diff options
Diffstat (limited to 'semestr-4/sieci/pracownia2/router/dist_vector.h')
-rw-r--r-- | semestr-4/sieci/pracownia2/router/dist_vector.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/semestr-4/sieci/pracownia2/router/dist_vector.h b/semestr-4/sieci/pracownia2/router/dist_vector.h new file mode 100644 index 0000000..14159b4 --- /dev/null +++ b/semestr-4/sieci/pracownia2/router/dist_vector.h @@ -0,0 +1,36 @@ +#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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