Commit | Line | Data |
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273b65be JG |
1 | /* |
2 | * event.c | |
3 | * | |
d2dc44b6 | 4 | * Babeltrace CTF IR - Event |
273b65be | 5 | * |
de9dd397 | 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
273b65be JG |
7 | * |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
7b010242 PP |
29 | #define BT_LOG_TAG "EVENT" |
30 | #include <babeltrace/lib-logging-internal.h> | |
31 | ||
2e33ac5a PP |
32 | #include <babeltrace/ctf-ir/fields-internal.h> |
33 | #include <babeltrace/ctf-ir/field-types-internal.h> | |
ac0c6bdd | 34 | #include <babeltrace/ctf-ir/clock-class.h> |
a62f9ba0 PP |
35 | #include <babeltrace/ctf-ir/clock-value.h> |
36 | #include <babeltrace/ctf-ir/clock-value-internal.h> | |
7b010242 | 37 | #include <babeltrace/ctf-ir/clock-class-internal.h> |
adc315b8 | 38 | #include <babeltrace/ctf-ir/event-internal.h> |
272df73e PP |
39 | #include <babeltrace/ctf-ir/event-class.h> |
40 | #include <babeltrace/ctf-ir/event-class-internal.h> | |
2f100782 | 41 | #include <babeltrace/ctf-ir/stream-class.h> |
c35a1669 | 42 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
41ac640a | 43 | #include <babeltrace/ctf-ir/stream-internal.h> |
4ce9f9d0 PP |
44 | #include <babeltrace/ctf-ir/packet.h> |
45 | #include <babeltrace/ctf-ir/packet-internal.h> | |
bc37ae52 | 46 | #include <babeltrace/ctf-ir/trace-internal.h> |
09840de5 | 47 | #include <babeltrace/ctf-ir/validation-internal.h> |
5c3b707d | 48 | #include <babeltrace/ctf-ir/packet-internal.h> |
654c1444 | 49 | #include <babeltrace/ctf-ir/utils.h> |
dc3fffef | 50 | #include <babeltrace/ctf-writer/serialize-internal.h> |
8c4a29ba | 51 | #include <babeltrace/ctf-writer/clock-internal.h> |
83509119 | 52 | #include <babeltrace/ref.h> |
44e0a4f5 | 53 | #include <babeltrace/ctf-ir/attributes-internal.h> |
3d9990ac | 54 | #include <babeltrace/compiler-internal.h> |
7b010242 | 55 | #include <inttypes.h> |
273b65be | 56 | |
273b65be | 57 | static |
839d52a5 | 58 | void bt_event_destroy(struct bt_object *obj); |
273b65be | 59 | |
839d52a5 | 60 | struct bt_event *bt_event_create(struct bt_event_class *event_class) |
273b65be | 61 | { |
09840de5 | 62 | int ret; |
839d52a5 PP |
63 | enum bt_validation_flag validation_flags = |
64 | BT_VALIDATION_FLAG_STREAM | | |
65 | BT_VALIDATION_FLAG_EVENT; | |
66 | struct bt_event *event = NULL; | |
67 | struct bt_trace *trace = NULL; | |
68 | struct bt_stream_class *stream_class = NULL; | |
69 | struct bt_field_type *packet_header_type = NULL; | |
70 | struct bt_field_type *packet_context_type = NULL; | |
71 | struct bt_field_type *event_header_type = NULL; | |
72 | struct bt_field_type *stream_event_ctx_type = NULL; | |
73 | struct bt_field_type *event_context_type = NULL; | |
74 | struct bt_field_type *event_payload_type = NULL; | |
75 | struct bt_field *event_header = NULL; | |
76 | struct bt_field *stream_event_context = NULL; | |
77 | struct bt_field *event_context = NULL; | |
78 | struct bt_field *event_payload = NULL; | |
09840de5 | 79 | struct bt_value *environment = NULL; |
839d52a5 | 80 | struct bt_validation_output validation_output = { 0 }; |
09840de5 | 81 | int trace_valid = 0; |
8c4a29ba | 82 | struct bt_clock_class *expected_clock_class = NULL; |
273b65be | 83 | |
7b010242 PP |
84 | BT_LOGD("Creating event object: event-class-addr=%p, " |
85 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
86 | event_class, bt_event_class_get_name(event_class), |
87 | bt_event_class_get_id(event_class)); | |
7b010242 | 88 | |
273b65be | 89 | if (!event_class) { |
7b010242 | 90 | BT_LOGW_STR("Invalid parameter: event class is NULL."); |
e6a8e8e4 | 91 | goto error; |
273b65be JG |
92 | } |
93 | ||
839d52a5 | 94 | stream_class = bt_event_class_get_stream_class(event_class); |
09840de5 | 95 | |
662e778c | 96 | /* |
e6a8e8e4 JG |
97 | * We disallow the creation of an event if its event class has not been |
98 | * associated to a stream class. | |
662e778c | 99 | */ |
e6a8e8e4 | 100 | if (!stream_class) { |
e0bcd1b0 | 101 | BT_LOGW_STR("Event class is not part of a stream class."); |
e6a8e8e4 | 102 | goto error; |
662e778c | 103 | } |
09840de5 | 104 | |
09840de5 PP |
105 | /* The event class was frozen when added to its stream class */ |
106 | assert(event_class->frozen); | |
107 | ||
8c4a29ba PP |
108 | if (!stream_class->frozen) { |
109 | if (stream_class->clock) { | |
110 | expected_clock_class = | |
111 | bt_get(stream_class->clock->clock_class); | |
112 | } | |
113 | ||
114 | /* | |
115 | * Because this function freezes the stream class, | |
116 | * validate that this stream class contains at most a | |
117 | * single clock class so that we set its expected clock | |
118 | * class for future checks. | |
119 | */ | |
120 | ret = bt_stream_class_validate_single_clock_class( | |
121 | stream_class, &expected_clock_class); | |
122 | if (ret) { | |
123 | BT_LOGW("Event class's stream class or one of its event " | |
124 | "classes contains a field type which is not " | |
125 | "recursively mapped to the expected " | |
126 | "clock class: " | |
127 | "stream-class-addr=%p, " | |
128 | "stream-class-id=%" PRId64 ", " | |
129 | "stream-class-name=\"%s\", " | |
130 | "expected-clock-class-addr=%p, " | |
131 | "expected-clock-class-name=\"%s\"", | |
132 | stream_class, bt_stream_class_get_id(stream_class), | |
133 | bt_stream_class_get_name(stream_class), | |
134 | expected_clock_class, | |
135 | expected_clock_class ? | |
136 | bt_clock_class_get_name(expected_clock_class) : | |
137 | NULL); | |
138 | goto error; | |
139 | } | |
140 | } | |
141 | ||
09840de5 | 142 | /* Validate the trace (if any), the stream class, and the event class */ |
839d52a5 | 143 | trace = bt_stream_class_get_trace(stream_class); |
09840de5 | 144 | if (trace) { |
e0bcd1b0 | 145 | BT_LOGD_STR("Event's class is part of a trace."); |
