<?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);    
        }
    }

}

<?php
error_reporting(0);
include_once(‘RabbitMQCommand.php‘);

$configs = array(‘host‘=>‘192.168.0.156‘,‘port‘=>5672,‘username‘=>‘xp‘,‘password‘=>‘xp‘,‘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();
        $pid = posix_getpid();
        file_put_contents("/app/bossadmin/log{$pid}.log", $msg.‘|‘.$envelopeID.‘‘."\r\n",FILE_APPEND);
        $queue->ack($envelopeID);
    }
}
$a = new A();

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