阿里云实现amqp

在这里插入代码片<?php

namespace app\api\controller;

use library\Controller;

use Stomp\Client;

use Stomp\Exception\StompException;

use Stomp\Network\Observer\Exception\HeartbeatException;

use Stomp\Network\Observer\ServerAliveObserver;

use Stomp\StatefulStomp;

use Exception;

use think\Db;

use think\worker\Server;

class Subscribe extends Controller

{

//参数说明，请参见AMQP客户端接入说明文档。

public $accessKey = "";

public $accessSecret = "";

//消费组id 在对应实例的消息转发 > 服务端订阅 > 消费组列表查看您的消费组ID

public $consumerGroupId = "";

public $clientId = "";

//iotInstanceId：实例ID。

public $iotInstanceId = "";

public $timeStamp = '';

//签名方法：支持hmacmd5，hmacsha1和hmacsha256。

public $signMethod = "hmacsha1";

public function initialize()
{
    $this->accessKey = sysconf('storage_oss_keyid');
    $this->accessSecret = sysconf('storage_oss_secret');
    $this->timeStamp = round(microtime(true) * 1000);
    $this->iotInstanceId = sysconf('storage_aliyun_iotInstanceId');
    $this->consumerGroupId = sysconf('storage_aliyun_consumerGroupId');
    $this->clientId = $this->uuid();
    $this->hostUrl = ""; //按阿里云文档拼接url
}
public function sub()
{
    $client  = $this->createClient();
    try {
        $client->connect();
    } catch (StompException $e) {
        echo "failed to connect to server, msg:" . $e->getMessage(), PHP_EOL;
    }
    //无异常时继续执行。
    $stomp = new StatefulStomp($client);
    //查询设备，根据设备拼装topic
    $stomp->subscribe("/topic/#");
    echo "connect success";
    while (true) {
        try {
            // 检查连接状态
            if (!$client->isConnected()) {
                echo "connection not exists, will reconnect after 10s.", PHP_EOL;
                sleep(10);
                //需要重新创建连接，官方给出的$client->connect()会报错
                $client  = $this->createClient();
                $stomp = new StatefulStomp($client);
                $stomp->subscribe("/topic/#");
                echo "connect success", PHP_EOL;
            }
            //处理消息业务逻辑。会监听到所有的topic，根据topic来处理数据
            $msg = $stomp->read();
            $headers = $msg->getHeaders();
            $readBody = $msg->getBody();
            $this->doBusiness($headers,$readBody);

        } catch (HeartbeatException $e) {
            echo 'The server failed to send us heartbeats within the defined interval.', PHP_EOL;
            $stomp->getClient()->disconnect();
        } catch (Exception $e) {
            echo 'process message occurs error: ' . $e->getMessage(), PHP_EOL;
            $stomp->getClient()->disconnect();
        }
    }
}





private function createClient()
{
    $userName = $this->clientId . "|authMode=aksign"
        . ",signMethod=" . $this->signMethod
        . ",timestamp=" . $this->timeStamp
        . ",authId=" . $this->accessKey
        . ",iotInstanceId=" . $this->iotInstanceId
        . ",consumerGroupId=" . $this->consumerGroupId
        . "|";
    $signContent = "authId=" . $this->accessKey . "&timestamp=" . $this->timeStamp;
    //计算签名，password组装方法，请参见AMQP客户端接入说明文档。
    $password = base64_encode(hash_hmac("sha1", $signContent, $this->accessSecret, $raw_output = TRUE));
    //接入域名，url请参见AMQP客户端接入说明文档。
    $client = new Client('ssl://url:61614');
    $sslContext = ['ssl' => ['verify_peer' => true, 'verify_peer_name' => false],];
    $client->getConnection()->setContext($sslContext);

    //服务端心跳监听。
    $observer = new ServerAliveObserver();
    $client->getConnection()->getObservers()->addObserver($observer);
    //心跳设置，需要云端每30s发送一次心跳包。
    $client->setHeartbeat(0, 30000);
    $client->setLogin($userName, $password);
    return $client;
}

public function  uuid()
{
    $chars = md5(uniqid(mt_rand(), true));
    $uuid = substr ( $chars, 0, 8 ) . '-'
        . substr ( $chars, 8, 4 ) . '-'
        . substr ( $chars, 12, 4 ) . '-'
        . substr ( $chars, 16, 4 ) . '-'
        . substr ( $chars, 20, 12 );
    return $uuid ;
}

}