/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   waitlist_utils.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/05/01 17:38:58 by tomoron           #+#    #+#             */
/*   Updated: 2025/06/03 00:27:30 by tomoron          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "includes/ft_ping.h"

void waitlist_add(t_waitlist **waitlist, t_waitlist *elem)
{
	t_waitlist *cur;

	cur = *waitlist;

	while(cur && cur->next)
		cur = cur->next;
	if(cur)
		cur->next = elem;
	else
		*waitlist = elem;
}

void waitlist_free(t_waitlist *lst)
{
	t_waitlist *tmp;

	while(lst)
	{
		tmp = lst->next;
		free(lst);
		lst = tmp;
	}
}

t_waitlist *waitlist_remove(t_waitlist **lst, t_icmp_ip_reply *res, int is_ttl_exceeded)
{
	t_waitlist *prev;
	t_waitlist *cur;

	prev = 0;
	cur = *lst;
	if(is_ttl_exceeded)
		res = (void *)res + sizeof(struct iphdr) + 8;
	res->icmp.sequence = htons(res->icmp.sequence);
	while(cur && cur->seq != res->icmp.sequence)
	{
		printf("%d, %d\n", cur->seq, res->icmp.sequence);
		prev = cur;
		cur = cur->next;
	}
	if(!cur)
		return (0);
	if(!prev)
		*lst = cur->next;
	else
		prev->next = cur->next;
	return(cur);
}