1 |
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/* |
2 |
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* i-scream central monitoring system |
3 |
< |
* http://www.i-scream.org.uk |
4 |
< |
* Copyright (C) 2000-2002 i-scream |
3 |
> |
* http://www.i-scream.org |
4 |
> |
* Copyright (C) 2000-2003 i-scream |
5 |
|
* |
6 |
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* This program is free software; you can redistribute it and/or |
7 |
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* modify it under the terms of the GNU General Public License |
22 |
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#include "config.h" |
23 |
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#endif |
24 |
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|
25 |
+ |
#include <stdio.h> |
26 |
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#include <stdlib.h> |
27 |
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#include <string.h> |
28 |
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#include "statgrab.h" |
29 |
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|
30 |
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#ifdef SOLARIS |
30 |
– |
#include <stdio.h> |
31 |
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#include <sys/mnttab.h> |
32 |
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#include <sys/statvfs.h> |
33 |
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#include <kstat.h> |
35 |
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#endif |
36 |
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|
37 |
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#ifdef LINUX |
38 |
< |
#include <stdio.h> |
38 |
> |
#include <time.h> |
39 |
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#include <sys/vfs.h> |
40 |
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#include <mntent.h> |
41 |
< |
#define VALID_FS_TYPES {"ext2", "ext3", "xfs", "reiserfs", "vfat", "tmpfs"} |
41 |
> |
#include "tools.h" |
42 |
> |
#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
43 |
> |
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
44 |
> |
"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
45 |
> |
"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
46 |
> |
"umsdos", "vfat", "xfs", "jfs"} |
47 |
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#endif |
48 |
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|
49 |
+ |
#ifdef ALLBSD |
50 |
+ |
#include <sys/param.h> |
51 |
+ |
#include <sys/ucred.h> |
52 |
+ |
#include <sys/mount.h> |
53 |
+ |
#endif |
54 |
+ |
#ifdef FREEBSD |
55 |
+ |
#include <sys/dkstat.h> |
56 |
+ |
#include <devstat.h> |
57 |
+ |
#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
58 |
+ |
"ufs", "mfs"} |
59 |
+ |
#endif |
60 |
+ |
#ifdef NETBSD |
61 |
+ |
#include <sys/param.h> |
62 |
+ |
#include <sys/sysctl.h> |
63 |
+ |
#include <sys/disk.h> |
64 |
+ |
#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \ |
65 |
+ |
"ntfs"} |
66 |
+ |
#endif |
67 |
+ |
|
68 |
|
#define START_VAL 1 |
69 |
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|
70 |
|
char *copy_string(char *orig_ptr, const char *newtext){ |
99 |
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char *fs_types[] = VALID_FS_TYPES; |
100 |
|
int x, valid_type; |
101 |
|
int num_disks=0; |
102 |
+ |
#if defined(LINUX) || defined (SOLARIS) |
103 |
|
FILE *f; |
