<?php
/*************************************
 * PHP amqp(RabbitMQ) Demo - consumer
 * Author: Linvo
 * Date: 2012/7/30
 *************************************/
//配置信息  
$conn_args = array(
    'host' => '127.0.0.1',
    'port' => '5672',
    'login' => 'guest',
    'password' => 'guest',
    'vhost'=>'/'
);
$e_name = 'e_linvo'; //交换机名  
$q_name = 'q_linvo'; //队列名  
$k_route = 'key_1'; //路由key  

//创建连接和channel  
$conn = new AMQPConnection($conn_args);
if (!$conn->connect()) {
    die("Cannot connect to the broker!\n");
}
$channel = new AMQPChannel($conn);

//创建交换机     
$ex = new AMQPExchange($channel);
$ex->setName($e_name);
$ex->setType(AMQP_EX_TYPE_DIRECT); //direct类型   
$ex->setFlags(AMQP_DURABLE); //持久化  
echo "Exchange Status:".$ex->declareExchange()."\n";

//创建队列     
$q = new AMQPQueue($channel);
$q->setName($q_name);
$q->setFlags(AMQP_DURABLE); //持久化   
echo "Message Total:".$q->declareQueue()."\n";

//绑定交换机与队列，并指定路由键  
echo 'Queue Bind: '.$q->bind($e_name, $k_route)."\n";

//阻塞模式接收消息  
echo "Message:\n";
while(True){
    $q->consume('processMessage');
    //$q->consume('processMessage', AMQP_AUTOACK); //自动ACK应答   
}
$conn->disconnect();

/**
 * 消费回调函数
 * 处理消息
 */
function processMessage($envelope, $queue) {
    $msg = $envelope->getBody();
    echo $msg."\n"; //处理消息  
    $queue->ack($envelope->getDeliveryTag()); //手动发送ACK应答  
}