Commit | Line | Data |
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bc37ae52 JG |
1 | /* |
2 | * trace.c | |
3 | * | |
4 | * Babeltrace CTF IR - Trace | |
5 | * | |
6 | * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
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 | ||
e011d2c1 PP |
29 | #define BT_LOG_TAG "TRACE" |
30 | #include <babeltrace/lib-logging-internal.h> | |
31 | ||
bc37ae52 | 32 | #include <babeltrace/ctf-ir/trace-internal.h> |
ac0c6bdd | 33 | #include <babeltrace/ctf-ir/clock-class-internal.h> |
bc37ae52 JG |
34 | #include <babeltrace/ctf-ir/stream-internal.h> |
35 | #include <babeltrace/ctf-ir/stream-class-internal.h> | |
09840de5 | 36 | #include <babeltrace/ctf-ir/event-internal.h> |
272df73e PP |
37 | #include <babeltrace/ctf-ir/event-class.h> |
38 | #include <babeltrace/ctf-ir/event-class-internal.h> | |
bc37ae52 | 39 | #include <babeltrace/ctf-writer/functor-internal.h> |
ac0c6bdd | 40 | #include <babeltrace/ctf-writer/clock-internal.h> |
2e33ac5a | 41 | #include <babeltrace/ctf-ir/field-types-internal.h> |
44e0a4f5 | 42 | #include <babeltrace/ctf-ir/attributes-internal.h> |
09840de5 | 43 | #include <babeltrace/ctf-ir/validation-internal.h> |
8bf65fbd | 44 | #include <babeltrace/ctf-ir/visitor-internal.h> |
654c1444 | 45 | #include <babeltrace/ctf-ir/utils.h> |
3d9990ac | 46 | #include <babeltrace/compiler-internal.h> |
dac5c838 | 47 | #include <babeltrace/values.h> |
95c09b3a | 48 | #include <babeltrace/values-internal.h> |
83509119 | 49 | #include <babeltrace/ref.h> |
c55a9f58 | 50 | #include <babeltrace/types.h> |
3d9990ac | 51 | #include <babeltrace/endian-internal.h> |
dc3fffef | 52 | #include <inttypes.h> |
544d0515 | 53 | #include <stdint.h> |
4a32fda0 | 54 | #include <string.h> |
0fbb9a9f | 55 | #include <stdlib.h> |
bc37ae52 JG |
56 | |
57 | #define DEFAULT_IDENTIFIER_SIZE 128 | |
58 | #define DEFAULT_METADATA_STRING_SIZE 4096 | |
59 | ||
50ad4244 | 60 | struct listener_wrapper { |
50842bdc | 61 | bt_listener_cb listener; |
2204c381 JG |
62 | void *data; |
63 | }; | |
64 | ||
50842bdc PP |
65 | struct bt_trace_is_static_listener_elem { |
66 | bt_trace_is_static_listener func; | |
67 | bt_trace_listener_removed removed; | |
3602afb0 PP |
68 | void *data; |
69 | }; | |
70 | ||
bc37ae52 | 71 | static |
50842bdc | 72 | void bt_trace_destroy(struct bt_object *obj); |
bc37ae52 | 73 | static |
50842bdc | 74 | void bt_trace_freeze(struct bt_trace *trace); |
bc37ae52 | 75 | |
bc37ae52 JG |
76 | static |
77 | const unsigned int field_type_aliases_alignments[] = { | |
78 | [FIELD_TYPE_ALIAS_UINT5_T] = 1, | |
79 | [FIELD_TYPE_ALIAS_UINT8_T ... FIELD_TYPE_ALIAS_UINT16_T] = 8, | |
80 | [FIELD_TYPE_ALIAS_UINT27_T] = 1, | |
81 | [FIELD_TYPE_ALIAS_UINT32_T ... FIELD_TYPE_ALIAS_UINT64_T] = 8, | |
82 | }; | |
83 | ||
84 | static | |
85 | const unsigned int field_type_aliases_sizes[] = { | |
86 | [FIELD_TYPE_ALIAS_UINT5_T] = 5, | |
87 | [FIELD_TYPE_ALIAS_UINT8_T] = 8, | |
88 | [FIELD_TYPE_ALIAS_UINT16_T] = 16, | |
89 | [FIELD_TYPE_ALIAS_UINT27_T] = 27, | |
90 | [FIELD_TYPE_ALIAS_UINT32_T] = 32, | |
91 | [FIELD_TYPE_ALIAS_UINT64_T] = 64, | |
92 | }; | |
93 | ||
50842bdc | 94 | struct bt_trace *bt_trace_create(void) |
bc37ae52 | 95 | { |
50842bdc | 96 | struct bt_trace *trace = NULL; |
bc37ae52 | 97 | |
50842bdc | 98 | trace = g_new0(struct bt_trace, 1); |
bc37ae52 | 99 | if (!trace) { |
95c09b3a | 100 | BT_LOGE_STR("Failed to allocate one trace."); |
bc37ae52 JG |
101 | goto error; |
102 | } | |
103 | ||
95c09b3a | 104 | BT_LOGD_STR("Creating trace object."); |
50842bdc PP |
105 | trace->native_byte_order = BT_BYTE_ORDER_UNSPECIFIED; |
106 | bt_object_init(trace, bt_trace_destroy); | |
bc37ae52 | 107 | trace->clocks = g_ptr_array_new_with_free_func( |
83509119 | 108 | (GDestroyNotify) bt_put); |
95c09b3a PP |
109 | if (!trace->clocks) { |
110 | BT_LOGE_STR("Failed to allocate one GPtrArray."); | |
111 | goto error; | |
112 | } | |
113 | ||
bc37ae52 | 114 | trace->streams = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 115 | (GDestroyNotify) bt_object_release); |
95c09b3a PP |
116 | if (!trace->streams) { |
117 | BT_LOGE_STR("Failed to allocate one GPtrArray."); | |
118 | goto error; | |
119 | } | |
120 | ||
bc37ae52 | 121 | trace->stream_classes = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 122 | (GDestroyNotify) bt_object_release); |
95c09b3a PP |
123 | if (!trace->stream_classes) { |
124 | BT_LOGE_STR("Failed to allocate one GPtrArray."); | |
83509119 | 125 | goto error; |
bc37ae52 JG |
126 | } |
127 | ||
7f800dc7 | 128 | /* Create the environment array object */ |
50842bdc | 129 | trace->environment = bt_attributes_create(); |
7f800dc7 | 130 | if (!trace->environment) { |
95c09b3a | 131 | BT_LOGE_STR("Cannot create empty attributes object."); |
83509119 | 132 | goto error; |
7f800dc7 PP |
133 | } |
134 | ||
9b888ff3 JG |
135 | trace->listeners = g_ptr_array_new_with_free_func( |
136 | (GDestroyNotify) g_free); | |
137 | if (!trace->listeners) { | |
95c09b3a | 138 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
9b888ff3 JG |
139 | goto error; |
140 | } | |
141 | ||
3602afb0 | 142 | trace->is_static_listeners = g_array_new(FALSE, TRUE, |
50842bdc | 143 | sizeof(struct bt_trace_is_static_listener_elem)); |
3602afb0 PP |
144 | if (!trace->is_static_listeners) { |
145 | BT_LOGE_STR("Failed to allocate one GArray."); | |
146 | goto error; | |
147 | } | |
148 | ||
95c09b3a | 149 | BT_LOGD("Created trace object: addr=%p", trace); |
bc37ae52 JG |
150 | return trace; |
151 | ||
bc37ae52 | 152 | error: |
83509119 | 153 | BT_PUT(trace); |
bc37ae52 JG |
154 | return trace; |
155 | } | |
156 | ||
50842bdc | 157 | const char *bt_trace_get_name(struct bt_trace *trace) |
e96045d4 JG |
158 | { |
159 | const char *name = NULL; | |
160 | ||
95c09b3a PP |
161 | if (!trace) { |
162 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
163 | goto end; | |
164 | } | |
165 | ||
166 | if (!trace->name) { | |
e96045d4 JG |
167 | goto end; |
168 | } | |
169 | ||
170 | name = trace->name->str; | |
171 | end: | |
172 | return name; | |
173 | } | |
174 | ||
50842bdc | 175 | int bt_trace_set_name(struct bt_trace *trace, const char *name) |
e96045d4 JG |
176 | { |
177 | int ret = 0; | |
178 | ||
95c09b3a PP |
179 | if (!trace) { |
180 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
181 | ret = -1; | |
182 | goto end; | |
183 | } | |
184 | ||
185 | if (!name) { | |
186 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
187 | ret = -1; | |
188 | goto end; | |
189 | } | |
190 | ||
191 | if (trace->frozen) { | |
192 | BT_LOGW("Invalid parameter: trace is frozen: " | |
193 | "addr=%p, name=\"%s\"", | |
50842bdc | 194 | trace, bt_trace_get_name(trace)); |
e96045d4 JG |
195 | ret = -1; |
196 | goto end; | |
197 | } | |
198 | ||
199 | trace->name = trace->name ? g_string_assign(trace->name, name) : | |
200 | g_string_new(name); | |
201 | if (!trace->name) { | |
95c09b3a | 202 | BT_LOGE_STR("Failed to allocate one GString."); |
e96045d4 JG |
203 | ret = -1; |
204 | goto end; | |
205 | } | |
95c09b3a PP |
206 | |
207 | BT_LOGV("Set trace's name: addr=%p, name=\"%s\"", trace, name); | |
208 | ||
e96045d4 JG |
209 | end: |
210 | return ret; | |
211 | } | |
212 | ||
50842bdc | 213 | const unsigned char *bt_trace_get_uuid(struct bt_trace *trace) |
4a32fda0 PP |
214 | { |
215 | return trace && trace->uuid_set ? trace->uuid : NULL; | |
216 | } | |
217 | ||
50842bdc | 218 | int bt_trace_set_uuid(struct bt_trace *trace, const unsigned char *uuid) |
4a32fda0 PP |
219 | { |
220 | int ret = 0; | |
221 | ||
95c09b3a PP |
222 | if (!trace) { |
223 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
224 | ret = -1; | |
225 | goto end; | |
226 | } | |
227 | ||
228 | if (!uuid) { | |
229 | BT_LOGW_STR("Invalid parameter: UUID is NULL."); | |
230 | ret = -1; | |
231 | goto end; | |
232 | } | |
233 | ||
234 | if (trace->frozen) { | |
235 | BT_LOGW("Invalid parameter: trace is frozen: " | |
236 | "addr=%p, name=\"%s\"", | |
50842bdc | 237 | trace, bt_trace_get_name(trace)); |
4a32fda0 PP |
238 | ret = -1; |
239 | goto end; | |
240 | } | |
241 | ||
20eee76e | 242 | memcpy(trace->uuid, uuid, BABELTRACE_UUID_LEN); |
c55a9f58 | 243 | trace->uuid_set = BT_TRUE; |
95c09b3a PP |
