Sync translations from Transifex and run lupdate

Currently, there is unnecessary CPU/network usage by the web UI when it's running in the background, this PR prevents it from refreshing in the background.

Closes #22565.
PR #22567.

.github/FUNDING.yml

@@ -1 +1 @@
-custom: "https://www.qbittorrent.org/donate.php"
+custom: "https://www.qbittorrent.org/donate"

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -7,19 +7,17 @@ body:
         #### ADVISORY
         "We do not support any versions older than the current release series"
 
-        "We do not support any 3rd party/forked versions e.g. `portableapps`/`Enhanced Edition`etc."
+        "We do not support any 3rd party/forked versions e.g. `portableapps`/`Enhanced Edition` etc."
 
         "Please post all details in **English**."
 
         #### Prerequisites before submitting an issue!
         - Read the issue reporting section in the **[contributing guidelines](https://github.com/qbittorrent/qBittorrent/blob/master/CONTRIBUTING.md)**, to know how to submit a good bug report with the required information.
         - Verify that the issue is not fixed and is reproducible in the **[latest official qBittorrent version](https://www.qbittorrent.org/download.php).**
-        - (Optional, but recommended) Verify that the issue is not fixed and is reproducible in the latest CI (currently only on **[Windows](https://github.com/qbittorrent/qBittorrent/actions/workflows/ci_windows.yaml?query=branch%3Amaster+event%3Apush)**) builds.
-        - Check the **[frequent/common issues list](https://github.com/qbittorrent/qBittorrent/projects/2)** and perform a **[search of the issue tracker (including closed ones)](https://github.com/qbittorrent/qBittorrent/issues)** to avoid posting a duplicate.
+        - (Optional, but recommended) Verify that the issue is not fixed and is reproducible in the latest CI (**[macOS](https://github.com/qbittorrent/qBittorrent/actions/workflows/ci_macos.yaml?query=branch%3Amaster+event%3Apush)** / **[Ubuntu](https://github.com/qbittorrent/qBittorrent/actions/workflows/ci_ubuntu.yaml?query=branch%3Amaster+event%3Apush)** / **[Windows](https://github.com/qbittorrent/qBittorrent/actions/workflows/ci_windows.yaml?query=branch%3Amaster+event%3Apush)**) builds.
+        - Perform a **[search of the issue tracker (including closed ones)](https://github.com/qbittorrent/qBittorrent/issues?q=is%3Aissue+is%3Aopen+-label%3A%22Feature+request%22)** to avoid posting a duplicate.
         - Make sure this is not a support request or question, both of which are better suited for either the **[discussions section](https://github.com/qbittorrent/qBittorrent/discussions)**, **[forum](https://qbforums.shiki.hu/)**, or **[subreddit](https://www.reddit.com/r/qBittorrent/)**.
         - Verify that the **[wiki](https://github.com/qbittorrent/qBittorrent/wiki)** did not contain a suitable solution either.
-        - If relevant to issue/when asked, the qBittorrent preferences file, qBittorrent.log & watched_folders.json (if using "Watched Folders" feature) must be provided.
-          See **[Where does qBittorrent save its settings?](https://github.com/qbittorrent/qBittorrent/wiki/Frequently-Asked-Questions#Where_does_qBittorrent_save_its_settings)**
 
   - type: textarea
     attributes:
@@ -28,10 +26,10 @@ body:
         Qt and libtorrent-rasterbar versions are required when: 1. You are using linux. 2. You are not using an official build downloaded from our website.
 
         Example of preferred formatting:
-        qBittorrent: 4.3.7 x64
-        Operating system: Windows 10 Pro 21H1/2009 x64
-        Qt: 5.15.2
-        libtorrent-rasterbar: 1.2.14
+        qBittorrent: 4.6.6 x64
+        Operating system: Windows 10 Pro x64 (22H2) 10.0.19045
+        Qt: 6.4.3
+        libtorrent-rasterbar: 1.2.19
       placeholder: |
         qBittorrent:
         Operating system:
@@ -73,4 +71,4 @@ body:
         See **[Where does qBittorrent save its settings?](https://github.com/qbittorrent/qBittorrent/wiki/Frequently-Asked-Questions#Where_does_qBittorrent_save_its_settings)**
         #### Note: It's the user's responsibility to redact any sensitive information
     validations:
-      required: false
+      required: true

.github/workflows/ci_file_health.yaml

@@ -12,11 +12,15 @@ jobs:
   ci:
     name: Check
     runs-on: ubuntu-latest
+    permissions:
+      security-events: write
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
-      - name: Install tools
+      - name: Setup python
         uses: actions/setup-python@v5
         with:
           python-version: "*"
@@ -32,7 +36,7 @@ jobs:
           curl \
             -L \
             -o "${{ runner.temp }}/pandoc.tar.gz" \
-            "https://github.com/jgm/pandoc/releases/download/3.1.7/pandoc-3.1.7-linux-amd64.tar.gz"
+            "https://github.com/jgm/pandoc/releases/download/3.6/pandoc-3.6-linux-amd64.tar.gz"
           tar -xf "${{ runner.temp }}/pandoc.tar.gz" -C "${{ github.workspace }}/.."
           mv "${{ github.workspace }}/.."/pandoc-* "${{ env.pandoc_path }}"
           # run pandoc
@@ -42,3 +46,26 @@ jobs:
           done
           # check diff, ignore "Automatically generated by ..." part
           git diff -I '\.\\".*' --exit-code
+
+      - name: Check GitHub Actions workflow
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          pip install zizmor
+          IGNORE_RULEID='(.ruleId != "template-injection")
+            and (.ruleId != "unpinned-uses")'
+          IGNORE_ID='(.id != "template-injection")
+            and (.id != "unpinned-uses")'
+          zizmor \
+            --format sarif \
+            --pedantic \
+            ./ \
+            | jq "(.runs[].results |= map(select($IGNORE_RULEID)))
+              | (.runs[].tool.driver.rules |= map(select($IGNORE_ID)))" \
+            > "${{ runner.temp }}/zizmor_results.sarif"
+
+      - name: Upload zizmor results
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          category: zizmor
+          sarif_file: "${{ runner.temp }}/zizmor_results.sarif"

.github/workflows/ci_macos.yaml

@@ -2,8 +2,7 @@ name: CI - macOS
 
 on: [pull_request, push]
 
-permissions:
-  actions: write
+permissions: {}
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@@ -13,13 +12,15 @@ jobs:
   ci:
     name: Build
     runs-on: macos-latest
+    permissions:
+      actions: write
 
     strategy:
       fail-fast: false
       matrix:
-        libt_version: ["2.0.10", "1.2.19"]
+        libt_version: ["2.0.11", "1.2.20"]
         qbt_gui: ["GUI=ON", "GUI=OFF"]
-        qt_version: ["6.7.0"]
+        qt_version: ["6.9.0"]
 
     env:
       boost_path: "${{ github.workspace }}/../boost"
@@ -28,6 +29,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Install dependencies
         uses: Wandalen/wretry.action@v3
@@ -49,15 +52,15 @@ jobs:
           store_cache: ${{ github.ref == 'refs/heads/master' }}
           update_packager_index: false
           ccache_options: |
-            max_size=2G
+            max_size=1G
 
       - name: Install boost
         env:
           BOOST_MAJOR_VERSION: "1"
-          BOOST_MINOR_VERSION: "85"
+          BOOST_MINOR_VERSION: "86"
           BOOST_PATCH_VERSION: "0"
         run: |
-          boost_url="https://boostorg.jfrog.io/artifactory/main/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
+          boost_url="https://archives.boost.io/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           boost_url2="https://sourceforge.net/projects/boost/files/boost/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           set +e
           curl -L -o "${{ runner.temp }}/boost.tar.gz" "$boost_url"
@@ -67,6 +70,9 @@ jobs:
             tar -xf "${{ runner.temp }}/boost.tar.gz" -C "${{ github.workspace }}/.."; _exitCode="$?"
           fi
           mv "${{ github.workspace }}/.."/boost_* "${{ env.boost_path }}"
+          cd "${{ env.boost_path }}"
+          ./bootstrap.sh
+          ./b2 stage --stagedir=./ --with-headers
 
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
@@ -90,23 +96,23 @@ jobs:
             -G "Ninja" \
             -DBUILD_SHARED_LIBS=OFF \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-            -DCMAKE_CXX_STANDARD=17 \
+            -DCMAKE_CXX_STANDARD=20 \
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-            -DBOOST_ROOT="${{ env.boost_path }}" \
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" \
             -Ddeprecated-functions=OFF
           cmake --build build
           sudo cmake --install build
 
       - name: Build qBittorrent
         run: |
-          CXXFLAGS="$CXXFLAGS -Werror -Wno-error=deprecated-declarations" \
+          CXXFLAGS="$CXXFLAGS -DQT_FORCE_ASSERTS -Werror -Wno-error=deprecated-declarations" \
           LDFLAGS="$LDFLAGS -gz" \
           cmake \
             -B build \
             -G "Ninja" \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-            -DBOOST_ROOT="${{ env.boost_path }}" \
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" \
             -DTESTING=ON \
             -DVERBOSE_CONFIGURE=ON \
             -D${{ matrix.qbt_gui }}

.github/workflows/ci_python.yaml

@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Setup python (auxiliary scripts)
         uses: actions/setup-python@v5
@@ -34,7 +36,7 @@ jobs:
       - name: Lint code (auxiliary scripts)
         run: |
           pyflakes $PY_FILES
-          bandit --skip B314,B405 $PY_FILES
+          bandit --skip B101,B314,B405 $PY_FILES
 
       - name: Format code (auxiliary scripts)
         run: |
@@ -50,7 +52,7 @@ jobs:
       - name: Setup python (search engine)
         uses: actions/setup-python@v5
         with:
-          python-version: '3.7'
+          python-version: '3.9'
 
       - name: Install tools (search engine)
         run: pip install bandit mypy pycodestyle pyflakes pyright
@@ -61,7 +63,7 @@ jobs:
           echo $PY_FILES
           echo "PY_FILES=$PY_FILES" >> "$GITHUB_ENV"
 
-      - name: Check typings  (search engine)
+      - name: Check typings (search engine)
         run: |
           MYPYPATH="src/searchengine/nova3" \
           mypy \

.github/workflows/ci_ubuntu.yaml

@@ -2,9 +2,7 @@ name: CI - Ubuntu
 
 on: [pull_request, push]
 
-permissions:
-  actions: write
-  security-events: write
+permissions: {}
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@@ -14,22 +12,27 @@ jobs:
   ci:
     name: Build
     runs-on: ubuntu-latest
+    permissions:
+      actions: write
+      security-events: write
 
     strategy:
       fail-fast: false
       matrix:
-        libt_version: ["2.0.10", "1.2.19"]
+        libt_version: ["2.0.11", "1.2.20"]
         qbt_gui: ["GUI=ON", "GUI=OFF"]
         qt_version: ["6.5.2"]
 
     env:
       boost_path: "${{ github.workspace }}/../boost"
-      harden_flags: "-D_FORTIFY_SOURCE=2 -D_GLIBCXX_ASSERTIONS"
+      harden_flags: "-D_FORTIFY_SOURCE=3 -D_GLIBCXX_ASSERTIONS"
       libtorrent_path: "${{ github.workspace }}/../libtorrent"
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Install dependencies
         run: |
@@ -44,15 +47,15 @@ jobs:
           store_cache: ${{ github.ref == 'refs/heads/master' }}
           update_packager_index: false
           ccache_options: |
-            max_size=2G
+            max_size=1G
 
       - name: Install boost
         env:
           BOOST_MAJOR_VERSION: "1"
-          BOOST_MINOR_VERSION: "76"
+          BOOST_MINOR_VERSION: "77"
           BOOST_PATCH_VERSION: "0"
         run: |
-          boost_url="https://boostorg.jfrog.io/artifactory/main/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
+          boost_url="https://archives.boost.io/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           boost_url2="https://sourceforge.net/projects/boost/files/boost/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           set +e
           curl -L -o "${{ runner.temp }}/boost.tar.gz" "$boost_url"
@@ -62,6 +65,9 @@ jobs:
             tar -xf "${{ runner.temp }}/boost.tar.gz" -C "${{ github.workspace }}/.."; _exitCode="$?"
           fi
           mv "${{ github.workspace }}/.."/boost_* "${{ env.boost_path }}"
+          cd "${{ env.boost_path }}"
+          ./bootstrap.sh
+          ./b2 stage --stagedir=./ --with-headers
 
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
@@ -85,8 +91,9 @@ jobs:
             -G "Ninja" \
             -DBUILD_SHARED_LIBS=OFF \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+            -DCMAKE_CXX_STANDARD=20 \
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-            -DBOOST_ROOT="${{ env.boost_path }}" \
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" \
             -Ddeprecated-functions=OFF
           cmake --build build
           sudo cmake --install build
@@ -101,14 +108,14 @@ jobs:
 
       - name: Build qBittorrent
         run: |
-          CXXFLAGS="$CXXFLAGS ${{ env.harden_flags }} -Werror" \
+          CXXFLAGS="$CXXFLAGS ${{ env.harden_flags }} -DQT_FORCE_ASSERTS -Werror" \
           LDFLAGS="$LDFLAGS -gz" \
           cmake \
             -B build \
             -G "Ninja" \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-            -DBOOST_ROOT="${{ env.boost_path }}" \
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" \
             -DCMAKE_INSTALL_PREFIX="/usr" \
             -DTESTING=ON \
             -DVERBOSE_CONFIGURE=ON \

.github/workflows/ci_webui.yaml

@@ -2,8 +2,7 @@ name: CI - WebUI
 
 on: [pull_request, push]
 
-permissions:
-  security-events: write
+permissions: {}
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@@ -13,6 +12,8 @@ jobs:
   ci:
     name: Check
     runs-on: ubuntu-latest
+    permissions:
+      security-events: write
 
     defaults:
       run:
@@ -21,6 +22,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Setup nodejs
         uses: actions/setup-node@v4
@@ -28,7 +31,15 @@ jobs:
           node-version: 'lts/*'
 
       - name: Install tools
-        run: npm install
+        run: |
+          npm install
+          npm ls
+          echo "::group::npm ls --all"
+          npm ls --all
+          echo "::endgroup::"
+
+      - name: Run tests
+        run: npm test
 
       - name: Lint code
         run: npm run lint

.github/workflows/ci_windows.yaml

@@ -2,8 +2,7 @@ name: CI - Windows
 
 on: [pull_request, push]
 
-permissions:
-  actions: write
+permissions: {}
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@@ -13,11 +12,13 @@ jobs:
   ci:
     name: Build
     runs-on: windows-latest
+    permissions:
+      actions: write
 
     strategy:
       fail-fast: false
       matrix:
-        libt_version: ["2.0.10", "1.2.19"]
+        libt_version: ["2.0.11", "1.2.20"]
 
     env:
       boost_path: "${{ github.workspace }}/../boost"
@@ -27,6 +28,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Setup devcmd
         uses: ilammy/msvc-dev-cmd@v1
@@ -64,6 +67,7 @@ jobs:
               "set(VCPKG_BUILD_TYPE release)")
           # clear buildtrees after each package installation to reduce disk space requirements
           $packages = `
+            "boost-build:x64-windows-static-md-release",
             "openssl:x64-windows-static-md-release",
             "zlib:x64-windows-static-md-release"
           ${{ env.vcpkg_path }}/vcpkg.exe upgrade `
@@ -78,10 +82,10 @@ jobs:
       - name: Install boost
         env:
           BOOST_MAJOR_VERSION: "1"
-          BOOST_MINOR_VERSION: "85"
+          BOOST_MINOR_VERSION: "86"
           BOOST_PATCH_VERSION: "0"
         run: |
-          $boost_url="https://boostorg.jfrog.io/artifactory/main/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
+          $boost_url="https://archives.boost.io/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           $boost_url2="https://sourceforge.net/projects/boost/files/boost/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           curl -L -o "${{ runner.temp }}/boost.tar.gz" "$boost_url"
           tar -xf "${{ runner.temp }}/boost.tar.gz" -C "${{ github.workspace }}/.."
@@ -91,11 +95,19 @@ jobs:
             tar -xf "${{ runner.temp }}/boost.tar.gz" -C "${{ github.workspace }}/.."
           }
           move "${{ github.workspace }}/../boost_*" "${{ env.boost_path }}"
+          cd "${{ env.boost_path }}"
+          #.\bootstrap.bat
+          ${{ env.vcpkg_path }}/installed/x64-windows-static-md-release/tools/boost-build/b2.exe `
+            stage `
+            toolset=msvc `
+            --stagedir=.\ `
+            --with-headers
 
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
         with:
-          version: "6.7.3"
+          version: "6.9.0"
+          arch: win64_msvc2022_64
           archives: qtbase qtsvg qttools
           cache: true
 
@@ -114,10 +126,11 @@ jobs:
             -B build `
             -G "Ninja" `
             -DCMAKE_BUILD_TYPE=RelWithDebInfo `
+            -DCMAKE_CXX_STANDARD=20 `
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON `
             -DCMAKE_INSTALL_PREFIX="${{ env.libtorrent_path }}/install" `
             -DCMAKE_TOOLCHAIN_FILE="${{ env.vcpkg_path }}/scripts/buildsystems/vcpkg.cmake" `
-            -DBOOST_ROOT="${{ env.boost_path }}" `
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" `
             -DBUILD_SHARED_LIBS=OFF `
             -Ddeprecated-functions=OFF `
             -Dstatic_runtime=OFF `
@@ -127,14 +140,14 @@ jobs:
 
       - name: Build qBittorrent
         run: |
-          $env:CXXFLAGS+=" /WX"
+          $env:CXXFLAGS+="/DQT_FORCE_ASSERTS /WX"
           cmake `
             -B build `
             -G "Ninja" `
             -DCMAKE_BUILD_TYPE=RelWithDebInfo `
             -DCMAKE_EXPORT_COMPILE_COMMANDS=ON `
             -DCMAKE_TOOLCHAIN_FILE="${{ env.vcpkg_path }}/scripts/buildsystems/vcpkg.cmake" `
-            -DBOOST_ROOT="${{ env.boost_path }}" `
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" `
             -DLibtorrentRasterbar_DIR="${{ env.libtorrent_path }}/install/lib/cmake/LibtorrentRasterbar" `
             -DMSVC_RUNTIME_DYNAMIC=ON `
             -DTESTING=ON `

.github/workflows/coverity-scan.yaml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        libt_version: ["2.0.10"]
+        libt_version: ["2.0.11"]
         qbt_gui: ["GUI=ON"]
         qt_version: ["6.5.2"]
 
@@ -26,6 +26,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Install dependencies
         run: |
@@ -37,10 +39,10 @@ jobs:
       - name: Install boost
         env:
           BOOST_MAJOR_VERSION: "1"
-          BOOST_MINOR_VERSION: "85"
+          BOOST_MINOR_VERSION: "86"
           BOOST_PATCH_VERSION: "0"
         run: |
-          boost_url="https://boostorg.jfrog.io/artifactory/main/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
+          boost_url="https://archives.boost.io/release/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/source/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           boost_url2="https://sourceforge.net/projects/boost/files/boost/${{ env.BOOST_MAJOR_VERSION }}.${{ env.BOOST_MINOR_VERSION }}.${{ env.BOOST_PATCH_VERSION }}/boost_${{ env.BOOST_MAJOR_VERSION }}_${{ env.BOOST_MINOR_VERSION }}_${{ env.BOOST_PATCH_VERSION }}.tar.gz"
           set +e
           curl -L -o "${{ runner.temp }}/boost.tar.gz" "$boost_url"
@@ -50,6 +52,9 @@ jobs:
             tar -xf "${{ runner.temp }}/boost.tar.gz" -C "${{ github.workspace }}/.."; _exitCode="$?"
           fi
           mv "${{ github.workspace }}/.."/boost_* "${{ env.boost_path }}"
+          cd "${{ env.boost_path }}"
+          ./bootstrap.sh
+          ./b2 stage --stagedir=./ --with-headers
 
       - name: Install Qt
         uses: jurplel/install-qt-action@v4
@@ -71,7 +76,8 @@ jobs:
             -B build \
             -G "Ninja" \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-            -DBOOST_ROOT="${{ env.boost_path }}" \
+            -DCMAKE_CXX_STANDARD=20 \
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" \
             -Ddeprecated-functions=OFF
           cmake --build build
           sudo cmake --install build
@@ -95,7 +101,7 @@ jobs:
             -B build \
             -G "Ninja" \
             -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-            -DBOOST_ROOT="${{ env.boost_path }}" \
+            -DBOOST_ROOT="${{ env.boost_path }}/lib/cmake" \
             -DVERBOSE_CONFIGURE=ON \
             -D${{ matrix.qbt_gui }}
           PATH="${{ env.coverity_path }}/bin:$PATH" \

.github/workflows/helper/pre-commit/.typos.toml

@@ -16,3 +16,5 @@ ths = "ths"
 [default.extend-words]
 BA = "BA"
 helo = "helo"
+Pn = "Pn"
+UIU = "UIU"

.github/workflows/helper/pre-commit/check_grid_items_order.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+
+# A pre-commit hook for checking items order in grid layouts
+# Copyright (C) 2024  Mike Tzou (Chocobo1)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# In addition, as a special exception, the copyright holders give permission to
+# link this program with the OpenSSL project's "OpenSSL" library (or with
+# modified versions of it that use the same license as the "OpenSSL" library),
+# and distribute the linked executables. You must obey the GNU General Public
+# License in all respects for all of the code used other than "OpenSSL".  If you
+# modify file(s), you may extend this exception to your version of the file(s),
+# but you are not obligated to do so. If you do not wish to do so, delete this
+# exception statement from your version.
+
+from collections.abc import Callable, Sequence
+from typing import Optional
+import argparse
+import re
+import xml.etree.ElementTree as ElementTree
+import sys
+
+
+def traversePostOrder(root: ElementTree.Element, visitFunc: Callable[[ElementTree.Element], None]) -> None:
+    stack = [(root, False)]
+
+    while len(stack) > 0:
+        (element, visit) = stack.pop()
+        if visit:
+            visitFunc(element)
+        else:
+            stack.append((element, True))
+            stack.extend((child, False) for child in reversed(element))
+
+
+def modifyElement(element: ElementTree.Element) -> None:
+    def getSortKey(e: ElementTree.Element) -> tuple[int, int]:
+        if e.tag == 'item':
+            return (int(e.attrib['row']), int(e.attrib['column']))
+        return (-1, -1)  # don't care
+
+    if element.tag == 'layout' and element.attrib['class'] == 'QGridLayout' and len(element) > 0:
+        element[:] = sorted(element, key=getSortKey)
+
+    # workaround_2a: ElementTree will unescape `"` and we need to escape it back
+    if element.tag == 'string' and element.text is not None:
+        element.text = element.text.replace('"', '"')
+
+
+def main(argv: Optional[Sequence[str]] = None) -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument('filenames', nargs='*', help='Filenames to check')
+    args = parser.parse_args(argv)
+
+    for filename in args.filenames:
+        with open(filename, 'r+') as f:
+            orig = f.read()
+            root = ElementTree.fromstring(orig)
+            traversePostOrder(root, modifyElement)
+            ElementTree.indent(root, ' ')
+
+            # workaround_1: cannot use `xml_declaration=True` since it uses single quotes instead of Qt preferred double quotes
+            ret = f'<?xml version="1.0" encoding="UTF-8"?>\n{ElementTree.tostring(root, 'unicode')}\n'
+
+            # workaround_2b: ElementTree will turn `&quot;` into `&amp;quot;`, so revert it back
+            ret = ret.replace('&amp;quot;', '&quot;')
+
+            # workaround_3: Qt prefers no whitespaces in self-closing tags
+            ret = re.sub('<(.+) +/>', r'<\1/>', ret)
+
+            if ret != orig:
+                print(f'Tip: run this script to apply the fix: `python {__file__} {filename}`', file=sys.stderr)
+
+                f.seek(0)
+                f.write(ret)
+                f.truncate()
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())

.github/workflows/helper/pre-commit/check_translation_tag.py

@@ -26,9 +26,11 @@
 # but you are not obligated to do so. If you do not wish to do so, delete this
 # exception statement from your version.
 
-from typing import Optional, Sequence
+from collections.abc import Sequence
+from typing import Optional
 import argparse
 import re
+import sys
 
 
 def main(argv: Optional[Sequence[str]] = None) -> int:
@@ -67,4 +69,4 @@ def main(argv: Optional[Sequence[str]] = None) -> int:
 
 
 if __name__ == '__main__':
-    exit(main())
+    sys.exit(main())

.github/workflows/stale_bot.yaml

@@ -4,12 +4,13 @@ on:
   schedule:
     - cron: '0 0 * * *'
 
-permissions:
-  pull-requests: write
+permissions: {}
 
 jobs:
   stale:
     runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
     steps:
       - name: Mark and close stale PRs
         uses: actions/stale@v9

.gitignore

@@ -41,7 +41,3 @@ src/icons/skin/build-icons/icons/*.png
 
 # CMake build directory
 build/
-
-# Web UI tools
-node_modules
-package-lock.json

.pre-commit-config.yaml

@@ -1,6 +1,12 @@
 repos:
   - repo: local
     hooks:
+      - id: check-grid-order
+        name: Check items order in grid layouts
+        entry: .github/workflows/helper/pre-commit/check_grid_items_order.py
+        language: script
+        files: \.ui$
+
       - id: check-translation-tag
         name: Check newline characters in <translation> tag
         entry: .github/workflows/helper/pre-commit/check_translation_tag.py
@@ -13,7 +19,7 @@ repos:
           - ts
 
   - repo: https://github.com/pre-commit/pre-commit-hooks.git
-    rev: v4.5.0
+    rev: v5.0.0
     hooks:
     - id: check-json
       name: Check JSON files
@@ -63,19 +69,17 @@ repos:
         - ts
 
   - repo: https://github.com/codespell-project/codespell.git
-    rev: v2.2.6
+    rev: v2.4.0
     hooks:
     - id: codespell
       name: Check spelling (codespell)
-      args: ["--ignore-words-list", "additionals,curren,fo,ist,ket,searchin,superseeding,te,ths"]
+      args: ["--ignore-words-list", "additionals,categor,curren,fo,indexIn,ist,ket,notin,searchin,sectionin,superseeding,te,ths"]
       exclude: |
         (?x)^(
           .*\.desktop |
           .*\.qrc |
-          build-aux/.* |
           Changelog |
           dist/windows/installer-translations/.* |
-          m4/.* |
           src/base/3rdparty/.* |
           src/searchengine/nova3/socks.py |
           src/webui/www/private/scripts/lib/.*
@@ -84,7 +88,7 @@ repos:
         - ts
 
   - repo: https://github.com/crate-ci/typos.git
-    rev: v1.16.18
+    rev: v1.29.4
     hooks:
     - id: typos
       name: Check spelling (typos)
@@ -95,11 +99,8 @@ repos:
           .*\.desktop |
           .*\.qrc |
           \.pre-commit-config\.yaml |
-          build-aux/.* |
           Changelog |
-          configure.* |
           dist/windows/installer-translations/.* |
-          m4/.* |
           src/base/3rdparty/.* |
           src/searchengine/nova3/socks.py |
           src/webui/www/private/scripts/lib/.*

.tx/config

@@ -1,7 +1,7 @@
 [main]
 host = https://www.transifex.com
 
-[o:sledgehammer999:p:qbittorrent:r:qbittorrent_v50x]
+[o:sledgehammer999:p:qbittorrent:r:qbittorrent_master]
 file_filter  = src/lang/qbittorrent_<lang>.ts
 source_file  = src/lang/qbittorrent_en.ts
 source_lang  = en
@@ -9,7 +9,7 @@ type         = QT
 minimum_perc = 23
 lang_map     = pt: pt_PT, zh: zh_CN
 
-[o:sledgehammer999:p:qbittorrent:r:qbittorrent_webui_v50x]
+[o:sledgehammer999:p:qbittorrent:r:qbittorrent_webui]
 file_filter  = src/webui/www/translations/webui_<lang>.ts
 source_file  = src/webui/www/translations/webui_en.ts
 source_lang  = en

COPYING.GPLv2

@@ -2,7 +2,7 @@
                        Version 2, June 1991
 
  Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ <https://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
@@ -304,8 +304,7 @@ the "copyright" line and a pointer to where the full notice is found.
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License along
-    with this program; if not, write to the Free Software Foundation, Inc.,
-    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+    with this program; if not, see <https://www.gnu.org/licenses/>.
 
 Also add information on how to contact you by electronic and paper mail.
 
@@ -329,8 +328,8 @@ necessary.  Here is a sample; alter the names:
   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
   `Gnomovision' (which makes passes at compilers) written by James Hacker.
 
-  <signature of Ty Coon>, 1 April 1989
-  Ty Coon, President of Vice
+  <signature of Moe Ghoul>, 1 April 1989
+  Moe Ghoul, President of Vice
 
 This General Public License does not permit incorporating your program into
 proprietary programs.  If your program is a subroutine library, you may

Changelog

@@ -1,39 +1,4 @@
-Tue Feb 18th 2025 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v5.0.4
-    - BUGFIX: Fix cannot remove trackers via WebAPI (Chocobo1)
-    - BUGFIX: Fix torrent content checkbox state under certain conditions (thalieht)
-    - BUGFIX: Hide zero and infinity values in peer list only when that setting is set to `Always` (thalieht)
-    - BUGFIX: Remove stopped torrent from "error" tracker filter (glassez)
-    - WEBUI: Fix memory leak in context menus (skomerko)
-    - WEBAPI: Don't trim string parameters (glassez)
-    - WINDOWS: Handle Qt style options uniformly (glassez)
-    - WINDOWS: NSIS: Update Portuguese translation (Hugo Carvalho)
-    - MACOS: Avoid memory leak (Chocobo1)
-
-Mon Dec 16th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v5.0.3
-    - BUGFIX: Discard obsolete "state update" events after torrent is reloaded (glassez)
-    - BUGFIX: Fix incorrect SQL column definition (glassez)
-    - BUGFIX: Avoid redundant requests of announce entries from libtorrent (glassez)
-    - WEBUI: Fix removing tracker URL with '|' character (Thomas Piccirello)
-    - WEBUI: Fix reloading page after login (Evgenii Ryshkov)
-    - WEBAPI: Fix incorrect key in torrent creator (Bartu Özen)
-    - RSS: Don't add duplicate episodes to previously matched (wavygecko)
-    - RSS: Use cached current time when parsing RSS feed (glassez)
-    - WINDOWS: Don't follow symlink when creating torrents on Windows (Chocobo1)
-    - WINDOWS: NSIS: Update Italian translation (Giacomo411)
-
-Sun Nov 17th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v5.0.2
-    - BUGFIX: Remove trackers from previous category when moved to new one (glassez)
-    - BUGFIX: Fix `.torrent` file could not be deleted when torrent is canceled (glassez)
-    - BUGFIX: Reset tracker entries when pausing the session (glassez)
-    - BUGFIX: Check real palette darkness to detect "dark theme" (glassez)
-    - BUGFIX: Correctly handle "torrent finished" events (glassez)
-    - BUGFIX: Preserve initial torrent progress while checking resume data (glassez)
-    - BUGFIX: Avoid reapplying Mark-of-the-Web when it already exists (Chocobo1)
-    - BUGFIX: Don't apply Mark-of-the-Web on existing files (Chocobo1)
-    - WEBUI: Add color scheme switcher (sledgehammer999)
-    - SEARCH: Correctly delete the moved search tab (glassez)
-    - WINDOWS: Correctly save and restore Qt style setting (glassez)
-    - WINDOWS: NSIS: update Luxembourgish, Simplified Chinese and Traditional Chinese translations (Ikko Eltociear Ashimine, 3gf8jv4dv)
+Unreleased - sledgehammer999 <sledgehammer999@qbittorrent.org> - v5.1.0
 
 Mon Oct 28th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v5.0.1
     - FEATURE: Add "Simple pread/pwrite" disk IO type (Hanabishi)
@@ -141,6 +106,42 @@ Sun Sep 29th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v5.0.0
     - OTHER: Minimum supported versions: Qt: 6.5, Boost: 1.76, OpenSSL: 3.0.2
     - OTHER: Switch to C++20
 
+Mon Sep 16th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.6.7
+    - BUGFIX: The updater will launch the link to the build variant you're currently using (sledgehammer999)
+    - BUGFIX: Focus on Download button if torrent link retrieved from the clipboard (glassez)
+    - WEBUI: RSS: The list of feeds wouldn't load for Apply Rule (glassez)
+
+Sun Aug 18th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.6.6
+    - BUGFIX: Fix handling of tags containing '&' character (glassez)
+    - BUGFIX: Show scroll bar in Torrent Tags dialog (glassez)
+    - BUGFIX: Apply bulk changes to correct content widget items (glassez)
+    - BUGFIX: Hide zero status filters when torrents are removed (glassez)
+    - BUGFIX: Fix `Incomplete Save Path` cannot be changed for torrents without metadata (glassez)
+    - WEBUI: Correctly apply changed "save path" of RSS rules (glassez)
+    - WEBUI: Clear tracker list on full update (skomerko)
+    - OTHER: Update User-Agent string for internal downloader and search engines (cayenne17)
+
+Sun May 26th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.6.5
+    - BUGFIX: Prevent app from being closed when disabling system tray icon (glassez)
+    - BUGFIX: Fix <kbd>Enter</kbd> key behavior in Add new torrent dialog (glassez)
+    - BUGFIX: Prevent invalid status filter index from being used (glassez)
+    - BUGFIX: Add extra offset for dialog frame (glassez)
+    - BUGFIX: Don't overwrite stored layout of main window with incorrect one (glassez)
+    - BUGFIX: Don't forget to resume "missing files" torrent when rechecking (glassez)
+    - WEBUI: Restore ability to use server-side translation by custom WebUI (glassez)
+    - WEBUI: Fix wrong peer number (Chocobo1)
+    - LINUX: Improve AppStream metadata (Chocobo1)
+
+Sun Mar 24th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.6.4
+    - BUGFIX: Correctly adjust "Add New torrent" dialog position in all the cases (glassez)
+    - BUGFIX: Change "metadata received" stop condition behavior (glassez)
+    - BUGFIX: Add a small delay before processing the key input of search boxes (Chocobo1)
+    - BUGFIX: Ensure the profile path is pointing to a directory (Chocobo1)
+    - RSS: Use better icons for RSS articles (glassez)
+    - WINDOWS: NSIS: Update French, Hungarian translations (MarcDrieu, foxi69)
+    - LINUX: Fix sorting when ICU isn't used (Chocobo1)
+    - LINUX: Fix invisible tray icon on Plasma 6 (tehcneko)
+
 Mon Jan 15th 2024 - sledgehammer999 <sledgehammer999@qbittorrent.org> - v4.6.3
     - BUGFIX: Correctly update number of filtered items (glassez)
     - BUGFIX: Don't forget to store Stop condition value (glassez)

INSTALL

@@ -18,7 +18,7 @@ qBittorrent - A BitTorrent client in C++ / Qt
   - CMake >= 3.16
       * Compile-time only
 
-  - Python >= 3.7.0
+  - Python >= 3.9.0
       * Optional, run-time only
       * Used by the bundled search engine
 

SECURITY.md

@@ -0,0 +1,18 @@
+# Security Policy
+
+qBittorrent takes the security of our software seriously, including all source code repositories managed through our GitHub organisation.
+If you believe you have found a security vulnerability in qBittorrent, please report it to us as described below.
+
+## Reporting Security Issues
+
+Please do not report security vulnerabilities through public GitHub issues. Instead, please use GitHubs private vulnerability reporting functionality associated to this repository. Additionally, you may email us with all security-related inquiries and notifications at `security@qbittorrent.org`.
+
+Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue:
+1. Type of issue
+2. Step-by-step instructions to reproduce the issue
+3. Proof-of-concept or exploit code (if possible)
+4. Potential impact of the issue, including how an attacker might exploit the issue
+
+This information will help us triage your report more quickly. Any and all CVEs will be requested and issued through GitHubs private vulnerability reporting functionality, which will be published alongside the disclosure.
+
+This security policy only applies to the most recent stable branch of qBittorrent. Flaws in old versions that are not present in the current stable branch will not be fixed.

