Workerman network programming practice: a successful case of building a real-time data synchronization system

Introduction:
With the development of the Internet and the continuous growth of data volume, real-time data Synchronized systems are becoming more and more important in various industries. These systems can acquire, process and transmit data in real time, allowing different terminal devices to obtain the latest and accurate data in a timely manner. This article will introduce a successful case of a real-time data synchronization system based on the Workerman network programming framework, and provide code examples for readers' reference.

1. What is Workerman?

Workerman is a high-performance network programming framework written in PHP. It can handle network application scenarios with high concurrency and real-time requirements. Due to the interpreted nature of PHP, it has always been considered unsuitable for developing high-performance network applications. However, Workerman successfully solved this problem by using a network library written in pure PHP and adopting an asynchronous non-blocking event-driven model.

2. Requirements analysis of real-time data synchronization system

In the real-time data synchronization system, there are several important requirements:

1. Real-time: the system can Receive and process large amounts of real-time data in a timely manner.
2. Scalability: The system can expand as the amount of data grows, maintaining high performance while supporting more users and devices.
3. Reliability: The system can handle various abnormal situations, such as network failures, power outages, etc., to ensure that data will not be lost.
4. Security: The system can ensure data security through identity verification and data encryption.

Based on the above requirements, we chose to use Workerman to build a real-time data synchronization system.

3. System Architecture Design

Our real-time data synchronization system includes the following core components:

1. Data sending end: responsible for collecting and sending real-time data to in the system.
2. Data receiving end: Responsible for receiving and processing received real-time data.
3. Data storage terminal: Responsible for storing the received real-time data.
4. Data synchronization terminal: Responsible for synchronizing the received real-time data to other devices.

These components communicate through network connections to achieve real-time transmission and synchronization of data.

4. System Implementation Example

The following is a simplified example code that shows how to use Workerman to build the sender and receiver of a real-time data synchronization system.

// 文件：sender.php

require_once 'Workerman/Autoloader.php';

use WorkermanWorker;

$sender = new Worker("websocket://0.0.0.0:8000");

$sender->onConnect = function($connection) {
    echo "New connection
";
};

$sender->onMessage = function($connection, $data) {
   echo "Received: " . $data . "
";
   
   // 處理接收到的數據，并發(fā)送給接收端
   $receiver = new Client("tcp://127.0.0.1:9000");
   $receiver->send($data);
   $receiver->onMessage = function($receiver, $data) {
       echo "Received by receiver: " . $data . "
";
   };
};

$sender->onClose = function($connection) {
    echo "Connection closed
";
};

Worker::runAll();

// 文件：receiver.php

require_once 'Workerman/Autoloader.php';

use WorkermanWorker;

$receiver = new Worker("websocket://0.0.0.0:9000");

$receiver->onConnect = function($connection) {
    echo "New connection
";
};

$receiver->onMessage = function($connection, $data) {
    echo "Received: " . $data . "
";
   
   // 處理接收到的數據，并持久化存儲
   // ...
};

$receiver->onClose = function($connection) {
    echo "Connection closed
";
};

Worker::runAll();

In the above example, sender.php is the code of the sending end, which listens to port 8000 and provides websocket service. When a new connection is established, the onConnect callback function is triggered. When real-time data is received, the onMessage callback function will be triggered. We can process the data in this function and send it to the receiving end.

receiver.php is the code on the receiving end, which listens to port 9000 and provides websocket service. When a new connection is established, the onConnect callback function is triggered. When real-time data is received, the onMessage callback function will be triggered. We can process the data in this function and perform operations such as persistent storage.

5. Summary

Using the Workerman network programming framework can easily build a real-time data synchronization system. Through an asynchronous non-blocking event-driven model, Workerman can efficiently handle a large number of concurrent connections and ensure the real-time and reliability of data. This article introduces a successful case of a real-time data synchronization system based on Workerman and provides code examples for readers' reference. I hope readers can learn how to use Workerman to build high-performance network applications by reading this article.

Reference link:

1. https://www.workerman.net/
2. https://github.com/walkor/Workerman

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