244 | BT_LOGV("Set trace's UUID: addr=%p, name=\"%s\", " |
245 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
50842bdc | 246 | trace, bt_trace_get_name(trace), |
95c09b3a PP |
247 | (unsigned int) uuid[0], |
248 | (unsigned int) uuid[1], | |
249 | (unsigned int) uuid[2], | |
250 | (unsigned int) uuid[3], | |
251 | (unsigned int) uuid[4], | |
252 | (unsigned int) uuid[5], | |
253 | (unsigned int) uuid[6], | |
254 | (unsigned int) uuid[7], | |
255 | (unsigned int) uuid[8], | |
256 | (unsigned int) uuid[9], | |
257 | (unsigned int) uuid[10], | |
258 | (unsigned int) uuid[11], | |
259 | (unsigned int) uuid[12], | |
260 | (unsigned int) uuid[13], | |
261 | (unsigned int) uuid[14], | |
262 | (unsigned int) uuid[15]); | |
4a32fda0 PP |
263 | |
264 | end: | |
265 | return ret; | |
266 | } | |
267 | ||
50842bdc | 268 | void bt_trace_destroy(struct bt_object *obj) |
bc37ae52 | 269 | { |
50842bdc | 270 | struct bt_trace *trace; |
bc37ae52 | 271 | |
50842bdc | 272 | trace = container_of(obj, struct bt_trace, base); |
95c09b3a PP |
273 | |
274 | BT_LOGD("Destroying trace object: addr=%p, name=\"%s\"", | |
50842bdc | 275 | trace, bt_trace_get_name(trace)); |
95c09b3a | 276 | |
8480c8cc PP |
277 | /* |
278 | * Call remove listeners first so that everything else still | |
279 | * exists in the trace. | |
280 | */ | |
281 | if (trace->is_static_listeners) { | |
282 | size_t i; | |
283 | ||
284 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 285 | struct bt_trace_is_static_listener_elem elem = |
8480c8cc | 286 | g_array_index(trace->is_static_listeners, |
50842bdc | 287 | struct bt_trace_is_static_listener_elem, i); |
8480c8cc PP |
288 | |
289 | if (elem.removed) { | |
290 | elem.removed(trace, elem.data); | |
291 | } | |
292 | } | |
293 | ||
294 | g_array_free(trace->is_static_listeners, TRUE); | |
295 | } | |
296 | ||
297 | if (trace->listeners) { | |
298 | g_ptr_array_free(trace->listeners, TRUE); | |
299 | } | |
300 | ||
bc37ae52 | 301 | if (trace->environment) { |
95c09b3a | 302 | BT_LOGD_STR("Destroying environment attributes."); |
50842bdc | 303 | bt_attributes_destroy(trace->environment); |
bc37ae52 JG |
304 | } |
305 | ||
e96045d4 JG |
306 | if (trace->name) { |
307 | g_string_free(trace->name, TRUE); | |
308 | } | |
309 | ||
bc37ae52 | 310 | if (trace->clocks) { |
95c09b3a | 311 | BT_LOGD_STR("Putting clock classes."); |
bc37ae52 JG |
312 | g_ptr_array_free(trace->clocks, TRUE); |
313 | } | |
314 | ||
315 | if (trace->streams) { | |
607ff9b8 | 316 | BT_LOGD_STR("Destroying streams."); |
bc37ae52 JG |
317 | g_ptr_array_free(trace->streams, TRUE); |
318 | } | |
319 | ||
320 | if (trace->stream_classes) { | |
607ff9b8 | 321 | BT_LOGD_STR("Destroying stream classes."); |
bc37ae52 JG |
322 | g_ptr_array_free(trace->stream_classes, TRUE); |
323 | } | |
324 | ||
95c09b3a | 325 | BT_LOGD_STR("Putting packet header field type."); |
83509119 | 326 | bt_put(trace->packet_header_type); |
bc37ae52 JG |
327 | g_free(trace); |
328 | } | |
329 | ||
50842bdc | 330 | int bt_trace_set_environment_field(struct bt_trace *trace, |
dac5c838 | 331 | const char *name, struct bt_value *value) |
bc37ae52 | 332 | { |
bc37ae52 JG |
333 | int ret = 0; |
334 | ||
95c09b3a PP |
335 | if (!trace) { |
336 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
337 | ret = -1; | |
338 | goto end; | |
339 | } | |
340 | ||
341 | if (!name) { | |
342 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
343 | ret = -1; | |
344 | goto end; | |
345 | } | |
346 | ||
347 | if (!value) { | |
348 | BT_LOGW_STR("Invalid parameter: value is NULL."); | |
349 | ret = -1; | |
350 | goto end; | |
351 | } | |
352 | ||
50842bdc | 353 | if (bt_identifier_is_valid(name)) { |
95c09b3a PP |
354 | BT_LOGW("Invalid parameter: environment field's name is not a valid CTF identifier: " |
355 | "trace-addr=%p, trace-name=\"%s\", " | |
356 | "env-name=\"%s\"", | |
50842bdc | 357 | trace, bt_trace_get_name(trace), name); |
bc37ae52 | 358 | ret = -1; |
7f800dc7 | 359 | goto end; |
bc37ae52 JG |
360 | } |
361 | ||
95c09b3a PP |
362 | if (!bt_value_is_integer(value) && !bt_value_is_string(value)) { |
363 | BT_LOGW("Invalid parameter: environment field's value is not an integer or string value: " | |
364 | "trace-addr=%p, trace-name=\"%s\", " | |
365 | "env-name=\"%s\", env-value-type=%s", | |
50842bdc | 366 | trace, bt_trace_get_name(trace), name, |
95c09b3a PP |
367 | bt_value_type_string(bt_value_get_type(value))); |
368 | ret = -1; | |
369 | goto end; | |
370 | } | |
371 | ||
372 | if (trace->is_static) { | |
373 | BT_LOGW("Invalid parameter: trace is static: " | |
374 | "addr=%p, name=\"%s\"", | |
50842bdc | 375 | trace, bt_trace_get_name(trace)); |
bc37ae52 | 376 | ret = -1; |
7f800dc7 | 377 | goto end; |
bc37ae52 JG |
378 | } |
379 | ||
a0d12916 JG |
380 | if (trace->frozen) { |
381 | /* | |
382 | * New environment fields may be added to a frozen trace, | |
383 | * but existing fields may not be changed. | |
384 | * | |
385 | * The object passed is frozen like all other attributes. | |
386 | */ | |
dac5c838 | 387 | struct bt_value *attribute = |
50842bdc | 388 | bt_attributes_get_field_value_by_name( |
a0d12916 JG |
389 | trace->environment, name); |
390 | ||
391 | if (attribute) { | |
95c09b3a PP |
392 | BT_LOGW("Invalid parameter: trace is frozen and environment field already exists with this name: " |
393 | "trace-addr=%p, trace-name=\"%s\", " | |
394 | "env-name=\"%s\"", | |
50842bdc | 395 | trace, bt_trace_get_name(trace), name); |
83509119 | 396 | BT_PUT(attribute); |
a0d12916 JG |
397 | ret = -1; |
398 | goto end; | |
399 | } | |
400 | ||
dac5c838 | 401 | bt_value_freeze(value); |
a0d12916 JG |
402 | } |
403 | ||
50842bdc | 404 | ret = bt_attributes_set_field_value(trace->environment, name, |
7f800dc7 | 405 | value); |
95c09b3a PP |
406 | if (ret) { |
407 | BT_LOGE("Cannot set environment field's value: " | |
408 | "trace-addr=%p, trace-name=\"%s\", " | |
409 | "env-name=\"%s\"", | |
50842bdc | 410 | trace, bt_trace_get_name(trace), name); |
95c09b3a PP |
411 | } else { |
412 | BT_LOGV("Set environment field's value: " | |
413 | "trace-addr=%p, trace-name=\"%s\", " | |
414 | "env-name=\"%s\", value-addr=%p", | |
50842bdc | 415 | trace, bt_trace_get_name(trace), name, value); |
95c09b3a | 416 | } |
bc37ae52 | 417 | |
7f800dc7 PP |
418 | end: |
419 | return ret; | |
420 | } | |
bc37ae52 | 421 | |
50842bdc | 422 | int bt_trace_set_environment_field_string(struct bt_trace *trace, |
7f800dc7 PP |
423 | const char *name, const char *value) |
424 | { | |
425 | int ret = 0; | |
dac5c838 | 426 | struct bt_value *env_value_string_obj = NULL; |
7f800dc7 | 427 | |
95c09b3a PP |
428 | if (!value) { |
429 | BT_LOGW_STR("Invalid parameter: value is NULL."); | |
bc37ae52 | 430 | ret = -1; |
7f800dc7 | 431 | goto end; |
bc37ae52 JG |
432 | } |
433 | ||
dac5c838 | 434 | env_value_string_obj = bt_value_string_create_init(value); |
7f800dc7 | 435 | if (!env_value_string_obj) { |
95c09b3a | 436 | BT_LOGE_STR("Cannot create string value object."); |
7f800dc7 PP |
437 | ret = -1; |
438 | goto end; | |
bc37ae52 JG |
439 | } |
440 | ||
50842bdc PP |
441 | /* bt_trace_set_environment_field() logs errors */ |
442 | ret = bt_trace_set_environment_field(trace, name, | |
7f800dc7 PP |
443 | env_value_string_obj); |
444 | ||
445 | end: | |
95c09b3a | 446 | bt_put(env_value_string_obj); |
3487c9f3 JG |
447 | return ret; |
448 | } | |
449 | ||
50842bdc | 450 | int bt_trace_set_environment_field_integer(struct bt_trace *trace, |
7f800dc7 | 451 | const char *name, int64_t value) |
3487c9f3 | 452 | { |
3487c9f3 | 453 | int ret = 0; |
dac5c838 | 454 | struct bt_value *env_value_integer_obj = NULL; |
3487c9f3 | 455 | |
dac5c838 | 456 | env_value_integer_obj = bt_value_integer_create_init(value); |
7f800dc7 | 457 | if (!env_value_integer_obj) { |
95c09b3a | 458 | BT_LOGE_STR("Cannot create integer value object."); |
3487c9f3 | 459 | ret = -1; |
7f800dc7 | 460 | goto end; |
3487c9f3 JG |
461 | } |
462 | ||
50842bdc PP |
463 | /* bt_trace_set_environment_field() logs errors */ |
464 | ret = bt_trace_set_environment_field(trace, name, | |
7f800dc7 | 465 | env_value_integer_obj); |
95c09b3a | 466 | |
7f800dc7 | 467 | end: |
95c09b3a | 468 | bt_put(env_value_integer_obj); |
bc37ae52 JG |
469 | return ret; |