104 |
+ |
#endif |
105 |
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|
106 |
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disk_stat_t *disk_ptr; |
107 |
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|
108 |
|
#ifdef SOLARIS |
109 |
< |
struct mnttab *mp; |
109 |
> |
struct mnttab mp; |
110 |
|
struct statvfs fs; |
111 |
|
#endif |
112 |
|
#ifdef LINUX |
113 |
|
struct mntent *mp; |
114 |
|
struct statfs fs; |
115 |
|
#endif |
116 |
+ |
#ifdef ALLBSD |
117 |
+ |
int nummnt; |
118 |
+ |
struct statfs *mp; |
119 |
+ |
#endif |
120 |
|
|
121 |
|
if(watermark==-1){ |
122 |
|
disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
126 |
|
watermark=START_VAL; |
127 |
|
init_disk_stat(0, watermark-1, disk_stats); |
128 |
|
} |
129 |
+ |
#ifdef ALLBSD |
130 |
+ |
nummnt=getmntinfo(&mp , MNT_LOCAL); |
131 |
+ |
if (nummnt<=0){ |
132 |
+ |
return NULL; |
133 |
+ |
} |
134 |
+ |
for(;nummnt--; mp++){ |
135 |
+ |
valid_type=0; |
136 |
+ |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
137 |
+ |
if(strcmp(mp->f_fstypename, fs_types[x]) ==0){ |
138 |
+ |
valid_type=1; |
139 |
+ |
break; |
140 |
+ |
} |
141 |
+ |
} |
142 |
+ |
#endif |
143 |
+ |
|
144 |
|
#ifdef LINUX |
145 |
|
if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
146 |
|
return NULL; |
190 |
|
} |
191 |
|
|
192 |
|
disk_ptr=disk_stats+num_disks; |
193 |
+ |
#ifdef ALLBSD |
194 |
+ |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->f_mntfromname))==NULL){ |
195 |
+ |
return NULL; |
196 |
+ |
} |
197 |
+ |
|
198 |
+ |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->f_fstypename))==NULL){ |
199 |
+ |
return NULL; |
200 |
+ |
} |
201 |
+ |
|
202 |
+ |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->f_mntonname))==NULL){ |
203 |
+ |
return NULL; |
204 |
+ |
} |
205 |
+ |
|
206 |
+ |
disk_ptr->size = (long long)mp->f_bsize * (long long) mp->f_blocks; |
207 |
+ |
disk_ptr->avail = (long long)mp->f_bsize * (long long) mp->f_bavail; |
208 |
+ |
disk_ptr->used = (disk_ptr->size) - ((long long)mp->f_bsize * (long long)mp->f_bfree); |
209 |
+ |
|
210 |
+ |
disk_ptr->total_inodes=(long long)mp->f_files; |
211 |
+ |
disk_ptr->free_inodes=(long long)mp->f_ffree; |
212 |
+ |
/* Freebsd doesn't have a "available" inodes */ |
213 |
+ |
disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
214 |
+ |
#endif |
215 |
|
#ifdef LINUX |
216 |
|
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){ |
217 |
|
return NULL; |
267 |
|
*entries=num_disks; |
268 |
|
|
269 |
|
/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
270 |
+ |
#if defined(LINUX) || defined(SOLARIS) |
271 |
|
fclose(f); |
272 |
+ |
#endif |
273 |
|
|
274 |
|
return disk_stats; |
275 |
|
|
276 |
|
} |
208 |
– |
#ifdef SOLARIS |
277 |
|
void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){ |
278 |
|
|
279 |
|
for(diskio_stats+=start; start<end; start++){ |
312 |
|
static diskio_stat_t *diskio_stats=NULL; |
313 |
|
static int num_diskio=0; |
314 |
|
|
315 |
+ |
#ifdef LINUX |
316 |
+ |
typedef struct { |
317 |
+ |
int major; |
318 |
+ |
int minor; |
319 |
+ |
} partition; |
320 |
+ |
#endif |
321 |
+ |
|
322 |
|
diskio_stat_t *get_diskio_stats(int *entries){ |
323 |
|
|
324 |
|
static int sizeof_diskio_stats=0; |
325 |
|
diskio_stat_t *diskio_stats_ptr; |
326 |
|
|
327 |
+ |
#ifdef SOLARIS |
328 |
|
kstat_ctl_t *kc; |
329 |
|
kstat_t *ksp; |
330 |
|
kstat_io_t kios; |
331 |
+ |
