Commit | Line | Data |
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ccf10263 MD |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * Copyright (C) 2015 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License, version 2 only, | |
7 | * as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
ccf10263 MD |
19 | #define _LGPL_SOURCE |
20 | #include <ctype.h> | |
21 | #include <popt.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <sys/stat.h> | |
26 | #include <sys/types.h> | |
27 | #include <unistd.h> | |
3ecec76a | 28 | #include <assert.h> |
ccf10263 MD |
29 | |
30 | #include <urcu/list.h> | |
31 | ||
32 | #include <common/mi-lttng.h> | |
33 | ||
34 | #include "../command.h" | |
35 | ||
36 | enum cmd_type { | |
37 | CMD_TRACK, | |
38 | CMD_UNTRACK, | |
39 | }; | |
40 | ||
83d6d6c4 JR |
41 | enum tracker_type_state { |
42 | STATE_NONE = 0, | |
43 | STATE_PID, | |
44 | STATE_VPID, | |
45 | STATE_UID, | |
46 | STATE_VUID, | |
47 | STATE_GID, | |
48 | STATE_VGID, | |
49 | }; | |
50 | ||
51 | struct opt_type { | |
52 | int used; | |
53 | int all; | |
54 | char *string; | |
55 | }; | |
56 | ||
57 | struct id_list { | |
58 | size_t nr; | |
59 | struct lttng_tracker_id *array; | |
60 | }; | |
61 | ||
ccf10263 MD |
62 | static char *opt_session_name; |
63 | static int opt_kernel; | |
64 | static int opt_userspace; | |
83d6d6c4 JR |
65 | |
66 | static struct opt_type opt_pid, opt_vpid, opt_uid, opt_vuid, opt_gid, opt_vgid; | |
67 | ||
68 | static enum tracker_type_state type_state; | |
ccf10263 MD |
69 | |
70 | enum { | |
71 | OPT_HELP = 1, | |
72 | OPT_LIST_OPTIONS, | |
73 | OPT_SESSION, | |
74 | OPT_PID, | |
83d6d6c4 JR |
75 | OPT_VPID, |
76 | OPT_UID, | |
77 | OPT_VUID, | |
78 | OPT_GID, | |
79 | OPT_VGID, | |
80 | OPT_ALL, | |
ccf10263 MD |
81 | }; |
82 | ||
83 | static struct poptOption long_options[] = { | |
84 | /* { longName, shortName, argInfo, argPtr, value, descrip, argDesc, } */ | |
85 | { "help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0, }, | |
86 | { "session", 's', POPT_ARG_STRING, &opt_session_name, OPT_SESSION, 0, 0, }, | |
87 | { "kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0, }, | |
88 | { "userspace", 'u', POPT_ARG_VAL, &opt_userspace, 1, 0, 0, }, | |
83d6d6c4 JR |
89 | { "pid", 'p', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_pid.string, OPT_PID, 0, 0, }, |
90 | { "vpid", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_vpid.string, OPT_VPID, 0, 0, }, | |
91 | { "uid", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_uid.string, OPT_UID, 0, 0, }, | |
92 | { "vuid", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_vuid.string, OPT_VUID, 0, 0, }, | |
93 | { "gid", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_gid.string, OPT_GID, 0, 0, }, | |
94 | { "vgid", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_vgid.string, OPT_VGID, 0, 0, }, | |
95 | { "all", 'a', POPT_ARG_NONE, 0, OPT_ALL, 0, 0, }, | |
ccf10263 MD |
96 | { "list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, 0, 0, }, |
97 | { 0, 0, 0, 0, 0, 0, 0, }, | |
