diff options
Diffstat (limited to 'libtransport/src/protocols/rtc/congestion_detection.h')
-rw-r--r-- | libtransport/src/protocols/rtc/congestion_detection.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/libtransport/src/protocols/rtc/congestion_detection.h b/libtransport/src/protocols/rtc/congestion_detection.h deleted file mode 100644 index 17f4aa54c..000000000 --- a/libtransport/src/protocols/rtc/congestion_detection.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright (c) 2017-2019 Cisco and/or its affiliates. - * 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. - */ - -#include <hicn/transport/core/content_object.h> -#include <protocols/rtc/trendline_estimator.h> - -#include <map> -#include <queue> - -#define HICN_CC_STATS_CHUNK_SIZE 10 -#define HICN_CC_STATS_MAX_DELAY_MS 100 - -namespace transport { - -namespace protocol { - -namespace rtc { - -class FrameStats { - public: - FrameStats() - : frame_num_(0), - sent_time_(0), - received_time_(0), - previous_sent_time_(0), - previous_received_time_(0), - size_(0), - received_pkt_m(0), - burst_size_m(HICN_CC_STATS_CHUNK_SIZE){}; - - FrameStats(uint32_t burst_size) - : frame_num_(0), - sent_time_(0), - received_time_(0), - previous_sent_time_(0), - previous_received_time_(0), - size_(0), - received_pkt_m(0), - burst_size_m(burst_size){}; - - FrameStats(uint32_t frame_num, uint32_t burst_size) - : frame_num_(frame_num), - sent_time_(0), - received_time_(0), - previous_sent_time_(0), - previous_received_time_(0), - size_(0), - received_pkt_m(0), - burst_size_m(burst_size){}; - - FrameStats(uint32_t frame_num, uint64_t sent_time, uint64_t received_time, - uint32_t size, FrameStats previousFrame, uint32_t burst_size) - : frame_num_(frame_num), - sent_time_(sent_time), - received_time_(received_time), - previous_sent_time_(previousFrame.getSentTime()), - previous_received_time_(previousFrame.getReceivedTime()), - size_(size), - received_pkt_m(1), - burst_size_m(burst_size){}; - - void addPacket(uint64_t sent_time, uint64_t received_time, uint32_t size) { - size_ += size; - sent_time_ = - (sent_time_ == 0) ? sent_time : std::min(sent_time_, sent_time); - received_time_ = std::max(received_time, received_time_); - received_pkt_m++; - } - - bool isComplete() { return received_pkt_m == burst_size_m; } - - uint32_t getFrameSeqNum() const { return frame_num_; } - uint64_t getSentTime() const { return sent_time_; } - uint64_t getReceivedTime() const { return received_time_; } - uint32_t getFrameSize() const { return size_; } - - void setPreviousReceivedTime(uint64_t time) { - previous_received_time_ = time; - } - void setPreviousSentTime(uint64_t time) { previous_sent_time_ = time; } - - // todo manage first frame - double getReceivedDelta() { - return static_cast<double>(received_time_ - previous_received_time_); - } - double getSentDelta() { - return static_cast<double>(sent_time_ - previous_sent_time_); - } - - private: - uint32_t frame_num_; - uint64_t sent_time_; - uint64_t received_time_; - - uint64_t previous_sent_time_; - uint64_t previous_received_time_; - uint32_t size_; - - uint32_t received_pkt_m; - uint32_t burst_size_m; -}; - -class CongestionDetection { - public: - CongestionDetection(); - ~CongestionDetection(); - - void addPacket(const core::ContentObject &content_object); - - BandwidthUsage getState() { return cc_estimator_.State(); } - - void updateStats(); - - private: - TrendlineEstimator cc_estimator_; - std::map<uint32_t, FrameStats> chunks_; - std::queue<uint32_t> chunks_number_; - - FrameStats last_processed_chunk_; -}; - -} // end namespace rtc - -} // end namespace protocol - -} // end namespace transport |