WebAPI_Changelog.md

@@ -0,0 +1,5 @@
+# 2.11.6
+* https://github.com/qbittorrent/qBittorrent/pull/22460
+  * `app/setPreferences` allows only one of `max_ratio_enabled`, `max_ratio` to be present
+  * `app/setPreferences` allows only one of `max_seeding_time_enabled`, `max_seeding_time` to be present
+  * `app/setPreferences` allows only one of `max_inactive_seeding_time_enabled`, `max_inactive_seeding_time` to be present

dist/mac/Info.plist

@@ -55,7 +55,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.0.4</string>
+	<string>5.2.0</string>
 	<key>CFBundleExecutable</key>
 	<string>${EXECUTABLE_NAME}</string>
 	<key>CFBundleIdentifier</key>

dist/unix/org.qbittorrent.qBittorrent.desktop

@@ -105,7 +105,7 @@ GenericName[ka]=BitTorrent კლიენტი
 Comment[ka]=გადმოტვირთეთ და გააზიარეთ ფაილები BitTorrent-ის საშუალებით
 Name[ka]=qBittorrent
 GenericName[ko]=BitTorrent 클라이언트
-Comment[ko]=BitTorrent를 통한 파일 다운로드 및 공유
+Comment[ko]=BitTorrent를 통해 파일 다운로드 및 공유
 Name[ko]=qBittorrent
 GenericName[lt]=BitTorrent klientas
 Comment[lt]=Atsisiųskite bei dalinkitės failais BitTorrent tinkle

dist/unix/org.qbittorrent.qBittorrent.metainfo.xml

@@ -62,6 +62,6 @@
   <url type="contribute">https://github.com/qbittorrent/qBittorrent/blob/master/CONTRIBUTING.md</url>
   <content_rating type="oars-1.1"/>
   <releases>
-    <release version="5.0.4" date="2025-02-18"/>
+    <release version="5.2.0~alpha1" date="2025-02-11"/>
   </releases>
 </component>

dist/windows/config.nsh

@@ -14,7 +14,7 @@
 ; 4.5.1.3 -> good
 ; 4.5.1.3.2 -> bad
 ; 4.5.0beta -> bad
-!define /ifndef QBT_VERSION "5.0.4"
+!define /ifndef QBT_VERSION "5.2.0"
 
 ; Option that controls the installer's window name
 ; If set, its value will be used like this:

dist/windows/installer-translations/swedish.nsh

@@ -7,21 +7,21 @@ LangString inst_desktop ${LANG_SWEDISH} "Skapa skrivbordsgenväg"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
 LangString inst_startmenu ${LANG_SWEDISH} "Skapa startmenygenväg"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
-LangString inst_startup ${LANG_SWEDISH} "Starta qBittorrent vid Windows start"
+LangString inst_startup ${LANG_SWEDISH} "Starta qBittorrent vid Windows-uppstart"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
 LangString inst_torrent ${LANG_SWEDISH} "Öppna .torrent-filer med qBittorrent"
 ;LangString inst_magnet ${LANG_ENGLISH} "Open magnet links with qBittorrent"
 LangString inst_magnet ${LANG_SWEDISH} "Öppna magnetlänkar med qBittorrent"
 ;LangString inst_firewall ${LANG_ENGLISH} "Add Windows Firewall rule"
-LangString inst_firewall ${LANG_SWEDISH} "Lägg till Windows-brandväggregel"
+LangString inst_firewall ${LANG_SWEDISH} "Lägg till Windows-brandväggsregel"
 ;LangString inst_pathlimit ${LANG_ENGLISH} "Disable Windows path length limit (260 character MAX_PATH limitation, requires Windows 10 1607 or later)"
 LangString inst_pathlimit ${LANG_SWEDISH} "Inaktivera gränsen för Windows-sökvägslängd (260 tecken MAX_PATH-begränsning, kräver Windows 10 1607 eller senare)"
 ;LangString inst_firewallinfo ${LANG_ENGLISH} "Adding Windows Firewall rule"
-LangString inst_firewallinfo ${LANG_SWEDISH} "Lägger till Windows-brandväggregel"
+LangString inst_firewallinfo ${LANG_SWEDISH} "Lägger till Windows-brandväggsregel"
 ;LangString inst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before installing."
-LangString inst_warning ${LANG_SWEDISH} "qBittorrent körs. Vänligen stäng programmet innan du installerar."
+LangString inst_warning ${LANG_SWEDISH} "qBittorrent körs. Stäng programmet innan du installerar."
 ;LangString inst_uninstall_question ${LANG_ENGLISH} "Current version will be uninstalled. User settings and torrents will remain intact."
-LangString inst_uninstall_question ${LANG_SWEDISH} "Nuvarande version avinstalleras. Användarinställningar och torrenter kommer att förbli intakta."
+LangString inst_uninstall_question ${LANG_SWEDISH} "Aktuell version avinstalleras. Användarinställningar och torrenter kommer att förbli intakta."
 ;LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
 LangString inst_unist ${LANG_SWEDISH} "Avinstallerar tidigare version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
@@ -53,7 +53,7 @@ LangString remove_firewallinfo ${LANG_SWEDISH} "Tar bort Windows-brandväggsrege
 ;LangString remove_cache ${LANG_ENGLISH} "Remove torrents and cached data"
 LangString remove_cache ${LANG_SWEDISH} "Ta bort torrenter och cachade data"
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
-LangString uninst_warning ${LANG_SWEDISH} "qBittorrent körs. Vänligen stäng programmet innan du avinstallerar."
+LangString uninst_warning ${LANG_SWEDISH} "qBittorrent körs. Stäng programmet innan du avinstallerar."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"
 LangString uninst_tor_warn ${LANG_SWEDISH} "Tar inte bort .torrent-association. Den är associerad med:"
 ;LangString uninst_mag_warn ${LANG_ENGLISH} "Not removing magnet association. It is associated with:"

doc/en/qbittorrent-nox.1

@@ -1,41 +1,44 @@
-.\" Automatically generated by Pandoc 3.1.7
+.\" Automatically generated by Pandoc 3.4
 .\"
-.TH "QBITTORRENT-NOX" "1" "January 16th 2010" "Command line Bittorrent client written in C++ / Qt" ""
+.TH "QBITTORRENT\-NOX" "1" "January 16th 2010" "Command line Bittorrent client written in C++ / Qt"
 .SH NAME
-qBittorrent-nox - a command line Bittorrent client written in C++ / Qt
+qBittorrent\-nox \- a command line Bittorrent client written in C++ / Qt
 .SH SYNOPSIS
-\f[B]qbittorrent-nox\f[R]
-\f[CR][--d|--daemon] [--webui-port=x] [TORRENT_FILE | URL]...\f[R]
+\f[B]qbittorrent\-nox\f[R]
+\f[CR][\-\-d|\-\-daemon] [\-\-webui\-port=x] [TORRENT_FILE | URL]...\f[R]
 .PP
-\f[B]qbittorrent-nox\f[R] \f[CR]--help\f[R]
+\f[B]qbittorrent\-nox\f[R] \f[CR]\-\-help\f[R]
 .PP
-\f[B]qbittorrent-nox\f[R] \f[CR]--version\f[R]
+\f[B]qbittorrent\-nox\f[R] \f[CR]\-\-version\f[R]
 .SH DESCRIPTION
-\f[B]qBittorrent-nox\f[R] is an advanced command-line Bittorrent client
-written in C++ / Qt using the \f[B]libtorrent-rasterbar\f[R] library by
-Arvid Norberg.
-qBittorrent-nox aims to be a good alternative to other command line
+\f[B]qBittorrent\-nox\f[R] is an advanced command\-line Bittorrent
+client written in C++ / Qt using the \f[B]libtorrent\-rasterbar\f[R]
+library by Arvid Norberg.
+qBittorrent\-nox aims to be a good alternative to other command line
 bittorrent clients and provides features similar to popular graphical
 clients.
 .PP
-qBittorrent-nox is fast, stable, light and it supports unicode.
-It also comes with UPnP port forwarding / NAT-PMP, encryption (Vuze
+qBittorrent\-nox is fast, stable, light and it supports unicode.
+It also comes with UPnP port forwarding / NAT\-PMP, encryption (Vuze
 compatible), FAST extension (mainline) and PeX support (utorrent
 compatible).
 .PP
-qBittorrent-nox is meant to be controlled via its feature-rich Web UI
+qBittorrent\-nox is meant to be controlled via its feature\-rich Web UI
 which is accessible as a default on http://localhost:8080.
 The Web UI access is secured and the default account user name is
 \[lq]admin\[rq] with \[lq]adminadmin\[rq] as a password.
 .SH OPTIONS
-\f[B]\f[CB]--help\f[B]\f[R] Prints the command line options.
+\f[B]\f[CB]\-\-help\f[B]\f[R] Prints the command line options.
 .PP
-\f[B]\f[CB]--version\f[B]\f[R] Prints qbittorrent program version
+\f[B]\f[CB]\-\-version\f[B]\f[R] Prints qbittorrent program version
 number.
 .PP
-\f[B]\f[CB]--webui-port=x\f[B]\f[R] Changes Web UI port to x (default:
-8080).
+\f[B]\f[CB]\-\-webui\-port=x\f[B]\f[R] Changes Web UI port to x
+(default: 8080).
 .SH BUGS
 If you find a bug, please report it at https://bugs.qbittorrent.org
 .SH AUTHORS
-Christophe Dumez <chris@qbittorrent.org>.
+Christophe Dumez \c
+.MT chris@qbittorrent.org
+.ME \c
+\&.

doc/en/qbittorrent.1

@@ -1,35 +1,38 @@
-.\" Automatically generated by Pandoc 3.1.7
+.\" Automatically generated by Pandoc 3.4
 .\"
-.TH "QBITTORRENT" "1" "January 16th 2010" "Bittorrent client written in C++ / Qt" ""
+.TH "QBITTORRENT" "1" "January 16th 2010" "Bittorrent client written in C++ / Qt"
 .SH NAME
-qBittorrent - a Bittorrent client written in C++ / Qt
+qBittorrent \- a Bittorrent client written in C++ / Qt
 .SH SYNOPSIS
 \f[B]qbittorrent\f[R]
-\f[CR][--no-splash] [--webui-port=x] [TORRENT_FILE | URL]...\f[R]
+\f[CR][\-\-no\-splash] [\-\-webui\-port=x] [TORRENT_FILE | URL]...\f[R]
 .PP
-\f[B]qbittorrent\f[R] \f[CR]--help\f[R]
+\f[B]qbittorrent\f[R] \f[CR]\-\-help\f[R]
 .PP
-\f[B]qbittorrent\f[R] \f[CR]--version\f[R]
+\f[B]qbittorrent\f[R] \f[CR]\-\-version\f[R]
 .SH DESCRIPTION
 \f[B]qBittorrent\f[R] is an advanced Bittorrent client written in C++ /
-Qt, using the \f[B]libtorrent-rasterbar\f[R] library by Arvid Norberg.
+Qt, using the \f[B]libtorrent\-rasterbar\f[R] library by Arvid Norberg.
 qBittorrent is similar to uTorrent.
 qBittorrent is fast, stable, light, it supports unicode and it provides
 a good integrated search engine.
-It also comes with UPnP port forwarding / NAT-PMP, encryption (Vuze
+It also comes with UPnP port forwarding / NAT\-PMP, encryption (Vuze
 compatible), FAST extension (mainline) and PeX support (utorrent
 compatible).
 .SH OPTIONS
-\f[B]\f[CB]--help\f[B]\f[R] Prints the command line options.
+\f[B]\f[CB]\-\-help\f[B]\f[R] Prints the command line options.
 .PP
-\f[B]\f[CB]--version\f[B]\f[R] Prints qbittorrent program version
+\f[B]\f[CB]\-\-version\f[B]\f[R] Prints qbittorrent program version
 number.
 .PP
-\f[B]\f[CB]--no-splash\f[B]\f[R] Disables splash screen on startup.
+\f[B]\f[CB]\-\-no\-splash\f[B]\f[R] Disables splash screen on startup.
 .PP
-\f[B]\f[CB]--webui-port=x\f[B]\f[R] Changes Web UI port to x (default:
-8080).
+\f[B]\f[CB]\-\-webui\-port=x\f[B]\f[R] Changes Web UI port to x
+(default: 8080).
 .SH BUGS
 If you find a bug, please report it at https://bugs.qbittorrent.org
 .SH AUTHORS
-Christophe Dumez <chris@qbittorrent.org>.
+Christophe Dumez \c
+.MT chris@qbittorrent.org
+.ME \c
+\&.

doc/ru/qbittorrent-nox.1

@@ -1,7 +1,10 @@
-.\" Automatically generated by Pandoc 3.1.7
+.\" Automatically generated by Pandoc 3.4
 .\"
-.TH "QBITTORRENT-NOX" "1" "16 января 2010" "Клиент сети БитТоррент для командной строки" ""
+.TH "QBITTORRENT\-NOX" "1" "16 января 2010" "Клиент сети БитТоррент для командной строки"
 .SH НАЗВАНИЕ
-qBittorrent-nox \[em] клиент сети БитТоррент для командной строки.
+qBittorrent\-nox \[em] клиент сети БитТоррент для командной строки.
 .SH АВТОРЫ
-Christophe Dumez <chris@qbittorrent.org>.
+Christophe Dumez \c
+.MT chris@qbittorrent.org
+.ME \c
+\&.

doc/ru/qbittorrent.1

@@ -1,7 +1,10 @@
-.\" Automatically generated by Pandoc 3.1.7
+.\" Automatically generated by Pandoc 3.4
 .\"
-.TH "QBITTORRENT" "1" "16 января 2010" "Клиент сети БитТоррент" ""
+.TH "QBITTORRENT" "1" "16 января 2010" "Клиент сети БитТоррент"
 .SH НАЗВАНИЕ
 qBittorrent \[em] клиент сети БитТоррент.
 .SH АВТОРЫ
-Christophe Dumez <chris@qbittorrent.org>.
+Christophe Dumez \c
+.MT chris@qbittorrent.org
+.ME \c
+\&.

src/app/application.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez
  *
  * This program is free software; you can redistribute it and/or
@@ -124,6 +124,28 @@ namespace
     const int PIXMAP_CACHE_SIZE = 64 * 1024 * 1024;  // 64MiB
 #endif
 
+    const QString PARAM_ADDSTOPPED = u"@addStopped"_s;
+    const QString PARAM_CATEGORY = u"@category"_s;
+    const QString PARAM_FIRSTLASTPIECEPRIORITY = u"@firstLastPiecePriority"_s;
+    const QString PARAM_SAVEPATH = u"@savePath"_s;
+    const QString PARAM_SEQUENTIAL = u"@sequential"_s;
+    const QString PARAM_SKIPCHECKING = u"@skipChecking"_s;
+    const QString PARAM_SKIPDIALOG = u"@skipDialog"_s;
+
+    QString bindParamValue(const QStringView paramName, const QStringView paramValue)
+    {
+        return paramName + u'=' + paramValue;
+    }
+
+    std::pair<QStringView, QStringView> parseParam(const QStringView param)
+    {
+        const qsizetype sepIndex = param.indexOf(u'=');
+        if (sepIndex >= 0)
+            return {param.first(sepIndex), param.sliced(sepIndex + 1)};
+
+        return {param, {}};
+    }
+
     QString serializeParams(const QBtCommandLineParameters &params)
     {
         QStringList result;
@@ -138,85 +160,86 @@ namespace
         const BitTorrent::AddTorrentParams &addTorrentParams = params.addTorrentParams;
 
         if (!addTorrentParams.savePath.isEmpty())
-            result.append(u"@savePath=" + addTorrentParams.savePath.data());
+            result.append(bindParamValue(PARAM_SAVEPATH, addTorrentParams.savePath.data()));
 
         if (addTorrentParams.addStopped.has_value())
-            result.append(*addTorrentParams.addStopped ? u"@addStopped=1"_s : u"@addStopped=0"_s);
+            result.append(bindParamValue(PARAM_ADDSTOPPED, (*addTorrentParams.addStopped ? u"1" : u"0")));
 
         if (addTorrentParams.skipChecking)
-            result.append(u"@skipChecking"_s);
+            result.append(PARAM_SKIPCHECKING);
 
         if (!addTorrentParams.category.isEmpty())
-            result.append(u"@category=" + addTorrentParams.category);
+            result.append(bindParamValue(PARAM_CATEGORY, addTorrentParams.category));
 
         if (addTorrentParams.sequential)
-            result.append(u"@sequential"_s);
+            result.append(PARAM_SEQUENTIAL);
 
         if (addTorrentParams.firstLastPiecePriority)
-            result.append(u"@firstLastPiecePriority"_s);
+            result.append(PARAM_FIRSTLASTPIECEPRIORITY);
 
         if (params.skipDialog.has_value())
-            result.append(*params.skipDialog ? u"@skipDialog=1"_s : u"@skipDialog=0"_s);
+            result.append(bindParamValue(PARAM_SKIPDIALOG, (*params.skipDialog ? u"1" : u"0")));
 
         result += params.torrentSources;
 
         return result.join(PARAMS_SEPARATOR);
     }
 
-    QBtCommandLineParameters parseParams(const QString &str)
+    QBtCommandLineParameters parseParams(const QStringView str)
     {
         QBtCommandLineParameters parsedParams;
         BitTorrent::AddTorrentParams &addTorrentParams = parsedParams.addTorrentParams;
 
-        for (QString param : asConst(str.split(PARAMS_SEPARATOR, Qt::SkipEmptyParts)))
+        for (QStringView param : asConst(str.split(PARAMS_SEPARATOR, Qt::SkipEmptyParts)))
         {
             param = param.trimmed();
+            const auto [paramName, paramValue] = parseParam(param);
 
             // Process strings indicating options specified by the user.
 
-            if (param.startsWith(u"@savePath="))
+            if (paramName == PARAM_SAVEPATH)
             {
-                addTorrentParams.savePath = Path(param.mid(10));
+                addTorrentParams.savePath = Path(paramValue.toString());
                 continue;
             }
 
-            if (param.startsWith(u"@addStopped="))
+            if (paramName == PARAM_ADDSTOPPED)
             {
-                addTorrentParams.addStopped = (QStringView(param).mid(11).toInt() != 0);
+                addTorrentParams.addStopped = (paramValue.toInt() != 0);
                 continue;
             }
 
-            if (param == u"@skipChecking")
+            if (paramName == PARAM_SKIPCHECKING)
             {
                 addTorrentParams.skipChecking = true;
                 continue;
             }
 
-            if (param.startsWith(u"@category="))
+            if (paramName == PARAM_CATEGORY)
             {
-                addTorrentParams.category = param.mid(10);
+                addTorrentParams.category = paramValue.toString();
                 continue;
             }
 
-            if (param == u"@sequential")
+            if (paramName == PARAM_SEQUENTIAL)
             {
                 addTorrentParams.sequential = true;
                 continue;
             }
 
-            if (param == u"@firstLastPiecePriority")
+            if (paramName == PARAM_FIRSTLASTPIECEPRIORITY)
             {
                 addTorrentParams.firstLastPiecePriority = true;
                 continue;
             }
 
-            if (param.startsWith(u"@skipDialog="))
+            if (paramName == PARAM_SKIPDIALOG)
             {
-                parsedParams.skipDialog = (QStringView(param).mid(12).toInt() != 0);
+                parsedParams.skipDialog = (paramValue.toInt() != 0);
                 continue;
             }
 
-            parsedParams.torrentSources.append(param);
+            parsedParams.torrentSources.append(param.toString());
         }
 
         return parsedParams;
@@ -579,7 +602,7 @@ void Application::runExternalProgram(const QString &programTemplate, const BitTo
     const QString logMsg = tr("Running external program. Torrent: \"%1\". Command: `%2`");
     const QString logMsgError = tr("Failed to run external program. Torrent: \"%1\". Command: `%2`");
 
-    // The processing sequenece is different for Windows and other OS, this is intentional
+    // The processing sequence is different for Windows and other OS, this is intentional
 #if defined(Q_OS_WIN)
     const QString program = replaceVariables(programTemplate);
     const std::wstring programWStr = program.toStdWString();
@@ -636,7 +659,13 @@ void Application::runExternalProgram(const QString &programTemplate, const BitTo
     {
         // strip redundant quotes
         if (arg.startsWith(u'"') && arg.endsWith(u'"'))
-            arg = arg.mid(1, (arg.size() - 2));
+        {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+            arg.slice(1, (arg.size() - 2));
+#else
+            arg.removeLast().removeFirst();
+#endif
+        }
 
         arg = replaceVariables(arg);
     }
@@ -645,6 +674,9 @@ void Application::runExternalProgram(const QString &programTemplate, const BitTo
     QProcess proc;
     proc.setProgram(command);
     proc.setArguments(args);
+#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+    proc.setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
+#endif
 
     if (proc.startDetached())
     {
@@ -897,10 +929,10 @@ int Application::exec()
                 m_desktopIntegration->showNotification(tr("Torrent added"), tr("'%1' was added.", "e.g: xxx.avi was added.").arg(torrent->name()));
         });
         connect(m_addTorrentManager, &AddTorrentManager::addTorrentFailed, this
-                , [this](const QString &source, const QString &reason)
+                , [this](const QString &source, const BitTorrent::AddTorrentError &reason)
         {
             m_desktopIntegration->showNotification(tr("Add torrent failed")
-                    , tr("Couldn't add torrent '%1', reason: %2.").arg(source, reason));
+                    , tr("Couldn't add torrent '%1', reason: %2.").arg(source, reason.message));
         });
 
         disconnect(m_desktopIntegration, &DesktopIntegration::activationRequested, this, &Application::createStartupProgressDialog);

src/app/cmdoptions.cpp

@@ -36,6 +36,7 @@
 #include <QDebug>
 #include <QFileInfo>
 #include <QProcessEnvironment>
+#include <QStringView>
 
 #if defined(Q_OS_WIN) && !defined(DISABLE_GUI)
 #include <QMessageBox>
@@ -60,7 +61,7 @@ namespace
     class Option
     {
     protected:
-        explicit constexpr Option(const char *name, char shortcut = 0)
+        explicit constexpr Option(const QStringView name, const QChar shortcut = QChar::Null)
             : m_name {name}
             , m_shortcut {shortcut}
         {
@@ -68,23 +69,23 @@ namespace
 
         QString fullParameter() const
         {
-            return u"--" + QString::fromLatin1(m_name);
+            return u"--" + m_name.toString();
         }
 
         QString shortcutParameter() const
         {
-            return u"-" + QChar::fromLatin1(m_shortcut);
+            return u"-" + m_shortcut;
         }
 
         bool hasShortcut() const
         {
-            return m_shortcut != 0;
+            return !m_shortcut.isNull();
         }
 
         QString envVarName() const
         {
             return u"QBT_"
-                   + QString::fromLatin1(m_name).toUpper().replace(u'-', u'_');
+                   + m_name.toString().toUpper().replace(u'-', u'_');
         }
 
     public:
@@ -99,15 +100,15 @@ namespace
         }
 
     private:
-        const char *m_name = nullptr;
-        const char m_shortcut;
+        const QStringView m_name;
+        const QChar m_shortcut;
     };
 
     // Boolean option.
     class BoolOption : protected Option
     {
     public:
-        explicit constexpr BoolOption(const char *name, char shortcut = 0)
+        explicit constexpr BoolOption(const QStringView name, const QChar shortcut = QChar::Null)
             : Option {name, shortcut}
         {
         }
@@ -139,8 +140,8 @@ namespace
     struct StringOption : protected Option
     {
     public:
-        explicit constexpr StringOption(const char *name)
-            : Option {name, 0}
+        explicit constexpr StringOption(const QStringView name)
+            : Option {name, QChar::Null}
         {
         }
 
@@ -181,7 +182,7 @@ namespace
     class IntOption : protected StringOption
     {
     public:
-        explicit constexpr IntOption(const char *name)
+        explicit constexpr IntOption(const QStringView name)
             : StringOption {name}
         {
         }
@@ -229,8 +230,8 @@ namespace
     class TriStateBoolOption : protected Option
     {
     public:
-        constexpr TriStateBoolOption(const char *name, bool defaultValue)
-            : Option {name, 0}
+        constexpr TriStateBoolOption(const QStringView name, const bool defaultValue)
+            : Option {name, QChar::Null}
             , m_defaultValue(defaultValue)
         {
         }
@@ -299,31 +300,32 @@ namespace
             return arg.section(u'=', 0, 0) == option.fullParameter();
         }
 
-        bool m_defaultValue;
+    private:
+        bool m_defaultValue = false;
     };
 
-    constexpr const BoolOption SHOW_HELP_OPTION {"help", 'h'};
+    constexpr const BoolOption SHOW_HELP_OPTION {u"help", u'h'};
 #if !defined(Q_OS_WIN) || defined(DISABLE_GUI)
-    constexpr const BoolOption SHOW_VERSION_OPTION {"version", 'v'};
+    constexpr const BoolOption SHOW_VERSION_OPTION {u"version", u'v'};
 #endif
-    constexpr const BoolOption CONFIRM_LEGAL_NOTICE {"confirm-legal-notice"};
+    constexpr const BoolOption CONFIRM_LEGAL_NOTICE {u"confirm-legal-notice"};
 #if defined(DISABLE_GUI) && !defined(Q_OS_WIN)
-    constexpr const BoolOption DAEMON_OPTION {"daemon", 'd'};
+    constexpr const BoolOption DAEMON_OPTION {u"daemon", u'd'};
 #else
-    constexpr const BoolOption NO_SPLASH_OPTION {"no-splash"};
+    constexpr const BoolOption NO_SPLASH_OPTION {u"no-splash"};
 #endif
-    constexpr const IntOption WEBUI_PORT_OPTION {"webui-port"};
-    constexpr const IntOption TORRENTING_PORT_OPTION {"torrenting-port"};
-    constexpr const StringOption PROFILE_OPTION {"profile"};
-    constexpr const StringOption CONFIGURATION_OPTION {"configuration"};
-    constexpr const BoolOption RELATIVE_FASTRESUME {"relative-fastresume"};
-    constexpr const StringOption SAVE_PATH_OPTION {"save-path"};
-    constexpr const TriStateBoolOption STOPPED_OPTION {"add-stopped", true};
-    constexpr const BoolOption SKIP_HASH_CHECK_OPTION {"skip-hash-check"};
-    constexpr const StringOption CATEGORY_OPTION {"category"};
-    constexpr const BoolOption SEQUENTIAL_OPTION {"sequential"};
-    constexpr const BoolOption FIRST_AND_LAST_OPTION {"first-and-last"};
-    constexpr const TriStateBoolOption SKIP_DIALOG_OPTION {"skip-dialog", true};
+    constexpr const IntOption WEBUI_PORT_OPTION {u"webui-port"};
+    constexpr const IntOption TORRENTING_PORT_OPTION {u"torrenting-port"};
+    constexpr const StringOption PROFILE_OPTION {u"profile"};
+    constexpr const StringOption CONFIGURATION_OPTION {u"configuration"};
+    constexpr const BoolOption RELATIVE_FASTRESUME {u"relative-fastresume"};
+    constexpr const StringOption SAVE_PATH_OPTION {u"save-path"};
+    constexpr const TriStateBoolOption STOPPED_OPTION {u"add-stopped", true};
+    constexpr const BoolOption SKIP_HASH_CHECK_OPTION {u"skip-hash-check"};
+    constexpr const StringOption CATEGORY_OPTION {u"category"};
+    constexpr const BoolOption SEQUENTIAL_OPTION {u"sequential"};
+    constexpr const BoolOption FIRST_AND_LAST_OPTION {u"first-and-last"};
+    constexpr const TriStateBoolOption SKIP_DIALOG_OPTION {u"skip-dialog", true};
 }
 
 QBtCommandLineParameters::QBtCommandLineParameters(const QProcessEnvironment &env)
@@ -463,13 +465,13 @@ QBtCommandLineParameters parseCommandLine(const QStringList &args)
     return result;
 }
 
-QString wrapText(const QString &text, int initialIndentation = USAGE_TEXT_COLUMN, int wrapAtColumn = WRAP_AT_COLUMN)
+QString wrapText(const QString &text, const int initialIndentation = USAGE_TEXT_COLUMN, const int wrapAtColumn = WRAP_AT_COLUMN)
 {
-    QStringList words = text.split(u' ');
+    const QStringList words = text.split(u' ');
     QStringList lines = {words.first()};
     int currentLineMaxLength = wrapAtColumn - initialIndentation;
 
-    for (const QString &word : asConst(words.mid(1)))
+    for (const QString &word : asConst(words.sliced(1)))
     {
         if (lines.last().length() + word.length() + 1 < currentLineMaxLength)
         {

src/app/filelogger.cpp

@@ -32,8 +32,8 @@
 
 #include <QDateTime>
 #include <QDir>
+#include <QList>
 #include <QTextStream>
-#include <QVector>
 
 #include "base/global.h"
 #include "base/logger.h"

src/app/qtlocalpeer/qtlocalpeer.cpp

@@ -74,6 +74,7 @@
 #include <windows.h>
 #endif
 
+#include <QByteArray>
 #include <QDataStream>
 #include <QFileInfo>
 #include <QLocalServer>
@@ -90,7 +91,7 @@ namespace QtLP_Private
 #endif
 }
 
-const char ACK[] = "ack";
+const QByteArray ACK = QByteArrayLiteral("ack");
 
 QtLocalPeer::QtLocalPeer(const QString &path, QObject *parent)
     : QObject(parent)
@@ -169,7 +170,7 @@ bool QtLocalPeer::sendMessage(const QString &message, const int timeout)
     {
         res &= socket.waitForReadyRead(timeout);   // wait for ack
         if (res)
-            res &= (socket.read(qstrlen(ACK)) == ACK);
+            res &= (socket.read(ACK.size()) == ACK);
     }
     return res;
 }
@@ -220,7 +221,7 @@ void QtLocalPeer::receiveConnection()
         return;
     }
     QString message(QString::fromUtf8(uMsg));
-    socket->write(ACK, qstrlen(ACK));
+    socket->write(ACK);
     socket->waitForBytesWritten(1000);
     socket->waitForDisconnected(1000); // make sure client reads ack
     delete socket;

src/app/qtlocalpeer/qtlockedfile.h

@@ -71,8 +71,8 @@
 #include <QFile>
 
 #ifdef Q_OS_WIN
+#include <QList>
 #include <QString>
-#include <QVector>
 #endif
 
 namespace QtLP_Private
@@ -105,7 +105,7 @@ namespace QtLP_Private
 
         Qt::HANDLE m_writeMutex = nullptr;
         Qt::HANDLE m_readMutex = nullptr;
-        QVector<Qt::HANDLE> m_readMutexes;
+        QList<Qt::HANDLE> m_readMutexes;
         QString m_mutexName;
 #endif
 

src/base/CMakeLists.txt

@@ -6,7 +6,9 @@ add_library(qbt_base STATIC
     applicationcomponent.h
     asyncfilestorage.h
     bittorrent/abstractfilestorage.h
+    bittorrent/addtorrenterror.h
     bittorrent/addtorrentparams.h
+    bittorrent/announcetimepoint.h
     bittorrent/bandwidthscheduler.h
     bittorrent/bencoderesumedatastorage.h
     bittorrent/cachestatus.h
@@ -53,6 +55,7 @@ add_library(qbt_base STATIC
     concepts/stringable.h
     digest32.h
     exceptions.h
+    freediskspacechecker.h
     global.h
     http/connection.h
     http/httperror.h
@@ -158,6 +161,7 @@ add_library(qbt_base STATIC
     bittorrent/trackerentry.cpp
     bittorrent/trackerentrystatus.cpp
     exceptions.cpp
+    freediskspacechecker.cpp
     http/connection.cpp
     http/httperror.cpp
     http/requestparser.cpp

src/base/addtorrentmanager.cpp

@@ -29,6 +29,7 @@
 
 #include "addtorrentmanager.h"
 
+#include "base/bittorrent/addtorrenterror.h"
 #include "base/bittorrent/infohash.h"
 #include "base/bittorrent/session.h"
 #include "base/bittorrent/torrentdescriptor.h"
@@ -140,7 +141,7 @@ void AddTorrentManager::onSessionTorrentAdded(BitTorrent::Torrent *torrent)
     }
 }
 
-void AddTorrentManager::onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const QString &reason)
+void AddTorrentManager::onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const BitTorrent::AddTorrentError &reason)
 {
     if (const QString source = m_sourcesByInfoHash.take(infoHash); !source.isEmpty())
     {
@@ -154,7 +155,7 @@ void AddTorrentManager::onSessionAddTorrentFailed(const BitTorrent::InfoHash &in
 void AddTorrentManager::handleAddTorrentFailed(const QString &source, const QString &reason)
 {
     LogMsg(tr("Failed to add torrent. Source: \"%1\". Reason: \"%2\"").arg(source, reason), Log::WARNING);
-    emit addTorrentFailed(source, reason);
+    emit addTorrentFailed(source, {BitTorrent::AddTorrentError::Other, reason});
 }
 
 void AddTorrentManager::handleDuplicateTorrent(const QString &source
@@ -185,9 +186,9 @@ void AddTorrentManager::handleDuplicateTorrent(const QString &source
         message = tr("Trackers are merged from new source");
     }
 
-    LogMsg(tr("Detected an attempt to add a duplicate torrent. Source: %1. Existing torrent: %2. Result: %3")
-            .arg(source, existingTorrent->name(), message));
-    emit addTorrentFailed(source, message);
+    LogMsg(tr("Detected an attempt to add a duplicate torrent. Source: %1. Existing torrent: \"%2\". Torrent infohash: %3. Result: %4")
+            .arg(source, existingTorrent->name(), existingTorrent->infoHash().toString(), message));
+    emit addTorrentFailed(source, {BitTorrent::AddTorrentError::DuplicateTorrent, message});
 }
 
 void AddTorrentManager::setTorrentFileGuard(const QString &source, std::shared_ptr<TorrentFileGuard> torrentFileGuard)

src/base/addtorrentmanager.h

@@ -44,6 +44,7 @@ namespace BitTorrent
     class Session;
     class Torrent;
     class TorrentDescriptor;
+    struct AddTorrentError;
 }
 
 namespace Net
@@ -66,7 +67,7 @@ public:
 
 signals:
     void torrentAdded(const QString &source, BitTorrent::Torrent *torrent);
-    void addTorrentFailed(const QString &source, const QString &reason);
+    void addTorrentFailed(const QString &source, const BitTorrent::AddTorrentError &reason);
 
 protected:
     bool addTorrentToSession(const QString &source, const BitTorrent::TorrentDescriptor &torrentDescr
@@ -79,7 +80,7 @@ protected:
 private:
     void onDownloadFinished(const Net::DownloadResult &result);
     void onSessionTorrentAdded(BitTorrent::Torrent *torrent);
-    void onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const QString &reason);
+    void onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const BitTorrent::AddTorrentError &reason);
     bool processTorrent(const QString &source, const BitTorrent::TorrentDescriptor &torrentDescr
             , const BitTorrent::AddTorrentParams &addTorrentParams);
 

src/base/bittorrent/abstractfilestorage.cpp

@@ -30,7 +30,7 @@
 
 #include <QDir>
 #include <QHash>
-#include <QVector>
+#include <QList>
 
 #include "base/exceptions.h"
 #include "base/path.h"
@@ -71,7 +71,7 @@ void BitTorrent::AbstractFileStorage::renameFolder(const Path &oldFolderPath, co
     if (newFolderPath.isAbsolute())
         throw RuntimeError(tr("Absolute path isn't allowed: '%1'.").arg(newFolderPath.toString()));
 
-    QVector<int> renamingFileIndexes;
+    QList<int> renamingFileIndexes;
     renamingFileIndexes.reserve(filesCount());
 
     for (int i = 0; i < filesCount(); ++i)

src/base/bittorrent/addtorrenterror.h

@@ -0,0 +1,49 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2025  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QMetaType>
+#include <QString>
+
+namespace BitTorrent
+{
+    struct AddTorrentError
+    {
+        enum Kind
+        {
+            DuplicateTorrent,
+            Other
+        };
+
+        Kind kind = Other;
+        QString message;
+    };
+}
+
+Q_DECLARE_METATYPE(BitTorrent::AddTorrentError)

src/base/bittorrent/addtorrentparams.h

@@ -30,9 +30,9 @@
 
 #include <optional>
 
+#include <QList>
 #include <QMetaType>
 #include <QString>
-#include <QVector>
 
 #include "base/path.h"
 #include "base/tagset.h"
@@ -62,7 +62,7 @@ namespace BitTorrent
         std::optional<bool> addStopped;
         std::optional<Torrent::StopCondition> stopCondition;
         PathList filePaths; // used if TorrentInfo is set
-        QVector<DownloadPriority> filePriorities; // used if TorrentInfo is set
+        QList<DownloadPriority> filePriorities; // used if TorrentInfo is set
         bool skipChecking = false;
         std::optional<BitTorrent::TorrentContentLayout> contentLayout;
         std::optional<bool> useAutoTMM;

src/base/bittorrent/announcetimepoint.h

@@ -0,0 +1,36 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2024  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <chrono>
+
+namespace BitTorrent
+{
+    using AnnounceTimePoint = std::chrono::high_resolution_clock::time_point;
+}

src/base/bittorrent/bandwidthscheduler.cpp

@@ -102,7 +102,7 @@ bool BandwidthScheduler::isTimeForAlternative() const
                 alternative = !alternative;
             break;
         default:
-            Q_ASSERT(false);
+            Q_UNREACHABLE();
             break;
         }
     }

src/base/bittorrent/bencoderesumedatastorage.cpp

@@ -64,7 +64,7 @@ namespace BitTorrent
 
         void store(const TorrentID &id, const LoadTorrentParams &resumeData) const;
         void remove(const TorrentID &id) const;
-        void storeQueue(const QVector<TorrentID> &queue) const;
+        void storeQueue(const QList<TorrentID> &queue) const;
 
     private:
         const Path m_resumeDataDir;
@@ -131,10 +131,11 @@ BitTorrent::BencodeResumeDataStorage::BencodeResumeDataStorage(const Path &path,
 
     m_asyncWorker->moveToThread(m_ioThread.get());
     connect(m_ioThread.get(), &QThread::finished, m_asyncWorker, &QObject::deleteLater);
+    m_ioThread->setObjectName("BencodeResumeDataStorage m_ioThread");
     m_ioThread->start();
 }
 
-QVector<BitTorrent::TorrentID> BitTorrent::BencodeResumeDataStorage::registeredTorrents() const
+QList<BitTorrent::TorrentID> BitTorrent::BencodeResumeDataStorage::registeredTorrents() const
 {
     return m_registeredTorrents;
 }
@@ -289,10 +290,11 @@ BitTorrent::LoadResumeDataResult BitTorrent::BencodeResumeDataStorage::loadTorre
     lt::add_torrent_params &p = torrentParams.ltAddTorrentParams;
 
     p = lt::read_resume_data(resumeDataRoot, ec);
+    if (ec)
+        return nonstd::make_unexpected(tr("Cannot parse resume data: %1").arg(QString::fromStdString(ec.message())));
 
     if (!metadata.isEmpty())
     {
-        const auto *pref = Preferences::instance();
         const lt::bdecode_node torentInfoRoot = lt::bdecode(metadata, ec
                 , nullptr, pref->getBdecodeDepthLimit(), pref->getBdecodeTokenLimit());
         if (ec)
@@ -320,6 +322,8 @@ BitTorrent::LoadResumeDataResult BitTorrent::BencodeResumeDataStorage::loadTorre
 
     p.save_path = Profile::instance()->fromPortablePath(
                 Path(fromLTString(p.save_path))).toString().toStdString();
+    if (p.save_path.empty())
+        return nonstd::make_unexpected(tr("Corrupted resume data: %1").arg(tr("save_path is invalid")));
 
     torrentParams.stopped = (p.flags & lt::torrent_flags::paused) && !(p.flags & lt::torrent_flags::auto_managed);
     torrentParams.operatingMode = (p.flags & lt::torrent_flags::paused) || (p.flags & lt::torrent_flags::auto_managed)
@@ -354,7 +358,7 @@ void BitTorrent::BencodeResumeDataStorage::remove(const TorrentID &id) const
     });
 }
 
