| // 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_ |
| |
| #include <vector> |
| |
| #include "net/base/net_export.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 recognize. Do not change or reuse values, because they |
| // are used to collect statistics on UMA. Also, values must be in [0,499), |
| // because of the way TLS protocol negotiation extension information is added to |
| // UMA histogram. |
| enum NextProto { |
| kProtoUnknown = 0, |
| kProtoHTTP11 = 1, |
| kProtoMinimumVersion = kProtoHTTP11, |
| |
| kProtoDeprecatedSPDY2 = 100, |
| kProtoSPDYMinimumVersion = kProtoDeprecatedSPDY2, |
| kProtoSPDYHistogramOffset = kProtoDeprecatedSPDY2, |
| kProtoSPDY3 = 101, |
| kProtoSPDY31 = 102, |
| // kProtoHTTP2_14 = 103, // HTTP/2 draft-14 |
| // kProtoHTTP2_15 = 104, // HTTP/2 draft-15 |
| // kProtoHTTP2_16 = 105, // HTTP/2 draft-16 |
| // kProtoHTTP2_17 = 106, // HTTP/2 draft-17 |
| kProtoHTTP2 = 107, // HTTP/2, see https://tools.ietf.org/html/rfc7540. |
| kProtoSPDYMaximumVersion = kProtoHTTP2, |
| |
| kProtoQUIC1SPDY3 = 200, |
| |
| kProtoMaximumVersion = kProtoQUIC1SPDY3, |
| }; |
| |
| // List of protocols to use for NPN, used for configuring HttpNetworkSessions. |
| typedef std::vector<NextProto> NextProtoVector; |
| |
| // Convenience functions to create NextProtoVector. |
| |
| // Default values, which are subject to change over time. |
| NET_EXPORT NextProtoVector NextProtosDefaults(); |
| |
| // Enable SPDY/3.1 and QUIC, but not HTTP/2. |
| NET_EXPORT NextProtoVector NextProtosSpdy31(); |
| |
| // Control SPDY/3.1 and HTTP/2 separately. |
| NET_EXPORT NextProtoVector NextProtosWithSpdyAndQuic(bool spdy_enabled, |
| bool quic_enabled); |
| |
| // Returns true if |next_proto| is a version of SPDY or HTTP/2. |
| bool NextProtoIsSPDY(NextProto next_proto); |
| |
| // Remove HTTP/2 from |next_protos|. |
| NET_EXPORT void DisableHTTP2(NextProtoVector* next_protos); |
| |
| } // namespace net |
| |
| #endif // NET_SOCKET_NEXT_PROTO_H_ |