22 |
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#include "config.h" |
23 |
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#endif |
24 |
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|
25 |
– |
#include "statgrab.h" |
25 |
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#include <stdlib.h> |
27 |
– |
#include <stdio.h> |
28 |
– |
#include "ukcprog.h" |
26 |
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#include <string.h> |
27 |
+ |
#include "statgrab.h" |
28 |
|
|
29 |
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#ifdef SOLARIS |
30 |
+ |
#include <stdio.h> |
31 |
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#include <sys/mnttab.h> |
33 |
– |
#include <sys/types.h> |
32 |
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#include <sys/statvfs.h> |
33 |
< |
|
33 |
> |
#include <kstat.h> |
34 |
|
#define VALID_FS_TYPES {"ufs", "tmpfs"} |
35 |
+ |
#endif |
36 |
|
|
37 |
+ |
#ifdef LINUX |
38 |
+ |
#include <stdio.h> |
39 |
+ |
#include <sys/vfs.h> |
40 |
+ |
#include <mntent.h> |
41 |
+ |
#include "tools.h" |
42 |
+ |
#define VALID_FS_TYPES {"ext2", "ext3", "xfs", "reiserfs", "vfat", "tmpfs"} |
43 |
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#endif |
44 |
|
|
45 |
|
#define START_VAL 1 |
66 |
|
|
67 |
|
disk_stats++; |
68 |
|
} |
64 |
– |
|
69 |
|
} |
70 |
|
|
71 |
|
disk_stat_t *get_disk_stats(int *entries){ |
75 |
|
|
76 |
|
char *fs_types[] = VALID_FS_TYPES; |
77 |
|
int x, valid_type; |
74 |
– |
|
78 |
|
int num_disks=0; |
76 |
– |
struct mnttab mp; |
77 |
– |
struct statvfs fs; |
79 |
|
FILE *f; |
80 |
|
|
81 |
|
disk_stat_t *disk_ptr; |
82 |
|
|
83 |
+ |
#ifdef SOLARIS |
84 |
+ |
struct mnttab *mp; |
85 |
+ |
struct statvfs fs; |
86 |
+ |
#endif |
87 |
+ |
#ifdef LINUX |
88 |
+ |
struct mntent *mp; |
89 |
+ |
struct statfs fs; |
90 |
+ |
#endif |
91 |
+ |
|
92 |
|
if(watermark==-1){ |
93 |
|
disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
94 |
|
if(disk_stats==NULL){ |
97 |
|
watermark=START_VAL; |
98 |
|
init_disk_stat(0, watermark-1, disk_stats); |
99 |
|
} |
100 |
+ |
#ifdef LINUX |
101 |
+ |
if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
102 |
+ |
return NULL; |
103 |
+ |
} |
104 |
|
|
105 |
+ |
while((mp=getmntent(f))){ |
106 |
+ |
if((statfs(mp->mnt_dir, &fs)) !=0){ |
107 |
+ |
continue; |
108 |
+ |
} |
109 |
|
|
110 |
+ |
valid_type=0; |
111 |
+ |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
112 |
+ |
if(strcmp(mp->mnt_type, fs_types[x]) ==0){ |
113 |
+ |
valid_type=1; |
114 |
+ |
break; |
115 |
+ |
} |
116 |
+ |
} |
117 |
+ |
#endif |
118 |
+ |
|
119 |
+ |
#ifdef SOLARIS |
120 |
|
if ((f=fopen("/etc/mnttab", "r" ))==NULL){ |
121 |
|
return NULL; |
122 |
|
} |
124 |
|
if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
125 |
|
continue; |
126 |
|
} |
99 |
– |
|
127 |
|
valid_type=0; |
128 |
|
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
129 |
|
if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
131 |
|
break; |
132 |
|
} |
133 |
|
} |
134 |
+ |
#endif |
