philo_one refactoring without common lib

9 files changed, 276 insertions, 99 deletions

diff --git a/philo_one/Makefile b/philo_one/Makefile
index 1bab8d6..8b1213b 100644
--- a/philo_one/Makefile
+++ b/philo_one/Makefile
@@ -6,46 +6,40 @@
 #    By: cacharle <marvin@42.fr>                    +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2019/11/24 05:50:15 by cacharle          #+#    #+#              #
-#    Updated: 2020/02/14 22:48:10 by cacharle         ###   ########.fr        #
+#    Updated: 2020/04/22 13:02:38 by charles          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
 RM = rm -f
 
-COMMON_DIR = ../common
-
 CC = gcc
-CCFLAGS = -I$(COMMON_DIR) -Wall -Wextra #-Werror
-LDFLAGS = -lpthread -L$(COMMON_DIR) -lphilocommon
+CCFLAGS = -Wall -Wextra -Werror
+LDFLAGS = -lpthread
 
 NAME = philo_one
 
 SRC = main.c \
 	  philo.c \
-	  fork.c \
+	  forks.c \
 	  routine.c \
-	  io.c
+	  io.c \
+	  common.c \
+	  helper.c
 
 OBJ = $(SRC:.c=.o)
 
 all: $(NAME)
 
-$(NAME): common_all $(OBJ)
+$(NAME): $(OBJ)
 	$(CC) -o $@ $(OBJ) $(LDFLAGS)
 
 %.o: %.c
 	$(CC) $(CCFLAGS) -c -o $@ $<
 
-clean: common_fclean
+clean:
 	$(RM) $(OBJ)
 
 fclean: clean
 	$(RM) $(NAME)
 
 re: fclean all
-
-common_all:
-	make -C $(COMMON_DIR) all
-
-common_fclean:
-	make -C $(COMMON_DIR) fclean
diff --git a/philo_one/common.c b/philo_one/common.c
new file mode 100644
index 0000000..b9d6e9a
--- /dev/null
+++ b/philo_one/common.c
@@ -0,0 +1,30 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   common.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 23:12:55 by cacharle          #+#    #+#             */
+/*   Updated: 2020/04/22 13:22:51 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "philo_one.h"
+
+bool				parse_args(t_philo_conf *philo_args, int argc, char **argv)
+{
+	if (argc != 5 && argc != 6)
+		return (false);
+	if ((philo_args->philo_num = h_atoi_strict_unsigned(argv[1])) == -1
+		|| (philo_args->timeout_death = h_atoi_strict_unsigned(argv[2])) == -1
+		|| (philo_args->timeout_eat = h_atoi_strict_unsigned(argv[3])) == -1
+		|| (philo_args->timeout_sleep = h_atoi_strict_unsigned(argv[4])) == -1)
+		return (false);
+	if (argc == 6
+		&& (philo_args->meal_num = h_atoi_strict_unsigned(argv[5])) == -1)
+		return (false);
+	else
+		philo_args->meal_num = -1;
+	return (true);
+}
diff --git a/philo_one/fork.c b/philo_one/forks.c
index 3f91b35..065c7c6 100644
--- a/philo_one/fork.c
+++ b/philo_one/forks.c
@@ -1,23 +1,24 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   fork.c                                             :+:      :+:    :+:   */
+/*   forks.c                                            :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/02/09 23:46:40 by cacharle          #+#    #+#             */
-/*   Updated: 2020/02/15 01:23:25 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/04/22 13:26:58 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "philo_one.h"
 
-t_fork			*forks_new(int num)
+pthread_mutex_t	*forks_new(int num)
 {
-	int		i;
-	t_fork	*forks;
+	int				i;
+	pthread_mutex_t	*forks;
 
-	if ((forks = (t_fork*)malloc(sizeof(t_fork) * num)) == NULL)
+	if ((forks = (pthread_mutex_t*)malloc(
+			sizeof(pthread_mutex_t) * num)) == NULL)
 		return (NULL);
 	i = -1;
 	while (++i < num)
@@ -31,29 +32,31 @@ t_fork			*forks_new(int num)
 	return (forks);
 }
 