98 | }; | |
99 | ||
83d6d6c4 | 100 | static struct id_list *alloc_id_list(size_t nr_items) |
ccf10263 | 101 | { |
83d6d6c4 JR |
102 | struct id_list *id_list; |
103 | struct lttng_tracker_id *items; | |
104 | ||
105 | id_list = zmalloc(sizeof(*id_list)); | |
106 | if (!id_list) { | |
107 | goto error; | |
108 | } | |
109 | items = zmalloc(nr_items * sizeof(*items)); | |
110 | if (!items) { | |
111 | goto error; | |
112 | } | |
113 | id_list->nr = nr_items; | |
114 | id_list->array = items; | |
115 | return id_list; | |
116 | error: | |
117 | free(id_list); | |
118 | return NULL; | |
119 | } | |
120 | ||
121 | static void free_id_list(struct id_list *list) | |
122 | { | |
123 | size_t nr_items; | |
124 | int i; | |
125 | ||
126 | if (!list) { | |
127 | return; | |
128 | } | |
129 | nr_items = list->nr; | |
130 | for (i = 0; i < nr_items; i++) { | |
131 | struct lttng_tracker_id *item = &list->array[i]; | |
132 | ||
133 | free(item->string); | |
134 | } | |
135 | free(list); | |
136 | } | |
137 | ||
138 | static int parse_id_string( | |
139 | const char *_id_string, int all, struct id_list **_id_list) | |
140 | { | |
141 | const char *one_id_str; | |
ccf10263 MD |
142 | char *iter; |
143 | int retval = CMD_SUCCESS; | |
144 | int count = 0; | |
83d6d6c4 JR |
145 | struct id_list *id_list = NULL; |
146 | char *id_string = NULL; | |
44c1a903 | 147 | char *endptr; |
ccf10263 | 148 | |
83d6d6c4 JR |
149 | if (all && _id_string) { |
150 | ERR("An empty ID string is expected with --all"); | |
ccf10263 MD |
151 | retval = CMD_ERROR; |
152 | goto error; | |
153 | } | |
83d6d6c4 JR |
154 | if (!all && !_id_string) { |
155 | ERR("An ID string is expected"); | |
ccf10263 MD |
156 | retval = CMD_ERROR; |
157 | goto error; | |
158 | } | |
159 | if (all) { | |
83d6d6c4 JR |
160 | /* Empty ID string means all IDs */ |
161 | id_list = alloc_id_list(1); | |
162 | if (!id_list) { | |
ccf10263 MD |
163 | ERR("Out of memory"); |
164 | retval = CMD_ERROR; | |
165 | goto error; | |
166 | } | |
83d6d6c4 | 167 | id_list->array[0].type = LTTNG_ID_ALL; |
ccf10263 MD |
168 | goto assign; |
169 | } | |
170 | ||
83d6d6c4 JR |
171 | id_string = strdup(_id_string); |
172 | if (!id_string) { | |
ccf10263 MD |
173 | ERR("Out of memory"); |
174 | retval = CMD_ERROR; | |
175 | goto error; | |
176 | } | |
177 | ||
178 | /* Count */ | |
83d6d6c4 JR |
179 | one_id_str = strtok_r(id_string, ",", &iter); |
180 | while (one_id_str != NULL) { | |
ccf10263 MD |
181 | unsigned long v; |
182 | ||
83d6d6c4 JR |
183 | if (isdigit(one_id_str[0])) { |
184 | errno = 0; | |
185 | v = strtoul(one_id_str, &endptr, 10); | |
186 | if ((v == 0 && errno == EINVAL) || | |
187 | (v == ULONG_MAX && errno == ERANGE) || | |
188 | (*one_id_str != '\0' && | |
189 | *endptr != '\0')) { | |
190 | ERR("Error parsing ID %s", one_id_str); | |
191 | retval = CMD_ERROR; | |
192 | goto error; | |
193 | } | |
44c1a903 | 194 | |
83d6d6c4 JR |
195 | if ((long) v > INT_MAX || (int) v < 0) { |
196 | ERR("Invalid ID value %ld", (long) v); | |
197 | retval = CMD_ERROR; | |
198 | goto error; | |
