Du kannst nicht mehr als 25 Themen auswählen
Themen müssen entweder mit einem Buchstaben oder einer Ziffer beginnen. Sie können Bindestriche („-“) enthalten und bis zu 35 Zeichen lang sein.
390 Zeilen
11 KiB
390 Zeilen
11 KiB
/* Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
|
Use of this source code is governed by a BSD-style license that can be
|
|
found in the LICENSE file. See the AUTHORS file for names of contributors. */
|
|
|
|
#include "leveldb/c.h"
|
|
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
const char* phase = "";
|
|
static char dbname[200];
|
|
|
|
static void StartPhase(const char* name) {
|
|
fprintf(stderr, "=== Test %s\n", name);
|
|
phase = name;
|
|
}
|
|
|
|
static const char* GetTempDir(void) {
|
|
const char* ret = getenv("TEST_TMPDIR");
|
|
if (ret == NULL || ret[0] == '\0')
|
|
ret = "/tmp";
|
|
return ret;
|
|
}
|
|
|
|
#define CheckNoError(err) \
|
|
if ((err) != NULL) { \
|
|
fprintf(stderr, "%s:%d: %s: %s\n", __FILE__, __LINE__, phase, (err)); \
|
|
abort(); \
|
|
}
|
|
|
|
#define CheckCondition(cond) \
|
|
if (!(cond)) { \
|
|
fprintf(stderr, "%s:%d: %s: %s\n", __FILE__, __LINE__, phase, #cond); \
|
|
abort(); \
|
|
}
|
|
|
|
static void CheckEqual(const char* expected, const char* v, size_t n) {
|
|
if (expected == NULL && v == NULL) {
|
|
// ok
|
|
} else if (expected != NULL && v != NULL && n == strlen(expected) &&
|
|
memcmp(expected, v, n) == 0) {
|
|
// ok
|
|
return;
|
|
} else {
|
|
fprintf(stderr, "%s: expected '%s', got '%s'\n",
|
|
phase,
|
|
(expected ? expected : "(null)"),
|
|
(v ? v : "(null"));
|
|
abort();
|
|
}
|
|
}
|
|
|
|
static void Free(char** ptr) {
|
|
if (*ptr) {
|
|
free(*ptr);
|
|
*ptr = NULL;
|
|
}
|
|
}
|
|
|
|
static void CheckGet(
|
|
leveldb_t* db,
|
|
const leveldb_readoptions_t* options,
|
|
const char* key,
|
|
const char* expected) {
|
|
char* err = NULL;
|
|
size_t val_len;
|
|
char* val;
|
|
val = leveldb_get(db, options, key, strlen(key), &val_len, &err);
|
|
CheckNoError(err);
|
|
CheckEqual(expected, val, val_len);
|
|
Free(&val);
|
|
}
|
|
|
|
static void CheckIter(leveldb_iterator_t* iter,
|
|
const char* key, const char* val) {
|
|
size_t len;
|
|
const char* str;
|
|
str = leveldb_iter_key(iter, &len);
|
|
CheckEqual(key, str, len);
|
|
str = leveldb_iter_value(iter, &len);
|
|
CheckEqual(val, str, len);
|
|
}
|
|
|
|
// Callback from leveldb_writebatch_iterate()
|
|
static void CheckPut(void* ptr,
|
|
const char* k, size_t klen,
|
|
const char* v, size_t vlen) {
|
|
int* state = (int*) ptr;
|
|
CheckCondition(*state < 2);
|
|
switch (*state) {
|
|
case 0:
|
|
CheckEqual("bar", k, klen);
|
|
CheckEqual("b", v, vlen);
|
|
break;
|
|
case 1:
|
|
CheckEqual("box", k, klen);
|
|
CheckEqual("c", v, vlen);
|
|
break;
|
|
}
|
|
(*state)++;
|
|
}
|
|
|
|
// Callback from leveldb_writebatch_iterate()
|
|
static void CheckDel(void* ptr, const char* k, size_t klen) {
|
|
int* state = (int*) ptr;
|
|
CheckCondition(*state == 2);
|