-void			forks_destroy(t_fork *forks, int num)
+void			forks_destroy(pthread_mutex_t *forks, int num)
 {
 	while (num-- > 0)
 		pthread_mutex_destroy(&forks[num]);
 	free(forks);
 }
 
-t_routine_arg	*forks_dispatch(t_philo *philos, t_fork *forks,
-								t_philo_args *args)
+t_routine_arg	*forks_dispatch(
+					t_philo *philos,
+					pthread_mutex_t *forks,
+					t_philo_conf *conf)
 {
 	int				i;
 	t_routine_arg	*routine_args;
 
-	if ((routine_args = (t_routine_arg*)malloc(sizeof(t_routine_arg)
-									* args->philo_num)) == NULL)
+	if ((routine_args = (t_routine_arg*)malloc(
+			sizeof(t_routine_arg) * conf->philo_num)) == NULL)
 		return (NULL);
 	i = -1;
-	while (++i < args->philo_num)
+	while (++i < conf->philo_num)
 	{
-		routine_args[i].args = args;
+		routine_args[i].conf = conf;
 		routine_args[i].philo = philos + i;
-		routine_args[i].fork_left = forks + i % args->philo_num;
-		routine_args[i].fork_right = forks + (i + 1) % args->philo_num;
+		routine_args[i].fork_left = forks + i % conf->philo_num;
+		routine_args[i].fork_right = forks + (i + 1) % conf->philo_num;
 	}
 	return (routine_args);
 }
diff --git a/philo_one/helper.c b/philo_one/helper.c
new file mode 100644
index 0000000..cd4b8a0
--- /dev/null
+++ b/philo_one/helper.c
@@ -0,0 +1,80 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   helper.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 23:22:49 by cacharle          #+#    #+#             */
+/*   Updated: 2020/04/22 11:57:08 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "philo_one.h"
+
+static int	h_strlen(char *s)
+{
+	int	counter;
+
+	counter = 0;
+	while (s[counter])
+		counter++;
+	return (counter);
+}
+
+long int	h_atoi_strict_unsigned(char *s)
+{
+	long int	num;
+
+	if (*s < '0' || *s > '9')
+		return (-1);
+	num = 0;
+	while (*s >= '0' && *s <= '9')
+	{
+		num *= 10;
+		num += *s - '0';
+		s++;
+	}
+	if (*s != '\0')
+		return (-1);
+	return num;
+}
+
+void		h_putnbr(unsigned long int num)
+{
+	if (num > 9)
+		h_putnbr(num / 10);
+	h_putchar(num % 10 + '0');
+}
+
+void		h_putchar(char c)
+{
+	write(STDOUT_FILENO, &c, 1);
+}
+
+void		h_putstr(char *s)
+{
+	write(STDOUT_FILENO, s, h_strlen(s));
+}
+
+void		*h_calloc(int count, int size)
+{
+	int		i;
+	void	*ptr;
+
+	if ((ptr = malloc(count * size)) == NULL)
+		return (NULL);
+	i = count * size;
+	while (i-- > 0)
+		((unsigned char*)ptr)[i] = 0x0;
+	return (ptr);
+}
+
+t_time		h_time_now(void)
+{
+	struct timeval	tv;
+
+	if (gettimeofday(&tv, NULL) == -1)
+		return (-1);
+	return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
+}
diff --git a/philo_one/io.c b/philo_one/io.c
index 846c830..b4d9949 100644
--- a/philo_one/io.c
+++ b/philo_one/io.c
@@ -6,40 +6,63 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/02/14 21:37:50 by cacharle          #+#    #+#             */
-/*   Updated: 2020/02/14 21:42:30 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/04/22 13:37:40 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "philo_one.h"
 
