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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_stream_sequencer.h" | 5 #include "net/quic/core/quic_stream_sequencer.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 #include <string> | 9 #include <string> |
10 #include <utility> | 10 #include <utility> |
11 | 11 |
12 #include "base/format_macros.h" | 12 #include "base/format_macros.h" |
13 #include "base/logging.h" | 13 #include "base/logging.h" |
14 #include "base/strings/string_number_conversions.h" | 14 #include "base/strings/string_number_conversions.h" |
15 #include "base/strings/stringprintf.h" | 15 #include "base/strings/stringprintf.h" |
16 #include "net/quic/core/quic_bug_tracker.h" | 16 #include "net/quic/core/quic_bug_tracker.h" |
17 #include "net/quic/core/quic_clock.h" | 17 #include "net/quic/core/quic_clock.h" |
18 #include "net/quic/core/quic_flags.h" | 18 #include "net/quic/core/quic_flags.h" |
19 #include "net/quic/core/quic_protocol.h" | 19 #include "net/quic/core/quic_protocol.h" |
20 #include "net/quic/core/quic_stream_sequencer_buffer.h" | 20 #include "net/quic/core/quic_stream_sequencer_buffer.h" |
21 #include "net/quic/core/quic_utils.h" | 21 #include "net/quic/core/quic_utils.h" |
22 #include "net/quic/core/reliable_quic_stream.h" | 22 #include "net/quic/core/reliable_quic_stream.h" |
23 | 23 |
24 using base::IntToString; | 24 using base::IntToString; |
25 using base::StringPiece; | 25 using base::StringPiece; |
26 using base::StringPrintf; | 26 using base::StringPrintf; |
27 using std::min; | 27 using std::min; |
28 using std::numeric_limits; | |
29 using std::string; | 28 using std::string; |
30 | 29 |
31 namespace net { | 30 namespace net { |
32 | 31 |
33 QuicStreamSequencer::QuicStreamSequencer(ReliableQuicStream* quic_stream, | 32 QuicStreamSequencer::QuicStreamSequencer(ReliableQuicStream* quic_stream, |
34 const QuicClock* clock) | 33 const QuicClock* clock) |
35 : stream_(quic_stream), | 34 : stream_(quic_stream), |
36 buffered_frames_(kStreamReceiveWindowLimit), | 35 buffered_frames_(kStreamReceiveWindowLimit), |
37 close_offset_(numeric_limits<QuicStreamOffset>::max()), | 36 close_offset_(std::numeric_limits<QuicStreamOffset>::max()), |
38 blocked_(false), | 37 blocked_(false), |
39 num_frames_received_(0), | 38 num_frames_received_(0), |
40 num_duplicate_frames_received_(0), | 39 num_duplicate_frames_received_(0), |
41 clock_(clock), | 40 clock_(clock), |
42 ignore_read_data_(false) {} | 41 ignore_read_data_(false) {} |
43 | 42 |
44 QuicStreamSequencer::~QuicStreamSequencer() {} | 43 QuicStreamSequencer::~QuicStreamSequencer() {} |
45 | 44 |
46 void QuicStreamSequencer::OnStreamFrame(const QuicStreamFrame& frame) { | 45 void QuicStreamSequencer::OnStreamFrame(const QuicStreamFrame& frame) { |
47 ++num_frames_received_; | 46 ++num_frames_received_; |
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83 if (byte_offset == buffered_frames_.BytesConsumed()) { | 82 if (byte_offset == buffered_frames_.BytesConsumed()) { |
84 if (ignore_read_data_) { | 83 if (ignore_read_data_) { |
85 FlushBufferedFrames(); | 84 FlushBufferedFrames(); |
86 } else { | 85 } else { |
87 stream_->OnDataAvailable(); | 86 stream_->OnDataAvailable(); |
88 } | 87 } |
89 } | 88 } |
90 } | 89 } |
91 | 90 |
92 void QuicStreamSequencer::CloseStreamAtOffset(QuicStreamOffset offset) { | 91 void QuicStreamSequencer::CloseStreamAtOffset(QuicStreamOffset offset) { |
93 const QuicStreamOffset kMaxOffset = numeric_limits<QuicStreamOffset>::max(); | 92 const QuicStreamOffset kMaxOffset = |
| 93 std::numeric_limits<QuicStreamOffset>::max(); |
94 | 94 |
95 // If there is a scheduled close, the new offset should match it. | 95 // If there is a scheduled close, the new offset should match it. |
96 if (close_offset_ != kMaxOffset && offset != close_offset_) { | 96 if (close_offset_ != kMaxOffset && offset != close_offset_) { |
97 stream_->Reset(QUIC_MULTIPLE_TERMINATION_OFFSETS); | 97 stream_->Reset(QUIC_MULTIPLE_TERMINATION_OFFSETS); |
98 return; | 98 return; |
99 } | 99 } |
100 | 100 |
101 close_offset_ = offset; | 101 close_offset_ = offset; |
102 | 102 |
103 MaybeCloseStream(); | 103 MaybeCloseStream(); |
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227 "\n bytes buffered: " + IntToString(NumBytesBuffered()) + | 227 "\n bytes buffered: " + IntToString(NumBytesBuffered()) + |
228 "\n bytes consumed: " + IntToString( NumBytesConsumed()) + | 228 "\n bytes consumed: " + IntToString( NumBytesConsumed()) + |
229 "\n has bytes to read: " + (HasBytesToRead() ? "true" : "false") + | 229 "\n has bytes to read: " + (HasBytesToRead() ? "true" : "false") + |
230 "\n frames received: " + IntToString(num_frames_received()) + | 230 "\n frames received: " + IntToString(num_frames_received()) + |
231 "\n close offset bytes: " + IntToString( close_offset_) + | 231 "\n close offset bytes: " + IntToString( close_offset_) + |
232 "\n is closed: " + (IsClosed() ? "true" : "false"); | 232 "\n is closed: " + (IsClosed() ? "true" : "false"); |
233 // clang-format on | 233 // clang-format on |
234 } | 234 } |
235 | 235 |
236 } // namespace net | 236 } // namespace net |
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