//protected Byte[] AsyncWaitForData()
//{
// TCPReceiver tcpReceiver = new TCPReceiver(this.receiveBufferSize);
// SocketAsyncEventArgs socketArgs = new SocketAsyncEventArgs();
// socketArgs.UserToken = tcpReceiver;
// socketArgs.SetBuffer(tcpReceiver.ReceiveBuffer, 0, this.receiveBufferSize);
// socketArgs.Completed += new EventHandler<SocketAsyncEventArgs>(OnIOComplete);
// bool isSyncSend = tcpClientSocket.ReceiveAsync(socketArgs);
// tcpReceiver.WaitHandle = new AutoResetEvent(false);
// if (isSyncSend)
// OnReceive(socketArgs);
// if (!tcpReceiver.WaitHandle.WaitOne(new TimeSpan(this.receiveTimeout)))
// throw new USSDTcpSendTimeoutException("Socket receive timeout");
// return tcpReceiver.ReceiveData;
//}
//protected void OnIOComplete(object sender, SocketAsyncEventArgs e)
//{
// switch (e.LastOperation)
// {
// case SocketAsyncOperation.Receive:
// OnReceive(e);
// break;
// case SocketAsyncOperation.Send:
// OnSend(e);
// break;
// default:
// throw new ArgumentException("The last operation completed on the socket was not a receive or send");
// }
//}
protected void OnReceiveComplete(object sender, SocketAsyncEventArgs e)
{
TCPReceiver tcpReceiver = e.UserToken as TCPReceiver;
if (e.BytesTransferred > 0 && e.SocketError == SocketError.Success)
{
tcpReceiver.AddReceiveData(e.Buffer, e.BytesTransferred);
//if (tcpReceiver.ReceiveData.Contains(this.packetTerminator))
//{
// remove the terminator
//tcpReceiver.ReceiveData = tcpReceiver.ReceiveData.Where(b => b != this.packetTerminator).ToArray();
if (tcpReceiver.WaitHandle != null)
{
tcpReceiver.WaitHandle.Set();
}
//}
}
else
{
Boolean autoReconnectWhenConnectionIsLost = AutoReconnectWhenConnectionIsLost;
OnServerDisconnected(tcpClientSocket, ref autoReconnectWhenConnectionIsLost);
AutoReconnectWhenConnectionIsLost = autoReconnectWhenConnectionIsLost;
ConnectToServer(true);
}
}
protected void OnReceiveDataFromServer(IAsyncResult asyncResult)
{
if (listenerState != ListenerStates.Running)
{
return;
}
TCPReceiver tcpReceiver = asyncResult.AsyncState as TCPReceiver;
SocketError errorCode;
int bytesReceived = tcpClientSocket.EndReceive(asyncResult, out errorCode);
byte[] tmp = new byte[bytesReceived];
tmp = tcpReceiver.ReceiveBuffer;
string payload = Encoding.ASCII.GetString(tmp);
//LogManager.LogStatus(" ... " + payload);
if (!tcpClientSocket.Connected)
{
listenerState = ListenerStates.Stopped;
Boolean autoReconnectWhenConnectionIsLost = AutoReconnectWhenConnectionIsLost;
OnServerDisconnected(tcpClientSocket, ref autoReconnectWhenConnectionIsLost);
AutoReconnectWhenConnectionIsLost = autoReconnectWhenConnectionIsLost;
ConnectToServer(true);
return;
}
if (bytesReceived != 0)
{
byte[] dataChunk = new byte[] { };
byte[] dataOverflow = new byte[] { };
tcpReceiver.AddReceiveData(tmp, bytesReceived);
string recev = Encoding.ASCII.GetString(tcpReceiver.ReceiveData);
while (tcpReceiver.ReceiveData.Contains((byte)255))
{
for (int x = 0; x < tcpReceiver.ReceiveData.Length; x++)
{
if (tcpReceiver.ReceiveData[x] == (byte)255)
{
dataChunk = new byte[x];
Buffer.BlockCopy(tcpReceiver.ReceiveData, 0, dataChunk, 0, dataChunk.Length);
dataOverflow = new byte[tcpReceiver.ReceiveData.Length - dataChunk.Length - 1];
Buffer.BlockCopy(tcpReceiver.ReceiveData, x + 1, dataOverflow, 0, dataOverflow.Length);
tcpReceiver.ReceiveData = dataOverflow;
if (dataChunk.Length > 0)
{
if (dataChunk[0] == 60)
{
string tempDAta = Encoding.ASCII.GetString(dataChunk);
OnDataReceived(dataChunk);
}
else
{
Console.WriteLine("*** PROBLEM WITH PDU ****");
}
}
break;
}
}
}
//tcpReceiver.AddReceiveData(tcpReceivere.Buffer, e.BytesTransferred);
//if (tcpReceiver.ReceiveData.Contains((byte)255))
//{
//// remove the terminator
//int terminatorIndex = 0;
//Byte[] dataChunk = new Byte[] { };
//Byte[] dataOverflow = new Byte[] { };
//Boolean completePacket = false;
//while (terminatorIndex <= tcpReceiver.ReceiveData.Length)
//{
// if (tcpReceiver.ReceiveData[terminatorIndex].Equals(this.packetTerminator))
// {
// completePacket = true;
// Byte[] copyBuffer = new Byte[tcpReceiver.ReceiveData.Length - dataChunk.Length-1];
// Buffer.BlockCopy(tcpReceiver.ReceiveData, terminatorIndex, copyBuffer, 0, tcpReceiver.ReceiveData.Length - dataChunk.Length-1);
// dataOverflow = copyBuffer;
// break;
// }
// else
// {
// Byte[] copyBuffer = new Byte[dataChunk.Length + 1];
// Buffer.BlockCopy(tcpReceiver.ReceiveData, 0, copyBuffer, 0, copyBuffer.Length);
// dataChunk = copyBuffer;
// copyBuffer = new Byte[tcpReceiver.ReceiveData.Length - dataChunk.Length];
// Buffer.BlockCopy(tcpReceiver.ReceiveData, terminatorIndex, copyBuffer, 0, tcpReceiver.ReceiveData.Length - dataChunk.Length);
// dataOverflow = copyBuffer;
// }
// terminatorIndex++;
//}
//if (completePacket)
//{
// Byte[] copyBuffer = new Byte[Math.Max(tcpReceiver.ReceiveData.Length - dataChunk.Length, 0)];
// if (copyBuffer.Length > 0)
// Buffer.BlockCopy(tcpReceiver.ReceiveData, terminatorIndex, copyBuffer, 0, Math.Max(tcpReceiver.ReceiveData.Length - dataChunk.Length, 0));
// OnDataReceived(dataChunk);
// tcpReceiver.ReceiveData = copyBuffer;
// tcpReceiver.ReceiveData = dataOverflow.Where(b => b != (byte)255).ToArray();
//}
//// Remove thye terminator
//tcpReceiver.ReceiveData = tcpReceiver.ReceiveData.Where(b => b != (byte)255).ToArray();
////OnDataReceived(tcpReceiver.ReceiveData);
////tcpReceiver.Clear();
if (tcpReceiver.WaitHandle != null)
{
tcpReceiver.WaitHandle.Set();
}
//}
}
//if (listenerState == ListenerStates.Running)
//{
// if (listenerState != ListenerStates.Running) return;
// if (tcpReceiver.ReceiveData.Length != 0 && tcpReceiver.ReceiveBuffer.Contains(this.packetTerminator))
// OnDataReceived(tcpReceiver.ReceiveData);
// tcpClientSocket.BeginReceive(tcpReceiver.ReceiveBuffer, 0, receiveBufferSize, SocketFlags.None, new AsyncCallback(OnReceiveDataFromServer), tcpReceiver);
//}
}