服务端

#include <iostream>
#include <WinSock2.h>#pragma comment(lib,"ws2_32.lib")
#pragma warning(disable:4996)#define SERVICE_IP "192.168.X.X"
#define SERVICE_PORT (1024 + 256)
#define SERVICE_BUFFER_SIZE 1024int main() {// 初始化 WinSocketWSADATA data;if (WSAStartup(MAKEWORD(2, 2), &data) != 0) {std::cout << "初始化失败" << std::endl;WSACleanup();return -1;}// 创建用于监听的 socketSOCKET listen_socket = socket(AF_INET, SOCK_STREAM, 0);if (listen_socket == -1) {std::cout << "创建 socket 失败" << std::endl;WSACleanup();return -1;}// 绑定服务器信息和端口sockaddr_in addr;addr.sin_family = AF_INET;addr.sin_port = SERVICE_PORT;addr.sin_addr.S_un.S_addr = inet_addr(SERVICE_IP);if (bind(listen_socket, (sockaddr*)&addr, sizeof(addr)) == -1) {std::cout << "绑定 socket 失败" << std::endl;WSACleanup();return -1;}// 监听绑定的端口if (listen(listen_socket, 5) == -1) {std::cout << "监听 socket 失败" << std::endl;WSACleanup();return -1;}// 监听到客户端的连接请求后创建 socket 进行连接sockaddr client;int client_len = sizeof(client);SOCKET client_socket = accept(listen_socket, &client, &client_len);if (client_socket == -1) {std::cout << "接收客户端 socket 失败" << std::endl;WSACleanup();return -1;}// 发送信息到客户端char service_write_buffer[SERVICE_BUFFER_SIZE] = "服务器已接收客户端请求";if (send(client_socket, service_write_buffer, sizeof(service_write_buffer), 0) == -1) {std::cout << "服务端发送响应信息失败" << std::endl;WSACleanup();return -1;}// 接收客户端发送来的信息char service_read_buffer[SERVICE_BUFFER_SIZE];if (recv(client_socket, service_read_buffer, SERVICE_BUFFER_SIZE, 0) <= 0) {std::cout << "接收客户端发送信息失败" << std::endl;WSACleanup();return -1;}std::cout << "客户端请求: " << service_read_buffer << std::endl;WSACleanup();return 0;
}

客户端

#include <iostream>
#include <WinSock2.h>#pragma comment(lib,"ws2_32.lib")
#pragma warning(disable:4996)#define SERVICE_IP "192.168.X.X"
#define SERVICE_PORT (1024 + 256)
#define CLIENT_BUFFER_SIZE 1024int main() {// 初始化 WinSocketWSADATA data;if (WSAStartup(MAKEWORD(2, 2), &data) != 0) {std::cout << "初始化失败" << std::endl;WSACleanup();return -1;}// 创建 socket 用于连接服务端SOCKET client_socket = socket(AF_INET, SOCK_STREAM, 0);if (client_socket == -1) {std::cout << "创建 socket 失败" << std::endl;WSACleanup();return -1;}// 设置服务端地址和端口信息并进行连接sockaddr_in addr;addr.sin_family = AF_INET;addr.sin_port = SERVICE_PORT;addr.sin_addr.S_un.S_addr = inet_addr(SERVICE_IP);if (connect(client_socket, (sockaddr*)&addr, sizeof(addr)) == -1) {std::cout << "连接服务端失败" << std::endl;WSACleanup();return -1;}// 接收服务端发送来的响应信息char client_read_buffer[CLIENT_BUFFER_SIZE];if (recv(client_socket, client_read_buffer, CLIENT_BUFFER_SIZE, 0) <= 0) {std::cout << "接收服务端响应失败" << std::endl;WSACleanup();return -1;}else {std::cout << "服务端响应: " << client_read_buffer << std::endl;}// 发送信息到服务端char client_write_buffer[CLIENT_BUFFER_SIZE] = "客户端已接收到服务端响应";if (send(client_socket, client_write_buffer, sizeof(client_write_buffer), 0) == -1) {std::cout << "向服务端发送信息失败" << std::endl;WSACleanup();return -1;}WSACleanup();return 0;
}