CODEWITHSUNDEEP
phpwebsocketphpwebsocket
user2260521
user2260521

Reputation: 65

PHP websocket disconnects automatically

I am using websocket functionality for my project for messaging purpose. I am using PHP websocket which I have downloaded from following link https://github.com/Flynsarmy/PHPWebSocket-Chat . But my problem is my web socket automatically gets disconnected for some time and it again reconnects automatically. Because of this my messages are getting lost. So can anybody tell me how I can resolve this issue. Is there any modification in code that I can do so that I can overcome this problem. Thank you.

Following is my server.php file

    <?php
// prevent the server from timing out
set_time_limit(0);

// include the web sockets server script (the server is started at the far bottom of this file)
require 'class.PHPWebSocket.php';

// when a client sends data to the server
function wsOnMessage($clientID, $message, $messageLength, $binary) {
global $Server;
$ip = long2ip( $Server->wsClients[$clientID][6] );

// check if message length is 0
if ($messageLength == 0) {
$Server->wsClose($clientID);
return;
}

//The speaker is the only person in the room. Don't let them feel lonely.
if ( sizeof($Server->wsClients) == 1 )
$Server->wsSend($clientID, "There isn't anyone else in the room, but I'll still listen to you. --Your Trusty Server");
else
//Send the message to everyone but the person who said it
foreach ( $Server->wsClients as $id => $client )
if ( $id != $clientID )
$Server->wsSend($id, "Visitor $clientID ($ip) said \"$message\"");
}

// when a client connects
function wsOnOpen($clientID)
{
global $Server;
$ip = long2ip( $Server->wsClients[$clientID][6] );

$Server->log( "$ip ($clientID) has connected." );

//Send a join notice to everyone but the person who joined
foreach ( $Server->wsClients as $id => $client )
if ( $id != $clientID )
$Server->wsSend($id, "Visitor $clientID ($ip) has joined the room.");
}

// when a client closes or lost connection
function wsOnClose($clientID, $status) {
global $Server;
$ip = long2ip( $Server->wsClients[$clientID][6] );

$Server->log( "$ip ($clientID) has disconnected." );

//Send a user left notice to everyone in the room
foreach ( $Server->wsClients as $id => $client )
$Server->wsSend($id, "Visitor $clientID ($ip) has left the room.");
}

// start the server
$Server = new PHPWebSocket();
$Server->bind('message', 'wsOnMessage');
$Server->bind('open', 'wsOnOpen');
$Server->bind('close', 'wsOnClose');
// for other computers to connect, you will probably need to change this to your LAN IP or external IP,
// alternatively use: gethostbyaddr(gethostbyname($_SERVER['SERVER_NAME']))
$Server->wsStartServer('127.0.0.1', 9300);

?>

And javascript code is

    var FancyWebSocket = function(url)
{
var callbacks = {};
var ws_url = url;
var conn;

this.bind = function(event_name, callback){
callbacks[event_name] = callbacks[event_name] || [];
callbacks[event_name].push(callback);
return this;// chainable
};

this.send = function(event_name, event_data){
this.conn.send( event_data );
return this;
};

this.connect = function() {
if ( typeof(MozWebSocket) == 'function' )
this.conn = new MozWebSocket(url);
else
this.conn = new WebSocket(url);

// dispatch to the right handlers
this.conn.onmessage = function(evt){
dispatch('message', evt.data);
};

this.conn.onclose = function(){dispatch('close',null)}
this.conn.onopen = function(){dispatch('open',null)}
};

this.disconnect = function() {
this.conn.close();
};

var dispatch = function(event_name, message){
var chain = callbacks[event_name];
if(typeof chain == 'undefined') return; // no callbacks for this event
for(var i = 0; i < chain.length; i++){
chain[i]( message )
}
}
};

Upvotes: 2

Views: 3183

Answers (1)

JSON
JSON

Reputation: 1835

my guess is that the socket class is not handling pings/pongs correctly. I've used that socket script before and recall having the same issue.

Try https://github.com/lemmingzshadow/php-websocket and see if it's a better starting point. It's more complicated if your just trying to figure out websocket service programming in PHP, but it's a better place to start either way.

Upvotes: 2

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