#endif |
332 |
+ |
#ifdef LINUX |
333 |
+ |
FILE *f; |
334 |
+ |
char *line_ptr; |
335 |
+ |
int major, minor; |
336 |
+ |
char dev_letter; |
337 |
+ |
int has_pp_stats = 1; |
338 |
+ |
static partition *parts = NULL; |
339 |
+ |
static int alloc_parts = 0; |
340 |
+ |
int i, n; |
341 |
+ |
time_t now; |
342 |
+ |
#endif |
343 |
+ |
#ifdef FREEBSD |
344 |
+ |
static struct statinfo stats; |
345 |
+ |
static int stats_init = 0; |
346 |
+ |
int counter; |
347 |
+ |
struct device_selection *dev_sel = NULL; |
348 |
+ |
int n_selected, n_selections; |
349 |
+ |
long sel_gen; |
350 |
+ |
struct devstat *dev_ptr; |
351 |
+ |
#endif |
352 |
+ |
#ifdef NETBSD |
353 |
+ |
struct disk_sysctl *stats; |
354 |
+ |
int num_disks, i; |
355 |
+ |
int mib[3]; |
356 |
+ |
size_t size; |
357 |
+ |
#endif |
358 |
|
|
359 |
+ |
num_diskio=0; |
360 |
+ |
|
361 |
+ |
#ifdef NETBSD |
362 |
+ |
mib[0] = CTL_HW; |
363 |
+ |
mib[1] = HW_DISKSTATS; |
364 |
+ |
mib[2] = sizeof(struct disk_sysctl); |
365 |
+ |
|
366 |
+ |
if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
367 |
+ |
return NULL; |
368 |
+ |
} |
369 |
+ |
num_disks = size / sizeof(struct disk_sysctl); |
370 |
+ |
|
371 |
+ |
stats = malloc(size); |
372 |
+ |
if (stats == NULL) { |
373 |
+ |
return NULL; |
374 |
+ |
} |
375 |
+ |
|
376 |
+ |
if (sysctl(mib, 3, stats, &size, NULL, 0) < 0) { |
377 |
+ |
return NULL; |
378 |
+ |
} |
379 |
+ |
|
380 |
+ |
for (i = 0; i < num_disks; i++) { |
381 |
+ |
u_int64_t rbytes, wbytes; |
382 |
+ |
|
383 |
+ |
#ifdef HAVE_DK_RBYTES |
384 |
+ |
rbytes = stats[i].dk_rbytes; |
385 |
+ |
wbytes = stats[i].dk_wbytes; |
386 |
+ |
#else |
387 |
+ |
/* Before 1.7, NetBSD merged reads and writes. */ |
388 |
+ |
rbytes = wbytes = stats[i].dk_bytes; |
389 |
+ |
#endif |
390 |
+ |
|
391 |
+ |
/* Don't keep stats for disks that have never been used. */ |
392 |
+ |
if (rbytes == 0 && wbytes == 0) { |
393 |
+ |
continue; |
394 |
+ |
} |
395 |
+ |
|
396 |
+ |
diskio_stats = diskio_stat_malloc(num_diskio + 1, |
397 |
+ |
&sizeof_diskio_stats, |
398 |
+ |
diskio_stats); |
399 |
+ |
if (diskio_stats == NULL) { |
400 |
+ |
return NULL; |
401 |
+ |
} |
402 |
+ |
diskio_stats_ptr = diskio_stats + num_diskio; |
403 |
+ |
|
404 |
+ |
diskio_stats_ptr->read_bytes = rbytes; |
405 |
+ |
diskio_stats_ptr->write_bytes = wbytes; |
406 |
+ |
if (diskio_stats_ptr->disk_name != NULL) { |
407 |
+ |
free(diskio_stats_ptr->disk_name); |
408 |
+ |
} |
409 |
+ |
diskio_stats_ptr->disk_name = strdup(stats[i].dk_name); |
410 |
+ |
diskio_stats_ptr->systime = time(NULL); |
411 |
+ |
|
412 |
+ |
num_diskio++; |
413 |
+ |
} |
414 |
+ |
|
415 |
+ |
free(stats); |
416 |
+ |
#endif |
417 |
+ |
|
418 |
+ |
#ifdef FREEBSD |
419 |
+ |
if (!stats_init) { |
420 |
+ |
stats.dinfo=malloc(sizeof(struct devinfo)); |
421 |
+ |
if(stats.dinfo==NULL) return NULL; |
422 |
+ |
bzero(stats.dinfo, sizeof(struct devinfo)); |
423 |
+ |
stats_init = 1; |
424 |
+ |
} |
425 |
+ |
#ifdef FREEBSD5 |
426 |
+ |
if ((devstat_getdevs(NULL, &stats)) < 0) return NULL; |
427 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
428 |
+ |
* find a machine with more than 999 disks, then i'll change |
429 |
+ |
* this number :) |
430 |
+ |
*/ |
431 |
+ |
if (devstat_selectdevs(&dev_sel, &n_selected, &n_selections, &sel_gen, stats.dinfo->generation, stats.dinfo->devices, stats.dinfo->numdevs, NULL, 0, NULL, 0, DS_SELECT_ONLY, 999, 1) < 0) return NULL; |
