diff options
Diffstat (limited to 'tests/knot/test_zone-update.c')
-rw-r--r-- | tests/knot/test_zone-update.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/tests/knot/test_zone-update.c b/tests/knot/test_zone-update.c new file mode 100644 index 0000000..1346aaf --- /dev/null +++ b/tests/knot/test_zone-update.c @@ -0,0 +1,337 @@ +/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include <assert.h> +#include <pthread.h> +#include <tap/basic.h> +#include <tap/files.h> +#include <unistd.h> + +#include "test_conf.h" +#include "contrib/getline.h" +#include "knot/server/server.h" +#include "knot/updates/zone-update.h" +#include "knot/zone/adjust.h" +#include "knot/zone/node.h" +#include "libzscanner/scanner.h" + +static const char *zone_str1 = "test. 600 IN SOA ns.test. m.test. 1 900 300 4800 900 \n"; +static const char *zone_str2 = "test. 600 IN TXT \"test\"\n"; +static const char *add_str = "test. 600 IN TXT \"test2\"\n"; +static const char *del_str = "test. 600 IN TXT \"test\"\n"; +static const char *node_str1 = "node.test. 601 IN TXT \"abc\"\n"; +static const char *node_str2 = "node.test. 601 IN TXT \"def\"\n"; + +knot_rrset_t rrset; + +/*!< \brief Returns true if node contains given RR in its RRSets. */ +static bool node_contains_rr(const zone_node_t *node, const knot_rrset_t *data) +{ + const knot_rdataset_t *zone_rrs = node_rdataset(node, data->type); + if (zone_rrs != NULL) { + knot_rdata_t *rr = data->rrs.rdata; + for (size_t i = 0; i < data->rrs.count; ++i) { + if (!knot_rdataset_member(zone_rrs, rr)) { + return false; + } + rr = knot_rdataset_next(rr); + } + + return true; + } else { + return false; + } +} + +static void process_rr(zs_scanner_t *scanner) +{ + knot_rrset_init(&rrset, scanner->r_owner, scanner->r_type, scanner->r_class, + scanner->r_ttl); + + int ret = knot_rrset_add_rdata(&rrset, scanner->r_data, + scanner->r_data_length, NULL); + (void)ret; + assert(ret == KNOT_EOK); +} + +static int rr_data_cmp(struct rr_data *a, struct rr_data *b) +{ + if (a->type != b->type) { + return 1; + } + if (a->ttl != b->ttl) { + return 1; + } + if (a->rrs.count != b->rrs.count) { + return 1; + } + if (a->rrs.rdata != b->rrs.rdata) { + return 1; + } + if (a->additional != b->additional) { + return 1; + } + return 0; +} + +static int test_node_unified(zone_node_t *n1, _unused_ void *v) +{ + zone_node_t *n2 = binode_node(n1, false); + if (n2 == n1) { + n2 = binode_node(n1, true); + } + ok(n1->owner == n2->owner, "binode %s has equal %s owner", n1->owner, n2->owner); + ok(n1->rrset_count == n2->rrset_count, "binode %s has equal rrset_count", n1->owner); + for (uint16_t i = 0; i < n1->rrset_count; i++) { + ok(rr_data_cmp(&n1->rrs[i], &n2->rrs[i]) == 0, "binode %s has equal rrs", n1->owner); + } + if (n1->flags & NODE_FLAGS_BINODE) { + ok((n1->flags ^ n2->flags) == NODE_FLAGS_SECOND, "binode %s has correct flags", n1->owner); + } + ok(n1->children == n2->children, "binode %s has equal children count", n1->owner); + return KNOT_EOK; +} + +static void test_zone_unified(zone_t *z) +{ + knot_sem_wait(&z->cow_lock); + zone_tree_apply(z->contents->nodes, test_node_unified, NULL); + knot_sem_post(&z->cow_lock); +} + +void test_full(zone_t *zone, zs_scanner_t *sc) +{ + zone_update_t update; + /* Init update */ + int ret = zone_update_init(&update, zone, UPDATE_FULL); + is_int(KNOT_EOK, ret, "zone update: init full"); + + if (zs_set_input_string(sc, zone_str1, strlen(zone_str1)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + + /* First