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/*
* Copyright (c) 2021 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/config.h>
#include <hicn/transport/interfaces/socket_options_keys.h>
// RtcTransportRecoveryStrategies
#include <hicn/transport/core/asio_wrapper.h>
#include <hicn/transport/core/content_object.h>
#include <hicn/transport/core/name.h>
#include <protocols/rtc/rtc_recovery_strategy.h>
#include <functional>
namespace transport {
namespace protocol {
namespace rtc {
class RTCLossDetectionAndRecovery
: public std::enable_shared_from_this<RTCLossDetectionAndRecovery> {
public:
RTCLossDetectionAndRecovery(Indexer *indexer, asio::io_service &io_service,
interface::RtcTransportRecoveryStrategies type,
RecoveryStrategy::SendRtxCallback &&callback,
interface::StrategyCallback *external_callback);
~RTCLossDetectionAndRecovery();
void setState(RTCState *state) { rs_->setState(state); }
void setRateControl(RTCRateControl *rateControl) {
rs_->setRateControl(rateControl);
}
void setFecParams(uint32_t n, uint32_t k) { rs_->setFecParams(n, k); }
void turnOnRecovery() { rs_->tunrOnRecovery(); }
bool isRtxOn() { return rs_->isRtxOn(); }
void changeRecoveryStrategy(interface::RtcTransportRecoveryStrategies type);
void onNewRound(bool in_sync);
void onTimeout(uint32_t seq, bool lost);
void onPacketRecoveredFec(uint32_t seq);
void onDataPacketReceived(const core::ContentObject &content_object);
void onNackPacketReceived(const core::ContentObject &nack);
void onProbePacketReceived(const core::ContentObject &probe);
void clear() { rs_->clear(); }
bool isRtx(uint32_t seq) { return rs_->isRtx(seq); }
bool isPossibleLossWithNoRtx(uint32_t seq) {
return rs_->isPossibleLossWithNoRtx(seq);
}
private:
void detectLoss(uint32_t start, uint32_t stop);
interface::RtcTransportRecoveryStrategies rs_type_;
std::shared_ptr<RecoveryStrategy> rs_;
};
} // end namespace rtc
} // end namespace protocol
} // end namespace transport
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