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 | ||
289 | static enum cmd_error_code track_untrack_id(enum cmd_type cmd_type, | |
290 | const char *cmd_str, | |
291 | const char *session_name, | |
292 | const char *id_string, | |
293 | int all, | |
294 | struct mi_writer *writer, | |
295 | enum lttng_tracker_type tracker_type) | |
ccf10263 | 296 | { |
c51da673 JG |
297 | int ret, success = 1 , i; |
298 | enum cmd_error_code retval = CMD_SUCCESS; | |
83d6d6c4 | 299 | struct id_list *id_list = NULL; |
ccf10263 MD |
300 | struct lttng_domain dom; |
301 | struct lttng_handle *handle = NULL; | |
83d6d6c4 JR |
302 | int (*cmd_func)(struct lttng_handle *handle, |
303 | enum lttng_tracker_type tracker_type, | |
304 | const struct lttng_tracker_id *id); | |
305 | const char *tracker_str; | |
ccf10263 MD |
306 | |
307 | switch (cmd_type) { | |
308 | case CMD_TRACK: | |
83d6d6c4 | 309 | cmd_func = lttng_track_id; |
ccf10263 MD |
310 | break; |
311 | case CMD_UNTRACK: | |
83d6d6c4 | 312 | cmd_func = lttng_untrack_id; |
ccf10263 MD |
313 | break; |
314 | default: | |
315 | ERR("Unknown command"); | |
316 | retval = CMD_ERROR; | |
317 | goto end; | |
318 | } | |
ccf10263 MD |
319 | memset(&dom, 0, sizeof(dom)); |
320 | if (opt_kernel) { | |
321 | dom.type = LTTNG_DOMAIN_KERNEL; | |
322 | } else if (opt_userspace) { | |
323 | dom.type = LTTNG_DOMAIN_UST; | |
83d6d6c4 JR |
324 | if (tracker_type == LTTNG_TRACKER_PID) { |
325 | tracker_type = LTTNG_TRACKER_VPID; | |
326 | } | |
ccf10263 | 327 | } else { |
3ecec76a PP |
328 | /* Checked by the caller. */ |
329 | assert(0); | |
ccf10263 | 330 | } |
83d6d6c4 JR |
331 | tracker_str = get_tracker_str(tracker_type); |
332 | if (!tracker_str) { | |
333 | ERR("Unknown tracker type"); | |
334 | retval = CMD_ERROR; | |
335 | goto end; | |
336 | } | |
337 | ret = parse_id_string(id_string, all, &id_list); | |
ccf10263 | 338 | if (ret != CMD_SUCCESS) { |
83d6d6c4 | 339 | ERR("Error parsing %s string", tracker_str); |
ccf10263 MD |
340 | retval = CMD_ERROR; |
341 | goto end; | |
342 | } | |
343 | ||
344 | handle = lttng_create_handle(session_name, &dom); | |
345 | if (handle == NULL) { | |
346 | retval = CMD_ERROR; | |
347 | goto end; | |
348 | } | |
349 | ||
350 | if (writer) { | |
83d6d6c4 JR |
351 | /* Open tracker_id and targets elements */ |
352 | ret = mi_lttng_id_tracker_open(writer, tracker_type); | |
ccf10263 | 353 | if (ret) { |
ccf10263 MD |
354 | goto end; |
355 | } | |
356 | } | |
357 | ||
83d6d6c4 JR |
358 | for (i = 0; i < id_list->nr; i++) { |
359 | struct lttng_tracker_id *item = &id_list->array[i]; | |
360 | ||
361 | switch (item->type) { | |
362 | case LTTNG_ID_ALL: | |
363 | DBG("%s all IDs", cmd_str); | |
364 | break; | |
365 | case LTTNG_ID_VALUE: | |
366 | DBG("%s ID %d", cmd_str, item->value); | |
367 | break; | |
368 | case LTTNG_ID_STRING: | |
369 | DBG("%s ID '%s'", cmd_str, item->string); | |
370 | break; | |
371 | default: | |
372 | retval = CMD_ERROR; | |
