/**
* Check if a hello message states this node as a MPR.
*
* @param message the message to check
* @param n_link the buffer to put the link status in
*
*@return 1 if we are selected as MPR 0 if not
*/
static bool
lookup_mpr_status(const struct hello_message *message, const struct interface *in_if)
{
struct hello_neighbor *neighbors;
for (neighbors = message->neighbors; neighbors; neighbors = neighbors->next) {
if ( neighbors->link != UNSPEC_LINK
&& (olsr_cnf->ip_version == AF_INET
? ip4equal(&neighbors->address.v4, &in_if->ip_addr.v4)
: ip6equal(&neighbors->address.v6, &in_if->int6_addr.sin6_addr))) {
if (neighbors->link == SYM_LINK && neighbors->status == MPR_NEIGH) {
return true;
}
break;
}
}
/* Not found */
return false;
}
/**
* write latlon positions to a file
*/
void mapwrite_work(FILE* fmap)
{
int hash;
struct olsr_if *ifs;
union olsr_ip_addr ip;
struct ipaddr_str strbuf1, strbuf2;
struct tc_entry *tc;
struct tc_edge_entry *tc_edge;
if (!my_names || !fmap) return;
for (ifs = olsr_cnf->interfaces; ifs; ifs = ifs->next)
{
if (0 != ifs->interf)
{
if (olsr_cnf->ip_version == AF_INET)
{
if (!(ip4equal((struct in_addr *)&olsr_cnf->main_addr, &ifs->interf->int_addr.sin_addr)))
{
if (0 > fprintf(fmap, "Mid('%s','%s');\n",
olsr_ip_to_string(&strbuf1, &olsr_cnf->main_addr),
olsr_ip_to_string(&strbuf2, (union olsr_ip_addr *)&ifs->interf->int_addr.sin_addr)))
{
return;
}
}
}
else if (!(ip6equal((struct in6_addr *)&olsr_cnf->main_addr, &ifs->interf->int6_addr.sin6_addr)))
{
if (0 > fprintf(fmap, "Mid('%s','%s');\n",
olsr_ip_to_string(&strbuf1, &olsr_cnf->main_addr),
olsr_ip_to_string(&strbuf2, (union olsr_ip_addr *)&ifs->interf->int6_addr.sin6_addr)))
{
return;
}
}
}
}
for (hash = 0; hash < HASHSIZE; hash++)
{
struct mid_entry *entry = mid_set[hash].next;
while(entry != &mid_set[hash])
{
struct mid_address *alias = entry->aliases;
while(alias)
{
if (0 > fprintf(fmap, "Mid('%s','%s');\n",
olsr_ip_to_string(&strbuf1, &entry->main_addr),
olsr_ip_to_string(&strbuf2, &alias->alias)))
{
return;
}
alias = alias->next_alias;
}
entry = entry->next;
}
}
lookup_defhna_latlon(&ip);
sprintf(my_latlon_str, "%f,%f,%d", my_lat, my_lon, get_isdefhna_latlon());
if (0 > fprintf(fmap, "Self('%s',%s,'%s','%s');\n",
olsr_ip_to_string(&strbuf1, &olsr_cnf->main_addr), my_latlon_str,
olsr_ip_to_string(&strbuf2, &ip), my_names->name))
{
return;
}
for (hash = 0; hash < HASHSIZE; hash++)
{
struct db_entry *entry;
struct list_node *list_head, *list_node;
list_head = &latlon_list[hash];
for (list_node = list_head->next; list_node != list_head;
list_node = list_node->next) {
entry = list2db(list_node);
if (NULL != entry->names)
{
if (0 > fprintf(fmap, "Node('%s',%s,'%s','%s');\n",
olsr_ip_to_string(&strbuf1, &entry->originator),
entry->names->name, olsr_ip_to_string(&strbuf2, &entry->names->ip),
lookup_name_latlon(&entry->originator)))
{
return;
}
}
}
}
OLSR_FOR_ALL_TC_ENTRIES(tc) {
OLSR_FOR_ALL_TC_EDGE_ENTRIES(tc, tc_edge) {
char* lla = lookup_position_latlon(&tc->addr);
char* llb = lookup_position_latlon(&tc_edge->T_dest_addr);
if (NULL != lla && NULL != llb)
{
struct lqtextbuffer lqbuffer, lqbuffer2;
/*
* To speed up processing, Links with both positions are named PLink()
*/
if (0 > fprintf(fmap, "PLink('%s','%s',%s,%s,%s,%s);\n",
olsr_ip_to_string(&strbuf1, &tc_edge->T_dest_addr),
olsr_ip_to_string(&strbuf2, &tc->addr),
get_tc_edge_entry_text(tc_edge, ',', &lqbuffer2),
get_linkcost_text(tc_edge->cost, OLSR_FALSE, &lqbuffer),
lla, llb))
{
return;
}
}
else
{
struct lqtextbuffer lqbuffer, lqbuffer2;
/*
* If one link end pos is unkown, only send Link()
*/
if (0 > fprintf(fmap, "Link('%s','%s',%s,%s);\n",
olsr_ip_to_string(&strbuf1, &tc_edge->T_dest_addr),
olsr_ip_to_string(&strbuf2, &tc->addr),
get_tc_edge_entry_text(tc_edge, ',', &lqbuffer2),
get_linkcost_text(tc_edge->cost, OLSR_FALSE, &lqbuffer)))
{
return;
}
}
} OLSR_FOR_ALL_TC_EDGE_ENTRIES_END(tc, tc_edge);
} OLSR_FOR_ALL_TC_ENTRIES_END(tc);
