thermal: add hal objects.

Converted thermal HAL to HIDL,
Added default implementation.

Bug:32022261
Test: Compiles
Change-Id: I92d164b58464f2dee9d8d17affe57fb6af4c1c08
diff --git a/thermal/1.0/default/Android.bp b/thermal/1.0/default/Android.bp
new file mode 100644
index 0000000..626dcaf
--- /dev/null
+++ b/thermal/1.0/default/Android.bp
@@ -0,0 +1,16 @@
+cc_library_shared {
+    name: "android.hardware.thermal@1.0-impl",
+    relative_install_path: "hw",
+    srcs: ["Thermal.cpp"],
+    shared_libs: [
+        "liblog",
+        "libcutils",
+        "libhardware",
+        "libhwbinder",
+        "libbase",
+        "libcutils",
+        "libutils",
+        "libhidl",
+        "android.hardware.thermal@1.0",
+    ],
+}
diff --git a/thermal/1.0/default/Android.mk b/thermal/1.0/default/Android.mk
new file mode 100644
index 0000000..fa7414e
--- /dev/null
+++ b/thermal/1.0/default/Android.mk
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2016 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.
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_MODULE := android.hardware.thermal@1.0-service
+LOCAL_INIT_RC := android.hardware.thermal@1.0-service.rc
+LOCAL_SRC_FILES := \
+        service.cpp \
+
+LOCAL_SHARED_LIBRARIES := \
+        liblog \
+        libcutils \
+        libdl \
+        libbase \
+        libutils \
+        libhardware_legacy \
+        libhardware \
+
+LOCAL_SHARED_LIBRARIES += \
+        libhwbinder \
+        libhidl \
+        android.hardware.thermal@1.0 \
+
+include $(BUILD_EXECUTABLE)
diff --git a/thermal/1.0/default/Thermal.cpp b/thermal/1.0/default/Thermal.cpp
new file mode 100644
index 0000000..1b91687
--- /dev/null
+++ b/thermal/1.0/default/Thermal.cpp
@@ -0,0 +1,202 @@
+/*
+ * Copyright (C) 2016 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 "android.hardware.thermal@1.0-impl"
+#include <utils/Log.h>
+
+#include <errno.h>
+#include <hardware/hardware.h>
+#include <hardware/thermal.h>
+
+#include "Thermal.h"
+
+namespace android {
+namespace hardware {
+namespace thermal {
+namespace V1_0 {
+namespace implementation {
+
+Thermal::Thermal(thermal_module_t* module) : mModule(module) {
+}
+
+// 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;
+
+    if (!mModule || !mModule->getTemperatures) {
+        ALOGI("getTemperatures is not implemented in Thermal HAL.");
+        _hidl_cb(status, temperatures);
+        return Void();
+    }
+
+    ssize_t list_size = mModule->getTemperatures(mModule, nullptr, 0);
+    if (list_size >= 0) {
+       temperature_t *list = new temperature_t[list_size];
+       ssize_t size = mModule->getTemperatures(mModule, list, list_size);
+       if (size >= 0) {
+           if (list_size > size) {
+               list_size = size;
+           }
+
+           temperatures.resize(list_size);
+           for (ssize_t i = 0; i < list_size; ++i) {
+               switch (list[i].type) {
+                   case DEVICE_TEMPERATURE_UNKNOWN:
+                       temperatures[i].type = TemperatureType::UNKNOWN;
+                       break;
+                   case DEVICE_TEMPERATURE_CPU:
+                       temperatures[i].type = TemperatureType::CPU;
+                       break;
+                   case DEVICE_TEMPERATURE_GPU:
+                       temperatures[i].type = TemperatureType::GPU;
+                       break;
+                   case DEVICE_TEMPERATURE_BATTERY:
+                       temperatures[i].type = TemperatureType::BATTERY;
+                       break;
+                   case DEVICE_TEMPERATURE_SKIN:
+                       temperatures[i].type = TemperatureType::SKIN;
+                       break;
+                   default:
+                       ALOGE("Unknown temperature %s type", list[i].name);;
+               }
+               temperatures[i].name = list[i].name;
