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/*
* 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/utils/min_filter.h>
#include <stdint.h>
#include <climits>
#define ALPHA_RTC 0.125
#define HISTORY_LEN 30
namespace transport {
namespace protocol {
class RTCDataPath {
public:
RTCDataPath();
public:
void insertRttSample(uint64_t rtt);
void insertOwdSample(int64_t owd);
uint64_t getMinRtt();
double getQueuingDealy();
void roundEnd();
private:
int64_t getMinOwd();
uint64_t min_rtt;
uint64_t prev_min_rtt;
int64_t min_owd;
int64_t prev_min_owd;
double avg_owd;
double queuing_delay;
utils::MinFilter<uint64_t> RTThistory_;
utils::MinFilter<int64_t> OWDhistory_;
};
} // namespace protocol
} // end namespace transport
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