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| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <unistd.h> | |
| #include <arpa/inet.h> | |
| #define PORT 8080 | |
| #define BUFFER_SIZE 1024 | |
| void respond(int client_socket) { | |
| char *response = | |
| "HTTP/1.1 200 OK\r\n" | |
| "Content-Type: text/html\r\n" | |
| "Content-Length: 61\r\n" | |
| "\r\n" | |
| "<html><body><h1>Hello, World!</h1></body></html>"; | |
| write(client_socket, response, strlen(response)); | |
| } | |
| int main() { | |
| int server_socket, client_socket; | |
| struct sockaddr_in server_addr, client_addr; | |
| socklen_t client_addr_len = sizeof(client_addr); | |
| // Create socket | |
| server_socket = socket(AF_INET, SOCK_STREAM, 0); | |
| if (server_socket < 0) { | |
| perror("Socket creation failed"); | |
| exit(EXIT_FAILURE); | |
| } | |
| // Set up address struct | |
| memset(&server_addr, 0, sizeof(server_addr)); | |
| server_addr.sin_family = AF_INET; | |
| server_addr.sin_addr.s_addr = INADDR_ANY; | |
| server_addr.sin_port = htons(PORT); | |
| // Bind socket | |
| if (bind(server_socket, (struct sockaddr*)&server_addr, sizeof(server_addr)) < 0) { | |
| perror("Bind failed"); | |
| close(server_socket); | |
| exit(EXIT_FAILURE); | |
| } | |
| // Listen for connections | |
| if (listen(server_socket, 3) < 0) { | |
| perror("Listen failed"); | |
| close(server_socket); | |
| exit(EXIT_FAILURE); | |
| } | |
| printf("Server is running on port %d\n", PORT); | |
| // Accept connections | |
| while (1) { | |
| client_socket = accept(server_socket, (struct sockaddr*)&client_addr, &client_addr_len); | |
| if (client_socket < 0) { | |
| perror("Accept failed"); | |
| continue; | |
| } | |
| respond(client_socket); | |
| close(client_socket); | |
| } | |
| close(server_socket); | |
| return 0; | |
| } |
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