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> |
70 |
|
#include <unistd.h> |
71 |
|
#endif |
72 |
|
|
73 |
+ |
static void proc_state_init(proc_state_t *s) { |
74 |
+ |
s->process_name = NULL; |
75 |
+ |
s->proctitle = NULL; |
76 |
+ |
} |
77 |
+ |
|
78 |
+ |
static void proc_state_destroy(proc_state_t *s) { |
79 |
+ |
free(s->process_name); |
80 |
+ |
free(s->proctitle); |
81 |
+ |
} |
82 |
+ |
|
83 |
|
int get_proc_snapshot(proc_state_t **ps){ |
84 |
< |
proc_state_t *proc_state = NULL; |
85 |
< |
proc_state_t *proc_state_ptr; |
84 |
> |
VECTOR_DECLARE_STATIC(proc_state, proc_state_t, 64, |
85 |
> |
proc_state_init, proc_state_destroy); |
86 |
|
int proc_state_size = 0; |
87 |
+ |
proc_state_t *proc_state_ptr; |
88 |
|
#ifdef ALLBSD |
89 |
|
int mib[4]; |
90 |
|
size_t size; |
114 |
|
/* If someone has a executable of 4k filename length, they deserve to get it truncated :) */ |
115 |
|
char ps_name[4096]; |
116 |
|
char *ptr; |
117 |
< |
static char *psargs = NULL; |
105 |
< |
static int psarg_size = 0; |
117 |
> |
VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL); |
118 |
|
unsigned long stime, utime; |
119 |
|
int x; |
120 |
|
int fn; |
121 |
< |
int toread; |
122 |
< |
ssize_t size; |
111 |
< |
int t_read; |
121 |
> |
int len; |
122 |
> |
int rc; |
123 |
|
#endif |
124 |
|
|
125 |
|
if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
144 |
|
fread(&process_info, sizeof(psinfo_t), 1, f); |
145 |
|
#endif |
146 |
|
|
147 |
< |
proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t)); |
147 |
> |
if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { |
148 |
> |
return -1; |
149 |
> |
} |
150 |
|
proc_state_ptr = proc_state+proc_state_size; |
151 |
+ |
|
152 |
|
#ifdef SOLARIS |
153 |
|
proc_state_ptr->pid = process_info.pr_pid; |
154 |
|
proc_state_ptr->parent = process_info.pr_ppid; |
182 |
|
/* pa_name[0] should = '(' */ |
183 |
|
ptr = strchr(&ps_name[1], ')'); |
184 |
|
if(ptr !=NULL) *ptr='\0'; |
171 |
– |
proc_state_ptr->process_name = strdup(&ps_name[1]); |
185 |
|
|
186 |
+ |
if (update_string(&proc_state_ptr->process_name, |
187 |
+ |
&ps_name[1]) == NULL) { |
188 |
+ |
return -1; |
189 |
+ |
} |
190 |
+ |
|
191 |
|
/* Need to do cpu */ |
192 |
|
|
193 |
|
|
194 |
+ |
fclose(f); |
195 |
+ |
|
196 |
|
/* proctitle */ |
197 |
|
snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name); |
198 |
|
|
201 |
|
* Ah well, move onwards to the next one */ |
202 |
|
continue; |
203 |
|
} |
204 |
< |
#define PSARG_START_SIZE 128 |
205 |
< |
if(psargs == NULL){ |
206 |
< |
psargs = malloc(PSARG_START_SIZE); |
207 |
< |
psarg_size = PSARG_START_SIZE; |
204 |
> |
|
205 |
> |
#define READ_BLOCK_SIZE 128 |
206 |
> |
len = 0; |
207 |
> |
do { |
208 |
> |
if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE + 1) < 0) { |
209 |
> |
return -1; |
210 |
> |
} |
211 |
