Ejemplo n.º 1
0
        private void Read(IAsyncResult status)
        {
            if (!ConnectionSocket.Connected) return;
            DataFrame dr = new DataFrame(ReceivedDataBuffer);
            try
            {
                string messageReceived;
                if (!_isDataMasked)
                {
                    UTF8Encoding decoder = new UTF8Encoding();
                    int startIndex = 0;
                    int endIndex = 0;
                    while (ReceivedDataBuffer[startIndex] == _firstByte[0]) startIndex++;
                    endIndex = startIndex + 1;
                    while (ReceivedDataBuffer[endIndex] != _lastByte[0] && endIndex != _maxBufferSize - 1) endIndex++;
                    if (endIndex == _maxBufferSize - 1) endIndex = _maxBufferSize;
                    messageReceived = decoder.GetString(ReceivedDataBuffer, startIndex, endIndex - startIndex);
                }
                else
                {
                    messageReceived = dr.Text;
                }

                if ((messageReceived.Length == _maxBufferSize && messageReceived[0] == Convert.ToChar(65533)) ||
                    messageReceived.Length == 0)
                {

                }
                else
                {
                    if (DataReceived != null)
                    {
                        DataReceived(this, messageReceived, EventArgs.Empty);
                    }
                    Array.Clear(ReceivedDataBuffer, 0, ReceivedDataBuffer.Length);
                    ConnectionSocket.BeginReceive(ReceivedDataBuffer, 0, ReceivedDataBuffer.Length, 0, new AsyncCallback(Read), null);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
        }
Ejemplo n.º 2
0
 /// <summary>
 /// 单点发送
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="message"></param>
 /// <param name="e"></param>
 public void DataRecivedCallBack(Object sender, string message, EventArgs e)
 {
     Logger.Info("Get Query:" + message);
     SocketConnection item = sender as SocketConnection;
     if (!item.ConnectionSocket.Connected) return;
     string msg = _processMessage(message);
     try
     {
         if (item.IsDataMasked)
         {
             DataFrame dr = new DataFrame(msg);
             item.ConnectionSocket.Send(dr.GetBytes());
         }
         else
         {
             item.ConnectionSocket.Send(_firstByte);
             item.ConnectionSocket.Send(Encoding.UTF8.GetBytes(msg));
             item.ConnectionSocket.Send(_lastByte);
         }
     }
     catch (Exception ex)
     {
         Console.WriteLine(ex.Message);
     }
 }
Ejemplo n.º 3
0
        private void Read(IAsyncResult status)
        {
            if (!ConnectionSocket.Connected)
            {
                return;
            }
            string    messageReceived = string.Empty;
            DataFrame dr = new DataFrame(receivedDataBuffer);

            try
            {
                if (!this.isDataMasked)
                {
                    // Web Socket protocol: messages are sent with 0x00 and 0xFF as padding bytes
                    System.Text.UTF8Encoding decoder = new System.Text.UTF8Encoding();
                    int startIndex = 0;
                    int endIndex   = 0;

                    // Search for the start byte
                    while (receivedDataBuffer[startIndex] == FirstByte[0])
                    {
                        startIndex++;
                    }
                    // Search for the end byte
                    endIndex = startIndex + 1;
                    while (receivedDataBuffer[endIndex] != LastByte[0] && endIndex != MaxBufferSize - 1)
                    {
                        endIndex++;
                    }
                    if (endIndex == MaxBufferSize - 1)
                    {
                        endIndex = MaxBufferSize;
                    }

                    // Get the message
                    messageReceived = decoder.GetString(receivedDataBuffer, startIndex, endIndex - startIndex);
                }
                else
                {
                    messageReceived = dr.Text;
                }

                if ((messageReceived.Length == MaxBufferSize && messageReceived[0] == Convert.ToChar(65533)) ||
                    messageReceived.Length == 0)
                {
                }
                else
                {
                    if (DataReceived != null)
                    {
                        DataReceived(this, messageReceived, EventArgs.Empty);
                    }
                    Array.Clear(receivedDataBuffer, 0, receivedDataBuffer.Length);
                    ConnectionSocket.BeginReceive(receivedDataBuffer, 0, receivedDataBuffer.Length, 0, new AsyncCallback(Read), null);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
        }