void hash_destroy(hash_t *h)
{
int i;
for (i = 0; i < h->nbins; i++)
while (h->bins[i])
hash_remove_node(h, &h->bins[i]);
free(h->bins);
free(h);
}
/*
* retransmit_missing - Retransmits if no ACK is received.
*
* @param sockfd routing daemon socket identifier
* @param lsa lsa to be retransmitted
* @param dl pointer to direct neihbors table
* @param rt pointer to routing table
* @param lsa_size size of lsa
* @param forwarder_id node id of the forwarder of lsa
* @param ht pointer to objects hash table
*/
void retransmit_missing(int sockfd, LSA *lsa, direct_links *dl, routing_table *rt, int lsa_size, int forwarder_id, liso_hash *ht)
{
int i, num_links;
int port;
char *host;
int node_id;
ack_checkers *curr_checkers;
routing_entry *entry;
if (lsa == NULL)
{
return;
}
curr_checkers = get_routing_entry(rt, lsa->sender_node_id)->checkers_list;
num_links = dl->num_links;
for (i = 1; i < num_links; i++)
{
node_id = ((dl->links)[i]).id;
if (node_id != forwarder_id)
{
if (curr_checkers->checkers[i].ack_received == ACK_NOT_RECEIVED)
{
entry = get_routing_entry(rt, node_id);
if(curr_checkers->checkers[i].retransmit >= RETRANSMIT_TIME -1)
{
if(entry->lsa != NULL){
free(entry->lsa);
}
entry->lsa = NULL;
entry->node_status = STATUS_DOWN;
hash_remove_node(ht,entry->id);
curr_checkers->checkers[i].ack_received = ACK_RECEIVED;
}
else if (entry->node_status != STATUS_DOWN)
{
port = ((dl->links)[i]).route_p;
host = ((dl->links)[i]).host;
rt_sendto(sockfd, lsa, host, port, lsa_size);
curr_checkers->checkers[i].retransmit++;
}
}
}
}
}
