26 |
|
#endif |
27 |
|
|
28 |
|
#include "statgrab.h" |
29 |
+ |
#include "tools.h" |
30 |
+ |
#include "vector.h" |
31 |
|
#if defined(SOLARIS) || defined(LINUX) |
32 |
|
#include <stdio.h> |
33 |
|
#include <stdlib.h> |
65 |
|
#include <limits.h> |
66 |
|
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
67 |
|
#include <kvm.h> |
68 |
+ |
#include <tools.h> |
69 |
|
#endif |
70 |
|
#include <unistd.h> |
71 |
|
#endif |
72 |
|
|
73 |
< |
int get_proc_snapshot(proc_state_t **ps){ |
74 |
< |
proc_state_t *proc_state = NULL; |
75 |
< |
proc_state_t *proc_state_ptr; |
73 |
> |
static void proc_state_init(sg_process_stats *s) { |
74 |
> |
s->process_name = NULL; |
75 |
> |
s->proctitle = NULL; |
76 |
> |
} |
77 |
> |
|
78 |
> |
static void proc_state_destroy(sg_process_stats *s) { |
79 |
> |
free(s->process_name); |
80 |
> |
free(s->proctitle); |
81 |
> |
} |
82 |
> |
|
83 |
> |
sg_process_stats *sg_get_process_stats(int *entries){ |
84 |
> |
VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64, |
85 |
> |
proc_state_init, proc_state_destroy); |
86 |
|
int proc_state_size = 0; |
87 |
+ |
sg_process_stats *proc_state_ptr; |
88 |
|
#ifdef ALLBSD |
89 |
|
int mib[4]; |
90 |
|
size_t size; |
92 |
|
int procs, i; |
93 |
|
char *proctitle; |
94 |
|
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
95 |
< |
static kvm_t *kvmd; |
96 |
< |
char **args; |
97 |
< |
int alloc; |
95 |
> |
kvm_t *kvmd; |
96 |
> |
char **args, **argsp; |
97 |
> |
int argslen = 0; |
98 |
|
#else |
99 |
|
long buflen; |
100 |
|
char *p; |
113 |
|
/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */ |
114 |
|
char ps_name[4096]; |
115 |
|
char *ptr; |
116 |
< |
static char *psargs = NULL; |
103 |
< |
static int psarg_size = 0; |
116 |
> |
VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL); |
117 |
|
unsigned long stime, utime; |
118 |
|
int x; |
119 |
|
int fn; |
120 |
< |
int toread; |
121 |
< |
ssize_t size; |
109 |
< |
int t_read; |
120 |
> |
int len; |
121 |
> |
int rc; |
122 |
|
#endif |
123 |
|
|
124 |
|
if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
125 |
< |
return -1; |
125 |
> |
return NULL; |
126 |
|
} |
127 |
|
|
128 |
|
while((dir_entry=readdir(proc_dir))!=NULL){ |
143 |
|
fread(&process_info, sizeof(psinfo_t), 1, f); |
144 |
|
#endif |
145 |
|
|
146 |
< |
proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t)); |
146 |
> |
if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { |
147 |
> |
return NULL; |
148 |
> |
} |
149 |
|
proc_state_ptr = proc_state+proc_state_size; |
150 |
+ |
|
151 |
|
#ifdef SOLARIS |
152 |
|
proc_state_ptr->pid = process_info.pr_pid; |
153 |
|
proc_state_ptr->parent = process_info.pr_ppid; |
163 |
|
proc_state_ptr->process_name = strdup(process_info.pr_fname); |
164 |
|
proc_state_ptr->proctitle = strdup(process_info.pr_psargs); |
165 |
|
|
166 |
< |
if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SLEEPING; |
167 |
< |
if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = RUNNING; |
168 |
< |
if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = ZOMBIE; |
169 |
< |
if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = STOPPED; |
170 |
< |
if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = RUNNING; |
166 |
> |
if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; |
167 |
> |
if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; |
168 |
> |
if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; |
169 |
> |
if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; |
170 |
> |
if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; |
171 |
|
#endif |
172 |
|
#ifdef LINUX |
173 |
|