135 |
|
|
136 |
|
if(valid_type){ |
137 |
|
if(num_disks>watermark-1){ |
146 |
|
} |
147 |
|
|
148 |
|
disk_ptr=disk_stats+num_disks; |
149 |
< |
|
149 |
> |
#ifdef LINUX |
150 |
> |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){ |
151 |
> |
return NULL; |
152 |
> |
} |
153 |
> |
|
154 |
> |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->mnt_type))==NULL){ |
155 |
> |
return NULL; |
156 |
> |
} |
157 |
> |
|
158 |
> |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->mnt_dir))==NULL){ |
159 |
> |
return NULL; |
160 |
> |
} |
161 |
> |
disk_ptr->size = (long long)fs.f_bsize * (long long)fs.f_blocks; |
162 |
> |
disk_ptr->avail = (long long)fs.f_bsize * (long long)fs.f_bavail; |
163 |
> |
disk_ptr->used = (disk_ptr->size) - ((long long)fs.f_bsize * (long long)fs.f_bfree); |
164 |
> |
|
165 |
> |
disk_ptr->total_inodes=(long long)fs.f_files; |
166 |
> |
disk_ptr->free_inodes=(long long)fs.f_ffree; |
167 |
> |
/* Linux doesn't have a "available" inodes */ |
168 |
> |
disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
169 |
> |
#endif |
170 |
> |
|
171 |
> |
#ifdef SOLARIS |
172 |
|
/* Memory leak in event of realloc failing */ |
173 |
|
/* Maybe make this char[bigenough] and do strncpy's and put a null in the end? |
174 |
< |
Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE woul prob be upwards |
175 |
< |
of a k each */ |
174 |
> |
* Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE would prob |
175 |
> |
* be upwards of a k each |
176 |
> |
*/ |
177 |
|
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp.mnt_special))==NULL){ |
178 |
|
return NULL; |
179 |
|
} |
193 |
|
disk_ptr->total_inodes=(long long)fs.f_files; |
194 |
|
disk_ptr->used_inodes=disk_ptr->total_inodes - (long long)fs.f_ffree; |
195 |
|
disk_ptr->free_inodes=(long long)fs.f_favail; |
196 |
< |
|
196 |
> |
#endif |
197 |
|
num_disks++; |
198 |
|
} |
199 |
|
} |
205 |
|
|
206 |
|
return disk_stats; |
207 |
|
|
208 |
+ |
} |
209 |
+ |
void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){ |
210 |
+ |
|
211 |
+ |
for(diskio_stats+=start; start<end; start++){ |
212 |
+ |
diskio_stats->disk_name=NULL; |
213 |
+ |
|
214 |
+ |
diskio_stats++; |
215 |
+ |
} |
216 |
+ |
} |
217 |
+ |
|
218 |
+ |
diskio_stat_t *diskio_stat_malloc(int needed_entries, int *cur_entries, diskio_stat_t *diskio_stats){ |
219 |
+ |
|
220 |
+ |
if(diskio_stats==NULL){ |
221 |
+ |
|
222 |
+ |
if((diskio_stats=malloc(needed_entries * sizeof(diskio_stat_t)))==NULL){ |
223 |
+ |
return NULL; |
224 |
+ |
} |
225 |
+ |
diskio_stat_init(0, needed_entries, diskio_stats); |
226 |
+ |
*cur_entries=needed_entries; |
227 |
+ |
|
228 |
+ |
return diskio_stats; |
229 |
+ |
} |
230 |
+ |
|
231 |
+ |
|
232 |
+ |
if(*cur_entries<needed_entries){ |
233 |
+ |
diskio_stats=realloc(diskio_stats, (sizeof(diskio_stat_t)*needed_entries)); |
234 |
+ |
if(diskio_stats==NULL){ |
235 |
+ |
return NULL; |
236 |
+ |
} |
237 |
+ |
diskio_stat_init(*cur_entries, needed_entries, diskio_stats); |
238 |
+ |
*cur_entries=needed_entries; |
