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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 // The base class for streams which deliver data to/from an application. | 5 // The base class for streams which deliver data to/from an application. |
| 6 // In each direction, the data on such a stream first contains compressed | 6 // In each direction, the data on such a stream first contains compressed |
| 7 // headers then body data. | 7 // headers then body data. |
| 8 | 8 |
| 9 #ifndef NET_QUIC_QUIC_DATA_STREAM_H_ | 9 #ifndef NET_QUIC_QUIC_SPDY_STREAM_H_ |
| 10 #define NET_QUIC_QUIC_DATA_STREAM_H_ | 10 #define NET_QUIC_QUIC_SPDY_STREAM_H_ |
| 11 | 11 |
| 12 #include <sys/types.h> | 12 #include <sys/types.h> |
| 13 | 13 |
| 14 #include <list> | 14 #include <list> |
| 15 #include <string> | 15 #include <string> |
| 16 | 16 |
| 17 #include "base/basictypes.h" | 17 #include "base/basictypes.h" |
| 18 #include "base/strings/string_piece.h" | 18 #include "base/strings/string_piece.h" |
| 19 #include "net/base/iovec.h" | 19 #include "net/base/iovec.h" |
| 20 #include "net/base/ip_endpoint.h" | 20 #include "net/base/ip_endpoint.h" |
| 21 #include "net/base/net_export.h" | 21 #include "net/base/net_export.h" |
| 22 #include "net/quic/quic_ack_notifier.h" | 22 #include "net/quic/quic_ack_notifier.h" |
| 23 #include "net/quic/quic_protocol.h" | 23 #include "net/quic/quic_protocol.h" |
| 24 #include "net/quic/quic_stream_sequencer.h" | 24 #include "net/quic/quic_stream_sequencer.h" |
| 25 #include "net/quic/reliable_quic_stream.h" | 25 #include "net/quic/reliable_quic_stream.h" |
| 26 #include "net/spdy/spdy_framer.h" | 26 #include "net/spdy/spdy_framer.h" |
| 27 | 27 |
| 28 namespace net { | 28 namespace net { |
| 29 | 29 |
| 30 namespace test { | 30 namespace test { |
| 31 class QuicDataStreamPeer; | 31 class QuicSpdyStreamPeer; |
| 32 class ReliableQuicStreamPeer; | 32 class ReliableQuicStreamPeer; |
| 33 } // namespace test | 33 } // namespace test |
| 34 | 34 |
| 35 class QuicSpdySession; | 35 class QuicSpdySession; |
| 36 | 36 |
| 37 // A QUIC data stream that can also send and receive headers. | 37 // A QUIC stream that can send and receive HTTP2 (SPDY) headers. |
| 38 class NET_EXPORT_PRIVATE QuicDataStream : public ReliableQuicStream { | 38 class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream { |
| 39 public: | 39 public: |
| 40 // Visitor receives callbacks from the stream. | 40 // Visitor receives callbacks from the stream. |
| 41 class NET_EXPORT_PRIVATE Visitor { | 41 class NET_EXPORT_PRIVATE Visitor { |
| 42 public: | 42 public: |
| 43 Visitor() {} | 43 Visitor() {} |
| 44 | 44 |
| 45 // Called when the stream is closed. | 45 // Called when the stream is closed. |
| 46 virtual void OnClose(QuicDataStream* stream) = 0; | 46 virtual void OnClose(QuicSpdyStream* stream) = 0; |
| 47 | 47 |
| 48 protected: | 48 protected: |
| 49 virtual ~Visitor() {} | 49 virtual ~Visitor() {} |
| 50 | 50 |
| 51 private: | 51 private: |
| 52 DISALLOW_COPY_AND_ASSIGN(Visitor); | 52 DISALLOW_COPY_AND_ASSIGN(Visitor); |
| 53 }; | 53 }; |
| 54 | 54 |
| 55 QuicDataStream(QuicStreamId id, QuicSpdySession* spdy_session); | 55 QuicSpdyStream(QuicStreamId id, QuicSpdySession* spdy_session); |
| 56 ~QuicDataStream() override; | 56 ~QuicSpdyStream() override; |
| 57 | 57 |
| 58 // ReliableQuicStream implementation | 58 // ReliableQuicStream implementation |
| 59 void OnClose() override; | 59 void OnClose() override; |
| 60 | 60 |
| 61 // By default, this is the same as priority(), however it allows streams | 61 // By default, this is the same as priority(), however it allows streams |
| 62 // to temporarily alter effective priority. For example if a SPDY stream has | 62 // to temporarily alter effective priority. For example if a SPDY stream has |
| 63 // compressed but not written headers it can write the headers with a higher | 63 // compressed but not written headers it can write the headers with a higher |
| 64 // priority. | 64 // priority. |
| 65 QuicPriority EffectivePriority() const override; | 65 QuicPriority EffectivePriority() const override; |
| 66 | 66 |
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| 111 // Sets priority_ to priority. This should only be called before bytes are | 111 // Sets priority_ to priority. This should only be called before bytes are |
| 112 // written to the server. | 112 // written to the server. |
| 113 void set_priority(QuicPriority priority); | 113 void set_priority(QuicPriority priority); |
| 114 // This is protected because external classes should use EffectivePriority | 114 // This is protected because external classes should use EffectivePriority |
| 115 // instead. | 115 // instead. |
| 116 QuicPriority priority() const { return priority_; } | 116 QuicPriority priority() const { return priority_; } |
| 117 | 117 |
| 118 bool FinishedReadingHeaders() const; | 118 bool FinishedReadingHeaders() const; |
| 119 | 119 |
| 120 private: | 120 private: |
| 121 friend class test::QuicDataStreamPeer; | 121 friend class test::QuicSpdyStreamPeer; |
| 122 friend class test::ReliableQuicStreamPeer; | 122 friend class test::ReliableQuicStreamPeer; |
| 123 friend class QuicStreamUtils; | 123 friend class QuicStreamUtils; |
| 124 | 124 |
| 125 QuicSpdySession* spdy_session_; | 125 QuicSpdySession* spdy_session_; |
| 126 | 126 |
| 127 Visitor* visitor_; | 127 Visitor* visitor_; |
| 128 // True if the headers have been completely decompressed. | 128 // True if the headers have been completely decompressed. |
| 129 bool headers_decompressed_; | 129 bool headers_decompressed_; |
| 130 // The priority of the stream, once parsed. | 130 // The priority of the stream, once parsed. |
| 131 QuicPriority priority_; | 131 QuicPriority priority_; |
| 132 // Contains a copy of the decompressed headers until they are consumed | 132 // Contains a copy of the decompressed headers until they are consumed |
| 133 // via ProcessData or Readv. | 133 // via ProcessData or Readv. |
| 134 std::string decompressed_headers_; | 134 std::string decompressed_headers_; |
| 135 | 135 |
| 136 DISALLOW_COPY_AND_ASSIGN(QuicDataStream); | 136 DISALLOW_COPY_AND_ASSIGN(QuicSpdyStream); |
| 137 }; | 137 }; |
| 138 | 138 |
| 139 } // namespace net | 139 } // namespace net |
| 140 | 140 |
| 141 #endif // NET_QUIC_QUIC_DATA_STREAM_H_ | 141 #endif // NET_QUIC_QUIC_SPDY_STREAM_H_ |
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