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/*
* 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.
*/
#ifndef ANDROID_HARDWARE_THERMAL_V1_1_CROSSHATCH_THERMAL_H
#define ANDROID_HARDWARE_THERMAL_V1_1_CROSSHATCH_THERMAL_H
#include <future>
#include <thread>
#include <android/hardware/thermal/1.1/IThermalCallback.h>
#include <android/hardware/thermal/1.1/IThermal.h>
#include <hidl/Status.h>
#include <hidl/MQDescriptor.h>
#include "thermal-helper.h"
#include "utils/device_file_watcher.h"
namespace android {
namespace hardware {
namespace thermal {
namespace V1_1 {
namespace implementation {
using ::android::hardware::hidl_vec;
using ::android::hardware::thermal::V1_1::IThermal;
using ::android::hardware::thermal::V1_1::IThermalCallback;
using ::android::hardware::Return;
using ::android::sp;
class Thermal : public IThermal, public hidl_death_recipient {
public:
Thermal();
~Thermal() = default;
// Disallow copy and assign.
Thermal(const Thermal&) = delete;
void operator= (const Thermal&) = delete;
// Notify listeners whenever the HAL sees cpu throttling. This will be
// registered as a callback to cpu_throttling_watcher.
void notifyIfThrottlingSeen(
const std::pair<std::string, std::string>& throttling_data);
// This will be registered as a callback to cpu_throttling_watcher if we see
// a Q_OVERFLOW event. Right now this will just reread all throttling
// levels.
void resetStateWhenWatcherQueueOverflows();
// Methods from ::android::hardware::thermal::V1_0::IThermal.
Return<void> getTemperatures(getTemperatures_cb _hidl_cb) override;
Return<void> getCpuUsages(getCpuUsages_cb _hidl_cb) override;
Return<void> getCoolingDevices(getCoolingDevices_cb _hidl_cb) override;
// Methods from ::android::hardware::thermal::V1_1::IThermal.
Return<void> registerThermalCallback(
const sp<IThermalCallback>& cb) override;
// Methods from ::android::hardware::hidl_death_recipient.
void serviceDied(uint64_t cookie, const wp<IBase>& who) override;
// Methods from ::android::hidl::base::V1_0::IBase follow.
Return<void> debug(
const hidl_handle& fd, const hidl_vec<hidl_string>& args) override;
private:
ThermalHelper thermal_helper_;
DeviceFileWatcher cpu_throttling_watcher_;
};
} // namespace implementation
} // namespace V1_1
} // namespace thermal
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_THERMAL_V1_1_CROSSHATCH_THERMAL_H
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