fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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531 lines
18 KiB
531 lines
18 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// 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 "test_util/testutil.h"
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#include <fcntl.h>
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#include <array>
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#include <cctype>
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#include <fstream>
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#include <sstream>
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#include "db/memtable_list.h"
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#include "env/composite_env_wrapper.h"
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#include "file/random_access_file_reader.h"
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#include "file/sequence_file_reader.h"
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#include "file/writable_file_writer.h"
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#include "port/port.h"
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#include "test_util/sync_point.h"
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namespace ROCKSDB_NAMESPACE {
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namespace test {
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const uint32_t kDefaultFormatVersion = BlockBasedTableOptions().format_version;
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const uint32_t kLatestFormatVersion = 5u;
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Slice RandomString(Random* rnd, int len, std::string* dst) {
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dst->resize(len);
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for (int i = 0; i < len; i++) {
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(*dst)[i] = static_cast<char>(' ' + rnd->Uniform(95)); // ' ' .. '~'
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}
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return Slice(*dst);
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}
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extern std::string RandomHumanReadableString(Random* rnd, int len) {
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std::string ret;
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ret.resize(len);
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for (int i = 0; i < len; ++i) {
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ret[i] = static_cast<char>('a' + rnd->Uniform(26));
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}
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return ret;
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}
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std::string RandomKey(Random* rnd, int len, RandomKeyType type) {
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// Make sure to generate a wide variety of characters so we
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// test the boundary conditions for short-key optimizations.
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static const char kTestChars[] = {'\0', '\1', 'a', 'b', 'c',
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'd', 'e', '\xfd', '\xfe', '\xff'};
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std::string result;
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for (int i = 0; i < len; i++) {
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std::size_t indx = 0;
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switch (type) {
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case RandomKeyType::RANDOM:
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indx = rnd->Uniform(sizeof(kTestChars));
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break;
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case RandomKeyType::LARGEST:
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indx = sizeof(kTestChars) - 1;
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break;
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case RandomKeyType::MIDDLE:
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indx = sizeof(kTestChars) / 2;
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break;
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case RandomKeyType::SMALLEST:
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indx = 0;
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break;
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}
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result += kTestChars[indx];
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}
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return result;
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}
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extern Slice CompressibleString(Random* rnd, double compressed_fraction,
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int len, std::string* dst) {
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int raw = static_cast<int>(len * compressed_fraction);
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if (raw < 1) raw = 1;
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std::string raw_data;
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RandomString(rnd, raw, &raw_data);
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// Duplicate the random data until we have filled "len" bytes
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dst->clear();
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while (dst->size() < (unsigned int)len) {
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dst->append(raw_data);
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}
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dst->resize(len);
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return Slice(*dst);
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}
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namespace {
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class Uint64ComparatorImpl : public Comparator {
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public:
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Uint64ComparatorImpl() {}
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const char* Name() const override { return "rocksdb.Uint64Comparator"; }
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int Compare(const Slice& a, const Slice& b) const override {
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assert(a.size() == sizeof(uint64_t) && b.size() == sizeof(uint64_t));
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const uint64_t* left = reinterpret_cast<const uint64_t*>(a.data());
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const uint64_t* right = reinterpret_cast<const uint64_t*>(b.data());
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uint64_t leftValue;
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uint64_t rightValue;
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GetUnaligned(left, &leftValue);
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GetUnaligned(right, &rightValue);
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if (leftValue == rightValue) {
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return 0;
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} else if (leftValue < rightValue) {
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return -1;
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} else {
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return 1;
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}
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}
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void FindShortestSeparator(std::string* /*start*/,
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const Slice& /*limit*/) const override {
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return;
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}
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void FindShortSuccessor(std::string* /*key*/) const override { return; }
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};
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// A test implementation of comparator with 64-bit integer timestamp.
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class ComparatorWithU64TsImpl : public Comparator {
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public:
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ComparatorWithU64TsImpl()
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: Comparator(/*ts_sz=*/sizeof(uint64_t)),
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cmp_without_ts_(BytewiseComparator()) {
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assert(cmp_without_ts_);
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assert(cmp_without_ts_->timestamp_size() == 0);
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}
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const char* Name() const override { return "ComparatorWithU64Ts"; }
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void FindShortSuccessor(std::string*) const override {}
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void FindShortestSeparator(std::string*, const Slice&) const override {}
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int Compare(const Slice& a, const Slice& b) const override {
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int ret = CompareWithoutTimestamp(a, b);
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size_t ts_sz = timestamp_size();
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if (ret != 0) {
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return ret;
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}
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// Compare timestamp.
