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SERVER-30135 Added a synchronous executor to make the code path betwe…
…en the two modes similar while still allowing customization in the execution. Should fix some perf regressions that came with unifying the service state machine.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /** | ||
| * Copyright (C) 2017 MongoDB Inc. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License, version 3, | ||
| * as published by the Free Software Foundation. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| * As a special exception, the copyright holders give permission to link the | ||
| * code of portions of this program with the OpenSSL library under certain | ||
| * conditions as described in each individual source file and distribute | ||
| * linked combinations including the program with the OpenSSL library. You | ||
| * must comply with the GNU Affero General Public License in all respects for | ||
| * all of the code used other than as permitted herein. If you modify file(s) | ||
| * with this exception, you may extend this exception to your version of the | ||
| * file(s), but you are not obligated to do so. If you do not wish to do so, | ||
| * delete this exception statement from your version. If you delete this | ||
| * exception statement from all source files in the program, then also delete | ||
| * it in the license file. | ||
| */ | ||
|
|
||
| #pragma once | ||
|
|
||
| #include <type_traits> | ||
|
|
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| namespace mongo { | ||
|
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| template <typename Enum> | ||
| struct EnableBitMaskOperators { | ||
| static const bool enable = false; | ||
| }; | ||
|
|
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| template <typename Enum> | ||
| typename std::enable_if<EnableBitMaskOperators<Enum>::enable, Enum>::type operator&(Enum lhs, | ||
| Enum rhs) { | ||
| using underlying = typename std::underlying_type<Enum>::type; | ||
| return static_cast<Enum>(static_cast<underlying>(lhs) & static_cast<underlying>(rhs)); | ||
| } | ||
|
|
||
| template <typename Enum> | ||
| typename std::enable_if<EnableBitMaskOperators<Enum>::enable, Enum>::type operator|(Enum lhs, | ||
| Enum rhs) { | ||
| using underlying = typename std::underlying_type<Enum>::type; | ||
| return static_cast<Enum>(static_cast<underlying>(lhs) | static_cast<underlying>(rhs)); | ||
| } | ||
|
|
||
| template <typename Enum> | ||
| typename std::enable_if<EnableBitMaskOperators<Enum>::enable, Enum>::type operator^(Enum lhs, | ||
| Enum rhs) { | ||
| using underlying = typename std::underlying_type<Enum>::type; | ||
| return static_cast<Enum>(static_cast<underlying>(lhs) ^ static_cast<underlying>(rhs)); | ||
| } | ||
|
|
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| template <typename Enum> | ||
| typename std::enable_if<EnableBitMaskOperators<Enum>::enable, Enum>::type operator~(Enum rhs) { | ||
| return static_cast<Enum>(~static_cast<typename std::underlying_type<Enum>::type>(rhs)); | ||
| } | ||
|
|
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| template <typename Enum> | ||
| typename std::enable_if<EnableBitMaskOperators<Enum>::enable, Enum&>::type operator|=(Enum& lhs, | ||
| Enum rhs) { | ||
| using underlying = typename std::underlying_type<Enum>::type; | ||
| lhs = static_cast<Enum>(static_cast<underlying>(lhs) | static_cast<underlying>(rhs)); | ||
| return lhs; | ||
| } | ||
|
|
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| template <typename Enum> | ||
| typename std::enable_if<EnableBitMaskOperators<Enum>::enable, Enum&>::type operator&=(Enum& lhs, | ||
| Enum rhs) { | ||
| using underlying = typename std::underlying_type<Enum>::type; | ||
| lhs = static_cast<Enum>(static_cast<underlying>(lhs) & static_cast<underlying>(rhs)); | ||
| return lhs; | ||
| } | ||
|
|
||
| template <typename Enum> | ||
| typename std::enable_if<EnableBitMaskOperators<Enum>::enable, Enum&>::type operator^=(Enum& lhs, | ||
| Enum rhs) { | ||
| using underlying = typename std::underlying_type<Enum>::type; | ||
| lhs = static_cast<Enum>(static_cast<underlying>(lhs) ^ static_cast<underlying>(rhs)); | ||
| return lhs; | ||
| } | ||
|
|
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| } // namespace mongo | ||
|
|
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| #define ENABLE_BITMASK_OPERATORS(x) \ | ||
| \ | ||
| template <> \ | ||
| \ | ||
| struct EnableBitMaskOperators<x> { \ | ||
| static_assert(std::is_enum<typename x>::value, "template parameter is not an enum type"); \ | ||
| static const bool enable = true; \ | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /** | ||
| * Copyright (C) 2017 MongoDB Inc. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License, version 3, | ||
| * as published by the Free Software Foundation. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| * As a special exception, the copyright holders give permission to link the | ||
| * code of portions of this program with the OpenSSL library under certain | ||
| * conditions as described in each individual source file and distribute | ||
| * linked combinations including the program with the OpenSSL library. You | ||
| * must comply with the GNU Affero General Public License in all respects for | ||
| * all of the code used other than as permitted herein. If you modify file(s) | ||
| * with this exception, you may extend this exception to your version of the | ||
| * file(s), but you are not obligated to do so. If you do not wish to do so, | ||
| * delete this exception statement from your version. If you delete this | ||
| * exception statement from all source files in the program, then also delete | ||
| * it in the license file. | ||
| */ | ||
|
|
||
| #pragma once | ||
|
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| #include "mongo/base/status.h" | ||
| #include "mongo/transport/service_executor.h" | ||
|
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| namespace mongo { | ||
| namespace transport { | ||
|
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| /** | ||
| * The noop service executor provides the necessary interface for some unittests. Doesn't actually | ||
| * execute any work | ||
| */ | ||
| class ServiceExecutorNoop final : public ServiceExecutor { | ||
| public: | ||
| explicit ServiceExecutorNoop(ServiceContext* ctx) {} | ||
|
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| Status start() override { | ||
| return Status::OK(); | ||
| } | ||
| Status shutdown() override { | ||
| return Status::OK(); | ||
| } | ||
| Status schedule(Task task, ScheduleFlags flags) override { | ||
| return Status::OK(); | ||
| } | ||
|
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| Mode transportMode() const override { | ||
| return Mode::kSynchronous; | ||
| } | ||
|
|
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| void appendStats(BSONObjBuilder* bob) const override {} | ||
| }; | ||
|
|
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| } // namespace transport | ||
| } // namespace mongo |
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