| /****************************************************************************** |
| * |
| * Copyright 2020 Google, Inc. |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| |
| #include "os/internal/wakelock_native.h" |
| |
| #include <aidl/android/system/suspend/BnSuspendCallback.h> |
| #include <aidl/android/system/suspend/BnWakelockCallback.h> |
| #include <aidl/android/system/suspend/ISuspendControlService.h> |
| #include <android/binder_auto_utils.h> |
| #include <android/binder_interface_utils.h> |
| #include <android/binder_manager.h> |
| #include <android/binder_process.h> |
| #include <gtest/gtest.h> |
| |
| #include <chrono> |
| #include <future> |
| #include <memory> |
| #include <mutex> |
| |
| namespace testing { |
| |
| using aidl::android::system::suspend::BnSuspendCallback; |
| using aidl::android::system::suspend::BnWakelockCallback; |
| using aidl::android::system::suspend::ISuspendControlService; |
| using bluetooth::os::internal::WakelockNative; |
| using ndk::ScopedAStatus; |
| using ndk::SharedRefBase; |
| using ndk::SpAIBinder; |
| |
| static const std::string kTestWakelockName = "BtWakelockNativeTestLock"; |
| |
| static std::recursive_mutex mutex; |
| static std::unique_ptr<std::promise<void>> acquire_promise = nullptr; |
| static std::unique_ptr<std::promise<void>> release_promise = nullptr; |
| |
| class PromiseFutureContext { |
| public: |
| static void FulfilPromise(std::unique_ptr<std::promise<void>>& promise) { |
| std::lock_guard<std::recursive_mutex> lock_guard(mutex); |
| if (promise != nullptr) { |
| promise->set_value(); |
| promise = nullptr; |
| } |
| } |
| |
| explicit PromiseFutureContext(std::unique_ptr<std::promise<void>>& promise, bool expect_fulfillment) |
| : promise_(promise), expect_fulfillment_(expect_fulfillment) { |
| std::lock_guard<std::recursive_mutex> lock_guard(mutex); |
| EXPECT_EQ(promise_, nullptr); |
| promise_ = std::make_unique<std::promise<void>>(); |
| future_ = promise->get_future(); |
| } |
| |
| ~PromiseFutureContext() { |
| auto future_status = future_.wait_for(std::chrono::seconds(2)); |
| if (expect_fulfillment_) { |
| EXPECT_EQ(future_status, std::future_status::ready); |
| } else { |
| EXPECT_NE(future_status, std::future_status::ready); |
| } |
| std::lock_guard<std::recursive_mutex> lock_guard(mutex); |
| promise_ = nullptr; |
| } |
| |
| private: |
| std::unique_ptr<std::promise<void>>& promise_; |
| bool expect_fulfillment_ = true; |
| std::future<void> future_; |
| }; |
| |
| class WakelockCallback : public BnWakelockCallback { |
| public: |
| ScopedAStatus notifyAcquired() override { |
| std::lock_guard<std::recursive_mutex> lock_guard(mutex); |
| net_acquired_count++; |
| fprintf(stderr, "notifyAcquired, count = %d\n", net_acquired_count); |
| PromiseFutureContext::FulfilPromise(acquire_promise); |
| return ScopedAStatus::ok(); |
| } |
| ScopedAStatus notifyReleased() override { |
| std::lock_guard<std::recursive_mutex> lock_guard(mutex); |
| net_acquired_count--; |
| fprintf(stderr, "notifyReleased, count = %d\n", net_acquired_count); |
| PromiseFutureContext::FulfilPromise(release_promise); |
| return ScopedAStatus::ok(); |
| } |
| |
| int net_acquired_count = 0; |
| }; |
| |
| class SuspendCallback : public BnSuspendCallback { |
| public: |
| ScopedAStatus notifyWakeup(bool success, const std::vector<std::string>& wakeup_reasons) override { |
| std::lock_guard<std::recursive_mutex> lock_guard(mutex); |
| fprintf(stderr, "notifyWakeup\n"); |
| return ScopedAStatus::ok(); |
| } |
| }; |
| |
| // There is no way to unregister these callbacks besides when this process dies |
| // Hence, we want to have only one copy of these callbacks per process |
| static std::shared_ptr<SuspendCallback> suspend_callback = nullptr; |
| static std::shared_ptr<WakelockCallback> control_callback = nullptr; |
| |
| class WakelockNativeTest : public Test { |
| protected: |
| void SetUp() override { |
| ABinderProcess_setThreadPoolMaxThreadCount(1); |
| ABinderProcess_startThreadPool(); |
| |
| WakelockNative::Get().Initialize(); |
| |
| auto binder_raw = AServiceManager_getService("suspend_control"); |
