1 /* 2 * This file is part of PowerDNS or dnsdist. 3 * Copyright -- PowerDNS.COM B.V. and its contributors 4 * 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. 8 * 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. 12 * 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. 17 * 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. 21 */ 22 #pragma once 23 24 #include "iputils.hh" 25 26 namespace pdns { 27 /*! pick a random query local address for family 28 * 29 * Will always return a ComboAddress. 30 * 31 * @param family Address Family, only AF_INET and AF_INET6 are supported 32 * @param port Port to set in the returned ComboAddress 33 */ 34 ComboAddress getQueryLocalAddress(const sa_family_t family, const in_port_t port); 35 36 /*! Returns a non-Any address QLA, or an empty QLA when the QLA is any 37 * 38 * @param family Address Family 39 */ 40 ComboAddress getNonAnyQueryLocalAddress(const sa_family_t family); 41 42 /*! Populate the query local address vectors 43 * 44 * Will throw when an address can't be parsed 45 * 46 * @param qla A string of one or more ip addresses, separated by 47 * spaces, semi-colons or commas 48 */ 49 void parseQueryLocalAddress(const std::string &qla); 50 51 /*! Is the address family explicitly enabled 52 * 53 * i.e. was there an address parsed by parseQueryLocalAddress belonging 54 * to this family 55 * 56 * @param family Address Family, only AF_INET and AF_INET6 are supported 57 */ 58 bool isQueryLocalAddressFamilyEnabled(const sa_family_t family); 59 } // namespace pdns 60