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

Issue 2561893002: Add QUIC_EXPORT macros (Closed)
Patch Set: More 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 #ifndef NET_QUIC_CORE_QUIC_PACKETS_H_ 5 #ifndef NET_QUIC_CORE_QUIC_PACKETS_H_
6 #define NET_QUIC_CORE_QUIC_PACKETS_H_ 6 #define NET_QUIC_CORE_QUIC_PACKETS_H_
7 7
8 #include <limits> 8 #include <limits>
9 #include <list> 9 #include <list>
10 #include <memory> 10 #include <memory>
11 #include <ostream> 11 #include <ostream>
12 #include <string> 12 #include <string>
13 #include <utility> 13 #include <utility>
14 #include <vector> 14 #include <vector>
15 15
16 #include "base/logging.h" 16 #include "base/logging.h"
17 #include "base/macros.h" 17 #include "base/macros.h"
18 #include "base/memory/ref_counted.h" 18 #include "base/memory/ref_counted.h"
19 #include "base/strings/string_piece.h" 19 #include "base/strings/string_piece.h"
20 #include "net/base/int128.h" 20 #include "net/base/int128.h"
21 #include "net/base/iovec.h" 21 #include "net/base/iovec.h"
22 #include "net/base/net_export.h"
23 #include "net/quic/core/frames/quic_frame.h" 22 #include "net/quic/core/frames/quic_frame.h"
24 #include "net/quic/core/quic_ack_listener_interface.h" 23 #include "net/quic/core/quic_ack_listener_interface.h"
25 #include "net/quic/core/quic_bandwidth.h" 24 #include "net/quic/core/quic_bandwidth.h"
26 #include "net/quic/core/quic_constants.h" 25 #include "net/quic/core/quic_constants.h"
27 #include "net/quic/core/quic_error_codes.h" 26 #include "net/quic/core/quic_error_codes.h"
28 #include "net/quic/core/quic_time.h" 27 #include "net/quic/core/quic_time.h"
29 #include "net/quic/core/quic_types.h" 28 #include "net/quic/core/quic_types.h"
30 #include "net/quic/core/quic_versions.h" 29 #include "net/quic/core/quic_versions.h"
30 #include "net/quic/platform/api/quic_export.h"
31 #include "net/quic/platform/api/quic_socket_address.h" 31 #include "net/quic/platform/api/quic_socket_address.h"
32 32
33 namespace net { 33 namespace net {
34 34
35 class QuicPacket; 35 class QuicPacket;
36 struct QuicPacketHeader; 36 struct QuicPacketHeader;
37 37
38 // Size in bytes of the data packet header. 38 // Size in bytes of the data packet header.
39 NET_EXPORT_PRIVATE size_t GetPacketHeaderSize(QuicVersion version, 39 QUIC_EXPORT_PRIVATE size_t GetPacketHeaderSize(QuicVersion version,
40 const QuicPacketHeader& header); 40 const QuicPacketHeader& header);
41 41
42 NET_EXPORT_PRIVATE size_t 42 QUIC_EXPORT_PRIVATE size_t
43 GetPacketHeaderSize(QuicVersion version, 43 GetPacketHeaderSize(QuicVersion version,
44 QuicConnectionIdLength connection_id_length, 44 QuicConnectionIdLength connection_id_length,
45 bool include_version, 45 bool include_version,
46 bool include_path_id, 46 bool include_path_id,
47 bool include_diversification_nonce, 47 bool include_diversification_nonce,
48 QuicPacketNumberLength packet_number_length); 48 QuicPacketNumberLength packet_number_length);
49 49
50 // Index of the first byte in a QUIC packet of encrypted data. 50 // Index of the first byte in a QUIC packet of encrypted data.
