78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
|
/*
|
||
|
|
|
||
|
|
1.1.1 Class Implementation
|
||
|
|
|
||
|
|
----
|
||
|
|
This file is part of SECONDO.
|
||
|
|
|
||
|
|
Copyright (C) 2017,
|
||
|
|
Faculty of Mathematics and Computer Science,
|
||
|
|
Database Systems for New Applications.
|
||
|
|
|
||
|
|
SECONDO 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.
|
||
|
|
|
||
|
|
SECONDO 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 SECONDO; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
----
|
||
|
|
|
||
|
|
*/
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
#include "Algebras/DBService2/DNSUtilities.hpp"
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
using namespace boost::asio;
|
||
|
|
|
||
|
|
namespace DBService
|
||
|
|
{
|
||
|
|
string DNSUtilities::resolveHostToIP(string hostname) {
|
||
|
|
string resolvedIP = "";
|
||
|
|
|
||
|
|
io_service io_service;
|
||
|
|
|
||
|
|
ip::tcp::resolver::query resolver_query(hostname, "",
|
||
|
|
ip::tcp::resolver::query::numeric_service);
|
||
|
|
|
||
|
|
ip::tcp::resolver resolver(io_service);
|
||
|
|
|
||
|
|
boost::system::error_code error_code;
|
||
|
|
|
||
|
|
ip::tcp::resolver::iterator it =
|
||
|
|
resolver.resolve(resolver_query, error_code);
|
||
|
|
|
||
|
|
// TODO Raise exception
|
||
|
|
if (error_code)
|
||
|
|
{
|
||
|
|
// TODO Raise exception
|
||
|
|
// << "Error code: " << error_code.value()
|
||
|
|
// << ".\nMessage: " << error_code.message();
|
||
|
|
|
||
|
|
return "";
|
||
|
|
}
|
||
|
|
|
||
|
|
ip::tcp::resolver::iterator it_end;
|
||
|
|
|
||
|
|
// TODO make ipv6 ready
|
||
|
|
// Look for the first IPv4 address
|
||
|
|
for (; it != it_end; it++)
|
||
|
|
{
|
||
|
|
ip::tcp::endpoint ep = it->endpoint();
|
||
|
|
if (!ep.address().is_v4())
|
||
|
|
continue;
|
||
|
|
|
||
|
|
// std::cout << "Endpoint Address: " << ep.address();
|
||
|
|
resolvedIP = ep.address().to_string();
|
||
|
|
}
|
||
|
|
|
||
|
|
return resolvedIP;
|
||
|
|
}
|
||
|
|
} // namespace DBService
|