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266 lines
7.2 KiB
266 lines
7.2 KiB
/*
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KSysGuard, the KDE System Guard
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Copyright (c) 2001 Tobias Koenig <tokoe@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of version 2 of the GNU General Public
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License as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <mntent.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/vfs.h>
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#include <time.h>
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#include <unistd.h>
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#include "Command.h"
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#include "ccont.h"
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#include "diskstat.h"
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#include "ksysguardd.h"
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typedef struct {
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char device[ 256 ];
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char mntpnt[ 256 ];
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long blocks;
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long bfree;
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long bused;
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int bused_percent;
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} DiskInfo;
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static CONTAINER DiskStatList = 0;
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static struct SensorModul* DiskStatSM;
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char *getMntPnt( const char* cmd );
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char *getMntPnt( const char* cmd )
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{
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static char device[ 1025 ];
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char* ptr;
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memset( device, 0, sizeof( device ) );
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sscanf( cmd, "partitions%1024s", device );
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ptr = (char*)rindex( device, '/' );
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*ptr = '\0';
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return (char*)device;
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}
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/* ----------------------------- public part ------------------------------- */
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void initDiskStat( struct SensorModul* sm )
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{
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char monitor[ 1024 ];
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DiskInfo* disk_info;
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DiskStatList = new_ctnr();
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DiskStatSM = sm;
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if ( updateDiskStat() < 0 )
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return;
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registerMonitor( "partitions/list", "listview", printDiskStat, printDiskStatInfo, sm );
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for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) {
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snprintf( monitor, sizeof( monitor ), "partitions%s/usedspace", disk_info->mntpnt );
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registerMonitor( monitor, "integer", printDiskStatUsed, printDiskStatUsedInfo, DiskStatSM );
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snprintf( monitor, sizeof( monitor ), "partitions%s/freespace", disk_info->mntpnt );
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registerMonitor( monitor, "integer", printDiskStatFree, printDiskStatFreeInfo, DiskStatSM );
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snprintf( monitor, sizeof( monitor ), "partitions%s/filllevel", disk_info->mntpnt );
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registerMonitor( monitor, "integer", printDiskStatPercent, printDiskStatPercentInfo, DiskStatSM );
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}
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}
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void exitDiskStat( void )
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{
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char monitor[ 1024 ];
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DiskInfo* disk_info;
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removeMonitor( "partitions/list" );
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for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) {
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snprintf( monitor, sizeof( monitor ), "partitions%s/usedspace", disk_info->mntpnt );
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removeMonitor( monitor );
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snprintf( monitor, sizeof( monitor ), "partitions%s/freespace", disk_info->mntpnt );
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removeMonitor( monitor );
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snprintf( monitor, sizeof( monitor ), "partitions%s/filllevel", disk_info->mntpnt );
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removeMonitor( monitor );
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}
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destr_ctnr( DiskStatList, free );
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}
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void checkDiskStat( void )
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{
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struct stat mtab_info;
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static off_t mtab_size = 0;
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stat( "/etc/mtab", &mtab_info );
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if ( !mtab_size )
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mtab_size = mtab_info.st_size;
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if ( mtab_info.st_size != mtab_size ) {
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exitDiskStat();
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initDiskStat( DiskStatSM );
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mtab_size = mtab_info.st_size;
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}
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}
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int updateDiskStat( void )
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{
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DiskInfo *disk_info;
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FILE *fh;
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struct mntent *mnt_info;
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float percent;
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int i;
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struct statfs fs_info;
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if ( ( fh = setmntent( "/etc/mtab", "r" ) ) == NULL ) {
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print_error( "Cannot open \'/etc/mtab\'!\n" );
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return -1;
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}
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for ( i = level_ctnr( DiskStatList ); i >= 0; --i )
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free( pop_ctnr( DiskStatList ) );
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while ( ( mnt_info = getmntent( fh ) ) != NULL ) {
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if ( statfs( mnt_info->mnt_dir, &fs_info ) < 0 )
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continue;
