platform_hardware_interfaces/wifi/aidl/default/ringbuffer.h
Gabriel Biren f3262f970d Add AIDL implementation for the vendor HAL service.
Bug: 205044134
Test: Pass AIDL VTS tests and regression tests.
Change-Id: Iad04ce01f71fc220443e05a4be05d7d5545227e8
2022-12-02 14:01:50 -08:00

60 lines
1.6 KiB
C++

/*
* Copyright (C) 2022 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 RINGBUFFER_H_
#define RINGBUFFER_H_
#include <list>
#include <vector>
namespace aidl {
namespace android {
namespace hardware {
namespace wifi {
/**
* Ringbuffer object used to store debug data.
*/
class Ringbuffer {
public:
// Error codes for the append ring buffer operation
enum AppendStatus {
SUCCESS,
FAIL_GENERIC,
FAIL_IP_BUFFER_ZERO,
FAIL_IP_BUFFER_EXCEEDED_MAXSIZE,
FAIL_RING_BUFFER_CORRUPTED
};
explicit Ringbuffer(size_t maxSize);
// Appends the data buffer and deletes from the front until buffer is
// within |maxSize_|.
enum AppendStatus append(const std::vector<uint8_t>& input);
const std::list<std::vector<uint8_t>>& getData() const;
void clear();
private:
std::list<std::vector<uint8_t>> data_;
size_t size_;
size_t maxSize_;
};
} // namespace wifi
} // namespace hardware
} // namespace android
} // namespace aidl
#endif // RINGBUFFER_H_