public bool Accept(ushort port)
{
this._port = port;
if (_socket != null)
{
return(false);
}
if (!TcpMng.IsAvailable)
{
return(false);
}
if (Interlocked.CompareExchange(ref _state, (int)State.WAIT, (int)State.IDLE) != (int)State.IDLE)
{
return(false);
}
Socket listenSocket = TcpMng.Accept(port);
if (listenSocket == null)
{
return(false);
}
try
{
listenSocket.BeginAccept(new AsyncCallback(ListenComplete), listenSocket);
return(true);
}
catch (Exception e)
{
LOG.Error("tcp Accept exception :{0}", e.ToString());
}
return(false);
}
private void ListenComplete(IAsyncResult ar)
{
Socket listenSocket = (Socket)ar.AsyncState;
if (_needListenHeartbeat)
{
try
{
TcpMng.Listen(_port);
}
catch (Exception e)
{
LOG.Error("tcp ListenComplete exception:{0}", e.ToString());
}
}
try
{
_socket = listenSocket.EndAccept(ar);
if (Interlocked.CompareExchange(ref _state, (int)State.RUN, (int)State.WAIT) != (int)State.WAIT)
{
_socket.Close();
_socket = null;
OnAccept(false);
return;
}
_socket.BeginReceive(recvStream, 0, 2048, SocketFlags.None, new AsyncCallback(RecvComplete), null);
IP = _socket.RemoteEndPoint.ToString().Split(':')[0];
OnAccept(true);
return;
}
catch (Exception e)
{
LOG.Error("tcp ListenComplete _socket exception:{0}", e.ToString());
}
_socket = null;
OnAccept(false);
}