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<?php |
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namespace BZIon\Socket; |
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use BZIon\Event\EventSubscriber; |
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use Player; |
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use Ratchet\ConnectionInterface; |
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use Ratchet\MessageComponentInterface; |
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use React\EventLoop\LoopInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class EventPusher implements MessageComponentInterface |
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{ |
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/** |
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* The connected clients |
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* @var \SplObjectStorage |
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*/ |
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protected $clients; |
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/** |
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* The event subscriber |
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* @var EventSubscriber |
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*/ |
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protected $subscriber; |
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/** |
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* The event loop |
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* @var LoopInterface |
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*/ |
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protected $loop; |
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/** |
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* The console output |
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* @var OutputInterface|null |
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*/ |
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protected $output; |
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/** |
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* Max pong time and interval between pings in seconds |
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* @var int |
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*/ |
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const KEEP_ALIVE = 300; |
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/** |
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* Create a new event pusher handler |
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*/ |
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public function __construct(LoopInterface $loop, OutputInterface $output = null) |
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{ |
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$this->loop = $loop; |
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$this->output = $output; |
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$this->clients = new \SplObjectStorage(); |
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$this->subscriber = \Service::getContainer()->get('kernel.subscriber.bzion_subscriber'); |
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// Ping timer |
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$loop->addPeriodicTimer(self::KEEP_ALIVE, array($this, 'ping')); |
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} |
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/** |
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* Open the connection |
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* @param ConnectionInterface $conn |
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*/ |
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public function onOpen(ConnectionInterface $conn) |
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{ |
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// Find which player opened the connection |
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$conn->Player = Player::get($conn->Session->get('playerId')); |
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$conn->pong = true; |
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// Store the new connection to send messages to later |
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$this->clients->attach($conn); |
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$this->log( |
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sprintf( |
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"<fg=cyan>Client #{$conn->resourceId} connected from {$conn->remoteAddress}\t ({$conn->Player->getUsername()})</>", |
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$conn->resourceId, |
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$conn->remoteAddress, |
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$conn->Player->getUsername() |
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), OutputInterface::VERBOSITY_VERBOSE |
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); |
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} |
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/** |
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* Send a message as a client |
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* @param ConnectionInterface $from |
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* @param mixed $msg |
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*/ |
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public function onMessage(ConnectionInterface $from, $msg) |
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{ |
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$this->log("Received message from #{$from->resourceId}"); |
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// Record the reception of the message to prevent a ping timeout |
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$from->pong = true; |
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} |
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/** |
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* Close a connection |
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* @param ConnectionInterface $conn |
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*/ |
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public function onClose(ConnectionInterface $conn) |
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{ |
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// The connection is closed, remove it, as we can no longer send it messages |
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$this->clients->detach($conn); |
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$this->log( |
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sprintf( |
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"<fg=yellow>Client #{$conn->resourceId} disconnected from {$conn->remoteAddress}\t ({$conn->Player->getUsername()})</>", |
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$conn->resourceId, |
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$conn->remoteAddress, |
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$conn->Player->getUsername() |
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), OutputInterface::VERBOSITY_VERBOSE |
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); |
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} |
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/** |
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* Action to call on an error |
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*/ |
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public function onError(ConnectionInterface $conn, \Exception $e) |
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{ |
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echo "An error has occurred: {$e->getMessage()}\n"; |
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$conn->close(); |
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} |
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/** |
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* Pushes or emails a new private message to the user |
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* |
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* @param array $event The event data we received from the web server |
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*/ |
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private function onMessageServerEvent($event) |
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{ |
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// A list of players who received a message so that we can e-mail the |
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// ones who didn't |
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$received = array(); |
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$conversation = \Conversation::get($event->data->conversation); |
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$conversationMembers = $conversation->getPlayerIds(); |
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foreach ($this->clients as $client) { |
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$player = $client->Player; |
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if (!in_array($player->getId(), $conversationMembers)) { |
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// Don't notify that player, he doesn't belong in the conversation |
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continue; |