470 | } | |
471 | ||
50842bdc | 472 | int64_t bt_trace_get_environment_field_count(struct bt_trace *trace) |
e6fa2160 | 473 | { |
544d0515 | 474 | int64_t ret = 0; |
e6fa2160 JG |
475 | |
476 | if (!trace) { | |
95c09b3a | 477 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
9ac68eb1 | 478 | ret = (int64_t) -1; |
e6fa2160 JG |
479 | goto end; |
480 | } | |
481 | ||
50842bdc | 482 | ret = bt_attributes_get_count(trace->environment); |
95c09b3a | 483 | assert(ret >= 0); |
e6fa2160 | 484 | |
e6fa2160 | 485 | end: |
7f800dc7 | 486 | return ret; |
e6fa2160 JG |
487 | } |
488 | ||
489 | const char * | |
50842bdc | 490 | bt_trace_get_environment_field_name_by_index(struct bt_trace *trace, |
9ac68eb1 | 491 | uint64_t index) |
e6fa2160 | 492 | { |
e6fa2160 JG |
493 | const char *ret = NULL; |
494 | ||
7f800dc7 | 495 | if (!trace) { |
95c09b3a | 496 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
e6fa2160 JG |
497 | goto end; |
498 | } | |
499 | ||
50842bdc | 500 | ret = bt_attributes_get_field_name(trace->environment, index); |
7f800dc7 | 501 | |
e6fa2160 JG |
502 | end: |
503 | return ret; | |
504 | } | |
505 | ||
50842bdc PP |
506 | struct bt_value *bt_trace_get_environment_field_value_by_index( |
507 | struct bt_trace *trace, uint64_t index) | |
e6fa2160 | 508 | { |
dac5c838 | 509 | struct bt_value *ret = NULL; |
e6fa2160 | 510 | |
7f800dc7 | 511 | if (!trace) { |
95c09b3a | 512 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
e6fa2160 JG |
513 | goto end; |
514 | } | |
515 | ||
50842bdc | 516 | ret = bt_attributes_get_field_value(trace->environment, index); |
7f800dc7 | 517 | |
e6fa2160 JG |
518 | end: |
519 | return ret; | |
520 | } | |
521 | ||
50842bdc PP |
522 | struct bt_value *bt_trace_get_environment_field_value_by_name( |
523 | struct bt_trace *trace, const char *name) | |
e6fa2160 | 524 | { |
dac5c838 | 525 | struct bt_value *ret = NULL; |
e6fa2160 | 526 | |
95c09b3a PP |
527 | if (!trace) { |
528 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
529 | goto end; | |
530 | } | |
531 | ||
532 | if (!name) { | |
533 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
e6fa2160 JG |
534 | goto end; |
535 | } | |
536 | ||
50842bdc | 537 | ret = bt_attributes_get_field_value_by_name(trace->environment, |
7f800dc7 PP |
538 | name); |
539 | ||
e6fa2160 JG |
540 | end: |
541 | return ret; | |
542 | } | |
543 | ||
50842bdc PP |
544 | int bt_trace_add_clock_class(struct bt_trace *trace, |
545 | struct bt_clock_class *clock_class) | |
bc37ae52 JG |
546 | { |
547 | int ret = 0; | |
bc37ae52 | 548 | |
95c09b3a PP |
549 | if (!trace) { |
550 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
551 | ret = -1; | |
552 | goto end; | |
553 | } | |
554 | ||
555 | if (trace->is_static) { | |
556 | BT_LOGW("Invalid parameter: trace is static: " | |
557 | "addr=%p, name=\"%s\"", | |
50842bdc | 558 | trace, bt_trace_get_name(trace)); |
95c09b3a PP |
559 | ret = -1; |
560 | goto end; | |
561 | } | |
562 | ||
50842bdc | 563 | if (!bt_clock_class_is_valid(clock_class)) { |
95c09b3a PP |
564 | BT_LOGW("Invalid parameter: clock class is invalid: " |
565 | "trace-addr=%p, trace-name=\"%s\", " | |
566 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
50842bdc PP |
567 | trace, bt_trace_get_name(trace), |
568 | clock_class, bt_clock_class_get_name(clock_class)); | |
bc37ae52 JG |
569 | ret = -1; |
570 | goto end; | |
571 | } | |
572 | ||
ac0c6bdd | 573 | /* Check for duplicate clock classes */ |
50842bdc | 574 | if (bt_trace_has_clock_class(trace, clock_class)) { |
95c09b3a PP |
575 | BT_LOGW("Invalid parameter: clock class already exists in trace: " |
576 | "trace-addr=%p, trace-name=\"%s\", " | |
577 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
50842bdc PP |
578 | trace, bt_trace_get_name(trace), |
579 | clock_class, bt_clock_class_get_name(clock_class)); | |
bc37ae52 JG |
580 | ret = -1; |
581 | goto end; | |
582 | } | |
583 | ||
ac0c6bdd PP |
584 | bt_get(clock_class); |
585 | g_ptr_array_add(trace->clocks, clock_class); | |
cfeb617e | 586 | |
6474e016 | 587 | if (trace->frozen) { |
95c09b3a | 588 | BT_LOGV_STR("Freezing added clock class because trace is frozen."); |
50842bdc | 589 | bt_clock_class_freeze(clock_class); |
6474e016 | 590 | } |
95c09b3a PP |
591 | |
592 | BT_LOGV("Added clock class to trace: " | |
593 | "trace-addr=%p, trace-name=\"%s\", " | |
594 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
50842bdc PP |
595 | trace, bt_trace_get_name(trace), |
596 | clock_class, bt_clock_class_get_name(clock_class)); | |
95c09b3a | 597 | |
bc37ae52 JG |
598 | end: |
599 | return ret; | |
600 | } | |
601 | ||
50842bdc | 602 | int64_t bt_trace_get_clock_class_count(struct bt_trace *trace) |
884cd6c3 | 603 | { |
9ac68eb1 | 604 | int64_t ret = (int64_t) -1; |
884cd6c3 JG |
605 | |
606 | if (!trace) { | |
95c09b3a | 607 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
884cd6c3 JG |
608 | goto end; |
609 | } | |
610 | ||
611 | ret = trace->clocks->len; | |
612 | end: | |
613 | return ret; | |
614 | } | |
615 | ||
50842bdc PP |
616 | struct bt_clock_class *bt_trace_get_clock_class_by_index( |
617 | struct bt_trace *trace, uint64_t index) | |
884cd6c3 | 618 | { |
50842bdc | 619 | struct bt_clock_class *clock_class = NULL; |
884cd6c3 | 620 | |
95c09b3a PP |
621 | if (!trace) { |
622 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
623 | goto end; | |
624 | } | |
625 | ||
626 | if (index >= trace->clocks->len) { | |
627 | BT_LOGW("Invalid parameter: index is out of bounds: " | |
628 | "addr=%p, name=\"%s\", " | |
629 | "index=%" PRIu64 ", count=%u", | |
50842bdc | 630 | trace, bt_trace_get_name(trace), |
95c09b3a | 631 | index, trace->clocks->len); |
884cd6c3 JG |
632 | goto end; |
633 | } | |
634 | ||
ac0c6bdd PP |
635 | clock_class = g_ptr_array_index(trace->clocks, index); |
636 | bt_get(clock_class); | |
884cd6c3 | 637 | end: |
ac0c6bdd | 638 | return clock_class; |
884cd6c3 JG |
639 | } |
640 | ||
e011d2c1 | 641 | static |
50842bdc PP |
642 | bool packet_header_field_type_is_valid(struct bt_trace *trace, |
643 | struct bt_field_type *packet_header_type) | |
e011d2c1 PP |
644 | { |
645 | int ret; | |
646 | bool is_valid = true; | |
50842bdc | 647 | struct bt_field_type *field_type = NULL; |
e011d2c1 PP |
648 | |
649 | if (!packet_header_type) { | |
650 | /* | |
651 | * No packet header field type: trace must have only | |
652 | * one stream. At this point the stream class being | |
653 | * added is not part of the trace yet, so we validate | |
654 | * that the trace contains no stream classes yet. | |
655 | */ | |
656 | if (trace->stream_classes->len >= 1) { | |
657 | BT_LOGW_STR("Invalid packet header field type: " | |
658 | "packet header field type does not exist but there's more than one stream class in the trace."); | |
659 | goto invalid; | |
660 | } | |
661 | ||
662 | /* No packet header field type: valid at this point */ | |
663 | goto end; | |
664 | } | |
665 | ||
666 | /* Packet header field type, if it exists, must be a structure */ | |
50842bdc | 667 | if (!bt_field_type_is_structure(packet_header_type)) { |
e011d2c1 PP |
668 | BT_LOGW("Invalid packet header field type: must be a structure field type if it exists: " |
669 | "ft-addr=%p, ft-id=%s", | |
670 | packet_header_type, | |
50842bdc | 671 | bt_field_type_id_string(packet_header_type->id)); |
e011d2c1 PP |
672 | goto invalid; |
673 | } | |
674 | ||
675 | /* | |
676 | * If there's a `magic` field, it must be a 32-bit unsigned | |
677 | * integer field type. Also it must be the first field of the | |
678 | * packet header field type. | |
679 | */ | |
50842bdc | 680 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
681 | packet_header_type, "magic"); |
682 | if (field_type) { | |
683 | const char *field_name; | |
684 | ||
50842bdc | 685 | if (!bt_field_type_is_integer(field_type)) { |
e011d2c1 PP |
686 | BT_LOGW("Invalid packet header field type: `magic` field must be an integer field type: " |
687 | "magic-ft-addr=%p, magic-ft-id=%s", | |
688 | field_type, | |
50842bdc | 689 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
690 | goto invalid; |
691 | } | |
692 | ||
50842bdc | 693 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
694 | BT_LOGW("Invalid packet header field type: `magic` field must be an unsigned integer field type: " |
