/**
* Process a message.
* If the two devices haven' been associated yet,
* this is where the association process takes place.
* Otherwise, the message is simply dispatched to the devices association,
* which in turns takes care of delivering the message to the device.
*/
protected function processMessage(ConnectionInterface $from, $message)
{
$messageData = json_decode($message, true);
// create the message object from the received data
$message = Message::fromRawData($messageData);
if ($message->getName() == MessageTypes::BEGIN_FACEBOOK_ASSOCIATION || $message->getName() == MessageTypes::BEGIN_CODE_ASSOCIATION) {
// If it is an association initialization,
// we temporarely register the incomplete association,
// waiting for the second device to associate.
$association = Association::createFromMessage($from, $message);
$identifier = $association->getFacebookId() ?: $association->getAssociationCode();
$this->ongoingAssociations[$identifier] = $association;
} elseif ($message->getName() == MessageTypes::ASSOCIATE_WITH_FACEBOOK || $message->getName() == MessageTypes::ASSOCIATE_WITH_CODE) {
// Now we have a request for association from the second device.
// We rely on the Association::completeWithMessage method to
// validate the association (with right code/facebook ID) and if so,
// the association is registered as complete and the two devices can now
// communicate.
$identifier = $message->get('facebook_id') ?: $message->get('code');
if (!array_key_exists($identifier, $this->ongoingAssociations)) {
$from->send(json_encode(array('direction' => MessageTypes::FROM_PLAYER_TO_DEVICE, 'name' => MessageTypes::ASSOCIATION_REFUSED)));
return;
}
$association = $this->ongoingAssociations[$identifier];
if ($association->completeWithMessage($from, $message)) {
$this->registerAssociation($association);
} else {
$from->send(json_encode(array('direction' => MessageTypes::FROM_PLAYER_TO_DEVICE, 'name' => MessageTypes::ASSOCIATION_REFUSED)));
}
} else {
// For all other messages, a token should be provided
// If so, we should have at this point a TokenizedMessage instance
// (provided by the Message::create factory method).
// Otherwise it means that no token has been provided, and we
// cannot do anything else without the token.
if (!$message instanceof TokenizedMessage) {
$from->send(json_encode(array('code' => 400, 'message' => 'No token information was provided.')));
return;
}
$this->completedAssociations[$message->getToken()]->dispatch($message);
}
}
