/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   philo_init.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/04/11 10:33:01 by narnaud           #+#    #+#             */
/*   Updated: 2022/04/11 10:35:12 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "philosophers.h"

t_param	*init_param(char **argv)
{
	t_param	*ret;

	ret = malloc(sizeof(t_param));
	ret->philo_amount = mini_atoi(argv[0]);
	ret->die_time = mini_atoi(argv[1]);
	ret->eat_duration = mini_atoi(argv[2]);
	ret->sleep_duration = mini_atoi(argv[3]);
	if (argv[4])
		ret->eat_amount = mini_atoi(argv[4]);
	else
		ret->eat_amount = 2147483647;
	return (ret);
}

t_room	*init_room(char **argv)
{
	t_room			*room;
	struct timeval	time;
	static int		i = 0;

	gettimeofday(&time, NULL);
	room = malloc(sizeof(t_room));
	room->param = init_param(argv);
	room->safe = malloc(sizeof(pthread_mutex_t));
	pthread_mutex_init(room->safe, NULL);
	room->philos = \
		(t_philo **)malloc(room->param->philo_amount * sizeof(t_philo *));
	room->running = 1;
	room->start_time = time.tv_sec * 1000 + time.tv_usec / 1000;
	room->time = 0;
	room->i = 0;
	while (i < room->param->philo_amount)
	{
		room->philos[i] = (t_philo *)malloc(sizeof(t_philo));
		room->philos[i]->fork = malloc(sizeof(pthread_mutex_t));
		room->philos[i]->safe = malloc(sizeof(pthread_mutex_t));
		room->philos[i]->thd = malloc(sizeof(pthread_t));
		room->philos[i]->eat_time = room->time;
		room->philos[i]->eat_amount = 0;
		room->philos[i]->i = i;
		pthread_mutex_init(room->philos[i]->fork, NULL);
		pthread_mutex_init(room->philos[i++]->safe, NULL);
	}
	return (room);
}