C++ を使用して高性能ネットワーク通信機能を開発するにはどうすればよいですか?

#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

int main() {
    int sockfd = socket(AF_INET, SOCK_STREAM, 0);
    fcntl(sockfd, F_SETFL, O_NONBLOCK);

    struct sockaddr_in server_addr;
    server_addr.sin_family = AF_INET;
    server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
    server_addr.sin_port = htons(8888);
    connect(sockfd, (struct sockaddr*)&server_addr, sizeof(server_addr));

    char buffer[1024];
    while (true) {
        int ret = recv(sockfd, buffer, sizeof(buffer), 0);
        if (ret > 0) {
            std::cout << "Received: " << buffer << std::endl;
        } else if (ret == 0) {
            std::cout << "Connection closed." << std::endl;
            break;
        } else {
            // 非阻塞套接字的处理逻辑
        }

        usleep(1000);
    }

    close(sockfd);
    return 0;
}

#include <iostream>
#include <thread>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>

void handle_connection(int client_socket) {
    char buffer[1024];
    while (true) {
        int ret = recv(client_socket, buffer, sizeof(buffer), 0);
        if (ret > 0) {
            std::cout << "Received: " << buffer << std::endl;
            // 数据处理逻辑
        } else if (ret == 0) {
            std::cout << "Connection closed." << std::endl;
            break;
        } else {
            // 错误处理逻辑
        }
    }

    close(client_socket);
}

int main() {
    int server_socket = socket(AF_INET, SOCK_STREAM, 0);

    struct sockaddr_in server_addr;
    server_addr.sin_family = AF_INET;
    server_addr.sin_addr.s_addr = INADDR_ANY;
    server_addr.sin_port = htons(8888);
    bind(server_socket, (struct sockaddr*)&server_addr, sizeof(server_addr));
    listen(server_socket, 10);

    while (true) {
        struct sockaddr_in client_addr;
        socklen_t client_len = sizeof(client_addr);
        int client_socket = accept(server_socket, (struct sockaddr*)&client_addr, &client_len);
        std::thread t(handle_connection, client_socket);
        t.detach();
    }

    close(server_socket);
    return 0;
}