51 NET_EXPORT_PRIVATE size_t 51 QUIC_EXPORT_PRIVATE size_t
52 GetStartOfEncryptedData(QuicVersion version, const QuicPacketHeader& header); 52 GetStartOfEncryptedData(QuicVersion version, const QuicPacketHeader& header);
53 53
54 NET_EXPORT_PRIVATE size_t 54 QUIC_EXPORT_PRIVATE size_t
55 GetStartOfEncryptedData(QuicVersion version, 55 GetStartOfEncryptedData(QuicVersion version,
56 QuicConnectionIdLength connection_id_length, 56 QuicConnectionIdLength connection_id_length,
57 bool include_version, 57 bool include_version,
58 bool include_path_id, 58 bool include_path_id,
59 bool include_diversification_nonce, 59 bool include_diversification_nonce,
60 QuicPacketNumberLength packet_number_length); 60 QuicPacketNumberLength packet_number_length);
61 61
62 struct NET_EXPORT_PRIVATE QuicPacketPublicHeader { 62 struct QUIC_EXPORT_PRIVATE QuicPacketPublicHeader {
63 QuicPacketPublicHeader(); 63 QuicPacketPublicHeader();
64 explicit QuicPacketPublicHeader(const QuicPacketPublicHeader& other); 64 explicit QuicPacketPublicHeader(const QuicPacketPublicHeader& other);
65 ~QuicPacketPublicHeader(); 65 ~QuicPacketPublicHeader();
66 66
67 // Universal header. All QuicPacket headers will have a connection_id and 67 // Universal header. All QuicPacket headers will have a connection_id and
68 // public flags. 68 // public flags.
69 QuicConnectionId connection_id; 69 QuicConnectionId connection_id;
70 QuicConnectionIdLength connection_id_length; 70 QuicConnectionIdLength connection_id_length;
71 bool multipath_flag; 71 bool multipath_flag;
72 bool reset_flag; 72 bool reset_flag;
73 bool version_flag; 73 bool version_flag;
74 QuicPacketNumberLength packet_number_length; 74 QuicPacketNumberLength packet_number_length;
75 QuicVersionVector versions; 75 QuicVersionVector versions;
76 // nonce contains an optional, 32-byte nonce value. If not included in the 76 // nonce contains an optional, 32-byte nonce value. If not included in the
77 // packet, |nonce| will be empty. 77 // packet, |nonce| will be empty.
78 DiversificationNonce* nonce; 78 DiversificationNonce* nonce;
79 }; 79 };
80 80
81 // Header for Data packets. 81 // Header for Data packets.
82 struct NET_EXPORT_PRIVATE QuicPacketHeader { 82 struct QUIC_EXPORT_PRIVATE QuicPacketHeader {
83 QuicPacketHeader(); 83 QuicPacketHeader();
84 explicit QuicPacketHeader(const QuicPacketPublicHeader& header); 84 explicit QuicPacketHeader(const QuicPacketPublicHeader& header);
85 QuicPacketHeader(const QuicPacketHeader& other); 85 QuicPacketHeader(const QuicPacketHeader& other);
86 86
87 NET_EXPORT_PRIVATE friend std::ostream& operator<<(std::ostream& os, 87 QUIC_EXPORT_PRIVATE friend std::ostream& operator<<(
88 const QuicPacketHeader& s); 88 std::ostream& os,
89 const QuicPacketHeader& s);
89 90
90 QuicPacketPublicHeader public_header; 91 QuicPacketPublicHeader public_header;
91 QuicPacketNumber packet_number; 92 QuicPacketNumber packet_number;
92 QuicPathId path_id; 93 QuicPathId path_id;
93 }; 94 };
94 95
95 struct NET_EXPORT_PRIVATE QuicPublicResetPacket { 96 struct QUIC_EXPORT_PRIVATE QuicPublicResetPacket {
96 QuicPublicResetPacket(); 97 QuicPublicResetPacket();
97 explicit QuicPublicResetPacket(const QuicPacketPublicHeader& header); 98 explicit QuicPublicResetPacket(const QuicPacketPublicHeader& header);
98 99
99 QuicPacketPublicHeader public_header; 100 QuicPacketPublicHeader public_header;
100 QuicPublicResetNonceProof nonce_proof; 101 QuicPublicResetNonceProof nonce_proof;
101 // TODO(fayang): remove rejected_packet_number when deprecating 102 // TODO(fayang): remove rejected_packet_number when deprecating
102 // FLAGS_quic_remove_packet_number_from_public_reset. 103 // FLAGS_quic_remove_packet_number_from_public_reset.