695 | "magic-ft-addr=%p", field_type); | |
696 | goto invalid; | |
697 | } | |
698 | ||
50842bdc | 699 | if (bt_field_type_integer_get_size(field_type) != 32) { |
e011d2c1 PP |
700 | BT_LOGW("Invalid packet header field type: `magic` field must be a 32-bit unsigned integer field type: " |
701 | "magic-ft-addr=%p, magic-ft-size=%u", | |
702 | field_type, | |
50842bdc | 703 | bt_field_type_integer_get_size(field_type)); |
e011d2c1 PP |
704 | goto invalid; |
705 | } | |
706 | ||
50842bdc | 707 | ret = bt_field_type_structure_get_field_by_index( |
e011d2c1 PP |
708 | packet_header_type, &field_name, NULL, 0); |
709 | assert(ret == 0); | |
710 | ||
711 | if (strcmp(field_name, "magic") != 0) { | |
712 | BT_LOGW("Invalid packet header field type: `magic` field must be the first field: " | |
713 | "magic-ft-addr=%p, first-field-name=\"%s\"", | |
714 | field_type, field_name); | |
715 | goto invalid; | |
716 | } | |
717 | ||
718 | BT_PUT(field_type); | |
719 | } | |
720 | ||
721 | /* | |
722 | * If there's a `uuid` field, it must be an array field type of | |
723 | * length 16 with an 8-bit unsigned integer element field type. | |
724 | */ | |
50842bdc | 725 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
726 | packet_header_type, "uuid"); |
727 | if (field_type) { | |
50842bdc | 728 | struct bt_field_type *elem_ft; |
e011d2c1 | 729 | |
50842bdc | 730 | if (!bt_field_type_is_array(field_type)) { |
e011d2c1 PP |
731 | BT_LOGW("Invalid packet header field type: `uuid` field must be an array field type: " |
732 | "uuid-ft-addr=%p, uuid-ft-id=%s", | |
733 | field_type, | |
50842bdc | 734 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
735 | goto invalid; |
736 | } | |
737 | ||
50842bdc | 738 | if (bt_field_type_array_get_length(field_type) != 16) { |
e011d2c1 PP |
739 | BT_LOGW("Invalid packet header field type: `uuid` array field type's length must be 16: " |
740 | "uuid-ft-addr=%p, uuid-ft-length=%" PRId64, | |
741 | field_type, | |
50842bdc | 742 | bt_field_type_array_get_length(field_type)); |
e011d2c1 PP |
743 | goto invalid; |
744 | } | |
745 | ||
50842bdc | 746 | elem_ft = bt_field_type_array_get_element_type(field_type); |
e011d2c1 PP |
747 | assert(elem_ft); |
748 | ||
50842bdc | 749 | if (!bt_field_type_is_integer(elem_ft)) { |
e011d2c1 PP |
750 | BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an integer field type: " |
751 | "elem-ft-addr=%p, elem-ft-id=%s", | |
752 | elem_ft, | |
50842bdc | 753 | bt_field_type_id_string(elem_ft->id)); |
e011d2c1 PP |
754 | bt_put(elem_ft); |
755 | goto invalid; | |
756 | } | |
757 | ||
50842bdc | 758 | if (bt_field_type_integer_is_signed(elem_ft)) { |
e011d2c1 PP |
759 | BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an unsigned integer field type: " |
760 | "elem-ft-addr=%p", elem_ft); | |
761 | bt_put(elem_ft); | |
762 | goto invalid; | |
763 | } | |
764 | ||
50842bdc | 765 | if (bt_field_type_integer_get_size(elem_ft) != 8) { |
e011d2c1 PP |
766 | BT_LOGW("Invalid packet header field type: `uuid` field's element field type must be an 8-bit unsigned integer field type: " |
767 | "elem-ft-addr=%p, elem-ft-size=%u", | |
768 | elem_ft, | |
50842bdc | 769 | bt_field_type_integer_get_size(elem_ft)); |
e011d2c1 PP |
770 | bt_put(elem_ft); |
771 | goto invalid; | |
772 | } | |
773 | ||
774 | bt_put(elem_ft); | |
775 | BT_PUT(field_type); | |
776 | } | |
777 | ||
778 | /* | |
779 | * The `stream_id` field must exist if there's more than one | |
780 | * stream classes in the trace. | |
781 | */ | |
50842bdc | 782 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
783 | packet_header_type, "stream_id"); |
784 | ||
785 | if (!field_type && trace->stream_classes->len >= 1) { | |
786 | BT_LOGW_STR("Invalid packet header field type: " | |
787 | "`stream_id` field does not exist but there's more than one stream class in the trace."); | |
788 | goto invalid; | |
789 | } | |
790 | ||
791 | /* | |
792 | * If there's a `stream_id` field, it must be an unsigned | |
793 | * integer field type. | |
794 | */ | |
795 | if (field_type) { | |
50842bdc | 796 | if (!bt_field_type_is_integer(field_type)) { |
e011d2c1 PP |
797 | BT_LOGW("Invalid packet header field type: `stream_id` field must be an integer field type: " |
798 | "stream-id-ft-addr=%p, stream-id-ft-id=%s", | |
799 | field_type, | |
50842bdc | 800 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
801 | goto invalid; |
802 | } | |
803 | ||
50842bdc | 804 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
805 | BT_LOGW("Invalid packet header field type: `stream_id` field must be an unsigned integer field type: " |
806 | "stream-id-ft-addr=%p", field_type); | |
807 | goto invalid; | |
808 | } | |
809 | ||
810 | BT_PUT(field_type); | |
811 | } | |
812 | ||
708ab211 PP |
813 | /* |
814 | * If there's a `packet_seq_num` field, it must be an unsigned | |
815 | * integer field type. | |
816 | */ | |
50842bdc | 817 | field_type = bt_field_type_structure_get_field_type_by_name( |
708ab211 PP |
818 | packet_header_type, "packet_seq_num"); |
819 | if (field_type) { | |
50842bdc | 820 | if (!bt_field_type_is_integer(field_type)) { |
708ab211 PP |
821 | BT_LOGW("Invalid packet header field type: `packet_seq_num` field must be an integer field type: " |
822 | "stream-id-ft-addr=%p, packet-seq-num-ft-id=%s", | |
823 | field_type, | |
50842bdc | 824 | bt_field_type_id_string(field_type->id)); |
708ab211 PP |
825 | goto invalid; |
826 | } | |
827 | ||
50842bdc | 828 | if (bt_field_type_integer_is_signed(field_type)) { |
708ab211 PP |
829 | BT_LOGW("Invalid packet header field type: `packet_seq_num` field must be an unsigned integer field type: " |
830 | "packet-seq-num-ft-addr=%p", field_type); | |
831 | goto invalid; | |
832 | } | |
833 | ||
834 | BT_PUT(field_type); | |
835 | } | |
836 | ||
e011d2c1 PP |
837 | goto end; |
838 | ||
839 | invalid: | |
840 | is_valid = false; | |
841 | ||
842 | end: | |
843 | bt_put(field_type); | |
844 | return is_valid; | |
845 | } | |
846 | ||
847 | static | |
50842bdc PP |
848 | bool packet_context_field_type_is_valid(struct bt_trace *trace, |
849 | struct bt_stream_class *stream_class, | |
850 | struct bt_field_type *packet_context_type) | |
e011d2c1 PP |
851 | { |
852 | bool is_valid = true; | |
50842bdc | 853 | struct bt_field_type *field_type = NULL; |
e011d2c1 PP |
854 | |
855 | if (!packet_context_type) { | |
856 | /* No packet context field type: valid at this point */ | |
857 | goto end; | |
858 | } | |
859 | ||
860 | /* Packet context field type, if it exists, must be a structure */ | |
50842bdc | 861 | if (!bt_field_type_is_structure(packet_context_type)) { |
e011d2c1 PP |
862 | BT_LOGW("Invalid packet context field type: must be a structure field type if it exists: " |
863 | "ft-addr=%p, ft-id=%s", | |
864 | packet_context_type, | |
50842bdc | 865 | bt_field_type_id_string(packet_context_type->id)); |
e011d2c1 PP |
866 | goto invalid; |
867 | } | |
868 | ||
869 | /* | |
870 | * If there's a `packet_size` field, it must be an unsigned | |
871 | * integer field type. | |
872 | */ | |
50842bdc | 873 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
874 | packet_context_type, "packet_size"); |
875 | if (field_type) { | |
50842bdc | 876 | if (!bt_field_type_is_integer(field_type)) { |
e011d2c1 PP |
877 | BT_LOGW("Invalid packet context field type: `packet_size` field must be an integer field type: " |
878 | "packet-size-ft-addr=%p, packet-size-ft-id=%s", | |
879 | field_type, | |
50842bdc | 880 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
881 | goto invalid; |
882 | } | |
883 | ||
50842bdc | 884 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
885 | BT_LOGW("Invalid packet context field type: `packet_size` field must be an unsigned integer field type: " |
886 | "packet-size-ft-addr=%p", field_type); | |
887 | goto invalid; | |
888 | } | |
889 | ||
890 | BT_PUT(field_type); | |
891 | } | |
892 | ||
893 | /* | |
894 | * If there's a `content_size` field, it must be an unsigned | |
895 | * integer field type. | |
896 | */ | |
50842bdc | 897 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
898 | packet_context_type, "content_size"); |
899 | if (field_type) { | |
