--- /dev/null
+cc_library {
+ name: "libthermalservice",
+
+ srcs: [
+ "aidl/android/os/IThermalEventListener.aidl",
+ "aidl/android/os/IThermalService.aidl",
+ "aidl/android/os/Temperature.cpp",
+ ],
+ aidl: {
+ include_dirs: ["frameworks/native/services/thermalservice/aidl"],
+ export_aidl_headers: true,
+ },
+ export_include_dirs: ["aidl"],
+
+ shared_libs: [
+ "libbinder",
+ "libutils",
+ ],
+
+ cflags: [
+ "-Wall",
+ "-Werror",
+ "-Wunused",
+ "-Wunreachable-code",
+ ],
+}
+
+cc_binary {
+ name: "thermalserviced",
+
+ srcs: [
+ "ThermalService.cpp",
+ "thermalserviced.cpp",
+ ],
+
+ shared_libs: [
+ "libthermalservice",
+ "libbinder",
+ "libutils",
+ ],
+
+ cflags: [
+ "-Wall",
+ "-Werror",
+ "-Wunused",
+ "-Wunreachable-code",
+ ],
+
+ init_rc: ["thermalservice.rc"],
+}
--- /dev/null
+/*
+ * 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 "ThermalService.h"
+#include <android/os/IThermalService.h>
+#include <android/os/IThermalEventListener.h>
+#include <android/os/Temperature.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+#include <utils/Errors.h>
+#include <utils/Mutex.h>
+#include <utils/String16.h>
+
+namespace android {
+namespace os {
+
+/**
+ * Notify registered listeners of a thermal throttling start/stop event.
+ * @param temperature the temperature at which the event was generated
+ */
+binder::Status ThermalService::notifyThrottling(
+ const bool isThrottling, const Temperature& temperature) {
+ Mutex::Autolock _l(mListenersLock);
+
+ mThrottled = isThrottling;
+ mThrottleTemperature = temperature;
+
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ mListeners[i]->notifyThrottling(isThrottling, temperature);
+ }
+ return binder::Status::ok();
+}
+
+/**
+ * Query whether the system is currently thermal throttling.
+ * @return true if currently thermal throttling, else false
+ */
+binder::Status ThermalService::isThrottling(bool* _aidl_return) {
+ Mutex::Autolock _l(mListenersLock);
+ *_aidl_return = mThrottled;
+ return binder::Status::ok();
+}
+
+/**
+ * Register a new thermal event listener.
+ * @param listener the client's IThermalEventListener instance to which
+ * notifications are to be sent
+ */
+binder::Status ThermalService::registerThermalEventListener(
+ const sp<IThermalEventListener>& listener) {
+ {
+ if (listener == NULL)
+ return binder::Status::ok();
+ Mutex::Autolock _l(mListenersLock);
+ // check whether this is a duplicate
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ if (IInterface::asBinder(mListeners[i]) ==
+ IInterface::asBinder(listener)) {
+ return binder::Status::ok();
+ }
+ }
+
+ mListeners.add(listener);
+ IInterface::asBinder(listener)->linkToDeath(this);
+ }
+
+ return binder::Status::ok();
+}
+
+/**
+ * Unregister a previously-registered thermal event listener.
+ * @param listener the client's IThermalEventListener instance to which
+ * notifications are to no longer be sent
+ */
+binder::Status ThermalService::unregisterThermalEventListener(
+ const sp<IThermalEventListener>& listener) {
+ if (listener == NULL)
+ return binder::Status::ok();
+ Mutex::Autolock _l(mListenersLock);
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ if (IInterface::asBinder(mListeners[i]) ==
+ IInterface::asBinder(listener)) {
+ IInterface::asBinder(mListeners[i])->unlinkToDeath(this);
+ mListeners.removeAt(i);
+ break;
+ }
+ }
+
+ return binder::Status::ok();
+}
+
+void ThermalService::binderDied(const wp<IBinder>& who) {
+ Mutex::Autolock _l(mListenersLock);
+
+ for (size_t i = 0; i < mListeners.size(); i++) {
+ if (IInterface::asBinder(mListeners[i]) == who) {
+ mListeners.removeAt(i);
+ break;
+ }
+ }
+}
+
+/**
+ * Publish the supplied ThermalService to servicemanager.
+ */
+void ThermalService::publish(
+ const sp<ThermalService>& service) {
+ defaultServiceManager()->addService(String16("thermalservice"),
+ service);
+}
+
+} // namespace os
+} // namespace android
--- /dev/null
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_THERMALSERVICE_THERMALSERVICE_H
+#define ANDROID_THERMALSERVICE_THERMALSERVICE_H
+
+#include <android/os/BnThermalService.h>
+#include <android/os/IThermalEventListener.h>
+#include <android/os/Temperature.h>
+#include <utils/Mutex.h>
+#include <utils/String16.h>
+#include <utils/Vector.h>
+
+namespace android {
+namespace os {
+
+class ThermalService : public BnThermalService,
+ public IBinder::DeathRecipient {
+public:
+ ThermalService() : mThrottled(false) {};
+ void publish(const sp<ThermalService>& service);
+ binder::Status notifyThrottling(
+ const bool isThrottling, const Temperature& temperature);
+
+private:
+ Mutex mListenersLock;
+ Vector<sp<IThermalEventListener> > mListeners;
+ bool mThrottled;
+ Temperature mThrottleTemperature;
+
+ binder::Status registerThermalEventListener(
+ const sp<IThermalEventListener>& listener);
+ binder::Status unregisterThermalEventListener(
+ const sp<IThermalEventListener>& listener);
+ binder::Status isThrottling(bool* _aidl_return);
+ void binderDied(const wp<IBinder>& who);
+};
+
+}; // namespace os
+}; // namespace android
+
+#endif // ANDROID_THERMALSERVICE_THERMALSERVICE_H
--- /dev/null
+/**
+ * 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.
