public void TestServerLogger()
{
SendSocket s = new SendSocket();
s.Connect(serverIp, serverPort, localPort);
s.Send("HELLO WORLD!");
s.Send("CAN YOU HEAR ME?");
System.Threading.Thread.Sleep(4000);
s.Send("HELLO..?");
}
public bool SendMessage(string message, out string response)
{
if (!IsConnected)
{
throw new InvalidOperationException("Cannot send a message, when not open");
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (message.Contains("\n"))
{
throw new ArgumentException("Must not contain newline characters", nameof(message));
}
lock (_sendLock)
{
ClearQueue(_inputQueue);
// Send message
if (!_sendSocket.Send(message))
{
response = null;
return(false);
}
// Wait for response
var success = _inputQueue.TryTake(out response, SocketBase.SocketTimeout);
if (!success)
{
Log.Warning("Sent message '{Message}' but did not get any response within timeout of {SocketTimeout}", message, SocketBase.SocketTimeout);
}
return(success);
}
}
// Main thread for sending telegrams
private void SendThreading()
{
TelegramACK telAck = null;
try
{
if (SimulateMFCS)
{
SendListener = new TcpListener(SendIPEndPoint);
Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThreading", SendIPEndPoint.ToString());
SendListener.Start();
}
lock (_lockSendTelegram)
{
SendTelegrams.RemoveAll(p => p.CommSendStatus >= Telegram.CommSendStatusEnum.Ack);
}
LastSendTime = DateTime.Now;
while (Thread.CurrentThread.ThreadState == ThreadState.Background)
{
try
{
Telegram tel = null;
lock (_lockSendTelegram)
tel = SendTelegrams.FirstOrDefault(prop => prop.CommSendStatus < Telegram.CommSendStatusEnum.Ack);
if (DateTime.Now - LastSendTime > SendTimeOut)
{
InitSendSocket();
if (tel != null)
{
tel.CommSendStatus = Telegram.CommSendStatusEnum.None;
}
LastSendTime = DateTime.Now;
Retry = 0;
Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThread", "Send timeout, SendSocket reinitialized!");
}
else if (DateTime.Now - LastSendTime > KeepALifeTime && tel == null)
{
Telegram tRes = null;
lock (_lockSendTelegram)
tRes = SendTelegrams.FirstOrDefault(prop => prop.CommSendStatus < Telegram.CommSendStatusEnum.Ack);
if (tRes == null)
{
if (KeepALifeTelegram != null)
{
Telegram t = Activator.CreateInstance(KeepALifeTelegram.GetType()) as Telegram;
t.Sender = MFCS_ID;
t.Receiver = PLC_ID;
t.Build();
AddSendTelegram(t);
Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThread", String.Format("Adding KeepALife telegram"));
}
}
}
else if (!SendSocket.Connected)
{
InitSendSocket();
ConnectSendPartner();
}
else if (tel != null)
{
switch (tel.CommSendStatus)
{
case (Telegram.CommSendStatusEnum.None):
tel.Sequence = Sequence;
tel.Build();
// Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThread", String.Format("Start sending {0}", tel.ToString()));
SendSocket.Send(tel.ByteBuffer, tel.Length, SocketFlags.None);
Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThread", String.Format("Sended {0}", tel.ToString()));
tel.CommSendStatus = Telegram.CommSendStatusEnum.WaitACK;
telAck = new TelegramACK();
SendTime = DateTime.Now;
break;
case (Telegram.CommSendStatusEnum.WaitACK):
int numRead = 0;
do
{
numRead += SendSocket.Receive(telAck.ByteBuffer, numRead, telAck.ByteBuffer.Length - numRead, SocketFlags.None);
} while (numRead < telAck.ByteBuffer.Length);
telAck.ReadBuffer();
Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThread", String.Format("Received ACK {0}", telAck.ToString()));
if (telAck.Validate() && telAck.Sequence == tel.Sequence)
{
tel.CommSendStatus = Telegram.CommSendStatusEnum.Ack;
LastSendTime = DateTime.Now;
Retry = 0;
if (Sequence < 99)
{
Sequence++;
}
else
{
Sequence = 0;
}
Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThreading", String.Format("Send Finished : {0}", tel.ToString()));
NotifySend(tel);
}
else
{
// tel.CommSendStatus = Telegram.CommSendStatusEnum.None;
Retry++;
Log.AddLog(Log.Severity.EVENT, Name, "Communication.SendThreading", String.Format("Retry increased - {0}", Retry));
}
break;
default:
break;
}
}
else
{
Thread.Sleep(100);
}
}
catch (SocketException ex)
{
Log.AddLog(Log.Severity.EXCEPTION, Name, "Communication.SendThread::SocketException", ex.Message);
Thread.Sleep(1000);
}
}
catch (TelegramException ex)
{
Log.AddLog(Log.Severity.EXCEPTION, Name, "Communication.SendThread::TelegramException", ex.Message);
Thread.Sleep(1000);
}
catch (ThreadAbortException ex)
{
Log.AddLog(Log.Severity.EXCEPTION, Name, "Communication.RcvThreading::Communication", ex.Message);
return;
}
catch (CommunicationException ex)
{
Log.AddLog(Log.Severity.EXCEPTION, Name, "Communication.SendThread::CommunicationException", ex.Message);
Thread.Sleep(1000);
}
}
// sends a string lol
private void SendString(SendSocket sendSock, string message)
{
sendSock.Send(message);
}
