modules/luabackend/master.cc

   1 /*
   2     Copyright (C) 2011 Fredrik Danerklint
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License version 2 as published
   6     by the Free Software Foundation
   7
   8     Additionally, the license of this program contains a special
   9     exception which allows to distribute the program in binary form when
  10     it is linked against OpenSSL.
  11
  12     This program is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with this program; if not, write to the Free Software
  19     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20 */
  21
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26 #include "luabackend.hh"
  27
  28 #include "pdns/logger.hh"
  29 #include "pdns/arguments.hh"
  30
  31 /*
  32     virtual void getUpdatedMasters(vector<DomainInfo>* domains);
  33     virtual void setNotifed(int id, uint32_t serial);
  34 */
  35
  36 void LUABackend::getUpdatedMasters(vector<DomainInfo>* domains) {
  37
  38     if (f_lua_getupdatedmasters == 0)
  39         return;
  40
  41     if (logging)
  42         L << Logger::Info << backend_name << "(getUpdatedMasters) BEGIN" << endl;
  43
  44     lua_rawgeti(lua, LUA_REGISTRYINDEX, f_lua_getupdatedmasters);
  45
  46     if(lua_pcall(lua, 0, 1, f_lua_exec_error) != 0) {
  47         string e = backend_name + lua_tostring(lua, -1);
  48         lua_pop(lua, 1);
  49
  50         throw runtime_error(e);
  51         return;
  52     }
  53
  54     size_t returnedwhat = lua_type(lua, -1);
  55     if (returnedwhat != LUA_TTABLE) {
  56         lua_pop(lua, 1 );
  57         return;
  58     }
  59
  60     domains_from_table(domains, "getUpdatedMasters");
  61
  62     if (logging)
  63         L << Logger::Info << backend_name << "(getUpdatedMasters) END" << endl;
  64 }
  65
  66 void LUABackend::setNotifed(int id, uint32_t serial) {
  67
  68     if (f_lua_setnotifed == 0)
  69         return;
  70
  71     if (logging)
  72         L << Logger::Info << backend_name << "(setNotifed) BEGIN" << endl;
  73
  74     lua_rawgeti(lua, LUA_REGISTRYINDEX, f_lua_setnotifed);
  75
  76     lua_pushinteger(lua, id);
  77     lua_pushinteger(lua, serial);
  78
  79     if(lua_pcall(lua, 2, 0, f_lua_exec_error) != 0) {
  80         string e = backend_name + lua_tostring(lua, -1);
  81         lua_pop(lua, 1);
  82
  83         throw runtime_error(e);
  84         return;
  85     }
  86
  87     if (logging)
  88         L << Logger::Info << backend_name << "(setNotifed) END" << endl;
  89 }
  90