199 | } | |
ccf10263 MD |
200 | } |
201 | count++; | |
202 | ||
203 | /* For next loop */ | |
83d6d6c4 | 204 | one_id_str = strtok_r(NULL, ",", &iter); |
ccf10263 | 205 | } |
dc1c9a44 JG |
206 | if (count == 0) { |
207 | ERR("Fatal error occurred when parsing pid string"); | |
208 | retval = CMD_ERROR; | |
209 | goto error; | |
210 | } | |
ccf10263 | 211 | |
83d6d6c4 | 212 | free(id_string); |
ccf10263 | 213 | /* Identity of delimiter has been lost in first pass. */ |
83d6d6c4 JR |
214 | id_string = strdup(_id_string); |
215 | if (!id_string) { | |
ccf10263 MD |
216 | ERR("Out of memory"); |
217 | retval = CMD_ERROR; | |
218 | goto error; | |
219 | } | |
220 | ||
221 | /* Allocate */ | |
83d6d6c4 JR |
222 | id_list = alloc_id_list(count); |
223 | if (!id_list) { | |
ccf10263 MD |
224 | ERR("Out of memory"); |
225 | retval = CMD_ERROR; | |
226 | goto error; | |
227 | } | |
228 | ||
83d6d6c4 | 229 | /* Reparse string and populate the id list. */ |
ccf10263 | 230 | count = 0; |
83d6d6c4 JR |
231 | one_id_str = strtok_r(id_string, ",", &iter); |
232 | while (one_id_str != NULL) { | |
233 | struct lttng_tracker_id *item; | |
ccf10263 | 234 | |
83d6d6c4 JR |
235 | item = &id_list->array[count++]; |
236 | if (isdigit(one_id_str[0])) { | |
237 | unsigned long v; | |
238 | ||
239 | v = strtoul(one_id_str, NULL, 10); | |
240 | item->type = LTTNG_ID_VALUE; | |
241 | item->value = (int) v; | |
242 | } else { | |
243 | item->type = LTTNG_ID_STRING; | |
244 | item->string = strdup(one_id_str); | |
245 | if (!item->string) { | |
246 | PERROR("Failed to allocate ID string"); | |
247 | retval = CMD_ERROR; | |
248 | goto error; | |
249 | } | |
250 | } | |
ccf10263 MD |
251 | |
252 | /* For next loop */ | |
83d6d6c4 | 253 | one_id_str = strtok_r(NULL, ",", &iter); |
ccf10263 MD |
254 | } |
255 | ||
256 | assign: | |
83d6d6c4 | 257 | *_id_list = id_list; |
ccf10263 MD |
258 | goto end; /* SUCCESS */ |
259 | ||
260 | /* ERROR */ | |
261 | error: | |
83d6d6c4 | 262 | free_id_list(id_list); |
ccf10263 | 263 | end: |
83d6d6c4 | 264 | free(id_string); |
ccf10263 MD |
265 | return retval; |
266 | } | |
267 | ||
83d6d6c4 JR |
268 | static const char *get_tracker_str(enum lttng_tracker_type tracker_type) |
269 | { | |
270 | switch (tracker_type) { | |
271 | case LTTNG_TRACKER_PID: | |
272 | return "PID"; | |
273 | case LTTNG_TRACKER_VPID: | |
274 | return "VPID"; | |
275 | case LTTNG_TRACKER_UID: | |
276 | return "UID"; | |
277 | case LTTNG_TRACKER_VUID: | |
278 | return "VUID"; | |
279 | case LTTNG_TRACKER_GID: | |
280 | return "GID"; | |
281 | case LTTNG_TRACKER_VGID: | |
282 | return "VGID"; | |
283 | default: | |
284 | return NULL; | |
285 | } | |
286 | return NULL; | |
287 | } | |
288 | ||
ef440343 JR |
289 | static int ust_tracker_type_support(enum lttng_tracker_type *tracker_type) |
290 | { | |
291 | int ret; | |
292 | ||
293 | switch (*tracker_type) { | |
294 | case LTTNG_TRACKER_PID: | |
295 | *tracker_type = LTTNG_TRACKER_VPID; | |
296 | ret = 0; | |
297 | break; | |
298 | case LTTNG_TRACKER_VPID: | |
299 | case LTTNG_TRACKER_VUID: | |