50842bdc | 900 | if (!bt_field_type_is_integer(field_type)) { |
e011d2c1 PP |
901 | BT_LOGW("Invalid packet context field type: `content_size` field must be an integer field type: " |
902 | "content-size-ft-addr=%p, content-size-ft-id=%s", | |
903 | field_type, | |
50842bdc | 904 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
905 | goto invalid; |
906 | } | |
907 | ||
50842bdc | 908 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
909 | BT_LOGW("Invalid packet context field type: `content_size` field must be an unsigned integer field type: " |
910 | "content-size-ft-addr=%p", field_type); | |
911 | goto invalid; | |
912 | } | |
913 | ||
914 | BT_PUT(field_type); | |
915 | } | |
916 | ||
917 | /* | |
918 | * If there's a `events_discarded` field, it must be an unsigned | |
919 | * integer field type. | |
920 | */ | |
50842bdc | 921 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
922 | packet_context_type, "events_discarded"); |
923 | if (field_type) { | |
50842bdc | 924 | if (!bt_field_type_is_integer(field_type)) { |
e011d2c1 PP |
925 | BT_LOGW("Invalid packet context field type: `events_discarded` field must be an integer field type: " |
926 | "events-discarded-ft-addr=%p, events-discarded-ft-id=%s", | |
927 | field_type, | |
50842bdc | 928 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
929 | goto invalid; |
930 | } | |
931 | ||
50842bdc | 932 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
933 | BT_LOGW("Invalid packet context field type: `events_discarded` field must be an unsigned integer field type: " |
934 | "events-discarded-ft-addr=%p", field_type); | |
935 | goto invalid; | |
936 | } | |
937 | ||
938 | BT_PUT(field_type); | |
939 | } | |
940 | ||
941 | /* | |
942 | * If there's a `timestamp_begin` field, it must be an unsigned | |
943 | * integer field type. Also, if the trace is not a CTF writer's | |
944 | * trace, then we cannot automatically set the mapped clock | |
945 | * class of this field, so it must have a mapped clock class. | |
946 | */ | |
50842bdc | 947 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
948 | packet_context_type, "timestamp_begin"); |
949 | if (field_type) { | |
50842bdc | 950 | if (!bt_field_type_is_integer(field_type)) { |
e011d2c1 PP |
951 | BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be an integer field type: " |
952 | "timestamp-begin-ft-addr=%p, timestamp-begin-ft-id=%s", | |
953 | field_type, | |
50842bdc | 954 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
955 | goto invalid; |
956 | } | |
957 | ||
50842bdc | 958 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
959 | BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be an unsigned integer field type: " |
960 | "timestamp-begin-ft-addr=%p", field_type); | |
961 | goto invalid; | |
962 | } | |
963 | ||
964 | if (!trace->is_created_by_writer) { | |
50842bdc PP |
965 | struct bt_clock_class *clock_class = |
966 | bt_field_type_integer_get_mapped_clock_class( | |
e011d2c1 PP |
967 | field_type); |
968 | ||
969 | bt_put(clock_class); | |
970 | if (!clock_class) { | |
971 | BT_LOGW("Invalid packet context field type: `timestamp_begin` field must be mapped to a clock class: " | |
972 | "timestamp-begin-ft-addr=%p", field_type); | |
973 | goto invalid; | |
974 | } | |
975 | } | |
976 | ||
977 | BT_PUT(field_type); | |
978 | } | |
979 | ||
980 | /* | |
981 | * If there's a `timestamp_end` field, it must be an unsigned | |
982 | * integer field type. Also, if the trace is not a CTF writer's | |
983 | * trace, then we cannot automatically set the mapped clock | |
984 | * class of this field, so it must have a mapped clock class. | |
985 | */ | |
50842bdc | 986 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
987 | packet_context_type, "timestamp_end"); |
988 | if (field_type) { | |
50842bdc | 989 | if (!bt_field_type_is_integer(field_type)) { |
e011d2c1 PP |
990 | BT_LOGW("Invalid packet context field type: `timestamp_end` field must be an integer field type: " |
991 | "timestamp-end-ft-addr=%p, timestamp-end-ft-id=%s", | |
992 | field_type, | |
50842bdc | 993 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
994 | goto invalid; |
995 | } | |
996 | ||
50842bdc | 997 | if (bt_field_type_integer_is_signed(field_type)) { |
e011d2c1 PP |
998 | BT_LOGW("Invalid packet context field type: `timestamp_end` field must be an unsigned integer field type: " |
999 | "timestamp-end-ft-addr=%p", field_type); | |
1000 | goto invalid; | |
1001 | } | |
1002 | ||
1003 | if (!trace->is_created_by_writer) { | |
50842bdc PP |
1004 | struct bt_clock_class *clock_class = |
1005 | bt_field_type_integer_get_mapped_clock_class( | |
e011d2c1 PP |
1006 | field_type); |
1007 | ||
1008 | bt_put(clock_class); | |
1009 | if (!clock_class) { | |
1010 | BT_LOGW("Invalid packet context field type: `timestamp_end` field must be mapped to a clock class: " | |
1011 | "timestamp-end-ft-addr=%p", field_type); | |
1012 | goto invalid; | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | BT_PUT(field_type); | |
1017 | } | |
1018 | ||
1019 | goto end; | |
1020 | ||
1021 | invalid: | |
1022 | is_valid = false; | |
1023 | ||
1024 | end: | |
1025 | bt_put(field_type); | |
1026 | return is_valid; | |
1027 | } | |
1028 | ||
1029 | static | |
50842bdc PP |
1030 | bool event_header_field_type_is_valid(struct bt_trace *trace, |
1031 | struct bt_stream_class *stream_class, | |
1032 | struct bt_field_type *event_header_type) | |
e011d2c1 PP |
1033 | { |
1034 | bool is_valid = true; | |
50842bdc | 1035 | struct bt_field_type *field_type = NULL; |
e011d2c1 PP |
1036 | |
1037 | /* | |
1038 | * We do not validate that the `timestamp` field exists here | |
1039 | * because CTF does not require this exact name to be mapped to | |
1040 | * a clock class. | |
1041 | */ | |
1042 | ||
1043 | if (!event_header_type) { | |
1044 | /* | |
1045 | * No event header field type: stream class must have | |
1046 | * only one event class. | |
1047 | */ | |
50842bdc | 1048 | if (bt_stream_class_get_event_class_count(stream_class) > 1) { |
e011d2c1 PP |
1049 | BT_LOGW_STR("Invalid event header field type: " |
1050 | "event header field type does not exist but there's more than one event class in the stream class."); | |
1051 | goto invalid; | |
1052 | } | |
1053 | ||
1054 | /* No event header field type: valid at this point */ | |
1055 | goto end; | |
1056 | } | |
1057 | ||
1058 | /* Event header field type, if it exists, must be a structure */ | |
50842bdc | 1059 | if (!bt_field_type_is_structure(event_header_type)) { |
e011d2c1 PP |
1060 | BT_LOGW("Invalid event header field type: must be a structure field type if it exists: " |
1061 | "ft-addr=%p, ft-id=%s", | |
1062 | event_header_type, | |
50842bdc | 1063 | bt_field_type_id_string(event_header_type->id)); |
e011d2c1 PP |
1064 | goto invalid; |
1065 | } | |
1066 | ||
1067 | /* | |
1068 | * If there's an `id` field, it must be an unsigned integer | |
1069 | * field type or an enumeration field type with an unsigned | |
1070 | * integer container field type. | |
1071 | */ | |
50842bdc | 1072 | field_type = bt_field_type_structure_get_field_type_by_name( |
e011d2c1 PP |
1073 | event_header_type, "id"); |
1074 | if (field_type) { | |
50842bdc | 1075 | struct bt_field_type *int_ft; |
e011d2c1 | 1076 | |
50842bdc | 1077 | if (bt_field_type_is_integer(field_type)) { |
e011d2c1 | 1078 | int_ft = bt_get(field_type); |
50842bdc PP |
1079 | } else if (bt_field_type_is_enumeration(field_type)) { |
1080 | int_ft = bt_field_type_enumeration_get_container_type( | |
e011d2c1 PP |
1081 | field_type); |
1082 | } else { | |
1083 | BT_LOGW("Invalid event header field type: `id` field must be an integer or enumeration field type: " | |
1084 | "id-ft-addr=%p, id-ft-id=%s", | |
1085 | field_type, | |
50842bdc | 1086 | bt_field_type_id_string(field_type->id)); |
e011d2c1 PP |
1087 | goto invalid; |
1088 | } | |
1089 | ||
1090 | assert(int_ft); | |
50842bdc | 1091 | if (bt_field_type_integer_is_signed(int_ft)) { |
e011d2c1 PP |
1092 | BT_LOGW("Invalid event header field type: `id` field must be an unsigned integer or enumeration field type: " |
1093 | "id-ft-addr=%p", int_ft); | |
1094 | goto invalid; | |
1095 | } | |
1096 | ||
1097 | bt_put(int_ft); | |
1098 | BT_PUT(field_type); | |
1099 | } | |
1100 | ||