839d52a5 | 146 | packet_header_type = bt_trace_get_packet_header_type(trace); |
09840de5 PP |
147 | trace_valid = trace->valid; |
148 | assert(trace_valid); | |
149 | environment = trace->environment; | |
150 | } | |
151 | ||
839d52a5 | 152 | packet_context_type = bt_stream_class_get_packet_context_type( |
09840de5 | 153 | stream_class); |
839d52a5 | 154 | event_header_type = bt_stream_class_get_event_header_type( |
09840de5 | 155 | stream_class); |
839d52a5 | 156 | stream_event_ctx_type = bt_stream_class_get_event_context_type( |
09840de5 | 157 | stream_class); |
839d52a5 PP |
158 | event_context_type = bt_event_class_get_context_type(event_class); |
159 | event_payload_type = bt_event_class_get_payload_type(event_class); | |
160 | ret = bt_validate_class_types(environment, packet_header_type, | |
09840de5 PP |
161 | packet_context_type, event_header_type, stream_event_ctx_type, |
162 | event_context_type, event_payload_type, trace_valid, | |
163 | stream_class->valid, event_class->valid, | |
164 | &validation_output, validation_flags); | |
165 | BT_PUT(packet_header_type); | |
166 | BT_PUT(packet_context_type); | |
167 | BT_PUT(event_header_type); | |
168 | BT_PUT(stream_event_ctx_type); | |
169 | BT_PUT(event_context_type); | |
170 | BT_PUT(event_payload_type); | |
09840de5 PP |
171 | if (ret) { |
172 | /* | |
173 | * This means something went wrong during the validation | |
174 | * process, not that the objects are invalid. | |
175 | */ | |
e0bcd1b0 | 176 | BT_LOGE("Failed to validate event and parents: ret=%d", ret); |
09840de5 PP |
177 | goto error; |
178 | } | |
179 | ||
180 | if ((validation_output.valid_flags & validation_flags) != | |
181 | validation_flags) { | |
182 | /* Invalid trace/stream class/event class */ | |
3ee09f3a | 183 | BT_LOGW("Invalid trace, stream class, or event class: " |
e0bcd1b0 | 184 | "valid-flags=0x%x", validation_output.valid_flags); |
09840de5 PP |
185 | goto error; |
186 | } | |
187 | ||
3669ec10 PP |
188 | /* |
189 | * Safe to automatically map selected fields to the stream's | |
190 | * clock's class here because the stream class is about to be | |
191 | * frozen. | |
192 | */ | |
193 | if (bt_stream_class_map_clock_class(stream_class, | |
194 | validation_output.packet_context_type, | |
195 | validation_output.event_header_type)) { | |
196 | BT_LOGW_STR("Cannot automatically map selected stream class's " | |
197 | "field types to stream class's clock's class."); | |
198 | goto error; | |
199 | } | |
200 | ||
09840de5 PP |
201 | /* |
202 | * At this point we know the trace (if associated to the stream | |
203 | * class), the stream class, and the event class, with their | |
204 | * current types, are valid. We may proceed with creating | |
205 | * the event. | |
206 | */ | |
839d52a5 | 207 | event = g_new0(struct bt_event, 1); |
b8248cc0 | 208 | if (!event) { |
7b010242 | 209 | BT_LOGE_STR("Failed to allocate one event."); |
e6a8e8e4 | 210 | goto error; |
b8248cc0 PP |
211 | } |
212 | ||
839d52a5 | 213 | bt_object_init(event, bt_event_destroy); |
09840de5 | 214 | |
e6a8e8e4 JG |
215 | /* |
216 | * event does not share a common ancestor with the event class; it has | |
217 | * to guarantee its existence by holding a reference. This reference | |
218 | * shall be released once the event is associated to a stream since, | |
219 | * from that point, the event and its class will share the same | |
220 | * lifetime. | |
221 | */ | |
222 | event->event_class = bt_get(event_class); | |
41ac640a | 223 | event->clock_values = g_hash_table_new_full(g_direct_hash, |
1556a1af | 224 | g_direct_equal, bt_put, bt_put); |
be514b0c PP |
225 | |
226 | if (validation_output.event_header_type) { | |
227 | BT_LOGD("Creating initial event header field: ft-addr=%p", | |
228 | validation_output.event_header_type); | |
229 | event_header = | |
839d52a5 | 230 | bt_field_create(validation_output.event_header_type); |
be514b0c PP |
231 | if (!event_header) { |
232 | BT_LOGE_STR("Cannot create initial event header field object."); | |
233 | goto error; | |
234 | } | |
662e778c | 235 | } |
09840de5 | 236 | |
5fd2e9fd | 237 | if (validation_output.stream_event_ctx_type) { |
be514b0c PP |
238 | BT_LOGD("Creating initial stream event context field: ft-addr=%p", |
239 | validation_output.stream_event_ctx_type); | |
839d52a5 | 240 | stream_event_context = bt_field_create( |
5fd2e9fd PP |
241 | validation_output.stream_event_ctx_type); |
242 | if (!stream_event_context) { | |
7b010242 | 243 | BT_LOGE_STR("Cannot create initial stream event context field object."); |
5fd2e9fd PP |
244 | goto error; |
245 | } | |
246 | } | |
247 | ||
09840de5 | 248 | if (validation_output.event_context_type) { |
be514b0c PP |
249 | BT_LOGD("Creating initial event context field: ft-addr=%p", |
250 | validation_output.event_context_type); | |
839d52a5 | 251 | event_context = bt_field_create( |
09840de5 PP |
252 | validation_output.event_context_type); |
253 | if (!event_context) { | |
7b010242 | 254 | BT_LOGE_STR("Cannot create initial event context field object."); |
83509119 | 255 | goto error; |
662e778c | 256 | } |
f655a84d | 257 | } |
09840de5 PP |
258 | |
259 | if (validation_output.event_payload_type) { | |
be514b0c PP |
260 | BT_LOGD("Creating initial event payload field: ft-addr=%p", |
261 | validation_output.event_payload_type); | |
839d52a5 | 262 | event_payload = bt_field_create( |
09840de5 PP |
263 | validation_output.event_payload_type); |
264 | if (!event_payload) { | |
7b010242 | 265 | BT_LOGE_STR("Cannot create initial event payload field object."); |
09840de5 PP |
266 | goto error; |
267 | } | |
662e778c JG |
268 | } |
269 | ||
09840de5 PP |
270 | /* |
271 | * At this point all the fields are created, potentially from | |
272 | * validated copies of field types, so that the field types and | |
