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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_VERSIONS_H_ | 5 #ifndef NET_QUIC_QUIC_VERSIONS_H_ |
6 #define NET_QUIC_QUIC_VERSIONS_H_ | 6 #define NET_QUIC_QUIC_VERSIONS_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "net/quic/core/quic_types.h" | 11 #include "net/quic/core/quic_types.h" |
12 | 12 |
13 namespace net { | 13 namespace net { |
14 | 14 |
15 // The available versions of QUIC. Guaranteed that the integer value of the enum | 15 // The available versions of QUIC. Guaranteed that the integer value of the enum |
16 // will match the version number. | 16 // will match the version number. |
17 // When adding a new version to this enum you should add it to | 17 // When adding a new version to this enum you should add it to |
18 // kSupportedQuicVersions (if appropriate), and also add a new case to the | 18 // kSupportedQuicVersions (if appropriate), and also add a new case to the |
19 // helper methods QuicVersionToQuicTag, QuicTagToQuicVersion, and | 19 // helper methods QuicVersionToQuicTag, QuicTagToQuicVersion, and |
20 // QuicVersionToString. | 20 // QuicVersionToString. |
21 enum QuicVersion { | 21 enum QuicVersion { |
22 // Special case to indicate unknown/unsupported QUIC version. | 22 // Special case to indicate unknown/unsupported QUIC version. |
23 QUIC_VERSION_UNSUPPORTED = 0, | 23 QUIC_VERSION_UNSUPPORTED = 0, |
24 | 24 |
25 QUIC_VERSION_32 = 32, // FEC related fields are removed from wire format. | |
26 QUIC_VERSION_33 = 33, // Adds diversification nonces. | |
27 QUIC_VERSION_34 = 34, // Deprecates entropy, removes private flag from packet | 25 QUIC_VERSION_34 = 34, // Deprecates entropy, removes private flag from packet |
28 // header, uses new ack and stop waiting wire format. | 26 // header, uses new ack and stop waiting wire format. |
29 QUIC_VERSION_35 = 35, // Allows endpoints to independently set stream limit. | 27 QUIC_VERSION_35 = 35, // Allows endpoints to independently set stream limit. |
30 QUIC_VERSION_36 = 36, // Add support to force HOL blocking. | 28 QUIC_VERSION_36 = 36, // Add support to force HOL blocking. |
31 | 29 |
32 // IMPORTANT: if you are adding to this std::list, follow the instructions at | 30 // IMPORTANT: if you are adding to this std::list, follow the instructions at |
33 // http://sites/quic/adding-and-removing-versions | 31 // http://sites/quic/adding-and-removing-versions |
34 }; | 32 }; |
35 | 33 |
36 // This vector contains QUIC versions which we currently support. | 34 // This vector contains QUIC versions which we currently support. |
37 // This should be ordered such that the highest supported version is the first | 35 // This should be ordered such that the highest supported version is the first |
38 // element, with subsequent elements in descending order (versions can be | 36 // element, with subsequent elements in descending order (versions can be |
39 // skipped as necessary). | 37 // skipped as necessary). |
40 // | 38 // |
41 // IMPORTANT: if you are adding to this list, follow the instructions at | 39 // IMPORTANT: if you are adding to this list, follow the instructions at |
42 // http://sites/quic/adding-and-removing-versions | 40 // http://sites/quic/adding-and-removing-versions |
43 static const QuicVersion kSupportedQuicVersions[] = { | 41 static const QuicVersion kSupportedQuicVersions[] = { |
44 QUIC_VERSION_36, QUIC_VERSION_35, QUIC_VERSION_34, QUIC_VERSION_33, | 42 QUIC_VERSION_36, QUIC_VERSION_35, QUIC_VERSION_34}; |
45 QUIC_VERSION_32}; | |
46 | 43 |
47 typedef std::vector<QuicVersion> QuicVersionVector; | 44 typedef std::vector<QuicVersion> QuicVersionVector; |
48 | 45 |
49 // Returns a vector of QUIC versions in kSupportedQuicVersions. | 46 // Returns a vector of QUIC versions in kSupportedQuicVersions. |
50 NET_EXPORT_PRIVATE QuicVersionVector AllSupportedVersions(); | 47 NET_EXPORT_PRIVATE QuicVersionVector AllSupportedVersions(); |
51 | 48 |
52 // Returns a vector of QUIC versions from kSupportedQuicVersions which exclude | 49 // Returns a vector of QUIC versions from kSupportedQuicVersions which exclude |
53 // any versions which are disabled by flags. | 50 // any versions which are disabled by flags. |
54 NET_EXPORT_PRIVATE QuicVersionVector CurrentSupportedVersions(); | 51 NET_EXPORT_PRIVATE QuicVersionVector CurrentSupportedVersions(); |
55 | 52 |
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78 NET_EXPORT_PRIVATE std::string QuicVersionToString(const QuicVersion version); | 75 NET_EXPORT_PRIVATE std::string QuicVersionToString(const QuicVersion version); |
79 | 76 |
80 // Returns comma separated list of string representations of QuicVersion enum | 77 // Returns comma separated list of string representations of QuicVersion enum |
81 // values in the supplied |versions| vector. | 78 // values in the supplied |versions| vector. |
82 NET_EXPORT_PRIVATE std::string QuicVersionVectorToString( | 79 NET_EXPORT_PRIVATE std::string QuicVersionVectorToString( |
83 const QuicVersionVector& versions); | 80 const QuicVersionVector& versions); |
84 | 81 |
85 } // namespace net | 82 } // namespace net |
86 | 83 |
87 #endif // NET_QUIC_QUIC_VERSIONS_H_ | 84 #endif // NET_QUIC_QUIC_VERSIONS_H_ |
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