x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %*u %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident)); |
174 |
|
proc_state_ptr->proc_resident = proc_state_ptr->proc_resident * getpagesize(); |
175 |
< |
if(s == 'S') proc_state_ptr->state = SLEEPING; |
176 |
< |
if(s == 'R') proc_state_ptr->state = RUNNING; |
177 |
< |
if(s == 'Z') proc_state_ptr->state = ZOMBIE; |
178 |
< |
if(s == 'T') proc_state_ptr->state = STOPPED; |
179 |
< |
if(s == 'D') proc_state_ptr->state = STOPPED; |
175 |
> |
if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; |
176 |
> |
if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; |
177 |
> |
if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; |
178 |
> |
if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; |
179 |
> |
if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; |
180 |
|
|
181 |
|
/* pa_name[0] should = '(' */ |
182 |
|
ptr = strchr(&ps_name[1], ')'); |
183 |
|
if(ptr !=NULL) *ptr='\0'; |
169 |
– |
proc_state_ptr->process_name = strdup(&ps_name[1]); |
184 |
|
|
185 |
+ |
if (sg_update_string(&proc_state_ptr->process_name, |
186 |
+ |
&ps_name[1]) < 0) { |
187 |
+ |
return NULL; |
188 |
+ |
} |
189 |
+ |
|
190 |
|
/* Need to do cpu */ |
191 |
|
|
192 |
|
|
193 |
+ |
fclose(f); |
194 |
+ |
|
195 |
|
/* proctitle */ |
196 |
|
snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name); |
197 |
|
|
200 |
|
* Ah well, move onwards to the next one */ |
201 |
|
continue; |
202 |
|
} |
203 |
< |
#define PSARG_START_SIZE 128 |
204 |
< |
if(psargs == NULL){ |
205 |
< |
psargs = malloc(PSARG_START_SIZE); |
206 |
< |
psarg_size = PSARG_START_SIZE; |
203 |
> |
|
204 |
> |
#define READ_BLOCK_SIZE 128 |
205 |
> |
len = 0; |
206 |
> |
do { |
207 |
> |
if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) { |
208 |
> |
return NULL; |
209 |
> |
} |
210 |
> |
rc = read(fn, psargs + len, READ_BLOCK_SIZE); |
211 |
> |
if (rc > 0) { |
212 |
> |
len += rc; |
213 |
> |
} |
214 |
> |
} while (rc == READ_BLOCK_SIZE); |
215 |
> |
close(fn); |
216 |
> |
|
217 |
> |
if (rc == -1) { |
218 |
> |
/* Read failed; move on. */ |
219 |
> |
continue; |
220 |
|
} |
187 |
– |
ptr = psargs; |
188 |
– |
t_read = 0; |
189 |
– |
toread = psarg_size; |
190 |
– |
while((size = read(fn, ptr, toread)) == toread){ |
191 |
– |
psargs = realloc(psargs, (psarg_size + PSARG_START_SIZE)); |
192 |
– |
ptr = psargs+psarg_size; |
193 |
– |
t_read = psarg_size; |
194 |
– |
psarg_size+=PSARG_START_SIZE; |
195 |
– |
toread = PSARG_START_SIZE; |
196 |
– |
} |
197 |
– |
if(size != -1) t_read+=size; |
221 |
|
|
222 |
+ |
/* Turn \0s into spaces within the command line. */ |
223 |
|
ptr = psargs; |
224 |
< |
for(x=0; x<t_read; x++){ |
224 |
> |
for(x = 0; x < len; x++) { |
225 |
|
if (*ptr == '\0') *ptr = ' '; |
226 |
|
ptr++; |
227 |
|
} |
204 |
– |
/* for safety sake */ |
205 |
– |
psargs[t_read] = '\0'; |
228 |
|
|
229 |
< |
proc_state_ptr->proctitle = strdup(psargs); |
229 |
> |
if (len == 0) { |
230 |
> |
/* We want psargs to be NULL. */ |
231 |
> |
if (VECTOR_RESIZE(psargs, 0) < 0) { |
232 |
> |
return NULL; |
233 |
> |
} |
234 |
> |
} else { |
235 |
> |
/* Not empty, so append a \0. */ |
236 |
> |
if (VECTOR_RESIZE(psargs, len + 1) < 0) { |
237 |
> |
return NULL; |
238 |
> |
} |
239 |
> |
psargs[len] = '\0'; |
240 |
> |
} |
241 |
|
|
242 |
+ |
if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) { |
243 |
+ |
return NULL; |
244 |
+ |
} |
245 |
|
#endif |
246 |
|
|
247 |
|
proc_state_size++; |
212 |
– |
|
213 |
– |
fclose(f); |
248 |
|
} |
249 |
|
closedir(proc_dir); |
250 |
|
#endif |
264 |
|
if(kp_stats == NULL) { |
265 |
|
return NULL; |