-void			io_eat(t_routine_arg *arg)
+static void	philo_put(int id, t_philo_event event)
 {
-	pthread_mutex_lock(&arg->args->mutex_stdout);
-	if (arg->args->all_alive)
-		philo_eat(arg->philo->id, arg->args->timeout_eat);
-	pthread_mutex_unlock(&arg->args->mutex_stdout);
+	h_putnbr(h_time_now());
+	h_putchar(' ');
+	h_putnbr(id);
+	if (event == EVENT_FORK)
+		h_putstr(" has taken fork\n");
+	else if (event == EVENT_EAT)
+		h_putstr(" is eating\n");
+	else if (event == EVENT_SLEEP)
+		h_putstr(" is sleeping\n");
+	else if (event == EVENT_THINK)
+		h_putstr(" is thinking\n");
+	else if (event == EVENT_DIE)
+		h_putstr(" died\n");
 }
 
-void			io_think(t_routine_arg *arg)
+void		io_eat(t_routine_arg *arg)
 {
-	pthread_mutex_lock(&arg->args->mutex_stdout);
-	if (arg->args->all_alive)
-		philo_think(arg->philo->id);
-	pthread_mutex_unlock(&arg->args->mutex_stdout);
+	if (!arg->conf->all_alive)
+		return ;
+	pthread_mutex_lock(&arg->conf->mutex_stdout);
+	philo_put(arg->philo->id, EVENT_EAT);
+	pthread_mutex_unlock(&arg->conf->mutex_stdout);
+	usleep(arg->conf->timeout_eat * 1000);
 }
 
-void			io_sleep(t_routine_arg *arg)
+void		io_think(t_routine_arg *arg)
 {
-	pthread_mutex_lock(&arg->args->mutex_stdout);
-	if (arg->args->all_alive)
-		philo_sleep(arg->philo->id, arg->args->timeout_sleep);
-	pthread_mutex_unlock(&arg->args->mutex_stdout);
+	if (!arg->conf->all_alive)
+		return ;
+	pthread_mutex_lock(&arg->conf->mutex_stdout);
+	philo_put(arg->philo->id, EVENT_THINK);
+	pthread_mutex_unlock(&arg->conf->mutex_stdout);
 }
 
-void			io_die(t_routine_arg *arg)
+void		io_sleep(t_routine_arg *arg)
 {
-	pthread_mutex_lock(&arg->args->mutex_stdout);
-	if (arg->args->all_alive)
-		philo_die(arg->philo->id);
-	pthread_mutex_unlock(&arg->args->mutex_stdout);
+	if (!arg->conf->all_alive)
+		return ;
+	pthread_mutex_lock(&arg->conf->mutex_stdout);
+	philo_put(arg->philo->id, EVENT_SLEEP);
+	pthread_mutex_unlock(&arg->conf->mutex_stdout);
+	usleep(arg->conf->timeout_sleep * 1000);
+}
+
+void		io_die(t_routine_arg *arg)
+{
+	if (!arg->conf->all_alive)
+		return ;
+	pthread_mutex_lock(&arg->conf->mutex_stdout);
+	philo_put(arg->philo->id, EVENT_DIE);
+	pthread_mutex_unlock(&arg->conf->mutex_stdout);
 }
diff --git a/philo_one/main.c b/philo_one/main.c
index abf9d9a..4739c0b 100644
--- a/philo_one/main.c
+++ b/philo_one/main.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/11/24 05:53:02 by cacharle          #+#    #+#             */
-/*   Updated: 2020/02/15 00:57:24 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/04/22 13:07:15 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,9 +14,9 @@
 
 int	main(int argc, char **argv)
 {
-	t_philo_args	philo_args;
+	t_philo_conf	philo_args;
 	t_philo			*philos;
-	t_fork			*forks;
+	pthread_mutex_t	*forks;
 	t_routine_arg	*routine_args;
 
 	if (!parse_args(&philo_args, argc, argv))
@@ -27,7 +27,7 @@ int	main(int argc, char **argv)
 		return (1);
 	if ((routine_args = forks_dispatch(philos, forks, &philo_args)) == NULL)
 		return (1);
-	philo_args.all_alive = TRUE;
+	philo_args.all_alive = true;
 	pthread_mutex_init(&philo_args.mutex_all_alive, NULL);
 	pthread_mutex_init(&philo_args.mutex_stdout, NULL);
 	if (!philos_start(philos, routine_args, philo_args.philo_num))
diff --git a/philo_one/philo.c b/philo_one/philo.c
index fffbc6c..97a0616 100644
--- a/philo_one/philo.c
+++ b/philo_one/philo.c
@@ -25,7 +25,7 @@ t_philo	*philos_new(int num)
 	while (++i < num)
 	{
 		philos[i].id = i + 1;
-		philos[i].alive = FALSE;
+		philos[i].alive = false;
 	}
 	return (philos);
 }
@@ -38,19 +38,19 @@ void	philos_destroy(t_philo *philos, int num)
 	free(philos);
 }
 
