Commit | Line | Data |
---|---|---|
c7e35b03 JR |
1 | /* |
2 | * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com> | |
3 | * - Olivier Cotte <olivier.cotte@polymtl.ca> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License, version 2 only, as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
16 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
5e18ec73 | 19 | |
c7e35b03 JR |
20 | #include <include/config.h> |
21 | #include <common/config/config.h> | |
c7e35b03 JR |
22 | #include "mi-lttng.h" |
23 | ||
5e18ec73 JR |
24 | #include <assert.h> |
25 | ||
c7e35b03 JR |
26 | /* Strings related to command */ |
27 | const char * const mi_lttng_element_command = "command"; | |
37d03ff7 | 28 | const char * const mi_lttng_element_command_name = "name"; |
c7e35b03 JR |
29 | const char * const mi_lttng_element_command_version = "version"; |
30 | const char * const mi_lttng_element_command_list = "list"; | |
1734c658 JRJ |
31 | const char * const mi_lttng_element_command_save = "save"; |
32 | const char * const mi_lttng_element_command_load = "load"; | |
1cfc0bc8 | 33 | const char * const mi_lttng_element_command_start = "start"; |
e5b83100 | 34 | const char * const mi_lttng_element_command_stop = "stop"; |
37d03ff7 | 35 | const char * const mi_lttng_element_command_create = "create"; |
65f25c66 | 36 | const char * const mi_lttng_element_command_destroy = "destroy"; |
7e66b1b0 | 37 | const char * const mi_lttng_element_command_calibrate = "calibrate"; |
c7e35b03 | 38 | const char * const mi_lttng_element_command_output = "output"; |
1734c658 | 39 | const char * const mi_lttng_element_command_success = "success"; |
c7e35b03 | 40 | |
1734c658 | 41 | /* Strings related to version command */ |
c7e35b03 JR |
42 | const char * const mi_lttng_element_version = "version"; |
43 | const char * const mi_lttng_element_version_str = "string"; | |
44 | const char * const mi_lttng_element_version_web = "url"; | |
45 | const char * const mi_lttng_element_version_major = "major"; | |
46 | const char * const mi_lttng_element_version_minor = "minor"; | |
314d5222 | 47 | const char * const mi_lttng_element_version_commit = "commit"; |
c7e35b03 JR |
48 | const char * const mi_lttng_element_version_license = "license"; |
49 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; | |
50 | const char * const mi_lttng_element_version_description = "description"; | |
51 | ||
5e18ec73 JR |
52 | /* Strings related to pid */ |
53 | const char * const mi_lttng_element_pids = "pids"; | |
54 | const char * const mi_lttng_element_pid = "pid"; | |
55 | const char * const mi_lttng_element_pid_id = "id"; | |
56 | ||
1734c658 JRJ |
57 | /* Strings related to save command */ |
58 | const char * const mi_lttng_element_save = "save"; | |
59 | ||
60 | /* Strings related to load command */ | |
61 | const char * const mi_lttng_element_load = "load"; | |
62 | ||
5e18ec73 JR |
63 | /* String related to a lttng_event_field */ |
64 | const char * const mi_lttng_element_event_field = "event_field"; | |
65 | const char * const mi_lttng_element_event_fields = "event_fields"; | |
66 | ||
67 | /* General elements of mi_lttng */ | |
68 | const char * const mi_lttng_element_type_other = "OTHER"; | |
69 | const char * const mi_lttng_element_type_integer = "INTEGER"; | |
70 | const char * const mi_lttng_element_type_enum = "ENUM"; | |
71 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
72 | const char * const mi_lttng_element_type_string = "STRING"; | |
73 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
74 | ||
75 | /* String related to loglevel */ | |
76 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
77 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
78 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
79 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
80 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
81 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
82 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
