| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * 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 |
| * |
| * http://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. |
| */ |
| |
| #pragma once |
| |
| #include <chrono> |
| #include <string> |
| |
| namespace android::hardware::health::storage::test { |
| |
| // Dev GC timeout. This is the timeout used by vold. |
| const uint64_t kDevGcTimeoutSec = 120; |
| const std::chrono::seconds kDevGcTimeout{kDevGcTimeoutSec}; |
| // Dev GC timeout tolerance. The HAL may not immediately return after the |
| // timeout, so include an acceptable tolerance. |
| const std::chrono::seconds kDevGcTolerance{3}; |
| // Time accounted for RPC calls. |
| const std::chrono::milliseconds kRpcTime{1000}; |
| |
| template <typename R> |
| std::string to_string(std::chrono::duration<R, std::milli> time) { |
| return std::to_string(time.count()) + "ms"; |
| } |
| |
| /** An atomic boolean flag that indicates whether a task has finished. */ |
| class Flag { |
| public: |
| void OnFinish() { |
| std::unique_lock<std::mutex> lock(mutex_); |
| OnFinishLocked(&lock); |
| } |
| template <typename R, typename P> |
| bool Wait(std::chrono::duration<R, P> duration) { |
| std::unique_lock<std::mutex> lock(mutex_); |
| return WaitLocked(&lock, duration); |
| } |
| |
| protected: |
| /** Will unlock. */ |
| void OnFinishLocked(std::unique_lock<std::mutex>* lock) { |
| finished_ = true; |
| lock->unlock(); |
| cv_.notify_all(); |
| } |
| template <typename R, typename P> |
| bool WaitLocked(std::unique_lock<std::mutex>* lock, std::chrono::duration<R, P> duration) { |
| cv_.wait_for(*lock, duration, [this] { return finished_; }); |
| return finished_; |
| } |
| |
| bool finished_{false}; |
| std::mutex mutex_; |
| std::condition_variable cv_; |
| }; |
| |
| } // namespace android::hardware::health::storage::test |