int
olsr_delete_neighbor_table(const union olsr_ip_addr *neighbor_addr)
{
struct neighbor_2_list_entry *two_hop_list, *two_hop_to_delete;
olsr_u32_t hash;
struct neighbor_entry *entry;
//printf("inserting neighbor\n");
hash = olsr_ip_hashing(neighbor_addr);
entry = neighbortable[hash].next;
/*
* Find neighbor entry
*/
while(entry != &neighbortable[hash])
{
if(ipequal(&entry->neighbor_main_addr, neighbor_addr))
break;
entry = entry->next;
}
if(entry == &neighbortable[hash])
return 0;
two_hop_list = entry->neighbor_2_list.next;
while (two_hop_list != &entry->neighbor_2_list) {
two_hop_to_delete = two_hop_list;
two_hop_list = two_hop_list->next;
two_hop_to_delete->neighbor_2->neighbor_2_pointer--;
olsr_delete_neighbor_pointer(two_hop_to_delete->neighbor_2,
&entry->neighbor_main_addr);
olsr_del_nbr2_list(two_hop_to_delete);
}
/* Dequeue */
DEQUEUE_ELEM(entry);
free(entry);
changes_neighborhood = OLSR_TRUE;
return 1;
}
/**
* Delete a two hop neighbor from a neighbors two hop neighbor list.
*
* @param neighbor the neighbor to delete the two hop neighbor from.
* @param address the IP address of the two hop neighbor to delete.
*
* @return positive if entry deleted
*/
int
olsr_delete_neighbor_2_pointer(struct neighbor_entry *neighbor, struct neighbor_2_entry *neigh2)
{
struct neighbor_2_list_entry *nbr2_list;
nbr2_list = neighbor->neighbor_2_list.next;
while (nbr2_list != &neighbor->neighbor_2_list) {
if (nbr2_list->neighbor_2 == neigh2) {
olsr_del_nbr2_list(nbr2_list);
return 1;
}
nbr2_list = nbr2_list->next;
}
return 0;
}
/**
* Delete a two hop neighbor from a neighbors two hop neighbor list.
*
* @param neighbor the neighbor to delete the two hop neighbor from.
* @param address the IP address of the two hop neighbor to delete.
*
* @return positive if entry deleted
*/
int
olsr_delete_neighbor_2_pointer(struct neighbor_entry *neighbor, union olsr_ip_addr *address)
{
struct neighbor_2_list_entry *nbr2_list;
nbr2_list = neighbor->neighbor_2_list.next;
while (nbr2_list != &neighbor->neighbor_2_list) {
if (ipequal(&nbr2_list->neighbor_2->neighbor_2_addr, address)) {
olsr_del_nbr2_list(nbr2_list);
return 1;
}
nbr2_list = nbr2_list->next;
}
return 0;
}
/**
* Callback for the nbr2_list timer.
*/
void
olsr_expire_nbr2_list(void *context)
{
struct neighbor_2_list_entry *nbr2_list;
struct neighbor_entry *nbr;
struct neighbor_2_entry *nbr2;
nbr2_list = (struct neighbor_2_list_entry *)context;
nbr2_list->nbr2_list_timer = NULL;
nbr = nbr2_list->nbr2_nbr;
nbr2 = nbr2_list->neighbor_2;
nbr2->neighbor_2_pointer--;
olsr_delete_neighbor_pointer(nbr2, nbr);
olsr_del_nbr2_list(nbr2_list);
}