103 QuicPacketNumber rejected_packet_number; 104 QuicPacketNumber rejected_packet_number;
104 QuicSocketAddress client_address; 105 QuicSocketAddress client_address;
105 }; 106 };
106 107
107 typedef QuicPacketPublicHeader QuicVersionNegotiationPacket; 108 typedef QuicPacketPublicHeader QuicVersionNegotiationPacket;
108 109
109 class NET_EXPORT_PRIVATE QuicData { 110 class QUIC_EXPORT_PRIVATE QuicData {
110 public: 111 public:
111 QuicData(const char* buffer, size_t length); 112 QuicData(const char* buffer, size_t length);
112 QuicData(const char* buffer, size_t length, bool owns_buffer); 113 QuicData(const char* buffer, size_t length, bool owns_buffer);
113 virtual ~QuicData(); 114 virtual ~QuicData();
114 115
115 base::StringPiece AsStringPiece() const { 116 base::StringPiece AsStringPiece() const {
116 return base::StringPiece(data(), length()); 117 return base::StringPiece(data(), length());
117 } 118 }
118 119
119 const char* data() const { return buffer_; } 120 const char* data() const { return buffer_; }
120 size_t length() const { return length_; } 121 size_t length() const { return length_; }
121 122
122 private: 123 private:
123 const char* buffer_; 124 const char* buffer_;
124 size_t length_; 125 size_t length_;
125 bool owns_buffer_; 126 bool owns_buffer_;
126 127
127 DISALLOW_COPY_AND_ASSIGN(QuicData); 128 DISALLOW_COPY_AND_ASSIGN(QuicData);
128 }; 129 };
129 130
130 class NET_EXPORT_PRIVATE QuicPacket : public QuicData { 131 class QUIC_EXPORT_PRIVATE QuicPacket : public QuicData {
131 public: 132 public:
132 // TODO(fayang): 4 fields from public header are passed in as arguments. 133 // TODO(fayang): 4 fields from public header are passed in as arguments.
133 // Consider to add a convenience method which directly accepts the entire 134 // Consider to add a convenience method which directly accepts the entire
134 // public header. 135 // public header.
135 QuicPacket(char* buffer, 136 QuicPacket(char* buffer,
136 size_t length, 137 size_t length,
137 bool owns_buffer, 138 bool owns_buffer,
138 QuicConnectionIdLength connection_id_length, 139 QuicConnectionIdLength connection_id_length,
139 bool includes_version, 140 bool includes_version,
140 bool includes_path_id, 141 bool includes_path_id,
141 bool includes_diversification_nonce, 142 bool includes_diversification_nonce,
142 QuicPacketNumberLength packet_number_length); 143 QuicPacketNumberLength packet_number_length);
143 144
144 base::StringPiece AssociatedData(QuicVersion version) const; 145 base::StringPiece AssociatedData(QuicVersion version) const;
145 base::StringPiece Plaintext(QuicVersion version) const; 146 base::StringPiece Plaintext(QuicVersion version) const;
146 147
147 char* mutable_data() { return buffer_; } 148 char* mutable_data() { return buffer_; }
148 149
149 private: 150 private:
150 char* buffer_; 151 char* buffer_;
151 const QuicConnectionIdLength connection_id_length_; 152 const QuicConnectionIdLength connection_id_length_;
152 const bool includes_version_; 153 const bool includes_version_;
153 const bool includes_path_id_; 154 const bool includes_path_id_;
154 const bool includes_diversification_nonce_; 155 const bool includes_diversification_nonce_;
155 const QuicPacketNumberLength packet_number_length_; 156 const QuicPacketNumberLength packet_number_length_;
156 157
157 DISALLOW_COPY_AND_ASSIGN(QuicPacket); 158 DISALLOW_COPY_AND_ASSIGN(QuicPacket);
158 }; 159 };
159 160
160 class NET_EXPORT_PRIVATE QuicEncryptedPacket : public QuicData { 161 class QUIC_EXPORT_PRIVATE QuicEncryptedPacket : public QuicData {
161 public: 162 public:
162 QuicEncryptedPacket(const char* buffer, size_t length); 163 QuicEncryptedPacket(const char* buffer, size_t length);
163 QuicEncryptedPacket(const char* buffer, size_t length, bool owns_buffer); 164 QuicEncryptedPacket(const char* buffer, size_t length, bool owns_buffer);
164 165
165 // Clones the packet into a new packet which owns the buffer. 166 // Clones the packet into a new packet which owns the buffer.
