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Home PHP Framework Workerman Workerman development: How to implement instant messaging based on TCP protocol

Workerman development: How to implement instant messaging based on TCP protocol

Nov 07, 2023 am 10:34 AM
instant messaging workerman tcp protocol

Workerman development: How to implement instant messaging based on TCP protocol

Workerman Development: How to implement instant messaging based on TCP protocol

Introduction:
With the development of the Internet era, instant messaging plays a role in our daily lives important role. Instant messaging based on the TCP protocol has become a common solution. This article will introduce how to use the Workerman framework to implement instant messaging based on the TCP protocol by writing specific code examples.

1. Introduction to Workerman
Workerman is a high-performance PHP Socket service framework that supports multiple protocols such as TCP, UDP, and Unix Socket. It adopts an event-driven asynchronous non-blocking IO model and can efficiently handle a large number of concurrent connections. Due to its excellent performance and stability, Workerman is widely used in chat rooms, game servers, push services and other fields.

2. Implementation Ideas
Instant messaging based on TCP protocol mainly needs to implement the following functions:

  1. User registration and login
  2. Real-time message sending and Receive
  3. Management of online users

3. Code examples

  1. Install Workerman:

    composer require workerman/workerman

  2. Create the Server.php file and add the following code: 

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

use WorkermanWorker;

$worker = new Worker("tcp://0.0.0.0:8080");

$worker->onWorkerStart = function ($worker) {
    echo "Server started
";
};

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

$worker->onMessage = function ($connection, $message) {
    // 處理接收到的消息
    echo "Received message: " . $message . "
";

    // 發(fā)送消息給客戶端
    $connection->send("Server received your message");
};

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

Worker::runAll();

  3. Start Server: 

    php Server.php start

  4. Client code example: 

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

use WorkermanConnectionTcpConnection;

$connection = new TcpConnection("tcp://127.0.0.1:8080");

$connection->onConnect = function () {
    echo "Connected to server
";
};

$connection->onMessage = function ($connection, $message) {
    // 處理接收到的消息
    echo "Received message from server: " . $message . "
";
};

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

// 發(fā)送消息給服務器
$connection->send("Hello, server");

// 在命令行中運行
// 輸入Ctrl+C可關閉連接

TcpConnection::loop();

4. Summary
Through the above code examples, we have successfully implemented instant messaging based on the TCP protocol. The Workerman framework provides basic network communication capabilities, allowing us to easily build a high-performance, scalable instant messaging system. Of course, the above examples are only basic functional implementations. A real instant messaging system also needs to consider issues such as message broadcasting, offline message storage, and push services. But I believe that through these basic examples, readers can better understand and apply the Workerman framework to achieve more complex functions.

In addition, it is worth noting that the sample code introduced in this article is suitable for small-scale instant messaging applications. If you want to build a large-scale instant messaging system, further optimization and adjustment are needed.

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