Fix: add log4j domain to session.xsd
[lttng-tools.git] / src / common / mi-lttng.c
CommitLineData
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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
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20#include <include/config.h>
21#include <common/config/config.h>
50534d6f 22#include <lttng/snapshot-internal.h>
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23#include "mi-lttng.h"
24
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25#include <assert.h>
26
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27/* Strings related to command */
28const char * const mi_lttng_element_command = "command";
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29const char * const mi_lttng_element_command_action = "snapshot_action";
30const char * const mi_lttng_element_command_add_context = "add-context";
31const char * const mi_lttng_element_command_calibrate = "calibrate";
32const char * const mi_lttng_element_command_create = "create";
33const char * const mi_lttng_element_command_destroy = "destroy";
34const char * const mi_lttng_element_command_disable_channel = "disable-channel";
35const char * const mi_lttng_element_command_disable_event = "disable-event";
36const char * const mi_lttng_element_command_enable_channels = "enable-channel";
89476427 37const char * const mi_lttng_element_command_enable_event = "enable-event";
c7e35b03 38const char * const mi_lttng_element_command_list = "list";
1734c658 39const char * const mi_lttng_element_command_load = "load";
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40const char * const mi_lttng_element_command_name = "name";
41const char * const mi_lttng_element_command_output = "output";
42const char * const mi_lttng_element_command_save = "save";
43const char * const mi_lttng_element_command_set_session = "set-session";
44const char * const mi_lttng_element_command_snapshot = "snapshot";
45const char * const mi_lttng_element_command_snapshot_add = "add_snapshot";
46const char * const mi_lttng_element_command_snapshot_del = "del_snapshot";
47const char * const mi_lttng_element_command_snapshot_list = "list_snapshot";
48const char * const mi_lttng_element_command_snapshot_record = "record_snapshot";
1cfc0bc8 49const char * const mi_lttng_element_command_start = "start";
e5b83100 50const char * const mi_lttng_element_command_stop = "stop";
1734c658 51const char * const mi_lttng_element_command_success = "success";
f4a088f7 52const char * const mi_lttng_element_command_version = "version";
c7e35b03 53
1734c658 54/* Strings related to version command */
c7e35b03 55const char * const mi_lttng_element_version = "version";
314d5222 56const char * const mi_lttng_element_version_commit = "commit";
f4a088f7 57const char * const mi_lttng_element_version_description = "description";
c7e35b03 58const char * const mi_lttng_element_version_license = "license";
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59const char * const mi_lttng_element_version_major = "major";
60const char * const mi_lttng_element_version_minor = "minor";
c7e35b03 61const char * const mi_lttng_element_version_patch_level = "patchLevel";
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62const char * const mi_lttng_element_version_str = "string";
63const char * const mi_lttng_element_version_web = "url";
1734c658 64
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65/* String related to a lttng_event_field */
66const char * const mi_lttng_element_event_field = "event_field";
67const char * const mi_lttng_element_event_fields = "event_fields";
68
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69/* String related to lttng_event_context */
70const char * const mi_lttng_context_type_perf_counter = "PERF_COUNTER";
71const char * const mi_lttng_context_type_perf_cpu_counter = "PERF_CPU_COUNTER";
72const char * const mi_lttng_context_type_perf_thread_counter = "PERF_THREAD_COUNTER";
73
74/* String related to lttng_event_perf_counter_ctx */
75const char * const mi_lttng_element_perf_counter_context = "perf_counter_context";
76
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77/* Strings related to pid */
78const char * const mi_lttng_element_pids = "pids";
79const char * const mi_lttng_element_pid = "pid";
80const char * const mi_lttng_element_pid_id = "id";
81
82/* Strings related to save command */
83const char * const mi_lttng_element_save = "save";
84
85/* Strings related to load command */
86const char * const mi_lttng_element_load = "load";
87
5e18ec73 88/* General elements of mi_lttng */
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89const char * const mi_lttng_element_empty = "";
90const char * const mi_lttng_element_id = "id";
91const char * const mi_lttng_element_nowrite = "nowrite";
92const char * const mi_lttng_element_success = "success";
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93const char * const mi_lttng_element_type_enum = "ENUM";
94const char * const mi_lttng_element_type_float = "FLOAT";
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95const char * const mi_lttng_element_type_integer = "INTEGER";
96const char * const mi_lttng_element_type_other = "OTHER";
5e18ec73 97const char * const mi_lttng_element_type_string = "STRING";
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98
99/* String related to loglevel */
100const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT";
101const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT";
102const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG";
103const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION";
104const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE";
105const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE";
106const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS";
107const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM";
108const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM";
