//--- 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();
}
/// <summary>
/// Retrieve all cookies that apply to a Uri.
/// </summary>
/// <param name="uri">Uri to match.</param>
/// <returns>List of cookies.</returns>
public List <DreamCookie> Fetch(XUri uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
List <DreamCookie> result = new List <DreamCookie>();
Fetch(uri, 0, result);
XUri localUri = uri.AsLocalUri();
if (localUri != uri)
{
Fetch(localUri, 0, result);
}
return(result);
}
private IEnumerator <IYield> SubscribeInstanceEvents(Plug pubsubPlug, Result result)
{
_log.DebugFormat("subscribing to pubsub {0}", pubsubPlug.Uri.ToString());
var 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/site/started")
.Start("recipient")
.Attr("authtoken", _apikey)
.Elem("uri", Self.Uri.At("queue"))
.End()
.End();
DreamMessage subscription = null;
yield return(pubsubPlug.At("subscribers").PostAsync(subscriptionSet).Set(x => subscription = x));
// only care about created responses, but log other failures
if (subscription.Status == DreamStatus.Created)
{
string accessKey = subscription.ToDocument()["access-key"].AsText;
XUri location = subscription.Headers.Location;
Cookies.Update(DreamCookie.NewSetCookie("access-key", accessKey, location), null);
_subscriptionLocation = location.AsLocalUri().WithoutQuery();
_log.DebugFormat("subscribed indexer for events at {0}", _subscriptionLocation);
}
else if (subscription.Status == DreamStatus.Conflict)
{
_log.DebugFormat("didn't subscribe, since we already had a subscription in place");
}
else
{
_log.WarnFormat("subscribe to {0} failed: {1}", pubsubPlug.Uri.ToString(), subscription.Status);
}
result.Return();
}
//--- Methods ---
protected override Yield Start(XDoc config, Result result)
{
yield return(Coroutine.Invoke(base.Start, config, new Result()));
// set up cache reaper
_ttl = TimeSpan.FromSeconds(Config["news-ttl"].AsDouble ?? 60 * 60);
double?checkInterval = Config["check-interval"].AsDouble;
if (checkInterval.HasValue)
{
_checkInterval = TimeSpan.FromSeconds(checkInterval.Value);
}
else
{
double checkInterval2 = _ttl.TotalSeconds / 10;
if (_ttl.TotalSeconds < 30 || checkInterval2 < 30)
{
checkInterval2 = 30;
}
_checkInterval = TimeSpan.FromSeconds(checkInterval2);
}
TaskTimer.New(_ttl, delegate(TaskTimer timer) {
lock (_pageViews) {
View next;
do
{
if (_pageViews.Count == 0)
{
break;
}
next = _pageViews.Peek();
if (next != null)
{
if (next.Time.Add(_ttl) < DateTime.UtcNow)
{
_pageViews.Dequeue();
}
else
{
break;
}
}
} while(next != null);
}
timer.Change(_checkInterval, TaskEnv.None);
}, null, TaskEnv.None);
// get the apikey, which we will need as a subscription auth token for subscriptions not done on behalf of a user
_apikey = config["apikey"].AsText;
// build ignore list
string ignore = config["ignore"].AsText;
if (!string.IsNullOrEmpty(ignore))
{
foreach (string page in ignore.Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries))
{
_ignore[page] = null;
}
}
// set up subscription for page views
XDoc subscription = new XDoc("subscription-set")
.Elem("uri.owner", Self.Uri.AsServerUri().ToString())
.Start("subscription")
.Elem("channel", "event://*/deki/pages/view")
.Add(DreamCookie.NewSetCookie("service-key", InternalAccessKey, Self.Uri).AsSetCookieDocument)
.Start("recipient")
.Attr("authtoken", _apikey)
.Elem("uri", Self.Uri.AsServerUri().At("notify", "view").ToString())
.End()
.End();
Result <DreamMessage> subscribe;
yield return(subscribe = PubSub.At("subscribers").PostAsync(subscription));
string accessKey = subscribe.Value.ToDocument()["access-key"].AsText;
XUri location = subscribe.Value.Headers.Location;
Cookies.Update(DreamCookie.NewSetCookie("access-key", accessKey, location), null);
_subscriptionLocation = Plug.New(location.AsLocalUri().WithoutQuery());
_log.DebugFormat("set up initial subscription location at {0}", _subscriptionLocation.Uri);
result.Return();
}
//--- Methods ---
protected override Yield Start(XDoc config, Result result)
{
yield return(Coroutine.Invoke(base.Start, config, new Result()));
// get the apikey, which we will need as a subscription auth token for subscriptions not done on behalf of a user
_apikey = config["apikey"].AsText;
// capture the wikiId of the wiki starting us
string wikiId = config["wikiid"].AsText ?? "default";
// set up plug deki, so we can validate users
XUri dekiUri = config["uri.deki"].AsUri ?? new XUri("http://localhost:8081/deki");
_deki = Plug.New(dekiUri).With("apikey", _apikey).WithHeader("X-Deki-Site", "id=" + wikiId);
// get ajax polling interval
_pollInterval = TimeSpan.FromSeconds(config["poll-interval"].AsDouble ?? 60);
// set up subscription reaper
TaskTimer.New(TimeSpan.FromSeconds(60), timer => {
lock (_subscriptions) {
var staleSubs = new List <uint>();
foreach (KeyValuePair <uint, Subscription> pair in _subscriptions)
{
if (pair.Value.LastTouched.Add(_pollInterval).Add(TimeSpan.FromSeconds(10)) < DateTime.UtcNow)
{
staleSubs.Add(pair.Key);
}
}
foreach (uint pageId in staleSubs)
{
_log.DebugFormat("removing subscription for {0}", pageId);
_subscriptions.Remove(pageId);
}
}
timer.Change(TimeSpan.FromSeconds(60), TaskEnv.None);
