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98 lines
2.1 KiB
98 lines
2.1 KiB
/*
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* $Id$
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*
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* Copyright (C) 2007 Raphael Coeffic
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*
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* This file is part of sems, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "resolver.h"
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#include <netdb.h>
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#include <string.h>
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#include "log.h"
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resolver* resolver::_instance=0;
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resolver::resolver()
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{
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}
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resolver::~resolver()
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{
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}
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resolver* resolver::instance()
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{
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if(!_instance)
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_instance = new resolver();
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return _instance;
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}
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int resolver::resolve_name(const char* name, sockaddr_storage* sa,
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const address_type types, const proto_type protos)
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{
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struct addrinfo hints,*res=0;
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memset(&hints,0,sizeof(hints));
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int err=0;
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if(types & IPv4){
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hints.ai_family = AF_INET;
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hints.ai_socktype = SOCK_DGRAM;
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hints.ai_protocol = IPPROTO_UDP;
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err = getaddrinfo(name,NULL,&hints,&res);
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if(err){
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switch(err){
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case EAI_AGAIN:
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case EAI_NONAME:
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ERROR("Could not resolve '%s'\n",name);
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break;
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default:
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ERROR("getaddrinfo('%s'): %s\n",
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name,gai_strerror(err));
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break;
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}
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err = -1;
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}
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else {
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memcpy(sa,res->ai_addr,res->ai_addrlen);
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freeaddrinfo(res);
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}
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}
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return err;
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}
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/** EMACS **
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* Local variables:
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* mode: c++
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* c-basic-offset: 4
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* End:
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*/
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