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
3 // found in the LICENSE file.
5 // Fix rate send side congestion control, used for testing.
7 #ifndef NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_
8 #define NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_
10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h"
12 #include "net/base/net_export.h"
13 #include "net/quic/quic_clock.h"
14 #include "net/quic/quic_time.h"
15 #include "net/quic/congestion_control/leaky_bucket.h"
16 #include "net/quic/congestion_control/paced_sender.h"
17 #include "net/quic/congestion_control/send_algorithm_interface.h"
21 class NET_EXPORT_PRIVATE FixRateSender : public SendAlgorithmInterface {
23 explicit FixRateSender(const QuicClock* clock);
24 virtual ~FixRateSender();
26 virtual void SetFromConfig(const QuicConfig& config, bool is_server) OVERRIDE;
28 // Start implementation of SendAlgorithmInterface.
29 virtual void OnIncomingQuicCongestionFeedbackFrame(
30 const QuicCongestionFeedbackFrame& feedback,
31 QuicTime feedback_receive_time,
32 const SentPacketsMap& sent_packets) OVERRIDE;
33 virtual void OnIncomingAck(QuicPacketSequenceNumber acked_sequence_number,
34 QuicByteCount acked_bytes,
35 QuicTime::Delta rtt) OVERRIDE;
36 virtual void OnIncomingLoss(QuicTime ack_receive_time) OVERRIDE;
37 virtual bool OnPacketSent(
39 QuicPacketSequenceNumber equence_number,
41 TransmissionType transmission_type,
42 HasRetransmittableData has_retransmittable_data) OVERRIDE;
43 virtual void OnPacketAbandoned(QuicPacketSequenceNumber sequence_number,
44 QuicByteCount abandoned_bytes) OVERRIDE;
45 virtual QuicTime::Delta TimeUntilSend(
47 TransmissionType transmission_type,
48 HasRetransmittableData has_retransmittable_data,
49 IsHandshake handshake) OVERRIDE;
50 virtual QuicBandwidth BandwidthEstimate() OVERRIDE;
51 virtual QuicTime::Delta SmoothedRtt() OVERRIDE;
52 virtual QuicTime::Delta RetransmissionDelay() OVERRIDE;
53 virtual QuicByteCount GetCongestionWindow() OVERRIDE;
54 virtual void SetCongestionWindow(QuicByteCount window) OVERRIDE;
55 // End implementation of SendAlgorithmInterface.
58 QuicByteCount CongestionWindow();
60 QuicBandwidth bitrate_;
61 QuicByteCount max_segment_size_;
62 LeakyBucket fix_rate_leaky_bucket_;
63 PacedSender paced_sender_;
64 QuicByteCount data_in_flight_;
65 QuicTime::Delta latest_rtt_;
67 DISALLOW_COPY_AND_ASSIGN(FixRateSender);
72 #endif // NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_