1101 | goto end; | |
1102 | ||
1103 | invalid: | |
1104 | is_valid = false; | |
1105 | ||
1106 | end: | |
1107 | bt_put(field_type); | |
1108 | return is_valid; | |
1109 | } | |
1110 | ||
50842bdc PP |
1111 | int bt_trace_add_stream_class(struct bt_trace *trace, |
1112 | struct bt_stream_class *stream_class) | |
ef0c4a15 | 1113 | { |
544d0515 PP |
1114 | int ret; |
1115 | int64_t i; | |
ef0c4a15 | 1116 | int64_t stream_id; |
50842bdc PP |
1117 | struct bt_validation_output trace_sc_validation_output = { 0 }; |
1118 | struct bt_validation_output *ec_validation_outputs = NULL; | |
1119 | const enum bt_validation_flag trace_sc_validation_flags = | |
1120 | BT_VALIDATION_FLAG_TRACE | | |
1121 | BT_VALIDATION_FLAG_STREAM; | |
1122 | const enum bt_validation_flag ec_validation_flags = | |
1123 | BT_VALIDATION_FLAG_EVENT; | |
1124 | struct bt_field_type *packet_header_type = NULL; | |
1125 | struct bt_field_type *packet_context_type = NULL; | |
1126 | struct bt_field_type *event_header_type = NULL; | |
1127 | struct bt_field_type *stream_event_ctx_type = NULL; | |
544d0515 | 1128 | int64_t event_class_count; |
50842bdc | 1129 | struct bt_trace *current_parent_trace = NULL; |
ef0c4a15 | 1130 | |
95c09b3a PP |
1131 | if (!trace) { |
1132 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1133 | ret = -1; | |
1134 | goto end; | |
1135 | } | |
1136 | ||
1137 | if (!stream_class) { | |
1138 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
1139 | ret = -1; | |
1140 | goto end; | |
1141 | } | |
1142 | ||
1143 | if (trace->is_static) { | |
1144 | BT_LOGW_STR("Invalid parameter: trace is static."); | |
ef0c4a15 JG |
1145 | ret = -1; |
1146 | goto end; | |
1147 | } | |
1148 | ||
95c09b3a PP |
1149 | BT_LOGD("Adding stream class to trace: " |
1150 | "trace-addr=%p, trace-name=\"%s\", " | |
1151 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
1152 | "stream-class-id=%" PRId64, | |
50842bdc PP |
1153 | trace, bt_trace_get_name(trace), |
1154 | stream_class, bt_stream_class_get_name(stream_class), | |
1155 | bt_stream_class_get_id(stream_class)); | |
95c09b3a | 1156 | |
50842bdc | 1157 | current_parent_trace = bt_stream_class_get_trace(stream_class); |
2789e5d9 JG |
1158 | if (current_parent_trace) { |
1159 | /* Stream class is already associated to a trace, abort. */ | |
95c09b3a PP |
1160 | BT_LOGW("Invalid parameter: stream class is already part of a trace: " |
1161 | "stream-class-trace-addr=%p, " | |
1162 | "stream-class-trace-name=\"%s\"", | |
1163 | current_parent_trace, | |
50842bdc | 1164 | bt_trace_get_name(current_parent_trace)); |
2789e5d9 JG |
1165 | ret = -1; |
1166 | goto end; | |
1167 | } | |
1168 | ||
09840de5 | 1169 | event_class_count = |
50842bdc | 1170 | bt_stream_class_get_event_class_count(stream_class); |
09840de5 PP |
1171 | assert(event_class_count >= 0); |
1172 | ||
fe13b5c0 | 1173 | if (stream_class->clock) { |
50842bdc | 1174 | struct bt_clock_class *stream_clock_class = |
ac0c6bdd PP |
1175 | stream_class->clock->clock_class; |
1176 | ||
1177 | if (trace->is_created_by_writer) { | |
1178 | /* | |
1179 | * Make sure this clock was also added to the | |
1180 | * trace (potentially through its CTF writer | |
1181 | * owner). | |
1182 | */ | |
1183 | size_t i; | |
1184 | ||
1185 | for (i = 0; i < trace->clocks->len; i++) { | |
1186 | if (trace->clocks->pdata[i] == | |
1187 | stream_clock_class) { | |
1188 | /* Found! */ | |
1189 | break; | |
1190 | } | |
1191 | } | |
1192 | ||
1193 | if (i == trace->clocks->len) { | |
1194 | /* Not found */ | |
95c09b3a PP |
1195 | BT_LOGW("Stream class's clock's class is not part of the trace: " |
1196 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
1197 | stream_clock_class, | |
50842bdc | 1198 | bt_clock_class_get_name(stream_clock_class)); |
fe13b5c0 PP |
1199 | ret = -1; |
1200 | goto end; | |
1201 | } | |
1202 | } else { | |
ac0c6bdd PP |
1203 | /* |
1204 | * This trace was NOT created by a CTF writer, | |
1205 | * thus do not allow the stream class to add to | |
1206 | * have a clock at all. Those are two | |
1207 | * independent APIs (non-writer and writer | |
1208 | * APIs), and isolating them simplifies things. | |
1209 | */ | |
95c09b3a PP |
1210 | BT_LOGW("Cannot add stream class with a clock to a trace which was not created by a CTF writer object: " |
1211 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
1212 | stream_clock_class, | |
50842bdc | 1213 | bt_clock_class_get_name(stream_clock_class)); |
ac0c6bdd PP |
1214 | ret = -1; |
1215 | goto end; | |
fe13b5c0 PP |
1216 | } |
1217 | } | |
1218 | ||
09840de5 PP |
1219 | /* |
1220 | * We're about to freeze both the trace and the stream class. | |
1221 | * Also, each event class contained in this stream class are | |
1222 | * already frozen. | |
1223 | * | |
1224 | * This trace, this stream class, and all its event classes | |
1225 | * should be valid at this point. | |
1226 | * | |
1227 | * Validate trace and stream class first, then each event | |
1228 | * class of this stream class can be validated individually. | |
1229 | */ | |
1230 | packet_header_type = | |
50842bdc | 1231 | bt_trace_get_packet_header_type(trace); |
09840de5 | 1232 | packet_context_type = |
50842bdc | 1233 | bt_stream_class_get_packet_context_type(stream_class); |
09840de5 | 1234 | event_header_type = |
50842bdc | 1235 | bt_stream_class_get_event_header_type(stream_class); |
09840de5 | 1236 | stream_event_ctx_type = |
50842bdc | 1237 | bt_stream_class_get_event_context_type(stream_class); |
95c09b3a PP |
1238 | |
1239 | BT_LOGD("Validating trace and stream class field types."); | |
50842bdc | 1240 | ret = bt_validate_class_types(trace->environment, |
09840de5 PP |
1241 | packet_header_type, packet_context_type, event_header_type, |
1242 | stream_event_ctx_type, NULL, NULL, trace->valid, | |
1243 | stream_class->valid, 1, &trace_sc_validation_output, | |
1244 | trace_sc_validation_flags); | |
1245 | BT_PUT(packet_header_type); | |
1246 | BT_PUT(packet_context_type); | |
1247 | BT_PUT(event_header_type); | |
1248 | BT_PUT(stream_event_ctx_type); | |
1249 | ||
2bd7f864 | 1250 | if (ret) { |
09840de5 PP |
1251 | /* |
1252 | * This means something went wrong during the validation | |
1253 | * process, not that the objects are invalid. | |
1254 | */ | |
95c09b3a PP |
1255 | BT_LOGE("Failed to validate trace and stream class field types: " |
1256 | "ret=%d", ret); | |
2bd7f864 JG |
1257 | goto end; |
1258 | } | |
1259 | ||
09840de5 PP |
1260 | if ((trace_sc_validation_output.valid_flags & |
1261 | trace_sc_validation_flags) != | |
1262 | trace_sc_validation_flags) { | |
1263 | /* Invalid trace/stream class */ | |
95c09b3a PP |
1264 | BT_LOGW("Invalid trace or stream class field types: " |
1265 | "valid-flags=0x%x", | |
1266 | trace_sc_validation_output.valid_flags); | |
09840de5 PP |
1267 | ret = -1; |
1268 | goto end; | |
1269 | } | |
1270 | ||
1271 | if (event_class_count > 0) { | |
50842bdc | 1272 | ec_validation_outputs = g_new0(struct bt_validation_output, |
09840de5 PP |
1273 | event_class_count); |
1274 | if (!ec_validation_outputs) { | |
95c09b3a | 1275 | BT_LOGE_STR("Failed to allocate one validation output structure."); |
09840de5 PP |
1276 | ret = -1; |
1277 | goto end; | |
1278 | } | |
1279 | } | |
1280 | ||
1281 | /* Validate each event class individually */ | |
6474e016 | 1282 | for (i = 0; i < event_class_count; i++) { |
50842bdc PP |
1283 | struct bt_event_class *event_class = |
1284 | bt_stream_class_get_event_class_by_index( | |
9ac68eb1 | 1285 | stream_class, i); |
50842bdc PP |
1286 | struct bt_field_type *event_context_type = NULL; |
1287 | struct bt_field_type *event_payload_type = NULL; | |
09840de5 PP |
1288 | |
1289 | event_context_type = | |
50842bdc | 1290 | bt_event_class_get_context_type(event_class); |
09840de5 | 1291 | event_payload_type = |
50842bdc | 1292 | bt_event_class_get_payload_type(event_class); |
09840de5 PP |
1293 | |
1294 | /* | |
1295 | * It is important to use the field types returned by | |
1296 | * the previous trace and stream class validation here | |
1297 | * because copies could have been made. | |
1298 | */ | |
95c09b3a PP |
1299 | BT_LOGD("Validating event class's field types: " |
1300 | "addr=%p, name=\"%s\", id=%" PRId64, | |
50842bdc PP |