166 std::unique_ptr<QuicEncryptedPacket> Clone() const; 167 std::unique_ptr<QuicEncryptedPacket> Clone() const;
167 168
168 // By default, gtest prints the raw bytes of an object. The bool data 169 // By default, gtest prints the raw bytes of an object. The bool data
169 // member (in the base class QuicData) causes this object to have padding 170 // member (in the base class QuicData) causes this object to have padding
170 // bytes, which causes the default gtest object printer to read 171 // bytes, which causes the default gtest object printer to read
171 // uninitialize memory. So we need to teach gtest how to print this object. 172 // uninitialize memory. So we need to teach gtest how to print this object.
172 NET_EXPORT_PRIVATE friend std::ostream& operator<<( 173 QUIC_EXPORT_PRIVATE friend std::ostream& operator<<(
173 std::ostream& os, 174 std::ostream& os,
174 const QuicEncryptedPacket& s); 175 const QuicEncryptedPacket& s);
175 176
176 private: 177 private:
177 DISALLOW_COPY_AND_ASSIGN(QuicEncryptedPacket); 178 DISALLOW_COPY_AND_ASSIGN(QuicEncryptedPacket);
178 }; 179 };
179 180
180 // A received encrypted QUIC packet, with a recorded time of receipt. 181 // A received encrypted QUIC packet, with a recorded time of receipt.
181 class NET_EXPORT_PRIVATE QuicReceivedPacket : public QuicEncryptedPacket { 182 class QUIC_EXPORT_PRIVATE QuicReceivedPacket : public QuicEncryptedPacket {
182 public: 183 public:
183 QuicReceivedPacket(const char* buffer, size_t length, QuicTime receipt_time); 184 QuicReceivedPacket(const char* buffer, size_t length, QuicTime receipt_time);
184 QuicReceivedPacket(const char* buffer, 185 QuicReceivedPacket(const char* buffer,
185 size_t length, 186 size_t length,
186 QuicTime receipt_time, 187 QuicTime receipt_time,
187 bool owns_buffer); 188 bool owns_buffer);
188 QuicReceivedPacket(const char* buffer, 189 QuicReceivedPacket(const char* buffer,
189 size_t length, 190 size_t length,
190 QuicTime receipt_time, 191 QuicTime receipt_time,
191 bool owns_buffer, 192 bool owns_buffer,
192 int ttl, 193 int ttl,
193 bool ttl_valid); 194 bool ttl_valid);
194 195
195 // Clones the packet into a new packet which owns the buffer. 196 // Clones the packet into a new packet which owns the buffer.
196 std::unique_ptr<QuicReceivedPacket> Clone() const; 197 std::unique_ptr<QuicReceivedPacket> Clone() const;
197 198
198 // Returns the time at which the packet was received. 199 // Returns the time at which the packet was received.
199 QuicTime receipt_time() const { return receipt_time_; } 200 QuicTime receipt_time() const { return receipt_time_; }
200 201
201 // This is the TTL of the packet, assuming ttl_vaild_ is true. 202 // This is the TTL of the packet, assuming ttl_vaild_ is true.
