// This the call back function which will be invoked when the socket
// detects any client writing of data on the stream
public void OnDataReceived(IAsyncResult asyn)
{
SocketPacket socketData = (SocketPacket)asyn.AsyncState;
try
{
// Complete the BeginReceive() asynchronous call by EndReceive() method
// which will return the number of characters written to the stream
// by the client
int iRx = socketData.m_currentSocket.EndReceive(asyn);
char[] chars = new char[iRx + 1];
// Extract the characters as a buffer
System.Text.Decoder d = System.Text.Encoding.UTF8.GetDecoder();
int charLen = d.GetChars(socketData.dataBuffer, 0, iRx, chars, 0);
System.String szData = new System.String(chars);
UpdateLogControl("Client " + socketData.m_clientNumber + ": " + szData);
//Send back a reply to the client
//string replyMsg = "";
//UpdateLogControl("Server Reply: " + replyMsg);
//Convert the reply to byte array
//byte[] byData = System.Text.Encoding.ASCII.GetBytes(replyMsg);
//Socket workerSocket = (Socket)socketData.m_currentSocket;
//workerSocket.Send(byData);
WaitForData(socketData.m_currentSocket, socketData.m_clientNumber);
}
catch (ObjectDisposedException)
{
System.Diagnostics.Debugger.Log(0, "1", "\nOnDataReceived: Socket has been closed\n");
}
catch (SocketException se)
{
CheckDisconnect(se, socketData.m_clientNumber);
}
}
public void WaitForData(System.Net.Sockets.Socket soc, int clientNumber)
{
try
{
if (pfnWorkerCallBack == null)
{
// Specify the call back function which is to be
// invoked when there is any write activity by the
// connected client
pfnWorkerCallBack = new AsyncCallback(OnDataReceived);
}
SocketPacket theSocPkt = new SocketPacket(soc, clientNumber);
soc.BeginReceive(theSocPkt.dataBuffer, 0, theSocPkt.dataBuffer.Length, SocketFlags.None, pfnWorkerCallBack, theSocPkt);
}
catch (SocketException se)
{
CheckDisconnect(se, clientNumber);
}
}
