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/* |
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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2003 i-scream |
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* Copyright (C) 2000-2004 i-scream |
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* |
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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 the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* This library 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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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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* |
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* $Id$ |
22 |
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*/ |
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|
24 |
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#ifdef HAVE_CONFIG_H |
28 |
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#include <stdio.h> |
29 |
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#include <stdlib.h> |
30 |
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#include <string.h> |
31 |
+ |
#include <time.h> |
32 |
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#include "statgrab.h" |
33 |
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|
34 |
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#ifdef SOLARIS |
38 |
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#define VALID_FS_TYPES {"ufs", "tmpfs"} |
39 |
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#endif |
40 |
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|
41 |
< |
#ifdef LINUX |
38 |
< |
#include <time.h> |
39 |
< |
#include <sys/vfs.h> |
41 |
> |
#if defined(LINUX) || defined(CYGWIN) |
42 |
|
#include <mntent.h> |
43 |
+ |
#include <sys/vfs.h> |
44 |
|
#include "tools.h" |
45 |
< |
#ifdef CYGWIN |
46 |
< |
#define VALID_FS_TYPES {"user"} |
47 |
< |
#else |
45 |
> |
#endif |
46 |
> |
|
47 |
> |
#ifdef LINUX |
48 |
|
#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
49 |
|
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
50 |
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"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
51 |
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"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
52 |
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"umsdos", "vfat", "xfs", "jfs"} |
53 |
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#endif |
54 |
+ |
|
55 |
+ |
#ifdef CYGWIN |
56 |
+ |
#define VALID_FS_TYPES {"user"} |
57 |
|
#endif |
58 |
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|
59 |
|
#ifdef ALLBSD |
67 |
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#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
68 |
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"ufs", "mfs"} |
69 |
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#endif |
70 |
< |
#ifdef NETBSD |
70 |
> |
#if defined(NETBSD) || defined(OPENBSD) |
71 |
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#include <sys/param.h> |
72 |
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#include <sys/sysctl.h> |
73 |
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#include <sys/disk.h> |
101 |
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} |
102 |
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} |
103 |
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|
104 |
+ |
int is_valid_fs_type(const char *type) { |
105 |
+ |
const char *types[] = VALID_FS_TYPES; |
106 |
+ |
int i; |
107 |
+ |
|
108 |
+ |
for (i = 0; i < (sizeof types / sizeof *types); i++) { |
109 |
+ |
if (strcmp(types[i], type) == 0) { |
110 |
+ |
return 1; |
111 |
+ |
} |
112 |
+ |
} |
113 |
+ |
return 0; |
114 |
+ |
} |
115 |
+ |
|
116 |
|
disk_stat_t *get_disk_stats(int *entries){ |
117 |
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|
118 |
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static disk_stat_t *disk_stats; |
119 |
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static int watermark=-1; |
120 |
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|
121 |
< |
char *fs_types[] = VALID_FS_TYPES; |
104 |
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int x, valid_type; |
121 |
> |
int valid_type; |
122 |
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int num_disks=0; |
123 |
< |
#if defined(LINUX) || defined (SOLARIS) |
123 |
> |
#if defined(LINUX) || defined (SOLARIS) || defined(CYGWIN) |
124 |
|
FILE *f; |
125 |
|
#endif |
126 |
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|
130 |
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struct mnttab mp; |
131 |
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struct statvfs fs; |
132 |
|
#endif |
133 |
< |
#ifdef LINUX |
133 |
> |
#if defined(LINUX) || defined(CYGWIN) |
134 |
|
struct mntent *mp; |
135 |
|
struct statfs fs; |
136 |
|
#endif |
153 |
|
return NULL; |
154 |
|
} |
155 |
|
for(;nummnt--; mp++){ |
156 |
< |
valid_type=0; |
140 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
141 |
< |
if(strcmp(mp->f_fstypename, fs_types[x]) ==0){ |
142 |
< |
valid_type=1; |
143 |
< |
break; |
144 |
< |
} |
145 |
< |
} |
156 |
> |
valid_type = is_valid_fs_type(mp->f_fstypename); |
157 |
|
#endif |
158 |
|
|
159 |
< |
#ifdef LINUX |
159 |
> |
#if defined(LINUX) || defined(CYGWIN) |
160 |
|
if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
161 |
|
return NULL; |
162 |
|
} |
166 |
|
continue; |
167 |
|
} |
168 |
|
|
169 |
< |
valid_type=0; |
159 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
160 |
< |
if(strcmp(mp->mnt_type, fs_types[x]) ==0){ |
161 |
< |
valid_type=1; |
162 |
< |
break; |
163 |
< |
} |
164 |
< |
} |
169 |
> |
valid_type = is_valid_fs_type(mp->mnt_type); |
170 |
|
#endif |
171 |
|
|
172 |
|
#ifdef SOLARIS |
177 |
|
if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
178 |
|
continue; |
179 |
|
} |
180 |
< |
valid_type=0; |
176 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
177 |
< |
if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
178 |
< |
valid_type=1; |
179 |
< |
break; |
180 |
< |
} |
181 |
< |
} |
180 |
> |
valid_type = is_valid_fs_type(mp.mnt_fstype); |
181 |
|
#endif |
182 |
|
|
183 |
|
if(valid_type){ |
215 |
|
/* Freebsd doesn't have a "available" inodes */ |
216 |
|
disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
217 |
|
#endif |
218 |
< |
#ifdef LINUX |
218 |
> |
#if defined(LINUX) || defined(CYGWIN) |
219 |
|
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){ |
220 |
|
return NULL; |
221 |
|
} |
271 |
|
|
272 |
|
/* If this fails, there is very little i can do about it, so |
273 |
|
I'll ignore it :) */ |
274 |
< |
#if defined(LINUX) |
274 |
> |
#if defined(LINUX) || defined(CYGWIN) |
275 |
|
endmntent(f); |
276 |
|
#endif |
277 |
|
#if defined(SOLARIS) |
360 |
|
#endif |
361 |
|
#ifdef NETBSD |
362 |
|
struct disk_sysctl *stats; |
363 |
+ |
#endif |
364 |
+ |
#ifdef OPENBSD |
365 |
+ |
struct diskstats *stats; |
366 |
+ |
#endif |
367 |
+ |
#ifdef NETBSD |
368 |
+ |
#define MIBSIZE 3 |
369 |
+ |
#endif |
370 |
+ |
#ifdef OPENBSD |
371 |
+ |
#define MIBSIZE 2 |
372 |
+ |
#endif |
373 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
374 |
|
int num_disks, i; |
375 |
< |
int mib[3]; |
375 |
> |
int mib[MIBSIZE]; |
376 |
|
size_t size; |
377 |
|
#endif |
