/*
 * Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution. 
 *
 *   This program 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; version 2 of the License. 
 *
 *  This program 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 this program; if not, write to the Free Software 
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 *
 */

/*
 * get_disk_compat.c - 
 */

#include <stdio.h>
#include "db.h"
#include "authenticate.h"

extern float log_get_db_compatibility();

int main(int argc, char * argv[])
{
  float disk_compat_level = 0.0f;
  char * prog_name;
  char * db_name;
  int retval;

  if (argc < 2) {
    return 1;
  }

  prog_name = argv[0];
  db_name = argv[1];

  AU_DISABLE_PASSWORDS();

  db_login("dba", NULL);
  retval = db_restart (prog_name, 0, db_name);
  if (retval != NO_ERROR && retval != ER_LOG_INCOMPATIBLE_DATABASE)
    {
      printf("%s\n", db_error_string(3));
      return 1;
    }

  disk_compat_level = log_get_db_compatibility();

  db_shutdown();

  if (disk_compat_level < 1.7) {
    printf("incompatible version\n");
    return 1;
  }
  else if (disk_compat_level <= 1.8) {
    printf("6_6\n");
  }
  else if (disk_compat_level <= 1.9) {
    printf("7_1\n");
  }
  else if (disk_compat_level <= 2.0) {
    printf("7_3\n");
  }
  else if (disk_compat_level > 2.0) {
    printf("Don't need to migrate.\n");
  }
  else {
    printf("Database version infomation is not available.\n");
    return 1;
  }

  return 0;
}