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// For the same user key with different timestamps, larger (newer) timestamp
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// comes first.
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return -CompareTimestamp(ExtractTimestampFromUserKey(a, ts_sz),
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ExtractTimestampFromUserKey(b, ts_sz));
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}
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using Comparator::CompareWithoutTimestamp;
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int CompareWithoutTimestamp(const Slice& a, bool a_has_ts, const Slice& b,
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bool b_has_ts) const override {
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const size_t ts_sz = timestamp_size();
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assert(!a_has_ts || a.size() >= ts_sz);
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assert(!b_has_ts || b.size() >= ts_sz);
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Slice lhs = a_has_ts ? StripTimestampFromUserKey(a, ts_sz) : a;
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Slice rhs = b_has_ts ? StripTimestampFromUserKey(b, ts_sz) : b;
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return cmp_without_ts_->Compare(lhs, rhs);
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}
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int CompareTimestamp(const Slice& ts1, const Slice& ts2) const override {
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assert(ts1.size() == sizeof(uint64_t));
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assert(ts2.size() == sizeof(uint64_t));
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uint64_t lhs = DecodeFixed64(ts1.data());
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uint64_t rhs = DecodeFixed64(ts2.data());
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if (lhs < rhs) {
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return -1;
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} else if (lhs > rhs) {
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return 1;
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} else {
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return 0;
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}
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}
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private:
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const Comparator* cmp_without_ts_{nullptr};
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};
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} // namespace
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const Comparator* Uint64Comparator() {
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static Uint64ComparatorImpl uint64comp;
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return &uint64comp;
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}
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const Comparator* ComparatorWithU64Ts() {
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static ComparatorWithU64TsImpl comp_with_u64_ts;
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return &comp_with_u64_ts;
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}
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WritableFileWriter* GetWritableFileWriter(WritableFile* wf,
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const std::string& fname) {
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std::unique_ptr<WritableFile> file(wf);
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return new WritableFileWriter(NewLegacyWritableFileWrapper(std::move(file)),
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fname, EnvOptions());
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}
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RandomAccessFileReader* GetRandomAccessFileReader(RandomAccessFile* raf) {
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std::unique_ptr<RandomAccessFile> file(raf);
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return new RandomAccessFileReader(NewLegacyRandomAccessFileWrapper(file),
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"[test RandomAccessFileReader]");
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}
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SequentialFileReader* GetSequentialFileReader(SequentialFile* se,
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const std::string& fname) {
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std::unique_ptr<SequentialFile> file(se);
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return new SequentialFileReader(NewLegacySequentialFileWrapper(file), fname);
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}
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void CorruptKeyType(InternalKey* ikey) {
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std::string keystr = ikey->Encode().ToString();
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keystr[keystr.size() - 8] = kTypeLogData;
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ikey->DecodeFrom(Slice(keystr.data(), keystr.size()));
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}
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std::string KeyStr(const std::string& user_key, const SequenceNumber& seq,
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const ValueType& t, bool corrupt) {
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InternalKey k(user_key, seq, t);
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if (corrupt) {
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CorruptKeyType(&k);
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}
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return k.Encode().ToString();
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}
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std::string RandomName(Random* rnd, const size_t len) {
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std::stringstream ss;
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for (size_t i = 0; i < len; ++i) {
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ss << static_cast<char>(rnd->Uniform(26) + 'a');
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}
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return ss.str();
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}
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CompressionType RandomCompressionType(Random* rnd) {
