health/2.0/default/Health.cpp - platform/hardware/interfaces - Git at Google

 /*
  * Copyright (C) 2018 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.
  */
 #define LOG_TAG "android.hardware.health@2.0-impl"
 #include <android-base/logging.h>

 #include <android-base/file.h>
 #include <health2/Health.h>

 #include <hal_conversion.h>
 #include <hidl/HidlTransportSupport.h>

 extern void healthd_battery_update_internal(bool);

 namespace android {
 namespace hardware {
 namespace health {
 namespace V2_0 {
 namespace implementation {

 sp<Health> Health::instance_;

 Health::Health(struct healthd_config* c) {
     // TODO(b/69268160): remove when libhealthd is removed.
     healthd_board_init(c);
     battery_monitor_ = std::make_unique<BatteryMonitor>();
     battery_monitor_->init(c);
 }

 // Methods from IHealth follow.
 Return<Result> Health::registerCallback(const sp<IHealthInfoCallback>& callback) {
     if (callback == nullptr) {
         return Result::SUCCESS;
     }

     {
         std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
         callbacks_.push_back(callback);
         // unlock
     }

     auto linkRet = callback->linkToDeath(this, 0u /* cookie */);
     if (!linkRet.withDefault(false)) {
         LOG(WARNING) << __func__ << "Cannot link to death: "
                      << (linkRet.isOk() ? "linkToDeath returns false" : linkRet.description());
         // ignore the error
     }

     return updateAndNotify(callback);
 }

 bool Health::unregisterCallbackInternal(const sp<IBase>& callback) {
     if (callback == nullptr) return false;

     bool removed = false;
     std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
     for (auto it = callbacks_.begin(); it != callbacks_.end();) {
         if (interfacesEqual(*it, callback)) {
             it = callbacks_.erase(it);
             removed = true;
         } else {
             ++it;
         }
     }
     (void)callback->unlinkToDeath(this).isOk();  // ignore errors
     return removed;
 }

 Return<Result> Health::unregisterCallback(const sp<IHealthInfoCallback>& callback) {
     return unregisterCallbackInternal(callback) ? Result::SUCCESS : Result::NOT_FOUND;
 }

 template <typename T>
 void getProperty(const std::unique_ptr<BatteryMonitor>& monitor, int id, T defaultValue,
                  const std::function<void(Result, T)>& callback) {
     struct BatteryProperty prop;
     T ret = defaultValue;
     Result result = Result::SUCCESS;
     status_t err = monitor->getProperty(static_cast<int>(id), &prop);
     if (err != OK) {
         LOG(DEBUG) << "getProperty(" << id << ")"
                    << " fails: (" << err << ") " << strerror(-err);
     } else {
         ret = static_cast<T>(prop.valueInt64);
     }
     switch (err) {
         case OK:
             result = Result::SUCCESS;
             break;
         case NAME_NOT_FOUND:
             result = Result::NOT_SUPPORTED;
             break;
         default:
             result = Result::UNKNOWN;
             break;
     }
     callback(result, static_cast<T>(ret));
 }

 Return<void> Health::getChargeCounter(getChargeCounter_cb _hidl_cb) {
     getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CHARGE_COUNTER, 0, _hidl_cb);
     return Void();
 }

 Return<void> Health::getCurrentNow(getCurrentNow_cb _hidl_cb) {
     getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CURRENT_NOW, 0, _hidl_cb);
     return Void();
 }

 Return<void> Health::getCurrentAverage(getCurrentAverage_cb _hidl_cb) {
     getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CURRENT_AVG, 0, _hidl_cb);
     return Void();
 }

 Return<void> Health::getCapacity(getCapacity_cb _hidl_cb) {
     getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CAPACITY, 0, _hidl_cb);
     return Void();
 }

 Return<void> Health::getEnergyCounter(getEnergyCounter_cb _hidl_cb) {
     getProperty<int64_t>(battery_monitor_, BATTERY_PROP_ENERGY_COUNTER, 0, _hidl_cb);
     return Void();
 }

 Return<void> Health::getChargeStatus(getChargeStatus_cb _hidl_cb) {
     getProperty(battery_monitor_, BATTERY_PROP_BATTERY_STATUS, BatteryStatus::UNKNOWN, _hidl_cb);
     return Void();
 }

 Return<Result> Health::update() {
     if (!healthd_mode_ops || !healthd_mode_ops->battery_update) {
         LOG(WARNING) << "health@2.0: update: not initialized. "
                      << "update() should not be called in charger";
         return Result::UNKNOWN;
     }

     // Retrieve all information and call healthd_mode_ops->battery_update, which calls
     // notifyListeners.
     bool chargerOnline = battery_monitor_->update();