109const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT";
110const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG";
111const char * const mi_lttng_loglevel_str_err = "TRACE_ERR";
112const char * const mi_lttng_loglevel_str_info = "TRACE_INFO";
113const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE";
114const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN";
115const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING";
116
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117/* String related to loglevel JUL */
118const char * const mi_lttng_loglevel_str_jul_all = "JUL_ALL";
119const char * const mi_lttng_loglevel_str_jul_config = "JUL_CONFIG";
120const char * const mi_lttng_loglevel_str_jul_fine = "JUL_FINE";
121const char * const mi_lttng_loglevel_str_jul_finer = "JUL_FINER";
122const char * const mi_lttng_loglevel_str_jul_finest = "JUL_FINEST";
123const char * const mi_lttng_loglevel_str_jul_info = "JUL_INFO";
124const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF";
125const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE";
126const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING";
127
1734c658 128/* String related to loglevel type */
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129const char * const mi_lttng_loglevel_type_all = "ALL";
130const char * const mi_lttng_loglevel_type_range = "RANGE";
131const char * const mi_lttng_loglevel_type_single = "SINGLE";
132const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN";
133
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134/* String related to lttng_calibrate */
135const char * const mi_lttng_element_calibrate = "calibrate";
136const char * const mi_lttng_element_calibrate_function = "FUNCTION";
137
50534d6f 138/* String related to a lttng_snapshot_output */
50534d6f 139const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url";
f4a088f7 140const char * const mi_lttng_element_snapshot_data_url = "data_url";
50534d6f 141const char * const mi_lttng_element_snapshot_max_size = "max_size";
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142const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr";
143const char * const mi_lttng_element_snapshot_session_name = "session_name";
144const char * const mi_lttng_element_snapshots = "snapshots";
5e18ec73 145
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146/* This is a merge of jul loglevel and regular loglevel
147 * Those should never overlap by definition
148 * (see struct lttng_event loglevel)
149 */
ea75976a 150LTTNG_HIDDEN
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151const char *mi_lttng_loglevel_string(int value)
152{
153 switch (value) {
154 case -1:
155 return mi_lttng_element_empty;
156 case LTTNG_LOGLEVEL_EMERG:
157 return mi_lttng_loglevel_str_emerg;
158 case LTTNG_LOGLEVEL_ALERT:
159 return mi_lttng_loglevel_str_alert;
160 case LTTNG_LOGLEVEL_CRIT:
161 return mi_lttng_loglevel_str_crit;
162 case LTTNG_LOGLEVEL_ERR:
163 return mi_lttng_loglevel_str_err;
164 case LTTNG_LOGLEVEL_WARNING:
165 return mi_lttng_loglevel_str_warning;
166 case LTTNG_LOGLEVEL_NOTICE:
167 return mi_lttng_loglevel_str_notice;
168 case LTTNG_LOGLEVEL_INFO:
169 return mi_lttng_loglevel_str_info;
170 case LTTNG_LOGLEVEL_DEBUG_SYSTEM:
171 return mi_lttng_loglevel_str_debug_system;
172 case LTTNG_LOGLEVEL_DEBUG_PROGRAM:
173 return mi_lttng_loglevel_str_debug_program;
174 case LTTNG_LOGLEVEL_DEBUG_PROCESS:
175 return mi_lttng_loglevel_str_debug_process;
176 case LTTNG_LOGLEVEL_DEBUG_MODULE:
177 return mi_lttng_loglevel_str_debug_module;
178 case LTTNG_LOGLEVEL_DEBUG_UNIT:
179 return mi_lttng_loglevel_str_debug_unit;
180 case LTTNG_LOGLEVEL_DEBUG_FUNCTION:
181 return mi_lttng_loglevel_str_debug_function;
182 case LTTNG_LOGLEVEL_DEBUG_LINE:
183 return mi_lttng_loglevel_str_debug_line;
184 case LTTNG_LOGLEVEL_DEBUG:
185 return mi_lttng_loglevel_str_debug;
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186 case LTTNG_LOGLEVEL_JUL_OFF:
187 return mi_lttng_loglevel_str_jul_off;
188 case LTTNG_LOGLEVEL_JUL_SEVERE:
189 return mi_lttng_loglevel_str_jul_severe;
190 case LTTNG_LOGLEVEL_JUL_WARNING:
191 return mi_lttng_loglevel_str_jul_warning;
192 case LTTNG_LOGLEVEL_JUL_INFO:
193 return mi_lttng_loglevel_str_jul_info;
194 case LTTNG_LOGLEVEL_JUL_CONFIG:
195 return mi_lttng_loglevel_str_jul_config;
196 case LTTNG_LOGLEVEL_JUL_FINE:
197 return mi_lttng_loglevel_str_jul_fine;
198 case LTTNG_LOGLEVEL_JUL_FINER:
199 return mi_lttng_loglevel_str_jul_finer;
200 case LTTNG_LOGLEVEL_JUL_FINEST:
201 return mi_lttng_loglevel_str_jul_finest;
202 case LTTNG_LOGLEVEL_JUL_ALL:
203 return mi_lttng_loglevel_str_jul_all;
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204 default:
205 return mi_lttng_loglevel_str_unknown;
206 }
207}
208
ea75976a 209LTTNG_HIDDEN
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210const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value)
211{
212 switch (value) {
213 case LTTNG_EVENT_LOGLEVEL_ALL:
214 return mi_lttng_loglevel_type_all;
215 case LTTNG_EVENT_LOGLEVEL_RANGE:
216 return mi_lttng_loglevel_type_range;
217 case LTTNG_EVENT_LOGLEVEL_SINGLE:
218 return mi_lttng_loglevel_type_single;
219 default:
220 return mi_lttng_loglevel_type_unknown;
221 }
222}
223
ea75976a 224LTTNG_HIDDEN
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225const char *mi_lttng_eventtype_string(enum lttng_event_type value)
226{
227 switch (value) {
228 case LTTNG_EVENT_ALL:
229 return config_event_type_all;
230 case LTTNG_EVENT_TRACEPOINT:
231 return config_event_type_tracepoint;
232 case LTTNG_EVENT_PROBE:
233 return config_event_type_probe;
234 case LTTNG_EVENT_FUNCTION:
235 return config_event_type_function;
236 case LTTNG_EVENT_FUNCTION_ENTRY:
237 return config_event_type_function_entry;
238 case LTTNG_EVENT_SYSCALL:
239 return config_event_type_syscall;
240 case LTTNG_EVENT_NOOP:
