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"; | |
37d03ff7 | 29 | const char * const mi_lttng_element_command_name = "name"; |
c7e35b03 | 30 | const char * const mi_lttng_element_command_version = "version"; |
89476427 | 31 | const char * const mi_lttng_element_command_enable_event = "enable-event"; |
c7e35b03 | 32 | const char * const mi_lttng_element_command_list = "list"; |
1734c658 JRJ |
33 | const char * const mi_lttng_element_command_save = "save"; |
34 | const char * const mi_lttng_element_command_load = "load"; | |
1cfc0bc8 | 35 | const char * const mi_lttng_element_command_start = "start"; |
e5b83100 | 36 | const char * const mi_lttng_element_command_stop = "stop"; |
37d03ff7 | 37 | const char * const mi_lttng_element_command_create = "create"; |
65f25c66 | 38 | const char * const mi_lttng_element_command_destroy = "destroy"; |
7e66b1b0 | 39 | const char * const mi_lttng_element_command_calibrate = "calibrate"; |
89b72577 | 40 | const char * const mi_lttng_element_command_add_context = "add-context"; |
acc09215 | 41 | const char * const mi_lttng_element_command_enable_channels = "enable-channel"; |
ce91cd0b | 42 | const char * const mi_lttng_element_command_set_session = "set-session"; |
e4d484a5 | 43 | const char * const mi_lttng_element_command_disable_event = "disable-event"; |
50534d6f JRJ |
44 | const char * const mi_lttng_element_command_disable_channel = "disable-channel"; |
45 | const char * const mi_lttng_element_command_action = "snapshot_action"; | |
c7e35b03 | 46 | const char * const mi_lttng_element_command_output = "output"; |
1734c658 | 47 | const char * const mi_lttng_element_command_success = "success"; |
c7e35b03 | 48 | |
1734c658 | 49 | /* Strings related to version command */ |
c7e35b03 JR |
50 | const char * const mi_lttng_element_version = "version"; |
51 | const char * const mi_lttng_element_version_str = "string"; | |
52 | const char * const mi_lttng_element_version_web = "url"; | |
53 | const char * const mi_lttng_element_version_major = "major"; | |
54 | const char * const mi_lttng_element_version_minor = "minor"; | |
314d5222 | 55 | const char * const mi_lttng_element_version_commit = "commit"; |
c7e35b03 JR |
56 | const char * const mi_lttng_element_version_license = "license"; |
57 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; | |
58 | const char * const mi_lttng_element_version_description = "description"; | |
50534d6f JRJ |
59 | const char * const mi_lttng_element_command_snapshot = "snapshot"; |
60 | const char * const mi_lttng_element_command_list_snapshot = "list_snapshot"; | |
61 | const char * const mi_lttng_element_command_del_snapshot = "del_snapshot"; | |
62 | const char * const mi_lttng_element_command_add_snapshot = "add_snapshot"; | |
63 | const char * const mi_lttng_element_command_record_snapshot = "record_snapshot"; | |
c7e35b03 | 64 | |
5e18ec73 JR |
65 | /* Strings related to pid */ |
66 | const char * const mi_lttng_element_pids = "pids"; | |
67 | const char * const mi_lttng_element_pid = "pid"; | |
5e18ec73 | 68 | |
1734c658 JRJ |
69 | /* Strings related to save command */ |
70 | const char * const mi_lttng_element_save = "save"; | |
71 | ||
72 | /* Strings related to load command */ | |
73 | const char * const mi_lttng_element_load = "load"; | |
74 | ||
5e18ec73 JR |
75 | /* String related to a lttng_event_field */ |
76 | const char * const mi_lttng_element_event_field = "event_field"; | |
77 | const char * const mi_lttng_element_event_fields = "event_fields"; | |
78 | ||
89b72577 JRJ |
79 | /* String related to lttng_event_context */ |
80 | const char * const mi_lttng_context_type_perf_counter = "PERF_COUNTER"; | |
81 | const char * const mi_lttng_context_type_perf_cpu_counter = "PERF_CPU_COUNTER"; | |
82 | const char * const mi_lttng_context_type_perf_thread_counter = "PERF_THREAD_COUNTER"; | |
83 | ||
84 | /* String related to lttng_event_perf_counter_ctx */ | |
85 | const char * const mi_lttng_element_perf_counter_context = "perf_counter_context"; | |
86 | ||
5e18ec73 JR |
87 | /* General elements of mi_lttng */ |
88 | const char * const mi_lttng_element_type_other = "OTHER"; | |
89 | const char * const mi_lttng_element_type_integer = "INTEGER"; | |
90 | const char * const mi_lttng_element_type_enum = "ENUM"; | |
91 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
92 | const char * const mi_lttng_element_type_string = "STRING"; | |
93 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
89b72577 | 94 | const char * const mi_lttng_element_success = "success"; |
50534d6f JRJ |
95 | const char * const mi_lttng_element_id = "id"; |
96 | const char * const mi_lttng_element_empty = ""; | |
5e18ec73 JR |
97 | |
98 | /* String related to loglevel */ | |
99 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
100 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
101 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
102 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
103 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
104 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
105 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
106 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
107 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
108 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
109 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
110 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
111 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
112 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
113 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
114 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
115 | ||
