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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef NET_SOCKET_NEXT_PROTO_H_ | |
6 #define NET_SOCKET_NEXT_PROTO_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "net/base/net_export.h" | |
11 | |
12 namespace net { | |
13 | |
14 // Next Protocol Negotiation (NPN), if successful, results in agreement on an | |
15 // application-level string that specifies the application level protocol to | |
16 // use over the TLS connection. NextProto enumerates the application level | |
17 // protocols that we recognize. Do not change or reuse values, because they | |
18 // are used to collect statistics on UMA. Also, values must be in [0,499), | |
19 // because of the way TLS protocol negotiation extension information is added to | |
20 // UMA histogram. | |
21 enum NextProto { | |
22 kProtoUnknown = 0, | |
23 kProtoHTTP11 = 1, | |
24 kProtoMinimumVersion = kProtoHTTP11, | |
25 | |
26 kProtoDeprecatedSPDY2 = 100, | |
27 kProtoSPDYMinimumVersion = kProtoDeprecatedSPDY2, | |
28 kProtoSPDYHistogramOffset = kProtoDeprecatedSPDY2, | |
29 kProtoSPDY3 = 101, | |
30 kProtoSPDY31 = 102, | |
31 kProtoSPDY4_14 = 103, // HTTP/2 draft-14 | |
32 kProtoSPDY4MinimumVersion = kProtoSPDY4_14, | |
33 kProtoSPDY4_15 = 104, // HTTP/2 draft-15 | |
34 kProtoSPDY4MaximumVersion = kProtoSPDY4_15, | |
35 kProtoSPDYMaximumVersion = kProtoSPDY4MaximumVersion, | |
36 | |
37 kProtoQUIC1SPDY3 = 200, | |
38 | |
39 kProtoMaximumVersion = kProtoQUIC1SPDY3, | |
40 }; | |
41 | |
42 // List of protocols to use for NPN, used for configuring HttpNetworkSessions. | |
43 typedef std::vector<NextProto> NextProtoVector; | |
44 | |
45 // Convenience functions to create NextProtoVector. | |
46 | |
47 NET_EXPORT NextProtoVector NextProtosHttpOnly(); | |
48 | |
49 // Default values, which are subject to change over time. Currently just | |
50 // SPDY 3 and 3.1. | |
51 NET_EXPORT NextProtoVector NextProtosDefaults(); | |
52 | |
53 NET_EXPORT NextProtoVector NextProtosWithSpdyAndQuic(bool spdy_enabled, | |
54 bool quic_enabled); | |
55 | |
56 // All of these also enable QUIC. | |
57 NET_EXPORT NextProtoVector NextProtosSpdy31(); | |
58 NET_EXPORT NextProtoVector NextProtosSpdy4Http2(); | |
59 | |
60 } // namespace net | |
61 | |
62 #endif // NET_SOCKET_NEXT_PROTO_H_ | |
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