/** lookup RTT information, and also store fastest rtt (if any) */
static int
iter_fill_rtt(struct iter_env* iter_env, struct module_env* env,
uint8_t* name, size_t namelen, uint16_t qtype, time_t now,
struct delegpt* dp, int* best_rtt, struct sock_list* blacklist)
{
int got_it = 0;
struct delegpt_addr* a;
if(dp->bogus)
return 0; /* NS bogus, all bogus, nothing found */
for(a=dp->result_list; a; a = a->next_result) {
a->sel_rtt = iter_filter_unsuitable(iter_env, env,
name, namelen, qtype, now, a);
if(a->sel_rtt != -1) {
if(sock_list_find(blacklist, &a->addr, a->addrlen))
a->sel_rtt += BLACKLIST_PENALTY;
if(!got_it) {
*best_rtt = a->sel_rtt;
got_it = 1;
} else if(a->sel_rtt < *best_rtt) {
*best_rtt = a->sel_rtt;
}
}
}
return got_it;
}
void sock_list_merge(struct sock_list** list, struct regional* region,
struct sock_list* add)
{
struct sock_list* p;
for(p=add; p; p=p->next) {
if(!sock_list_find(*list, &p->addr, p->len))
sock_list_insert(list, &p->addr, p->len, region);
}
}