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<?php |
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/** |
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* Nucleus - XMPP Library for PHP |
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* |
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* Copyright (C) 2016, Some rights reserved. |
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* |
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* @author Kacper "Kadet" Donat <[email protected]> |
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* |
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* Contact with author: |
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* Xmpp: [email protected] |
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* E-mail: [email protected] |
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* |
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* From Kadet with love. |
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*/ |
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namespace Kadet\Xmpp\Module; |
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use Kadet\Xmpp\Stanza\Stanza; |
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use Kadet\Xmpp\Xml\XmlElement; |
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use Kadet\Xmpp\XmppClient; |
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class PingKeepAlive extends ClientModule |
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{ |
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private $_interval = 15; |
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private $_timer; |
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/** |
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* PingKeepAlive constructor. |
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* |
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* @param float $interval Keep alive interval in seconds |
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*/ |
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public function __construct($interval = 15.) |
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{ |
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$this->_interval = $interval; |
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} |
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public function setClient(XmppClient $client) |
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{ |
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parent::setClient($client); |
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$this->_client->on('state', [$this, 'enable'], \Kadet\Xmpp\Utils\filter\equals('ready')); |
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} |
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/** |
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* Starts keep alive timer |
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*/ |
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public function enable() |
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{ |
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$this->_timer = $this->_client->connector->getLoop()->addPeriodicTimer($this->_interval, function() { |
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$this->keepAlive(); |
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}); |
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} |
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/** |
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* Stops keep alive timer |
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*/ |
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public function disable() |
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{ |
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$this->_client->connector->getLoop()->cancelTimer($this->_timer); |
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} |
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private function keepAlive() |
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{ |
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$ping = new Stanza('iq', ['type' => 'get', 'content' => [ |
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new XmlElement('ping', 'urn:xmpp:ping') |
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]]); |
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$this->_client->write($ping); |
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} |
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} |
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kadet1090 /
nucleus
This check looks for assignments to scalar types that may be of the wrong type.
To ensure the code behaves as expected, it may be a good idea to add an explicit type cast.