public void Announce(PrtEventValue ev, PrtValue payload, PrtMachine parent)
{
if (ev.Equals(PrtValue.@null))
{
throw new PrtIllegalEnqueueException("Enqueued event must not be null");
}
PrtType prtType = ev.evt.payloadType;
//assertion to check if argument passed inhabits the payload type.
if (prtType is PrtNullType)
{
if (!payload.Equals(PrtValue.@null))
{
throw new PrtIllegalEnqueueException("Did not expect a payload value");
}
}
else if (!PrtValue.PrtInhabitsType(payload, prtType))
{
throw new PrtInhabitsTypeException(String.Format("Payload <{0}> does not match the expected type <{1}> with event <{2}>", payload.ToString(), prtType.ToString(), ev.evt.name));
}
var allSpecMachines = GetSpecMachines(parent.renamedName);
foreach (var mon in allSpecMachines)
{
if (mon.observes.Contains(ev))
{
TraceLine("<AnnounceLog> Enqueued Event <{0}, {1}> to Spec Machine {2}", ev, payload, mon.Name);
mon.PrtEnqueueEvent(ev, payload, parent);
}
}
}
public override void PrtEnqueueEvent(PrtValue e, PrtValue arg, PrtMachine source, PrtMachineValue target = null)
{
PrtEventValue ev = e as PrtEventValue;
if (ev.Equals(PrtValue.@null))
{
throw new PrtIllegalEnqueueException("Enqueued event must not be null");
}
//check if the sent event is in source send set
if (source.sends != null && !source.sends.Contains(e as PrtEventValue))
{
throw new PrtIllegalEnqueueException(String.Format("Machine {0} sending event {1} not in its sends list", source.Name, e.ToString()));
}
//check if the sent event is in target permissions
if (target is PrtInterfaceValue)
{
if ((target as PrtInterfaceValue).permissions != null && !(target as PrtInterfaceValue).permissions.Contains(e as PrtEventValue))
{
throw new PrtIllegalEnqueueException(String.Format("Event {0} is not in the permission set of the target", e.ToString()));
}
}
PrtType prtType = ev.evt.payloadType;
//assertion to check if argument passed inhabits the payload type.
if (prtType is PrtNullType)
{
if (!arg.Equals(PrtValue.@null))
{
throw new PrtIllegalEnqueueException("Did not expect a payload value");
}
}
else if (!PrtValue.PrtInhabitsType(arg, prtType))
{
throw new PrtInhabitsTypeException(String.Format("Payload <{0}> does not match the expected type <{1}> with event <{2}>", arg.ToString(), prtType.ToString(), ev.evt.name));
}
//add action to the trace
if (StateImpl.visibleEvents.Contains(ev.evt.name))
{
stateImpl.currentVisibleTrace.AddAction(new Tuple <string, int>(target.mach.renamedName, target.mach.instanceNumber), ev, arg);
}
if (currentStatus == PrtMachineStatus.Halted)
{
stateImpl.TraceLine(
@"<EnqueueLog> Machine {0}-{1} has been halted and Event '{2}' is dropped",
this.Name, this.instanceNumber, ev.evt.name);
}
else
{
stateImpl.TraceLine(
@"<EnqueueLog> Enqueued Event <{0},{1}> in machine {2}-{3} by machine {4}-{5}",
ev.evt.name, arg.ToString(), this.Name, this.instanceNumber, source.Name, source.instanceNumber);
this.eventQueue.EnqueueEvent(e, arg, source.Name, source.CurrentState.name);
if (this.maxBufferSize != DefaultMaxBufferSize && this.eventQueue.Size() > this.maxBufferSize)
{
if (this.doAssume)
{
throw new PrtAssumeFailureException();
}
else
{
throw new PrtMaxBufferSizeExceededException(
String.Format(@"<EXCEPTION> Event Buffer Size Exceeded {0} in Machine {1}-{2}",
this.maxBufferSize, this.Name, this.instanceNumber));
}
}
if (currentStatus == PrtMachineStatus.Blocked && this.eventQueue.IsEnabled(this))
{
currentStatus = PrtMachineStatus.Enabled;
}
}
//Announce it to all the spec machines
stateImpl.Announce(e as PrtEventValue, arg, source);
}