main.c

Linux系统备份源代码 可基于用户自定义策略实现系统、应用数据备份

/***************************************************************************
    file                 : main.c
    begin                : Sat Dec 25 21:51:55 CET 1999
    copyright            : (C) 1999 by Henrik Witt-Hansen
    email                : [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/



/*base configuration*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif



/*standard includes*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>



/*local headers*/
#include "sitback.h"



/*global error code, defined extern in sitback.h*/
int errcode=0;
int test( int argc, char **argv );
extern void __dbg(char *p,...);
/********************************************************************
  int main(int argc,char **argv)

  Main entry function

  arguments:
    Standard main() arguments
  return:
    0 on success
    error code on error. See sitback.h to get the course of error
********************************************************************/
int main(int argc, char *argv[])
{
  int rc;


  /* Preamble */
  fprintf(stdout,"Sitback %s, build %s %s\n",VERSION,__DATE__,__TIME__);


  /*Initialize. Read command-line and backup/restore script*/
  if(Init(argc,argv))
  {
    log("Error reported during initialization. Error %d",errcode);
    Shutdown();
    return errcode;
  }


  /*what to do*/
  switch(conf__operation)
  {
    case BACKUP: rc=Backup(); break;
    case RESTORE: rc=Restore(); break;
    case LIST:    rc=List(); break;
    default: printf("Try sitback --help\n"); Shutdown(); exit(254);
  }


  /*check if there were any errors. errcode contains the error-code
    and will be returned to the shell*/
  if(rc!=0)
  {
    if(conf__mode!=DAEMON)
      UI__OkDlg("\nUnable to continue..");
    log("Error %d reported from operation.",errcode);
    Shutdown();
  }
  else
  {
    /* normal cleanup. */
    if(conf__mode!=DAEMON)
      UI__OkDlg("\nOperation complete..");
    Shutdown();
  }


  /*Sitback shutdown. The final daemon procees dont exit this
    way, but parent process before the daemon process does..*/
  if(conf__mode!=DAEMON)
  {
    fprintf(stdout,"Thank you for using Sitback %s\n\n",VERSION);
    fprintf(stdout,"   Newest version of Sitback is available from the sitback website\n\n");
    fprintf(stdout,"                  http://www.mrbean.dk\n\n");
    fprintf(stdout,"         Send bugs, comments or ideas to [e-mail]\n\n");
  }


  /*return the error-code to the shell..  Error codes and their meanings
    is listed in sitback.h*/
  return errcode;
}