373 | goto end; | |
374 | } | |
375 | ret = cmd_func(handle, tracker_type, item); | |
ccf10263 | 376 | if (ret) { |
83d6d6c4 JR |
377 | char *msg = NULL; |
378 | ||
b93a4a13 | 379 | switch (-ret) { |
83d6d6c4 JR |
380 | case LTTNG_ERR_ID_TRACKED: |
381 | msg = "already tracked"; | |
b93a4a13 MJ |
382 | success = 1; |
383 | retval = CMD_SUCCESS; | |
384 | break; | |
83d6d6c4 JR |
385 | case LTTNG_ERR_ID_NOT_TRACKED: |
386 | msg = "already not tracked"; | |
b93a4a13 MJ |
387 | success = 1; |
388 | retval = CMD_SUCCESS; | |
389 | break; | |
390 | default: | |
391 | ERR("%s", lttng_strerror(ret)); | |
392 | success = 0; | |
393 | retval = CMD_ERROR; | |
394 | break; | |
395 | } | |
83d6d6c4 JR |
396 | if (msg) { |
397 | switch (item->type) { | |
398 | case LTTNG_ID_ALL: | |
399 | WARN("All %ss %s in session %s", | |
400 | tracker_str, msg, | |
401 | session_name); | |
402 | break; | |
403 | case LTTNG_ID_VALUE: | |
404 | WARN("%s %i %s in session %s", | |
405 | tracker_str, | |
406 | item->value, msg, | |
407 | session_name); | |
408 | break; | |
409 | case LTTNG_ID_STRING: | |
410 | WARN("%s '%s' %s in session %s", | |
411 | tracker_str, | |
412 | item->string, msg, | |
413 | session_name); | |
414 | break; | |
415 | default: | |
416 | retval = CMD_ERROR; | |
417 | goto end; | |
418 | } | |
419 | } | |
ebbf5ab7 | 420 | } else { |
83d6d6c4 JR |
421 | switch (item->type) { |
422 | case LTTNG_ID_ALL: | |
423 | MSG("All %ss %sed in session %s", tracker_str, | |
efcbc78c | 424 | cmd_str, session_name); |
83d6d6c4 JR |
425 | break; |
426 | case LTTNG_ID_VALUE: | |
427 | MSG("%s %i %sed in session %s", tracker_str, | |
428 | item->value, cmd_str, | |
429 | session_name); | |
430 | break; | |
431 | case LTTNG_ID_STRING: | |
432 | MSG("%s '%s' %sed in session %s", tracker_str, | |
433 | item->string, cmd_str, | |
434 | session_name); | |
435 | break; | |
436 | default: | |
437 | retval = CMD_ERROR; | |
438 | goto end; | |
efcbc78c | 439 | } |
ebbf5ab7 JR |
440 | success = 1; |
441 | } | |
442 | ||
443 | /* Mi */ | |
444 | if (writer) { | |
83d6d6c4 | 445 | ret = mi_lttng_id_target(writer, tracker_type, item, 1); |
ebbf5ab7 JR |
446 | if (ret) { |
447 | retval = CMD_ERROR; | |
448 | goto end; | |
449 | } | |
450 | ||
451 | ret = mi_lttng_writer_write_element_bool(writer, | |
452 | mi_lttng_element_success, success); | |
453 | if (ret) { | |
454 | retval = CMD_ERROR; | |
455 | goto end; | |
456 | } | |
457 | ||
458 | ret = mi_lttng_writer_close_element(writer); | |
459 | if (ret) { | |
460 | retval = CMD_ERROR; | |
461 | goto end; | |
462 | } | |
ccf10263 MD |
463 | } |
464 | } | |
465 | ||
466 | if (writer) { | |
83d6d6c4 JR |
467 | /* Close targets and tracker_id elements */ |
468 | ret = mi_lttng_close_multi_element(writer, 2); | |
ccf10263 MD |
469 | if (ret) { |
470 | retval = CMD_ERROR; | |
471 | goto end; | |
472 | } | |
473 | } | |
474 | ||
ccf10263 MD |
475 | end: |
476 | if (handle) { | |
477 | lttng_destroy_handle(handle); | |
478 | } | |
