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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_SOCKET_NEXT_PROTO_H_
#define NET_SOCKET_NEXT_PROTO_H_
namespace net {
// Next Protocol Negotiation (NPN), if successful, results in agreement on an
// application-level string that specifies the application level protocol to
// use over the TLS connection. NextProto enumerates the application level
// protocols that we recognise.
enum NextProto {
kProtoUnknown = 0,
kProtoHTTP11 = 1,
kProtoMinimumVersion = kProtoHTTP11,
// TODO(akalin): Stop advertising SPDY/1 and remove this.
kProtoSPDY1 = 2,
kProtoSPDYMinimumVersion = kProtoSPDY1,
kProtoSPDY2 = 3,
// TODO(akalin): Stop adverising SPDY/2.1, too.
kProtoSPDY21 = 4,
kProtoSPDY3 = 5,
kProtoSPDY31 = 6,
kProtoSPDY4a2 = 7,
// We lump in HTTP/2 with the SPDY protocols for now.
kProtoHTTP2Draft04 = 8,
kProtoSPDYMaximumVersion = kProtoHTTP2Draft04,
kProtoQUIC1SPDY3 = 9,
kProtoMaximumVersion = kProtoQUIC1SPDY3,
};
} // namespace net
#endif // NET_SOCKET_NEXT_PROTO_H_
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