1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef SENSOR_BASIC_DATA_CHANNEL_H
17 #define SENSOR_BASIC_DATA_CHANNEL_H
18 
19 #include <mutex>
20 #include <unordered_map>
21 
22 #include "message_parcel.h"
23 #include "refbase.h"
24 
25 #include "sensor_data_event.h"
26 
27 namespace OHOS {
28 namespace Sensors {
29 using ClientExcuteCB = std::function<void(int32_t)>;
30 class SensorBasicDataChannel : public RefBase {
31 public:
32     SensorBasicDataChannel();
33     virtual ~SensorBasicDataChannel();
34     int32_t CreateSensorBasicChannel();
35     int32_t CreateSensorBasicChannel(MessageParcel &data);
36     int32_t DestroySensorBasicChannel();
37     int32_t GetSendDataFd() const;
38     int32_t GetReceiveDataFd() const;
39     int32_t SendToBinder(MessageParcel &data);
40     void CloseSendFd();
41     int32_t SendData(const void *vaddr, size_t size);
42     int32_t ReceiveData(ClientExcuteCB callBack, void *vaddr, size_t size);
43     bool GetSensorStatus() const;
44     void SetSensorStatus(bool isActive);
45     const std::unordered_map<int32_t, SensorData> &GetDataCacheBuf() const;
46 
47 private:
48     int32_t sendFd_;
49     int32_t receiveFd_;
50     bool isActive_;
51     std::mutex statusLock_;
52     std::unordered_map<int32_t, SensorData> dataCacheBuf_;
53 };
54 }  // namespace Sensors
55 }  // namespace OHOS
56 #endif  // SENSOR_H
57