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/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#include <nxt_main.h>
static nxt_int_t
nxt_lvlhsh_unit_test_key_test(nxt_lvlhsh_query_t *lhq, void *data)
{
if (*(uintptr_t *) lhq->key.start == (uintptr_t) data) {
return NXT_OK;
}
return NXT_DECLINED;
}
static void *
nxt_lvlhsh_unit_test_pool_alloc(void *pool, size_t size, nxt_uint_t nalloc)
{
return nxt_mp_align(pool, size, size);
}
static void
nxt_lvlhsh_unit_test_pool_free(void *pool, void *p, size_t size)
{
nxt_mp_free(pool, p);
}
static const nxt_lvlhsh_proto_t malloc_proto nxt_aligned(64) = {
//NXT_LVLHSH_LARGE_MEMALIGN,
NXT_LVLHSH_DEFAULT,
0,
nxt_lvlhsh_unit_test_key_test,
nxt_lvlhsh_alloc,
nxt_lvlhsh_free,
};
static const nxt_lvlhsh_proto_t pool_proto nxt_aligned(64) = {
NXT_LVLHSH_LARGE_SLAB,
0,
nxt_lvlhsh_unit_test_key_test,
nxt_lvlhsh_unit_test_pool_alloc,
nxt_lvlhsh_unit_test_pool_free,
};
static nxt_int_t
nxt_lvlhsh_unit_test_add(nxt_lvlhsh_t *lh, const nxt_lvlhsh_proto_t *proto,
void *pool, uintptr_t key)
{
nxt_lvlhsh_query_t lhq;
lhq.key_hash = key;
lhq.replace = 0;
lhq.key.length = sizeof(uintptr_t);
lhq.key.start = (u_char *) &key;
lhq.value = (void *) key;
lhq.proto = proto;
lhq.pool = pool;
switch (nxt_lvlhsh_insert(lh, &lhq)) {
case NXT_OK:
return NXT_OK;
case NXT_DECLINED:
nxt_thread_log_alert("lvlhsh unit test failed: "
"key %p is already in hash", key);
/* Fall through. */
default:
return NXT_ERROR;
}
}
static nxt_int_t
nxt_lvlhsh_unit_test_get(nxt_lvlhsh_t *lh, const nxt_lvlhsh_proto_t *proto,
uintptr_t key)
{
nxt_lvlhsh_query_t lhq;
lhq.key_hash = key;
lhq.key.length = sizeof(uintptr_t);
lhq.key.start = (u_char *) &key;
lhq.proto = proto;
if (nxt_lvlhsh_find(lh, &lhq) == NXT_OK) {
if (key == (uintptr_t) lhq.value) {
return NXT_OK;
}
}
nxt_thread_log_alert("lvlhsh unit test failed: "
"key %p not found in hash", key);
return NXT_ERROR;
}
static nxt_int_t
nxt_lvlhsh_unit_test_delete(nxt_lvlhsh_t *lh, const nxt_lvlhsh_proto_t *proto,
void *pool, uintptr_t key)
{
nxt_int_t ret;
nxt_lvlhsh_query_t lhq;
lhq.key_hash = key;
lhq.key.length = sizeof(uintptr_t);
lhq.key.start = (u_char *) &key;
lhq.proto = proto;
lhq.pool = pool;
ret = nxt_lvlhsh_delete(lh, &lhq);
if (ret != NXT_OK) {
nxt_thread_log_alert("lvlhsh unit test failed: "
"key %p not found in hash", key);
}
return ret;
}
nxt_int_t
nxt_lvlhsh_unit_test(nxt_thread_t *thr, nxt_uint_t n, nxt_bool_t use_pool)
{
uintptr_t key;
nxt_mp_t *mp;
nxt_nsec_t start, end;
nxt_uint_t i;
nxt_lvlhsh_t lh;
nxt_lvlhsh_each_t lhe;
const nxt_lvlhsh_proto_t *proto;
const size_t min_chunk_size = 32;
const size_t page_size = 1024;
const size_t page_alignment = 128;
const size_t cluster_size = 4096;
nxt_thread_time_update(thr);
start = nxt_thread_monotonic_time(thr);
if (use_pool) {
mp = nxt_mp_create(cluster_size, page_alignment, page_size,
min_chunk_size);
if (mp == NULL) {
return NXT_ERROR;
}
nxt_log_error(NXT_LOG_NOTICE, thr->log,
"lvlhsh unit test started: %uD pool", n);
proto = &pool_proto;
} else {
nxt_log_error(NXT_LOG_NOTICE, thr->log,
"lvlhsh unit test started: %uD malloc", n);
proto = &malloc_proto;
mp = NULL;
}
nxt_memzero(&lh, sizeof(nxt_lvlhsh_t));
key = 0;
for (i = 0; i < n; i++) {
key = nxt_murmur_hash2(&key, sizeof(uint32_t));
if (nxt_lvlhsh_unit_test_add(&lh, proto, mp, key) != NXT_OK) {
nxt_log_error(NXT_LOG_NOTICE, thr->log,
"lvlhsh add unit test failed at %ui", i);
return NXT_ERROR;
}
}
key = 0;
for (i = 0; i < n; i++) {
key = nxt_murmur_hash2(&key, sizeof(uint32_t));
if (nxt_lvlhsh_unit_test_get(&lh, proto, key) != NXT_OK) {
return NXT_ERROR;
}
}
nxt_memzero(&lhe, sizeof(nxt_lvlhsh_each_t));
lhe.proto = proto;
for (i = 0; i < n + 1; i++) {
if (nxt_lvlhsh_each(&lh, &lhe) == NULL) {
break;
}
}
if (i != n) {
nxt_log_error(NXT_LOG_NOTICE, thr->log,
"lvlhsh each unit test failed at %ui of %ui", i, n);
return NXT_ERROR;
}
key = 0;
for (i = 0; i < n; i++) {
key = nxt_murmur_hash2(&key, sizeof(uint32_t));
if (nxt_lvlhsh_unit_test_delete(&lh, proto, mp, key) != NXT_OK) {
return NXT_ERROR;
}
}
if (mp != NULL) {
if (!nxt_mp_is_empty(mp)) {
nxt_log_error(NXT_LOG_NOTICE, thr->log, "mem pool is not empty");
return NXT_ERROR;
}
nxt_mp_destroy(mp);
}
nxt_thread_time_update(thr);
end = nxt_thread_monotonic_time(thr);
nxt_log_error(NXT_LOG_NOTICE, thr->log, "lvlhsh unit test passed: %0.3fs",
(end - start) / 1000000000.0);
return NXT_OK;
}
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