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// 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
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