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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "NameResolver.h"
#include "DlAbortEx.h"
#include "message.h"
#include "StringFormat.h"
#include "Util.h"
#include <cstring>
namespace aria2 {
NameResolver::NameResolver():_socktype(0) {}
void NameResolver::resolve(std::deque<std::string>& resolvedAddresses,
const std::string& hostname)
{
struct addrinfo hints;
struct addrinfo* res;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = _socktype;
hints.ai_flags = 0;
hints.ai_protocol = 0;
int s;
s = getaddrinfo(hostname.c_str(), "0", &hints, &res);
if(s) {
throw DlAbortEx(StringFormat(EX_RESOLVE_HOSTNAME,
hostname.c_str(), gai_strerror(s)).str());
}
struct addrinfo* rp;
for(rp = res; rp; rp = rp->ai_next) {
std::pair<std::string, uint16_t> addressPort
= Util::getNumericNameInfo(rp->ai_addr, rp->ai_addrlen);
resolvedAddresses.push_back(addressPort.first);
}
freeaddrinfo(res);
}
void NameResolver::setSocktype(int socktype)
{
_socktype = socktype;
}
} // namespace aria2
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