432 |
+ |
#else |
433 |
+ |
if ((getdevs(&stats)) < 0) return NULL; |
434 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
435 |
+ |
* find a machine with more than 999 disks, then i'll change |
436 |
+ |
* this number :) |
437 |
+ |
*/ |
438 |
+ |
if (selectdevs(&dev_sel, &n_selected, &n_selections, &sel_gen, stats.dinfo->generation, stats.dinfo->devices, stats.dinfo->numdevs, NULL, 0, NULL, 0, DS_SELECT_ONLY, 999, 1) < 0) return NULL; |
439 |
+ |
#endif |
440 |
+ |
|
441 |
+ |
for(counter=0;counter<stats.dinfo->numdevs;counter++){ |
442 |
+ |
dev_ptr=&stats.dinfo->devices[dev_sel[counter].position]; |
443 |
+ |
|
444 |
+ |
/* Throw away devices that have done nothing, ever.. Eg "odd" |
445 |
+ |
* devices.. like mem, proc.. and also doesn't report floppy |
446 |
+ |
* drives etc unless they are doing stuff :) |
447 |
+ |
*/ |
448 |
+ |
#ifdef FREEBSD5 |
449 |
+ |
if((dev_ptr->bytes[DEVSTAT_READ]==0) && (dev_ptr->bytes[DEVSTAT_WRITE]==0)) continue; |
450 |
+ |
#else |
451 |
+ |
if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue; |
452 |
+ |
#endif |
453 |
+ |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
454 |
+ |
return NULL; |
455 |
+ |
} |
456 |
+ |
diskio_stats_ptr=diskio_stats+num_diskio; |
457 |
+ |
|
458 |
+ |
#ifdef FREEBSD5 |
459 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes[DEVSTAT_READ]; |
460 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes[DEVSTAT_WRITE]; |
461 |
+ |
#else |
462 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes_read; |
463 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes_written; |
464 |
+ |
#endif |
465 |
+ |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
466 |
+ |
asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number); |
467 |
+ |
diskio_stats_ptr->systime=time(NULL); |
468 |
+ |
|
469 |
+ |
num_diskio++; |
470 |
+ |
} |
471 |
+ |
free(dev_sel); |
472 |
+ |
|
473 |
+ |
#endif |
474 |
+ |
#ifdef SOLARIS |
475 |
|
if ((kc = kstat_open()) == NULL) { |
476 |
|
return NULL; |
477 |
|
} |
478 |
|
|
260 |
– |
num_diskio=0; |
261 |
– |
|
479 |
|
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
480 |
|
if (!strcmp(ksp->ks_class, "disk")) { |
481 |
|
|
498 |
|
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
499 |
|
|
500 |
|
diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
501 |
+ |
diskio_stats_ptr->systime=time(NULL); |
502 |
|
num_diskio++; |
503 |
|
} |
504 |
|
} |
505 |
|
|
506 |
|
kstat_close(kc); |
507 |
+ |
#endif |
508 |
|
|
509 |
+ |
#ifdef LINUX |
510 |
+ |
num_diskio = 0; |
511 |
+ |
n = 0; |
512 |
+ |
|
513 |
+ |
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
514 |
+ |
have statistics in here too, so we can use those directly. */ |
515 |
+ |
|
516 |
+ |
f = fopen("/proc/partitions", "r"); |
517 |
+ |
if (f == NULL) goto out; |
518 |
+ |
now = time(NULL); |
519 |
+ |
|
520 |
+ |
while ((line_ptr = f_read_line(f, "")) != NULL) { |
521 |
+ |
char name[20]; |
522 |
+ |
char *s; |
523 |
+ |
long long rsect, wsect; |
524 |
+ |
|
525 |
+ |
int nr = sscanf(line_ptr, |
526 |
+ |
" %d %d %*d %19s %*d %*d %lld %*d %*d %*d %lld", |
527 |
+ |
&major, &minor, name, &rsect, &wsect); |
528 |
+ |
if (nr < 3) continue; |
529 |
+ |
if (nr < 5) { |
530 |
+ |
has_pp_stats = 0; |
531 |
+ |
rsect = 0; |
532 |
+ |
wsect = 0; |
533 |
+ |
} |
534 |
+ |
|
535 |
+ |
/* Skip device names ending in numbers, since they're |
