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Side by Side Diff: net/quic/core/quic_buffered_packet_store.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_QUIC_BUFFERED_PACKET_STORE_H_ 5 #ifndef NET_QUIC_CORE_QUIC_BUFFERED_PACKET_STORE_H_
6 #define NET_QUIC_CORE_QUIC_BUFFERED_PACKET_STORE_H_ 6 #define NET_QUIC_CORE_QUIC_BUFFERED_PACKET_STORE_H_
7 7
8 #include "net/base/linked_hash_map.h" 8 #include "net/base/linked_hash_map.h"
9 #include "net/base/net_export.h"
10 #include "net/quic/core/quic_alarm.h" 9 #include "net/quic/core/quic_alarm.h"
11 #include "net/quic/core/quic_alarm_factory.h" 10 #include "net/quic/core/quic_alarm_factory.h"
12 #include "net/quic/core/quic_packets.h" 11 #include "net/quic/core/quic_packets.h"
13 #include "net/quic/core/quic_time.h" 12 #include "net/quic/core/quic_time.h"
14 #include "net/quic/platform/api/quic_clock.h" 13 #include "net/quic/platform/api/quic_clock.h"
14 #include "net/quic/platform/api/quic_export.h"
15 #include "net/quic/platform/api/quic_socket_address.h" 15 #include "net/quic/platform/api/quic_socket_address.h"
16 16
17 namespace net { 17 namespace net {
18 18
19 namespace test { 19 namespace test {
20 class QuicBufferedPacketStorePeer; 20 class QuicBufferedPacketStorePeer;
21 } // namespace test 21 } // namespace test
22 22
23 // This class buffers packets for each connection until either 23 // This class buffers packets for each connection until either
24 // 1) They are requested to be delivered via 24 // 1) They are requested to be delivered via
25 // DeliverPacket()/DeliverPacketsForNextConnection(), or 25 // DeliverPacket()/DeliverPacketsForNextConnection(), or
26 // 2) They expire after exceeding their lifetime in the store. 26 // 2) They expire after exceeding their lifetime in the store.
27 // 27 //
28 // It can only buffer packets on certain number of connections. It has two pools 28 // It can only buffer packets on certain number of connections. It has two pools
29 // of connections: connections with CHLO buffered and those without CHLO. The 29 // of connections: connections with CHLO buffered and those without CHLO. The
30 // latter has its own upper limit along with the max number of connections this 30 // latter has its own upper limit along with the max number of connections this
31 // store can hold. The former pool can grow till this store is full. 31 // store can hold. The former pool can grow till this store is full.
32 class NET_EXPORT_PRIVATE QuicBufferedPacketStore { 32 class QUIC_EXPORT_PRIVATE QuicBufferedPacketStore {
33 public: 33 public:
34 enum EnqueuePacketResult { 34 enum EnqueuePacketResult {
35 SUCCESS = 0, 35 SUCCESS = 0,
36 TOO_MANY_PACKETS, // Too many packets stored up for a certain connection. 36 TOO_MANY_PACKETS, // Too many packets stored up for a certain connection.
37 TOO_MANY_CONNECTIONS // Too many connections stored up in the store. 37 TOO_MANY_CONNECTIONS // Too many connections stored up in the store.
38 }; 38 };
39 39
40 // A packets with client/server address. 40 // A packets with client/server address.
41 struct NET_EXPORT_PRIVATE BufferedPacket { 41 struct QUIC_EXPORT_PRIVATE BufferedPacket {
42 BufferedPacket(std::unique_ptr<QuicReceivedPacket> packet, 42 BufferedPacket(std::unique_ptr<QuicReceivedPacket> packet,
43 QuicSocketAddress server_address, 43 QuicSocketAddress server_address,
44 QuicSocketAddress client_address); 44 QuicSocketAddress client_address);
45 BufferedPacket(BufferedPacket&& other); 45 BufferedPacket(BufferedPacket&& other);
46 46
47 BufferedPacket& operator=(BufferedPacket&& other); 47 BufferedPacket& operator=(BufferedPacket&& other);
48 48
49 ~BufferedPacket(); 49 ~BufferedPacket();
50 50
51 std::unique_ptr<QuicReceivedPacket> packet; 51 std::unique_ptr<QuicReceivedPacket> packet;
52 QuicSocketAddress server_address; 52 QuicSocketAddress server_address;
53 QuicSocketAddress client_address; 53 QuicSocketAddress client_address;
54 }; 54 };
55 55
56 // A queue of BufferedPackets for a connection. 56 // A queue of BufferedPackets for a connection.
57 struct NET_EXPORT_PRIVATE BufferedPacketList { 57 struct QUIC_EXPORT_PRIVATE BufferedPacketList {
58 BufferedPacketList(); 58 BufferedPacketList();
59 BufferedPacketList(BufferedPacketList&& other); 59 BufferedPacketList(BufferedPacketList&& other);
60 60
61 BufferedPacketList& operator=(BufferedPacketList&& other); 61 BufferedPacketList& operator=(BufferedPacketList&& other);
62 62
63 ~BufferedPacketList(); 63 ~BufferedPacketList();
64 64
65 std::list<BufferedPacket> buffered_packets; 65 std::list<BufferedPacket> buffered_packets;
66 QuicTime creation_time; 66 QuicTime creation_time;
67 }; 67 };
68 68
69 typedef linked_hash_map<QuicConnectionId, BufferedPacketList> 69 typedef linked_hash_map<QuicConnectionId, BufferedPacketList>
70 BufferedPacketMap; 70 BufferedPacketMap;
71 71
72 class NET_EXPORT_PRIVATE VisitorInterface { 72 class QUIC_EXPORT_PRIVATE VisitorInterface {
73 public: 73 public:
74 virtual ~VisitorInterface() {} 74 virtual ~VisitorInterface() {}
75 75
76 // Called for each expired connection when alarm fires. 76 // Called for each expired connection when alarm fires.
77 virtual void OnExpiredPackets(QuicConnectionId connection_id, 77 virtual void OnExpiredPackets(QuicConnectionId connection_id,
78 BufferedPacketList early_arrived_packets) = 0; 78 BufferedPacketList early_arrived_packets) = 0;
79 }; 79 };
80 80
81 QuicBufferedPacketStore(VisitorInterface* vistor, 81 QuicBufferedPacketStore(VisitorInterface* vistor,
82 const QuicClock* clock, 82 const QuicClock* clock,
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after
152 std::unique_ptr<QuicAlarm> expiration_alarm_; 152 std::unique_ptr<QuicAlarm> expiration_alarm_;
153 153
154 // Keeps track of connection with CHLO buffered up already and the order they 154 // Keeps track of connection with CHLO buffered up already and the order they
155 // arrive. 155 // arrive.
156 linked_hash_map<QuicConnectionId, bool> connections_with_chlo_; 156 linked_hash_map<QuicConnectionId, bool> connections_with_chlo_;
157 }; 157 };
158 158
159 } // namespace net 159 } // namespace net
160 160
161 #endif // NET_QUIC_CORE_QUIC_BUFFERED_PACKET_STORE_H_ 161 #endif // NET_QUIC_CORE_QUIC_BUFFERED_PACKET_STORE_H_
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