mirror of
https://github.com/kidfromjupiter/nearby.git
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82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
// Copyright 2022-2023 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/test/fake_task_runner.h"
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#include <memory>
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#include <utility>
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#include <vector>
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#include "absl/synchronization/mutex.h"
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#include "absl/synchronization/notification.h"
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#include "absl/time/time.h"
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#include "internal/platform/count_down_latch.h"
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#include "internal/test/fake_timer.h"
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namespace nearby {
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std::atomic_uint FakeTaskRunner::total_running_thread_count_ = 0;
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FakeTaskRunner::~FakeTaskRunner() { absl::MutexLock lock(&mutex_); }
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bool FakeTaskRunner::PostTask(absl::AnyInvocable<void()> task) {
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absl::MutexLock lock(&mutex_);
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++total_running_thread_count_;
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task_executor_->Execute([task = std::move(task)]() mutable {
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task();
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--total_running_thread_count_;
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});
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return true;
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}
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bool FakeTaskRunner::PostDelayedTask(absl::Duration delay,
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absl::AnyInvocable<void()> task) {
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absl::MutexLock lock(&mutex_);
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std::unique_ptr<Timer> timer = std::make_unique<FakeTimer>(clock_);
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Timer* timer_ptr = timer.get();
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timers_.push_back(std::move(timer));
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timer_ptr->Start(
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delay / absl::Milliseconds(1), 0,
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[this, task = std::move(task)]() mutable { PostTask(std::move(task)); });
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return true;
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}
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void FakeTaskRunner::Sync() {
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absl::Notification notification;
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PostTask([&] { notification.Notify(); });
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notification.WaitForNotification();
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}
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bool FakeTaskRunner::SyncWithTimeout(absl::Duration timeout) {
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CountDownLatch latch(count_);
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for (int i = 0; i < count_; ++i) {
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PostTask([&] { latch.CountDown(); });
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}
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auto result = latch.Await(timeout);
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return result.ok() && result.result();
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}
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bool FakeTaskRunner::WaitForRunningTasksWithTimeout(absl::Duration timeout) {
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int i = (timeout / absl::Milliseconds(1)) / 50;
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while (total_running_thread_count_ != 0 && i > 0) {
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absl::SleepFor(absl::Milliseconds(50));
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--i;
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}
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return total_running_thread_count_ == 0;
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}
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} // namespace nearby
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