     // adjust uevent / wakealarm periods
     healthd_battery_update_internal(chargerOnline);

     return Result::SUCCESS;
 }

 Return<Result> Health::updateAndNotify(const sp<IHealthInfoCallback>& callback) {
     std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
     std::vector<sp<IHealthInfoCallback>> storedCallbacks{std::move(callbacks_)};
     callbacks_.clear();
     if (callback != nullptr) {
         callbacks_.push_back(callback);
     }
     Return<Result> result = update();
     callbacks_ = std::move(storedCallbacks);
     return result;
 }

 void Health::notifyListeners(HealthInfo* healthInfo) {
     std::vector<StorageInfo> info;
     get_storage_info(info);

     std::vector<DiskStats> stats;
     get_disk_stats(stats);

     int32_t currentAvg = 0;

     struct BatteryProperty prop;
     status_t ret = battery_monitor_->getProperty(BATTERY_PROP_CURRENT_AVG, &prop);
     if (ret == OK) {
         currentAvg = static_cast<int32_t>(prop.valueInt64);
     }

     healthInfo->batteryCurrentAverage = currentAvg;
     healthInfo->diskStats = stats;
     healthInfo->storageInfos = info;

     std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
     for (auto it = callbacks_.begin(); it != callbacks_.end();) {
         auto ret = (*it)->healthInfoChanged(*healthInfo);
         if (!ret.isOk() && ret.isDeadObject()) {
             it = callbacks_.erase(it);
         } else {
             ++it;
         }
     }
 }

 Return<void> Health::debug(const hidl_handle& handle, const hidl_vec<hidl_string>&) {
     if (handle != nullptr && handle->numFds >= 1) {
         int fd = handle->data[0];
         battery_monitor_->dumpState(fd);

         getHealthInfo([fd](auto res, const auto& info) {
             android::base::WriteStringToFd("\ngetHealthInfo -> ", fd);
             if (res == Result::SUCCESS) {
                 android::base::WriteStringToFd(toString(info), fd);
             } else {
                 android::base::WriteStringToFd(toString(res), fd);
             }
             android::base::WriteStringToFd("\n", fd);
         });

         fsync(fd);
     }
     return Void();
 }

 Return<void> Health::getStorageInfo(getStorageInfo_cb _hidl_cb) {
     std::vector<struct StorageInfo> info;
     get_storage_info(info);
     hidl_vec<struct StorageInfo> info_vec(info);
     if (!info.size()) {
         _hidl_cb(Result::NOT_SUPPORTED, info_vec);
     } else {
         _hidl_cb(Result::SUCCESS, info_vec);
     }
     return Void();
 }

 Return<void> Health::getDiskStats(getDiskStats_cb _hidl_cb) {
     std::vector<struct DiskStats> stats;
     get_disk_stats(stats);
     hidl_vec<struct DiskStats> stats_vec(stats);
     if (!stats.size()) {
         _hidl_cb(Result::NOT_SUPPORTED, stats_vec);
     } else {
         _hidl_cb(Result::SUCCESS, stats_vec);
     }
     return Void();
 }

 Return<void> Health::getHealthInfo(getHealthInfo_cb _hidl_cb) {
     using android::hardware::health::V1_0::hal_conversion::convertToHealthInfo;

     updateAndNotify(nullptr);
     struct android::BatteryProperties p = getBatteryProperties(battery_monitor_.get());

     V1_0::HealthInfo batteryInfo;
     convertToHealthInfo(&p, batteryInfo);

     std::vector<StorageInfo> info;
     get_storage_info(info);

     std::vector<DiskStats> stats;
     get_disk_stats(stats);

     int32_t currentAvg = 0;

     struct BatteryProperty prop;
     status_t ret = battery_monitor_->getProperty(BATTERY_PROP_CURRENT_AVG, &prop);
     if (ret == OK) {
         currentAvg = static_cast<int32_t>(prop.valueInt64);
     }

     V2_0::HealthInfo healthInfo = {};
     healthInfo.legacy = std::move(batteryInfo);
     healthInfo.batteryCurrentAverage = currentAvg;
     healthInfo.diskStats = stats;
     healthInfo.storageInfos = info;

     _hidl_cb(Result::SUCCESS, healthInfo);
     return Void();
 }

 void Health::serviceDied(uint64_t /* cookie */, const wp<IBase>& who) {
     (void)unregisterCallbackInternal(who.promote());
 }

 sp<IHealth> Health::initInstance(struct healthd_config* c) {
     if (instance_ == nullptr) {
         instance_ = new Health(c);
     }
     return instance_;
 }

 sp<Health> Health::getImplementation() {
     CHECK(instance_ != nullptr);
     return instance_;
 }

