blob: 4225fd8bb9ad9ba9a43e95009bec7c4a5476da25 [file] [log] [blame]
/*
* 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 <android/hardware/health/2.0/types.h>
#include <health2/Health.h>
#include <hal_conversion.h>
#include <hidl/HidlTransportSupport.h>
using HealthInfo_1_0 = android::hardware::health::V1_0::HealthInfo;
using android::hardware::health::V1_0::hal_conversion::convertFromHealthInfo;
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.
battery_monitor_->updateValues();
const HealthInfo_1_0& health_info = battery_monitor_->getHealthInfo_1_0();
struct BatteryProperties props;
convertFromHealthInfo(health_info, &props);
bool log = healthd_board_battery_update(&props);
if (log) {
battery_monitor_->logValues();
}
healthd_mode_ops->battery_update(&props);
bool chargerOnline = battery_monitor_->isChargerOnline();
// 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);
HealthInfo healthInfo = battery_monitor_->getHealthInfo_2_0();
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;
_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