public void SerialPortDataReceived(object sender, SerialDataReceivedEventArgs args)
{
if (PipeReceiveEvent != null)
{
PipeReceiveEvent.Invoke(this, new PipeReceiveEventArgs(mSerialPort.ReadExisting()));
}
}
public void ReadLoop()
{
byte[] buf = new byte[PIPE_SIZE];
int read = 0;
try
{
while (true)
{
read = ioStream.Read(buf, 0, PIPE_SIZE);
if (read > 0)
{
if (PipeReceiveEvent != null)
{
PipeReceiveEvent.Invoke(this, new PipeReceiveEventArgs(UTF8Encoding.UTF8.GetString(buf, 0, read)));
}
}
else
{
/* connecion closed */
break;
}
}
}
catch (Exception e)
{
if (PipeErrorEvent != null)
{
PipeErrorEvent.Invoke(this, new PipeErrorEventArgs(e.Message));
}
}
}
public SerialPipe(SerialPort port)
{
mSerialPort = port;
mBufSize = mSerialPort.WriteBufferSize;
//try to get older input once without timeout (to avoid blocking behaviour)
mSerialPort.ReadTimeout = 10;
try
{
String buf = mSerialPort.ReadLine();
if (buf.Length > 0 && PipeReceiveEvent != null)
{
PipeReceiveEvent.Invoke(this, new PipeReceiveEventArgs(buf));
}
}
catch (TimeoutException) { }
catch (Exception e)
{
if (PipeErrorEvent != null)
{
PipeErrorEvent.Invoke(this, new PipeErrorEventArgs(e.Message));
}
}
mSerialPort.ReadTimeout = -1;
//set up internal handlers
mSerialPort.DataReceived += SerialPortDataReceived;
mSerialPort.ErrorReceived += SerialPortErrorReceived;
}
public void TriggerReadable(IAsyncResult result)
{
try
{
int bytes = mSocket.EndReceive(result);
string datastr = UTF8Encoding.UTF8.GetString(mBuf, 0, bytes);
if (PipeReceiveEvent != null)
{
PipeReceiveEvent.Invoke(this, new PipeReceiveEventArgs(datastr));
}
do
{
mResult = mSocket.BeginReceive
(mBuf, 0, mBuf.Length, SocketFlags.None, TriggerReadable, this);
} while (mResult.CompletedSynchronously);
}
catch (Exception e)
{
mSocket.Close();
if (PipeErrorEvent != null)
{
PipeErrorEvent.Invoke(this, new PipeErrorEventArgs(e.Message));
}
}
}
public void ReadLoop()
{
byte[] buf = new byte[PIPE_SIZE];
int read = 0;
if (!bClientConn)
{
if (PipeErrorEvent != null)
{
PipeErrorEvent.Invoke(this, new PipeErrorEventArgs("Client not connected"));
}
}
else
{
try
{
while (bClientConn)
{
read = ioStream.Read(buf, 0, PIPE_SIZE);
if (read > 0)
{
if (PipeReceiveEvent != null)
{
PipeReceiveEvent.Invoke(this, new PipeReceiveEventArgs(UTF8Encoding.UTF8.GetString(buf, 0, read)));
}
}
else
{
/*
* Connecion closed!
* We'll hijack this thread and use it to set up our pipe server again.
* This thread will terminate once the connection is set up, it does not block.
*/
signalDisconnected();
break;
}
}
}
catch (Exception e)
{
if (PipeErrorEvent != null)
{
PipeErrorEvent.Invoke(this, new PipeErrorEventArgs(e.Message));
}
}
}
}
