实验四 Web服务器2
server.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define PORT 8080
#define BUFFER_SIZE 1024
int main() {
int server_fd, new_socket;
struct sockaddr_in address;
int addrlen = sizeof(address);
char buffer[BUFFER_SIZE] = {0};
char *response = "HTTP/1.1 200 OK\nContent-Type: text/html\n\n<html><body><h1>Hello, World!</h1></body></html>";
// 创建套接字
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
// 绑定地址和端口
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
perror("bind failed");
exit(EXIT_FAILURE);
}
// 监听连接
if (listen(server_fd, 3) < 0) {
perror("listen failed");
exit(EXIT_FAILURE);
}
printf("Server listening on port %d\n", PORT);
// 接受连接
if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t *)&addrlen)) < 0) {
perror("accept failed");
exit(EXIT_FAILURE);
}
// 读取请求
read(new_socket, buffer, BUFFER_SIZE);
printf("Request:\n%s\n", buffer);
// 发送响应
send(new_socket, response, strlen(response), 0);
printf("Response sent\n");
close(new_socket);
close(server_fd);
return 0;
}
client.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#define PORT 8080
#define BUFFER_SIZE 1024
int main() {
int sock = 0;
struct sockaddr_in serv_addr;
char buffer[BUFFER_SIZE] = {0};
char *request = "GET / HTTP/1.1\r\nHost: localhost\r\n\r\n";
// 创建套接字
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(PORT);
// 将IP地址从字符串转换为网络字节序
if (inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr) <= 0) {
perror("inet_pton failed");
exit(EXIT_FAILURE);
}
// 连接服务器
if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
perror("connect failed");
exit(EXIT_FAILURE);
}
// 发送请求
send(sock, request, strlen(request), 0);
printf("Request sent\n");
// 读取响应
read(sock, buffer, BUFFER_SIZE);
printf("Response:\n%s\n", buffer);
close(sock);
return 0;
}
