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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 4aed2c8219774f5d797760606b8489a92ddc5163 (patch) | |
tree | 3f8c130f7d269626bf6a9447407ef6c35954426a /ksysguard/ksysguardd/Linux/diskstat.c | |
download | tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'ksysguard/ksysguardd/Linux/diskstat.c')
-rw-r--r-- | ksysguard/ksysguardd/Linux/diskstat.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/ksysguard/ksysguardd/Linux/diskstat.c b/ksysguard/ksysguardd/Linux/diskstat.c new file mode 100644 index 000000000..012ed5a8e --- /dev/null +++ b/ksysguard/ksysguardd/Linux/diskstat.c @@ -0,0 +1,265 @@ +/* + KSysGuard, the KDE System Guard + + Copyright (c) 2001 Tobias Koenig <tokoe@kde.org> + + This program is free software; you can redistribute it and/or + modify it under the terms of version 2 of the GNU General Public + License as published by the Free Software Foundation. + + 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 General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +*/ + +#include <config.h> + +#include <mntent.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/vfs.h> +#include <time.h> +#include <unistd.h> + +#include "Command.h" +#include "ccont.h" +#include "diskstat.h" +#include "ksysguardd.h" + +typedef struct { + char device[ 256 ]; + char mntpnt[ 256 ]; + long blocks; + long bfree; + long bused; + int bused_percent; +} DiskInfo; + +static CONTAINER DiskStatList = 0; +static struct SensorModul* DiskStatSM; +char *getMntPnt( const char* cmd ); + +char *getMntPnt( const char* cmd ) +{ + static char device[ 1025 ]; + char* ptr; + + memset( device, 0, sizeof( device ) ); + sscanf( cmd, "partitions%1024s", device ); + + ptr = (char*)rindex( device, '/' ); + *ptr = '\0'; + + return (char*)device; +} + +/* ----------------------------- public part ------------------------------- */ + +void initDiskStat( struct SensorModul* sm ) +{ + char monitor[ 1024 ]; + DiskInfo* disk_info; + + DiskStatList = new_ctnr(); + DiskStatSM = sm; + + if ( updateDiskStat() < 0 ) + return; + + registerMonitor( "partitions/list", "listview", printDiskStat, printDiskStatInfo, sm ); + + for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) { + snprintf( monitor, sizeof( monitor ), "partitions%s/usedspace", disk_info->mntpnt ); + registerMonitor( monitor, "integer", printDiskStatUsed, printDiskStatUsedInfo, DiskStatSM ); + snprintf( monitor, sizeof( monitor ), "partitions%s/freespace", disk_info->mntpnt ); + registerMonitor( monitor, "integer", printDiskStatFree, printDiskStatFreeInfo, DiskStatSM ); + snprintf( monitor, sizeof( monitor ), "partitions%s/filllevel", disk_info->mntpnt ); + registerMonitor( monitor, "integer", printDiskStatPercent, printDiskStatPercentInfo, DiskStatSM ); + } +} + +void exitDiskStat( void ) +{ + char monitor[ 1024 ]; + DiskInfo* disk_info; + + removeMonitor( "partitions/list" ); + + for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) { + snprintf( monitor, sizeof( monitor ), "partitions%s/usedspace", disk_info->mntpnt ); + removeMonitor( monitor ); + snprintf( monitor, sizeof( monitor ), "partitions%s/freespace", disk_info->mntpnt ); + removeMonitor( monitor ); + snprintf( monitor, sizeof( monitor ), "partitions%s/filllevel", disk_info->mntpnt ); + removeMonitor( monitor ); + } + + destr_ctnr( DiskStatList, free ); +} + +void checkDiskStat( void ) +{ + struct stat mtab_info; + static off_t mtab_size = 0; + + stat( "/etc/mtab", &mtab_info ); + if ( !mtab_size ) + mtab_size = mtab_info.st_size; + + if ( mtab_info.st_size != mtab_size ) { + exitDiskStat(); + initDiskStat( DiskStatSM ); + mtab_size = mtab_info.st_size; + } +} + +int updateDiskStat( void ) +{ + DiskInfo *disk_info; + FILE *fh; + struct mntent *mnt_info; + float percent; + int i; + struct statfs fs_info; + + if ( ( fh = setmntent( "/etc/mtab", "r" ) ) == NULL ) { + print_error( "Cannot open \'/etc/mtab\'!\n" ); + return -1; + } + + for ( i = level_ctnr( DiskStatList ); i >= 0; --i ) + free( pop_ctnr( DiskStatList ) ); + + while ( ( mnt_info = getmntent( fh ) ) != NULL ) { + if ( statfs( mnt_info->mnt_dir, &fs_info ) < 0 ) + continue; + + if ( strcmp( mnt_info->mnt_type, "proc" ) && + strcmp( mnt_info->mnt_type, "devfs" ) && + strcmp( mnt_info->mnt_type, "usbfs" ) && + strcmp( mnt_info->mnt_type, "sysfs" ) && + strcmp( mnt_info->mnt_type, "tmpfs" ) && + strcmp( mnt_info->mnt_type, "devpts" ) ) { + if ( fs_info.f_blocks != 0 ) + { + percent = ( ( (float)fs_info.f_blocks - (float)fs_info.f_bfree ) / + (float)fs_info.f_blocks ); + percent = percent * 100; + } + else + { + percent = 0; + } + + if ( ( disk_info = (DiskInfo *)malloc( sizeof( DiskInfo ) ) ) == NULL ) + continue; + + memset( disk_info, 0, sizeof( DiskInfo ) ); + strlcpy( disk_info->device, mnt_info->mnt_fsname, sizeof( disk_info->device ) ); + if ( !strcmp( mnt_info->mnt_dir, "/" ) ) + strlcpy( disk_info->mntpnt, "/root", sizeof( disk_info->mntpnt ) ); + else + strlcpy( disk_info->mntpnt, mnt_info->mnt_dir, sizeof( disk_info->mntpnt ) ); + + disk_info->blocks = fs_info.f_blocks; + disk_info->bfree = fs_info.f_bfree; + disk_info->bused = fs_info.f_blocks - fs_info.f_bfree; + disk_info->bused_percent = (int)percent; + + push_ctnr( DiskStatList, disk_info ); + } + } + + endmntent( fh ); + + return 0; +} + +void printDiskStat( const char* cmd ) +{ + DiskInfo* disk_info; + + (void)cmd; + for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) { + fprintf( CurrentClient, "%s\t%ld\t%ld\t%ld\t%d\t%s\n", + disk_info->device, + disk_info->blocks, + disk_info->bused, + disk_info->bfree, + disk_info->bused_percent, + disk_info->mntpnt ); + } + + fprintf( CurrentClient, "\n" ); +} + +void printDiskStatInfo( const char* cmd ) +{ + (void)cmd; + fprintf( CurrentClient, "Device\tBlocks\tUsed\tAvailable\tUsed %%\tMountPoint\nM\tD\tD\tD\td\ts\n" ); +} + +void printDiskStatUsed( const char* cmd ) +{ + char *mntpnt = (char*)getMntPnt( cmd ); + DiskInfo* disk_info; + + for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) { + if ( !strcmp( mntpnt, disk_info->mntpnt ) ) + fprintf( CurrentClient, "%ld\n", disk_info->bused ); + } + + fprintf( CurrentClient, "\n" ); +} + +void printDiskStatUsedInfo( const char* cmd ) +{ + (void)cmd; + fprintf( CurrentClient, "Used Blocks\t0\t-\tBlocks\n" ); +} + +void printDiskStatFree( const char* cmd ) +{ + char *mntpnt = (char*)getMntPnt( cmd ); + DiskInfo* disk_info; + + for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) { + if ( !strcmp( mntpnt, disk_info->mntpnt ) ) + fprintf( CurrentClient, "%ld\n", disk_info->bfree ); + } + + fprintf( CurrentClient, "\n" ); +} + +void printDiskStatFreeInfo( const char* cmd ) +{ + (void)cmd; + fprintf( CurrentClient, "Free Blocks\t0\t-\tBlocks\n" ); +} + +void printDiskStatPercent( const char* cmd ) +{ + char *mntpnt = (char*)getMntPnt( cmd ); + DiskInfo* disk_info; + + for ( disk_info = first_ctnr( DiskStatList ); disk_info; disk_info = next_ctnr( DiskStatList ) ) { + if ( !strcmp( mntpnt, disk_info->mntpnt ) ) + fprintf( CurrentClient, "%d\n", disk_info->bused_percent ); + } + + fprintf( CurrentClient, "\n" ); +} + +void printDiskStatPercentInfo( const char* cmd ) +{ + (void)cmd; + fprintf( CurrentClient, "Used Blocks\t0\t100\t%%\n" ); +} |