11a00e2d5fb819c95ade644146020c83551208af1Peng Xu/* 21a00e2d5fb819c95ade644146020c83551208af1Peng Xu * Copyright (C) 2017 The Android Open Source Project 31a00e2d5fb819c95ade644146020c83551208af1Peng Xu * 41a00e2d5fb819c95ade644146020c83551208af1Peng Xu * Licensed under the Apache License, Version 2.0 (the "License"); 51a00e2d5fb819c95ade644146020c83551208af1Peng Xu * you may not use this file except in compliance with the License. 61a00e2d5fb819c95ade644146020c83551208af1Peng Xu * You may obtain a copy of the License at 71a00e2d5fb819c95ade644146020c83551208af1Peng Xu * 81a00e2d5fb819c95ade644146020c83551208af1Peng Xu * http://www.apache.org/licenses/LICENSE-2.0 91a00e2d5fb819c95ade644146020c83551208af1Peng Xu * 101a00e2d5fb819c95ade644146020c83551208af1Peng Xu * Unless required by applicable law or agreed to in writing, software 111a00e2d5fb819c95ade644146020c83551208af1Peng Xu * distributed under the License is distributed on an "AS IS" BASIS, 121a00e2d5fb819c95ade644146020c83551208af1Peng Xu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131a00e2d5fb819c95ade644146020c83551208af1Peng Xu * See the License for the specific language governing permissions and 141a00e2d5fb819c95ade644146020c83551208af1Peng Xu * limitations under the License. 151a00e2d5fb819c95ade644146020c83551208af1Peng Xu */ 161a00e2d5fb819c95ade644146020c83551208af1Peng Xu 171a00e2d5fb819c95ade644146020c83551208af1Peng Xu#include "SensorDeviceUtils.h" 181a00e2d5fb819c95ade644146020c83551208af1Peng Xu 191a00e2d5fb819c95ade644146020c83551208af1Peng Xu#include <android/hardware/sensors/1.0/ISensors.h> 201a00e2d5fb819c95ade644146020c83551208af1Peng Xu#include <utils/Log.h> 211a00e2d5fb819c95ade644146020c83551208af1Peng Xu 221a00e2d5fb819c95ade644146020c83551208af1Peng Xu#include <chrono> 231a00e2d5fb819c95ade644146020c83551208af1Peng Xu#include <thread> 241a00e2d5fb819c95ade644146020c83551208af1Peng Xu 251a00e2d5fb819c95ade644146020c83551208af1Peng Xuusing ::android::hardware::Void; 261a00e2d5fb819c95ade644146020c83551208af1Peng Xuusing namespace android::hardware::sensors::V1_0; 271a00e2d5fb819c95ade644146020c83551208af1Peng Xu 281a00e2d5fb819c95ade644146020c83551208af1Peng Xunamespace android { 291a00e2d5fb819c95ade644146020c83551208af1Peng Xunamespace SensorDeviceUtils { 301a00e2d5fb819c95ade644146020c83551208af1Peng Xu 31b41e87ae680beefd0d39a127d1ea0b2614caa5f9Martijn CoenenHidlServiceRegistrationWaiter::HidlServiceRegistrationWaiter() { 32a53e89d23480db1bcc166afd0179ee4856cd38b5Yifan Hong} 33a53e89d23480db1bcc166afd0179ee4856cd38b5Yifan Hong 34a53e89d23480db1bcc166afd0179ee4856cd38b5Yifan Hongvoid HidlServiceRegistrationWaiter::onFirstRef() { 35a53e89d23480db1bcc166afd0179ee4856cd38b5Yifan Hong // Creating sp<...>(this) in the constructor should be avoided, hence 36a53e89d23480db1bcc166afd0179ee4856cd38b5Yifan Hong // registerForNotifications is called in onFirstRef callback. 