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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include <inttypes.h>
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/print.h>
#include <isc/util.h>
#include <dns/stats.h>
#include <tests/dns.h>
static void
set_typestats(dns_stats_t *stats, dns_rdatatype_t type) {
dns_rdatastatstype_t which;
unsigned int attributes;
attributes = 0;
which = DNS_RDATASTATSTYPE_VALUE(type, attributes);
dns_rdatasetstats_increment(stats, which);
attributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET;
which = DNS_RDATASTATSTYPE_VALUE(type, attributes);
dns_rdatasetstats_increment(stats, which);
}
static void
set_nxdomainstats(dns_stats_t *stats) {
dns_rdatastatstype_t which;
unsigned int attributes;
attributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN;
which = DNS_RDATASTATSTYPE_VALUE(0, attributes);
dns_rdatasetstats_increment(stats, which);
}
static void
mark_stale(dns_stats_t *stats, dns_rdatatype_t type, int from, int to) {
dns_rdatastatstype_t which;
unsigned int attributes;
attributes = from;
which = DNS_RDATASTATSTYPE_VALUE(type, attributes);
dns_rdatasetstats_decrement(stats, which);
attributes |= to;
which = DNS_RDATASTATSTYPE_VALUE(type, attributes);
dns_rdatasetstats_increment(stats, which);
attributes = DNS_RDATASTATSTYPE_ATTR_NXRRSET | from;
which = DNS_RDATASTATSTYPE_VALUE(type, attributes);
dns_rdatasetstats_decrement(stats, which);
attributes |= to;
which = DNS_RDATASTATSTYPE_VALUE(type, attributes);
dns_rdatasetstats_increment(stats, which);
}
static void
mark_nxdomain_stale(dns_stats_t *stats, int from, int to) {
dns_rdatastatstype_t which;
unsigned int attributes;
attributes = DNS_RDATASTATSTYPE_ATTR_NXDOMAIN | from;
which = DNS_RDATASTATSTYPE_VALUE(0, attributes);
dns_rdatasetstats_decrement(stats, which);
attributes |= to;
which = DNS_RDATASTATSTYPE_VALUE(0, attributes);
dns_rdatasetstats_increment(stats, which);
}
#define ATTRIBUTE_SET(y) ((attributes & (y)) != 0)
static void
verify_active_counters(dns_rdatastatstype_t which, uint64_t value, void *arg) {
unsigned int attributes;
#if debug
unsigned int type;
#endif /* if debug */
UNUSED(which);
UNUSED(arg);
attributes = DNS_RDATASTATSTYPE_ATTR(which);
#if debug
type = DNS_RDATASTATSTYPE_BASE(which);
fprintf(stderr, "%s%s%s%s%s/%u, %u\n",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) ? "O" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXRRSET) ? "!" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_ANCIENT) ? "~" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_STALE) ? "#" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) ? "X" : " ",
type, (unsigned)value);
#endif /* if debug */
if ((attributes & DNS_RDATASTATSTYPE_ATTR_ANCIENT) == 0 &&
(attributes & DNS_RDATASTATSTYPE_ATTR_STALE) == 0)
{
assert_int_equal(value, 1);
} else {
assert_int_equal(value, 0);
}
}
static void
verify_stale_counters(dns_rdatastatstype_t which, uint64_t value, void *arg) {
unsigned int attributes;
#if debug
unsigned int type;
#endif /* if debug */
UNUSED(which);
UNUSED(arg);
attributes = DNS_RDATASTATSTYPE_ATTR(which);
#if debug
type = DNS_RDATASTATSTYPE_BASE(which);
