641 lines
20 KiB
C
641 lines
20 KiB
C
/* Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file. See the AUTHORS file for names of contributors. */
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#include "rocksdb/c.h"
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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const char* phase = "";
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static char dbname[200];
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static void StartPhase(const char* name) {
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fprintf(stderr, "=== Test %s\n", name);
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phase = name;
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}
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static const char* GetTempDir(void) {
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const char* ret = getenv("TEST_TMPDIR");
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if (ret == NULL || ret[0] == '\0')
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ret = "/tmp";
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return ret;
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}
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#define CheckNoError(err) \
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if ((err) != NULL) { \
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fprintf(stderr, "%s:%d: %s: %s\n", __FILE__, __LINE__, phase, (err)); \
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abort(); \
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}
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#define CheckCondition(cond) \
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if (!(cond)) { \
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fprintf(stderr, "%s:%d: %s: %s\n", __FILE__, __LINE__, phase, #cond); \
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abort(); \
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}
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static void CheckEqual(const char* expected, const char* v, size_t n) {
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if (expected == NULL && v == NULL) {
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// ok
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} else if (expected != NULL && v != NULL && n == strlen(expected) &&
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memcmp(expected, v, n) == 0) {
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// ok
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return;
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} else {
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fprintf(stderr, "%s: expected '%s', got '%s'\n",
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phase,
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(expected ? expected : "(null)"),
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(v ? v : "(null"));
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abort();
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}
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}
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static void Free(char** ptr) {
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if (*ptr) {
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free(*ptr);
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*ptr = NULL;
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}
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}
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static void CheckGet(
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rocksdb_t* db,
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const rocksdb_readoptions_t* options,
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const char* key,
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const char* expected) {
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char* err = NULL;
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size_t val_len;
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char* val;
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val = rocksdb_get(db, options, key, strlen(key), &val_len, &err);
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CheckNoError(err);
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CheckEqual(expected, val, val_len);
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Free(&val);
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}
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static void CheckGetCF(
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rocksdb_t* db,
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const rocksdb_readoptions_t* options,
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rocksdb_column_family_handle_t* handle,
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const char* key,
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const char* expected) {
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char* err = NULL;
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size_t val_len;
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char* val;
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val = rocksdb_get_cf(db, options, handle, key, strlen(key), &val_len, &err);
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CheckNoError(err);
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CheckEqual(expected, val, val_len);
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Free(&val);
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}
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static void CheckIter(rocksdb_iterator_t* iter,
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const char* key, const char* val) {
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size_t len;
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const char* str;
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str = rocksdb_iter_key(iter, &len);
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CheckEqual(key, str, len);
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str = rocksdb_iter_value(iter, &len);
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CheckEqual(val, str, len);
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}
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// Callback from rocksdb_writebatch_iterate()
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static void CheckPut(void* ptr,
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const char* k, size_t klen,
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const char* v, size_t vlen) {
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int* state = (int*) ptr;
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CheckCondition(*state < 2);
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switch (*state) {
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case 0:
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CheckEqual("bar", k, klen);
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CheckEqual("b", v, vlen);
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break;
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case 1:
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CheckEqual("box", k, klen);
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CheckEqual("c", v, vlen);
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break;
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}
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(*state)++;
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}
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// Callback from rocksdb_writebatch_iterate()
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static void CheckDel(void* ptr, const char* k, size_t klen) {
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int* state = (int*) ptr;
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CheckCondition(*state == 2);
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CheckEqual("bar", k, klen);
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(*state)++;
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}
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static void CmpDestroy(void* arg) { }
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static int CmpCompare(void* arg, const char* a, size_t alen,
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const char* b, size_t blen) {
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int n = (alen < blen) ? alen : blen;
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int r = memcmp(a, b, n);
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if (r == 0) {
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if (alen < blen) r = -1;
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else if (alen > blen) r = +1;
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}
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return r;
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}
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static const char* CmpName(void* arg) {
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return "foo";
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}
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// Custom filter policy
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static unsigned char fake_filter_result = 1;