273 | * fields can be replaced in the trace, stream class, | |
274 | * event class, and created event. | |
275 | */ | |
839d52a5 | 276 | bt_validation_replace_types(trace, stream_class, |
09840de5 PP |
277 | event_class, &validation_output, validation_flags); |
278 | BT_MOVE(event->event_header, event_header); | |
5fd2e9fd | 279 | BT_MOVE(event->stream_event_context, stream_event_context); |
09840de5 PP |
280 | BT_MOVE(event->context_payload, event_context); |
281 | BT_MOVE(event->fields_payload, event_payload); | |
282 | ||
283 | /* | |
839d52a5 | 284 | * Put what was not moved in bt_validation_replace_types(). |
09840de5 | 285 | */ |
839d52a5 | 286 | bt_validation_output_put_types(&validation_output); |
09840de5 | 287 | |
662e778c JG |
288 | /* |
289 | * Freeze the stream class since the event header must not be changed | |
290 | * anymore. | |
291 | */ | |
839d52a5 | 292 | bt_stream_class_freeze(stream_class); |
09840de5 | 293 | |
8c4a29ba PP |
294 | /* |
295 | * It is safe to set the stream class's unique clock class | |
296 | * now because the stream class is frozen. | |
297 | */ | |
298 | if (expected_clock_class) { | |
299 | BT_MOVE(stream_class->clock_class, expected_clock_class); | |
300 | } | |
301 | ||
09840de5 PP |
302 | /* |
303 | * Mark stream class, and event class as valid since | |
304 | * they're all frozen now. | |
305 | */ | |
306 | stream_class->valid = 1; | |
307 | event_class->valid = 1; | |
308 | ||
309 | /* Put stuff we borrowed from the event class */ | |
e6a8e8e4 | 310 | BT_PUT(stream_class); |
09840de5 | 311 | BT_PUT(trace); |
7b010242 PP |
312 | BT_LOGD("Created event object: addr=%p, event-class-name=\"%s\", " |
313 | "event-class-id=%" PRId64, | |
839d52a5 PP |
314 | event, bt_event_class_get_name(event->event_class), |
315 | bt_event_class_get_id(event_class)); | |
273b65be | 316 | return event; |
09840de5 | 317 | |
83509119 | 318 | error: |
839d52a5 | 319 | bt_validation_output_put_types(&validation_output); |
83509119 | 320 | BT_PUT(event); |
e6a8e8e4 | 321 | BT_PUT(stream_class); |
09840de5 PP |
322 | BT_PUT(trace); |
323 | BT_PUT(event_header); | |
5fd2e9fd | 324 | BT_PUT(stream_event_context); |
09840de5 PP |
325 | BT_PUT(event_context); |
326 | BT_PUT(event_payload); | |
8c4a29ba | 327 | bt_put(expected_clock_class); |
09840de5 PP |
328 | assert(!packet_header_type); |
329 | assert(!packet_context_type); | |
330 | assert(!event_header_type); | |
331 | assert(!stream_event_ctx_type); | |
332 | assert(!event_context_type); | |
333 | assert(!event_payload_type); | |
334 | ||
83509119 | 335 | return event; |
273b65be JG |
336 | } |
337 | ||
839d52a5 | 338 | struct bt_event_class *bt_event_get_class(struct bt_event *event) |
2f100782 | 339 | { |
839d52a5 | 340 | struct bt_event_class *event_class = NULL; |
2f100782 JG |
341 | |
342 | if (!event) { | |
7b010242 | 343 | BT_LOGW_STR("Invalid parameter: event is NULL."); |
2f100782 JG |
344 | goto end; |
345 | } | |
346 | ||
839d52a5 | 347 | event_class = bt_get(bt_event_borrow_event_class(event)); |
2f100782 JG |
348 | end: |
349 | return event_class; | |
350 | } | |
351 | ||
839d52a5 | 352 | struct bt_stream *bt_event_get_stream(struct bt_event *event) |
8e5003bb | 353 | { |
839d52a5 | 354 | struct bt_stream *stream = NULL; |
cacf3147 PP |
355 | |
356 | if (!event) { | |
7b010242 | 357 | BT_LOGW_STR("Invalid parameter: event is NULL."); |
cacf3147 PP |
358 | goto end; |
359 | } | |
360 | ||
361 | /* | |
362 | * If the event has a parent, then this is its (writer) stream. | |
363 | * If the event has no parent, then if it has a packet, this | |
364 | * is its (non-writer) stream. | |
365 | */ | |
366 | if (event->base.parent) { | |
839d52a5 | 367 | stream = (struct bt_stream *) bt_object_get_parent(event); |
cacf3147 PP |
368 | } else { |
369 | if (event->packet) { | |
370 | stream = bt_get(event->packet->stream); | |
371 | } | |
372 | } | |
373 | ||
374 | end: | |
375 | return stream; | |
8e5003bb JG |
376 | } |
377 | ||
839d52a5 | 378 | int bt_event_set_payload(struct bt_event *event, |
273b65be | 379 | const char *name, |
839d52a5 | 380 | struct bt_field *payload) |
273b65be JG |
381 | { |
382 | int ret = 0; | |
383 | ||
7b010242 PP |
384 | if (!event || !payload) { |
385 | BT_LOGW("Invalid parameter: event or payload field is NULL: " | |
386 | "event-addr=%p, payload-field-addr=%p", | |
387 | event, payload); | |
388 | ret = -1; | |
389 | goto end; | |
390 | } | |
391 | ||
392 | if (event->frozen) { | |
393 | BT_LOGW("Invalid parameter: event is frozen: addr=%p, " | |
394 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
395 | event, bt_event_class_get_name(event->event_class), |
396 | bt_event_class_get_id(event->event_class)); | |
273b65be JG |
397 | ret = -1; |
398 | goto end; | |
399 | } | |
400 | ||
c5a9aa19 | 401 | if (name) { |
839d52a5 | 402 | ret = bt_field_structure_set_field_by_name( |
4d8ce03f | 403 | event->fields_payload, name, payload); |
c5a9aa19 | 404 | } else { |
839d52a5 | 405 | struct bt_field_type *payload_type; |
c5a9aa19 | 406 | |
839d52a5 | 407 | payload_type = bt_field_get_type(payload); |
09840de5 | 408 | |
839d52a5 | 409 | if (bt_field_type_compare(payload_type, |
09840de5 | 410 | event->event_class->fields) == 0) { |
83509119 JG |
411 | bt_put(event->fields_payload); |
412 | bt_get(payload); | |
c5a9aa19 JG |
413 | event->fields_payload = payload; |
414 | } else { | |
7b010242 PP |
415 | BT_LOGW("Invalid parameter: payload field type is different from the expected field type: " |
416 | "event-addr=%p, event-class-name=\"%s\", " | |
417 | "event-class-id=%" PRId64, | |
418 | event, | |
839d52a5 PP |
419 | bt_event_class_get_name(event->event_class), |
420 | bt_event_class_get_id(event->event_class)); | |
c5a9aa19 JG |
421 | ret = -1; |
422 | } | |
423 | ||
83509119 | 424 | bt_put(payload_type); |
