#ifndef _CETHCAN_H
#define _CETHCAN_H

#define _GNU_SOURCE

#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/uio.h>
#include <fcntl.h>
#include <time.h>
#include <assert.h>

#include <event2/event.h>
#include <jansson.h>

extern struct event_base *ev_base;
extern json_t *config;

struct can_user;

struct can_message {
	struct can_user *origin;

	uint32_t daddr;

	uint32_t flags;
#define CAN_MSGF_RTR		(1 << 0)

	size_t dlc;
	uint8_t bytes[8];
};

typedef void (*can_handler)(void *arg, struct can_message *msg);

struct can_user {
	struct can_user *next;

	const char *name;

	void *arg;
	can_handler handler;
};

extern void can_register(struct can_user *user);
extern struct can_user *can_register_alloc(void *arg, can_handler handler,
		const char *fmt, ...);
extern void can_broadcast(struct can_user *origin, struct can_message *msg);
extern void can_init(void);

#endif /* _CETHCAN_H */