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<?php |
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/* |
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* This file is part of the Tidal/WampWatch package. |
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* (c) 2016 Timo Michna <timomichna/yahoo.de> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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*/ |
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namespace Tidal\WampWatch; |
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use React\Promise\Promise; |
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use Tidal\WampWatch\ClientSessionInterface as ClientSession; |
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/** |
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* Description of SessionMonitor. |
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* |
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* @author Timo |
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*/ |
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class SubscriptionMonitor implements MonitorInterface |
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{ |
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use MonitorTrait; |
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const SUBSCRIPTION_CREATE_TOPIC = 'wamp.subscription.on_create'; |
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const SUBSCRIPTION_SUB_TOPIC = 'wamp.subscription.on_subscribe'; |
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const SUBSCRIPTION_UNSUB_TOPIC = 'wamp.subscription.on_unsubscribe'; |
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const SUBSCRIPTION_DELETE_TOPIC = 'wamp.subscription.on_delete'; |
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const SUBSCRIPTION_LIST_TOPIC = 'wamp.subscription.list'; |
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const SUBSCRIPTION_LOOKUP_TOPIC = 'wamp.subscription.lookup'; |
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const SUBSCRIPTION_MATCH_TOPIC = 'wamp.subscription.match'; |
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const SUBSCRIPTION_GET_TOPIC = 'wamp.subscription.get'; |
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const SUBSCRIPTION_SUBLIST_TOPIC = 'wamp.subscription.list_subscribers'; |
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const SUBSCRIPTION_SUBCOUNT_TOPIC = 'wamp.subscription.count_subscribers'; |
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const LOOKUP_MATCH_WILDCARD = 'wildcard'; |
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const LOOKUP_MATCH_PREFIX = 'prefix'; |
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protected $sessionIds = []; |
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/** |
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* @var \stdClass Objects withs lists of subscriptions (exact, prefix, wildcard) |
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*/ |
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protected $subscriptionIds = null; |
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/** |
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* Constructor. |
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* |
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* @param ClientSession $session |
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*/ |
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public function __construct(ClientSession $session) |
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{ |
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$this->setClientSession($session); |
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$this->initSetupCalls(); |
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} |
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/** |
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* @param string $topic |
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* |
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* @return Promise |
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*/ |
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public function getSubscriptionInfo($topic) |
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{ |
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return $this->session->call(self::SUBSCRIPTION_GET_TOPIC, $topic)->then( |
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function ($res) { |
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$this->emit('info', [$res]); |
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return $res; |
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}, |
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$this->getErrorCallback() |
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); |
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} |
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public function getSubscriptionIds() |
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{ |
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if (!isset($this->subscriptionIds)) { |
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return $this->retrieveSubscriptionIds(); |
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} |
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return new Promise(function (callable $resolve) { |
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$resolve($this->subscriptionIds); |
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}); |
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} |
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/** |
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* Initializes the subscription to the meta-events. |
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*/ |
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protected function initSetupCalls() |
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{ |
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// @var \Tidal\WampWatch\Subscription\Collection |
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$collection = $this->getMetaSubscriptionCollection(); |
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$collection->addSubscription(self::SUBSCRIPTION_CREATE_TOPIC, $this->getCreateHandler()); |
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$collection->addSubscription(self::SUBSCRIPTION_DELETE_TOPIC, $this->getSubscriptionHandler('delete')); |
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$collection->addSubscription(self::SUBSCRIPTION_SUB_TOPIC, $this->getSubscriptionHandler('subscribe')); |
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$collection->addSubscription(self::SUBSCRIPTION_UNSUB_TOPIC, $this->getSubscriptionHandler('unsubscribe')); |
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$this->setInitialCall(self::SUBSCRIPTION_LIST_TOPIC, $this->getSubscriptionIdRetrievalCallback()); |
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} |
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private function getCreateHandler() |
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{ |
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return function ($res) { |
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$sessionId = $res[0]; |
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$subscriptionInfo = $res[1]; |
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$this->emit('create', [$sessionId, $subscriptionInfo]); |
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}; |
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} |
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private function getSubscriptionHandler($event) |
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{ |
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return function ($res) use ($event) { |
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$sessionId = $res[0]; |
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$subscriptionId = $res[1]; |
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$this->emit($event, [$sessionId, $subscriptionId]); |
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}; |
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} |
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protected function retrieveSubscriptionIds() |
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{ |
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return $this->session->call(self::SUBSCRIPTION_LIST_TOPIC, []) |
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->then( |
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$this->getSubscriptionIdRetrievalCallback(), |
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$this->getErrorCallback() |
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); |
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} |
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protected function setList($list) |
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{ |
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$this->subscriptionIds = $list; |
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} |
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protected function getList() |
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{ |
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return $this->subscriptionIds; |
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} |
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protected function getSubscriptionIdRetrievalCallback() |
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{ |
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return function ($res) { |
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$this->setList($res); |
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$this->emit('list', [ |
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$this->subscriptionIds->exact, |
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$this->subscriptionIds->prefix, |
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$this->subscriptionIds->wildcard, |
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]); |
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$this->checkStarted(); |
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return $res; |
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}; |
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} |
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} |
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tidal /
WampWatch
