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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 #include "net/quic/quic_spdy_stream.h" | 5 #include "net/quic/quic_spdy_stream.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "net/quic/quic_spdy_session.h" | 8 #include "net/quic/quic_spdy_session.h" |
| 9 #include "net/quic/quic_utils.h" | 9 #include "net/quic/quic_utils.h" |
| 10 #include "net/quic/quic_write_blocked_list.h" | 10 #include "net/quic/quic_write_blocked_list.h" |
| 11 | 11 |
| 12 using base::StringPiece; | 12 using base::StringPiece; |
| 13 using std::min; | 13 using std::min; |
| 14 using net::SpdyPriority; |
| 14 | 15 |
| 15 namespace net { | 16 namespace net { |
| 16 | 17 |
| 17 #define ENDPOINT \ | 18 #define ENDPOINT \ |
| 18 (session()->perspective() == Perspective::IS_SERVER ? "Server: " : "Client:" \ | 19 (session()->perspective() == Perspective::IS_SERVER ? "Server: " : "Client:" \ |
| 19 " ") | 20 " ") |
| 20 | 21 |
| 21 namespace { | 22 namespace { |
| 22 | 23 |
| 23 // This is somewhat arbitrary. It's possible, but unlikely, we will either fail | 24 // This is somewhat arbitrary. It's possible, but unlikely, we will either fail |
| 24 // to set a priority client-side, or cancel a stream before stripping the | 25 // to set a priority client-side, or cancel a stream before stripping the |
| 25 // priority from the wire server-side. In either case, start out with a | 26 // priority from the wire server-side. In either case, start out with a |
| 26 // priority in the middle. | 27 // priority in the middle. |
| 27 QuicPriority kDefaultPriority = 3; | 28 SpdyPriority kDefaultPriority = 3; |
| 28 | 29 |
| 29 } // namespace | 30 } // namespace |
| 30 | 31 |
| 31 QuicSpdyStream::QuicSpdyStream(QuicStreamId id, QuicSpdySession* spdy_session) | 32 QuicSpdyStream::QuicSpdyStream(QuicStreamId id, QuicSpdySession* spdy_session) |
| 32 : ReliableQuicStream(id, spdy_session), | 33 : ReliableQuicStream(id, spdy_session), |
| 33 spdy_session_(spdy_session), | 34 spdy_session_(spdy_session), |
| 34 visitor_(nullptr), | 35 visitor_(nullptr), |
| 35 headers_decompressed_(false), | 36 headers_decompressed_(false), |
| 36 priority_(kDefaultPriority) { | 37 priority_(kDefaultPriority) { |
| 37 DCHECK_NE(kCryptoStreamId, id); | 38 DCHECK_NE(kCryptoStreamId, id); |
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| 105 return !decompressed_headers_.empty() || sequencer()->HasBytesToRead(); | 106 return !decompressed_headers_.empty() || sequencer()->HasBytesToRead(); |
| 106 } | 107 } |
| 107 | 108 |
| 108 void QuicSpdyStream::MarkHeadersConsumed(size_t bytes_consumed) { | 109 void QuicSpdyStream::MarkHeadersConsumed(size_t bytes_consumed) { |
| 109 decompressed_headers_.erase(0, bytes_consumed); | 110 decompressed_headers_.erase(0, bytes_consumed); |
| 110 if (FinishedReadingHeaders()) { | 111 if (FinishedReadingHeaders()) { |
| 111 sequencer()->SetUnblocked(); | 112 sequencer()->SetUnblocked(); |
| 112 } | 113 } |
| 113 } | 114 } |
| 114 | 115 |
| 115 void QuicSpdyStream::set_priority(QuicPriority priority) { | 116 void QuicSpdyStream::set_priority(SpdyPriority priority) { |
| 116 DCHECK_EQ(0u, stream_bytes_written()); | 117 DCHECK_EQ(0u, stream_bytes_written()); |
| 117 priority_ = priority; | 118 priority_ = priority; |
| 118 } | 119 } |
| 119 | 120 |
| 120 QuicPriority QuicSpdyStream::EffectivePriority() const { | 121 SpdyPriority QuicSpdyStream::Priority() const { |
| 121 return priority(); | 122 return priority(); |
| 122 } | 123 } |
| 123 | 124 |
| 124 void QuicSpdyStream::OnStreamHeaders(StringPiece headers_data) { | 125 void QuicSpdyStream::OnStreamHeaders(StringPiece headers_data) { |
| 125 headers_data.AppendToString(&decompressed_headers_); | 126 headers_data.AppendToString(&decompressed_headers_); |
| 126 } | 127 } |
| 127 | 128 |
| 128 void QuicSpdyStream::OnStreamHeadersPriority(QuicPriority priority) { | 129 void QuicSpdyStream::OnStreamHeadersPriority(SpdyPriority priority) { |
| 129 DCHECK_EQ(Perspective::IS_SERVER, session()->connection()->perspective()); | 130 DCHECK_EQ(Perspective::IS_SERVER, session()->connection()->perspective()); |
| 130 set_priority(priority); | 131 set_priority(priority); |
| 131 } | 132 } |
| 132 | 133 |
| 133 void QuicSpdyStream::OnStreamHeadersComplete(bool fin, size_t frame_len) { | 134 void QuicSpdyStream::OnStreamHeadersComplete(bool fin, size_t frame_len) { |
| 134 headers_decompressed_ = true; | 135 headers_decompressed_ = true; |
| 135 if (fin) { | 136 if (fin) { |
| 136 OnStreamFrame(QuicStreamFrame(id(), fin, 0, StringPiece())); | 137 OnStreamFrame(QuicStreamFrame(id(), fin, 0, StringPiece())); |
| 137 } | 138 } |
| 138 if (FinishedReadingHeaders()) { | 139 if (FinishedReadingHeaders()) { |
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| 163 visitor_ = nullptr; | 164 visitor_ = nullptr; |
| 164 visitor->OnClose(this); | 165 visitor->OnClose(this); |
| 165 } | 166 } |
| 166 } | 167 } |
| 167 | 168 |
| 168 bool QuicSpdyStream::FinishedReadingHeaders() const { | 169 bool QuicSpdyStream::FinishedReadingHeaders() const { |
| 169 return headers_decompressed_ && decompressed_headers_.empty(); | 170 return headers_decompressed_ && decompressed_headers_.empty(); |
| 170 } | 171 } |
| 171 | 172 |
| 172 } // namespace net | 173 } // namespace net |
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