net/socket/next_proto.h

   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_