83d6d6c4 | 479 | free_id_list(id_list); |
ccf10263 MD |
480 | return retval; |
481 | } | |
482 | ||
483 | static | |
484 | const char *get_mi_element_command(enum cmd_type cmd_type) | |
485 | { | |
486 | switch (cmd_type) { | |
487 | case CMD_TRACK: | |
488 | return mi_lttng_element_command_track; | |
489 | case CMD_UNTRACK: | |
490 | return mi_lttng_element_command_untrack; | |
491 | default: | |
492 | return NULL; | |
493 | } | |
494 | } | |
495 | ||
83d6d6c4 JR |
496 | static void print_err_duplicate(const char *type) |
497 | { | |
498 | ERR("The --%s option can only be used once. A list of comma-separated values can be specified.", | |
499 | type); | |
500 | } | |
501 | ||
ccf10263 MD |
502 | /* |
503 | * Add/remove tracker to/from session. | |
504 | */ | |
505 | static | |
506 | int cmd_track_untrack(enum cmd_type cmd_type, const char *cmd_str, | |
4fc83d94 | 507 | int argc, const char **argv, const char *help_msg) |
ccf10263 | 508 | { |
c51da673 JG |
509 | int opt, ret = 0; |
510 | enum cmd_error_code command_ret = CMD_SUCCESS; | |
ccf10263 MD |
511 | int success = 1; |
512 | static poptContext pc; | |
513 | char *session_name = NULL; | |
514 | struct mi_writer *writer = NULL; | |
515 | ||
516 | if (argc < 1) { | |
c51da673 | 517 | command_ret = CMD_ERROR; |
ccf10263 MD |
518 | goto end; |
519 | } | |
520 | ||
521 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
522 | poptReadDefaultConfig(pc, 0); | |
523 | ||
524 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
525 | switch (opt) { | |
526 | case OPT_HELP: | |
4ba92f18 | 527 | SHOW_HELP(); |
ccf10263 MD |
528 | goto end; |
529 | case OPT_LIST_OPTIONS: | |
530 | list_cmd_options(stdout, long_options); | |
531 | goto end; | |
532 | case OPT_SESSION: | |
83d6d6c4 | 533 | break; |
ccf10263 | 534 | case OPT_PID: |
83d6d6c4 JR |
535 | if (opt_pid.used) { |
536 | print_err_duplicate("pid"); | |
537 | command_ret = CMD_ERROR; | |
538 | goto end; | |
539 | } | |
540 | opt_pid.used = 1; | |
541 | type_state = STATE_PID; | |
542 | break; | |
543 | case OPT_VPID: | |
544 | if (opt_vpid.used) { | |
545 | print_err_duplicate("vpid"); | |
546 | command_ret = CMD_ERROR; | |
547 | goto end; | |
548 | } | |
549 | opt_vpid.used = 1; | |
550 | type_state = STATE_VPID; | |
551 | break; | |
552 | case OPT_UID: | |
553 | if (opt_uid.used) { | |
554 | print_err_duplicate("uid"); | |
555 | command_ret = CMD_ERROR; | |
556 | goto end; | |
557 | } | |
558 | opt_uid.used = 1; | |
559 | type_state = STATE_UID; | |
560 | break; | |
561 | case OPT_VUID: | |
562 | if (opt_vuid.used) { | |
563 | print_err_duplicate("vuid"); | |
564 | command_ret = CMD_ERROR; | |
565 | goto end; | |
566 | } | |
567 | opt_vuid.used = 1; | |
568 | type_state = STATE_VUID; | |
569 | break; | |
570 | case OPT_GID: | |
571 | if (opt_gid.used) { | |
572 | print_err_duplicate("gid"); | |
573 | command_ret = CMD_ERROR; | |
574 | goto end; | |
575 | } | |
576 | opt_gid.used = 1; | |
577 | type_state = STATE_GID; | |
