PHP Framework
Workerman
Analysis of the Workerman Framework Principles: Exploring the Secret of Its High Performance
Analysis of the Workerman Framework Principles: Exploring the Secret of Its High Performance
Aug 07, 2023 am 10:37 AM
Workerman framework principle analysis: Exploring the secret of its high performance
Introduction:
In today's era of rapid development of the Internet, building high-performance network applications has become one of the focuses of developers. As a PHP network communication engine, the Workerman framework is highly recognized by developers for its excellent performance and stability. This article will analyze the principles of the Workerman framework and explore the secrets of its high performance.
1. Overview of Workerman framework
Workerman is an open source framework developed based on PHP, focusing on the rapid development of high-performance network applications. It is characterized by event-driven and non-blocking design, allowing Workerman to handle thousands of client connections simultaneously and provide excellent IO performance. It supports multiple protocols such as TCP, UDP and WebSocket, making it convenient for developers to build various types of network applications.
2. The operating principle of the framework
- Event-driven model
The Workerman framework uses an event-driven model instead of the traditional multi-process or multi-thread model. The core idea of ??the event-driven model is an event-based callback mechanism, which realizes asynchronous execution of the program by monitoring the occurrence of events and corresponding processing functions. In the Workerman framework, you can register event handling functions to respond to client connection establishment, data reading and writing, and other operations, thereby realizing communication between the server and the client. - Non-blocking IO
The Workerman framework uses non-blocking IO to process requests and responses, improving the program's concurrent processing capabilities. In traditional blocking IO, when a request arrives, the program waits until the request is processed before it can receive the next request. In non-blocking IO, when a request arrives, the program will not block here, but immediately accept and process other requests, thereby achieving the ability to process multiple client connections at the same time.
3. Framework code example
The following is a simple chat room server example code built using the Workerman framework:
// 引入Workerman的命名空間
use WorkermanWorker;
use WorkermanLibTimer;
// 創(chuàng)建一個(gè)Worker監(jiān)聽(tīng)8080端口
$worker = new Worker('websocket://0.0.0.0:8080');
// 連接建立時(shí)的回調(diào)函數(shù)
$worker->onConnect = function($connection) {
echo "New connection established
";
};
// 接收到客戶端數(shù)據(jù)時(shí)的回調(diào)函數(shù)
$worker->onMessage = function($connection, $data) use ($worker){
// 將消息發(fā)送給所有客戶端
foreach($worker->connections as $clientConnection){
$clientConnection->send($data);
}
};
// 連接斷開(kāi)時(shí)的回調(diào)函數(shù)
$worker->onClose = function($connection) {
echo "Connection closed
";
};
// 啟動(dòng)Worker
Worker::runAll();In the above example, we created a A Worker object named $worker is used to listen on port 8080. By defining callback functions such as onConnect, onMessage and onClose, we can handle events such as connection establishment, data reception and connection closing. At the same time, using non-blocking IO can ensure that the program can respond to other client requests faster.
Conclusion:
The Workerman framework has been widely used for its high performance and stability. Through the design of event-driven model and non-blocking IO, Workerman can handle large-scale concurrent requests, providing convenience for developers to build high-performance network applications. We hope that through the analysis of this article, we can understand the principles of the Workerman framework and be able to use it flexibly in actual development.
The above is the detailed content of Analysis of the Workerman Framework Principles: Exploring the Secret of Its High Performance. For more information, please follow other related articles on the PHP Chinese website!
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