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/*
* Copyright (C) Tildeslash Ltd. All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3.
*
* 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 Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
*
* You must obey the GNU Affero General Public License in all respects
* for all of the code used other than OpenSSL.
*/
/**
* System dependent filesystem methods.
*
* @file
*/
#include "config.h"
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_MNTTAB_H
# include <sys/mnttab.h>
#endif
#include "monit.h"
#include "device_sysdep.h"
/**
* Solaris special block device mountpoint method. Filesystem must be mounted.
* In the case of success, mountpoint is stored in filesystem information
* structure for later use.
*
* @param inf Information structure where resulting data will be stored
* @param blockdev Identifies block special device
* @return NULL in the case of failure otherwise mountpoint
*/
char *device_mountpoint_sysdep(Info_T inf, char *blockdev) {
struct mnttab mnt;
FILE *mntfd;
ASSERT(inf);
ASSERT(blockdev);
if ((mntfd = fopen("/etc/mnttab", "r")) == NULL) {
LogError("%s: Cannot open /etc/mnttab file\n", prog);
return NULL;
}
while (getmntent(mntfd, &mnt) == 0) {
char real_mnt_special[PATH_MAX+1];
if (realpath(mnt.mnt_special, real_mnt_special) && IS(real_mnt_special, blockdev)) {
fclose(mntfd);
inf->priv.filesystem.mntpath = Str_dup(mnt.mnt_mountp);
return inf->priv.filesystem.mntpath;
}
}
fclose(mntfd);
return NULL;
}
/**
* Solaris filesystem usage statistics. In the case of success result is stored in
* given information structure.
*
* @param inf Information structure where resulting data will be stored
* @return TRUE if informations were succesfully read otherwise FALSE
*/
int filesystem_usage_sysdep(Info_T inf) {
int size;
struct statvfs usage;
ASSERT(inf);
if (statvfs(inf->priv.filesystem.mntpath, &usage) != 0) {
LogError("%s: Error getting usage statistics for filesystem '%s' -- %s\n", prog, inf->priv.filesystem.mntpath, STRERROR);
return FALSE;
}
size = usage.f_frsize ? (usage.f_bsize / usage.f_frsize) : 1;
inf->priv.filesystem.f_bsize = usage.f_bsize;
inf->priv.filesystem.f_blocks = usage.f_blocks / size;
inf->priv.filesystem.f_blocksfree = usage.f_bavail / size;
inf->priv.filesystem.f_blocksfreetotal = usage.f_bfree / size;
inf->priv.filesystem.f_files = usage.f_files;
inf->priv.filesystem.f_filesfree = usage.f_ffree;
inf->priv.filesystem.flags = usage.f_flag;
return TRUE;
}