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} |
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$event->notification_count = $player->countUnreadNotifications(); |
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$event->message_count = $player->countUnreadMessages(); |
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$this->send($client, $event); |
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$received[] = $player->getId(); |
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} |
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// Send e-mails |
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foreach ($event->data->recipients as $recipient) { |
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// Only send an email to users who aren't currently logged in |
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if (!in_array($recipient, $received)) { |
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$this->log("<fg=green>E-mailing player {$recipient->getId()} ({$recipient->getUsername()})</>"); |
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$this->subscriber->sendEmails( |
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'New message received', |
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array($recipient), |
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'message', |
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array('message' => \Message::get($event->data->message)) |
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); |
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} |
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} |
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} |
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/** |
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* Pushes or emails a new notification to the user |
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* |
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* @param array $event The event data we received from the web server |
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*/ |
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private function onNotificationServerEvent($event) |
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{ |
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$notification = \Notification::get($event->data->notification); |
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// Whether we've notified that player in real time - if he isn't online |
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// at the moment, we'll send an e-mail to him |
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$active = false; |
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foreach ($this->clients as $client) { |
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if ($client->Player->getId() == $event->data->receiver) { |
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$this->send($client, $event); |
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$active = true; |
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} |
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} |
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if (!$active) { |
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$player = $notification->getReceiver(); |
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$this->log("<fg=green>E-mailing player {$player->getId()} ({$player->getUsername()})</>"); |
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$this->subscriber->emailNotification($notification); |
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} |
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} |
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/** |
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* Send some data to the client |
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* |
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* @param ConnectionInterface $client The client that will receive the data |
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* @param array $data The data to send |
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*/ |
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protected function send(ConnectionInterface $client, $data) |
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{ |
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$this->log("<fg=green>Notifying #{$client->resourceId} ({$client->Player->getUsername()})</>"); |
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$data->notification_count = $client->Player->countUnreadNotifications(); |
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$data->message_count = $client->Player->countUnreadMessages(); |
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$client->send(json_encode(array('event' => $data))); |
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} |
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/** |
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* Action to call when the server notifies us about something |
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* @param string $event JSON'ified string we'll receive from the webserver |
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*/ |
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public function onServerEvent($event) |
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{ |
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$event = $event->event; |
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switch ($event->type) { |
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case 'message': |
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$this->log("New message received", OutputInterface::VERBOSITY_VERY_VERBOSE); |
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$this->onMessageServerEvent($event); |
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break; |
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case 'notification': |
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$this->log("New notification received", OutputInterface::VERBOSITY_VERY_VERBOSE); |
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$this->onNotificationServerEvent($event); |
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break; |
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default: |
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$this->log("Generic message received", OutputInterface::VERBOSITY_VERY_VERBOSE); |
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foreach ($this->clients as $client) { |
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$this->send($client, $event); |
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} |
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} |
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} |
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/** |
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* Log a debugging message to the console |
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* |
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* @param string $message The message to log |
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* @param int $level The output verbosity level of the message |
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*/ |
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private function log($message, $level = OutputInterface::VERBOSITY_DEBUG) |
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{ |
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if (!$this->output) { |
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return; |
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} |
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if ($level <= $this->output->getVerbosity()) { |
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$this->output->writeln($message); |
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} |
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} |
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/** |
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* Send a ping message to all clients and kick those who didn't respond |
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*/ |
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public function ping() |
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{ |
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$this->log("Sending pings"); |
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foreach ($this->clients as $client) { |
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if (!$client->pong) { |
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$this->log("Dropping #{$client->resourceId}"); |
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$client->close(); |
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continue; |
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} |
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$this->log("Pinging #{$client->resourceId}"); |
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$client->send('ping'); |
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$client->pong = false; |
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} |
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} |
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} |
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allejo /
bzion
Loading history...
If you access a property on an interface, you most likely code against a concrete implementation of the interface.
Available Fixes
Adding an additional type check:
Changing the type hint: