Skip to content

Instantly share code, notes, and snippets.

@PeskyPotato

PeskyPotato/http_server.c

Last active June 10, 2018 08:29
Show Gist options
  • Save PeskyPotato/e6aa84c6792ae34edbda922d1aecb4d8 to your computer and use it in GitHub Desktop.
Save PeskyPotato/e6aa84c6792ae34edbda922d1aecb4d8 to your computer and use it in GitHub Desktop.
Download ZIP
A simple HTTP Server in C
Raw
http_server.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
int main() {
// Char array to hold html file text
char html_data[1024];
FILE *fp = fopen("index.html", "r");
fread(html_data, 1024, 1, fp);
// Add null terminator at the end
html_data[1024] = '\0';
// HTTP Status Code 200 means request has been succeeded
char http_header[2048] = "HTTP/1.1 200 OK\r\n\n";
// Concatonate header and data
strcat(http_header, html_data);
// Create socket
int server_socket;
server_socket = socket(AF_INET, SOCK_STREAM, 0);
// Define server address
struct sockaddr_in server_address;
server_address.sin_family = AF_INET; // Address family (IPv4)
server_address.sin_port = htons(8000); // Port
server_address.sin_addr.s_addr = htons(INADDR_ANY); //Binds the socket all interfaces
// Bind the socket to the IP address and port
bind(server_socket, (struct sockaddr *) &server_address, sizeof(server_address));
// Listen for connections on the socket
listen(server_socket, 5);
// Placeholder for client socket
int client_socket;
// Infinitely serve
while(1) {
// Accept connections
client_socket = accept(server_socket, NULL, NULL);
if (client_socket < 0)
printf("Error on client socket");
// Send
send(client_socket, http_header, sizeof(http_header), 0);
close(client_socket);
}
return 0;
}
Raw
index.html
<html>
<body>
My first HTTP server!
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment