$msg = unwrap($msg); // remove chr(0) and chr(255)

say("< ".$msg);

$parts=explode("|",$msg); // CHAT|NICK|MESSAGE

$action=strtoupper($parts[0]);

switch($action){

case "HELO" : welcome($user,$parts[1],$parts[2]); break; // HELO|NICK|AVATAR

case "CHAT" : chat($user,$parts[2]); break; // CHAT|NICK|MESSAGE

case "PRIV" : break; // TODO: private chat

case "EXIT" : goodbye($user); break; // EXIT|NICK

default : console($action." not understood"); break;

}

$user->nick=$nick;

$user->pic =$pic;

$msg = getuserslist();

send($user,$msg);

broadcast("HELO|".$nick."|".$pic,$nick);

//say("> ".$msg);

$msg = wrap($msg);

socket_write($user->socket,$msg,strlen($msg)) or disconnect($user->socket);

global $users;

//say(">>".$msg);

$kill=array();

foreach($users as $user){

if($user->nick==$except){ continue; } /* exclude from broadcast */

$msg = wrap($msg);

socket_write($user->socket,$msg,strlen($msg)) or $kill[]=$user->socket;

}

if(count($kill)>0){

foreach($kill as $socket){ disconnect($socket); }

}

$address = 'localhost';

$port = 12345;

$maxconn = 999;

$master = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("socket_create() failed");

socket_set_option($master, SOL_SOCKET, SO_REUSEADDR, 1) or die("socket_option() failed");

socket_bind($master, $address, $port) or die("socket_bind() failed");

socket_listen($master,20) or die("socket_listen() failed");

echo "---------------\n";

echo "Server Started : ".date('Y-m-d H:i:s')."\n";

echo "Max connections: ".$maxconn."\n";

echo "Master socket : ".$master."\n";

echo "Listening on : ".$address." port ".$port."\n";

echo "---------------\n";

return $master;

console("\nRequesting handshake...");

console($stream);

/*

GET {resource} HTTP/1.1

Upgrade: WebSocket

Connection: Upgrade

Host: {host}

Origin: {origin}

\r\n

*/

list($resource,$host,$origin) = getheaders($stream);

//$resource = "/phpwebsocketchat/server.php";

//$host = "localhost:12345";

//$origin = "http://localhost";

console("Handshaking...");

$upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .

"Upgrade: WebSocket\r\n" .

"Connection: Upgrade\r\n" .

"WebSocket-Origin: " . $origin . "\r\n" .

"WebSocket-Location: ws://" . $host . $resource . "\r\n" .

"\r\n";

socket_write($user->socket,$upgrade.chr(0),strlen($upgrade.chr(0)));

$user->handshake=true;

console($upgrade);

console("Done handshaking...");

return true;

$req = substr($req,4); /* RegEx kill babies */

$res = substr($req,0,strpos($req," HTTP"));

$req = substr($req,strpos($req,"Host:")+6);

$host = substr($req,0,strpos($req,"\r\n"));

$req = substr($req,strpos($req,"Origin:")+8);

$ori = substr($req,0,strpos($req,"\r\n"));

return array($res,$host,$ori);

global $sockets,$users;

$user = new User();

$user->id = uniqid();

$user->socket = $socket;

array_push($users,$user);

array_push($sockets,$socket);

console($socket." CONNECTED!");

global $sockets,$users;

$found=null;

$n=count($users);

for($i=0;$i<$n;$i++){

if($users[$i]->socket==$socket){ $found=$i; break; }

}

if(!is_null($found)){

$nick=$users[$found]->nick;

$users[$found]=null;

array_splice($users,$found,1);

broadcast("EXIT|".$nick,$nick);

}

$index = array_search($socket,$sockets);

socket_close($socket);

console($socket." DISCONNECTED!");

if($index>=0){ array_splice($sockets,$index,1); }

var $id;

var $nick;

var $pic;

var $socket;

var $handshake;

global $users;

$lst="LIST";

foreach($users as $user){ $lst.='|'.$user->nick.':'.$user->pic; }

return $lst;

global $users;

$found=null;

foreach($users as $user){

if($user->socket==$socket){ $found=$user; break; }

}

return $found;