266 |
|
} |
267 |
+ |
memset(kp_stats, 0, size); |
268 |
|
|
269 |
|
if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { |
270 |
|
free(kp_stats); |
272 |
|
} |
273 |
|
|
274 |
|
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
275 |
< |
kvmd = kvm_openfiles(_PATH_DEVNULL, _PATH_DEVNULL, NULL, O_RDONLY, NULL); |
275 |
> |
kvmd = sg_get_kvm2(); |
276 |
|
#endif |
277 |
|
|
278 |
|
for (i = 0; i < procs; i++) { |
279 |
< |
/* replace with something more sensible */ |
280 |
< |
proc_state = realloc(proc_state, |
281 |
< |
(1+proc_state_size)*sizeof(proc_state_t)); |
282 |
< |
if(proc_state == NULL ) { |
279 |
> |
const char *name; |
280 |
> |
|
281 |
> |
if (kp_stats[i].ki_stat == 0) { |
282 |
> |
/* FreeBSD 5 deliberately overallocates the array that |
283 |
> |
* the sysctl returns, so we'll get a few junk |
284 |
> |
* processes on the end that we have to ignore. (Search |
285 |
> |
* for "overestimate by 5 procs" in |
286 |
> |
* src/sys/kern/kern_proc.c for more details.) */ |
287 |
> |
continue; |
288 |
> |
} |
289 |
> |
|
290 |
> |
if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { |
291 |
|
return NULL; |
292 |
|
} |
293 |
|
proc_state_ptr = proc_state+proc_state_size; |
294 |
|
|
295 |
|
#ifdef FREEBSD5 |
296 |
< |
proc_state_ptr->process_name = |
254 |
< |
strdup(kp_stats[i].ki_comm); |
296 |
> |
name = kp_stats[i].ki_comm; |
297 |
|
#elif defined(DFBSD) |
298 |
< |
proc_state_ptr->process_name = |
257 |
< |
strdup(kp_stats[i].kp_thread.td_comm); |
298 |
> |
name = kp_stats[i].kp_thread.td_comm; |
299 |
|
#else |
300 |
< |
proc_state_ptr->process_name = |
260 |
< |
strdup(kp_stats[i].kp_proc.p_comm); |
300 |
> |
name = kp_stats[i].kp_proc.p_comm; |
301 |
|
#endif |
302 |
+ |
if (sg_update_string(&proc_state_ptr->process_name, name) < 0) { |
303 |
+ |
return NULL; |
304 |
+ |
} |
305 |
|
|
306 |
|
#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD) |
307 |
|
size = sizeof(buflen); |
334 |
|
mib[3] = KERN_PROC_ARGV; |
335 |
|
#endif |
336 |
|
|
337 |
+ |
free(proc_state_ptr->proctitle); |
338 |
|
if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) { |
339 |
|
free(proctitle); |
340 |
|
proc_state_ptr->proctitle = NULL; |
341 |
|
} |
342 |
|
else if(size > 0) { |
343 |
< |
proc_state_ptr->proctitle = malloc(size); |
343 |
> |
proc_state_ptr->proctitle = malloc(size+1); |
344 |
|
if(proc_state_ptr->proctitle == NULL) { |
345 |
|
return NULL; |
346 |
|
} |
347 |
|
p = proctitle; |
348 |
< |
proc_state_ptr->proctitle[0] = NULL; |
348 |
> |
proc_state_ptr->proctitle[0] = '\0'; |
349 |
|
do { |
350 |
< |
strncat(proc_state_ptr->proctitle, p, strlen(p)); |
351 |
< |
strncat(proc_state_ptr->proctitle, " ", 1); |
350 |
> |
sg_strlcat(proc_state_ptr->proctitle, p, size+1); |
351 |
> |
sg_strlcat(proc_state_ptr->proctitle, " ", size+1); |
352 |
|
p += strlen(p) + 1; |
353 |
|
} while (p < proctitle + size); |
354 |
|
free(proctitle); |
355 |
< |
proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = NULL; |
355 |
> |
/* remove trailing space */ |
356 |
> |
proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0'; |
357 |
|
} |
358 |
|
else { |
359 |
|
free(proctitle); |
360 |
|
proc_state_ptr->proctitle = NULL; |
361 |
|
} |
362 |
|
#else |
363 |
+ |
free(proc_state_ptr->proctitle); |
364 |
|
if(kvmd != NULL) { |
365 |
|
args = kvm_getargv(kvmd, &(kp_stats[i]), 0); |
366 |
|
if(args != NULL) { |
367 |
< |
alloc = 1; |
368 |
< |
proctitle = malloc(alloc); |
367 |
> |
argsp = args; |
368 |
> |
while(*argsp != NULL) { |
369 |
> |
argslen += strlen(*argsp) + 1; |
370 |
> |
argsp++; |
371 |
> |
} |
372 |
> |
proctitle = malloc(argslen + 1); |
