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 | ||
defc04b7 MD |
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; | |
defc04b7 MD |
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, | |
defc04b7 MD |
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, }, | |
defc04b7 MD |
89 | { "pid", 'p', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_pid.string, OPT_PID, 0, 0, }, |
90 | { "vpid", 'p', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_vpid.string, OPT_VPID, 0, 0, }, | |
91 | { "uid", 'p', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_uid.string, OPT_UID, 0, 0, }, | |
92 | { "vuid", 'p', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_vuid.string, OPT_VUID, 0, 0, }, | |
93 | { "gid", 'p', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_gid.string, OPT_GID, 0, 0, }, | |
94 | { "vgid", 'p', 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 | ||
ccf10263 | 100 | static |
defc04b7 MD |
101 | struct id_list *alloc_id_list(size_t nr_items) |
102 | { | |
103 | struct id_list *id_list; | |
104 | struct lttng_tracker_id *items; | |
105 | ||
106 | id_list = zmalloc(sizeof(*id_list)); | |
107 | if (!id_list) { | |
108 | return NULL; | |
109 | } | |
110 | items = zmalloc(nr_items * sizeof(*items)); | |
111 | if (!items) { | |
112 | goto error; | |
113 | } | |
114 | id_list->nr = nr_items; | |
115 | id_list->array = items; | |
116 | return id_list; | |
117 | error: | |
118 | free(id_list); | |
119 | return NULL; | |
120 | } | |
121 | ||
122 | static | |
123 | void free_id_list(struct id_list *list) | |
ccf10263 | 124 | { |
defc04b7 MD |
125 | size_t nr_items; |
126 | int i; | |
127 | ||
128 | if (!list) | |
129 | return; | |
130 | nr_items = list->nr; | |
131 | for (i = 0; i < nr_items; i++) { | |
132 | struct lttng_tracker_id *item = &list->array[i]; | |
133 | ||
134 | free(item->string); | |
135 | } | |
136 | free(list); | |
137 | } | |
138 | ||
139 | static | |
140 | int parse_id_string(const char *_id_string, | |
141 | int all, struct id_list **_id_list) | |
142 | { | |
143 | const char *one_id_str; | |
ccf10263 MD |
144 | char *iter; |
145 | int retval = CMD_SUCCESS; | |
146 | int count = 0; | |
defc04b7 MD |
147 | struct id_list *id_list = NULL; |
148 | char *id_string = NULL; | |
44c1a903 | 149 | char *endptr; |
ccf10263 | 150 | |
defc04b7 MD |
151 | if (all && _id_string) { |
152 | ERR("An empty ID string is expected with --all"); | |
ccf10263 MD |
153 | retval = CMD_ERROR; |
154 | goto error; | |
155 | } | |
defc04b7 MD |
156 | if (!all && !_id_string) { |
157 | ERR("Please specify --all with an empty ID string"); | |
ccf10263 MD |
158 | retval = CMD_ERROR; |
159 | goto error; | |
160 | } | |
161 | if (all) { | |
defc04b7 MD |
162 | /* Empty ID string means all IDs */ |
163 | id_list = alloc_id_list(1); | |
164 | if (!id_list) { | |
ccf10263 MD |
165 | ERR("Out of memory"); |
166 | retval = CMD_ERROR; | |
167 | goto error; | |
168 | } | |
defc04b7 | 169 | id_list->array[0].type = LTTNG_ID_ALL; |
ccf10263 MD |
170 | goto assign; |
171 | } | |
172 | ||
defc04b7 MD |
173 | id_string = strdup(_id_string); |
174 | if (!id_string) { | |
ccf10263 MD |
175 | ERR("Out of memory"); |
176 | retval = CMD_ERROR; | |
177 | goto error; | |
178 | } | |
179 | ||
180 | /* Count */ | |
defc04b7 MD |
181 | one_id_str = strtok_r(id_string, ",", &iter); |
182 | while (one_id_str != NULL) { | |