83 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
84 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
85 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
86 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
87 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
88 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
89 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
90 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
91 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
92 | ||
1734c658 | 93 | /* String related to loglevel type */ |
5e18ec73 JR |
94 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
95 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
96 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
97 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
98 | ||
7e66b1b0 JRJ |
99 | /* String related to lttng_calibrate */ |
100 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
101 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
102 | ||
5e18ec73 JR |
103 | const char * const mi_lttng_element_empty = ""; |
104 | ||
105 | const char *mi_lttng_loglevel_string(int value) | |
106 | { | |
107 | switch (value) { | |
108 | case -1: | |
109 | return mi_lttng_element_empty; | |
110 | case LTTNG_LOGLEVEL_EMERG: | |
111 | return mi_lttng_loglevel_str_emerg; | |
112 | case LTTNG_LOGLEVEL_ALERT: | |
113 | return mi_lttng_loglevel_str_alert; | |
114 | case LTTNG_LOGLEVEL_CRIT: | |
115 | return mi_lttng_loglevel_str_crit; | |
116 | case LTTNG_LOGLEVEL_ERR: | |
117 | return mi_lttng_loglevel_str_err; | |
118 | case LTTNG_LOGLEVEL_WARNING: | |
119 | return mi_lttng_loglevel_str_warning; | |
120 | case LTTNG_LOGLEVEL_NOTICE: | |
121 | return mi_lttng_loglevel_str_notice; | |
122 | case LTTNG_LOGLEVEL_INFO: | |
123 | return mi_lttng_loglevel_str_info; | |
124 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
125 | return mi_lttng_loglevel_str_debug_system; | |
126 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
127 | return mi_lttng_loglevel_str_debug_program; | |
128 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
129 | return mi_lttng_loglevel_str_debug_process; | |
130 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
131 | return mi_lttng_loglevel_str_debug_module; | |
132 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
133 | return mi_lttng_loglevel_str_debug_unit; | |
134 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
135 | return mi_lttng_loglevel_str_debug_function; | |
136 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
137 | return mi_lttng_loglevel_str_debug_line; | |
138 | case LTTNG_LOGLEVEL_DEBUG: | |
139 | return mi_lttng_loglevel_str_debug; | |
140 | default: | |
141 | return mi_lttng_loglevel_str_unknown; | |
142 | } | |
143 | } | |
144 | ||
145 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
146 | { | |
147 | switch (value) { | |
148 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
149 | return mi_lttng_loglevel_type_all; | |
150 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
151 | return mi_lttng_loglevel_type_range; | |
152 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
153 | return mi_lttng_loglevel_type_single; | |
154 | default: | |
155 | return mi_lttng_loglevel_type_unknown; | |
156 | } | |
157 | } | |
158 | ||
159 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
160 | { | |
161 | switch (value) { | |
162 | case LTTNG_EVENT_ALL: | |
163 | return config_event_type_all; | |
164 | case LTTNG_EVENT_TRACEPOINT: | |
165 | return config_event_type_tracepoint; | |
166 | case LTTNG_EVENT_PROBE: | |
167 | return config_event_type_probe; | |
168 | case LTTNG_EVENT_FUNCTION: | |
169 | return config_event_type_function; | |
170 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
171 | return config_event_type_function_entry; | |
172 | case LTTNG_EVENT_SYSCALL: | |
173 | return config_event_type_syscall; | |
174 | case LTTNG_EVENT_NOOP: | |
175 | return config_event_type_noop; | |
176 | default: | |