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static void FilterDestroy(void* arg) { }
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static const char* FilterName(void* arg) {
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return "TestFilter";
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}
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static char* FilterCreate(
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void* arg,
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const char* const* key_array, const size_t* key_length_array,
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int num_keys,
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size_t* filter_length) {
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*filter_length = 4;
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char* result = malloc(4);
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memcpy(result, "fake", 4);
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return result;
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}
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static unsigned char FilterKeyMatch(
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void* arg,
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const char* key, size_t length,
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const char* filter, size_t filter_length) {
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CheckCondition(filter_length == 4);
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CheckCondition(memcmp(filter, "fake", 4) == 0);
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return fake_filter_result;
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}
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// Custom compaction filter
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static void CFilterDestroy(void* arg) {}
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static const char* CFilterName(void* arg) { return "foo"; }
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static unsigned char CFilterFilter(void* arg, int level, const char* key,
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size_t key_length,
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const char* existing_value,
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size_t value_length, char** new_value,
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size_t* new_value_length,
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unsigned char* value_changed) {
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if (key_length == 3) {
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if (memcmp(key, "bar", key_length) == 0) {
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return 1;
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} else if (memcmp(key, "baz", key_length) == 0) {
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*value_changed = 1;
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*new_value = "newbazvalue";
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*new_value_length = 11;
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return 0;
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}
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}
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return 0;
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}
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// Custom merge operator
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static void MergeOperatorDestroy(void* arg) { }
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static const char* MergeOperatorName(void* arg) {
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return "TestMergeOperator";
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}
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static char* MergeOperatorFullMerge(
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void* arg,
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const char* key, size_t key_length,
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const char* existing_value, size_t existing_value_length,
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const char* const* operands_list, const size_t* operands_list_length,
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int num_operands,
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unsigned char* success, size_t* new_value_length) {
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*new_value_length = 4;
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*success = 1;
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char* result = malloc(4);
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memcpy(result, "fake", 4);
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return result;
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}
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static char* MergeOperatorPartialMerge(
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void* arg,
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const char* key, size_t key_length,
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const char* const* operands_list, const size_t* operands_list_length,
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int num_operands,
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unsigned char* success, size_t* new_value_length) {
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*new_value_length = 4;
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*success = 1;
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char* result = malloc(4);
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memcpy(result, "fake", 4);
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return result;
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}
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int main(int argc, char** argv) {
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rocksdb_t* db;
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rocksdb_comparator_t* cmp;
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rocksdb_cache_t* cache;
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rocksdb_env_t* env;
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rocksdb_options_t* options;
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rocksdb_readoptions_t* roptions;
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rocksdb_writeoptions_t* woptions;
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char* err = NULL;
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int run = -1;
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snprintf(dbname, sizeof(dbname),
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"%s/rocksdb_c_test-%d",
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GetTempDir(),
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((int) geteuid()));
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StartPhase("create_objects");
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cmp = rocksdb_comparator_create(NULL, CmpDestroy, CmpCompare, CmpName);
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env = rocksdb_create_default_env();
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cache = rocksdb_cache_create_lru(100000);
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options = rocksdb_options_create();
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rocksdb_options_set_comparator(options, cmp);
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rocksdb_options_set_error_if_exists(options, 1);
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rocksdb_options_set_cache(options, cache);
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rocksdb_options_set_env(options, env);
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rocksdb_options_set_info_log(options, NULL);
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rocksdb_options_set_write_buffer_size(options, 100000);
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rocksdb_options_set_paranoid_checks(options, 1);
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rocksdb_options_set_max_open_files(options, 10);
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rocksdb_options_set_block_size(options, 1024);
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rocksdb_options_set_block_restart_interval(options, 8);
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rocksdb_options_set_compression(options, rocksdb_no_compression);
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rocksdb_options_set_compression_options(options, -14, -1, 0);
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int compression_levels[] = {rocksdb_no_compression, rocksdb_no_compression,
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rocksdb_no_compression, rocksdb_no_compression};
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rocksdb_options_set_compression_per_level(options, compression_levels, 4);
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roptions = rocksdb_readoptions_create();
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rocksdb_readoptions_set_verify_checksums(roptions, 1);
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rocksdb_readoptions_set_fill_cache(roptions, 0);
