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394 lines
16 KiB
394 lines
16 KiB
/*
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* Copyright (C) 2018 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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#include <cerrno>
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#include <mutex>
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#include <string>
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <hidl/HidlTransportSupport.h>
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#include "Thermal.h"
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#include "thermal-helper.h"
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namespace android {
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namespace hardware {
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namespace thermal {
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namespace V2_0 {
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namespace implementation {
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namespace {
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using ::android::hardware::interfacesEqual;
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using ::android::hardware::thermal::V1_0::ThermalStatus;
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using ::android::hardware::thermal::V1_0::ThermalStatusCode;
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using ::android::hidl::base::V1_0::IBase;
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template <typename T, typename U>
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Return<void> setFailureAndCallback(T _hidl_cb, hidl_vec<U> data, std::string_view debug_msg) {
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ThermalStatus status;
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status.code = ThermalStatusCode::FAILURE;
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status.debugMessage = debug_msg.data();
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_hidl_cb(status, data);
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return Void();
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}
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template <typename T, typename U>
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Return<void> setInitFailureAndCallback(T _hidl_cb, hidl_vec<U> data) {
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return setFailureAndCallback(_hidl_cb, data, "Failure initializing thermal HAL");
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}
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} // namespace
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// On init we will spawn a thread which will continually watch for
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// throttling. When throttling is seen, if we have a callback registered
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// the thread will call notifyThrottling() else it will log the dropped
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// throttling event and do nothing. The thread is only killed when
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// Thermal() is killed.
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Thermal::Thermal()
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: thermal_helper_(
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std::bind(&Thermal::sendThermalChangedCallback, this, std::placeholders::_1)) {}
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// Methods from ::android::hardware::thermal::V1_0::IThermal.
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Return<void> Thermal::getTemperatures(getTemperatures_cb _hidl_cb) {
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ThermalStatus status;
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status.code = ThermalStatusCode::SUCCESS;
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hidl_vec<Temperature_1_0> temperatures;
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if (!thermal_helper_.isInitializedOk()) {
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LOG(ERROR) << "ThermalHAL not initialized properly.";
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return setInitFailureAndCallback(_hidl_cb, temperatures);
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}
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if (!thermal_helper_.fillTemperatures(&temperatures)) {
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return setFailureAndCallback(_hidl_cb, temperatures, "Failed to read thermal sensors.");
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}
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_hidl_cb(status, temperatures);
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return Void();
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}
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Return<void> Thermal::getCpuUsages(getCpuUsages_cb _hidl_cb) {
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ThermalStatus status;
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status.code = ThermalStatusCode::SUCCESS;
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hidl_vec<CpuUsage> cpu_usages;
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if (!thermal_helper_.isInitializedOk()) {
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return setInitFailureAndCallback(_hidl_cb, cpu_usages);
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}
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if (!thermal_helper_.fillCpuUsages(&cpu_usages)) {
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return setFailureAndCallback(_hidl_cb, cpu_usages, "Failed to get CPU usages.");
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}
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_hidl_cb(status, cpu_usages);
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return Void();
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}
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Return<void> Thermal::getCoolingDevices(getCoolingDevices_cb _hidl_cb) {
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ThermalStatus status;
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status.code = ThermalStatusCode::SUCCESS;
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hidl_vec<CoolingDevice_1_0> cooling_devices;
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if (!thermal_helper_.isInitializedOk()) {
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return setInitFailureAndCallback(_hidl_cb, cooling_devices);
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}
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_hidl_cb(status, cooling_devices);
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return Void();
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}
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Return<void> Thermal::getCurrentTemperatures(bool filterType, TemperatureType_2_0 type,
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getCurrentTemperatures_cb _hidl_cb) {
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ThermalStatus status;
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status.code = ThermalStatusCode::SUCCESS;
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hidl_vec<Temperature_2_0> temperatures;
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if (!thermal_helper_.isInitializedOk()) {
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LOG(ERROR) << "ThermalHAL not initialized properly.";
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return setInitFailureAndCallback(_hidl_cb, temperatures);
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}
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if (!thermal_helper_.fillCurrentTemperatures(filterType, type, &temperatures)) {
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return setFailureAndCallback(_hidl_cb, temperatures, "Failed to read thermal sensors.");
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}
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_hidl_cb(status, temperatures);
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return Void();
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}
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Return<void> Thermal::getTemperatureThresholds(bool filterType, TemperatureType_2_0 type,
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getTemperatureThresholds_cb _hidl_cb) {
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ThermalStatus status;
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status.code = ThermalStatusCode::SUCCESS;
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hidl_vec<TemperatureThreshold> temperatures;
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if (!thermal_helper_.isInitializedOk()) {
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LOG(ERROR) << "ThermalHAL not initialized properly.";
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return setInitFailureAndCallback(_hidl_cb, temperatures);
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}
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if (!thermal_helper_.fillTemperatureThresholds(filterType, type, &temperatures)) {
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return setFailureAndCallback(_hidl_cb, temperatures, "Failed to read thermal sensors.");
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}
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_hidl_cb(status, temperatures);
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return Void();
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}
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Return<void> Thermal::getCurrentCoolingDevices(bool filterType, CoolingType type,
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getCurrentCoolingDevices_cb _hidl_cb) {