-void BitTorrent::BencodeResumeDataStorage::storeQueue(const QVector<TorrentID> &queue) const
+void BitTorrent::BencodeResumeDataStorage::storeQueue(const QList<TorrentID> &queue) const
 {
     QMetaObject::invokeMethod(m_asyncWorker, [this, queue]()
     {
@@ -460,7 +464,7 @@ void BitTorrent::BencodeResumeDataStorage::Worker::remove(const TorrentID &id) c
     Utils::Fs::removeFile(m_resumeDataDir / torrentFilename);
 }
 
-void BitTorrent::BencodeResumeDataStorage::Worker::storeQueue(const QVector<TorrentID> &queue) const
+void BitTorrent::BencodeResumeDataStorage::Worker::storeQueue(const QList<TorrentID> &queue) const
 {
     QByteArray data;
     data.reserve(((BitTorrent::TorrentID::length() * 2) + 1) * queue.size());

src/base/bittorrent/bencoderesumedatastorage.h

@@ -29,7 +29,7 @@
 #pragma once
 
 #include <QDir>
-#include <QVector>
+#include <QList>
 
 #include "base/pathfwd.h"
 #include "base/utils/thread.h"
@@ -37,7 +37,6 @@
 #include "resumedatastorage.h"
 
 class QByteArray;
-class QThread;
 
 namespace BitTorrent
 {
@@ -49,18 +48,18 @@ namespace BitTorrent
     public:
         explicit BencodeResumeDataStorage(const Path &path, QObject *parent = nullptr);
 
-        QVector<TorrentID> registeredTorrents() const override;
+        QList<TorrentID> registeredTorrents() const override;
         LoadResumeDataResult load(const TorrentID &id) const override;
         void store(const TorrentID &id, const LoadTorrentParams &resumeData) const override;
         void remove(const TorrentID &id) const override;
-        void storeQueue(const QVector<TorrentID> &queue) const override;
+        void storeQueue(const QList<TorrentID> &queue) const override;
 
     private:
         void doLoadAll() const override;
         void loadQueue(const Path &queueFilename);
         LoadResumeDataResult loadTorrentResumeData(const QByteArray &data, const QByteArray &metadata) const;
 
-        QVector<TorrentID> m_registeredTorrents;
+        QList<TorrentID> m_registeredTorrents;
         Utils::Thread::UniquePtr m_ioThread;
 
         class Worker;

src/base/bittorrent/dbresumedatastorage.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2021-2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2021-2025  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -41,6 +41,7 @@
 
 #include <QByteArray>
 #include <QDebug>
+#include <QList>
 #include <QMutex>
 #include <QSet>
 #include <QSqlDatabase>
@@ -48,7 +49,6 @@
 #include <QSqlQuery>
 #include <QSqlRecord>
 #include <QThread>
-#include <QVector>
 #include <QWaitCondition>
 
 #include "base/exceptions.h"
@@ -107,11 +107,11 @@ namespace
     class StoreQueueJob final : public Job
     {
     public:
-        explicit StoreQueueJob(const QVector<TorrentID> &queue);
+        explicit StoreQueueJob(const QList<TorrentID> &queue);
         void perform(QSqlDatabase db) override;
 
     private:
-        const QVector<TorrentID> m_queue;
+        const QList<TorrentID> m_queue;
     };
 
     struct Column
@@ -120,36 +120,35 @@ namespace
         QString placeholder;
     };
 
-    Column makeColumn(const char *columnName)
+    Column makeColumn(const QString &columnName)
     {
-        const QString name = QString::fromLatin1(columnName);
-        return {.name = name, .placeholder = (u':' + name)};
+        return {.name = columnName, .placeholder = (u':' + columnName)};
     }
 
-    const Column DB_COLUMN_ID = makeColumn("id");
-    const Column DB_COLUMN_TORRENT_ID = makeColumn("torrent_id");
-    const Column DB_COLUMN_QUEUE_POSITION = makeColumn("queue_position");
-    const Column DB_COLUMN_NAME = makeColumn("name");
-    const Column DB_COLUMN_CATEGORY = makeColumn("category");
-    const Column DB_COLUMN_TAGS = makeColumn("tags");
-    const Column DB_COLUMN_TARGET_SAVE_PATH = makeColumn("target_save_path");
-    const Column DB_COLUMN_DOWNLOAD_PATH = makeColumn("download_path");
-    const Column DB_COLUMN_CONTENT_LAYOUT = makeColumn("content_layout");
-    const Column DB_COLUMN_RATIO_LIMIT = makeColumn("ratio_limit");
-    const Column DB_COLUMN_SEEDING_TIME_LIMIT = makeColumn("seeding_time_limit");
-    const Column DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT = makeColumn("inactive_seeding_time_limit");
-    const Column DB_COLUMN_SHARE_LIMIT_ACTION = makeColumn("share_limit_action");
-    const Column DB_COLUMN_HAS_OUTER_PIECES_PRIORITY = makeColumn("has_outer_pieces_priority");
-    const Column DB_COLUMN_HAS_SEED_STATUS = makeColumn("has_seed_status");
-    const Column DB_COLUMN_OPERATING_MODE = makeColumn("operating_mode");
-    const Column DB_COLUMN_STOPPED = makeColumn("stopped");
-    const Column DB_COLUMN_STOP_CONDITION = makeColumn("stop_condition");
-    const Column DB_COLUMN_SSL_CERTIFICATE = makeColumn("ssl_certificate");
-    const Column DB_COLUMN_SSL_PRIVATE_KEY = makeColumn("ssl_private_key");
-    const Column DB_COLUMN_SSL_DH_PARAMS = makeColumn("ssl_dh_params");
-    const Column DB_COLUMN_RESUMEDATA = makeColumn("libtorrent_resume_data");
-    const Column DB_COLUMN_METADATA = makeColumn("metadata");
-    const Column DB_COLUMN_VALUE = makeColumn("value");
+    const Column DB_COLUMN_ID = makeColumn(u"id"_s);
+    const Column DB_COLUMN_TORRENT_ID = makeColumn(u"torrent_id"_s);
+    const Column DB_COLUMN_QUEUE_POSITION = makeColumn(u"queue_position"_s);
+    const Column DB_COLUMN_NAME = makeColumn(u"name"_s);
+    const Column DB_COLUMN_CATEGORY = makeColumn(u"category"_s);
+    const Column DB_COLUMN_TAGS = makeColumn(u"tags"_s);
+    const Column DB_COLUMN_TARGET_SAVE_PATH = makeColumn(u"target_save_path"_s);
+    const Column DB_COLUMN_DOWNLOAD_PATH = makeColumn(u"download_path"_s);
+    const Column DB_COLUMN_CONTENT_LAYOUT = makeColumn(u"content_layout"_s);
+    const Column DB_COLUMN_RATIO_LIMIT = makeColumn(u"ratio_limit"_s);
+    const Column DB_COLUMN_SEEDING_TIME_LIMIT = makeColumn(u"seeding_time_limit"_s);
+    const Column DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT = makeColumn(u"inactive_seeding_time_limit"_s);
+    const Column DB_COLUMN_SHARE_LIMIT_ACTION = makeColumn(u"share_limit_action"_s);
+    const Column DB_COLUMN_HAS_OUTER_PIECES_PRIORITY = makeColumn(u"has_outer_pieces_priority"_s);
+    const Column DB_COLUMN_HAS_SEED_STATUS = makeColumn(u"has_seed_status"_s);
+    const Column DB_COLUMN_OPERATING_MODE = makeColumn(u"operating_mode"_s);
+    const Column DB_COLUMN_STOPPED = makeColumn(u"stopped"_s);
+    const Column DB_COLUMN_STOP_CONDITION = makeColumn(u"stop_condition"_s);
+    const Column DB_COLUMN_SSL_CERTIFICATE = makeColumn(u"ssl_certificate"_s);
+    const Column DB_COLUMN_SSL_PRIVATE_KEY = makeColumn(u"ssl_private_key"_s);
+    const Column DB_COLUMN_SSL_DH_PARAMS = makeColumn(u"ssl_dh_params"_s);
+    const Column DB_COLUMN_RESUMEDATA = makeColumn(u"libtorrent_resume_data"_s);
+    const Column DB_COLUMN_METADATA = makeColumn(u"metadata"_s);
+    const Column DB_COLUMN_VALUE = makeColumn(u"value"_s);
 
     template <typename LTStr>
     QString fromLTString(const LTStr &str)
@@ -168,7 +167,7 @@ namespace
         return u"CREATE TABLE %1 (%2)"_s.arg(quoted(tableName), items.join(u','));
     }
 
-    std::pair<QString, QString> joinColumns(const QVector<Column> &columns)
+    std::pair<QString, QString> joinColumns(const QList<Column> &columns)
     {
         int namesSize = columns.size();
         int valuesSize = columns.size();
@@ -193,104 +192,30 @@ namespace
         return std::make_pair(names, values);
     }
 
-    QString makeInsertStatement(const QString &tableName, const QVector<Column> &columns)
+    QString makeInsertStatement(const QString &tableName, const QList<Column> &columns)
     {
         const auto [names, values] = joinColumns(columns);
         return u"INSERT INTO %1 (%2) VALUES (%3)"_s
                 .arg(quoted(tableName), names, values);
     }
 
-    QString makeUpdateStatement(const QString &tableName, const QVector<Column> &columns)
+    QString makeUpdateStatement(const QString &tableName, const QList<Column> &columns)
     {
         const auto [names, values] = joinColumns(columns);
         return u"UPDATE %1 SET (%2) = (%3)"_s
                 .arg(quoted(tableName), names, values);
     }
 
-    QString makeOnConflictUpdateStatement(const Column &constraint, const QVector<Column> &columns)
+    QString makeOnConflictUpdateStatement(const Column &constraint, const QList<Column> &columns)
     {
         const auto [names, values] = joinColumns(columns);
         return u" ON CONFLICT (%1) DO UPDATE SET (%2) = (%3)"_s
                 .arg(quoted(constraint.name), names, values);
     }
 
-    QString makeColumnDefinition(const Column &column, const char *definition)
+    QString makeColumnDefinition(const Column &column, const QString &definition)
     {
-        return u"%1 %2"_s.arg(quoted(column.name), QString::fromLatin1(definition));
-    }
-
-    LoadTorrentParams parseQueryResultRow(const QSqlQuery &query)
-    {
-        LoadTorrentParams resumeData;
-        resumeData.name = query.value(DB_COLUMN_NAME.name).toString();
-        resumeData.category = query.value(DB_COLUMN_CATEGORY.name).toString();
-        const QString tagsData = query.value(DB_COLUMN_TAGS.name).toString();
-        if (!tagsData.isEmpty())
-        {
-            const QStringList tagList = tagsData.split(u',');
-            resumeData.tags.insert(tagList.cbegin(), tagList.cend());
-        }
-        resumeData.hasFinishedStatus = query.value(DB_COLUMN_HAS_SEED_STATUS.name).toBool();
-        resumeData.firstLastPiecePriority = query.value(DB_COLUMN_HAS_OUTER_PIECES_PRIORITY.name).toBool();
-        resumeData.ratioLimit = query.value(DB_COLUMN_RATIO_LIMIT.name).toInt() / 1000.0;
-        resumeData.seedingTimeLimit = query.value(DB_COLUMN_SEEDING_TIME_LIMIT.name).toInt();
-        resumeData.inactiveSeedingTimeLimit = query.value(DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT.name).toInt();
-        resumeData.shareLimitAction = Utils::String::toEnum<ShareLimitAction>(
-                query.value(DB_COLUMN_SHARE_LIMIT_ACTION.name).toString(), ShareLimitAction::Default);
-        resumeData.contentLayout = Utils::String::toEnum<TorrentContentLayout>(
-                query.value(DB_COLUMN_CONTENT_LAYOUT.name).toString(), TorrentContentLayout::Original);
-        resumeData.operatingMode = Utils::String::toEnum<TorrentOperatingMode>(
-                query.value(DB_COLUMN_OPERATING_MODE.name).toString(), TorrentOperatingMode::AutoManaged);
-        resumeData.stopped = query.value(DB_COLUMN_STOPPED.name).toBool();
-        resumeData.stopCondition = Utils::String::toEnum(
-                query.value(DB_COLUMN_STOP_CONDITION.name).toString(), Torrent::StopCondition::None);
-        resumeData.sslParameters =
-        {
-            .certificate = QSslCertificate(query.value(DB_COLUMN_SSL_CERTIFICATE.name).toByteArray()),
-            .privateKey = Utils::SSLKey::load(query.value(DB_COLUMN_SSL_PRIVATE_KEY.name).toByteArray()),
-            .dhParams = query.value(DB_COLUMN_SSL_DH_PARAMS.name).toByteArray()
-        };
-
-        resumeData.savePath = Profile::instance()->fromPortablePath(
-                    Path(query.value(DB_COLUMN_TARGET_SAVE_PATH.name).toString()));
-        resumeData.useAutoTMM = resumeData.savePath.isEmpty();
-        if (!resumeData.useAutoTMM)
-        {
-            resumeData.downloadPath = Profile::instance()->fromPortablePath(
-                        Path(query.value(DB_COLUMN_DOWNLOAD_PATH.name).toString()));
-        }
-
-        const QByteArray bencodedResumeData = query.value(DB_COLUMN_RESUMEDATA.name).toByteArray();
-        const auto *pref = Preferences::instance();
-        const int bdecodeDepthLimit = pref->getBdecodeDepthLimit();
-        const int bdecodeTokenLimit = pref->getBdecodeTokenLimit();
-
-        lt::error_code ec;
-        const lt::bdecode_node resumeDataRoot = lt::bdecode(bencodedResumeData, ec
-                , nullptr, bdecodeDepthLimit, bdecodeTokenLimit);
-
-        lt::add_torrent_params &p = resumeData.ltAddTorrentParams;
-
-        p = lt::read_resume_data(resumeDataRoot, ec);
-
-        if (const QByteArray bencodedMetadata = query.value(DB_COLUMN_METADATA.name).toByteArray()
-                ; !bencodedMetadata.isEmpty())
-        {
-            const lt::bdecode_node torentInfoRoot = lt::bdecode(bencodedMetadata, ec
-                    , nullptr, bdecodeDepthLimit, bdecodeTokenLimit);
-            p.ti = std::make_shared<lt::torrent_info>(torentInfoRoot, ec);
-        }
-
-        p.save_path = Profile::instance()->fromPortablePath(Path(fromLTString(p.save_path)))
-                .toString().toStdString();
-
-        if (p.flags & lt::torrent_flags::stop_when_ready)
-        {
-            p.flags &= ~lt::torrent_flags::stop_when_ready;
-            resumeData.stopCondition = Torrent::StopCondition::FilesChecked;
-        }
-
-        return resumeData;
+        return u"%1 %2"_s.arg(quoted(column.name), definition);
     }
 }
 
@@ -308,7 +233,7 @@ namespace BitTorrent
 
         void store(const TorrentID &id, const LoadTorrentParams &resumeData);
         void remove(const TorrentID &id);
-        void storeQueue(const QVector<TorrentID> &queue);
+        void storeQueue(const QList<TorrentID> &queue);
 
     private:
         void addJob(std::unique_ptr<Job> job);
@@ -325,7 +250,6 @@ namespace BitTorrent
 
 BitTorrent::DBResumeDataStorage::DBResumeDataStorage(const Path &dbPath, QObject *parent)
     : ResumeDataStorage(dbPath, parent)
-    , m_ioThread {new QThread}
 {
     const bool needCreateDB = !dbPath.exists();
 
@@ -356,7 +280,7 @@ BitTorrent::DBResumeDataStorage::~DBResumeDataStorage()
     QSqlDatabase::removeDatabase(DB_CONNECTION_NAME);
 }
 
-QVector<BitTorrent::TorrentID> BitTorrent::DBResumeDataStorage::registeredTorrents() const
+QList<BitTorrent::TorrentID> BitTorrent::DBResumeDataStorage::registeredTorrents() const
 {
     const auto selectTorrentIDStatement = u"SELECT %1 FROM %2 ORDER BY %3;"_s
             .arg(quoted(DB_COLUMN_TORRENT_ID.name), quoted(DB_TABLE_TORRENTS), quoted(DB_COLUMN_QUEUE_POSITION.name));
@@ -367,7 +291,7 @@ QVector<BitTorrent::TorrentID> BitTorrent::DBResumeDataStorage::registeredTorren
     if (!query.exec(selectTorrentIDStatement))
         throw RuntimeError(query.lastError().text());
 
-    QVector<TorrentID> registeredTorrents;
+    QList<TorrentID> registeredTorrents;
     registeredTorrents.reserve(query.size());
     while (query.next())
         registeredTorrents.append(BitTorrent::TorrentID::fromString(query.value(0).toString()));
@@ -413,7 +337,7 @@ void BitTorrent::DBResumeDataStorage::remove(const BitTorrent::TorrentID &id) co
     m_asyncWorker->remove(id);
 }
 
-void BitTorrent::DBResumeDataStorage::storeQueue(const QVector<TorrentID> &queue) const
+void BitTorrent::DBResumeDataStorage::storeQueue(const QList<TorrentID> &queue) const
 {
     m_asyncWorker->storeQueue(queue);
 }
@@ -438,7 +362,7 @@ void BitTorrent::DBResumeDataStorage::doLoadAll() const
         if (!query.exec(selectTorrentIDStatement))
             throw RuntimeError(query.lastError().text());
 
-        QVector<TorrentID> registeredTorrents;
+        QList<TorrentID> registeredTorrents;
         registeredTorrents.reserve(query.size());
         while (query.next())
             registeredTorrents.append(TorrentID::fromString(query.value(0).toString()));
@@ -512,9 +436,9 @@ void BitTorrent::DBResumeDataStorage::createDB() const
     try
     {
         const QStringList tableMetaItems = {
-            makeColumnDefinition(DB_COLUMN_ID, "INTEGER PRIMARY KEY"),
-            makeColumnDefinition(DB_COLUMN_NAME, "TEXT NOT NULL UNIQUE"),
-            makeColumnDefinition(DB_COLUMN_VALUE, "BLOB")
+            makeColumnDefinition(DB_COLUMN_ID, u"INTEGER PRIMARY KEY"_s),
+            makeColumnDefinition(DB_COLUMN_NAME, u"TEXT NOT NULL UNIQUE"_s),
+            makeColumnDefinition(DB_COLUMN_VALUE, u"BLOB"_s)
         };
         const QString createTableMetaQuery = makeCreateTableStatement(DB_TABLE_META, tableMetaItems);
         if (!query.exec(createTableMetaQuery))
@@ -531,29 +455,29 @@ void BitTorrent::DBResumeDataStorage::createDB() const
             throw RuntimeError(query.lastError().text());
 
         const QStringList tableTorrentsItems = {
-            makeColumnDefinition(DB_COLUMN_ID, "INTEGER PRIMARY KEY"),
-            makeColumnDefinition(DB_COLUMN_TORRENT_ID, "BLOB NOT NULL UNIQUE"),
-            makeColumnDefinition(DB_COLUMN_QUEUE_POSITION, "INTEGER NOT NULL DEFAULT -1"),
-            makeColumnDefinition(DB_COLUMN_NAME, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_CATEGORY, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_TAGS, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_TARGET_SAVE_PATH, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_DOWNLOAD_PATH, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_CONTENT_LAYOUT, "TEXT NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_RATIO_LIMIT, "INTEGER NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_SEEDING_TIME_LIMIT, "INTEGER NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT, "INTEGER NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_SHARE_LIMIT_ACTION, "TEXT NOT NULL DEFAULT `Default`"),
-            makeColumnDefinition(DB_COLUMN_HAS_OUTER_PIECES_PRIORITY, "INTEGER NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_HAS_SEED_STATUS, "INTEGER NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_OPERATING_MODE, "TEXT NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_STOPPED, "INTEGER NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_STOP_CONDITION, "TEXT NOT NULL DEFAULT `None`"),
-            makeColumnDefinition(DB_COLUMN_SSL_CERTIFICATE, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_SSL_PRIVATE_KEY, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_SSL_DH_PARAMS, "TEXT"),
-            makeColumnDefinition(DB_COLUMN_RESUMEDATA, "BLOB NOT NULL"),
-            makeColumnDefinition(DB_COLUMN_METADATA, "BLOB")
+            makeColumnDefinition(DB_COLUMN_ID, u"INTEGER PRIMARY KEY"_s),
+            makeColumnDefinition(DB_COLUMN_TORRENT_ID, u"BLOB NOT NULL UNIQUE"_s),
+            makeColumnDefinition(DB_COLUMN_QUEUE_POSITION, u"INTEGER NOT NULL DEFAULT -1"_s),
+            makeColumnDefinition(DB_COLUMN_NAME, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_CATEGORY, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_TAGS, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_TARGET_SAVE_PATH, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_DOWNLOAD_PATH, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_CONTENT_LAYOUT, u"TEXT NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_RATIO_LIMIT, u"INTEGER NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_SEEDING_TIME_LIMIT, u"INTEGER NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT, u"INTEGER NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_SHARE_LIMIT_ACTION, u"TEXT NOT NULL DEFAULT `Default`"_s),
+            makeColumnDefinition(DB_COLUMN_HAS_OUTER_PIECES_PRIORITY, u"INTEGER NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_HAS_SEED_STATUS, u"INTEGER NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_OPERATING_MODE, u"TEXT NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_STOPPED, u"INTEGER NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_STOP_CONDITION, u"TEXT NOT NULL DEFAULT `None`"_s),
+            makeColumnDefinition(DB_COLUMN_SSL_CERTIFICATE, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_SSL_PRIVATE_KEY, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_SSL_DH_PARAMS, u"TEXT"_s),
+            makeColumnDefinition(DB_COLUMN_RESUMEDATA, u"BLOB NOT NULL"_s),
+            makeColumnDefinition(DB_COLUMN_METADATA, u"BLOB"_s)
         };
         const QString createTableTorrentsQuery = makeCreateTableStatement(DB_TABLE_TORRENTS, tableTorrentsItems);
         if (!query.exec(createTableTorrentsQuery))
@@ -591,7 +515,7 @@ void BitTorrent::DBResumeDataStorage::updateDB(const int fromVersion) const
 
     try
     {
-        const auto addColumn = [&query](const QString &table, const Column &column, const char *definition)
+        const auto addColumn = [&query](const QString &table, const Column &column, const QString &definition)
         {
             const auto testQuery = u"SELECT COUNT(%1) FROM %2;"_s.arg(quoted(column.name), quoted(table));
             if (query.exec(testQuery))
@@ -603,10 +527,10 @@ void BitTorrent::DBResumeDataStorage::updateDB(const int fromVersion) const
         };
 
         if (fromVersion <= 1)
-            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_DOWNLOAD_PATH, "TEXT");
+            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_DOWNLOAD_PATH, u"TEXT"_s);
 
         if (fromVersion <= 2)
-            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_STOP_CONDITION, "TEXT NOT NULL DEFAULT `None`");
+            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_STOP_CONDITION, u"TEXT NOT NULL DEFAULT `None`"_s);
 
         if (fromVersion <= 3)
         {
@@ -618,17 +542,17 @@ void BitTorrent::DBResumeDataStorage::updateDB(const int fromVersion) const
         }
 
         if (fromVersion <= 4)
-            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT, "INTEGER NOT NULL DEFAULT -2");
+            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT, u"INTEGER NOT NULL DEFAULT -2"_s);
 
         if (fromVersion <= 5)
         {
-            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SSL_CERTIFICATE, "TEXT");
-            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SSL_PRIVATE_KEY, "TEXT");
-            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SSL_DH_PARAMS, "TEXT");
+            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SSL_CERTIFICATE, u"TEXT"_s);
+            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SSL_PRIVATE_KEY, u"TEXT"_s);
+            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SSL_DH_PARAMS, u"TEXT"_s);
         }
 
         if (fromVersion <= 6)
-            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SHARE_LIMIT_ACTION, "TEXT NOT NULL DEFAULT `Default`");
+            addColumn(DB_TABLE_TORRENTS, DB_COLUMN_SHARE_LIMIT_ACTION, u"TEXT NOT NULL DEFAULT `Default`"_s);
 
         if (fromVersion == 7)
         {
@@ -690,6 +614,90 @@ void BitTorrent::DBResumeDataStorage::enableWALMode() const
         throw RuntimeError(tr("WAL mode is probably unsupported due to filesystem limitations."));
 }
 
+LoadResumeDataResult DBResumeDataStorage::parseQueryResultRow(const QSqlQuery &query) const
+{
+    LoadTorrentParams resumeData;
+    resumeData.name = query.value(DB_COLUMN_NAME.name).toString();
+    resumeData.category = query.value(DB_COLUMN_CATEGORY.name).toString();
+    const QString tagsData = query.value(DB_COLUMN_TAGS.name).toString();
+    if (!tagsData.isEmpty())
+    {
+        const QStringList tagList = tagsData.split(u',');
+        resumeData.tags.insert(tagList.cbegin(), tagList.cend());
+    }
+    resumeData.hasFinishedStatus = query.value(DB_COLUMN_HAS_SEED_STATUS.name).toBool();
+    resumeData.firstLastPiecePriority = query.value(DB_COLUMN_HAS_OUTER_PIECES_PRIORITY.name).toBool();
+    resumeData.ratioLimit = query.value(DB_COLUMN_RATIO_LIMIT.name).toInt() / 1000.0;
+    resumeData.seedingTimeLimit = query.value(DB_COLUMN_SEEDING_TIME_LIMIT.name).toInt();
+    resumeData.inactiveSeedingTimeLimit = query.value(DB_COLUMN_INACTIVE_SEEDING_TIME_LIMIT.name).toInt();
+    resumeData.shareLimitAction = Utils::String::toEnum<ShareLimitAction>(
+        query.value(DB_COLUMN_SHARE_LIMIT_ACTION.name).toString(), ShareLimitAction::Default);
+    resumeData.contentLayout = Utils::String::toEnum<TorrentContentLayout>(
+        query.value(DB_COLUMN_CONTENT_LAYOUT.name).toString(), TorrentContentLayout::Original);
+    resumeData.operatingMode = Utils::String::toEnum<TorrentOperatingMode>(
+        query.value(DB_COLUMN_OPERATING_MODE.name).toString(), TorrentOperatingMode::AutoManaged);
+    resumeData.stopped = query.value(DB_COLUMN_STOPPED.name).toBool();
+    resumeData.stopCondition = Utils::String::toEnum(
+        query.value(DB_COLUMN_STOP_CONDITION.name).toString(), Torrent::StopCondition::None);
+    resumeData.sslParameters =
+        {
+            .certificate = QSslCertificate(query.value(DB_COLUMN_SSL_CERTIFICATE.name).toByteArray()),
+            .privateKey = Utils::SSLKey::load(query.value(DB_COLUMN_SSL_PRIVATE_KEY.name).toByteArray()),
+            .dhParams = query.value(DB_COLUMN_SSL_DH_PARAMS.name).toByteArray()
+        };
+
+    resumeData.savePath = Profile::instance()->fromPortablePath(
+        Path(query.value(DB_COLUMN_TARGET_SAVE_PATH.name).toString()));
+    resumeData.useAutoTMM = resumeData.savePath.isEmpty();
+    if (!resumeData.useAutoTMM)
+    {
+        resumeData.downloadPath = Profile::instance()->fromPortablePath(
+            Path(query.value(DB_COLUMN_DOWNLOAD_PATH.name).toString()));
+    }
+
+    const QByteArray bencodedResumeData = query.value(DB_COLUMN_RESUMEDATA.name).toByteArray();
+    const auto *pref = Preferences::instance();
+    const int bdecodeDepthLimit = pref->getBdecodeDepthLimit();
+    const int bdecodeTokenLimit = pref->getBdecodeTokenLimit();
+
+    lt::error_code ec;
+    const lt::bdecode_node resumeDataRoot = lt::bdecode(bencodedResumeData, ec, nullptr, bdecodeDepthLimit, bdecodeTokenLimit);
+    if (ec)
+        return nonstd::make_unexpected(tr("Cannot parse resume data: %1").arg(QString::fromStdString(ec.message())));
+
+    lt::add_torrent_params &p = resumeData.ltAddTorrentParams;
+
+    p = lt::read_resume_data(resumeDataRoot, ec);
+    if (ec)
+        return nonstd::make_unexpected(tr("Cannot parse resume data: %1").arg(QString::fromStdString(ec.message())));
+
+    if (const QByteArray bencodedMetadata = query.value(DB_COLUMN_METADATA.name).toByteArray()
+            ; !bencodedMetadata.isEmpty())
+    {
+        const lt::bdecode_node torentInfoRoot = lt::bdecode(bencodedMetadata, ec
+                , nullptr, bdecodeDepthLimit, bdecodeTokenLimit);
+        if (ec)
+            return nonstd::make_unexpected(tr("Cannot parse torrent info: %1").arg(QString::fromStdString(ec.message())));
+
+        p.ti = std::make_shared<lt::torrent_info>(torentInfoRoot, ec);
+        if (ec)
+            return nonstd::make_unexpected(tr("Cannot parse torrent info: %1").arg(QString::fromStdString(ec.message())));
+    }
+
+    p.save_path = Profile::instance()->fromPortablePath(Path(fromLTString(p.save_path)))
+            .toString().toStdString();
+    if (p.save_path.empty())
+        return nonstd::make_unexpected(tr("Corrupted resume data: %1").arg(tr("save_path is invalid")));
+
+    if (p.flags & lt::torrent_flags::stop_when_ready)
+    {
+        p.flags &= ~lt::torrent_flags::stop_when_ready;
+        resumeData.stopCondition = Torrent::StopCondition::FilesChecked;
+    }
+
+    return resumeData;
+}
+
 BitTorrent::DBResumeDataStorage::Worker::Worker(const Path &dbPath, QReadWriteLock &dbLock, QObject *parent)
     : QThread(parent)
     , m_path {dbPath}
@@ -771,7 +779,7 @@ void BitTorrent::DBResumeDataStorage::Worker::remove(const TorrentID &id)
     addJob(std::make_unique<RemoveJob>(id));
 }
 
-void BitTorrent::DBResumeDataStorage::Worker::storeQueue(const QVector<TorrentID> &queue)
+void BitTorrent::DBResumeDataStorage::Worker::storeQueue(const QList<TorrentID> &queue)
 {
     addJob(std::make_unique<StoreQueueJob>(queue));
 }
@@ -821,7 +829,7 @@ namespace
             }
         }
 
-        QVector<Column> columns {
+        QList<Column> columns {
             DB_COLUMN_TORRENT_ID,
             DB_COLUMN_NAME,
             DB_COLUMN_CATEGORY,
@@ -953,7 +961,7 @@ namespace
         }
     }
 
-    StoreQueueJob::StoreQueueJob(const QVector<TorrentID> &queue)
+    StoreQueueJob::StoreQueueJob(const QList<TorrentID> &queue)
         : m_queue {queue}
     {
     }

src/base/bittorrent/dbresumedatastorage.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2021-2022  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2021-2025  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -31,10 +31,9 @@
 #include <QReadWriteLock>
 
 #include "base/pathfwd.h"
-#include "base/utils/thread.h"
 #include "resumedatastorage.h"
 
-class QThread;
+class QSqlQuery;
 
 namespace BitTorrent
 {
@@ -47,12 +46,12 @@ namespace BitTorrent
         explicit DBResumeDataStorage(const Path &dbPath, QObject *parent = nullptr);
         ~DBResumeDataStorage() override;
 
-        QVector<TorrentID> registeredTorrents() const override;
+        QList<TorrentID> registeredTorrents() const override;
         LoadResumeDataResult load(const TorrentID &id) const override;
 
         void store(const TorrentID &id, const LoadTorrentParams &resumeData) const override;
         void remove(const TorrentID &id) const override;
-        void storeQueue(const QVector<TorrentID> &queue) const override;
+        void storeQueue(const QList<TorrentID> &queue) const override;
 
     private:
         void doLoadAll() const override;
@@ -60,8 +59,7 @@ namespace BitTorrent
         void createDB() const;
         void updateDB(int fromVersion) const;
         void enableWALMode() const;
-
-        Utils::Thread::UniquePtr m_ioThread;
+        LoadResumeDataResult parseQueryResultRow(const QSqlQuery &query) const;
 
         class Worker;
         Worker *m_asyncWorker = nullptr;

src/base/bittorrent/filterparserthread.cpp

@@ -133,7 +133,7 @@ int FilterParserThread::parseDATFilterFile()
         return ruleCount;
     }
 
-    std::vector<char> buffer(BUFFER_SIZE, 0); // seems a bit faster than QVector
+    std::vector<char> buffer(BUFFER_SIZE, 0); // seems a bit faster than QList
     qint64 bytesRead = 0;
     int offset = 0;
     int start = 0;
@@ -297,7 +297,7 @@ int FilterParserThread::parseP2PFilterFile()
         return ruleCount;
     }
 
-    std::vector<char> buffer(BUFFER_SIZE, 0); // seems a bit faster than QVector
+    std::vector<char> buffer(BUFFER_SIZE, 0); // seems a bit faster than QList
     qint64 bytesRead = 0;
     int offset = 0;
     int start = 0;

src/base/bittorrent/infohash.cpp

@@ -29,6 +29,9 @@
 #include "infohash.h"
 
 #include <QHash>
+#include <QString>
+
+#include "base/global.h"
 
 const int TorrentIDTypeId = qRegisterMetaType<BitTorrent::TorrentID>();
 
@@ -86,6 +89,28 @@ BitTorrent::TorrentID BitTorrent::InfoHash::toTorrentID() const
 #endif
 }
 
+QString BitTorrent::InfoHash::toString() const
+{
+    // Returns a string that is suitable for logging purpose
+
+    QString ret;
+    ret.reserve(40 + 64 + 2);  // v1 hash length + v2 hash length + comma
+
+    const SHA1Hash v1Hash = v1();
+    const bool v1IsValid = v1Hash.isValid();
+    if (v1IsValid)
+        ret += v1Hash.toString();
+
+    if (const SHA256Hash v2Hash = v2(); v2Hash.isValid())
+    {
+        if (v1IsValid)
+            ret += u", ";
+        ret += v2Hash.toString();
+    }
+
+    return ret;
+}
+
 BitTorrent::InfoHash::operator WrappedType() const
 {
     return m_nativeHash;

src/base/bittorrent/infohash.h

@@ -36,6 +36,8 @@
 
 #include "base/digest32.h"
 
+class QString;
+
 using SHA1Hash = Digest32<160>;
 using SHA256Hash = Digest32<256>;
 
@@ -79,6 +81,8 @@ namespace BitTorrent
         SHA256Hash v2() const;
         TorrentID toTorrentID() const;
 
+        QString toString() const;
+
         operator WrappedType() const;
 
     private:

src/base/bittorrent/peeraddress.cpp

@@ -39,7 +39,11 @@ PeerAddress PeerAddress::parse(const QStringView address)
     if (address.startsWith(u'[') && address.contains(u"]:"))
     {  // IPv6
         ipPort = address.split(u"]:");
-        ipPort[0] = ipPort[0].mid(1);  // chop '['
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+        ipPort[0].slice(1);  // chop '['
+#else
+        ipPort[0] = ipPort[0].sliced(1);  // chop '['
+#endif
     }
     else if (address.contains(u':'))
     {  // IPv4

src/base/bittorrent/resumedatastorage.cpp

@@ -30,12 +30,12 @@
 
 #include <utility>
 
+#include <QList>
 #include <QMetaObject>
 #include <QMutexLocker>
 #include <QThread>
-#include <QVector>
 
-const int TORRENTIDLIST_TYPEID = qRegisterMetaType<QVector<BitTorrent::TorrentID>>();
+const int TORRENTIDLIST_TYPEID = qRegisterMetaType<QList<BitTorrent::TorrentID>>();
 
 BitTorrent::ResumeDataStorage::ResumeDataStorage(const Path &path, QObject *parent)
     : QObject(parent)
@@ -56,6 +56,7 @@ void BitTorrent::ResumeDataStorage::loadAll() const
     {
         doLoadAll();
     });
+    loadingThread->setObjectName("ResumeDataStorage::loadAll loadingThread");
     connect(loadingThread, &QThread::finished, loadingThread, &QObject::deleteLater);
     loadingThread->start();
 }

src/base/bittorrent/resumedatastorage.h

@@ -58,17 +58,17 @@ namespace BitTorrent
 
         Path path() const;
 
-        virtual QVector<TorrentID> registeredTorrents() const = 0;
+        virtual QList<TorrentID> registeredTorrents() const = 0;
         virtual LoadResumeDataResult load(const TorrentID &id) const = 0;
         virtual void store(const TorrentID &id, const LoadTorrentParams &resumeData) const = 0;
         virtual void remove(const TorrentID &id) const = 0;
-        virtual void storeQueue(const QVector<TorrentID> &queue) const = 0;
+        virtual void storeQueue(const QList<TorrentID> &queue) const = 0;
 
         void loadAll() const;
         QList<LoadedResumeData> fetchLoadedResumeData() const;
 
     signals:
-        void loadStarted(const QVector<BitTorrent::TorrentID> &torrents);
+        void loadStarted(const QList<BitTorrent::TorrentID> &torrents);
         void loadFinished();
 
     protected:

src/base/bittorrent/session.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -34,6 +34,7 @@
 
 #include "base/pathfwd.h"
 #include "base/tagset.h"
+#include "addtorrenterror.h"
 #include "addtorrentparams.h"
 #include "categoryoptions.h"
 #include "sharelimitaction.h"
@@ -237,6 +238,12 @@ namespace BitTorrent
         virtual Path finishedTorrentExportDirectory() const = 0;
         virtual void setFinishedTorrentExportDirectory(const Path &path) = 0;
 