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woptions = rocksdb_writeoptions_create();
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rocksdb_writeoptions_set_sync(woptions, 1);
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StartPhase("destroy");
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rocksdb_destroy_db(options, dbname, &err);
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Free(&err);
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StartPhase("open_error");
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db = rocksdb_open(options, dbname, &err);
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CheckCondition(err != NULL);
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Free(&err);
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StartPhase("open");
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rocksdb_options_set_create_if_missing(options, 1);
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db = rocksdb_open(options, dbname, &err);
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CheckNoError(err);
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CheckGet(db, roptions, "foo", NULL);
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StartPhase("put");
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rocksdb_put(db, woptions, "foo", 3, "hello", 5, &err);
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CheckNoError(err);
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CheckGet(db, roptions, "foo", "hello");
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StartPhase("compactall");
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rocksdb_compact_range(db, NULL, 0, NULL, 0);
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CheckGet(db, roptions, "foo", "hello");
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StartPhase("compactrange");
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rocksdb_compact_range(db, "a", 1, "z", 1);
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CheckGet(db, roptions, "foo", "hello");
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StartPhase("writebatch");
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{
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rocksdb_writebatch_t* wb = rocksdb_writebatch_create();
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rocksdb_writebatch_put(wb, "foo", 3, "a", 1);
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rocksdb_writebatch_clear(wb);
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rocksdb_writebatch_put(wb, "bar", 3, "b", 1);
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rocksdb_writebatch_put(wb, "box", 3, "c", 1);
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rocksdb_writebatch_delete(wb, "bar", 3);
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rocksdb_write(db, woptions, wb, &err);
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CheckNoError(err);
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CheckGet(db, roptions, "foo", "hello");
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CheckGet(db, roptions, "bar", NULL);
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CheckGet(db, roptions, "box", "c");
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int pos = 0;
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rocksdb_writebatch_iterate(wb, &pos, CheckPut, CheckDel);
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CheckCondition(pos == 3);
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rocksdb_writebatch_destroy(wb);
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}
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StartPhase("iter");
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{
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rocksdb_iterator_t* iter = rocksdb_create_iterator(db, roptions);
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CheckCondition(!rocksdb_iter_valid(iter));
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rocksdb_iter_seek_to_first(iter);
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CheckCondition(rocksdb_iter_valid(iter));
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CheckIter(iter, "box", "c");
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rocksdb_iter_next(iter);
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CheckIter(iter, "foo", "hello");
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rocksdb_iter_prev(iter);
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CheckIter(iter, "box", "c");
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rocksdb_iter_prev(iter);
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CheckCondition(!rocksdb_iter_valid(iter));
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rocksdb_iter_seek_to_last(iter);
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CheckIter(iter, "foo", "hello");
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rocksdb_iter_seek(iter, "b", 1);
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CheckIter(iter, "box", "c");
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rocksdb_iter_get_error(iter, &err);
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CheckNoError(err);
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rocksdb_iter_destroy(iter);
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}
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StartPhase("approximate_sizes");
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{
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int i;
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int n = 20000;
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char keybuf[100];
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char valbuf[100];
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uint64_t sizes[2];
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const char* start[2] = { "a", "k00000000000000010000" };
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size_t start_len[2] = { 1, 21 };
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const char* limit[2] = { "k00000000000000010000", "z" };
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size_t limit_len[2] = { 21, 1 };
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rocksdb_writeoptions_set_sync(woptions, 0);
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for (i = 0; i < n; i++) {
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snprintf(keybuf, sizeof(keybuf), "k%020d", i);
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snprintf(valbuf, sizeof(valbuf), "v%020d", i);
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rocksdb_put(db, woptions, keybuf, strlen(keybuf), valbuf, strlen(valbuf),
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&err);
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CheckNoError(err);
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}
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rocksdb_approximate_sizes(db, 2, start, start_len, limit, limit_len, sizes);
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CheckCondition(sizes[0] > 0);
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CheckCondition(sizes[1] > 0);
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}
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StartPhase("property");
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{
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char* prop = rocksdb_property_value(db, "nosuchprop");
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CheckCondition(prop == NULL);
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prop = rocksdb_property_value(db, "rocksdb.stats");
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CheckCondition(prop != NULL);
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Free(&prop);
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}
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StartPhase("snapshot");
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{
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const rocksdb_snapshot_t* snap;
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snap = rocksdb_create_snapshot(db);
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rocksdb_delete(db, woptions, "foo", 3, &err);
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CheckNoError(err);
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rocksdb_readoptions_set_snapshot(roptions, snap);
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CheckGet(db, roptions, "foo", "hello");
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rocksdb_readoptions_set_snapshot(roptions, NULL);
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CheckGet(db, roptions, "foo", NULL);
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rocksdb_release_snapshot(db, snap);
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}
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StartPhase("repair");
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{
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// If we do not compact here, then the lazy deletion of
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// files (https://reviews.facebook.net/D6123) would leave
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// around deleted files and the repair process will find
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// those files and put them back into the database.