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ThermalStatus status;
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status.code = ThermalStatusCode::SUCCESS;
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hidl_vec<CoolingDevice_2_0> cooling_devices;
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if (!thermal_helper_.isInitializedOk()) {
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LOG(ERROR) << "ThermalHAL not initialized properly.";
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return setInitFailureAndCallback(_hidl_cb, cooling_devices);
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}
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if (!thermal_helper_.fillCurrentCoolingDevices(filterType, type, &cooling_devices)) {
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return setFailureAndCallback(_hidl_cb, cooling_devices, "Failed to read thermal sensors.");
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}
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_hidl_cb(status, cooling_devices);
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return Void();
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}
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Return<void> Thermal::registerThermalChangedCallback(const sp<IThermalChangedCallback> &callback,
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bool filterType, TemperatureType_2_0 type,
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registerThermalChangedCallback_cb _hidl_cb) {
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ThermalStatus status;
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if (callback == nullptr) {
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status.code = ThermalStatusCode::FAILURE;
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status.debugMessage = "Invalid nullptr callback";
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LOG(ERROR) << status.debugMessage;
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_hidl_cb(status);
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return Void();
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} else {
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status.code = ThermalStatusCode::SUCCESS;
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}
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std::lock_guard<std::mutex> _lock(thermal_callback_mutex_);
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if (std::any_of(callbacks_.begin(), callbacks_.end(), [&](const CallbackSetting &c) {
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return interfacesEqual(c.callback, callback);
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})) {
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status.code = ThermalStatusCode::FAILURE;
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status.debugMessage = "Same callback registered already";
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LOG(ERROR) << status.debugMessage;
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} else {
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callbacks_.emplace_back(callback, filterType, type);
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LOG(INFO) << "a callback has been registered to ThermalHAL, isFilter: " << filterType
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<< " Type: " << android::hardware::thermal::V2_0::toString(type);
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}
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_hidl_cb(status);
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return Void();
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}
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Return<void> Thermal::unregisterThermalChangedCallback(
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const sp<IThermalChangedCallback> &callback, unregisterThermalChangedCallback_cb _hidl_cb) {
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ThermalStatus status;
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if (callback == nullptr) {
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status.code = ThermalStatusCode::FAILURE;
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status.debugMessage = "Invalid nullptr callback";
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LOG(ERROR) << status.debugMessage;
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_hidl_cb(status);
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return Void();
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} else {
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status.code = ThermalStatusCode::SUCCESS;
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}
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bool removed = false;
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std::lock_guard<std::mutex> _lock(thermal_callback_mutex_);
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callbacks_.erase(
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std::remove_if(callbacks_.begin(), callbacks_.end(),
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[&](const CallbackSetting &c) {
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if (interfacesEqual(c.callback, callback)) {
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LOG(INFO)
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<< "a callback has been unregistered to ThermalHAL, isFilter: "
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<< c.is_filter_type << " Type: "
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<< android::hardware::thermal::V2_0::toString(c.type);
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removed = true;
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return true;
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}
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return false;
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}),
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callbacks_.end());
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if (!removed) {
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status.code = ThermalStatusCode::FAILURE;
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status.debugMessage = "The callback was not registered before";
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LOG(ERROR) << status.debugMessage;
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}
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_hidl_cb(status);
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return Void();
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}
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void Thermal::sendThermalChangedCallback(const std::vector<Temperature_2_0> &temps) {
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std::lock_guard<std::mutex> _lock(thermal_callback_mutex_);
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for (auto &t : temps) {
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LOG(INFO) << "Sending notification: "
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<< " Type: " << android::hardware::thermal::V2_0::toString(t.type)
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<< " Name: " << t.name << " CurrentValue: " << t.value << " ThrottlingStatus: "
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<< android::hardware::thermal::V2_0::toString(t.throttlingStatus);
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callbacks_.erase(
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std::remove_if(callbacks_.begin(), callbacks_.end(),
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[&](const CallbackSetting &c) {
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if (!c.is_filter_type || t.type == c.type) {
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Return<void> ret = c.callback->notifyThrottling(t);
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return !ret.isOk();
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}
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LOG(ERROR)
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<< "a Thermal callback is dead, removed from callback list.";
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return false;
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}),
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callbacks_.end());
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}
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}
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Return<void> Thermal::debug(const hidl_handle &handle, const hidl_vec<hidl_string> &) {
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if (handle != nullptr && handle->numFds >= 1) {
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int fd = handle->data[0];
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std::ostringstream dump_buf;
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if (!thermal_helper_.isInitializedOk()) {
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dump_buf << "ThermalHAL not initialized properly." << std::endl;
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} else {
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{
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hidl_vec<Temperature_1_0> temperatures;
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dump_buf << "getTemperatures:" << std::endl;
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if (!thermal_helper_.fillTemperatures(&temperatures)) {
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dump_buf << "Failed to read thermal sensors." << std::endl;
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}
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for (const auto &t : temperatures) {
