mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-25 22:44:05 +00:00
6bab3a34e9
Summary: As previously coded, a Configurable extension would need access to code not in the public API. This change moves RegisterOptions into the Configurable class and therefore available to public extensions. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8223 Reviewed By: anand1976 Differential Revision: D27960188 Pulled By: mrambacher fbshipit-source-id: ac88b19397183df633902def5b5701b9b65fbf40
127 lines
4 KiB
C++
127 lines
4 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
//
|
|
// 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.
|
|
|
|
#pragma once
|
|
#include <algorithm>
|
|
#include <memory>
|
|
#include <unordered_map>
|
|
|
|
#include "options/configurable_helper.h"
|
|
#include "rocksdb/configurable.h"
|
|
#include "rocksdb/utilities/options_type.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
struct ColumnFamilyOptions;
|
|
struct DBOptions;
|
|
|
|
namespace test {
|
|
enum TestEnum { kTestA, kTestB };
|
|
|
|
static const std::unordered_map<std::string, int> test_enum_map = {
|
|
{"A", TestEnum::kTestA},
|
|
{"B", TestEnum::kTestB},
|
|
};
|
|
|
|
struct TestOptions {
|
|
int i = 0;
|
|
bool b = false;
|
|
bool d = true;
|
|
TestEnum e = TestEnum::kTestA;
|
|
std::string s = "";
|
|
std::string u = "";
|
|
};
|
|
|
|
static std::unordered_map<std::string, OptionTypeInfo> simple_option_info = {
|
|
#ifndef ROCKSDB_LITE
|
|
{"int",
|
|
{offsetof(struct TestOptions, i), OptionType::kInt,
|
|
OptionVerificationType::kNormal, OptionTypeFlags::kMutable}},
|
|
{"bool",
|
|
{offsetof(struct TestOptions, b), OptionType::kBoolean,
|
|
OptionVerificationType::kNormal, OptionTypeFlags::kNone}},
|
|
{"string",
|
|
{offsetof(struct TestOptions, s), OptionType::kString,
|
|
OptionVerificationType::kNormal, OptionTypeFlags::kNone}},
|
|
#endif // ROCKSDB_LITE
|
|
};
|
|
|
|
static std::unordered_map<std::string, OptionTypeInfo> enum_option_info = {
|
|
#ifndef ROCKSDB_LITE
|
|
{"enum",
|
|
OptionTypeInfo::Enum(offsetof(struct TestOptions, e), &test_enum_map)}
|
|
#endif
|
|
};
|
|
|
|
static std::unordered_map<std::string, OptionTypeInfo> unique_option_info = {
|
|
#ifndef ROCKSDB_LITE
|
|
{"unique",
|
|
{0, OptionType::kConfigurable, OptionVerificationType::kNormal,
|
|
(OptionTypeFlags::kUnique | OptionTypeFlags::kMutable)}},
|
|
#endif // ROCKSDB_LITE
|
|
};
|
|
|
|
static std::unordered_map<std::string, OptionTypeInfo> shared_option_info = {
|
|
#ifndef ROCKSDB_LITE
|
|
{"shared",
|
|
{0, OptionType::kConfigurable, OptionVerificationType::kNormal,
|
|
(OptionTypeFlags::kShared)}},
|
|
#endif // ROCKSDB_LITE
|
|
};
|
|
static std::unordered_map<std::string, OptionTypeInfo> pointer_option_info = {
|
|
#ifndef ROCKSDB_LITE
|
|
{"pointer",
|
|
{0, OptionType::kConfigurable, OptionVerificationType::kNormal,
|
|
OptionTypeFlags::kRawPointer}},
|
|
#endif // ROCKSDB_LITE
|
|
};
|
|
|
|
enum TestConfigMode {
|
|
kEmptyMode = 0x0, // Don't register anything
|
|
kMutableMode = 0x01, // Configuration is mutable
|
|
kSimpleMode = 0x02, // Use the simple options
|
|
kEnumMode = 0x04, // Use the enum options
|
|
kDefaultMode = kSimpleMode, // Use no inner nested configurations
|
|
kSharedMode = 0x10, // Use shared configuration
|
|
kUniqueMode = 0x20, // Use unique configuration
|
|
kRawPtrMode = 0x40, // Use pointer configuration
|
|
kNestedMode = (kSharedMode | kUniqueMode | kRawPtrMode),
|
|
kAllOptMode = (kNestedMode | kEnumMode | kSimpleMode),
|
|
};
|
|
|
|
template <typename T>
|
|
class TestConfigurable : public Configurable {
|
|
protected:
|
|
std::string name_;
|
|
std::string prefix_;
|
|
TestOptions options_;
|
|
|
|
public:
|
|
std::unique_ptr<T> unique_;
|
|
std::shared_ptr<T> shared_;
|
|
T* pointer_;
|
|
|
|
TestConfigurable(const std::string& name, int mode,
|
|
const std::unordered_map<std::string, OptionTypeInfo>* map =
|
|
&simple_option_info)
|
|
: name_(name), pointer_(nullptr) {
|
|
prefix_ = "test." + name + ".";
|
|
if ((mode & TestConfigMode::kSimpleMode) != 0) {
|
|
RegisterOptions(name_, &options_, map);
|
|
}
|
|
if ((mode & TestConfigMode::kEnumMode) != 0) {
|
|
RegisterOptions(name_ + "Enum", &options_, &enum_option_info);
|
|
}
|
|
}
|
|
|
|
~TestConfigurable() override { delete pointer_; }
|
|
};
|
|
|
|
} // namespace test
|
|
} // namespace ROCKSDB_NAMESPACE
|