PHP Socket框架的架构设计

发布时间:2024-11-20 18:13:42 作者:小樊
来源:亿速云 阅读:80

设计一个PHP Socket框架需要考虑多个方面,包括性能、可扩展性、安全性、易用性和兼容性。以下是一个基本的架构设计方案:

1. 架构概述

2. 组件设计

2.1 服务器端组件

2.2 客户端组件

2.3 通信协议

3. 模块设计

4. 安全性设计

5. 性能优化

6. 示例代码

服务器端示例

<?php
class Server {
    private $host = '0.0.0.0';
    private $port = 8080;
    private $eventManager;

    public function __construct() {
        $this->eventManager = new EventManager();
        $this->eventManager->addEventListener('connect', array($this, 'handleConnect'));
        $this->eventManager->addEventListener('receive', array($this, 'handleReceive'));
        $this->eventManager->addEventListener('close', array($this, 'handleClose'));
    }

    public function start() {
        $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
        socket_bind($socket, $this->host, $this->port);
        socket_listen($socket);
        while ($conn = socket_accept($socket)) {
            $this->eventManager->dispatch('connect', new Connection($conn));
        }
    }

    public function handleConnect(Connection $conn) {
        echo "Client connected\n";
        $this->eventManager->dispatch('receive', $conn);
    }

    public function handleReceive(Connection $conn) {
        $data = socket_read($conn->getSocket(), 1024);
        echo "Received: $data\n";
        $response = $this->protocolParser->parseResponse($data);
        $conn->send($response);
    }

    public function handleClose(Connection $conn) {
        echo "Client disconnected\n";
        socket_close($conn->getSocket());
    }
}

class Connection {
    private $socket;

    public function __construct($socket) {
        $this->socket = $socket;
    }

    public function getSocket() {
        return $this->socket;
    }

    public function send($data) {
        socket_write($this->socket, $data);
    }
}

class EventManager {
    private $events = [];

    public function addEventListener($event, callable $handler) {
        if (!isset($this->events[$event])) {
            $this->events[$event] = [];
        }
        $this->events[$event][] = $handler;
    }

    public function dispatch($event, $data = null) {
        if (isset($this->events[$event])) {
            foreach ($this->events[$event] as $handler) {
                call_user_func($handler, $data);
            }
        }
    }
}

class ProtocolParser {
    public function parseRequest($data) {
        // 解析请求数据
        return $data;
    }

    public function parseResponse($data) {
        // 解析响应数据
        return $data;
    }
}

$server = new Server();
$server->start();

客户端示例

<?php
class Client {
    private $host = '127.0.0.1';
    private $port = 8080;

    public function connect() {
        $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
        socket_connect($socket, $this->host, $this->port);
        return new Connection($socket);
    }

    public function send(Connection $conn, $data) {
        $conn->send($data);
    }

    public function receive(Connection $conn) {
        return socket_read($conn->getSocket(), 1024);
    }
}

class Connection {
    private $socket;

    public function __construct($socket) {
        $this->socket = $socket;
    }

    public function getSocket() {
        return $this->socket;
    }

    public function send($data) {
        socket_write($this->socket, $data);
    }
}

$client = new Client();
$conn = $client->connect();
$client->send($conn, "Hello, Server!");
echo "Received: " . $client->receive($conn) . "\n";

7. 总结

这个架构设计提供了一个基本的框架,可以根据具体需求进行扩展和优化。关键点在于使用事件驱动模型处理并发连接,采用模块化设计便于维护和扩展,同时考虑安全性和性能优化。

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