blob: af9c19626568e2a9be81149d1241a671e14b0df8 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// The pure virtual class for send side loss detection algorithm.
#include "net/third_party/quiche/src/quic/core/congestion_control/send_algorithm_interface.h"
#include "net/third_party/quiche/src/quic/core/quic_packets.h"
#include "net/third_party/quiche/src/quic/core/quic_time.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
namespace quic {
class QuicUnackedPacketMap;
class RttStats;
class QUIC_EXPORT_PRIVATE LossDetectionInterface {
virtual ~LossDetectionInterface() {}
virtual LossDetectionType GetLossDetectionType() const = 0;
// Called when a new ack arrives or the loss alarm fires.
virtual void DetectLosses(const QuicUnackedPacketMap& unacked_packets,
QuicTime time,
const RttStats& rtt_stats,
QuicPacketNumber largest_newly_acked,
const AckedPacketVector& packets_acked,
LostPacketVector* packets_lost) = 0;
// Get the time the LossDetectionAlgorithm wants to re-evaluate losses.
// Returns QuicTime::Zero if no alarm needs to be set.
virtual QuicTime GetLossTimeout() const = 0;
// Called when |packet_number| was detected lost but gets acked later.
virtual void SpuriousLossDetected(
const QuicUnackedPacketMap& unacked_packets,
const RttStats& rtt_stats,
QuicTime ack_receive_time,
QuicPacketNumber packet_number,
QuicPacketNumber previous_largest_acked) = 0;
} // namespace quic