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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Portions of this software are Copyright (c) 2011 Univa Corporation
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#if defined(DARWIN) || defined(FREEBSD) || defined(NETBSD)
# include <sys/param.h>
# include <sys/mount.h>
#elif defined(LINUX)
# include <sys/vfs.h>
# include "sge_string.h"
# include <mntent.h>
#else
# include <sys/types.h>
# include <sys/statvfs.h>
#endif
#if defined(SOLARIS)
#include <kstat.h>
#include <nfs/nfs.h>
#include <nfs/nfs_clnt.h>
#endif
#if defined(INTERIX)
# include "wingrid.h"
#endif
#define BUF_SIZE 8 * 1024
/* fixme: what about others? Lustre, Ceph, GFS, GPFS & Gluster are
supposed to be POSIX-compliant, so presumably are OK. */
int main(int argc, char *argv[]) {
int ret=1;
if (argc < 2) {
printf("Usage: fstype <directory>\n");
return 1;
} else {
#if defined(LINUX)
struct statfs buf;
FILE *fd = NULL;
ret = statfs(argv[1], &buf);
#elif defined(DARWIN) || defined(FREEBSD) || (defined(NETBSD) && !defined(ST_RDONLY))
struct statfs buf;
ret = statfs(argv[1], &buf);
#elif defined(INTERIX)
struct statvfs buf;
ret = wl_statvfs(argv[1], &buf);
#elif defined(SOLARIS)
struct statvfs buf;
struct mntinfo_kstat mnt_info;
minor_t fsid;
kstat_ctl_t *kc = NULL;
kstat_t *ksp;
kstat_named_t *knp;
ret = statvfs(argv[1], &buf);
/*
statfs returns dev_t (32bit - 14bit major + 18bit minor number)
the kstat_instance is the minor number
*/
fsid = (minor_t)(buf.f_fsid & 0x3ffff);
if (strcmp(buf.f_basetype, "nfs") == 0) {
kc = kstat_open();
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
if (ksp->ks_type != KSTAT_TYPE_RAW)
continue;
if (strcmp(ksp->ks_module, "nfs") != 0)
continue;
if (strcmp(ksp->ks_name, "mntinfo") != 0)
continue;
if (kstat_read(kc, ksp, &mnt_info) == -1) {
kstat_close(kc);
printf("error\n");
return 2;
}
if (fsid == ksp->ks_instance) {
if ( mnt_info.mik_vers >= 4 ) {
snprintf(buf.f_basetype, sizeof buf.f_basetype,
"nfs%i", mnt_info.mik_vers);
}
break;
}
}
ret = kstat_close(kc);
}
#else
struct statvfs buf;
ret = statvfs(argv[1], &buf);
#endif
if(ret!=0) {
printf("Error: %s\n", strerror(errno));
return 2;
}
#if defined (DARWIN) || defined(FREEBSD) || defined(NETBSD)
printf("%s\n", buf.f_fstypename);
#elif defined(LINUX)
/* 0x6969 is NFS_SUPER_MAGIC (see statfs(2) man page) */
/* See also more values in linux/magic.h (which we can't include). */
if (buf.f_type == 0x6969) {
/*
* Linux is not able to detect the right nfs version form the statfs struct.
* f_type always returns nfs, even when it's a nfs4. We are looking into
* the /etc/mtab (or equivalent) file until we found a better solution
* to do this.
*/
fd = setmntent(_PATH_MOUNTED, "r");
if (fd == NULL) {
fprintf(stderr, "file system type could not be detected\n");
printf("unknown fs\n");
return 1;
} else {
bool found_line = false;
struct mntent *ent;
sge_strip_white_space_at_eol(argv[1]);
sge_strip_slash_at_eol(argv[1]);
while ((ent = getmntent(fd)) != NULL) {
/* search only in valid lines that contain NFS4 mounts */
if (ent->mnt_dir != NULL && ent->mnt_type != NULL && strcmp(ent->mnt_type, "nfs4") == 0) {
/* search mountpoint in given path */
char *pos = strstr(argv[1], ent->mnt_dir);
if (pos == argv[1]) {
/* we found the mountpoint at the start of the given path, this is it! */
found_line = true;
printf ("%s\n", ent->mnt_type);
break;
}
}
}
(void) endmntent(fd);
if (found_line == false) { /*if type could not be detected via /etc/mtab, then we have to print out "nfs"*/
printf("nfs\n");
}
}
} else {
switch (buf.f_type) {
case 0x52654973:
printf("reiserfs\n");
break;
case 0x517B:
printf("smb\n");
break;
case 0x5346414F:
printf("afs\n");
break;
case 0x73757245:
printf("coda\n"); /* is it POSIX-compliant? */
break;
default:
printf("%lx\n", (long unsigned int)buf.f_type);
}
}
#elif defined(INTERIX)
printf("%s\n", buf.f_fstypename);
#else
printf("%s\n", buf.f_basetype);
#endif
}
return 0;
}
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