+        virtual bool isAddTrackersFromURLEnabled() const = 0;
+        virtual void setAddTrackersFromURLEnabled(bool enabled) = 0;
+        virtual QString additionalTrackersURL() const = 0;
+        virtual void setAdditionalTrackersURL(const QString &url) = 0;
+        virtual QString additionalTrackersFromURL() const = 0;
+
         virtual int globalDownloadSpeedLimit() const = 0;
         virtual void setGlobalDownloadSpeedLimit(int limit) = 0;
         virtual int globalUploadSpeedLimit() const = 0;
@@ -258,6 +265,8 @@ namespace BitTorrent
         virtual void setPerformanceWarningEnabled(bool enable) = 0;
         virtual int saveResumeDataInterval() const = 0;
         virtual void setSaveResumeDataInterval(int value) = 0;
+        virtual std::chrono::minutes saveStatisticsInterval() const = 0;
+        virtual void setSaveStatisticsInterval(std::chrono::minutes value) = 0;
         virtual int shutdownTimeout() const = 0;
         virtual void setShutdownTimeout(int value) = 0;
         virtual int port() const = 0;
@@ -384,6 +393,8 @@ namespace BitTorrent
         virtual void setIncludeOverheadInLimits(bool include) = 0;
         virtual QString announceIP() const = 0;
         virtual void setAnnounceIP(const QString &ip) = 0;
+        virtual int announcePort() const = 0;
+        virtual void setAnnouncePort(int port) = 0;
         virtual int maxConcurrentHTTPAnnounces() const = 0;
         virtual void setMaxConcurrentHTTPAnnounces(int value) = 0;
         virtual bool isReannounceWhenAddressChangedEnabled() const = 0;
@@ -411,6 +422,8 @@ namespace BitTorrent
         virtual void setUTPRateLimited(bool limited) = 0;
         virtual MixedModeAlgorithm utpMixedMode() const = 0;
         virtual void setUtpMixedMode(MixedModeAlgorithm mode) = 0;
+        virtual int hostnameCacheTTL() const = 0;
+        virtual void setHostnameCacheTTL(int value) = 0;
         virtual bool isIDNSupportEnabled() const = 0;
         virtual void setIDNSupportEnabled(bool enabled) = 0;
         virtual bool multiConnectionsPerIpEnabled() const = 0;
@@ -447,7 +460,7 @@ namespace BitTorrent
 
         virtual Torrent *getTorrent(const TorrentID &id) const = 0;
         virtual Torrent *findTorrent(const InfoHash &infoHash) const = 0;
-        virtual QVector<Torrent *> torrents() const = 0;
+        virtual QList<Torrent *> torrents() const = 0;
         virtual qsizetype torrentsCount() const = 0;
         virtual const SessionStatus &status() const = 0;
         virtual const CacheStatus &cacheStatus() const = 0;
@@ -461,14 +474,19 @@ namespace BitTorrent
         virtual bool downloadMetadata(const TorrentDescriptor &torrentDescr) = 0;
         virtual bool cancelDownloadMetadata(const TorrentID &id) = 0;
 
-        virtual void increaseTorrentsQueuePos(const QVector<TorrentID> &ids) = 0;
-        virtual void decreaseTorrentsQueuePos(const QVector<TorrentID> &ids) = 0;
-        virtual void topTorrentsQueuePos(const QVector<TorrentID> &ids) = 0;
-        virtual void bottomTorrentsQueuePos(const QVector<TorrentID> &ids) = 0;
+        virtual void increaseTorrentsQueuePos(const QList<TorrentID> &ids) = 0;
+        virtual void decreaseTorrentsQueuePos(const QList<TorrentID> &ids) = 0;
+        virtual void topTorrentsQueuePos(const QList<TorrentID> &ids) = 0;
+        virtual void bottomTorrentsQueuePos(const QList<TorrentID> &ids) = 0;
+
+        virtual QString lastExternalIPv4Address() const = 0;
+        virtual QString lastExternalIPv6Address() const = 0;
+
+        virtual qint64 freeDiskSpace() const = 0;
 
     signals:
         void startupProgressUpdated(int progress);
-        void addTorrentFailed(const InfoHash &infoHash, const QString &reason);
+        void addTorrentFailed(const InfoHash &infoHash, const AddTorrentError &reason);
         void allTorrentsFinished();
         void categoryAdded(const QString &categoryName);
         void categoryRemoved(const QString &categoryName);
@@ -495,16 +513,17 @@ namespace BitTorrent
         void torrentStarted(Torrent *torrent);
         void torrentSavePathChanged(Torrent *torrent);
         void torrentSavingModeChanged(Torrent *torrent);
-        void torrentsLoaded(const QVector<Torrent *> &torrents);
-        void torrentsUpdated(const QVector<Torrent *> &torrents);
+        void torrentsLoaded(const QList<Torrent *> &torrents);
+        void torrentsUpdated(const QList<Torrent *> &torrents);
         void torrentTagAdded(Torrent *torrent, const Tag &tag);
         void torrentTagRemoved(Torrent *torrent, const Tag &tag);
         void trackerError(Torrent *torrent, const QString &tracker);
-        void trackersAdded(Torrent *torrent, const QVector<TrackerEntry> &trackers);
+        void trackersAdded(Torrent *torrent, const QList<TrackerEntry> &trackers);
         void trackersChanged(Torrent *torrent);
         void trackersRemoved(Torrent *torrent, const QStringList &trackers);
         void trackerSuccess(Torrent *torrent, const QString &tracker);
         void trackerWarning(Torrent *torrent, const QString &tracker);
         void trackerEntryStatusesUpdated(Torrent *torrent, const QHash<QString, TrackerEntryStatus> &updatedTrackers);
+        void freeDiskSpaceChecked(qint64 result);
     };
 }

src/base/bittorrent/sessionimpl.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -30,7 +30,6 @@
 #include "sessionimpl.h"
 
 #include <algorithm>
-#include <chrono>
 #include <cstdint>
 #include <ctime>
 #include <queue>
@@ -58,6 +57,7 @@
 #include <libtorrent/session_status.hpp>
 #include <libtorrent/torrent_info.hpp>
 
+#include <QDateTime>
 #include <QDeadlineTimer>
 #include <QDebug>
 #include <QDir>
@@ -72,13 +72,14 @@
 #include <QRegularExpression>
 #include <QString>
 #include <QThread>
-#include <QThreadPool>
 #include <QTimer>
 #include <QUuid>
 
 #include "base/algorithm.h"
+#include "base/freediskspacechecker.h"
 #include "base/global.h"
 #include "base/logger.h"
+#include "base/net/downloadmanager.h"
 #include "base/net/proxyconfigurationmanager.h"
 #include "base/preferences.h"
 #include "base/profile.h"
@@ -88,6 +89,7 @@
 #include "base/utils/net.h"
 #include "base/utils/number.h"
 #include "base/utils/random.h"
+#include "base/utils/string.h"
 #include "base/version.h"
 #include "bandwidthscheduler.h"
 #include "bencoderesumedatastorage.h"
@@ -107,19 +109,20 @@
 #include "torrentimpl.h"
 #include "tracker.h"
 #include "trackerentry.h"
+#include "trackerentrystatus.h"
 
 using namespace std::chrono_literals;
 using namespace BitTorrent;
 
 const Path CATEGORIES_FILE_NAME {u"categories.json"_s};
 const int MAX_PROCESSING_RESUMEDATA_COUNT = 50;
-const int STATISTICS_SAVE_INTERVAL = std::chrono::milliseconds(15min).count();
+const std::chrono::seconds FREEDISKSPACE_CHECK_TIMEOUT = 30s;
 
 namespace
 {
     const char PEER_ID[] = "qB";
     const auto USER_AGENT = QStringLiteral("qBittorrent/" QBT_VERSION_2);
-    const QString DEFAULT_DHT_BOOTSTRAP_NODES = u"dht.libtorrent.org:25401, dht.transmissionbt.com:6881, router.bittorrent.com:6881, router.utorrent.com:6881, dht.aelitis.com:6881"_s;
+    const QString DEFAULT_DHT_BOOTSTRAP_NODES = u"dht.libtorrent.org:25401, dht.transmissionbt.com:6881, router.bittorrent.com:6881"_s;
 
     void torrentQueuePositionUp(const lt::torrent_handle &handle)
     {
@@ -225,7 +228,7 @@ namespace
     {
         try
         {
-            return QString::fromLatin1(address.to_string().c_str());
+            return Utils::String::fromLatin1(address.to_string());
         }
         catch (const std::exception &)
         {
@@ -299,14 +302,15 @@ namespace
     {
         switch (mode)
         {
-        default:
-            Q_ASSERT(false);
         case MoveStorageMode::FailIfExist:
             return lt::move_flags_t::fail_if_exist;
         case MoveStorageMode::KeepExistingFiles:
             return lt::move_flags_t::dont_replace;
         case MoveStorageMode::Overwrite:
             return lt::move_flags_t::always_replace_files;
+        default:
+            Q_UNREACHABLE();
+            break;
         }
     }
 }
@@ -361,7 +365,7 @@ QString Session::subcategoryName(const QString &category)
 {
     const int sepIndex = category.lastIndexOf(u'/');
     if (sepIndex >= 0)
-        return category.mid(sepIndex + 1);
+        return category.sliced(sepIndex + 1);
 
     return category;
 }
@@ -370,7 +374,7 @@ QString Session::parentCategoryName(const QString &category)
 {
     const int sepIndex = category.lastIndexOf(u'/');
     if (sepIndex >= 0)
-        return category.left(sepIndex);
+        return category.first(sepIndex);
 
     return {};
 }
@@ -381,7 +385,7 @@ QStringList Session::expandCategory(const QString &category)
     int index = 0;
     while ((index = category.indexOf(u'/', index)) >= 0)
     {
-        result << category.left(index);
+        result << category.first(index);
         ++index;
     }
     result << category;
@@ -443,6 +447,7 @@ SessionImpl::SessionImpl(QObject *parent)
     , m_ignoreLimitsOnLAN(BITTORRENT_SESSION_KEY(u"IgnoreLimitsOnLAN"_s), false)
     , m_includeOverheadInLimits(BITTORRENT_SESSION_KEY(u"IncludeOverheadInLimits"_s), false)
     , m_announceIP(BITTORRENT_SESSION_KEY(u"AnnounceIP"_s))
+    , m_announcePort(BITTORRENT_SESSION_KEY(u"AnnouncePort"_s), 0)
     , m_maxConcurrentHTTPAnnounces(BITTORRENT_SESSION_KEY(u"MaxConcurrentHTTPAnnounces"_s), 50)
     , m_isReannounceWhenAddressChangedEnabled(BITTORRENT_SESSION_KEY(u"ReannounceWhenAddressChanged"_s), false)
     , m_stopTrackerTimeout(BITTORRENT_SESSION_KEY(u"StopTrackerTimeout"_s), 2)
@@ -455,6 +460,7 @@ SessionImpl::SessionImpl(QObject *parent)
     , m_isUTPRateLimited(BITTORRENT_SESSION_KEY(u"uTPRateLimited"_s), true)
     , m_utpMixedMode(BITTORRENT_SESSION_KEY(u"uTPMixedMode"_s), MixedModeAlgorithm::TCP
         , clampValue(MixedModeAlgorithm::TCP, MixedModeAlgorithm::Proportional))
+    , m_hostnameCacheTTL(BITTORRENT_SESSION_KEY(u"HostnameCacheTTL"_s), 1200)
     , m_IDNSupportEnabled(BITTORRENT_SESSION_KEY(u"IDNSupportEnabled"_s), false)
     , m_multiConnectionsPerIpEnabled(BITTORRENT_SESSION_KEY(u"MultiConnectionsPerIp"_s), false)
     , m_validateHTTPSTrackerCertificate(BITTORRENT_SESSION_KEY(u"ValidateHTTPSTrackerCertificate"_s), true)
@@ -462,9 +468,13 @@ SessionImpl::SessionImpl(QObject *parent)
     , m_blockPeersOnPrivilegedPorts(BITTORRENT_SESSION_KEY(u"BlockPeersOnPrivilegedPorts"_s), false)
     , m_isAddTrackersEnabled(BITTORRENT_SESSION_KEY(u"AddTrackersEnabled"_s), false)
     , m_additionalTrackers(BITTORRENT_SESSION_KEY(u"AdditionalTrackers"_s))
+    , m_isAddTrackersFromURLEnabled(BITTORRENT_SESSION_KEY(u"AddTrackersFromURLEnabled"_s), false)
+    , m_additionalTrackersURL(BITTORRENT_SESSION_KEY(u"AdditionalTrackersURL"_s))
     , m_globalMaxRatio(BITTORRENT_SESSION_KEY(u"GlobalMaxRatio"_s), -1, [](qreal r) { return r < 0 ? -1. : r;})
-    , m_globalMaxSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxSeedingMinutes"_s), -1, lowerLimited(-1))
-    , m_globalMaxInactiveSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxInactiveSeedingMinutes"_s), -1, lowerLimited(-1))
+    , m_globalMaxSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxSeedingMinutes"_s), Torrent::NO_SEEDING_TIME_LIMIT
+        , clampValue(Torrent::NO_SEEDING_TIME_LIMIT, Torrent::MAX_SEEDING_TIME))
+    , m_globalMaxInactiveSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxInactiveSeedingMinutes"_s), Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT
+        , clampValue(Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT, Torrent::MAX_INACTIVE_SEEDING_TIME))
     , m_isAddTorrentToQueueTop(BITTORRENT_SESSION_KEY(u"AddTorrentToTopOfQueue"_s), false)
     , m_isAddTorrentStopped(BITTORRENT_SESSION_KEY(u"AddTorrentStopped"_s), false)
     , m_torrentStopCondition(BITTORRENT_SESSION_KEY(u"TorrentStopCondition"_s), Torrent::StopCondition::None)
@@ -483,6 +493,7 @@ SessionImpl::SessionImpl(QObject *parent)
     , m_isBandwidthSchedulerEnabled(BITTORRENT_SESSION_KEY(u"BandwidthSchedulerEnabled"_s), false)
     , m_isPerformanceWarningEnabled(BITTORRENT_SESSION_KEY(u"PerformanceWarning"_s), false)
     , m_saveResumeDataInterval(BITTORRENT_SESSION_KEY(u"SaveResumeDataInterval"_s), 60)
+    , m_saveStatisticsInterval(BITTORRENT_SESSION_KEY(u"SaveStatisticsInterval"_s), 15)
     , m_shutdownTimeout(BITTORRENT_SESSION_KEY(u"ShutdownTimeout"_s), -1)
     , m_port(BITTORRENT_SESSION_KEY(u"Port"_s), -1)
     , m_sslEnabled(BITTORRENT_SESSION_KEY(u"SSL/Enabled"_s), false)
@@ -534,9 +545,14 @@ SessionImpl::SessionImpl(QObject *parent)
     , m_ioThread {new QThread}
     , m_asyncWorker {new QThreadPool(this)}
     , m_recentErroredTorrentsTimer {new QTimer(this)}
+    , m_freeDiskSpaceChecker {new FreeDiskSpaceChecker(savePath())}
+    , m_freeDiskSpaceCheckingTimer {new QTimer(this)}
 {
     // It is required to perform async access to libtorrent sequentially
     m_asyncWorker->setMaxThreadCount(1);
+    m_asyncWorker->setObjectName("SessionImpl m_asyncWorker");
+
+    m_alerts.reserve(1024);
 
     if (port() < 0)
         m_port = Utils::Random::rand(1024, 65535);
@@ -591,6 +607,18 @@ SessionImpl::SessionImpl(QObject *parent)
         , &Net::ProxyConfigurationManager::proxyConfigurationChanged
         , this, &SessionImpl::configureDeferred);
 
+    m_freeDiskSpaceChecker->moveToThread(m_ioThread.get());
+    connect(m_ioThread.get(), &QThread::finished, m_freeDiskSpaceChecker, &QObject::deleteLater);
+    m_freeDiskSpaceCheckingTimer->setInterval(FREEDISKSPACE_CHECK_TIMEOUT);
+    m_freeDiskSpaceCheckingTimer->setSingleShot(true);
+    connect(m_freeDiskSpaceCheckingTimer, &QTimer::timeout, m_freeDiskSpaceChecker, &FreeDiskSpaceChecker::check);
+    connect(m_freeDiskSpaceChecker, &FreeDiskSpaceChecker::checked, this, [this](const qint64 value)
+    {
+        m_freeDiskSpace = value;
+        m_freeDiskSpaceCheckingTimer->start();
+        emit freeDiskSpaceChecked(m_freeDiskSpace);
+    });
+
     m_fileSearcher = new FileSearcher;
     m_fileSearcher->moveToThread(m_ioThread.get());
     connect(m_ioThread.get(), &QThread::finished, m_fileSearcher, &QObject::deleteLater);
@@ -601,8 +629,11 @@ SessionImpl::SessionImpl(QObject *parent)
     connect(m_ioThread.get(), &QThread::finished, m_torrentContentRemover, &QObject::deleteLater);
     connect(m_torrentContentRemover, &TorrentContentRemover::jobFinished, this, &SessionImpl::torrentContentRemovingFinished);
 
+    m_ioThread->setObjectName("SessionImpl m_ioThread");
     m_ioThread->start();
 
+    QMetaObject::invokeMethod(m_freeDiskSpaceChecker, &FreeDiskSpaceChecker::check);
+
     initMetrics();
     loadStatistics();
 
@@ -613,6 +644,15 @@ SessionImpl::SessionImpl(QObject *parent)
     enableTracker(isTrackerEnabled());
 
     prepareStartup();
+
+    m_updateTrackersFromURLTimer = new QTimer(this);
+    m_updateTrackersFromURLTimer->setInterval(24h);
+    connect(m_updateTrackersFromURLTimer, &QTimer::timeout, this, &SessionImpl::updateTrackersFromURL);
+    if (isAddTrackersFromURLEnabled())
+    {
+        updateTrackersFromURL();
+        m_updateTrackersFromURLTimer->start();
+    }
 }
 
 SessionImpl::~SessionImpl()
@@ -660,6 +700,7 @@ SessionImpl::~SessionImpl()
         qDebug("Deleting libtorrent session...");
         delete nativeSessionProxy;
     });
+    sessionTerminateThread->setObjectName("~SessionImpl sessionTerminateThread");
     connect(sessionTerminateThread, &QThread::finished, sessionTerminateThread, &QObject::deleteLater);
     sessionTerminateThread->start();
     if (sessionTerminateThread->wait(shutdownDeadlineTimer))
@@ -954,23 +995,25 @@ bool SessionImpl::editCategory(const QString &name, const CategoryOptions &optio
     if (options == currentOptions)
         return false;
 
-    currentOptions = options;
-    storeCategories();
     if (isDisableAutoTMMWhenCategorySavePathChanged())
     {
+        // This should be done before changing the category options
+        // to prevent the torrent from being moved at the new save path.
+
         for (TorrentImpl *const torrent : asConst(m_torrents))
         {
             if (torrent->category() == name)
                 torrent->setAutoTMMEnabled(false);
         }
     }
-    else
+
+    currentOptions = options;
+    storeCategories();
+
+    for (TorrentImpl *const torrent : asConst(m_torrents))
     {
-        for (TorrentImpl *const torrent : asConst(m_torrents))
-        {
-            if (torrent->category() == name)
-                torrent->handleCategoryOptionsChanged();
-        }
+        if (torrent->category() == name)
+            torrent->handleCategoryOptionsChanged();
     }
 
     emit categoryOptionsChanged(name);
@@ -1214,8 +1257,7 @@ int SessionImpl::globalMaxSeedingMinutes() const
 
 void SessionImpl::setGlobalMaxSeedingMinutes(int minutes)
 {
-    if (minutes < 0)
-        minutes = -1;
+    minutes = std::clamp(minutes, Torrent::NO_SEEDING_TIME_LIMIT, Torrent::MAX_SEEDING_TIME);
 
     if (minutes != globalMaxSeedingMinutes())
     {
@@ -1231,7 +1273,7 @@ int SessionImpl::globalMaxInactiveSeedingMinutes() const
 
 void SessionImpl::setGlobalMaxInactiveSeedingMinutes(int minutes)
 {
-    minutes = std::max(minutes, -1);
+    minutes = std::clamp(minutes, Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT, Torrent::MAX_INACTIVE_SEEDING_TIME);
 
     if (minutes != globalMaxInactiveSeedingMinutes())
     {
@@ -1307,7 +1349,7 @@ void SessionImpl::prepareStartup()
         context->startupStorage = m_resumeDataStorage;
 
     connect(context->startupStorage, &ResumeDataStorage::loadStarted, context
-            , [this, context](const QVector<TorrentID> &torrents)
+            , [this, context](const QList<TorrentID> &torrents)
     {
         context->totalResumeDataCount = torrents.size();
 #ifdef QBT_USES_LIBTORRENT2
@@ -1597,20 +1639,24 @@ void SessionImpl::endStartup(ResumeSessionContext *context)
             m_resumeDataTimer->start();
         }
 
-        m_wakeupCheckTimer = new QTimer(this);
-        connect(m_wakeupCheckTimer, &QTimer::timeout, this, [this]
+        auto wakeupCheckTimer = new QTimer(this);
+        connect(wakeupCheckTimer, &QTimer::timeout, this, [this]
         {
-            const auto now = QDateTime::currentDateTime();
-            if (m_wakeupCheckTimestamp.secsTo(now) > 100)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+            const bool hasSystemSlept = m_wakeupCheckTimestamp.durationElapsed() > 100s;
+#else
+            const bool hasSystemSlept = m_wakeupCheckTimestamp.elapsed() > std::chrono::milliseconds(100s).count();
+#endif
+            if (hasSystemSlept)
             {
                 LogMsg(tr("System wake-up event detected. Re-announcing to all the trackers..."));
                 reannounceToAllTrackers();
             }
 
-            m_wakeupCheckTimestamp = now;
+            m_wakeupCheckTimestamp.start();
         });
-        m_wakeupCheckTimestamp = QDateTime::currentDateTime();
-        m_wakeupCheckTimer->start(30s);
+        m_wakeupCheckTimestamp.start();
+        wakeupCheckTimer->start(30s);
 
         m_isRestored = true;
         emit startupProgressUpdated(100);
@@ -1981,6 +2027,10 @@ lt::settings_pack SessionImpl::loadLTSettings() const
     settingsPack.set_bool(lt::settings_pack::rate_limit_ip_overhead, includeOverheadInLimits());
     // IP address to announce to trackers
     settingsPack.set_str(lt::settings_pack::announce_ip, announceIP().toStdString());
+#if LIBTORRENT_VERSION_NUM >= 20011
+    // Port to announce to trackers
+    settingsPack.set_int(lt::settings_pack::announce_port, announcePort());
+#endif
     // Max concurrent HTTP announces
     settingsPack.set_int(lt::settings_pack::max_concurrent_http_announces, maxConcurrentHTTPAnnounces());
     // Stop tracker timeout
@@ -2026,6 +2076,8 @@ lt::settings_pack SessionImpl::loadLTSettings() const
         break;
     }
 
+    settingsPack.set_int(lt::settings_pack::resolver_cache_timeout, hostnameCacheTTL());
+
     settingsPack.set_bool(lt::settings_pack::allow_idna, isIDNSupportEnabled());
 
     settingsPack.set_bool(lt::settings_pack::allow_multiple_connections_per_ip, multiConnectionsPerIpEnabled());
@@ -2259,6 +2311,11 @@ void SessionImpl::populateAdditionalTrackers()
     m_additionalTrackerEntries = parseTrackerEntries(additionalTrackers());
 }
 
+void SessionImpl::populateAdditionalTrackersFromURL()
+{
+    m_additionalTrackerEntriesFromURL = parseTrackerEntries(additionalTrackersFromURL());
+}
+
 void SessionImpl::processTorrentShareLimits(TorrentImpl *torrent)
 {
     if (!torrent->isFinished() || torrent->isForced())
@@ -2428,12 +2485,12 @@ bool SessionImpl::removeTorrent(const TorrentID &id, const TorrentRemoveOption d
         m_removingTorrents[torrentID] = {torrentName, torrent->actualStorageLocation(), {}, deleteOption};
 
         const lt::torrent_handle nativeHandle {torrent->nativeHandle()};
-        const auto iter = std::find_if(m_moveStorageQueue.begin(), m_moveStorageQueue.end()
+        const auto iter = std::find_if(m_moveStorageQueue.cbegin(), m_moveStorageQueue.cend()
             , [&nativeHandle](const MoveStorageJob &job)
         {
             return job.torrentHandle == nativeHandle;
         });
-        if (iter != m_moveStorageQueue.end())
+        if (iter != m_moveStorageQueue.cend())
         {
             // We shouldn't actually remove torrent until existing "move storage jobs" are done
             torrentQueuePositionBottom(nativeHandle);
@@ -2453,12 +2510,12 @@ bool SessionImpl::removeTorrent(const TorrentID &id, const TorrentRemoveOption d
         {
             // Delete "move storage job" for the deleted torrent
             // (note: we shouldn't delete active job)
-            const auto iter = std::find_if((m_moveStorageQueue.begin() + 1), m_moveStorageQueue.end()
+            const auto iter = std::find_if((m_moveStorageQueue.cbegin() + 1), m_moveStorageQueue.cend()
                 , [torrent](const MoveStorageJob &job)
             {
                 return job.torrentHandle == torrent->nativeHandle();
             });
-            if (iter != m_moveStorageQueue.end())
+            if (iter != m_moveStorageQueue.cend())
                 m_moveStorageQueue.erase(iter);
         }
 
@@ -2475,8 +2532,8 @@ bool SessionImpl::removeTorrent(const TorrentID &id, const TorrentRemoveOption d
 
 bool SessionImpl::cancelDownloadMetadata(const TorrentID &id)
 {
-    const auto downloadedMetadataIter = m_downloadedMetadata.find(id);
-    if (downloadedMetadataIter == m_downloadedMetadata.end())
+    const auto downloadedMetadataIter = m_downloadedMetadata.constFind(id);
+    if (downloadedMetadataIter == m_downloadedMetadata.cend())
         return false;
 
     const lt::torrent_handle nativeHandle = downloadedMetadataIter.value();
@@ -2500,7 +2557,7 @@ bool SessionImpl::cancelDownloadMetadata(const TorrentID &id)
     return true;
 }
 
-void SessionImpl::increaseTorrentsQueuePos(const QVector<TorrentID> &ids)
+void SessionImpl::increaseTorrentsQueuePos(const QList<TorrentID> &ids)
 {
     using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType
@@ -2527,7 +2584,7 @@ void SessionImpl::increaseTorrentsQueuePos(const QVector<TorrentID> &ids)
     m_torrentsQueueChanged = true;
 }
 
-void SessionImpl::decreaseTorrentsQueuePos(const QVector<TorrentID> &ids)
+void SessionImpl::decreaseTorrentsQueuePos(const QList<TorrentID> &ids)
 {
     using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType> torrentQueue;
@@ -2555,7 +2612,7 @@ void SessionImpl::decreaseTorrentsQueuePos(const QVector<TorrentID> &ids)
     m_torrentsQueueChanged = true;
 }
 
-void SessionImpl::topTorrentsQueuePos(const QVector<TorrentID> &ids)
+void SessionImpl::topTorrentsQueuePos(const QList<TorrentID> &ids)
 {
     using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType> torrentQueue;
@@ -2580,7 +2637,7 @@ void SessionImpl::topTorrentsQueuePos(const QVector<TorrentID> &ids)
     m_torrentsQueueChanged = true;
 }
 
-void SessionImpl::bottomTorrentsQueuePos(const QVector<TorrentID> &ids)
+void SessionImpl::bottomTorrentsQueuePos(const QList<TorrentID> &ids)
 {
     using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType
@@ -2616,9 +2673,9 @@ void SessionImpl::handleTorrentResumeDataRequested(const TorrentImpl *torrent)
     ++m_numResumeData;
 }
 
-QVector<Torrent *> SessionImpl::torrents() const
+QList<Torrent *> SessionImpl::torrents() const
 {
-    QVector<Torrent *> result;
+    QList<Torrent *> result;
     result.reserve(m_torrents.size());
     for (TorrentImpl *torrent : asConst(m_torrents))
         result << torrent;
@@ -2718,7 +2775,10 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
     // We should not add the torrent if it is already
     // processed or is pending to add to session
     if (m_loadingTorrents.contains(id) || (infoHash.isHybrid() && m_loadingTorrents.contains(altID)))
+    {
+        emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, tr("Duplicate torrent")});
         return false;
+    }
 
     if (Torrent *torrent = findTorrent(infoHash))
     {
@@ -2732,16 +2792,20 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
 
         if (!isMergeTrackersEnabled())
         {
-            LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: %1. Result: %2")
-                    .arg(torrent->name(), tr("Merging of trackers is disabled")));
+            const QString message = tr("Merging of trackers is disabled");
+            LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: \"%1\". Torrent infohash: %2. Result: %3")
+                    .arg(torrent->name(), torrent->infoHash().toString(), message));
+            emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, message});
             return false;
         }
 
         const bool isPrivate = torrent->isPrivate() || (hasMetadata && source.info()->isPrivate());
         if (isPrivate)
         {
-            LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: %1. Result: %2")
-                    .arg(torrent->name(), tr("Trackers cannot be merged because it is a private torrent")));
+            const QString message = tr("Trackers cannot be merged because it is a private torrent");
+            LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: \"%1\". Torrent infohash: %2. Result: %3")
+                    .arg(torrent->name(), torrent->infoHash().toString(), message));
+            emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, message});
             return false;
         }
 
@@ -2749,8 +2813,10 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
         torrent->addTrackers(source.trackers());
         torrent->addUrlSeeds(source.urlSeeds());
 
-        LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: %1. Result: %2")
-                .arg(torrent->name(), tr("Trackers are merged from new source")));
+        const QString message = tr("Trackers are merged from new source");
+        LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: \"%1\". Torrent infohash: %2. Result: %3")
+                .arg(torrent->name(), torrent->infoHash().toString(), message));
+        emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, message});
         return false;
     }
 
@@ -2878,6 +2944,21 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
         }
     }
 
+    if (isAddTrackersFromURLEnabled() && !(hasMetadata && p.ti->priv()))
+    {
+        const auto maxTierIter = std::max_element(p.tracker_tiers.cbegin(), p.tracker_tiers.cend());
+        const int baseTier = (maxTierIter != p.tracker_tiers.cend()) ? (*maxTierIter + 1) : 0;
+
+        p.trackers.reserve(p.trackers.size() + static_cast<std::size_t>(m_additionalTrackerEntriesFromURL.size()));
+        p.tracker_tiers.reserve(p.trackers.size() + static_cast<std::size_t>(m_additionalTrackerEntriesFromURL.size()));
+        p.tracker_tiers.resize(p.trackers.size(), 0);
+        for (const TrackerEntry &trackerEntry : asConst(m_additionalTrackerEntriesFromURL))
+        {
+            p.trackers.emplace_back(trackerEntry.url.toStdString());
+            p.tracker_tiers.emplace_back(Utils::Number::clampingAdd(trackerEntry.tier, baseTier));
+        }
+    }
+
     p.upload_limit = addTorrentParams.uploadLimit;
     p.download_limit = addTorrentParams.downloadLimit;
 
@@ -3012,11 +3093,6 @@ void SessionImpl::removeMappedPorts(const QSet<quint16> &ports)
     });
 }
 
-void SessionImpl::invokeAsync(std::function<void ()> func)
-{
-    m_asyncWorker->start(std::move(func));
-}
-
 // Add a torrent to libtorrent session in hidden mode
 // and force it to download its metadata
 bool SessionImpl::downloadMetadata(const TorrentDescriptor &torrentDescr)
@@ -3151,10 +3227,10 @@ void SessionImpl::saveResumeData()
             break;
         }
 
-        const std::vector<lt::alert *> alerts = getPendingAlerts(waitTime);
+        fetchPendingAlerts(waitTime);
 
         bool hasWantedAlert = false;
-        for (const lt::alert *alert : alerts)
+        for (const lt::alert *alert : m_alerts)
         {
             if (const int alertType = alert->type();
                 (alertType == lt::save_resume_data_alert::alert_type) || (alertType == lt::save_resume_data_failed_alert::alert_type)
@@ -3174,7 +3250,7 @@ void SessionImpl::saveResumeData()
 
 void SessionImpl::saveTorrentsQueue()
 {
-    QVector<TorrentID> queue;
+    QList<TorrentID> queue;
     for (const TorrentImpl *torrent : asConst(m_torrents))
     {
         if (const int queuePos = torrent->queuePosition(); queuePos >= 0)
@@ -3204,6 +3280,9 @@ void SessionImpl::setSavePath(const Path &path)
 
     if (isDisableAutoTMMWhenDefaultSavePathChanged())
     {
+        // This should be done before changing the save path
+        // to prevent the torrent from being moved at the new save path.
+
         QSet<QString> affectedCatogories {{}}; // includes default (unnamed) category
         for (auto it = m_categories.cbegin(); it != m_categories.cend(); ++it)
         {
@@ -3223,6 +3302,14 @@ void SessionImpl::setSavePath(const Path &path)
     m_savePath = newPath;
     for (TorrentImpl *const torrent : asConst(m_torrents))
         torrent->handleCategoryOptionsChanged();
+
+    m_freeDiskSpace = -1;
+    m_freeDiskSpaceCheckingTimer->stop();
+    QMetaObject::invokeMethod(m_freeDiskSpaceChecker, [checker = m_freeDiskSpaceChecker, pathToCheck = m_savePath]
+    {
+        checker->setPathToCheck(pathToCheck);
+        checker->check();
+    });
 }
 
 void SessionImpl::setDownloadPath(const Path &path)
@@ -3233,6 +3320,9 @@ void SessionImpl::setDownloadPath(const Path &path)
 
     if (isDisableAutoTMMWhenDefaultSavePathChanged())
     {
+        // This should be done before changing the save path
+        // to prevent the torrent from being moved at the new save path.
+
         QSet<QString> affectedCatogories {{}}; // includes default (unnamed) category
         for (auto it = m_categories.cbegin(); it != m_categories.cend(); ++it)
         {
@@ -3559,6 +3649,16 @@ void SessionImpl::setSaveResumeDataInterval(const int value)
     }
 }
 
+std::chrono::minutes SessionImpl::saveStatisticsInterval() const
+{
+    return std::chrono::minutes(m_saveStatisticsInterval);
+}
+
+void SessionImpl::setSaveStatisticsInterval(const std::chrono::minutes timeInMinutes)
+{
+    m_saveStatisticsInterval = timeInMinutes.count();
+}
+
 int SessionImpl::shutdownTimeout() const
 {
     return m_shutdownTimeout;
@@ -3865,6 +3965,82 @@ void SessionImpl::setAdditionalTrackers(const QString &trackers)
     populateAdditionalTrackers();
 }
 
+bool SessionImpl::isAddTrackersFromURLEnabled() const
+{
+    return m_isAddTrackersFromURLEnabled;
+}
+
+void SessionImpl::setAddTrackersFromURLEnabled(const bool enabled)
+{
+    if (enabled != isAddTrackersFromURLEnabled())
+    {
+        m_isAddTrackersFromURLEnabled = enabled;
+        if (enabled)
+        {
+            updateTrackersFromURL();
+            m_updateTrackersFromURLTimer->start();
+        }
+        else
+        {
+            m_updateTrackersFromURLTimer->stop();
+            setAdditionalTrackersFromURL({});
+        }
+    }
+}
+
+QString SessionImpl::additionalTrackersURL() const
+{
+    return m_additionalTrackersURL;
+}
+
+void SessionImpl::setAdditionalTrackersURL(const QString &url)
+{
+    if (url != additionalTrackersURL())
+    {
+        m_additionalTrackersURL = url.trimmed();
+        if (isAddTrackersFromURLEnabled())
+            updateTrackersFromURL();
+    }
+}
+
+QString SessionImpl::additionalTrackersFromURL() const
+{
+    return m_additionalTrackersFromURL;
+}
+
+void SessionImpl::setAdditionalTrackersFromURL(const QString &trackers)
+{
+    if (trackers != additionalTrackersFromURL())
+    {
+        m_additionalTrackersFromURL = trackers;
+        populateAdditionalTrackersFromURL();
+    }
+}
+
+void SessionImpl::updateTrackersFromURL()
+{
+    const QString url = additionalTrackersURL();
+    if (url.isEmpty())
+    {
+        setAdditionalTrackersFromURL({});
+    }
+    else
+    {
+        Net::DownloadManager::instance()->download(Net::DownloadRequest(url)
+                , Preferences::instance()->useProxyForGeneralPurposes(), this, [this](const Net::DownloadResult &result)
+        {
+            if (result.status == Net::DownloadStatus::Success)
+            {
+                setAdditionalTrackersFromURL(QString::fromUtf8(result.data));
+                LogMsg(tr("Tracker list updated"), Log::INFO);
+                return;
+            }
+
+            LogMsg(tr("Failed to update tracker list. Reason: \"%1\"").arg(result.errorString), Log::WARNING);
+        });
+    }
+}
+
 bool SessionImpl::isIPFilteringEnabled() const
 {
     return m_isIPFilteringEnabled;
@@ -4755,6 +4931,20 @@ void SessionImpl::setAnnounceIP(const QString &ip)
     }
 }
 
+int SessionImpl::announcePort() const
+{
+    return m_announcePort;
+}
+
+void SessionImpl::setAnnouncePort(const int port)
+{
+    if (port != m_announcePort)
+    {
+        m_announcePort = port;
+        configureDeferred();
+    }
+}
+
 int SessionImpl::maxConcurrentHTTPAnnounces() const
 {
     return m_maxConcurrentHTTPAnnounces;
@@ -4881,6 +5071,20 @@ void SessionImpl::setUtpMixedMode(const MixedModeAlgorithm mode)
     configureDeferred();
 }
 
+int SessionImpl::hostnameCacheTTL() const
+{
+    return m_hostnameCacheTTL;
+}
+
+void SessionImpl::setHostnameCacheTTL(const int value)
+{
+    if (value == hostnameCacheTTL())
+        return;
+
+    m_hostnameCacheTTL = value;
+    configureDeferred();
+}
+
 bool SessionImpl::isIDNSupportEnabled() const
 {
     return m_IDNSupportEnabled;
@@ -4960,6 +5164,21 @@ void SessionImpl::setTrackerFilteringEnabled(const bool enabled)
     }
 }
 
+QString SessionImpl::lastExternalIPv4Address() const
+{
+    return m_lastExternalIPv4Address;
+}
+
+QString SessionImpl::lastExternalIPv6Address() const
+{
+    return m_lastExternalIPv6Address;
+}
+
+qint64 SessionImpl::freeDiskSpace() const
+{
+    return m_freeDiskSpace;
+}
+
 bool SessionImpl::isListening() const
 {
     return m_nativeSessionExtension->isSessionListening();
@@ -5041,7 +5260,7 @@ void SessionImpl::handleTorrentSavingModeChanged(TorrentImpl *const torrent)
     emit torrentSavingModeChanged(torrent);
 }
 
