<?php

/*

 * amqp协议操作类，可以访问rabbitMQ

 * 需先安装php_amqp扩展

 */

class RabbitMQCommand{

    public $configs = array();

    //交换机名称

    public $exchange_name = '';

    //队列名称

    public $queue_name = '';

    //路由名称

    public $route_key = '';

    /*

     * 持久化，默认True

     */

    public $durable = True;

    /*

     * 自动删除

     * exchange is deleted when all queues have finished using it

     * queue is deleted when last consumer unsubscribes

     *

     */

    public $autodelete = False;

    /*

     * 镜像

     * 镜像队列，打开后消息会在节点之间复制，有master和slave的概念

     */

    public $mirror = False;

    private $_conn = Null;

    private $_exchange = Null;

    private $_channel = Null;

    private $_queue = Null;

    /*

     * @configs array('host'=>$host,'port'=>5672,'username'=>$username,'password'=>$password,'vhost'=>'/')

     */

    public function __construct($configs = array(), $exchange_name = '', $queue_name = '', $route_key = '') {

        $this->setConfigs($configs);

        $this->exchange_name = $exchange_name;

        $this->queue_name = $queue_name;

        $this->route_key = $route_key;

    }

    private function setConfigs($configs) {

        if (!is_array($configs)) {

            throw new Exception('configs is not array');

        }

        if (!($configs['host'] && $configs['port'] && $configs['username'] && $configs['password'])) {

            throw new Exception('configs is empty');

        }

        if (empty($configs['vhost'])) {

            $configs['vhost'] = '/';

        }

        $configs['login'] = $configs['username'];

        unset($configs['username']);

        $this->configs = $configs;

    }

    /*

     * 设置是否持久化，默认为True

     */

    public function setDurable($durable) {

        $this->durable = $durable;

    }

    /*

     * 设置是否自动删除

     */

    public function setAutoDelete($autodelete) {

        $this->autodelete = $autodelete;

    }

    /*

     * 设置是否镜像

     */

    public function setMirror($mirror) {

        $this->mirror = $mirror;

    }

    /*

     * 打开amqp连接

     */

    private function open() {

        if (!$this->_conn) {

            try {

                $this->_conn = new AMQPConnection($this->configs);

                $this->_conn->connect();

                $this->initConnection();

            } catch (AMQPConnectionException $ex) {

                throw new Exception('cannot connection rabbitmq',500);

            }

        }

    }

    /*

     * rabbitmq连接不变

     * 重置交换机，队列，路由等配置

     */

    public function reset($exchange_name, $queue_name, $route_key) {

        $this->exchange_name = $exchange_name;

        $this->queue_name = $queue_name;

        $this->route_key = $route_key;

        $this->initConnection();

    }

    /*

     * 初始化rabbit连接的相关配置

     */

    private function initConnection() {

        if (empty($this->exchange_name) || empty($this->queue_name) || empty($this->route_key)) {

            throw new Exception('rabbitmq exchange_name or queue_name or route_key is empty',500);

        }

        $this->_channel = new AMQPChannel($this->_conn);

        $this->_exchange = new AMQPExchange($this->_channel);

        $this->_exchange->setName($this->exchange_name);

        $this->_exchange->setType(AMQP_EX_TYPE_DIRECT);

        if ($this->durable)

            $this->_exchange->setFlags(AMQP_DURABLE);

        if ($this->autodelete)

            $this->_exchange->setFlags(AMQP_AUTODELETE);

        $this->_exchange->declare();

        $this->_queue = new AMQPQueue($this->_channel);

        $this->_queue->setName($this->queue_name);

        if ($this->durable)

            $this->_queue->setFlags(AMQP_DURABLE);

        if ($this->autodelete)

            $this->_queue->setFlags(AMQP_AUTODELETE);

        if ($this->mirror)

            $this->_queue->setArgument('x-ha-policy', 'all');

        $this->_queue->declare();

        $this->_queue->bind($this->exchange_name, $this->route_key);

    }

    public function close() {

        if ($this->_conn) {

            $this->_conn->disconnect();

        }

    }

    public function __sleep() {

        $this->close();

        return array_keys(get_object_vars($this));

    }

    public function __destruct() {

        $this->close();

    }

    /*

     * 生产者发送消息

     */

    public function send($msg) {

        $this->open();

        if(is_array($msg)){

            $msg = json_encode($msg);

        }else{

            $msg = trim(strval($msg));

        }

        return $this->_exchange->publish($msg, $this->route_key);

    }

    /*

     * 消费者

     * $fun_name = array($classobj,$function) or function name string

     * $autoack 是否自动应答

     *

     * function processMessage($envelope, $queue) {

            $msg = $envelope->getBody();

            echo $msg."\n"; //处理消息

            $queue->ack($envelope->getDeliveryTag());//手动应答

        }

     */

    public function run($fun_name, $autoack = True){

        $this->open();

        if (!$fun_name || !$this->_queue) return False;

        while(True){

            if ($autoack) $this->_queue->consume($fun_name, AMQP_AUTOACK);

            else $this->_queue->consume($fun_name);

        }

    }

}

send.php生产者代码

<?php
set_time_limit(0);
include_once('RabbitMQCommand.php');

$configs = array('host'=>'127.0.0.1','port'=>5672,'username'=>'asdf','password'=>'123456','vhost'=>'/');
$exchange_name = 'class-e-1';
$queue_name = 'class-q-1';
$route_key = 'class-r-1';
$ra = new RabbitMQCommand($configs,$exchange_name,$queue_name,$route_key);
for($i=0;$i<=100;$i++){
$ra->send(date('Y-m-d H:i:s',time()));
}
exit();

<?php

error_reporting(0);

include_once('RabbitMQCommand.php');

$configs = array('host'=>'127.0.0.1','port'=>5672,'username'=>'asdf','password'=>'123456','vhost'=>'/');

$exchange_name = 'class-e-1';

$queue_name = 'class-q-1';

$route_key = 'class-r-1';

$ra = new RabbitMQCommand($configs,$exchange_name,$queue_name,$route_key);

class A{

    function processMessage($envelope, $queue) {

        $msg = $envelope->getBody();

        $envelopeID = $envelope->getDeliveryTag();

        $pid = posix_getpid();

        file_put_contents("log{$pid}.log", $msg.'|'.$envelopeID.''."\r\n",FILE_APPEND);

        $queue->ack($envelopeID);

    }

}

$a = new A();

$s = $ra->run(array($a,'processMessage'),false);