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 | ||
136f2f81 JRJ |
117 | /* String related to loglevel JUL */ |
118 | const char * const mi_lttng_loglevel_str_jul_all = "JUL_ALL"; | |
119 | const char * const mi_lttng_loglevel_str_jul_config = "JUL_CONFIG"; | |
120 | const char * const mi_lttng_loglevel_str_jul_fine = "JUL_FINE"; | |
121 | const char * const mi_lttng_loglevel_str_jul_finer = "JUL_FINER"; | |
122 | const char * const mi_lttng_loglevel_str_jul_finest = "JUL_FINEST"; | |
123 | const char * const mi_lttng_loglevel_str_jul_info = "JUL_INFO"; | |
124 | const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF"; | |
125 | const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE"; | |
126 | const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING"; | |
127 | ||
1734c658 | 128 | /* String related to loglevel type */ |
5e18ec73 JR |
129 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
130 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
131 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
132 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
133 | ||
7e66b1b0 JRJ |
134 | /* String related to lttng_calibrate */ |
135 | const char * const mi_lttng_element_calibrate = "calibrate"; | |
136 | const char * const mi_lttng_element_calibrate_function = "FUNCTION"; | |
137 | ||
50534d6f | 138 | /* String related to a lttng_snapshot_output */ |
50534d6f | 139 | const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url"; |
f4a088f7 | 140 | const char * const mi_lttng_element_snapshot_data_url = "data_url"; |
50534d6f | 141 | const char * const mi_lttng_element_snapshot_max_size = "max_size"; |
f4a088f7 JRJ |
142 | const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr"; |
143 | const char * const mi_lttng_element_snapshot_session_name = "session_name"; | |
144 | const char * const mi_lttng_element_snapshots = "snapshots"; | |
5e18ec73 | 145 | |
136f2f81 JRJ |
146 | /* This is a merge of jul loglevel and regular loglevel |
147 | * Those should never overlap by definition | |
148 | * (see struct lttng_event loglevel) | |
149 | */ | |
5e18ec73 JR |
150 | const char *mi_lttng_loglevel_string(int value) |
151 | { | |
152 | switch (value) { | |
153 | case -1: | |
154 | return mi_lttng_element_empty; | |
155 | case LTTNG_LOGLEVEL_EMERG: | |
156 | return mi_lttng_loglevel_str_emerg; | |
157 | case LTTNG_LOGLEVEL_ALERT: | |
158 | return mi_lttng_loglevel_str_alert; | |
159 | case LTTNG_LOGLEVEL_CRIT: | |
160 | return mi_lttng_loglevel_str_crit; | |
161 | case LTTNG_LOGLEVEL_ERR: | |
162 | return mi_lttng_loglevel_str_err; | |
163 | case LTTNG_LOGLEVEL_WARNING: | |
164 | return mi_lttng_loglevel_str_warning; | |
165 | case LTTNG_LOGLEVEL_NOTICE: | |
166 | return mi_lttng_loglevel_str_notice; | |
167 | case LTTNG_LOGLEVEL_INFO: | |
168 | return mi_lttng_loglevel_str_info; | |
169 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
170 | return mi_lttng_loglevel_str_debug_system; | |
171 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
172 | return mi_lttng_loglevel_str_debug_program; | |
173 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
174 | return mi_lttng_loglevel_str_debug_process; | |
175 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
176 | return mi_lttng_loglevel_str_debug_module; | |
177 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
178 | return mi_lttng_loglevel_str_debug_unit; | |
179 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
180 | return mi_lttng_loglevel_str_debug_function; | |
181 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
182 | return mi_lttng_loglevel_str_debug_line; | |
183 | case LTTNG_LOGLEVEL_DEBUG: | |
184 | return mi_lttng_loglevel_str_debug; | |
136f2f81 JRJ |
185 | case LTTNG_LOGLEVEL_JUL_OFF: |
186 | return mi_lttng_loglevel_str_jul_off; | |
187 | case LTTNG_LOGLEVEL_JUL_SEVERE: | |
188 | return mi_lttng_loglevel_str_jul_severe; | |
189 | case LTTNG_LOGLEVEL_JUL_WARNING: | |
190 | return mi_lttng_loglevel_str_jul_warning; | |
191 | case LTTNG_LOGLEVEL_JUL_INFO: | |
192 | return mi_lttng_loglevel_str_jul_info; | |
193 | case LTTNG_LOGLEVEL_JUL_CONFIG: | |
194 | return mi_lttng_loglevel_str_jul_config; | |
195 | case LTTNG_LOGLEVEL_JUL_FINE: | |
196 | return mi_lttng_loglevel_str_jul_fine; | |
197 | case LTTNG_LOGLEVEL_JUL_FINER: | |
198 | return mi_lttng_loglevel_str_jul_finer; | |
199 | case LTTNG_LOGLEVEL_JUL_FINEST: | |
200 | return mi_lttng_loglevel_str_jul_finest; | |
201 | case LTTNG_LOGLEVEL_JUL_ALL: | |
202 | return mi_lttng_loglevel_str_jul_all; | |
5e18ec73 JR |
203 | default: |
204 | return mi_lttng_loglevel_str_unknown; | |
205 | } | |
206 | } | |
207 | ||
208 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) | |
209 | { | |
210 | switch (value) { | |
211 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
212 | return mi_lttng_loglevel_type_all; | |
213 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
214 | return mi_lttng_loglevel_type_range; | |
215 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
216 | return mi_lttng_loglevel_type_single; | |
217 | default: | |
218 | return mi_lttng_loglevel_type_unknown; | |
219 | } | |
220 | } | |
221 | ||
222 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) | |