|
CheckEqual("bar", k, klen);
|
|
(*state)++;
|
|
}
|
|
|
|
static void CmpDestroy(void* arg) { }
|
|
|
|
static int CmpCompare(void* arg, const char* a, size_t alen,
|
|
const char* b, size_t blen) {
|
|
int n = (alen < blen) ? alen : blen;
|
|
int r = memcmp(a, b, n);
|
|
if (r == 0) {
|
|
if (alen < blen) r = -1;
|
|
else if (alen > blen) r = +1;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
static const char* CmpName(void* arg) {
|
|
return "foo";
|
|
}
|
|
|
|
// Custom filter policy
|
|
static unsigned char fake_filter_result = 1;
|
|
static void FilterDestroy(void* arg) { }
|
|
static const char* FilterName(void* arg) {
|
|
return "TestFilter";
|
|
}
|
|
static char* FilterCreate(
|
|
void* arg,
|
|
const char* const* key_array, const size_t* key_length_array,
|
|
int num_keys,
|
|
size_t* filter_length) {
|
|
*filter_length = 4;
|
|
char* result = malloc(4);
|
|
memcpy(result, "fake", 4);
|
|
return result;
|
|
}
|
|
unsigned char FilterKeyMatch(
|
|
void* arg,
|
|
const char* key, size_t length,
|
|
const char* filter, size_t filter_length) {
|
|
CheckCondition(filter_length == 4);
|
|
CheckCondition(memcmp(filter, "fake", 4) == 0);
|
|
return fake_filter_result;
|
|
}
|
|
|
|
int main(int argc, char** argv) {
|
|
leveldb_t* db;
|
|
leveldb_comparator_t* cmp;
|
|
leveldb_cache_t* cache;
|
|
leveldb_env_t* env;
|
|
leveldb_options_t* options;
|
|
leveldb_readoptions_t* roptions;
|
|
leveldb_writeoptions_t* woptions;
|
|
char* err = NULL;
|
|
int run = -1;
|
|
|
|
CheckCondition(leveldb_major_version() >= 1);
|
|
CheckCondition(leveldb_minor_version() >= 1);
|
|
|
|
snprintf(dbname, sizeof(dbname),
|
|
"%s/leveldb_c_test-%d",
|
|
GetTempDir(),
|
|
((int) geteuid()));
|
|
|
|
StartPhase("create_objects");
|
|
cmp = leveldb_comparator_create(NULL, CmpDestroy, CmpCompare, CmpName);
|
|
env = leveldb_create_default_env();
|
|
cache = leveldb_cache_create_lru(100000);
|
|
|
|
options = leveldb_options_create();
|
|
leveldb_options_set_comparator(options, cmp);
|
|
leveldb_options_set_error_if_exists(options, 1);
|
|
leveldb_options_set_cache(options, cache);
|
|
leveldb_options_set_env(options, env);
|
|
leveldb_options_set_info_log(options, NULL);
|
|
leveldb_options_set_write_buffer_size(options, 100000);
|
|
leveldb_options_set_paranoid_checks(options, 1);
|
|
leveldb_options_set_max_open_files(options, 10);
|
|
leveldb_options_set_block_size(options, 1024);
|
|
leveldb_options_set_block_restart_interval(options, 8);
|
|
leveldb_options_set_compression(options, leveldb_no_compression);
|
|
|
|
roptions = leveldb_readoptions_create();
|
|
leveldb_readoptions_set_verify_checksums(roptions, 1);
|
|
leveldb_readoptions_set_fill_cache(roptions, 0);
|
|
|
|
woptions = leveldb_writeoptions_create();
|
|
leveldb_writeoptions_set_sync(woptions, 1);
|
|
|
|
StartPhase("destroy");
|
|
leveldb_destroy_db(options, dbname, &err);
|
|
Free(&err);
|
|
|
|
StartPhase("open_error");
|
|
db = leveldb_open(options, dbname, &err);
