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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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