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Move RegisterOptions into the Configurable API (#8223)

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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
This commit is contained in:
mrambacher 2021-04-26 03:12:35 -07:00 committed by Facebook GitHub Bot
parent cc1c3ee54e
commit 6bab3a34e9
12 changed files with 65 additions and 86 deletions
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29
include/rocksdb/configurable.h
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@ -350,6 +350,35 @@ class Configurable {
// Given a name (e.g. rocksdb.my.type.opt), returns the short name (opt)
virtual std::string GetOptionName(const std::string& long_name) const;
// Registers the input name with the options and associated map.
// When classes register their options in this manner, most of the
// functionality (excluding unknown options and validate/prepare) is
// implemented by the base class.
//
// This method should be called in the class constructor to register the
// option set for this object. For example, to register the options
// associated with the BlockBasedTableFactory, the constructor calls this
// method passing in:
// - the name of the options ("BlockBasedTableOptions");
// - the options object (the BlockBasedTableOptions object for this object;
// - the options type map for the BlockBasedTableOptions.
// This registration allows the Configurable class to process the option
// values associated with the BlockBasedTableOptions without further code in
// the derived class.
//
// @param name The name of this set of options (@see GetOptionsPtr)
// @param opt_ptr Pointer to the options to associate with this name
// @param opt_map Options map that controls how this option is configured.
template <typename T>
void RegisterOptions(
T* opt_ptr,
const std::unordered_map<std::string, OptionTypeInfo>* opt_map) {
RegisterOptions(T::kName(), opt_ptr, opt_map);
}
void RegisterOptions(
const std::string& name, void* opt_ptr,
const std::unordered_map<std::string, OptionTypeInfo>* opt_map);
private:
// Contains the collection of options (name, opt_ptr, opt_map) associated with
// this object. This collection is typically set in the constructor of the

8
options/cf_options.cc
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@ -687,10 +687,9 @@ const std::string OptionsHelper::kCFOptionsName = "ColumnFamilyOptions";
class ConfigurableMutableCFOptions : public Configurable {
public:
ConfigurableMutableCFOptions(const MutableCFOptions& mcf) {
explicit ConfigurableMutableCFOptions(const MutableCFOptions& mcf) {
mutable_ = mcf;
ConfigurableHelper::RegisterOptions(*this, &mutable_,
&cf_mutable_options_type_info);
RegisterOptions(&mutable_, &cf_mutable_options_type_info);
}
protected:
@ -705,8 +704,7 @@ class ConfigurableCFOptions : public ConfigurableMutableCFOptions {
immutable_(ImmutableDBOptions(), opts),
cf_options_(opts),
opt_map_(map) {
ConfigurableHelper::RegisterOptions(*this, &immutable_,
&cf_immutable_options_type_info);
RegisterOptions(&immutable_, &cf_immutable_options_type_info);
}
protected:

8
options/configurable.cc
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@ -17,10 +17,10 @@
namespace ROCKSDB_NAMESPACE {
void ConfigurableHelper::RegisterOptions(
Configurable& configurable, const std::string& name, void* opt_ptr,
void Configurable::RegisterOptions(
const std::string& name, void* opt_ptr,
const std::unordered_map<std::string, OptionTypeInfo>* type_map) {
Configurable::RegisteredOptions opts;
RegisteredOptions opts;
opts.name = name;
#ifndef ROCKSDB_LITE
opts.type_map = type_map;
@ -28,7 +28,7 @@ void ConfigurableHelper::RegisterOptions(
(void)type_map;
#endif // ROCKSDB_LITE
opts.opt_ptr = opt_ptr;
configurable.options_.emplace_back(opts);
options_.emplace_back(opts);
}
//*************************************************************************

29
options/configurable_helper.h
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@ -22,35 +22,6 @@ class ConfigurableHelper {
public:
constexpr static const char* kIdPropName = "id";
constexpr static const char* kIdPropSuffix = ".id";
// Registers the input name with the options and associated map.
// When classes register their options in this manner, most of the
// functionality (excluding unknown options and validate/prepare) is
// implemented by the base class.
//
// This method should be called in the class constructor to register the
// option set for this object. For example, to register the options
// associated with the BlockBasedTableFactory, the constructor calls this
// method passing in:
// - the name of the options ("BlockBasedTableOptions");
// - the options object (the BlockBasedTableOptions object for this object;
// - the options type map for the BlockBasedTableOptions.
// This registration allows the Configurable class to process the option
// values associated with the BlockBasedTableOptions without further code in
// the derived class.
//
// @param name The name of this set of options (@see GetOptionsPtr)
// @param opt_ptr Pointer to the options to associate with this name
// @param opt_map Options map that controls how this option is configured.
template <typename T>
static void RegisterOptions(
Configurable& configurable, T* opt_ptr,
const std::unordered_map<std::string, OptionTypeInfo>* opt_map) {
RegisterOptions(configurable, T::kName(), opt_ptr, opt_map);
}
static void RegisterOptions(
Configurable& configurable, const std::string& name, void* opt_ptr,
const std::unordered_map<std::string, OptionTypeInfo>* opt_map);
// Configures the input Configurable object based on the parameters.
// On successful completion, the Configurable is updated with the settings
// from the opt_map.