-void SessionImpl::handleTorrentTrackersAdded(TorrentImpl *const torrent, const QVector<TrackerEntry> &newTrackers)
+void SessionImpl::handleTorrentTrackersAdded(TorrentImpl *const torrent, const QList<TrackerEntry> &newTrackers)
 {
     for (const TrackerEntry &newTracker : newTrackers)
         LogMsg(tr("Added tracker to torrent. Torrent: \"%1\". Tracker: \"%2\"").arg(torrent->name(), newTracker.url));
@@ -5060,13 +5279,13 @@ void SessionImpl::handleTorrentTrackersChanged(TorrentImpl *const torrent)
     emit trackersChanged(torrent);
 }
 
-void SessionImpl::handleTorrentUrlSeedsAdded(TorrentImpl *const torrent, const QVector<QUrl> &newUrlSeeds)
+void SessionImpl::handleTorrentUrlSeedsAdded(TorrentImpl *const torrent, const QList<QUrl> &newUrlSeeds)
 {
     for (const QUrl &newUrlSeed : newUrlSeeds)
         LogMsg(tr("Added URL seed to torrent. Torrent: \"%1\". URL: \"%2\"").arg(torrent->name(), newUrlSeed.toString()));
 }
 
-void SessionImpl::handleTorrentUrlSeedsRemoved(TorrentImpl *const torrent, const QVector<QUrl> &urlSeeds)
+void SessionImpl::handleTorrentUrlSeedsRemoved(TorrentImpl *const torrent, const QList<QUrl> &urlSeeds)
 {
     for (const QUrl &urlSeed : urlSeeds)
         LogMsg(tr("Removed URL seed from torrent. Torrent: \"%1\". URL: \"%2\"").arg(torrent->name(), urlSeed.toString()));
@@ -5084,7 +5303,7 @@ void SessionImpl::handleTorrentStopped(TorrentImpl *const torrent)
 {
     torrent->resetTrackerEntryStatuses();
 
-    const QVector<TrackerEntryStatus> trackers = torrent->trackers();
+    const QList<TrackerEntryStatus> trackers = torrent->trackers();
     QHash<QString, TrackerEntryStatus> updatedTrackers;
     updatedTrackers.reserve(trackers.size());
 
@@ -5115,8 +5334,8 @@ void SessionImpl::handleTorrentFinished(TorrentImpl *const torrent)
 void SessionImpl::handleTorrentResumeDataReady(TorrentImpl *const torrent, const LoadTorrentParams &data)
 {
     m_resumeDataStorage->store(torrent->id(), data);
-    const auto iter = m_changedTorrentIDs.find(torrent->id());
-    if (iter != m_changedTorrentIDs.end())
+    const auto iter = m_changedTorrentIDs.constFind(torrent->id());
+    if (iter != m_changedTorrentIDs.cend())
     {
         m_resumeDataStorage->remove(iter.value());
         m_changedTorrentIDs.erase(iter);
@@ -5149,11 +5368,11 @@ bool SessionImpl::addMoveTorrentStorageJob(TorrentImpl *torrent, const Path &new
 
     const lt::torrent_handle torrentHandle = torrent->nativeHandle();
     const Path currentLocation = torrent->actualStorageLocation();
-    const bool torrentHasActiveJob = !m_moveStorageQueue.isEmpty() && (m_moveStorageQueue.first().torrentHandle == torrentHandle);
+    const bool torrentHasActiveJob = !m_moveStorageQueue.isEmpty() && (m_moveStorageQueue.constFirst().torrentHandle == torrentHandle);
 
     if (m_moveStorageQueue.size() > 1)
     {
-        auto iter = std::find_if((m_moveStorageQueue.begin() + 1), m_moveStorageQueue.end()
+        auto iter = std::find_if((m_moveStorageQueue.cbegin() + 1), m_moveStorageQueue.cend()
                 , [&torrentHandle](const MoveStorageJob &job)
         {
             return job.torrentHandle == torrentHandle;
@@ -5172,7 +5391,7 @@ bool SessionImpl::addMoveTorrentStorageJob(TorrentImpl *torrent, const Path &new
     {
         // if there is active job for this torrent prevent creating meaningless
         // job that will move torrent to the same location as current one
-        if (m_moveStorageQueue.first().path == newPath)
+        if (m_moveStorageQueue.constFirst().path == newPath)
         {
             LogMsg(tr("Failed to enqueue torrent move. Torrent: \"%1\". Source: \"%2\". Destination: \"%3\". Reason: torrent is currently moving to the destination")
                    .arg(torrent->name(), currentLocation.toString(), newPath.toString()));
@@ -5217,7 +5436,7 @@ void SessionImpl::handleMoveTorrentStorageJobFinished(const Path &newPath)
 {
     const MoveStorageJob finishedJob = m_moveStorageQueue.takeFirst();
     if (!m_moveStorageQueue.isEmpty())
-        moveTorrentStorage(m_moveStorageQueue.first());
+        moveTorrentStorage(m_moveStorageQueue.constFirst());
 
     const auto iter = std::find_if(m_moveStorageQueue.cbegin(), m_moveStorageQueue.cend()
             , [&finishedJob](const MoveStorageJob &job)
@@ -5471,14 +5690,13 @@ void SessionImpl::handleIPFilterError()
     emit IPFilterParsed(true, 0);
 }
 
-std::vector<lt::alert *> SessionImpl::getPendingAlerts(const lt::time_duration time) const
+void SessionImpl::fetchPendingAlerts(const lt::time_duration time)
 {
     if (time > lt::time_duration::zero())
         m_nativeSession->wait_for_alert(time);
 
-    std::vector<lt::alert *> alerts;
-    m_nativeSession->pop_alerts(&alerts);
-    return alerts;
+    m_alerts.clear();
+    m_nativeSession->pop_alerts(&m_alerts);
 }
 
 TorrentContentLayout SessionImpl::torrentContentLayout() const
@@ -5494,12 +5712,7 @@ void SessionImpl::setTorrentContentLayout(const TorrentContentLayout value)
 // Read alerts sent by libtorrent session
 void SessionImpl::readAlerts()
 {
-    // cache current datetime of Qt and libtorrent clocks in order
-    // to optimize conversion of time points from lt to Qt clocks
-    m_ltNow = lt::clock_type::now();
-    m_qNow = QDateTime::currentDateTime();
-
-    const std::vector<lt::alert *> alerts = getPendingAlerts();
+    fetchPendingAlerts();
 
     Q_ASSERT(m_loadedTorrents.isEmpty());
     Q_ASSERT(m_receivedAddTorrentAlertsCount == 0);
@@ -5507,7 +5720,7 @@ void SessionImpl::readAlerts()
     if (!isRestored())
         m_loadedTorrents.reserve(MAX_PROCESSING_RESUMEDATA_COUNT);
 
-    for (const lt::alert *a : alerts)
+    for (const lt::alert *a : m_alerts)
         handleAlert(a);
 
     if (m_receivedAddTorrentAlertsCount > 0)
@@ -5549,14 +5762,16 @@ void SessionImpl::handleAddTorrentAlert(const lt::add_torrent_alert *alert)
 #else
         const InfoHash infoHash {(hasMetadata ? params.ti->info_hash() : params.info_hash)};
 #endif
-        if (const auto loadingTorrentsIter = m_loadingTorrents.find(TorrentID::fromInfoHash(infoHash))
-                ; loadingTorrentsIter != m_loadingTorrents.end())
+        if (const auto loadingTorrentsIter = m_loadingTorrents.constFind(TorrentID::fromInfoHash(infoHash))
+                ; loadingTorrentsIter != m_loadingTorrents.cend())
         {
-            emit addTorrentFailed(infoHash, msg);
+            const AddTorrentError::Kind errorKind = (alert->error == lt::errors::duplicate_torrent)
+                    ? AddTorrentError::DuplicateTorrent : AddTorrentError::Other;
+            emit addTorrentFailed(infoHash, {errorKind, msg});
             m_loadingTorrents.erase(loadingTorrentsIter);
         }
-        else if (const auto downloadedMetadataIter = m_downloadedMetadata.find(TorrentID::fromInfoHash(infoHash))
-                 ; downloadedMetadataIter != m_downloadedMetadata.end())
+        else if (const auto downloadedMetadataIter = m_downloadedMetadata.constFind(TorrentID::fromInfoHash(infoHash))
+                 ; downloadedMetadataIter != m_downloadedMetadata.cend())
         {
             m_downloadedMetadata.erase(downloadedMetadataIter);
             if (infoHash.isHybrid())
@@ -5577,8 +5792,8 @@ void SessionImpl::handleAddTorrentAlert(const lt::add_torrent_alert *alert)
 #endif
     const auto torrentID = TorrentID::fromInfoHash(infoHash);
 
-    if (const auto loadingTorrentsIter = m_loadingTorrents.find(torrentID)
-            ; loadingTorrentsIter != m_loadingTorrents.end())
+    if (const auto loadingTorrentsIter = m_loadingTorrents.constFind(torrentID)
+            ; loadingTorrentsIter != m_loadingTorrents.cend())
     {
         const LoadTorrentParams params = loadingTorrentsIter.value();
         m_loadingTorrents.erase(loadingTorrentsIter);
@@ -5812,7 +6027,7 @@ void SessionImpl::handleTorrentDeleteFailedAlert(const lt::torrent_delete_failed
 #else
     const auto torrentID = TorrentID::fromInfoHash(alert->info_hash);
 #endif
-    const auto errorMessage = alert->error ? QString::fromLocal8Bit(alert->error.message().c_str()) : QString();
+    const auto errorMessage = alert->error ? Utils::String::fromLocal8Bit(alert->error.message()) : QString();
     handleRemovedTorrent(torrentID, errorMessage);
 }
 
@@ -5841,7 +6056,7 @@ void SessionImpl::handleMetadataReceivedAlert(const lt::metadata_received_alert
     const TorrentID torrentID {alert->handle.info_hash()};
 
     bool found = false;
-    if (const auto iter = m_downloadedMetadata.find(torrentID); iter != m_downloadedMetadata.end())
+    if (const auto iter = m_downloadedMetadata.constFind(torrentID); iter != m_downloadedMetadata.cend())
     {
         found = true;
         m_downloadedMetadata.erase(iter);
@@ -5851,7 +6066,7 @@ void SessionImpl::handleMetadataReceivedAlert(const lt::metadata_received_alert
     if (infoHash.isHybrid())
     {
         const auto altID = TorrentID::fromSHA1Hash(infoHash.v1());
-        if (const auto iter = m_downloadedMetadata.find(altID); iter != m_downloadedMetadata.end())
+        if (const auto iter = m_downloadedMetadata.constFind(altID); iter != m_downloadedMetadata.cend())
         {
             found = true;
             m_downloadedMetadata.erase(iter);
@@ -5946,7 +6161,7 @@ void SessionImpl::handleUrlSeedAlert(const lt::url_seed_alert *alert)
 
     if (alert->error)
     {
-        LogMsg(tr("URL seed DNS lookup failed. Torrent: \"%1\". URL: \"%2\". Error: \"%3\"")
+        LogMsg(tr("URL seed connection failed. Torrent: \"%1\". URL: \"%2\". Error: \"%3\"")
             .arg(torrent->name(), QString::fromUtf8(alert->server_url()), QString::fromStdString(alert->message()))
             , Log::WARNING);
     }
@@ -5970,7 +6185,7 @@ void SessionImpl::handleListenFailedAlert(const lt::listen_failed_alert *alert)
     const QString proto {toString(alert->socket_type)};
     LogMsg(tr("Failed to listen on IP. IP: \"%1\". Port: \"%2/%3\". Reason: \"%4\"")
         .arg(toString(alert->address), proto, QString::number(alert->port)
-            , QString::fromLocal8Bit(alert->error.message().c_str())), Log::CRITICAL);
+            , Utils::String::fromLocal8Bit(alert->error.message())), Log::CRITICAL);
 }
 
 void SessionImpl::handleExternalIPAlert(const lt::external_ip_alert *alert)
@@ -5979,11 +6194,19 @@ void SessionImpl::handleExternalIPAlert(const lt::external_ip_alert *alert)
     LogMsg(tr("Detected external IP. IP: \"%1\"")
         .arg(externalIP), Log::INFO);
 
-    if (m_lastExternalIP != externalIP)
+    const bool isIPv6 = alert->external_address.is_v6();
+    const bool isIPv4 = alert->external_address.is_v4();
+    if (isIPv6 && (externalIP != m_lastExternalIPv6Address))
     {
-        if (isReannounceWhenAddressChangedEnabled() && !m_lastExternalIP.isEmpty())
+        if (isReannounceWhenAddressChangedEnabled() && !m_lastExternalIPv6Address.isEmpty())
             reannounceToAllTrackers();
-        m_lastExternalIP = externalIP;
+        m_lastExternalIPv6Address = externalIP;
+    }
+    else if (isIPv4 && (externalIP != m_lastExternalIPv4Address))
+    {
+        if (isReannounceWhenAddressChangedEnabled() && !m_lastExternalIPv4Address.isEmpty())
+            reannounceToAllTrackers();
+        m_lastExternalIPv4Address = externalIP;
     }
 }
 
@@ -6069,8 +6292,14 @@ void SessionImpl::handleSessionStatsAlert(const lt::session_stats_alert *alert)
     m_status.allTimeDownload = m_previouslyDownloaded + m_status.totalDownload;
     m_status.allTimeUpload = m_previouslyUploaded + m_status.totalUpload;
 
-    if (m_statisticsLastUpdateTimer.hasExpired(STATISTICS_SAVE_INTERVAL))
-        saveStatistics();
+    if (m_saveStatisticsInterval > 0)
+    {
+        const auto saveInterval = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::minutes(m_saveStatisticsInterval));
+        if (m_statisticsLastUpdateTimer.hasExpired(saveInterval.count()))
+        {
+            saveStatistics();
+        }
+    }
 
     m_cacheStatus.totalUsedBuffers = stats[m_metricIndices.disk.diskBlocksInUse];
     m_cacheStatus.jobQueueLength = stats[m_metricIndices.disk.queuedDiskJobs];
@@ -6099,7 +6328,7 @@ void SessionImpl::handleStorageMovedAlert(const lt::storage_moved_alert *alert)
 {
     Q_ASSERT(!m_moveStorageQueue.isEmpty());
 
-    const MoveStorageJob &currentJob = m_moveStorageQueue.first();
+    const MoveStorageJob &currentJob = m_moveStorageQueue.constFirst();
     Q_ASSERT(currentJob.torrentHandle == alert->handle);
 
     const Path newPath {QString::fromUtf8(alert->storage_path())};
@@ -6122,7 +6351,7 @@ void SessionImpl::handleStorageMovedFailedAlert(const lt::storage_moved_failed_a
 {
     Q_ASSERT(!m_moveStorageQueue.isEmpty());
 
-    const MoveStorageJob &currentJob = m_moveStorageQueue.first();
+    const MoveStorageJob &currentJob = m_moveStorageQueue.constFirst();
     Q_ASSERT(currentJob.torrentHandle == alert->handle);
 
 #ifdef QBT_USES_LIBTORRENT2
@@ -6144,7 +6373,7 @@ void SessionImpl::handleStorageMovedFailedAlert(const lt::storage_moved_failed_a
 
 void SessionImpl::handleStateUpdateAlert(const lt::state_update_alert *alert)
 {
-    QVector<Torrent *> updatedTorrents;
+    QList<Torrent *> updatedTorrents;
     updatedTorrents.reserve(static_cast<decltype(updatedTorrents)::size_type>(alert->status.size()));
 
     for (const lt::torrent_status &status : alert->status)
@@ -6182,7 +6411,7 @@ void SessionImpl::handleSocks5Alert(const lt::socks5_alert *alert) const
         const QString endpoint = (addr.is_v6() ? u"[%1]:%2"_s : u"%1:%2"_s)
                 .arg(QString::fromStdString(addr.to_string()), QString::number(alert->ip.port()));
         LogMsg(tr("SOCKS5 proxy error. Address: %1. Message: \"%2\".")
-                .arg(endpoint, QString::fromLocal8Bit(alert->error.message().c_str()))
+                .arg(endpoint, Utils::String::fromLocal8Bit(alert->error.message()))
                 , Log::WARNING);
     }
 }
@@ -6295,7 +6524,7 @@ void SessionImpl::loadStatistics()
 
 void SessionImpl::updateTrackerEntryStatuses(lt::torrent_handle torrentHandle)
 {
-    invokeAsync([this, torrentHandle = std::move(torrentHandle)]() mutable
+    invokeAsync([this, torrentHandle = std::move(torrentHandle)]
     {
         try
         {
@@ -6305,9 +6534,9 @@ void SessionImpl::updateTrackerEntryStatuses(lt::torrent_handle torrentHandle)
             QHash<std::string, QHash<lt::tcp::endpoint, QMap<int, int>>> updatedTrackers = m_updatedTrackerStatuses.take(torrentHandle);
             updatedTrackerStatusesLocker.unlock();
 
-            invoke([this, torrentHandle, nativeTrackers = std::move(nativeTrackers), updatedTrackers = std::move(updatedTrackers)]
+            invoke([this, infoHash = torrentHandle.info_hash(), nativeTrackers = std::move(nativeTrackers), updatedTrackers = std::move(updatedTrackers)]
             {
-                TorrentImpl *torrent = m_torrents.value(torrentHandle.info_hash());
+                TorrentImpl *torrent = m_torrents.value(infoHash);
                 if (!torrent || torrent->isStopped())
                     return;
 
@@ -6336,8 +6565,8 @@ void SessionImpl::updateTrackerEntryStatuses(lt::torrent_handle torrentHandle)
 
 void SessionImpl::handleRemovedTorrent(const TorrentID &torrentID, const QString &partfileRemoveError)
 {
-    const auto removingTorrentDataIter = m_removingTorrents.find(torrentID);
-    if (removingTorrentDataIter == m_removingTorrents.end())
+    const auto removingTorrentDataIter = m_removingTorrents.constFind(torrentID);
+    if (removingTorrentDataIter == m_removingTorrents.cend())
         return;
 
     if (!partfileRemoveError.isEmpty())
@@ -6359,9 +6588,3 @@ void SessionImpl::handleRemovedTorrent(const TorrentID &torrentID, const QString
 
     m_removingTorrents.erase(removingTorrentDataIter);
 }
-
-QDateTime SessionImpl::fromLTTimePoint32(const lt::time_point32 &timePoint) const
-{
-    const auto secsSinceNow = lt::duration_cast<lt::seconds>(timePoint - m_ltNow + lt::milliseconds(500)).count();
-    return m_qNow.addSecs(secsSinceNow);
-}

src/base/bittorrent/sessionimpl.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -29,6 +29,7 @@
 
 #pragma once
 
+#include <chrono>
 #include <utility>
 #include <vector>
 
@@ -37,14 +38,14 @@
 #include <libtorrent/torrent_handle.hpp>
 
 #include <QtContainerFwd>
-#include <QDateTime>
 #include <QElapsedTimer>
 #include <QHash>
+#include <QList>
 #include <QMap>
 #include <QMutex>
 #include <QPointer>
 #include <QSet>
-#include <QVector>
+#include <QThreadPool>
 
 #include "base/path.h"
 #include "base/settingvalue.h"
@@ -55,17 +56,15 @@
 #include "session.h"
 #include "sessionstatus.h"
 #include "torrentinfo.h"
-#include "trackerentrystatus.h"
 
 class QString;
-class QThread;
-class QThreadPool;
 class QTimer;
 class QUrl;
 
 class BandwidthScheduler;
 class FileSearcher;
 class FilterParserThread;
+class FreeDiskSpaceChecker;
 class NativeSessionExtension;
 
 namespace BitTorrent
@@ -235,6 +234,8 @@ namespace BitTorrent
         void setPerformanceWarningEnabled(bool enable) override;
         int saveResumeDataInterval() const override;
         void setSaveResumeDataInterval(int value) override;
+        std::chrono::minutes saveStatisticsInterval() const override;
+        void setSaveStatisticsInterval(std::chrono::minutes value) override;
         int shutdownTimeout() const override;
         void setShutdownTimeout(int value) override;
         int port() const override;
@@ -361,6 +362,8 @@ namespace BitTorrent
         void setIncludeOverheadInLimits(bool include) override;
         QString announceIP() const override;
         void setAnnounceIP(const QString &ip) override;
+        int announcePort() const override;
+        void setAnnouncePort(int port) override;
         int maxConcurrentHTTPAnnounces() const override;
         void setMaxConcurrentHTTPAnnounces(int value) override;
         bool isReannounceWhenAddressChangedEnabled() const override;
@@ -388,6 +391,8 @@ namespace BitTorrent
         void setUTPRateLimited(bool limited) override;
         MixedModeAlgorithm utpMixedMode() const override;
         void setUtpMixedMode(MixedModeAlgorithm mode) override;
+        int hostnameCacheTTL() const override;
+        void setHostnameCacheTTL(int value) override;
         bool isIDNSupportEnabled() const override;
         void setIDNSupportEnabled(bool enabled) override;
         bool multiConnectionsPerIpEnabled() const override;
@@ -424,7 +429,7 @@ namespace BitTorrent
 
         Torrent *getTorrent(const TorrentID &id) const override;
         Torrent *findTorrent(const InfoHash &infoHash) const override;
-        QVector<Torrent *> torrents() const override;
+        QList<Torrent *> torrents() const override;
         qsizetype torrentsCount() const override;
         const SessionStatus &status() const override;
         const CacheStatus &cacheStatus() const override;
@@ -438,10 +443,15 @@ namespace BitTorrent
         bool downloadMetadata(const TorrentDescriptor &torrentDescr) override;
         bool cancelDownloadMetadata(const TorrentID &id) override;
 
-        void increaseTorrentsQueuePos(const QVector<TorrentID> &ids) override;
-        void decreaseTorrentsQueuePos(const QVector<TorrentID> &ids) override;
-        void topTorrentsQueuePos(const QVector<TorrentID> &ids) override;
-        void bottomTorrentsQueuePos(const QVector<TorrentID> &ids) override;
+        void increaseTorrentsQueuePos(const QList<TorrentID> &ids) override;
+        void decreaseTorrentsQueuePos(const QList<TorrentID> &ids) override;
+        void topTorrentsQueuePos(const QList<TorrentID> &ids) override;
+        void bottomTorrentsQueuePos(const QList<TorrentID> &ids) override;
+
+        QString lastExternalIPv4Address() const override;
+        QString lastExternalIPv6Address() const override;
+
+        qint64 freeDiskSpace() const override;
 
         // Torrent interface
         void handleTorrentResumeDataRequested(const TorrentImpl *torrent);
@@ -457,11 +467,11 @@ namespace BitTorrent
         void handleTorrentStarted(TorrentImpl *torrent);
         void handleTorrentChecked(TorrentImpl *torrent);
         void handleTorrentFinished(TorrentImpl *torrent);
-        void handleTorrentTrackersAdded(TorrentImpl *torrent, const QVector<TrackerEntry> &newTrackers);
+        void handleTorrentTrackersAdded(TorrentImpl *torrent, const QList<TrackerEntry> &newTrackers);
         void handleTorrentTrackersRemoved(TorrentImpl *torrent, const QStringList &deletedTrackers);
         void handleTorrentTrackersChanged(TorrentImpl *torrent);
-        void handleTorrentUrlSeedsAdded(TorrentImpl *torrent, const QVector<QUrl> &newUrlSeeds);
-        void handleTorrentUrlSeedsRemoved(TorrentImpl *torrent, const QVector<QUrl> &urlSeeds);
+        void handleTorrentUrlSeedsAdded(TorrentImpl *torrent, const QList<QUrl> &newUrlSeeds);
+        void handleTorrentUrlSeedsRemoved(TorrentImpl *torrent, const QList<QUrl> &urlSeeds);
         void handleTorrentResumeDataReady(TorrentImpl *torrent, const LoadTorrentParams &data);
         void handleTorrentInfoHashChanged(TorrentImpl *torrent, const InfoHash &prevInfoHash);
         void handleTorrentStorageMovingStateChanged(TorrentImpl *torrent);
@@ -476,15 +486,23 @@ namespace BitTorrent
         void addMappedPorts(const QSet<quint16> &ports);
         void removeMappedPorts(const QSet<quint16> &ports);
 
-        QDateTime fromLTTimePoint32(const lt::time_point32 &timePoint) const;
-
         template <typename Func>
         void invoke(Func &&func)
         {
             QMetaObject::invokeMethod(this, std::forward<Func>(func), Qt::QueuedConnection);
         }
 
-        void invokeAsync(std::function<void ()> func);
+        template <typename Func>
+        void invokeAsync(Func &&func)
+        {
+            m_asyncWorker->start(std::forward<Func>(func));
+        }
+
+        bool isAddTrackersFromURLEnabled() const override;
+        void setAddTrackersFromURLEnabled(bool enabled) override;
+        QString additionalTrackersURL() const override;
+        void setAdditionalTrackersURL(const QString &url) override;
+        QString additionalTrackersFromURL() const override;
 
     signals:
         void addTorrentAlertsReceived(qsizetype count);
@@ -591,7 +609,9 @@ namespace BitTorrent
         void saveTorrentsQueue();
         void removeTorrentsQueue();
 
-        std::vector<lt::alert *> getPendingAlerts(lt::time_duration time = lt::time_duration::zero()) const;
+        void populateAdditionalTrackersFromURL();
+
+        void fetchPendingAlerts(lt::time_duration time = lt::time_duration::zero());
 
         void moveTorrentStorage(const MoveStorageJob &job) const;
         void handleMoveTorrentStorageJobFinished(const Path &newPath);
@@ -609,6 +629,9 @@ namespace BitTorrent
 
         void handleRemovedTorrent(const TorrentID &torrentID, const QString &partfileRemoveError = {});
 
+        void setAdditionalTrackersFromURL(const QString &trackers);
+        void updateTrackersFromURL();
+
         CachedSettingValue<QString> m_DHTBootstrapNodes;
         CachedSettingValue<bool> m_isDHTEnabled;
         CachedSettingValue<bool> m_isLSDEnabled;
@@ -654,6 +677,7 @@ namespace BitTorrent
         CachedSettingValue<bool> m_ignoreLimitsOnLAN;
         CachedSettingValue<bool> m_includeOverheadInLimits;
         CachedSettingValue<QString> m_announceIP;
+        CachedSettingValue<int> m_announcePort;
         CachedSettingValue<int> m_maxConcurrentHTTPAnnounces;
         CachedSettingValue<bool> m_isReannounceWhenAddressChangedEnabled;
         CachedSettingValue<int> m_stopTrackerTimeout;
@@ -664,6 +688,7 @@ namespace BitTorrent
         CachedSettingValue<BTProtocol> m_btProtocol;
         CachedSettingValue<bool> m_isUTPRateLimited;
         CachedSettingValue<MixedModeAlgorithm> m_utpMixedMode;
+        CachedSettingValue<int> m_hostnameCacheTTL;
         CachedSettingValue<bool> m_IDNSupportEnabled;
         CachedSettingValue<bool> m_multiConnectionsPerIpEnabled;
         CachedSettingValue<bool> m_validateHTTPSTrackerCertificate;
@@ -671,6 +696,8 @@ namespace BitTorrent
         CachedSettingValue<bool> m_blockPeersOnPrivilegedPorts;
         CachedSettingValue<bool> m_isAddTrackersEnabled;
         CachedSettingValue<QString> m_additionalTrackers;
+        CachedSettingValue<bool> m_isAddTrackersFromURLEnabled;
+        CachedSettingValue<QString> m_additionalTrackersURL;
         CachedSettingValue<qreal> m_globalMaxRatio;
         CachedSettingValue<int> m_globalMaxSeedingMinutes;
         CachedSettingValue<int> m_globalMaxInactiveSeedingMinutes;
@@ -692,6 +719,7 @@ namespace BitTorrent
         CachedSettingValue<bool> m_isBandwidthSchedulerEnabled;
         CachedSettingValue<bool> m_isPerformanceWarningEnabled;
         CachedSettingValue<int> m_saveResumeDataInterval;
+        CachedSettingValue<int> m_saveStatisticsInterval;
         CachedSettingValue<int> m_shutdownTimeout;
         CachedSettingValue<int> m_port;
         CachedSettingValue<bool> m_sslEnabled;
@@ -743,6 +771,9 @@ namespace BitTorrent
         bool m_IPFilteringConfigured = false;
         mutable bool m_listenInterfaceConfigured = false;
 
+        QString m_additionalTrackersFromURL;
+        QTimer *m_updateTrackersFromURLTimer = nullptr;
+
         bool m_isRestored = false;
         bool m_isPaused = isStartPaused();
 
@@ -752,8 +783,9 @@ namespace BitTorrent
         const bool m_wasPexEnabled = m_isPeXEnabled;
 
         int m_numResumeData = 0;
-        QVector<TrackerEntry> m_additionalTrackerEntries;
-        QVector<QRegularExpression> m_excludedFileNamesRegExpList;
+        QList<TrackerEntry> m_additionalTrackerEntries;
+        QList<TrackerEntry> m_additionalTrackerEntriesFromURL;
+        QList<QRegularExpression> m_excludedFileNamesRegExpList;
 
         // Statistics
         mutable QElapsedTimer m_statisticsLastUpdateTimer;
@@ -788,6 +820,7 @@ namespace BitTorrent
         QMap<QString, CategoryOptions> m_categories;
         TagSet m_tags;
 
+        std::vector<lt::alert *> m_alerts;  // make it a class variable so it can preserve its allocated `capacity`
         qsizetype m_receivedAddTorrentAlertsCount = 0;
         QList<Torrent *> m_loadedTorrents;
 
@@ -808,7 +841,8 @@ namespace BitTorrent
 
         QList<MoveStorageJob> m_moveStorageQueue;
 
-        QString m_lastExternalIP;
+        QString m_lastExternalIPv4Address;
+        QString m_lastExternalIPv6Address;
 
         bool m_needUpgradeDownloadPath = false;
 
@@ -818,13 +852,13 @@ namespace BitTorrent
         bool m_isPortMappingEnabled = false;
         QHash<quint16, std::vector<lt::port_mapping_t>> m_mappedPorts;
 
-        QTimer *m_wakeupCheckTimer = nullptr;
-        QDateTime m_wakeupCheckTimestamp;
+        QElapsedTimer m_wakeupCheckTimestamp;
 
         QList<TorrentImpl *> m_pendingFinishedTorrents;
 
-        QDateTime m_qNow;
-        lt::clock_type::time_point m_ltNow;
+        FreeDiskSpaceChecker *m_freeDiskSpaceChecker = nullptr;
+        QTimer *m_freeDiskSpaceCheckingTimer = nullptr;
+        qint64 m_freeDiskSpace = -1;
 
         friend void Session::initInstance();
         friend void Session::freeInstance();

src/base/bittorrent/torrent.h

@@ -257,8 +257,8 @@ namespace BitTorrent
         virtual bool hasMissingFiles() const = 0;
         virtual bool hasError() const = 0;
         virtual int queuePosition() const = 0;
-        virtual QVector<TrackerEntryStatus> trackers() const = 0;
-        virtual QVector<QUrl> urlSeeds() const = 0;
+        virtual QList<TrackerEntryStatus> trackers() const = 0;
+        virtual QList<QUrl> urlSeeds() const = 0;
         virtual QString error() const = 0;
         virtual qlonglong totalDownload() const = 0;
         virtual qlonglong totalUpload() const = 0;
@@ -275,10 +275,10 @@ namespace BitTorrent
         virtual bool isDHTDisabled() const = 0;
         virtual bool isPEXDisabled() const = 0;
         virtual bool isLSDDisabled() const = 0;
-        virtual QVector<PeerInfo> peers() const = 0;
+        virtual QList<PeerInfo> peers() const = 0;
         virtual QBitArray pieces() const = 0;
         virtual QBitArray downloadingPieces() const = 0;
-        virtual QVector<int> pieceAvailability() const = 0;
+        virtual QList<int> pieceAvailability() const = 0;
         virtual qreal distributedCopies() const = 0;
         virtual qreal maxRatio() const = 0;
         virtual int maxSeedingTime() const = 0;
@@ -307,11 +307,11 @@ namespace BitTorrent
         virtual void setDHTDisabled(bool disable) = 0;
         virtual void setPEXDisabled(bool disable) = 0;
         virtual void setLSDDisabled(bool disable) = 0;
-        virtual void addTrackers(QVector<TrackerEntry> trackers) = 0;
+        virtual void addTrackers(QList<TrackerEntry> trackers) = 0;
         virtual void removeTrackers(const QStringList &trackers) = 0;
-        virtual void replaceTrackers(QVector<TrackerEntry> trackers) = 0;
-        virtual void addUrlSeeds(const QVector<QUrl> &urlSeeds) = 0;
-        virtual void removeUrlSeeds(const QVector<QUrl> &urlSeeds) = 0;
+        virtual void replaceTrackers(QList<TrackerEntry> trackers) = 0;
+        virtual void addUrlSeeds(const QList<QUrl> &urlSeeds) = 0;
+        virtual void removeUrlSeeds(const QList<QUrl> &urlSeeds) = 0;
         virtual bool connectPeer(const PeerAddress &peerAddress) = 0;
         virtual void clearPeers() = 0;
         virtual void setMetadata(const TorrentInfo &torrentInfo) = 0;
@@ -325,9 +325,9 @@ namespace BitTorrent
         virtual nonstd::expected<QByteArray, QString> exportToBuffer() const = 0;
         virtual nonstd::expected<void, QString> exportToFile(const Path &path) const = 0;
 
-        virtual void fetchPeerInfo(std::function<void (QVector<PeerInfo>)> resultHandler) const = 0;
-        virtual void fetchURLSeeds(std::function<void (QVector<QUrl>)> resultHandler) const = 0;
-        virtual void fetchPieceAvailability(std::function<void (QVector<int>)> resultHandler) const = 0;
+        virtual void fetchPeerInfo(std::function<void (QList<PeerInfo>)> resultHandler) const = 0;
+        virtual void fetchURLSeeds(std::function<void (QList<QUrl>)> resultHandler) const = 0;
+        virtual void fetchPieceAvailability(std::function<void (QList<int>)> resultHandler) const = 0;
         virtual void fetchDownloadingPieces(std::function<void (QBitArray)> resultHandler) const = 0;
 
         TorrentID id() const;

src/base/bittorrent/torrentcontenthandler.h

@@ -44,18 +44,18 @@ namespace BitTorrent
         virtual bool hasMetadata() const = 0;
         virtual Path actualStorageLocation() const = 0;
         virtual Path actualFilePath(int fileIndex) const = 0;
-        virtual QVector<DownloadPriority> filePriorities() const = 0;
-        virtual QVector<qreal> filesProgress() const = 0;
+        virtual QList<DownloadPriority> filePriorities() const = 0;
+        virtual QList<qreal> filesProgress() const = 0;
         /**
          * @brief fraction of file pieces that are available at least from one peer
          *
          * This is not the same as torrrent availability, it is just a fraction of pieces
          * that can be downloaded right now. It varies between 0 to 1.
          */
-        virtual QVector<qreal> availableFileFractions() const = 0;
-        virtual void fetchAvailableFileFractions(std::function<void (QVector<qreal>)> resultHandler) const = 0;
+        virtual QList<qreal> availableFileFractions() const = 0;
+        virtual void fetchAvailableFileFractions(std::function<void (QList<qreal>)> resultHandler) const = 0;
 
-        virtual void prioritizeFiles(const QVector<DownloadPriority> &priorities) = 0;
+        virtual void prioritizeFiles(const QList<DownloadPriority> &priorities) = 0;
         virtual void flushCache() const = 0;
     };
 }

src/base/bittorrent/torrentcreationmanager.cpp

@@ -62,7 +62,10 @@ BitTorrent::TorrentCreationManager::TorrentCreationManager(IApplication *app, QO
     , m_maxTasks {SETTINGS_KEY(u"MaxTasks"_s), 256}
     , m_numThreads {SETTINGS_KEY(u"NumThreads"_s), 1}
     , m_tasks {std::make_unique<TaskSet>()}
+    , m_threadPool(this)
 {
+    m_threadPool.setObjectName("TorrentCreationManager m_threadPool");
+
     if (m_numThreads > 0)
         m_threadPool.setMaxThreadCount(m_numThreads);
 }

src/base/bittorrent/torrentdescriptor.cpp

@@ -207,9 +207,9 @@ void BitTorrent::TorrentDescriptor::setTorrentInfo(TorrentInfo torrentInfo)
     }
 }
 
-QVector<BitTorrent::TrackerEntry> BitTorrent::TorrentDescriptor::trackers() const
+QList<BitTorrent::TrackerEntry> BitTorrent::TorrentDescriptor::trackers() const
 {
-    QVector<TrackerEntry> ret;
+    QList<TrackerEntry> ret;
     ret.reserve(static_cast<decltype(ret)::size_type>(m_ltAddTorrentParams.trackers.size()));
     std::size_t i = 0;
     for (const std::string &tracker : m_ltAddTorrentParams.trackers)
@@ -218,9 +218,9 @@ QVector<BitTorrent::TrackerEntry> BitTorrent::TorrentDescriptor::trackers() cons
     return ret;
 }
 
-QVector<QUrl> BitTorrent::TorrentDescriptor::urlSeeds() const
+QList<QUrl> BitTorrent::TorrentDescriptor::urlSeeds() const
 {
-    QVector<QUrl> urlSeeds;
+    QList<QUrl> urlSeeds;
     urlSeeds.reserve(static_cast<decltype(urlSeeds)::size_type>(m_ltAddTorrentParams.url_seeds.size()));
 
     for (const std::string &nativeURLSeed : m_ltAddTorrentParams.url_seeds)

src/base/bittorrent/torrentdescriptor.h

@@ -39,7 +39,6 @@
 
 #include "base/3rdparty/expected.hpp"
 #include "base/path.h"
-#include "torrentdescriptor.h"
 #include "torrentinfo.h"
 
 class QByteArray;
@@ -60,8 +59,8 @@ namespace BitTorrent
         QDateTime creationDate() const;
         QString creator() const;
         QString comment() const;
-        QVector<TrackerEntry> trackers() const;
-        QVector<QUrl> urlSeeds() const;
+        QList<TrackerEntry> trackers() const;
+        QList<QUrl> urlSeeds() const;
         const std::optional<TorrentInfo> &info() const;
 
         void setTorrentInfo(TorrentInfo torrentInfo);

src/base/bittorrent/torrentimpl.cpp

@@ -63,6 +63,7 @@
 #include "base/types.h"
 #include "base/utils/fs.h"
 #include "base/utils/io.h"
+#include "base/utils/string.h"
 #include "common.h"
 #include "downloadpriority.h"
 #include "extensiondata.h"
@@ -100,16 +101,13 @@ namespace
         if (const QString *endpointName = cache.object(ltTCPEndpoint))
             return *endpointName;
 
