// handles a get header f/m client.
static void handle_get (int connection_fd, const char* page)
{
       char response[1024];
       //char *string = "HTTP/1.0 OK 200";

  /* Test for root/home page*/
  if (!strcmp(page,"/")) {
            //fprintf(stderr, "handle_get\n");
            //send(connection_fd, string, strlen(string),0);
         send_head(connection_fd, 200, strlen(HOME_PAGE));
         send (connection_fd, HOME_PAGE, strlen (HOME_PAGE),0);
  }

  else {
    /* Send the HTTP response indicating success, and the HTTP header
       for an HTML page.  */
      send_head(connection_fd, 404, strlen(ERROR_404));
    send (connection_fd, response, strlen (response),0);
  }
}
/* Process an HTTP "HEAD" request for PAGE, and send the results to the
   file descriptor CONNECTION_FD.  */
void handle_head(int connection_fd, const char* page)
{
     if(*page == '/')
     {
         send_head(connection_fd, 200, 0);
     }
}


//send_head - send an HTTP 1.0 header with given status and content-len
 
void send_head(int conn_fd, int status, int len)
{
	char *statstr, buff[BUFFSIZE];

	/* convert the status code to a string */

	switch(status) {
	case 200:
		statstr = "OK";
		break;
	case 400:
		statstr = "Bad Request";
		break;
	case 404:
		statstr = "Not Found";
		break;
	default:
		statstr = "Unknown";
		break;
	}
	/*
	 * send an HTTP/1.0 response with Server, Content-Length,
	 * and Content-Type headers.
	 */
	(void) sprintf(buff, "HTTP/1.0 %d %s\r\n", status, statstr);
	(void) send(conn_fd, buff, strlen(buff), 0);

	(void) sprintf(buff, "Server: %s\r\n", SERVER_NAME);
	(void) send(conn_fd, buff, strlen(buff), 0);

	(void) sprintf(buff, "Content-Length: %d\r\n", len);
	(void) send(conn_fd, buff, strlen(buff), 0);

	(void) sprintf(buff, "Content-Type: text/html\r\n");
	(void) send(conn_fd, buff, strlen(buff), 0);

	(void) sprintf(buff, "\r\n");
	(void) send(conn_fd, buff, strlen(buff), 0);
}