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if ( strcmp( mnt_info->mnt_type, "proc" ) &&
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strcmp( mnt_info->mnt_type, "devfs" ) &&
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strcmp( mnt_info->mnt_type, "usbfs" ) &&
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strcmp( mnt_info->mnt_type, "sysfs" ) &&
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strcmp( mnt_info->mnt_type, "tmpfs" ) &&
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strcmp( mnt_info->mnt_type, "devpts" ) ) {
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if ( fs_info.f_blocks != 0 )
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{
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percent = ( ( (float)fs_info.f_blocks - (float)fs_info.f_bfree ) /
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(float)fs_info.f_blocks );
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percent = percent * 100;
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}
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else
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{
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percent = 0;
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}
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if ( ( disk_info = (DiskInfo *)malloc( sizeof( DiskInfo ) ) ) == NULL )
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continue;
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memset( disk_info, 0, sizeof( DiskInfo ) );
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strlcpy( disk_info->device, mnt_info->mnt_fsname, sizeof( disk_info->device ) );
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if ( !strcmp( mnt_info->mnt_dir, "/" ) )
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strlcpy( disk_info->mntpnt, "/root", sizeof( disk_info->mntpnt ) );
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else
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strlcpy( disk_info->mntpnt, mnt_info->mnt_dir, sizeof( disk_info->mntpnt ) );
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disk_info->blocks = fs_info.f_blocks;
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disk_info->bfree = fs_info.f_bfree;
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disk_info->bused = fs_info.f_blocks - fs_info.f_bfree;
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disk_info->bused_percent = (int)percent;
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push_ctnr( DiskStatList, disk_info );
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}
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}
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endmntent( fh );
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return 0;
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}
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void printDiskStat( const char* cmd )
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{
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DiskInfo* disk_info;
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(void)cmd;
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for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) {
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fprintf( CurrentClient, "%s\t%ld\t%ld\t%ld\t%d\t%s\n",
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disk_info->device,
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disk_info->blocks,
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disk_info->bused,
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disk_info->bfree,
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disk_info->bused_percent,
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disk_info->mntpnt );
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}
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fprintf( CurrentClient, "\n" );
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}
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void printDiskStatInfo( const char* cmd )
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{
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(void)cmd;
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fprintf( CurrentClient, "Device\tBlocks\tUsed\tAvailable\tUsed %%\tMountPoint\nM\tD\tD\tD\td\ts\n" );
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}
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void printDiskStatUsed( const char* cmd )
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{
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char *mntpnt = (char*)getMntPnt( cmd );
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DiskInfo* disk_info;
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for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) {
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if ( !strcmp( mntpnt, disk_info->mntpnt ) )
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fprintf( CurrentClient, "%ld\n", disk_info->bused );
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}
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fprintf( CurrentClient, "\n" );
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}
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void printDiskStatUsedInfo( const char* cmd )
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{
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(void)cmd;
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fprintf( CurrentClient, "Used Blocks\t0\t-\tBlocks\n" );
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}
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void printDiskStatFree( const char* cmd )
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{
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char *mntpnt = (char*)getMntPnt( cmd );
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DiskInfo* disk_info;
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for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) {
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if ( !strcmp( mntpnt, disk_info->mntpnt ) )
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fprintf( CurrentClient, "%ld\n", disk_info->bfree );
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}
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fprintf( CurrentClient, "\n" );
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}
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void printDiskStatFreeInfo( const char* cmd )
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{
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(void)cmd;
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fprintf( CurrentClient, "Free Blocks\t0\t-\tBlocks\n" );
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}
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void printDiskStatPercent( const char* cmd )
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{
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char *mntpnt = (char*)getMntPnt( cmd );
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DiskInfo* disk_info;
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for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) {
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if ( !strcmp( mntpnt, disk_info->mntpnt ) )
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fprintf( CurrentClient, "%d\n", disk_info->bused_percent );
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}
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fprintf( CurrentClient, "\n" );
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}
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void printDiskStatPercentInfo( const char* cmd )
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{
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(void)cmd;
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fprintf( CurrentClient, "Used Blocks\t0\t100\t%%\n" );
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}
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