c5a9aa19 | 425 | } |
7b010242 PP |
426 | |
427 | if (ret) { | |
428 | BT_LOGW("Failed to set event's payload field: event-addr=%p, " | |
429 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
430 | "payload-field-name=\"%s\", payload-field-addr=%p", | |
839d52a5 PP |
431 | event, bt_event_class_get_name(event->event_class), |
432 | bt_event_class_get_id(event->event_class), | |
7b010242 PP |
433 | name, payload); |
434 | } else { | |
435 | BT_LOGV("Set event's payload field: event-addr=%p, " | |
436 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
437 | "payload-field-name=\"%s\", payload-field-addr=%p", | |
839d52a5 PP |
438 | event, bt_event_class_get_name(event->event_class), |
439 | bt_event_class_get_id(event->event_class), | |
7b010242 PP |
440 | name, payload); |
441 | } | |
442 | ||
273b65be JG |
443 | end: |
444 | return ret; | |
445 | } | |
446 | ||
839d52a5 | 447 | struct bt_field *bt_event_get_event_payload(struct bt_event *event) |
71362d53 | 448 | { |
839d52a5 | 449 | struct bt_field *payload = NULL; |
71362d53 | 450 | |
7b010242 PP |
451 | if (!event) { |
452 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
453 | goto end; | |
454 | } | |
455 | ||
456 | if (!event->fields_payload) { | |
457 | BT_LOGV("Event has no current payload field: addr=%p, " | |
458 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
459 | event, bt_event_class_get_name(event->event_class), |
460 | bt_event_class_get_id(event->event_class)); | |
71362d53 PP |
461 | goto end; |
462 | } | |
463 | ||
464 | payload = event->fields_payload; | |
83509119 | 465 | bt_get(payload); |
71362d53 PP |
466 | end: |
467 | return payload; | |
468 | } | |
273b65be | 469 | |
839d52a5 PP |
470 | int bt_event_set_event_payload(struct bt_event *event, |
471 | struct bt_field *payload) | |
e5e6eb3a | 472 | { |
839d52a5 | 473 | return bt_event_set_payload(event, NULL, payload); |
e5e6eb3a JG |
474 | } |
475 | ||
839d52a5 | 476 | struct bt_field *bt_event_get_payload(struct bt_event *event, |
273b65be JG |
477 | const char *name) |
478 | { | |
839d52a5 | 479 | struct bt_field *field = NULL; |
273b65be | 480 | |
c5a9aa19 | 481 | if (!event) { |
7b010242 | 482 | BT_LOGW_STR("Invalid parameter: event is NULL."); |
273b65be JG |
483 | goto end; |
484 | } | |
485 | ||
c5a9aa19 | 486 | if (name) { |
839d52a5 PP |
487 | field = bt_field_structure_get_field_by_name( |
488 | event->fields_payload, name); | |
c5a9aa19 JG |
489 | } else { |
490 | field = event->fields_payload; | |
83509119 | 491 | bt_get(field); |
c5a9aa19 | 492 | } |
273b65be JG |
493 | end: |
494 | return field; | |
495 | } | |
496 | ||
839d52a5 PP |
497 | struct bt_field *bt_event_get_payload_by_index( |
498 | struct bt_event *event, uint64_t index) | |
2f100782 | 499 | { |
839d52a5 | 500 | struct bt_field *field = NULL; |
2f100782 | 501 | |
9ac68eb1 | 502 | if (!event) { |
7b010242 | 503 | BT_LOGW_STR("Invalid parameter: event is NULL."); |
2f100782 JG |
504 | goto end; |
505 | } | |
506 | ||
839d52a5 | 507 | field = bt_field_structure_get_field_by_index(event->fields_payload, |
2f100782 JG |
508 | index); |
509 | end: | |
510 | return field; | |
511 | } | |
512 | ||
839d52a5 PP |
513 | struct bt_field *bt_event_get_header( |
514 | struct bt_event *event) | |
662e778c | 515 | { |
839d52a5 | 516 | struct bt_field *header = NULL; |
662e778c | 517 | |
7b010242 PP |
518 | if (!event) { |
519 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
520 | goto end; | |
521 | } | |
522 | ||
523 | if (!event->event_header) { | |
524 | BT_LOGV("Event has no current header field: addr=%p, " | |
525 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
526 | event, bt_event_class_get_name(event->event_class), |
527 | bt_event_class_get_id(event->event_class)); | |
662e778c JG |
528 | goto end; |
529 | } | |
530 | ||
531 | header = event->event_header; | |
83509119 | 532 | bt_get(header); |
662e778c JG |
533 | end: |
534 | return header; | |
535 | } | |
536 | ||
839d52a5 PP |
537 | int bt_event_set_header(struct bt_event *event, |
538 | struct bt_field *header) | |
662e778c JG |
539 | { |
540 | int ret = 0; | |
839d52a5 PP |
541 | struct bt_field_type *field_type = NULL; |
542 | struct bt_stream_class *stream_class = NULL; | |
662e778c | 543 | |
7b010242 PP |
544 | if (!event) { |
545 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
546 | ret = -1; | |
547 | goto end; | |
548 | } | |
549 | ||
550 | if (event->frozen) { | |
551 | BT_LOGW("Invalid parameter: event is frozen: addr=%p, " | |
552 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
553 | event, bt_event_class_get_name(event->event_class), |
554 | bt_event_class_get_id(event->event_class)); | |
662e778c JG |
555 | ret = -1; |
556 | goto end; | |
557 | } | |
558 | ||
839d52a5 | 559 | stream_class = (struct bt_stream_class *) bt_object_get_parent( |
835b2d10 | 560 | event->event_class); |
662e778c JG |
561 | /* |
562 | * Ensure the provided header's type matches the one registered to the | |
563 | * stream class. | |
564 | */ | |
c5c82c6e | 565 | if (header) { |
839d52a5 PP |
566 | field_type = bt_field_get_type(header); |
567 | if (bt_field_type_compare(field_type, | |
c5c82c6e PP |
568 | stream_class->event_header_type)) { |
569 | BT_LOGW("Invalid parameter: header field type is different from the expected field type: " | |
570 | "event-addr=%p, event-class-name=\"%s\", " | |
571 | "event-class-id=%" PRId64, | |
572 | event, | |
839d52a5 PP |
573 | bt_event_class_get_name(event->event_class), |
574 | bt_event_class_get_id(event->event_class)); | |
c5c82c6e PP |
575 | ret = -1; |
576 | goto end; | |
577 | } | |
578 | } else { | |
579 | if (stream_class->event_header_type) { | |
580 | BT_LOGW("Invalid parameter: setting no event header but event header field type is not NULL: " | |
