oliverlorenz/phpMqttClient

<?php
/**
 * @author Oliver Lorenz
 * @since 2015-05-05
 * Time: 19:03
 */

namespace oliverlorenz\reactphpmqtt\packet;

/**
 * The PINGREQ Packet is sent from a Client to the Server. It can be used to:
 *   1. Indicate to the Server that the Client is alive in the absence of
 *      any other Control Packets being sent from the Client to the Server.
 *   2. Request that the Server responds to confirm that it is alive.
 *   3. Exercise the network to indicate that the Network Connection is active.
 */
class PingRequest extends ControlPacket {

    public static function getControlPacketType()
    {
        return ControlPacketType::PINGREQ;
    }
}