示例#1
0
        // 接收数据
        public void OnDataReceived(IAsyncResult asyn)
        {
            try
            {
                SocketPacket theSockId = (SocketPacket)asyn.AsyncState;
                int          iRx       = theSockId.thisSocket.EndReceive(asyn);
                string       msg       = "";
                string       name      = "";
                //theSockId.dataBuffer
                byte[] headLength = theSockId.dataBuffer.Skip(0).Take(2).ToArray();
                byte[] dd         = theSockId.dataBuffer.Skip(2).Take(2).ToArray();
                Int16  cmd        = System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(theSockId.dataBuffer.Skip(2).Take(2).ToArray(), 0));
                switch (cmd)
                {
                case 10000:     // 登录成功
                {
                    _login = true;
                }
                break;

                case 11001:     // 收到广播消息
                {
                    byte[] accountId       = theSockId.dataBuffer.Skip(4).Take(4).ToArray();
                    Int16  accountNameSize = System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(theSockId.dataBuffer.Skip(8).Take(2).ToArray(), 0));
                    byte[] AccountName     = theSockId.dataBuffer.Skip(10).Take(accountNameSize).ToArray();
                    name = Encoding.ASCII.GetString(AccountName);
                    Int16  contentSize = System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(theSockId.dataBuffer.Skip(10 + accountNameSize).Take(2).ToArray(), 0));
                    byte[] contentByte = theSockId.dataBuffer.Skip(10 + accountNameSize + 2).Take(contentSize).ToArray();
                    msg = Encoding.ASCII.GetString(contentByte);
                    AppendToRichEditControl(name + ":" + msg + "\r\n");
                }
                break;
                }
                // 等待数据
                WaitForData();
            }
            catch (ObjectDisposedException)
            {
                System.Diagnostics.Debugger.Log(0, "1", "\nOnDataReceived: Socket已经关闭!\n");
            }
            catch (SocketException se)
            {
                if (se.ErrorCode == 10054)
                {
                    string msg = "服务器" + "停止服务!" + "\n";
                    MessageBox.Show(msg, "提示");
                    _socket.Close();
                    _socket         = null;
                    button2.Enabled = true;
                }
                else
                {
                    button2.Enabled = true;
                    MessageBox.Show(se.Message, "提示");
                }
            }
        }
示例#2
0
 // 等待数据
 public void WaitForData()
 {
     try
     {
         if (pfnCallBack == null)
         {
             // 当连接上的客户有写的操作的时候,调用回调函数
             pfnCallBack = new AsyncCallback(OnDataReceived);
         }
         SocketPacket socketPacket = new SocketPacket();
         socketPacket.thisSocket = _socket;
         result = _socket.BeginReceive(socketPacket.dataBuffer, 0, socketPacket.dataBuffer.Length,
                                       SocketFlags.None, pfnCallBack, socketPacket);
     }
     catch (SocketException se)
     {
         MessageBox.Show(se.Message, "提示");
     }
 }