//--- Methods ---
protected override Yield Start(XDoc config, Result result) {
yield return Coroutine.Invoke(base.Start, config, new Result());
_varnish = Plug.New(Config["uri.varnish"].AsUri);
_deki = Plug.New(Config["uri.deki"].AsUri);
_apikey = Config["apikey"].AsText;
_delayPurgeTimespan = TimeSpan.FromSeconds(config["varnish-purge-delay"].AsInt ?? 10);
var dispatcher = new UpdateRecordDispatcher(OnQueueExpire);
_updateDelayQueue = new UpdateDelayQueue(_delayPurgeTimespan, dispatcher);
// set up subscription for pubsub
XDoc subscriptionSet = new XDoc("subscription-set")
.Elem("uri.owner", Self.Uri)
.Start("subscription")
.Add(DreamCookie.NewSetCookie("service-key", InternalAccessKey, Self.Uri).AsSetCookieDocument)
.Elem("channel", "event://*/deki/pages/create")
.Elem("channel", "event://*/deki/pages/move")
.Elem("channel", "event://*/deki/pages/update")
.Elem("channel", "event://*/deki/pages/delete")
.Elem("channel", "event://*/deki/pages/revert")
.Elem("channel", "event://*/deki/pages/createalias")
.Elem("channel", "event://*/deki/pages/tags/update")
.Elem("channel", "event://*/deki/pages/dependentschanged/comments/create")
.Elem("channel", "event://*/deki/pages/dependentschanged/comments/update")
.Elem("channel", "event://*/deki/pages/dependentschanged/comments/delete")
.Elem("channel", "event://*/deki/pages/dependentschanged/files/create")
.Elem("channel", "event://*/deki/pages/dependentschanged/files/update")
.Elem("channel", "event://*/deki/pages/dependentschanged/files/delete")
.Elem("channel", "event://*/deki/pages/dependentschanged/files/move")
.Elem("channel", "event://*/deki/pages/dependentschanged/files/restore")
.Elem("channel", "event://*/deki/files/create")
.Elem("channel", "event://*/deki/files/update")
.Elem("channel", "event://*/deki/files/delete")
.Elem("channel", "event://*/deki/files/move")
.Elem("channel", "event://*/deki/files/restore")
.Start("recipient")
.Attr("authtoken", _apikey)
.Elem("uri", Self.Uri.At("queue"))
.End()
.End();
Result<DreamMessage> subscriptionResult;
yield return subscriptionResult = PubSub.At("subscribers").PostAsync(subscriptionSet);
string accessKey = subscriptionResult.Value.ToDocument()["access-key"].AsText;
XUri location = subscriptionResult.Value.Headers.Location;
Cookies.Update(DreamCookie.NewSetCookie("access-key", accessKey, location), null);
_subscriptionLocation = location.AsLocalUri().WithoutQuery();
_log.DebugFormat("subscribed VarnishPurgeService for events at {0}", _subscriptionLocation);
result.Return();
}
public void Callback_in_delay_time() {
var dispatcher = new MockUpdateRecordDispatcher(1);
var queue = new UpdateDelayQueue(TimeSpan.FromSeconds(1), dispatcher);
XDoc queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/update")
.Elem("pageid", "1")
.Elem("path", "bar");
DateTime queueTime = DateTime.Now;
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
if(!dispatcher.ResetEvent.WaitOne(5000, true)) {
Assert.Fail("callback didn't happen");
}
Assert.AreEqual(1, dispatcher.Dispatches.Count);
Assert.AreEqual(1, dispatcher.Dispatches[0].Item2.Id);
Assert.AreEqual("abc", dispatcher.Dispatches[0].Item2.WikiId);
Assert.AreEqual("bar", dispatcher.Dispatches[0].Item2.Path);
Assert.AreEqual(RecordType.Page, dispatcher.Dispatches[0].Item2.Type);
Assert.GreaterOrEqual(dispatcher.Dispatches[0].Item1, queueTime.Add(TimeSpan.FromMilliseconds(1000)));
}
public void Multiple_events_for_same_page_fire_once_on_first_plus_delay() {
var dispatcher = new MockUpdateRecordDispatcher(1);
var queue = new UpdateDelayQueue(TimeSpan.FromSeconds(2), dispatcher);
XDoc queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/create")
.Elem("pageid", "1")
.Elem("path", "bar");
DateTime queueTime = DateTime.Now;
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
Thread.Sleep(300);
queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/update")
.Elem("pageid", "1")
.Elem("path", "bar");
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
Thread.Sleep(300);
queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/foop")
.Elem("pageid", "1")
.Elem("path", "bar");
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
if(!dispatcher.ResetEvent.WaitOne(3000, true)) {
Assert.Fail("callback didn't happen");
}
Assert.AreEqual(1, dispatcher.Dispatches.Count);
Assert.AreEqual(1, dispatcher.Dispatches[0].Item2.Id);
Assert.AreEqual("abc", dispatcher.Dispatches[0].Item2.WikiId);
