// Update is called once per frame
public virtual void Update()
{
CurrentState = clientState;
switch (clientState)
{
case 0:
if (enable)
{
TCPClientTask = Task.Run(ConnectToTCPServer);
CheckAliveFailCache = 0;
CheckAliveDelayTimeCache = CheckAliveDelayTime;
clientState = 10;
}
break;
case 10:
if (Aclient != null)
{
if (Aclient.Connected)
{
TCPClientTask = Task.Run(WaitingMessage);
clientState = 20;
}
}
if (!enable && Aclient == null)
{
clientState = 0;
}
break;
case 20:
if (CheckAliveDelayTimeCache <= 0)
{
CheckAliveDelayTimeCache = CheckAliveDelayTime;
// check alive, if not
if (!TCPClientIsAlive.IsConnected(Aclient))
{
CheckAliveFailCache++;
}
else
{
CheckAliveFailCache = 0;
}
}
else
{
CheckAliveDelayTimeCache -= Time.deltaTime;
}
if (CheckAliveFailCache >= CheckAliveAllowTotalFailTime || !enable)
{
DisconnectFromTCPServer();
ClientThreadQuitDelayTimeCache = ClientThreadQuitDelayTime;
clientState = 30;
}
else
{ // if connection alive then send message according to delay
if (timerCache > 0)
{
timerCache -= Time.deltaTime;
return;
}
else
{
timerCache = messageCycleSendingTime;
}
string msgToSend = NewMessageToSend();
// send message if there are any
if (msgToSend != null)
{
SendingMessage(msgToSend);
}
}
break;
case 30:
if (TCPClientTask.Status == TaskStatus.RanToCompletion)
{
clientState = 0;
}
ClientThreadQuitDelayTimeCache -= Time.deltaTime;
if (ClientThreadQuitDelayTimeCache <= 0)
{
currentThread.Abort();
clientState = 40;
}
break;
case 40:
Debug.Log(TCPClientTask.Status);
if (TCPClientTask.Status == TaskStatus.Faulted)
{
clientState = 0;
}
break;
}
}
private void MyTCPServer()
{
try
{
currentThread = Thread.CurrentThread;
TcpListener Mylistener = new TcpListener(IPAddress.Any, port);
Mylistener.Start();
bool clientAlive = false;
System.Timers.Timer aliveTimer = new System.Timers.Timer();
aliveTimer.Interval = CheckAliveDelayTime * 1000; //timer is using ms
aliveTimer.Elapsed += AliveTimer;
do
{
using (TcpClient c = Mylistener.AcceptTcpClient())
using (NetworkStream netStream = c.GetStream())
{
CheckAliveFailCache = 0;
clientAlive = true;
// start looping waitting for new message
do
{
// check if connection is alive
//clientAlive = TCPClientIsAlive.IsConnected(c);
if (!aliveTimer.Enabled)
{
aliveTimer.Start();
}
if (AliveTimerReached)
{
AliveTimerReached = false;
// check alive, if not
if (!TCPClientIsAlive.IsConnected(c))
{
CheckAliveFailCache++;
}
else
{
CheckAliveFailCache = 0;
}
}
if (CheckAliveFailCache >= CheckAliveAllowTotalFailTime)
{
clientAlive = false;
}
if (clientAlive && enable && netStream.DataAvailable)
{
string msgIn = new BinaryReader(netStream).ReadString();
BinaryWriter write = new BinaryWriter(netStream);
string response;
if (unpack.MessageIn(msgIn, out List <float> outNum, out List <string> outStr))
{
ReceivedMessage(outNum, outStr);
response = pack.GetDoneMessage();
}
else
{
response = pack.GetNotMatchMessage();
}
write.Write(response);
write.Flush();
}
} while (clientAlive && enable);
aliveTimer.Stop();
}
} while (enable);
aliveTimer.Dispose();
Mylistener.Stop();
}
catch (Exception e)
{
if (e.Message.Length > 2)
{
IfError(e.Message);
}
}
}