Move thermal utils to hardware/interfaces

Bug: b/269370789
Test: m
Change-Id: I67d035271c177dfee88ac7272baa7cc9cdef3e00
Merged-In: I67d035271c177dfee88ac7272baa7cc9cdef3e00
diff --git a/thermal/utils/include/thermalutils/ThermalHidlWrapper.h b/thermal/utils/include/thermalutils/ThermalHidlWrapper.h
new file mode 100644
index 0000000..1fec100
--- /dev/null
+++ b/thermal/utils/include/thermalutils/ThermalHidlWrapper.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2023 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 <aidl/android/hardware/thermal/BnThermalChangedCallback.h>
+#include <aidl/android/hardware/thermal/IThermal.h>
+#include <android/hardware/thermal/2.0/IThermal.h>
+#include <android/hardware/thermal/2.0/IThermalChangedCallback.h>
+#include <android/hardware/thermal/2.0/types.h>
+#include <hidl/Status.h>
+
+#include <utility>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace thermal {
+
+using ::android::sp;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_handle;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+
+using IThermal_Aidl = ::aidl::android::hardware::thermal::IThermal;
+using ::android::hardware::thermal::V1_0::CpuUsage;
+using CoolingType_2_0 = ::android::hardware::thermal::V2_0::CoolingType;
+using CoolingDevice_1_0 = ::android::hardware::thermal::V1_0::CoolingDevice;
+using CoolingDevice_2_0 = ::android::hardware::thermal::V2_0::CoolingDevice;
+using IThermal_2_0 = ::android::hardware::thermal::V2_0::IThermal;
+using IThermalChangedCallback_2_0 = ::android::hardware::thermal::V2_0::IThermalChangedCallback;
+using Temperature_1_0 = ::android::hardware::thermal::V1_0::Temperature;
+using Temperature_2_0 = ::android::hardware::thermal::V2_0::Temperature;
+using TemperatureType_2_0 = ::android::hardware::thermal::V2_0::TemperatureType;
+
+using ::android::hardware::thermal::V1_0::ThermalStatus;
+using ::android::hardware::thermal::V1_0::ThermalStatusCode;
+
+using TemperatureThreshold_2_0 = ::android::hardware::thermal::V2_0::TemperatureThreshold;
+using ThrottlingSeverity_2_0 = ::android::hardware::thermal::V2_0::ThrottlingSeverity;
+
+// This wrapper converts all Thermal HIDL 2.0 calls to AIDL calls and converts AIDL response to
+// HIDL 2.0 response.
+//
+// For Thermal HIDL 1.0 calls, it returns unsupported error.
+class ThermalHidlWrapper : public IThermal_2_0 {
+  public:
+    explicit ThermalHidlWrapper(::std::shared_ptr<IThermal_Aidl> thermal_service)
+        : thermal_service_(std::move(thermal_service)) {}
+
+    // 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;
+
+    // Methods from ::android::hardware::thermal::V2_0::IThermal follow.
+    Return<void> getCurrentTemperatures(bool filterType, TemperatureType_2_0 type,
+                                        getCurrentTemperatures_cb _hidl_cb) override;
+    Return<void> getTemperatureThresholds(bool filterType, TemperatureType_2_0 type,
+                                          getTemperatureThresholds_cb _hidl_cb) override;
+    Return<void> registerThermalChangedCallback(
+            const sp<IThermalChangedCallback_2_0>& callback, bool filterType,
+            TemperatureType_2_0 type, registerThermalChangedCallback_cb _hidl_cb) override;
+    Return<void> unregisterThermalChangedCallback(
+            const sp<IThermalChangedCallback_2_0>& callback,
+            unregisterThermalChangedCallback_cb _hidl_cb) override;
+    Return<void> getCurrentCoolingDevices(bool filterType, CoolingType_2_0 type,
+                                          getCurrentCoolingDevices_cb _hidl_cb) override;
+
+    // Methods from ::android::hidl::base::V1_0::IBase follow.
+    Return<void> debug(const hidl_handle& handle, const hidl_vec<hidl_string>& args) override;
+
+  private:
+    class IThermalChangedCallbackWrapper : public BnThermalChangedCallback {
+      public:
+        explicit IThermalChangedCallbackWrapper(const sp<IThermalChangedCallback_2_0>& callback_2_0)
+            : callback_2_0_(callback_2_0) {}
+        ::ndk::ScopedAStatus notifyThrottling(const Temperature& temperature) override;
+        sp<IThermalChangedCallback_2_0> callback_2_0_;
+    };
+
+    // Reference to thermal service.
+    ::std::shared_ptr<IThermal_Aidl> thermal_service_;
+    // Mutex lock for read/write on callback wrappers.
+    std::mutex callback_wrappers_mutex_;
+    // All thermal changed callback wrappers registered.
+    ::std::vector<std::shared_ptr<IThermalChangedCallbackWrapper>> callback_wrappers_;
+};
+
+}  // namespace thermal
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl