hexagram/include/hexagram/capture.h

#ifndef _HEXAGRAM_CAPTURE_H
#define _HEXAGRAM_CAPTURE_H

#include <stdint.h>
#include <sys/types.h>
#include <sys/time.h>
#include <linux/can.h>

#include <hexagram/can.h>

#define HEXAGRAM_CAPTURE_MAGIC          "HCAN"
#define HEXAGRAM_CAPTURE_ENDIAN         0x0a0b0c0d
#define HEXAGRAM_CAPTURE_ENDIAN_SWAPPED 0x0d0c0b0a

typedef struct _hexagram_capture hexagram_capture;

typedef struct _hexagram_capture_header {
    char magic[4];
    uint32_t endian;
} hexagram_capture_header;

typedef struct _hexagram_capture_frame {
    uint32_t  sec,
             usec;
    struct can_frame frame;
} hexagram_capture_frame;

hexagram_capture *hexagram_capture_open_fd(int fd, int flags);

hexagram_capture *hexagram_capture_open_file(const char *file, int flags);

void hexagram_capture_destroy(hexagram_capture *capture);

void hexagram_capture_close(hexagram_capture *capture);

ssize_t hexagram_capture_read(hexagram_capture *capture,
                              struct timeval *timestamp,
                              struct can_frame *frame);

ssize_t hexagram_capture_write(hexagram_capture *capture,
                               struct timeval *timestamp,
                               struct can_frame *frame);

int hexagram_capture_save(hexagram_capture *capture,
                          hexagram_can_if *can_if);

int hexagram_capture_replay(hexagram_capture *capture,
                            hexagram_can_if *can_if,
                            float speed);

#endif /* _HEXAGRAM_CAPTURE_H */