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auto ret = static_cast<CompressionType>(rnd->Uniform(6));
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while (!CompressionTypeSupported(ret)) {
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ret = static_cast<CompressionType>((static_cast<int>(ret) + 1) % 6);
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}
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return ret;
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}
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void RandomCompressionTypeVector(const size_t count,
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std::vector<CompressionType>* types,
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Random* rnd) {
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types->clear();
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for (size_t i = 0; i < count; ++i) {
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types->emplace_back(RandomCompressionType(rnd));
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}
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}
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const SliceTransform* RandomSliceTransform(Random* rnd, int pre_defined) {
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int random_num = pre_defined >= 0 ? pre_defined : rnd->Uniform(4);
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switch (random_num) {
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case 0:
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return NewFixedPrefixTransform(rnd->Uniform(20) + 1);
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case 1:
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return NewCappedPrefixTransform(rnd->Uniform(20) + 1);
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case 2:
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return NewNoopTransform();
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default:
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return nullptr;
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}
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}
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BlockBasedTableOptions RandomBlockBasedTableOptions(Random* rnd) {
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BlockBasedTableOptions opt;
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opt.cache_index_and_filter_blocks = rnd->Uniform(2);
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opt.pin_l0_filter_and_index_blocks_in_cache = rnd->Uniform(2);
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opt.pin_top_level_index_and_filter = rnd->Uniform(2);
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using IndexType = BlockBasedTableOptions::IndexType;
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const std::array<IndexType, 4> index_types = {
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{IndexType::kBinarySearch, IndexType::kHashSearch,
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IndexType::kTwoLevelIndexSearch, IndexType::kBinarySearchWithFirstKey}};
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opt.index_type =
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index_types[rnd->Uniform(static_cast<int>(index_types.size()))];
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opt.hash_index_allow_collision = rnd->Uniform(2);
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opt.checksum = static_cast<ChecksumType>(rnd->Uniform(3));
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opt.block_size = rnd->Uniform(10000000);
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opt.block_size_deviation = rnd->Uniform(100);
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opt.block_restart_interval = rnd->Uniform(100);
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opt.index_block_restart_interval = rnd->Uniform(100);
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opt.whole_key_filtering = rnd->Uniform(2);
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return opt;
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}
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TableFactory* RandomTableFactory(Random* rnd, int pre_defined) {
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#ifndef ROCKSDB_LITE
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int random_num = pre_defined >= 0 ? pre_defined : rnd->Uniform(4);
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switch (random_num) {
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case 0:
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return NewPlainTableFactory();
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case 1:
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return NewCuckooTableFactory();
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default:
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return NewBlockBasedTableFactory();
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}
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#else
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(void)rnd;
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(void)pre_defined;
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return NewBlockBasedTableFactory();
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#endif // !ROCKSDB_LITE
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}
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MergeOperator* RandomMergeOperator(Random* rnd) {
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return new ChanglingMergeOperator(RandomName(rnd, 10));
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}
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CompactionFilter* RandomCompactionFilter(Random* rnd) {
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return new ChanglingCompactionFilter(RandomName(rnd, 10));
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}
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CompactionFilterFactory* RandomCompactionFilterFactory(Random* rnd) {
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return new ChanglingCompactionFilterFactory(RandomName(rnd, 10));
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}
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void RandomInitDBOptions(DBOptions* db_opt, Random* rnd) {
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// boolean options
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db_opt->advise_random_on_open = rnd->Uniform(2);
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db_opt->allow_mmap_reads = rnd->Uniform(2);
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db_opt->allow_mmap_writes = rnd->Uniform(2);