536 |
+ |
partitions. */ |
537 |
+ |
s = name; |
538 |
+ |
while (*s != '\0') s++; |
539 |
+ |
--s; |
540 |
+ |
if (*s >= '0' && *s <= '9') continue; |
541 |
+ |
|
542 |
+ |
diskio_stats = diskio_stat_malloc(n + 1, &sizeof_diskio_stats, |
543 |
+ |
diskio_stats); |
544 |
+ |
if (diskio_stats == NULL) goto out; |
545 |
+ |
if (n >= alloc_parts) { |
546 |
+ |
alloc_parts += 16; |
547 |
+ |
parts = realloc(parts, alloc_parts * sizeof *parts); |
548 |
+ |
if (parts == NULL) { |
549 |
+ |
alloc_parts = 0; |
550 |
+ |
goto out; |
551 |
+ |
} |
552 |
+ |
} |
553 |
+ |
|
554 |
+ |
if (diskio_stats[n].disk_name != NULL) |
555 |
+ |
free(diskio_stats[n].disk_name); |
556 |
+ |
diskio_stats[n].disk_name = strdup(name); |
557 |
+ |
diskio_stats[n].read_bytes = rsect * 512; |
558 |
+ |
diskio_stats[n].write_bytes = wsect * 512; |
559 |
+ |
diskio_stats[n].systime = now; |
560 |
+ |
parts[n].major = major; |
561 |
+ |
parts[n].minor = minor; |
562 |
+ |
|
563 |
+ |
n++; |
564 |
+ |
} |
565 |
+ |
|
566 |
+ |
if (!has_pp_stats) { |
567 |
+ |
/* This is an older kernel without stats in /proc/partitions. |
568 |
+ |
Read what we can from /proc/stat instead. */ |
569 |
+ |
|
570 |
+ |
f = fopen("/proc/stat", "r"); |
571 |
+ |
if (f == NULL) goto out; |
572 |
+ |
now = time(NULL); |
573 |
+ |
|
574 |
+ |
line_ptr = f_read_line(f, "disk_io:"); |
575 |
+ |
if (line_ptr == NULL) goto out; |
576 |
+ |
|
577 |
+ |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
578 |
+ |
long long rsect, wsect; |
579 |
+ |
|
580 |
+ |
if (*++line_ptr == '\0') break; |
581 |
+ |
|
582 |
+ |
if((sscanf(line_ptr, |
583 |
+ |
"(%d,%d):(%*d, %*d, %lld, %*d, %lld)", |
584 |
+ |
&major, &minor, &rsect, &wsect)) != 4) { |
585 |
+ |
continue; |
586 |
+ |
} |
587 |
+ |
|
588 |
+ |
/* Find the corresponding device from earlier. |
589 |
+ |
Just to add to the fun, "minor" is actually the disk |
590 |
+ |
number, not the device minor, so we need to figure |
591 |
+ |
out the real minor number based on the major! |
592 |
+ |
This list is not exhaustive; if you're running |
593 |
+ |
an older kernel you probably don't have fancy |
594 |
+ |
I2O hardware anyway... */ |
595 |
+ |
switch (major) { |
596 |
+ |
case 3: |
597 |
+ |
case 21: |
598 |
+ |
case 22: |
599 |
+ |
case 33: |
600 |
+ |
case 34: |
601 |
+ |
case 36: |
602 |
+ |
case 56: |
603 |
+ |
case 57: |
604 |
+ |
case 88: |
605 |
+ |
case 89: |
606 |
+ |
case 90: |
607 |
+ |
case 91: |
608 |
+ |
minor *= 64; |
609 |
+ |
break; |
610 |
+ |
case 9: |
611 |
+ |
case 43: |
612 |
+ |
break; |
613 |
+ |
default: |
614 |
+ |
minor *= 16; |
615 |
+ |
break; |
616 |
+ |
} |
617 |
+ |
for (i = 0; i < n; i++) { |
618 |
+ |
if (major == parts[i].major |
619 |
+ |
&& minor == parts[i].minor) |
620 |
+ |
break; |
621 |
+ |
} |
622 |
+ |
if (i == n) continue; |
623 |
+ |
|
624 |
+ |
/* We read the number of blocks. Blocks are stored in |
625 |
+ |
512 bytes */ |
626 |
+ |
diskio_stats[i].read_bytes = rsect * 512; |
627 |
+ |
diskio_stats[i].write_bytes = wsect * 512; |
628 |
+ |
diskio_stats[i].systime = now; |
629 |
+ |
} |
630 |
+ |
} |
631 |
+ |
|
632 |
+ |
num_diskio = n; |
633 |
+ |
out: |
634 |
+ |
if (f != NULL) fclose(f); |
635 |
+ |
|
636 |
+ |
#endif |
637 |
|
*entries=num_diskio; |
638 |
|
|
639 |
|
return diskio_stats; |
704 |
|
*entries=sizeof_diskio_stats_diff; |
705 |
|
return diskio_stats_diff; |
706 |
|
} |
360 |
– |
#endif |