27
options/configurable_test.cc
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@ -78,18 +78,15 @@ class SimpleConfigurable : public TestConfigurable<Configurable> {
: TestConfigurable(name, mode, map) {
if ((mode & TestConfigMode::kUniqueMode) != 0) {
unique_.reset(SimpleConfigurable::Create("Unique" + name_));
ConfigurableHelper::RegisterOptions(*this, name_ + "Unique", &unique_,
&unique_option_info);
RegisterOptions(name_ + "Unique", &unique_, &unique_option_info);
}
if ((mode & TestConfigMode::kSharedMode) != 0) {
shared_.reset(SimpleConfigurable::Create("Shared" + name_));
ConfigurableHelper::RegisterOptions(*this, name_ + "Shared", &shared_,
&shared_option_info);
RegisterOptions(name_ + "Shared", &shared_, &shared_option_info);
}
if ((mode & TestConfigMode::kRawPtrMode) != 0) {
pointer_ = SimpleConfigurable::Create("Pointer" + name_);
ConfigurableHelper::RegisterOptions(*this, name_ + "Pointer", &pointer_,
&pointer_option_info);
RegisterOptions(name_ + "Pointer", &pointer_, &pointer_option_info);
}
}
@ -250,19 +247,15 @@ class ValidatedConfigurable : public SimpleConfigurable {
: SimpleConfigurable(name, TestConfigMode::kDefaultMode),
validated(false),
prepared(0) {
ConfigurableHelper::RegisterOptions(*this, "Validated", &validated,
&validated_option_info);
ConfigurableHelper::RegisterOptions(*this, "Prepared", &prepared,
&prepared_option_info);
RegisterOptions("Validated", &validated, &validated_option_info);
RegisterOptions("Prepared", &prepared, &prepared_option_info);
if ((mode & TestConfigMode::kUniqueMode) != 0) {
unique_.reset(new ValidatedConfigurable(
"Unique" + name_, TestConfigMode::kDefaultMode, false));
if (dont_prepare) {
ConfigurableHelper::RegisterOptions(*this, name_ + "Unique", &unique_,
&dont_prepare_option_info);
RegisterOptions(name_ + "Unique", &unique_, &dont_prepare_option_info);
} else {
ConfigurableHelper::RegisterOptions(*this, name_ + "Unique", &unique_,
&unique_option_info);
RegisterOptions(name_ + "Unique", &unique_, &unique_option_info);
}
}
}
@ -353,10 +346,8 @@ TEST_F(ConfigurableTest, MutableOptionsTest) {
: SimpleConfigurable("mutable", TestConfigMode::kDefaultMode |
TestConfigMode::kUniqueMode |
TestConfigMode::kSharedMode) {
ConfigurableHelper::RegisterOptions(*this, "struct", &options_,
&struct_option_info);
ConfigurableHelper::RegisterOptions(*this, "imm", &options_,
&imm_option_info);
RegisterOptions("struct", &options_, &struct_option_info);
RegisterOptions("imm", &options_, &imm_option_info);
}
};
MutableConfigurable mc;

5
options/configurable_test.h
View File

@ -112,11 +112,10 @@ class TestConfigurable : public Configurable {
: name_(name), pointer_(nullptr) {
prefix_ = "test." + name + ".";
if ((mode & TestConfigMode::kSimpleMode) != 0) {
ConfigurableHelper::RegisterOptions(*this, name_, &options_, map);
RegisterOptions(name_, &options_, map);
}
if ((mode & TestConfigMode::kEnumMode) != 0) {
ConfigurableHelper::RegisterOptions(*this, name_ + "Enum", &options_,
&enum_option_info);
RegisterOptions(name_ + "Enum", &options_, &enum_option_info);
}
}

1
options/customizable_helper.h
View File

@ -9,7 +9,6 @@
#include <unordered_map>
#include "options/configurable_helper.h"
#include "options/options_helper.h"
#include "rocksdb/convenience.h"
#include "rocksdb/customizable.h"
#include "rocksdb/status.h"

