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/*
* Copyright (C) 2017 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 <cerrno>
#include <vector>
#include <android-base/logging.h>
#include "Thermal.h"
#include "thermal-helper.h"
namespace android {
namespace hardware {
namespace thermal {
namespace V1_1 {
namespace implementation {
Thermal::Thermal() : enabled(initThermal()) {}
namespace {
// Saves the IThermalCallback client object registered from the
// framework for sending thermal events to the framework thermal event bus.
sp<IThermalCallback> gThermalCallback;
struct ThermalDeathRecipient : hidl_death_recipient {
virtual void serviceDied(
uint64_t cookie __unused, const wp<IBase>& who __unused) {
gThermalCallback = nullptr;
LOG(ERROR) << "IThermalCallback HIDL service died";
}
};
sp<ThermalDeathRecipient> gThermalCallbackDied = nullptr;
} // anonymous namespace
// Methods from ::android::hardware::thermal::V1_0::IThermal follow.
Return<void> Thermal::getTemperatures(getTemperatures_cb _hidl_cb) {
ThermalStatus status;
status.code = ThermalStatusCode::SUCCESS;
hidl_vec<Temperature> temperatures;
temperatures.resize(kTemperatureNum);
if (!enabled) {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = "Unsupported hardware";
_hidl_cb(status, temperatures);
return Void();
}
ssize_t ret = fillTemperatures(&temperatures);
if (ret < 0) {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-ret);
}
_hidl_cb(status, temperatures);
for (auto& t : temperatures) {
LOG(DEBUG) << "getTemperatures "
<< " Type: " << static_cast<int>(t.type)
<< " Name: " << t.name
<< " CurrentValue: " << t.currentValue
<< " ThrottlingThreshold: " << t.throttlingThreshold
<< " ShutdownThreshold: " << t.shutdownThreshold
<< " VrThrottlingThreshold: " << t.vrThrottlingThreshold;
}
return Void();
}
Return<void> Thermal::getCpuUsages(getCpuUsages_cb _hidl_cb) {
ThermalStatus status;
status.code = ThermalStatusCode::SUCCESS;
hidl_vec<CpuUsage> cpuUsages;
cpuUsages.resize(kCpuNum);
if (!enabled) {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = "Unsupported hardware";
_hidl_cb(status, cpuUsages);
return Void();
}
ssize_t ret = fillCpuUsages(&cpuUsages);
if (ret < 0) {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-ret);
}
for (auto& u : cpuUsages) {
LOG(DEBUG) << "getCpuUsages "
<< " Name: " << u.name
<< " Active: " << u.active
<< " Total: " << u.total
<< " IsOnline: " << u.isOnline;
}
_hidl_cb(status, cpuUsages);
return Void();
}
Return<void> Thermal::getCoolingDevices(getCoolingDevices_cb _hidl_cb) {
ThermalStatus status;
status.code = ThermalStatusCode::SUCCESS;
hidl_vec<CoolingDevice> coolingDevices;
if (!enabled) {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = "Unsupported hardware";
_hidl_cb(status, coolingDevices);
return Void();
}
LOG(DEBUG) << "No Cooling Device";
_hidl_cb(status, coolingDevices);
return Void();
}
// Methods from ::android::hardware::thermal::V1_1::IThermal follow.
Return<void> Thermal::registerThermalCallback(
const sp<IThermalCallback>& callback) {
gThermalCallback = callback;
if (gThermalCallback != nullptr) {
if (gThermalCallbackDied == nullptr)
gThermalCallbackDied = new ThermalDeathRecipient();
if (gThermalCallbackDied != nullptr)
gThermalCallback->linkToDeath(
gThermalCallbackDied, 0x451F /* cookie, unused */);
LOG(INFO) << "ThermalCallback registered";
} else {
LOG(INFO) << "ThermalCallback unregistered";
}
return Void();
}
// Local functions used internally by thermal-engine follow.
std::string Thermal::getSkinSensorType() {
return getTargetSkinSensorType();
}
void Thermal::notifyThrottling(
bool isThrottling, const Temperature& temperature) {
if (gThermalCallback != nullptr) {
Return<void> ret =
gThermalCallback->notifyThrottling(isThrottling, temperature);
if (!ret.isOk()) {
if (ret.isDeadObject()) {
gThermalCallback = nullptr;
LOG(WARNING) << "Dropped throttling event, ThermalCallback died";
} else {
LOG(WARNING) <<
"Failed to send throttling event to ThermalCallback";
}
}
} else {
LOG(WARNING) <<
"Dropped throttling event, no ThermalCallback registered";
}
}
} // namespace implementation
} // namespace V1_1
} // namespace thermal
} // namespace hardware
} // namespace android
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