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. 18 enum NextProto { 19 kProtoUnknown = 0, 20 kProtoHTTP11, 21 kProtoMinimumVersion = kProtoHTTP11, 22 23 kProtoDeprecatedSPDY2, 24 kProtoSPDYMinimumVersion = kProtoDeprecatedSPDY2, 25 kProtoSPDY3, 26 kProtoSPDY31, 27 kProtoSPDY4, // SPDY4 is HTTP/2. 28 kProtoSPDYMaximumVersion = kProtoSPDY4, 29 30 kProtoQUIC1SPDY3, 31 32 kProtoMaximumVersion = kProtoQUIC1SPDY3, 33 }; 34 35 // List of protocols to use for NPN, used for configuring HttpNetworkSessions. 36 typedef std::vector<NextProto> NextProtoVector; 37 38 // Convenience functions to create NextProtoVector. 39 40 NET_EXPORT NextProtoVector NextProtosHttpOnly(); 41 42 // Default values, which are subject to change over time. Currently just 43 // SPDY 3 and 3.1. 44 NET_EXPORT NextProtoVector NextProtosDefaults(); 45 46 NET_EXPORT NextProtoVector NextProtosWithSpdyAndQuic(bool spdy_enabled, 47 bool quic_enabled); 48 49 // All of these also enable QUIC. 50 NET_EXPORT NextProtoVector NextProtosSpdy3(); 51 NET_EXPORT NextProtoVector NextProtosSpdy31(); 52 NET_EXPORT NextProtoVector NextProtosSpdy31WithSpdy2(); 53 NET_EXPORT NextProtoVector NextProtosSpdy4Http2(); 54 55 } // namespace net 56 57 #endif // NET_SOCKET_NEXT_PROTO_H_ 58