/// <summary>
/// Generated for faults that occur without a prior exception being generated.
/// </summary>
/// <param name="fatal">Set to true if the fault requires the serial port to be closed.</param>
/// <param name="text">Reason for failure (human readable)</param>
/// <param name="receiver">The Receiver object associated with the VEMCO hardware.</param>
public ReceiverExceptions(Receiver receiver, string text, Boolean fatal)
{
this.fatal = fatal;
this.text = text;
this.receiver = receiver;
this.originatingException = null;
}
/// <summary>
/// This is the primary service loop which executes in its own thread. It is started by run()
/// and is destroyed by shutdown().
/// </summary>
private void serialPortsService()
{
serviceTime = 1000;
do
{
//check for new COM ports... if there's one that we don't have check to see if it is really a VR2C receiver attached or something else
foreach (string c in System.IO.Ports.SerialPort.GetPortNames())
{
bool r_contains = false;
foreach (Receiver x in receivers)
{
if (x.portName.Equals(c))
{
r_contains = true;
}
}
if (!r_contains)
{
//!!! We need the default values for the serial port.
SerialPort availableCOMPort = new SerialPort(c, 9600);
try
{
Receiver r = new Receiver(availableCOMPort, c, dispatcher);
receivers.Add(r);
}
catch (Exception e)
{
dispatcher.enqueueEvent(new RealTimeEvents.ServerException(e, false));
}
}
}
//check for COM ports that have disappeared or have TTL = 0
foreach (Receiver r in receivers.ToArray<Receiver>())
{
if (Array.IndexOf(SerialPort.GetPortNames(), r.portName) == -1)
{
dispatcher.enqueueEvent(new ReceiverSlice.RealTimeEvents.DelReceiver(
r, r.portName, null, null, null));
receivers.Remove(r);
}
}
//if TTL = 0, it means that this port has been misbehaving consistently
//removing it now effectively restarts it during the next service loop
foreach (Receiver r in receivers.ToList<Receiver>())
{
if (r.TTL <= 0)
{
receivers.Remove(r);
dispatcher.enqueueEvent(new ReceiverSlice.RealTimeEvents.DelReceiver(
r, r.portName, null, null, null));
}
}
Thread.Sleep(serviceTime);
} while (serviceTime > 0);
foreach (Receiver r in receivers.ToList<Receiver>())
{
r.shutdown();
receivers.Remove(r);
}
serviceTime = -1;
}
