Convert Thermal HIDL to AIDL.
This patch converts Thermal HIDL to AIDL and adds an empty example
implementation.
Bug: b/205762943
Test: atest VtsHalThermalTargetTest
Change-Id: I0c80ac400cc41f50916dbed58bb48f878dfae17f
diff --git a/thermal/aidl/vts/VtsHalThermalTargetTest.cpp b/thermal/aidl/vts/VtsHalThermalTargetTest.cpp
new file mode 100644
index 0000000..b93250e
--- /dev/null
+++ b/thermal/aidl/vts/VtsHalThermalTargetTest.cpp
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2022 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 <algorithm>
+#include <chrono>
+#include <cmath>
+#include <memory>
+#include <string>
+#include <thread>
+#include <vector>
+
+#define LOG_TAG "thermal_aidl_hal_test"
+
+#include <aidl/Gtest.h>
+#include <aidl/Vintf.h>
+#include <aidl/android/hardware/thermal/BnThermal.h>
+#include <aidl/android/hardware/thermal/BnThermalChangedCallback.h>
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+#include <android/binder_ibinder.h>
+#include <android/binder_interface_utils.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+#include <android/binder_status.h>
+#include <gtest/gtest.h>
+
+#include <unistd.h>
+
+namespace aidl::android::hardware::thermal {
+
+namespace {
+
+using ::android::sp;
+using android::hardware::thermal::CoolingDevice;
+using android::hardware::thermal::IThermal;
+using android::hardware::thermal::Temperature;
+using android::hardware::thermal::TemperatureType;
+
+using namespace std::string_literals;
+using namespace std::chrono_literals;
+
+static const Temperature kThrottleTemp = {
+ .type = TemperatureType::SKIN,
+ .name = "test temperature sensor",
+ .value = 98.6,
+ .throttlingStatus = ThrottlingSeverity::CRITICAL,
+};
+
+// Callback class for receiving thermal event notifications from main class
+class ThermalCallback : public BnThermalChangedCallback {
+ public:
+ ndk::ScopedAStatus notifyThrottling(const Temperature&) override {
+ {
+ std::lock_guard<std::mutex> lock(mMutex);
+ mInvoke = true;
+ }
+ mNotifyThrottling.notify_all();
+ return ndk::ScopedAStatus::ok();
+ }
+
+ template <typename R, typename P>
+ [[nodiscard]] bool waitForCallback(std::chrono::duration<R, P> duration) {
+ std::unique_lock<std::mutex> lock(mMutex);
+ bool r = mNotifyThrottling.wait_for(lock, duration, [this] { return this->mInvoke; });
+ mInvoke = false;
+ return r;
+ }
+
+ private:
+ std::mutex mMutex;
+ std::condition_variable mNotifyThrottling;
+ bool mInvoke = false;
+};
+
+// The main test class for THERMAL HIDL HAL.
+class ThermalAidlTest : public testing::TestWithParam<std::string> {
+ public:
+ void SetUp() override {
+ AIBinder* binder = AServiceManager_waitForService(GetParam().c_str());
+ ASSERT_NE(binder, nullptr);
+ mThermal = IThermal::fromBinder(ndk::SpAIBinder(binder));
+
+ mThermalCallback = ndk::SharedRefBase::make<ThermalCallback>();
+ ASSERT_NE(mThermalCallback, nullptr);
+ auto ret = mThermal->registerThermalChangedCallback(mThermalCallback);
+ ASSERT_TRUE(ret.isOk());
+ // Expect to fail if register again
+ ret = mThermal->registerThermalChangedCallback(mThermalCallback);
+ ASSERT_FALSE(ret.isOk());
+ ASSERT_TRUE(ret.getStatus() == STATUS_INVALID_OPERATION);
+ }
+
+ void TearDown() override {
+ auto ret = mThermal->unregisterThermalChangedCallback(mThermalCallback);
+ ASSERT_TRUE(ret.isOk());
+ // Expect to fail if unregister again
+ ret = mThermal->unregisterThermalChangedCallback(mThermalCallback);
+ ASSERT_FALSE(ret.isOk());
+ ASSERT_TRUE(ret.getStatus() == STATUS_INVALID_OPERATION);
+ }
+
+ protected:
+ std::shared_ptr<IThermal> mThermal;
+ std::shared_ptr<ThermalCallback> mThermalCallback;
+};
+
+// Test ThermalChangedCallback::notifyThrottling().
+// This just calls into and back from our local ThermalChangedCallback impl.
+TEST_P(ThermalAidlTest, NotifyThrottlingTest) {
+ std::shared_ptr<ThermalCallback> thermalCallback = ndk::SharedRefBase::make<ThermalCallback>();
+ auto ret = thermalCallback->notifyThrottling(kThrottleTemp);
+ ASSERT_TRUE(ret.isOk());
+ ASSERT_TRUE(thermalCallback->waitForCallback(200ms));
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ThermalAidlTest);
+INSTANTIATE_TEST_SUITE_P(
+ Thermal, ThermalAidlTest,
+ testing::ValuesIn(::android::getAidlHalInstanceNames(IThermal::descriptor)),
+ ::android::PrintInstanceNameToString);
+
+} // namespace
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ ABinderProcess_setThreadPoolMaxThreadCount(1);
+ ABinderProcess_startThreadPool();
+ return RUN_ALL_TESTS();
+}
+
+} // namespace aidl::android::hardware::thermal