rework dlna project

RSSDP/ISsdpDevicePublisher.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Threading.Tasks;
+
+namespace Rssdp.Infrastructure
+{
+	/// <summary>
+	/// Interface for components that publish the existence of SSDP devices.
+	/// </summary>
+	/// <remarks>
+	/// <para>Publishing a device includes sending notifications (alive and byebye) as well as responding to search requests when appropriate.</para>
+	/// </remarks>
+	/// <seealso cref="SsdpRootDevice"/>
+	/// <seealso cref="ISsdpDeviceLocator"/>
+	public interface ISsdpDevicePublisher
+	{
+		/// <summary>
+		/// Adds a device (and it's children) to the list of devices being published by this server, making them discoverable to SSDP clients.
+		/// </summary>
+		/// <param name="device">The <see cref="SsdpRootDevice"/> instance to add.</param>
+		/// <returns>An awaitable <see cref="System.Threading.Tasks.Task"/>.</returns>
+		void AddDevice(SsdpRootDevice device);
+
+		/// <summary>
+		/// Removes a device (and it's children) from the list of devices being published by this server, making them undiscoverable.
+		/// </summary>
+		/// <param name="device">The <see cref="SsdpRootDevice"/> instance to add.</param>
+		/// <returns>An awaitable <see cref="System.Threading.Tasks.Task"/>.</returns>
+		Task RemoveDevice(SsdpRootDevice device);
+
+		/// <summary>
+		/// Returns a read only list of devices being published by this instance.
+		/// </summary>
+		/// <seealso cref="SsdpDevice"/>
+		System.Collections.Generic.IEnumerable<SsdpRootDevice> Devices { get; }
+		
+	}
+}