private void Disconnect(bool forceCallback)
{
_lastSocketError = SocketResultCode.OK;
bool wasConnected;
lock (this)
{
if (null == _socket)
{
return;
}
wasConnected = _socket.Connected;
try
{
_socket.Shutdown(SocketShutdown.Both);
}
catch (ObjectDisposedException)
{
// EMPTY
}
catch (SocketException e)
{
_lastSocketError = SocketTools.NativeToSocketError(e.NativeErrorCode);
}
_socket.Close();
_socket = null;
System.Threading.Thread.Yield();
}
if (wasConnected || forceCallback)
{
OnDisconnected();
}
}
private void OnConnectCallback(IAsyncResult ar)
{
var sock = (Socket)ar.AsyncState;
try
{
sock.EndConnect(ar);
}
catch (ObjectDisposedException)
{
OnConnectFailed(SocketResultCode.SocketNotAvailableAnymore);
return;
}
catch (SocketException e)
{
OnConnectFailed(SocketTools.NativeToSocketError(e.NativeErrorCode));
return;
}
if (!sock.Connected)
{
OnConnectFailed(SocketResultCode.CantConnect);
return;
}
OnConnected();
var res = StartReceive();
if (res == SocketResultCode.OK)
{
return;
}
OnSocketError(res, _lastSocketError);
Disconnect();
}
private SocketResultCode StartAccept(Socket socket)
{
try
{
socket.BeginAccept(OnAcceptCallback, socket);
}
catch (ObjectDisposedException)
{
return(SocketResultCode.SocketNotAvailableAnymore);
}
catch (SocketException e)
{
return(SocketTools.NativeToSocketError(e.NativeErrorCode));
}
catch (InvalidOperationException)
{
return(SocketResultCode.CantStartListener);
}
catch (NotSupportedException)
{
return(SocketResultCode.NotSupportedOnOS);
}
return(SocketResultCode.OK);
}
