private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
var startTime = DateTime.Now;
var lockObject = SourceChannel.LockObject;
lock (lockObject)
{
var masterStopWatch = new Stopwatch();
var requestBytes = new byte[] { };
TimedThreadBlocker.Wait(requestDelay);
requestBytes = new byte[SerialPort.BytesToRead];
if (requestBytes.Length > 0)
{
Read(ref requestBytes, 0, requestBytes.Length, 0);
SourceChannel.Write(ref requestBytes, 0, requestBytes.Length);
TimedThreadBlocker.Wait(responseDelay);
masterStopWatch.Start();
var sequence = 0;
while (SourceChannel.NumberOfBytesAvailable > 0 && responseTimeout > masterStopWatch.ElapsedMilliseconds)
{
var responseBytes = new byte[SourceChannel.NumberOfBytesAvailable];
SourceChannel.Read(ref responseBytes, 0, responseBytes.Length, sequence++);
Write(ref responseBytes, 0, responseBytes.Length);
}
masterStopWatch.Stop();
}
}
}
private void TcpClientBeginReadCallback(IAsyncResult asyncResult)
{
var tcpClient = asyncResult.AsyncState as TcpClient;
try
{
if (asyncResult.IsCompleted)
{
if (tcpClient != null)
{
try
{
var startTime = DateTime.Now;
var sourceChannelLockObject = SourceChannel.LockObject;
lock (sourceChannelLockObject)
{
lock (lockObject)
{
var readBuffer = new byte[1500];
var masterStopWatch = new Stopwatch();
var requestBytes = new byte[] { };
var networkStream = tcpClient.GetStream();
this.tcpClient = tcpClient;
TimedThreadBlocker.Wait(requestDelay);
requestBytes = new byte[tcpClient.Available];
if (requestBytes.Length > 0)
{
Read(ref requestBytes, 0, requestBytes.Length, 0);
SourceChannel.Write(ref requestBytes, 0, requestBytes.Length);
TimedThreadBlocker.Wait(responseDelay);
masterStopWatch.Start();
var sequence = 0;
while (SourceChannel.NumberOfBytesAvailable > 0 && responseTimeout > masterStopWatch.ElapsedMilliseconds)
{
var responseBytes = new byte[SourceChannel.NumberOfBytesAvailable];
SourceChannel.Read(ref responseBytes, 0, responseBytes.Length, sequence++);
Write(ref responseBytes, 0, responseBytes.Length);
}
masterStopWatch.Stop();
}
networkStream.BeginRead(readBuffer, 0, 0, new AsyncCallback(TcpClientBeginReadCallback), tcpClient);
return;
}
}
}
catch (Exception ex)
{
Trace.TraceError($"Error reading newtwork stream: {ex.Message}");
}
}
}
try
{
tcpClient.Dispose();
}
catch (Exception ex)
{
Trace.TraceError($"Error disposing TCP Client: {ex.Message}");
}
try
{
tcpClients.Remove(tcpClient);
}
catch (Exception ex)
{
Trace.TraceError($"Error removing TCP Client from list: {ex.Message}");
}
Interlocked.Decrement(ref numberOfTcpClients);
}
catch (Exception ex)
{
Trace.TraceError($"Error disposing TCP Client: {ex.Message}");
}
}
