#ifndef OS_FRAME_FUNCS_H
#define OS_FRAME_FUNCS_H

#include <inttypes.h>

///  These are all of the functions that need to be defined in order to create
///  an OS specific driver for the program.

// Different Types of EAPOL Messages we might need.
#define EAPOL_PACKET    0
#define EAPOL_START     1
#define EAPOL_LOGOFF    2
#define EAPOL_KEY       3
#define EAPOL_ASF_ALERT 4

// Different EAPOL codes
#define CODE_REQUEST    1
#define CODE_RESPONSE   2
#define CODE_SUCCESS    3
#define CODE_FAILURE    4

// The EAPOL Type code for the Ethernet Header
#define EAPOL_TYPE_CODE 0x888e

// The structs below are to be used to overlay on a complete frame in order
// to read/edit specific fields in the frame.

struct frame_data {
  u_char dest[6];
  u_char src[6];
  u_char type[2];
};

struct my_eapol_header {
  u_char ether_header[14];
  u_char eapol_version;
  u_char eapol_type;
  uint16_t eapol_length;
};

struct my_eapol_packet {
  uint8_t ether_header[14];
  uint8_t eapol_header_data[4];
  uint8_t code;
  uint8_t identifier;
  uint16_t length;
  uint8_t type;
};

char *get_frame(int);       // Return a pointer to a frame.
char *initalize_frame_funcs(char *, int, int);
u_char *get_src_mac();
char *send_frame(u_char *, int);
char *get_dev_name();
char *get_working_frame();
int shutdown_frame_funcs();
void done_with_current_frame();
int more_frames();
void allow_sleep(int);

#endif