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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTAPILITY 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pdns/logger.hh"
#include "pdns/arguments.hh"
#include "lua2backend.hh"
class Lua2Factory : public BackendFactory
{
public:
Lua2Factory() :
BackendFactory("lua2") {}
void declareArguments(const string& suffix = "") override
{
declare(suffix, "filename", "Filename of the script for lua backend", "powerdns-luabackend.lua");
declare(suffix, "query-logging", "Logging of the Lua2 Backend", "no");
declare(suffix, "api", "Lua backend API version", "2");
}
DNSBackend* make(const string& suffix = "") override
{
const std::string apiSet = "lua2" + suffix + "-api";
const int api = ::arg().asNum(apiSet);
DNSBackend* be;
switch (api) {
case 1:
throw PDNSException("Use luabackend for api version 1");
case 2:
be = new Lua2BackendAPIv2(suffix);
break;
default:
throw PDNSException("Unsupported ABI version " + ::arg()[apiSet]);
}
return be;
}
};
class Lua2Loader
{
public:
Lua2Loader()
{
BackendMakers().report(std::make_unique<Lua2Factory>());
g_log << Logger::Info << "[lua2backend] This is the lua2 backend version " VERSION
#ifndef REPRODUCIBLE
<< " (" __DATE__ " " __TIME__ ")"
#endif
<< " reporting" << endl;
}
};
static Lua2Loader luaLoader;
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