+ */
+
+package android.os;
+
+import android.os.Temperature;
+
+/**
+ * Listener for thermal events.
+ * {@hide}
+ */
+oneway interface IThermalEventListener {
+ /**
+ * Called when a thermal throttling start/stop event is received.
+ * @param temperature the temperature at which the event was generated.
+ */
+ void notifyThrottling(
+ in boolean isThrottling, in Temperature temperature);
+}
--- /dev/null
+/**
+ * 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.
+ */
+
+package android.os;
+
+import android.os.IThermalEventListener;
+import android.os.Temperature;
+
+/** {@hide} */
+interface IThermalService {
+ /**
+ * Register a listener for thermal events.
+ * @param listener the IThermalEventListener to be notified.
+ * {@hide}
+ */
+ void registerThermalEventListener(in IThermalEventListener listener);
+ /**
+ * Unregister a previously-registered listener for thermal events.
+ * @param listener the IThermalEventListener to no longer be notified.
+ * {@hide}
+ */
+ void unregisterThermalEventListener(in IThermalEventListener listener);
+ /**
+ * Send a thermal throttling start/stop notification to all listeners.
+ * @param temperature the temperature at which the event was generated.
+ * {@hide}
+ */
+ oneway void notifyThrottling(
+ in boolean isThrottling, in Temperature temperature);
+ /**
+ * Return whether system performance is currently thermal throttling.
+ * {@hide}
+ */
+ boolean isThrottling();
+}
--- /dev/null
+package android.os;
+
+/* Encodes a temperature used by ThermalService. */
+
+parcelable Temperature cpp_header "android/os/Temperature.h";
--- /dev/null
+/*
+ * 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 "android/os/Temperature.h"
+
+#include <math.h>
+#include <stdint.h>
+#include <binder/Parcel.h>
+#include <hardware/thermal.h>
+#include <sys/types.h>
+#include <utils/Errors.h>
+
+namespace android {
+namespace os {
+
+Temperature::Temperature() : value_(NAN), type_(DEVICE_TEMPERATURE_UNKNOWN) {}
+
+Temperature::Temperature(const float value, const int type) :
+ value_(value), type_(type) {}
+
+Temperature::~Temperature() {}
+
+/*
+ * Parcel read/write code must be kept in sync with
+ * frameworks/base/core/java/android/os/Temperature.java
+ */
+
+status_t Temperature::readFromParcel(const Parcel* p) {
+ value_ = p->readFloat();
+ type_ = p->readInt32();
+ return OK;
+}
+
+status_t Temperature::writeToParcel(Parcel* p) const {
+ p->writeFloat(value_);
+ p->writeInt32(type_);
+ return OK;
+}
+
+} // namespace os
+} // namespace android
--- /dev/null
+#ifndef ANDROID_THERMALSERVICE_AIDL_ANDROID_OS_TEMPERATURE_H
+#define ANDROID_THERMALSERVICE_AIDL_ANDROID_OS_TEMPERATURE_H
+
+#include <binder/Parcelable.h>
+
+namespace android {
+namespace os {
+
+class Temperature : public Parcelable {
+ public:
+
+ Temperature();
+ Temperature(const float value, const int type);
+ ~Temperature() override;
+
+ float getValue() const {return value_;};
+ float getType() const {return type_;};
+
+ status_t writeToParcel(Parcel* parcel) const override;
+ status_t readFromParcel(const Parcel* parcel) override;
+
+ private:
+ // The value of the temperature as a float, or NAN if unknown.
+ float value_;
+ // The type of the temperature, an enum temperature_type from
+ // hardware/thermal.h
+ int type_;
+};
+
+} // namespace os
+} // namespace android
+
+#endif // ANDROID_THERMALSERVICE_AIDL_ANDROID_OS_TEMPERATURE_H
--- /dev/null
+service thermalservice /system/bin/thermalserviced
+ class core
--- /dev/null
+/*
+ * 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.
+ */
+
+#define LOG_TAG "thermalserviced"
+#include <log/log.h>
+
+#include "thermalserviced.h"
+#include "ThermalService.h"
+
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+
+using namespace android;
+
+void ThermalServiceDaemon::thermalServiceStartup() {
+ // Binder IThermalService startup
+ mThermalService = new android::os::ThermalService;
+ mThermalService->publish(mThermalService);
+ IPCThreadState::self()->joinThreadPool();
+}
+
+
+int main(int /*argc*/, char** /*argv*/) {
+ ThermalServiceDaemon* daemon = new ThermalServiceDaemon();
+ daemon->thermalServiceStartup();
+}
--- /dev/null
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_THERMALSERVICE_THERMALSERVICED_H
+#define ANDROID_THERMALSERVICE_THERMALSERVICED_H
+
+#include "ThermalService.h"
+
+using namespace android;
+
+class ThermalServiceDaemon {
+ public:
+ void thermalServiceStartup();
+ ThermalServiceDaemon() {};
+
+ private:
+ sp<android::os::ThermalService> mThermalService;
+};
+
+#endif // ANDROID_THERMALSERVICE_THERMALSERVICED_H
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