1. 程式人生 > >用PHP嘗試RabbitMQ(amqp擴充套件)實現訊息的傳送和接收

用PHP嘗試RabbitMQ(amqp擴充套件)實現訊息的傳送和接收

j教程:

http://my.oschina.net/yuansir/blog/135226

消費者:接收訊息

邏輯:
建立連線-->建立channel-->建立交換機-->建立佇列-->繫結交換機/佇列/路由鍵-->接收訊息

<?php
/*************************************
* PHP amqp(RabbitMQ) Demo - consumer
* Author: Linvo
* Date: 2012/7/30
*************************************/
//配置資訊
$conn_args = array(
    'host' => '192.168.1.93',
    'port' => '5672',
    'login' => 'guest',
    'password' => 'guest',
    'vhost'=>'/'
);
$e_name = 'e_linvo'; //交換機名
$q_name = 'q_linvo'; //佇列名
$k_route = 'key_1'; //路由key

//建立連線和channel
$conn = new AMQPConnection($conn_args);
if (!$conn->connect()) {
    die("Cannot connect to the broker!\n");
}
$channel = new AMQPChannel($conn);

//建立交換機
$ex = new AMQPExchange($channel);
$ex->setName($e_name);
$ex->setType(AMQP_EX_TYPE_DIRECT); //direct型別
$ex->setFlags(AMQP_DURABLE); //持久化
echo "Exchange Status:".$ex->declare()."\n";

//建立佇列
$q = new AMQPQueue($channel);
$q->setName($q_name);
$q->setFlags(AMQP_DURABLE); //持久化
echo "Message Total:".$q->declare()."\n";

//繫結交換機與佇列,並指定路由鍵
echo 'Queue Bind: '.$q->bind($e_name, $k_route)."\n";

//阻塞模式接收訊息
echo "Message:\n";
while(True){
    $q->consume('processMessage');
    //$q->consume('processMessage', AMQP_AUTOACK); //自動ACK應答
}
$conn->disconnect();

/**
* 消費回撥函式
* 處理訊息
*/
function processMessage($envelope, $queue) {
    $msg = $envelope->getBody();
    echo $msg."\n"; //處理訊息
    $queue->ack($envelope->getDeliveryTag()); //手動傳送ACK應答
}

生產者:傳送訊息

邏輯:
建立連線-->建立channel-->建立交換機物件-->傳送訊息

<?php
/*************************************
* PHP amqp(RabbitMQ) Demo - publisher
* Author: Linvo
* Date: 2012/7/30
*************************************/
//配置資訊
$conn_args = array(
    'host' => '192.168.1.93',
    'port' => '5672',
    'login' => 'guest',
    'password' => 'guest',
    'vhost'=>'/'
);
$e_name = 'e_linvo'; //交換機名
//$q_name = 'q_linvo'; //無需佇列名
$k_route = 'key_1'; //路由key

//建立連線和channel
$conn = new AMQPConnection($conn_args);
if (!$conn->connect()) {
    die("Cannot connect to the broker!\n");
}
$channel = new AMQPChannel($conn);

//訊息內容
$message = "TEST MESSAGE! 測試訊息!";

//建立交換機物件
$ex = new AMQPExchange($channel);
$ex->setName($e_name);

//傳送訊息
//$channel->startTransaction(); //開始事務
for($i=0; $i<5; ++$i){
    echo "Send Message:".$ex->publish($message, $k_route)."\n";
}
//$channel->commitTransaction(); //提交事務

$conn->disconnect();

需要注意的地方是:

queue物件有兩個方法可用於取訊息:consume和get。
前者是阻塞的,無訊息時會被掛起,適合迴圈中使用;

後者則是非阻塞的,取訊息時有則取,無則返回false。

測試截圖

執行消費者:

1343873405_2469

執行生產者,發訊息:

1343873408_3083

消費者接收到訊息:

1343873412_6992