ccf10263 MD |
183 | unsigned long v; |
184 | ||
defc04b7 MD |
185 | if (isdigit(one_id_str[0])) { |
186 | errno = 0; | |
187 | v = strtoul(one_id_str, &endptr, 10); | |
188 | if ((v == 0 && errno == EINVAL) | |
189 | || (v == ULONG_MAX && errno == ERANGE) | |
190 | || (*one_id_str != '\0' && *endptr != '\0')){ | |
191 | ERR("Error parsing ID %s", one_id_str); | |
192 | retval = CMD_ERROR; | |
193 | goto error; | |
194 | } | |
44c1a903 | 195 | |
defc04b7 MD |
196 | if ((long) v > INT_MAX || (int) v < 0) { |
197 | ERR("Invalid ID value %ld", (long) v); | |
198 | retval = CMD_ERROR; | |
199 | goto error; | |
200 | } | |
ccf10263 MD |
201 | } |
202 | count++; | |
203 | ||
204 | /* For next loop */ | |
defc04b7 | 205 | one_id_str = strtok_r(NULL, ",", &iter); |
ccf10263 MD |
206 | } |
207 | ||
defc04b7 | 208 | free(id_string); |
ccf10263 | 209 | /* Identity of delimiter has been lost in first pass. */ |
defc04b7 MD |
210 | id_string = strdup(_id_string); |
211 | if (!id_string) { | |
ccf10263 MD |
212 | ERR("Out of memory"); |
213 | retval = CMD_ERROR; | |
214 | goto error; | |
215 | } | |
216 | ||
217 | /* Allocate */ | |
defc04b7 MD |
218 | id_list = alloc_id_list(count); |
219 | if (!id_list) { | |
ccf10263 MD |
220 | ERR("Out of memory"); |
221 | retval = CMD_ERROR; | |
222 | goto error; | |
223 | } | |
224 | ||
defc04b7 | 225 | /* Reparse string and populate the id list. */ |
ccf10263 | 226 | count = 0; |
defc04b7 MD |
227 | one_id_str = strtok_r(id_string, ",", &iter); |
228 | while (one_id_str != NULL) { | |
229 | struct lttng_tracker_id *item; | |
230 | ||
231 | item = &id_list->array[count++]; | |
232 | if (isdigit(one_id_str[0])) { | |
233 | unsigned long v; | |
ccf10263 | 234 | |
defc04b7 MD |
235 | v = strtoul(one_id_str, NULL, 10); |
236 | item->type = LTTNG_ID_VALUE; | |
237 | item->value = (int) v; | |
238 | } else { | |
239 | item->type = LTTNG_ID_STRING; | |
240 | item->string = strdup(one_id_str); | |
241 | if (!item->string) { | |
242 | ERR("Out of memory"); | |
243 | retval = CMD_ERROR; | |
244 | goto error; | |
245 | } | |
246 | } | |
ccf10263 MD |
247 | |
248 | /* For next loop */ | |
defc04b7 | 249 | one_id_str = strtok_r(NULL, ",", &iter); |
ccf10263 MD |
250 | } |
251 | ||
252 | assign: | |
defc04b7 | 253 | *_id_list = id_list; |
ccf10263 MD |
254 | goto end; /* SUCCESS */ |
255 | ||
256 | /* ERROR */ | |
257 | error: | |
defc04b7 | 258 | free_id_list(id_list); |
ccf10263 | 259 | end: |
defc04b7 | 260 | free(id_string); |
ccf10263 MD |
261 | return retval; |
262 | } | |
263 | ||
264 | static | |
defc04b7 MD |
265 | const char *get_tracker_str(enum lttng_tracker_type tracker_type) |
266 | { | |
267 | switch (tracker_type) { | |
268 | case LTTNG_TRACKER_PID: | |
269 | return "PID"; | |
270 | case LTTNG_TRACKER_VPID: | |
271 | return "VPID"; | |
272 | case LTTNG_TRACKER_UID: | |
273 | return "UID"; | |
274 | case LTTNG_TRACKER_VUID: | |
275 | return "VUID"; | |
276 | case LTTNG_TRACKER_GID: | |
277 | return "GID"; | |
278 | case LTTNG_TRACKER_VGID: | |
279 | return "VGID"; | |
280 | } | |
281 | return NULL; | |
282 | } | |
283 | ||
284 | static | |
285 | enum cmd_error_code track_untrack_id(enum cmd_type cmd_type, const char *cmd_str, | |
286 | const char *session_name, const char *id_string, | |
287 | int all, struct mi_writer *writer, | |
288 | enum lttng_tracker_type tracker_type) | |
ccf10263 | 289 | { |
c51da673 JG |