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rocksdb_compact_range(db, NULL, 0, NULL, 0);
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rocksdb_close(db);
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rocksdb_options_set_create_if_missing(options, 0);
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rocksdb_options_set_error_if_exists(options, 0);
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rocksdb_repair_db(options, dbname, &err);
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CheckNoError(err);
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db = rocksdb_open(options, dbname, &err);
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CheckNoError(err);
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CheckGet(db, roptions, "foo", NULL);
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CheckGet(db, roptions, "bar", NULL);
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CheckGet(db, roptions, "box", "c");
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rocksdb_options_set_create_if_missing(options, 1);
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rocksdb_options_set_error_if_exists(options, 1);
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}
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StartPhase("filter");
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for (run = 0; run < 2; run++) {
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// First run uses custom filter, second run uses bloom filter
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CheckNoError(err);
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rocksdb_filterpolicy_t* policy;
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if (run == 0) {
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policy = rocksdb_filterpolicy_create(
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NULL, FilterDestroy, FilterCreate, FilterKeyMatch, NULL, FilterName);
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} else {
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policy = rocksdb_filterpolicy_create_bloom(10);
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}
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// Create new database
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rocksdb_close(db);
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rocksdb_destroy_db(options, dbname, &err);
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rocksdb_options_set_filter_policy(options, policy);
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db = rocksdb_open(options, dbname, &err);
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CheckNoError(err);
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rocksdb_put(db, woptions, "foo", 3, "foovalue", 8, &err);
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CheckNoError(err);
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rocksdb_put(db, woptions, "bar", 3, "barvalue", 8, &err);
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CheckNoError(err);
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rocksdb_compact_range(db, NULL, 0, NULL, 0);
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fake_filter_result = 1;
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CheckGet(db, roptions, "foo", "foovalue");
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CheckGet(db, roptions, "bar", "barvalue");
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if (phase == 0) {
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// Must not find value when custom filter returns false
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fake_filter_result = 0;
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CheckGet(db, roptions, "foo", NULL);
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CheckGet(db, roptions, "bar", NULL);
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fake_filter_result = 1;
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CheckGet(db, roptions, "foo", "foovalue");
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CheckGet(db, roptions, "bar", "barvalue");
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}
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rocksdb_options_set_filter_policy(options, NULL);
