Adds sensors HAL AIDL interface
Bug: 195593357
Test: Compile
Change-Id: I6c63a6ba2dc3fbe5b25f401728d0724df2620bef
diff --git a/sensors/aidl/vts/SensorsAidlEnvironment.h b/sensors/aidl/vts/SensorsAidlEnvironment.h
new file mode 100644
index 0000000..2f5f287
--- /dev/null
+++ b/sensors/aidl/vts/SensorsAidlEnvironment.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2021 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_SENSORS_AIDL_ENVIRONMENT_H
+#define ANDROID_SENSORS_AIDL_ENVIRONMENT_H
+
+#include "sensors-vts-utils/SensorsVtsEnvironmentBase.h"
+
+#include <atomic>
+#include <memory>
+#include <mutex>
+#include <thread>
+#include <vector>
+
+#include <aidl/android/hardware/sensors/ISensors.h>
+#include <fmq/AidlMessageQueue.h>
+
+using aidl::android::hardware::common::fmq::SynchronizedReadWrite;
+using aidl::android::hardware::sensors::Event;
+using aidl::android::hardware::sensors::ISensors;
+using aidl::android::hardware::sensors::ISensorsCallback;
+
+static constexpr size_t MAX_RECEIVE_BUFFER_EVENT_COUNT = 256;
+
+class SensorsAidlTest;
+
+class SensorsAidlEnvironment : public SensorsVtsEnvironmentBase<Event> {
+ public:
+ virtual void TearDown() override;
+
+ protected:
+ friend SensorsAidlTest;
+ SensorsAidlEnvironment(const std::string& service_name);
+
+ /**
+ * Resets the HAL with new FMQs and a new Event Flag
+ *
+ * @return bool true if successful, false otherwise
+ */
+ bool resetHal() override;
+
+ /**
+ * Starts the polling thread that reads sensor events from the Event FMQ
+ */
+ void startPollingThread() override;
+
+ /**
+ * Thread responsible for calling functions to read Event FMQ
+ *
+ * @param env SensorEnvironment to being polling for events on
+ */
+ static void pollingThread(SensorsAidlEnvironment* env);
+
+ /**
+ * Reads and saves sensor events from the Event FMQ
+ */
+ void readEvents();
+
+ GTEST_DISALLOW_COPY_AND_ASSIGN_(SensorsAidlEnvironment);
+
+ /**
+ * Pointer to the Sensors HAL Interface that allows the test to call HAL functions.
+ */
+ std::shared_ptr<ISensors> mSensors;
+ std::shared_ptr<ISensorsCallback> mCallback;
+
+ ndk::ScopedAIBinder_DeathRecipient mDeathRecipient;
+
+ /**
+ * Type used to simplify the creation of the Wake Lock FMQ
+ */
+ typedef android::AidlMessageQueue<int32_t, SynchronizedReadWrite> WakeLockQueue;
+ typedef android::AidlMessageQueue<Event, SynchronizedReadWrite> EventQueue;
+
+ /**
+ * The Wake Lock FMQ is used by the test to notify the Sensors HAL whenever it has processed
+ * WAKE_UP sensor events.
+ */
+ std::unique_ptr<WakeLockQueue> mWakeLockQueue;
+ std::unique_ptr<EventQueue> mEventQueue;
+
+ /**
+ * The Event Queue Flag notifies the test framework when sensor events have been written to the
+ * Event FMQ by the Sensors HAL.
+ */
+ ::android::hardware::EventFlag* mEventQueueFlag;
+
+ std::atomic_bool mStopThread;
+ std::thread mPollThread;
+
+ /**
+ * An array that is used to store sensor events read from the Event FMQ
+ */
+ std::array<Event, MAX_RECEIVE_BUFFER_EVENT_COUNT> mEventBuffer;
+};
+
+#endif // ANDROID_SENSORS_AIDL_ENVIRONMENT_H