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  • rabbitmq类

    1、accept.php消费者代码需要在命令行执行

    2、'username'=>'asdf','password'=>'123456' 改成自己的帐号和密码

    RabbitMQCommand.php操作类代码

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    <?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." "; //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

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    <?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();

    accept.php消费者代码

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    <?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.''." ",FILE_APPEND);
        $queue->ack($envelopeID);
      }
    }
    $a = new A();
    $s = $ra->run(array($a,'processMessage'),false);
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  • 原文地址:https://www.cnblogs.com/wzjwffg/p/11278045.html
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