public virtual async Task EmitAsync(IOpenModComponent component, object sender, IEvent @event,
EventExecutedCallback callback = null)
{
if (!component.IsComponentAlive)
{
return;
}
var eventTypes = new List <Type>();
var currentType = @event.GetType();
while (currentType != null && typeof(IEvent).IsAssignableFrom(currentType))
{
eventTypes.Add(currentType);
currentType = currentType.BaseType;
}
eventTypes.AddRange(@event.GetType().GetInterfaces().Where(d => typeof(IEvent).IsAssignableFrom(d)));
foreach (var eventType in eventTypes.Except(s_OmittedTypes))
{
string eventName = GetEventName(eventType);
m_Logger.LogTrace($"Emitting event: {eventName}");
var eventSubscriptions
= m_EventSubscriptions
.Where(c => (c.EventType != null && c.EventType == eventType) ||
(eventName.Equals(c.EventName, StringComparison.OrdinalIgnoreCase) &&
c.Owner.IsAlive && ((IOpenModComponent)c.Owner.Target).IsComponentAlive))
.ToList();
if (eventSubscriptions.Count == 0)
{
continue;
}
var comparer = new PriorityComparer(PriortyComparisonMode.LowestFirst);
eventSubscriptions.Sort((a, b) =>
comparer.Compare(
(Priority)a.EventListenerAttribute.Priority,
(Priority)b.EventListenerAttribute.Priority)
);
foreach (var group in eventSubscriptions.GroupBy(e => e.Scope))
{
await using var newScope = group.Key.BeginLifetimeScope("AutofacWebRequest");
foreach (var subscription in group)
{
var cancellableEvent = @event as ICancellableEvent;
if (cancellableEvent != null &&
cancellableEvent.IsCancelled &&
!subscription.EventListenerAttribute.IgnoreCancelled)
{
continue;
}
var wasCancelled = false;
if (cancellableEvent != null)
{
wasCancelled = cancellableEvent.IsCancelled;
}
var serviceProvider = newScope.Resolve <IServiceProvider>();
try
{
await subscription.Callback.Invoke(serviceProvider, sender, @event);
if (cancellableEvent != null && subscription.EventListenerAttribute.Priority ==
EventListenerPriority.Monitor)
{
if (cancellableEvent.IsCancelled != wasCancelled)
{
cancellableEvent.IsCancelled = wasCancelled;
m_Logger.LogWarning(
$"{((IOpenModComponent)@subscription.Owner.Target).OpenModComponentId} changed {@eventName} cancellation status with Monitor priority which is not permitted.");
}
}
}
catch (Exception ex)
{
m_Logger.LogError(ex, $"Exception occured during event {@eventName}");
}
}
}
m_Logger.LogTrace($"{eventName}: Finished.");
}
callback?.Invoke(@event);
}
public virtual async Task EmitAsync(IOpenModComponent component, object sender, IEvent @event, EventExecutedCallback callback = null)
{
if (!component.IsComponentAlive)
{
return;
}
m_Logger.LogTrace($"Emitting event: {@event.Name}");
var eventSubscriptions
= m_EventSubscriptions
.Where(c => (c.EventType != null && c.EventType.IsInstanceOfType(@event)) ||
(@event.Name.Equals(c.EventName, StringComparison.OrdinalIgnoreCase) &&
c.Owner.IsAlive && ((IOpenModComponent)c.Owner.Target).IsComponentAlive))
.ToList();
void Complete()
{
m_Logger.LogTrace($"{@event.Name}: Finished.");
callback?.Invoke(@event);
}
if (eventSubscriptions.Count == 0)
{
m_Logger?.LogTrace($"{@event.Name}: No listeners found.");
Complete();
return;
}
var comparer = new PriorityComparer(PriortyComparisonMode.LowestFirst);
eventSubscriptions.Sort((a, b) => comparer.Compare(a.EventListenerAttribute.Priority, b.EventListenerAttribute.Priority));
foreach (var group in eventSubscriptions.GroupBy(e => e.Scope))
{
await using var newScope = group.Key.BeginLifetimeScope("AutofacWebRequest");
foreach (var subscription in group)
{
if (@event is ICancellableEvent cancellableEvent &&
cancellableEvent.IsCancelled &&
!subscription.EventListenerAttribute.IgnoreCancelled)
{
continue;
}
var serviceProvider = newScope.Resolve <IServiceProvider>();
try
{
await subscription.Callback.Invoke(serviceProvider, sender, @event);
}
catch (Exception ex)
{
m_Logger.LogError(ex, $"Exception occured during event {@event.Name}");
}
}
}
Complete();
}
public virtual async Task EmitAsync(IOpenModComponent component, object sender, IEvent @event, EventExecutedCallback callback = null)
{
if (!component.IsComponentAlive)
{
return;
}
m_Logger.LogTrace($"Emitting event: {@event.Name}");
var eventSubscriptions
= m_EventSubscriptions
.Where(c => (c.EventType != null && c.EventType.IsInstanceOfType(@event)) ||
(@event.Name.Equals(c.EventName, StringComparison.OrdinalIgnoreCase) &&
c.Owner.IsAlive && ((IOpenModComponent)c.Owner.Target).IsComponentAlive))
.ToList();
void Complete()
{