|
|
CheckCondition(err != NULL);
|
|
Free(&err);
|
|
|
|
StartPhase("leveldb_free");
|
|
db = leveldb_open(options, dbname, &err);
|
|
CheckCondition(err != NULL);
|
|
leveldb_free(err);
|
|
err = NULL;
|
|
|
|
StartPhase("open");
|
|
leveldb_options_set_create_if_missing(options, 1);
|
|
db = leveldb_open(options, dbname, &err);
|
|
CheckNoError(err);
|
|
CheckGet(db, roptions, "foo", NULL);
|
|
|
|
StartPhase("put");
|
|
leveldb_put(db, woptions, "foo", 3, "hello", 5, &err);
|
|
CheckNoError(err);
|
|
CheckGet(db, roptions, "foo", "hello");
|
|
|
|
StartPhase("compactall");
|
|
leveldb_compact_range(db, NULL, 0, NULL, 0);
|
|
CheckGet(db, roptions, "foo", "hello");
|
|
|
|
StartPhase("compactrange");
|
|
leveldb_compact_range(db, "a", 1, "z", 1);
|
|
CheckGet(db, roptions, "foo", "hello");
|
|
|
|
StartPhase("writebatch");
|
|
{
|
|
leveldb_writebatch_t* wb = leveldb_writebatch_create();
|
|
leveldb_writebatch_put(wb, "foo", 3, "a", 1);
|
|
leveldb_writebatch_clear(wb);
|
|
leveldb_writebatch_put(wb, "bar", 3, "b", 1);
|
|
leveldb_writebatch_put(wb, "box", 3, "c", 1);
|
|
leveldb_writebatch_delete(wb, "bar", 3);
|
|
leveldb_write(db, woptions, wb, &err);
|
|
CheckNoError(err);
|
|
CheckGet(db, roptions, "foo", "hello");
|
|
CheckGet(db, roptions, "bar", NULL);
|
|
CheckGet(db, roptions, "box", "c");
|
|
int pos = 0;
|
|
leveldb_writebatch_iterate(wb, &pos, CheckPut, CheckDel);
|
|
CheckCondition(pos == 3);
|
|
leveldb_writebatch_destroy(wb);
|
|
}
|
|
|
|
StartPhase("iter");
|
|
{
|
|
leveldb_iterator_t* iter = leveldb_create_iterator(db, roptions);
|
|
CheckCondition(!leveldb_iter_valid(iter));
|
|
leveldb_iter_seek_to_first(iter);
|
|
CheckCondition(leveldb_iter_valid(iter));
|
|
CheckIter(iter, "box", "c");
|
|
leveldb_iter_next(iter);
|
|
CheckIter(iter, "foo", "hello");
|
|
leveldb_iter_prev(iter);
|
|
CheckIter(iter, "box", "c");
|
|
leveldb_iter_prev(iter);
|
|
CheckCondition(!leveldb_iter_valid(iter));
|
|
leveldb_iter_seek_to_last(iter);
|
|
CheckIter(iter, "foo", "hello");
|
|
leveldb_iter_seek(iter, "b", 1);
|
|
CheckIter(iter, "box", "c");
|
|
leveldb_iter_get_error(iter, &err);
|
|
CheckNoError(err);
|
|
leveldb_iter_destroy(iter);
|
|
}
|
|
|
|
StartPhase("approximate_sizes");
|
|
{
|
|
int i;
|
|
int n = 20000;
|
|
char keybuf[100];
|
|
char valbuf[100];
|
|
uint64_t sizes[2];
|
|
const char* start[2] = { "a", "k00000000000000010000" };
|
|
size_t start_len[2] = { 1, 21 };
|
|
const char* limit[2] = { "k00000000000000010000", "z" };
|
|
size_t limit_len[2] = { 21, 1 };
|
|
leveldb_writeoptions_set_sync(woptions, 0);
|
|
for (i = 0; i < n; i++) {
|
|
snprintf(keybuf, sizeof(keybuf), "k%020d", i);
|
|
snprintf(valbuf, sizeof(valbuf), "v%020d", i);
|
|
leveldb_put(db, woptions, keybuf, strlen(keybuf), valbuf, strlen(valbuf),
|
|
&err);
|
|
CheckNoError(err);
|
|
}
|
|
leveldb_approximate_sizes(db, 2, start, start_len, limit, limit_len, sizes);
|
|
CheckCondition(sizes[0] > 0);
|
|
