private static void DisconnectCallback(IAsyncResult IAR)
{
StateObject state = (StateObject)IAR.AsyncState;
Socket handler = state.workSocket;
string key = state.key;
handler.EndDisconnect(IAR);
handler.Shutdown(SocketShutdown.Both);
handler.Disconnect(true);
handler.Close();
handler.Dispose();
D2Sockets.Remove(key);
D2TReceive.Remove(key);
D2TSend.Remove(key);
D3BReceive.Remove(key);
D3BSend.Remove(key);
}
private static void AcceptCallback(IAsyncResult IAR)
{
Socket Server, handler;
try
{
Server = (Socket)IAR.AsyncState;
handler = Server.EndAccept(IAR);
}
catch (ObjectDisposedException ode)
{
ExceptionBuffer.Add(ode);
return;
}
allDone.Set();
string sKey = TcpAsyncCommon.DefaultUID + ++iAcceptCounter;
StateObject state = new StateObject();
state.workSocket = handler;
state.key = sKey;
D2Sockets.Set(sKey, state);
D2TReceive.Set(sKey, null);
D2TSend.Set(sKey, null);
D3BReceive.Set(sKey, new DataBuffer());
D3BSend.Set(sKey, new DataBuffer());
}
private void SendThread(string sKey)
{
DataBuffer DBuffer = D3BSend.Get(sKey);
Thread ThrdSend = D2TSend.Get(sKey);
StateObject state = D2Sockets.Get(sKey);
Socket handler = state.workSocket;
if (!handler.Connected)
{
return;
}
if (DBuffer == null)
{
return;
}
if (!DBuffer.IsDataAvalaible)
{
return;
}
string sData = DBuffer.Get(false); //Don't increment data, becouse it is not certain at this point, if it will be send
if (sData == null)
{
return;
}
else if (sData.Length > 1024)
{
throw new Exception("Exception in Send() method, packet size is to large.");
}
DBuffer.IndexerIcrement();
sData.Replace(@"\", @"\\");
sData = TcpAsyncCommon.SOM + sData + TcpAsyncCommon.EOM;
byte[] baData = Encoding.ASCII.GetBytes(sData);
handler.BeginSend(baData, 0, baData.Length, 0, new AsyncCallback(SendCallback), state);
}
public void Stop(string key)
{
StateObject state = D2Sockets.Get(key);
try
{
if (state != null && state.workSocket != null)
{
Socket handler = state.workSocket;
handler.Shutdown(SocketShutdown.Both);
handler.Disconnect(true);
handler.Close();
handler.Dispose();
}
}
catch
{
}
finally
{
if (D2Sockets != null)
{
D2Sockets.Remove(key);
}
if (D2TReceive != null)
{
D2TReceive.Remove(key);
}
if (D2TSend != null)
{
D2TSend.Remove(key);
}
if (D3BReceive != null)
{
D3BReceive.Remove(key);
}
if (D3BSend != null)
{
D3BSend.Remove(key);
}
}
}
