Real-time message push based on RPC service based on ThinkPHP6 and Swoole

Real-time message push based on RPC service of ThinkPHP6 and Swoole

In recent years, with the rapid development of the Internet, real-time communication has become an important requirement for the development of many applications . Real-time message push is one of the most common and popular methods. This article will introduce how to use ThinkPHP6 and Swoole to implement a real-time message push service based on RPC (remote procedure call), and provide specific code examples.

1. Preparation
   Before we start, we need to make sure you have installed the following software:

• PHP 7.2 or above
• Composer (for installing dependencies to create and manage projects)
• Swoole (a high-performance asynchronous concurrency framework based on PHP)
• Redis (an open source in-memory data store)
• Redis extension (used to communicate with the Redis server)
• ThinkPHP6 (an elegant and efficient PHP development framework)

2. Create the project
   First, Open the command line interface and enter your working directory, then execute the following command to create a new ThinkPHP6 project:

composer create-project topthink/think tp6

3. Install Swoole
   Execute the following command in the project root directory To install Swoole:

composer require swoole/swoole

4. Install Redis extension
   Use the following command to install the Redis extension:

pecl install redis

Then add the following lines to your php. ini file:

extension=redis.so

5. Configuring the RPC service
   In theconfigdirectory under the root directory of the ThinkPHP6 project, create a new filerpc.php, and add the following code in it:

 [ // 服务监听的IP地址 'host' => '127.0.0.1', // 服务监听的端口号 'port' => 9501, // 异步任务的工作进程数量 'task_worker_num' => 4 ] ];

6. Writing RPC service code
   In theappdirectory of the ThinkPHP6 project root directory, create a file namedpush's new controller is used to handle the relevant logic of real-time message push. In this controller, we will use Swoole to create an RPC service and listen on the specified port.

Add the following method in thepushcontroller:

set(array('task_worker_num' => config('rpc.server.task_worker_num'))); // 监听连接事件 $server->on('connect', function ($server, $fd) { echo "客户端 " . $fd . " 已连接 "; }); // 监听数据接收事件 $server->on('receive', function ($server, $fd, $from_id, $data) { // 处理接收到的数据 $message = json_decode($data, true); // TODO: 消息推送逻辑 // 发送响应数据 $server->send($fd, '消息已成功接收'); }); // 监听关闭事件 $server->on('close', function ($server, $fd) { echo "客户端 " . $fd . " 已断开连接 "; }); // 启动RPC服务 $server->start(); } }

7. Start RPC service
   Execute the following command in the command line to start RPC Service:

php think push/rpcServer

8. Client implementation
   In the client code, we can use any tool that supports RPC to communicate with our service. The following is a simple sample code for sending a message to an RPC server:

connect('127.0.0.1', 9501)) { // 发送消息 $client->send(json_encode($message)); // 接收响应 echo $client->recv(); // 关闭连接 $client->close(); } else { echo "无法连接到RPC服务 "; } } // 调用sendMessage方法发送消息 sendMessage(['content' => 'Hello']);

9. Conclusion
   By using ThinkPHP6 and Swoole, we can easily create an RPC-based Real-time message push service. This article provides a simple example, but you can extend and customize it to meet your own needs to meet more complex real-time communication needs. Hope this article is helpful to you!

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