202 int ttl() const { return ttl_; } 203 int ttl() const { return ttl_; }
203 204
204 // By default, gtest prints the raw bytes of an object. The bool data 205 // By default, gtest prints the raw bytes of an object. The bool data
205 // member (in the base class QuicData) causes this object to have padding 206 // member (in the base class QuicData) causes this object to have padding
206 // bytes, which causes the default gtest object printer to read 207 // bytes, which causes the default gtest object printer to read
207 // uninitialize memory. So we need to teach gtest how to print this object. 208 // uninitialize memory. So we need to teach gtest how to print this object.
208 NET_EXPORT_PRIVATE friend std::ostream& operator<<( 209 QUIC_EXPORT_PRIVATE friend std::ostream& operator<<(
209 std::ostream& os, 210 std::ostream& os,
210 const QuicReceivedPacket& s); 211 const QuicReceivedPacket& s);
211 212
212 private: 213 private:
213 const QuicTime receipt_time_; 214 const QuicTime receipt_time_;
214 int ttl_; 215 int ttl_;
215 216
216 DISALLOW_COPY_AND_ASSIGN(QuicReceivedPacket); 217 DISALLOW_COPY_AND_ASSIGN(QuicReceivedPacket);
217 }; 218 };
218 219
219 struct NET_EXPORT_PRIVATE SerializedPacket { 220 struct QUIC_EXPORT_PRIVATE SerializedPacket {
220 SerializedPacket(QuicPathId path_id, 221 SerializedPacket(QuicPathId path_id,
221 QuicPacketNumber packet_number, 222 QuicPacketNumber packet_number,
222 QuicPacketNumberLength packet_number_length, 223 QuicPacketNumberLength packet_number_length,
223 const char* encrypted_buffer, 224 const char* encrypted_buffer,
224 QuicPacketLength encrypted_length, 225 QuicPacketLength encrypted_length,
225 bool has_ack, 226 bool has_ack,
226 bool has_stop_waiting); 227 bool has_stop_waiting);
227 SerializedPacket(const SerializedPacket& other); 228 SerializedPacket(const SerializedPacket& other);
228 ~SerializedPacket(); 229 ~SerializedPacket();
229 230
(...skipping 14 matching lines...) Expand all
244 bool has_stop_waiting; 245 bool has_stop_waiting;
245 TransmissionType transmission_type; 246 TransmissionType transmission_type;
246 QuicPathId original_path_id; 247 QuicPathId original_path_id;
247 QuicPacketNumber original_packet_number; 248 QuicPacketNumber original_packet_number;
248 249
249 // Optional notifiers which will be informed when this packet has been ACKed. 250 // Optional notifiers which will be informed when this packet has been ACKed.
250 std::list<AckListenerWrapper> listeners; 251 std::list<AckListenerWrapper> listeners;
251 }; 252 };
252 253
253 // Deletes and clears all the frames and the packet from serialized packet. 254 // Deletes and clears all the frames and the packet from serialized packet.
254 NET_EXPORT_PRIVATE void ClearSerializedPacket( 255 QUIC_EXPORT_PRIVATE void ClearSerializedPacket(
255 SerializedPacket* serialized_packet); 256 SerializedPacket* serialized_packet);
256 257
257 // Allocates a new char[] of size |packet.encrypted_length| and copies in 258 // Allocates a new char[] of size |packet.encrypted_length| and copies in
258 // |packet.encrypted_buffer|. 259 // |packet.encrypted_buffer|.
259 NET_EXPORT_PRIVATE char* CopyBuffer(const SerializedPacket& packet); 260 QUIC_EXPORT_PRIVATE char* CopyBuffer(const SerializedPacket& packet);
260 261
261 } // namespace net 262 } // namespace net
262 263
263 #endif // NET_QUIC_CORE_QUIC_PACKETS_H_ 264 #endif // NET_QUIC_CORE_QUIC_PACKETS_H_
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