CheckCondition(sizes[1] > 0);
|
|
}
|
|
|
|
StartPhase("property");
|
|
{
|
|
char* prop = leveldb_property_value(db, "nosuchprop");
|
|
CheckCondition(prop == NULL);
|
|
prop = leveldb_property_value(db, "leveldb.stats");
|
|
CheckCondition(prop != NULL);
|
|
Free(&prop);
|
|
}
|
|
|
|
StartPhase("snapshot");
|
|
{
|
|
const leveldb_snapshot_t* snap;
|
|
snap = leveldb_create_snapshot(db);
|
|
leveldb_delete(db, woptions, "foo", 3, &err);
|
|
CheckNoError(err);
|
|
leveldb_readoptions_set_snapshot(roptions, snap);
|
|
CheckGet(db, roptions, "foo", "hello");
|
|
leveldb_readoptions_set_snapshot(roptions, NULL);
|
|
CheckGet(db, roptions, "foo", NULL);
|
|
leveldb_release_snapshot(db, snap);
|
|
}
|
|
|
|
StartPhase("repair");
|
|
{
|
|
leveldb_close(db);
|
|
leveldb_options_set_create_if_missing(options, 0);
|
|
leveldb_options_set_error_if_exists(options, 0);
|
|
leveldb_repair_db(options, dbname, &err);
|
|
CheckNoError(err);
|
|
db = leveldb_open(options, dbname, &err);
|
|
CheckNoError(err);
|
|
CheckGet(db, roptions, "foo", NULL);
|
|
CheckGet(db, roptions, "bar", NULL);
|
|
CheckGet(db, roptions, "box", "c");
|
|
leveldb_options_set_create_if_missing(options, 1);
|
|
leveldb_options_set_error_if_exists(options, 1);
|
|
}
|
|
|
|
StartPhase("filter");
|
|
for (run = 0; run < 2; run++) {
|
|
// First run uses custom filter, second run uses bloom filter
|
|
CheckNoError(err);
|
|
leveldb_filterpolicy_t* policy;
|
|
if (run == 0) {
|
|
policy = leveldb_filterpolicy_create(
|
|
NULL, FilterDestroy, FilterCreate, FilterKeyMatch, FilterName);
|
|
} else {
|
|
policy = leveldb_filterpolicy_create_bloom(10);
|
|
}
|
|
|
|
// Create new database
|
|
leveldb_close(db);
|
|
leveldb_destroy_db(options, dbname, &err);
|
|
leveldb_options_set_filter_policy(options, policy);
|
|
db = leveldb_open(options, dbname, &err);
|
|
CheckNoError(err);
|
|
leveldb_put(db, woptions, "foo", 3, "foovalue", 8, &err);
|
|
CheckNoError(err);
|
|
leveldb_put(db, woptions, "bar", 3, "barvalue", 8, &err);
|
|
CheckNoError(err);
|
|
leveldb_compact_range(db, NULL, 0, NULL, 0);
|
|
|
|
fake_filter_result = 1;
|
|
CheckGet(db, roptions, "foo", "foovalue");
|
|
CheckGet(db, roptions, "bar", "barvalue");
|
|
if (phase == 0) {
|
|
// Must not find value when custom filter returns false
|
|
fake_filter_result = 0;
|
|
CheckGet(db, roptions, "foo", NULL);
|
|
CheckGet(db, roptions, "bar", NULL);
|
|
fake_filter_result = 1;
|
|
|
|
CheckGet(db, roptions, "foo", "foovalue");
|
|
CheckGet(db, roptions, "bar", "barvalue");
|
|
}
|
|
leveldb_options_set_filter_policy(options, NULL);
|
|
leveldb_filterpolicy_destroy(policy);
|
|
}
|
|
|
|
StartPhase("cleanup");
|
|
leveldb_close(db);
|
|
leveldb_options_destroy(options);
|
|
leveldb_readoptions_destroy(roptions);
|
|
leveldb_writeoptions_destroy(woptions);
|
|
leveldb_cache_destroy(cache);
|
|
leveldb_comparator_destroy(cmp);
|
|
leveldb_env_destroy(env);
|
|
|
|
fprintf(stderr, "PASS\n");
|
|
return 0;
|
|
}
|