578 | break; | |
579 | case OPT_VGID: | |
580 | if (opt_vgid.used) { | |
581 | print_err_duplicate("vgid"); | |
582 | command_ret = CMD_ERROR; | |
583 | goto end; | |
584 | } | |
585 | opt_vgid.used = 1; | |
586 | type_state = STATE_VGID; | |
587 | break; | |
588 | case OPT_ALL: | |
589 | switch (type_state) { | |
590 | case STATE_PID: | |
591 | opt_pid.all = 1; | |
592 | break; | |
593 | case STATE_VPID: | |
594 | opt_vpid.all = 1; | |
595 | break; | |
596 | case STATE_UID: | |
597 | opt_uid.all = 1; | |
598 | break; | |
599 | case STATE_VUID: | |
600 | opt_vuid.all = 1; | |
601 | break; | |
602 | case STATE_GID: | |
603 | opt_gid.all = 1; | |
604 | break; | |
605 | case STATE_VGID: | |
606 | opt_vgid.all = 1; | |
607 | break; | |
608 | default: | |
609 | command_ret = CMD_ERROR; | |
610 | goto end; | |
611 | } | |
ccf10263 MD |
612 | break; |
613 | default: | |
c51da673 | 614 | command_ret = CMD_UNDEFINED; |
ccf10263 MD |
615 | goto end; |
616 | } | |
617 | } | |
618 | ||
3ecec76a PP |
619 | ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace); |
620 | if (ret) { | |
5061fb43 | 621 | command_ret = CMD_ERROR; |
ccf10263 MD |
622 | goto end; |
623 | } | |
624 | ||
625 | if (!opt_session_name) { | |
626 | session_name = get_session_name(); | |
627 | if (session_name == NULL) { | |
c51da673 | 628 | command_ret = CMD_ERROR; |
ccf10263 MD |
629 | goto end; |
630 | } | |
631 | } else { | |
632 | session_name = opt_session_name; | |
633 | } | |
634 | ||
ccf10263 MD |
635 | /* Mi check */ |
636 | if (lttng_opt_mi) { | |
637 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
638 | if (!writer) { | |
c51da673 | 639 | command_ret = CMD_ERROR; |
ccf10263 MD |
640 | goto end; |
641 | } | |
642 | } | |
643 | ||
644 | if (writer) { | |
645 | /* Open command element */ | |
646 | ret = mi_lttng_writer_command_open(writer, | |
647 | get_mi_element_command(cmd_type)); | |
648 | if (ret) { | |
c51da673 | 649 | command_ret = CMD_ERROR; |
ccf10263 MD |
650 | goto end; |
651 | } | |
652 | ||
653 | /* Open output element */ | |
654 | ret = mi_lttng_writer_open_element(writer, | |
655 | mi_lttng_element_command_output); | |
656 | if (ret) { | |
c51da673 | 657 | command_ret = CMD_ERROR; |
ccf10263 MD |
658 | goto end; |
659 | } | |
83d6d6c4 JR |
660 | |
661 | ret = mi_lttng_trackers_open(writer); | |
662 | if (ret) { | |
663 | goto end; | |
664 | } | |
ccf10263 MD |
665 | } |
666 | ||
83d6d6c4 JR |
667 | if (opt_pid.used) { |
668 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
669 | opt_pid.string, opt_pid.all, writer, | |
670 | LTTNG_TRACKER_PID); | |
671 | if (command_ret != CMD_SUCCESS) { | |
672 | success = 0; | |
673 | } | |
674 | } | |
675 | if (opt_vpid.used) { | |
676 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
677 | opt_vpid.string, opt_vpid.all, writer, | |
678 | LTTNG_TRACKER_VPID); | |
679 | if (command_ret != CMD_SUCCESS) { | |
680 | success = 0; | |
681 | } | |
682 | } | |
683 | if (opt_uid.used) { | |