177 | return mi_lttng_element_empty; | |
178 | } | |
179 | } | |
180 | ||
181 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) | |
182 | { | |
183 | switch (val) { | |
184 | case(LTTNG_EVENT_FIELD_INTEGER): | |
185 | return mi_lttng_element_type_integer; | |
186 | case(LTTNG_EVENT_FIELD_ENUM): | |
187 | return mi_lttng_element_type_enum; | |
188 | case(LTTNG_EVENT_FIELD_FLOAT): | |
189 | return mi_lttng_element_type_float; | |
190 | case(LTTNG_EVENT_FIELD_STRING): | |
191 | return mi_lttng_element_type_string; | |
192 | default: | |
193 | return mi_lttng_element_type_other; | |
194 | } | |
195 | } | |
196 | ||
197 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
198 | { | |
199 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
200 | switch (value) { | |
201 | case LTTNG_DOMAIN_KERNEL: | |
202 | return config_domain_type_kernel; | |
203 | case LTTNG_DOMAIN_UST: | |
204 | return config_domain_type_ust; | |
205 | case LTTNG_DOMAIN_JUL: | |
206 | return config_domain_type_jul; | |
207 | default: | |
208 | /* Should not have an unknown domain */ | |
209 | assert(0); | |
210 | } | |
211 | } | |
212 | ||
213 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
214 | { | |
215 | switch (value) { | |
216 | case LTTNG_BUFFER_PER_PID: | |
217 | return config_buffer_type_per_pid; | |
218 | case LTTNG_BUFFER_PER_UID: | |
219 | return config_buffer_type_per_uid; | |
220 | case LTTNG_BUFFER_GLOBAL: | |
221 | return config_buffer_type_global; | |
222 | default: | |
223 | /* Should not have an unknow buffer type */ | |
224 | assert(0); | |
225 | } | |
226 | } | |
227 | ||
7e66b1b0 JRJ |
228 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
229 | { | |
230 | const char *ret; | |
231 | ||
232 | switch (val) { | |
233 | case LTTNG_CALIBRATE_FUNCTION: | |
234 | ret = mi_lttng_element_calibrate_function; | |
235 | break; | |
236 | default: | |
237 | ret = mi_lttng_element_empty; | |
238 | break; | |
239 | } | |
240 | return ret; | |
241 | } | |
242 | ||
c7e35b03 JR |
243 | LTTNG_HIDDEN |
244 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
245 | { | |
246 | struct mi_writer *mi_writer; | |
247 | ||
248 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
249 | if (!mi_writer) { | |
250 | PERROR("zmalloc mi_writer_create"); | |
251 | goto end; | |
252 | } | |
253 | if (mi_output_type == LTTNG_MI_XML) { | |
254 | mi_writer->writer = config_writer_create(fd_output); | |
255 | if (!mi_writer->writer) { | |
256 | goto err_destroy; | |
257 | } | |
258 | mi_writer->type = LTTNG_MI_XML; | |
259 | } else { | |
260 | goto err_destroy; | |
261 | } | |
262 | ||
263 | end: | |
264 | return mi_writer; | |
265 | ||
266 | err_destroy: | |
267 | free(mi_writer); | |
268 | return NULL; | |
269 | } | |
270 | ||
271 | LTTNG_HIDDEN | |
272 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
273 | { | |
274 | int ret; | |
275 | ||
276 | if (!writer) { | |
277 | ret = -EINVAL; | |
278 | goto end; | |
279 | } | |
280 | ||
281 | ret = config_writer_destroy(writer->writer); | |
282 | if (ret < 0) { | |
283 | goto end; | |
284 | } | |
285 | ||
286 | free(writer); | |
287 | end: | |
288 | return ret; | |
289 | } | |
290 | ||
291 | LTTNG_HIDDEN | |
292 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
293 | { | |
294 | int ret; | |
295 | ||
296 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
297 | if (ret) { | |
298 | goto end; | |
299 | } | |
300 | ret = mi_lttng_writer_write_element_string(writer, | |
301 | mi_lttng_element_command_name, command); | |
302 | end: | |
303 | return ret; | |
304 | } | |
305 | ||
306 | LTTNG_HIDDEN | |
307 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
308 | { | |
309 | return mi_lttng_writer_close_element(writer); | |
310 | } | |
311 | ||
312 | LTTNG_HIDDEN | |
313 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
314 | const char *element_name) | |
315 | { | |
316 | return config_writer_open_element(writer->writer, element_name); | |
317 | } | |
318 | ||
319 | LTTNG_HIDDEN | |
320 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
321 | { | |
322 | return config_writer_close_element(writer->writer); | |
323 | } | |
324 | ||
5e18ec73 JR |
325 | LTTNG_HIDDEN |
326 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
327 | unsigned int nb_element) | |
328 | { | |
329 | int ret, i; | |
330 | ||
331 | if (nb_element < 1) { | |
332 | ret = 0; | |
333 | goto end; | |
334 | } | |
335 | for (i = 0; i < nb_element; i++) { | |
336 | ret = mi_lttng_writer_close_element(writer); | |
337 | if (ret) { | |
338 | goto end; | |
339 | } | |
340 | } | |
341 | end: | |
342 | return ret; | |
343 | } | |
344 | ||
c7e35b03 JR |
345 | LTTNG_HIDDEN |
346 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
347 | const char *element_name, uint64_t value) | |
348 | { | |
349 | return config_writer_write_element_unsigned_int(writer->writer, | |
350 | element_name, value); | |
351 | } | |
352 | ||
353 | LTTNG_HIDDEN | |
354 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
355 | const char *element_name, int64_t value) | |
356 | { | |
357 | return config_writer_write_element_signed_int(writer->writer, | |
358 | element_name, value); | |
359 | } | |
360 | ||
361 | LTTNG_HIDDEN | |
362 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
363 | const char *element_name, int value) | |
364 | { | |
365 | return config_writer_write_element_bool(writer->writer, | |
366 | element_name, value); | |
367 | } | |
368 | ||
369 | LTTNG_HIDDEN | |
370 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
371 | const char *element_name, const char *value) | |
372 | { | |
373 | return config_writer_write_element_string(writer->writer, | |
374 | element_name, value); | |
375 | } | |
376 | ||
377 | LTTNG_HIDDEN | |
378 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
379 | const char *lttng_description, const char *lttng_license) | |
380 | { | |
381 | int ret; | |
382 | ||
383 | /* Open version */ | |
384 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
385 | if (ret) { | |
386 | goto end; | |
387 | } | |
388 | ||
389 | /* Version string (contain info like rc etc.) */ | |
390 | ret = mi_lttng_writer_write_element_string(writer, | |
391 | mi_lttng_element_version_str, VERSION); | |
392 | if (ret) { | |
393 | goto end; | |
394 | } | |
395 | ||
396 | /* Major version number */ | |
397 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
398 | mi_lttng_element_version_major, version->version_major); | |
399 | if (ret) { | |
400 | goto end; | |
401 | } | |
402 | ||
403 | /* Minor version number */ | |
404 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
405 | mi_lttng_element_version_minor, version->version_minor); | |
406 | if (ret) { | |
407 | goto end; | |
408 | } | |
409 | ||
314d5222 JRJ |
410 | /* Commit version number */ |
411 | ret = mi_lttng_writer_write_element_string(writer, | |
412 | mi_lttng_element_version_commit, version->version_commit); | |
413 | if (ret) { | |
414 | goto end; | |
415 | } | |
416 | ||
c7e35b03 JR |
417 | /* Patch number */ |
418 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
419 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
420 | if (ret) { | |
421 | goto end; | |
422 | } | |
423 | ||
424 | /* Name of the version */ | |
425 | ret = mi_lttng_writer_write_element_string(writer, | |
426 | config_element_name, version->version_name); | |
427 | if (ret) { | |
428 | goto end; | |
429 | } | |
430 | ||
431 | /* Description mostly related to beer... */ | |
432 | ret = mi_lttng_writer_write_element_string(writer, | |
433 | mi_lttng_element_version_description, lttng_description); | |
434 | if (ret) { | |
435 | goto end; | |
436 | } | |
437 | ||
438 | /* url */ | |
439 | ret = mi_lttng_writer_write_element_string(writer, | |
440 | mi_lttng_element_version_web, version->package_url); | |
441 | if (ret) { | |
442 | goto end; | |
443 | } | |
444 | ||
445 | /* License: free as in free beer...no...*speech* */ | |
446 | ret = mi_lttng_writer_write_element_string(writer, | |
447 | mi_lttng_element_version_license, lttng_license); | |
