diff options
Diffstat (limited to 'icnet/transport/icnet_transport_vegas_rto_estimator.h')
-rw-r--r-- | icnet/transport/icnet_transport_vegas_rto_estimator.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/icnet/transport/icnet_transport_vegas_rto_estimator.h b/icnet/transport/icnet_transport_vegas_rto_estimator.h new file mode 100644 index 00000000..7b18533c --- /dev/null +++ b/icnet/transport/icnet_transport_vegas_rto_estimator.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2017 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. + */ + +#ifndef ICNET_VEGAS_TRANSPORT_PROTOCOL_RTT_ESTIMATOR_H_ +#define ICNET_VEGAS_TRANSPORT_PROTOCOL_RTT_ESTIMATOR_H_ + +#include "icnet_common.h" + +// Implementation inspired from RFC6298 (https://tools.ietf.org/search/rfc6298#ref-JK88) + +namespace icnet { + +class RtoEstimator { + public: + typedef std::chrono::microseconds Duration; + + static Duration getInitialRtt() { + return std::chrono::seconds(1); + } + + RtoEstimator(Duration min_rto = std::chrono::seconds(1)); + + void addMeasurement(Duration measure); + + Duration computeRto() const; + + private: + double smoothed_rtt_; + double rtt_variation_; + bool first_measurement_; + double last_rto_; +}; + +} // end namespace icnet + + +#endif // ICNET_VEGAS_TRANSPORT_PROTOCOL_RTT_ESTIMATOR_H_ |