223 | { | |
224 | switch (value) { | |
225 | case LTTNG_EVENT_ALL: | |
226 | return config_event_type_all; | |
227 | case LTTNG_EVENT_TRACEPOINT: | |
228 | return config_event_type_tracepoint; | |
229 | case LTTNG_EVENT_PROBE: | |
230 | return config_event_type_probe; | |
231 | case LTTNG_EVENT_FUNCTION: | |
232 | return config_event_type_function; | |
233 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
234 | return config_event_type_function_entry; | |
235 | case LTTNG_EVENT_SYSCALL: | |
236 | return config_event_type_syscall; | |
237 | case LTTNG_EVENT_NOOP: | |
238 | return config_event_type_noop; | |
239 | default: | |
240 | return mi_lttng_element_empty; | |
241 | } | |
242 | } | |
243 | ||
89b72577 JRJ |
244 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
245 | { | |
246 | switch (val) { | |
247 | case LTTNG_EVENT_CONTEXT_PID: | |
248 | return config_event_context_pid; | |
249 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
250 | return mi_lttng_context_type_perf_counter; | |
251 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
252 | return mi_lttng_context_type_perf_thread_counter; | |
253 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
254 | return mi_lttng_context_type_perf_cpu_counter; | |
255 | case LTTNG_EVENT_CONTEXT_PROCNAME: | |
256 | return config_event_context_procname; | |
257 | case LTTNG_EVENT_CONTEXT_PRIO: | |
258 | return config_event_context_prio; | |
259 | case LTTNG_EVENT_CONTEXT_NICE: | |
260 | return config_event_context_nice; | |
261 | case LTTNG_EVENT_CONTEXT_VPID: | |
262 | return config_event_context_vpid; | |
263 | case LTTNG_EVENT_CONTEXT_TID: | |
264 | return config_event_context_tid; | |
265 | case LTTNG_EVENT_CONTEXT_VTID: | |
266 | return config_event_context_vtid; | |
267 | case LTTNG_EVENT_CONTEXT_PPID: | |
268 | return config_event_context_ppid; | |
269 | case LTTNG_EVENT_CONTEXT_VPPID: | |
270 | return config_event_context_vppid; | |
271 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
272 | return config_event_context_pthread_id; | |
273 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
274 | return config_event_context_hostname; | |
275 | case LTTNG_EVENT_CONTEXT_IP: | |
276 | return config_event_context_ip; | |
277 | default: | |
278 | return NULL; | |
279 | } | |
280 | } | |
281 | ||
5e18ec73 JR |
282 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
283 | { | |
284 | switch (val) { | |
285 | case(LTTNG_EVENT_FIELD_INTEGER): | |
286 | return mi_lttng_element_type_integer; | |
287 | case(LTTNG_EVENT_FIELD_ENUM): | |
288 | return mi_lttng_element_type_enum; | |
289 | case(LTTNG_EVENT_FIELD_FLOAT): | |
290 | return mi_lttng_element_type_float; | |
291 | case(LTTNG_EVENT_FIELD_STRING): | |
292 | return mi_lttng_element_type_string; | |
293 | default: | |
294 | return mi_lttng_element_type_other; | |
295 | } | |
296 | } | |
297 | ||
298 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) | |
299 | { | |
300 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
301 | switch (value) { | |
302 | case LTTNG_DOMAIN_KERNEL: | |
303 | return config_domain_type_kernel; | |
304 | case LTTNG_DOMAIN_UST: | |
305 | return config_domain_type_ust; | |
306 | case LTTNG_DOMAIN_JUL: | |
307 | return config_domain_type_jul; | |
308 | default: | |
309 | /* Should not have an unknown domain */ | |
310 | assert(0); | |
311 | } | |
312 | } | |
313 | ||
314 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) | |
315 | { | |
316 | switch (value) { | |
317 | case LTTNG_BUFFER_PER_PID: | |
318 | return config_buffer_type_per_pid; | |
319 | case LTTNG_BUFFER_PER_UID: | |
320 | return config_buffer_type_per_uid; | |
321 | case LTTNG_BUFFER_GLOBAL: | |
322 | return config_buffer_type_global; | |
323 | default: | |
324 | /* Should not have an unknow buffer type */ | |
325 | assert(0); | |
326 | } | |
327 | } | |
328 | ||
7e66b1b0 JRJ |
329 | const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val) |
330 | { | |
331 | const char *ret; | |
332 | ||
333 | switch (val) { | |
334 | case LTTNG_CALIBRATE_FUNCTION: | |
335 | ret = mi_lttng_element_calibrate_function; | |
336 | break; | |
337 | default: | |
338 | ret = mi_lttng_element_empty; | |
339 | break; | |
340 | } | |
341 | return ret; | |
342 | } | |
343 | ||
c7e35b03 JR |
344 | LTTNG_HIDDEN |
345 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
346 | { | |
347 | struct mi_writer *mi_writer; | |
348 | ||
349 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
350 | if (!mi_writer) { | |
351 | PERROR("zmalloc mi_writer_create"); | |
352 | goto end; | |
353 | } | |
354 | if (mi_output_type == LTTNG_MI_XML) { | |
355 | mi_writer->writer = config_writer_create(fd_output); | |
356 | if (!mi_writer->writer) { | |
357 | goto err_destroy; | |
358 | } | |
359 | mi_writer->type = LTTNG_MI_XML; | |
360 | } else { | |
361 | goto err_destroy; | |
362 | } | |
363 | ||
364 | end: | |
365 | return mi_writer; | |
366 | ||
367 | err_destroy: | |
368 | free(mi_writer); | |
369 | return NULL; | |
370 | } | |
371 | ||
372 | LTTNG_HIDDEN | |
373 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
374 | { | |
375 | int ret; | |
376 | ||
377 | if (!writer) { | |
378 | ret = -EINVAL; | |
379 | goto end; | |
380 | } | |
381 | ||
382 | ret = config_writer_destroy(writer->writer); | |
383 | if (ret < 0) { | |
384 | goto end; | |
385 | } | |
386 | ||
387 | free(writer); | |
388 | end: | |
389 | return ret; | |
390 | } | |
391 | ||
392 | LTTNG_HIDDEN | |
393 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
394 | { | |
395 | int ret; | |
396 | ||
397 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command); | |
398 | if (ret) { | |
399 | goto end; | |
400 | } | |
401 | ret = mi_lttng_writer_write_element_string(writer, | |
402 | mi_lttng_element_command_name, command); | |
403 | end: | |
404 | return ret; | |
405 | } | |
406 | ||
407 | LTTNG_HIDDEN | |
408 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
409 | { | |
410 | return mi_lttng_writer_close_element(writer); | |
411 | } | |
412 | ||
413 | LTTNG_HIDDEN | |
414 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
415 | const char *element_name) | |
416 | { | |
417 | return config_writer_open_element(writer->writer, element_name); | |
418 | } | |
419 | ||
420 | LTTNG_HIDDEN | |
421 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
422 | { | |
423 | return config_writer_close_element(writer->writer); | |
424 | } | |
425 | ||
5e18ec73 JR |
426 | LTTNG_HIDDEN |
427 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
428 | unsigned int nb_element) | |
429 | { | |
430 | int ret, i; | |
431 | ||
432 | if (nb_element < 1) { | |
433 | ret = 0; | |
434 | goto end; | |
435 | } | |
436 | for (i = 0; i < nb_element; i++) { | |
437 | ret = mi_lttng_writer_close_element(writer); | |
438 | if (ret) { | |
439 | goto end; | |
440 | } | |
441 | } | |
442 | end: | |
443 | return ret; | |
444 | } | |
445 | ||
c7e35b03 JR |
446 | LTTNG_HIDDEN |
447 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
448 | const char *element_name, uint64_t value) | |
449 | { | |
450 | return config_writer_write_element_unsigned_int(writer->writer, | |
451 | element_name, value); | |
452 | } | |
453 | ||
454 | LTTNG_HIDDEN | |
455 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
456 | const char *element_name, int64_t value) | |
457 | { | |
458 | return config_writer_write_element_signed_int(writer->writer, | |
459 | element_name, value); | |
460 | } | |
461 | ||
462 | LTTNG_HIDDEN | |
463 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
464 | const char *element_name, int value) | |
465 | { | |
466 | return config_writer_write_element_bool(writer->writer, | |
467 | element_name, value); | |
468 | } | |
469 | ||
470 | LTTNG_HIDDEN | |
471 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
472 | const char *element_name, const char *value) | |
473 | { | |
474 | return config_writer_write_element_string(writer->writer, | |
475 | element_name, value); | |
476 | } | |
477 | ||
478 | LTTNG_HIDDEN | |
479 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
480 | const char *lttng_description, const char *lttng_license) | |
481 | { | |
482 | int ret; | |
483 | ||
484 | /* Open version */ | |
485 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
486 | if (ret) { | |
487 | goto end; | |
488 | } | |
489 | ||
490 | /* Version string (contain info like rc etc.) */ | |
491 | ret = mi_lttng_writer_write_element_string(writer, | |
492 | mi_lttng_element_version_str, VERSION); | |
493 | if (ret) { | |
494 | goto end; | |
495 | } | |
496 | ||
497 | /* Major version number */ | |
498 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
499 | mi_lttng_element_version_major, version->version_major); | |
500 | if (ret) { | |
501 | goto end; | |
502 | } | |
503 | ||
504 | /* Minor version number */ | |
505 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
506 | mi_lttng_element_version_minor, version->version_minor); | |
507 | if (ret) { | |
508 | goto end; | |
509 | } | |
510 | ||
314d5222 JRJ |
511 | /* Commit version number */ |
512 | ret = mi_lttng_writer_write_element_string(writer, | |
513 | mi_lttng_element_version_commit, version->version_commit); | |
514 | if (ret) { | |
515 | goto end; | |
516 | } | |
517 | ||
c7e35b03 JR |
518 | /* Patch number */ |
519 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
520 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
521 | if (ret) { | |
522 | goto end; | |
523 | } | |
524 | ||
525 | /* Name of the version */ | |
526 | ret = mi_lttng_writer_write_element_string(writer, | |
527 | config_element_name, version->version_name); | |
528 | if (ret) { | |
529 | goto end; | |
530 | } | |
531 | ||
532 | /* Description mostly related to beer... */ | |
533 | ret = mi_lttng_writer_write_element_string(writer, | |
534 | mi_lttng_element_version_description, lttng_description); | |
535 | if (ret) { | |
536 | goto end; | |
537 | } | |
538 | ||
539 | /* url */ | |
540 | ret = mi_lttng_writer_write_element_string(writer, | |
541 | mi_lttng_element_version_web, version->package_url); | |
542 | if (ret) { | |
543 | goto end; | |
544 | } | |
545 | ||
546 | /* License: free as in free beer...no...*speech* */ | |
547 | ret = mi_lttng_writer_write_element_string(writer, | |
548 | mi_lttng_element_version_license, lttng_license); | |
549 | if (ret) { | |
550 | goto end; | |
551 | } | |
552 | ||
553 | /* Close version element */ | |
554 | ret = mi_lttng_writer_close_element(writer); | |
555 | ||
556 | end: | |
