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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 #include "net/quic/core/quic_packet_creator.h" | 5 #include "net/quic/core/quic_packet_creator.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <cstdint> | 8 #include <cstdint> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "net/quic/core/crypto/crypto_protocol.h" | 11 #include "net/quic/core/crypto/crypto_protocol.h" |
12 #include "net/quic/core/quic_data_writer.h" | 12 #include "net/quic/core/quic_data_writer.h" |
13 #include "net/quic/core/quic_flags.h" | 13 #include "net/quic/core/quic_flags.h" |
14 #include "net/quic/core/quic_utils.h" | 14 #include "net/quic/core/quic_utils.h" |
15 #include "net/quic/platform/api/quic_aligned.h" | 15 #include "net/quic/platform/api/quic_aligned.h" |
16 #include "net/quic/platform/api/quic_bug_tracker.h" | 16 #include "net/quic/platform/api/quic_bug_tracker.h" |
| 17 #include "net/quic/platform/api/quic_flag_utils.h" |
17 #include "net/quic/platform/api/quic_logging.h" | 18 #include "net/quic/platform/api/quic_logging.h" |
18 #include "net/quic/platform/api/quic_string_piece.h" | 19 #include "net/quic/platform/api/quic_string_piece.h" |
19 | 20 |
20 using std::string; | 21 using std::string; |
21 | 22 |
22 // If true, enforce that QUIC CHLOs fit in one packet. | 23 // If true, enforce that QUIC CHLOs fit in one packet. |
23 bool FLAGS_quic_enforce_single_packet_chlo = true; | 24 bool FLAGS_quic_enforce_single_packet_chlo = true; |
24 | 25 |
25 namespace net { | 26 namespace net { |
26 | 27 |
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638 return; | 639 return; |
639 } | 640 } |
640 | 641 |
641 if (needs_full_padding_) { | 642 if (needs_full_padding_) { |
642 // Full padding does not consume pending padding bytes. | 643 // Full padding does not consume pending padding bytes. |
643 packet_.num_padding_bytes = -1; | 644 packet_.num_padding_bytes = -1; |
644 } else { | 645 } else { |
645 packet_.num_padding_bytes = | 646 packet_.num_padding_bytes = |
646 std::min<int16_t>(pending_padding_bytes_, BytesFree()); | 647 std::min<int16_t>(pending_padding_bytes_, BytesFree()); |
647 pending_padding_bytes_ -= packet_.num_padding_bytes; | 648 pending_padding_bytes_ -= packet_.num_padding_bytes; |
| 649 QUIC_FLAG_COUNT(quic_reloadable_flag_quic_enable_random_padding); |
648 } | 650 } |
649 | 651 |
650 bool success = | 652 bool success = |
651 AddFrame(QuicFrame(QuicPaddingFrame(packet_.num_padding_bytes)), false); | 653 AddFrame(QuicFrame(QuicPaddingFrame(packet_.num_padding_bytes)), false); |
652 DCHECK(success); | 654 DCHECK(success); |
653 } | 655 } |
654 | 656 |
655 bool QuicPacketCreator::IncludeNonceInPublicHeader() { | 657 bool QuicPacketCreator::IncludeNonceInPublicHeader() { |
656 return have_diversification_nonce_ && | 658 return have_diversification_nonce_ && |
657 packet_.encryption_level == ENCRYPTION_INITIAL; | 659 packet_.encryption_level == ENCRYPTION_INITIAL; |
658 } | 660 } |
659 | 661 |
660 void QuicPacketCreator::AddPendingPadding(QuicByteCount size) { | 662 void QuicPacketCreator::AddPendingPadding(QuicByteCount size) { |
661 pending_padding_bytes_ += size; | 663 pending_padding_bytes_ += size; |
662 } | 664 } |
663 | 665 |
664 } // namespace net | 666 } // namespace net |
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