241 return config_event_type_noop;
242 default:
243 return mi_lttng_element_empty;
244 }
245}
246
ea75976a 247LTTNG_HIDDEN
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248const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val)
249{
250 switch (val) {
251 case LTTNG_EVENT_CONTEXT_PID:
252 return config_event_context_pid;
253 case LTTNG_EVENT_CONTEXT_PERF_COUNTER:
254 return mi_lttng_context_type_perf_counter;
255 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER:
256 return mi_lttng_context_type_perf_thread_counter;
257 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER:
258 return mi_lttng_context_type_perf_cpu_counter;
259 case LTTNG_EVENT_CONTEXT_PROCNAME:
260 return config_event_context_procname;
261 case LTTNG_EVENT_CONTEXT_PRIO:
262 return config_event_context_prio;
263 case LTTNG_EVENT_CONTEXT_NICE:
264 return config_event_context_nice;
265 case LTTNG_EVENT_CONTEXT_VPID:
266 return config_event_context_vpid;
267 case LTTNG_EVENT_CONTEXT_TID:
268 return config_event_context_tid;
269 case LTTNG_EVENT_CONTEXT_VTID:
270 return config_event_context_vtid;
271 case LTTNG_EVENT_CONTEXT_PPID:
272 return config_event_context_ppid;
273 case LTTNG_EVENT_CONTEXT_VPPID:
274 return config_event_context_vppid;
275 case LTTNG_EVENT_CONTEXT_PTHREAD_ID:
276 return config_event_context_pthread_id;
277 case LTTNG_EVENT_CONTEXT_HOSTNAME:
278 return config_event_context_hostname;
279 case LTTNG_EVENT_CONTEXT_IP:
280 return config_event_context_ip;
281 default:
282 return NULL;
283 }
284}
285
ea75976a 286LTTNG_HIDDEN
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287const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val)
288{
289 switch (val) {
290 case(LTTNG_EVENT_FIELD_INTEGER):
291 return mi_lttng_element_type_integer;
292 case(LTTNG_EVENT_FIELD_ENUM):
293 return mi_lttng_element_type_enum;
294 case(LTTNG_EVENT_FIELD_FLOAT):
295 return mi_lttng_element_type_float;
296 case(LTTNG_EVENT_FIELD_STRING):
297 return mi_lttng_element_type_string;
298 default:
299 return mi_lttng_element_type_other;
300 }
301}
302
ea75976a 303LTTNG_HIDDEN
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304const char *mi_lttng_domaintype_string(enum lttng_domain_type value)
305{
306 /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
307 switch (value) {
308 case LTTNG_DOMAIN_KERNEL:
309 return config_domain_type_kernel;
310 case LTTNG_DOMAIN_UST:
311 return config_domain_type_ust;
312 case LTTNG_DOMAIN_JUL:
313 return config_domain_type_jul;
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314 case LTTNG_DOMAIN_LOG4J:
315 return config_domain_type_log4j;
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316 default:
317 /* Should not have an unknown domain */
318 assert(0);
319 }
320}
321
ea75976a 322LTTNG_HIDDEN
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323const char *mi_lttng_buffertype_string(enum lttng_buffer_type value)
324{
325 switch (value) {
326 case LTTNG_BUFFER_PER_PID:
327 return config_buffer_type_per_pid;
328 case LTTNG_BUFFER_PER_UID:
329 return config_buffer_type_per_uid;
330 case LTTNG_BUFFER_GLOBAL:
331 return config_buffer_type_global;
332 default:
333 /* Should not have an unknow buffer type */
334 assert(0);
335 }
336}
337
ea75976a 338LTTNG_HIDDEN
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339const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val)
340{
341 const char *ret;
342
343 switch (val) {
344 case LTTNG_CALIBRATE_FUNCTION:
345 ret = mi_lttng_element_calibrate_function;
346 break;
347 default:
348 ret = mi_lttng_element_empty;
349 break;
350 }
351 return ret;
352}
353
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354LTTNG_HIDDEN
355struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type)
356{
357 struct mi_writer *mi_writer;
358
359 mi_writer = zmalloc(sizeof(struct mi_writer));
360 if (!mi_writer) {
361 PERROR("zmalloc mi_writer_create");
362 goto end;
363 }
364 if (mi_output_type == LTTNG_MI_XML) {
705bb62f 365 mi_writer->writer = config_writer_create(fd_output, 0);
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366 if (!mi_writer->writer) {
367 goto err_destroy;
368 }
369 mi_writer->type = LTTNG_MI_XML;
370 } else {
371 goto err_destroy;
372 }
373
374end:
375 return mi_writer;
376
377err_destroy:
378 free(mi_writer);
379 return NULL;
380}
381
382LTTNG_HIDDEN
383int mi_lttng_writer_destroy(struct mi_writer *writer)
384{
385 int ret;
386
387 if (!writer) {
388 ret = -EINVAL;
389 goto end;
390 }
391
392 ret = config_writer_destroy(writer->writer);
393 if (ret < 0) {
394 goto end;
395 }
396
397 free(writer);
398end:
399 return ret;
400}
401
402LTTNG_HIDDEN
403int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command)
404{
405 int ret;
406
407 ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command);
408 if (ret) {
409 goto end;
410 }
411 ret = mi_lttng_writer_write_element_string(writer,
412 mi_lttng_element_command_name, command);
413end:
414 return ret;
415}
416
417LTTNG_HIDDEN
418int mi_lttng_writer_command_close(struct mi_writer *writer)
419{
420 return mi_lttng_writer_close_element(writer);
421}
422
423LTTNG_HIDDEN
424int mi_lttng_writer_open_element(struct mi_writer *writer,
425 const char *element_name)
426{
427 return config_writer_open_element(writer->writer, element_name);
428}
429
430LTTNG_HIDDEN
431int mi_lttng_writer_close_element(struct mi_writer *writer)
432{
433 return config_writer_close_element(writer->writer);
434}
435
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436LTTNG_HIDDEN
437int mi_lttng_close_multi_element(struct mi_writer *writer,
438 unsigned int nb_element)
439{
440 int ret, i;
441
442 if (nb_element < 1) {
443 ret = 0;
444 goto end;
445 }
446 for (i = 0; i < nb_element; i++) {
447 ret = mi_lttng_writer_close_element(writer);
448 if (ret) {
449 goto end;
450 }
451 }
452end:
453 return ret;
454}
455
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456LTTNG_HIDDEN