378 |
|
|
379 |
|
num_diskio=0; |
380 |
|
|
381 |
< |
#ifdef NETBSD |
381 |
> |
#if defined(NETBSD) || defined(OPENBSD) |
382 |
|
mib[0] = CTL_HW; |
383 |
|
mib[1] = HW_DISKSTATS; |
384 |
+ |
#ifdef NETBSD |
385 |
|
mib[2] = sizeof(struct disk_sysctl); |
386 |
+ |
#endif |
387 |
|
|
388 |
< |
if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
388 |
> |
if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
389 |
|
return NULL; |
390 |
|
} |
391 |
+ |
|
392 |
+ |
#ifdef NETBSD |
393 |
|
num_disks = size / sizeof(struct disk_sysctl); |
394 |
+ |
#else |
395 |
+ |
num_disks = size / sizeof(struct diskstats); |
396 |
+ |
#endif |
397 |
|
|
398 |
|
stats = malloc(size); |
399 |
|
if (stats == NULL) { |
400 |
|
return NULL; |
401 |
|
} |
402 |
|
|
403 |
< |
if (sysctl(mib, 3, stats, &size, NULL, 0) < 0) { |
403 |
> |
if (sysctl(mib, MIBSIZE, stats, &size, NULL, 0) < 0) { |
404 |
|
return NULL; |
405 |
|
} |
406 |
|
|
407 |
|
for (i = 0; i < num_disks; i++) { |
408 |
|
u_int64_t rbytes, wbytes; |
409 |
|
|
410 |
+ |
#ifdef NETBSD |
411 |
|
#ifdef HAVE_DK_RBYTES |
412 |
|
rbytes = stats[i].dk_rbytes; |
413 |
|
wbytes = stats[i].dk_wbytes; |
415 |
|
/* Before 1.7, NetBSD merged reads and writes. */ |
416 |
|
rbytes = wbytes = stats[i].dk_bytes; |
417 |
|
#endif |
418 |
+ |
#else |
419 |
+ |
rbytes = wbytes = stats[i].ds_bytes; |
420 |
+ |
#endif |
421 |
|
|
422 |
|
/* Don't keep stats for disks that have never been used. */ |
423 |
|
if (rbytes == 0 && wbytes == 0) { |
437 |
|
if (diskio_stats_ptr->disk_name != NULL) { |
438 |
|
free(diskio_stats_ptr->disk_name); |
439 |
|
} |
440 |
+ |
#ifdef NETBSD |
441 |
|
diskio_stats_ptr->disk_name = strdup(stats[i].dk_name); |
442 |
+ |
#else |
443 |
+ |
asprintf((&diskio_stats_ptr->disk_name), "%s%d", "disk", i); |
444 |
+ |
#endif |
445 |
|
diskio_stats_ptr->systime = time(NULL); |
446 |
|
|
447 |
|
num_diskio++; |
532 |
|
|
533 |
|
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
534 |
|
|
535 |
< |
diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
535 |
> |
diskio_stats_ptr->disk_name=strdup((char *) get_svr_from_bsd(ksp->ks_name)); |
536 |
|
diskio_stats_ptr->systime=time(NULL); |
537 |
|
num_diskio++; |
538 |
|
} |
605 |
|
n++; |
606 |
|
} |
607 |
|
|
608 |
+ |
fclose(f); |
609 |
+ |
f = NULL; |
610 |
+ |
|
611 |
|
if (!has_pp_stats) { |
612 |
< |
/* This is an older kernel without stats in /proc/partitions. |
613 |
< |
Read what we can from /proc/stat instead. */ |
612 |
> |
/* This is an older kernel where /proc/partitions doesn't |
613 |
> |
contain stats. Read what we can from /proc/stat instead, and |
614 |
> |
fill in the appropriate bits of the list allocated above. */ |
615 |
|
|
616 |
|
f = fopen("/proc/stat", "r"); |
617 |
|
if (f == NULL) goto out; |
678 |
|
num_diskio = n; |
679 |
|
out: |
680 |
|
if (f != NULL) fclose(f); |
681 |
+ |
#endif |
682 |
|
|
683 |
+ |
#ifdef CYGWIN |
684 |
+ |
return NULL; |
685 |
|
#endif |
686 |
+ |
|
687 |
|
*entries=num_diskio; |
688 |
|
|
689 |
|
return diskio_stats; |
690 |
|
} |
691 |
|
|
692 |
|
diskio_stat_t *get_diskio_stats_diff(int *entries){ |
693 |
< |
static diskio_stat_t *diskio_stats_diff=NULL; |
694 |
< |
static int sizeof_diskio_stats_diff=0; |
695 |
< |
diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr; |
696 |
< |
int disks, x, y; |
693 |
> |
static diskio_stat_t *diff = NULL; |
694 |
> |
static int diff_count = 0; |
695 |
> |
diskio_stat_t *src, *dest; |
696 |
> |
int i, j, new_count; |
697 |
|
|
698 |
< |
if(diskio_stats==NULL){ |
699 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
700 |
< |
*entries=disks; |
668 |
< |
return diskio_stats_ptr; |
698 |
> |
if (diskio_stats == NULL) { |
699 |
> |
