百度竞价收费标准_搜狗seo快速排名公司_镇江网站制作公司_bt兔子磁力搜索

1.cmakelist.txt

cmake_minimum_required(VERSION 3.16)
​
project(c_udp_server LANGUAGES C)
​
add_executable(c_udp_server main.c)
​
# link_directories("D:/Environment/mingw64/x86_64-w64-mingw32/lib")
​
target_link_libraries(c_udp_server wsock32)
​
include(GNUInstallDirs)
install(TARGETS c_udp_serverLIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
​

2.测试代码

#include <stdio.h>
#include <stdlib.h>
#include <winsock2.h>
#include <ws2tcpip.h>
​
// #pragma comment(lib, "ws2_32.lib")
​
#define PORT 8888
#define BUFFER_SIZE 1024
​
int main() {printf("server start---\n");WSADATA wsaData;int server_socket;struct sockaddr_in server_addr, client_addr;int client_addr_len = sizeof(client_addr);char buffer[BUFFER_SIZE];
​// 初始化Winsock库if (WSAStartup(MAKEWORD(2, 2), &wsaData)!= 0) {perror("WSAStartup failed");return 1;}
​// 创建UDP套接字if ((server_socket = socket(AF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET) {perror("Socket creation failed");WSACleanup();return 1;}
​// 初始化服务器地址结构server_addr.sin_family = AF_INET;server_addr.sin_port = htons(PORT);server_addr.sin_addr.s_addr = INADDR_ANY;
​// 绑定套接字到指定地址和端口if (bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) == SOCKET_ERROR) {perror("Bind failed");closesocket(server_socket);WSACleanup();return 1;}printf("Server is waiting for incoming messages...\n");while (1) {// 接收来自客户端的数据int recv_len = recvfrom(server_socket, buffer, BUFFER_SIZE - 1, 0,(struct sockaddr *)&client_addr, &client_addr_len);if (recv_len == SOCKET_ERROR) {perror("Receive failed");continue;}buffer[recv_len] = '\0';
​printf("Received message from client: %s", buffer);
​// 发送响应给客户端---执行实际操作数据处理const char *response = "Message received successfully";int send_len = sendto(server_socket, response, strlen(response), 0,(struct sockaddr *)&client_addr, client_addr_len);if (send_len == SOCKET_ERROR) {perror("Send failed");continue;}}
​closesocket(server_socket);WSACleanup();return 0;
}

3.结果