290 | int ret, success = 1 , i; |
291 | enum cmd_error_code retval = CMD_SUCCESS; | |
defc04b7 | 292 | struct id_list *id_list = NULL; |
ccf10263 MD |
293 | struct lttng_domain dom; |
294 | struct lttng_handle *handle = NULL; | |
defc04b7 MD |
295 | int (*cmd_func)(struct lttng_handle *handle, |
296 | enum lttng_tracker_type tracker_type, | |
297 | struct lttng_tracker_id *id); | |
298 | const char *tracker_str; | |
ccf10263 MD |
299 | |
300 | switch (cmd_type) { | |
301 | case CMD_TRACK: | |
defc04b7 | 302 | cmd_func = lttng_track_id; |
ccf10263 MD |
303 | break; |
304 | case CMD_UNTRACK: | |
defc04b7 | 305 | cmd_func = lttng_untrack_id; |
ccf10263 MD |
306 | break; |
307 | default: | |
308 | ERR("Unknown command"); | |
309 | retval = CMD_ERROR; | |
310 | goto end; | |
311 | } | |
ccf10263 MD |
312 | memset(&dom, 0, sizeof(dom)); |
313 | if (opt_kernel) { | |
314 | dom.type = LTTNG_DOMAIN_KERNEL; | |
315 | } else if (opt_userspace) { | |
316 | dom.type = LTTNG_DOMAIN_UST; | |
defc04b7 MD |
317 | if (tracker_type == LTTNG_TRACKER_PID) { |
318 | MSG("For UST domain, the PID tracker is actually tracking VPID."); | |
319 | tracker_type = LTTNG_TRACKER_VPID; | |
320 | } | |
ccf10263 | 321 | } else { |
3ecec76a PP |
322 | /* Checked by the caller. */ |
323 | assert(0); | |
ccf10263 | 324 | } |
defc04b7 MD |
325 | tracker_str = get_tracker_str(tracker_type); |
326 | if (!tracker_str) { | |
327 | ERR("Unknown tracker type"); | |
328 | retval = CMD_ERROR; | |
329 | goto end; | |
330 | } | |
331 | ret = parse_id_string(id_string, all, &id_list); | |
ccf10263 | 332 | if (ret != CMD_SUCCESS) { |
defc04b7 | 333 | ERR("Error parsing %s string", tracker_str); |
ccf10263 MD |
334 | retval = CMD_ERROR; |
335 | goto end; | |
336 | } | |
337 | ||
338 | handle = lttng_create_handle(session_name, &dom); | |
339 | if (handle == NULL) { | |
340 | retval = CMD_ERROR; | |
341 | goto end; | |
342 | } | |
343 | ||
344 | if (writer) { | |
defc04b7 MD |
345 | /* Open tracker_id and targets elements */ |
346 | ret = mi_lttng_id_tracker_open(writer, tracker_type); | |
ccf10263 | 347 | if (ret) { |
ccf10263 MD |
348 | goto end; |
349 | } | |
350 | } | |
351 | ||
defc04b7 MD |
352 | for (i = 0; i < id_list->nr; i++) { |
353 | struct lttng_tracker_id *item = &id_list->array[i]; | |
354 | ||
355 | switch (item->type) { | |
356 | case LTTNG_ID_ALL: | |
357 | DBG("%s all IDs", cmd_str); | |
358 | break; | |
359 | case LTTNG_ID_VALUE: | |
360 | DBG("%s ID %d", cmd_str, item->value); | |
361 | break; | |
362 | case LTTNG_ID_STRING: | |
363 | DBG("%s ID '%s'", cmd_str, item->string); | |
364 | break; | |
365 | default: | |
366 | retval = CMD_ERROR; | |
367 | goto end; | |
368 | } | |
369 | ret = cmd_func(handle, tracker_type, item); | |
ccf10263 | 370 | if (ret) { |
defc04b7 MD |
371 | char *msg = NULL; |
372 | ||
b93a4a13 | 373 | switch (-ret) { |
defc04b7 MD |
374 | case LTTNG_ERR_ID_TRACKED: |
375 | msg = "already tracked"; | |
b93a4a13 MJ |
376 | success = 1; |
377 | retval = CMD_SUCCESS; | |
378 | break; | |
defc04b7 MD |
379 | case LTTNG_ERR_ID_NOT_TRACKED: |
380 | msg = "not tracked"; | |
b93a4a13 MJ |
381 | success = 1; |
382 | retval = CMD_SUCCESS; | |
383 | break; | |
384 | default: | |
385 | ERR("%s", lttng_strerror(ret)); | |
386 | success = 0; | |
387 | retval = CMD_ERROR; | |
388 | break; | |
389 | } | |
defc04b7 MD |
390 | if (msg) { |
