// This method is invoked when an asynchronous receive operation completes.
// If the remote host closed the connection, then the socket is closed.
// If data was received then the data is echoed back to the client.
//
private void ProcessReceive(SocketAsyncEventArgs e)
{
TCPConnection token = null;
try
{
token = e.UserToken as TCPConnection;
int numBytes = e.BytesTransferred;
if (numBytes > 0 && e.SocketError == SocketError.Success)
{
token.OnReceive(e.Buffer, numBytes);
token.StartReceive();
}
else
{
//Console.WriteLine(" - Disconnecting client (" + token.TcpEndpoint + "), received bytes=" + numBytes);
if (token != null)
{
token.Disconnect();
}
return;
}
}
catch (ObjectDisposedException)
{
if (token != null)
{
token.Disconnect();
}
}
catch (SocketException ex)
{
if (token != null)
{
Console.WriteLine(string.Format("{0} {1}", token.TcpEndpoint, ex.Message));
token.Disconnect();
}
}
catch (Exception ex)
{
Console.WriteLine("OnReceiveHandler error: {0}", ex);
if (token != null)
{
token.Disconnect();
}
}
}
private void ProcessAccept(SocketAsyncEventArgs e)
{
// Interlocked.Increment(ref m_numConnectedSockets);
// Console.WriteLine("Client connection accepted. There are {0} clients connected to the server",
// m_numConnectedSockets);
// create a new connection object for this incoming connection
Socket sock = null;
try
{
if (m_listen == null)
{
return;
}
sock = e.AcceptSocket;
// sock.SendBufferSize = m_iocp.BufferSize;
// sock.ReceiveBufferSize = m_iocp.BufferSize;
// sock.NoDelay = Constants.UseNoDelay;
TCPConnection baseSocket = null;
try
{
string ip = sock.Connected ? sock.RemoteEndPoint.ToString() : "socket disconnected";
//Globals.Log.Debug("{0} - Incoming connection from {1}", m_config.Name, ip);
baseSocket = new TCPConnection(m_iocp, sock, m_networkHandler, m_config);
baseSocket.Tag = new ConnectionTag();
// lock (_clients)
// _clients.Add(baseSocket);
baseSocket.OnConnect();
baseSocket.StartReceive();
}
catch (SocketException)
{
//Globals.Log.Error("BaseServer SocketException");
if (baseSocket != null)
{
baseSocket.Disconnect();
}
}
catch (Exception ex)
{
//Globals.Log.Error("Client creation", ex);
if (baseSocket != null)
{
baseSocket.Disconnect();
}
}
}
catch
{
//Globals.Log.Error("AcceptCallback: Catch");
if (sock != null) // don't leave the socket open on exception
{
try
{
sock.Close();
}
catch
{
}
}
}
finally
{
if (m_listen != null)
{
// e.AcceptSocket = null;
StartAccept(e);
}
}
}
private void ProcessAccept(SocketAsyncEventArgs e)
{
// Interlocked.Increment(ref m_numConnectedSockets);
// Console.WriteLine("Client connection accepted. There are {0} clients connected to the server",
// m_numConnectedSockets);
// create a new connection object for this incoming connection
Socket sock = null;
try
{
if (m_listen == null)
return;
sock = e.AcceptSocket;
// sock.SendBufferSize = m_iocp.BufferSize;
// sock.ReceiveBufferSize = m_iocp.BufferSize;
// sock.NoDelay = Constants.UseNoDelay;
TCPConnection baseSocket = null;
try
{
string ip = sock.Connected ? sock.RemoteEndPoint.ToString() : "socket disconnected";
//Globals.Log.Debug("{0} - Incoming connection from {1}", m_config.Name, ip);
baseSocket = new TCPConnection(m_iocp, sock, m_networkHandler, m_config);
baseSocket.Tag = new ConnectionTag();
// lock (_clients)
// _clients.Add(baseSocket);
baseSocket.OnConnect();
baseSocket.StartReceive();
}
catch (SocketException)
{
//Globals.Log.Error("BaseServer SocketException");
if (baseSocket != null)
baseSocket.Disconnect();
}
catch (Exception ex)
{
//Globals.Log.Error("Client creation", ex);
if (baseSocket != null)
baseSocket.Disconnect();
}
}
catch
{
//Globals.Log.Error("AcceptCallback: Catch");
if (sock != null) // don't leave the socket open on exception
{
try
{
sock.Close();
}
catch
{
}
}
}
finally
{
if (m_listen != null)
{
// e.AcceptSocket = null;
StartAccept(e);
}
}
}