557 | return ret; | |
558 | } | |
559 | ||
5e18ec73 JR |
560 | LTTNG_HIDDEN |
561 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
562 | { | |
563 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
564 | } | |
565 | ||
c7e35b03 JR |
566 | LTTNG_HIDDEN |
567 | int mi_lttng_session(struct mi_writer *writer, | |
568 | struct lttng_session *session, int is_open) | |
569 | { | |
570 | int ret; | |
571 | ||
5e18ec73 JR |
572 | assert(session); |
573 | ||
574 | /* Open sessions element */ | |
c7e35b03 JR |
575 | ret = mi_lttng_writer_open_element(writer, |
576 | config_element_session); | |
577 | if (ret) { | |
578 | goto end; | |
579 | } | |
580 | ||
581 | /* Name of the session */ | |
582 | ret = mi_lttng_writer_write_element_string(writer, | |
583 | config_element_name, session->name); | |
584 | if (ret) { | |
585 | goto end; | |
586 | } | |
587 | ||
5e18ec73 | 588 | /* Path */ |
c7e35b03 JR |
589 | ret = mi_lttng_writer_write_element_string(writer, |
590 | config_element_path, session->path); | |
591 | if (ret) { | |
592 | goto end; | |
593 | } | |
594 | ||
5e18ec73 JR |
595 | /* Enabled ? */ |
596 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
597 | config_element_enabled, session->enabled); |
598 | if (ret) { | |
599 | goto end; | |
600 | } | |
601 | ||
5e18ec73 | 602 | /* Snapshot mode */ |
c7e35b03 JR |
603 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
604 | config_element_snapshot_mode, session->snapshot_mode); | |
605 | if (ret) { | |
606 | goto end; | |
607 | } | |
608 | ||
5e18ec73 | 609 | /* Live timer interval in usec */ |
c7e35b03 JR |
610 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
611 | config_element_live_timer_interval, | |
612 | session->live_timer_interval); | |
613 | if (ret) { | |
614 | goto end; | |
615 | } | |
616 | ||
617 | if (!is_open) { | |
618 | /* Closing session element */ | |
619 | ret = mi_lttng_writer_close_element(writer); | |
620 | } | |
621 | end: | |
622 | return ret; | |
623 | ||
624 | } | |
5e18ec73 JR |
625 | |
626 | LTTNG_HIDDEN | |
627 | int mi_lttng_domains_open(struct mi_writer *writer) | |
628 | { | |
629 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
630 | } | |
631 | ||
632 | LTTNG_HIDDEN | |
633 | int mi_lttng_domain(struct mi_writer *writer, | |
634 | struct lttng_domain *domain, int is_open) | |
635 | { | |
636 | int ret = 0; | |
637 | const char *str_domain; | |
638 | const char *str_buffer; | |
639 | ||
640 | assert(domain); | |
641 | ||
642 | /* Open domain element */ | |
643 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
644 | if (ret) { | |
645 | goto end; | |
646 | } | |
647 | ||
648 | /* Domain Type */ | |
649 | str_domain = mi_lttng_domaintype_string(domain->type); | |
650 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
651 | str_domain); | |
652 | if (ret) { | |
653 | goto end; | |
654 | } | |
655 | ||
656 | /* Buffer Type */ | |
657 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
658 | ret = mi_lttng_writer_write_element_string(writer, | |
659 | config_element_buffer_type, str_buffer); | |
660 | if (ret) { | |
661 | goto end; | |
662 | } | |
663 | ||
d813f89b JRJ |
664 | /* TODO: union attr |
665 | * This union is not currently used and was added for | |
666 | * future ust domain support. | |
667 | * Date: 25-06-2014 | |
668 | * */ | |
5e18ec73 JR |
669 | |
670 | if (!is_open) { | |
671 | /* Closing domain element */ | |
672 | ret = mi_lttng_writer_close_element(writer); | |
673 | } | |
674 | ||
675 | end: | |
676 | return ret; | |
677 | ||
678 | } | |
679 | ||
680 | LTTNG_HIDDEN | |
681 | int mi_lttng_channels_open(struct mi_writer *writer) | |
682 | { | |
683 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
684 | } | |
685 | ||
686 | LTTNG_HIDDEN | |
687 | int mi_lttng_channel(struct mi_writer *writer, | |
688 | struct lttng_channel *channel, int is_open) | |
689 | { | |
690 | int ret = 0; | |
691 | ||
692 | assert(channel); | |
693 | ||
694 | /* Opening channel element */ | |
695 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
696 | if (ret) { | |
697 | goto end; | |
698 | } | |
699 | ||
700 | /* Name */ | |
701 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
702 | channel->name); | |
703 | if (ret) { | |
704 | goto end; | |
705 | } | |
706 | ||
707 | /* Enabled ? */ | |
708 | ret = mi_lttng_writer_write_element_bool(writer, | |
709 | config_element_enabled, channel->enabled); | |
710 | if (ret) { | |
711 | goto end; | |
712 | } | |
713 | ||
714 | /* Attribute */ | |
715 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
716 | if (ret) { | |
717 | goto end; | |
718 | } | |
719 | ||
720 | if (!is_open) { | |
721 | /* Closing channel element */ | |
722 | ret = mi_lttng_writer_close_element(writer); | |
723 | if (ret) { | |
724 | goto end; | |
725 | } | |
726 | } | |
727 | end: | |
728 | return ret; | |
729 | } | |
730 | ||
731 | LTTNG_HIDDEN | |
732 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
733 | struct lttng_channel_attr *attr) | |
734 | { | |
735 | int ret = 0; | |
736 | ||
737 | assert(attr); | |
738 | ||
739 | /* Opening Attributes */ | |
740 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
741 | if (ret) { | |
742 | goto end; | |
743 | } | |
744 | ||
745 | /* Overwrite */ | |
746 | ret = mi_lttng_writer_write_element_string(writer, | |
747 | config_element_overwrite_mode, | |
748 | attr->overwrite ? config_overwrite_mode_overwrite : | |
749 | config_overwrite_mode_discard); | |
750 | if (ret) { | |
751 | goto end; | |
752 | } | |
753 | ||
754 | /* Sub buffer size in byte */ | |
755 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
756 | config_element_subbuf_size, attr->subbuf_size); | |
757 | if (ret) { | |
758 | goto end; | |
759 | } | |
760 | ||
761 | /* Number of subbuffer (power of two) */ | |
762 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
763 | config_element_num_subbuf, | |
764 | attr->num_subbuf); | |
765 | if (ret) { | |
766 | goto end; | |
767 | } | |
768 | ||
769 | /* Switch timer interval in usec */ | |
770 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
771 | config_element_switch_timer_interval, | |
772 | attr->switch_timer_interval); | |
773 | if (ret) { | |
774 | goto end; | |
775 | } | |
776 | ||
777 | /* Read timer interval in usec */ | |
778 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
779 | config_element_read_timer_interval, | |
780 | attr->read_timer_interval); | |
781 | if (ret) { | |
782 | goto end; | |
783 | } | |
784 | ||
785 | /* Event output */ | |
786 | ret = mi_lttng_writer_write_element_string(writer, | |
787 | config_element_output_type, | |
788 | attr->output == LTTNG_EVENT_SPLICE ? | |
789 | config_output_type_splice : config_output_type_mmap); | |
790 | if (ret) { | |
791 | goto end; | |
792 | } | |
793 | ||
794 | /* Tracefile size in bytes */ | |
795 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
796 | config_element_tracefile_size, attr->tracefile_size); | |
797 | if (ret) { | |
798 | goto end; | |
799 | } | |
800 | ||
801 | /* Count of tracefiles */ | |
802 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
803 | config_element_tracefile_count, | |
804 | attr->tracefile_count); | |
805 | if (ret) { | |
806 | goto end; | |
807 | } | |
808 | ||
809 | /* Live timer interval in usec*/ | |
810 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
811 | config_element_live_timer_interval, | |
812 | attr->live_timer_interval); | |
813 | if (ret) { | |
814 | goto end; | |
815 | } | |
816 | ||
817 | /* Closing attributes */ | |
818 | ret = mi_lttng_writer_close_element(writer); | |
819 | if (ret) { | |
820 | goto end; | |
821 | } | |
822 | end: | |
823 | return ret; | |
824 | ||
825 | } | |
826 | ||
827 | LTTNG_HIDDEN | |
828 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
829 | struct lttng_event *event) | |
830 | { | |
831 | int ret; | |
832 | ||
833 | /* Open event element */ | |
834 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
835 | if (ret) { | |
836 | goto end; | |
837 | } | |
838 | ||
f4a088f7 | 839 | /* Event name */ |
5e18ec73 JR |
840 | ret = mi_lttng_writer_write_element_string(writer, |
841 | config_element_name, event->name); | |
842 | if (ret) { | |
843 | goto end; | |
844 | } | |
845 | ||
f4a088f7 | 846 | /* Event type */ |
5e18ec73 JR |
847 | ret = mi_lttng_writer_write_element_string(writer, |
848 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
849 | if (ret) { | |
850 | goto end; | |
851 | } | |
852 | ||
f4a088f7 | 853 | /* Is event enabled */ |
5e18ec73 JR |
854 | ret = mi_lttng_writer_write_element_bool(writer, |
855 | config_element_enabled, event->enabled); | |
856 | if (ret) { | |
857 | goto end; | |
858 | } | |
859 | ||
f4a088f7 | 860 | /* Event filter enabled? */ |
5e18ec73 JR |
861 | ret = mi_lttng_writer_write_element_bool(writer, |
862 | config_element_filter, event->filter); | |
863 | ||
864 | end: | |
865 | return ret; | |
866 | } | |
867 | ||
868 | LTTNG_HIDDEN | |
869 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
870 | struct lttng_event *event) | |
871 | { | |
872 | int ret; | |
873 | ||
f4a088f7 | 874 | /* Event loglevel */ |
5e18ec73 JR |
875 | ret = mi_lttng_writer_write_element_string(writer, |
876 | config_element_loglevel, mi_lttng_loglevel_string(event->loglevel)); | |
877 | if (ret) { | |
878 | goto end; | |
879 | } | |
880 | ||
f4a088f7 | 881 | /* Log level type */ |
5e18ec73 JR |
882 | ret = mi_lttng_writer_write_element_string(writer, |
883 | config_element_loglevel_type, | |
884 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
885 | if (ret) { | |
886 | goto end; | |
887 | } | |
888 | ||
889 | /* event exclusion filter */ | |
890 | ret = mi_lttng_writer_write_element_bool(writer, | |
891 | config_element_exclusion, event->exclusion); | |
892 | if (ret) { | |
893 | goto end; | |
894 | } | |
895 | ||
896 | end: | |
897 | return ret; | |
898 | } | |
899 | ||
900 | LTTNG_HIDDEN | |
901 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
902 | struct lttng_event *event) | |
903 | { | |
904 | /* event exclusion filter */ | |
905 | return mi_lttng_writer_write_element_bool(writer, | |
906 | config_element_exclusion, event->exclusion); | |
907 | } | |
908 | ||
909 | LTTNG_HIDDEN | |
910 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
911 | struct lttng_event *event) | |
912 | { | |
913 | int ret; | |
914 | ||
915 | if (event->attr.probe.addr != 0) { | |
916 | /* event probe address */ | |
917 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
918 | config_element_address, event->attr.probe.addr); | |
919 | if (ret) { | |
920 | goto end; | |
921 | } | |
922 | } else { | |
923 | /* event probe offset */ | |
924 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
925 | config_element_offset, event->attr.probe.offset); | |
926 | if (ret) { | |
927 | goto end; | |
928 | } | |
929 | ||
930 | /* event probe symbol_name */ | |
931 | ret = mi_lttng_writer_write_element_string(writer, | |
932 | config_element_symbol_name, event->attr.probe.symbol_name); | |
933 | if (ret) { | |
934 | goto end; | |
935 | } | |
936 | } | |
937 | end: | |
938 | return ret; | |
939 | } | |
940 | ||
941 | LTTNG_HIDDEN | |
942 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
943 | struct lttng_event *event) | |
944 | { | |
945 | /* event probe symbol_name */ | |
946 | return mi_lttng_writer_write_element_string(writer, | |
947 | config_element_symbol_name, event->attr.ftrace.symbol_name); | |
948 | } | |
949 | ||
950 | LTTNG_HIDDEN | |
951 | int mi_lttng_events_open(struct mi_writer *writer) | |
952 | { | |
953 | return mi_lttng_writer_open_element(writer, config_element_events); | |
954 | } | |
955 | ||
956 | LTTNG_HIDDEN | |
957 | int mi_lttng_event(struct mi_writer *writer, | |
958 | struct lttng_event *event, int is_open) | |
959 | { | |
960 | int ret; | |
961 | ||
962 | ret = mi_lttng_event_common_attributes(writer, event); | |
963 | if (ret) { | |
964 | goto end; | |
965 | } | |
966 | ||
967 | switch (event->type) { | |
5e18ec73 JR |
968 | case LTTNG_EVENT_TRACEPOINT: |
969 | { | |
970 | if (event->loglevel != -1) { | |
971 | ret = mi_lttng_event_tracepoint_loglevel(writer, event); | |
972 | } else { | |
973 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
974 | } | |
975 | break; | |
976 | } | |
977 | case LTTNG_EVENT_PROBE: | |
978 | ret = mi_lttng_event_function_probe(writer, event); | |
979 | break; | |
980 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
981 | ret = mi_lttng_event_function_entry(writer, event); | |
982 | break; | |
89476427 JRJ |
983 | case LTTNG_EVENT_ALL: |
984 | /* Fallthrough */ | |
5e18ec73 JR |
985 | default: |
986 | break; | |
987 | } | |
988 | ||
989 | if (!is_open) { | |
990 | ret = mi_lttng_writer_close_element(writer); | |
991 | } | |
992 | ||
993 | end: | |
994 | return ret; | |
995 | } | |
996 | ||
997 | LTTNG_HIDDEN | |
998 | int mi_lttng_pids_open(struct mi_writer *writer) | |
999 | { | |
1000 | return mi_lttng_writer_open_element(writer, mi_lttng_element_pids); | |
1001 | } | |
1002 | ||
1003 | LTTNG_HIDDEN | |
1004 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline, | |
1005 | int is_open) | |
1006 | { | |
1007 | int ret; | |
1008 | ||
1009 | /* Open element pid */ | |
1010 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid); | |
1011 | if (ret) { | |
1012 | goto end; | |
1013 | } | |
1014 | ||
1015 | /* Writing pid number */ | |
1016 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1017 | mi_lttng_element_pid_id, (int)pid); | |
1018 | if (ret) { | |
1019 | goto end; | |
1020 | } | |
1021 | ||
1022 | /* Writing name of the process */ | |
1023 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1024 | cmdline); | |
1025 | if (ret) { | |
1026 | goto end; | |
1027 | } | |
1028 | ||
1029 | if (!is_open) { | |
1030 | /* Closing Pid */ | |
1031 | ret = mi_lttng_writer_close_element(writer); | |
1032 | } | |
1033 | ||
1034 | end: | |
1035 | return ret; | |
1036 | } | |
1037 | ||
1038 | LTTNG_HIDDEN | |
1039 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
1040 | { | |
1041 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
1042 | } | |
1043 | ||
1044 | LTTNG_HIDDEN | |
1045 | int mi_lttng_event_field(struct mi_writer *writer, | |
1046 | struct lttng_event_field *field) | |
1047 | { | |
1048 | int ret; | |
1049 | ||
1050 | if (!field->field_name[0]) { | |
5e18ec73 JR |
1051 | ret = 0; |
1052 | goto end; | |
1053 | } | |
1054 | ||
1055 | /* Open field */ | |
1056 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1057 | if (ret) { | |
1058 | goto end; | |
1059 | } | |
1060 | ||
1061 | if (!field->field_name[0]) { | |
1062 | goto close; | |
1063 | } | |
1064 | ||
1065 | /* Name */ | |
1066 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1067 | field->field_name); | |
1068 | if (ret) { | |
1069 | goto end; | |
1070 | } | |
1071 | ||
1072 | /* Type */ | |
1073 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1074 | mi_lttng_eventfieldtype_string(field->type)); | |
1075 | if (ret) { | |
1076 | goto end; | |
1077 | } | |
1078 | ||
1079 | /* nowrite */ | |
1080 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1081 | mi_lttng_element_nowrite, field->nowrite); | |
1082 | if (ret) { | |
1083 | goto end; | |
1084 | } | |
1085 | ||
1086 | close: | |
1087 | /* Close field element */ | |
1088 | ret = mi_lttng_writer_close_element(writer); | |
1089 | ||
1090 | end: | |
1091 | return ret; | |
1092 | } | |
7e66b1b0 JRJ |
1093 | |
1094 | LTTNG_HIDDEN | |
1095 | int mi_lttng_calibrate(struct mi_writer *writer, | |
1096 | struct lttng_calibrate *calibrate) | |
1097 | { | |
1098 | int ret; | |
1099 | ||
1100 | /* Open calibrate element */ | |
1101 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate); | |
1102 | if (ret) { | |
1103 | goto end; | |
1104 | } | |
1105 | ||
1106 | /* Calibration type */ | |
1107 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1108 | mi_lttng_calibratetype_string(calibrate->type)); | |
1109 | if (ret) { | |
1110 | goto end; | |
1111 | } | |
1112 | ||
1113 | /* Closing calibrate element */ | |
1114 | ret = mi_lttng_writer_close_element(writer); | |
1115 | end: | |
1116 | return ret; | |
1117 | } | |
89b72577 JRJ |
1118 | LTTNG_HIDDEN |
1119 | int mi_lttng_context(struct mi_writer *writer, | |
1120 | struct lttng_event_context *context, int is_open) | |
1121 | { | |
1122 | int ret; | |
1123 | const char *type_string; | |
1124 | struct lttng_event_perf_counter_ctx *perf_context; | |
1125 | /* Open context */ | |
1126 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
1127 | if (ret) { | |
1128 | goto end; | |
1129 | } | |
1130 | ||
1131 | type_string = mi_lttng_event_contexttype_string(context->ctx); | |
1132 | if (!type_string) { | |
1133 | ret = -LTTNG_ERR_INVALID; | |
1134 | goto end; | |
1135 | } | |
1136 | ||
1137 | /* Print context type */ | |
1138 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1139 | type_string); | |
1140 | ||
1141 | /* Special case for PERF_*_COUNTER | |
1142 | * print the lttng_event_perf_counter_ctx*/ | |
1143 | switch (context->ctx) { | |
1144 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1145 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1146 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1147 | perf_context = &context->u.perf_counter; | |
1148 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1149 | if (ret) { | |
1150 | goto end; | |
1151 | } | |
1152 | break; | |
1153 | default: | |
1154 | break; | |
1155 | } | |
1156 | ||
1157 | /* Close context */ | |
1158 | if (!is_open) { | |
1159 | ret = mi_lttng_writer_close_element(writer); | |
1160 | } | |
1161 | ||
1162 | end: | |
1163 | return ret; | |
1164 | } | |
1165 | ||
1166 | LTTNG_HIDDEN | |
1167 | int mi_lttng_perf_counter_context(struct mi_writer *writer, | |
1168 | struct lttng_event_perf_counter_ctx *perf_context) | |
1169 | { | |
1170 | int ret; | |
1171 | ||
1172 | /* Open perf_counter_context */ | |
1173 | ret = mi_lttng_writer_open_element(writer, | |
1174 | mi_lttng_element_perf_counter_context); | |
1175 | if (ret) { | |
1176 | goto end; | |
1177 | } | |
1178 | ||
1179 | /* Type */ | |
1180 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1181 | config_element_type, perf_context->type); | |
1182 | if (ret) { | |
1183 | goto end; | |
1184 | } | |
1185 | ||
1186 | /* Config */ | |
1187 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1188 | config_element_config, perf_context->config); | |
1189 | if (ret) { | |
1190 | goto end; | |
1191 | } | |
1192 | ||
1193 | /* Name of the perf counter */ | |
1194 | ret = mi_lttng_writer_write_element_string(writer, | |
1195 | config_element_name, perf_context->name); | |
1196 | if (ret) { | |
1197 | goto end; | |
1198 | } | |
1199 | ||
1200 | /* Close perf_counter_context */ | |
1201 | ret = mi_lttng_writer_close_element(writer); | |
1202 | end: | |
1203 | return ret; | |
1204 | } | |
50534d6f JRJ |
1205 | |
1206 | LTTNG_HIDDEN | |
1207 | int mi_lttng_snapshot_output_session_name(struct mi_writer *writer, | |
1208 | const char *session_name) | |
1209 | { | |
1210 | int ret; | |
1211 | ||
1212 | /* Open session element */ | |
1213 | ret = mi_lttng_writer_open_element(writer, config_element_session); | |
1214 | if (ret) { | |
1215 | goto end; | |
1216 | } | |
1217 | ||
1218 | /* Snapshot output list for current session name */ | |
1219 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1220 | session_name); | |
1221 | ||
1222 | /* Open element snapshots (sequence one snapshot) */ | |
1223 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots); | |
1224 | if (ret) { | |
1225 | goto end; | |
1226 | } | |
1227 | ||
1228 | end: | |
1229 | return ret; | |
1230 | } | |
1231 | ||
1232 | LTTNG_HIDDEN | |
1233 | int mi_lttng_snapshot_list_output(struct mi_writer *writer, | |
1234 | struct lttng_snapshot_output *output) | |
1235 | { | |
1236 | int ret; | |
1237 | ||
1238 | /* Open element snapshot output */ | |
1239 | ret = mi_lttng_writer_open_element(writer, | |
1240 | mi_lttng_element_command_snapshot); | |
1241 | if (ret) { | |
1242 | goto end; | |
1243 | } | |
1244 | ||
1245 | /* ID of the snapshot output */ | |
1246 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1247 | mi_lttng_element_id, output->id); | |
1248 | if (ret) { | |
1249 | goto end; | |
1250 | } | |
1251 | ||
1252 | /* Name of the output */ | |
1253 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1254 | output->name); | |
1255 | if (ret) { | |
1256 | goto end; | |
1257 | } | |
1258 | ||
1259 | /* Destination of the output (ctrl_url)*/ | |
1260 | ret = mi_lttng_writer_write_element_string(writer, | |
1261 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1262 | if (ret) { | |
1263 | goto end; | |
1264 | } | |
1265 | ||
1266 | /* Destination of the output (data_url) */ | |
1267 | ret = mi_lttng_writer_write_element_string(writer, | |
1268 | mi_lttng_element_snapshot_data_url, output->data_url); | |
1269 | if (ret) { | |
1270 | goto end; | |
1271 | } | |
1272 | ||
1273 | /* total size of all stream combined */ | |
1274 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1275 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1276 | if (ret) { | |
1277 | goto end; | |
1278 | } | |
1279 | ||
1280 | /* Close snapshot output element */ | |
1281 | ret = mi_lttng_writer_close_element(writer); | |
1282 | ||
1283 | end: | |
1284 | return ret; | |
1285 | } | |
1286 | ||
1287 | LTTNG_HIDDEN | |
1288 | int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id, | |
1289 | const char *name, const char *current_session_name) | |
1290 | { | |
1291 | int ret; | |
1292 | ||
1293 | /* Open element del_snapshot */ | |
1294 | ret = mi_lttng_writer_open_element(writer, | |
1295 | mi_lttng_element_command_snapshot); | |
1296 | if (ret) { | |
1297 | goto end; | |
1298 | } | |
1299 | ||
1300 | ||
1301 | if (id != UINT32_MAX) { | |
1302 | /* "Snapshot output "id" successfully deleted | |
1303 | * for "current_session_name" | |
1304 | * ID of the snapshot output | |
1305 | */ | |
1306 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1307 | mi_lttng_element_id, id); | |
1308 | if (ret) { | |
1309 | goto end; | |
1310 | } | |
1311 | } else { | |
1312 | /* "Snapshot output "name" successfully deleted | |
1313 | * for session "current_session_name" | |
1314 | * Name of the output | |
1315 | */ | |
1316 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1317 | name); | |
1318 | if (ret) { | |
1319 | goto end; | |
1320 | } | |
1321 | } | |
1322 | ||
1323 | /* Snapshot was deleted for session "current_session_name"*/ | |
1324 | ret = mi_lttng_writer_write_element_string(writer, | |
1325 | mi_lttng_element_snapshot_session_name, | |
1326 | current_session_name); | |
1327 | if (ret) { | |
1328 | goto end; | |
1329 | } | |
1330 | ||
1331 | /* Close snapshot element */ | |
1332 | ret = mi_lttng_writer_close_element(writer); | |
1333 | ||
1334 | end: | |
1335 | return ret; | |
1336 | } | |
1337 | ||
1338 | LTTNG_HIDDEN | |
1339 | int mi_lttng_snapshot_add_output(struct mi_writer *writer, | |
1340 | const char *current_session_name, const char *n_ptr, | |
1341 | struct lttng_snapshot_output *output) | |
1342 | { | |
1343 | int ret; | |
1344 | ||
1345 | /* Open element snapshot */ | |
1346 | ret = mi_lttng_writer_open_element(writer, | |
1347 | mi_lttng_element_command_snapshot); | |
1348 | if (ret) { | |
1349 | goto end; | |
1350 | } | |
1351 | ||
1352 | /* Snapshot output id */ | |
1353 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1354 | mi_lttng_element_id, output->id); | |
1355 | if (ret) { | |
1356 | goto end; | |
1357 | } | |
1358 | ||
1359 | /* Snapshot output names */ | |
1360 | ret = mi_lttng_writer_write_element_string(writer, | |
1361 | config_element_name, n_ptr); | |
1362 | if (ret) { | |
1363 | goto end; | |
1364 | } | |
1365 | ||
1366 | /* Destination of the output (ctrl_url)*/ | |
1367 | ret = mi_lttng_writer_write_element_string(writer, | |
1368 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1369 | if (ret) { | |
1370 | goto end; | |
1371 | } | |
1372 | ||
1373 | /* Snapshot added for session "current_session_name"*/ | |
1374 | ret = mi_lttng_writer_write_element_string(writer, | |
1375 | mi_lttng_element_snapshot_session_name, current_session_name); | |
1376 | if (ret) { | |
1377 | goto end; | |
1378 | } | |
1379 | ||
1380 | /* total size of all stream combined */ | |
1381 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1382 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1383 | if (ret) { | |
1384 | goto end; | |
1385 | } | |
1386 | ||
1387 | /* Close snapshot element */ | |
1388 | ret = mi_lttng_writer_close_element(writer); | |
1389 | ||
1390 | end: | |
1391 | return ret; | |
1392 | } | |
1393 | ||
1394 | LTTNG_HIDDEN | |
1395 | int mi_lttng_snapshot_record(struct mi_writer *writer, | |
1396 | const char *current_session_name, const char *url, | |
1397 | const char *cmdline_ctrl_url, const char *cmdline_data_url) | |
1398 | { | |
1399 | int ret; | |
1400 | ||
1401 | /* Open element snapshot */ | |
1402 | ret = mi_lttng_writer_open_element(writer, | |
1403 | mi_lttng_element_command_snapshot); | |
1404 | if (ret) { | |
1405 | goto end; | |
1406 | } | |
1407 | ||
1408 | /* | |
1409 | * If a valid an URL was given, serialize it, | |
1410 | * else take the command line data and ctrl urls*/ | |
1411 | if (url) { | |
1412 | /* Destination of the output (ctrl_url)*/ | |
1413 | ret = mi_lttng_writer_write_element_string(writer, | |
1414 | mi_lttng_element_snapshot_ctrl_url, url); | |
1415 | if (ret) { | |
1416 | goto end; | |
1417 | } | |
1418 | } else if (cmdline_ctrl_url) { | |
1419 | /* Destination of the output (ctrl_url)*/ | |
1420 | ret = mi_lttng_writer_write_element_string(writer, | |
1421 | mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url); | |
1422 | if (ret) { | |
1423 | goto end; | |
1424 | } | |
1425 | ||
1426 | /* Destination of the output (data_url) */ | |
1427 | ret = mi_lttng_writer_write_element_string(writer, | |
1428 | mi_lttng_element_snapshot_data_url, cmdline_data_url); | |
1429 | if (ret) { | |
1430 | goto end; | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | /* Close record_snapshot element */ | |
1435 | ret = mi_lttng_writer_close_element(writer); | |
1436 | ||
1437 | end: | |
1438 | return ret; | |
1439 | } |