| Index: net/quic/congestion_control/send_algorithm_interface.h
|
| diff --git a/net/quic/congestion_control/send_algorithm_interface.h b/net/quic/congestion_control/send_algorithm_interface.h
|
| deleted file mode 100644
|
| index c50f6a68f78188ae1b27443befd01b74d66d8869..0000000000000000000000000000000000000000
|
| --- a/net/quic/congestion_control/send_algorithm_interface.h
|
| +++ /dev/null
|
| @@ -1,126 +0,0 @@
|
| -// 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.
|
| -//
|
| -// The pure virtual class for send side congestion control algorithm.
|
| -
|
| -#ifndef NET_QUIC_CONGESTION_CONTROL_SEND_ALGORITHM_INTERFACE_H_
|
| -#define NET_QUIC_CONGESTION_CONTROL_SEND_ALGORITHM_INTERFACE_H_
|
| -
|
| -#include <algorithm>
|
| -#include <map>
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "net/base/net_export.h"
|
| -#include "net/quic/crypto/cached_network_parameters.h"
|
| -#include "net/quic/quic_bandwidth.h"
|
| -#include "net/quic/quic_clock.h"
|
| -#include "net/quic/quic_config.h"
|
| -#include "net/quic/quic_connection_stats.h"
|
| -#include "net/quic/quic_protocol.h"
|
| -#include "net/quic/quic_time.h"
|
| -
|
| -namespace net {
|
| -
|
| -class RttStats;
|
| -
|
| -class NET_EXPORT_PRIVATE SendAlgorithmInterface {
|
| - public:
|
| - // A sorted vector of packets.
|
| - typedef std::vector<std::pair<QuicPacketSequenceNumber, TransmissionInfo>>
|
| - CongestionVector;
|
| -
|
| - static SendAlgorithmInterface* Create(
|
| - const QuicClock* clock,
|
| - const RttStats* rtt_stats,
|
| - CongestionControlType type,
|
| - QuicConnectionStats* stats,
|
| - QuicPacketCount initial_congestion_window);
|
| -
|
| - virtual ~SendAlgorithmInterface() {}
|
| -
|
| - virtual void SetFromConfig(
|
| - const QuicConfig& config, bool is_server, bool using_pacing) = 0;
|
| -
|
| - // Sets the number of connections to emulate when doing congestion control,
|
| - // particularly for congestion avoidance. Can be set any time.
|
| - virtual void SetNumEmulatedConnections(int num_connections) = 0;
|
| -
|
| - // Indicates an update to the congestion state, caused either by an incoming
|
| - // ack or loss event timeout. |rtt_updated| indicates whether a new
|
| - // latest_rtt sample has been taken, |byte_in_flight| the bytes in flight
|
| - // prior to the congestion event. |acked_packets| and |lost_packets| are
|
| - // any packets considered acked or lost as a result of the congestion event.
|
| - virtual void OnCongestionEvent(bool rtt_updated,
|
| - QuicByteCount bytes_in_flight,
|
| - const CongestionVector& acked_packets,
|
| - const CongestionVector& lost_packets) = 0;
|
| -
|
| - // Inform that we sent |bytes| to the wire, and if the packet is
|
| - // retransmittable. Returns true if the packet should be tracked by the
|
| - // congestion manager and included in bytes_in_flight, false otherwise.
|
| - // |bytes_in_flight| is the number of bytes in flight before the packet was
|
| - // sent.
|
| - // Note: this function must be called for every packet sent to the wire.
|
| - virtual bool OnPacketSent(QuicTime sent_time,
|
| - QuicByteCount bytes_in_flight,
|
| - QuicPacketSequenceNumber sequence_number,
|
| - QuicByteCount bytes,
|
| - HasRetransmittableData is_retransmittable) = 0;
|
| -
|
| - // Called when the retransmission timeout fires. Neither OnPacketAbandoned
|
| - // nor OnPacketLost will be called for these packets.
|
| - virtual void OnRetransmissionTimeout(bool packets_retransmitted) = 0;
|
| -
|
| - // Called when the last retransmission timeout was spurious.
|
| - virtual void RevertRetransmissionTimeout() = 0;
|
| -
|
| - // Calculate the time until we can send the next packet.
|
| - virtual QuicTime::Delta TimeUntilSend(
|
| - QuicTime now,
|
| - QuicByteCount bytes_in_flight,
|
| - HasRetransmittableData has_retransmittable_data) const = 0;
|
| -
|
| - // The pacing rate of the send algorithm. May be zero if the rate is unknown.
|
| - virtual QuicBandwidth PacingRate() const = 0;
|
| -
|
| - // What's the current estimated bandwidth in bytes per second.
|
| - // Returns 0 when it does not have an estimate.
|
| - virtual QuicBandwidth BandwidthEstimate() const = 0;
|
| -
|
| - // Returns true if the current bandwidth estimate is reliable.
|
| - virtual bool HasReliableBandwidthEstimate() const = 0;
|
| -
|
| - // Get the send algorithm specific retransmission delay, called RTO in TCP,
|
| - // Note 1: the caller is responsible for sanity checking this value.
|
| - // Note 2: this will return zero if we don't have enough data for an estimate.
|
| - virtual QuicTime::Delta RetransmissionDelay() const = 0;
|
| -
|
| - // Returns the size of the current congestion window in bytes. Note, this is
|
| - // not the *available* window. Some send algorithms may not use a congestion
|
| - // window and will return 0.
|
| - virtual QuicByteCount GetCongestionWindow() const = 0;
|
| -
|
| - // Whether the send algorithm is currently in slow start. When true, the
|
| - // BandwidthEstimate is expected to be too low.
|
| - virtual bool InSlowStart() const = 0;
|
| -
|
| - // Whether the send algorithm is currently in recovery.
|
| - virtual bool InRecovery() const = 0;
|
| -
|
| - // Returns the size of the slow start congestion window in bytes,
|
| - // aka ssthresh. Some send algorithms do not define a slow start
|
| - // threshold and will return 0.
|
| - virtual QuicByteCount GetSlowStartThreshold() const = 0;
|
| -
|
| - virtual CongestionControlType GetCongestionControlType() const = 0;
|
| -
|
| - // Called by the Session when we get a bandwidth estimate from the client.
|
| - // Returns true if initial connection state is changed as a result.
|
| - virtual bool ResumeConnectionState(
|
| - const CachedNetworkParameters& cached_network_params) = 0;
|
| -};
|
| -
|
| -} // namespace net
|
| -
|
| -#endif // NET_QUIC_CONGESTION_CONTROL_SEND_ALGORITHM_INTERFACE_H_
|
|
|