/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
 * SOURCE: rasmgr_config.hh
 *
 * MODULE: rasmgr
 * CLASS:  Configuration, RasmgrLicense
 *
 * PURPOSE:
 *   Config info from commandline, environment and license
 *    
 * COMMENTS:
 *   none
 *
*/
#ifndef RASMGR_CONFIG_HH
#define RASMGR_CONFIG_HH

#include <iostream>
#include <string>
#include <sys/time.h>
#include <linux/limits.h>	// PATH_MAX

#include "commline/cmlparser.hh" 

// default rasmgr listen port polling frequency [secs]
// must be longer than the OS specific time to release TIM_WAIT sockets
const int DEFAULT_POLLING_FREQUENCY = 200;
// #define helps to avoid multiple defs in different .cc files:
#define DEFAULT_POLLING_FREQUENCY_STR "200"

/// host/domain name size (See man gethostname)
#define HOSTNAME_SIZE	255

/**
  * \ingroup Rasmgrs
  */
class Configuration
  {
    public:
      Configuration();
      
      bool interpretArguments(int argc, char **argv,char **envp);
      bool readConfigFile();
      bool saveOrigConfigFile();
      bool saveAltConfigFile();
      const char *getAltConfigFileName();
      const struct tm *getExpirationDate();
      const char * getHostName();
      const char * getPublicHostName();
      int getListenPort();

      const char * getMasterName();
      int getMasterPort();
      int getPollFrequency();
      const char * getSlaveName();
      bool isTestModus();
      bool isDebugSupport();
      bool isVerbose();

      bool allowMultipleWriteTransactions();

      void printStatus();

    private:
      void printHelp();

      char hostName[HOSTNAME_SIZE];
      char publicHostName[HOSTNAME_SIZE]; // usually ==hostName, but you might want to publish IP address or hostname.domainname instead
      int  listenPort;
      // name of configuration file
      char configFileName[PATH_MAX];
      // name of alternate configuration file for rescue save, generated by saveAltConfigFile()
      char altConfigFileName[PATH_MAX];

      // if slave
      char masterName[HOSTNAME_SIZE];
      int  masterPort;
      char slaveName[HOSTNAME_SIZE]; //my name, when I'm slave and no HIGHLANDER

      int pollFrequency;	// listen port polling frequency in seconds
      bool testModus;
      bool debugSupport;
      bool verbose;
      bool slave;

      bool saveConfigFile();

      bool rtHlTest;
      bool allowMultiWT;
      
      //interface program
      CommandLineParser    &cmlInter;
      CommandLineParameter &cmlHelp, &cmlHostName, &cmlPort, &cmlPollFrequ;
      CommandLineParameter &cmlMaster, &cmlMasterPort, &cmlName, &cmlQuiet;

    #ifdef RMANDEBUG
      CommandLineParameter &cmlTest, &cmlDSup, &cmlRandTest, &cmlRth, &cmlMultiWT;
    #endif
   };
   
extern Configuration config;

/**
  * \ingroup Rasmgrs
  */
class BenchmarkTimer
  {
    public:
      BenchmarkTimer(const char *text);
      ~BenchmarkTimer();
      void result();
    private:
      int  timeval_subtract(timeval *result,timeval *x,timeval *y);

      struct timeval start;
      struct timeval end;
      
      char* text;
      
   };
#endif