生成基於C语言的udp通信服務器代碼
时间: 2023-11-12 15:09:17 浏览: 32
您好,我是ChitGPT,我可以为您提供关于基于C语言UDP通信服务器的代码生成建议。以下是一个简单的基于C语言的UDP通信服务器示例代码,您可以进行参考和修改以适应您的需求。
```
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#define PORT 8080
#define MAX_BUFFER_SIZE 1024
int main(int argc, char const *argv[]) {
int sockfd;
struct sockaddr_in server_addr, client_addr;
char buffer[MAX_BUFFER_SIZE];
int len;
int opt = 1;
// Creating socket file descriptor
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror("Socket creation failed");
exit(EXIT_FAILURE);
}
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))) {
perror("setsockopt");
exit(EXIT_FAILURE);
}
memset(&server_addr, 0, sizeof(server_addr));
memset(&client_addr, 0, sizeof(client_addr));
// Filling server information
server_addr.sin_family = AF_INET; // IPv4
server_addr.sin_addr.s_addr = INADDR_ANY;
server_addr.sin_port = htons(PORT);
// Bind the socket with the server address
if (bind(sockfd, (const struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
perror("Bind failed");
exit(EXIT_FAILURE);
}
while (1) {
len = sizeof(client_addr);
int n = recvfrom(sockfd, (char *)buffer, MAX_BUFFER_SIZE, MSG_WAITALL, (struct sockaddr *)&client_addr, &len);
buffer[n] = '\0';
printf("Client : %s\n", buffer);
sendto(sockfd, (const char *)buffer, strlen(buffer), MSG_CONFIRM, (const struct sockaddr *)&client_addr, len);
}
close(sockfd);
return 0;
}
```
希望这个代码示例能对您有所帮助。如果您有任何其他问题或需要任何帮助,请随时问我!