300 | case LTTNG_TRACKER_VGID: | |
301 | ret = 0; | |
302 | break; | |
303 | case LTTNG_TRACKER_UID: | |
304 | case LTTNG_TRACKER_GID: | |
305 | ERR("The %s tracker is invalid for UST domain.", | |
306 | get_tracker_str(*tracker_type)); | |
307 | ret = -1; | |
308 | break; | |
309 | default: | |
310 | ret = -1; | |
311 | break; | |
312 | } | |
313 | ||
314 | return ret; | |
315 | } | |
316 | ||
83d6d6c4 JR |
317 | static enum cmd_error_code track_untrack_id(enum cmd_type cmd_type, |
318 | const char *cmd_str, | |
319 | const char *session_name, | |
320 | const char *id_string, | |
321 | int all, | |
322 | struct mi_writer *writer, | |
323 | enum lttng_tracker_type tracker_type) | |
ccf10263 | 324 | { |
c51da673 JG |
325 | int ret, success = 1 , i; |
326 | enum cmd_error_code retval = CMD_SUCCESS; | |
83d6d6c4 | 327 | struct id_list *id_list = NULL; |
ccf10263 MD |
328 | struct lttng_domain dom; |
329 | struct lttng_handle *handle = NULL; | |
83d6d6c4 JR |
330 | int (*cmd_func)(struct lttng_handle *handle, |
331 | enum lttng_tracker_type tracker_type, | |
332 | const struct lttng_tracker_id *id); | |
333 | const char *tracker_str; | |
ccf10263 MD |
334 | |
335 | switch (cmd_type) { | |
336 | case CMD_TRACK: | |
83d6d6c4 | 337 | cmd_func = lttng_track_id; |
ccf10263 MD |
338 | break; |
339 | case CMD_UNTRACK: | |
83d6d6c4 | 340 | cmd_func = lttng_untrack_id; |
ccf10263 MD |
341 | break; |
342 | default: | |
343 | ERR("Unknown command"); | |
344 | retval = CMD_ERROR; | |
345 | goto end; | |
346 | } | |
ccf10263 MD |
347 | memset(&dom, 0, sizeof(dom)); |
348 | if (opt_kernel) { | |
349 | dom.type = LTTNG_DOMAIN_KERNEL; | |
350 | } else if (opt_userspace) { | |
351 | dom.type = LTTNG_DOMAIN_UST; | |
ef440343 JR |
352 | ret = ust_tracker_type_support(&tracker_type); |
353 | if (ret) { | |
354 | ERR("Invalid parameter"); | |
355 | retval = CMD_ERROR; | |
356 | goto end; | |
83d6d6c4 | 357 | } |
ccf10263 | 358 | } else { |
3ecec76a PP |
359 | /* Checked by the caller. */ |
360 | assert(0); | |
ccf10263 | 361 | } |
83d6d6c4 JR |
362 | tracker_str = get_tracker_str(tracker_type); |
363 | if (!tracker_str) { | |
364 | ERR("Unknown tracker type"); | |
365 | retval = CMD_ERROR; | |
366 | goto end; | |
367 | } | |
368 | ret = parse_id_string(id_string, all, &id_list); | |
ccf10263 | 369 | if (ret != CMD_SUCCESS) { |
83d6d6c4 | 370 | ERR("Error parsing %s string", tracker_str); |
ccf10263 MD |
371 | retval = CMD_ERROR; |
372 | goto end; | |
373 | } | |
374 | ||
375 | handle = lttng_create_handle(session_name, &dom); | |
376 | if (handle == NULL) { | |
377 | retval = CMD_ERROR; | |
378 | goto end; | |
379 | } | |
380 | ||
381 | if (writer) { | |
83d6d6c4 JR |
382 | /* Open tracker_id and targets elements */ |
383 | ret = mi_lttng_id_tracker_open(writer, tracker_type); | |
ccf10263 | 384 | if (ret) { |
ccf10263 MD |
385 | goto end; |
386 | } | |
387 | } | |
388 | ||
83d6d6c4 JR |
389 | for (i = 0; i < id_list->nr; i++) { |
390 | struct lttng_tracker_id *item = &id_list->array[i]; | |
391 | ||
392 | switch (item->type) { | |
393 | case LTTNG_ID_ALL: | |
394 | DBG("%s all IDs", cmd_str); | |
395 | break; | |
396 | case LTTNG_ID_VALUE: | |
397 | DBG("%s ID %d", cmd_str, item->value); | |
398 | break; | |
399 | case LTTNG_ID_STRING: | |
400 | DBG("%s ID '%s'", cmd_str, item->string); | |
401 | break; | |
402 | default: | |
403 | retval = CMD_ERROR; | |
404 | goto end; | |
405 | } | |
406 | ret = cmd_func(handle, tracker_type, item); | |
ccf10263 | 407 | if (ret) { |
83d6d6c4 JR |
408 | char *msg = NULL; |
409 | ||
b93a4a13 | 410 | switch (-ret) { |
83d6d6c4 JR |
411 | case LTTNG_ERR_ID_TRACKED: |
412 | msg = "already tracked"; | |
b93a4a13 MJ |
413 | success = 1; |
414 | retval = CMD_SUCCESS; | |
415 | break; | |
83d6d6c4 JR |
416 | case LTTNG_ERR_ID_NOT_TRACKED: |
417 | msg = "already not tracked"; | |
b93a4a13 MJ |
418 | success = 1; |
419 | retval = CMD_SUCCESS; | |
420 | break; | |
421 | default: | |
422 | ERR("%s", lttng_strerror(ret)); | |
423 | success = 0; | |
424 | retval = CMD_ERROR; | |
425 | break; | |
426 | } | |
83d6d6c4 JR |
427 | if (msg) { |
428 | switch (item->type) { | |
429 | case LTTNG_ID_ALL: | |
430 | WARN("All %ss %s in session %s", | |
431 | tracker_str, msg, | |
432 | session_name); | |
433 | break; | |
434 | case LTTNG_ID_VALUE: | |
435 | WARN("%s %i %s in session %s", | |
436 | tracker_str, | |
437 | item->value, msg, | |
438 | session_name); | |
439 | break; | |
440 | case LTTNG_ID_STRING: | |
441 | WARN("%s '%s' %s in session %s", | |
442 | tracker_str, | |
443 | item->string, msg, | |
444 | session_name); | |
445 | break; | |
446 | default: | |
447 | retval = CMD_ERROR; | |
448 | goto end; | |
449 | } | |
450 | } | |
ebbf5ab7 | 451 | } else { |
83d6d6c4 JR |
452 | switch (item->type) { |
453 | case LTTNG_ID_ALL: | |
454 | MSG("All %ss %sed in session %s", tracker_str, | |
efcbc78c | 455 | cmd_str, session_name); |
83d6d6c4 JR |
456 | break; |
457 | case LTTNG_ID_VALUE: | |
458 | MSG("%s %i %sed in session %s", tracker_str, | |
459 | item->value, cmd_str, | |
460 | session_name); | |
461 | break; | |
462 | case LTTNG_ID_STRING: | |
463 | MSG("%s '%s' %sed in session %s", tracker_str, | |
464 | item->string, cmd_str, | |
465 | session_name); | |
466 | break; | |
467 | default: | |
468 | retval = CMD_ERROR; | |
469 | goto end; | |
efcbc78c | 470 | } |
ebbf5ab7 JR |
471 | success = 1; |
472 | } | |
473 | ||
474 | /* Mi */ | |
475 | if (writer) { | |
83d6d6c4 | 476 | ret = mi_lttng_id_target(writer, tracker_type, item, 1); |
ebbf5ab7 JR |
477 | if (ret) { |
478 | retval = CMD_ERROR; | |
479 | goto end; | |
480 | } | |
481 | ||
482 | ret = mi_lttng_writer_write_element_bool(writer, | |
483 | mi_lttng_element_success, success); | |
484 | if (ret) { | |
485 | retval = CMD_ERROR; | |
486 | goto end; | |
487 | } | |
488 | ||
489 | ret = mi_lttng_writer_close_element(writer); | |
490 | if (ret) { | |
491 | retval = CMD_ERROR; | |
492 | goto end; | |
493 | } | |
ccf10263 MD |
494 | } |
495 | } | |
496 | ||
497 | if (writer) { | |
83d6d6c4 JR |
498 | /* Close targets and tracker_id elements */ |
499 | ret = mi_lttng_close_multi_element(writer, 2); | |
ccf10263 MD |
500 | if (ret) { |
501 | retval = CMD_ERROR; | |
502 | goto end; | |
503 | } | |
504 | } | |
505 | ||
ccf10263 MD |
506 | end: |
507 | if (handle) { | |
508 | lttng_destroy_handle(handle); | |
509 | } | |
83d6d6c4 | 510 | free_id_list(id_list); |
ccf10263 MD |
511 | return retval; |
512 | } | |
513 | ||
514 | static | |
515 | const char *get_mi_element_command(enum cmd_type cmd_type) | |
516 | { | |
517 | switch (cmd_type) { | |
518 | case CMD_TRACK: | |
519 | return mi_lttng_element_command_track; | |
520 | case CMD_UNTRACK: | |
521 | return mi_lttng_element_command_untrack; | |
522 | default: | |
523 | return NULL; | |
524 | } | |
525 | } | |
526 | ||
83d6d6c4 JR |
527 | static void print_err_duplicate(const char *type) |
528 | { | |
529 | ERR("The --%s option can only be used once. A list of comma-separated values can be specified.", | |
530 | type); | |
531 | } | |
532 | ||
ccf10263 MD |
533 | /* |
534 | * Add/remove tracker to/from session. | |
535 | */ | |
536 | static | |
537 | int cmd_track_untrack(enum cmd_type cmd_type, const char *cmd_str, | |
4fc83d94 | 538 | int argc, const char **argv, const char *help_msg) |
ccf10263 | 539 | { |
c51da673 JG |
540 | int opt, ret = 0; |
541 | enum cmd_error_code command_ret = CMD_SUCCESS; | |
ccf10263 MD |
542 | int success = 1; |
543 | static poptContext pc; | |
544 | char *session_name = NULL; | |
545 | struct mi_writer *writer = NULL; | |
546 | ||
547 | if (argc < 1) { | |
c51da673 | 548 | command_ret = CMD_ERROR; |
ccf10263 MD |
549 | goto end; |
550 | } | |
551 | ||
552 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
553 | poptReadDefaultConfig(pc, 0); | |
554 | ||
555 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
556 | switch (opt) { | |
557 | case OPT_HELP: | |
4ba92f18 | 558 | SHOW_HELP(); |
ccf10263 MD |
559 | goto end; |
560 | case OPT_LIST_OPTIONS: | |
561 | list_cmd_options(stdout, long_options); | |
562 | goto end; | |
563 | case OPT_SESSION: | |
83d6d6c4 | 564 | break; |
ccf10263 | 565 | case OPT_PID: |
83d6d6c4 JR |
566 | if (opt_pid.used) { |
567 | print_err_duplicate("pid"); | |
568 | command_ret = CMD_ERROR; | |
569 | goto end; | |
570 | } | |
571 | opt_pid.used = 1; | |
572 | type_state = STATE_PID; | |
573 | break; | |
574 | case OPT_VPID: | |
575 | if (opt_vpid.used) { | |
576 | print_err_duplicate("vpid"); | |
577 | command_ret = CMD_ERROR; | |
578 | goto end; | |
579 | } | |
580 | opt_vpid.used = 1; | |
581 | type_state = STATE_VPID; | |
582 | break; | |
583 | case OPT_UID: | |
584 | if (opt_uid.used) { | |
585 | print_err_duplicate("uid"); | |
586 | command_ret = CMD_ERROR; | |
587 | goto end; | |
588 | } | |
589 | opt_uid.used = 1; | |
590 | type_state = STATE_UID; | |
591 | break; | |
592 | case OPT_VUID: | |
593 | if (opt_vuid.used) { | |
594 | print_err_duplicate("vuid"); | |
595 | command_ret = CMD_ERROR; | |
596 | goto end; | |
597 | } | |
598 | opt_vuid.used = 1; | |
599 | type_state = STATE_VUID; | |
600 | break; | |
601 | case OPT_GID: | |
