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 3 // found in the LICENSE file. 4 5 #ifndef NET_BASE_ADDRESS_FAMILY_H_ 6 #define NET_BASE_ADDRESS_FAMILY_H_ 7 #pragma once 8 9 namespace net { 10 11 // Enum wrapper around the address family types supported by host resolver 12 // procedures. 13 enum AddressFamily { 14 ADDRESS_FAMILY_UNSPECIFIED, // AF_UNSPEC 15 ADDRESS_FAMILY_IPV4, // AF_INET 16 ADDRESS_FAMILY_IPV6, // AF_INET6 17 }; 18 19 // HostResolverFlags is a bitflag enum used by host resolver procedures to 20 // determine the value of addrinfo.ai_flags and work around getaddrinfo 21 // peculiarities. 22 enum { 23 HOST_RESOLVER_CANONNAME = 1 << 0, // AI_CANONNAME 24 // Hint to the resolver proc that only loopback addresses are configured. 25 HOST_RESOLVER_LOOPBACK_ONLY = 1 << 1, 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, 28 }; 29 typedef int HostResolverFlags; 30 31 } // namespace net 32 33 #endif // NET_BASE_ADDRESS_FAMILY_H_ 34