addition */ + ret = zone_update_add(&update, &rrset); + knot_rdataset_clear(&rrset.rrs, NULL); + is_int(KNOT_EOK, ret, "full zone update: first addition"); + + if (zs_set_input_string(sc, zone_str2, strlen(zone_str2)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + + /* Second addition */ + ret = zone_update_add(&update, &rrset); + zone_node_t *node = (zone_node_t *) zone_update_get_node(&update, rrset.owner); + bool rrset_present = node_contains_rr(node, &rrset); + ok(ret == KNOT_EOK && rrset_present, "full zone update: second addition"); + + /* Removal */ + ret = zone_update_remove(&update, &rrset); + node = (zone_node_t *) zone_update_get_node(&update, rrset.owner); + rrset_present = node_contains_rr(node, &rrset); + ok(ret == KNOT_EOK && !rrset_present, "full zone update: removal"); + + /* Last addition */ + ret = zone_update_add(&update, &rrset); + node = (zone_node_t *) zone_update_get_node(&update, rrset.owner); + rrset_present = node_contains_rr(node, &rrset); + ok(ret == KNOT_EOK && rrset_present, "full zone update: last addition"); + + knot_rdataset_clear(&rrset.rrs, NULL); + + /* Prepare node removal */ + if (zs_set_input_string(sc, node_str1, strlen(node_str1)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + ret = zone_update_add(&update, &rrset); + assert(ret == KNOT_EOK); + knot_rdataset_clear(&rrset.rrs, NULL); + + if (zs_set_input_string(sc, node_str2, strlen(node_str2)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + ret = zone_update_add(&update, &rrset); + assert(ret == KNOT_EOK); + knot_rdataset_clear(&rrset.rrs, NULL); + knot_dname_t *rem_node_name = knot_dname_from_str_alloc("node.test"); + node = (zone_node_t *) zone_update_get_node(&update, rem_node_name); + assert(node && node_rdataset(node, KNOT_RRTYPE_TXT)->count == 2); + /* Node removal */ + ret = zone_update_remove_node(&update, rem_node_name); + node = (zone_node_t *) zone_update_get_node(&update, rem_node_name); + ok(ret == KNOT_EOK && !node, "full zone update: node removal"); + knot_dname_free(rem_node_name, NULL); + + /* Re-add a node for later incremental functionality test */ + if (zs_set_input_string(sc, node_str1, strlen(node_str1)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + ret = zone_update_add(&update, &rrset); + assert(ret == KNOT_EOK); + knot_rdataset_clear(&rrset.rrs, NULL); + + /* Commit */ + ret = zone_update_commit(conf(), &update); + node = zone_contents_find_node_for_rr(zone->contents, &rrset); + rrset_present = node_contains_rr(node, &rrset); + ok(ret == KNOT_EOK && rrset_present, "full zone update: commit (max TTL: %u)", zone->contents->max_ttl); + + test_zone_unified(zone); + + knot_rdataset_clear(&rrset.rrs, NULL); +} + +void test_incremental(zone_t *zone, zs_scanner_t *sc) +{ + int ret = KNOT_EOK; + + /* Init update */ + zone_update_t update; + zone_update_init(&update, zone, UPDATE_INCREMENTAL); + ok(update.zone == zone && changeset_empty(&update.change), + "incremental zone update: init"); + + if (zs_set_input_string(sc, add_str, strlen(add_str)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + + /* Addition */ + ret = zone_update_add(&update, &rrset); + knot_rdataset_clear(&rrset.rrs, NULL); + is_int(KNOT_EOK, ret, "incremental zone update: addition"); + + const zone_node_t *synth_node = update.new_cont->apex; + ok(synth_node && node_rdataset(synth_node, KNOT_RRTYPE_TXT)->count == 2, + "incremental zone update: add change"); + + if (zs_set_input_string(sc, del_str, strlen(del_str)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + /* Removal */ + ret = zone_update_remove(&update, &rrset); + is_int(KNOT_EOK, ret, "incremental zone update: removal"); + knot_rdataset_clear(&rrset.rrs, NULL); + + ok(node_rdataset(synth_node, KNOT_RRTYPE_TXT)->count == 1, + "incremental zone update: del change"); + + /* Prepare node removal */ + if (zs_set_input_string(sc, node_str2, strlen(node_str2)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + ret = zone_update_add(&update, &rrset); + assert(ret == KNOT_EOK); + knot_rdataset_clear(&rrset.rrs, NULL); + + knot_dname_t *rem_node_name = knot_dname_from_str_alloc("node.test"); + synth_node = zone_update_get_node(&update, rem_node_name); + assert(synth_node && node_rdataset(synth_node, KNOT_RRTYPE_TXT)->count == 2); + /* Node Removal */ + ret = zone_update_remove_node(&update, rem_node_name); + synth_node = zone_update_get_node(&update, rem_node_name); + ok(ret == KNOT_EOK && !synth_node, + "incremental zone update: node removal"); + knot_dname_free(rem_node_name, NULL); + + /* Re-add a node for later incremental functionality test */ + if (zs_set_input_string(sc, node_str1, strlen(node_str1)) != 0 || + zs_parse_all(sc) != 0) { + assert(0); + } + ret = zone_update_add(&update, &rrset); + assert(ret == KNOT_EOK); + knot_rdataset_clear(&rrset.rrs, NULL); + + /* Commit */ + ret = zone_update_commit(conf(), &update); + const zone_node_t *iter_node = zone_contents_find_node_for_rr(zone->contents, &rrset); + bool rrset_present = node_contains_rr(iter_node, &rrset); + ok(ret == KNOT_EOK && rrset_present, "incremental zone update: commit"); + + test_zone_unified(zone); + + knot_rdataset_clear(&rrset.rrs, NULL); + + size_t zone_size1 = zone->contents->size; + uint32_t zone_max_ttl1 = zone->contents->max_ttl; + ret = zone_adjust_full(zone->contents, 2); + ok(ret == KNOT_EOK, "zone adjust full shall work"); + size_t zone_size2 = zone->contents->size; + uint32_t zone_max_ttl2 = zone->contents->max_ttl; + ok(zone_size1 == zone_size2, "zone size measured the same incremental vs full (%zu, %zu)", zone_size1, zone_size2); + ok(zone_max_ttl1 == zone_max_ttl2, "zone max TTL measured the same incremental vs full (%u, %u)", zone_max_ttl1, zone_max_ttl2); + // TODO test more things after re-adjust, search for non-unified bi-nodes +} + +int main(int argc, char *argv[]) +{ + plan_lazy(); + + char *temp_dir = test_mkdtemp(); + ok(temp_dir != NULL, "make temporary directory"); + + char conf_str[512]; + snprintf(conf_str, sizeof(conf_str), + "zone:\n" + " - domain: test.\n" + "database:\n" + " journal-db-max-size: 100M\n" + " storage: %s\n", + temp_dir); + + /* Load test configuration. */ + int ret = test_conf(conf_str, NULL); + is_int(KNOT_EOK, ret, "load configuration"); + + server_t server; + ret = server_init(&server, 1); + is_int(KNOT_EOK, ret, "server init"); + + /* Set up empty zone */ + knot_dname_t *apex = knot_dname_from_str_alloc("test"); + assert(apex); + zone_t *zone = zone_new(apex); + zone->server = &server; + + /* Setup zscanner */ + zs_scanner_t sc; + if (zs_init(&sc, "test.", KNOT_CLASS_IN, 3600) != 0 || + zs_set_processing(&sc, process_rr, NULL, NULL) != 0) { + assert(0); + } + + /* Test FULL update, commit it and use the result to test the INCREMENTAL update */ + test_full(zone, &sc); + test_incremental(zone, &sc); + + zs_deinit(&sc); + zone_free(&zone); + server_deinit(&server); + knot_dname_free(apex, NULL); + conf_free(conf()); + test_rm_rf(temp_dir); + free(temp_dir); + + return 0; +} |