602 | if (opt_gid.used) { | |
603 | print_err_duplicate("gid"); | |
604 | command_ret = CMD_ERROR; | |
605 | goto end; | |
606 | } | |
607 | opt_gid.used = 1; | |
608 | type_state = STATE_GID; | |
609 | break; | |
610 | case OPT_VGID: | |
611 | if (opt_vgid.used) { | |
612 | print_err_duplicate("vgid"); | |
613 | command_ret = CMD_ERROR; | |
614 | goto end; | |
615 | } | |
616 | opt_vgid.used = 1; | |
617 | type_state = STATE_VGID; | |
618 | break; | |
619 | case OPT_ALL: | |
620 | switch (type_state) { | |
621 | case STATE_PID: | |
622 | opt_pid.all = 1; | |
623 | break; | |
624 | case STATE_VPID: | |
625 | opt_vpid.all = 1; | |
626 | break; | |
627 | case STATE_UID: | |
628 | opt_uid.all = 1; | |
629 | break; | |
630 | case STATE_VUID: | |
631 | opt_vuid.all = 1; | |
632 | break; | |
633 | case STATE_GID: | |
634 | opt_gid.all = 1; | |
635 | break; | |
636 | case STATE_VGID: | |
637 | opt_vgid.all = 1; | |
638 | break; | |
639 | default: | |
640 | command_ret = CMD_ERROR; | |
641 | goto end; | |
642 | } | |
ccf10263 MD |
643 | break; |
644 | default: | |
c51da673 | 645 | command_ret = CMD_UNDEFINED; |
ccf10263 MD |
646 | goto end; |
647 | } | |
648 | } | |
649 | ||
3ecec76a PP |
650 | ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace); |
651 | if (ret) { | |
5061fb43 | 652 | command_ret = CMD_ERROR; |
ccf10263 MD |
653 | goto end; |
654 | } | |
655 | ||
656 | if (!opt_session_name) { | |
657 | session_name = get_session_name(); | |
658 | if (session_name == NULL) { | |
c51da673 | 659 | command_ret = CMD_ERROR; |
ccf10263 MD |
660 | goto end; |
661 | } | |
662 | } else { | |
663 | session_name = opt_session_name; | |
664 | } | |
665 | ||
ccf10263 MD |
666 | /* Mi check */ |
667 | if (lttng_opt_mi) { | |
668 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
669 | if (!writer) { | |
c51da673 | 670 | command_ret = CMD_ERROR; |
ccf10263 MD |
671 | goto end; |
672 | } | |
673 | } | |
674 | ||
675 | if (writer) { | |
676 | /* Open command element */ | |
677 | ret = mi_lttng_writer_command_open(writer, | |
678 | get_mi_element_command(cmd_type)); | |
679 | if (ret) { | |
c51da673 | 680 | command_ret = CMD_ERROR; |
ccf10263 MD |
681 | goto end; |
682 | } | |
683 | ||
684 | /* Open output element */ | |
685 | ret = mi_lttng_writer_open_element(writer, | |
686 | mi_lttng_element_command_output); | |
687 | if (ret) { | |
c51da673 | 688 | command_ret = CMD_ERROR; |
ccf10263 MD |
689 | goto end; |
690 | } | |
83d6d6c4 JR |
691 | |
692 | ret = mi_lttng_trackers_open(writer); | |
693 | if (ret) { | |
694 | goto end; | |
695 | } | |
ccf10263 MD |
696 | } |
697 | ||
83d6d6c4 JR |
698 | if (opt_pid.used) { |
699 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
700 | opt_pid.string, opt_pid.all, writer, | |
701 | LTTNG_TRACKER_PID); | |
702 | if (command_ret != CMD_SUCCESS) { | |
703 | success = 0; | |
704 | } | |
705 | } | |
706 | if (opt_vpid.used) { | |
707 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
708 | opt_vpid.string, opt_vpid.all, writer, | |
709 | LTTNG_TRACKER_VPID); | |