1301 | event_class, bt_event_class_get_name(event_class), |
1302 | bt_event_class_get_id(event_class)); | |
1303 | ret = bt_validate_class_types(trace->environment, | |
09840de5 PP |
1304 | trace_sc_validation_output.packet_header_type, |
1305 | trace_sc_validation_output.packet_context_type, | |
1306 | trace_sc_validation_output.event_header_type, | |
1307 | trace_sc_validation_output.stream_event_ctx_type, | |
1308 | event_context_type, event_payload_type, | |
1309 | 1, 1, event_class->valid, &ec_validation_outputs[i], | |
1310 | ec_validation_flags); | |
1311 | BT_PUT(event_context_type); | |
1312 | BT_PUT(event_payload_type); | |
1313 | BT_PUT(event_class); | |
1314 | ||
1315 | if (ret) { | |
95c09b3a PP |
1316 | BT_LOGE("Failed to validate event class field types: " |
1317 | "ret=%d", ret); | |
09840de5 PP |
1318 | goto end; |
1319 | } | |
1320 | ||
1321 | if ((ec_validation_outputs[i].valid_flags & | |
1322 | ec_validation_flags) != ec_validation_flags) { | |
1323 | /* Invalid event class */ | |
95c09b3a PP |
1324 | BT_LOGW("Invalid event class field types: " |
1325 | "valid-flags=0x%x", | |
1326 | ec_validation_outputs[i].valid_flags); | |
09840de5 PP |
1327 | ret = -1; |
1328 | goto end; | |
1329 | } | |
1330 | } | |
1331 | ||
50842bdc | 1332 | stream_id = bt_stream_class_get_id(stream_class); |
ef0c4a15 JG |
1333 | if (stream_id < 0) { |
1334 | stream_id = trace->next_stream_id++; | |
9ac68eb1 | 1335 | if (stream_id < 0) { |
95c09b3a | 1336 | BT_LOGE_STR("No more stream class IDs available."); |
9ac68eb1 PP |
1337 | ret = -1; |
1338 | goto end; | |
1339 | } | |
ef0c4a15 JG |
1340 | |
1341 | /* Try to assign a new stream id */ | |
1342 | for (i = 0; i < trace->stream_classes->len; i++) { | |
50842bdc | 1343 | if (stream_id == bt_stream_class_get_id( |
ef0c4a15 JG |
1344 | trace->stream_classes->pdata[i])) { |
1345 | /* Duplicate stream id found */ | |
95c09b3a PP |
1346 | BT_LOGW("Duplicate stream class ID: " |
1347 | "id=%" PRId64, (int64_t) stream_id); | |
ef0c4a15 JG |
1348 | ret = -1; |
1349 | goto end; | |
1350 | } | |
1351 | } | |
1352 | ||
50842bdc | 1353 | if (bt_stream_class_set_id_no_check(stream_class, |
95c09b3a | 1354 | stream_id)) { |
ef0c4a15 | 1355 | /* TODO Should retry with a different stream id */ |
95c09b3a PP |
1356 | BT_LOGE("Cannot set stream class's ID: " |
1357 | "id=%" PRId64, (int64_t) stream_id); | |
ef0c4a15 JG |
1358 | ret = -1; |
1359 | goto end; | |
1360 | } | |
1361 | } | |
1362 | ||
e011d2c1 PP |
1363 | /* |
1364 | * At this point all the field types in the validation output | |
1365 | * are valid. Validate the semantics of some scopes according to | |
1366 | * the CTF specification. | |
1367 | */ | |
1368 | if (!packet_header_field_type_is_valid(trace, | |
1369 | trace_sc_validation_output.packet_header_type)) { | |
95c09b3a | 1370 | BT_LOGW_STR("Invalid trace's packet header field type."); |
e011d2c1 PP |
1371 | ret = -1; |
1372 | goto end; | |
1373 | } | |
1374 | ||
1375 | if (!packet_context_field_type_is_valid(trace, | |
1376 | stream_class, | |
1377 | trace_sc_validation_output.packet_context_type)) { | |
95c09b3a | 1378 | BT_LOGW_STR("Invalid stream class's packet context field type."); |
e011d2c1 PP |
1379 | ret = -1; |
1380 | goto end; | |
1381 | } | |
1382 | ||
1383 | if (!event_header_field_type_is_valid(trace, | |
1384 | stream_class, | |
1385 | trace_sc_validation_output.event_header_type)) { | |
95c09b3a | 1386 | BT_LOGW_STR("Invalid steam class's event header field type."); |
e011d2c1 PP |
1387 | ret = -1; |
1388 | goto end; | |
1389 | } | |
1390 | ||
1391 | /* | |
1392 | * Now is the time to automatically map specific field types of | |
1393 | * the stream class's packet context and event header field | |
1394 | * types to the stream class's clock's class if they are not | |
1395 | * mapped to a clock class yet. We do it here because we know | |
1396 | * that after this point, everything is frozen so it won't be | |
1397 | * possible for the user to modify the stream class's clock, or | |
1398 | * to map those field types to other clock classes. | |
1399 | */ | |
1400 | if (trace->is_created_by_writer) { | |
50842bdc | 1401 | if (bt_stream_class_map_clock_class(stream_class, |
e011d2c1 PP |
1402 | trace_sc_validation_output.packet_context_type, |
1403 | trace_sc_validation_output.event_header_type)) { | |
95c09b3a | 1404 | BT_LOGW_STR("Cannot automatically map selected stream class's field types to stream class's clock's class."); |
e011d2c1 PP |
1405 | ret = -1; |
1406 | goto end; | |
1407 | } | |
1408 | } | |
1409 | ||
e6a8e8e4 | 1410 | bt_object_set_parent(stream_class, trace); |
ef0c4a15 JG |
1411 | g_ptr_array_add(trace->stream_classes, stream_class); |
1412 | ||
1413 | /* | |
09840de5 PP |
1414 | * At this point we know that the function will be successful. |
1415 | * Therefore we can replace the trace and stream class field | |
1416 | * types with what's in their validation output structure and | |
1417 | * mark them as valid. We can also replace the field types of | |
1418 | * all the event classes of the stream class and mark them as | |
1419 | * valid. | |
1420 | */ | |
50842bdc | 1421 | bt_validation_replace_types(trace, stream_class, NULL, |
09840de5 PP |
1422 | &trace_sc_validation_output, trace_sc_validation_flags); |
1423 | trace->valid = 1; | |
1424 | stream_class->valid = 1; | |
1425 | ||
1426 | /* | |
50842bdc | 1427 | * Put what was not moved in bt_validation_replace_types(). |
09840de5 | 1428 | */ |
50842bdc | 1429 | bt_validation_output_put_types(&trace_sc_validation_output); |
09840de5 | 1430 | |
6474e016 | 1431 | for (i = 0; i < event_class_count; i++) { |
50842bdc PP |
1432 | struct bt_event_class *event_class = |
1433 | bt_stream_class_get_event_class_by_index( | |
9ac68eb1 | 1434 | stream_class, i); |
09840de5 | 1435 | |
50842bdc | 1436 | bt_validation_replace_types(NULL, NULL, event_class, |
09840de5 PP |
1437 | &ec_validation_outputs[i], ec_validation_flags); |
1438 | event_class->valid = 1; | |
1439 | BT_PUT(event_class); | |
1440 | ||
1441 | /* | |
1442 | * Put what was not moved in | |
50842bdc | 1443 | * bt_validation_replace_types(). |
09840de5 | 1444 | */ |
50842bdc | 1445 | bt_validation_output_put_types(&ec_validation_outputs[i]); |
09840de5 PP |
1446 | } |
1447 | ||
09840de5 PP |
1448 | /* |
1449 | * Freeze the trace and the stream class. | |
1450 | */ | |
50842bdc PP |
1451 | bt_stream_class_freeze(stream_class); |
1452 | bt_trace_freeze(trace); | |
09840de5 | 1453 | |
9b888ff3 | 1454 | /* Notifiy listeners of the trace's schema modification. */ |
50842bdc PP |
1455 | bt_stream_class_visit(stream_class, |
1456 | bt_trace_object_modification, trace); | |
95c09b3a PP |
1457 | BT_LOGD("Added stream class to trace: " |
1458 | "trace-addr=%p, trace-name=\"%s\", " | |
1459 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
1460 | "stream-class-id=%" PRId64, | |
50842bdc PP |
1461 | trace, bt_trace_get_name(trace), |
1462 | stream_class, bt_stream_class_get_name(stream_class), | |
1463 | bt_stream_class_get_id(stream_class)); | |
95c09b3a | 1464 | |
ef0c4a15 | 1465 | end: |
d3814b54 | 1466 | if (ret) { |
e6a8e8e4 | 1467 | bt_object_set_parent(stream_class, NULL); |
09840de5 PP |
1468 | |
1469 | if (ec_validation_outputs) { | |
6474e016 | 1470 | for (i = 0; i < event_class_count; i++) { |
50842bdc | 1471 | bt_validation_output_put_types( |
09840de5 PP |
1472 | &ec_validation_outputs[i]); |
1473 | } | |
1474 | } | |
d3814b54 | 1475 | } |
09840de5 PP |
1476 | |
1477 | g_free(ec_validation_outputs); | |
50842bdc | 1478 | bt_validation_output_put_types(&trace_sc_validation_output); |
2789e5d9 | 1479 | bt_put(current_parent_trace); |
09840de5 PP |
1480 | assert(!packet_header_type); |
1481 | assert(!packet_context_type); | |
1482 | assert(!event_header_type); | |
1483 | assert(!stream_event_ctx_type); | |
ef0c4a15 JG |
1484 | return ret; |
1485 | } | |
1486 | ||
50842bdc | 1487 | int64_t bt_trace_get_stream_count(struct bt_trace *trace) |
c1e730fe | 1488 | { |
544d0515 | 1489 | int64_t ret; |
c1e730fe PP |
1490 | |
1491 | if (!trace) { | |
95c09b3a | 1492 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
9ac68eb1 | 1493 | ret = (int64_t) -1; |
c1e730fe PP |
1494 | goto end; |
1495 | } | |
1496 | ||
