用PHP嘗試RabbitMQ(amqp擴充套件)實現訊息的傳送和接收
阿新 • • 發佈:2019-01-01
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:
執行生產者,發訊息:
消費者接收到訊息: