Updated multihal to use new sensors AIDL interface.

Test: make android.hardware.sensors@aidl-multihal
Fix: 206867060
Change-Id: I9b78a0f25117d11fdf4beb1e0913393c1c14620d
diff --git a/sensors/common/default/2.X/multihal/HalProxy.cpp b/sensors/common/default/2.X/multihal/HalProxy.cpp
index f5fc066..73b0594 100644
--- a/sensors/common/default/2.X/multihal/HalProxy.cpp
+++ b/sensors/common/default/2.X/multihal/HalProxy.cpp
@@ -176,7 +176,13 @@
     std::unique_ptr<EventMessageQueueWrapperBase> queue =
             std::make_unique<EventMessageQueueWrapperV2_1>(eventQueue);
 
-    return initializeCommon(queue, wakeLockDescriptor, dynamicCallback);
+    // Create the Wake Lock FMQ from the wakeLockDescriptor. Reset the read/write positions.
+    auto hidlWakeLockQueue =
+            std::make_unique<WakeLockMessageQueue>(wakeLockDescriptor, true /* resetPointers */);
+    std::unique_ptr<WakeLockMessageQueueWrapperBase> wakeLockQueue =
+            std::make_unique<WakeLockMessageQueueWrapperHidl>(hidlWakeLockQueue);
+
+    return initializeCommon(queue, wakeLockQueue, dynamicCallback);
 }
 
 Return<Result> HalProxy::initialize(
@@ -192,12 +198,18 @@
     std::unique_ptr<EventMessageQueueWrapperBase> queue =
             std::make_unique<EventMessageQueueWrapperV1_0>(eventQueue);
 
-    return initializeCommon(queue, wakeLockDescriptor, dynamicCallback);
+    // Create the Wake Lock FMQ from the wakeLockDescriptor. Reset the read/write positions.
+    auto hidlWakeLockQueue =
+            std::make_unique<WakeLockMessageQueue>(wakeLockDescriptor, true /* resetPointers */);
+    std::unique_ptr<WakeLockMessageQueueWrapperBase> wakeLockQueue =
+            std::make_unique<WakeLockMessageQueueWrapperHidl>(hidlWakeLockQueue);
+
+    return initializeCommon(queue, wakeLockQueue, dynamicCallback);
 }
 
 Return<Result> HalProxy::initializeCommon(
         std::unique_ptr<EventMessageQueueWrapperBase>& eventQueue,
-        const ::android::hardware::MQDescriptorSync<uint32_t>& wakeLockDescriptor,
+        std::unique_ptr<WakeLockMessageQueueWrapperBase>& wakeLockQueue,
         const sp<ISensorsCallbackWrapperBase>& sensorsCallback) {
     Result result = Result::OK;
 
@@ -222,8 +234,7 @@
 
     // Create the Wake Lock FMQ that is used by the framework to communicate whenever WAKE_UP
     // events have been successfully read and handled by the framework.
-    mWakeLockQueue =
-            std::make_unique<WakeLockMessageQueue>(wakeLockDescriptor, true /* resetPointers */);
+    mWakeLockQueue = std::move(wakeLockQueue);
 
     if (mEventQueueFlag != nullptr) {
         EventFlag::deleteEventFlag(&mEventQueueFlag);
diff --git a/sensors/common/default/2.X/multihal/include/HalProxy.h b/sensors/common/default/2.X/multihal/include/HalProxy.h
index 35d7c8b..6174528 100644
--- a/sensors/common/default/2.X/multihal/include/HalProxy.h
+++ b/sensors/common/default/2.X/multihal/include/HalProxy.h
@@ -23,6 +23,7 @@
 #include "V2_0/ScopedWakelock.h"
 #include "V2_0/SubHal.h"
 #include "V2_1/SubHal.h"
+#include "WakeLockMessageQueueWrapper.h"
 #include "convertV2_1.h"
 
 #include <android/hardware/sensors/2.1/ISensors.h>
@@ -98,10 +99,9 @@
             const ::android::hardware::MQDescriptorSync<uint32_t>& wakeLockDescriptor,
             const sp<V2_0::ISensorsCallback>& sensorsCallback);
 
