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Implement global limit for outgoing queries

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This global limit is not reset on query restarts and is a hard limit
for any client request.
This commit is contained in:
Matthijs Mekking
2024-11-11 11:01:50 +01:00
parent ca7d487357
commit 16b3bd1cc7
15 changed files with 132 additions and 54 deletions
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12
lib/dns/adb.c
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@@ -333,7 +333,7 @@ static isc_result_t
dbfind_name(dns_adbname_t *, isc_stdtime_t, dns_rdatatype_t);
static isc_result_t
fetch_name(dns_adbname_t *, bool, unsigned int, isc_counter_t *qc,
dns_rdatatype_t);
isc_counter_t *gqc, dns_rdatatype_t);
static void
destroy(dns_adb_t *);
static void
@@ -1923,7 +1923,7 @@ dns_adb_createfind(dns_adb_t *adb, isc_loop_t *loop, isc_job_cb cb, void *cbarg,
const dns_name_t *name, const dns_name_t *qname,
dns_rdatatype_t qtype ISC_ATTR_UNUSED, unsigned int options,
isc_stdtime_t now, dns_name_t *target, in_port_t port,
unsigned int depth, isc_counter_t *qc,
unsigned int depth, isc_counter_t *qc, isc_counter_t *gqc,
dns_adbfind_t **findp) {
isc_result_t result = ISC_R_UNEXPECTED;
dns_adbfind_t *find = NULL;
@@ -2133,7 +2133,7 @@ fetch:
* Start V4.
*/
if (WANT_INET(wanted_fetches) &&
fetch_name(adbname, start_at_zone, depth, qc,
fetch_name(adbname, start_at_zone, depth, qc, gqc,
dns_rdatatype_a) == ISC_R_SUCCESS)
{
DP(DEF_LEVEL,
@@ -2146,7 +2146,7 @@ fetch:
* Start V6.
*/
if (WANT_INET6(wanted_fetches) &&
fetch_name(adbname, start_at_zone, depth, qc,
fetch_name(adbname, start_at_zone, depth, qc, gqc,
dns_rdatatype_aaaa) == ISC_R_SUCCESS)
{
DP(DEF_LEVEL,
@@ -2952,7 +2952,7 @@ out:
static isc_result_t
fetch_name(dns_adbname_t *adbname, bool start_at_zone, unsigned int depth,
isc_counter_t *qc, dns_rdatatype_t type) {
isc_counter_t *qc, isc_counter_t *gqc, dns_rdatatype_t type) {
isc_result_t result;
dns_adbfetch_t *fetch = NULL;
dns_adb_t *adb = NULL;
@@ -3008,7 +3008,7 @@ fetch_name(dns_adbname_t *adbname, bool start_at_zone, unsigned int depth,
*/
result = dns_resolver_createfetch(
adb->res, adbname->name, type, name, nameservers, NULL, NULL, 0,
options, depth, qc, isc_loop(), fetch_callback, adbname,
options, depth, qc, gqc, isc_loop(), fetch_callback, adbname,
&fetch->rdataset, NULL, &fetch->fetch);
if (result != ISC_R_SUCCESS) {
DP(ENTER_LEVEL, "fetch_name: createfetch failed with %s",