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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Fix rate send side congestion control, used for testing. | 5 // Fix rate send side congestion control, used for testing. |
6 | 6 |
7 #ifndef NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ | 7 #ifndef NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ |
8 #define NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ | 8 #define NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
12 #include "net/base/net_export.h" | 12 #include "net/base/net_export.h" |
13 #include "net/quic/quic_clock.h" | 13 #include "net/quic/quic_clock.h" |
14 #include "net/quic/quic_time.h" | 14 #include "net/quic/quic_time.h" |
15 #include "net/quic/congestion_control/leaky_bucket.h" | 15 #include "net/quic/congestion_control/leaky_bucket.h" |
16 #include "net/quic/congestion_control/paced_sender.h" | 16 #include "net/quic/congestion_control/paced_sender.h" |
17 #include "net/quic/congestion_control/send_algorithm_interface.h" | 17 #include "net/quic/congestion_control/send_algorithm_interface.h" |
18 | 18 |
19 namespace net { | 19 namespace net { |
20 | 20 |
21 class NET_EXPORT_PRIVATE FixRateSender : public SendAlgorithmInterface { | 21 class NET_EXPORT_PRIVATE FixRateSender : public SendAlgorithmInterface { |
22 | |
23 public: | 22 public: |
24 explicit FixRateSender(const QuicClock* clock); | 23 explicit FixRateSender(const QuicClock* clock); |
| 24 virtual ~FixRateSender(); |
25 | 25 |
26 // Start implementation of SendAlgorithmInterface. | 26 // Start implementation of SendAlgorithmInterface. |
27 virtual void OnIncomingQuicCongestionFeedbackFrame( | 27 virtual void OnIncomingQuicCongestionFeedbackFrame( |
28 const QuicCongestionFeedbackFrame& feedback, | 28 const QuicCongestionFeedbackFrame& feedback, |
29 QuicTime feedback_receive_time, | 29 QuicTime feedback_receive_time, |
30 QuicBandwidth sent_bandwidth, | 30 QuicBandwidth sent_bandwidth, |
31 const SentPacketsMap& sent_packets) OVERRIDE; | 31 const SentPacketsMap& sent_packets) OVERRIDE; |
32 virtual void OnIncomingAck(QuicPacketSequenceNumber acked_sequence_number, | 32 virtual void OnIncomingAck(QuicPacketSequenceNumber acked_sequence_number, |
33 QuicByteCount acked_bytes, | 33 QuicByteCount acked_bytes, |
34 QuicTime::Delta rtt) OVERRIDE; | 34 QuicTime::Delta rtt) OVERRIDE; |
35 virtual void OnIncomingLoss(QuicTime ack_receive_time) OVERRIDE; | 35 virtual void OnIncomingLoss(QuicTime ack_receive_time) OVERRIDE; |
36 virtual void SentPacket(QuicTime sent_time, | 36 virtual void SentPacket(QuicTime sent_time, |
37 QuicPacketSequenceNumber equence_number, | 37 QuicPacketSequenceNumber equence_number, |
38 QuicByteCount bytes, | 38 QuicByteCount bytes, |
39 bool is_retransmission, | 39 bool is_retransmission) OVERRIDE; |
40 bool has_retransmittable_data) OVERRIDE; | 40 virtual void AbandoningPacket(QuicPacketSequenceNumber sequence_number, |
| 41 QuicByteCount abandoned_bytes) OVERRIDE; |
41 virtual QuicTime::Delta TimeUntilSend(QuicTime now, | 42 virtual QuicTime::Delta TimeUntilSend(QuicTime now, |
42 bool is_retransmission) OVERRIDE; | 43 bool is_retransmission, |
| 44 bool has_retransmittable_data) OVERRIDE; |
43 virtual QuicBandwidth BandwidthEstimate() OVERRIDE; | 45 virtual QuicBandwidth BandwidthEstimate() OVERRIDE; |
| 46 virtual QuicTime::Delta SmoothedRtt() OVERRIDE; |
44 // End implementation of SendAlgorithmInterface. | 47 // End implementation of SendAlgorithmInterface. |
45 | 48 |
46 private: | 49 private: |
47 QuicByteCount CongestionWindow(); | 50 QuicByteCount CongestionWindow(); |
48 | 51 |
49 QuicBandwidth bitrate_; | 52 QuicBandwidth bitrate_; |
50 LeakyBucket fix_rate_leaky_bucket_; | 53 LeakyBucket fix_rate_leaky_bucket_; |
51 PacedSender paced_sender_; | 54 PacedSender paced_sender_; |
52 QuicByteCount data_in_flight_; | 55 QuicByteCount data_in_flight_; |
| 56 QuicTime::Delta latest_rtt_; |
53 | 57 |
54 DISALLOW_COPY_AND_ASSIGN(FixRateSender); | 58 DISALLOW_COPY_AND_ASSIGN(FixRateSender); |
55 }; | 59 }; |
56 | 60 |
57 } // namespace net | 61 } // namespace net |
58 | 62 |
59 #endif // NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ | 63 #endif // NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ |
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