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黄学彪

2020-05-15 3f87bf0ae7394cdd7d52428f1f6b4361434c7cc4

 ZigbeeApp/Shared/Phone/ZigBee/Common/Application.cs

@@ -333,7 +333,7 @@
        public static class FindGateWaySocket
        {
            //本地Socket
            public static System.Net.Sockets.Socket busSocket;
            public static Socket busSocket;

            /// <summary>
            /// 启动Socket接收和发送功能
@@ -379,7 +379,7 @@
            {
                get
                {
                    return null == busSocket ? false : true;
                    return busSocket == null ? false : true;
                }
            }

@@ -391,12 +391,47 @@
            {
                try
                {
                    //检测连接状态
                    CheckConnectiton();

                    Start(7624);
                    busSocket.BeginSendTo(bytes, 0, bytes.Length, SocketFlags.None, iPEndPoint, new AsyncCallback(asyncEndSend), null);
                }
                catch { }
            }

            /// <summary>

            /// 检测连接状态

            /// </summary>
            private static void CheckConnectiton()

            {

                if (busSocket == null) { return; }



                bool blockingState = busSocket.Blocking;

                try

                {

                    byte[] tmp = new byte[1];



                    busSocket.Blocking = false;

                    busSocket.Send(tmp, 0, 0);

                    //tcp还在连接着

                    busSocket.Blocking = blockingState;

                }

                catch (SocketException e)

                {

                    // 10035 == WSAEWOULDBLOCK

                    if (e.NativeErrorCode.Equals(10035))

                    {

                        //Still Connected, but the Send would block

                    }

                    else

                    {

                        //tcp已经断开了连接

                        Stop();

                    }

                }

            }

            /// <summary>
            /// 异步发送数据结束
            /// </summary>