+               temperatures[i].currentValue = list[i].current_value;
+               temperatures[i].throttlingThreshold = list[i].throttling_threshold;
+               temperatures[i].shutdownThreshold = list[i].shutdown_threshold;
+               temperatures[i].vrThrottlingThreshold = list[i].vr_throttling_threshold;
+           }
+       } else {
+           status.code = ThermalStatusCode::FAILURE;
+           status.debugMessage = strerror(-size);
+       }
+       delete[] list;
+    } else {
+        status.code = ThermalStatusCode::FAILURE;
+        status.debugMessage = strerror(-list_size);
+    }
+    _hidl_cb(status, temperatures);
+    return Void();
+}
+
+Return<void> Thermal::getCpuUsages(getCpuUsages_cb _hidl_cb)  {
+    ThermalStatus status;
+    hidl_vec<CpuUsage> cpuUsages;
+    status.code = ThermalStatusCode::SUCCESS;
+
+    if (!mModule || !mModule->getCpuUsages) {
+        ALOGI("getCpuUsages is not implemented in Thermal HAL");
+        _hidl_cb(status, cpuUsages);
+        return Void();
+    }
+
+    ssize_t size = mModule->getCpuUsages(mModule, nullptr);
+    if (size >= 0) {
+        cpu_usage_t *list = new cpu_usage_t[size];
+        size = mModule->getCpuUsages(mModule, list);
+        if (size >= 0) {
+            cpuUsages.resize(size);
+            for (ssize_t i = 0; i < size; ++i) {
+                cpuUsages[i].name = list[i].name;
+                cpuUsages[i].active = list[i].active;
+                cpuUsages[i].total = list[i].total;
+                cpuUsages[i].isOnline = list[i].is_online;
+            }
+        } else {
+            status.code = ThermalStatusCode::FAILURE;
+            status.debugMessage = strerror(-size);
+        }
+        delete[] list;
+    } else {
+        status.code = ThermalStatusCode::FAILURE;
+        status.debugMessage = strerror(-size);
+    }
+    _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 (!mModule || !mModule->getCoolingDevices) {
+        ALOGI("getCoolingDevices is not implemented in Thermal HAL.");
+        _hidl_cb(status, coolingDevices);
+        return Void();
+    }
+
+    ssize_t list_size = mModule->getCoolingDevices(mModule, nullptr, 0);
+    if (list_size >= 0) {
+        cooling_device_t *list = new cooling_device_t[list_size];
+        ssize_t size = mModule->getCoolingDevices(mModule, list, list_size);
+        if (size >= 0) {
+            if (list_size > size) {
+                list_size = size;
+            }
+            coolingDevices.resize(list_size);
+            for (ssize_t i = 0; i < list_size; ++i) {
+                switch (list[i].type) {
+                    case FAN_RPM:
+                        coolingDevices[i].type = CoolingType::FAN_RPM;
+                        break;
+                    default:
+                        ALOGE("Unknown cooling device %s type", list[i].name);
+                }
+                coolingDevices[i].name = list[i].name;
+                coolingDevices[i].currentValue = list[i].current_value;
+            }
+
+        } else {
+            status.code = ThermalStatusCode::FAILURE;
+            status.debugMessage = strerror(-size);
+        }
+        delete[] list;
+    } else {
+        status.code = ThermalStatusCode::FAILURE;
+        status.debugMessage = strerror(-list_size);
+    }
+    _hidl_cb(status, coolingDevices);
+    return Void();
+}
+
+IThermal* HIDL_FETCH_IThermal(const char* /* name */) {
+    thermal_module_t* module;
+    status_t err = hw_get_module(THERMAL_HARDWARE_MODULE_ID,
+            const_cast<hw_module_t const**>(reinterpret_cast<hw_module_t**>(&module)));
+    if (err || !module) {
+        ALOGE("Couldn't load %s module (%s)", THERMAL_HARDWARE_MODULE_ID,
+              strerror(-err));
+    }
+
+    if (err == 0 && module->common.methods->open) {
