基于 Redis 的订阅与发布

Github 仓库

demo-redis-subscribe

创建项目

$ composer create hyperf/biz-skeleton demo-redis-subscribe dev-master
Installing hyperf/biz-skeleton (dev-master 1eaa35a957cf704a5c9959c68e426a614c7598a2)
  - Installing hyperf/biz-skeleton (dev-master 1eaa35a): Cloning 1eaa35a957 from cache
Created project in demo-redis-subscribe
> @php -r "file_exists('.env') || copy('.env.example', '.env');"
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 133 installs, 0 updates, 0 removals
  - Installing ocramius/package-versions (1.4.0): Loading from cache
  - Installing hyperf/contract (dev-master 1624d1c): Cloning 1624d1ce0e from cache
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  - Installing hyperf/utils (dev-master c847116): Cloning c847116cf9 from cache
  - Installing psr/container (1.0.0): Loading from cache
  - Installing hyperf/pool (dev-master 5a67570): Cloning 5a67570f71 from cache
  - Installing psr/event-dispatcher (1.0.0): Loading from cache
  - Installing hyperf/process (dev-master 75f4fbf): Cloning 75f4fbfa56 from cache
  - Installing doctrine/instantiator (1.2.0): Loading from cache
  - Installing psr/log (1.1.0): Loading from cache
  - Installing php-amqplib/php-amqplib (v2.10.0): Loading from cache
  - Installing hyperf/amqp (dev-master 1cff378): Cloning 1cff378bc4 from cache
  - Installing symfony/service-contracts (v1.1.6): Loading from cache
  - Installing symfony/polyfill-php73 (v1.12.0): Loading from cache
  - Installing symfony/polyfill-mbstring (v1.12.0): Loading from cache
  - Installing symfony/console (v4.3.4): Loading from cache
  - Installing hyperf/command (dev-master e4caea4): Cloning e4caea4c70 from cache
  - Installing hyperf/async-queue (dev-master 8d28229): Cloning 8d282297cd from cache
  - Installing psr/simple-cache (1.0.1): Loading from cache
  - Installing hyperf/cache (dev-master 60997fb): Cloning 60997fb05c from cache
  - Installing hyperf/circuit-breaker (dev-master e41726f): Cloning e41726fd25 from cache
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  - Installing phpoption/phpoption (1.5.0): Loading from cache
  - Installing vlucas/phpdotenv (v3.6.0): Loading from cache
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  - Installing hyperf/guzzle (dev-master 90ad6e4): Cloning 90ad6e497b from cache
  - Installing react/promise (v2.7.1): Loading from cache
  - Installing guzzlehttp/streams (3.0.0): Loading from cache
  - Installing guzzlehttp/ringphp (1.1.1): Loading from cache
  - Installing elasticsearch/elasticsearch (v6.7.2): Loading from cache
  - Installing hyperf/elasticsearch (dev-master c936fc0): Cloning c936fc0f24 from cache
  - Installing monolog/monolog (1.25.1): Loading from cache
  - Installing hyperf/logger (dev-master 937101c): Cloning 937101c682 from cache
  - Installing hyperf/memory (dev-master 17003ec): Cloning 17003ec1e9 from cache
  - Installing hyperf/paginator (dev-master 4ffeb0e): Cloning 4ffeb0e46c from cache
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  - Installing hyperf/redis (dev-master 6043083): Cloning 6043083650 from cache
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hyperf/utils suggests installing symfony/var-dumper (Required to use the dd function (^4.1).)
hyperf/utils suggests installing symfony/serializer (Required to use SymfonyNormalizer (^4.3))
hyperf/utils suggests installing symfony/property-access (Required to use SymfonyNormalizer (^4.3))
symfony/console suggests installing symfony/lock
guzzlehttp/psr7 suggests installing zendframework/zend-httphandlerrunner (Emit PSR-7 responses)
monolog/monolog suggests installing graylog2/gelf-php (Allow sending log messages to a GrayLog2 server)
monolog/monolog suggests installing sentry/sentry (Allow sending log messages to a Sentry server)
monolog/monolog suggests installing doctrine/couchdb (Allow sending log messages to a CouchDB server)
monolog/monolog suggests installing ruflin/elastica (Allow sending log messages to an Elastic Search server)
monolog/monolog suggests installing ext-amqp (Allow sending log messages to an AMQP server (1.0+ required))
monolog/monolog suggests installing ext-mongo (Allow sending log messages to a MongoDB server)
monolog/monolog suggests installing mongodb/mongodb (Allow sending log messages to a MongoDB server via PHP Driver)
monolog/monolog suggests installing aws/aws-sdk-php (Allow sending log messages to AWS services like DynamoDB)
monolog/monolog suggests installing rollbar/rollbar (Allow sending log messages to Rollbar)
monolog/monolog suggests installing php-console/php-console (Allow sending log messages to Google Chrome)
symfony/translation suggests installing symfony/yaml
hyperf/database suggests installing doctrine/dbal (Required to rename columns (^2.6).)
zendframework/zend-mime suggests installing zendframework/zend-mail (Zend\Mail component)
sebastian/global-state suggests installing ext-uopz (*)
phpunit/php-code-coverage suggests installing ext-xdebug (^2.6.0)
phpunit/phpunit suggests installing phpunit/php-invoker (^2.0)
phpunit/phpunit suggests installing ext-xdebug (*)
symfony/config suggests installing symfony/yaml (To use the yaml reference dumper)
symfony/dependency-injection suggests installing symfony/yaml
symfony/dependency-injection suggests installing symfony/expression-language (For using expressions in service container configuration)
symfony/dependency-injection suggests installing symfony/proxy-manager-bridge (Generate service proxies to lazy load them)
paragonie/random_compat suggests installing ext-libsodium (Provides a modern crypto API that can be used to generate random bytes.)
symfony/event-dispatcher suggests installing symfony/http-kernel
friendsofphp/php-cs-fixer suggests installing php-cs-fixer/phpunit-constraint-isidenticalstring (For IsIdenticalString constraint.)
friendsofphp/php-cs-fixer suggests installing php-cs-fixer/phpunit-constraint-xmlmatchesxsd (For XmlMatchesXsd constraint.)
doctrine/cache suggests installing alcaeus/mongo-php-adapter (Required to use legacy MongoDB driver)
nette/bootstrap suggests installing tracy/tracy (to use Configurator::enableTracy())
Writing lock file
Generating autoload files
ocramius/package-versions:  Generating version class...
ocramius/package-versions: ...done generating version class
Do you want to remove the existing VCS (.git, .svn..) history? [Y,n]? Y