Assert.AreEqual("bar", dispatcher.Dispatches[0].Item2.Path);
Assert.AreEqual(RecordType.Page, dispatcher.Dispatches[0].Item2.Type);
Assert.GreaterOrEqual(dispatcher.Dispatches[0].Item1, queueTime.Add(TimeSpan.FromMilliseconds(2000)));
Assert.LessOrEqual(dispatcher.Dispatches[0].Item1, queueTime.Add(TimeSpan.FromMilliseconds(2200)));
Thread.Sleep(1000);
Assert.AreEqual(1, dispatcher.Dispatches.Count);
}
public void QueueSize_queries_dispatcher_QueueSize() {
var dispatcher = new MockUpdateRecordDispatcher(1);
var queue = new UpdateDelayQueue(TimeSpan.FromSeconds(1), dispatcher);
Assert.AreEqual(1, queue.QueueSize);
Assert.AreEqual(1, dispatcher.QueueSizeCalled);
}
public void Can_dispatch_using_coroutine_dispatcher() {
var helper = new CallbackHelper();
var queue = new UpdateDelayQueue(TimeSpan.FromSeconds(1), new UpdateRecordDispatcher(helper.Invoke));
var queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/update")
.Elem("pageid", "1")
.Elem("path", "bar");
queue.Enqueue(queued);
Assert.AreEqual(0, helper.Callbacks.Count);
if(!helper.ResetEvent.WaitOne(2000, true)) {
Assert.Fail("callback didn't happen");
}
Assert.AreEqual(1, helper.Callbacks.Count);
Assert.AreEqual(1, helper.Callbacks[0].Id);
Assert.AreEqual("abc", helper.Callbacks[0].WikiId);
Assert.AreEqual("bar", helper.Callbacks[0].Path);
Assert.AreEqual(RecordType.Page, helper.Callbacks[0].Type);
}
public void Multiple_events_for_same_page_update_path_in_dispatched_callback() {
var dispatcher = new MockUpdateRecordDispatcher(1);
var queue = new UpdateDelayQueue(TimeSpan.FromSeconds(1), dispatcher);
XDoc queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/create")
.Elem("pageid", "1")
.Elem("path", "bar");
DateTime queueTime = DateTime.Now;
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
Thread.Sleep(100);
queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/update")
.Elem("pageid", "1")
.Elem("path", "baz");
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
if(!dispatcher.ResetEvent.WaitOne(2000, true)) {
Assert.Fail("callbacks didn't happen");
}
Assert.AreEqual(1, dispatcher.Dispatches.Count);
Assert.AreEqual(1, dispatcher.Dispatches[0].Item2.Id);
Assert.AreEqual("abc", dispatcher.Dispatches[0].Item2.WikiId);
Assert.AreEqual("baz", dispatcher.Dispatches[0].Item2.Path);
Assert.AreEqual(RecordType.Page, dispatcher.Dispatches[0].Item2.Type);
}
public void Multiple_events_for_different_types_fire_for_each_type() {
var dispatcher = new MockUpdateRecordDispatcher(3);
var queue = new UpdateDelayQueue(TimeSpan.FromSeconds(1), dispatcher);
XDoc queued = new XDoc("deki-event")
.Attr("wikiid", "abc")
.Elem("channel", "event://abc/deki/pages/create")
.Elem("pageid", "1")
.Elem("path", "bar");
DateTime queueTime = DateTime.Now;
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
Thread.Sleep(100);
queued = new XDoc("deki-event")
.Attr("wikiid", "abd")
.Elem("channel", "event://abc/deki/pages/update")
.Elem("pageid", "2")
.Elem("path", "baz");
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
Thread.Sleep(100);
queued = new XDoc("deki-event")
.Attr("wikiid", "abf")
.Elem("channel", "event://abc/deki/files/foop")
.Elem("fileid", "1");
queue.Enqueue(queued);
Assert.AreEqual(0, dispatcher.Dispatches.Count);
if(!dispatcher.ResetEvent.WaitOne(2000, true)) {
Assert.Fail("callbacks didn't happen");
}
Assert.AreEqual(3, dispatcher.Dispatches.Count);
Assert.AreEqual(1, dispatcher.Dispatches[0].Item2.Id);
Assert.AreEqual("abc", dispatcher.Dispatches[0].Item2.WikiId);
Assert.AreEqual("bar", dispatcher.Dispatches[0].Item2.Path);
Assert.AreEqual(RecordType.Page, dispatcher.Dispatches[0].Item2.Type);
Assert.AreEqual(2, dispatcher.Dispatches[1].Item2.Id);
Assert.AreEqual("abd", dispatcher.Dispatches[1].Item2.WikiId);
Assert.AreEqual("baz", dispatcher.Dispatches[1].Item2.Path);
Assert.AreEqual(RecordType.Page, dispatcher.Dispatches[1].Item2.Type);
Assert.AreEqual(1, dispatcher.Dispatches[2].Item2.Id);
Assert.AreEqual("abf", dispatcher.Dispatches[2].Item2.WikiId);
Assert.IsTrue(string.IsNullOrEmpty(dispatcher.Dispatches[2].Item2.Path));
Assert.AreEqual(RecordType.File, dispatcher.Dispatches[2].Item2.Type);
}
protected override Yield Stop(Result result) {
_updateDelayQueue.Cleanup();
_updateDelayQueue = null;
yield return Plug.New(_subscriptionLocation).DeleteAsync().Catch();
yield return Coroutine.Invoke(base.Stop, new Result());
result.Return();
}
