mxmbsocket/lib/Ratchet/Application/WAMP/App.php
Chris Boden 9b14684cbe WAMP Event Action
Added the Event action in WAMP (like SendMessage)
Confirmed subscribe, unsubscribe, publish, event working in WAMP
2012-01-16 22:55:44 -05:00

98 lines
2.7 KiB
PHP

<?php
namespace Ratchet\Application\WAMP;
use Ratchet\Application\ApplicationInterface;
use Ratchet\Application\WebSocket\WebSocketAppInterface;
use Ratchet\Resource\Connection;
/**
* WebSocket Application Messaging Protocol
*
* +--------------+----+------------------+
* | Message Type | ID | DIRECTION |
* |--------------+----+------------------+
* | PREFIX | 1 | Bi-Directional |
* | CALL | 2 | Client-to-Server |
* | CALL RESULT | 3 | Server-to-Client |
* | CALL ERROR | 4 | Server-to-Client |
* | SUBSCRIBE | 5 | Client-to-Server |
* | UNSUBSCRIBE | 6 | Client-to-Server |
* | PUBLISH | 7 | Client-to-Server |
* | EVENT | 8 | Server-to-Client |
* +--------------+----+------------------+
* @link http://www.tavendo.de/autobahn/protocol.html
*/
class App implements WebSocketAppInterface {
protected $_app;
public function getSubProtocol() {
return 'wamp';
}
/**
* @todo WAMP spec does not say what to do when there is an error with PREFIX...
*/
public function addPrefix(Connection $conn, $uri, $curie) {
// validate uri
// validate curie
// make sure the curie is shorter than the uri
$conn->prefixes[$uri] = $curie;
}
public function onOpen(Connection $conn) {
$conn->WAMP = new \StdClass;
$conn->WAMP->prefixes = array();
$conn->WAMP->subscriptions = array();
return $this->_app->onOpen($conn);
}
/**
* @{inherit}
* @throws Exception
* @throws JSONException
*/
public function onMessage(Connection $from, $msg) {
if (null === ($json = @json_decode($msg, true))) {
throw new JSONException;
}
switch ($json[0]) {
case 1:
return $this->addPrefix($conn, $json[2], $json[1]);
break;
case 2:
return $this->_app->onCall($from, $json[1], $json[2]);
break;
case 5:
return $this->_app->onSubscribe($from, $json[1]);
break;
case 6:
return $this->_app->onUnSubscribe($from, $json[1]);
break;
case 7:
return $this->_app->onPublish($from, $json[1], $json[2]);
break;
default:
throw new Exception('Invalid message type');
}
}
public function __construct(ServerInterface $app) {
$this->_app = $app;
}
public function onClose(Connection $conn) {
return $this->_app->onClose($conn);
}
public function onError(Connection $conn, \Exception $e) {
return $this->_app->onError($conn, $e);
}
}