457int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer,
458 const char *element_name, uint64_t value)
459{
460 return config_writer_write_element_unsigned_int(writer->writer,
461 element_name, value);
462}
463
464LTTNG_HIDDEN
465int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer,
466 const char *element_name, int64_t value)
467{
468 return config_writer_write_element_signed_int(writer->writer,
469 element_name, value);
470}
471
472LTTNG_HIDDEN
473int mi_lttng_writer_write_element_bool(struct mi_writer *writer,
474 const char *element_name, int value)
475{
476 return config_writer_write_element_bool(writer->writer,
477 element_name, value);
478}
479
480LTTNG_HIDDEN
481int mi_lttng_writer_write_element_string(struct mi_writer *writer,
482 const char *element_name, const char *value)
483{
484 return config_writer_write_element_string(writer->writer,
485 element_name, value);
486}
487
488LTTNG_HIDDEN
489int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version,
490 const char *lttng_description, const char *lttng_license)
491{
492 int ret;
493
494 /* Open version */
495 ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version);
496 if (ret) {
497 goto end;
498 }
499
500 /* Version string (contain info like rc etc.) */
501 ret = mi_lttng_writer_write_element_string(writer,
782f3c61 502 mi_lttng_element_version_str, version->version);
c7e35b03
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503 if (ret) {
504 goto end;
505 }
506
507 /* Major version number */
508 ret = mi_lttng_writer_write_element_unsigned_int(writer,
509 mi_lttng_element_version_major, version->version_major);
510 if (ret) {
511 goto end;
512 }
513
514 /* Minor version number */
515 ret = mi_lttng_writer_write_element_unsigned_int(writer,
516 mi_lttng_element_version_minor, version->version_minor);
517 if (ret) {
518 goto end;
519 }
520
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521 /* Commit version number */
522 ret = mi_lttng_writer_write_element_string(writer,
523 mi_lttng_element_version_commit, version->version_commit);
524 if (ret) {
525 goto end;
526 }
527
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528 /* Patch number */
529 ret = mi_lttng_writer_write_element_unsigned_int(writer,
530 mi_lttng_element_version_patch_level, version->version_patchlevel);
531 if (ret) {
532 goto end;
533 }
534
535 /* Name of the version */
536 ret = mi_lttng_writer_write_element_string(writer,
537 config_element_name, version->version_name);
538 if (ret) {
539 goto end;
540 }
541
542 /* Description mostly related to beer... */
543 ret = mi_lttng_writer_write_element_string(writer,
544 mi_lttng_element_version_description, lttng_description);
545 if (ret) {
546 goto end;
547 }
548
549 /* url */
550 ret = mi_lttng_writer_write_element_string(writer,
551 mi_lttng_element_version_web, version->package_url);
552 if (ret) {
553 goto end;
554 }
555
556 /* License: free as in free beer...no...*speech* */
557 ret = mi_lttng_writer_write_element_string(writer,
558 mi_lttng_element_version_license, lttng_license);
559 if (ret) {
560 goto end;
561 }
562
563 /* Close version element */
564 ret = mi_lttng_writer_close_element(writer);
565
566end:
567 return ret;
568}
569
5e18ec73
JR
570LTTNG_HIDDEN
571int mi_lttng_sessions_open(struct mi_writer *writer)
572{
573 return mi_lttng_writer_open_element(writer, config_element_sessions);
574}
575
c7e35b03
JR
576LTTNG_HIDDEN
577int mi_lttng_session(struct mi_writer *writer,
578 struct lttng_session *session, int is_open)
579{
580 int ret;
581
5e18ec73
JR
582 assert(session);
583
584 /* Open sessions element */
c7e35b03
JR
585 ret = mi_lttng_writer_open_element(writer,
586 config_element_session);
587 if (ret) {
588 goto end;
589 }
590
591 /* Name of the session */
592 ret = mi_lttng_writer_write_element_string(writer,
593 config_element_name, session->name);
594 if (ret) {
595 goto end;
596 }
597
5e18ec73 598 /* Path */
c7e35b03
JR
599 ret = mi_lttng_writer_write_element_string(writer,
600 config_element_path, session->path);
601 if (ret) {
602 goto end;
603 }
604
5e18ec73
JR
605 /* Enabled ? */
606 ret = mi_lttng_writer_write_element_bool(writer,
c7e35b03
JR
607 config_element_enabled, session->enabled);
608 if (ret) {
609 goto end;
610 }
611
5e18ec73 612 /* Snapshot mode */
c7e35b03
JR
613 ret = mi_lttng_writer_write_element_unsigned_int(writer,
614 config_element_snapshot_mode, session->snapshot_mode);
615 if (ret) {
616 goto end;
617 }
618
5e18ec73 619 /* Live timer interval in usec */
c7e35b03
JR
620 ret = mi_lttng_writer_write_element_unsigned_int(writer,
621 config_element_live_timer_interval,
622 session->live_timer_interval);
623 if (ret) {
624 goto end;
625 }
626
627 if (!is_open) {
628 /* Closing session element */
629 ret = mi_lttng_writer_close_element(writer);
630 }
631end:
632 return ret;
633
634}
5e18ec73
JR
635
636LTTNG_HIDDEN
637int mi_lttng_domains_open(struct mi_writer *writer)
638{
639 return mi_lttng_writer_open_element(writer, config_element_domains);
640}
641
642LTTNG_HIDDEN
643int mi_lttng_domain(struct mi_writer *writer,
644 struct lttng_domain *domain, int is_open)
645{
646 int ret = 0;
647 const char *str_domain;
648 const char *str_buffer;
649
650 assert(domain);
651
652 /* Open domain element */
653 ret = mi_lttng_writer_open_element(writer, config_element_domain);
654 if (ret) {
655 goto end;
656 }
657
658 /* Domain Type */
659 str_domain = mi_lttng_domaintype_string(domain->type);
660 ret = mi_lttng_writer_write_element_string(writer, config_element_type,
661 str_domain);
662 if (ret) {
663 goto end;
664 }
665
666 /* Buffer Type */
667 str_buffer= mi_lttng_buffertype_string(domain->buf_type);
668 ret = mi_lttng_writer_write_element_string(writer,
669 config_element_buffer_type, str_buffer);
670 if (ret) {
671 goto end;
672 }
673
d813f89b
JRJ
674 /* TODO: union attr
675 * This union is not currently used and was added for
676 * future ust domain support.
