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 recognise. Do not change or reuse values, because they 18 // are used to collect statistics on UMA. 19 enum NextProto { 20 kProtoUnknown = 0, 21 kProtoHTTP11 = 1, 22 kProtoMinimumVersion = kProtoHTTP11, 23 24 kProtoDeprecatedSPDY2 = 100, 25 kProtoSPDYMinimumVersion = kProtoDeprecatedSPDY2, 26 kProtoSPDY3 = 101, 27 kProtoSPDY31 = 102, 28 kProtoSPDY4 = 103, // SPDY4 is HTTP/2. 29 kProtoSPDYMaximumVersion = kProtoSPDY4, 30 31 kProtoQUIC1SPDY3 = 200, 32 33 kProtoMaximumVersion = kProtoQUIC1SPDY3, 34 }; 35 36 // List of protocols to use for NPN, used for configuring HttpNetworkSessions. 37 typedef std::vector<NextProto> NextProtoVector; 38 39 // Convenience functions to create NextProtoVector. 40 41 NET_EXPORT NextProtoVector NextProtosHttpOnly(); 42 43 // Default values, which are subject to change over time. Currently just 44 // SPDY 3 and 3.1. 45 NET_EXPORT NextProtoVector NextProtosDefaults(); 46 47 NET_EXPORT NextProtoVector NextProtosWithSpdyAndQuic(bool spdy_enabled, 48 bool quic_enabled); 49 50 // All of these also enable QUIC. 51 NET_EXPORT NextProtoVector NextProtosSpdy3(); 52 NET_EXPORT NextProtoVector NextProtosSpdy31(); 53 NET_EXPORT NextProtoVector NextProtosSpdy31WithSpdy2(); 54 NET_EXPORT NextProtoVector NextProtosSpdy4Http2(); 55 56 } // namespace net 57 58 #endif // NET_SOCKET_NEXT_PROTO_H_ 59