/* No previous stats, so we can't calculate a difference. */ |
700 |
> |
return get_diskio_stats(entries); |
701 |
|
} |
702 |
|
|
703 |
< |
diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff); |
704 |
< |
if(diskio_stats_diff==NULL){ |
703 |
> |
/* Resize the results array to match the previous stats. */ |
704 |
> |
diff = diskio_stat_malloc(num_diskio, &diff_count, diff); |
705 |
> |
if (diff == NULL) { |
706 |
|
return NULL; |
707 |
|
} |
708 |
|
|
709 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
710 |
< |
diskio_stats_ptr=diskio_stats; |
709 |
> |
/* Copy the previous stats into the result. */ |
710 |
> |
for (i = 0; i < diff_count; i++) { |
711 |
> |
src = &diskio_stats[i]; |
712 |
> |
dest = &diff[i]; |
713 |
|
|
714 |
< |
for(disks=0;disks<num_diskio;disks++){ |
715 |
< |
if(diskio_stats_diff_ptr->disk_name!=NULL){ |
681 |
< |
free(diskio_stats_diff_ptr->disk_name); |
714 |
> |
if (dest->disk_name != NULL) { |
715 |
> |
free(dest->disk_name); |
716 |
|
} |
717 |
< |
diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name); |
718 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes; |
719 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes; |
720 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime; |
717 |
> |
dest->disk_name = strdup(src->disk_name); |
718 |
> |
dest->read_bytes = src->read_bytes; |
719 |
> |
dest->write_bytes = src->write_bytes; |
720 |
> |
dest->systime = src->systime; |
721 |
> |
} |
722 |
|
|
723 |
< |
diskio_stats_diff_ptr++; |
724 |
< |
diskio_stats_ptr++; |
723 |
> |
/* Get a new set of stats. */ |
724 |
> |
if (get_diskio_stats(&new_count) == NULL) { |
725 |
> |
return NULL; |
726 |
|
} |
727 |
|
|
728 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
729 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
728 |
> |
/* For each previous stat... */ |
729 |
> |
for (i = 0; i < diff_count; i++) { |
730 |
> |
dest = &diff[i]; |
731 |
|
|
732 |
< |
for(x=0;x<sizeof_diskio_stats_diff;x++){ |
733 |
< |
|
734 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
735 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
736 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
737 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
738 |
< |
}else{ |
702 |
< |
diskio_stats_ptr=diskio_stats; |
703 |
< |
for(y=0;y<disks;y++){ |
704 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
705 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
706 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
707 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
708 |
< |
|
709 |
< |
break; |
710 |
< |
} |
711 |
< |
|
712 |
< |
diskio_stats_ptr++; |
732 |
> |
/* ... find the corresponding new stat ... */ |
733 |
> |
for (j = 0; j < new_count; j++) { |
734 |
> |
/* Try the new stat in the same position first, |
735 |
> |
since that's most likely to be it. */ |
736 |
> |
src = &diskio_stats[(i + j) % new_count]; |
737 |
> |
if (strcmp(src->disk_name, dest->disk_name) == 0) { |
738 |
> |
break; |
739 |
|
} |
740 |
|
} |
741 |
+ |
if (j == new_count) { |
742 |
+ |
/* No match found. */ |
743 |
+ |
continue; |
744 |
+ |
} |
745 |
|
|
746 |
< |
diskio_stats_ptr++; |
747 |
< |
diskio_stats_diff_ptr++; |
748 |
< |
|
746 |
> |
/* ... and subtract the previous stat from it to get the |
747 |
> |
difference. */ |
748 |
> |
dest->read_bytes = src->read_bytes - dest->read_bytes; |
749 |
> |
dest->write_bytes = src->write_bytes - dest->write_bytes; |
750 |
> |
dest->systime = src->systime - dest->systime; |
751 |
|
} |
752 |
< |
|
753 |
< |
*entries=sizeof_diskio_stats_diff; |
754 |
< |
return diskio_stats_diff; |
752 |
> |
|
753 |
> |
*entries = diff_count; |
754 |
> |
return diff; |
755 |
|
} |
756 |
+ |
|