677 * Date: 25-06-2014
678 * */
5e18ec73
JR
679
680 if (!is_open) {
681 /* Closing domain element */
682 ret = mi_lttng_writer_close_element(writer);
683 }
684
685end:
686 return ret;
687
688}
689
690LTTNG_HIDDEN
691int mi_lttng_channels_open(struct mi_writer *writer)
692{
693 return mi_lttng_writer_open_element(writer, config_element_channels);
694}
695
696LTTNG_HIDDEN
697int mi_lttng_channel(struct mi_writer *writer,
698 struct lttng_channel *channel, int is_open)
699{
700 int ret = 0;
701
702 assert(channel);
703
704 /* Opening channel element */
705 ret = mi_lttng_writer_open_element(writer, config_element_channel);
706 if (ret) {
707 goto end;
708 }
709
710 /* Name */
711 ret = mi_lttng_writer_write_element_string(writer, config_element_name,
712 channel->name);
713 if (ret) {
714 goto end;
715 }
716
717 /* Enabled ? */
718 ret = mi_lttng_writer_write_element_bool(writer,
719 config_element_enabled, channel->enabled);
720 if (ret) {
721 goto end;
722 }
723
724 /* Attribute */
725 ret = mi_lttng_channel_attr(writer, &channel->attr);
726 if (ret) {
727 goto end;
728 }
729
730 if (!is_open) {
731 /* Closing channel element */
732 ret = mi_lttng_writer_close_element(writer);
733 if (ret) {
734 goto end;
735 }
736 }
737end:
738 return ret;
739}
740
741LTTNG_HIDDEN
742int mi_lttng_channel_attr(struct mi_writer *writer,
743 struct lttng_channel_attr *attr)
744{
745 int ret = 0;
746
747 assert(attr);
748
749 /* Opening Attributes */
750 ret = mi_lttng_writer_open_element(writer, config_element_attributes);
751 if (ret) {
752 goto end;
753 }
754
755 /* Overwrite */
756 ret = mi_lttng_writer_write_element_string(writer,
757 config_element_overwrite_mode,
758 attr->overwrite ? config_overwrite_mode_overwrite :
759 config_overwrite_mode_discard);
760 if (ret) {
761 goto end;
762 }
763
764 /* Sub buffer size in byte */
765 ret = mi_lttng_writer_write_element_unsigned_int(writer,
766 config_element_subbuf_size, attr->subbuf_size);
767 if (ret) {
768 goto end;
769 }
770
771 /* Number of subbuffer (power of two) */
772 ret = mi_lttng_writer_write_element_unsigned_int(writer,
773 config_element_num_subbuf,
774 attr->num_subbuf);
775 if (ret) {
776 goto end;
777 }
778
779 /* Switch timer interval in usec */
780 ret = mi_lttng_writer_write_element_unsigned_int(writer,
781 config_element_switch_timer_interval,
782 attr->switch_timer_interval);
783 if (ret) {
784 goto end;
785 }
786
787 /* Read timer interval in usec */
788 ret = mi_lttng_writer_write_element_unsigned_int(writer,
789 config_element_read_timer_interval,
790 attr->read_timer_interval);
791 if (ret) {
792 goto end;
793 }
794
795 /* Event output */
796 ret = mi_lttng_writer_write_element_string(writer,
797 config_element_output_type,
798 attr->output == LTTNG_EVENT_SPLICE ?
799 config_output_type_splice : config_output_type_mmap);
800 if (ret) {
801 goto end;
802 }
803
804 /* Tracefile size in bytes */
805 ret = mi_lttng_writer_write_element_unsigned_int(writer,
806 config_element_tracefile_size, attr->tracefile_size);
807 if (ret) {
808 goto end;
809 }
810
811 /* Count of tracefiles */
812 ret = mi_lttng_writer_write_element_unsigned_int(writer,
813 config_element_tracefile_count,
814 attr->tracefile_count);
815 if (ret) {
816 goto end;
817 }
818
819 /* Live timer interval in usec*/
820 ret = mi_lttng_writer_write_element_unsigned_int(writer,
821 config_element_live_timer_interval,
822 attr->live_timer_interval);
823 if (ret) {
824 goto end;
825 }
826
827 /* Closing attributes */
828 ret = mi_lttng_writer_close_element(writer);
829 if (ret) {
830 goto end;
831 }
832end:
833 return ret;
834
835}
836
837LTTNG_HIDDEN
838int mi_lttng_event_common_attributes(struct mi_writer *writer,
839 struct lttng_event *event)
840{
841 int ret;
842
843 /* Open event element */
844 ret = mi_lttng_writer_open_element(writer, config_element_event);
845 if (ret) {
846 goto end;
847 }
848
f4a088f7 849 /* Event name */
5e18ec73
JR
850 ret = mi_lttng_writer_write_element_string(writer,
851 config_element_name, event->name);
852 if (ret) {
853 goto end;
854 }
855
f4a088f7 856 /* Event type */
5e18ec73
JR
857 ret = mi_lttng_writer_write_element_string(writer,
858 config_element_type, mi_lttng_eventtype_string(event->type));
859 if (ret) {
860 goto end;
861 }
862
f4a088f7 863 /* Is event enabled */
5e18ec73
JR
864 ret = mi_lttng_writer_write_element_bool(writer,
865 config_element_enabled, event->enabled);
866 if (ret) {
867 goto end;
868 }
869
f4a088f7 870 /* Event filter enabled? */
5e18ec73
JR
871 ret = mi_lttng_writer_write_element_bool(writer,
872 config_element_filter, event->filter);
873
874end:
875 return ret;
876}
877
878LTTNG_HIDDEN
879int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer,
880 struct lttng_event *event)
881{
882 int ret;
883
f4a088f7 884 /* Event loglevel */
5e18ec73
JR
885 ret = mi_lttng_writer_write_element_string(writer,
886 config_element_loglevel, mi_lttng_loglevel_string(event->loglevel));
887 if (ret) {
888 goto end;
889 }
890