　　

定义队列

我们希望可以监听多个队列，所以便把队列名字额外定义出来。

<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://doc.hyperf.io
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf-cloud/hyperf/blob/master/LICENSE
 */

namespace App\Constants;

class Channel
{
    const QUEUE = 'channel.queue';

    const TEST = 'channel.test';

    public static function getArray()
    {
        return [
            self::QUEUE,
            self::TEST,
        ];
    }
}

　　

创建用于订阅的 Redis 实例

 

更新配置

autoload/redis.php 中新增 subscriber 相关配置

<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://doc.hyperf.io
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf-cloud/hyperf/blob/master/LICENSE
 */

return [
    'default' => [
        'host' => env('REDIS_HOST', 'localhost'),
        'auth' => env('REDIS_AUTH', null),
        'port' => (int) env('REDIS_PORT', 6379),
        'db' => (int) env('REDIS_DB', 0),
        'pool' => [
            'min_connections' => 1,
            'max_connections' => 10,
            'connect_timeout' => 10.0,
            'wait_timeout' => 3.0,
            'heartbeat' => -1,
            'max_idle_time' => (float) env('REDIS_MAX_IDLE_TIME', 60),
        ],
    ],
    'subscriber' => [
        'host' => env('REDIS_HOST', 'localhost'),
        'auth' => env('REDIS_AUTH', null),
        'port' => (int) env('REDIS_PORT', 6379),
        'db' => (int) env('REDIS_DB', 0),
        'options' => [
            \Redis::OPT_READ_TIMEOUT => '-1',
        ],
        'pool' => [
            'min_connections' => 1,
            'max_connections' => 10,
            'connect_timeout' => 10.0,
            'wait_timeout' => 3.0,
            'heartbeat' => -1,
            'max_idle_time' => (float) env('REDIS_MAX_IDLE_TIME', 60),
        ],
    ],
];

　　

增加 Subscriber 客户端

<?php
<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://doc.hyperf.io
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf-cloud/hyperf/blob/master/LICENSE
 */

namespace App\Process;

use App\Constants\Channel;
use App\Kernel\Subscriber;
use Hyperf\Process\AbstractProcess;
use Hyperf\Process\Annotation\Process;

/**
 * @Process(name="RedisConsumerProcess")
 */
class RedisConsumerProcess extends AbstractProcess
{
    public function handle(): void
    {
        $redis = di()->get(Subscriber::class);

        $redis->subscribe(Channel::getArray(), function ($instance, $channelName, $message) {
            var_dump($instance);
            var_dump($channelName);
            var_dump($message);

            // TODO: 执行对应的消费操作
        });
    }
}

　　

测试代码

修改 IndexController 如下

<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://doc.hyperf.io
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf-cloud/hyperf/blob/master/LICENSE
 */

namespace App\Controller;

use App\Constants\Channel;

class IndexController extends Controller
{
    public function index()
    {
        $user = $this->request->input('user', 'Hyperf');
        $method = $this->request->getMethod();

        $redis = di()->get(\Redis::class);

        $redis->publish(Channel::TEST, $user);

        return $this->response->success([
            'user' => $user,
            'method' => $method,
            'message' => 'Hello Hyperf.',
        ]);
    }
}

　　

启动 Server，测试结果

$ curl http://127.0.0.1:9501/
{"code":0,"data":{"user":"Hyperf","method":"GET","message":"Hello Hyperf."}}

　　

终端显示如下
object(Redis)#47173 (0) {
}
string(12) "channel.test"
string(6) "Hyperf"

　　

未完待续

...

 

更多学习内容请访问：

腾讯T3-T4标准精品PHP架构师教程目录大全，只要你看完保证薪资上升一个台阶（持续更新）

 

posted @ 2020-04-20 20:05  八重樱  阅读(658)  评论(0)  编辑  收藏  举报