-t_bool	philos_start(t_philo *philos, t_routine_arg *routine_args, int num)
+bool	philos_start(t_philo *philos, t_routine_arg *routine_args, int num)
 {
 	int				i;
 
 	i = -1;
 	while (++i < num)
 	{
-		philos[i].alive = TRUE;
+		philos[i].alive = true;
 		if (pthread_create(&philos[i].thread, NULL,
 							&routine_philo, (void*)(routine_args + i)) == -1)
-			return (FALSE);
+			return (false);
 	}
-	return (TRUE);
+	return (true);
 }
 
 void	philos_join(t_philo *philos, int num)
@@ -62,13 +62,13 @@ void	philos_join(t_philo *philos, int num)
 	{
 		if (philos[i].alive)
 		{
-			philos[i].alive = FALSE;
+			philos[i].alive = false;
 			pthread_join(philos[i].thread, NULL);
 		}
 	}
 }
 
-t_bool	philos_starved(t_philo *philos, int num)
+bool	philos_starved(t_philo *philos, int num)
 {
 	int	i;
 
@@ -79,9 +79,9 @@ t_bool	philos_starved(t_philo *philos, int num)
 		{
 			i = -1;
 			while (++i < num)
-				philos[i].alive = FALSE;
-			return (TRUE);
+				philos[i].alive = false;
+			return (true);
 		}
 	}
-	return (FALSE);
+	return (false);
 }
diff --git a/philo_one/philo_one.h b/philo_one/philo_one.h
index 498cd49..7badd71 100644
--- a/philo_one/philo_one.h
+++ b/philo_one/philo_one.h
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/11/24 06:11:16 by cacharle          #+#    #+#             */
-/*   Updated: 2020/02/15 01:25:40 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/04/22 13:26:06 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,36 +17,60 @@
 # include <sys/time.h>
 # include <stdlib.h>
 # include <pthread.h>
-# include "common.h"
+# include <stdbool.h>
 
-typedef pthread_mutex_t	t_fork;
+typedef long int	t_time;
 
-typedef struct			s_philo
+typedef enum
 {
-	int					id;
-	t_bool				alive;
-	t_time				time_last_eat;
-	t_philo_state		state;
-	pthread_t			thread;
-}						t_philo;
-
-typedef struct			s_routine_arg
+	EVENT_FORK,
+	EVENT_EAT,
+	EVENT_SLEEP,
+	EVENT_THINK,
+	EVENT_DIE
+}					t_philo_event;
+
+typedef struct
+{
+	int				philo_num;
+	t_time			timeout_death;
+	t_time			timeout_eat;
+	t_time			timeout_sleep;
+	int				meal_num;
+	bool			all_alive;
+	pthread_mutex_t	mutex_stdout;
+	pthread_mutex_t	mutex_all_alive;
+}					t_philo_conf;
+
+typedef struct		s_philo
 {
-	t_philo_args		*args;
-	t_philo				*philo;
-	t_fork				*fork_left;
-	t_fork				*fork_right;
-	pthread_mutex_t		*mutex_stdout;
-}						t_routine_arg;
+	int				id;
+	bool			alive;
+	t_time			time_last_eat;
+	pthread_t		thread;
+}					t_philo;
+
+typedef struct		s_routine_arg
+{
+	t_philo_conf	*conf;
+	t_philo			*philo;
+	pthread_mutex_t	*fork_left;
+	pthread_mutex_t	*fork_right;
+	pthread_mutex_t	*mutex_stdout;
+}					t_routine_arg;
+
+typedef void		(*t_philo_routine)(void *arg);
 