684 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
685 | opt_uid.string, opt_uid.all, writer, | |
686 | LTTNG_TRACKER_UID); | |
687 | if (command_ret != CMD_SUCCESS) { | |
688 | success = 0; | |
689 | } | |
690 | } | |
691 | if (opt_vuid.used) { | |
692 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
693 | opt_vuid.string, opt_vuid.all, writer, | |
694 | LTTNG_TRACKER_VUID); | |
695 | if (command_ret != CMD_SUCCESS) { | |
696 | success = 0; | |
697 | } | |
698 | } | |
699 | if (opt_gid.used) { | |
700 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
701 | opt_gid.string, opt_gid.all, writer, | |
702 | LTTNG_TRACKER_GID); | |
703 | if (command_ret != CMD_SUCCESS) { | |
704 | success = 0; | |
705 | } | |
706 | } | |
707 | if (opt_vgid.used) { | |
708 | command_ret = track_untrack_id(cmd_type, cmd_str, session_name, | |
709 | opt_vgid.string, opt_vgid.all, writer, | |
710 | LTTNG_TRACKER_VGID); | |
711 | if (command_ret != CMD_SUCCESS) { | |
712 | success = 0; | |
713 | } | |
ccf10263 MD |
714 | } |
715 | ||
716 | /* Mi closing */ | |
717 | if (writer) { | |
83d6d6c4 JR |
718 | /* Close trackers and output elements */ |
719 | ret = mi_lttng_close_multi_element(writer, 2); | |
ccf10263 | 720 | if (ret) { |
c51da673 | 721 | command_ret = CMD_ERROR; |
ccf10263 MD |
722 | goto end; |
723 | } | |
724 | ||
725 | /* Success ? */ | |
726 | ret = mi_lttng_writer_write_element_bool(writer, | |
727 | mi_lttng_element_command_success, success); | |
728 | if (ret) { | |
c51da673 | 729 | command_ret = CMD_ERROR; |
ccf10263 MD |
730 | goto end; |
731 | } | |
732 | ||
733 | /* Command element close */ | |
734 | ret = mi_lttng_writer_command_close(writer); | |
735 | if (ret) { | |
c51da673 | 736 | command_ret = CMD_ERROR; |
ccf10263 MD |
737 | goto end; |
738 | } | |
739 | } | |
740 | ||
741 | end: | |
742 | if (!opt_session_name) { | |
743 | free(session_name); | |
744 | } | |
745 | ||
746 | /* Mi clean-up */ | |
747 | if (writer && mi_lttng_writer_destroy(writer)) { | |
748 | /* Preserve original error code */ | |
c51da673 | 749 | command_ret = CMD_ERROR; |
ccf10263 MD |
750 | } |
751 | ||
ccf10263 | 752 | poptFreeContext(pc); |
c51da673 | 753 | return (int) command_ret; |
ccf10263 MD |
754 | } |
755 | ||
756 | int cmd_track(int argc, const char **argv) | |
757 | { | |
4fc83d94 PP |
758 | static const char *help_msg = |
759 | #ifdef LTTNG_EMBED_HELP | |
760 | #include <lttng-track.1.h> | |
761 | #else | |
762 | NULL | |
763 | #endif | |
764 | ; | |
765 | ||
766 | return cmd_track_untrack(CMD_TRACK, "track", argc, argv, help_msg); | |
ccf10263 MD |
767 | } |
768 | ||
769 | int cmd_untrack(int argc, const char **argv) | |
770 | { | |
4fc83d94 PP |
771 | static const char *help_msg = |
772 | #ifdef LTTNG_EMBED_HELP | |
773 | #include <lttng-untrack.1.h> | |
774 | #else | |
775 | NULL | |
776 | #endif | |
777 | ; | |
778 | ||
779 | return cmd_track_untrack(CMD_UNTRACK, "untrack", argc, argv, help_msg); | |
ccf10263 | 780 | } |