-        const std::string tmp = (std::ostringstream() << ltTCPEndpoint).str();
-        const auto endpointName = QString::fromLatin1(tmp.c_str(), tmp.size());
+        const auto endpointName = Utils::String::fromLatin1((std::ostringstream() << ltTCPEndpoint).str());
         cache.insert(ltTCPEndpoint, new QString(endpointName));
         return endpointName;
     }
 
-    template <typename FromLTTimePoint32Func>
     void updateTrackerEntryStatus(TrackerEntryStatus &trackerEntryStatus, const lt::announce_entry &nativeEntry
-            , const QSet<int> &btProtocols, const QHash<lt::tcp::endpoint, QMap<int, int>> &updateInfo
-            , const FromLTTimePoint32Func &fromLTTimePoint32)
+            , const QSet<int> &btProtocols, const QHash<lt::tcp::endpoint, QMap<int, int>> &updateInfo)
     {
         Q_ASSERT(trackerEntryStatus.url == QString::fromStdString(nativeEntry.url));
 
@@ -146,8 +144,8 @@ namespace
                 trackerEndpointStatus.numSeeds = ltAnnounceInfo.scrape_complete;
                 trackerEndpointStatus.numLeeches = ltAnnounceInfo.scrape_incomplete;
                 trackerEndpointStatus.numDownloaded = ltAnnounceInfo.scrape_downloaded;
-                trackerEndpointStatus.nextAnnounceTime = fromLTTimePoint32(ltAnnounceInfo.next_announce);
-                trackerEndpointStatus.minAnnounceTime = fromLTTimePoint32(ltAnnounceInfo.min_announce);
+                trackerEndpointStatus.nextAnnounceTime = ltAnnounceInfo.next_announce;
+                trackerEndpointStatus.minAnnounceTime = ltAnnounceInfo.min_announce;
 
                 if (ltAnnounceInfo.updating)
                 {
@@ -238,8 +236,8 @@ namespace
         trackerEntryStatus.numSeeds = -1;
         trackerEntryStatus.numLeeches = -1;
         trackerEntryStatus.numDownloaded = -1;
-        trackerEntryStatus.nextAnnounceTime = QDateTime();
-        trackerEntryStatus.minAnnounceTime = QDateTime();
+        trackerEntryStatus.nextAnnounceTime = {};
+        trackerEntryStatus.minAnnounceTime = {};
         trackerEntryStatus.message.clear();
 
         for (const TrackerEndpointStatus &endpointStatus : asConst(trackerEntryStatus.endpoints))
@@ -251,7 +249,7 @@ namespace
 
             if (endpointStatus.state == trackerEntryStatus.state)
             {
-                if (!trackerEntryStatus.nextAnnounceTime.isValid() || (trackerEntryStatus.nextAnnounceTime > endpointStatus.nextAnnounceTime))
+                if ((trackerEntryStatus.nextAnnounceTime == AnnounceTimePoint()) || (trackerEntryStatus.nextAnnounceTime > endpointStatus.nextAnnounceTime))
                 {
                     trackerEntryStatus.nextAnnounceTime = endpointStatus.nextAnnounceTime;
                     trackerEntryStatus.minAnnounceTime = endpointStatus.minAnnounceTime;
@@ -465,7 +463,13 @@ qlonglong TorrentImpl::wastedSize() const
 
 QString TorrentImpl::currentTracker() const
 {
-    return QString::fromStdString(m_nativeStatus.current_tracker);
+    if (!m_nativeStatus.current_tracker.empty())
+        return QString::fromStdString(m_nativeStatus.current_tracker);
+
+    if (!m_trackerEntryStatuses.isEmpty())
+        return m_trackerEntryStatuses.constFirst().url;
+
+    return {};
 }
 
 Path TorrentImpl::savePath() const
@@ -626,12 +630,12 @@ Path TorrentImpl::makeUserPath(const Path &path) const
     return userPath;
 }
 
-QVector<TrackerEntryStatus> TorrentImpl::trackers() const
+QList<TrackerEntryStatus> TorrentImpl::trackers() const
 {
     return m_trackerEntryStatuses;
 }
 
-void TorrentImpl::addTrackers(QVector<TrackerEntry> trackers)
+void TorrentImpl::addTrackers(QList<TrackerEntry> trackers)
 {
     trackers.removeIf([](const TrackerEntry &trackerEntry) { return trackerEntry.url.isEmpty(); });
 
@@ -644,7 +648,7 @@ void TorrentImpl::addTrackers(QVector<TrackerEntry> trackers)
     if (newTrackerSet.isEmpty())
         return;
 
-    trackers = QVector<TrackerEntry>(newTrackerSet.cbegin(), newTrackerSet.cend());
+    trackers = QList<TrackerEntry>(newTrackerSet.cbegin(), newTrackerSet.cend());
     for (const TrackerEntry &tracker : asConst(trackers))
     {
         m_nativeHandle.add_tracker(makeNativeAnnounceEntry(tracker.url, tracker.tier));
@@ -680,13 +684,13 @@ void TorrentImpl::removeTrackers(const QStringList &trackers)
     }
 }
 
-void TorrentImpl::replaceTrackers(QVector<TrackerEntry> trackers)
+void TorrentImpl::replaceTrackers(QList<TrackerEntry> trackers)
 {
     trackers.removeIf([](const TrackerEntry &trackerEntry) { return trackerEntry.url.isEmpty(); });
 
     // Filter out duplicate trackers
     const auto uniqueTrackers = QSet<TrackerEntry>(trackers.cbegin(), trackers.cend());
-    trackers = QVector<TrackerEntry>(uniqueTrackers.cbegin(), uniqueTrackers.cend());
+    trackers = QList<TrackerEntry>(uniqueTrackers.cbegin(), uniqueTrackers.cend());
     std::sort(trackers.begin(), trackers.end()
         , [](const TrackerEntry &left, const TrackerEntry &right) { return left.tier < right.tier; });
 
@@ -711,12 +715,12 @@ void TorrentImpl::replaceTrackers(QVector<TrackerEntry> trackers)
     m_session->handleTorrentTrackersChanged(this);
 }
 
-QVector<QUrl> TorrentImpl::urlSeeds() const
+QList<QUrl> TorrentImpl::urlSeeds() const
 {
     return m_urlSeeds;
 }
 
-void TorrentImpl::addUrlSeeds(const QVector<QUrl> &urlSeeds)
+void TorrentImpl::addUrlSeeds(const QList<QUrl> &urlSeeds)
 {
     m_session->invokeAsync([urlSeeds, session = m_session
                            , nativeHandle = m_nativeHandle
@@ -725,12 +729,12 @@ void TorrentImpl::addUrlSeeds(const QVector<QUrl> &urlSeeds)
         try
         {
             const std::set<std::string> nativeSeeds = nativeHandle.url_seeds();
-            QVector<QUrl> currentSeeds;
+            QList<QUrl> currentSeeds;
             currentSeeds.reserve(static_cast<decltype(currentSeeds)::size_type>(nativeSeeds.size()));
             for (const std::string &urlSeed : nativeSeeds)
                 currentSeeds.append(QString::fromStdString(urlSeed));
 
-            QVector<QUrl> addedUrlSeeds;
+            QList<QUrl> addedUrlSeeds;
             addedUrlSeeds.reserve(urlSeeds.size());
 
             for (const QUrl &url : urlSeeds)
@@ -760,7 +764,7 @@ void TorrentImpl::addUrlSeeds(const QVector<QUrl> &urlSeeds)
     });
 }
 
-void TorrentImpl::removeUrlSeeds(const QVector<QUrl> &urlSeeds)
+void TorrentImpl::removeUrlSeeds(const QList<QUrl> &urlSeeds)
 {
     m_session->invokeAsync([urlSeeds, session = m_session
                            , nativeHandle = m_nativeHandle
@@ -769,12 +773,12 @@ void TorrentImpl::removeUrlSeeds(const QVector<QUrl> &urlSeeds)
         try
         {
             const std::set<std::string> nativeSeeds = nativeHandle.url_seeds();
-            QVector<QUrl> currentSeeds;
+            QList<QUrl> currentSeeds;
             currentSeeds.reserve(static_cast<decltype(currentSeeds)::size_type>(nativeSeeds.size()));
             for (const std::string &urlSeed : nativeSeeds)
                 currentSeeds.append(QString::fromStdString(urlSeed));
 
-            QVector<QUrl> removedUrlSeeds;
+            QList<QUrl> removedUrlSeeds;
             removedUrlSeeds.reserve(urlSeeds.size());
 
             for (const QUrl &url : urlSeeds)
@@ -1031,7 +1035,7 @@ Path TorrentImpl::filePath(const int index) const
 
 Path TorrentImpl::actualFilePath(const int index) const
 {
-    const QVector<lt::file_index_t> nativeIndexes = m_torrentInfo.nativeIndexes();
+    const QList<lt::file_index_t> nativeIndexes = m_torrentInfo.nativeIndexes();
 
     Q_ASSERT(index >= 0);
     Q_ASSERT(index < nativeIndexes.size());
@@ -1066,7 +1070,7 @@ PathList TorrentImpl::actualFilePaths() const
     return paths;
 }
 
-QVector<DownloadPriority> TorrentImpl::filePriorities() const
+QList<DownloadPriority> TorrentImpl::filePriorities() const
 {
     return m_filePriorities;
 }
@@ -1301,12 +1305,12 @@ int TorrentImpl::queuePosition() const
 QString TorrentImpl::error() const
 {
     if (m_nativeStatus.errc)
-        return QString::fromLocal8Bit(m_nativeStatus.errc.message().c_str());
+        return Utils::String::fromLocal8Bit(m_nativeStatus.errc.message());
 
     if (m_nativeStatus.flags & lt::torrent_flags::upload_mode)
     {
         return tr("Couldn't write to file. Reason: \"%1\". Torrent is now in \"upload only\" mode.")
-            .arg(QString::fromLocal8Bit(m_lastFileError.error.message().c_str()));
+            .arg(Utils::String::fromLocal8Bit(m_lastFileError.error.message()));
     }
 
     return {};
@@ -1372,7 +1376,7 @@ qlonglong TorrentImpl::eta() const
     return (wantedSize() - completedSize()) / speedAverage.download;
 }
 
-QVector<qreal> TorrentImpl::filesProgress() const
+QList<qreal> TorrentImpl::filesProgress() const
 {
     if (!hasMetadata())
         return {};
@@ -1383,9 +1387,9 @@ QVector<qreal> TorrentImpl::filesProgress() const
         return {};
 
     if (m_completedFiles.count(true) == count)
-        return QVector<qreal>(count, 1);
+        return QList<qreal>(count, 1);
 
-    QVector<qreal> result;
+    QList<qreal> result;
     result.reserve(count);
     for (int i = 0; i < count; ++i)
     {
@@ -1461,12 +1465,12 @@ bool TorrentImpl::isLSDDisabled() const
     return static_cast<bool>(m_nativeStatus.flags & lt::torrent_flags::disable_lsd);
 }
 
-QVector<PeerInfo> TorrentImpl::peers() const
+QList<PeerInfo> TorrentImpl::peers() const
 {
     std::vector<lt::peer_info> nativePeers;
     m_nativeHandle.get_peer_info(nativePeers);
 
-    QVector<PeerInfo> peers;
+    QList<PeerInfo> peers;
     peers.reserve(static_cast<decltype(peers)::size_type>(nativePeers.size()));
 
     for (const lt::peer_info &peer : nativePeers)
@@ -1495,7 +1499,7 @@ QBitArray TorrentImpl::downloadingPieces() const
     return result;
 }
 
-QVector<int> TorrentImpl::pieceAvailability() const
+QList<int> TorrentImpl::pieceAvailability() const
 {
     std::vector<int> avail;
     m_nativeHandle.piece_availability(avail);
@@ -1611,18 +1615,20 @@ bool TorrentImpl::setCategory(const QString &category)
         if (!category.isEmpty() && !m_session->categories().contains(category))
             return false;
 
+        if (m_session->isDisableAutoTMMWhenCategoryChanged())
+        {
+            // This should be done before changing the category name
+            // to prevent the torrent from being moved at the path of new category.
+            setAutoTMMEnabled(false);
+        }
+
         const QString oldCategory = m_category;
         m_category = category;
         deferredRequestResumeData();
         m_session->handleTorrentCategoryChanged(this, oldCategory);
 
         if (m_useAutoTMM)
-        {
-            if (!m_session->isDisableAutoTMMWhenCategoryChanged())
-                adjustStorageLocation();
-            else
-                setAutoTMMEnabled(false);
-        }
+            adjustStorageLocation();
     }
 
     return true;
@@ -1774,11 +1780,7 @@ TrackerEntryStatus TorrentImpl::updateTrackerEntryStatus(const lt::announce_entr
     const QSet<int> btProtocols {1};
 #endif
 
-    const auto fromLTTimePoint32 = [this](const lt::time_point32 &timePoint)
-    {
-        return m_session->fromLTTimePoint32(timePoint);
-    };
-    ::updateTrackerEntryStatus(*it, announceEntry, btProtocols, updateInfo, fromLTTimePoint32);
+    ::updateTrackerEntryStatus(*it, announceEntry, btProtocols, updateInfo);
 
     return *it;
 }
@@ -2148,7 +2150,7 @@ void TorrentImpl::handleSaveResumeDataAlert(const lt::save_resume_data_alert *p)
         // URL seed list have been changed by libtorrent for some reason, so we need to update cached one.
         // Unfortunately, URL seed list containing in "resume data" is generated according to different rules
         // than the list we usually cache, so we have to request it from the appropriate source.
-        fetchURLSeeds([this](const QVector<QUrl> &urlSeeds) { m_urlSeeds = urlSeeds; });
+        fetchURLSeeds([this](const QList<QUrl> &urlSeeds) { m_urlSeeds = urlSeeds; });
     }
 
     if ((m_maintenanceJob == MaintenanceJob::HandleMetadata) && p->params.ti)
@@ -2274,7 +2276,7 @@ void TorrentImpl::handleSaveResumeDataFailedAlert(const lt::save_resume_data_fai
     if (p->error != lt::errors::resume_data_not_modified)
     {
         LogMsg(tr("Generate resume data failed. Torrent: \"%1\". Reason: \"%2\"")
-            .arg(name(), QString::fromLocal8Bit(p->error.message().c_str())), Log::CRITICAL);
+            .arg(name(), Utils::String::fromLocal8Bit(p->error.message())), Log::CRITICAL);
     }
 }
 
@@ -2362,7 +2364,7 @@ void TorrentImpl::handleFileRenameFailedAlert(const lt::file_rename_failed_alert
     Q_ASSERT(fileIndex >= 0);
 
     LogMsg(tr("File rename failed. Torrent: \"%1\", file: \"%2\", reason: \"%3\"")
-        .arg(name(), filePath(fileIndex).toString(), QString::fromLocal8Bit(p->error.message().c_str())), Log::WARNING);
+        .arg(name(), filePath(fileIndex).toString(), Utils::String::fromLocal8Bit(p->error.message())), Log::WARNING);
 
     --m_renameCount;
     while (!isMoveInProgress() && (m_renameCount == 0) && !m_moveFinishedTriggers.isEmpty())
@@ -2541,7 +2543,7 @@ void TorrentImpl::adjustStorageLocation()
 
 void TorrentImpl::doRenameFile(const int index, const Path &path)
 {
-    const QVector<lt::file_index_t> nativeIndexes = m_torrentInfo.nativeIndexes();
+    const QList<lt::file_index_t> nativeIndexes = m_torrentInfo.nativeIndexes();
 
     Q_ASSERT(index >= 0);
     Q_ASSERT(index < nativeIndexes.size());
@@ -2851,33 +2853,26 @@ QString TorrentImpl::createMagnetURI() const
 
     const SHA1Hash infoHash1 = infoHash().v1();
     if (infoHash1.isValid())
-    {
         ret += u"xt=urn:btih:" + infoHash1.toString();
-    }
 
-    const SHA256Hash infoHash2 = infoHash().v2();
-    if (infoHash2.isValid())
+    if (const SHA256Hash infoHash2 = infoHash().v2(); infoHash2.isValid())
     {
         if (infoHash1.isValid())
             ret += u'&';
         ret += u"xt=urn:btmh:1220" + infoHash2.toString();
     }
 
-    const QString displayName = name();
-    if (displayName != id().toString())
-    {
+    if (const QString displayName = name(); displayName != id().toString())
         ret += u"&dn=" + QString::fromLatin1(QUrl::toPercentEncoding(displayName));
-    }
+
+    if (hasMetadata())
+        ret += u"&xl=" + QString::number(totalSize());
 
     for (const TrackerEntryStatus &tracker : asConst(trackers()))
-    {
         ret += u"&tr=" + QString::fromLatin1(QUrl::toPercentEncoding(tracker.url));
-    }
 
     for (const QUrl &urlSeed : asConst(urlSeeds()))
-    {
-        ret += u"&ws=" + QString::fromLatin1(urlSeed.toEncoded());
-    }
+        ret += u"&ws=" + urlSeed.toString(QUrl::FullyEncoded);
 
     return ret;
 }
@@ -2935,15 +2930,15 @@ nonstd::expected<void, QString> TorrentImpl::exportToFile(const Path &path) cons
     return {};
 }
 
-void TorrentImpl::fetchPeerInfo(std::function<void (QVector<PeerInfo>)> resultHandler) const
+void TorrentImpl::fetchPeerInfo(std::function<void (QList<PeerInfo>)> resultHandler) const
 {
-    invokeAsync([nativeHandle = m_nativeHandle, allPieces = pieces()]() -> QVector<PeerInfo>
+    invokeAsync([nativeHandle = m_nativeHandle, allPieces = pieces()]() -> QList<PeerInfo>
     {
         try
         {
             std::vector<lt::peer_info> nativePeers;
             nativeHandle.get_peer_info(nativePeers);
-            QVector<PeerInfo> peers;
+            QList<PeerInfo> peers;
             peers.reserve(static_cast<decltype(peers)::size_type>(nativePeers.size()));
             for (const lt::peer_info &peer : nativePeers)
                 peers.append(PeerInfo(peer, allPieces));
@@ -2956,14 +2951,14 @@ void TorrentImpl::fetchPeerInfo(std::function<void (QVector<PeerInfo>)> resultHa
     , std::move(resultHandler));
 }
 
-void TorrentImpl::fetchURLSeeds(std::function<void (QVector<QUrl>)> resultHandler) const
+void TorrentImpl::fetchURLSeeds(std::function<void (QList<QUrl>)> resultHandler) const
 {
-    invokeAsync([nativeHandle = m_nativeHandle]() -> QVector<QUrl>
+    invokeAsync([nativeHandle = m_nativeHandle]() -> QList<QUrl>
     {
         try
         {
             const std::set<std::string> currentSeeds = nativeHandle.url_seeds();
-            QVector<QUrl> urlSeeds;
+            QList<QUrl> urlSeeds;
             urlSeeds.reserve(static_cast<decltype(urlSeeds)::size_type>(currentSeeds.size()));
             for (const std::string &urlSeed : currentSeeds)
                 urlSeeds.append(QString::fromStdString(urlSeed));
@@ -2976,15 +2971,15 @@ void TorrentImpl::fetchURLSeeds(std::function<void (QVector<QUrl>)> resultHandle
     , std::move(resultHandler));
 }
 
-void TorrentImpl::fetchPieceAvailability(std::function<void (QVector<int>)> resultHandler) const
+void TorrentImpl::fetchPieceAvailability(std::function<void (QList<int>)> resultHandler) const
 {
-    invokeAsync([nativeHandle = m_nativeHandle]() -> QVector<int>
+    invokeAsync([nativeHandle = m_nativeHandle]() -> QList<int>
     {
         try
         {
             std::vector<int> piecesAvailability;
             nativeHandle.piece_availability(piecesAvailability);
-            return QVector<int>(piecesAvailability.cbegin(), piecesAvailability.cend());
+            return QList<int>(piecesAvailability.cbegin(), piecesAvailability.cend());
         }
         catch (const std::exception &) {}
 
@@ -3018,9 +3013,9 @@ void TorrentImpl::fetchDownloadingPieces(std::function<void (QBitArray)> resultH
     , std::move(resultHandler));
 }
 
-void TorrentImpl::fetchAvailableFileFractions(std::function<void (QVector<qreal>)> resultHandler) const
+void TorrentImpl::fetchAvailableFileFractions(std::function<void (QList<qreal>)> resultHandler) const
 {
-    invokeAsync([nativeHandle = m_nativeHandle, torrentInfo = m_torrentInfo]() -> QVector<qreal>
+    invokeAsync([nativeHandle = m_nativeHandle, torrentInfo = m_torrentInfo]() -> QList<qreal>
     {
         if (!torrentInfo.isValid() || (torrentInfo.filesCount() <= 0))
             return {};
@@ -3032,9 +3027,9 @@ void TorrentImpl::fetchAvailableFileFractions(std::function<void (QVector<qreal>
             const int filesCount = torrentInfo.filesCount();
             // libtorrent returns empty array for seeding only torrents
             if (piecesAvailability.empty())
-                return QVector<qreal>(filesCount, -1);
+                return QList<qreal>(filesCount, -1);
 
-            QVector<qreal> result;
+            QList<qreal> result;
             result.reserve(filesCount);
             for (int i = 0; i < filesCount; ++i)
             {
@@ -3058,7 +3053,7 @@ void TorrentImpl::fetchAvailableFileFractions(std::function<void (QVector<qreal>
     , std::move(resultHandler));
 }
 
-void TorrentImpl::prioritizeFiles(const QVector<DownloadPriority> &priorities)
+void TorrentImpl::prioritizeFiles(const QList<DownloadPriority> &priorities)
 {
     if (!hasMetadata())
         return;
@@ -3067,7 +3062,7 @@ void TorrentImpl::prioritizeFiles(const QVector<DownloadPriority> &priorities)
 
     // Reset 'm_hasSeedStatus' if needed in order to react again to
     // 'torrent_finished_alert' and eg show tray notifications
-    const QVector<DownloadPriority> oldPriorities = filePriorities();
+    const QList<DownloadPriority> oldPriorities = filePriorities();
     for (int i = 0; i < oldPriorities.size(); ++i)
     {
         if ((oldPriorities[i] == DownloadPriority::Ignored)
@@ -3095,18 +3090,18 @@ void TorrentImpl::prioritizeFiles(const QVector<DownloadPriority> &priorities)
     manageActualFilePaths();
 }
 
-QVector<qreal> TorrentImpl::availableFileFractions() const
+QList<qreal> TorrentImpl::availableFileFractions() const
 {
     Q_ASSERT(hasMetadata());
 
     const int filesCount = this->filesCount();
     if (filesCount <= 0) return {};
 
-    const QVector<int> piecesAvailability = pieceAvailability();
+    const QList<int> piecesAvailability = pieceAvailability();
     // libtorrent returns empty array for seeding only torrents
-    if (piecesAvailability.empty()) return QVector<qreal>(filesCount, -1);
+    if (piecesAvailability.empty()) return QList<qreal>(filesCount, -1);
 
-    QVector<qreal> res;
+    QList<qreal> res;
     res.reserve(filesCount);
     for (int i = 0; i < filesCount; ++i)
     {

src/base/bittorrent/torrentimpl.h

@@ -41,11 +41,11 @@
 #include <QBitArray>
 #include <QDateTime>
 #include <QHash>
+#include <QList>
 #include <QMap>
 #include <QObject>
 #include <QQueue>
 #include <QString>
-#include <QVector>
 
 #include "base/path.h"
 #include "base/tagset.h"
@@ -162,7 +162,7 @@ namespace BitTorrent
         qlonglong fileSize(int index) const override;
         PathList filePaths() const override;
         PathList actualFilePaths() const override;
-        QVector<DownloadPriority> filePriorities() const override;
+        QList<DownloadPriority> filePriorities() const override;
 
         TorrentInfo info() const override;
         bool isFinished() const override;
@@ -184,13 +184,13 @@ namespace BitTorrent
         bool hasMissingFiles() const override;
         bool hasError() const override;
         int queuePosition() const override;
-        QVector<TrackerEntryStatus> trackers() const override;
-        QVector<QUrl> urlSeeds() const override;
+        QList<TrackerEntryStatus> trackers() const override;
+        QList<QUrl> urlSeeds() const override;
         QString error() const override;
         qlonglong totalDownload() const override;
         qlonglong totalUpload() const override;
         qlonglong eta() const override;
-        QVector<qreal> filesProgress() const override;
+        QList<qreal> filesProgress() const override;
         int seedsCount() const override;
         int peersCount() const override;
         int leechsCount() const override;
@@ -203,10 +203,10 @@ namespace BitTorrent
         bool isDHTDisabled() const override;
         bool isPEXDisabled() const override;
         bool isLSDDisabled() const override;
-        QVector<PeerInfo> peers() const override;
+        QList<PeerInfo> peers() const override;
         QBitArray pieces() const override;
         QBitArray downloadingPieces() const override;
-        QVector<int> pieceAvailability() const override;
+        QList<int> pieceAvailability() const override;
         qreal distributedCopies() const override;
         qreal maxRatio() const override;
         int maxSeedingTime() const override;
@@ -220,7 +220,7 @@ namespace BitTorrent
         int connectionsCount() const override;
         int connectionsLimit() const override;
         qlonglong nextAnnounce() const override;
-        QVector<qreal> availableFileFractions() const override;
+        QList<qreal> availableFileFractions() const override;
 
         void setName(const QString &name) override;
         void setSequentialDownload(bool enable) override;
@@ -231,7 +231,7 @@ namespace BitTorrent
         void forceDHTAnnounce() override;
         void forceRecheck() override;
         void renameFile(int index, const Path &path) override;
-        void prioritizeFiles(const QVector<DownloadPriority> &priorities) override;
+        void prioritizeFiles(const QList<DownloadPriority> &priorities) override;
         void setUploadLimit(int limit) override;
         void setDownloadLimit(int limit) override;
         void setSuperSeeding(bool enable) override;
@@ -239,11 +239,11 @@ namespace BitTorrent
         void setPEXDisabled(bool disable) override;
         void setLSDDisabled(bool disable) override;
         void flushCache() const override;
-        void addTrackers(QVector<TrackerEntry> trackers) override;
+        void addTrackers(QList<TrackerEntry> trackers) override;
         void removeTrackers(const QStringList &trackers) override;
-        void replaceTrackers(QVector<TrackerEntry> trackers) override;
-        void addUrlSeeds(const QVector<QUrl> &urlSeeds) override;
-        void removeUrlSeeds(const QVector<QUrl> &urlSeeds) override;
+        void replaceTrackers(QList<TrackerEntry> trackers) override;
+        void addUrlSeeds(const QList<QUrl> &urlSeeds) override;
+        void removeUrlSeeds(const QList<QUrl> &urlSeeds) override;
         bool connectPeer(const PeerAddress &peerAddress) override;
         void clearPeers() override;
         void setMetadata(const TorrentInfo &torrentInfo) override;
@@ -258,11 +258,11 @@ namespace BitTorrent
         nonstd::expected<QByteArray, QString> exportToBuffer() const override;
         nonstd::expected<void, QString> exportToFile(const Path &path) const override;
 
-        void fetchPeerInfo(std::function<void (QVector<PeerInfo>)> resultHandler) const override;
-        void fetchURLSeeds(std::function<void (QVector<QUrl>)> resultHandler) const override;
-        void fetchPieceAvailability(std::function<void (QVector<int>)> resultHandler) const override;
+        void fetchPeerInfo(std::function<void (QList<PeerInfo>)> resultHandler) const override;
+        void fetchURLSeeds(std::function<void (QList<QUrl>)> resultHandler) const override;
+        void fetchPieceAvailability(std::function<void (QList<int>)> resultHandler) const override;
         void fetchDownloadingPieces(std::function<void (QBitArray)> resultHandler) const override;
-        void fetchAvailableFileFractions(std::function<void (QVector<qreal>)> resultHandler) const override;
+        void fetchAvailableFileFractions(std::function<void (QList<qreal>)> resultHandler) const override;
 
         bool needSaveResumeData() const;
 
@@ -337,7 +337,7 @@ namespace BitTorrent
         TorrentInfo m_torrentInfo;
         PathList m_filePaths;
         QHash<lt::file_index_t, int> m_indexMap;
-        QVector<DownloadPriority> m_filePriorities;
+        QList<DownloadPriority> m_filePriorities;
         QBitArray m_completedFiles;
         SpeedMonitor m_payloadRateMonitor;
 
@@ -361,8 +361,8 @@ namespace BitTorrent
 
         MaintenanceJob m_maintenanceJob = MaintenanceJob::None;
 
-        QVector<TrackerEntryStatus> m_trackerEntryStatuses;
-        QVector<QUrl> m_urlSeeds;
+        QList<TrackerEntryStatus> m_trackerEntryStatuses;
+        QList<QUrl> m_urlSeeds;
         FileErrorInfo m_lastFileError;
 
         // Persistent data
@@ -393,7 +393,7 @@ namespace BitTorrent
         int m_uploadLimit = 0;
 
         QBitArray m_pieces;
-        QVector<std::int64_t> m_filesProgress;
+        QList<std::int64_t> m_filesProgress;
 
         bool m_deferredRequestResumeDataInvoked = false;
     };

src/base/bittorrent/torrentinfo.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,24 +28,15 @@
 
 #include "torrentinfo.h"
 
-#include <libtorrent/create_torrent.hpp>
-#include <libtorrent/error_code.hpp>
 #include <libtorrent/version.hpp>
 
 #include <QByteArray>
 #include <QDateTime>
-#include <QDebug>
-#include <QDir>
 #include <QString>
-#include <QStringList>
 #include <QUrl>
 
 #include "base/global.h"
 #include "base/path.h"
-#include "base/preferences.h"
-#include "base/utils/fs.h"
-#include "base/utils/io.h"
-#include "base/utils/misc.h"
 #include "infohash.h"
 #include "trackerentry.h"
 
@@ -82,66 +73,6 @@ bool TorrentInfo::isValid() const
     return (m_nativeInfo != nullptr);
 }
 
-nonstd::expected<TorrentInfo, QString> TorrentInfo::load(const QByteArray &data) noexcept
-{
-    // 2-step construction to overcome default limits of `depth_limit` & `token_limit` which are
-    // used in `torrent_info()` constructor
-    const auto *pref = Preferences::instance();
-
-    lt::error_code ec;
-    const lt::bdecode_node node = lt::bdecode(data, ec
-            , nullptr, pref->getBdecodeDepthLimit(), pref->getBdecodeTokenLimit());
-    if (ec)
-        return nonstd::make_unexpected(QString::fromStdString(ec.message()));
-
-    const lt::torrent_info nativeInfo {node, ec};
-    if (ec)
-        return nonstd::make_unexpected(QString::fromStdString(ec.message()));
-
-    return TorrentInfo(nativeInfo);
-}
-
-nonstd::expected<TorrentInfo, QString> TorrentInfo::loadFromFile(const Path &path) noexcept
-{
-    QByteArray data;
-    try
-    {
-        const qint64 torrentSizeLimit = Preferences::instance()->getTorrentFileSizeLimit();
-        const auto readResult = Utils::IO::readFile(path, torrentSizeLimit);
-        if (!readResult)
-            return nonstd::make_unexpected(readResult.error().message);
-        data = readResult.value();
-    }
-    catch (const std::bad_alloc &e)
-    {
-        return nonstd::make_unexpected(tr("Failed to allocate memory when reading file. File: \"%1\". Error: \"%2\"")
-            .arg(path.toString(), QString::fromLocal8Bit(e.what())));
-    }
-
-    return load(data);
-}
-
-nonstd::expected<void, QString> TorrentInfo::saveToFile(const Path &path) const
-{
-    if (!isValid())
-        return nonstd::make_unexpected(tr("Invalid metadata"));
-
-    try
-    {
-        const auto torrentCreator = lt::create_torrent(*m_nativeInfo);
-        const lt::entry torrentEntry = torrentCreator.generate();
-        const nonstd::expected<void, QString> result = Utils::IO::saveToFile(path, torrentEntry);
-        if (!result)
-            return result.get_unexpected();
-    }
-    catch (const lt::system_error &err)
-    {
-        return nonstd::make_unexpected(QString::fromLocal8Bit(err.what()));
-    }
-
-    return {};
-}
-
 InfoHash TorrentInfo::infoHash() const
 {
     if (!isValid()) return {};
@@ -160,28 +91,6 @@ QString TorrentInfo::name() const
     return QString::fromStdString(m_nativeInfo->orig_files().name());
 }
 
-QDateTime TorrentInfo::creationDate() const
-{
-    if (!isValid()) return {};
-
-    const std::time_t date = m_nativeInfo->creation_date();
-    return ((date != 0) ? QDateTime::fromSecsSinceEpoch(date) : QDateTime());
-}
-
-QString TorrentInfo::creator() const
-{
-    if (!isValid()) return {};
-
-    return QString::fromStdString(m_nativeInfo->creator());
-}
-
-QString TorrentInfo::comment() const
-{
-    if (!isValid()) return {};
-
-    return QString::fromStdString(m_nativeInfo->comment());
-}
-
 bool TorrentInfo::isPrivate() const
 {
     if (!isValid()) return false;
@@ -270,43 +179,7 @@ qlonglong TorrentInfo::fileOffset(const int index) const
     return m_nativeInfo->orig_files().file_offset(m_nativeIndexes[index]);
 }
 
-QVector<TrackerEntry> TorrentInfo::trackers() const
-{
-    if (!isValid()) return {};
-
-    const std::vector<lt::announce_entry> trackers = m_nativeInfo->trackers();
-
-    QVector<TrackerEntry> ret;
-    ret.reserve(static_cast<decltype(ret)::size_type>(trackers.size()));
-    for (const lt::announce_entry &tracker : trackers)
-        ret.append({.url = QString::fromStdString(tracker.url), .tier = tracker.tier});
-
-    return ret;
-}
-
-QVector<QUrl> TorrentInfo::urlSeeds() const
-{
-    if (!isValid()) return {};
-
-    const std::vector<lt::web_seed_entry> &nativeWebSeeds = m_nativeInfo->web_seeds();
-
-    QVector<QUrl> urlSeeds;
-    urlSeeds.reserve(static_cast<decltype(urlSeeds)::size_type>(nativeWebSeeds.size()));
-
-    for (const lt::web_seed_entry &webSeed : nativeWebSeeds)
-    {
-#if LIBTORRENT_VERSION_NUM < 20100
-        if (webSeed.type == lt::web_seed_entry::url_seed)
-            urlSeeds.append(QUrl(QString::fromStdString(webSeed.url)));
-#else
-        urlSeeds.append(QUrl(QString::fromStdString(webSeed.url)));
-#endif
-    }
-
-    return urlSeeds;
-}
-
-QByteArray TorrentInfo::metadata() const
+QByteArray TorrentInfo::rawData() const
 {
     if (!isValid()) return {};
 #ifdef QBT_USES_LIBTORRENT2
@@ -320,7 +193,7 @@ QByteArray TorrentInfo::metadata() const
 PathList TorrentInfo::filesForPiece(const int pieceIndex) const
 {
     // no checks here because fileIndicesForPiece() will return an empty list
-    const QVector<int> fileIndices = fileIndicesForPiece(pieceIndex);
+    const QList<int> fileIndices = fileIndicesForPiece(pieceIndex);
 
     PathList res;
     res.reserve(fileIndices.size());
@@ -330,14 +203,14 @@ PathList TorrentInfo::filesForPiece(const int pieceIndex) const
     return res;
 }
 
-QVector<int> TorrentInfo::fileIndicesForPiece(const int pieceIndex) const
+QList<int> TorrentInfo::fileIndicesForPiece(const int pieceIndex) const
 {
     if (!isValid() || (pieceIndex < 0) || (pieceIndex >= piecesCount()))
         return {};
 
     const std::vector<lt::file_slice> files = m_nativeInfo->map_block(
                 lt::piece_index_t {pieceIndex}, 0, m_nativeInfo->piece_size(lt::piece_index_t {pieceIndex}));
-    QVector<int> res;
+    QList<int> res;
     res.reserve(static_cast<decltype(res)::size_type>(files.size()));
     for (const lt::file_slice &fileSlice : files)
     {
@@ -349,13 +222,13 @@ QVector<int> TorrentInfo::fileIndicesForPiece(const int pieceIndex) const
     return res;
 }
 
-QVector<QByteArray> TorrentInfo::pieceHashes() const
+QList<QByteArray> TorrentInfo::pieceHashes() const
 {
     if (!isValid())
         return {};
 
     const int count = piecesCount();
-    QVector<QByteArray> hashes;
+    QList<QByteArray> hashes;
     hashes.reserve(count);
 
     for (int i = 0; i < count; ++i)
@@ -366,16 +239,7 @@ QVector<QByteArray> TorrentInfo::pieceHashes() const
 
 TorrentInfo::PieceRange TorrentInfo::filePieces(const Path &filePath) const
 {
-    if (!isValid()) // if we do not check here the debug message will be printed, which would be not correct
-        return {};
-
-    const int index = fileIndex(filePath);
-    if (index == -1)
-    {
-        qDebug() << "Filename" << filePath.toString() << "was not found in torrent" << name();
-        return {};
-    }
-    return filePieces(index);
+    return filePieces(fileIndex(filePath));
 }
 
