private void SendSystemMessage(SystemMessage systemMessage)
{
_stopped.IfOff(() =>
{
var failed = systemMessage as Failed;
if(failed != null)
{
var cause = failed.Cause;
var child = failed.Child;
_log.Error(cause, "guardian {0} failed, shutting down!", child);
CauseOfTermination = cause;
((InternalActorRef) child).Stop();
return;
}
var supervise = systemMessage as Supervise;
if(supervise != null)
{
// This comment comes from AKKA: TO DO register child in some map to keep track of it and enable shutdown after all dead
return;
}
var deathWatchNotification = systemMessage as DeathWatchNotification;
if(deathWatchNotification != null)
{
Stop();
return;
}
_log.Error("{0} received unexpected system message [{1}]",_path,systemMessage);
});
}
internal static int SizeInner(SystemMessage head, int acc)
{
while (true)
{
if (head == null) return acc;
head = head.Next;
acc = acc + 1;
}
}
internal static SystemMessage ReverseInner(SystemMessage head, SystemMessage acc)
{
while (true)
{
if (head == null)
return acc;
var next = head.Next;
head.Next = acc;
var head1 = head;
head = next;
acc = head1;
}
}
/// <summary>
/// Creates a new message list.
/// </summary>
/// <param name="head">The current head item.</param>
public LatestFirstSystemMessageList(SystemMessage head)
{
Head = head;
}
/// <summary>
/// Unlinks this message from the linked list.
/// </summary>
public void Unlink()
{
Next = null;
}
/// <summary>
/// Creates a new message list.
/// </summary>
/// <param name="head">The current head item.</param>
public EarliestFirstSystemMessageList(SystemMessage head)
{
Head = head;
}
private void SendSystemMessage(SystemMessage systemMessage)
{
try
{
Self.Tell(systemMessage);
}
catch (Exception e)
{
_systemImpl.EventStream.Publish(new Error(e, _self.Parent.ToString(), ActorType, "Swallowing exception during message send"));
}
}
internal override void SystemEnqueue(IActorRef receiver, SystemMessage message)
{
_deadLetters.Tell(new DeadLetter(message, receiver, receiver));
}
protected void Stash(SystemMessage msg)
{
Assert.Assert(msg.Unlinked);
_sysMsgStash = _sysMsgStash + msg;
}
private static bool ShouldStash(SystemMessage m, int state)
{
switch (state)
{
case SuspendedWaitForChildrenState:
return m is IStashWhenWaitingForChildren;
case SuspendedState:
return m is IStashWhenFailed;
case DefaultState:
default:
return false;
}
}
/// <summary>
/// Dispatches a <see cref="SystemMessage"/> from a mailbox to an <see cref="ActorCell"/>
/// </summary>
public virtual void SystemDispatch(ActorCell cell, SystemMessage message)
{
var mbox = cell.Mailbox;
mbox.SystemEnqueue(cell.Self, message);
RegisterForExecution(mbox, false, true);
}
public LatestFirstSystemMessageList(SystemMessage head)
{
Head = head;
}
public void Unlink()
{
Next = null;
}
public EarliestFirstSystemMessageList(SystemMessage head)
{
Head = head;
}
private void SendSystemMessage(SystemMessage message)
{
Mailbox.DebugPrint("EmptyLocalActorRef {0} having enqueued {1}", Path, message);
SpecialHandle(message, _provider.DeadLetters);
}
/// <summary>
/// Sends the system message.
/// </summary>
/// <param name="message">The message.</param>
private void SendSystemMessage(SystemMessage message)
{
Remote.Send(message, null, this);
Provider.AfterSendSystemMessage(message);
}
/// <summary>
/// Afters the send system message.
/// </summary>
/// <param name="message">The message.</param>
public void AfterSendSystemMessage(SystemMessage message)
{
message.Match()
.With<Watch>(m => { })
.With<Unwatch>(m => { });
// message match {
// // Sending to local remoteWatcher relies strong delivery guarantees of local send, i.e.
// // default dispatcher must not be changed to an implementation that defeats that
// case rew: RemoteWatcher.Rewatch ⇒
// remoteWatcher ! RemoteWatcher.RewatchRemote(rew.watchee, rew.watcher)
// case Watch(watchee, watcher) ⇒ remoteWatcher ! RemoteWatcher.WatchRemote(watchee, watcher)
// case Unwatch(watchee, watcher) ⇒ remoteWatcher ! RemoteWatcher.UnwatchRemote(watchee, watcher)
// case _ ⇒
//}
}
protected void SendSystemMessage(SystemMessage message, ActorRef sender)
{
PatternMatch.Match(message)
.With<Terminate>(t => Stop())
.With<DeathWatchNotification>(d => Tell(new Terminated(d.Actor, d.ExistenceConfirmed, d.AddressTerminated)));
}