/* $Id: plugin_statfs.c,v 1.1 2005/04/03 07:07:51 reinelt Exp $
 *
 * plugin for statfs() syscall
 *
 * Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux 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, or (at your option)
 * any later version.
 *
 * LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 * $Log: plugin_statfs.c,v $
 * Revision 1.1  2005/04/03 07:07:51  reinelt
 * added statfs plugin
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_statfs (void)
 *  adds statfs() functions
 *
 */


#include "config.h"

#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/vfs.h>

#include "debug.h"
#include "plugin.h"



static void my_statfs (RESULT *result, RESULT *arg1, RESULT *arg2)
{
  struct statfs buf;
  char *path, *key;
  double value;
  
  path = R2S(arg1);
  key  = R2S(arg2);
  
  if (statfs(path, &buf)!=0) {
    error("statfs(%s) failed: %s", path, strerror(errno));
    SetResult(&result, R_STRING, ""); 
    return;
  }

  if (strcasecmp(key, "type")==0) {
    value = buf.f_type;
  } else if  (strcasecmp(key, "bsize")==0) {
    value = buf.f_bsize;
  } else if  (strcasecmp(key, "blocks")==0) {
    value = buf.f_blocks;
  } else if  (strcasecmp(key, "bfree")==0) {
    value = buf.f_bfree;
  } else if  (strcasecmp(key, "bavail")==0) {
    value = buf.f_bavail;
  } else if  (strcasecmp(key, "files")==0) {
    value = buf.f_files;
  } else if  (strcasecmp(key, "ffree")==0) {
    value = buf.f_ffree;
#if 0
  } else if  (strcasecmp(key, "fsid")==0) {
    value = buf.f_fsid;
#endif
  } else if  (strcasecmp(key, "namelen")==0) {
    value = buf.f_namelen;
  } else {
    error("statfs: unknown field '%s'", key);
    value = -1;
  }

  SetResult(&result, R_NUMBER, &value); 
}


int plugin_init_statfs (void)
{
  AddFunction ("statfs", 2, my_statfs);
  return 0;
}

void plugin_exit_statfs(void) 
{
}