public override void Connect(string host, int port)
{
try
{
if (IsConnected)
{
CloseSocket();
}
IPAddress[] address = Dns.GetHostAddresses(host);
socket = new Socket(address[0].AddressFamily, SocketType.Stream, ProtocolType.Tcp);
socket.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.NoDelay, true);
Trace.Instance.debug("BeginConnect. host = {0}, port = {1}", address[0].ToString(), port);
socket.BeginConnect(address, port, new AsyncCallback(HandleConnect), socket);
}
catch (Exception e)
{
Trace.Instance.error("connect throw exception. host = {0}, port = {1}, exception = {2}", host, port, e.Message);
PostOptionMsgEvent?.Invoke(new ConnectMsg(false));
}
}
private void HandleConnect(IAsyncResult result)
{
ConnectMsg msg = new ConnectMsg(false);
try
{
Socket _socket = (Socket)result.AsyncState;
_socket.EndConnect(result);
if (_socket.Connected)
{
msg.Success = true;
BeginReceive();
}
}
catch (Exception e)
{
Trace.Instance.warn("HandleConnect throw exception. exception = {0}", e.Message);
CloseSocket();
}
finally
{
PostOptionMsgEvent?.Invoke(msg);
}
}
