| // Copyright (c) 2012 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. |
| // |
| // Fix rate send side congestion control, used for testing. |
| |
| #ifndef NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ |
| #define NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "net/base/net_export.h" |
| #include "net/quic/quic_clock.h" |
| #include "net/quic/quic_time.h" |
| #include "net/quic/congestion_control/leaky_bucket.h" |
| #include "net/quic/congestion_control/paced_sender.h" |
| #include "net/quic/congestion_control/send_algorithm_interface.h" |
| |
| namespace net { |
| |
| class NET_EXPORT_PRIVATE FixRateSender : public SendAlgorithmInterface { |
| public: |
| explicit FixRateSender(const QuicClock* clock); |
| virtual ~FixRateSender(); |
| |
| // Start implementation of SendAlgorithmInterface. |
| virtual void SetFromConfig(const QuicConfig& config, bool is_server) OVERRIDE; |
| virtual void SetMaxPacketSize(QuicByteCount max_packet_size) OVERRIDE; |
| virtual void OnIncomingQuicCongestionFeedbackFrame( |
| const QuicCongestionFeedbackFrame& feedback, |
| QuicTime feedback_receive_time, |
| const SentPacketsMap& sent_packets) OVERRIDE; |
| virtual void OnPacketAcked(QuicPacketSequenceNumber acked_sequence_number, |
| QuicByteCount acked_bytes, |
| QuicTime::Delta rtt) OVERRIDE; |
| virtual void OnPacketLost(QuicPacketSequenceNumber sequence_number, |
| QuicTime ack_receive_time) OVERRIDE; |
| virtual bool OnPacketSent( |
| QuicTime sent_time, |
| QuicPacketSequenceNumber sequence_number, |
| QuicByteCount bytes, |
| TransmissionType transmission_type, |
| HasRetransmittableData has_retransmittable_data) OVERRIDE; |
| virtual void OnRetransmissionTimeout() OVERRIDE; |
| virtual void OnPacketAbandoned(QuicPacketSequenceNumber sequence_number, |
| QuicByteCount abandoned_bytes) OVERRIDE; |
| virtual QuicTime::Delta TimeUntilSend( |
| QuicTime now, |
| TransmissionType transmission_type, |
| HasRetransmittableData has_retransmittable_data, |
| IsHandshake handshake) OVERRIDE; |
| virtual QuicBandwidth BandwidthEstimate() const OVERRIDE; |
| virtual QuicTime::Delta SmoothedRtt() const OVERRIDE; |
| virtual QuicTime::Delta RetransmissionDelay() const OVERRIDE; |
| virtual QuicByteCount GetCongestionWindow() const OVERRIDE; |
| // End implementation of SendAlgorithmInterface. |
| |
| private: |
| QuicByteCount CongestionWindow(); |
| |
| QuicBandwidth bitrate_; |
| QuicByteCount max_segment_size_; |
| LeakyBucket fix_rate_leaky_bucket_; |
| PacedSender paced_sender_; |
| QuicByteCount data_in_flight_; |
| QuicTime::Delta latest_rtt_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FixRateSender); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_ |