xref: /aosp_15_r20/hardware/interfaces/sensors/common/utils/WakeLockMessageQueueWrapper.h (revision 4d7e907c777eeecc4c5bd7cf640a754fac206ff7)
1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include "convertV2_1.h"
20 
21 #include <android/hardware/sensors/2.1/types.h>
22 #include <fmq/MessageQueue.h>
23 #include <hidl/MQDescriptor.h>
24 #include <hidl/Status.h>
25 #include <log/log.h>
26 
27 #include <atomic>
28 
29 namespace android {
30 namespace hardware {
31 namespace sensors {
32 namespace V2_1 {
33 namespace implementation {
34 
35 class WakeLockMessageQueueWrapperBase {
36   public:
~WakeLockMessageQueueWrapperBase()37     virtual ~WakeLockMessageQueueWrapperBase() {}
38 
39     virtual std::atomic<uint32_t>* getEventFlagWord() = 0;
40     virtual bool readBlocking(uint32_t* events, size_t numToRead, uint32_t readNotification,
41                               uint32_t writeNotification, int64_t timeOutNanos,
42                               ::android::hardware::EventFlag* evFlag = nullptr) = 0;
43     virtual bool write(const uint32_t* wakeLock) = 0;
44 };
45 
46 class WakeLockMessageQueueWrapperHidl : public WakeLockMessageQueueWrapperBase {
47   public:
WakeLockMessageQueueWrapperHidl(std::unique_ptr<::android::hardware::MessageQueue<uint32_t,kSynchronizedReadWrite>> & queue)48     WakeLockMessageQueueWrapperHidl(
49             std::unique_ptr<::android::hardware::MessageQueue<uint32_t, kSynchronizedReadWrite>>&
50                     queue)
51         : mQueue(std::move(queue)) {}
52 
getEventFlagWord()53     std::atomic<uint32_t>* getEventFlagWord() override { return mQueue->getEventFlagWord(); }
54 
readBlocking(uint32_t * wakeLocks,size_t numToRead,uint32_t readNotification,uint32_t writeNotification,int64_t timeOutNanos,::android::hardware::EventFlag * evFlag)55     bool readBlocking(uint32_t* wakeLocks, size_t numToRead, uint32_t readNotification,
56                       uint32_t writeNotification, int64_t timeOutNanos,
57                       ::android::hardware::EventFlag* evFlag) override {
58         return mQueue->readBlocking(wakeLocks, numToRead, readNotification, writeNotification,
59                                     timeOutNanos, evFlag);
60     }
61 
write(const uint32_t * wakeLock)62     bool write(const uint32_t* wakeLock) override { return mQueue->write(wakeLock); }
63 
64   private:
65     std::unique_ptr<::android::hardware::MessageQueue<uint32_t, kSynchronizedReadWrite>> mQueue;
66 };
67 
68 }  // namespace implementation
69 }  // namespace V2_1
70 }  // namespace sensors
71 }  // namespace hardware
72 }  // namespace android
73