| ASSERT_NE(binder_raw, nullptr); |
| binder.set(binder_raw); |
| control_service_ = ISuspendControlService::fromBinder(binder); |
| if (control_service_ == nullptr) { |
| FAIL() << "Fail to obtain suspend_control"; |
| } |
| |
| if (suspend_callback == nullptr) { |
| suspend_callback = SharedRefBase::make<SuspendCallback>(); |
| bool is_registered = false; |
| ScopedAStatus status = control_service_->registerCallback(suspend_callback, &is_registered); |
| if (!is_registered || !status.isOk()) { |
| FAIL() << "Fail to register suspend callback"; |
| } |
| } |
| |
| if (control_callback == nullptr) { |
| control_callback = SharedRefBase::make<WakelockCallback>(); |
| bool is_registered = false; |
| ScopedAStatus status = |
| control_service_->registerWakelockCallback(control_callback, kTestWakelockName, &is_registered); |
| if (!is_registered || !status.isOk()) { |
| FAIL() << "Fail to register wakeup callback"; |
| } |
| } |
| control_callback->net_acquired_count = 0; |
| } |
| |
| void TearDown() override { |
| control_service_ = nullptr; |
| binder.set(nullptr); |
| WakelockNative::Get().CleanUp(); |
| } |
| |
| SpAIBinder binder; |
| std::shared_ptr<ISuspendControlService> control_service_ = nullptr; |
| }; |
| |
| TEST_F(WakelockNativeTest, test_acquire_and_release_wakelocks) { |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| |
| { |
| PromiseFutureContext context(acquire_promise, true); |
| auto status = WakelockNative::Get().Acquire(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 1); |
| |
| { |
| PromiseFutureContext context(release_promise, true); |
| auto status = WakelockNative::Get().Release(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| } |
| |
| TEST_F(WakelockNativeTest, test_acquire_and_release_wakelocks_repeated_acquire) { |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| |
| { |
| PromiseFutureContext context(acquire_promise, true); |
| auto status = WakelockNative::Get().Acquire(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 1); |
| |
| { |
| PromiseFutureContext context(acquire_promise, false); |
| auto status = WakelockNative::Get().Acquire(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 1); |
| |
| { |
| PromiseFutureContext context(release_promise, true); |
| auto status = WakelockNative::Get().Release(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| } |
| |
| TEST_F(WakelockNativeTest, test_acquire_and_release_wakelocks_repeated_release) { |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| |
| { |
| PromiseFutureContext context(acquire_promise, true); |
| auto status = WakelockNative::Get().Acquire(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 1); |
| |
| { |
| PromiseFutureContext context(release_promise, true); |
| auto status = WakelockNative::Get().Release(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| |
| { |
| PromiseFutureContext context(release_promise, false); |
| auto status = WakelockNative::Get().Release(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| } |
| |
| TEST_F(WakelockNativeTest, test_acquire_and_release_wakelocks_in_a_loop) { |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| |
| for (int i = 0; i < 10; ++i) { |
| { |
| PromiseFutureContext context(acquire_promise, true); |
| auto status = WakelockNative::Get().Acquire(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 1); |
| |
| { |
| PromiseFutureContext context(release_promise, true); |
| auto status = WakelockNative::Get().Release(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| } |
| } |
| |
| TEST_F(WakelockNativeTest, test_clean_up) { |
| WakelockNative::Get().Initialize(); |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| |
| { |
| PromiseFutureContext context(acquire_promise, true); |
| auto status = WakelockNative::Get().Acquire(kTestWakelockName); |
| ASSERT_EQ(status, WakelockNative::StatusCode::SUCCESS); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 1); |
| |
| { |
| PromiseFutureContext context(release_promise, true); |
| WakelockNative::Get().CleanUp(); |
| } |
| ASSERT_EQ(control_callback->net_acquired_count, 0); |
| } |
| |
| } // namespace testing |