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Side by Side Diff: net/quic/core/frames/quic_ack_frame.h

Issue 2561893002: Add QUIC_EXPORT macros (Closed)
Patch Set: More Created 4 years ago
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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2016 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 #ifndef NET_QUIC_CORE_FRAMES_QUIC_ACK_FRAME_H_ 5 #ifndef NET_QUIC_CORE_FRAMES_QUIC_ACK_FRAME_H_
6 #define NET_QUIC_CORE_FRAMES_QUIC_ACK_FRAME_H_ 6 #define NET_QUIC_CORE_FRAMES_QUIC_ACK_FRAME_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/strings/string_piece.h" 10 #include "base/strings/string_piece.h"
11 #include "net/base/net_export.h"
12 #include "net/quic/core/interval_set.h" 11 #include "net/quic/core/interval_set.h"
13 #include "net/quic/core/quic_types.h" 12 #include "net/quic/core/quic_types.h"
13 #include "net/quic/platform/api/quic_export.h"
14 14
15 namespace net { 15 namespace net {
16 16
17 // A sequence of packet numbers where each number is unique. Intended to be used 17 // A sequence of packet numbers where each number is unique. Intended to be used
18 // in a sliding window fashion, where smaller old packet numbers are removed and 18 // in a sliding window fashion, where smaller old packet numbers are removed and
19 // larger new packet numbers are added, with the occasional random access. 19 // larger new packet numbers are added, with the occasional random access.
20 class NET_EXPORT_PRIVATE PacketNumberQueue { 20 class QUIC_EXPORT_PRIVATE PacketNumberQueue {
21 public: 21 public:
22 using const_iterator = IntervalSet<QuicPacketNumber>::const_iterator; 22 using const_iterator = IntervalSet<QuicPacketNumber>::const_iterator;
23 using const_reverse_iterator = 23 using const_reverse_iterator =
24 IntervalSet<QuicPacketNumber>::const_reverse_iterator; 24 IntervalSet<QuicPacketNumber>::const_reverse_iterator;
25 25
26 PacketNumberQueue(); 26 PacketNumberQueue();
27 PacketNumberQueue(const PacketNumberQueue& other); 27 PacketNumberQueue(const PacketNumberQueue& other);
28 PacketNumberQueue(PacketNumberQueue&& other); 28 PacketNumberQueue(PacketNumberQueue&& other);
29 ~PacketNumberQueue(); 29 ~PacketNumberQueue();
30 30
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79 // Returns the length of last interval. 79 // Returns the length of last interval.
80 QuicPacketNumber LastIntervalLength() const; 80 QuicPacketNumber LastIntervalLength() const;
81 81
82 // Returns iterators over the packet number intervals. 82 // Returns iterators over the packet number intervals.
83 const_iterator begin() const; 83 const_iterator begin() const;
84 const_iterator end() const; 84 const_iterator end() const;
85 const_reverse_iterator rbegin() const; 85 const_reverse_iterator rbegin() const;
86 const_reverse_iterator rend() const; 86 const_reverse_iterator rend() const;
87 const_iterator lower_bound(QuicPacketNumber packet_number) const; 87 const_iterator lower_bound(QuicPacketNumber packet_number) const;
88 88
89 friend NET_EXPORT_PRIVATE std::ostream& operator<<( 89 friend QUIC_EXPORT_PRIVATE std::ostream& operator<<(
90 std::ostream& os, 90 std::ostream& os,
91 const PacketNumberQueue& q); 91 const PacketNumberQueue& q);
92 92
93 private: 93 private:
94 IntervalSet<QuicPacketNumber> packet_number_intervals_; 94 IntervalSet<QuicPacketNumber> packet_number_intervals_;
95 }; 95 };
96 96
97 struct NET_EXPORT_PRIVATE QuicAckFrame { 97 struct QUIC_EXPORT_PRIVATE QuicAckFrame {
98 QuicAckFrame(); 98 QuicAckFrame();
99 QuicAckFrame(const QuicAckFrame& other); 99 QuicAckFrame(const QuicAckFrame& other);
100 ~QuicAckFrame(); 100 ~QuicAckFrame();
101 101
102 friend NET_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os, 102 friend QUIC_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
103 const QuicAckFrame& s); 103 const QuicAckFrame& s);
104 104
105 // The highest packet number we've observed from the peer. 105 // The highest packet number we've observed from the peer.
106 QuicPacketNumber largest_observed; 106 QuicPacketNumber largest_observed;
107 107
108 // Time elapsed since largest_observed was received until this Ack frame was 108 // Time elapsed since largest_observed was received until this Ack frame was
109 // sent. 109 // sent.
110 QuicTime::Delta ack_delay_time; 110 QuicTime::Delta ack_delay_time;
111 111
112 // Vector of <packet_number, time> for when packets arrived. 112 // Vector of <packet_number, time> for when packets arrived.
113 PacketTimeVector received_packet_times; 113 PacketTimeVector received_packet_times;
114 114
115 // Set of packets. 115 // Set of packets.
116 PacketNumberQueue packets; 116 PacketNumberQueue packets;
117 117
118 // Path which this ack belongs to. 118 // Path which this ack belongs to.
119 QuicPathId path_id; 119 QuicPathId path_id;
120 }; 120 };
121 121
122 // True if the packet number is greater than largest_observed or is listed 122 // True if the packet number is greater than largest_observed or is listed
123 // as missing. 123 // as missing.
124 // Always returns false for packet numbers less than least_unacked. 124 // Always returns false for packet numbers less than least_unacked.
125 NET_EXPORT_PRIVATE bool IsAwaitingPacket( 125 QUIC_EXPORT_PRIVATE bool IsAwaitingPacket(
126 const QuicAckFrame& ack_frame, 126 const QuicAckFrame& ack_frame,
127 QuicPacketNumber packet_number, 127 QuicPacketNumber packet_number,
128 QuicPacketNumber peer_least_packet_awaiting_ack); 128 QuicPacketNumber peer_least_packet_awaiting_ack);
129 129
130 } // namespace net 130 } // namespace net
131 131
132 #endif // NET_QUIC_CORE_FRAMES_QUIC_ACK_FRAME_H_ 132 #endif // NET_QUIC_CORE_FRAMES_QUIC_ACK_FRAME_H_
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