我尝试构建一个小的实时websocket用例,用户可以登录并查看登录的所有其他用户,在新用户登录或现有用户注销时收到通知。
对于这种情况,当用户登录或注销时,我在UserController中使用ZMQ PUSH Socket。
UserConstroller
public function login() {
//... here is the auth code, model call etc...
$aUserData = array();// user data comes from the database with username, logintime, etc....
$context = new \ZMQContext();
$oSocket = $context->getSocket(\ZMQ::SOCKET_PUSH, 'USER_LOGIN_PUSHER'); // use persistent_id
if($oSocket instanceof \ZMQSocket) {
$oSocket->connect("tcp://127.0.0.1:5555"); //
$oSocket->send(json_encode($aUserData));
}
}
public function logout() {
//... here is the logout code, model call etc ....
$aUserData = array();// user data comes from the SESSION with username, logintime, etc....
$context = new \ZMQContext();
$oSocket = $context->getSocket(\ZMQ::SOCKET_PUSH, 'USER_LOGOUT_PUSHER'); // use persistent_id
if($oSocket instanceof \ZMQSocket) {
$oSocket->connect("tcp://127.0.0.1:5555"); //
$oSocket->send(json_encode($aUserData));
}
}
然后我在Ratchet文档中找到了一个Pusher类:link
在本课程中,有两种方法: onUserLogin 和 onUserLogout ,当然还有所有其他方法
onSubscribe,onOpen,onPublish
UserInformationPusher
public function onUserLogin($aUserData) {
//var_dump("onUserLogin");
$sUserData = json_decode($aUserData, true);
$oTopic = $this->subscribedTopics["user_login"];
if($oTopic instanceof Topic) {
$oTopic->broadcast($sUserData);
} else {
return;
}
}
public function onUserLogout($aUserData) {
//var_dump("onUserLogout");
$entryData = json_decode($aUserData, true);
$oTopic = $this->subscribedTopics["user_logout"];
if($oTopic instanceof Topic) {
$oTopic->broadcast($entryData);
} else {
return;
}
}
最后一部分是WampServer / WsServer / HttpServer,它有一个Loop来监听传入的连接。还有我的ZMQ PULL插座
RatchetServerConsole
public function start_server() {
$oPusher = new UserInformationPusher();
$oLoop = \React\EventLoop\Factory::create();
$oZMQContext = new \React\ZMQ\Context($oLoop);
$oPullSocket = $oZMQContext->getSocket(\ZMQ::SOCKET_PULL);
$oPullSocket->bind('tcp://127.0.0.1:5555'); // Binding to 127.0.0.1 means the only client that can connect is itself
$oPullSocket->on('message', array($oPusher, 'onUserLogin'));
$oPullSocket->on('message', array($oPusher, 'onUserLogout'));
$oMemcache = new \Memcache();
$oMemcache->connect('127.0.0.1', 11211);
$oMemcacheHandler = new Handler\MemcacheSessionHandler($oMemcache);
$oSession = new SessionProvider(
new \Ratchet\Wamp\WampServer(
$oPusher
),
$oMemcacheHandler
);
//$this->Output->info("Server start initiation with memcache!...");
$webSock = new \React\Socket\Server($oLoop);
$webSock->listen(8080, '0.0.0.0'); // Binding to 0.0.0.0 means remotes can connect
$oServer = new \Ratchet\Server\IoServer(
new \Ratchet\Http\HttpServer(
new \Ratchet\WebSocket\WsServer(
$oSession
)
),
$webSock
);
$this->Output->info("Server started ");
$oLoop->run();
}
在此示例中,来自login()或logout()的调用将始终调用两个方法(onUserLogin和onUserLogout)。 我无法找到一些文档,它描述了我可以在 on($ event,callable $ listener)方法中使用哪些事件,是否有人拥有链接/知识库? 检查UserController中哪个方法被触发的最佳方法是什么?
不需要客户端代码,因为它可以正常工作
答案 0 :(得分:4)
在 RatchetServerConsole ,
中移除,
$oPullSocket->on('message', array($oPusher, 'onUserLogin'));
$oPullSocket->on('message', array($oPusher, 'onUserLogout'));
添加,
$oPullSocket->on('message', array($oPusher, 'onUserActionBroadcast'));
在 UserInformationPusher 中,
删除onUserLogin()和onUserLogout()。
添加,
public function onUserActionBroadcast($aUserData)
{
$entryData = json_decode($aUserData, true);
// If the lookup topic object isn't set there is no one to publish to
if (!array_key_exists($entryData['topic'], $this->subscribedTopics)) {
return;
}
$topic = $this->subscribedTopics[$entryData['topic']];
unset($entryData['topic']);
// re-send the data to all the clients subscribed to that category
$topic->broadcast($entryData);
}
您的 UserConstroller (在$ aUserData中添加主题),
public function login() {
//... here is the auth code, model call etc...
$aUserData = array();// user data comes from the database with username, logintime, etc....
$aUserData['topic'] = 'USER_LOGIN'; // add the topic name
$context = new \ZMQContext();
$oSocket = $context->getSocket(\ZMQ::SOCKET_PUSH, 'my pusher'); // use persistent_id
if($oSocket instanceof \ZMQSocket) {
$oSocket->connect("tcp://127.0.0.1:5555"); //
$oSocket->send(json_encode($aUserData));
}
}
public function logout() {
//... here is the logout code, model call etc ....
$aUserData = array();// user data comes from the SESSION with username, logintime, etc....
$aUserData['topic'] = 'USER_LOGOUT'; // add the topic name
$context = new \ZMQContext();
$oSocket = $context->getSocket(\ZMQ::SOCKET_PUSH, 'my pusher'); // use persistent_id
if($oSocket instanceof \ZMQSocket) {
$oSocket->connect("tcp://127.0.0.1:5555"); //
$oSocket->send(json_encode($aUserData));
}
}
最后在查看文件中
<script>
var conn = new ab.Session('ws://yourdomain.dev:9000', // Add the correct domain and port here
function() {
conn.subscribe('USER_LOGIN', function(topic, data) {
console.log(topic);
console.log(data);
});
conn.subscribe('USER_LOGOUT', function(topic, data) {
console.log(topic);
console.log(data);
});
},
function() {
console.warn('WebSocket connection closed');
},
{'skipSubprotocolCheck': true}
);
</script>
注意:基本思想是在推送器类中使用单个广播功能。
答案 1 :(得分:3)
经过一个月的密集处理,在websockets中使用PHP最佳实践后,我从我的方法改为PHP后端的Crossbar.io,voryx/Thruway和前端的Autobahn|JS。 所有这些组件都支持WAMP V2 Websocket Standard,并且能够满足我的要求。
如果有一些请求我可以将解决方案发布到我上面的问题,并使用上述组件。