/*

parent class for handling transports

*/

#pragma once

#include "mavlink_msgs.h"

/*

abstraction for opendroneid transports

*/

class Transport {

public:

Transport();

virtual void init(void) = 0;

virtual void update(void) = 0;

uint8_t arm_status_check(const char *&reason);

const mavlink_open_drone_id_location_t &get_location(void) const {

return location;

}

const mavlink_open_drone_id_basic_id_t &get_basic_id(void) const {

return basic_id;

}

const mavlink_open_drone_id_authentication_t &get_authentication(void) const {

return authentication;

}

const mavlink_open_drone_id_self_id_t &get_self_id(void) const {

return self_id;

}

const mavlink_open_drone_id_system_t &get_system(void) const {

return system;

}

const mavlink_open_drone_id_operator_id_t &get_operator_id(void) const {

return operator_id;

}

uint32_t get_last_location_ms(void) const {

return last_location_ms;

}

uint32_t get_last_system_ms(void) const {

return last_system_ms;

}

void set_parse_fail(const char *msg) {

parse_fail = msg;

}

const char *get_parse_fail(void) {

return parse_fail;

}

protected:

// common variables between transports. The last message of each

// type, no matter what transport it was on, wins

static const char *parse_fail;

static uint32_t last_location_ms;

static uint32_t last_basic_id_ms;

static uint32_t last_self_id_ms;

static uint32_t last_operator_id_ms;

static uint32_t last_system_ms;

static uint32_t last_system_timestamp;

static float last_location_timestamp;

static mavlink_open_drone_id_location_t location;

static mavlink_open_drone_id_basic_id_t basic_id;

static mavlink_open_drone_id_authentication_t authentication;

static mavlink_open_drone_id_self_id_t self_id;

static mavlink_open_drone_id_system_t system;

static mavlink_open_drone_id_operator_id_t operator_id;

void make_session_key(uint8_t key[8]) const;

/*

check signature in a command against public keys

*/

bool check_signature(uint8_t sig_length, uint8_t data_len, uint32_t sequence, uint32_t operation,

const uint8_t *data);

uint8_t session_key[8];

};