/*
* 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: test_dbcontent.cc
 *
 * MODULE: test 
 *
 * PURPOSE:
 *  	 Reads the contents of the specified collection and prints
 *   	it on the screen.
 *
 * COMMENTS:
 *   		none
 *
*/

#include <stdlib.h>
#include <iostream.h>

#include "o2template_CC.hxx"         // declaration of O2 ref and coll classes

#include "ulongtype.hh"

#include "cachetamgr/persmddcoll.hh"
#include "cachetamgr/persmddobj.hh"
#include "cachetamgr/perstile.hh"

#include "cachetamgr/persmddcolliter.hh"

#include "adminif.hh"
#include "databaseif.hh"
#include "transactionif.hh"

#include <unistd.h>

extern char* myExecArgv0 = "";

static void testAccessing( const char* collName );

/*************************************************************
 * Function name.: int main( int argc, char** argv)
 *
 * Arguments.....: 
 *   argc: number of arguments given to program
 *   argv: array of char* with arguments
 * Return value..: exit status
 * Description...: none
 ************************************************************/

void
main( int ac, char** av)
{
  char baseName[255];
  char collName[255];
   
  if( ac > 1 )
    strcpy( baseName, av[1] );
  else
    strcpy( baseName, "RasDaBase" );
   
  if( ac > 2 )
    strcpy( collName, av[2] );
  else
    strcpy( collName, "Images" );
   
  pid_t cpid;
  cout << "Parent process id is " << getpid() << endl;
  
  cpid = fork();
  
  if( !cpid )
  {   
    cout << "Child process id is " << getpid() << endl;  
    // sleep(1);
  }
     
  // variables representing O2 database, ta and session
  DatabaseIf database;
  TransactionIf ta;
 
  // don't forget to initialize before using AdminIf!
  myExecArgv0 = av[0];
  AdminIf* myAdmin = AdminIf::instance();

  // connect to the database
  cout << getpid() << " Connecting to database " << baseName << "..." << endl;
  database.open( baseName );

  // read coll and print contents 
  cout << getpid() << " Read collection and print contents..." << endl;
  ta.begin();
  testAccessing( collName );
  ta.commit();
  
  cout << getpid() << " closing db ... "; cout.flush();
  database.close();
  cout << getpid() << " OK" << endl;

  cout << getpid() << " Ending O2 session..." << endl;
  delete myAdmin;
  cout << getpid() << " OK" << endl;

  return;
}



/*************************************************************
 * Function......: testAccessing()
 *
 * Arguments.....: none
 * Return value..: none
 * Description...: reads DirTilesIx's and shows contents
 ************************************************************/

static void testAccessing( const char* collName )
{
  PersMDDObj* accessedObj;
  
  cout << getpid() << " ....testAccessing" << endl;
  /*    
  PersMDDColl objsSet( collName );
  
  // To test PersMDDColl::printStatus( )
  objsSet.printStatus( );
  
  // To test PersMDDObj::printStatus( ), MDDCollIter::createIterator( ) and
  // MDDCollIter methods :
  MDDCollIter* objsIt = objsSet.createIterator( );
  
  for( int i = 1 ; objsIt->notDone( ); i++, objsIt->advance( ))
  {
    accessedObj = (PersMDDObj*) objsIt->getElement();
    cout << "    --"<<i<<". MDD object in set:" << endl;
    accessedObj->printStatus();
  }
  delete objsIt;
  */
}