-    Return<Result> initializeCommon(
-            std::unique_ptr<EventMessageQueueWrapperBase>& eventQueue,
-            const ::android::hardware::MQDescriptorSync<uint32_t>& wakeLockDescriptor,
-            const sp<ISensorsCallbackWrapperBase>& sensorsCallback);
+    Return<Result> initializeCommon(std::unique_ptr<EventMessageQueueWrapperBase>& eventQueue,
+                                    std::unique_ptr<WakeLockMessageQueueWrapperBase>& wakeLockQueue,
+                                    const sp<ISensorsCallbackWrapperBase>& sensorsCallback);
 
     Return<Result> batch(int32_t sensorHandle, int64_t samplingPeriodNs,
                          int64_t maxReportLatencyNs);
@@ -141,6 +141,8 @@
 
     void decrementRefCountAndMaybeReleaseWakelock(size_t delta, int64_t timeoutStart = -1) override;
 
+    const std::map<int32_t, SensorInfo>& getSensors() { return mSensors; }
+
   private:
     using EventMessageQueueV2_1 = MessageQueue<V2_1::Event, kSynchronizedReadWrite>;
     using EventMessageQueueV2_0 = MessageQueue<V1_0::Event, kSynchronizedReadWrite>;
@@ -154,7 +156,7 @@
     /**
      * The Wake Lock FMQ that is read to determine when the framework has handled WAKE_UP events
      */
-    std::unique_ptr<WakeLockMessageQueue> mWakeLockQueue;
+    std::unique_ptr<WakeLockMessageQueueWrapperBase> mWakeLockQueue;
 
     /**
      * Event Flag to signal to the framework when sensor events are available to be read and to
diff --git a/sensors/common/utils/WakeLockMessageQueueWrapper.h b/sensors/common/utils/WakeLockMessageQueueWrapper.h
new file mode 100644
index 0000000..3a219cf
--- /dev/null
+++ b/sensors/common/utils/WakeLockMessageQueueWrapper.h
@@ -0,0 +1,72 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include "convertV2_1.h"
+
+#include <android/hardware/sensors/2.1/types.h>
+#include <fmq/MessageQueue.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <log/log.h>
+
+#include <atomic>
+
+namespace android {
+namespace hardware {
+namespace sensors {
+namespace V2_1 {
+namespace implementation {
+
+class WakeLockMessageQueueWrapperBase {
+  public:
+    virtual ~WakeLockMessageQueueWrapperBase() {}
+
+    virtual std::atomic<uint32_t>* getEventFlagWord() = 0;
+    virtual bool readBlocking(uint32_t* events, size_t numToRead, uint32_t readNotification,
+                              uint32_t writeNotification, int64_t timeOutNanos,
+                              ::android::hardware::EventFlag* evFlag = nullptr) = 0;
+    virtual bool write(const uint32_t* wakeLock) = 0;
+};
+
+class WakeLockMessageQueueWrapperHidl : public WakeLockMessageQueueWrapperBase {
+  public:
+    WakeLockMessageQueueWrapperHidl(
+            std::unique_ptr<::android::hardware::MessageQueue<uint32_t, kSynchronizedReadWrite>>&
+                    queue)
+        : mQueue(std::move(queue)) {}
+
+    std::atomic<uint32_t>* getEventFlagWord() override { return mQueue->getEventFlagWord(); }
+
+    bool readBlocking(uint32_t* wakeLocks, size_t numToRead, uint32_t readNotification,
+                      uint32_t writeNotification, int64_t timeOutNanos,
+                      ::android::hardware::EventFlag* evFlag) override {
+        return mQueue->readBlocking(wakeLocks, numToRead, readNotification, writeNotification,
+                                    timeOutNanos, evFlag);
+    }
+
+    bool write(const uint32_t* wakeLock) override { return mQueue->write(wakeLock); }
+
+  private:
+    std::unique_ptr<::android::hardware::MessageQueue<uint32_t, kSynchronizedReadWrite>> mQueue;
+};
+
+}  // namespace implementation
+}  // namespace V2_1
+}  // namespace sensors
+}  // namespace hardware
+}  // namespace android