IMessageListener. SessionDisconnected event.

Author: mikasoukhov

Algo/Server/IMessageListener.cs

@@ -30,6 +30,11 @@ public interface IMessageListener : IMessageChannel, ILogSource
 		/// </summary>
 		new event Action<IMessageListenerSession, Message> NewOutMessage;
 
+		/// <summary>
+		/// Session disconnected event.
+		/// </summary>
+		event Action<IMessageListenerSession> SessionDisconnected;
+
 		/// <summary>
 		/// Send message.
 		/// </summary>

Algo/Server/IMessageListenerSession.cs

@@ -9,5 +9,10 @@ public interface IMessageListenerSession
 		/// Identifier.
 		/// </summary>
 		string Id { get; }
+
+		/// <summary>
+		/// Is connected.
+		/// </summary>
+		bool IsConnected { get; }
 	}
 }