 TorrentInfo::PieceRange TorrentInfo::filePieces(const int fileIndex) const
@@ -384,10 +248,7 @@ TorrentInfo::PieceRange TorrentInfo::filePieces(const int fileIndex) const
         return {};
 
     if ((fileIndex < 0) || (fileIndex >= filesCount()))
-    {
-        qDebug() << "File index (" << fileIndex << ") is out of range for torrent" << name();
         return {};
-    }
 
     const lt::file_storage &files = m_nativeInfo->orig_files();
     const auto fileSize = files.file_size(m_nativeIndexes[fileIndex]);
@@ -450,7 +311,7 @@ std::shared_ptr<lt::torrent_info> TorrentInfo::nativeInfo() const
     return std::make_shared<lt::torrent_info>(*m_nativeInfo);
 }
 
-QVector<lt::file_index_t> TorrentInfo::nativeIndexes() const
+QList<lt::file_index_t> TorrentInfo::nativeIndexes() const
 {
     return m_nativeIndexes;
 }

src/base/bittorrent/torrentinfo.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -32,9 +32,8 @@
 
 #include <QtContainerFwd>
 #include <QCoreApplication>
-#include <QVector>
+#include <QList>
 
-#include "base/3rdparty/expected.hpp"
 #include "base/indexrange.h"
 #include "base/pathfwd.h"
 
@@ -50,26 +49,17 @@ namespace BitTorrent
 
     class TorrentInfo
     {
-        Q_DECLARE_TR_FUNCTIONS(TorrentInfo)
-
     public:
         TorrentInfo() = default;
         TorrentInfo(const TorrentInfo &other) = default;
 
         explicit TorrentInfo(const lt::torrent_info &nativeInfo);
 
-        static nonstd::expected<TorrentInfo, QString> load(const QByteArray &data) noexcept;
-        static nonstd::expected<TorrentInfo, QString> loadFromFile(const Path &path) noexcept;
-        nonstd::expected<void, QString> saveToFile(const Path &path) const;
-
         TorrentInfo &operator=(const TorrentInfo &other);
 
         bool isValid() const;
         InfoHash infoHash() const;
         QString name() const;
-        QDateTime creationDate() const;
-        QString creator() const;
-        QString comment() const;
         bool isPrivate() const;
         qlonglong totalSize() const;
         int filesCount() const;
@@ -80,12 +70,9 @@ namespace BitTorrent
         PathList filePaths() const;
         qlonglong fileSize(int index) const;
         qlonglong fileOffset(int index) const;
-        QVector<TrackerEntry> trackers() const;
-        QVector<QUrl> urlSeeds() const;
-        QByteArray metadata() const;
         PathList filesForPiece(int pieceIndex) const;
-        QVector<int> fileIndicesForPiece(int pieceIndex) const;
-        QVector<QByteArray> pieceHashes() const;
+        QList<int> fileIndicesForPiece(int pieceIndex) const;
+        QList<QByteArray> pieceHashes() const;
 
         using PieceRange = IndexRange<int>;
         // returns pair of the first and the last pieces into which
@@ -93,10 +80,12 @@ namespace BitTorrent
         PieceRange filePieces(const Path &filePath) const;
         PieceRange filePieces(int fileIndex) const;
 
+        QByteArray rawData() const;
+
         bool matchesInfoHash(const InfoHash &otherInfoHash) const;
 
         std::shared_ptr<lt::torrent_info> nativeInfo() const;
-        QVector<lt::file_index_t> nativeIndexes() const;
+        QList<lt::file_index_t> nativeIndexes() const;
 
     private:
         // returns file index or -1 if fileName is not found
@@ -106,7 +95,7 @@ namespace BitTorrent
 
         // internal indexes of files (payload only, excluding any .pad files)
         // by which they are addressed in libtorrent
-        QVector<lt::file_index_t> m_nativeIndexes;
+        QList<lt::file_index_t> m_nativeIndexes;
     };
 }
 

src/base/bittorrent/tracker.cpp

@@ -380,7 +380,7 @@ void Tracker::registerPeer(const TrackerAnnounceRequest &announceReq)
     {
         // Reached max size, remove a random torrent
         if (m_torrents.size() >= MAX_TORRENTS)
-            m_torrents.erase(m_torrents.begin());
+            m_torrents.erase(m_torrents.cbegin());
     }
 
     m_torrents[announceReq.torrentID].setPeer(announceReq.peer);

src/base/bittorrent/trackerentrystatus.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,10 +28,11 @@
 
 #pragma once
 
-#include <QDateTime>
 #include <QHash>
 #include <QString>
 
+#include "announcetimepoint.h"
+
 class QStringView;
 
 namespace BitTorrent
@@ -59,8 +60,8 @@ namespace BitTorrent
         int numLeeches = -1;
         int numDownloaded = -1;
 
-        QDateTime nextAnnounceTime {};
-        QDateTime minAnnounceTime {};
+        AnnounceTimePoint nextAnnounceTime {};
+        AnnounceTimePoint minAnnounceTime {};
     };
 
     struct TrackerEntryStatus
@@ -76,8 +77,8 @@ namespace BitTorrent
         int numLeeches = -1;
         int numDownloaded = -1;
 
-        QDateTime nextAnnounceTime {};
-        QDateTime minAnnounceTime {};
+        AnnounceTimePoint nextAnnounceTime {};
+        AnnounceTimePoint minAnnounceTime {};
 
         QHash<std::pair<QString, int>, TrackerEndpointStatus> endpoints {};
 

src/base/freediskspacechecker.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2023-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2018  Thomas Piccirello <thomas.piccirello@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -29,16 +29,24 @@
 
 #include "freediskspacechecker.h"
 
-#include "base/bittorrent/session.h"
 #include "base/utils/fs.h"
 
-qint64 FreeDiskSpaceChecker::lastResult() const
+FreeDiskSpaceChecker::FreeDiskSpaceChecker(const Path &pathToCheck)
+    : m_pathToCheck {pathToCheck}
 {
-    return m_lastResult;
+}
+
+Path FreeDiskSpaceChecker::pathToCheck() const
+{
+    return m_pathToCheck;
+}
+
+void FreeDiskSpaceChecker::setPathToCheck(const Path &newPathToCheck)
+{
+    m_pathToCheck = newPathToCheck;
 }
 
 void FreeDiskSpaceChecker::check()
 {
-    m_lastResult = Utils::Fs::freeDiskSpaceOnPath(BitTorrent::Session::instance()->savePath());
-    emit checked(m_lastResult);
+    emit checked(Utils::Fs::freeDiskSpaceOnPath(m_pathToCheck));
 }

src/base/freediskspacechecker.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2023-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2018  Thomas Piccirello <thomas.piccirello@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -31,15 +31,18 @@
 
 #include <QObject>
 
+#include "base/path.h"
+
 class FreeDiskSpaceChecker final : public QObject
 {
     Q_OBJECT
     Q_DISABLE_COPY_MOVE(FreeDiskSpaceChecker)
 
 public:
-    using QObject::QObject;
+    FreeDiskSpaceChecker(const Path &pathToCheck);
 
-    qint64 lastResult() const;
+    Path pathToCheck() const;
+    void setPathToCheck(const Path &newPathToCheck);
 
 public slots:
     void check();
@@ -48,5 +51,5 @@ signals:
     void checked(qint64 freeSpaceSize);
 
 private:
-    qint64 m_lastResult = 0;
+    Path m_pathToCheck;
 };

src/base/http/connection.cpp

@@ -155,12 +155,16 @@ void Connection::read()
                     sendResponse(resp);
                 }
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+                m_receivedData.slice(result.frameSize);
+#else
                 m_receivedData.remove(0, result.frameSize);
+#endif
             }
             break;
 
         default:
-            Q_ASSERT(false);
+            Q_UNREACHABLE();
             return;
         }
     }

src/base/http/requestparser.cpp

@@ -50,7 +50,7 @@ using QStringPair = std::pair<QString, QString>;
 
 namespace
 {
-    const QByteArray EOH = QByteArray(CRLF).repeated(2);
+    const QByteArray EOH = CRLF.repeated(2);
 
     const QByteArrayView viewWithoutEndingWith(const QByteArrayView in, const QByteArrayView str)
     {
@@ -69,8 +69,8 @@ namespace
             return false;
         }
 
-        const QString name = line.left(i).trimmed().toString().toLower();
-        const QString value = line.mid(i + 1).trimmed().toString();
+        const QString name = line.first(i).trimmed().toString().toLower();
+        const QString value = line.sliced(i + 1).trimmed().toString();
         out[name] = value;
 
         return true;
@@ -164,7 +164,7 @@ bool RequestParser::parseStartLines(const QStringView data)
         if (line.at(0).isSpace() && !requestLines.isEmpty())
         {
             // continuation of previous line
-            requestLines.last() += line.toString();
+            requestLines.last() += line;
         }
         else
         {
@@ -204,15 +204,15 @@ bool RequestParser::parseRequestLine(const QString &line)
     m_request.method = match.captured(1);
 
     // Request Target
-    const QByteArray url {match.captured(2).toLatin1()};
+    const QByteArray url {match.capturedView(2).toLatin1()};
     const int sepPos = url.indexOf('?');
-    const QByteArrayView pathComponent = ((sepPos == -1) ? url : QByteArrayView(url).mid(0, sepPos));
+    const QByteArrayView pathComponent = ((sepPos == -1) ? url : QByteArrayView(url).first(sepPos));
 
     m_request.path = QString::fromUtf8(QByteArray::fromPercentEncoding(asQByteArray(pathComponent)));
 
     if (sepPos >= 0)
     {
-        const QByteArrayView query = QByteArrayView(url).mid(sepPos + 1);
+        const QByteArrayView query = QByteArrayView(url).sliced(sepPos + 1);
 
         // [rfc3986] 2.4 When to Encode or Decode
         // URL components should be separated before percent-decoding
@@ -221,13 +221,11 @@ bool RequestParser::parseRequestLine(const QString &line)
             const int eqCharPos = param.indexOf('=');
             if (eqCharPos <= 0) continue;  // ignores params without name
 
-            const QByteArrayView nameComponent = param.mid(0, eqCharPos);
-            const QByteArrayView valueComponent = param.mid(eqCharPos + 1);
+            const QByteArrayView nameComponent = param.first(eqCharPos);
+            const QByteArrayView valueComponent = param.sliced(eqCharPos + 1);
             const QString paramName = QString::fromUtf8(
                 QByteArray::fromPercentEncoding(asQByteArray(nameComponent)).replace('+', ' '));
-            const QByteArray paramValue = valueComponent.isNull()
-                ? QByteArray("")
-                : QByteArray::fromPercentEncoding(asQByteArray(valueComponent)).replace('+', ' ');
+            const QByteArray paramValue = QByteArray::fromPercentEncoding(asQByteArray(valueComponent)).replace('+', ' ');
 
             m_request.query[paramName] = paramValue;
         }
@@ -272,7 +270,7 @@ bool RequestParser::parsePostMessage(const QByteArrayView data)
             return false;
         }
 
-        const QByteArray delimiter = Utils::String::unquote(QStringView(contentType).mid(idx + boundaryFieldName.size())).toLatin1();
+        const QByteArray delimiter = Utils::String::unquote(QStringView(contentType).sliced(idx + boundaryFieldName.size())).toLatin1();
         if (delimiter.isEmpty())
         {
             qWarning() << Q_FUNC_INFO << "boundary delimiter field empty!";
@@ -281,7 +279,7 @@ bool RequestParser::parsePostMessage(const QByteArrayView data)
 
         // split data by "dash-boundary"
         const QByteArray dashDelimiter = QByteArray("--") + delimiter + CRLF;
-        QList<QByteArrayView> multipart = splitToViews(data, dashDelimiter, Qt::SkipEmptyParts);
+        QList<QByteArrayView> multipart = splitToViews(data, dashDelimiter);
         if (multipart.isEmpty())
         {
             qWarning() << Q_FUNC_INFO << "multipart empty";
@@ -312,8 +310,8 @@ bool RequestParser::parseFormData(const QByteArrayView data)
         return false;
     }
 
-    const QString headers = QString::fromLatin1(data.mid(0, eohPos));
-    const QByteArrayView payload = viewWithoutEndingWith(data.mid((eohPos + EOH.size()), data.size()), CRLF);
+    const QString headers = QString::fromLatin1(data.first(eohPos));
+    const QByteArrayView payload = viewWithoutEndingWith(data.sliced((eohPos + EOH.size())), CRLF);
 
     HeaderMap headersMap;
     const QList<QStringView> headerLines = QStringView(headers).split(QString::fromLatin1(CRLF), Qt::SkipEmptyParts);
@@ -330,14 +328,14 @@ bool RequestParser::parseFormData(const QByteArrayView data)
                 if (idx < 0)
                     continue;
 
-                const QString name = directive.left(idx).trimmed().toString().toLower();
-                const QString value = Utils::String::unquote(directive.mid(idx + 1).trimmed()).toString();
+                const QString name = directive.first(idx).trimmed().toString().toLower();
+                const QString value = Utils::String::unquote(directive.sliced(idx + 1).trimmed()).toString();
                 headersMap[name] = value;
             }
         }
         else
         {
-            if (!parseHeaderLine(line.toString(), headersMap))
+            if (!parseHeaderLine(line, headersMap))
                 return false;
         }
     }
@@ -348,7 +346,8 @@ bool RequestParser::parseFormData(const QByteArrayView data)
 
     if (headersMap.contains(filename))
     {
-        m_request.files.append({headersMap[filename], headersMap[HEADER_CONTENT_TYPE], payload.toByteArray()});
+        m_request.files.append({.filename = headersMap[filename], .type = headersMap[HEADER_CONTENT_TYPE]
+            , .data = payload.toByteArray()});
     }
     else if (headersMap.contains(name))
     {

src/base/http/server.cpp

@@ -37,8 +37,9 @@
 
 #include <QtLogging>
 #include <QNetworkProxy>
+#include <QSslCertificate>
 #include <QSslCipher>
-#include <QSslConfiguration>
+#include <QSslKey>
 #include <QSslSocket>
 #include <QStringList>
 #include <QTimer>
@@ -100,13 +101,12 @@ using namespace Http;
 Server::Server(IRequestHandler *requestHandler, QObject *parent)
     : QTcpServer(parent)
     , m_requestHandler(requestHandler)
+    , m_sslConfig {QSslConfiguration::defaultConfiguration()}
 {
     setProxy(QNetworkProxy::NoProxy);
 
-    QSslConfiguration sslConf {QSslConfiguration::defaultConfiguration()};
-    sslConf.setProtocol(QSsl::TlsV1_2OrLater);
-    sslConf.setCiphers(safeCipherList());
-    QSslConfiguration::setDefaultConfiguration(sslConf);
+    m_sslConfig.setCiphers(safeCipherList());
+    m_sslConfig.setPeerVerifyMode(QSslSocket::VerifyNone);
 
     auto *dropConnectionTimer = new QTimer(this);
     connect(dropConnectionTimer, &QTimer::timeout, this, &Server::dropTimedOutConnection);
@@ -115,7 +115,7 @@ Server::Server(IRequestHandler *requestHandler, QObject *parent)
 
 void Server::incomingConnection(const qintptr socketDescriptor)
 {
-    std::unique_ptr<QTcpSocket> serverSocket = m_https ? std::make_unique<QSslSocket>(this) : std::make_unique<QTcpSocket>(this);
+    std::unique_ptr<QTcpSocket> serverSocket = isHttps() ? std::make_unique<QSslSocket>(this) : std::make_unique<QTcpSocket>(this);
     if (!serverSocket->setSocketDescriptor(socketDescriptor))
         return;
 
@@ -127,13 +127,10 @@ void Server::incomingConnection(const qintptr socketDescriptor)
 
     try
     {
-        if (m_https)
+        if (isHttps())
         {
             auto *sslSocket = static_cast<QSslSocket *>(serverSocket.get());
-            sslSocket->setProtocol(QSsl::SecureProtocols);
-            sslSocket->setPrivateKey(m_key);
-            sslSocket->setLocalCertificateChain(m_certificates);
-            sslSocket->setPeerVerifyMode(QSslSocket::VerifyNone);
+            sslSocket->setSslConfiguration(m_sslConfig);
             sslSocket->startServerEncryption();
         }
 
@@ -178,17 +175,17 @@ bool Server::setupHttps(const QByteArray &certificates, const QByteArray &privat
         return false;
     }
 
-    m_key = key;
-    m_certificates = certs;
+    m_sslConfig.setLocalCertificateChain(certs);
+    m_sslConfig.setPrivateKey(key);
     m_https = true;
     return true;
 }
 
 void Server::disableHttps()
 {
+    m_sslConfig.setLocalCertificateChain({});
+    m_sslConfig.setPrivateKey({});
     m_https = false;
-    m_certificates.clear();
-    m_key.clear();
 }
 
 bool Server::isHttps() const

src/base/http/server.h

@@ -31,8 +31,7 @@
 #pragma once
 
 #include <QSet>
-#include <QSslCertificate>
-#include <QSslKey>
+#include <QSslConfiguration>
 #include <QTcpServer>
 
 namespace Http
@@ -63,7 +62,6 @@ namespace Http
         QSet<Connection *> m_connections;  // for tracking persistent connections
 
         bool m_https = false;
-        QList<QSslCertificate> m_certificates;
-        QSslKey m_key;
+        QSslConfiguration m_sslConfig;
     };
 }

src/base/http/types.h

@@ -29,9 +29,12 @@
 
 #pragma once
 
+#include <QByteArray>
+#include <QHash>
 #include <QHostAddress>
+#include <QList>
+#include <QMap>
 #include <QString>
-#include <QVector>
 
 #include "base/global.h"
 
@@ -57,6 +60,7 @@ namespace Http
     inline const QString HEADER_X_CONTENT_TYPE_OPTIONS = u"x-content-type-options"_s;
     inline const QString HEADER_X_FORWARDED_FOR = u"x-forwarded-for"_s;
     inline const QString HEADER_X_FORWARDED_HOST = u"x-forwarded-host"_s;
+    inline const QString HEADER_X_FORWARDED_PROTO = u"X-forwarded-proto"_s;
     inline const QString HEADER_X_FRAME_OPTIONS = u"x-frame-options"_s;
     inline const QString HEADER_X_XSS_PROTECTION = u"x-xss-protection"_s;
 
@@ -75,7 +79,7 @@ namespace Http
     inline const QString CONTENT_TYPE_FORM_DATA = u"multipart/form-data"_s;
 
     // portability: "\r\n" doesn't guarantee mapping to the correct symbol
-    inline const char CRLF[] = {0x0D, 0x0A, '\0'};
+    inline const QByteArray CRLF = QByteArrayLiteral("\x0D\x0A");
 
     struct Environment
     {
@@ -109,7 +113,7 @@ namespace Http
         HeaderMap headers;
         QHash<QString, QByteArray> query;
         QHash<QString, QString> posts;
-        QVector<UploadedFile> files;
+        QList<UploadedFile> files;
     };
 
     struct ResponseStatus

src/base/logger.cpp

@@ -31,14 +31,14 @@
 #include <algorithm>
 
 #include <QDateTime>
-#include <QVector>
+#include <QList>
 
 namespace
 {
     template <typename T>
-    QVector<T> loadFromBuffer(const boost::circular_buffer_space_optimized<T> &src, const int offset = 0)
+    QList<T> loadFromBuffer(const boost::circular_buffer_space_optimized<T> &src, const int offset = 0)
     {
-        QVector<T> ret;
+        QList<T> ret;
         ret.reserve(static_cast<typename decltype(ret)::size_type>(src.size()) - offset);
         std::copy((src.begin() + offset), src.end(), std::back_inserter(ret));
         return ret;
@@ -90,7 +90,7 @@ void Logger::addPeer(const QString &ip, const bool blocked, const QString &reaso
     emit newLogPeer(msg);
 }
 
-QVector<Log::Msg> Logger::getMessages(const int lastKnownId) const
+QList<Log::Msg> Logger::getMessages(const int lastKnownId) const
 {
     const QReadLocker locker(&m_lock);
 
@@ -106,7 +106,7 @@ QVector<Log::Msg> Logger::getMessages(const int lastKnownId) const
     return loadFromBuffer(m_messages, (size - diff));
 }
 
-QVector<Log::Peer> Logger::getPeers(const int lastKnownId) const
+QList<Log::Peer> Logger::getPeers(const int lastKnownId) const
 {
     const QReadLocker locker(&m_lock);
 

src/base/logger.h

@@ -81,8 +81,8 @@ public:
 
     void addMessage(const QString &message, const Log::MsgType &type = Log::NORMAL);
     void addPeer(const QString &ip, bool blocked, const QString &reason = {});
-    QVector<Log::Msg> getMessages(int lastKnownId = -1) const;
-    QVector<Log::Peer> getPeers(int lastKnownId = -1) const;
+    QList<Log::Msg> getMessages(int lastKnownId = -1) const;
+    QList<Log::Peer> getPeers(int lastKnownId = -1) const;
 
 signals:
     void newLogMessage(const Log::Msg &message);

src/base/net/dnsupdater.cpp

@@ -96,9 +96,9 @@ void DNSUpdater::ipRequestFinished(const DownloadResult &result)
     const QRegularExpressionMatch ipRegexMatch = QRegularExpression(u"Current IP Address:\\s+([^<]+)</body>"_s).match(QString::fromUtf8(result.data));
     if (ipRegexMatch.hasMatch())
     {
-        QString ipStr = ipRegexMatch.captured(1);
+        const QString ipStr = ipRegexMatch.captured(1);
         qDebug() << Q_FUNC_INFO << "Regular expression captured the following IP:" << ipStr;
-        QHostAddress newIp(ipStr);
+        const QHostAddress newIp {ipStr};
         if (!newIp.isNull())
         {
             if (m_lastIP != newIp)
@@ -153,7 +153,7 @@ QString DNSUpdater::getUpdateUrl() const
         break;
     default:
         qWarning() << "Unrecognized Dynamic DNS service!";
-        Q_ASSERT(false);
+        Q_UNREACHABLE();
         break;
     }
     url.setPath(u"/nic/update"_s);
@@ -305,7 +305,7 @@ QUrl DNSUpdater::getRegistrationUrl(const DNS::Service service)
     case DNS::Service::NoIP:
         return {u"https://www.noip.com/remote-access"_s};
     default:
-        Q_ASSERT(false);
+        Q_UNREACHABLE();
         break;
     }
     return {};

src/base/net/downloadmanager.cpp

@@ -265,38 +265,37 @@ void Net::DownloadManager::applyProxySettings()
     const auto *proxyManager = ProxyConfigurationManager::instance();
     const ProxyConfiguration proxyConfig = proxyManager->proxyConfiguration();
 
-    m_proxy = QNetworkProxy(QNetworkProxy::NoProxy);
-
-    if ((proxyConfig.type == Net::ProxyType::None) || (proxyConfig.type == ProxyType::SOCKS4))
-        return;
-
-    // Proxy enabled
-    if (proxyConfig.type == ProxyType::SOCKS5)
+    switch (proxyConfig.type)
     {
-        qDebug() << Q_FUNC_INFO << "using SOCKS proxy";
-        m_proxy.setType(QNetworkProxy::Socks5Proxy);
-    }
-    else
-    {
-        qDebug() << Q_FUNC_INFO << "using HTTP proxy";
-        m_proxy.setType(QNetworkProxy::HttpProxy);
-    }
+    case Net::ProxyType::None:
+    case Net::ProxyType::SOCKS4:
+        m_proxy = QNetworkProxy(QNetworkProxy::NoProxy);
+        break;
 
-    m_proxy.setHostName(proxyConfig.ip);
-    m_proxy.setPort(proxyConfig.port);
+    case Net::ProxyType::HTTP:
+        m_proxy = QNetworkProxy(
+            QNetworkProxy::HttpProxy
+            , proxyConfig.ip
+            , proxyConfig.port
+            , (proxyConfig.authEnabled ? proxyConfig.username : QString())
+            , (proxyConfig.authEnabled ? proxyConfig.password : QString()));
+        m_proxy.setCapabilities(proxyConfig.hostnameLookupEnabled
+            ? (m_proxy.capabilities() | QNetworkProxy::HostNameLookupCapability)
+            : (m_proxy.capabilities() & ~QNetworkProxy::HostNameLookupCapability));
+        break;
 
-    // Authentication?
-    if (proxyConfig.authEnabled)
-    {
-        qDebug("Proxy requires authentication, authenticating...");
-        m_proxy.setUser(proxyConfig.username);
-        m_proxy.setPassword(proxyConfig.password);
-    }
-
-    if (proxyConfig.hostnameLookupEnabled)
-        m_proxy.setCapabilities(m_proxy.capabilities() | QNetworkProxy::HostNameLookupCapability);
-    else
-        m_proxy.setCapabilities(m_proxy.capabilities() & ~QNetworkProxy::HostNameLookupCapability);
+    case Net::ProxyType::SOCKS5:
+        m_proxy = QNetworkProxy(
+            QNetworkProxy::Socks5Proxy
+            , proxyConfig.ip
+            , proxyConfig.port
+            , (proxyConfig.authEnabled ? proxyConfig.username : QString())
+            , (proxyConfig.authEnabled ? proxyConfig.password : QString()));
+        m_proxy.setCapabilities(proxyConfig.hostnameLookupEnabled
+            ? (m_proxy.capabilities() | QNetworkProxy::HostNameLookupCapability)
+            : (m_proxy.capabilities() & ~QNetworkProxy::HostNameLookupCapability));
+        break;
+    };
 }
 
 void Net::DownloadManager::processWaitingJobs(const ServiceID &serviceID)
@@ -320,14 +319,11 @@ void Net::DownloadManager::processRequest(DownloadHandlerImpl *downloadHandler)
 
     const DownloadRequest downloadRequest = downloadHandler->downloadRequest();
     QNetworkRequest request {downloadRequest.url()};
-
-    if (downloadRequest.userAgent().isEmpty())
-        request.setRawHeader("User-Agent", getBrowserUserAgent());
-    else
-        request.setRawHeader("User-Agent", downloadRequest.userAgent().toUtf8());
+    request.setHeader(QNetworkRequest::UserAgentHeader, (downloadRequest.userAgent().isEmpty()
+        ? getBrowserUserAgent() : downloadRequest.userAgent().toUtf8()));
 
     // Spoof HTTP Referer to allow adding torrent link from Torcache/KickAssTorrents
-    request.setRawHeader("Referer", request.url().toEncoded().data());
+    request.setRawHeader("Referer", request.url().toEncoded());
 #ifdef QT_NO_COMPRESS
     // The macro "QT_NO_COMPRESS" defined in QT will disable the zlib related features
     // and reply data auto-decompression in QT will also be disabled. But we can support

src/base/net/geoipdatabase.cpp

@@ -28,6 +28,7 @@
 
 #include "geoipdatabase.h"
 
+#include <QByteArray>
 #include <QDateTime>
 #include <QDebug>
 #include <QFile>
@@ -41,7 +42,7 @@ namespace
 {
     const qint32 MAX_FILE_SIZE = 67108864; // 64MB
     const quint32 MAX_METADATA_SIZE = 131072; // 128KB
-    const char METADATA_BEGIN_MARK[] = "\xab\xcd\xefMaxMind.com";
+    const QByteArray METADATA_BEGIN_MARK = QByteArrayLiteral("\xab\xcd\xefMaxMind.com");
     const char DATA_SECTION_SEPARATOR[16] = {0};
 
     enum class DataType
@@ -309,7 +310,7 @@ QVariantHash GeoIPDatabase::readMetadata() const
     {
         if (m_size > MAX_METADATA_SIZE)
             index += (m_size - MAX_METADATA_SIZE); // from begin of all data
-        auto offset = static_cast<quint32>(index + strlen(METADATA_BEGIN_MARK));
+        auto offset = static_cast<quint32>(index + METADATA_BEGIN_MARK.size());
         const QVariant metadata = readDataField(offset);
         if (metadata.userType() == QMetaType::QVariantHash)
             return metadata.toHash();

src/base/net/geoipmanager.cpp

@@ -456,15 +456,15 @@ void GeoIPManager::downloadFinished(const DownloadResult &result)
                 Utils::Fs::mkpath(targetPath);
 
             const auto path = targetPath / Path(GEODB_FILENAME);
-            const nonstd::expected<void, QString> result = Utils::IO::saveToFile(path, data);
-            if (result)
+            const nonstd::expected<void, QString> saveResult = Utils::IO::saveToFile(path, data);
+            if (saveResult)
             {
                 LogMsg(tr("Successfully updated IP geolocation database."), Log::INFO);
             }
             else
             {
                 LogMsg(tr("Couldn't save downloaded IP geolocation database file. Reason: %1")
-                    .arg(result.error()), Log::WARNING);
+                    .arg(saveResult.error()), Log::WARNING);
             }
         }
         else

src/base/net/smtp.cpp

@@ -148,8 +148,7 @@ void Smtp::sendMail(const QString &from, const QString &to, const QString &subje
     // Encode the body in base64
     QString crlfBody = body;
     const QByteArray b = crlfBody.replace(u"\n"_s, u"\r\n"_s).toUtf8().toBase64();
-    const int ct = b.length();
-    for (int i = 0; i < ct; i += 78)
+    for (int i = 0, end = b.length(); i < end; i += 78)
         m_message += b.mid(i, 78);
     m_from = from;
     m_rcpt = to;
@@ -190,8 +189,12 @@ void Smtp::readyRead()
     {
         const int pos = m_buffer.indexOf("\r\n");
         if (pos < 0) return; // Loop exit condition
-        const QByteArray line = m_buffer.left(pos);
+        const QByteArray line = m_buffer.first(pos);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+        m_buffer.slice(pos + 2);
+#else
         m_buffer.remove(0, (pos + 2));
+#endif
         qDebug() << "Response line:" << line;
         // Extract response code
         const QByteArray code = line.left(3);
@@ -565,29 +568,11 @@ void Smtp::logError(const QString &msg)
 
 QString Smtp::getCurrentDateTime() const
 {
-    // return date & time in the format specified in RFC 2822, section 3.3
-    const QDateTime nowDateTime = QDateTime::currentDateTime();
-    const QDate nowDate = nowDateTime.date();
-    const QLocale eng(QLocale::English);
-
-    const QString timeStr = nowDateTime.time().toString(u"HH:mm:ss");
-    const QString weekDayStr = eng.dayName(nowDate.dayOfWeek(), QLocale::ShortFormat);
-    const QString dayStr = QString::number(nowDate.day());
-    const QString monthStr = eng.monthName(nowDate.month(), QLocale::ShortFormat);
-    const QString yearStr = QString::number(nowDate.year());
-
-    QDateTime tmp = nowDateTime;
-    tmp.setTimeSpec(Qt::UTC);
-    const int timeOffsetHour = nowDateTime.secsTo(tmp) / 3600;
-    const int timeOffsetMin = nowDateTime.secsTo(tmp) / 60 - (60 * timeOffsetHour);
-    const int timeOffset = timeOffsetHour * 100 + timeOffsetMin;
-    // buf size = 11 to avoid format truncation warnings from snprintf
-    char buf[11] = {0};
-    std::snprintf(buf, sizeof(buf), "%+05d", timeOffset);
-    const auto timeOffsetStr = QString::fromUtf8(buf);
-
-    const QString ret = weekDayStr + u", " + dayStr + u' ' + monthStr + u' ' + yearStr + u' ' + timeStr + u' ' + timeOffsetStr;
-    return ret;
+    // [rfc2822] 3.3. Date and Time Specification
+    const auto now = QDateTime::currentDateTime();
+    const QLocale eng {QLocale::English};
+    const QString weekday = eng.dayName(now.date().dayOfWeek(), QLocale::ShortFormat);
+    return (weekday + u", " + now.toString(Qt::RFC2822Date));
 }
 
 void Smtp::error(QAbstractSocket::SocketError socketError)

src/base/path.cpp

@@ -94,7 +94,13 @@ bool Path::isValid() const
 #if defined(Q_OS_WIN)
     QStringView view = m_pathStr;
     if (hasDriveLetter(view))
-        view = view.mid(3);
+    {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+        view.slice(3);
+#else
+        view = view.sliced(3);
+#endif
+    }
 
     // \\37 is using base-8 number system
     const QRegularExpression regex {u"[\\0-\\37:?\"*<>|]"_s};
@@ -147,9 +153,9 @@ Path Path::rootItem() const
 #ifdef Q_OS_WIN
     // should be `c:/` instead of `c:`
     if ((slashIndex == 2) && hasDriveLetter(m_pathStr))
-        return createUnchecked(m_pathStr.left(slashIndex + 1));
+        return createUnchecked(m_pathStr.first(slashIndex + 1));
 #endif
-    return createUnchecked(m_pathStr.left(slashIndex));
+    return createUnchecked(m_pathStr.first(slashIndex));
 }
 
 Path Path::parentPath() const
@@ -167,9 +173,9 @@ Path Path::parentPath() const
     // should be `c:/` instead of `c:`
     // Windows "drive letter" is limited to one alphabet
     if ((slashIndex == 2) && hasDriveLetter(m_pathStr))
-        return (m_pathStr.size() == 3) ? Path() : createUnchecked(m_pathStr.left(slashIndex + 1));
+        return (m_pathStr.size() == 3) ? Path() : createUnchecked(m_pathStr.first(slashIndex + 1));
 #endif
-    return createUnchecked(m_pathStr.left(slashIndex));
+    return createUnchecked(m_pathStr.first(slashIndex));
 }
 
 QString Path::filename() const
@@ -178,7 +184,7 @@ QString Path::filename() const
     if (slashIndex == -1)
         return m_pathStr;
 
-    return m_pathStr.mid(slashIndex + 1);
+    return m_pathStr.sliced(slashIndex + 1);
 }
 
 QString Path::extension() const
@@ -188,9 +194,9 @@ QString Path::extension() const
         return (u"." + suffix);
 
     const int slashIndex = m_pathStr.lastIndexOf(u'/');
-    const auto filename = QStringView(m_pathStr).mid(slashIndex + 1);
+    const auto filename = QStringView(m_pathStr).sliced(slashIndex + 1);
     const int dotIndex = filename.lastIndexOf(u'.', -2);
-    return ((dotIndex == -1) ? QString() : filename.mid(dotIndex).toString());
+    return ((dotIndex == -1) ? QString() : filename.sliced(dotIndex).toString());
 }
 
 bool Path::hasExtension(const QStringView ext) const
@@ -293,7 +299,7 @@ Path Path::commonPath(const Path &left, const Path &right)
     if (commonItemsCount > 0)
         commonPathSize += (commonItemsCount - 1); // size of intermediate separators
 
-    return Path::createUnchecked(left.m_pathStr.left(commonPathSize));
+    return Path::createUnchecked(left.m_pathStr.first(commonPathSize));
 }
 
 Path Path::findRootFolder(const PathList &filePaths)
@@ -322,7 +328,13 @@ void Path::stripRootFolder(PathList &filePaths)
         return;
 
     for (Path &filePath : filePaths)
+    {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+        filePath.m_pathStr.slice(commonRootFolder.m_pathStr.size() + 1);
+#else
         filePath.m_pathStr.remove(0, (commonRootFolder.m_pathStr.size() + 1));
+#endif
+    }
 }
 
 void Path::addRootFolder(PathList &filePaths, const Path &rootFolder)

src/base/preferences.cpp

@@ -359,6 +359,32 @@ void Preferences::setStatusbarDisplayed(const bool displayed)
     setValue(u"Preferences/General/StatusbarDisplayed"_s, displayed);
 }
 
+bool Preferences::isStatusbarFreeDiskSpaceDisplayed() const
+{
+    return value(u"Preferences/General/StatusbarFreeDiskSpaceDisplayed"_s, false);
+}
+
+void Preferences::setStatusbarFreeDiskSpaceDisplayed(const bool displayed)
+{
+    if (displayed == isStatusbarFreeDiskSpaceDisplayed())
+        return;
+
+    setValue(u"Preferences/General/StatusbarFreeDiskSpaceDisplayed"_s, displayed);
+}
+
+bool Preferences::isStatusbarExternalIPDisplayed() const
+{
+    return value(u"Preferences/General/StatusbarExternalIPDisplayed"_s, false);
+}
+
+void Preferences::setStatusbarExternalIPDisplayed(const bool displayed)
+{
+    if (displayed == isStatusbarExternalIPDisplayed())
+        return;
+
+    setValue(u"Preferences/General/StatusbarExternalIPDisplayed"_s, displayed);
+}
+
 bool Preferences::isSplashScreenDisabled() const
 {
     return value(u"Preferences/General/NoSplashScreen"_s, true);
@@ -642,6 +668,47 @@ void Preferences::setSearchEnabled(const bool enabled)
     setValue(u"Preferences/Search/SearchEnabled"_s, enabled);
 }
 
+int Preferences::searchHistoryLength() const
+{
+    const int val = value(u"Search/HistoryLength"_s, 50);
+    return std::clamp(val, 0, 99);
+}
+
+void Preferences::setSearchHistoryLength(const int length)
+{
+    const int clampedLength = std::clamp(length, 0, 99);
+    if (clampedLength == searchHistoryLength())
+        return;
+
+    setValue(u"Search/HistoryLength"_s, clampedLength);
+}
+
+bool Preferences::storeOpenedSearchTabs() const
+{
+    return value(u"Search/StoreOpenedSearchTabs"_s, false);
+}
+
+void Preferences::setStoreOpenedSearchTabs(const bool enabled)
+{
+    if (enabled == storeOpenedSearchTabs())
+        return;
+
+    setValue(u"Search/StoreOpenedSearchTabs"_s, enabled);
+}
+
+bool Preferences::storeOpenedSearchTabResults() const
+{
+    return value(u"Search/StoreOpenedSearchTabResults"_s, false);
+}
+
+void Preferences::setStoreOpenedSearchTabResults(const bool enabled)
+{
+    if (enabled == storeOpenedSearchTabResults())
+        return;
+
+    setValue(u"Search/StoreOpenedSearchTabResults"_s, enabled);
+}
+
 bool Preferences::isWebUIEnabled() const
 {
 #ifdef DISABLE_GUI
@@ -686,11 +753,11 @@ void Preferences::setWebUIAuthSubnetWhitelistEnabled(const bool enabled)
     setValue(u"Preferences/WebUI/AuthSubnetWhitelistEnabled"_s, enabled);
 }
 
-QVector<Utils::Net::Subnet> Preferences::getWebUIAuthSubnetWhitelist() const
+QList<Utils::Net::Subnet> Preferences::getWebUIAuthSubnetWhitelist() const
 {
     const auto subnets = value<QStringList>(u"Preferences/WebUI/AuthSubnetWhitelist"_s);
 
