public static void Pause(int src, double delay)
{
SimEvent ev = new SimEvent(SimEvent.HOLD_DONE, _clock + delay, src);
_futureQueue.AddEvent(ev);
_entities.Find(e => e.Id == src).State = SimEntity.HOLDING;
}
public static void SendFirst(int src, int dest, double delay, int tag, object data)
{
ValidateDelay(delay);
SimEvent e = new SimEvent(SimEvent.SEND, _clock + delay, src, dest, tag, data);
_futureQueue.AddEventFirst(e);
}
public void AddEvent(SimEvent newEvent)
{
double eventTime = newEvent.EventTime;
if (eventTime >= _maxTime)
{
_list.Add(newEvent);
_maxTime = eventTime;
return;
}
var enumerator = _list.GetEnumerator();
SimEvent current = null;
var listAsLinked = (_list as LinkedList <SimEvent>);
do
{
current = enumerator.Current;
if (current.EventTime > eventTime)
{
if (listAsLinked != null)
{
var currentNode =
listAsLinked.Find(current);
listAsLinked.AddBefore(currentNode, newEvent);
return;
}
}
}while (enumerator.MoveNext());
_list.Add(newEvent);
}
public override void ProcessEvent(SimEvent e)
{
_numUser--;
if (_numUser == 0 || e.Tag == CloudSimTags.ABRUPT_END_OF_SIMULATION)
{
CloudSim.AbruptlyTerminate();
}
}
protected void ProcessOtherEvent(SimEvent e)
{
var methodName = MethodBase.GetCurrentMethod().Name;
var className = GetType().Name;
if (e == null)
{
Log.WriteConcatLine(className, ".", methodName, "(): Unable to handle a request since the event is null.");
return;
}
Log.WriteLine($"{className}.{methodName}(): Unable to handle a request from {CloudSim.GetEntityName(e.Source)} with event tag = {e.Tag}");
}
public virtual void Run()
{
SimEvent ev = _eventBuffer != null ?
_eventBuffer : GetNextEvent();
while (ev != null)
{
ProcessEvent(ev);
if (State != RUNNABLE)
{
break;
}
ev = GetNextEvent();
}
_eventBuffer = null;
}
public static void AddEntity(SimEntity e)
{
SimEvent evt;
if (_running)
{
evt = new SimEvent(SimEvent.CREATE, _clock, src: 1, dest: 0, tag: 0, edata: e);
_futureQueue.AddEvent(evt);
}
if (e.Id == -1)
{
int id = _entities.Count;
e.Id = id;
_entities.Add(e);
_entitiesByName.Add(e.Name, e);
}
}
public static SimEvent Cancel(int src, Predicate p)
{
SimEvent ev = null;
IEnumerator <SimEvent> enumerator = _futureQueue.GetEnumerator();
do
{
ev = enumerator.Current;
if (ev.Source == src && p.Match(ev))
{
_futureQueue.Remove(ev);
break;
}
} while (enumerator.MoveNext());
return(ev);
}
public static SimEvent Select(int src, Predicate p)
{
SimEvent ev = null;
IEnumerator <SimEvent> enumerator = _deferedQueue.GetEnumerator();
do
{
var current = enumerator.Current;
if (current != null)
{
ev = current;
if (current.Destination == src && p.Match(ev))
{
_deferedQueue.Remove(ev);
break;
}
}
} while (enumerator.MoveNext());
return(ev);
}
public override void ProcessEvent(SimEvent e)
{
int id = -1;
switch (e.Tag)
{
case CloudSimTags.REGISTER_REGIONAL_GIS:
_gisList.Add((int)e.Data);
break;
case CloudSimTags.REQUEST_REGIONAL_GIS:
id = (int)e.Data;
Send(id, 0, e.Tag, _gisList);
break;
case CloudSimTags.REGISTER_RESOURCE:
_resList.Add((int)e.Data);
break;
case CloudSimTags.REGISTER_RESOURCE_AR:
_resList.Add((int)e.Data);
_arList.Add((int)e.Data);
break;
case CloudSimTags.RESOURCE_LIST:
id = (int)e.Data;
Send(id, 0, e.Tag, _resList);
break;
case CloudSimTags.RESOURCE_AR_LIST:
id = (int)e.Data;
Send(id, 0, e.Tag, _arList);
break;
default:
ProcessOtherEvent(e);
break;
}
}
public static bool CancelAll(int src, Predicate p)
{
SimEvent ev = null;
int prevSize = _futureQueue.Size();
IEnumerator <SimEvent> enumerator = _futureQueue.GetEnumerator();
do
{
ev = enumerator.Current;
if (ev.Source == src && p.Match(ev))
{
_futureQueue.Remove(ev);
}
} while (enumerator.MoveNext());
// In original CloudSim code on Java
// the comparison has such representation
// Not sure whether it is correct,
// because in case if at least one event
// will be removed, then prevSize will
// always be greater than actual size
return(prevSize < _futureQueue.Size());
}
public abstract void ProcessEvent(SimEvent e);
private static void ProcessEvent(SimEvent e)
{
int dest, src;
SimEntity destEnt;
if (e.EventTime < _clock)
{
throw new ArgumentException("Past event detected.");
}
_clock = e.EventTime;
switch (e.InternalType)
{
case SimEvent.ENULL:
throw new ArgumentException("Event has a null type.");
case SimEvent.CREATE:
SimEntity newEntity = (SimEntity)e.Data;
AddEntityDynamically(newEntity);
break;
case SimEvent.SEND:
dest = e.Destination;
if (dest < 0)
{
throw new ArgumentException("Attempt to send to null entity detected.");
}
else
{
int tag = e.Tag;
destEnt = _entities.Find(ent => ent.Id == dest);
if (destEnt.State == SimEntity.WAITING)
{
Predicate p;
if (_waitPredicates.TryGetValue(dest, out p))
{
if (p == null || tag == 9999 || p.Match(e))
{
destEnt.EventBuffer = (SimEvent)e.Clone();
destEnt.State = SimEntity.RUNNABLE;
_waitPredicates.Remove(dest);
}
else
{
_deferedQueue.AddEvent(e);
}
}
}
else
{
_deferedQueue.AddEvent(e);
}
}
break;
case SimEvent.HOLD_DONE:
src = e.Source;
if (src < 0)
{
throw new ArgumentException("Null entity holding.");
}
else
{
_entities.Find(ent => ent.Id == src).State = SimEntity.RUNNABLE;
}
break;
}
}
public bool Remove(SimEvent e)
{
return(_list.Remove(e));
}