m_Logger.LogTrace($"{@event.Name}: Finished.");
callback?.Invoke(@event);
}
if (eventSubscriptions.Count == 0)
{
m_Logger?.LogTrace($"{@event.Name}: No listeners found.");
Complete();
return;
}
var comparer = new PriorityComparer(PriortyComparisonMode.LowestFirst);
eventSubscriptions.Sort((a, b) => comparer.Compare(a.EventListenerAttribute.Priority, b.EventListenerAttribute.Priority));
foreach (var subscription in eventSubscriptions)
{
var owner = subscription.Owner;
if (!owner.IsAlive || !((IOpenModComponent)owner.Target).IsComponentAlive)
{
m_EventSubscriptions.Remove(subscription);
continue;
}
if (@event is ICancellableEvent cancellableEvent &&
cancellableEvent.IsCancelled &&
!subscription.EventListenerAttribute.IgnoreCancelled)
{
continue;
}
var serviceProvider = subscription.Scope.Resolve <IServiceProvider>();
await subscription.Callback.Invoke(serviceProvider, sender, @event);
}
Complete();
}
public void Emit(IEventEmitter sender, IEvent @event, EventExecutedCallback callback = null)
{
if (!sender.IsAlive)
{
return;
}
if (sender == null)
{
throw new ArgumentNullException(nameof(sender));
}
if (@event == null)
{
throw new ArgumentNullException(nameof(@event));
}
string eventNameString = "[" + string.Join(", ", @event.Names.ToArray()) + "]" + " by \"" + sender.Name + "\"";
string primaryName = @event.Names.First();
logger?.LogTrace(eventNameString + ": Emitting.");
inProgress.Add(@event);
List <EventAction> actions =
eventListeners
.Where(c => c.TargetEventType?.IsInstanceOfType(@event)
?? @event.Names.Any(d => c.TargetEventNames.Any(e => d.Equals(e, StringComparison.OrdinalIgnoreCase))) &&
c.Owner.IsAlive)
.ToList();
actions.Sort((a, b) => ServicePriorityComparer.Compare(a.Handler.Priority, b.Handler.Priority));
List <EventAction> targetActions =
(from info in actions
/* ignore cancelled events */
where !(@event is ICancellableEvent) ||
!((ICancellableEvent)@event).IsCancelled ||
info.Handler.IgnoreCancelled
where CheckEmitter(info, sender.Name, @event.IsGlobal)
where CheckEvent(info, @event.Names)
select info)
.ToList();
void FinishEvent()
{
logger?.LogTrace(eventNameString + ": Finished.");
inProgress.Remove(@event);
callback?.Invoke(@event);
}
if (targetActions.Count == 0)
{
logger?.LogTrace(eventNameString + ": No listeners found.");
FinishEvent();
return;
}
container.TryResolve(null, out ITaskScheduler scheduler);
if (scheduler == null && @event.ExecutionTarget != EventExecutionTargetContext.Sync)
{
FinishEvent();
return;
}
int executionCount = 0;
foreach (EventAction info in targetActions)
{
ILifecycleObject pl = info.Owner;
if (scheduler == null)
{
info.Action.Invoke(sender, @event);
continue;
}
scheduler.ScheduleUpdate(pl, () =>
{
executionCount++;
info.Action.Invoke(sender, @event);
//all actions called; run OnEventExecuted
if (executionCount == targetActions.Count)
{
FinishEvent();
}
}, primaryName + "EmitTask", (ExecutionTargetContext)@event.ExecutionTarget);
}
if (scheduler == null)
{
FinishEvent();
}
}
public void Emit(object sender, IEvent @event, EventExecutedCallback callback = null)
{
if (sender == null)
{
throw new ArgumentNullException(nameof(sender));
}
if (@event == null)
{
throw new ArgumentNullException(nameof(@event));
}
#if LOG_EVENTS
string eventNameString = $"{string.Join(", ", @event.Names.Select(d => d + "Event"))}";
logger.LogDebug(eventNameString + " fired.");
#endif
_inProgress.Add(@event);
var names = GetEventNames(@event.GetType());
List <EventAction> actions =
_eventListeners
.Where(c => c.TargetEventType?.IsInstanceOfType(@event)
?? names.Any(d => c.TargetEventNames.Any(e => d.Equals(e, StringComparison.OrdinalIgnoreCase))))
.ToList();
actions.Sort((a, b) => EventPriorityComparer.Compare(a.Handler.Priority, b.Handler.Priority));
List <EventAction> targetActions =
(from info in actions
/* ignore cancelled events */
where !(@event is ICancellableEvent) ||
!((ICancellableEvent)@event).IsCancelled ||
info.Handler.IgnoreCancelled
where CheckEvent(info, names)
select info)
.ToList();
void FinishEvent()
{
_inProgress.Remove(@event);
callback?.Invoke(@event);
}
if (targetActions.Count == 0)
{
#if LOG_EVENTS
logger.LogDebug(eventNameString + ": No listeners found.");
#endif
FinishEvent();
return;
}
foreach (EventAction info in targetActions)
{
var wk = info.Owner;
//check if owner is alive
if (!wk.TryGetTarget(out object _))
{
actions.RemoveAll(c => c.Owner == wk);
}
info.Action.Invoke(sender, @event);
}
FinishEvent();
}