2 * This file is part of PowerDNS or dnsdist.
3 * Copyright -- PowerDNS.COM B.V. and its contributors
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * In addition, for the avoidance of any doubt, permission is granted to
10 * link this program with OpenSSL and to (re)distribute the binaries
11 * produced as the result of such linking.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 /*! pick a random query local address for family
29 * Will always return a ComboAddress.
31 * @param family Address Family, only AF_INET and AF_INET6 are supported
32 * @param port Port to set in the returned ComboAddress
34 ComboAddress getQueryLocalAddress(const sa_family_t family, const in_port_t port);
36 /*! Returns a non-Any address QLA, or an empty QLA when the QLA is any
38 * @param family Address Family
40 ComboAddress getNonAnyQueryLocalAddress(const sa_family_t family);
42 /*! Populate the query local address vectors
44 * Will throw when an address can't be parsed
46 * @param qla A string of one or more ip addresses, separated by
47 * spaces, semi-colons or commas
49 void parseQueryLocalAddress(const std::string &qla);
51 /*! Is the address family explicitly enabled
53 * i.e. was there an address parsed by parseQueryLocalAddress belonging
56 * @param family Address Family, only AF_INET and AF_INET6 are supported
58 bool isQueryLocalAddressFamilyEnabled(const sa_family_t family);