f4a088f7 891 /* Log level type */
5e18ec73
JR
892 ret = mi_lttng_writer_write_element_string(writer,
893 config_element_loglevel_type,
894 mi_lttng_logleveltype_string(event->loglevel_type));
895 if (ret) {
896 goto end;
897 }
898
899 /* event exclusion filter */
900 ret = mi_lttng_writer_write_element_bool(writer,
901 config_element_exclusion, event->exclusion);
902 if (ret) {
903 goto end;
904 }
905
906end:
907 return ret;
908}
909
910LTTNG_HIDDEN
911int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer,
912 struct lttng_event *event)
913{
914 /* event exclusion filter */
915 return mi_lttng_writer_write_element_bool(writer,
916 config_element_exclusion, event->exclusion);
917}
918
919LTTNG_HIDDEN
920int mi_lttng_event_function_probe(struct mi_writer *writer,
921 struct lttng_event *event)
922{
923 int ret;
924
3b4a6e40
JRJ
925 ret = mi_lttng_writer_open_element(writer, config_element_attributes);
926 if (ret) {
927 goto end;
928 }
929
930 ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
931 if (ret) {
932 goto end;
933 }
934
5e18ec73
JR
935 if (event->attr.probe.addr != 0) {
936 /* event probe address */
937 ret = mi_lttng_writer_write_element_unsigned_int(writer,
938 config_element_address, event->attr.probe.addr);
939 if (ret) {
940 goto end;
941 }
942 } else {
943 /* event probe offset */
944 ret = mi_lttng_writer_write_element_unsigned_int(writer,
945 config_element_offset, event->attr.probe.offset);
946 if (ret) {
947 goto end;
948 }
949
950 /* event probe symbol_name */
951 ret = mi_lttng_writer_write_element_string(writer,
952 config_element_symbol_name, event->attr.probe.symbol_name);
953 if (ret) {
954 goto end;
955 }
956 }
3b4a6e40
JRJ
957
958 /* Close probe_attributes and attributes */
959 ret = mi_lttng_close_multi_element(writer, 2);
5e18ec73
JR
960end:
961 return ret;
962}
963
964LTTNG_HIDDEN
965int mi_lttng_event_function_entry(struct mi_writer *writer,
966 struct lttng_event *event)
967{
3b4a6e40
JRJ
968 int ret;
969
970 ret = mi_lttng_writer_open_element(writer, config_element_attributes);
971 if (ret) {
972 goto end;
973 }
974
975 ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
976 if (ret) {
977 goto end;
978 }
979
5e18ec73 980 /* event probe symbol_name */
3b4a6e40 981 ret = mi_lttng_writer_write_element_string(writer,
5e18ec73 982 config_element_symbol_name, event->attr.ftrace.symbol_name);
3b4a6e40
JRJ
983 if (ret) {
984 goto end;
985 }
986
987 /* Close function_attributes and attributes */
988 ret = mi_lttng_close_multi_element(writer, 2);
989end:
990 return ret;
5e18ec73
JR
991}
992
993LTTNG_HIDDEN
994int mi_lttng_events_open(struct mi_writer *writer)
995{
996 return mi_lttng_writer_open_element(writer, config_element_events);
997}
998
999LTTNG_HIDDEN
1000int mi_lttng_event(struct mi_writer *writer,
1001 struct lttng_event *event, int is_open)
1002{
1003 int ret;
1004
1005 ret = mi_lttng_event_common_attributes(writer, event);
1006 if (ret) {
1007 goto end;
1008 }
1009
1010 switch (event->type) {
5e18ec73
JR
1011 case LTTNG_EVENT_TRACEPOINT:
1012 {
1013 if (event->loglevel != -1) {
1014 ret = mi_lttng_event_tracepoint_loglevel(writer, event);
1015 } else {
1016 ret = mi_lttng_event_tracepoint_no_loglevel(writer, event);
1017 }
1018 break;
1019 }
3b4a6e40
JRJ
1020 case LTTNG_EVENT_FUNCTION:
1021 /* Fallthrough */
5e18ec73
JR
1022 case LTTNG_EVENT_PROBE:
1023 ret = mi_lttng_event_function_probe(writer, event);
1024 break;
1025 case LTTNG_EVENT_FUNCTION_ENTRY:
1026 ret = mi_lttng_event_function_entry(writer, event);
1027 break;
89476427
JRJ
1028 case LTTNG_EVENT_ALL:
1029 /* Fallthrough */
5e18ec73
JR
1030 default:
1031 break;
1032 }
1033
1034 if (!is_open) {
1035 ret = mi_lttng_writer_close_element(writer);
1036 }
1037
1038end:
1039 return ret;
1040}
1041
1042LTTNG_HIDDEN
1043int mi_lttng_pids_open(struct mi_writer *writer)
1044{
1045 return mi_lttng_writer_open_element(writer, mi_lttng_element_pids);
1046}
1047
1048LTTNG_HIDDEN
1049int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline,
1050 int is_open)
1051{
1052 int ret;
1053
1054 /* Open element pid */
1055 ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid);
1056 if (ret) {
1057 goto end;
1058 }
1059
1060 /* Writing pid number */
1061 ret = mi_lttng_writer_write_element_signed_int(writer,
1062 mi_lttng_element_pid_id, (int)pid);
1063 if (ret) {
1064 goto end;
1065 }
1066
1067 /* Writing name of the process */
1068 ret = mi_lttng_writer_write_element_string(writer, config_element_name,
1069 cmdline);
1070 if (ret) {
1071 goto end;
1072 }
1073
1074 if (!is_open) {
1075 /* Closing Pid */
1076 ret = mi_lttng_writer_close_element(writer);
1077 }
1078
1079end:
1080 return ret;
1081}
1082
1083LTTNG_HIDDEN
1084int mi_lttng_event_fields_open(struct mi_writer *writer)
1085{
1086 return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields);
1087}
1088
1089LTTNG_HIDDEN
1090int mi_lttng_event_field(struct mi_writer *writer,
1091 struct lttng_event_field *field)
1092{
1093 int ret;
1094
1095 if (!field->field_name[0]) {