fprintf(stderr, "%s%s%s%s%s/%u, %u\n",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) ? "O" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXRRSET) ? "!" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_ANCIENT) ? "~" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_STALE) ? "#" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) ? "X" : " ",
type, (unsigned)value);
#endif /* if debug */
if ((attributes & DNS_RDATASTATSTYPE_ATTR_STALE) != 0) {
assert_int_equal(value, 1);
} else {
assert_int_equal(value, 0);
}
}
static void
verify_ancient_counters(dns_rdatastatstype_t which, uint64_t value, void *arg) {
unsigned int attributes;
#if debug
unsigned int type;
#endif /* if debug */
UNUSED(which);
UNUSED(arg);
attributes = DNS_RDATASTATSTYPE_ATTR(which);
#if debug
type = DNS_RDATASTATSTYPE_BASE(which);
fprintf(stderr, "%s%s%s%s%s/%u, %u\n",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_OTHERTYPE) ? "O" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXRRSET) ? "!" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_ANCIENT) ? "~" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_STALE) ? "#" : " ",
ATTRIBUTE_SET(DNS_RDATASTATSTYPE_ATTR_NXDOMAIN) ? "X" : " ",
type, (unsigned)value);
#endif /* if debug */
if ((attributes & DNS_RDATASTATSTYPE_ATTR_ANCIENT) != 0) {
assert_int_equal(value, 1);
} else {
assert_int_equal(value, 0);
}
}
/*
* Individual unit tests
*/
/*
* Test that rdatasetstats counters are properly set when moving from
* active -> stale -> ancient.
*/
static void
rdatasetstats(void **state, bool servestale) {
unsigned int i;
unsigned int from = 0;
dns_stats_t *stats = NULL;
isc_result_t result;
UNUSED(state);
result = dns_rdatasetstats_create(mctx, &stats);
assert_int_equal(result, ISC_R_SUCCESS);
/* First 255 types. */
for (i = 1; i <= 255; i++) {
set_typestats(stats, (dns_rdatatype_t)i);
}
/* Specials */
set_typestats(stats, (dns_rdatatype_t)1000);
set_nxdomainstats(stats);
/* Check that all active counters are set to appropriately. */
dns_rdatasetstats_dump(stats, verify_active_counters, NULL, 1);
if (servestale) {
/* Mark stale */
for (i = 1; i <= 255; i++) {
mark_stale(stats, (dns_rdatatype_t)i, 0,
DNS_RDATASTATSTYPE_ATTR_STALE);
}
mark_stale(stats, (dns_rdatatype_t)1000, 0,
DNS_RDATASTATSTYPE_ATTR_STALE);
mark_nxdomain_stale(stats, 0, DNS_RDATASTATSTYPE_ATTR_STALE);
/* Check that all counters are set to appropriately. */
dns_rdatasetstats_dump(stats, verify_stale_counters, NULL, 1);
/* Set correct staleness state */
from = DNS_RDATASTATSTYPE_ATTR_STALE;
}
/* Mark ancient */
for (i = 1; i <= 255; i++) {
mark_stale(stats, (dns_rdatatype_t)i, from,
DNS_RDATASTATSTYPE_ATTR_ANCIENT);
}
mark_stale(stats, (dns_rdatatype_t)1000, from,
DNS_RDATASTATSTYPE_ATTR_ANCIENT);
mark_nxdomain_stale(stats, from, DNS_RDATASTATSTYPE_ATTR_ANCIENT);
/*
* Check that all counters are set to appropriately.
*/
dns_rdatasetstats_dump(stats, verify_ancient_counters, NULL, 1);
dns_stats_detach(&stats);
}
/*
* Test that rdatasetstats counters are properly set when moving from
* active -> stale -> ancient.
*/
ISC_RUN_TEST_IMPL(active_stale_ancient) { rdatasetstats(state, true); }
/*
* Test that rdatasetstats counters are properly set when moving from
* active -> ancient.
*/
ISC_RUN_TEST_IMPL(active_ancient) { rdatasetstats(state, false); }
ISC_TEST_LIST_START
ISC_TEST_ENTRY(active_stale_ancient)
ISC_TEST_ENTRY(active_ancient)
ISC_TEST_LIST_END
ISC_TEST_MAIN
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