[增加]1. 增加网络是否关闭的属性

Author: AlianBlank

Runtime/Network/Interface/INetworkSocket.cs

@@ -13,6 +13,11 @@ public interface INetworkSocket
         /// </summary>
         bool IsConnected { get; }
 
+        /// <summary>
+        /// 获取是否已关闭。
+        /// </summary>
+        bool IsClosed { get; }
+
         /// <summary>
         /// 获取本地终结点。
         /// </summary>

Runtime/Network/Network/SystemSocket/NetworkManager.SystemNetSocket.cs

@@ -21,6 +21,8 @@ public bool IsConnected
                 get { return m_Socket.Connected; }
             }
 
+            public bool IsClosed { get; private set; }
+
             public Socket Socket
             {
                 get { return m_Socket; }
@@ -71,12 +73,24 @@ public int SendBufferSize
 
             public void Shutdown()
             {
+                if (IsClosed)
+                {
+                    return;
+                }
+
                 m_Socket.Shutdown(SocketShutdown.Both);
             }
 
             public void Close()
             {
+                if (IsClosed)
+                {
+                    return;
+                }
+
                 m_Socket.Close();
+                m_Socket.Dispose();
+                IsClosed = true;
             }
 
 

Runtime/Network/Network/WebSocket/NetworkManager.WebSocketNetSocket.cs

@@ -20,8 +20,8 @@ private sealed class WebSocketNetSocket : INetworkSocket
             private bool _isConnecting = false;
 
             TaskCompletionSource<bool> _connectTask = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
-            private Action<byte[]> _action;
-            private Action<string> _onCloseAction;
+            private readonly Action<byte[]> _action;
+            private readonly Action<string> _onCloseAction;
 
             public WebSocketNetSocket(string url, Action<byte[]> action, Action<string> onCloseAction)
             {
@@ -88,6 +88,8 @@ public bool IsConnected
                 get { return _client.IsConnected; }
             }
 
+            public bool IsClosed { get; private set; }
+
             public EndPoint LocalEndPoint
             {
                 get { return null; }
@@ -103,12 +105,23 @@ public EndPoint RemoteEndPoint
 
             public void Shutdown()
             {
+                if (IsClosed)
+                {
+                    return;
+                }
+
                 _client.CloseAsync();
             }
 
             public void Close()
             {
+                if (IsClosed)
+                {
+                    return;
+                }
+
                 _client.CloseAsync();
+                IsClosed = true;
             }
         }
     }