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#ifndef DIST_VECTOR_H
#define DIST_VECTOR_H
#include "linked_list.h"
#include "network_addr.h"
#include "config.h"
/* Item of the distance vector.
* If <<reachable>> is set to 0, then it means that the network is reachable.
* If <<reachable>> has positive value, then it indicates that the network was
* unreachable for <<reachable>> turns.
*/
struct vector_item {
struct network_addr network;
struct in_addr via_ip;
uint16_t distance;
uint8_t reachable;
bool is_connected_directly;
};
/* Initis distance vector with given neighbours array. */
void init_dv(list_t *dv, int n_cnt, struct network_addr *neighbours);
/* Returns true if given distance vector item is connected directly, false otherwise. */
bool is_connected_directly(struct vector_item item);
/* Updates the distance vector. */
void update_dv_new_item(list_t *distance_vector, struct vector_item new_item);
/* Updates reachabilities. */
void update_dv_reachability(list_t *distance_vector);
/* Print distance vector. */
void print_dv(list_t *distance_vector);
#endif
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