}, null, TaskEnv.None);
// set up subscription for pubsub
XDoc subscription = new XDoc("subscription-set")
.Elem("uri.owner", Self.Uri.AsServerUri().ToString())
.Start("subscription")
.Elem("channel", string.Format("event://{0}/deki/pages/update", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/revert", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/tags/update", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/comments/create", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/comments/update", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/comments/delete", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/files/create", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/files/update", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/files/delete", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/files/properties/*", wikiId))
.Elem("channel", string.Format("event://{0}/deki/pages/dependentschanged/files/restore", wikiId))
.Add(DreamCookie.NewSetCookie("service-key", InternalAccessKey, Self.Uri).AsSetCookieDocument)
.Start("recipient")
.Attr("authtoken", _apikey)
.Elem("uri", Self.Uri.AsServerUri().At("notify").ToString())
.End()
.End();
Result <DreamMessage> subscribe;
yield return(subscribe = PubSub.At("subscribers").PostAsync(subscription));
string accessKey = subscribe.Value.ToDocument()["access-key"].AsText;
XUri location = subscribe.Value.Headers.Location;
Cookies.Update(DreamCookie.NewSetCookie("access-key", accessKey, location), null);
_subscriptionLocation = Plug.New(location.AsLocalUri().WithoutQuery());
_log.DebugFormat("set up initial subscription location at {0}", _subscriptionLocation.Uri);
result.Return();
}
//--- Methods ---
protected override Yield Start(XDoc config, IContainer container, Result result)
{
yield return(Coroutine.Invoke(base.Start, config, new Result()));
// set up plug for phpscript that will handle the notifications
_emailer = Plug.New(config["uri.emailer"].AsUri);
// set up plug deki, so we can validate users
_deki = Plug.New(config["uri.deki"].AsUri);
// get the apikey, which we will need as a subscription auth token for subscriptions not done on behalf of a user
_apikey = config["apikey"].AsText;
_cache = new PageChangeCache(_deki.With("apikey", _apikey), TimeSpan.FromSeconds(config["page-cache-ttl"].AsInt ?? 2));
if (!container.IsRegistered <IPageSubscriptionInstance>())
{
var builder = new ContainerBuilder();
builder.Register <PageSubscriptionInstance>().As <IPageSubscriptionInstance>().FactoryScoped();
builder.Build(container);
}
// TODO (arnec): this should be hitting the API to retrieve resources
// resource manager for email template
var resourcePath = Config["resources-path"].AsText;
if (!string.IsNullOrEmpty(resourcePath))
{
_resourceManager = new PlainTextResourceManager(Environment.ExpandEnvironmentVariables(resourcePath));
}
else
{
// creating a test resource manager
_log.WarnFormat("'resource-path' was not defined in Config, using a test resource manager for email templating");
var testSet = new TestResourceSet {
{ "Notification.Page.email-subject", "Page Modified" },
{ "Notification.Page.email-header", "The following pages have changed:" }
};
_resourceManager = new PlainTextResourceManager(testSet);
}
// set up subscription for pubsub
var subscriptionSet = new XDoc("subscription-set")
.Elem("uri.owner", Self.Uri.AsServerUri().ToString())
.Start("subscription")
.Elem("channel", "event://*/deki/users/*")
.Add(DreamCookie.NewSetCookie("service-key", InternalAccessKey, Self.Uri).AsSetCookieDocument)
.Start("recipient")
.Attr("authtoken", _apikey)
.Elem("uri", Self.Uri.AsServerUri().At("updateuser").ToString())
.End()
.End()
.Start("subscription")
.Elem("channel", "event://*/deki/pages/create")
.Elem("channel", "event://*/deki/pages/update")
.Elem("channel", "event://*/deki/pages/delete")
.Elem("channel", "event://*/deki/pages/revert")
.Elem("channel", "event://*/deki/pages/move")
.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/properties/*")
.Elem("channel", "event://*/deki/pages/dependentschanged/files/restore")
.Add(DreamCookie.NewSetCookie("service-key", InternalAccessKey, Self.Uri).AsSetCookieDocument)
.Start("recipient")
.Attr("authtoken", _apikey)
.Elem("uri", Self.Uri.AsServerUri().At("notify").ToString())
.End()
.End();
Result <DreamMessage> subscribe;
yield return(subscribe = PubSub.At("subscribers").PostAsync(subscriptionSet));
string accessKey = subscribe.Value.ToDocument()["access-key"].AsText;
XUri location = subscribe.Value.Headers.Location;
Cookies.Update(DreamCookie.NewSetCookie("access-key", accessKey, location), null);
_subscriptionLocation = Plug.New(location.AsLocalUri().WithoutQuery());
_log.DebugFormat("set up initial subscription location at {0}", _subscriptionLocation.Uri);
// set up notification accumulator queue
TimeSpan accumulationMinutes = TimeSpan.FromSeconds(config["accumulation-time"].AsInt ?? 10 * 60);
_log.DebugFormat("Initializing queue with {0:0.00} minute accumulation", accumulationMinutes.TotalMinutes);
_notificationQueue = new NotificationDelayQueue(accumulationMinutes, SendEmail);
result.Return();
}
