private void ConnectionProcessorThread()
{
while (threadCancellationSignal)
{
try
{
if (connectionState == ConnectionState.DISCONNECTED)
{
numberOfConnectionRetries = 0;
connection.Connect();
while (numberOfConnectionRetries < 10)
{
if (connection.CheckState())
{
this.connectionState = ConnectionState.CONNECTED;
numberOfConnectionRetries = 0;
break;
}
else
{
numberOfConnectionRetries++;
if (numberOfConnectionRetries == 10)
{
connection.Disconect();
connectionState = ConnectionState.DISCONNECTED;
}
}
}
}
else
{
processConnection.WaitOne();
while (commandQueue.TryDequeue(out currentCommand))
{
lock (lockObj)
{
connection.Send(currentCommand.PackRequest());
byte[] message;
byte[] header = connection.Recv(10);
int recvLen = CalculateRecvLength(header[2]);
byte[] dataChunks = connection.Recv(recvLen);
message = new byte[header.Length + recvLen];
Buffer.BlockCopy(header, 0, message, 0, 10);
Buffer.BlockCopy(dataChunks, 0, message, 10, recvLen);
bool unsolicited = CheckIfUnsolicited(message[11]);
if (unsolicited)
{
HandleReceivedBytes(message, unsolicited);
DNP3ConfirmCommandParamters dnp3Param = new DNP3ConfirmCommandParamters(0xc0, (byte)DNP3FunctionCode.CONFIRM, 0xc0); //podesiti parametre
IDNP3Function function = DNP3FunctionFactory.CreateConfirmFunction(dnp3Param);
connection.Send(function.PackRequest());
}
else
{
HandleReceivedBytes(message, unsolicited);
}
currentCommand = null;
}
}
}
}
catch (SocketException se)
{
currentCommand = null;
connectionState = ConnectionState.DISCONNECTED;
Log().Log(new LogEventModel()
{
EventType = LogEventType.ERROR, Message = $"{se.Message}"
}).GetAwaiter().GetResult();
}
catch (Exception ex)
{
currentCommand = null;
Log().Log(new LogEventModel()
{
EventType = LogEventType.WARN, Message = $"{ex.Message}"
}).GetAwaiter().GetResult();
}
}
}
