构建高效的 C++ 服务器架构以处理高并发请求

#include <boost/asio.hpp>
#include <iostream>
#include <string>

using namespace boost::asio;
using namespace boost::asio::ip;

class WebServer {
public:
    WebServer(io_service& io_service, unsigned short port)
        : acceptor_(io_service, tcp::endpoint(tcp::v4(), port)) {
        start_accept();
    }

private:
    void start_accept() {
        acceptor_.async_accept(
            [this](boost::system::error_code ec, tcp::socket socket) {
                if (!ec) {
                    handle_connection(std::move(socket));
                }
                start_accept();
            });
    }

    void handle_connection(tcp::socket socket) {
        // 读取 HTTP 请求
        std::string request;
        std::size_t len = socket.read_some(
            boost::asio::buffer(request), boost::asio::transfer_all());

        // 处理请求并生成响应
        std::string response = "HTTP/1.1 200 OK\r\n\r\nHello World!\n";

        // 发送 HTTP 响应
        socket.write_some(boost::asio::buffer(response));
    }

    io_service& io_service_;
    tcp::acceptor acceptor_;
};

int main() {
    io_service io_service;
    WebServer server(io_service, 8080);
    io_service.run();
    return 0;
}