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72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
// Copyright 2020 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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#ifndef PLATFORM_PUBLIC_MONITORED_RUNNABLE_H_
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#define PLATFORM_PUBLIC_MONITORED_RUNNABLE_H_
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#include <utility>
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#include "platform/base/runnable.h"
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#include "platform/public/logging.h"
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#include "platform/public/pending_job_registry.h"
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#include "platform/public/system_clock.h"
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#include "absl/time/time.h"
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namespace location {
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namespace nearby {
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// A runnable with extra logging
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// We log if the task has been waiting long on the executor or if it was running
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// for a long time. The latter isn't always an issue - some tasks are expected
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// to run for longer periods of time (minutes).
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class MonitoredRunnable {
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public:
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explicit MonitoredRunnable(Runnable&& runnable) : runnable_{runnable} {}
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MonitoredRunnable(const std::string& name, Runnable&& runnable)
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: name_{name}, runnable_{runnable} {
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PendingJobRegistry::GetInstance().AddPendingJob(name_, post_time_);
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}
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void operator()() const {
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auto start_time = SystemClock::ElapsedRealtime();
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auto start_delay = start_time - post_time_;
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if (start_delay >= kMinReportedStartDelay) {
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NEARBY_LOGS(INFO) << "Task: \"" << name_ << "\" started after "
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<< absl::ToInt64Seconds(start_delay) << " seconds";
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}
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PendingJobRegistry::GetInstance().RemovePendingJob(name_, post_time_);
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PendingJobRegistry::GetInstance().AddRunningJob(name_, post_time_);
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runnable_();
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auto task_duration = SystemClock::ElapsedRealtime() - start_time;
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if (task_duration >= kMinReportedTaskDuration) {
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NEARBY_LOGS(INFO) << "Task: \"" << name_ << "\" finished after "
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<< absl::ToInt64Seconds(task_duration) << " seconds";
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}
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PendingJobRegistry::GetInstance().RemoveRunningJob(name_, post_time_);
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PendingJobRegistry::GetInstance().ListJobs();
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}
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private:
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static constexpr absl::Duration kMinReportedStartDelay = absl::Seconds(5);
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static constexpr absl::Duration kMinReportedTaskDuration = absl::Seconds(10);
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const std::string name_;
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Runnable runnable_;
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absl::Time post_time_ = SystemClock::ElapsedRealtime();
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_PUBLIC_MONITORED_RUNNABLE_H_
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