Codexion/codexion.h at main · codebit-hub/Codexion · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   codexion.h                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dporhomo <dporhomo@student.42prague.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/06/02 16:06:14 by dporhomo          #+#    #+#             */
/*   Updated: 2026/06/15 13:15:24 by dporhomo         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#ifndef CODEXION_H
# define CODEXION_H

# include <unistd.h>
# include <stdlib.h>
# include <stdio.h>
# include <string.h>
# include <sys/time.h>
# include <pthread.h>
# include <limits.h> /*llong_max, heap removal*/

/* Scheduler*/
typedef struct s_request
{
	int				coder_id;
	long long		req_time; /*time of request used in fifo*/
	long long		deadline; /*time to_burn_out used in edf*/
}	t_request;

/* Queue*/
typedef struct s_pqueue
{
	int				size; /*dynamic value, num of coders waiting in pq*/
	int				capacity; /*max allocated memory for array; safety buffer*/
	int				is_edf;
	t_request		*heap; /*actual array of t_requests based on capacity*/
}	t_pqueue;

/* Program*/
typedef struct s_program
{
	int				num_coders;
	int				t_burnout;
	int				t_compile;
	int				t_debug;
	int				t_refactor;
	int				req_compiles;
	int				cooldown;
	int				is_edf; /* 0 for FIFO, 1 for EDF*/
	long long		start_time;
	int				sim_active;
	long long		*dongle_ready_time;
	pthread_mutex_t	*dongles;
	pthread_mutex_t	print_lock;
	pthread_mutex_t	arbitrator;
	pthread_mutex_t	state_lock;
	pthread_cond_t	*coder_cond;
	t_pqueue		pq;
	pthread_t		monitor_thread;
}	t_program;

/* Coders*/
typedef struct s_coder
{
	int			id;
	int			left_dongle;
	int			right_dongle;
	int			compiles_done;
	long long	last_compile;
	pthread_t	thread_id;
	t_program	*prog;
}	t_coder;

/* Parser*/
int				parse_input(int argc, char **argv, t_program *prog);

/* Utils*/
int				pq_init(t_pqueue *pq, int capacity, int is_edf);
void			pq_free(t_pqueue *pq);
void			pq_swap(t_pqueue *pq, int i, int j);
int				pq_compare(t_pqueue *pq, int i, int j);
int				pq_push(t_pqueue *pq, t_request req);
int				pq_remove_coder(t_pqueue *pq, int coder_id);

/* Time Mgt*/
long long		get_current_time(void);
void			ft_usleep(long long time_in_ms);
struct timespec	ms_to_timespec(long long target_time_ms);

/* Threading and Lifecycle*/
int				init_mutexes_and_coders(t_program *prog, t_coder **coders);
void			clean_mutexes_and_coders(t_program *prog, t_coder *coders);
void			print_status(t_coder *coder, char *status);
void			*coder_routine(void *arg);

/* Operating and monitoring dongles*/
void			wait_for_dongles(t_coder *coder);
void			lock_dongles(t_coder *coder);
int				shares_dongle(t_coder *me, int other_id);
int				can_compile(t_coder *coder);
int				grab_dongles(t_coder *coder);
void			drop_dongles(t_coder *coder);
void			*monitor_routine(void *arg);

/* State Lock Utils */
int				read_sim_active(t_program *prog);
void			set_sim_finished(t_program *prog);
long long		read_last_compile(t_coder *coder);
void			update_last_compile(t_coder *coder);
int				read_compiles_done(t_coder *coder);
void			increment_compiles_done(t_coder *coder);

#endif