/**
* When creating a DDPClient instance, a Websocket connection will be
* automatically created. A meteor server should be running at $host:$port
* @param string $host
* @param int|null $port
* @throws \Exception
*/
public function __construct($host, $port = 3000)
{
$errno = 0;
$errstr = 'Error connecting to Meteor server';
if (!($this->sock = fsockopen($host, $port, $errno, $errstr, 10))) {
throw new \Exception('Error connecting to Meteor server');
}
$this->sender = new DDPSender($this->sock);
$this->results = new \Threaded();
$this->mongoAdapter = new MongoAdapter();
$handShakeMsg = WebSocketClient::handshakeMessage($host . ':' . $port);
$this->listener = new DDPListener($this, $this->sender, $this->sock);
if (fwrite($this->sock, $handShakeMsg) === false) {
throw new \Exception('error:' . $errno . ':' . $errstr);
}
$this->listener->start();
$this->currentId = 0;
$this->methodMap = array();
$this->asyncCallPool = new ThreadPool();
}
Utils::hex_dump(WebSocketClient::draft10Encode('Hello', 'text', true));
echo '<h2>Masked frame with known key</h2>';
/**
* @param $hexKey
* @param $maskKey
* @return mixed
*/
function convertHexToMaskKey($hexKey)
{
echo 'Mask key : ';
$maskKey = array();
for ($i = 0; $i < 4; $i++) {
$maskKey[$i] = chr(hexdec($hexKey[$i]));
echo $hexKey[$i] . ' ';
}
return $maskKey;
}
$maskKey = convertHexToMaskKey(array('37', 'fa', '21', '3d'));
echo '<br/>';
Utils::hex_dump(WebSocketClient::draft10Encode('Hello', 'text', true, $maskKey));
echo '<br/>Expected : <br/>';
echo '     81 85 37 fa 21 3d 7f 9f 4d 51 58';
echo '<h2>DDP Connection</h2>';
$maskKey = convertHexToMaskKey(array('6b', '5c', '75', '7f'));
echo '<br/>';
Utils::hex_dump(WebSocketClient::draft10Encode('{"msg" : "connect", "version" : "1", "support" : ["1"]}', 'text', true, $maskKey), '<br/>');
echo '<br/>Expected : <br/>';
echo '0000 10 7e 18 0c 0c 7e 55 45 4b 7e 16 10 05 32 10 1c .~...~UEK~...2..<br/>
0010 1f 7e 59 5f 49 2a 10 0d 18 35 1a 11 49 7c 4f 5f .~Y_I*...5..I|O_<br/>
0020 49 6d 57 53 4b 7e 06 0a 1b 2c 1a 0d 1f 7e 55 45 ImWSK~...,...~UE<br/>
0030 4b 07 57 4e 49 01 08 K.WNI..<br/>';