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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 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 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ | 5 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ |
6 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ | 6 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 #include <memory> | 11 #include <memory> |
12 #include <set> | 12 #include <set> |
13 #include <utility> | 13 #include <utility> |
14 #include <vector> | 14 #include <vector> |
15 | 15 |
16 #include "base/macros.h" | 16 #include "base/macros.h" |
17 #include "net/base/linked_hash_map.h" | 17 #include "net/base/linked_hash_map.h" |
18 #include "net/quic/core/congestion_control/general_loss_algorithm.h" | 18 #include "net/quic/core/congestion_control/general_loss_algorithm.h" |
19 #include "net/quic/core/congestion_control/loss_detection_interface.h" | 19 #include "net/quic/core/congestion_control/loss_detection_interface.h" |
20 #include "net/quic/core/congestion_control/pacing_sender.h" | |
21 #include "net/quic/core/congestion_control/rtt_stats.h" | 20 #include "net/quic/core/congestion_control/rtt_stats.h" |
22 #include "net/quic/core/congestion_control/send_algorithm_interface.h" | 21 #include "net/quic/core/congestion_control/send_algorithm_interface.h" |
23 #include "net/quic/core/quic_protocol.h" | 22 #include "net/quic/core/quic_protocol.h" |
24 #include "net/quic/core/quic_sent_packet_manager_interface.h" | 23 #include "net/quic/core/quic_sent_packet_manager_interface.h" |
25 #include "net/quic/core/quic_unacked_packet_map.h" | 24 #include "net/quic/core/quic_unacked_packet_map.h" |
26 | 25 |
27 namespace net { | 26 namespace net { |
28 | 27 |
29 namespace test { | 28 namespace test { |
30 class QuicConnectionPeer; | 29 class QuicConnectionPeer; |
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367 size_t consecutive_tlp_count_; | 366 size_t consecutive_tlp_count_; |
368 // Number of times the crypto handshake has been retransmitted. | 367 // Number of times the crypto handshake has been retransmitted. |
369 size_t consecutive_crypto_retransmission_count_; | 368 size_t consecutive_crypto_retransmission_count_; |
370 // Number of pending transmissions of TLP, RTO, or crypto packets. | 369 // Number of pending transmissions of TLP, RTO, or crypto packets. |
371 size_t pending_timer_transmission_count_; | 370 size_t pending_timer_transmission_count_; |
372 // Maximum number of tail loss probes to send before firing an RTO. | 371 // Maximum number of tail loss probes to send before firing an RTO. |
373 size_t max_tail_loss_probes_; | 372 size_t max_tail_loss_probes_; |
374 // If true, send the TLP at 0.5 RTT. | 373 // If true, send the TLP at 0.5 RTT. |
375 bool enable_half_rtt_tail_loss_probe_; | 374 bool enable_half_rtt_tail_loss_probe_; |
376 bool using_pacing_; | 375 bool using_pacing_; |
377 // TODO(jdorfman): Remove |using_pacing_| and rename |using_inline_pacing_| to | |
378 // |using_pacing| when deprecating | |
379 // gfe2_reloadable_flag_quic_use_inline_pacing. | |
380 bool using_inline_pacing_; | |
381 // If true, use the new RTO with loss based CWND reduction instead of the send | 376 // If true, use the new RTO with loss based CWND reduction instead of the send |
382 // algorithms's OnRetransmissionTimeout to reduce the congestion window. | 377 // algorithms's OnRetransmissionTimeout to reduce the congestion window. |
383 bool use_new_rto_; | 378 bool use_new_rto_; |
384 // If true, cancel pending retransmissions if they're larger than | 379 // If true, cancel pending retransmissions if they're larger than |
385 // largest_newly_acked. | 380 // largest_newly_acked. |
386 bool undo_pending_retransmits_; | 381 bool undo_pending_retransmits_; |
387 | 382 |
388 // Vectors packets acked and lost as a result of the last congestion event. | 383 // Vectors packets acked and lost as a result of the last congestion event. |
389 SendAlgorithmInterface::CongestionVector packets_acked_; | 384 SendAlgorithmInterface::CongestionVector packets_acked_; |
390 SendAlgorithmInterface::CongestionVector packets_lost_; | 385 SendAlgorithmInterface::CongestionVector packets_lost_; |
391 // Largest newly acknowledged packet. | 386 // Largest newly acknowledged packet. |
392 QuicPacketNumber largest_newly_acked_; | 387 QuicPacketNumber largest_newly_acked_; |
393 // Largest packet in bytes ever acknowledged. | 388 // Largest packet in bytes ever acknowledged. |
394 QuicPacketLength largest_mtu_acked_; | 389 QuicPacketLength largest_mtu_acked_; |
395 | 390 |
396 PacingSender pacing_sender_; | |
397 | |
398 // Set to true after the crypto handshake has successfully completed. After | 391 // Set to true after the crypto handshake has successfully completed. After |
399 // this is true we no longer use HANDSHAKE_MODE, and further frames sent on | 392 // this is true we no longer use HANDSHAKE_MODE, and further frames sent on |
400 // the crypto stream (i.e. SCUP messages) are treated like normal | 393 // the crypto stream (i.e. SCUP messages) are treated like normal |
401 // retransmittable frames. | 394 // retransmittable frames. |
402 bool handshake_confirmed_; | 395 bool handshake_confirmed_; |
403 | 396 |
404 // Records bandwidth from server to client in normal operation, over periods | 397 // Records bandwidth from server to client in normal operation, over periods |
405 // of time with no loss events. | 398 // of time with no loss events. |
406 QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_; | 399 QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_; |
407 | 400 |
408 DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager); | 401 DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager); |
409 }; | 402 }; |
410 | 403 |
411 } // namespace net | 404 } // namespace net |
412 | 405 |
413 #endif // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ | 406 #endif // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_ |
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