581 | "event-addr=%p, event-class-name=\"%s\", " | |
582 | "event-class-id=%" PRId64 ", " | |
583 | "event-header-ft-addr=%p", | |
584 | event, | |
839d52a5 PP |
585 | bt_event_class_get_name(event->event_class), |
586 | bt_event_class_get_id(event->event_class), | |
c5c82c6e PP |
587 | stream_class->event_header_type); |
588 | ret = -1; | |
589 | goto end; | |
590 | } | |
662e778c JG |
591 | } |
592 | ||
83509119 | 593 | bt_put(event->event_header); |
835b2d10 | 594 | event->event_header = bt_get(header); |
7b010242 PP |
595 | BT_LOGV("Set event's header field: event-addr=%p, " |
596 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
597 | "header-field-addr=%p", | |
839d52a5 PP |
598 | event, bt_event_class_get_name(event->event_class), |
599 | bt_event_class_get_id(event->event_class), header); | |
662e778c | 600 | end: |
e6a8e8e4 | 601 | bt_put(stream_class); |
83509119 | 602 | bt_put(field_type); |
662e778c JG |
603 | return ret; |
604 | } | |
605 | ||
839d52a5 PP |
606 | struct bt_field *bt_event_get_event_context( |
607 | struct bt_event *event) | |
f655a84d | 608 | { |
839d52a5 | 609 | struct bt_field *context = NULL; |
f655a84d | 610 | |
7b010242 PP |
611 | if (!event) { |
612 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
613 | goto end; | |
614 | } | |
615 | ||
616 | if (!event->context_payload) { | |
617 | BT_LOGV("Event has no current context field: addr=%p, " | |
618 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
619 | event, bt_event_class_get_name(event->event_class), |
620 | bt_event_class_get_id(event->event_class)); | |
f655a84d JG |
621 | goto end; |
622 | } | |
623 | ||
624 | context = event->context_payload; | |
83509119 | 625 | bt_get(context); |
f655a84d JG |
626 | end: |
627 | return context; | |
628 | } | |
629 | ||
839d52a5 PP |
630 | int bt_event_set_event_context(struct bt_event *event, |
631 | struct bt_field *context) | |
f655a84d JG |
632 | { |
633 | int ret = 0; | |
839d52a5 | 634 | struct bt_field_type *field_type = NULL; |
f655a84d | 635 | |
7b010242 PP |
636 | if (!event) { |
637 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
638 | ret = -1; | |
639 | goto end; | |
640 | } | |
641 | ||
642 | if (event->frozen) { | |
643 | BT_LOGW("Invalid parameter: event is frozen: addr=%p, " | |
644 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
645 | event, bt_event_class_get_name(event->event_class), |
646 | bt_event_class_get_id(event->event_class)); | |
f655a84d JG |
647 | ret = -1; |
648 | goto end; | |
649 | } | |
650 | ||
c5c82c6e | 651 | if (context) { |
839d52a5 | 652 | field_type = bt_field_get_type(context); |
c5c82c6e | 653 | |
839d52a5 | 654 | if (bt_field_type_compare(field_type, |
c5c82c6e PP |
655 | event->event_class->context)) { |
656 | BT_LOGW("Invalid parameter: context field type is different from the expected field type: " | |
657 | "event-addr=%p, event-class-name=\"%s\", " | |
658 | "event-class-id=%" PRId64, | |
659 | event, | |
839d52a5 PP |
660 | bt_event_class_get_name(event->event_class), |
661 | bt_event_class_get_id(event->event_class)); | |
c5c82c6e PP |
662 | ret = -1; |
663 | goto end; | |
664 | } | |
665 | } else { | |
666 | if (event->event_class->context) { | |
667 | BT_LOGW("Invalid parameter: setting no event context but event context field type is not NULL: " | |
668 | "event-addr=%p, event-class-name=\"%s\", " | |
669 | "event-class-id=%" PRId64 ", " | |
670 | "event-context-ft-addr=%p", | |
671 | event, | |
839d52a5 PP |
672 | bt_event_class_get_name(event->event_class), |
673 | bt_event_class_get_id(event->event_class), | |
c5c82c6e PP |
674 | event->event_class->context); |
675 | ret = -1; | |
676 | goto end; | |
677 | } | |
f655a84d JG |
678 | } |
679 | ||
83509119 | 680 | bt_put(event->context_payload); |
835b2d10 | 681 | event->context_payload = bt_get(context); |
7b010242 PP |
682 | BT_LOGV("Set event's context field: event-addr=%p, " |
683 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
684 | "context-field-addr=%p", | |
839d52a5 PP |
685 | event, bt_event_class_get_name(event->event_class), |
686 | bt_event_class_get_id(event->event_class), context); | |
f655a84d | 687 | end: |
83509119 | 688 | bt_put(field_type); |
f655a84d JG |
689 | return ret; |
690 | } | |
691 | ||
839d52a5 PP |
692 | struct bt_field *bt_event_get_stream_event_context( |
693 | struct bt_event *event) | |
5fd2e9fd | 694 | { |
839d52a5 | 695 | struct bt_field *stream_event_context = NULL; |
5fd2e9fd | 696 | |
7b010242 PP |
697 | if (!event) { |
698 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
699 | goto end; | |
700 | } | |
701 | ||
702 | if (!event->stream_event_context) { | |
703 | BT_LOGV("Event has no current stream event context field: addr=%p, " | |
704 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
705 | event, bt_event_class_get_name(event->event_class), |
706 | bt_event_class_get_id(event->event_class)); | |
5fd2e9fd PP |
707 | goto end; |
708 | } | |
709 | ||
710 | stream_event_context = event->stream_event_context; | |
711 | end: | |
712 | return bt_get(stream_event_context); | |
713 | } | |
714 | ||
839d52a5 PP |
715 | int bt_event_set_stream_event_context(struct bt_event *event, |
716 | struct bt_field *stream_event_context) | |
5fd2e9fd PP |
717 | { |
718 | int ret = 0; | |
839d52a5 PP |
719 | struct bt_field_type *field_type = NULL; |
720 | struct bt_stream_class *stream_class = NULL; | |
5fd2e9fd | 721 | |
7b010242 PP |
722 | if (!event) { |
723 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
724 | ret = -1; | |
725 | goto end; | |
726 | } | |
727 | ||
728 | if (event->frozen) { | |
729 | BT_LOGW("Invalid parameter: event is frozen: addr=%p, " | |
730 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
731 | event, bt_event_class_get_name(event->event_class), |
732 | bt_event_class_get_id(event->event_class)); | |