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rocksdb_filterpolicy_destroy(policy);
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}
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StartPhase("compaction_filter");
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{
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rocksdb_compactionfilter_t* cfilter;
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cfilter = rocksdb_compactionfilter_create(NULL, CFilterDestroy,
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CFilterFilter, CFilterName);
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// Create new database
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rocksdb_close(db);
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rocksdb_destroy_db(options, dbname, &err);
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rocksdb_options_set_compaction_filter(options, cfilter);
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db = rocksdb_open(options, dbname, &err);
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CheckNoError(err);
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rocksdb_put(db, woptions, "foo", 3, "foovalue", 8, &err);
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CheckNoError(err);
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CheckGet(db, roptions, "foo", "foovalue");
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rocksdb_put(db, woptions, "bar", 3, "barvalue", 8, &err);
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CheckNoError(err);
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CheckGet(db, roptions, "bar", "barvalue");
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rocksdb_put(db, woptions, "baz", 3, "bazvalue", 8, &err);
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CheckNoError(err);
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CheckGet(db, roptions, "baz", "bazvalue");
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// Force compaction
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rocksdb_compact_range(db, NULL, 0, NULL, 0);
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// should have filtered bar, but not foo
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CheckGet(db, roptions, "foo", "foovalue");
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CheckGet(db, roptions, "bar", NULL);
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CheckGet(db, roptions, "baz", "newbazvalue");
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rocksdb_compactionfilter_destroy(cfilter);
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}
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StartPhase("merge_operator");
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{
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rocksdb_mergeoperator_t* merge_operator;
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merge_operator = rocksdb_mergeoperator_create(
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NULL, MergeOperatorDestroy, MergeOperatorFullMerge,
|
|
MergeOperatorPartialMerge, NULL, MergeOperatorName);
|
|
// Create new database
|
|
rocksdb_close(db);
|
|
rocksdb_destroy_db(options, dbname, &err);
|
|
rocksdb_options_set_merge_operator(options, merge_operator);
|
|
db = rocksdb_open(options, dbname, &err);
|
|
CheckNoError(err);
|
|
rocksdb_put(db, woptions, "foo", 3, "foovalue", 8, &err);
|
|
CheckNoError(err);
|
|
CheckGet(db, roptions, "foo", "foovalue");
|
|
rocksdb_merge(db, woptions, "foo", 3, "barvalue", 8, &err);
|
|
CheckNoError(err);
|
|
CheckGet(db, roptions, "foo", "fake");
|
|
|
|
// Merge of a non-existing value
|
|
rocksdb_merge(db, woptions, "bar", 3, "barvalue", 8, &err);
|
|
CheckNoError(err);
|
|
CheckGet(db, roptions, "bar", "fake");
|
|
|
|
}
|
|
|
|
StartPhase("columnfamilies");
|
|
{
|
|
rocksdb_close(db);
|
|
rocksdb_destroy_db(options, dbname, &err);
|
|
CheckNoError(err)
|
|
|
|
rocksdb_options_t* db_options = rocksdb_options_create();
|
|
rocksdb_options_set_create_if_missing(db_options, 1);
|
|
db = rocksdb_open(db_options, dbname, &err);
|
|
CheckNoError(err)
|
|
rocksdb_column_family_handle_t* cfh;
|
|
cfh = rocksdb_create_column_family(db, db_options, "cf1", &err);
|
|
