Http_Server_Socket_Shit

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <sys/socket.h>
#include <sys/types.h>

#include <netinet/in.h>

int main(){
    //open a file to serve
    FILE *html_data; //file pointer to hold the data
    html_data = fopen("index.html", "r");
              //file to open, how to use file. w = write, r = read.

    char response_data[1024]; //string to store the HTML of the file in it.
    fgets(response_data, 1024, html_data); //fgets() allows you to read from the file
          //Where to read the data to, how much data to read, file we're reading from.

    char http_header[2048] = "HTTP/1.1 200 OK \r\n\n"; //response to let client know what happened when resource was requested.
    strcat(http_header, response_data); //combines http_header and response_data into one string

    //create a socket
    int server_socket;
    server_socket = socket(AF_INET, SOCK_STREAM, 0);
        //Domain of Socket (Internet Socket), TCP Socket, Protocol(Already using TCP so put as 0)

    //define the address
    struct sockaddr_in server_address; //declares structure for the address.
    server_address.sin_family = AF_INET; //Sets family of address so knows what type of address it's working with: AF_INET
    server_address.sin_port = htons(8001); //defines port number to connect to. htons() is a conversion function to put the port number in the right network byte over.
    server_address.sin_addr.s_addr = INADDR_ANY; //Any Address

    bind(server_socket, (struct sockaddr *) &server_address, sizeof(server_address)); //bind socket to a port
    //Network Socket, Casts our address to the right structure type, size of the address

    listen(server_socket, 5); //Listen for connections on socket

    int client_socket;

    while(1) {
        //infinite while loop to have server continue serving and responding to requests
        client_socket = accept(server_socket, NULL, NULL); //accept connection on the client socket
                            //not storing address so NULL
        send(client_socket, http_header, sizeof(http_header), 0); //send data back to client
            //where to send it to, response, send the sizeof http header to the send function.
        close(client_socket);
    }

    return 0;

}