public byte[] ReceiveDataStream()
{
byte[] ret = null;
try
{
ret = _dataChannel.Receive(TimeSpan.FromSeconds(EXECTIMEOUT)) as byte[];
}
catch (SemaphoreFailedException exc)
{
// ignore if nothing to receive and wait for response again
FI.Common.LogWriter.Instance.WriteEventLogEntry(_cmdChannelType.ToString() + ":ReceiveDataStream SemaphoreFailedException");
exc = null;
}
return(ret);
}
public void CleanupChannels()
{
if (_dataChannel == null)
{
return;
}
// cleanup channel - receive data
try
{
_dataChannel.Receive(TimeSpan.FromMilliseconds(100));
}
catch (SemaphoreFailedException exc)
{
// ignore nothing to receive
}
// cleanup channel - receive data
try
{
_contrCmdChannel.Receive(TimeSpan.FromMilliseconds(100));
}
catch (SemaphoreFailedException exc)
{
// ignore nothing to receive
}
// cleanup channel - receive data
try
{
_processorCmdChannel.Receive(TimeSpan.FromMilliseconds(100));
}
catch (SemaphoreFailedException exc)
{
// ignore nothing to receive
}
}
/// <summary>
/// Lie le prochain frame dans la queue
/// </summary>
public Frame ReadFrame()
{
return(_pictureTransfert.Receive() as Frame);
}