> |
rc = read(fn, psargs + len, READ_BLOCK_SIZE); |
212 |
> |
if (rc > 0) { |
213 |
> |
len += rc; |
214 |
> |
} |
215 |
> |
} while (rc == READ_BLOCK_SIZE); |
216 |
> |
close(fn); |
217 |
> |
|
218 |
> |
if (rc == -1) { |
219 |
> |
/* Read failed; move on. */ |
220 |
> |
continue; |
221 |
|
} |
189 |
– |
ptr = psargs; |
190 |
– |
t_read = 0; |
191 |
– |
toread = psarg_size; |
192 |
– |
while((size = read(fn, ptr, toread)) == toread){ |
193 |
– |
psargs = realloc(psargs, (psarg_size + PSARG_START_SIZE)); |
194 |
– |
ptr = psargs+psarg_size; |
195 |
– |
t_read = psarg_size; |
196 |
– |
psarg_size+=PSARG_START_SIZE; |
197 |
– |
toread = PSARG_START_SIZE; |
198 |
– |
} |
199 |
– |
if(size != -1) t_read+=size; |
222 |
|
|
223 |
+ |
/* Turn \0s into spaces within the command line. */ |
224 |
|
ptr = psargs; |
225 |
< |
for(x=0; x<t_read; x++){ |
225 |
> |
for(x = 0; x < len; x++) { |
226 |
|
if (*ptr == '\0') *ptr = ' '; |
227 |
|
ptr++; |
228 |
|
} |
229 |
< |
/* for safety sake */ |
230 |
< |
psargs[t_read] = '\0'; |
229 |
> |
/* for safety's sake */ |
230 |
> |
psargs[len] = '\0'; |
231 |
|
|
232 |
< |
proc_state_ptr->proctitle = strdup(psargs); |
233 |
< |
|
232 |
> |
if (update_string(&proc_state_ptr->proctitle, psargs) == NULL) { |
233 |
> |
return -1; |
234 |
> |
} |
235 |
|
#endif |
236 |
|
|
237 |
|
proc_state_size++; |
214 |
– |
|
215 |
– |
fclose(f); |
238 |
|
} |
239 |
|
closedir(proc_dir); |
240 |
|
#endif |
245 |
|
mib[2] = KERN_PROC_ALL; |
246 |
|
|
247 |
|
if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
248 |
< |
return NULL; |
248 |
> |
return -1; |
249 |
|
} |
250 |
|
|
251 |
|
procs = size / sizeof(struct kinfo_proc); |
252 |
|
|
253 |
|
kp_stats = malloc(size); |
254 |
|
if(kp_stats == NULL) { |
255 |
< |
return NULL; |
255 |
> |
return -1; |
256 |
|
} |
257 |
|
|
258 |
|
if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { |
259 |
|
free(kp_stats); |
260 |
< |
return NULL; |
260 |
> |
return -1; |
261 |
|
} |
262 |
|
|
263 |
|
#if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) |
265 |
|
#endif |
266 |
|
|
267 |
|
for (i = 0; i < procs; i++) { |
268 |
< |
/* replace with something more sensible */ |
269 |
< |
proc_state = realloc(proc_state, |
270 |
< |
(1+proc_state_size)*sizeof(proc_state_t)); |
271 |
< |
if(proc_state == NULL ) { |
250 |
< |
return NULL; |
268 |
> |
const char *name; |
269 |
> |
|
270 |
> |
if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { |
271 |
> |
return -1; |
272 |
|
} |
273 |
|
proc_state_ptr = proc_state+proc_state_size; |
274 |
|
|
275 |
|
#ifdef FREEBSD5 |
276 |
< |
proc_state_ptr->process_name = |
256 |
< |
strdup(kp_stats[i].ki_comm); |
276 |
> |
name = kp_stats[i].ki_comm; |
277 |
|
#elif defined(DFBSD) |
278 |
< |
proc_state_ptr->process_name = |
259 |
< |
strdup(kp_stats[i].kp_thread.td_comm); |
278 |
> |
