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
4.0 KiB
C++
127 lines
4.0 KiB
C++
// 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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#pragma once
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#include <algorithm>
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#include <memory>
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#include <unordered_map>
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#include "options/configurable_helper.h"
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#include "rocksdb/configurable.h"
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#include "rocksdb/utilities/options_type.h"
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namespace ROCKSDB_NAMESPACE {
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struct ColumnFamilyOptions;
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struct DBOptions;
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namespace test {
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enum TestEnum { kTestA, kTestB };
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static const std::unordered_map<std::string, int> test_enum_map = {
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{"A", TestEnum::kTestA},
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{"B", TestEnum::kTestB},
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};
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struct TestOptions {
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int i = 0;
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bool b = false;
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bool d = true;
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TestEnum e = TestEnum::kTestA;
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std::string s = "";
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std::string u = "";
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};
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static std::unordered_map<std::string, OptionTypeInfo> simple_option_info = {
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#ifndef ROCKSDB_LITE
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{"int",
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{offsetof(struct TestOptions, i), OptionType::kInt,
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OptionVerificationType::kNormal, OptionTypeFlags::kMutable}},
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{"bool",
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{offsetof(struct TestOptions, b), OptionType::kBoolean,
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OptionVerificationType::kNormal, OptionTypeFlags::kNone}},
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{"string",
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{offsetof(struct TestOptions, s), OptionType::kString,
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OptionVerificationType::kNormal, OptionTypeFlags::kNone}},
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#endif // ROCKSDB_LITE
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};
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static std::unordered_map<std::string, OptionTypeInfo> enum_option_info = {
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#ifndef ROCKSDB_LITE
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{"enum",
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OptionTypeInfo::Enum(offsetof(struct TestOptions, e), &test_enum_map)}
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#endif
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};
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static std::unordered_map<std::string, OptionTypeInfo> unique_option_info = {
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#ifndef ROCKSDB_LITE
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{"unique",
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{0, OptionType::kConfigurable, OptionVerificationType::kNormal,
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(OptionTypeFlags::kUnique | OptionTypeFlags::kMutable)}},
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#endif // ROCKSDB_LITE
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};
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static std::unordered_map<std::string, OptionTypeInfo> shared_option_info = {
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#ifndef ROCKSDB_LITE
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{"shared",
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{0, OptionType::kConfigurable, OptionVerificationType::kNormal,
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(OptionTypeFlags::kShared)}},
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#endif // ROCKSDB_LITE
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};
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static std::unordered_map<std::string, OptionTypeInfo> pointer_option_info = {
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#ifndef ROCKSDB_LITE
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{"pointer",
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{0, OptionType::kConfigurable, OptionVerificationType::kNormal,
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OptionTypeFlags::kRawPointer}},
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#endif // ROCKSDB_LITE
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};
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enum TestConfigMode {
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kEmptyMode = 0x0, // Don't register anything
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kMutableMode = 0x01, // Configuration is mutable
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kSimpleMode = 0x02, // Use the simple options
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kEnumMode = 0x04, // Use the enum options
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kDefaultMode = kSimpleMode, // Use no inner nested configurations
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kSharedMode = 0x10, // Use shared configuration
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kUniqueMode = 0x20, // Use unique configuration
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kRawPtrMode = 0x40, // Use pointer configuration
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kNestedMode = (kSharedMode | kUniqueMode | kRawPtrMode),
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kAllOptMode = (kNestedMode | kEnumMode | kSimpleMode),
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};
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template <typename T>
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class TestConfigurable : public Configurable {
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protected:
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std::string name_;
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std::string prefix_;
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TestOptions options_;
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public:
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std::unique_ptr<T> unique_;
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std::shared_ptr<T> shared_;
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T* pointer_;
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TestConfigurable(const std::string& name, int mode,
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const std::unordered_map<std::string, OptionTypeInfo>* map =
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&simple_option_info)
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: name_(name), pointer_(nullptr) {
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prefix_ = "test." + name + ".";
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if ((mode & TestConfigMode::kSimpleMode) != 0) {
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RegisterOptions(name_, &options_, map);
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}
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if ((mode & TestConfigMode::kEnumMode) != 0) {
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RegisterOptions(name_ + "Enum", &options_, &enum_option_info);
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}
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}
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~TestConfigurable() override { delete pointer_; }
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};
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} // namespace test
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} // namespace ROCKSDB_NAMESPACE
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