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 #include <android-base/logging.h> 18 19 #include "ringbuffer.h" 20 21 namespace android { 22 namespace hardware { 23 namespace wifi { 24 namespace V1_3 { 25 namespace implementation { 26 27 Ringbuffer::Ringbuffer(size_t maxSize) : size_(0), maxSize_(maxSize) {} 28 29 void Ringbuffer::append(const std::vector<uint8_t>& input) { 30 if (input.size() == 0) { 31 return; 32 } 33 if (input.size() > maxSize_) { 34 LOG(INFO) << "Oversized message of " << input.size() 35 << " bytes is dropped"; 36 return; 37 } 38 data_.push_back(input); 39 size_ += input.size() * sizeof(input[0]); 40 while (size_ > maxSize_) { 41 size_ -= data_.front().size() * sizeof(data_.front()[0]); 42 data_.pop_front(); 43 } 44 } 45 46 const std::list<std::vector<uint8_t>>& Ringbuffer::getData() const { 47 return data_; 48 } 49 50 } // namespace implementation 51 } // namespace V1_3 52 } // namespace wifi 53 } // namespace hardware 54 } // namespace android 55