5fd2e9fd PP |
733 | ret = -1; |
734 | goto end; | |
735 | } | |
736 | ||
839d52a5 | 737 | stream_class = bt_event_class_get_stream_class(event->event_class); |
5fd2e9fd PP |
738 | /* |
739 | * We should not have been able to create the event without associating | |
740 | * the event class to a stream class. | |
741 | */ | |
742 | assert(stream_class); | |
743 | ||
c5c82c6e | 744 | if (stream_event_context) { |
839d52a5 PP |
745 | field_type = bt_field_get_type(stream_event_context); |
746 | if (bt_field_type_compare(field_type, | |
c5c82c6e PP |
747 | stream_class->event_context_type)) { |
748 | BT_LOGW("Invalid parameter: stream event context field type is different from the expected field type: " | |
749 | "event-addr=%p, event-class-name=\"%s\", " | |
750 | "event-class-id=%" PRId64, | |
751 | event, | |
839d52a5 PP |
752 | bt_event_class_get_name(event->event_class), |
753 | bt_event_class_get_id(event->event_class)); | |
c5c82c6e PP |
754 | ret = -1; |
755 | goto end; | |
756 | } | |
757 | } else { | |
758 | if (stream_class->event_context_type) { | |
759 | BT_LOGW("Invalid parameter: setting no stream event context but stream event context field type is not NULL: " | |
760 | "event-addr=%p, event-class-name=\"%s\", " | |
761 | "event-class-id=%" PRId64 ", " | |
762 | "stream-event-context-ft-addr=%p", | |
763 | event, | |
839d52a5 PP |
764 | bt_event_class_get_name(event->event_class), |
765 | bt_event_class_get_id(event->event_class), | |
c5c82c6e PP |
766 | stream_class->event_context_type); |
767 | ret = -1; | |
768 | goto end; | |
769 | } | |
5fd2e9fd PP |
770 | } |
771 | ||
772 | bt_get(stream_event_context); | |
773 | BT_MOVE(event->stream_event_context, stream_event_context); | |
7b010242 PP |
774 | BT_LOGV("Set event's stream event context field: event-addr=%p, " |
775 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
776 | "stream-event-context-field-addr=%p", | |
839d52a5 PP |
777 | event, bt_event_class_get_name(event->event_class), |
778 | bt_event_class_get_id(event->event_class), | |
7b010242 | 779 | stream_event_context); |
5fd2e9fd PP |
780 | end: |
781 | BT_PUT(stream_class); | |
782 | bt_put(field_type); | |
783 | return ret; | |
784 | } | |
785 | ||
7b010242 | 786 | /* Pre-2.0 CTF writer backward compatibility */ |
839d52a5 | 787 | void bt_ctf_event_get(struct bt_event *event) |
273b65be | 788 | { |
83509119 | 789 | bt_get(event); |
273b65be JG |
790 | } |
791 | ||
7b010242 | 792 | /* Pre-2.0 CTF writer backward compatibility */ |
839d52a5 | 793 | void bt_ctf_event_put(struct bt_event *event) |
273b65be | 794 | { |
83509119 | 795 | bt_put(event); |
273b65be JG |
796 | } |
797 | ||
839d52a5 | 798 | void bt_event_destroy(struct bt_object *obj) |
273b65be | 799 | { |
839d52a5 | 800 | struct bt_event *event; |
273b65be | 801 | |
839d52a5 | 802 | event = container_of(obj, struct bt_event, base); |
7b010242 PP |
803 | BT_LOGD("Destroying event: addr=%p, " |
804 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
805 | event, bt_event_class_get_name(event->event_class), |
806 | bt_event_class_get_id(event->event_class)); | |
7b010242 | 807 | |
e6a8e8e4 JG |
808 | if (!event->base.parent) { |
809 | /* | |
810 | * Event was keeping a reference to its class since it shared no | |
811 | * common ancestor with it to guarantee they would both have the | |
812 | * same lifetime. | |
813 | */ | |
814 | bt_put(event->event_class); | |
815 | } | |
41ac640a | 816 | g_hash_table_destroy(event->clock_values); |
03039f21 | 817 | BT_LOGD_STR("Putting event's header field."); |
83509119 | 818 | bt_put(event->event_header); |
03039f21 | 819 | BT_LOGD_STR("Putting event's stream event context field."); |
5fd2e9fd | 820 | bt_put(event->stream_event_context); |
03039f21 | 821 | BT_LOGD_STR("Putting event's context field."); |
83509119 | 822 | bt_put(event->context_payload); |
03039f21 | 823 | BT_LOGD_STR("Putting event's payload field."); |
83509119 | 824 | bt_put(event->fields_payload); |
03039f21 | 825 | BT_LOGD_STR("Putting event's packet."); |
5c3b707d | 826 | bt_put(event->packet); |
273b65be JG |
827 | g_free(event); |
828 | } | |
829 | ||
839d52a5 PP |
830 | struct bt_clock_value *bt_event_get_clock_value( |
831 | struct bt_event *event, struct bt_clock_class *clock_class) | |
78586d8a | 832 | { |
839d52a5 | 833 | struct bt_clock_value *clock_value = NULL; |
78586d8a | 834 | |
ac0c6bdd | 835 | if (!event || !clock_class) { |
7b010242 PP |
836 | BT_LOGW("Invalid parameter: event or clock class is NULL: " |
837 | "event-addr=%p, clock-class-addr=%p", | |
838 | event, clock_class); | |
78586d8a JG |
839 | goto end; |
840 | } | |
841 | ||
ac0c6bdd | 842 | clock_value = g_hash_table_lookup(event->clock_values, clock_class); |
78586d8a | 843 | if (!clock_value) { |
7b010242 PP |
844 | BT_LOGV("No clock value associated to the given clock class: " |
845 | "event-addr=%p, event-class-name=\"%s\", " | |
846 | "event-class-id=%" PRId64 ", clock-class-addr=%p, " | |
847 | "clock-class-name=\"%s\"", event, | |
839d52a5 PP |
848 | bt_event_class_get_name(event->event_class), |
849 | bt_event_class_get_id(event->event_class), | |
850 | clock_class, bt_clock_class_get_name(clock_class)); | |
78586d8a JG |
851 | goto end; |
852 | } | |
853 | ||
1556a1af JG |
854 | bt_get(clock_value); |
855 | end: | |
856 | return clock_value; | |
857 | } | |
858 | ||
839d52a5 PP |
859 | int bt_event_set_clock_value(struct bt_event *event, |
860 | struct bt_clock_value *value) | |
662e778c JG |
861 | { |
862 | int ret = 0; | |
839d52a5 PP |
863 | struct bt_trace *trace; |
864 | struct bt_stream_class *stream_class; | |
865 | struct bt_event_class *event_class; | |
866 | struct bt_clock_class *clock_class = NULL; | |
662e778c | 867 | |
7b010242 PP |
868 | if (!event || !value) { |
