static int rosedb_query_txn(MDB_txn *txn, MDB_dbi dbi, knot_pkt_t *pkt, struct query_data *qdata)
{
struct iter it;
int ret = KNOT_EOK;
/* Find suffix for QNAME. */
const knot_dname_t *qname = knot_pkt_qname(qdata->query);
const knot_dname_t *key = qname;
while (key) {
ret = cache_query_fetch(txn, dbi, &it, key);
if (ret == 0) { /* Found */
break;
}
if (*key == '\0') { /* Last label, not found. */
return KNOT_ENOENT;
}
key = knot_wire_next_label(key, qdata->query->wire);
}
/* Synthetize record to response. */
ret = rosedb_synth(pkt, key, &it, qdata);
cache_iter_free(&it);
return ret;
}
static int rosedb_get(struct cache *cache, MDB_txn *txn, int argc, char *argv[])
{
knot_dname_t key[KNOT_DNAME_MAXLEN] = { '\0' };
knot_dname_from_str(key, argv[0], sizeof(key));
knot_dname_to_lower(key);
char type_str[16] = { '\0' };
struct iter it;
int ret = cache_query_fetch(txn, cache->dbi, &it, key);
while (ret == 0) {
struct entry entry;
cache_iter_val(&it, &entry);
knot_rdata_t *rd = knot_rdataset_at(&entry.data.rrs, 0);
knot_rrtype_to_string(entry.data.type, type_str, sizeof(type_str));
printf("%s\t%s\tTTL=%u\tRDLEN=%u\t%s\t%s\n", argv[0], type_str,
knot_rdata_ttl(rd), knot_rdata_rdlen(rd), entry.threat_code, entry.syslog_ip);
if (cache_iter_next(&it) != 0) {
break;
}
}
cache_iter_free(&it);
return ret;
}
int cache_query_fetch(MDB_txn *txn, MDB_dbi dbi, struct iter *it, const knot_dname_t *name)
{
it->cur = cursor_acquire(txn, dbi);
if (it->cur == NULL) {
return KNOT_ERROR;
}
int ret = cache_iter_begin(it, name);
if (ret != 0) {
cache_iter_free(it);
return KNOT_ENOENT;
}
return KNOT_EOK;
}