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Side by Side Diff: net/quic/core/quic_packet_creator.h

Issue 2547583002: Landing Recent QUIC changes until Fri Nov 18 23:21:04 2016 +0000 (Closed)
Patch Set: Remove explicit HTTP/2 enum usage Created 4 years ago
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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 // Accumulates frames for the next packet until more frames no longer fit or 5 // Accumulates frames for the next packet until more frames no longer fit or
6 // it's time to create a packet from them. If multipath enabled, only creates 6 // it's time to create a packet from them. If multipath enabled, only creates
7 // packets on one path at the same time. Currently, next packet number is 7 // packets on one path at the same time. Currently, next packet number is
8 // tracked per-path. 8 // tracked per-path.
9 9
10 #ifndef NET_QUIC_QUIC_PACKET_CREATOR_H_ 10 #ifndef NET_QUIC_QUIC_PACKET_CREATOR_H_
11 #define NET_QUIC_QUIC_PACKET_CREATOR_H_ 11 #define NET_QUIC_QUIC_PACKET_CREATOR_H_
12 12
13 #include <stddef.h> 13 #include <stddef.h>
14 14
15 #include <memory> 15 #include <memory>
16 #include <string> 16 #include <string>
17 #include <unordered_map> 17 #include <unordered_map>
18 #include <utility> 18 #include <utility>
19 #include <vector> 19 #include <vector>
20 20
21 #include "base/macros.h" 21 #include "base/macros.h"
22 #include "base/strings/string_piece.h" 22 #include "base/strings/string_piece.h"
23 #include "net/base/net_export.h" 23 #include "net/base/net_export.h"
24 #include "net/quic/core/quic_connection_close_delegate_interface.h" 24 #include "net/quic/core/quic_connection_close_delegate_interface.h"
25 #include "net/quic/core/quic_framer.h" 25 #include "net/quic/core/quic_framer.h"
26 #include "net/quic/core/quic_iovector.h" 26 #include "net/quic/core/quic_iovector.h"
27 #include "net/quic/core/quic_protocol.h" 27 #include "net/quic/core/quic_packets.h"
28 #include "net/quic/core/quic_pending_retransmission.h"
28 29
29 namespace net { 30 namespace net {
30 namespace test { 31 namespace test {
31 class QuicPacketCreatorPeer; 32 class QuicPacketCreatorPeer;
32 } 33 }
33 34
34 class NET_EXPORT_PRIVATE QuicPacketCreator { 35 class NET_EXPORT_PRIVATE QuicPacketCreator {
35 public: 36 public:
36 // A delegate interface for further processing serialized packet. 37 // A delegate interface for further processing serialized packet.
37 class NET_EXPORT_PRIVATE DelegateInterface 38 class NET_EXPORT_PRIVATE DelegateInterface
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99 bool fin, 100 bool fin,
100 bool needs_full_padding, 101 bool needs_full_padding,
101 QuicFrame* frame); 102 QuicFrame* frame);
102 103
103 // Returns true if current open packet can accommodate more stream frames of 104 // Returns true if current open packet can accommodate more stream frames of
104 // stream |id| at |offset|, false otherwise. 105 // stream |id| at |offset|, false otherwise.
105 bool HasRoomForStreamFrame(QuicStreamId id, QuicStreamOffset offset); 106 bool HasRoomForStreamFrame(QuicStreamId id, QuicStreamOffset offset);
106 107
107 // Re-serializes frames with the original packet's packet number length. 108 // Re-serializes frames with the original packet's packet number length.
108 // Used for retransmitting packets to ensure they aren't too long. 109 // Used for retransmitting packets to ensure they aren't too long.
109 void ReserializeAllFrames(const PendingRetransmission& retransmission, 110 void ReserializeAllFrames(const QuicPendingRetransmission& retransmission,
110 char* buffer, 111 char* buffer,
111 size_t buffer_len); 112 size_t buffer_len);
112 113
113 // Serializes all added frames into a single packet and invokes the delegate_ 114 // Serializes all added frames into a single packet and invokes the delegate_
114 // to further process the SerializedPacket. 115 // to further process the SerializedPacket.
115 void Flush(); 116 void Flush();
116 117
117 // Optimized method to create a QuicStreamFrame and serialize it. Adds the 118 // Optimized method to create a QuicStreamFrame and serialize it. Adds the
118 // QuicStreamFrame to the returned SerializedPacket. Sets 119 // QuicStreamFrame to the returned SerializedPacket. Sets
119 // |num_bytes_consumed| to the number of bytes consumed to create the 120 // |num_bytes_consumed| to the number of bytes consumed to create the
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310 311
311 // Map mapping path_id to last sent packet number on the path. 312 // Map mapping path_id to last sent packet number on the path.
312 std::unordered_map<QuicPathId, QuicPacketNumber> multipath_packet_number_; 313 std::unordered_map<QuicPathId, QuicPacketNumber> multipath_packet_number_;
313 314
314 DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator); 315 DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator);
315 }; 316 };
316 317
317 } // namespace net 318 } // namespace net
318 319
319 #endif // NET_QUIC_QUIC_PACKET_CREATOR_H_ 320 #endif // NET_QUIC_QUIC_PACKET_CREATOR_H_
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