5e18ec73
JR
1096 ret = 0;
1097 goto end;
1098 }
1099
1100 /* Open field */
1101 ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field);
1102 if (ret) {
1103 goto end;
1104 }
1105
1106 if (!field->field_name[0]) {
1107 goto close;
1108 }
1109
1110 /* Name */
1111 ret = mi_lttng_writer_write_element_string(writer, config_element_name,
1112 field->field_name);
1113 if (ret) {
1114 goto end;
1115 }
1116
1117 /* Type */
1118 ret = mi_lttng_writer_write_element_string(writer, config_element_type,
1119 mi_lttng_eventfieldtype_string(field->type));
1120 if (ret) {
1121 goto end;
1122 }
1123
1124 /* nowrite */
1125 ret = mi_lttng_writer_write_element_signed_int(writer,
1126 mi_lttng_element_nowrite, field->nowrite);
1127 if (ret) {
1128 goto end;
1129 }
1130
1131close:
1132 /* Close field element */
1133 ret = mi_lttng_writer_close_element(writer);
1134
1135end:
1136 return ret;
1137}
7e66b1b0
JRJ
1138
1139LTTNG_HIDDEN
1140int mi_lttng_calibrate(struct mi_writer *writer,
1141 struct lttng_calibrate *calibrate)
1142{
1143 int ret;
1144
1145 /* Open calibrate element */
1146 ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate);
1147 if (ret) {
1148 goto end;
1149 }
1150
1151 /* Calibration type */
1152 ret = mi_lttng_writer_write_element_string(writer, config_element_type,
1153 mi_lttng_calibratetype_string(calibrate->type));
1154 if (ret) {
1155 goto end;
1156 }
1157
1158 /* Closing calibrate element */
1159 ret = mi_lttng_writer_close_element(writer);
1160end:
1161 return ret;
1162}
89b72577
JRJ
1163LTTNG_HIDDEN
1164int mi_lttng_context(struct mi_writer *writer,
1165 struct lttng_event_context *context, int is_open)
1166{
1167 int ret;
1168 const char *type_string;
1169 struct lttng_event_perf_counter_ctx *perf_context;
1170 /* Open context */
1171 ret = mi_lttng_writer_open_element(writer , config_element_context);
1172 if (ret) {
1173 goto end;
1174 }
1175
1176 type_string = mi_lttng_event_contexttype_string(context->ctx);
1177 if (!type_string) {
1178 ret = -LTTNG_ERR_INVALID;
1179 goto end;
1180 }
1181
1182 /* Print context type */
1183 ret = mi_lttng_writer_write_element_string(writer, config_element_type,
1184 type_string);
1185
1186 /* Special case for PERF_*_COUNTER
1187 * print the lttng_event_perf_counter_ctx*/
1188 switch (context->ctx) {
1189 case LTTNG_EVENT_CONTEXT_PERF_COUNTER:
1190 case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER:
1191 case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER:
1192 perf_context = &context->u.perf_counter;
1193 ret = mi_lttng_perf_counter_context(writer, perf_context);
1194 if (ret) {
1195 goto end;
1196 }
1197 break;
1198 default:
1199 break;
1200 }
1201
1202 /* Close context */
1203 if (!is_open) {
1204 ret = mi_lttng_writer_close_element(writer);
1205 }
1206
1207end:
1208 return ret;
1209}
1210
1211LTTNG_HIDDEN
1212int mi_lttng_perf_counter_context(struct mi_writer *writer,
1213 struct lttng_event_perf_counter_ctx *perf_context)
1214{
1215 int ret;
1216
1217 /* Open perf_counter_context */
1218 ret = mi_lttng_writer_open_element(writer,
1219 mi_lttng_element_perf_counter_context);
1220 if (ret) {
1221 goto end;
1222 }
1223
1224 /* Type */
1225 ret = mi_lttng_writer_write_element_unsigned_int(writer,
1226 config_element_type, perf_context->type);
1227 if (ret) {
1228 goto end;
1229 }
1230
1231 /* Config */
1232 ret = mi_lttng_writer_write_element_unsigned_int(writer,
1233 config_element_config, perf_context->config);
1234 if (ret) {
1235 goto end;
1236 }
1237
1238 /* Name of the perf counter */
1239 ret = mi_lttng_writer_write_element_string(writer,
1240 config_element_name, perf_context->name);
1241 if (ret) {
1242 goto end;
1243 }
1244
1245 /* Close perf_counter_context */
1246 ret = mi_lttng_writer_close_element(writer);
1247end:
1248 return ret;
1249}
50534d6f
JRJ
1250
1251LTTNG_HIDDEN
1252int mi_lttng_snapshot_output_session_name(struct mi_writer *writer,
1253 const char *session_name)
1254{
1255 int ret;
1256
1257 /* Open session element */
1258 ret = mi_lttng_writer_open_element(writer, config_element_session);
1259 if (ret) {
1260 goto end;
1261 }
1262
1263 /* Snapshot output list for current session name */
1264 ret = mi_lttng_writer_write_element_string(writer, config_element_name,
1265 session_name);
1266
1267 /* Open element snapshots (sequence one snapshot) */
1268 ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots);
1269 if (ret) {
1270 goto end;
1271 }
1272
1273end:
1274 return ret;
1275}
1276
1277LTTNG_HIDDEN
1278int mi_lttng_snapshot_list_output(struct mi_writer *writer,
1279 struct lttng_snapshot_output *output)
1280{
1281 int ret;
1282
1283 /* Open element snapshot output */
1284 ret = mi_lttng_writer_open_element(writer,
1285 mi_lttng_element_command_snapshot);
1286 if (ret) {
1287 goto end;
1288 }
1289
1290 /* ID of the snapshot output */
1291 ret = mi_lttng_writer_write_element_unsigned_int(writer,
1292 mi_lttng_element_id, output->id);
1293 if (ret) {
1294 goto end;
1295 }
1296
1297 /* Name of the output */
