mirror of
https://github.com/kidfromjupiter/nearby.git
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71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
// Copyright 2021 Google LLC
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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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// https://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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#include "internal/platform/implementation/windows/scheduled_executor.h"
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#include <crtdbg.h>
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#include <memory>
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#include <utility>
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#include "absl/time/time.h"
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#include "internal/flags/nearby_flags.h"
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#include "internal/platform/flags/nearby_platform_feature_flags.h"
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#include "internal/platform/implementation/cancelable.h"
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#include "internal/platform/logging.h"
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#include "internal/platform/runnable.h"
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namespace nearby {
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namespace windows {
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ScheduledExecutor::ScheduledExecutor()
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: executor_(std::make_unique<nearby::windows::Executor>()),
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shut_down_(false) {}
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// Cancelable is kept both in the executor context, and in the caller context.
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// We want Cancelable to live until both caller and executor are done with it.
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// Exclusive ownership model does not work for this case;
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// using std:shared_ptr<> instead of std::unique_ptr<>.
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std::shared_ptr<api::Cancelable> ScheduledExecutor::Schedule(
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Runnable&& runnable, absl::Duration duration) {
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if (shut_down_) {
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LOG(ERROR) << __func__ << ": Attempt to Schedule on a shut down executor.";
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return nullptr;
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}
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return task_scheduler_.Schedule(std::move(runnable), duration);
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}
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void ScheduledExecutor::Execute(Runnable&& runnable) {
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if (shut_down_) {
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LOG(ERROR) << __func__ << ": Attempt to Execute on a shut down executor.";
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return;
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}
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executor_->Execute(std::move(runnable));
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}
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void ScheduledExecutor::Shutdown() {
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if (!shut_down_) {
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shut_down_ = true;
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executor_->Shutdown();
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task_scheduler_.Shutdown();
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return;
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}
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LOG(ERROR) << __func__ << ": Attempt to Shutdown on a shut down executor.";
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}
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} // namespace windows
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} // namespace nearby
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