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:
Socket服务器:负责监听端口、接受连接和处理请求。
Server
类:核心类,负责启动服务器、监听端口和处理连接。Connection
类:表示一个客户端连接,负责处理数据传输和连接关闭。Handler
接口:定义处理客户端请求的方法。事件管理器:用于处理并发事件,如连接建立、数据接收和发送、连接关闭等。
EventManager
类:核心类,负责管理事件循环和处理事件。Event
类:表示一个事件,包含事件类型和相关数据。协议解析器:负责解析客户端发送的数据和生成服务器响应的数据。
ProtocolParser
类:核心类,负责解析和序列化数据。Client
类:核心类,负责连接服务器、发送数据和接收响应。Connection
类:表示一个客户端连接,负责处理数据传输和连接关闭。ProtocolParser
类中实现协议的解析和生成。<?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();
<?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";
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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