239 |
+ |
} |
240 |
+ |
|
241 |
+ |
return diskio_stats; |
242 |
+ |
} |
243 |
+ |
|
244 |
+ |
static diskio_stat_t *diskio_stats=NULL; |
245 |
+ |
static int num_diskio=0; |
246 |
+ |
|
247 |
+ |
diskio_stat_t *get_diskio_stats(int *entries){ |
248 |
+ |
|
249 |
+ |
static int sizeof_diskio_stats=0; |
250 |
+ |
diskio_stat_t *diskio_stats_ptr; |
251 |
+ |
|
252 |
+ |
#ifdef SOLARIS |
253 |
+ |
kstat_ctl_t *kc; |
254 |
+ |
kstat_t *ksp; |
255 |
+ |
kstat_io_t kios; |
256 |
+ |
#endif |
257 |
+ |
#ifdef LINUX |
258 |
+ |
FILE *f; |
259 |
+ |
char *line_ptr; |
260 |
+ |
int major, minor; |
261 |
+ |
char dev_letter; |
262 |
+ |
#endif |
263 |
+ |
|
264 |
+ |
num_diskio=0; |
265 |
+ |
|
266 |
+ |
#ifdef SOLARIS |
267 |
+ |
if ((kc = kstat_open()) == NULL) { |
268 |
+ |
return NULL; |
269 |
+ |
} |
270 |
+ |
|
271 |
+ |
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
272 |
+ |
if (!strcmp(ksp->ks_class, "disk")) { |
273 |
+ |
|
274 |
+ |
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
275 |
+ |
/* We dont want metadevices appearins as num_diskio */ |
276 |
+ |
if(strcmp(ksp->ks_module, "md")==0) continue; |
277 |
+ |
if((kstat_read(kc, ksp, &kios))==-1){ |
278 |
+ |
} |
279 |
+ |
|
280 |
+ |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
281 |
+ |
kstat_close(kc); |
282 |
+ |
return NULL; |
283 |
+ |
} |
284 |
+ |
diskio_stats_ptr=diskio_stats+num_diskio; |
285 |
+ |
|
286 |
+ |
diskio_stats_ptr->read_bytes=kios.nread; |
287 |
+ |
|
288 |
+ |
diskio_stats_ptr->write_bytes=kios.nwritten; |
289 |
+ |
|
290 |
+ |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
291 |
+ |
|
292 |
+ |
diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
293 |
+ |
num_diskio++; |
294 |
+ |
} |
295 |
+ |
} |
296 |
+ |
|
297 |
+ |
kstat_close(kc); |
298 |
+ |
#endif |
299 |
+ |
|
300 |
+ |
#ifdef LINUX |
301 |
+ |
f=fopen("/proc/stat", "r"); |
302 |
+ |
if(f==NULL){ |
303 |
+ |
return NULL; |
304 |
+ |
} |
305 |
+ |
if((line_ptr=f_read_line(f, "disk_io:"))==NULL){ |
306 |
+ |
return NULL; |
307 |
+ |
} |
308 |
+ |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
309 |
+ |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
310 |
+ |
fclose(f); |
311 |
+ |
return NULL; |
312 |
+ |
} |
313 |
+ |
diskio_stats_ptr=diskio_stats+num_diskio; |
314 |
+ |
|
315 |
+ |
|
316 |
+ |
sscanf(line_ptr, "(%d,%d):(%*d, %lld, %*d, %lld, %*d)", \ |
317 |
+ |
&major, \ |
318 |
+ |
&minor, \ |
319 |
+ |
&diskio_stats_ptr->read_bytes, \ |
320 |
+ |
&diskio_stats_ptr->write_bytes); |
321 |
+ |
|
322 |
+ |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
323 |
+ |
|
324 |
+ |
switch(major){ |
325 |
+ |
case 3: |
326 |
+ |
if(minor==0){ |
327 |
+ |
diskio_stats_ptr->disk_name=strdup("hda"); |
328 |
+ |
}else{ |
329 |
+ |
diskio_stats_ptr->disk_name=strdup("hdb"); |
330 |
+ |
} |
331 |
+ |
break; |
332 |
+ |
|
333 |
+ |
case 22: |
334 |
+ |
if(minor==0){ |
335 |
+ |
diskio_stats_ptr->disk_name=strdup("hdc"); |
336 |
+ |
}else{ |
337 |
+ |
diskio_stats_ptr->disk_name=strdup("hdd"); |
