mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
// Copyright 2021 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "internal/platform/implementation/windows/scheduled_executor.h"
|
|
|
|
#include <crtdbg.h>
|
|
|
|
#include <memory>
|
|
#include <utility>
|
|
|
|
#include "absl/time/time.h"
|
|
#include "internal/flags/nearby_flags.h"
|
|
#include "internal/platform/flags/nearby_platform_feature_flags.h"
|
|
#include "internal/platform/implementation/cancelable.h"
|
|
#include "internal/platform/logging.h"
|
|
#include "internal/platform/mutex_lock.h"
|
|
#include "internal/platform/runnable.h"
|
|
|
|
namespace nearby {
|
|
namespace windows {
|
|
|
|
ScheduledExecutor::ScheduledExecutor()
|
|
: executor_(std::make_unique<nearby::windows::Executor>()),
|
|
shut_down_(false) {}
|
|
|
|
// Cancelable is kept both in the executor context, and in the caller context.
|
|
// We want Cancelable to live until both caller and executor are done with it.
|
|
// Exclusive ownership model does not work for this case;
|
|
// using std:shared_ptr<> instead of std::unique_ptr<>.
|
|
std::shared_ptr<api::Cancelable> ScheduledExecutor::Schedule(
|
|
Runnable&& runnable, absl::Duration duration) {
|
|
MutexLock lock(&mutex_);
|
|
if (NearbyFlags::GetInstance().GetBoolFlag(
|
|
platform::config_package_nearby::nearby_platform_feature::
|
|
kEnableTaskScheduler)) {
|
|
return task_scheduler_.Schedule(std::move(runnable), duration);
|
|
} else {
|
|
if (shut_down_) {
|
|
NEARBY_LOGS(ERROR) << __func__
|
|
<< ": Attempt to Schedule on a shut down executor.";
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
// Cleans completed tasks
|
|
auto it = scheduled_tasks_.begin();
|
|
while (it != scheduled_tasks_.end()) {
|
|
if ((*it)->IsDone()) {
|
|
it = scheduled_tasks_.erase(it);
|
|
} else {
|
|
++it;
|
|
}
|
|
}
|
|
|
|
std::shared_ptr<ScheduledTask> task =
|
|
std::make_shared<ScheduledTask>(std::move(runnable), duration);
|
|
|
|
scheduled_tasks_.push_back(task);
|
|
executor_->Execute([task]() { task->Start(); });
|
|
return task;
|
|
}
|
|
}
|
|
|
|
void ScheduledExecutor::Execute(Runnable&& runnable) {
|
|
MutexLock lock(&mutex_);
|
|
if (shut_down_) {
|
|
NEARBY_LOGS(ERROR) << __func__
|
|
<< ": Attempt to Execute on a shut down executor.";
|
|
return;
|
|
}
|
|
|
|
executor_->Execute(std::move(runnable));
|
|
}
|
|
|
|
void ScheduledExecutor::Shutdown() {
|
|
MutexLock lock(&mutex_);
|
|
if (!shut_down_) {
|
|
shut_down_ = true;
|
|
for (auto& task : scheduled_tasks_) {
|
|
task->Cancel();
|
|
}
|
|
|
|
scheduled_tasks_.clear();
|
|
executor_->Shutdown();
|
|
return;
|
|
}
|
|
NEARBY_LOGS(ERROR) << __func__
|
|
<< ": Attempt to Shutdown on a shut down executor.";
|
|
}
|
|
} // namespace windows
|
|
} // namespace nearby
|