/*
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* Copyright (C) 2017 The Android Open Source Project
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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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* http://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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*/
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#ifndef ANDROID_SENSOR_DEVICE_UTIL
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#define ANDROID_SENSOR_DEVICE_UTIL
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#include <android/hidl/manager/1.0/IServiceNotification.h>
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#include <condition_variable>
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#include <thread>
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using ::android::hardware::hidl_string;
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using ::android::hardware::Return;
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using ::android::hidl::manager::V1_0::IServiceNotification;
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namespace android {
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namespace SensorDeviceUtils {
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class HidlServiceRegistrationWaiter : public IServiceNotification {
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public:
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HidlServiceRegistrationWaiter();
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Return<void> onRegistration(const hidl_string &fqName,
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const hidl_string &name,
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bool preexisting) override;
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void reset();
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/**
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* Wait for service restart
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*
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* @return true if service is restart since last reset(); false otherwise.
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*/
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bool wait();
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protected:
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void onFirstRef() override;
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private:
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bool mRegistered;
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std::mutex mLock;
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std::condition_variable mCondition;
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bool mRestartObserved;
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};
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} // namespace SensorDeviceUtils
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} // namespace android;
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#endif // ANDROID_SENSOR_SERVICE_UTIL
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