+        struct hw_device_t* device;
+        err = module->common.methods->open(&module->common, THERMAL_HARDWARE_MODULE_ID, &device);
+        if (err) {
+            ALOGE("Couldn't open %s module (%s)", THERMAL_HARDWARE_MODULE_ID, strerror(-err));
+        } else {
+            return new Thermal(reinterpret_cast<thermal_module_t*>(device));
+        }
+    }
+    return new Thermal(module);
+}
+
+} // namespace implementation
+}  // namespace V1_0
+}  // namespace thermal
+}  // namespace hardware
+}  // namespace android
diff --git a/thermal/1.0/default/Thermal.h b/thermal/1.0/default/Thermal.h
new file mode 100644
index 0000000..8212ab9
--- /dev/null
+++ b/thermal/1.0/default/Thermal.h
@@ -0,0 +1,45 @@
+#ifndef HIDL_GENERATED_android_hardware_thermal_V1_0_Thermal_H_
+#define HIDL_GENERATED_android_hardware_thermal_V1_0_Thermal_H_
+
+#include <android/hardware/thermal/1.0/IThermal.h>
+#include <hidl/Status.h>
+#include <hardware/thermal.h>
+
+#include <hidl/MQDescriptor.h>
+
+namespace android {
+namespace hardware {
+namespace thermal {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::thermal::V1_0::CoolingDevice;
+using ::android::hardware::thermal::V1_0::CpuUsage;
+using ::android::hardware::thermal::V1_0::IThermal;
+using ::android::hardware::thermal::V1_0::Temperature;
+using ::android::hardware::thermal::V1_0::ThermalStatus;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+
+struct Thermal : public IThermal {
+    Thermal(thermal_module_t* module);
+    // Methods from ::android::hardware::thermal::V1_0::IThermal follow.
+    Return<void> getTemperatures(getTemperatures_cb _hidl_cb)  override;
+    Return<void> getCpuUsages(getCpuUsages_cb _hidl_cb)  override;
+    Return<void> getCoolingDevices(getCoolingDevices_cb _hidl_cb)  override;
+    private:
+        thermal_module_t* mModule;
+};
+
+extern "C" IThermal* HIDL_FETCH_IThermal(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace thermal
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HIDL_GENERATED_android_hardware_thermal_V1_0_Thermal_H_
diff --git a/thermal/1.0/default/android.hardware.thermal@1.0-service.rc b/thermal/1.0/default/android.hardware.thermal@1.0-service.rc
new file mode 100644
index 0000000..cc7ba6a
--- /dev/null
+++ b/thermal/1.0/default/android.hardware.thermal@1.0-service.rc
@@ -0,0 +1,4 @@
+service thermal-hal-1-0 /system/bin/hw/android.hardware.thermal@1.0-service
+    class hal
+    user system
+    group system readproc
diff --git a/thermal/1.0/default/service.cpp b/thermal/1.0/default/service.cpp
new file mode 100644
index 0000000..b09b5ec
--- /dev/null
+++ b/thermal/1.0/default/service.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2016 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 <iostream>
+#include <unistd.h>
+
+#include <android/hardware/thermal/1.0/IThermal.h>
+
+#include <hidl/IServiceManager.h>
+#include <hwbinder/IPCThreadState.h>
+#include <hwbinder/ProcessState.h>
+#include <utils/Errors.h>
+
+#define LOG_TAG "android.hardware.thermal@1.0-service"
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
+
+using android::sp;
+
+// libhwbinder:
+using android::hardware::IPCThreadState;
+using android::hardware::ProcessState;
+
+// Generated HIDL files
+using android::hardware::thermal::V1_0::IThermal;
+
+int main() {
+    const char instance[] = "thermal";
+    sp<IThermal> service = IThermal::getService(instance, true /* getStub */);
+    if (service.get() == nullptr) {
+        ALOGE("IThermal::getService returned NULL, exiting");
+        return EXIT_FAILURE;
+    }
+    LOG_FATAL_IF(service->isRemote(), "Implementation is REMOTE!");
+    service->registerAsService(instance);
+
+    ProcessState::self()->setThreadPoolMaxThreadCount(0);
+    ProcessState::self()->startThreadPool();
+    IPCThreadState::self()->joinThreadPool();
+}