f3262f970d
Bug: 205044134 Test: Pass AIDL VTS tests and regression tests. Change-Id: Iad04ce01f71fc220443e05a4be05d7d5545227e8
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ringbuffer.h"
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#include <android-base/logging.h>
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace wifi {
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Ringbuffer::Ringbuffer(size_t maxSize) : size_(0), maxSize_(maxSize) {}
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enum Ringbuffer::AppendStatus Ringbuffer::append(const std::vector<uint8_t>& input) {
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if (input.size() == 0) {
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return AppendStatus::FAIL_IP_BUFFER_ZERO;
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}
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if (input.size() > maxSize_) {
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LOG(INFO) << "Oversized message of " << input.size() << " bytes is dropped";
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return AppendStatus::FAIL_IP_BUFFER_EXCEEDED_MAXSIZE;
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}
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data_.push_back(input);
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size_ += input.size() * sizeof(input[0]);
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while (size_ > maxSize_) {
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if (data_.front().size() <= 0 || data_.front().size() > maxSize_) {
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LOG(ERROR) << "First buffer in the ring buffer is Invalid. Size: "
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<< data_.front().size();
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return AppendStatus::FAIL_RING_BUFFER_CORRUPTED;
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}
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size_ -= data_.front().size() * sizeof(data_.front()[0]);
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data_.pop_front();
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}
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return AppendStatus::SUCCESS;
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}
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const std::list<std::vector<uint8_t>>& Ringbuffer::getData() const {
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return data_;
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}
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void Ringbuffer::clear() {
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data_.clear();
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size_ = 0;
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}
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} // namespace wifi
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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