public abstract bool Send(NxtMessage msg);
public void QueueMessageForSending(NxtMessage msg)
// Stick this message in the queue to be sent
{
lock (this.nxtMessagesToSend)
{
this.nxtMessagesToSend.Add(msg);
this.MessageToSendSemaphore.Release();
}
}
//--------------------------------------------------------------------------
// Data transmission
//--------------------------------------------------------------------------
public override bool Send(NxtMessage msg)
{
bool fResult = false;
if (this.IsOpen)
{
try {
lock (this.msgReplyTargets)
{
this.msgReplyTargets.Add(msg);
}
byte[] rgbToSend = msg.DataForBluetoothTransmission;
int cbSent = 0;
unsafe
{
EventWaitHandle asyncWriteCompleteEvent = new EventWaitHandle(false, System.Threading.EventResetMode.ManualReset);
Overlapped overlappedWrite = new Overlapped(-1, -1, asyncWriteCompleteEvent.SafeWaitHandle.DangerousGetHandle(), null);
NativeOverlapped* pNativeOverlappedWrite = overlappedWrite.Pack(null, rgbToSend);
try
{
bool fSuccess = WriteFile(this.hSerialPort, rgbToSend, rgbToSend.Length, out cbSent, new IntPtr(pNativeOverlappedWrite));
if (!fSuccess)
{
int err = Marshal.GetLastWin32Error();
if (ERROR_IO_PENDING == err)
{
asyncWriteCompleteEvent.WaitOne();
}
else
ThrowWin32Error(err);
}
}
finally
{
System.Threading.Overlapped.Free(pNativeOverlappedWrite);
}
}
msg.NoteSent();
fResult = true;
}
catch (Exception)
{
}
}
return fResult;
}
//--------------------------------------------------------------------------
// Data transmission
//--------------------------------------------------------------------------
public override bool Send(NxtMessage msg)
{
lock (this.msgReplyTargets)
{
this.msgReplyTargets.Add(msg);
}
byte[] rgbToSend = msg.DataForUSBTransmission;
int cbWritten = 0;
bool fSuccess = WinUsb_WritePipe(
hWinUSB,
bulkOutPipe,
rgbToSend,
rgbToSend.Length,
ref cbWritten,
IntPtr.Zero);
if (fSuccess)
{
msg.NoteSent();
}
else
{
this.Close();
}
return fSuccess;
}
//--------------------------------------------------------------------------
// Data transmission
//--------------------------------------------------------------------------
public override bool Send(NxtMessage msg)
{
bool fResult = false;
this.SocketMonitorLock(() =>
{
if (this.IsOpen)
{
try
{
lock (this.msgReplyTargets)
{
this.msgReplyTargets.Add(msg);
}
byte[] rgbToSend = msg.DataForIPTransmission;
this.socket.Send(rgbToSend);
msg.NoteSent();
fResult = true;
}
catch (Exception e)
{
// Remove the msg if we have issues
//
Program.Trace("IPConnection.Send({0}): exception thrown: {1}", this.epSamanthaTCP, e);
lock (this.msgReplyTargets)
{
for (int imsg = 0; imsg < this.msgReplyTargets.Count; imsg++)
{
if (this.msgReplyTargets[imsg] == msg)
{
this.msgReplyTargets.RemoveAt(imsg);
break;
}
}
}
}
}
});
return fResult;
}
public PayloadAccessor(NxtMessage msg)
{
this.msg = msg;
}