448 | if (ret) { | |
449 | goto end; | |
450 | } | |
451 | ||
452 | /* Close version element */ | |
453 | ret = mi_lttng_writer_close_element(writer); | |
454 | ||
455 | end: | |
456 | return ret; | |
457 | } | |
458 | ||
5e18ec73 JR |
459 | LTTNG_HIDDEN |
460 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
461 | { | |
462 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
463 | } | |
464 | ||
c7e35b03 JR |
465 | LTTNG_HIDDEN |
466 | int mi_lttng_session(struct mi_writer *writer, | |
467 | struct lttng_session *session, int is_open) | |
468 | { | |
469 | int ret; | |
470 | ||
5e18ec73 JR |
471 | assert(session); |
472 | ||
473 | /* Open sessions element */ | |
c7e35b03 JR |
474 | ret = mi_lttng_writer_open_element(writer, |
475 | config_element_session); | |
476 | if (ret) { | |
477 | goto end; | |
478 | } | |
479 | ||
480 | /* Name of the session */ | |
481 | ret = mi_lttng_writer_write_element_string(writer, | |
482 | config_element_name, session->name); | |
483 | if (ret) { | |
484 | goto end; | |
485 | } | |
486 | ||
5e18ec73 | 487 | /* Path */ |
c7e35b03 JR |
488 | ret = mi_lttng_writer_write_element_string(writer, |
489 | config_element_path, session->path); | |
490 | if (ret) { | |
491 | goto end; | |
492 | } | |
493 | ||
5e18ec73 JR |
494 | /* Enabled ? */ |
495 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
496 | config_element_enabled, session->enabled); |
497 | if (ret) { | |
498 | goto end; | |
499 | } | |
500 | ||
5e18ec73 | 501 | /* Snapshot mode */ |
c7e35b03 JR |
502 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
503 | config_element_snapshot_mode, session->snapshot_mode); | |
504 | if (ret) { | |
505 | goto end; | |
506 | } | |
507 | ||
5e18ec73 | 508 | /* Live timer interval in usec */ |
c7e35b03 JR |
509 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
510 | config_element_live_timer_interval, | |
511 | session->live_timer_interval); | |
512 | if (ret) { | |
513 | goto end; | |
514 | } | |
515 | ||
516 | if (!is_open) { | |
517 | /* Closing session element */ | |
518 | ret = mi_lttng_writer_close_element(writer); | |
519 | } | |
520 | end: | |
521 | return ret; | |
522 | ||
523 | } | |
5e18ec73 JR |
524 | |
525 | LTTNG_HIDDEN | |
526 | int mi_lttng_domains_open(struct mi_writer *writer) | |
527 | { | |
528 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
529 | } | |
530 | ||
531 | LTTNG_HIDDEN | |
532 | int mi_lttng_domain(struct mi_writer *writer, | |
533 | struct lttng_domain *domain, int is_open) | |
534 | { | |
535 | int ret = 0; | |
536 | const char *str_domain; | |
537 | const char *str_buffer; | |
538 | ||
539 | assert(domain); | |
540 | ||
541 | /* Open domain element */ | |
542 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
543 | if (ret) { | |
544 | goto end; | |
545 | } | |
546 | ||
547 | /* Domain Type */ | |
548 | str_domain = mi_lttng_domaintype_string(domain->type); | |
549 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
550 | str_domain); | |
551 | if (ret) { | |
552 | goto end; | |
553 | } | |
554 | ||
555 | /* Buffer Type */ | |
556 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
557 | ret = mi_lttng_writer_write_element_string(writer, | |
558 | config_element_buffer_type, str_buffer); | |
559 | if (ret) { | |
560 | goto end; | |
561 | } | |
562 | ||
563 | /* TODO: attr... not sure how to use the union.... */ | |
564 | ||
565 | if (!is_open) { | |
566 | /* Closing domain element */ | |
567 | ret = mi_lttng_writer_close_element(writer); | |
568 | } | |
569 | ||
570 | end: | |
571 | return ret; | |
572 | ||
573 | } | |
574 | ||
575 | LTTNG_HIDDEN | |
576 | int mi_lttng_channels_open(struct mi_writer *writer) | |
577 | { | |
578 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
579 | } | |
580 | ||
581 | LTTNG_HIDDEN | |
582 | int mi_lttng_channel(struct mi_writer *writer, | |
583 | struct lttng_channel *channel, int is_open) | |
584 | { | |
585 | int ret = 0; | |
586 | ||
587 | assert(channel); | |
588 | ||