338 |
+ |
} |
339 |
+ |
case 8: |
340 |
+ |
dev_letter='a'+(minor/16); |
341 |
+ |
diskio_stats_ptr->disk_name=malloc(4); |
342 |
+ |
snprintf(diskio_stats_ptr->disk_name, 4, "sd%c", dev_letter); |
343 |
+ |
default: |
344 |
+ |
/* I have no idea what it is then :) */ |
345 |
+ |
diskio_stats_ptr->disk_name=malloc(16); |
346 |
+ |
snprintf(diskio_stats_ptr->disk_name, 16, "%d %d", major, minor); |
347 |
+ |
} |
348 |
+ |
|
349 |
+ |
num_diskio++; |
350 |
+ |
} |
351 |
+ |
|
352 |
+ |
#endif |
353 |
+ |
*entries=num_diskio; |
354 |
+ |
|
355 |
+ |
return diskio_stats; |
356 |
+ |
} |
357 |
+ |
|
358 |
+ |
diskio_stat_t *get_diskio_stats_diff(int *entries){ |
359 |
+ |
static diskio_stat_t *diskio_stats_diff=NULL; |
360 |
+ |
static int sizeof_diskio_stats_diff=0; |
361 |
+ |
diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr; |
362 |
+ |
int disks, x, y; |
363 |
+ |
|
364 |
+ |
if(diskio_stats==NULL){ |
365 |
+ |
diskio_stats_ptr=get_diskio_stats(&disks); |
366 |
+ |
*entries=disks; |
367 |
+ |
return diskio_stats_ptr; |
368 |
+ |
} |
369 |
+ |
|
370 |
+ |
diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff); |
371 |
+ |
if(diskio_stats_diff==NULL){ |
372 |
+ |
return NULL; |
373 |
+ |
} |
374 |
+ |
|
375 |
+ |
diskio_stats_diff_ptr=diskio_stats_diff; |
376 |
+ |
diskio_stats_ptr=diskio_stats; |
377 |
+ |
|
378 |
+ |
for(disks=0;disks<num_diskio;disks++){ |
379 |
+ |
if(diskio_stats_diff_ptr->disk_name!=NULL){ |
380 |
+ |
free(diskio_stats_diff_ptr->disk_name); |
381 |
+ |
} |
382 |
+ |
diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name); |
383 |
+ |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes; |
384 |
+ |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes; |
385 |
+ |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime; |
386 |
+ |
|
387 |
+ |
diskio_stats_diff_ptr++; |
388 |
+ |
diskio_stats_ptr++; |
389 |
+ |
} |
390 |
+ |
|
391 |
+ |
diskio_stats_ptr=get_diskio_stats(&disks); |
392 |
+ |
diskio_stats_diff_ptr=diskio_stats_diff; |
393 |
+ |
|
394 |
+ |
for(x=0;x<sizeof_diskio_stats_diff;x++){ |
395 |
+ |
|
396 |
+ |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
397 |
+ |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
398 |
+ |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
399 |
+ |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
400 |
+ |
}else{ |
401 |
+ |
diskio_stats_ptr=diskio_stats; |
402 |
+ |
for(y=0;y<disks;y++){ |
403 |
+ |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
404 |
+ |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
405 |
+ |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
406 |
+ |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
407 |
+ |
|
408 |
+ |
break; |
409 |
+ |
} |
410 |
+ |
|
411 |
+ |
diskio_stats_ptr++; |
412 |
+ |
} |
413 |
+ |
} |
414 |
+ |
|
415 |
+ |
diskio_stats_ptr++; |
416 |
+ |
diskio_stats_diff_ptr++; |
417 |
+ |
|
418 |
+ |
} |
419 |
+ |
|
420 |
+ |
*entries=sizeof_diskio_stats_diff; |
421 |
+ |
return diskio_stats_diff; |
422 |
|
} |