-    QVector<Utils::Net::Subnet> ret;
+    QList<Utils::Net::Subnet> ret;
     ret.reserve(subnets.size());
 
     for (const QString &rawSubnet : subnets)
@@ -2000,6 +2067,19 @@ void Preferences::setAddNewTorrentDialogSavePathHistoryLength(const int value)
     setValue(u"AddNewTorrentDialog/SavePathHistoryLength"_s, clampedValue);
 }
 
+bool Preferences::isAddNewTorrentDialogAttached() const
+{
+    return value(u"AddNewTorrentDialog/Attached"_s, false);
+}
+
+void Preferences::setAddNewTorrentDialogAttached(const bool attached)
+{
+    if (attached == isAddNewTorrentDialogAttached())
+        return;
+
+    setValue(u"AddNewTorrentDialog/Attached"_s, attached);
+}
+
 void Preferences::apply()
 {
     if (SettingsStorage::instance()->save())

src/base/preferences.h

@@ -119,6 +119,10 @@ public:
     void setHideZeroComboValues(int n);
     bool isStatusbarDisplayed() const;
     void setStatusbarDisplayed(bool displayed);
+    bool isStatusbarFreeDiskSpaceDisplayed() const;
+    void setStatusbarFreeDiskSpaceDisplayed(bool displayed);
+    bool isStatusbarExternalIPDisplayed() const;
+    void setStatusbarExternalIPDisplayed(bool displayed);
     bool isToolbarDisplayed() const;
     void setToolbarDisplayed(bool displayed);
     bool isSplashScreenDisabled() const;
@@ -170,6 +174,14 @@ public:
     bool isSearchEnabled() const;
     void setSearchEnabled(bool enabled);
 
+    // Search UI
+    int searchHistoryLength() const;
+    void setSearchHistoryLength(int length);
+    bool storeOpenedSearchTabs() const;
+    void setStoreOpenedSearchTabs(bool enabled);
+    bool storeOpenedSearchTabResults() const;
+    void setStoreOpenedSearchTabResults(bool enabled);
+
     // HTTP Server
     bool isWebUIEnabled() const;
     void setWebUIEnabled(bool enabled);
@@ -187,7 +199,7 @@ public:
     void setWebUILocalAuthEnabled(bool enabled);
     bool isWebUIAuthSubnetWhitelistEnabled() const;
     void setWebUIAuthSubnetWhitelistEnabled(bool enabled);
-    QVector<Utils::Net::Subnet> getWebUIAuthSubnetWhitelist() const;
+    QList<Utils::Net::Subnet> getWebUIAuthSubnetWhitelist() const;
     void setWebUIAuthSubnetWhitelist(QStringList subnets);
     QString getWebUIUsername() const;
     void setWebUIUsername(const QString &username);
@@ -423,6 +435,8 @@ public:
     void setAddNewTorrentDialogTopLevel(bool value);
     int addNewTorrentDialogSavePathHistoryLength() const;
     void setAddNewTorrentDialogSavePathHistoryLength(int value);
+    bool isAddNewTorrentDialogAttached() const;
+    void setAddNewTorrentDialogAttached(bool attached);
 
 public slots:
     void setStatusFilterState(bool checked);

src/base/rss/feed_serializer.cpp

@@ -34,14 +34,14 @@
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonObject>
-#include <QVector>
+#include <QList>
 
 #include "base/logger.h"
 #include "base/path.h"
 #include "base/utils/io.h"
 #include "rss_article.h"
 
-const int ARTICLEDATALIST_TYPEID = qRegisterMetaType<QVector<QVariantHash>>();
+const int ARTICLEDATALIST_TYPEID = qRegisterMetaType<QList<QVariantHash>>();
 
 void RSS::Private::FeedSerializer::load(const Path &dataFileName, const QString &url)
 {
@@ -61,7 +61,7 @@ void RSS::Private::FeedSerializer::load(const Path &dataFileName, const QString
     emit loadingFinished(loadArticles(readResult.value(), url));
 }
 
-void RSS::Private::FeedSerializer::store(const Path &dataFileName, const QVector<QVariantHash> &articlesData)
+void RSS::Private::FeedSerializer::store(const Path &dataFileName, const QList<QVariantHash> &articlesData)
 {
     QJsonArray arr;
     for (const QVariantHash &data : articlesData)
@@ -73,7 +73,7 @@ void RSS::Private::FeedSerializer::store(const Path &dataFileName, const QVector
         arr << jsonObj;
     }
 
-    const nonstd::expected<void, QString> result = Utils::IO::saveToFile(dataFileName, QJsonDocument(arr).toJson());
+    const nonstd::expected<void, QString> result = Utils::IO::saveToFile(dataFileName, QJsonDocument(arr).toJson(QJsonDocument::Compact));
     if (!result)
     {
        LogMsg(tr("Failed to save RSS feed in '%1', Reason: %2").arg(dataFileName.toString(), result.error())
@@ -81,7 +81,7 @@ void RSS::Private::FeedSerializer::store(const Path &dataFileName, const QVector
     }
 }
 
-QVector<QVariantHash> RSS::Private::FeedSerializer::loadArticles(const QByteArray &data, const QString &url)
+QList<QVariantHash> RSS::Private::FeedSerializer::loadArticles(const QByteArray &data, const QString &url)
 {
     QJsonParseError jsonError;
     const QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
@@ -98,7 +98,7 @@ QVector<QVariantHash> RSS::Private::FeedSerializer::loadArticles(const QByteArra
         return {};
     }
 
-    QVector<QVariantHash> result;
+    QList<QVariantHash> result;
     const QJsonArray jsonArr = jsonDoc.array();
     result.reserve(jsonArr.size());
     for (int i = 0; i < jsonArr.size(); ++i)

src/base/rss/feed_serializer.h

@@ -49,12 +49,12 @@ namespace RSS::Private
         using QObject::QObject;
 
         void load(const Path &dataFileName, const QString &url);
-        void store(const Path &dataFileName, const QVector<QVariantHash> &articlesData);
+        void store(const Path &dataFileName, const QList<QVariantHash> &articlesData);
 
     signals:
-        void loadingFinished(const QVector<QVariantHash> &articles);
+        void loadingFinished(const QList<QVariantHash> &articles);
 
     private:
-        QVector<QVariantHash> loadArticles(const QByteArray &data, const QString &url);
+        QList<QVariantHash> loadArticles(const QByteArray &data, const QString &url);
     };
 }

src/base/rss/rss_autodownloader.cpp

@@ -35,14 +35,15 @@
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QJsonValue>
+#include <QList>
 #include <QThread>
 #include <QTimer>
 #include <QUrl>
 #include <QVariant>
-#include <QVector>
 
 #include "base/addtorrentmanager.h"
 #include "base/asyncfilestorage.h"
+#include "base/bittorrent/addtorrenterror.h"
 #include "base/bittorrent/session.h"
 #include "base/bittorrent/torrentdescriptor.h"
 #include "base/global.h"
@@ -68,7 +69,7 @@ const QString RULES_FILE_NAME = u"download_rules.json"_s;
 
 namespace
 {
-    QVector<RSS::AutoDownloadRule> rulesFromJSON(const QByteArray &jsonData)
+    QList<RSS::AutoDownloadRule> rulesFromJSON(const QByteArray &jsonData)
     {
         QJsonParseError jsonError;
         const QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData, &jsonError);
@@ -79,7 +80,7 @@ namespace
             throw RSS::ParsingError(RSS::AutoDownloader::tr("Invalid data format."));
 
         const QJsonObject jsonObj {jsonDoc.object()};
-        QVector<RSS::AutoDownloadRule> rules;
+        QList<RSS::AutoDownloadRule> rules;
         for (auto it = jsonObj.begin(); it != jsonObj.end(); ++it)
         {
             const QJsonValue jsonVal {it.value()};
@@ -123,6 +124,7 @@ AutoDownloader::AutoDownloader(IApplication *app)
                .arg(fileName.toString(), errorString), Log::CRITICAL);
     });
 
+    m_ioThread->setObjectName("RSS::AutoDownloader m_ioThread");
     m_ioThread->start();
 
     connect(app->addTorrentManager(), &AddTorrentManager::torrentAdded
@@ -374,10 +376,24 @@ void AutoDownloader::handleTorrentAdded(const QString &source)
     }
 }
 
-void AutoDownloader::handleAddTorrentFailed(const QString &source)
+void AutoDownloader::handleAddTorrentFailed(const QString &source, const BitTorrent::AddTorrentError &error)
 {
-    m_waitingJobs.remove(source);
-    // TODO: Re-schedule job here.
+    const auto job = m_waitingJobs.take(source);
+    if (!job)
+        return;
+
+    if (error.kind == BitTorrent::AddTorrentError::DuplicateTorrent)
+    {
+        if (Feed *feed = Session::instance()->feedByURL(job->feedURL))
+        {
+            if (Article *article = feed->articleByGUID(job->articleData.value(Article::KeyId).toString()))
+                article->markAsRead();
+        }
+    }
+    else
+    {
+        // TODO: Re-schedule job here.
+    }
 }
 
 void AutoDownloader::handleNewArticle(const Article *article)

src/base/rss/rss_autodownloader.h

@@ -41,13 +41,17 @@
 #include "base/settingvalue.h"
 #include "base/utils/thread.h"
 
-class QThread;
 class QTimer;
 
 class Application;
 class AsyncFileStorage;
 struct ProcessingJob;
 
+namespace BitTorrent
+{
+    struct AddTorrentError;
+}
+
 namespace RSS
 {
     class Article;
@@ -112,7 +116,7 @@ namespace RSS
     private slots:
         void process();
         void handleTorrentAdded(const QString &source);
-        void handleAddTorrentFailed(const QString &url);
+        void handleAddTorrentFailed(const QString &url, const BitTorrent::AddTorrentError &error);
         void handleNewArticle(const Article *article);
         void handleFeedURLChanged(Feed *feed, const QString &oldURL);
 

src/base/rss/rss_autodownloadrule.cpp

@@ -184,14 +184,10 @@ QString computeEpisodeName(const QString &article)
     for (int i = 1; i <= match.lastCapturedIndex(); ++i)
     {
         const QString cap = match.captured(i);
-
         if (cap.isEmpty())
             continue;
 
-        bool isInt = false;
-        const int x = cap.toInt(&isInt);
-
-        ret.append(isInt ? QString::number(x) : cap);
+        ret.append(cap);
     }
     return ret.join(u'x');
 }
@@ -293,20 +289,26 @@ bool AutoDownloadRule::matchesEpisodeFilterExpression(const QString &articleTitl
     if (!matcher.hasMatch())
         return false;
 
-    const QString season {matcher.captured(1)};
-    const QStringList episodes {matcher.captured(2).split(u';')};
+    const QStringView season {matcher.capturedView(1)};
+    const QList<QStringView> episodes {matcher.capturedView(2).split(u';')};
     const int seasonOurs {season.toInt()};
 
-    for (QString episode : episodes)
+    for (QStringView episode : episodes)
     {
         if (episode.isEmpty())
             continue;
 
         // We need to trim leading zeroes, but if it's all zeros then we want episode zero.
         while ((episode.size() > 1) && episode.startsWith(u'0'))
-            episode = episode.right(episode.size() - 1);
+        {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+            episode.slice(1);
+#else
+            episode = episode.sliced(1);
+#endif
+        }
 
-        if (episode.indexOf(u'-') != -1)
+        if (episode.contains(u'-'))
         { // Range detected
             const QString partialPattern1 {u"\\bs0?(\\d{1,4})[ -_\\.]?e(0?\\d{1,4})(?:\\D|\\b)"_s};
             const QString partialPattern2 {u"\\b(\\d{1,4})x(0?\\d{1,4})(?:\\D|\\b)"_s};
@@ -323,24 +325,25 @@ bool AutoDownloadRule::matchesEpisodeFilterExpression(const QString &articleTitl
 
             if (matched)
             {
-                const int seasonTheirs {matcher.captured(1).toInt()};
-                const int episodeTheirs {matcher.captured(2).toInt()};
+                const int seasonTheirs {matcher.capturedView(1).toInt()};
+                const int episodeTheirs {matcher.capturedView(2).toInt()};
 
                 if (episode.endsWith(u'-'))
                 { // Infinite range
-                    const int episodeOurs {QStringView(episode).left(episode.size() - 1).toInt()};
+                    const int episodeOurs {QStringView(episode).chopped(1).toInt()};
                     if (((seasonTheirs == seasonOurs) && (episodeTheirs >= episodeOurs)) || (seasonTheirs > seasonOurs))
                         return true;
                 }
                 else
                 { // Normal range
-                    const QStringList range {episode.split(u'-')};
+                    const QList<QStringView> range {episode.split(u'-')};
                     Q_ASSERT(range.size() == 2);
-                    if (range.first().toInt() > range.last().toInt())
-                        continue; // Ignore this subrule completely
 
                     const int episodeOursFirst {range.first().toInt()};
                     const int episodeOursLast {range.last().toInt()};
+                    if (episodeOursFirst > episodeOursLast)
+                        continue; // Ignore this subrule completely
+
                     if ((seasonTheirs == seasonOurs) && ((episodeOursFirst <= episodeTheirs) && (episodeOursLast >= episodeTheirs)))
                         return true;
                 }

src/base/rss/rss_feed.cpp

@@ -1,7 +1,7 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2024  Jonathan Ketchker
- * Copyright (C) 2015-2022  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2010  Christophe Dumez <chris@qbittorrent.org>
  * Copyright (C) 2010  Arnaud Demaiziere <arnaud@qbittorrent.org>
  *
@@ -39,8 +39,8 @@
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QJsonValue>
+#include <QList>
 #include <QUrl>
-#include <QVector>
 
 #include "base/asyncfilestorage.h"
 #include "base/global.h"
@@ -56,19 +56,22 @@
 
 const QString KEY_UID = u"uid"_s;
 const QString KEY_URL = u"url"_s;
+const QString KEY_REFRESHINTERVAL = u"refreshInterval"_s;
 const QString KEY_TITLE = u"title"_s;
 const QString KEY_LASTBUILDDATE = u"lastBuildDate"_s;
 const QString KEY_ISLOADING = u"isLoading"_s;
 const QString KEY_HASERROR = u"hasError"_s;
 const QString KEY_ARTICLES = u"articles"_s;
 
+using namespace std::chrono_literals;
 using namespace RSS;
 
-Feed::Feed(const QUuid &uid, const QString &url, const QString &path, Session *session)
+Feed::Feed(Session *session, const QUuid &uid, const QString &url, const QString &path, const std::chrono::seconds refreshInterval)
     : Item(path)
-    , m_session(session)
-    , m_uid(uid)
-    , m_url(url)
+    , m_session {session}
+    , m_uid {uid}
+    , m_url {url}
+    , m_refreshInterval {refreshInterval}
 {
     const auto uidHex = QString::fromLatin1(m_uid.toRfc4122().toHex());
     m_dataFileName = Path(uidHex + u".json");
@@ -301,7 +304,7 @@ void Feed::store()
     m_dirty = false;
     m_savingTimer.stop();
 
-    QVector<QVariantHash> articlesData;
+    QList<QVariantHash> articlesData;
     articlesData.reserve(m_articles.size());
 
     for (Article *article :asConst(m_articles))
@@ -327,9 +330,9 @@ bool Feed::addArticle(const QVariantHash &articleData)
 
     // Insertion sort
     const int maxArticles = m_session->maxArticlesPerFeed();
-    const auto lowerBound = std::lower_bound(m_articlesByDate.begin(), m_articlesByDate.end()
-                                       , articleData.value(Article::KeyDate).toDateTime(), Article::articleDateRecentThan);
-    if ((lowerBound - m_articlesByDate.begin()) >= maxArticles)
+    const auto lowerBound = std::lower_bound(m_articlesByDate.cbegin(), m_articlesByDate.cend()
+        , articleData.value(Article::KeyDate).toDateTime(), Article::articleDateRecentThan);
+    if ((lowerBound - m_articlesByDate.cbegin()) >= maxArticles)
         return false; // we reach max articles
 
     auto *article = new Article(this, articleData);
@@ -395,7 +398,7 @@ int Feed::updateArticles(const QList<QVariantHash> &loadedArticles)
         return 0;
 
     QDateTime dummyPubDate {QDateTime::currentDateTime()};
-    QVector<QVariantHash> newArticles;
+    QList<QVariantHash> newArticles;
     newArticles.reserve(loadedArticles.size());
     for (QVariantHash article : loadedArticles)
     {
@@ -462,6 +465,20 @@ Path Feed::iconPath() const
     return m_iconPath;
 }
 
+std::chrono::seconds Feed::refreshInterval() const
+{
+    return m_refreshInterval;
+}
+
+void Feed::setRefreshInterval(const std::chrono::seconds refreshInterval)
+{
+    if (refreshInterval == m_refreshInterval)
+        return;
+
+    const std::chrono::seconds oldRefreshInterval = std::exchange(m_refreshInterval, refreshInterval);
+    emit refreshIntervalChanged(oldRefreshInterval);
+}
+
 void Feed::setURL(const QString &url)
 {
     const QString oldURL = m_url;
@@ -474,6 +491,8 @@ QJsonValue Feed::toJsonValue(const bool withData) const
     QJsonObject jsonObj;
     jsonObj.insert(KEY_UID, uid().toString());
     jsonObj.insert(KEY_URL, url());
+    if (refreshInterval() > 0s)
+        jsonObj.insert(KEY_REFRESHINTERVAL, static_cast<qint64>(refreshInterval().count()));
 
     if (withData)
     {
@@ -516,7 +535,7 @@ void Feed::handleArticleRead(Article *article)
     storeDeferred();
 }
 
-void Feed::handleArticleLoadFinished(QVector<QVariantHash> articles)
+void Feed::handleArticleLoadFinished(QList<QVariantHash> articles)
 {
     Q_ASSERT(m_articles.isEmpty());
     Q_ASSERT(m_unreadCount == 0);

src/base/rss/rss_feed.h

@@ -1,7 +1,7 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2024  Jonathan Ketchker
- * Copyright (C) 2015-2022  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2010  Christophe Dumez <chris@qbittorrent.org>
  * Copyright (C) 2010  Arnaud Demaiziere <arnaud@qbittorrent.org>
  *
@@ -31,6 +31,8 @@
 
 #pragma once
 
+#include <chrono>
+
 #include <QtContainerFwd>
 #include <QBasicTimer>
 #include <QHash>
@@ -68,7 +70,7 @@ namespace RSS
 
         friend class Session;
 
-        Feed(const QUuid &uid, const QString &url, const QString &path, Session *session);
+        Feed(Session *session, const QUuid &uid, const QString &url, const QString &path, std::chrono::seconds refreshInterval);
         ~Feed() override;
 
     public:
@@ -87,6 +89,9 @@ namespace RSS
         Article *articleByGUID(const QString &guid) const;
         Path iconPath() const;
 
+        std::chrono::seconds refreshInterval() const;
+        void setRefreshInterval(std::chrono::seconds refreshInterval);
+
         QJsonValue toJsonValue(bool withData = false) const override;
 
     signals:
@@ -94,6 +99,7 @@ namespace RSS
         void titleChanged(Feed *feed = nullptr);
         void stateChanged(Feed *feed = nullptr);
         void urlChanged(const QString &oldURL);
+        void refreshIntervalChanged(std::chrono::seconds oldRefreshInterval);
 
     private slots:
         void handleSessionProcessingEnabledChanged(bool enabled);
@@ -102,7 +108,7 @@ namespace RSS
         void handleDownloadFinished(const Net::DownloadResult &result);
         void handleParsingFinished(const Private::ParsingResult &result);
         void handleArticleRead(Article *article);
-        void handleArticleLoadFinished(QVector<QVariantHash> articles);
+        void handleArticleLoadFinished(QList<QVariantHash> articles);
 
     private:
         void timerEvent(QTimerEvent *event) override;
@@ -123,6 +129,7 @@ namespace RSS
         Private::FeedSerializer *m_serializer = nullptr;
         const QUuid m_uid;
         QString m_url;
+        std::chrono::seconds m_refreshInterval;
         QString m_title;
         QString m_lastBuildDate;
         bool m_hasError = false;

src/base/rss/rss_item.cpp

@@ -97,7 +97,7 @@ QStringList Item::expandPath(const QString &path)
     int index = 0;
     while ((index = path.indexOf(Item::PathSeparator, index)) >= 0)
     {
-        result << path.left(index);
+        result << path.first(index);
         ++index;
     }
     result << path;
@@ -108,11 +108,11 @@ QStringList Item::expandPath(const QString &path)
 QString Item::parentPath(const QString &path)
 {
     const int pos = path.lastIndexOf(Item::PathSeparator);
-    return (pos >= 0) ? path.left(pos) : QString();
+    return (pos >= 0) ? path.first(pos) : QString();
 }
 
 QString Item::relativeName(const QString &path)
 {
-    int pos;
-    return ((pos = path.lastIndexOf(Item::PathSeparator)) >= 0 ? path.right(path.size() - (pos + 1)) : path);
+    const int pos = path.lastIndexOf(Item::PathSeparator);
+    return (pos >= 0) ? path.sliced(pos + 1) : path;
 }

src/base/rss/rss_parser.cpp

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2012  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -33,6 +33,7 @@
 #include <QHash>
 #include <QRegularExpression>
 #include <QStringList>
+#include <QTimeZone>
 #include <QVariant>
 #include <QXmlStreamEntityResolver>
 #include <QXmlStreamReader>
@@ -518,7 +519,7 @@ namespace
             return fallbackDate;
 
         const QTime qTime(hour, minute, second);
-        QDateTime result(qDate, qTime, Qt::UTC);
+        QDateTime result(qDate, qTime, QTimeZone::UTC);
         if (offset)
             result = result.addSecs(-offset);
         if (!result.isValid())

src/base/rss/rss_parser.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2012  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or

src/base/rss/rss_session.cpp

@@ -1,7 +1,7 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2017-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2024  Jonathan Ketchker
- * Copyright (C) 2017  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2010  Christophe Dumez <chris@qbittorrent.org>
  * Copyright (C) 2010  Arnaud Demaiziere <arnaud@qbittorrent.org>
  *
@@ -56,6 +56,7 @@ const QString CONF_FOLDER_NAME = u"rss"_s;
 const QString DATA_FOLDER_NAME = u"rss/articles"_s;
 const QString FEEDS_FILE_NAME = u"feeds.json"_s;
 
+using namespace std::chrono_literals;
 using namespace RSS;
 
 QPointer<Session> Session::m_instance = nullptr;
@@ -90,15 +91,14 @@ Session::Session()
 
     m_itemsByPath.insert(u""_s, new Folder); // root folder
 
+    m_workingThread->setObjectName("RSS::Session m_workingThread");
     m_workingThread->start();
     load();
 
+    m_refreshTimer.setSingleShot(true);
     connect(&m_refreshTimer, &QTimer::timeout, this, &Session::refresh);
     if (isProcessingEnabled())
-    {
-        m_refreshTimer.start(std::chrono::minutes(refreshInterval()));
         refresh();
-    }
 
     // Remove legacy/corrupted settings
     // (at least on Windows, QSettings is case-insensitive and it can get
@@ -137,19 +137,20 @@ Session *Session::instance()
     return m_instance;
 }
 
-nonstd::expected<void, QString> Session::addFolder(const QString &path)
+nonstd::expected<Folder *, QString> Session::addFolder(const QString &path)
 {
     const nonstd::expected<Folder *, QString> result = prepareItemDest(path);
     if (!result)
         return result.get_unexpected();
 
     auto *destFolder = result.value();
-    addItem(new Folder(path), destFolder);
+    auto *folder = new Folder(path);
+    addItem(folder, destFolder);
     store();
-    return {};
+    return folder;
 }
 
-nonstd::expected<void, QString> Session::addFeed(const QString &url, const QString &path)
+nonstd::expected<Feed *, QString> Session::addFeed(const QString &url, const QString &path, const std::chrono::seconds refreshInterval)
 {
     if (m_feedsByURL.contains(url))
         return nonstd::make_unexpected(tr("RSS feed with given URL already exists: %1.").arg(url));
@@ -159,13 +160,13 @@ nonstd::expected<void, QString> Session::addFeed(const QString &url, const QStri
         return result.get_unexpected();
 
     auto *destFolder = result.value();
-    auto *feed = new Feed(generateUID(), url, path, this);
+    auto *feed = new Feed(this, generateUID(), url, path, refreshInterval);
     addItem(feed, destFolder);
     store();
     if (isProcessingEnabled())
-        feed->refresh();
+        refreshFeed(feed, std::chrono::system_clock::now());
 
-    return {};
+    return feed;
 }
 
 nonstd::expected<void, QString> Session::setFeedURL(const QString &path, const QString &url)
@@ -191,7 +192,7 @@ nonstd::expected<void, QString> Session::setFeedURL(Feed *feed, const QString &u
     feed->setURL(url);
     store();
     if (isProcessingEnabled())
-        feed->refresh();
+        refreshFeed(feed, std::chrono::system_clock::now());
 
     return {};
 }
@@ -213,14 +214,20 @@ nonstd::expected<void, QString> Session::moveItem(Item *item, const QString &des
     Q_ASSERT(item);
     Q_ASSERT(item != rootFolder());
 
+    if (item->path() == destPath)
+        return {};
+
+    if (auto *folder = static_cast<Folder *>(item)) // if `item` is a `Folder`
+    {
+        if (destPath.startsWith(folder->path() + Item::PathSeparator))
+            return nonstd::make_unexpected(tr("Can't move a folder into itself or its subfolders."));
+    }
+
     const nonstd::expected<Folder *, QString> result = prepareItemDest(destPath);
     if (!result)
         return result.get_unexpected();
 
     auto *destFolder = result.value();
-    if (static_cast<Item *>(destFolder) == item)
-        return nonstd::make_unexpected(tr("Couldn't move folder into itself."));
-
     auto *srcFolder = static_cast<Folder *>(m_itemsByPath.value(Item::parentPath(item->path())));
     if (srcFolder != destFolder)
     {
@@ -313,7 +320,7 @@ bool Session::loadFolder(const QJsonObject &jsonObj, Folder *folder)
             QString url = val.toString();
             if (url.isEmpty())
                 url = key;
-            addFeedToFolder(generateUID(), url, key, folder);
+            addFeedToFolder(generateUID(), url, key, folder, 0s);
             updated = true;
         }
         else if (val.isObject())
@@ -353,7 +360,9 @@ bool Session::loadFolder(const QJsonObject &jsonObj, Folder *folder)
                     updated = true;
                 }
 
-                addFeedToFolder(uid, valObj[u"url"].toString(), key, folder);
+                const auto refreshInterval = std::chrono::seconds(valObj[u"refreshInterval"].toInteger());
+
+                addFeedToFolder(uid, valObj[u"url"].toString(), key, folder, refreshInterval);
             }
             else
             {
@@ -384,8 +393,14 @@ void Session::loadLegacy()
     uint i = 0;
     for (QString legacyPath : legacyFeedPaths)
     {
-        if (Item::PathSeparator == legacyPath[0])
+        if (legacyPath.startsWith(Item::PathSeparator))
+        {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+            legacyPath.slice(1);
+#else
             legacyPath.remove(0, 1);
+#endif
+        }
         const QString parentFolderPath = Item::parentPath(legacyPath);
         const QString feedUrl = Item::relativeName(legacyPath);
 
@@ -403,7 +418,7 @@ void Session::loadLegacy()
 void Session::store()
 {
     m_confFileStorage->store(Path(FEEDS_FILE_NAME)
-                             , QJsonDocument(rootFolder()->toJsonValue().toObject()).toJson());
+            , QJsonDocument(rootFolder()->toJsonValue().toObject()).toJson());
 }
 
 nonstd::expected<Folder *, QString> Session::prepareItemDest(const QString &path)
@@ -429,9 +444,9 @@ Folder *Session::addSubfolder(const QString &name, Folder *parentFolder)
     return folder;
 }
 
-Feed *Session::addFeedToFolder(const QUuid &uid, const QString &url, const QString &name, Folder *parentFolder)
+Feed *Session::addFeedToFolder(const QUuid &uid, const QString &url, const QString &name, Folder *parentFolder, const std::chrono::seconds refreshInterval)
 {
-    auto *feed = new Feed(uid, url, Item::joinPath(parentFolder->path(), name), this);
+    auto *feed = new Feed(this, uid, url, Item::joinPath(parentFolder->path(), name), refreshInterval);
     addItem(feed, parentFolder);
     return feed;
 }
@@ -453,8 +468,25 @@ void Session::addItem(Item *item, Folder *destFolder)
 
             emit feedURLChanged(feed, oldURL);
         });
+        connect(feed, &Feed::refreshIntervalChanged, this, [this, feed](const std::chrono::seconds oldRefreshInterval)
+        {
+            store();
+
+            std::chrono::system_clock::time_point &nextRefresh = m_refreshTimepoints[feed];
+            if (nextRefresh > std::chrono::system_clock::time_point())
+                nextRefresh += feed->refreshInterval() - oldRefreshInterval;
+
+            if (isProcessingEnabled())
+            {
+                const std::chrono::seconds oldEffectiveRefreshInterval = (oldRefreshInterval > 0s)
+                        ? oldRefreshInterval : std::chrono::minutes(refreshInterval());
+                if (feed->refreshInterval() < oldEffectiveRefreshInterval)
+                    refresh();
+            }
+        });
         m_feedsByUID[feed->uid()] = feed;
         m_feedsByURL[feed->url()] = feed;
+        m_refreshTimepoints.emplace(feed, std::chrono::system_clock::time_point());
     }
 
     connect(item, &Item::pathChanged, this, &Session::itemPathChanged);
@@ -475,14 +507,9 @@ void Session::setProcessingEnabled(const bool enabled)
     {
         m_storeProcessingEnabled = enabled;
         if (enabled)
-        {
-            m_refreshTimer.start(std::chrono::minutes(refreshInterval()));
             refresh();
-        }
         else
-        {
             m_refreshTimer.stop();
-        }
 
         emit processingStateChanged(enabled);
     }
@@ -553,6 +580,7 @@ void Session::handleItemAboutToBeDestroyed(Item *item)
     {
         m_feedsByUID.remove(feed->uid());
         m_feedsByURL.remove(feed->url());
+        m_refreshTimepoints.remove(feed);
     }
 }
 
@@ -591,6 +619,28 @@ void Session::setMaxArticlesPerFeed(const int n)
 
 void Session::refresh()
 {
-    // NOTE: Should we allow manually refreshing for disabled session?
-    rootFolder()->refresh();
+    const auto currentTimepoint = std::chrono::system_clock::now();
+    std::chrono::seconds nextRefreshInterval = 0s;
+    for (auto it = m_refreshTimepoints.begin(); it != m_refreshTimepoints.end(); ++it)
+    {
+        Feed *feed = it.key();
+        std::chrono::system_clock::time_point &timepoint = it.value();
+
+        if (timepoint <= currentTimepoint)
+            timepoint = refreshFeed(feed, currentTimepoint);
+
+        const auto interval = std::chrono::duration_cast<std::chrono::seconds>(timepoint - currentTimepoint);
+        if ((interval < nextRefreshInterval) || (nextRefreshInterval == 0s))
+            nextRefreshInterval = interval;
+    }
+
+    m_refreshTimer.start(nextRefreshInterval);
+}
+
+std::chrono::system_clock::time_point Session::refreshFeed(Feed *feed, const std::chrono::system_clock::time_point &currentTimepoint)
+{
+    feed->refresh();
+    const std::chrono::seconds feedRefreshInterval = feed->refreshInterval();
+    const std::chrono::seconds effectiveRefreshInterval = (feedRefreshInterval > 0s) ? feedRefreshInterval : std::chrono::minutes(refreshInterval());
+    return currentTimepoint + effectiveRefreshInterval;
 }

src/base/rss/rss_session.h

@@ -1,7 +1,7 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2017-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2024  Jonathan Ketchker
- * Copyright (C) 2017  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2010  Christophe Dumez <chris@qbittorrent.org>
  * Copyright (C) 2010  Arnaud Demaiziere <arnaud@qbittorrent.org>
  *
@@ -35,26 +35,20 @@
  * RSS Session configuration file format (JSON):
  *
  * =============== BEGIN ===============
- *
- {
- *     "folder1":
- {
- *         "subfolder1":
- {
- *             "Feed name 1 (Alias)":
- {
+ * {
+ *     "folder1": {
+ *         "subfolder1": {
+ *             "Feed name 1 (Alias)": {
  *                 "uid": "feed unique identifier",
  *                 "url": "http://some-feed-url1"
  *             }
- *             "Feed name 2 (Alias)":
- {
+ *             "Feed name 2 (Alias)": {
  *                 "uid": "feed unique identifier",
  *                 "url": "http://some-feed-url2"
  *             }
  *         },
  *         "subfolder2": {},
- *         "Feed name 3 (Alias)":
- {
+ *         "Feed name 3 (Alias)": {
  *             "uid": "feed unique identifier",
  *             "url": "http://some-feed-url3"
  *         }
@@ -120,8 +114,8 @@ namespace RSS
         std::chrono::seconds fetchDelay() const;
         void setFetchDelay(std::chrono::seconds delay);
 
-        nonstd::expected<void, QString> addFolder(const QString &path);
-        nonstd::expected<void, QString> addFeed(const QString &url, const QString &path);
+        nonstd::expected<Folder *, QString> addFolder(const QString &path);
+        nonstd::expected<Feed *, QString> addFeed(const QString &url, const QString &path, std::chrono::seconds refreshInterval = {});
         nonstd::expected<void, QString> setFeedURL(const QString &path, const QString &url);
         nonstd::expected<void, QString> setFeedURL(Feed *feed, const QString &url);
         nonstd::expected<void, QString> moveItem(const QString &itemPath, const QString &destPath);
@@ -135,9 +129,6 @@ namespace RSS
 
         Folder *rootFolder() const;
 
-    public slots:
-        void refresh();
-
     signals:
         void processingStateChanged(bool enabled);
         void maxArticlesPerFeedChanged(int n);
@@ -160,8 +151,10 @@ namespace RSS
         void store();
         nonstd::expected<Folder *, QString> prepareItemDest(const QString &path);
         Folder *addSubfolder(const QString &name, Folder *parentFolder);
-        Feed *addFeedToFolder(const QUuid &uid, const QString &url, const QString &name, Folder *parentFolder);
+        Feed *addFeedToFolder(const QUuid &uid, const QString &url, const QString &name, Folder *parentFolder, std::chrono::seconds refreshInterval);
         void addItem(Item *item, Folder *destFolder);
+        void refresh();
+        std::chrono::system_clock::time_point refreshFeed(Feed *feed, const std::chrono::system_clock::time_point &currentTimepoint);
 
         static QPointer<Session> m_instance;
 
@@ -176,5 +169,6 @@ namespace RSS
         QHash<QString, Item *> m_itemsByPath;
         QHash<QUuid, Feed *> m_feedsByUID;
         QHash<QString, Feed *> m_feedsByURL;
+        QHash<Feed *, std::chrono::system_clock::time_point> m_refreshTimepoints;
     };
 }

src/base/search/searchdownloadhandler.cpp

@@ -41,7 +41,10 @@ SearchDownloadHandler::SearchDownloadHandler(const QString &pluginName, const QS
     , m_manager {manager}
     , m_downloadProcess {new QProcess(this)}
 {
-    m_downloadProcess->setEnvironment(QProcess::systemEnvironment());
+    m_downloadProcess->setProcessEnvironment(m_manager->proxyEnvironment());
+#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+    m_downloadProcess->setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
+#endif
     connect(m_downloadProcess, qOverload<int, QProcess::ExitStatus>(&QProcess::finished)
             , this, &SearchDownloadHandler::downloadProcessFinished);
     const QStringList params

src/base/search/searchhandler.cpp

@@ -31,10 +31,10 @@
 
 #include <chrono>
 
+#include <QList>
 #include <QMetaObject>
 #include <QProcess>
 #include <QTimer>
-#include <QVector>
 
 #include "base/global.h"
 #include "base/path.h"
@@ -70,7 +70,11 @@ SearchHandler::SearchHandler(const QString &pattern, const QString &category, co
     , m_searchTimeout {new QTimer(this)}
 {
     // Load environment variables (proxy)
-    m_searchProcess->setEnvironment(QProcess::systemEnvironment());
+    m_searchProcess->setProcessEnvironment(m_manager->proxyEnvironment());
+    m_searchProcess->setProgram(Utils::ForeignApps::pythonInfo().executableName);
+#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+    m_searchProcess->setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
+#endif
 
     const QStringList params
     {
@@ -79,9 +83,6 @@ SearchHandler::SearchHandler(const QString &pattern, const QString &category, co
         m_usedPlugins.join(u','),
         m_category
     };
-
-    // Launch search
-    m_searchProcess->setProgram(Utils::ForeignApps::pythonInfo().executableName);
     m_searchProcess->setArguments(params + m_pattern.split(u' '));
 
     connect(m_searchProcess, &QProcess::errorOccurred, this, &SearchHandler::processFailed);
@@ -93,6 +94,7 @@ SearchHandler::SearchHandler(const QString &pattern, const QString &category, co
     connect(m_searchTimeout, &QTimer::timeout, this, &SearchHandler::cancelSearch);
     m_searchTimeout->start(3min);
 
+    // Launch search
     // deferred start allows clients to handle starting-related signals
     QMetaObject::invokeMethod(this, [this]() { m_searchProcess->start(QIODevice::ReadOnly); }
         , Qt::QueuedConnection);
@@ -145,7 +147,7 @@ void SearchHandler::readSearchOutput()
         lines.prepend(m_searchResultLineTruncated + lines.takeFirst());
     m_searchResultLineTruncated = lines.takeLast().trimmed();
 
-    QVector<SearchResult> searchResultList;
+    QList<SearchResult> searchResultList;
     searchResultList.reserve(lines.size());
 
     for (const QByteArray &line : asConst(lines))

src/base/search/searchhandler.h

@@ -75,7 +75,7 @@ public:
 signals:
     void searchFinished(bool cancelled = false);
     void searchFailed();
-    void newSearchResults(const QVector<SearchResult> &results);
+    void newSearchResults(const QList<SearchResult> &results);
 
 private:
     void readSearchOutput();