589 | /* Opening channel element */ | |
590 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
591 | if (ret) { | |
592 | goto end; | |
593 | } | |
594 | ||
595 | /* Name */ | |
596 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
597 | channel->name); | |
598 | if (ret) { | |
599 | goto end; | |
600 | } | |
601 | ||
602 | /* Enabled ? */ | |
603 | ret = mi_lttng_writer_write_element_bool(writer, | |
604 | config_element_enabled, channel->enabled); | |
605 | if (ret) { | |
606 | goto end; | |
607 | } | |
608 | ||
609 | /* Attribute */ | |
610 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
611 | if (ret) { | |
612 | goto end; | |
613 | } | |
614 | ||
615 | if (!is_open) { | |
616 | /* Closing channel element */ | |
617 | ret = mi_lttng_writer_close_element(writer); | |
618 | if (ret) { | |
619 | goto end; | |
620 | } | |
621 | } | |
622 | end: | |
623 | return ret; | |
624 | } | |
625 | ||
626 | LTTNG_HIDDEN | |
627 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
628 | struct lttng_channel_attr *attr) | |
629 | { | |
630 | int ret = 0; | |
631 | ||
632 | assert(attr); | |
633 | ||
634 | /* Opening Attributes */ | |
635 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
636 | if (ret) { | |
637 | goto end; | |
638 | } | |
639 | ||
640 | /* Overwrite */ | |
641 | ret = mi_lttng_writer_write_element_string(writer, | |
642 | config_element_overwrite_mode, | |
643 | attr->overwrite ? config_overwrite_mode_overwrite : | |
644 | config_overwrite_mode_discard); | |
645 | if (ret) { | |
646 | goto end; | |
647 | } | |
648 | ||
649 | /* Sub buffer size in byte */ | |
650 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
651 | config_element_subbuf_size, attr->subbuf_size); | |
652 | if (ret) { | |
653 | goto end; | |
654 | } | |
655 | ||
656 | /* Number of subbuffer (power of two) */ | |
657 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
658 | config_element_num_subbuf, | |
659 | attr->num_subbuf); | |
660 | if (ret) { | |
661 | goto end; | |
662 | } | |
663 | ||
664 | /* Switch timer interval in usec */ | |
665 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
666 | config_element_switch_timer_interval, | |
667 | attr->switch_timer_interval); | |
668 | if (ret) { | |
669 | goto end; | |
670 | } | |
671 | ||
672 | /* Read timer interval in usec */ | |
673 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
674 | config_element_read_timer_interval, | |
675 | attr->read_timer_interval); | |
676 | if (ret) { | |
677 | goto end; | |
678 | } | |
679 | ||
680 | /* Event output */ | |
681 | ret = mi_lttng_writer_write_element_string(writer, | |
682 | config_element_output_type, | |
683 | attr->output == LTTNG_EVENT_SPLICE ? | |
684 | config_output_type_splice : config_output_type_mmap); | |
685 | if (ret) { | |
686 | goto end; | |
687 | } | |
688 | ||
689 | /* Tracefile size in bytes */ | |
690 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
691 | config_element_tracefile_size, attr->tracefile_size); | |
692 | if (ret) { | |
693 | goto end; | |
694 | } | |
695 | ||
696 | /* Count of tracefiles */ | |
697 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
698 | config_element_tracefile_count, | |
699 | attr->tracefile_count); | |
700 | if (ret) { | |
701 | goto end; | |
702 | } | |
703 | ||
704 | /* Live timer interval in usec*/ | |
705 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
706 | config_element_live_timer_interval, | |
707 | attr->live_timer_interval); | |
708 | if (ret) { | |
709 | goto end; | |
710 | } | |
711 | ||
712 | /* Closing attributes */ | |
713 | ret = mi_lttng_writer_close_element(writer); | |
714 | if (ret) { | |
715 | goto end; | |
716 | } | |
717 | end: | |
718 | return ret; | |
719 | ||
720 | } | |
721 | ||
722 | LTTNG_HIDDEN | |
723 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
724 | struct lttng_event *event) | |
725 | { | |
726 | int ret; | |
727 | ||
728 | /* Open event element */ | |
729 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
730 | if (ret) { | |