869 | BT_LOGW("Invalid parameter: event or clock value is NULL: " | |
870 | "event-addr=%p, clock-value-addr=%p", | |
871 | event, value); | |
872 | ret = -1; | |
873 | goto end; | |
874 | } | |
875 | ||
876 | if (event->frozen) { | |
877 | BT_LOGW("Invalid parameter: event is frozen: addr=%p, " | |
878 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
879 | event, bt_event_class_get_name(event->event_class), |
880 | bt_event_class_get_id(event->event_class)); | |
662e778c JG |
881 | ret = -1; |
882 | goto end; | |
883 | } | |
884 | ||
839d52a5 PP |
885 | clock_class = bt_clock_value_get_class(value); |
886 | event_class = bt_event_borrow_event_class(event); | |
c9d90a34 | 887 | assert(event_class); |
839d52a5 | 888 | stream_class = bt_event_class_borrow_stream_class(event_class); |
c9d90a34 | 889 | assert(stream_class); |
839d52a5 | 890 | trace = bt_stream_class_borrow_trace(stream_class); |
c9d90a34 PP |
891 | assert(trace); |
892 | ||
839d52a5 | 893 | if (!bt_trace_has_clock_class(trace, clock_class)) { |
7b010242 PP |
894 | BT_LOGW("Invalid parameter: clock class is not part of event's trace: " |
895 | "event-addr=%p, event-class-name=\"%s\", " | |
896 | "event-class-id=%" PRId64 ", clock-class-addr=%p, " | |
897 | "clock-class-name=\"%s\"", | |
839d52a5 PP |
898 | event, bt_event_class_get_name(event->event_class), |
899 | bt_event_class_get_id(event->event_class), | |
900 | clock_class, bt_clock_class_get_name(clock_class)); | |
c9d90a34 PP |
901 | ret = -1; |
902 | goto end; | |
903 | } | |
904 | ||
905 | g_hash_table_insert(event->clock_values, clock_class, bt_get(value)); | |
7b010242 PP |
906 | BT_LOGV("Set event's clock value: " |
907 | "event-addr=%p, event-class-name=\"%s\", " | |
908 | "event-class-id=%" PRId64 ", clock-class-addr=%p, " | |
909 | "clock-class-name=\"%s\", clock-value-addr=%p, " | |
910 | "clock-value-cycles=%" PRIu64, | |
839d52a5 PP |
911 | event, bt_event_class_get_name(event->event_class), |
912 | bt_event_class_get_id(event->event_class), | |
913 | clock_class, bt_clock_class_get_name(clock_class), | |
7b010242 | 914 | value, value->value); |
c9d90a34 PP |
915 | clock_class = NULL; |
916 | ||
662e778c | 917 | end: |
c9d90a34 | 918 | bt_put(clock_class); |
662e778c JG |
919 | return ret; |
920 | } | |
921 | ||
273b65be | 922 | BT_HIDDEN |
839d52a5 | 923 | int bt_event_validate(struct bt_event *event) |
273b65be JG |
924 | { |
925 | /* Make sure each field's payload has been set */ | |
926 | int ret; | |
839d52a5 | 927 | struct bt_stream_class *stream_class = NULL; |
273b65be JG |
928 | |
929 | assert(event); | |
93872409 | 930 | if (event->event_header) { |
839d52a5 | 931 | ret = bt_field_validate(event->event_header); |
93872409 JD |
932 | if (ret) { |
933 | BT_LOGD("Invalid event's header field: " | |
934 | "event-addr=%p, event-class-name=\"%s\", " | |
935 | "event-class-id=%" PRId64, | |
839d52a5 PP |
936 | event, bt_event_class_get_name(event->event_class), |
937 | bt_event_class_get_id(event->event_class)); | |
93872409 JD |
938 | goto end; |
939 | } | |
662e778c JG |
940 | } |
941 | ||
839d52a5 | 942 | stream_class = bt_event_class_get_stream_class(event->event_class); |
5fd2e9fd PP |
943 | /* |
944 | * We should not have been able to create the event without associating | |
945 | * the event class to a stream class. | |
946 | */ | |
947 | assert(stream_class); | |
948 | if (stream_class->event_context_type) { | |
839d52a5 | 949 | ret = bt_field_validate(event->stream_event_context); |
5fd2e9fd | 950 | if (ret) { |
7b010242 PP |
951 | BT_LOGD("Invalid event's stream event context field: " |
952 | "event-addr=%p, event-class-name=\"%s\", " | |
953 | "event-class-id=%" PRId64, | |
954 | event, | |
839d52a5 PP |
955 | bt_event_class_get_name(event->event_class), |
956 | bt_event_class_get_id(event->event_class)); | |
5fd2e9fd PP |
957 | goto end; |
958 | } | |
959 | } | |
960 | ||
839d52a5 | 961 | ret = bt_field_validate(event->fields_payload); |
273b65be | 962 | if (ret) { |
7b010242 PP |
963 | BT_LOGD("Invalid event's payload field: " |
964 | "event-addr=%p, event-class-name=\"%s\", " | |
965 | "event-class-id=%" PRId64, | |
966 | event, | |
839d52a5 PP |
967 | bt_event_class_get_name(event->event_class), |
968 | bt_event_class_get_id(event->event_class)); | |
273b65be JG |
969 | goto end; |
970 | } | |
971 | ||
972 | if (event->event_class->context) { | |
7b010242 PP |
973 | BT_LOGD("Invalid event's context field: " |
974 | "event-addr=%p, event-class-name=\"%s\", " | |
975 | "event-class-id=%" PRId64, | |
976 | event, | |
839d52a5 PP |
977 | bt_event_class_get_name(event->event_class), |
978 | bt_event_class_get_id(event->event_class)); | |
979 | ret = bt_field_validate(event->context_payload); | |
273b65be JG |
980 | } |
981 | end: | |
5fd2e9fd | 982 | bt_put(stream_class); |
273b65be JG |
983 | return ret; |
984 | } | |
985 | ||
986 | BT_HIDDEN | |
839d52a5 PP |
987 | int bt_event_serialize(struct bt_event *event, |
988 | struct bt_stream_pos *pos, | |
989 | enum bt_byte_order native_byte_order) | |
273b65be JG |
990 | { |
991 | int ret = 0; | |
992 | ||
993 | assert(event); | |
994 | assert(pos); | |
dc3fffef | 995 | |
ffffc526 | 996 | BT_LOGV_STR("Serializing event's context field."); |
273b65be | 997 | if (event->context_payload) { |
839d52a5 | 998 | ret = bt_field_serialize(event->context_payload, pos, |
dc3fffef | 999 | native_byte_order); |
273b65be | 1000 | if (ret) { |
3ee09f3a | 1001 | BT_LOGW("Cannot serialize event's context field: " |
7b010242 PP |
1002 | "event-addr=%p, event-class-name=\"%s\", " |
1003 | "event-class-id=%" PRId64, | |
1004 | event, | |
839d52a5 PP |
1005 | bt_event_class_get_name(event->event_class), |
1006 | bt_event_class_get_id(event->event_class)); | |
273b65be JG |
1007 | goto end; |
1008 | } | |
1009 | } | |
1010 | ||