25
options/customizable_test.cc
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@ -98,8 +98,9 @@ static std::unordered_map<std::string, OptionTypeInfo> a_option_info = {
};
class ACustomizable : public TestCustomizable {
public:
ACustomizable(const std::string& id) : TestCustomizable("A"), id_(id) {
ConfigurableHelper::RegisterOptions(*this, "A", &opts_, &a_option_info);
explicit ACustomizable(const std::string& id)
: TestCustomizable("A"), id_(id) {
RegisterOptions("A", &opts_, &a_option_info);
}
std::string GetId() const override { return id_; }
static const char* kClassName() { return "A"; }
@ -141,8 +142,8 @@ static std::unordered_map<std::string, OptionTypeInfo> b_option_info = {
class BCustomizable : public TestCustomizable {
private:
public:
BCustomizable(const std::string& name) : TestCustomizable(name) {
ConfigurableHelper::RegisterOptions(*this, name, &opts_, &b_option_info);
explicit BCustomizable(const std::string& name) : TestCustomizable(name) {
RegisterOptions(name, &opts_, &b_option_info);
}
static const char* kClassName() { return "B"; }
@ -246,13 +247,12 @@ class SimpleConfigurable : public Configurable {
public:
SimpleConfigurable() {
ConfigurableHelper::RegisterOptions(*this, "simple", &simple_,
&simple_option_info);
RegisterOptions("simple", &simple_, &simple_option_info);
}
SimpleConfigurable(
explicit SimpleConfigurable(
const std::unordered_map<std::string, OptionTypeInfo>* map) {
ConfigurableHelper::RegisterOptions(*this, "simple", &simple_, map);
RegisterOptions("simple", &simple_, map);
}
bool IsPrepared() const override {
@ -509,8 +509,7 @@ class ShallowCustomizable : public Customizable {
public:
ShallowCustomizable() {
inner_ = std::make_shared<ACustomizable>("a");
ConfigurableHelper::RegisterOptions(*this, "inner", &inner_,
&inner_option_info);
RegisterOptions("inner", &inner_, &inner_option_info);
};
static const char* kClassName() { return "shallow"; }
const char* Name() const override { return kClassName(); }
@ -641,10 +640,8 @@ TEST_F(CustomizableTest, MutableOptionsTest) {
public:
MutableCustomizable() {
ConfigurableHelper::RegisterOptions(*this, "mutable", &mutable_,
&mutable_option_info);
ConfigurableHelper::RegisterOptions(*this, "immutable", &immutable_,
&immutable_option_info);
RegisterOptions("mutable", &mutable_, &mutable_option_info);
RegisterOptions("immutable", &immutable_, &immutable_option_info);
}
const char* Name() const override { return "MutableCustomizable"; }
};

10
options/db_options.cc
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@ -435,10 +435,9 @@ const std::string OptionsHelper::kDBOptionsName = "DBOptions";
class MutableDBConfigurable : public Configurable {
public:
MutableDBConfigurable(const MutableDBOptions& mdb) {
explicit MutableDBConfigurable(const MutableDBOptions& mdb) {
mutable_ = mdb;
ConfigurableHelper::RegisterOptions(*this, &mutable_,
&db_mutable_options_type_info);
RegisterOptions(&mutable_, &db_mutable_options_type_info);
}
protected:
@ -447,7 +446,7 @@ class MutableDBConfigurable : public Configurable {
class DBOptionsConfigurable : public MutableDBConfigurable {
public:
DBOptionsConfigurable(const DBOptions& opts)
explicit DBOptionsConfigurable(const DBOptions& opts)
: MutableDBConfigurable(MutableDBOptions(opts)), db_options_(opts) {
// The ImmutableDBOptions currently requires the env to be non-null. Make
// sure it is
@ -458,8 +457,7 @@ class DBOptionsConfigurable : public MutableDBConfigurable {
copy.env = Env::Default();
immutable_ = ImmutableDBOptions(copy);
}
ConfigurableHelper::RegisterOptions(*this, &immutable_,
&db_immutable_options_type_info);
RegisterOptions(&immutable_, &db_immutable_options_type_info);
}
protected:

3
table/block_based/block_based_table_factory.cc
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@ -428,8 +428,7 @@ BlockBasedTableFactory::BlockBasedTableFactory(
const BlockBasedTableOptions& _table_options)
: table_options_(_table_options) {
InitializeOptions();
ConfigurableHelper::RegisterOptions(*this, &table_options_,
&block_based_table_type_info);
RegisterOptions(&table_options_, &block_based_table_type_info);
}
void BlockBasedTableFactory::InitializeOptions() {

3
table/cuckoo/cuckoo_table_factory.cc
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@ -95,8 +95,7 @@ static std::unordered_map<std::string, OptionTypeInfo> cuckoo_table_type_info =
CuckooTableFactory::CuckooTableFactory(const CuckooTableOptions& table_options)
: table_options_(table_options) {
ConfigurableHelper::RegisterOptions(*this, &table_options_,
&cuckoo_table_type_info);
RegisterOptions(&table_options_, &cuckoo_table_type_info);
}
TableFactory* NewCuckooTableFactory(const CuckooTableOptions& table_options) {

3
table/plain/plain_table_factory.cc
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@ -52,8 +52,7 @@ static std::unordered_map<std::string, OptionTypeInfo> plain_table_type_info = {
PlainTableFactory::PlainTableFactory(const PlainTableOptions& options)
: table_options_(options) {
ConfigurableHelper::RegisterOptions(*this, &table_options_,
&plain_table_type_info);
RegisterOptions(&table_options_, &plain_table_type_info);
}
Status PlainTableFactory::NewTableReader(