 }  // namespace implementation
 }  // namespace V2_0
 }  // namespace health
 }  // namespace hardware
 }  // namespace android
	/*
	* Copyright (C) 2018 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.
	*/
	#define LOG_TAG "android.hardware.health@2.0-impl"
	#include <android-base/logging.h>

	#include <android-base/file.h>
	#include <health2/Health.h>

	#include <hal_conversion.h>
	#include <hidl/HidlTransportSupport.h>

	extern void healthd_battery_update_internal(bool);

	namespace android {
	namespace hardware {
	namespace health {
	namespace V2_0 {
	namespace implementation {

	sp<Health> Health::instance_;

	Health::Health(struct healthd_config* c) {
	// TODO(b/69268160): remove when libhealthd is removed.
	healthd_board_init(c);
	battery_monitor_ = std::make_unique<BatteryMonitor>();
	battery_monitor_->init(c);
	}

	// Methods from IHealth follow.
	Return<Result> Health::registerCallback(const sp<IHealthInfoCallback>& callback) {
	if (callback == nullptr) {
	return Result::SUCCESS;
	}

	{
	std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
	callbacks_.push_back(callback);
	// unlock
	}

	auto linkRet = callback->linkToDeath(this, 0u /* cookie */);
	if (!linkRet.withDefault(false)) {
	LOG(WARNING) << __func__ << "Cannot link to death: "
	<< (linkRet.isOk() ? "linkToDeath returns false" : linkRet.description());
	// ignore the error
	}

	return updateAndNotify(callback);
	}

	bool Health::unregisterCallbackInternal(const sp<IBase>& callback) {
	if (callback == nullptr) return false;

	bool removed = false;
	std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
	for (auto it = callbacks_.begin(); it != callbacks_.end();) {
	if (interfacesEqual(*it, callback)) {
	it = callbacks_.erase(it);
	removed = true;
	} else {
	++it;
	}
	}
	(void)callback->unlinkToDeath(this).isOk(); // ignore errors
	return removed;
	}

	Return<Result> Health::unregisterCallback(const sp<IHealthInfoCallback>& callback) {
	return unregisterCallbackInternal(callback) ? Result::SUCCESS : Result::NOT_FOUND;
	}

	template <typename T>
	void getProperty(const std::unique_ptr<BatteryMonitor>& monitor, int id, T defaultValue,
	const std::function<void(Result, T)>& callback) {
	struct BatteryProperty prop;
	T ret = defaultValue;
	Result result = Result::SUCCESS;
	status_t err = monitor->getProperty(static_cast<int>(id), &prop);
	if (err != OK) {
	LOG(DEBUG) << "getProperty(" << id << ")"
	<< " fails: (" << err << ") " << strerror(-err);
	} else {
	ret = static_cast<T>(prop.valueInt64);
	}
	switch (err) {
	case OK:
	result = Result::SUCCESS;
	break;
	case NAME_NOT_FOUND:
	result = Result::NOT_SUPPORTED;
	break;
	default:
	result = Result::UNKNOWN;
	break;
	}
	callback(result, static_cast<T>(ret));
	}

	Return<void> Health::getChargeCounter(getChargeCounter_cb _hidl_cb) {
	getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CHARGE_COUNTER, 0, _hidl_cb);
	return Void();
	}

	Return<void> Health::getCurrentNow(getCurrentNow_cb _hidl_cb) {
	getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CURRENT_NOW, 0, _hidl_cb);
	return Void();
	}

	Return<void> Health::getCurrentAverage(getCurrentAverage_cb _hidl_cb) {
	getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CURRENT_AVG, 0, _hidl_cb);
	return Void();
	}

	Return<void> Health::getCapacity(getCapacity_cb _hidl_cb) {
	getProperty<int32_t>(battery_monitor_, BATTERY_PROP_CAPACITY, 0, _hidl_cb);
	return Void();
	}

	Return<void> Health::getEnergyCounter(getEnergyCounter_cb _hidl_cb) {
	getProperty<int64_t>(battery_monitor_, BATTERY_PROP_ENERGY_COUNTER, 0, _hidl_cb);
	return Void();
	}

	Return<void> Health::getChargeStatus(getChargeStatus_cb _hidl_cb) {
	getProperty(battery_monitor_, BATTERY_PROP_BATTERY_STATUS, BatteryStatus::UNKNOWN, _hidl_cb);
	return Void();
	}

	Return<Result> Health::update() {
	if (!healthd_mode_ops \|\| !healthd_mode_ops->battery_update) {
	LOG(WARNING) << "health@2.0: update: not initialized. "
	<< "update() should not be called in charger";
	return Result::UNKNOWN;
	}

	// Retrieve all information and call healthd_mode_ops->battery_update, which calls
	// notifyListeners.
	bool chargerOnline = battery_monitor_->update();

