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server.c
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#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <unistd.h>
#include <arpa/inet.h>
#define PORT 8080
#define BUFFE_SIZE 1024
int handle_client(int client_socket);
int main() {
int server_socket;
int client_socket;
struct sockaddr_in server_address;
struct sockaddr_in client_address;
socklen_t client_len = sizeof(client_address);
server_socket = socket (AF_INET, SOCK_STREAM, 0);
if (server_socket < 0) {
perror("Socket creation failed");
exit(EXIT_FAILURE);
}
server_address.sin_family = AF_INET;
server_address.sin_addr.s_addr = INADDR_ANY;
server_address.sin_port = htons(PORT);
if (bind(server_socket, (struct sockaddr *) &server_address, sizeof(server_address)) < 0) {
perror("Bind failed");
close(server_socket);
exit(EXIT_FAILURE);
}
if (listen(server_socket, 10) < 0) {
perror("Listen failed");
close(server_socket);
exit(EXIT_FAILURE);
}
printf("Server is listening on port %d...\n", PORT);
while(1) {
client_socket = accept(server_socket, (struct sockaddr *)&client_address, &client_len);
if (client_socket < 0) {
perror("Accept failed");
continue;
}
handle_client(client_socket);
}
close(server_socket);
return 0;
}
int handle_client(int client_socket) {
char *buffer = malloc(BUFFE_SIZE * sizeof(char));
int bytes_read = recv(client_socket, buffer, BUFFE_SIZE - 1, 0);
if (bytes_read < 0) {
perror("Read error");
close(client_socket);
return 1;
}
buffer[bytes_read] = '\0';
printf("Request:\n%s\n", buffer);
const char *response =
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 49\r\n"
"\r\n"
"<html><body><h1>Hello, World!</h1></body></html>";
if (send(client_socket, response, strlen(response), 0) < 0) {
perror("Send error");
}
close(client_socket);
free(buffer);
return 0;
}