1734c658 | 116 | /* String related to loglevel type */ |
5e18ec73 JR |
117 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
118 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
119 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
120 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
121 | ||
7e66b1b0 JRJ |
122 | /* String related to lttng_calibrate */ |
123 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
124 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
125 | ||
50534d6f JRJ |
126 | /* String related to a lttng_snapshot_output */ |
127 | const char * const mi_lttng_element_snapshots = "snapshots"; | |
128 | const char * const mi_lttng_element_snapshot_session_name = "session_name"; | |
129 | const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr"; | |
130 | const char * const mi_lttng_element_snapshot_data_url = "data_url"; | |
131 | const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url"; | |
132 | const char * const mi_lttng_element_snapshot_max_size = "max_size"; | |
5e18ec73 JR |
133 | |
134 | const char *mi_lttng_loglevel_string(int value) | |
135 | { | |
136 | switch (value) { | |
137 | case -1: | |
138 | return mi_lttng_element_empty; | |
139 | case LTTNG_LOGLEVEL_EMERG: | |
140 | return mi_lttng_loglevel_str_emerg; | |
141 | case LTTNG_LOGLEVEL_ALERT: | |
142 | return mi_lttng_loglevel_str_alert; | |
143 | case LTTNG_LOGLEVEL_CRIT: | |
144 | return mi_lttng_loglevel_str_crit; | |
145 | case LTTNG_LOGLEVEL_ERR: | |
146 | return mi_lttng_loglevel_str_err; | |
147 | case LTTNG_LOGLEVEL_WARNING: | |
148 | return mi_lttng_loglevel_str_warning; | |
149 | case LTTNG_LOGLEVEL_NOTICE: | |
150 | return mi_lttng_loglevel_str_notice; | |
151 | case LTTNG_LOGLEVEL_INFO: | |
152 | return mi_lttng_loglevel_str_info; | |
153 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
154 | return mi_lttng_loglevel_str_debug_system; | |
155 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
156 | return mi_lttng_loglevel_str_debug_program; | |
157 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
158 | return mi_lttng_loglevel_str_debug_process; | |
159 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
160 | return mi_lttng_loglevel_str_debug_module; | |
161 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
162 | return mi_lttng_loglevel_str_debug_unit; | |
163 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
164 | return mi_lttng_loglevel_str_debug_function; | |
165 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
166 | return mi_lttng_loglevel_str_debug_line; | |
167 | case LTTNG_LOGLEVEL_DEBUG: | |
168 | return mi_lttng_loglevel_str_debug; | |
169 | default: | |
170 | return mi_lttng_loglevel_str_unknown; | |
171 | } | |
172 | } | |
173 | ||
174 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
175 | { | |
176 | switch (value) { | |
177 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
178 | return mi_lttng_loglevel_type_all; | |
179 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
180 | return mi_lttng_loglevel_type_range; | |
181 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
182 | return mi_lttng_loglevel_type_single; | |
183 | default: | |
184 | return mi_lttng_loglevel_type_unknown; | |
185 | } | |
186 | } | |
187 | ||
188 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
189 | { | |
190 | switch (value) { | |
191 | case LTTNG_EVENT_ALL: | |
192 | return config_event_type_all; | |
193 | case LTTNG_EVENT_TRACEPOINT: | |
194 | return config_event_type_tracepoint; | |
195 | case LTTNG_EVENT_PROBE: | |
196 | return config_event_type_probe; | |
197 | case LTTNG_EVENT_FUNCTION: | |
198 | return config_event_type_function; | |
199 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
200 | return config_event_type_function_entry; | |
201 | case LTTNG_EVENT_SYSCALL: | |
202 | return config_event_type_syscall; | |
203 | case LTTNG_EVENT_NOOP: | |
204 | return config_event_type_noop; | |
205 | default: | |
206 | return mi_lttng_element_empty; | |
207 | } | |
208 | } | |
209 | ||
89b72577 JRJ |
210 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
211 | { | |
212 | switch (val) { | |
213 | case LTTNG_EVENT_CONTEXT_PID: | |
214 | return config_event_context_pid; | |
215 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
216 | return mi_lttng_context_type_perf_counter; | |
217 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
218 | return mi_lttng_context_type_perf_thread_counter; | |
219 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
220 | return mi_lttng_context_type_perf_cpu_counter; | |
221 | case LTTNG_EVENT_CONTEXT_PROCNAME: | |
222 | return config_event_context_procname; | |
223 | case LTTNG_EVENT_CONTEXT_PRIO: | |
224 | return config_event_context_prio; | |
225 | case LTTNG_EVENT_CONTEXT_NICE: | |
226 | return config_event_context_nice; | |
227 | case LTTNG_EVENT_CONTEXT_VPID: | |
228 | return config_event_context_vpid; | |
229 | case LTTNG_EVENT_CONTEXT_TID: | |
230 | return config_event_context_tid; | |
231 | case LTTNG_EVENT_CONTEXT_VTID: | |
232 | return config_event_context_vtid; | |
233 | case LTTNG_EVENT_CONTEXT_PPID: | |
234 | return config_event_context_ppid; | |
235 | case LTTNG_EVENT_CONTEXT_VPPID: | |
236 | return config_event_context_vppid; | |
237 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
238 | return config_event_context_pthread_id; | |
239 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
240 | return config_event_context_hostname; | |
241 | case LTTNG_EVENT_CONTEXT_IP: | |
242 | return config_event_context_ip; | |
243 | default: | |
244 | return NULL; | |
245 | } | |
246 | } | |
247 | ||
5e18ec73 JR |
248 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