ffffc526 | 1011 | BT_LOGV_STR("Serializing event's payload field."); |
273b65be | 1012 | if (event->fields_payload) { |
839d52a5 | 1013 | ret = bt_field_serialize(event->fields_payload, pos, |
dc3fffef | 1014 | native_byte_order); |
273b65be | 1015 | if (ret) { |
3ee09f3a | 1016 | BT_LOGW("Cannot serialize event's payload field: " |
7b010242 PP |
1017 | "event-addr=%p, event-class-name=\"%s\", " |
1018 | "event-class-id=%" PRId64, | |
1019 | event, | |
839d52a5 PP |
1020 | bt_event_class_get_name(event->event_class), |
1021 | bt_event_class_get_id(event->event_class)); | |
273b65be JG |
1022 | goto end; |
1023 | } | |
1024 | } | |
1025 | end: | |
1026 | return ret; | |
1027 | } | |
1028 | ||
839d52a5 | 1029 | struct bt_packet *bt_event_get_packet(struct bt_event *event) |
5c0f40f4 | 1030 | { |
839d52a5 | 1031 | struct bt_packet *packet = NULL; |
5c0f40f4 | 1032 | |
7b010242 PP |
1033 | if (!event) { |
1034 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
1035 | goto end; | |
1036 | } | |
1037 | ||
1038 | if (!event->packet) { | |
1039 | BT_LOGV("Event has no current packet: addr=%p, " | |
1040 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
1041 | event, bt_event_class_get_name(event->event_class), |
1042 | bt_event_class_get_id(event->event_class)); | |
5c0f40f4 JG |
1043 | goto end; |
1044 | } | |
1045 | ||
1046 | packet = bt_get(event->packet); | |
1047 | end: | |
1048 | return packet; | |
1049 | } | |
1050 | ||
839d52a5 PP |
1051 | int bt_event_set_packet(struct bt_event *event, |
1052 | struct bt_packet *packet) | |
5c3b707d | 1053 | { |
839d52a5 PP |
1054 | struct bt_stream_class *event_stream_class = NULL; |
1055 | struct bt_stream_class *packet_stream_class = NULL; | |
1056 | struct bt_stream *stream = NULL; | |
5c3b707d PP |
1057 | int ret = 0; |
1058 | ||
7b010242 PP |
1059 | if (!event || !packet) { |
1060 | BT_LOGW("Invalid parameter: event or packet is NULL: " | |
1061 | "event-addr=%p, packet-addr=%p", | |
1062 | event, packet); | |
1063 | ret = -1; | |
1064 | goto end; | |
1065 | } | |
1066 | ||
1067 | if (event->frozen) { | |
1068 | BT_LOGW("Invalid parameter: event is frozen: addr=%p, " | |
1069 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
1070 | event, bt_event_class_get_name(event->event_class), |
1071 | bt_event_class_get_id(event->event_class)); | |
5c3b707d PP |
1072 | ret = -1; |
1073 | goto end; | |
1074 | } | |
1075 | ||
1076 | /* | |
1077 | * Make sure the new packet was created by this event's | |
1078 | * stream, if it is set. | |
1079 | */ | |
839d52a5 | 1080 | stream = bt_event_get_stream(event); |
5c3b707d PP |
1081 | if (stream) { |
1082 | if (packet->stream != stream) { | |
7b010242 PP |
1083 | BT_LOGW("Invalid parameter: packet's stream and event's stream differ: " |
1084 | "event-addr=%p, event-class-name=\"%s\", " | |
1085 | "event-class-id=%" PRId64 ", packet-stream-addr=%p, " | |
1086 | "event-stream-addr=%p", | |
839d52a5 PP |
1087 | event, bt_event_class_get_name(event->event_class), |
1088 | bt_event_class_get_id(event->event_class), | |
7b010242 | 1089 | packet->stream, stream); |
5c3b707d PP |
1090 | ret = -1; |
1091 | goto end; | |
1092 | } | |
1093 | } else { | |
b2b635e9 | 1094 | event_stream_class = |
839d52a5 | 1095 | bt_event_class_get_stream_class(event->event_class); |
b2b635e9 | 1096 | packet_stream_class = |
839d52a5 | 1097 | bt_stream_get_class(packet->stream); |
b2b635e9 PP |
1098 | |
1099 | assert(event_stream_class); | |
1100 | assert(packet_stream_class); | |
1101 | ||
1102 | if (event_stream_class != packet_stream_class) { | |
7b010242 PP |
1103 | BT_LOGW("Invalid parameter: packet's stream class and event's stream class differ: " |
1104 | "event-addr=%p, event-class-name=\"%s\", " | |
1105 | "event-class-id=%" PRId64 ", packet-stream-class-addr=%p, " | |
1106 | "event-stream-class-addr=%p", | |
839d52a5 PP |
1107 | event, bt_event_class_get_name(event->event_class), |
1108 | bt_event_class_get_id(event->event_class), | |
7b010242 | 1109 | packet_stream_class, event_stream_class); |
b2b635e9 PP |
1110 | ret = -1; |
1111 | goto end; | |
1112 | } | |
5c3b707d PP |
1113 | } |
1114 | ||
cacf3147 PP |
1115 | bt_get(packet); |
1116 | BT_MOVE(event->packet, packet); | |
7b010242 PP |
1117 | BT_LOGV("Set event's packet: event-addr=%p, " |
1118 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
1119 | "packet-addr=%p", | |
839d52a5 PP |
1120 | event, bt_event_class_get_name(event->event_class), |
1121 | bt_event_class_get_id(event->event_class), packet); | |
5c3b707d PP |
1122 | |
1123 | end: | |
1124 | BT_PUT(stream); | |
b2b635e9 PP |
1125 | BT_PUT(event_stream_class); |
1126 | BT_PUT(packet_stream_class); | |
5c3b707d PP |
1127 | |
1128 | return ret; | |
1129 | } | |
4ce9f9d0 PP |
1130 | |
1131 | BT_HIDDEN | |
839d52a5 | 1132 | void bt_event_freeze(struct bt_event *event) |
4ce9f9d0 PP |
1133 | { |
1134 | assert(event); | |
7b010242 PP |
1135 | |
1136 | if (event->frozen) { | |
1137 | return; | |
1138 | } | |
1139 | ||
1140 | BT_LOGD("Freezing event: addr=%p, " | |
1141 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
839d52a5 PP |
1142 | event, bt_event_class_get_name(event->event_class), |
1143 | bt_event_class_get_id(event->event_class)); | |
1144 | bt_packet_freeze(event->packet); | |
03039f21 | 1145 | BT_LOGD_STR("Freezing event's header field."); |
839d52a5 | 1146 | bt_field_freeze(event->event_header); |
03039f21 | 1147 | BT_LOGD_STR("Freezing event's stream event context field."); |
839d52a5 | 1148 | bt_field_freeze(event->stream_event_context); |
03039f21 | 1149 | BT_LOGD_STR("Freezing event's context field."); |
839d52a5 | 1150 | bt_field_freeze(event->context_payload); |
03039f21 | 1151 | BT_LOGD_STR("Freezing event's payload field."); |
839d52a5 | 1152 | bt_field_freeze(event->fields_payload); |
4ce9f9d0 PP |
1153 | event->frozen = 1; |
1154 | } |