373 |
> |
proctitle[0] = '\0'; |
374 |
|
if(proctitle == NULL) { |
375 |
|
return NULL; |
376 |
|
} |
377 |
|
while(*args != NULL) { |
378 |
< |
if(strlen(proctitle) + strlen(*args) >= alloc) { |
379 |
< |
alloc = (alloc + strlen(*args)) << 1; |
329 |
< |
proctitle = realloc(proctitle, alloc); |
330 |
< |
if(proctitle == NULL) { |
331 |
< |
return NULL; |
332 |
< |
} |
333 |
< |
} |
334 |
< |
strncat(proctitle, *args, strlen(*args)); |
335 |
< |
strncat(proctitle, " ", 1); |
378 |
> |
sg_strlcat(proctitle, *args, argslen + 1); |
379 |
> |
sg_strlcat(proctitle, " ", argslen + 1); |
380 |
|
args++; |
381 |
|
} |
382 |
|
/* remove trailing space */ |
383 |
< |
proctitle[strlen(proctitle)-1] = NULL; |
383 |
> |
proctitle[strlen(proctitle)-1] = '\0'; |
384 |
|
proc_state_ptr->proctitle = proctitle; |
385 |
|
} |
386 |
|
else { |
463 |
|
#ifdef SONPROC |
464 |
|
case SONPROC: /* NetBSD */ |
465 |
|
#endif |
466 |
< |
proc_state_ptr->state = RUNNING; |
466 |
> |
proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; |
467 |
|
break; |
468 |
|
case SSLEEP: |
469 |
|
#ifdef SWAIT |
472 |
|
#ifdef SLOCK |
473 |
|
case SLOCK: /* FreeBSD 5 */ |
474 |
|
#endif |
475 |
< |
proc_state_ptr->state = SLEEPING; |
475 |
> |
proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; |
476 |
|
break; |
477 |
|
case SSTOP: |
478 |
< |
proc_state_ptr->state = STOPPED; |
478 |
> |
proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; |
479 |
|
break; |
480 |
|
case SZOMB: |
481 |
|
#ifdef SDEAD |
482 |
|
case SDEAD: /* OpenBSD & NetBSD */ |
483 |
|
#endif |
484 |
< |
proc_state_ptr->state = ZOMBIE; |
484 |
> |
proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; |
485 |
|
break; |
486 |
|
default: |
487 |
< |
proc_state_ptr->state = UNKNOWN; |
487 |
> |
proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; |
488 |
|
break; |
489 |
|
} |
490 |
|
proc_state_size++; |
493 |
|
free(kp_stats); |
494 |
|
#endif |
495 |
|
|
496 |
< |
*ps = proc_state; |
497 |
< |
return proc_state_size; |
496 |
> |
#ifdef CYGWIN |
497 |
> |
return NULL; |
498 |
> |
#endif |
499 |
> |
|
500 |
> |
*entries = proc_state_size; |
501 |
> |
return proc_state; |
502 |
|
} |
503 |
|
|
504 |
< |
process_stat_t *get_process_stats() { |
505 |
< |
static process_stat_t process_stat; |
506 |
< |
proc_state_t *ps; |
504 |
> |
sg_process_count *sg_get_process_count() { |
505 |
> |
static sg_process_count process_stat; |
506 |
> |
sg_process_stats *ps; |
507 |
|
int ps_size, x; |
508 |
|
|
509 |
|
process_stat.sleeping = 0; |
512 |
|
process_stat.stopped = 0; |
513 |
|
process_stat.total = 0; |
514 |
|
|
515 |
< |
ps_size = get_proc_snapshot(&ps); |
516 |
< |
|
469 |
< |
if(ps_size == 0) { |
515 |
> |
ps = sg_get_process_stats(&ps_size); |
516 |
> |
if (ps == NULL) { |
517 |
|
return NULL; |
518 |
|
} |
519 |
|
|
520 |
|
for(x = 0; x < ps_size; x++) { |
521 |
|
switch (ps->state) { |
522 |
< |
case RUNNING: |
522 |
> |
case SG_PROCESS_STATE_RUNNING: |
523 |
|
process_stat.running++; |
524 |
|
break; |
525 |
< |
case SLEEPING: |
525 |
> |
case SG_PROCESS_STATE_SLEEPING: |
526 |
|
process_stat.sleeping++; |
527 |
|
break; |
528 |
< |
case STOPPED: |
528 |
> |
case SG_PROCESS_STATE_STOPPED: |
529 |
|
process_stat.stopped++; |
530 |
|
break; |
531 |
< |
case ZOMBIE: |
531 |
> |
case SG_PROCESS_STATE_ZOMBIE: |
532 |
|
process_stat.zombie++; |
533 |
|
break; |
534 |
|
default: |
535 |
< |
/* currently no mapping for UNKNOWN in process_stat_t */ |
535 |
> |
/* currently no mapping for SG_PROCESS_STATE_UNKNOWN in |
536 |
> |
* sg_process_count */ |
537 |
|
break; |
538 |
|
} |
539 |
|
ps++; |