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#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include <net-snmp/agent/hardware/fsys.h>
#include "hardware/fsys/hw_fsys.h"
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#if HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#if HAVE_SYS_STATVFS_H
#include <sys/statvfs.h>
#endif
/*
* Handle minor naming differences between statfs/statvfs
*/
#if defined(_VFS_NAMELEN)
#define NSFS_NAMELEN _VFS_NAMELEN
#else
#define NSFS_NAMELEN MNAMELEN
#endif
#if defined(HAVE_GETVFSSTAT) && defined(__NetBSD__)
#define NSFS_GETFSSTAT getvfsstat
#define NSFS_STATFS statvfs
#define NSFS_FLAGS f_flag
#else
#define NSFS_GETFSSTAT getfsstat
#define NSFS_STATFS statfs
#define NSFS_FLAGS f_flags
#endif
/*
#if defined(HAVE_STATVFS)
#define NSFS_STATFS statvfs
#define NSFS_FLAGS f_flag
#else
#define NSFS_STATFS statfs
#define NSFS_FLAGS f_flags
#endif
*/
/*
#if defined(HAVE_STATVFS) && defined(__NetBSD__)
#define NSFS_NAMELEN _VFS_NAMELEN
#define NSFS_GETFSSTAT getvfsstat
#define NSFS_STATFS statvfs
#else
#define NSFS_FLAGS f_flags
#define NSFS_NAMELEN _VFS_NAMELEN
#define NSFS_GETFSSTAT getvfsstat
#define NSFS_STATFS statvfs
#endif
*/
int
_fs_type( char *typename )
{
DEBUGMSGTL(("fsys:type", "Classifying %s\n", typename));
if ( !typename || *typename=='\0' )
return NETSNMP_FS_TYPE_UNKNOWN;
#include "mounts.h"
/*
* List of mount types from <sys/mount.h>
*/
else if ( !strcmp(typename, MOUNT_FFS) ||
!strcmp(typename, MOUNT_UFS) )
return NETSNMP_FS_TYPE_BERKELEY;
else if ( !strcmp(typename, MOUNT_NFS) )
return NETSNMP_FS_TYPE_NFS;
else if ( !strcmp(typename, MOUNT_MFS) )
return NETSNMP_FS_TYPE_MFS;
else if ( !strcmp(typename, MOUNT_MSDOS) ||
!strcmp(typename, MOUNT_MSDOSFS) )
return NETSNMP_FS_TYPE_FAT;
else if ( !strcmp(typename, MOUNT_AFS) )
return NETSNMP_FS_TYPE_AFS;
else if ( !strcmp(typename, MOUNT_CD9660) )
return NETSNMP_FS_TYPE_ISO9660;
else if ( !strcmp(typename, MOUNT_EXT2FS) )
return NETSNMP_FS_TYPE_EXT2;
else if ( !strcmp(typename, MOUNT_NTFS) )
return NETSNMP_FS_TYPE_NTFS;
/*
* NetBSD also recognises the following filesystem types:
* MOUNT_NULL
* MOUNT_OVERLAY
* MOUNT_UMAP
* MOUNT_UNION
* MOUNT_CFS/CODA
* MOUNT_FILECORE
* MOUNT_SMBFS
* MOUNT_PTYFS
* OpenBSD also recognises the following filesystem types:
* MOUNT_LOFS
* MOUNT_NCPFS
* MOUNT_XFS
* MOUNT_UDF
* Both of them recognise the following filesystem types:
* MOUNT_LFS
* MOUNT_FDESC
* MOUNT_PORTAL
* MOUNT_KERNFS
* MOUNT_PROCFS
* MOUNT_ADOSFS
*
* All of these filesystems are mapped to NETSNMP_FS_TYPE_OTHER
* so will be picked up by the following default branch.
*/
else
return NETSNMP_FS_TYPE_OTHER;
}
void
netsnmp_fsys_arch_init( void )
{
return;
}
void
netsnmp_fsys_arch_load( void )
{
int n, i;
struct NSFS_STATFS *stats;
netsnmp_fsys_info *entry;
/*
* Retrieve information about the currently mounted filesystems...
*/
n = NSFS_GETFSSTAT( NULL, 0, 0 );
if ( n==0 )
return;
stats = (struct NSFS_STATFS *)malloc( n * sizeof( struct NSFS_STATFS ));
n = NSFS_GETFSSTAT( stats, n * sizeof( struct NSFS_STATFS ), MNT_NOWAIT );
/*
* ... and insert this into the filesystem container.
*/
for ( i=0; i<n; i++ ) {
entry = netsnmp_fsys_by_path( stats[i].f_mntonname,
NETSNMP_FS_FIND_CREATE );
if (!entry)
continue;
strlcpy( entry->path, stats[i].f_mntonname, sizeof(entry->path));
entry->path[sizeof(entry->path)-1] = '\0';
strlcpy( entry->device, stats[i].f_mntfromname, sizeof(entry->device));
entry->device[sizeof(entry->device)-1] = '\0';
entry->units = stats[i].f_bsize; /* or f_frsize */
entry->size = stats[i].f_blocks;
entry->used = (stats[i].f_blocks - stats[i].f_bfree);
/* entry->avail is currently unsigned, so protect against negative
* values!
* This should be changed to a signed field.
*/
if (stats[i].f_bavail < 0)
entry->avail = 0;
else
entry->avail = stats[i].f_bavail;
entry->inums_total = stats[i].f_files;
entry->inums_avail = stats[i].f_ffree;
entry->type = _fs_type( stats[i].f_fstypename );
entry->flags |= NETSNMP_FS_FLAG_ACTIVE;
if (! (stats[i].NSFS_FLAGS & MNT_LOCAL )) {
entry->flags |= NETSNMP_FS_FLAG_REMOTE;
}
if ( stats[i].NSFS_FLAGS & MNT_RDONLY ) {
entry->flags |= NETSNMP_FS_FLAG_RONLY;
}
if ( stats[i].NSFS_FLAGS & MNT_ROOTFS ) {
entry->flags |= NETSNMP_FS_FLAG_BOOTABLE;
}
netsnmp_fsys_calculate32(entry);
}
free(stats);
}
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