name = kp_stats[i].kp_thread.td_comm; |
279 |
|
#else |
280 |
< |
proc_state_ptr->process_name = |
262 |
< |
strdup(kp_stats[i].kp_proc.p_comm); |
280 |
> |
name = kp_stats[i].kp_proc.p_comm; |
281 |
|
#endif |
282 |
+ |
if (update_string(&proc_state_ptr->process_name, name) == NULL) { |
283 |
+ |
return -1; |
284 |
+ |
} |
285 |
|
|
286 |
|
#if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD) |
287 |
|
size = sizeof(buflen); |
288 |
|
|
289 |
|
#ifdef FREEBSD5 |
290 |
|
if(sysctlbyname("kern.ps_arg_cache_limit", &buflen, &size, NULL, 0) < 0) { |
291 |
< |
return NULL; |
291 |
> |
return -1; |
292 |
|
} |
293 |
|
#else |
294 |
|
mib[1] = KERN_ARGMAX; |
295 |
|
|
296 |
|
if(sysctl(mib, 2, &buflen, &size, NULL, 0) < 0) { |
297 |
< |
return NULL; |
297 |
> |
return -1; |
298 |
|
} |
299 |
|
#endif |
300 |
|
|
301 |
|
proctitle = malloc(buflen); |
302 |
|
if(proctitle == NULL) { |
303 |
< |
return NULL; |
303 |
> |
return -1; |
304 |
|
} |
305 |
|
|
306 |
|
size = buflen; |
314 |
|
mib[3] = KERN_PROC_ARGV; |
315 |
|
#endif |
316 |
|
|
317 |
+ |
free(proc_state_ptr->proctitle); |
318 |
|
if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) { |
319 |
|
free(proctitle); |
320 |
|
proc_state_ptr->proctitle = NULL; |
322 |
|
else if(size > 0) { |
323 |
|
proc_state_ptr->proctitle = malloc(size+1); |
324 |
|
if(proc_state_ptr->proctitle == NULL) { |
325 |
< |
return NULL; |
325 |
> |
return -1; |
326 |
|
} |
327 |
|
p = proctitle; |
328 |
< |
proc_state_ptr->proctitle[0] = NULL; |
328 |
> |
proc_state_ptr->proctitle[0] = '\0'; |
329 |
|
do { |
330 |
|
strlcat(proc_state_ptr->proctitle, p, size+1); |
331 |
|
strlcat(proc_state_ptr->proctitle, " ", size+1); |
340 |
|
proc_state_ptr->proctitle = NULL; |
341 |
|
} |
342 |
|
#else |
343 |
+ |
free(proc_state_ptr->proctitle); |
344 |
|
if(kvmd != NULL) { |
345 |
|
args = kvm_getargv(kvmd, &(kp_stats[i]), 0); |
346 |
|
if(args != NULL) { |
347 |
|
alloc = 1; |
348 |
|
proctitle = malloc(alloc); |
349 |
|
if(proctitle == NULL) { |
350 |
< |
return NULL; |
350 |
> |
return -1; |
351 |
|
} |
352 |
+ |
proctitle[0] = '\0'; |
353 |
|
while(*args != NULL) { |
354 |
|
if(strlen(proctitle) + strlen(*args) >= alloc) { |
355 |
|
alloc = (alloc + strlen(*args)) * 2; |
356 |
|
proctitletmp = realloc(proctitle, alloc); |
357 |
|
if(proctitletmp == NULL) { |
358 |
< |
return NULL; |
358 |
> |
free(proctitle); |
359 |
> |
return -1; |
360 |
|
} |
361 |
|
proctitle = proctitletmp; |
362 |
|
} |
478 |
|
free(kp_stats); |
479 |
|
#endif |
480 |
|
|
481 |
+ |
#ifdef CYGWIN |
482 |
+ |
return -1; |
483 |
+ |
#endif |
484 |
+ |
|
485 |
|
*ps = proc_state; |
486 |
|
return proc_state_size; |
487 |
|
} |
499 |
|
|
500 |
|
ps_size = get_proc_snapshot(&ps); |
501 |
|
|
502 |
< |
if(ps_size == 0) { |
502 |
> |
if(ps_size < 0) { |
503 |
|
return NULL; |
504 |
|
} |
505 |
|
|