	// adjust uevent / wakealarm periods
	healthd_battery_update_internal(chargerOnline);

	return Result::SUCCESS;
	}

	Return<Result> Health::updateAndNotify(const sp<IHealthInfoCallback>& callback) {
	std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
	std::vector<sp<IHealthInfoCallback>> storedCallbacks{std::move(callbacks_)};
	callbacks_.clear();
	if (callback != nullptr) {
	callbacks_.push_back(callback);
	}
	Return<Result> result = update();
	callbacks_ = std::move(storedCallbacks);
	return result;
	}

	void Health::notifyListeners(HealthInfo* healthInfo) {
	std::vector<StorageInfo> info;
	get_storage_info(info);

	std::vector<DiskStats> stats;
	get_disk_stats(stats);

	int32_t currentAvg = 0;

	struct BatteryProperty prop;
	status_t ret = battery_monitor_->getProperty(BATTERY_PROP_CURRENT_AVG, &prop);
	if (ret == OK) {
	currentAvg = static_cast<int32_t>(prop.valueInt64);
	}

	healthInfo->batteryCurrentAverage = currentAvg;
	healthInfo->diskStats = stats;
	healthInfo->storageInfos = info;

	std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
	for (auto it = callbacks_.begin(); it != callbacks_.end();) {
	auto ret = (it)->healthInfoChanged(healthInfo);
	if (!ret.isOk() && ret.isDeadObject()) {
	it = callbacks_.erase(it);
	} else {
	++it;
	}
	}
	}

	Return<void> Health::debug(const hidl_handle& handle, const hidl_vec<hidl_string>&) {
	if (handle != nullptr && handle->numFds >= 1) {
	int fd = handle->data[0];
	battery_monitor_->dumpState(fd);

	getHealthInfo([fd](auto res, const auto& info) {
	android::base::WriteStringToFd("\ngetHealthInfo -> ", fd);
	if (res == Result::SUCCESS) {
	android::base::WriteStringToFd(toString(info), fd);
	} else {
	android::base::WriteStringToFd(toString(res), fd);
	}
	android::base::WriteStringToFd("\n", fd);
	});

	fsync(fd);
	}
	return Void();
	}

	Return<void> Health::getStorageInfo(getStorageInfo_cb _hidl_cb) {
	std::vector<struct StorageInfo> info;
	get_storage_info(info);
	hidl_vec<struct StorageInfo> info_vec(info);
	if (!info.size()) {
	_hidl_cb(Result::NOT_SUPPORTED, info_vec);
	} else {
	_hidl_cb(Result::SUCCESS, info_vec);
	}
	return Void();
	}

	Return<void> Health::getDiskStats(getDiskStats_cb _hidl_cb) {
	std::vector<struct DiskStats> stats;
	get_disk_stats(stats);
	hidl_vec<struct DiskStats> stats_vec(stats);
	if (!stats.size()) {
	_hidl_cb(Result::NOT_SUPPORTED, stats_vec);
	} else {
	_hidl_cb(Result::SUCCESS, stats_vec);
	}
	return Void();
	}

	Return<void> Health::getHealthInfo(getHealthInfo_cb _hidl_cb) {
	using android::hardware::health::V1_0::hal_conversion::convertToHealthInfo;

	updateAndNotify(nullptr);
	struct android::BatteryProperties p = getBatteryProperties(battery_monitor_.get());

	V1_0::HealthInfo batteryInfo;
	convertToHealthInfo(&p, batteryInfo);

	std::vector<StorageInfo> info;
	get_storage_info(info);

	std::vector<DiskStats> stats;
	get_disk_stats(stats);

	int32_t currentAvg = 0;

	struct BatteryProperty prop;
	status_t ret = battery_monitor_->getProperty(BATTERY_PROP_CURRENT_AVG, &prop);
	if (ret == OK) {
	currentAvg = static_cast<int32_t>(prop.valueInt64);
	}

	V2_0::HealthInfo healthInfo = {};
	healthInfo.legacy = std::move(batteryInfo);
	healthInfo.batteryCurrentAverage = currentAvg;
	healthInfo.diskStats = stats;
	healthInfo.storageInfos = info;

	_hidl_cb(Result::SUCCESS, healthInfo);
	return Void();
	}

	void Health::serviceDied(uint64_t /* cookie */, const wp<IBase>& who) {
	(void)unregisterCallbackInternal(who.promote());
	}

	sp<IHealth> Health::initInstance(struct healthd_config* c) {
	if (instance_ == nullptr) {
	instance_ = new Health(c);
	}
	return instance_;
	}

	sp<Health> Health::getImplementation() {
	CHECK(instance_ != nullptr);
	return instance_;
	}

	} // namespace implementation
	} // namespace V2_0
	} // namespace health
	} // namespace hardware
	} // namespace android