/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   target.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/03/30 12:09:48 by rparodi           #+#    #+#             */
/*   Updated: 2026/03/30 15:42:55 by rparodi          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "macro.h"
#include "struct.h"
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>

char *_ip_addr(struct addrinfo *res) {
	char ip_str[INET_ADDRSTRLEN];
	struct sockaddr_in *ip = (struct sockaddr_in *)res->ai_addr;

	inet_ntop(AF_INET, &ip->sin_addr, ip_str, sizeof(ip_str));

	return strdup(ip_str);
}

void check_target(t_flags *flags, char *target) {
	struct addrinfo hints, *res;
	bzero(&hints, sizeof(struct addrinfo));
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_RAW;
	hints.ai_protocol = IPPROTO_ICMP;

	int err = getaddrinfo(target, NULL, &hints, &res);
	if (err != 0) {
		ERROR_LOG("ft_ping: unknown host");
		exit(EXIT_FAILURE);
	}
	flags->input = target;
	flags->destination = _ip_addr(res);
	freeaddrinfo(res);
}