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db_opt->use_direct_reads = rnd->Uniform(2);
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db_opt->use_direct_io_for_flush_and_compaction = rnd->Uniform(2);
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db_opt->create_if_missing = rnd->Uniform(2);
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db_opt->create_missing_column_families = rnd->Uniform(2);
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db_opt->enable_thread_tracking = rnd->Uniform(2);
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db_opt->error_if_exists = rnd->Uniform(2);
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db_opt->is_fd_close_on_exec = rnd->Uniform(2);
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db_opt->paranoid_checks = rnd->Uniform(2);
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db_opt->skip_log_error_on_recovery = rnd->Uniform(2);
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db_opt->skip_stats_update_on_db_open = rnd->Uniform(2);
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db_opt->skip_checking_sst_file_sizes_on_db_open = rnd->Uniform(2);
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db_opt->use_adaptive_mutex = rnd->Uniform(2);
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db_opt->use_fsync = rnd->Uniform(2);
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db_opt->recycle_log_file_num = rnd->Uniform(2);
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db_opt->avoid_flush_during_recovery = rnd->Uniform(2);
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db_opt->avoid_flush_during_shutdown = rnd->Uniform(2);
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// int options
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db_opt->max_background_compactions = rnd->Uniform(100);
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db_opt->max_background_flushes = rnd->Uniform(100);
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db_opt->max_file_opening_threads = rnd->Uniform(100);
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db_opt->max_open_files = rnd->Uniform(100);
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db_opt->table_cache_numshardbits = rnd->Uniform(100);
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// size_t options
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db_opt->db_write_buffer_size = rnd->Uniform(10000);
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db_opt->keep_log_file_num = rnd->Uniform(10000);
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db_opt->log_file_time_to_roll = rnd->Uniform(10000);
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db_opt->manifest_preallocation_size = rnd->Uniform(10000);
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db_opt->max_log_file_size = rnd->Uniform(10000);
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// std::string options
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db_opt->db_log_dir = "path/to/db_log_dir";
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db_opt->wal_dir = "path/to/wal_dir";
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// uint32_t options
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db_opt->max_subcompactions = rnd->Uniform(100000);
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// uint64_t options
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static const uint64_t uint_max = static_cast<uint64_t>(UINT_MAX);
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db_opt->WAL_size_limit_MB = uint_max + rnd->Uniform(100000);
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db_opt->WAL_ttl_seconds = uint_max + rnd->Uniform(100000);
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db_opt->bytes_per_sync = uint_max + rnd->Uniform(100000);
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db_opt->delayed_write_rate = uint_max + rnd->Uniform(100000);
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db_opt->delete_obsolete_files_period_micros = uint_max + rnd->Uniform(100000);
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db_opt->max_manifest_file_size = uint_max + rnd->Uniform(100000);
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db_opt->max_total_wal_size = uint_max + rnd->Uniform(100000);
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db_opt->wal_bytes_per_sync = uint_max + rnd->Uniform(100000);
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// unsigned int options
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db_opt->stats_dump_period_sec = rnd->Uniform(100000);
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}
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void RandomInitCFOptions(ColumnFamilyOptions* cf_opt, DBOptions& db_options,
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Random* rnd) {
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cf_opt->compaction_style = (CompactionStyle)(rnd->Uniform(4));
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// boolean options
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cf_opt->report_bg_io_stats = rnd->Uniform(2);
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cf_opt->disable_auto_compactions = rnd->Uniform(2);
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cf_opt->inplace_update_support = rnd->Uniform(2);
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cf_opt->level_compaction_dynamic_level_bytes = rnd->Uniform(2);
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cf_opt->optimize_filters_for_hits = rnd->Uniform(2);
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cf_opt->paranoid_file_checks = rnd->Uniform(2);
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cf_opt->purge_redundant_kvs_while_flush = rnd->Uniform(2);
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cf_opt->force_consistency_checks = rnd->Uniform(2);
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cf_opt->compaction_options_fifo.allow_compaction = rnd->Uniform(2);
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cf_opt->memtable_whole_key_filtering = rnd->Uniform(2);
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// double options
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cf_opt->hard_rate_limit = static_cast<double>(rnd->Uniform(10000)) / 13;
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cf_opt->soft_rate_limit = static_cast<double>(rnd->Uniform(10000)) / 13;
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cf_opt->memtable_prefix_bloom_size_ratio =
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static_cast<double>(rnd->Uniform(10000)) / 20000.0;