391 | switch (item->type) { | |
392 | case LTTNG_ID_ALL: | |
393 | WARN("All %s %s in session %s", | |
394 | tracker_str, msg, session_name); | |
395 | break; | |
396 | case LTTNG_ID_VALUE: | |
397 | WARN("%s %i %s in session %s", | |
398 | tracker_str, item->value, | |
399 | msg, session_name); | |
400 | break; | |
401 | case LTTNG_ID_STRING: | |
402 | WARN("%s '%s' %s in session %s", | |
403 | tracker_str, item->string, | |
404 | msg, session_name); | |
405 | break; | |
406 | default: | |
407 | retval = CMD_ERROR; | |
408 | goto end; | |
409 | } | |
410 | } | |
ebbf5ab7 | 411 | } else { |
defc04b7 MD |
412 | switch (item->type) { |
413 | case LTTNG_ID_ALL: | |
414 | MSG("All %ss %sed in session %s", | |
415 | tracker_str, cmd_str, session_name); | |
416 | break; | |
417 | case LTTNG_ID_VALUE: | |
418 | MSG("%s %i %sed in session %s", | |
419 | tracker_str, item->value, cmd_str, | |
420 | session_name); | |
421 | break; | |
422 | case LTTNG_ID_STRING: | |
423 | MSG("%s '%s' %sed in session %s", | |
424 | tracker_str, item->string, cmd_str, | |
425 | session_name); | |
426 | break; | |
427 | default: | |
428 | retval = CMD_ERROR; | |
429 | goto end; | |
efcbc78c | 430 | } |
ebbf5ab7 JR |
431 | success = 1; |
432 | } | |
433 | ||
434 | /* Mi */ | |
435 | if (writer) { | |
defc04b7 MD |
436 | ret = mi_lttng_id_target(writer, |
437 | tracker_type, item, 1); | |
ebbf5ab7 JR |
438 | if (ret) { |
439 | retval = CMD_ERROR; | |
440 | goto end; | |
441 | } | |
442 | ||
443 | ret = mi_lttng_writer_write_element_bool(writer, | |
444 | mi_lttng_element_success, success); | |
445 | if (ret) { | |
446 | retval = CMD_ERROR; | |
447 | goto end; | |
448 | } | |
449 | ||
450 | ret = mi_lttng_writer_close_element(writer); | |
451 | if (ret) { | |
452 | retval = CMD_ERROR; | |
453 | goto end; | |
454 | } | |
ccf10263 MD |
455 | } |
456 | } | |
457 | ||
458 | if (writer) { | |
defc04b7 MD |
459 | /* Close targets and tracker_id elements */ |
460 | ret = mi_lttng_close_multi_element(writer, 2); | |
ccf10263 MD |
461 | if (ret) { |
462 | retval = CMD_ERROR; | |
463 | goto end; | |
464 | } | |
465 | } | |
466 | ||
ccf10263 MD |
467 | end: |
468 | if (handle) { | |
469 | lttng_destroy_handle(handle); | |
470 | } | |
defc04b7 | 471 | free_id_list(id_list); |
ccf10263 MD |
472 | return retval; |
473 | } | |
474 | ||
475 | static | |
476 | const char *get_mi_element_command(enum cmd_type cmd_type) | |
477 | { | |
478 | switch (cmd_type) { | |
479 | case CMD_TRACK: | |
480 | return mi_lttng_element_command_track; | |
481 | case CMD_UNTRACK: | |
482 | return mi_lttng_element_command_untrack; | |
483 | default: | |
484 | return NULL; | |
485 | } | |
486 | } | |
487 | ||
488 | /* | |
489 | * Add/remove tracker to/from session. | |
490 | */ | |
491 | static | |
492 | int cmd_track_untrack(enum cmd_type cmd_type, const char *cmd_str, | |
4fc83d94 | 493 | int argc, const char **argv, const char *help_msg) |
ccf10263 | 494 | { |
c51da673 JG |
495 | int opt, ret = 0; |
496 | enum cmd_error_code command_ret = CMD_SUCCESS; | |
ccf10263 MD |
497 | int success = 1; |
498 | static poptContext pc; | |
499 | char *session_name = NULL; | |
500 | struct mi_writer *writer = NULL; | |
501 | ||
502 | if (argc < 1) { | |
c51da673 | 503 | command_ret = CMD_ERROR; |
ccf10263 MD |
504 | goto end; |
505 | } | |
506 | ||
507 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
