Implementing a high-performance online reservation system using Workerman

Use Workerman to implement a high-performance online reservation system

Introduction:
With the development and popularization of the Internet, more and more companies have begun to expand their business to the online booking system. Traditional reservation systems often face problems such as low performance and insufficient concurrency capabilities. Using Workerman, you can easily implement a high-performance online reservation system.

1. Introduction to Workerman
   Workerman is a high-performance asynchronous event-driven framework developed based on PHP. Compared with traditional PHP applications, Workerman has faster performance and better concurrency capabilities. Workerman adopts a non-blocking IO model and can handle tens of thousands of concurrent connections.
2. System Architecture Design
   When designing the online booking system, we need to consider the following key components: user management module, order management module, payment module and notification module. The user management module is used to manage user information, including user registration, login and other functions; the order management module is used to manage users' order information; the payment module is responsible for processing users' payment requests; and the notification module is used to send notifications of order status changes to users.
3. Function Implementation
   First, we need to create an entry file based on Workerman to start the service.

<?php
require_once __DIR__ . '/vendor/autoload.php';
use WorkermanWorker;

// 创建一个Worker监听9000端口
$worker = new Worker('tcp://0.0.0.0:9000');

// 设置启动线程数
$worker->count = 4;

// 接收到客户端消息时的回调函数
$worker->onMessage = function($connection, $data) {
    // 根据请求处理业务逻辑
    
    // 返回响应给客户端
    $connection->send('Hello, World!');
};

// 启动Worker
Worker::runAll();

Next, we can implement specific business logic in the callback function, such as the registration function of the user management module.

// 接收到客户端消息时的回调函数
$worker->onMessage = function($connection, $data) {
    // 解析用户信息
    $user = json_decode($data, true);
    
    // 将用户信息保存到数据库
    $sql = "INSERT INTO users (username, password) VALUES ('{$user['username']}', '{$user['password']}')";
    // 执行SQL语句
    
    // 返回响应给客户端
    $connection->send('注册成功！');
};

Similarly, we can implement the relevant logic of other functional modules and add business code according to actual needs.

4. Performance Evaluation
   Using Workerman can improve the performance and concurrency of the system. By adjusting the Worker count parameter, multiple processes can be started to handle concurrent connections. In testing, we can use tools such as Apache Bench to simulate a large number of concurrent requests to evaluate the performance of the system.
5. Summary
   By using Workerman, we can easily implement a high-performance online reservation system. Workerman's non-blocking IO model and high concurrency capabilities can provide a better user experience, and also provide more possibilities for system expansion and subsequent feature additions.

For code examples, please refer to Workerman’s official documentation and sample code on GitHub: https://github.com/walkor/Workerman.

References:

1. Workerman official document, https://www.workerman.net/
2. Zhang Honghai. High concurrency in PHP - Analysis of Workerman principle and actual combat[M]. Huazhong University of Science and Technology Press, 2020.

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