/**
  * Handle the command.
  *
  * @param ConnectToPersistentSubscription $command
  *
  * @return object
  */
 function request($command)
 {
     return new Emitter(function (callable $emit) use($command) {
         while ($this->running) {
             try {
                 $response = (yield from $this->send(new Request('GET', sprintf('/subscriptions/%s/%s/%s?embed=body', $command->getEventStreamId(), $command->getSubscriptionId(), $command->getAllowedInFlightMessages()), ['Accept' => 'application/vnd.eventstore.competingatom+json'])));
                 $data = json_decode($response->getBody()->getContents(), true);
                 if (count($data['entries'])) {
                     foreach (array_reverse($data['entries']) as $entry) {
                         try {
                             $this->assertEvent($entry);
                             (yield $emit(new PersistentSubsciptionStreamEventAppeared($this->buildEvent($entry))));
                         } catch (AssertionFailedException $e) {
                             continue;
                         }
                     }
                 } else {
                     (yield Awaitable\resolve()->delay(0.5));
                 }
             } catch (RequestException $error) {
                 if (404 === $error->getResponse()->getStatusCode()) {
                     throw new NonExistentSubscriptionException(sprintf('Subscription %s-%s does not exist: %s', $command->getEventStreamId(), $command->getSubscriptionId(), $error->getMessage()), $error->getCode(), $error);
                 }
                 throw $error;
             }
         }
     });
 }
 /**
  * Input heartbeat loop
  */
 public function inputHeartbeatLoop()
 {
     while ($this->isOpen()) {
         (yield Awaitable\resolve()->delay($this->heartbeat * 2));
         if (!$this->something_received_between_heartbeat_checks) {
             (yield $this->close());
         } else {
             $this->something_received_between_heartbeat_checks = false;
         }
     }
 }
Example #3
0
 /**
  * @coroutine
  *
  * @param float $time Time to sleep in seconds.
  *
  * @return \Generator
  *
  * @resolve float Actual time slept in seconds.
  */
 function sleep(float $time) : \Generator
 {
     $start = (yield Awaitable\resolve(microtime(true))->delay($time));
     return microtime(true) - $start;
 }