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