1// Copyright 2014 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_QUIC_QUIC_ADDRESS_MISMATCH_H_
6#define NET_QUIC_QUIC_ADDRESS_MISMATCH_H_
7
8#include "net/base/net_export.h"
9
10namespace net {
11
12class IPEndPoint;
13
14enum QuicAddressMismatch {
15  // The addresses don't match.
16  QUIC_ADDRESS_MISMATCH_BASE = 0,
17  QUIC_ADDRESS_MISMATCH_V4_V4 = 0,
18  QUIC_ADDRESS_MISMATCH_V6_V6 = 1,
19  QUIC_ADDRESS_MISMATCH_V4_V6 = 2,
20  QUIC_ADDRESS_MISMATCH_V6_V4 = 3,
21
22  // The addresses match, but the ports don't match.
23  QUIC_PORT_MISMATCH_BASE = 4,
24  QUIC_PORT_MISMATCH_V4_V4 = 4,
25  QUIC_PORT_MISMATCH_V6_V6 = 5,
26
27  QUIC_ADDRESS_AND_PORT_MATCH_BASE = 6,
28  QUIC_ADDRESS_AND_PORT_MATCH_V4_V4 = 6,
29  QUIC_ADDRESS_AND_PORT_MATCH_V6_V6 = 7,
30
31  QUIC_ADDRESS_MISMATCH_MAX,
32};
33
34// Returns a value of the QuicAddressMismatch enum type that indicates how
35// |first_address| differs from |second_address|. Returns -1 if either address
36// is empty.
37//
38// Only used by the Net.QuicSession.PublicResetAddressMismatch histogram.
39NET_EXPORT_PRIVATE int GetAddressMismatch(const IPEndPoint& first_address,
40                                          const IPEndPoint& second_address);
41
42}  // namespace net
43
44#endif  // NET_QUIC_QUIC_ADDRESS_MISMATCH_H_
45