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設計一個PHP Socket框架需要考慮多個方面,包括性能、可擴展性、安全性、易用性和兼容性。以下是一個基本的架構設計方案:
Socket服務器:負責監聽端口、接受連接和處理請求。
Server
類:核心類,負責啟動服務器、監聽端口和處理連接。Connection
類:表示一個客戶端連接,負責處理數據傳輸和連接關閉。Handler
接口:定義處理客戶端請求的方法。事件管理器:用于處理并發事件,如連接建立、數據接收和發送、連接關閉等。
EventManager
類:核心類,負責管理事件循環和處理事件。Event
類:表示一個事件,包含事件類型和相關數據。協議解析器:負責解析客戶端發送的數據和生成服務器響應的數據。
ProtocolParser
類:核心類,負責解析和序列化數據。Client
類:核心類,負責連接服務器、發送數據和接收響應。Connection
類:表示一個客戶端連接,負責處理數據傳輸和連接關閉。ProtocolParser
類中實現協議的解析和生成。<?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) {
// 解析請求數據
return $data;
}
public function parseResponse($data) {
// 解析響應數據
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";
這個架構設計提供了一個基本的框架,可以根據具體需求進行擴展和優化。關鍵點在于使用事件驅動模型處理并發連接,采用模塊化設計便于維護和擴展,同時考慮安全性和性能優化。
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