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// int options
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cf_opt->level0_file_num_compaction_trigger = rnd->Uniform(100);
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cf_opt->level0_slowdown_writes_trigger = rnd->Uniform(100);
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cf_opt->level0_stop_writes_trigger = rnd->Uniform(100);
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cf_opt->max_bytes_for_level_multiplier = rnd->Uniform(100);
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cf_opt->max_mem_compaction_level = rnd->Uniform(100);
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cf_opt->max_write_buffer_number = rnd->Uniform(100);
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cf_opt->max_write_buffer_number_to_maintain = rnd->Uniform(100);
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cf_opt->max_write_buffer_size_to_maintain = rnd->Uniform(10000);
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cf_opt->min_write_buffer_number_to_merge = rnd->Uniform(100);
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cf_opt->num_levels = rnd->Uniform(100);
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cf_opt->target_file_size_multiplier = rnd->Uniform(100);
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// vector int options
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cf_opt->max_bytes_for_level_multiplier_additional.resize(cf_opt->num_levels);
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for (int i = 0; i < cf_opt->num_levels; i++) {
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cf_opt->max_bytes_for_level_multiplier_additional[i] = rnd->Uniform(100);
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}
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// size_t options
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cf_opt->arena_block_size = rnd->Uniform(10000);
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cf_opt->inplace_update_num_locks = rnd->Uniform(10000);
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cf_opt->max_successive_merges = rnd->Uniform(10000);
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cf_opt->memtable_huge_page_size = rnd->Uniform(10000);
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cf_opt->write_buffer_size = rnd->Uniform(10000);
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// uint32_t options
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cf_opt->bloom_locality = rnd->Uniform(10000);
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cf_opt->max_bytes_for_level_base = rnd->Uniform(10000);
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// uint64_t options
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static const uint64_t uint_max = static_cast<uint64_t>(UINT_MAX);
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cf_opt->ttl =
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db_options.max_open_files == -1 ? uint_max + rnd->Uniform(10000) : 0;
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cf_opt->periodic_compaction_seconds =
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db_options.max_open_files == -1 ? uint_max + rnd->Uniform(10000) : 0;
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cf_opt->max_sequential_skip_in_iterations = uint_max + rnd->Uniform(10000);
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cf_opt->target_file_size_base = uint_max + rnd->Uniform(10000);
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cf_opt->max_compaction_bytes =
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cf_opt->target_file_size_base * rnd->Uniform(100);
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cf_opt->compaction_options_fifo.max_table_files_size =
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uint_max + rnd->Uniform(10000);
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|
// unsigned int options
|
|
cf_opt->rate_limit_delay_max_milliseconds = rnd->Uniform(10000);
|
|
|
|
// pointer typed options
|
|
cf_opt->prefix_extractor.reset(RandomSliceTransform(rnd));
|
|
cf_opt->table_factory.reset(RandomTableFactory(rnd));
|
|
cf_opt->merge_operator.reset(RandomMergeOperator(rnd));
|
|
if (cf_opt->compaction_filter) {
|
|
delete cf_opt->compaction_filter;
|
|
}
|
|
cf_opt->compaction_filter = RandomCompactionFilter(rnd);
|
|
cf_opt->compaction_filter_factory.reset(RandomCompactionFilterFactory(rnd));
|
|
|
|
// custom typed options
|
|
cf_opt->compression = RandomCompressionType(rnd);
|
|
RandomCompressionTypeVector(cf_opt->num_levels,
|
|
&cf_opt->compression_per_level, rnd);
|
|
}
|
|
|
|
Status DestroyDir(Env* env, const std::string& dir) {
|
|
Status s;
|
|
if (env->FileExists(dir).IsNotFound()) {
|
|
return s;
|
|
}
|
|
std::vector<std::string> files_in_dir;
|
|
s = env->GetChildren(dir, &files_in_dir);
|
|
if (s.ok()) {
|
|
for (auto& file_in_dir : files_in_dir) {
|
|
if (file_in_dir == "." || file_in_dir == "..") {
|
|
continue;
|
|
}
|
|
s = env->DeleteFile(dir + "/" + file_in_dir);
|
|
if (!s.ok()) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s.ok()) {
|
|
s = env->DeleteDir(dir);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
bool IsDirectIOSupported(Env* env, const std::string& dir) {
|
|
EnvOptions env_options;
|
|
env_options.use_mmap_writes = false;
|
|
env_options.use_direct_writes = true;
|
|
std::string tmp = TempFileName(dir, 999);
|
|
Status s;
|
|
{
|
|
std::unique_ptr<WritableFile> file;
|
|
s = env->NewWritableFile(tmp, &file, env_options);
|
|
}
|
|
if (s.ok()) {
|
|
s = env->DeleteFile(tmp);
|
|
}
|
|
return s.ok();
|
|
}
|
|
|
|
size_t GetLinesCount(const std::string& fname, const std::string& pattern) {
|
|
std::stringstream ssbuf;
|
|
std::string line;
|
|
size_t count = 0;
|
|
|
|
std::ifstream inFile(fname.c_str());
|
|
ssbuf << inFile.rdbuf();
|
|
|
|
while (getline(ssbuf, line)) {
|
|
if (line.find(pattern) != std::string::npos) {
|
|
count++;
|
|
}
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
void SetupSyncPointsToMockDirectIO() {
|
|
#if !defined(NDEBUG) && !defined(OS_MACOSX) && !defined(OS_WIN) && \
|
|
!defined(OS_SOLARIS) && !defined(OS_AIX) && !defined(OS_OPENBSD)
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
|
|
"NewWritableFile:O_DIRECT", [&](void* arg) {
|
|
int* val = static_cast<int*>(arg);
|
|
*val &= ~O_DIRECT;
|
|
});
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
|
|
"NewRandomAccessFile:O_DIRECT", [&](void* arg) {
|
|
int* val = static_cast<int*>(arg);
|
|
*val &= ~O_DIRECT;
|
|
});
|
|
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
|
|
#endif
|
|
}
|
|
|
|
} // namespace test
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|