void
dns_cache_store_msg(struct module_env* env, struct query_info* qinfo,
hashvalue_t hash, struct reply_info* rep, time_t leeway, int pside,
struct reply_info* qrep, struct regional* region)
{
struct msgreply_entry* e;
time_t ttl = rep->ttl;
size_t i;
/* store RRsets */
for(i=0; i<rep->rrset_count; i++) {
rep->ref[i].key = rep->rrsets[i];
rep->ref[i].id = rep->rrsets[i]->id;
}
/* there was a reply_info_sortref(rep) here but it seems to be
* unnecessary, because the cache gets locked per rrset. */
reply_info_set_ttls(rep, *env->now);
store_rrsets(env, rep, *env->now, leeway, pside, qrep, region);
if(ttl == 0) {
/* we do not store the message, but we did store the RRs,
* which could be useful for delegation information */
verbose(VERB_ALGO, "TTL 0: dropped msg from cache");
free(rep);
return;
}
/* store msg in the cache */
reply_info_sortref(rep);
if(!(e = query_info_entrysetup(qinfo, rep, hash))) {
log_err("store_msg: malloc failed");
return;
}
slabhash_insert(env->msg_cache, hash, &e->entry, rep, env->alloc);
}
void
dns_cache_store_msg(struct module_env* env, struct query_info* qinfo,
hashvalue_type hash, struct reply_info* rep, time_t leeway, int pside,
struct reply_info* qrep, uint32_t flags, struct regional* region)
{
struct msgreply_entry* e;
time_t ttl = rep->ttl;
size_t i;
/* store RRsets */
for(i=0; i<rep->rrset_count; i++) {
rep->ref[i].key = rep->rrsets[i];
rep->ref[i].id = rep->rrsets[i]->id;
}
/* there was a reply_info_sortref(rep) here but it seems to be
* unnecessary, because the cache gets locked per rrset. */
reply_info_set_ttls(rep, *env->now);
store_rrsets(env, rep, *env->now, leeway, pside, qrep, region);
if(ttl == 0 && !(flags & DNSCACHE_STORE_ZEROTTL)) {
/* we do not store the message, but we did store the RRs,
* which could be useful for delegation information */
verbose(VERB_ALGO, "TTL 0: dropped msg from cache");
free(rep);
/* if the message is SERVFAIL in cache, remove that SERVFAIL,
* so that the TTL 0 response can be returned for future
* responses (i.e. don't get answered by the servfail from
* cache, but instead go to recursion to get this TTL0
* response). */
msg_del_servfail(env, qinfo, flags);
return;
}
/* store msg in the cache */
reply_info_sortref(rep);
if(!(e = query_info_entrysetup(qinfo, rep, hash))) {
log_err("store_msg: malloc failed");
return;
}
slabhash_insert(env->msg_cache, hash, &e->entry, rep, env->alloc);
}
