| /* |
| * 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. |
| */ |
| |
| #include "src/android_internal/health_hal.h" |
| |
| #include <android/hardware/health/2.0/IHealth.h> |
| #include <healthhalutils/HealthHalUtils.h> |
| |
| namespace perfetto { |
| namespace android_internal { |
| |
| using ::android::hardware::health::V2_0::IHealth; |
| using ::android::hardware::health::V2_0::Result; |
| |
| namespace { |
| |
| android::sp<IHealth> g_svc; |
| |
| void ResetService() { |
| g_svc = ::android::hardware::health::V2_0::get_health_service(); |
| } |
| |
| } // namespace |
| |
| bool GetBatteryCounter(BatteryCounter counter, int64_t* value) { |
| *value = 0; |
| if (!g_svc) |
| ResetService(); |
| |
| if (!g_svc) |
| return false; |
| |
| // The Android VNDK documentation states that for blocking services, the |
| // caller blocks until the reply is received and the callback is called inline |
| // in the same thread. |
| // See https://source.android.com/devices/architecture/hidl/threading . |
| |
| Result res; |
| switch (counter) { |
| case BatteryCounter::kUnspecified: |
| res = Result::NOT_FOUND; |
| break; |
| |
| case BatteryCounter::kCharge: |
| g_svc->getChargeCounter([&res, value](Result hal_res, int32_t hal_value) { |
| res = hal_res; |
| *value = hal_value; |
| }); |
| break; |
| |
| case BatteryCounter::kCapacityPercent: |
| g_svc->getCapacity([&res, value](Result hal_res, int64_t hal_value) { |
| res = hal_res; |
| *value = hal_value; |
| }); |
| break; |
| |
| case BatteryCounter::kCurrent: |
| g_svc->getCurrentNow([&res, value](Result hal_res, int32_t hal_value) { |
| res = hal_res; |
| *value = hal_value; |
| }); |
| break; |
| |
| case BatteryCounter::kCurrentAvg: |
| g_svc->getCurrentAverage( |
| [&res, value](Result hal_res, int32_t hal_value) { |
| res = hal_res; |
| *value = hal_value; |
| }); |
| break; |
| } // switch(counter) |
| |
| if (res == Result::CALLBACK_DIED) |
| g_svc.clear(); |
| |
| return res == Result::SUCCESS; |
| } |
| |
| } // namespace android_internal |
| } // namespace perfetto |