private void AsyncReceiveCallBack(IAsyncResult IA)
{
Socket socket = IA.AsyncState as Socket;
if (socket != null && socket.Connected)
{
try
{
int datalength = (IA.AsyncState as Socket).EndReceive(IA);
string msg = "";
if (datalength == 0)//1.断开连接
{
Disconnect();
OnServerClose?.Invoke(this, "服务器断开连接");
}
else
{
msg = Encoding.Default.GetString(_buffer, 0, datalength);
if (_heartBeatEnable && msg == "HEARTBEAT")//2.心跳数据解析
{
_alive = true;
}
else
{
ReceiveData?.Invoke(this, msg);//3.数据接收
}
}
}
catch
{ }
}
}
private void HeartBeat(int heartBeatMillSeconds)
{
if (_heartBeatEnable == false)
{
return;
}
_alive = true;
if (ISConnect)
{
_heartThread = new Thread(() =>
{
while (true)
{
Thread.Sleep(heartBeatMillSeconds);
if (!_alive)
{
Disconnect();
OnServerClose?.Invoke(this, "服务器心跳停止");
}
_alive = false;
SendMessage("HEARTBEAT");
}
});
_heartThread.Start();
}
}
public void Close()
{
if (socket != null)
{
socket.Close();
socket.Dispose();
}
OnServerClose.Invoke(this, null);
Console.WriteLine($"TCPServer: Stop Listening...");
}
private HandleResult ServerClose(IServer sender, IntPtr connId, SocketOperation socketOperation, int errorCode)
{
var extra = sender.GetExtra <TcpPortForwardingExtra>(connId);
if (extra != null)
{
sender.RemoveExtra(connId);
if (extra.ReleaseType == TcpPortForwardingReleaseType.None)
{
extra.ReleaseType = TcpPortForwardingReleaseType.Server;
extra.Agent.Disconnect(extra.AgentConnId);
}
}
return(OnServerClose?.Invoke(sender, connId, socketOperation, errorCode) ?? HandleResult.Ok);
}
public void ServerClose()
{
OnServerClose?.Invoke();
}