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dump_buf << " Type: " << android::hardware::thermal::V1_0::toString(t.type)
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<< " Name: " << t.name << " CurrentValue: " << t.currentValue
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<< " ThrottlingThreshold: " << t.throttlingThreshold
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<< " ShutdownThreshold: " << t.shutdownThreshold
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<< " VrThrottlingThreshold: " << t.vrThrottlingThreshold << std::endl;
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}
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}
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{
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hidl_vec<CpuUsage> cpu_usages;
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dump_buf << "getCpuUsages:" << std::endl;
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if (!thermal_helper_.fillCpuUsages(&cpu_usages)) {
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dump_buf << "Failed to get CPU usages." << std::endl;
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}
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for (const auto &usage : cpu_usages) {
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dump_buf << " Name: " << usage.name << " Active: " << usage.active
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<< " Total: " << usage.total << " IsOnline: " << usage.isOnline
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<< std::endl;
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}
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}
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{
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dump_buf << "getCurrentTemperatures:" << std::endl;
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hidl_vec<Temperature_2_0> temperatures;
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if (!thermal_helper_.fillCurrentTemperatures(false, TemperatureType_2_0::SKIN,
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&temperatures)) {
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dump_buf << "Failed to getCurrentTemperatures." << std::endl;
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}
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for (const auto &t : temperatures) {
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dump_buf << " Type: " << android::hardware::thermal::V2_0::toString(t.type)
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<< " Name: " << t.name << " CurrentValue: " << t.value
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<< " ThrottlingStatus: "
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<< android::hardware::thermal::V2_0::toString(t.throttlingStatus)
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<< std::endl;
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}
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}
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{
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dump_buf << "getTemperatureThresholds:" << std::endl;
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hidl_vec<TemperatureThreshold> temperatures;
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if (!thermal_helper_.fillTemperatureThresholds(false, TemperatureType_2_0::SKIN,
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&temperatures)) {
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dump_buf << "Failed to getTemperatureThresholds." << std::endl;
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}
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for (const auto &t : temperatures) {
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dump_buf << " Type: " << android::hardware::thermal::V2_0::toString(t.type)
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<< " Name: " << t.name;
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dump_buf << " hotThrottlingThreshold: [";
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for (size_t i = 0; i < kThrottlingSeverityCount; ++i) {
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dump_buf << t.hotThrottlingThresholds[i] << " ";
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}
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dump_buf << "] coldThrottlingThreshold: [";
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for (size_t i = 0; i < kThrottlingSeverityCount; ++i) {
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dump_buf << t.coldThrottlingThresholds[i] << " ";
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}
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dump_buf << "] vrThrottlingThreshold: " << t.vrThrottlingThreshold;
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dump_buf << std::endl;
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}
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}
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{
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dump_buf << "getCurrentCoolingDevices:" << std::endl;
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hidl_vec<CoolingDevice_2_0> cooling_devices;
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if (!thermal_helper_.fillCurrentCoolingDevices(false, CoolingType::CPU,
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&cooling_devices)) {
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dump_buf << "Failed to getCurrentCoolingDevices." << std::endl;
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}
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for (const auto &c : cooling_devices) {
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dump_buf << " Type: " << android::hardware::thermal::V2_0::toString(c.type)
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<< " Name: " << c.name << " CurrentValue: " << c.value << std::endl;
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}
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}
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{
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dump_buf << "Callbacks: Total " << callbacks_.size() << std::endl;
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for (const auto &c : callbacks_) {
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dump_buf << " IsFilter: " << c.is_filter_type
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<< " Type: " << android::hardware::thermal::V2_0::toString(c.type)
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<< std::endl;
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}
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}
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{
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dump_buf << "getHysteresis:" << std::endl;
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const auto &map = thermal_helper_.GetSensorInfoMap();
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for (const auto &name_info_pair : map) {
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dump_buf << " Name: " << name_info_pair.first;
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dump_buf << " hotHysteresis: [";
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for (size_t i = 0; i < kThrottlingSeverityCount; ++i) {
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dump_buf << name_info_pair.second.hot_hysteresis[i] << " ";
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}
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dump_buf << "] coldHysteresis: [";
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for (size_t i = 0; i < kThrottlingSeverityCount; ++i) {
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dump_buf << name_info_pair.second.cold_hysteresis[i] << " ";
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}
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dump_buf << "]" << std::endl;
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}
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}
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{
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dump_buf << "Monitor:" << std::endl;
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const auto &map = thermal_helper_.GetSensorInfoMap();
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for (const auto &name_info_pair : map) {
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dump_buf << " Name: " << name_info_pair.first;
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dump_buf << " Monitor: " << std::boolalpha << name_info_pair.second.is_monitor
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<< std::noboolalpha << std::endl;
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}
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}
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}
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std::string buf = dump_buf.str();
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if (!android::base::WriteStringToFd(buf, fd)) {
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PLOG(ERROR) << "Failed to dump state to fd";
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}
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fsync(fd);
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}
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return Void();
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}
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} // namespace implementation
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} // namespace V2_0
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} // namespace thermal
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} // namespace hardware
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} // namespace android
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