Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(177)

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

Issue 1037403004: Land Recent QUIC Changes until 03/27/2015 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Cleanup Created 5 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « no previous file | net/quic/congestion_control/pacing_sender.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 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 // A send algorithm that adds pacing on top of an another send algorithm. 5 // A send algorithm that adds pacing on top of an another send algorithm.
6 // It uses the underlying sender's pacing rate to schedule packets. 6 // It uses the underlying sender's pacing rate to schedule packets.
7 // It also takes into consideration the expected granularity of the underlying 7 // It also takes into consideration the expected granularity of the underlying
8 // alarm to ensure that alarms are not set too aggressively, and err towards 8 // alarm to ensure that alarms are not set too aggressively, and err towards
9 // sending packets too early instead of too late. 9 // sending packets too early instead of too late.
10 10
11 #ifndef NET_QUIC_CONGESTION_CONTROL_PACING_SENDER_H_ 11 #ifndef NET_QUIC_CONGESTION_CONTROL_PACING_SENDER_H_
12 #define NET_QUIC_CONGESTION_CONTROL_PACING_SENDER_H_ 12 #define NET_QUIC_CONGESTION_CONTROL_PACING_SENDER_H_
13 13
14 #include <map> 14 #include <map>
15 15
16 #include "base/basictypes.h" 16 #include "base/basictypes.h"
17 #include "base/memory/scoped_ptr.h" 17 #include "base/memory/scoped_ptr.h"
18 #include "net/quic/congestion_control/send_algorithm_interface.h" 18 #include "net/quic/congestion_control/send_algorithm_interface.h"
19 #include "net/quic/crypto/cached_network_parameters.h"
20 #include "net/quic/quic_bandwidth.h" 19 #include "net/quic/quic_bandwidth.h"
21 #include "net/quic/quic_config.h" 20 #include "net/quic/quic_config.h"
22 #include "net/quic/quic_protocol.h" 21 #include "net/quic/quic_protocol.h"
23 #include "net/quic/quic_time.h" 22 #include "net/quic/quic_time.h"
24 23
25 namespace net { 24 namespace net {
26 25
27 class NET_EXPORT_PRIVATE PacingSender : public SendAlgorithmInterface { 26 class NET_EXPORT_PRIVATE PacingSender : public SendAlgorithmInterface {
28 public: 27 public:
29 // Create a PacingSender to wrap the specified sender. |alarm_granularity| 28 // Create a PacingSender to wrap the specified sender. |alarm_granularity|
30 // indicates to the pacer to send that far into the future, since it should 29 // indicates to the pacer to send that far into the future, since it should
31 // not expect a callback before that time delta. |initial_packet_burst| is 30 // not expect a callback before that time delta. |initial_packet_burst| is
32 // the number of packets sent without pacing after quiescence. 31 // the number of packets sent without pacing after quiescence.
33 PacingSender(SendAlgorithmInterface* sender, 32 PacingSender(SendAlgorithmInterface* sender,
34 QuicTime::Delta alarm_granularity, 33 QuicTime::Delta alarm_granularity,
35 uint32 initial_packet_burst); 34 uint32 initial_packet_burst);
36 ~PacingSender() override; 35 ~PacingSender() override;
37 36
38 // SendAlgorithmInterface methods. 37 // SendAlgorithmInterface methods.
39 void SetFromConfig(const QuicConfig& config, 38 void SetFromConfig(const QuicConfig& config,
40 Perspective perspective, 39 Perspective perspective) override;
41 bool using_pacing) override;
42 bool ResumeConnectionState( 40 bool ResumeConnectionState(
43 const CachedNetworkParameters& cached_network_params, 41 const CachedNetworkParameters& cached_network_params,
44 bool max_bandwidth_resumption) override; 42 bool max_bandwidth_resumption) override;
45 void SetNumEmulatedConnections(int num_connections) override; 43 void SetNumEmulatedConnections(int num_connections) override;
46 void SetMaxCongestionWindow(QuicByteCount max_congestion_window) override; 44 void SetMaxCongestionWindow(QuicByteCount max_congestion_window) override;
47 void OnCongestionEvent(bool rtt_updated, 45 void OnCongestionEvent(bool rtt_updated,
48 QuicByteCount bytes_in_flight, 46 QuicByteCount bytes_in_flight,
49 const CongestionVector& acked_packets, 47 const CongestionVector& acked_packets,
50 const CongestionVector& lost_packets) override; 48 const CongestionVector& lost_packets) override;
51 bool OnPacketSent(QuicTime sent_time, 49 bool OnPacketSent(QuicTime sent_time,
(...skipping 29 matching lines...) Expand all
81 QuicTime last_delayed_packet_sent_time_; 79 QuicTime last_delayed_packet_sent_time_;
82 QuicTime ideal_next_packet_send_time_; // When can the next packet be sent. 80 QuicTime ideal_next_packet_send_time_; // When can the next packet be sent.
83 mutable bool was_last_send_delayed_; // True when the last send was delayed. 81 mutable bool was_last_send_delayed_; // True when the last send was delayed.
84 82
85 DISALLOW_COPY_AND_ASSIGN(PacingSender); 83 DISALLOW_COPY_AND_ASSIGN(PacingSender);
86 }; 84 };
87 85
88 } // namespace net 86 } // namespace net
89 87
90 #endif // NET_QUIC_CONGESTION_CONTROL_PACING_SENDER_H_ 88 #endif // NET_QUIC_CONGESTION_CONTROL_PACING_SENDER_H_
OLDNEW
« no previous file with comments | « no previous file | net/quic/congestion_control/pacing_sender.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698