249 | { | |
250 | switch (val) { | |
251 | case(LTTNG_EVENT_FIELD_INTEGER): | |
252 | return mi_lttng_element_type_integer; | |
253 | case(LTTNG_EVENT_FIELD_ENUM): | |
254 | return mi_lttng_element_type_enum; | |
255 | case(LTTNG_EVENT_FIELD_FLOAT): | |
256 | return mi_lttng_element_type_float; | |
257 | case(LTTNG_EVENT_FIELD_STRING): | |
258 | return mi_lttng_element_type_string; | |
259 | default: | |
260 | return mi_lttng_element_type_other; | |
261 | } | |
262 | } | |
263 | ||
264 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
265 | { | |
266 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
267 | switch (value) { | |
268 | case LTTNG_DOMAIN_KERNEL: | |
269 | return config_domain_type_kernel; | |
270 | case LTTNG_DOMAIN_UST: | |
271 | return config_domain_type_ust; | |
272 | case LTTNG_DOMAIN_JUL: | |
273 | return config_domain_type_jul; | |
274 | default: | |
275 | /* Should not have an unknown domain */ | |
276 | assert(0); | |
277 | } | |
278 | } | |
279 | ||
280 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
281 | { | |
282 | switch (value) { | |
283 | case LTTNG_BUFFER_PER_PID: | |
284 | return config_buffer_type_per_pid; | |
285 | case LTTNG_BUFFER_PER_UID: | |
286 | return config_buffer_type_per_uid; | |
287 | case LTTNG_BUFFER_GLOBAL: | |
288 | return config_buffer_type_global; | |
289 | default: | |
290 | /* Should not have an unknow buffer type */ | |
291 | assert(0); | |
292 | } | |
293 | } | |
294 | ||
7e66b1b0 JRJ |
295 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
296 | { | |
297 | const char *ret; | |
298 | ||
299 | switch (val) { | |
300 | case LTTNG_CALIBRATE_FUNCTION: | |
301 | ret = mi_lttng_element_calibrate_function; | |
302 | break; | |
303 | default: | |
304 | ret = mi_lttng_element_empty; | |
305 | break; | |
306 | } | |
307 | return ret; | |
308 | } | |
309 | ||
c7e35b03 JR |
310 | LTTNG_HIDDEN |
311 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
312 | { | |
313 | struct mi_writer *mi_writer; | |
314 | ||
315 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
316 | if (!mi_writer) { | |
317 | PERROR("zmalloc mi_writer_create"); | |
318 | goto end; | |
319 | } | |
320 | if (mi_output_type == LTTNG_MI_XML) { | |
321 | mi_writer->writer = config_writer_create(fd_output); | |
322 | if (!mi_writer->writer) { | |
323 | goto err_destroy; | |
324 | } | |
325 | mi_writer->type = LTTNG_MI_XML; | |
326 | } else { | |
327 | goto err_destroy; | |
328 | } | |
329 | ||
330 | end: | |
331 | return mi_writer; | |
332 | ||
333 | err_destroy: | |
334 | free(mi_writer); | |
335 | return NULL; | |
336 | } | |
337 | ||
338 | LTTNG_HIDDEN | |
339 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
340 | { | |
341 | int ret; | |
342 | ||
343 | if (!writer) { | |
344 | ret = -EINVAL; | |
345 | goto end; | |
346 | } | |
347 | ||
348 | ret = config_writer_destroy(writer->writer); | |
349 | if (ret < 0) { | |
350 | goto end; | |
351 | } | |
352 | ||
353 | free(writer); | |
354 | end: | |
355 | return ret; | |
356 | } | |
357 | ||
358 | LTTNG_HIDDEN | |
359 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
360 | { | |
361 | int ret; | |
362 | ||
363 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
364 | if (ret) { | |
365 | goto end; | |
366 | } | |
367 | ret = mi_lttng_writer_write_element_string(writer, | |
368 | mi_lttng_element_command_name, command); | |
369 | end: | |
370 | return ret; | |
371 | } | |
372 | ||
373 | LTTNG_HIDDEN | |
374 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
375 | { | |
376 | return mi_lttng_writer_close_element(writer); | |
377 | } | |
378 | ||
379 | LTTNG_HIDDEN | |
380 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
381 | const char *element_name) | |
382 | { | |
383 | return config_writer_open_element(writer->writer, element_name); | |
384 | } | |
385 | ||
386 | LTTNG_HIDDEN | |
387 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
388 | { | |
389 | return config_writer_close_element(writer->writer); | |
390 | } | |
391 | ||
5e18ec73 JR |
392 | LTTNG_HIDDEN |
393 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
394 | unsigned int nb_element) | |
395 | { | |
396 | int ret, i; | |
397 | ||
398 | if (nb_element < 1) { | |
399 | ret = 0; | |
400 | goto end; | |
401 | } | |
402 | for (i = 0; i < nb_element; i++) { | |
403 | ret = mi_lttng_writer_close_element(writer); | |
404 | if (ret) { | |
405 | goto end; | |
406 | } | |
407 | } | |
408 | end: | |
409 | return ret; | |
410 | } | |
411 | ||
c7e35b03 JR |
412 | LTTNG_HIDDEN |
413 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
414 | const char *element_name, uint64_t value) | |
415 | { | |
416 | return config_writer_write_element_unsigned_int(writer->writer, | |
417 | element_name, value); | |
418 | } | |
419 | ||
420 | LTTNG_HIDDEN | |
421 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
422 | const char *element_name, int64_t value) | |
423 | { | |
424 | return config_writer_write_element_signed_int(writer->writer, | |
425 | element_name, value); | |
426 | } | |
427 | ||
428 | LTTNG_HIDDEN | |
429 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
430 | const char *element_name, int value) | |
431 | { | |
432 | return config_writer_write_element_bool(writer->writer, | |
433 | element_name, value); | |
434 | } | |
435 | ||
436 | LTTNG_HIDDEN | |
437 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
438 | const char *element_name, const char *value) | |
439 | { | |
440 | return config_writer_write_element_string(writer->writer, | |
441 | element_name, value); | |
442 | } | |
443 | ||
444 | LTTNG_HIDDEN | |
445 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
446 | const char *lttng_description, const char *lttng_license) | |
447 | { | |
448 | int ret; | |
449 | ||
450 | /* Open version */ | |
451 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
452 | if (ret) { | |
453 | goto end; | |
454 | } | |
455 | ||
456 | /* Version string (contain info like rc etc.) */ | |
457 | ret = mi_lttng_writer_write_element_string(writer, | |
458 | mi_lttng_element_version_str, VERSION); | |
459 | if (ret) { | |
460 | goto end; | |
461 | } | |
462 | ||
463 | /* Major version number */ | |
464 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
465 | mi_lttng_element_version_major, version->version_major); | |
466 | if (ret) { | |
467 | goto end; | |
468 | } | |
469 | ||
470 | /* Minor version number */ | |
471 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
472 | mi_lttng_element_version_minor, version->version_minor); | |
473 | if (ret) { | |
474 | goto end; | |
475 | } | |
476 | ||
314d5222 JRJ |
477 | /* Commit version number */ |
478 | ret = mi_lttng_writer_write_element_string(writer, | |
479 | mi_lttng_element_version_commit, version->version_commit); | |
480 | if (ret) { | |
481 | goto end; | |
482 | } | |
483 | ||
c7e35b03 JR |
484 | /* Patch number */ |
485 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
486 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
487 | if (ret) { | |
488 | goto end; | |
489 | } | |
490 | ||
491 | /* Name of the version */ | |
492 | ret = mi_lttng_writer_write_element_string(writer, | |
493 | config_element_name, version->version_name); | |
494 | if (ret) { | |
495 | goto end; | |
496 | } | |
497 | ||
498 | /* Description mostly related to beer... */ | |
499 | ret = mi_lttng_writer_write_element_string(writer, | |
500 | mi_lttng_element_version_description, lttng_description); | |
501 | if (ret) { | |
502 | goto end; | |
503 | } | |
504 | ||
505 | /* url */ | |
506 | ret = mi_lttng_writer_write_element_string(writer, | |
507 | mi_lttng_element_version_web, version->package_url); | |
508 | if (ret) { | |
509 | goto end; | |
510 | } | |
511 | ||
512 | /* License: free as in free beer...no...*speech* */ | |
513 | ret = mi_lttng_writer_write_element_string(writer, | |
514 | mi_lttng_element_version_license, lttng_license); | |
515 | if (ret) { | |
516 | goto end; | |
517 | } | |
518 | ||
519 | /* Close version element */ | |
520 | ret = mi_lttng_writer_close_element(writer); | |
521 | ||
522 | end: | |
523 | return ret; | |
524 | } | |
525 | ||
5e18ec73 JR |
526 | LTTNG_HIDDEN |
527 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
528 | { | |
529 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
530 | } | |
531 | ||
c7e35b03 JR |
532 | LTTNG_HIDDEN |
533 | int mi_lttng_session(struct mi_writer *writer, | |
534 | struct lttng_session *session, int is_open) | |
535 | { | |
536 | int ret; | |
537 | ||
5e18ec73 JR |
538 | assert(session); |
539 | ||
540 | /* Open sessions element */ | |
c7e35b03 JR |
541 | ret = mi_lttng_writer_open_element(writer, |
542 | config_element_session); | |
543 | if (ret) { | |
544 | goto end; | |
545 | } | |
546 | ||
547 | /* Name of the session */ | |
548 | ret = mi_lttng_writer_write_element_string(writer, | |
549 | config_element_name, session->name); | |
550 | if (ret) { | |
551 | goto end; | |
552 | } | |
553 | ||
5e18ec73 | 554 | /* Path */ |
c7e35b03 JR |
555 | ret = mi_lttng_writer_write_element_string(writer, |
556 | config_element_path, session->path); | |
557 | if (ret) { | |
558 | goto end; | |
559 | } | |
560 | ||
5e18ec73 JR |
561 | /* Enabled ? */ |
562 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
563 | config_element_enabled, session->enabled); |
564 | if (ret) { | |
565 | goto end; | |
566 | } | |
567 | ||
5e18ec73 | 568 | /* Snapshot mode */ |
c7e35b03 JR |
569 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
570 | config_element_snapshot_mode, session->snapshot_mode); | |
571 | if (ret) { | |
572 | goto end; | |
573 | } | |
574 | ||
5e18ec73 | 575 | /* Live timer interval in usec */ |
c7e35b03 JR |
576 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
577 | config_element_live_timer_interval, | |
578 | session->live_timer_interval); | |
579 | if (ret) { | |
580 | goto end; | |
581 | } | |
582 | ||
583 | if (!is_open) { | |
584 | /* Closing session element */ | |
585 | ret = mi_lttng_writer_close_element(writer); | |
586 | } | |
587 | end: | |
588 | return ret; | |
589 | ||
590 | } | |
5e18ec73 JR |
591 | |
592 | LTTNG_HIDDEN | |
593 | int mi_lttng_domains_open(struct mi_writer *writer) | |
594 | { | |
595 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
596 | } | |
597 | ||
598 | LTTNG_HIDDEN | |
599 | int mi_lttng_domain(struct mi_writer *writer, | |
600 | struct lttng_domain *domain, int is_open) | |
601 | { | |
602 | int ret = 0; | |
603 | const char *str_domain; | |
604 | const char *str_buffer; | |
605 | ||
606 | assert(domain); | |
607 | ||
608 | /* Open domain element */ | |
609 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
610 | if (ret) { | |
611 | goto end; | |
612 | } | |
613 | ||
614 | /* Domain Type */ | |
615 | str_domain = mi_lttng_domaintype_string(domain->type); | |
616 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
617 | str_domain); | |
618 | if (ret) { | |
619 | goto end; | |
620 | } | |
621 | ||
622 | /* Buffer Type */ | |
623 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
624 | ret = mi_lttng_writer_write_element_string(writer, | |
625 | config_element_buffer_type, str_buffer); | |
626 | if (ret) { | |
627 | goto end; | |
628 | } | |
629 | ||
630 | /* TODO: attr... not sure how to use the union.... */ | |
631 | ||
632 | if (!is_open) { | |
633 | /* Closing domain element */ | |
634 | ret = mi_lttng_writer_close_element(writer); | |
635 | } | |
636 | ||
637 | end: | |
638 | return ret; | |
639 | ||
640 | } | |
641 | ||
642 | LTTNG_HIDDEN | |
643 | int mi_lttng_channels_open(struct mi_writer *writer) | |
644 | { | |
645 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
646 | } | |
647 | ||
648 | LTTNG_HIDDEN | |
649 | int mi_lttng_channel(struct mi_writer *writer, | |
650 | struct lttng_channel *channel, int is_open) | |
651 | { | |
652 | int ret = 0; | |
653 | ||
654 | assert(channel); | |
655 | ||
656 | /* Opening channel element */ | |
657 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
658 | if (ret) { | |
659 | goto end; | |
660 | } | |
661 | ||
662 | /* Name */ | |
663 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
664 | channel->name); | |
665 | if (ret) { | |
666 | goto end; | |
667 | } | |
668 | ||
669 | /* Enabled ? */ | |
670 | ret = mi_lttng_writer_write_element_bool(writer, | |
671 | config_element_enabled, channel->enabled); | |
672 | if (ret) { | |
673 | goto end; | |
674 | } | |
675 | ||
676 | /* Attribute */ | |
677 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
678 | if (ret) { | |
679 | goto end; | |
680 | } | |
681 | ||
682 | if (!is_open) { | |
683 | /* Closing channel element */ | |
684 | ret = mi_lttng_writer_close_element(writer); | |
685 | if (ret) { | |
686 | goto end; | |
687 | } | |
688 | } | |
689 | end: | |
690 | return ret; | |
691 | } | |
692 | ||
693 | LTTNG_HIDDEN | |
694 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
695 | struct lttng_channel_attr *attr) | |
696 | { | |
697 | int ret = 0; | |
698 | ||
699 | assert(attr); | |
700 | ||
701 | /* Opening Attributes */ | |
702 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
703 | if (ret) { | |
704 | goto end; | |
705 | } | |
706 | ||
707 | /* Overwrite */ | |
708 | ret = mi_lttng_writer_write_element_string(writer, | |
709 | config_element_overwrite_mode, | |
710 | attr->overwrite ? config_overwrite_mode_overwrite : | |
711 | config_overwrite_mode_discard); | |
712 | if (ret) { | |
713 | goto end; | |
714 | } | |
715 | ||
716 | /* Sub buffer size in byte */ | |
717 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
718 | config_element_subbuf_size, attr->subbuf_size); | |
719 | if (ret) { | |
720 | goto end; | |
721 | } | |
722 | ||
723 | /* Number of subbuffer (power of two) */ | |
724 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
725 | config_element_num_subbuf, | |
726 | attr->num_subbuf); | |
727 | if (ret) { | |
728 | goto end; | |
729 | } | |
730 | ||
731 | /* Switch timer interval in usec */ | |
732 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
733 | config_element_switch_timer_interval, | |
734 | attr->switch_timer_interval); | |
735 | if (ret) { | |
736 | goto end; | |
737 | } | |
738 | ||
739 | /* Read timer interval in usec */ | |
740 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
741 | config_element_read_timer_interval, | |
742 | attr->read_timer_interval); | |
743 | if (ret) { | |
744 | goto end; | |
745 | } | |
746 | ||
747 | /* Event output */ | |
748 | ret = mi_lttng_writer_write_element_string(writer, | |
749 | config_element_output_type, | |
750 | attr->output == LTTNG_EVENT_SPLICE ? | |
751 | config_output_type_splice : config_output_type_mmap); | |
752 | if (ret) { | |
753 | goto end; | |
754 | } | |
755 | ||
756 | /* Tracefile size in bytes */ | |
757 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
758 | config_element_tracefile_size, attr->tracefile_size); | |
759 | if (ret) { | |
760 | goto end; | |
761 | } | |
762 | ||
763 | /* Count of tracefiles */ | |
764 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
765 | config_element_tracefile_count, | |
766 | attr->tracefile_count); | |
767 | if (ret) { | |
768 | goto end; | |
769 | } | |
770 | ||
771 | /* Live timer interval in usec*/ | |
772 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
773 | config_element_live_timer_interval, | |
774 | attr->live_timer_interval); | |
775 | if (ret) { | |
776 | goto end; | |
777 | } | |
778 | ||
779 | /* Closing attributes */ | |
780 | ret = mi_lttng_writer_close_element(writer); | |
781 | if (ret) { | |
782 | goto end; | |
783 | } | |
784 | end: | |
785 | return ret; | |
786 | ||
787 | } | |
788 | ||
789 | LTTNG_HIDDEN | |
790 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
791 | struct lttng_event *event) | |
792 | { | |
793 | int ret; | |
794 | ||
795 | /* Open event element */ | |
796 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
797 | if (ret) { | |
798 | goto end; | |
799 | } | |
800 | ||
801 | /* event name */ | |
802 | ret = mi_lttng_writer_write_element_string(writer, | |
803 | config_element_name, event->name); | |
804 | if (ret) { | |
805 | goto end; | |
806 | } | |
807 | ||
808 | /* event type */ | |
809 | ret = mi_lttng_writer_write_element_string(writer, | |
810 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
811 | if (ret) { | |
812 | goto end; | |
813 | } | |
814 | ||
815 | /* is event enabled */ | |
816 | ret = mi_lttng_writer_write_element_bool(writer, | |
817 | config_element_enabled, event->enabled); | |
818 | if (ret) { | |
819 | goto end; | |
820 | } | |
821 | ||
822 | /* event filter enabled? */ | |
823 | ret = mi_lttng_writer_write_element_bool(writer, | |
824 | config_element_filter, event->filter); | |
825 | ||
826 | end: | |
827 | return ret; | |
828 | } | |
829 | ||
830 | LTTNG_HIDDEN | |
831 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
832 | struct lttng_event *event) | |
833 | { | |
834 | int ret; | |
835 | ||
836 | /* event loglevel */ | |
837 | ret = mi_lttng_writer_write_element_string(writer, | |
838 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
839 | if (ret) { | |
840 | goto end; | |
841 | } | |
842 | ||
843 | ret = mi_lttng_writer_write_element_string(writer, | |
844 | config_element_loglevel_type, | |
845 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
846 | if (ret) { | |
847 | goto end; | |
848 | } | |
849 | ||
850 | /* event exclusion filter */ | |
851 | ret = mi_lttng_writer_write_element_bool(writer, | |
852 | config_element_exclusion, event->exclusion); | |
853 | if (ret) { | |
854 | goto end; | |
855 | } | |
856 | ||
857 | end: | |
858 | return ret; | |
859 | } | |
860 | ||
861 | LTTNG_HIDDEN | |
862 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
863 | struct lttng_event *event) | |
864 | { | |
865 | /* event exclusion filter */ | |
866 | return mi_lttng_writer_write_element_bool(writer, | |
867 | config_element_exclusion, event->exclusion); | |
868 | } | |
869 | ||
870 | LTTNG_HIDDEN | |
871 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
872 | struct lttng_event *event) | |
873 | { | |
874 | int ret; | |
875 | ||
876 | if (event->attr.probe.addr != 0) { | |
877 | /* event probe address */ | |
878 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
879 | config_element_address, event->attr.probe.addr); | |
880 | if (ret) { | |
881 | goto end; | |
882 | } | |
883 | } else { | |
884 | /* event probe offset */ | |
885 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
886 | config_element_offset, event->attr.probe.offset); | |
887 | if (ret) { | |
888 | goto end; | |
889 | } | |
890 | ||
891 | /* event probe symbol_name */ | |
892 | ret = mi_lttng_writer_write_element_string(writer, | |
893 | config_element_symbol_name, event->attr.probe.symbol_name); | |
894 | if (ret) { | |
895 | goto end; | |
896 | } | |
897 | } | |
898 | end: | |
899 | return ret; | |
900 | } | |
901 | ||
902 | LTTNG_HIDDEN | |
903 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
904 | struct lttng_event *event) | |
905 | { | |
906 | /* event probe symbol_name */ | |
907 | return mi_lttng_writer_write_element_string(writer, | |
908 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
909 | } | |
910 | ||
911 | LTTNG_HIDDEN | |
912 | int mi_lttng_events_open(struct mi_writer *writer) | |
913 | { | |
914 | return mi_lttng_writer_open_element(writer, config_element_events); | |
915 | } | |
916 | ||
917 | LTTNG_HIDDEN | |
918 | int mi_lttng_event(struct mi_writer *writer, | |
919 | struct lttng_event *event, int is_open) | |
920 | { | |
921 | int ret; | |
922 | ||
923 | ret = mi_lttng_event_common_attributes(writer, event); | |
924 | if (ret) { | |
925 | goto end; | |
926 | } | |
927 | ||
928 | switch (event->type) { | |
5e18ec73 JR |
929 | case LTTNG_EVENT_TRACEPOINT: |
930 | { | |
931 | if (event->loglevel != -1) { | |
932 | ret = mi_lttng_event_tracepoint_loglevel(writer, event); | |
933 | } else { | |
934 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
935 | } | |
936 | break; | |
937 | } | |
938 | case LTTNG_EVENT_PROBE: | |
939 | ret = mi_lttng_event_function_probe(writer, event); | |
940 | break; | |
941 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
942 | ret = mi_lttng_event_function_entry(writer, event); | |
943 | break; | |
89476427 JRJ |
944 | case LTTNG_EVENT_ALL: |
945 | /* Fallthrough */ | |
5e18ec73 JR |
946 | default: |
947 | break; | |
948 | } | |
949 | ||
950 | if (!is_open) { | |
951 | ret = mi_lttng_writer_close_element(writer); | |
952 | } | |
953 | ||
954 | end: | |
955 | return ret; | |
956 | } | |
957 | ||
958 | LTTNG_HIDDEN | |
959 | int mi_lttng_pids_open(struct mi_writer *writer) | |
960 | { | |
961 | return mi_lttng_writer_open_element(writer, mi_lttng_element_pids); | |
962 | } | |
963 | ||
964 | LTTNG_HIDDEN | |
965 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline, | |
966 | int is_open) | |
967 | { | |
968 | int ret; | |
969 | ||
970 | /* Open element pid */ | |
971 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid); | |
972 | if (ret) { | |
973 | goto end; | |
974 | } | |
975 | ||
976 | /* Writing pid number */ | |
977 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
978 | mi_lttng_element_pid_id, (int)pid); | |
979 | if (ret) { | |
980 | goto end; | |
981 | } | |
982 | ||
983 | /* Writing name of the process */ | |
984 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
985 | cmdline); | |
986 | if (ret) { | |
987 | goto end; | |
988 | } | |
989 | ||
990 | if (!is_open) { | |
991 | /* Closing Pid */ | |
992 | ret = mi_lttng_writer_close_element(writer); | |
993 | } | |
994 | ||
995 | end: | |
996 | return ret; | |
997 | } | |
998 | ||
999 | LTTNG_HIDDEN | |
1000 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
1001 | { | |
1002 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
1003 | } | |
1004 | ||
1005 | LTTNG_HIDDEN | |
1006 | int mi_lttng_event_field(struct mi_writer *writer, | |
1007 | struct lttng_event_field *field) | |
1008 | { | |
1009 | int ret; | |
1010 | ||
1011 | if (!field->field_name[0]) { | |
1012 | /* To Review: not sure if legal david ? | |
1013 | * how should this be handle ? | |
1014 | */ | |
1015 | ret = 0; | |
1016 | goto end; | |
1017 | } | |
1018 | ||
1019 | /* Open field */ | |
1020 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1021 | if (ret) { | |
1022 | goto end; | |
1023 | } | |
1024 | ||
1025 | if (!field->field_name[0]) { | |
1026 | goto close; | |
1027 | } | |
1028 | ||
1029 | /* Name */ | |
1030 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1031 | field->field_name); | |
1032 | if (ret) { | |
1033 | goto end; | |
1034 | } | |
1035 | ||
1036 | /* Type */ | |
1037 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1038 | mi_lttng_eventfieldtype_string(field->type)); | |
1039 | if (ret) { | |
1040 | goto end; | |
1041 | } | |
1042 | ||
1043 | /* nowrite */ | |
1044 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1045 | mi_lttng_element_nowrite, field->nowrite); | |
1046 | if (ret) { | |
1047 | goto end; | |
1048 | } | |
1049 | ||
1050 | close: | |
1051 | /* Close field element */ | |
1052 | ret = mi_lttng_writer_close_element(writer); | |
1053 | ||
1054 | end: | |
1055 | return ret; | |
1056 | } | |
7e66b1b0 JRJ |
1057 | |
1058 | LTTNG_HIDDEN | |
1059 | int mi_lttng_calibrate(struct mi_writer *writer, | |
1060 | struct lttng_calibrate *calibrate) | |
1061 | { | |
1062 | int ret; | |
1063 | ||
1064 | /* Open calibrate element */ | |
1065 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate); | |
1066 | if (ret) { | |
1067 | goto end; | |
1068 | } | |
1069 | ||
1070 | /* Calibration type */ | |
1071 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1072 | mi_lttng_calibratetype_string(calibrate->type)); | |
1073 | if (ret) { | |
1074 | goto end; | |
1075 | } | |
1076 | ||
1077 | /* Closing calibrate element */ | |
1078 | ret = mi_lttng_writer_close_element(writer); | |
1079 | end: | |
1080 | return ret; | |
1081 | } | |
89b72577 JRJ |
1082 | LTTNG_HIDDEN |
1083 | int mi_lttng_context(struct mi_writer *writer, | |
1084 | struct lttng_event_context *context, int is_open) | |
1085 | { | |
1086 | int ret; | |
1087 | const char *type_string; | |
1088 | struct lttng_event_perf_counter_ctx *perf_context; | |
1089 | /* Open context */ | |
1090 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
1091 | if (ret) { | |
1092 | goto end; | |
1093 | } | |
1094 | ||
1095 | type_string = mi_lttng_event_contexttype_string(context->ctx); | |
1096 | if (!type_string) { | |
1097 | ret = -LTTNG_ERR_INVALID; | |
1098 | goto end; | |
1099 | } | |
1100 | ||
1101 | /* Print context type */ | |
1102 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1103 | type_string); | |
1104 | ||
1105 | /* Special case for PERF_*_COUNTER | |
1106 | * print the lttng_event_perf_counter_ctx*/ | |
1107 | switch (context->ctx) { | |
1108 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1109 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1110 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1111 | perf_context = &context->u.perf_counter; | |
1112 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1113 | if (ret) { | |
1114 | goto end; | |
1115 | } | |
1116 | break; | |
1117 | default: | |
1118 | break; | |
1119 | } | |
1120 | ||
1121 | /* Close context */ | |
1122 | if (!is_open) { | |
1123 | ret = mi_lttng_writer_close_element(writer); | |
1124 | } | |
1125 | ||
1126 | end: | |
1127 | return ret; | |
1128 | } | |
1129 | ||
1130 | LTTNG_HIDDEN | |
1131 | int mi_lttng_perf_counter_context(struct mi_writer *writer, | |
1132 | struct lttng_event_perf_counter_ctx *perf_context) | |
1133 | { | |
1134 | int ret; | |
1135 | ||
1136 | /* Open perf_counter_context */ | |
1137 | ret = mi_lttng_writer_open_element(writer, | |
1138 | mi_lttng_element_perf_counter_context); | |
1139 | if (ret) { | |
1140 | goto end; | |
1141 | } | |
1142 | ||
1143 | /* Type */ | |
1144 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1145 | config_element_type, perf_context->type); | |
1146 | if (ret) { | |
1147 | goto end; | |
1148 | } | |
1149 | ||
1150 | /* Config */ | |
1151 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1152 | config_element_config, perf_context->config); | |
1153 | if (ret) { | |
1154 | goto end; | |
1155 | } | |
1156 | ||
1157 | /* Name of the perf counter */ | |
1158 | ret = mi_lttng_writer_write_element_string(writer, | |
1159 | config_element_name, perf_context->name); | |
1160 | if (ret) { | |
1161 | goto end; | |
1162 | } | |
1163 | ||
1164 | /* Close perf_counter_context */ | |
1165 | ret = mi_lttng_writer_close_element(writer); | |
1166 | end: | |
1167 | return ret; | |
1168 | } | |
50534d6f JRJ |
1169 | |
1170 | LTTNG_HIDDEN | |
1171 | int mi_lttng_snapshot_output_session_name(struct mi_writer *writer, | |
1172 | const char *session_name) | |
1173 | { | |
1174 | int ret; | |
1175 | ||
1176 | /* Open session element */ | |
1177 | ret = mi_lttng_writer_open_element(writer, config_element_session); | |
1178 | if (ret) { | |
1179 | goto end; | |
1180 | } | |
1181 | ||
1182 | /* Snapshot output list for current session name */ | |
1183 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1184 | session_name); | |
1185 | ||
1186 | /* Open element snapshots (sequence one snapshot) */ | |
1187 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots); | |
1188 | if (ret) { | |
1189 | goto end; | |
1190 | } | |
1191 | ||
1192 | end: | |
1193 | return ret; | |
1194 | } | |
1195 | ||
1196 | LTTNG_HIDDEN | |
1197 | int mi_lttng_snapshot_list_output(struct mi_writer *writer, | |
1198 | struct lttng_snapshot_output *output) | |
1199 | { | |
1200 | int ret; | |
1201 | ||
1202 | /* Open element snapshot output */ | |
1203 | ret = mi_lttng_writer_open_element(writer, | |
1204 | mi_lttng_element_command_snapshot); | |
1205 | if (ret) { | |
1206 | goto end; | |
1207 | } | |
1208 | ||
1209 | /* ID of the snapshot output */ | |
1210 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1211 | mi_lttng_element_id, output->id); | |
1212 | if (ret) { | |
1213 | goto end; | |
1214 | } | |
1215 | ||
1216 | /* Name of the output */ | |
1217 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1218 | output->name); | |
1219 | if (ret) { | |
1220 | goto end; | |
1221 | } | |
1222 | ||
1223 | /* Destination of the output (ctrl_url)*/ | |
1224 | ret = mi_lttng_writer_write_element_string(writer, | |
1225 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1226 | if (ret) { | |
1227 | goto end; | |
1228 | } | |
1229 | ||
1230 | /* Destination of the output (data_url) */ | |
1231 | ret = mi_lttng_writer_write_element_string(writer, | |
1232 | mi_lttng_element_snapshot_data_url, output->data_url); | |
1233 | if (ret) { | |
1234 | goto end; | |
1235 | } | |
1236 | ||
1237 | /* total size of all stream combined */ | |
1238 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1239 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1240 | if (ret) { | |
1241 | goto end; | |
1242 | } | |
1243 | ||
1244 | /* Close snapshot output element */ | |
1245 | ret = mi_lttng_writer_close_element(writer); | |
1246 | ||
1247 | end: | |
1248 | return ret; | |
1249 | } | |
1250 | ||
1251 | LTTNG_HIDDEN | |
1252 | int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id, | |
1253 | const char *name, const char *current_session_name) | |
1254 | { | |
1255 | int ret; | |
1256 | ||
1257 | /* Open element del_snapshot */ | |
1258 | ret = mi_lttng_writer_open_element(writer, | |
1259 | mi_lttng_element_command_snapshot); | |
1260 | if (ret) { | |
1261 | goto end; | |
1262 | } | |
1263 | ||
1264 | ||
1265 | if (id != UINT32_MAX) { | |
1266 | /* "Snapshot output "id" successfully deleted | |
1267 | * for "current_session_name" | |
1268 | * ID of the snapshot output | |
1269 | */ | |
1270 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1271 | mi_lttng_element_id, id); | |
1272 | if (ret) { | |
1273 | goto end; | |
1274 | } | |
1275 | } else { | |
1276 | /* "Snapshot output "name" successfully deleted | |
1277 | * for session "current_session_name" | |
1278 | * Name of the output | |
1279 | */ | |
1280 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1281 | name); | |
1282 | if (ret) { | |
1283 | goto end; | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | /* Snapshot was deleted for session "current_session_name"*/ | |
1288 | ret = mi_lttng_writer_write_element_string(writer, | |
1289 | mi_lttng_element_snapshot_session_name, | |
1290 | current_session_name); | |
1291 | if (ret) { | |
1292 | goto end; | |
1293 | } | |
1294 | ||
1295 | /* Close snapshot element */ | |
1296 | ret = mi_lttng_writer_close_element(writer); | |
1297 | ||
1298 | end: | |
1299 | return ret; | |
1300 | } | |
1301 | ||
1302 | LTTNG_HIDDEN | |
1303 | int mi_lttng_snapshot_add_output(struct mi_writer *writer, | |
1304 | const char *current_session_name, const char *n_ptr, | |
1305 | struct lttng_snapshot_output *output) | |
1306 | { | |
1307 | int ret; | |
1308 | ||
1309 | /* Open element snapshot */ | |
1310 | ret = mi_lttng_writer_open_element(writer, | |
1311 | mi_lttng_element_command_snapshot); | |
1312 | if (ret) { | |
1313 | goto end; | |
1314 | } | |
1315 | ||
1316 | /* Snapshot output id */ | |
1317 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1318 | mi_lttng_element_id, output->id); | |
1319 | if (ret) { | |
1320 | goto end; | |
1321 | } | |
1322 | ||
1323 | /* Snapshot output names */ | |
1324 | ret = mi_lttng_writer_write_element_string(writer, | |
1325 | config_element_name, n_ptr); | |
1326 | if (ret) { | |
1327 | goto end; | |
1328 | } | |
1329 | ||
1330 | /* Destination of the output (ctrl_url)*/ | |
1331 | ret = mi_lttng_writer_write_element_string(writer, | |
1332 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1333 | if (ret) { | |
1334 | goto end; | |
1335 | } | |
1336 | ||
1337 | /* Snapshot added for session "current_session_name"*/ | |
1338 | ret = mi_lttng_writer_write_element_string(writer, | |
1339 | mi_lttng_element_snapshot_session_name, current_session_name); | |
1340 | if (ret) { | |
1341 | goto end; | |
1342 | } | |
1343 | ||
1344 | /* total size of all stream combined */ | |
1345 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1346 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1347 | if (ret) { | |
1348 | goto end; | |
1349 | } | |
1350 | ||
1351 | /* Close snapshot element */ | |
1352 | ret = mi_lttng_writer_close_element(writer); | |
1353 | ||
1354 | end: | |
1355 | return ret; | |
1356 | } | |
1357 | ||
1358 | LTTNG_HIDDEN | |
1359 | int mi_lttng_snapshot_record(struct mi_writer *writer, | |
1360 | const char *current_session_name, const char *url, | |
1361 | const char *cmdline_ctrl_url, const char *cmdline_data_url) | |
1362 | { | |
1363 | int ret; | |
1364 | ||
1365 | /* Open element snapshot */ | |
1366 | ret = mi_lttng_writer_open_element(writer, | |
1367 | mi_lttng_element_command_snapshot); | |
1368 | if (ret) { | |
1369 | goto end; | |
1370 | } | |
1371 | ||
1372 | /* | |
1373 | * If a valid an URL was given, serialize it, | |
1374 | * else take the command line data and ctrl urls*/ | |
1375 | if (url) { | |
1376 | /* Destination of the output (ctrl_url)*/ | |
1377 | ret = mi_lttng_writer_write_element_string(writer, | |
1378 | mi_lttng_element_snapshot_ctrl_url, url); | |
1379 | if (ret) { | |
1380 | goto end; | |
1381 | } | |
1382 | } else if (cmdline_ctrl_url) { | |
1383 | /* Destination of the output (ctrl_url)*/ | |
1384 | ret = mi_lttng_writer_write_element_string(writer, | |
1385 | mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url); | |
1386 | if (ret) { | |
1387 | goto end; | |
1388 | } | |
1389 | ||
1390 | /* Destination of the output (data_url) */ | |
1391 | ret = mi_lttng_writer_write_element_string(writer, | |
1392 | mi_lttng_element_snapshot_data_url, cmdline_data_url); | |
1393 | if (ret) { | |
1394 | goto end; | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | /* Close record_snapshot element */ | |
1399 | ret = mi_lttng_writer_close_element(writer); | |
1400 | ||
1401 | end: | |
1402 | return ret; | |
1403 | } |