<?php
/**
 * 消费生产者-消费任务
 * 工作模式
 */

require_once __DIR__ . '/vendor/autoload.php';
require_once __DIR__ . '/config.php';

use PhpAmqpLib\Connection\AMQPStreamConnection;
use PhpAmqpLib\Message\AMQPMessage;

$host = RABBITMQ_CONF['host'];
$port = RABBITMQ_CONF['port'];
$user = RABBITMQ_CONF['user'];
$password = RABBITMQ_CONF['password'];
$queue = 'task-queue';

// 连接RabbitMQ服务器
$connection = new AMQPStreamConnection($host, $port, $user, $password);
$channel = $connection->channel();

// 创建队列，并且开启持久化
$channel->queue_declare($queue, false, true, false, false);

echo " [*] Waiting for messages. To exit press CTRL+C\n";

// 定义回调函数
$callback = function ($msg) {
    echo ' [x] Received ', $msg->body, "\n";

    // 消息里面有几个.就sleep几秒
    sleep(substr_count($msg->body, '.'));
    echo " [x] Done\n";

    // 消息确认
    $msg->ack();
};

// 设置消费者允许的最大未确认消息数量为1
$channel->basic_qos(null, 1, null);

// 定义队列的消费回调，将消息传递给回调函数，并且关闭自动消息确认
$channel->basic_consume($queue, '', false, false, false, false, $callback);

// 循环消费/接收消息
while ($channel->is_open()) {
    $channel->wait();
}

// 关闭连接
$channel->close();
$connection->close();