1298 ret = mi_lttng_writer_write_element_string(writer, config_element_name,
1299 output->name);
1300 if (ret) {
1301 goto end;
1302 }
1303
1304 /* Destination of the output (ctrl_url)*/
1305 ret = mi_lttng_writer_write_element_string(writer,
1306 mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
1307 if (ret) {
1308 goto end;
1309 }
1310
1311 /* Destination of the output (data_url) */
1312 ret = mi_lttng_writer_write_element_string(writer,
1313 mi_lttng_element_snapshot_data_url, output->data_url);
1314 if (ret) {
1315 goto end;
1316 }
1317
1318 /* total size of all stream combined */
1319 ret = mi_lttng_writer_write_element_unsigned_int(writer,
1320 mi_lttng_element_snapshot_max_size, output->max_size);
1321 if (ret) {
1322 goto end;
1323 }
1324
1325 /* Close snapshot output element */
1326 ret = mi_lttng_writer_close_element(writer);
1327
1328end:
1329 return ret;
1330}
1331
1332LTTNG_HIDDEN
1333int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id,
1334 const char *name, const char *current_session_name)
1335{
1336 int ret;
1337
1338 /* Open element del_snapshot */
1339 ret = mi_lttng_writer_open_element(writer,
1340 mi_lttng_element_command_snapshot);
1341 if (ret) {
1342 goto end;
1343 }
1344
1345
1346 if (id != UINT32_MAX) {
1347 /* "Snapshot output "id" successfully deleted
1348 * for "current_session_name"
1349 * ID of the snapshot output
1350 */
1351 ret = mi_lttng_writer_write_element_unsigned_int(writer,
1352 mi_lttng_element_id, id);
1353 if (ret) {
1354 goto end;
1355 }
1356 } else {
1357 /* "Snapshot output "name" successfully deleted
1358 * for session "current_session_name"
1359 * Name of the output
1360 */
1361 ret = mi_lttng_writer_write_element_string(writer, config_element_name,
1362 name);
1363 if (ret) {
1364 goto end;
1365 }
1366 }
1367
1368 /* Snapshot was deleted for session "current_session_name"*/
1369 ret = mi_lttng_writer_write_element_string(writer,
1370 mi_lttng_element_snapshot_session_name,
1371 current_session_name);
1372 if (ret) {
1373 goto end;
1374 }
1375
1376 /* Close snapshot element */
1377 ret = mi_lttng_writer_close_element(writer);
1378
1379end:
1380 return ret;
1381}
1382
1383LTTNG_HIDDEN
1384int mi_lttng_snapshot_add_output(struct mi_writer *writer,
1385 const char *current_session_name, const char *n_ptr,
1386 struct lttng_snapshot_output *output)
1387{
1388 int ret;
1389
1390 /* Open element snapshot */
1391 ret = mi_lttng_writer_open_element(writer,
1392 mi_lttng_element_command_snapshot);
1393 if (ret) {
1394 goto end;
1395 }
1396
1397 /* Snapshot output id */
1398 ret = mi_lttng_writer_write_element_unsigned_int(writer,
1399 mi_lttng_element_id, output->id);
1400 if (ret) {
1401 goto end;
1402 }
1403
1404 /* Snapshot output names */
1405 ret = mi_lttng_writer_write_element_string(writer,
1406 config_element_name, n_ptr);
1407 if (ret) {
1408 goto end;
1409 }
1410
1411 /* Destination of the output (ctrl_url)*/
1412 ret = mi_lttng_writer_write_element_string(writer,
1413 mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
1414 if (ret) {
1415 goto end;
1416 }
1417
1418 /* Snapshot added for session "current_session_name"*/
1419 ret = mi_lttng_writer_write_element_string(writer,
1420 mi_lttng_element_snapshot_session_name, current_session_name);
1421 if (ret) {
1422 goto end;
1423 }
1424
1425 /* total size of all stream combined */
1426 ret = mi_lttng_writer_write_element_unsigned_int(writer,
1427 mi_lttng_element_snapshot_max_size, output->max_size);
1428 if (ret) {
1429 goto end;
1430 }
1431
1432 /* Close snapshot element */
1433 ret = mi_lttng_writer_close_element(writer);
1434
1435end:
1436 return ret;
1437}
1438
1439LTTNG_HIDDEN
1440int mi_lttng_snapshot_record(struct mi_writer *writer,
1441 const char *current_session_name, const char *url,
1442 const char *cmdline_ctrl_url, const char *cmdline_data_url)
1443{
1444 int ret;
1445
1446 /* Open element snapshot */
1447 ret = mi_lttng_writer_open_element(writer,
1448 mi_lttng_element_command_snapshot);
1449 if (ret) {
1450 goto end;
1451 }
1452
1453 /*
1454 * If a valid an URL was given, serialize it,
1455 * else take the command line data and ctrl urls*/
1456 if (url) {
1457 /* Destination of the output (ctrl_url)*/
1458 ret = mi_lttng_writer_write_element_string(writer,
1459 mi_lttng_element_snapshot_ctrl_url, url);
1460 if (ret) {
1461 goto end;
1462 }
1463 } else if (cmdline_ctrl_url) {
1464 /* Destination of the output (ctrl_url)*/
1465 ret = mi_lttng_writer_write_element_string(writer,
1466 mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url);
1467 if (ret) {
1468 goto end;
1469 }
1470
1471 /* Destination of the output (data_url) */
1472 ret = mi_lttng_writer_write_element_string(writer,
1473 mi_lttng_element_snapshot_data_url, cmdline_data_url);
1474 if (ret) {
1475 goto end;
1476 }
1477 }
1478
1479 /* Close record_snapshot element */
1480 ret = mi_lttng_writer_close_element(writer);
1481
1482end:
1483 return ret;
1484}
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