508 | poptReadDefaultConfig(pc, 0); | |
509 | ||
510 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
511 | switch (opt) { | |
512 | case OPT_HELP: | |
4ba92f18 | 513 | SHOW_HELP(); |
ccf10263 MD |
514 | goto end; |
515 | case OPT_LIST_OPTIONS: | |
516 | list_cmd_options(stdout, long_options); | |
517 | goto end; | |
518 | case OPT_SESSION: | |
defc04b7 | 519 | break; |
ccf10263 | 520 | case OPT_PID: |
defc04b7 MD |
521 | opt_pid.used = 1; |
522 | type_state = STATE_PID; | |
523 | break; | |
524 | case OPT_VPID: | |
525 | opt_vpid.used = 1; | |
526 | type_state = STATE_VPID; | |
527 | break; | |
528 | case OPT_UID: | |
529 | opt_uid.used = 1; | |
530 | type_state = STATE_UID; | |
531 | break; | |
532 | case OPT_VUID: | |
533 | opt_vuid.used = 1; | |
534 | type_state = STATE_VUID; | |
535 | break; | |
536 | case OPT_GID: | |
537 | opt_gid.used = 1; | |
538 | type_state = STATE_GID; | |
539 | break; | |
540 | case OPT_VGID: | |
541 | opt_vgid.used = 1; | |
542 | type_state = STATE_VGID; | |
543 | break; | |
544 | case OPT_ALL: | |
545 | switch (type_state) { | |
546 | case STATE_PID: | |
547 | opt_pid.all = 1; | |
548 | break; | |
549 | case STATE_VPID: | |
550 | opt_vpid.all = 1; | |
551 | break; | |
552 | case STATE_UID: | |
553 | opt_uid.all = 1; | |
554 | break; | |
555 | case STATE_VUID: | |
556 | opt_vuid.all = 1; | |
557 | break; | |
558 | case STATE_GID: | |
559 | opt_gid.all = 1; | |
560 | break; | |
561 | case STATE_VGID: | |
562 | opt_vgid.all = 1; | |
563 | break; | |
564 | default: | |
565 | command_ret = CMD_ERROR; | |
566 | goto end; | |
567 | } | |
ccf10263 MD |
568 | break; |
569 | default: | |
c51da673 | 570 | command_ret = CMD_UNDEFINED; |
ccf10263 MD |
571 | goto end; |
572 | } | |
573 | } | |
574 | ||
3ecec76a PP |
575 | ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace); |
576 | if (ret) { | |
5061fb43 | 577 | command_ret = CMD_ERROR; |
ccf10263 MD |
578 | goto end; |
579 | } | |
580 | ||
581 | if (!opt_session_name) { | |
582 | session_name = get_session_name(); | |
583 | if (session_name == NULL) { | |
c51da673 | 584 | command_ret = CMD_ERROR; |
ccf10263 MD |
585 | goto end; |
586 | } | |
587 | } else { | |
588 | session_name = opt_session_name; | |
589 | } | |
590 | ||
ccf10263 MD |
591 | /* Mi check */ |
592 | if (lttng_opt_mi) { | |
593 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
594 | if (!writer) { | |
c51da673 | 595 | command_ret = CMD_ERROR; |
ccf10263 MD |
596 | goto end; |
597 | } | |
598 | } | |
599 | ||
600 | if (writer) { | |
601 | /* Open command element */ | |
602 | ret = mi_lttng_writer_command_open(writer, | |
603 | get_mi_element_command(cmd_type)); | |
604 | if (ret) { | |
c51da673 | 605 | command_ret = CMD_ERROR; |
ccf10263 MD |
606 | goto end; |
607 | } | |
608 | ||
609 | /* Open output element */ | |
610 | ret = mi_lttng_writer_open_element(writer, | |
611 | mi_lttng_element_command_output); | |
612 | if (ret) { | |
c51da673 | 613 | command_ret = CMD_ERROR; |
ccf10263 MD |
614 | goto end; |
615 | } | |
defc04b7 MD |
616 | |
617 | ret = mi_lttng_trackers_open(writer); | |
618 | if (ret) { | |
619 | goto end; | |
620 | } | |
ccf10263 MD |
621 | } |
622 | ||
defc04b7 MD |
623 | if (opt_pid.used) { |
624 | command_ret = track_untrack_id(cmd_type, | |
625 | cmd_str, session_name, opt_pid.string, | |
626 | opt_pid.all, writer, LTTNG_TRACKER_PID); | |
627 | if (command_ret != CMD_SUCCESS) { | |