731 | goto end; | |
732 | } | |
733 | ||
734 | /* event name */ | |
735 | ret = mi_lttng_writer_write_element_string(writer, | |
736 | config_element_name, event->name); | |
737 | if (ret) { | |
738 | goto end; | |
739 | } | |
740 | ||
741 | /* event type */ | |
742 | ret = mi_lttng_writer_write_element_string(writer, | |
743 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
744 | if (ret) { | |
745 | goto end; | |
746 | } | |
747 | ||
748 | /* is event enabled */ | |
749 | ret = mi_lttng_writer_write_element_bool(writer, | |
750 | config_element_enabled, event->enabled); | |
751 | if (ret) { | |
752 | goto end; | |
753 | } | |
754 | ||
755 | /* event filter enabled? */ | |
756 | ret = mi_lttng_writer_write_element_bool(writer, | |
757 | config_element_filter, event->filter); | |
758 | ||
759 | end: | |
760 | return ret; | |
761 | } | |
762 | ||
763 | LTTNG_HIDDEN | |
764 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
765 | struct lttng_event *event) | |
766 | { | |
767 | int ret; | |
768 | ||
769 | /* event loglevel */ | |
770 | ret = mi_lttng_writer_write_element_string(writer, | |
771 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
772 | if (ret) { | |
773 | goto end; | |
774 | } | |
775 | ||
776 | ret = mi_lttng_writer_write_element_string(writer, | |
777 | config_element_loglevel_type, | |
778 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
779 | if (ret) { | |
780 | goto end; | |
781 | } | |
782 | ||
783 | /* event exclusion filter */ | |
784 | ret = mi_lttng_writer_write_element_bool(writer, | |
785 | config_element_exclusion, event->exclusion); | |
786 | if (ret) { | |
787 | goto end; | |
788 | } | |
789 | ||
790 | end: | |
791 | return ret; | |
792 | } | |
793 | ||
794 | LTTNG_HIDDEN | |
795 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
796 | struct lttng_event *event) | |
797 | { | |
798 | /* event exclusion filter */ | |
799 | return mi_lttng_writer_write_element_bool(writer, | |
800 | config_element_exclusion, event->exclusion); | |
801 | } | |
802 | ||
803 | LTTNG_HIDDEN | |
804 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
805 | struct lttng_event *event) | |
806 | { | |
807 | int ret; | |
808 | ||
809 | if (event->attr.probe.addr != 0) { | |
810 | /* event probe address */ | |
811 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
812 | config_element_address, event->attr.probe.addr); | |
813 | if (ret) { | |
814 | goto end; | |
815 | } | |
816 | } else { | |
817 | /* event probe offset */ | |
818 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
819 | config_element_offset, event->attr.probe.offset); | |
820 | if (ret) { | |
821 | goto end; | |
822 | } | |
823 | ||
824 | /* event probe symbol_name */ | |
825 | ret = mi_lttng_writer_write_element_string(writer, | |
826 | config_element_symbol_name, event->attr.probe.symbol_name); | |
827 | if (ret) { | |
828 | goto end; | |
829 | } | |
830 | } | |
831 | end: | |
832 | return ret; | |
833 | } | |
834 | ||
835 | LTTNG_HIDDEN | |
836 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
837 | struct lttng_event *event) | |
838 | { | |
839 | /* event probe symbol_name */ | |
840 | return mi_lttng_writer_write_element_string(writer, | |
841 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
842 | } | |
843 | ||
844 | LTTNG_HIDDEN | |
845 | int mi_lttng_events_open(struct mi_writer *writer) | |
846 | { | |
847 | return mi_lttng_writer_open_element(writer, config_element_events); | |
848 | } | |
849 | ||
850 | LTTNG_HIDDEN | |
851 | int mi_lttng_event(struct mi_writer *writer, | |
852 | struct lttng_event *event, int is_open) | |
853 | { | |
854 | int ret; | |
855 | ||
856 | ret = mi_lttng_event_common_attributes(writer, event); | |
857 | if (ret) { | |
858 | goto end; | |
859 | } | |
860 | ||
861 | switch (event->type) { | |
862 | case LTTNG_EVENT_ALL: | |
863 | /* We should never have "all" events in list. */ | |
864 | assert(0); | |
865 | break; | |
866 | case LTTNG_EVENT_TRACEPOINT: | |
867 | { | |
868 | if (event->loglevel != -1) { | |
869 | ret = mi_lttng_event_tracepoint_loglevel(writer, event); | |
870 | } else { | |
871 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
872 | } | |
873 | break; | |
874 | } | |
875 | case LTTNG_EVENT_PROBE: | |
876 | ret = mi_lttng_event_function_probe(writer, event); | |
877 | break; | |
878 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
879 | ret = mi_lttng_event_function_entry(writer, event); | |
880 | break; | |
881 | default: | |
882 | break; | |
883 | } | |
884 | ||
885 | if (!is_open) { | |
886 | ret = mi_lttng_writer_close_element(writer); | |
887 | } | |
888 | ||
889 | end: | |
890 | return ret; | |
891 | } | |
892 | ||
893 | LTTNG_HIDDEN | |
894 | int mi_lttng_pids_open(struct mi_writer *writer) | |
895 | { | |
896 | return mi_lttng_writer_open_element(writer, mi_lttng_element_pids); | |
897 | } | |
898 | ||
899 | LTTNG_HIDDEN | |
900 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline, | |
901 | int is_open) | |
902 | { | |
903 | int ret; | |
904 | ||
905 | /* Open element pid */ | |
906 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid); | |
907 | if (ret) { | |
908 | goto end; | |
909 | } | |
910 | ||
911 | /* Writing pid number */ | |
912 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
913 | mi_lttng_element_pid_id, (int)pid); | |
914 | if (ret) { | |
915 | goto end; | |
916 | } | |
917 | ||
918 | /* Writing name of the process */ | |
919 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
920 | cmdline); | |
921 | if (ret) { | |
922 | goto end; | |
923 | } | |
924 | ||
925 | if (!is_open) { | |
926 | /* Closing Pid */ | |
927 | ret = mi_lttng_writer_close_element(writer); | |
928 | } | |
929 | ||
930 | end: | |
931 | return ret; | |
932 | } | |
933 | ||
934 | LTTNG_HIDDEN | |
935 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
936 | { | |
937 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
938 | } | |
939 | ||
940 | LTTNG_HIDDEN | |
941 | int mi_lttng_event_field(struct mi_writer *writer, | |
942 | struct lttng_event_field *field) | |
943 | { | |
944 | int ret; | |
945 | ||
946 | if (!field->field_name[0]) { | |
947 | /* To Review: not sure if legal david ? | |
948 | * how should this be handle ? | |
949 | */ | |
950 | ret = 0; | |
951 | goto end; | |
952 | } | |
953 | ||
954 | /* Open field */ | |
955 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
956 | if (ret) { | |
957 | goto end; | |
958 | } | |
959 | ||
960 | if (!field->field_name[0]) { | |
961 | goto close; | |
962 | } | |
963 | ||
964 | /* Name */ | |
965 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
966 | field->field_name); | |
967 | if (ret) { | |
968 | goto end; | |
969 | } | |
970 | ||
971 | /* Type */ | |
972 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
973 | mi_lttng_eventfieldtype_string(field->type)); | |
974 | if (ret) { | |
975 | goto end; | |
976 | } | |
977 | ||
978 | /* nowrite */ | |
979 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
980 | mi_lttng_element_nowrite, field->nowrite); | |
981 | if (ret) { | |
982 | goto end; | |
983 | } | |
984 | ||
985 | close: | |
986 | /* Close field element */ | |
987 | ret = mi_lttng_writer_close_element(writer); | |
988 | ||
989 | end: | |
990 | return ret; | |
991 | } | |
7e66b1b0 JRJ |
992 | |
993 | LTTNG_HIDDEN | |
994 | int mi_lttng_calibrate(struct mi_writer *writer, | |
995 | struct lttng_calibrate *calibrate) | |
996 | { | |
997 | int ret; | |
998 | ||
999 | /* Open calibrate element */ | |
1000 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate); | |
1001 | if (ret) { | |
1002 | goto end; | |
1003 | } | |
1004 | ||
1005 | /* Calibration type */ | |
1006 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1007 | mi_lttng_calibratetype_string(calibrate->type)); | |
1008 | if (ret) { | |
1009 | goto end; | |
1010 | } | |
1011 | ||
1012 | /* Closing calibrate element */ | |
1013 | ret = mi_lttng_writer_close_element(writer); | |
1014 | end: | |
1015 | return ret; | |
1016 | } |