37b41e87ae680beefd0d39a127d1ea0b2614caa5f9Martijn Coenen mRegistered = ISensors::registerForNotifications("default", this); 381a00e2d5fb819c95ade644146020c83551208af1Peng Xu} 391a00e2d5fb819c95ade644146020c83551208af1Peng Xu 401a00e2d5fb819c95ade644146020c83551208af1Peng XuReturn<void> HidlServiceRegistrationWaiter::onRegistration( 411a00e2d5fb819c95ade644146020c83551208af1Peng Xu const hidl_string &fqName, const hidl_string &name, bool preexisting) { 421a00e2d5fb819c95ade644146020c83551208af1Peng Xu ALOGV("onRegistration fqName %s, name %s, preexisting %d", 431a00e2d5fb819c95ade644146020c83551208af1Peng Xu fqName.c_str(), name.c_str(), preexisting); 441a00e2d5fb819c95ade644146020c83551208af1Peng Xu 451a00e2d5fb819c95ade644146020c83551208af1Peng Xu { 461a00e2d5fb819c95ade644146020c83551208af1Peng Xu std::lock_guard<std::mutex> lk(mLock); 471a00e2d5fb819c95ade644146020c83551208af1Peng Xu mRestartObserved = true; 481a00e2d5fb819c95ade644146020c83551208af1Peng Xu } 491a00e2d5fb819c95ade644146020c83551208af1Peng Xu mCondition.notify_all(); 501a00e2d5fb819c95ade644146020c83551208af1Peng Xu return Void(); 511a00e2d5fb819c95ade644146020c83551208af1Peng Xu} 521a00e2d5fb819c95ade644146020c83551208af1Peng Xu 531a00e2d5fb819c95ade644146020c83551208af1Peng Xuvoid HidlServiceRegistrationWaiter::reset() { 541a00e2d5fb819c95ade644146020c83551208af1Peng Xu std::lock_guard<std::mutex> lk(mLock); 551a00e2d5fb819c95ade644146020c83551208af1Peng Xu mRestartObserved = false; 561a00e2d5fb819c95ade644146020c83551208af1Peng Xu} 571a00e2d5fb819c95ade644146020c83551208af1Peng Xu 581a00e2d5fb819c95ade644146020c83551208af1Peng Xubool HidlServiceRegistrationWaiter::wait() { 591a00e2d5fb819c95ade644146020c83551208af1Peng Xu constexpr int DEFAULT_WAIT_MS = 100; 601a00e2d5fb819c95ade644146020c83551208af1Peng Xu constexpr int TIMEOUT_MS = 1000; 611a00e2d5fb819c95ade644146020c83551208af1Peng Xu 621a00e2d5fb819c95ade644146020c83551208af1Peng Xu if (!mRegistered) { 631a00e2d5fb819c95ade644146020c83551208af1Peng Xu ALOGW("Cannot register service notification, use default wait(%d ms)", DEFAULT_WAIT_MS); 641a00e2d5fb819c95ade644146020c83551208af1Peng Xu std::this_thread::sleep_for(std::chrono::milliseconds(DEFAULT_WAIT_MS)); 651a00e2d5fb819c95ade644146020c83551208af1Peng Xu // not sure if service is actually restarted 661a00e2d5fb819c95ade644146020c83551208af1Peng Xu return false; 671a00e2d5fb819c95ade644146020c83551208af1Peng Xu } 681a00e2d5fb819c95ade644146020c83551208af1Peng Xu 691a00e2d5fb819c95ade644146020c83551208af1Peng Xu std::unique_lock<std::mutex> lk(mLock); 701a00e2d5fb819c95ade644146020c83551208af1Peng Xu return mCondition.wait_for(lk, std::chrono::milliseconds(TIMEOUT_MS), 711a00e2d5fb819c95ade644146020c83551208af1Peng Xu [this]{return mRestartObserved;}); 721a00e2d5fb819c95ade644146020c83551208af1Peng Xu} 731a00e2d5fb819c95ade644146020c83551208af1Peng Xu 741a00e2d5fb819c95ade644146020c83551208af1Peng Xu} // namespace SensorDeviceUtils 751a00e2d5fb819c95ade644146020c83551208af1Peng Xu} // namespace android 76