 /*
-** fork.c
+** forks.c
 */
 
-t_fork					*forks_new(int num);
-void					forks_destroy(t_fork *forks, int num);
-t_routine_arg			*forks_dispatch(t_philo *philos,
-										t_fork *forks, t_philo_args *args);
+pthread_mutex_t			*forks_new(int num);
+void					forks_destroy(pthread_mutex_t *forks, int num);
+t_routine_arg			*forks_dispatch(
+							t_philo *philos,
+							pthread_mutex_t *forks,
+							t_philo_conf *conf);
 
 /*
 ** philo.c
@@ -54,10 +78,12 @@ t_routine_arg			*forks_dispatch(t_philo *philos,
 
 t_philo					*philos_new(int num);
 void					philos_destroy(t_philo *philos, int num);
-t_bool					philos_start(t_philo *philos,
-										t_routine_arg *routine_args, int num);
+bool					philos_start(
+							t_philo *philos,
+							t_routine_arg *routine_args,
+							int num);
 void					philos_join(t_philo *philos, int num);
-t_bool					philos_starved(t_philo *philos, int num);
+bool					philos_starved(t_philo *philos, int num);
 
 /*
 ** routine.c
@@ -75,4 +101,24 @@ void					io_think(t_routine_arg *arg);
 void					io_sleep(t_routine_arg *arg);
 void					io_die(t_routine_arg *arg);
 
+/*
+** common.c
+*/
+
+bool					parse_args(
+							t_philo_conf *philo_args,
+							int argc,
+							char **argv);
+
+/*
+** helper.c
+*/
+
+long int				h_atoi_strict_unsigned(char *s);
+void					h_putnbr(unsigned long num);
+void					h_putchar(char c);
+void					h_putstr(char *s);
+void					*h_calloc(int count, int size);
+t_time					h_time_now(void);
+
 #endif
diff --git a/philo_one/routine.c b/philo_one/routine.c
index 89fe95e..69952b1 100644
--- a/philo_one/routine.c
+++ b/philo_one/routine.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/02/10 01:11:27 by cacharle          #+#    #+#             */
-/*   Updated: 2020/02/15 01:25:41 by cacharle         ###   ########.fr       */
+/*   Updated: 2020/04/22 13:39:48 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,16 +18,17 @@ void	*routine_philo(void *void_arg)
 	pthread_t		thread_death;
 
 	arg = (t_routine_arg*)void_arg;
-	if (!arg->args->all_alive)
+	if (!arg->conf->all_alive)
 		return (NULL);
 	arg->philo->time_last_eat = h_time_now();
 	if (pthread_create(&thread_death, NULL, routine_death, arg) != 0)
 		return (NULL);
 	io_think(arg);
-	while (arg->args->all_alive)
+	while (arg->conf->all_alive)
 	{
 		pthread_mutex_lock(arg->fork_left);
 		pthread_mutex_lock(arg->fork_right);
+		arg->philo->time_last_eat = h_time_now();
 		io_eat(arg);
 		pthread_mutex_unlock(arg->fork_right);
 		pthread_mutex_unlock(arg->fork_left);
@@ -45,12 +46,12 @@ void	*routine_death(void *void_arg)
 
 	arg = (t_routine_arg*)void_arg;
 	current = h_time_now();
-	while (arg->args->all_alive &&
-			current - arg->philo->time_last_eat < arg->args->timeout_death)
+	while (arg->conf->all_alive &&
+			current - arg->philo->time_last_eat < arg->conf->timeout_death)
 		current = h_time_now();
 	io_die(arg);
-	pthread_mutex_lock(&arg->args->mutex_all_alive);
-	arg->args->all_alive = FALSE;
-	pthread_mutex_unlock(&arg->args->mutex_all_alive);
+	pthread_mutex_lock(&arg->conf->mutex_all_alive);
+	arg->conf->all_alive = false;
+	pthread_mutex_unlock(&arg->conf->mutex_all_alive);
 	return (NULL);
 }