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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_BASE_ADDRESS_FAMILY_H_ | 5 #ifndef NET_BASE_ADDRESS_FAMILY_H_ |
6 #define NET_BASE_ADDRESS_FAMILY_H_ | 6 #define NET_BASE_ADDRESS_FAMILY_H_ |
7 | 7 |
8 namespace net { | 8 namespace net { |
9 | 9 |
10 // Enum wrapper around the address family types supported by host resolver | 10 // Enum wrapper around the address family types supported by host resolver |
11 // procedures. | 11 // procedures. |
12 enum AddressFamily { | 12 enum AddressFamily { |
13 ADDRESS_FAMILY_UNSPECIFIED, // AF_UNSPEC | 13 ADDRESS_FAMILY_UNSPECIFIED, // AF_UNSPEC |
14 ADDRESS_FAMILY_IPV4, // AF_INET | 14 ADDRESS_FAMILY_IPV4, // AF_INET |
15 ADDRESS_FAMILY_IPV6, // AF_INET6 | 15 ADDRESS_FAMILY_IPV6, // AF_INET6 |
16 ADDRESS_FAMILY_LAST = ADDRESS_FAMILY_IPV6 | 16 ADDRESS_FAMILY_LAST = ADDRESS_FAMILY_IPV6 |
17 }; | 17 }; |
18 | 18 |
19 // HostResolverFlags is a bitflag enum used by host resolver procedures to | 19 // HostResolverFlags is a bitflag enum used by host resolver procedures to |
20 // determine the value of addrinfo.ai_flags and work around getaddrinfo | 20 // determine the value of addrinfo.ai_flags and work around getaddrinfo |
21 // peculiarities. | 21 // peculiarities. |
22 enum { | 22 enum { |
23 HOST_RESOLVER_CANONNAME = 1 << 0, // AI_CANONNAME | 23 HOST_RESOLVER_CANONNAME = 1 << 0, // AI_CANONNAME |
24 // Hint to the resolver proc that only loopback addresses are configured. | 24 // Hint to the resolver proc that only loopback addresses are configured. |
25 HOST_RESOLVER_LOOPBACK_ONLY = 1 << 1, | 25 HOST_RESOLVER_LOOPBACK_ONLY = 1 << 1, |
26 // Indicate the address family was set because no IPv6 support was detected. | 26 // Indicate the address family was set because no IPv6 support was detected. |
27 HOST_RESOLVER_DEFAULT_FAMILY_SET_DUE_TO_NO_IPV6 = 1 << 2, | 27 HOST_RESOLVER_DEFAULT_FAMILY_SET_DUE_TO_NO_IPV6 = 1 << 2, |
28 // The resolver should only invoke getaddrinfo, not DnsClient. | 28 // The resolver should only invoke getaddrinfo, not DnsClient. |
29 HOST_RESOLVER_SYSTEM_ONLY = 1 << 3 | 29 HOST_RESOLVER_SYSTEM_ONLY = 1 << 3 |
30 }; | 30 }; |
31 typedef int HostResolverFlags; | 31 typedef int HostResolverFlags; |
32 | 32 |
33 } // namespace net | 33 } // namespace net |
34 | 34 |
35 #endif // NET_BASE_ADDRESS_FAMILY_H_ | 35 #endif // NET_BASE_ADDRESS_FAMILY_H_ |
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