diff options
Diffstat (limited to 'libtransport/src/hicn/transport/protocols/rate_estimation.h')
-rw-r--r-- | libtransport/src/hicn/transport/protocols/rate_estimation.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/libtransport/src/hicn/transport/protocols/rate_estimation.h b/libtransport/src/hicn/transport/protocols/rate_estimation.h deleted file mode 100644 index 616501b24..000000000 --- a/libtransport/src/hicn/transport/protocols/rate_estimation.h +++ /dev/null @@ -1,173 +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. - */ - -#pragma once - -#include <hicn/transport/protocols/download_observer.h> -#include <hicn/transport/protocols/raaqm_data_path.h> - -#include <chrono> - -namespace transport { - -namespace protocol { - -class IcnRateEstimator { - public: - using TimePoint = std::chrono::steady_clock::time_point; - using Microseconds = std::chrono::microseconds; - - IcnRateEstimator(){}; - - virtual ~IcnRateEstimator(){}; - - virtual void onRttUpdate(double rtt){}; - - virtual void onDataReceived(int packetSize){}; - - virtual void onWindowIncrease(double winCurrent){}; - - virtual void onWindowDecrease(double winCurrent){}; - - virtual void onStart(){}; - - virtual void onDownloadFinished(){}; - - virtual void setObserver(IcnObserver *observer) { - this->observer_ = observer; - }; - IcnObserver *observer_; - TimePoint start_time_; - TimePoint begin_batch_; - double base_alpha_; - double alpha_; - double estimation_; - int number_of_packets_; - // this boolean is to make sure at least one estimation of the BW is done - bool estimated_; -}; - -// A rate estimator RTT-based. Computes EWMA(WinSize)/EWMA(RTT) - -class InterRttEstimator : public IcnRateEstimator { - public: - InterRttEstimator(double alpha_arg); - - ~InterRttEstimator(); - - void onRttUpdate(double rtt); - - void onDataReceived(int packet_size) { - if (packet_size > this->max_packet_size_) { - this->max_packet_size_ = packet_size; - } - }; - - void onWindowIncrease(double win_current); - - void onWindowDecrease(double win_current); - - void onStart(){}; - - void onDownloadFinished(){}; - - // private: should be done by using getters - pthread_t *my_th_; - bool thread_is_running_; - double rtt_; - bool is_running_; - pthread_mutex_t mutex_; - double avg_rtt_; - double avg_win_; - int max_packet_size_; - double win_change_; - double win_current_; -}; - -// A rate estimator, Batching Packets based. Computes EWMA(WinSize)/EWMA(RTT) - -class BatchingPacketsEstimator : public IcnRateEstimator { - public: - BatchingPacketsEstimator(double alpha_arg, int batchingParam); - - void onRttUpdate(double rtt); - - void onDataReceived(int packet_size) { - if (packet_size > this->max_packet_size_) { - this->max_packet_size_ = packet_size; - } - }; - - void onWindowIncrease(double win_current); - - void onWindowDecrease(double win_current); - - void onStart(){}; - - void onDownloadFinished(){}; - - private: - int batching_param_; - double avg_rtt_; - double avg_win_; - double win_change_; - int max_packet_size_; - double win_current_; -}; - -// Segment Estimator - -class ALaTcpEstimator : public IcnRateEstimator { - public: - ALaTcpEstimator(); - - void onDataReceived(int packet_size); - void onStart(); - void onDownloadFinished(); - - private: - double totalSize_; -}; - -// A Rate estimator, this one is the simplest: counting batching_param_ packets -// and then divide the sum of the size of these packets by the time taken to DL -// them. Should be the one used - -class SimpleEstimator : public IcnRateEstimator { - public: - SimpleEstimator(double alpha, int batching_param); - - void onRttUpdate(double rtt); - - void onDataReceived(int packet_size); - - void onWindowIncrease(double win_current){}; - - void onWindowDecrease(double win_current){}; - - void onStart(); - - void onDownloadFinished(); - - private: - int batching_param_; - double total_size_; -}; - -void *Timer(void *data); - -} // namespace protocol - -} // end namespace transport |