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Side by Side Diff: net/quic/congestion_control/loss_detection_interface.h

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 //
5 // The pure virtual class for send side loss detection algorithm.
6
7 #ifndef NET_QUIC_CONGESTION_CONTROL_LOSS_DETECTION_INTERFACE_H_
8 #define NET_QUIC_CONGESTION_CONTROL_LOSS_DETECTION_INTERFACE_H_
9
10 #include "base/basictypes.h"
11 #include "net/quic/quic_protocol.h"
12 #include "net/quic/quic_time.h"
13
14 namespace net {
15
16 class QuicUnackedPacketMap;
17 class RttStats;
18
19 class NET_EXPORT_PRIVATE LossDetectionInterface {
20 public:
21 // Creates a TCP loss detector.
22 static LossDetectionInterface* Create(LossDetectionType loss_type);
23
24 virtual ~LossDetectionInterface() {}
25
26 virtual LossDetectionType GetLossDetectionType() const = 0;
27
28 // Called when a new ack arrives or the loss alarm fires.
29 virtual SequenceNumberSet DetectLostPackets(
30 const QuicUnackedPacketMap& unacked_packets,
31 const QuicTime& time,
32 QuicPacketSequenceNumber largest_observed,
33 const RttStats& rtt_stats) = 0;
34
35 // Get the time the LossDetectionAlgorithm wants to re-evaluate losses.
36 // Returns QuicTime::Zero if no alarm needs to be set.
37 virtual QuicTime GetLossTimeout() const = 0;
38 };
39
40 } // namespace net
41
42 #endif // NET_QUIC_CONGESTION_CONTROL_LOSS_DETECTION_INTERFACE_H_
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