release/src/router/mysql/storage/ndb/src/mgmsrv/MgmtSrvrConfig.cpp

   1 /* Copyright (c) 2003-2005 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #include <signaldata/TestOrd.hpp>
  17 #include <OutputStream.hpp>
  18
  19 #include "MgmtSrvr.hpp"
  20 #include "SignalQueue.hpp"
  21 #include <InitConfigFileParser.hpp>
  22 #include <ConfigRetriever.hpp>
  23 #include <ndb_version.h>
  24
  25 /**
  26  * Save a configuration to the running configuration file
  27  */
  28 int
  29 MgmtSrvr::saveConfig(const Config *conf) {
  30   BaseString newfile;
  31   newfile.appfmt("%s.new", m_configFilename.c_str());
  32
  33   /* Open and write to the new config file */
  34   FILE *f = fopen(newfile.c_str(), "w");
  35   if(f == NULL) {
  36     /** @todo Send something apropriate to the log */
  37     return -1;
  38   }
  39   FileOutputStream stream(f);
  40   conf->printConfigFile(stream);
  41
  42   fclose(f);
  43
  44   /* Rename file to real name */
  45   rename(newfile.c_str(), m_configFilename.c_str());
  46
  47   return 0;
  48 }
  49
  50 Config *
  51 MgmtSrvr::readConfig() {
  52   Config *conf;
  53   InitConfigFileParser parser;
  54   if (m_configFilename.length())
  55   {
  56     conf = parser.parseConfig(m_configFilename.c_str());
  57   }
  58   else
  59   {
  60     ndbout_c("Reading cluster configuration using my.cnf");
  61     conf = parser.parse_mycnf();
  62   }
  63   return conf;
  64 }
  65
  66 Config *
  67 MgmtSrvr::fetchConfig() {
  68   struct ndb_mgm_configuration * tmp = m_config_retriever->getConfig();
  69   if(tmp != 0){
  70     Config * conf = new Config();
  71     conf->m_configValues = tmp;
  72     return conf;
  73   }
  74   return 0;
  75 }