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Side by Side Diff: net/quic/quic_protocol.h

Issue 848443004: Adds QUIC_VERSION_24 which uses SPDY/4 header compression instead of SPDY/3. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@Final_0114
Patch Set: Changes to make version 24 to work with chromium unittests Created 5 years, 11 months 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_QUIC_PROTOCOL_H_ 5 #ifndef NET_QUIC_QUIC_PROTOCOL_H_
6 #define NET_QUIC_QUIC_PROTOCOL_H_ 6 #define NET_QUIC_QUIC_PROTOCOL_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <limits> 9 #include <limits>
10 #include <list> 10 #include <list>
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305 // When adding a new version to this enum you should add it to 305 // When adding a new version to this enum you should add it to
306 // kSupportedQuicVersions (if appropriate), and also add a new case to the 306 // kSupportedQuicVersions (if appropriate), and also add a new case to the
307 // helper methods QuicVersionToQuicTag, QuicTagToQuicVersion, and 307 // helper methods QuicVersionToQuicTag, QuicTagToQuicVersion, and
308 // QuicVersionToString. 308 // QuicVersionToString.
309 enum QuicVersion { 309 enum QuicVersion {
310 // Special case to indicate unknown/unsupported QUIC version. 310 // Special case to indicate unknown/unsupported QUIC version.
311 QUIC_VERSION_UNSUPPORTED = 0, 311 QUIC_VERSION_UNSUPPORTED = 0,
312 312
313 QUIC_VERSION_22 = 22, // Send Server Config Update messages on crypto stream. 313 QUIC_VERSION_22 = 22, // Send Server Config Update messages on crypto stream.
314 QUIC_VERSION_23 = 23, // Timestamp in the ack frame. 314 QUIC_VERSION_23 = 23, // Timestamp in the ack frame.
315 QUIC_VERSION_24 = 24, // SPDY/4 header compression.
315 }; 316 };
316 317
317 // This vector contains QUIC versions which we currently support. 318 // This vector contains QUIC versions which we currently support.
318 // This should be ordered such that the highest supported version is the first 319 // This should be ordered such that the highest supported version is the first
319 // element, with subsequent elements in descending order (versions can be 320 // element, with subsequent elements in descending order (versions can be
320 // skipped as necessary). 321 // skipped as necessary).
321 // 322 //
322 // IMPORTANT: if you are adding to this list, follow the instructions at 323 // IMPORTANT: if you are adding to this list, follow the instructions at
323 // http://sites/quic/adding-and-removing-versions 324 // http://sites/quic/adding-and-removing-versions
324 static const QuicVersion kSupportedQuicVersions[] = {QUIC_VERSION_23, 325 static const QuicVersion kSupportedQuicVersions[] = {QUIC_VERSION_24,
326 QUIC_VERSION_23,
325 QUIC_VERSION_22}; 327 QUIC_VERSION_22};
326 328
327 typedef std::vector<QuicVersion> QuicVersionVector; 329 typedef std::vector<QuicVersion> QuicVersionVector;
328 330
329 // Returns a vector of QUIC versions in kSupportedQuicVersions. 331 // Returns a vector of QUIC versions in kSupportedQuicVersions.
330 NET_EXPORT_PRIVATE QuicVersionVector QuicSupportedVersions(); 332 NET_EXPORT_PRIVATE QuicVersionVector QuicSupportedVersions();
331 333
332 // QuicTag is written to and read from the wire, but we prefer to use 334 // QuicTag is written to and read from the wire, but we prefer to use
333 // the more readable QuicVersion at other levels. 335 // the more readable QuicVersion at other levels.
334 // Helper function which translates from a QuicVersion to a QuicTag. Returns 0 336 // Helper function which translates from a QuicVersion to a QuicTag. Returns 0
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1097 bool in_flight; 1099 bool in_flight;
1098 // True if the packet can never be acked, so it can be removed. 1100 // True if the packet can never be acked, so it can be removed.
1099 bool is_unackable; 1101 bool is_unackable;
1100 // True if the packet is an FEC packet. 1102 // True if the packet is an FEC packet.
1101 bool is_fec_packet; 1103 bool is_fec_packet;
1102 }; 1104 };
1103 1105
1104 } // namespace net 1106 } // namespace net
1105 1107
1106 #endif // NET_QUIC_QUIC_PROTOCOL_H_ 1108 #endif // NET_QUIC_QUIC_PROTOCOL_H_
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