53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <folly/executors/IOExecutor.h>
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#include <folly/fibers/FiberManagerMap.h>
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namespace folly {
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/**
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* @class FiberIOExecutor
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* @brief An IOExecutor that executes funcs under mapped fiber context
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*
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* A FiberIOExecutor wraps an IOExecutor, but executes funcs on the FiberManager
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* mapped to the underlying IOExector's event base.
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*/
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class FiberIOExecutor : public IOExecutor {
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public:
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explicit FiberIOExecutor(
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const std::shared_ptr<IOExecutor>& ioExecutor,
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fibers::FiberManager::Options opts = fibers::FiberManager::Options())
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: ioExecutor_(ioExecutor), options_(std::move(opts)) {}
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virtual void add(folly::Function<void()> f) override {
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auto eventBase = ioExecutor_->getEventBase();
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folly::fibers::getFiberManager(*eventBase, options_).add(std::move(f));
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}
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virtual folly::EventBase* getEventBase() override {
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return ioExecutor_->getEventBase();
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}
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private:
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std::shared_ptr<IOExecutor> ioExecutor_;
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fibers::FiberManager::Options options_;
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};
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} // namespace folly
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