rocksdb_column_family_handle_destroy(cfh);
|
|
CheckNoError(err);
|
|
rocksdb_close(db);
|
|
|
|
size_t cflen;
|
|
char** column_fams = rocksdb_list_column_families(db_options, dbname, &cflen, &err);
|
|
CheckNoError(err);
|
|
// TODO column_families vals seg fault
|
|
CheckEqual("default", column_fams[0], 7);
|
|
CheckEqual("cf1", column_fams[1], 3);
|
|
CheckCondition(cflen == 2);
|
|
|
|
rocksdb_options_t* cf_options = rocksdb_options_create();
|
|
|
|
const char* cf_names[2] = {"default", "cf1"};
|
|
const rocksdb_options_t* cf_opts[2] = {cf_options, cf_options};
|
|
rocksdb_column_family_handle_t* handles[2];
|
|
db = rocksdb_open_column_families(db_options, dbname, 2, cf_names, cf_opts, handles, &err);
|
|
CheckNoError(err);
|
|
|
|
rocksdb_put_cf(db, woptions, handles[1], "foo", 3, "hello", 5, &err);
|
|
CheckNoError(err);
|
|
|
|
CheckGetCF(db, roptions, handles[1], "foo", "hello");
|
|
|
|
rocksdb_delete_cf(db, woptions, handles[1], "foo", 3, &err);
|
|
CheckNoError(err);
|
|
|
|
CheckGetCF(db, roptions, handles[1], "foo", NULL);
|
|
|
|
rocksdb_writebatch_t* wb = rocksdb_writebatch_create();
|
|
rocksdb_writebatch_put_cf(wb, handles[1], "baz", 3, "a", 1);
|
|
rocksdb_writebatch_clear(wb);
|
|
rocksdb_writebatch_put_cf(wb, handles[1], "bar", 3, "b", 1);
|
|
rocksdb_writebatch_put_cf(wb, handles[1], "box", 3, "c", 1);
|
|
rocksdb_writebatch_delete_cf(wb, handles[1], "bar", 3);
|
|
rocksdb_write(db, woptions, wb, &err);
|
|
CheckNoError(err);
|
|
CheckGetCF(db, roptions, handles[1], "baz", NULL);
|
|
CheckGetCF(db, roptions, handles[1], "bar", NULL);
|
|
CheckGetCF(db, roptions, handles[1], "box", "c");
|
|
rocksdb_writebatch_destroy(wb);
|
|
|
|
rocksdb_iterator_t* iter = rocksdb_create_iterator_cf(db, roptions, handles[1]);
|
|
CheckCondition(!rocksdb_iter_valid(iter));
|
|
rocksdb_iter_seek_to_first(iter);
|
|
CheckCondition(rocksdb_iter_valid(iter));
|
|
|
|
int i;
|
|
for (i = 0; rocksdb_iter_valid(iter) != 0; rocksdb_iter_next(iter)) {
|
|
i++;
|
|
}
|
|
CheckCondition(i == 1);
|
|
rocksdb_iter_get_error(iter, &err);
|
|
CheckNoError(err);
|
|
rocksdb_iter_destroy(iter);
|
|
|
|
rocksdb_drop_column_family(db, handles[1], &err);
|
|
CheckNoError(err);
|
|
for (i = 0; i < 2; i++) {
|
|
rocksdb_column_family_handle_destroy(handles[i]);
|
|
}
|
|
}
|
|
|
|
StartPhase("prefix");
|
|
{
|
|
// Create new database
|
|
rocksdb_close(db);
|
|
rocksdb_destroy_db(options, dbname, &err);
|
|
|
|
rocksdb_filterpolicy_t* policy = rocksdb_filterpolicy_create_bloom(10);
|
|
rocksdb_options_set_filter_policy(options, policy);
|
|
rocksdb_options_set_prefix_extractor(options, rocksdb_slicetransform_create_fixed_prefix(3));
|
|
rocksdb_options_set_hash_skip_list_rep(options, 5000, 4, 4);
|
|
rocksdb_options_set_plain_table_factory(options, 4, 10, 0.75, 16);
|
|
|
|
db = rocksdb_open(options, dbname, &err);
|
|
CheckNoError(err);
|
|
|
|
rocksdb_put(db, woptions, "foo1", 4, "foo", 3, &err);
|
|
CheckNoError(err);
|
|
rocksdb_put(db, woptions, "foo2", 4, "foo", 3, &err);
|
|
CheckNoError(err);
|
|
rocksdb_put(db, woptions, "foo3", 4, "foo", 3, &err);
|
|
CheckNoError(err);
|
|
rocksdb_put(db, woptions, "bar1", 4, "bar", 3, &err);
|
|
CheckNoError(err);
|
|
rocksdb_put(db, woptions, "bar2", 4, "bar", 3, &err);
|
|
CheckNoError(err);
|
|
rocksdb_put(db, woptions, "bar3", 4, "bar", 3, &err);
|
|
CheckNoError(err);
|
|
|
|
rocksdb_iterator_t* iter = rocksdb_create_iterator(db, roptions);
|
|
CheckCondition(!rocksdb_iter_valid(iter));
|
|
|
|
rocksdb_iter_seek(iter, "bar", 3);
|
|
rocksdb_iter_get_error(iter, &err);
|
|
CheckNoError(err);
|
|
CheckCondition(rocksdb_iter_valid(iter));
|
|
|
|
CheckIter(iter, "bar1", "bar");
|
|
rocksdb_iter_next(iter);
|
|
CheckIter(iter, "bar2", "bar");
|
|
rocksdb_iter_next(iter);
|
|
CheckIter(iter, "bar3", "bar");
|
|
rocksdb_iter_get_error(iter, &err);
|
|
CheckNoError(err);
|
|
rocksdb_iter_destroy(iter);
|
|
rocksdb_filterpolicy_destroy(policy);
|
|
}
|
|
|
|
|
|
StartPhase("cleanup");
|
|
rocksdb_close(db);
|
|
rocksdb_options_destroy(options);
|
|
rocksdb_readoptions_destroy(roptions);
|
|
rocksdb_writeoptions_destroy(woptions);
|
|
rocksdb_cache_destroy(cache);
|
|
rocksdb_comparator_destroy(cmp);
|
|
rocksdb_env_destroy(env);
|
|
|
|
fprintf(stderr, "PASS\n");
|
|
return 0;
|
|
}
|