/// <summary>
/// This the call back function which will be invoked when the socket
/// detects any client writing of data on the stream
/// </summary>
/// <param name="asyn"></param>
public void OnDataReceived(IAsyncResult asyn)
{
SocketPacket socketData = (SocketPacket)asyn.AsyncState;
if (!receiving_data.Contains(socketData.m_clientNumber))
{
receiving_data.Add(socketData.m_clientNumber);
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();
d.GetChars(socketData.dataBuffer, 0, iRx, chars, 0);
if (chars.Length > 1)
{
string szData = "";
for (int ch = 0; ch < chars.Length; ch++)
{
if (chars[ch] != 0)
{
szData += chars[ch];
}
}
// add the data to the receive buffer
if (receive_buffer == null)
{
receive_buffer = new ArrayList();
// create a thread which will process incoming receipts
// in an organised fashion
ThreadServerReceive receive = new ThreadServerReceive(new WaitCallback(OnDataReceivedCallback), this, receive_buffer);
Thread receive_thread = new Thread(new ThreadStart(receive.Execute));
receive_thread.Priority = ThreadPriority.Normal;
receive_thread.Start();
}
// push data into the receive buffer }
receive_buffer.Add(szData);
receive_buffer.Add(socketData.m_clientNumber);
}
// Continue the waiting for data on the Socket
if (!disconnect_now.Contains(socketData.m_clientNumber))
{
WaitForData(socketData.m_currentSocket, socketData.m_clientNumber);
}
else
{
disconnect_now.Remove(socketData.m_clientNumber);
}
}
catch (ObjectDisposedException)
{
System.Diagnostics.Debugger.Log(0, "1", "\nOnDataReceived: Socket has been closed\n");
}
catch (SocketException se)
{
if (se.ErrorCode == 10054) // Error code for Connection reset by peer
{
string msg = "Goodbye client " + socketData.m_clientNumber.ToString();
Console.WriteLine(msg);
// Remove the reference to the worker socket of the closed client
// so that this object will get garbage collected
int index = socketData.m_clientNumber - 1;
if ((index > -1) && (index < m_workerSocketList.Count))
{
m_workerSocketList[index] = null;
}
}
else
{
Console.WriteLine("dpslamServer/OnDataReceived(" + PortNumber.ToString() + ")/" + se.Message);
}
}
receiving_data.Remove(socketData.m_clientNumber);
}
else
{
Console.WriteLine("Receive conflict: Data already being received from client " + socketData.m_clientNumber.ToString());
disconnect_client.Add(socketData.m_clientNumber);
}
}
/// <summary>
/// This the call back function which will be invoked when the socket
/// detects any client writing of data on the stream
/// </summary>
/// <param name="asyn"></param>
public void OnDataReceived(IAsyncResult asyn)
{
SocketPacket socketData = (SocketPacket)asyn.AsyncState ;
if (!receiving_data.Contains(socketData.m_clientNumber))
{
receiving_data.Add(socketData.m_clientNumber);
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();
d.GetChars(socketData.dataBuffer, 0, iRx, chars, 0);
if (chars.Length > 1)
{
string szData = "";
for (int ch = 0; ch < chars.Length; ch++)
{
if (chars[ch] != 0) szData += chars[ch];
}
// add the data to the receive buffer
if (receive_buffer == null)
{
receive_buffer = new ArrayList();
// create a thread which will process incoming receipts
// in an organised fashion
ThreadServerReceive receive = new ThreadServerReceive(new WaitCallback(OnDataReceivedCallback), this, receive_buffer);
Thread receive_thread = new Thread(new ThreadStart(receive.Execute));
receive_thread.Priority = ThreadPriority.Normal;
receive_thread.Start();
}
// push data into the receive buffer }
receive_buffer.Add(szData);
receive_buffer.Add(socketData.m_clientNumber);
}
// Continue the waiting for data on the Socket
if (!disconnect_now.Contains(socketData.m_clientNumber))
{
WaitForData(socketData.m_currentSocket, socketData.m_clientNumber );
}
else
{
disconnect_now.Remove(socketData.m_clientNumber);
}
}
catch (ObjectDisposedException )
{
System.Diagnostics.Debugger.Log(0,"1","\nOnDataReceived: Socket has been closed\n");
}
catch(SocketException se)
{
if(se.ErrorCode == 10054) // Error code for Connection reset by peer
{
string msg = "Goodbye client " + socketData.m_clientNumber.ToString();
Console.WriteLine(msg);
// Remove the reference to the worker socket of the closed client
// so that this object will get garbage collected
int index = socketData.m_clientNumber - 1;
if ((index > -1) && (index < m_workerSocketList.Count)) m_workerSocketList[index] = null;
}
else
{
Console.WriteLine("dpslamServer/OnDataReceived(" + PortNumber.ToString() + ")/" + se.Message);
}
}
receiving_data.Remove(socketData.m_clientNumber);
}
else
{
Console.WriteLine("Receive conflict: Data already being received from client " + socketData.m_clientNumber.ToString());
disconnect_client.Add(socketData.m_clientNumber);
}
}
