1 /*
2  * Copyright (C) 2018 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 #ifndef ANDROID_SENSORS_TEST_SHARED_MEMORY_H
18 #define ANDROID_SENSORS_TEST_SHARED_MEMORY_H
19 
20 #include "GrallocWrapper.h"
21 
22 #include <android-base/macros.h>
23 #include <android/hardware/sensors/1.0/types.h>
24 
25 #include <cutils/ashmem.h>
26 
27 class SensorsTestSharedMemory {
28     using SharedMemType = ::android::hardware::sensors::V1_0::SharedMemType;
29     using SharedMemInfo = ::android::hardware::sensors::V1_0::SharedMemInfo;
30     using Event = ::android::hardware::sensors::V1_0::Event;
31 
32    public:
33     static SensorsTestSharedMemory* create(SharedMemType type, size_t size);
34     SharedMemInfo getSharedMemInfo() const;
35     char* getBuffer() const;
36     size_t getSize() const;
37     std::vector<Event> parseEvents(int64_t lastCounter = -1, size_t offset = 0) const;
38     virtual ~SensorsTestSharedMemory();
39 
40    private:
41     SensorsTestSharedMemory(SharedMemType type, size_t size);
42 
43     SharedMemType mType;
44     native_handle_t* mNativeHandle;
45     size_t mSize;
46     char* mBuffer;
47     std::unique_ptr<::android::GrallocWrapper> mGrallocWrapper;
48 
49     DISALLOW_COPY_AND_ASSIGN(SensorsTestSharedMemory);
50 };
51 
52 #endif  // ANDROID_SENSORS_TEST_SHARED_MEMORY_H
53