628 | success = 0; | |
629 | } | |
630 | } | |
631 | if (opt_vpid.used) { | |
632 | command_ret = track_untrack_id(cmd_type, | |
633 | cmd_str, session_name, opt_vpid.string, | |
634 | opt_vpid.all, writer, LTTNG_TRACKER_VPID); | |
635 | if (command_ret != CMD_SUCCESS) { | |
636 | success = 0; | |
637 | } | |
638 | } | |
639 | if (opt_uid.used) { | |
640 | command_ret = track_untrack_id(cmd_type, | |
641 | cmd_str, session_name, opt_uid.string, | |
642 | opt_uid.all, writer, LTTNG_TRACKER_UID); | |
643 | if (command_ret != CMD_SUCCESS) { | |
644 | success = 0; | |
645 | } | |
646 | } | |
647 | if (opt_vuid.used) { | |
648 | command_ret = track_untrack_id(cmd_type, | |
649 | cmd_str, session_name, opt_vuid.string, | |
650 | opt_vuid.all, writer, LTTNG_TRACKER_VUID); | |
651 | if (command_ret != CMD_SUCCESS) { | |
652 | success = 0; | |
653 | } | |
654 | } | |
655 | if (opt_gid.used) { | |
656 | command_ret = track_untrack_id(cmd_type, | |
657 | cmd_str, session_name, opt_gid.string, | |
658 | opt_gid.all, writer, LTTNG_TRACKER_GID); | |
659 | if (command_ret != CMD_SUCCESS) { | |
660 | success = 0; | |
661 | } | |
662 | } | |
663 | if (opt_vgid.used) { | |
664 | command_ret = track_untrack_id(cmd_type, | |
665 | cmd_str, session_name, opt_vgid.string, | |
666 | opt_vgid.all, writer, LTTNG_TRACKER_VGID); | |
667 | if (command_ret != CMD_SUCCESS) { | |
668 | success = 0; | |
669 | } | |
ccf10263 MD |
670 | } |
671 | ||
672 | /* Mi closing */ | |
673 | if (writer) { | |
defc04b7 MD |
674 | /* Close trackers and output elements */ |
675 | ret = mi_lttng_close_multi_element(writer, 2); | |
ccf10263 | 676 | if (ret) { |
c51da673 | 677 | command_ret = CMD_ERROR; |
ccf10263 MD |
678 | goto end; |
679 | } | |
680 | ||
681 | /* Success ? */ | |
682 | ret = mi_lttng_writer_write_element_bool(writer, | |
683 | mi_lttng_element_command_success, success); | |
684 | if (ret) { | |
c51da673 | 685 | command_ret = CMD_ERROR; |
ccf10263 MD |
686 | goto end; |
687 | } | |
688 | ||
689 | /* Command element close */ | |
690 | ret = mi_lttng_writer_command_close(writer); | |
691 | if (ret) { | |
c51da673 | 692 | command_ret = CMD_ERROR; |
ccf10263 MD |
693 | goto end; |
694 | } | |
695 | } | |
696 | ||
697 | end: | |
698 | if (!opt_session_name) { | |
699 | free(session_name); | |
700 | } | |
701 | ||
702 | /* Mi clean-up */ | |
703 | if (writer && mi_lttng_writer_destroy(writer)) { | |
704 | /* Preserve original error code */ | |
c51da673 | 705 | command_ret = CMD_ERROR; |
ccf10263 MD |
706 | } |
707 | ||
ccf10263 | 708 | poptFreeContext(pc); |
c51da673 | 709 | return (int) command_ret; |
ccf10263 MD |
710 | } |
711 | ||
712 | int cmd_track(int argc, const char **argv) | |
713 | { | |
4fc83d94 PP |
714 | static const char *help_msg = |
715 | #ifdef LTTNG_EMBED_HELP | |
716 | #include <lttng-track.1.h> | |
717 | #else | |
718 | NULL | |
719 | #endif | |
720 | ; | |
721 | ||
722 | return cmd_track_untrack(CMD_TRACK, "track", argc, argv, help_msg); | |
ccf10263 MD |
723 | } |
724 | ||
725 | int cmd_untrack(int argc, const char **argv) | |
726 | { | |
4fc83d94 PP |
727 | static const char *help_msg = |
728 | #ifdef LTTNG_EMBED_HELP | |
729 | #include <lttng-untrack.1.h> | |
730 | #else | |
731 | NULL | |
732 | #endif | |
733 | ; | |
734 | ||
735 | return cmd_track_untrack(CMD_UNTRACK, "untrack", argc, argv, help_msg); | |
ccf10263 | 736 | } |