710 | if (command_ret != CMD_SUCCESS) { | |
711 | success = 0; | |
712 | } | |
713 | } | |
714 | if (opt_uid.used) { | |
715 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
716 | opt_uid.string, opt_uid.all, writer, | |
717 | LTTNG_TRACKER_UID); | |
718 | if (command_ret != CMD_SUCCESS) { | |
719 | success = 0; | |
720 | } | |
721 | } | |
722 | if (opt_vuid.used) { | |
723 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
724 | opt_vuid.string, opt_vuid.all, writer, | |
725 | LTTNG_TRACKER_VUID); | |
726 | if (command_ret != CMD_SUCCESS) { | |
727 | success = 0; | |
728 | } | |
729 | } | |
730 | if (opt_gid.used) { | |
731 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
732 | opt_gid.string, opt_gid.all, writer, | |
733 | LTTNG_TRACKER_GID); | |
734 | if (command_ret != CMD_SUCCESS) { | |
735 | success = 0; | |
736 | } | |
737 | } | |
738 | if (opt_vgid.used) { | |
739 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
740 | opt_vgid.string, opt_vgid.all, writer, | |
741 | LTTNG_TRACKER_VGID); | |
742 | if (command_ret != CMD_SUCCESS) { | |
743 | success = 0; | |
744 | } | |
ccf10263 MD |
745 | } |
746 | ||
747 | /* Mi closing */ | |
748 | if (writer) { | |
83d6d6c4 JR |
749 | /* Close trackers and output elements */ |
750 | ret = mi_lttng_close_multi_element(writer, 2); | |
ccf10263 | 751 | if (ret) { |
c51da673 | 752 | command_ret = CMD_ERROR; |
ccf10263 MD |
753 | goto end; |
754 | } | |
755 | ||
756 | /* Success ? */ | |
757 | ret = mi_lttng_writer_write_element_bool(writer, | |
758 | mi_lttng_element_command_success, success); | |
759 | if (ret) { | |
c51da673 | 760 | command_ret = CMD_ERROR; |
ccf10263 MD |
761 | goto end; |
762 | } | |
763 | ||
764 | /* Command element close */ | |
765 | ret = mi_lttng_writer_command_close(writer); | |
766 | if (ret) { | |
c51da673 | 767 | command_ret = CMD_ERROR; |
ccf10263 MD |
768 | goto end; |
769 | } | |
770 | } | |
771 | ||
772 | end: | |
773 | if (!opt_session_name) { | |
774 | free(session_name); | |
775 | } | |
776 | ||
777 | /* Mi clean-up */ | |
778 | if (writer && mi_lttng_writer_destroy(writer)) { | |
779 | /* Preserve original error code */ | |
c51da673 | 780 | command_ret = CMD_ERROR; |
ccf10263 MD |
781 | } |
782 | ||
ccf10263 | 783 | poptFreeContext(pc); |
c51da673 | 784 | return (int) command_ret; |
ccf10263 MD |
785 | } |
786 | ||
787 | int cmd_track(int argc, const char **argv) | |
788 | { | |
4fc83d94 PP |
789 | static const char *help_msg = |
790 | #ifdef LTTNG_EMBED_HELP | |
791 | #include <lttng-track.1.h> | |
792 | #else | |
793 | NULL | |
794 | #endif | |
795 | ; | |
796 | ||
797 | return cmd_track_untrack(CMD_TRACK, "track", argc, argv, help_msg); | |
ccf10263 MD |
798 | } |
799 | ||
800 | int cmd_untrack(int argc, const char **argv) | |
801 | { | |
4fc83d94 PP |
802 | static const char *help_msg = |
803 | #ifdef LTTNG_EMBED_HELP | |
804 | #include <lttng-untrack.1.h> | |
805 | #else | |
806 | NULL | |
807 | #endif | |
808 | ; | |
809 | ||
810 | return cmd_track_untrack(CMD_UNTRACK, "untrack", argc, argv, help_msg); | |
ccf10263 | 811 | } |