Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 126 insertions, 0 deletions

diff --git a/src/rocksdb/options/configurable_test.h b/src/rocksdb/options/configurable_test.h
new file mode 100644
index 000000000..cf9d06678
--- /dev/null
+++ b/src/rocksdb/options/configurable_test.h
@@ -0,0 +1,126 @@
+//  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