9ac68eb1 | 1497 | ret = (int64_t) trace->streams->len; |
c1e730fe PP |
1498 | |
1499 | end: | |
1500 | return ret; | |
1501 | } | |
1502 | ||
50842bdc PP |
1503 | struct bt_stream *bt_trace_get_stream_by_index( |
1504 | struct bt_trace *trace, | |
9ac68eb1 | 1505 | uint64_t index) |
c1e730fe | 1506 | { |
50842bdc | 1507 | struct bt_stream *stream = NULL; |
c1e730fe | 1508 | |
95c09b3a PP |
1509 | if (!trace) { |
1510 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1511 | goto end; | |
1512 | } | |
1513 | ||
1514 | if (index >= trace->streams->len) { | |
1515 | BT_LOGW("Invalid parameter: index is out of bounds: " | |
1516 | "addr=%p, name=\"%s\", " | |
1517 | "index=%" PRIu64 ", count=%u", | |
50842bdc | 1518 | trace, bt_trace_get_name(trace), |
95c09b3a | 1519 | index, trace->streams->len); |
c1e730fe PP |
1520 | goto end; |
1521 | } | |
1522 | ||
1523 | stream = bt_get(g_ptr_array_index(trace->streams, index)); | |
1524 | ||
1525 | end: | |
1526 | return stream; | |
1527 | } | |
1528 | ||
50842bdc | 1529 | int64_t bt_trace_get_stream_class_count(struct bt_trace *trace) |
ef0c4a15 | 1530 | { |
544d0515 | 1531 | int64_t ret; |
ef0c4a15 JG |
1532 | |
1533 | if (!trace) { | |
95c09b3a | 1534 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
9ac68eb1 | 1535 | ret = (int64_t) -1; |
ef0c4a15 JG |
1536 | goto end; |
1537 | } | |
1538 | ||
9ac68eb1 | 1539 | ret = (int64_t) trace->stream_classes->len; |
ef0c4a15 JG |
1540 | end: |
1541 | return ret; | |
1542 | } | |
1543 | ||
50842bdc PP |
1544 | struct bt_stream_class *bt_trace_get_stream_class_by_index( |
1545 | struct bt_trace *trace, uint64_t index) | |
ef0c4a15 | 1546 | { |
50842bdc | 1547 | struct bt_stream_class *stream_class = NULL; |
ef0c4a15 | 1548 | |
95c09b3a PP |
1549 | if (!trace) { |
1550 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1551 | goto end; | |
1552 | } | |
1553 | ||
1554 | if (index >= trace->stream_classes->len) { | |
1555 | BT_LOGW("Invalid parameter: index is out of bounds: " | |
1556 | "addr=%p, name=\"%s\", " | |
1557 | "index=%" PRIu64 ", count=%u", | |
50842bdc | 1558 | trace, bt_trace_get_name(trace), |
95c09b3a | 1559 | index, trace->stream_classes->len); |
ef0c4a15 JG |
1560 | goto end; |
1561 | } | |
1562 | ||
1563 | stream_class = g_ptr_array_index(trace->stream_classes, index); | |
83509119 | 1564 | bt_get(stream_class); |
ef0c4a15 JG |
1565 | end: |
1566 | return stream_class; | |
1567 | } | |
1568 | ||
50842bdc PP |
1569 | struct bt_stream_class *bt_trace_get_stream_class_by_id( |
1570 | struct bt_trace *trace, uint64_t id_param) | |
4841ccc1 PP |
1571 | { |
1572 | int i; | |
50842bdc | 1573 | struct bt_stream_class *stream_class = NULL; |
9ac68eb1 | 1574 | int64_t id = (int64_t) id_param; |
4841ccc1 | 1575 | |
95c09b3a PP |
1576 | if (!trace) { |
1577 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1578 | goto end; | |
1579 | } | |
1580 | ||
1581 | if (id < 0) { | |
1582 | BT_LOGW("Invalid parameter: invalid stream class's ID: " | |
1583 | "trace-addr=%p, trace-name=\"%s\", id=%" PRIu64, | |
50842bdc | 1584 | trace, bt_trace_get_name(trace), id_param); |
4841ccc1 PP |
1585 | goto end; |
1586 | } | |
1587 | ||
6474e016 | 1588 | for (i = 0; i < trace->stream_classes->len; i++) { |
50842bdc | 1589 | struct bt_stream_class *stream_class_candidate; |
4841ccc1 PP |
1590 | |
1591 | stream_class_candidate = | |
1592 | g_ptr_array_index(trace->stream_classes, i); | |
1593 | ||
50842bdc | 1594 | if (bt_stream_class_get_id(stream_class_candidate) == |
4841ccc1 PP |
1595 | (int64_t) id) { |
1596 | stream_class = stream_class_candidate; | |
83509119 | 1597 | bt_get(stream_class); |
4841ccc1 PP |
1598 | goto end; |
1599 | } | |
1600 | } | |
1601 | ||
1602 | end: | |
1603 | return stream_class; | |
1604 | } | |
1605 | ||
50842bdc PP |
1606 | struct bt_clock_class *bt_trace_get_clock_class_by_name( |
1607 | struct bt_trace *trace, const char *name) | |
7e4347a3 PP |
1608 | { |
1609 | size_t i; | |
50842bdc | 1610 | struct bt_clock_class *clock_class = NULL; |
7e4347a3 | 1611 | |
95c09b3a PP |
1612 | if (!trace) { |
1613 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1614 | goto end; | |
1615 | } | |
1616 | ||
1617 | if (!name) { | |
1618 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
7e4347a3 PP |
1619 | goto end; |
1620 | } | |
1621 | ||
6474e016 | 1622 | for (i = 0; i < trace->clocks->len; i++) { |
50842bdc | 1623 | struct bt_clock_class *cur_clk = |
7e4347a3 | 1624 | g_ptr_array_index(trace->clocks, i); |
50842bdc | 1625 | const char *cur_clk_name = bt_clock_class_get_name(cur_clk); |
7e4347a3 PP |
1626 | |
1627 | if (!cur_clk_name) { | |
1628 | goto end; | |
1629 | } | |
1630 | ||
1631 | if (!strcmp(cur_clk_name, name)) { | |
ac0c6bdd PP |
1632 | clock_class = cur_clk; |
1633 | bt_get(clock_class); | |
7e4347a3 PP |
1634 | goto end; |
1635 | } | |
1636 | } | |
1637 | ||
1638 | end: | |
ac0c6bdd | 1639 | return clock_class; |
7e4347a3 PP |
1640 | } |
1641 | ||
c9d90a34 | 1642 | BT_HIDDEN |
50842bdc PP |
1643 | bt_bool bt_trace_has_clock_class(struct bt_trace *trace, |
1644 | struct bt_clock_class *clock_class) | |
c9d90a34 PP |
1645 | { |
1646 | struct search_query query = { .value = clock_class, .found = 0 }; | |
1647 | ||
1648 | assert(trace); | |
1649 | assert(clock_class); | |
1650 | ||
1651 | g_ptr_array_foreach(trace->clocks, value_exists, &query); | |
1652 | return query.found; | |
1653 | } | |
1654 | ||
bc37ae52 | 1655 | BT_HIDDEN |
50842bdc | 1656 | const char *get_byte_order_string(enum bt_byte_order byte_order) |
bc37ae52 JG |
1657 | { |
1658 | const char *string; | |
1659 | ||
1660 | switch (byte_order) { | |
50842bdc | 1661 | case BT_BYTE_ORDER_LITTLE_ENDIAN: |
bc37ae52 JG |
1662 | string = "le"; |
1663 | break; | |
50842bdc | 1664 | case BT_BYTE_ORDER_BIG_ENDIAN: |
bc37ae52 JG |
1665 | string = "be"; |
1666 | break; | |
50842bdc | 1667 | case BT_BYTE_ORDER_NATIVE: |
dc3fffef | 1668 | string = "native"; |
bc37ae52 | 1669 | break; |
dc3fffef | 1670 | default: |
0fbb9a9f | 1671 | abort(); |
bc37ae52 JG |
1672 | } |
1673 | ||
1674 | return string; | |
1675 | } | |
1676 | ||
1677 | static | |
50842bdc | 1678 | int append_trace_metadata(struct bt_trace *trace, |
bc37ae52 JG |
1679 | struct metadata_context *context) |
1680 | { | |
1681 | unsigned char *uuid = trace->uuid; | |
e011d2c1 | 1682 | int ret = 0; |
bc37ae52 | 1683 | |
50842bdc PP |
1684 | if (trace->native_byte_order == BT_BYTE_ORDER_NATIVE || |
1685 | trace->native_byte_order == BT_BYTE_ORDER_UNSPECIFIED) { | |
1686 | BT_LOGW("Invalid parameter: trace's byte order cannot be BT_BYTE_ORDER_NATIVE or BT_BYTE_ORDER_UNSPECIFIED at this point; " | |
1687 | "set it with bt_trace_set_native_byte_order(): " | |
95c09b3a | 1688 | "addr=%p, name=\"%s\"", |
50842bdc | 1689 | trace, bt_trace_get_name(trace)); |
4a32fda0 PP |
1690 | ret = -1; |
1691 | goto end; | |
1692 | } | |
bc37ae52 | 1693 | |
4a32fda0 | 1694 | g_string_append(context->string, "trace {\n"); |
bc37ae52 JG |
1695 | g_string_append(context->string, "\tmajor = 1;\n"); |
1696 | g_string_append(context->string, "\tminor = 8;\n"); | |
50842bdc PP |
1697 | assert(trace->native_byte_order == BT_BYTE_ORDER_LITTLE_ENDIAN || |
1698 | trace->native_byte_order == BT_BYTE_ORDER_BIG_ENDIAN || | |
1699 | trace->native_byte_order == BT_BYTE_ORDER_NETWORK); | |
4a32fda0 PP |
1700 | |
1701 | if (trace->uuid_set) { | |
1702 | g_string_append_printf(context->string, | |
1703 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", | |
1704 | uuid[0], uuid[1], uuid[2], uuid[3], | |
1705 | uuid[4], uuid[5], uuid[6], uuid[7], | |
1706 | uuid[8], uuid[9], uuid[10], uuid[11], | |
1707 | uuid[12], uuid[13], uuid[14], uuid[15]); | |
1708 | } | |
1709 | ||
bc37ae52 | 1710 | g_string_append_printf(context->string, "\tbyte_order = %s;\n", |
dc3fffef | 1711 | get_byte_order_string(trace->native_byte_order)); |
bc37ae52 | 1712 | |
e011d2c1 PP |
1713 | if (trace->packet_header_type) { |
1714 | g_string_append(context->string, "\tpacket.header := "); | |
1715 | context->current_indentation_level++; | |
1716 | g_string_assign(context->field_name, ""); | |
95c09b3a | 1717 | BT_LOGD_STR("Serializing trace's packet header field type's metadata."); |
50842bdc | 1718 | ret = bt_field_type_serialize(trace->packet_header_type, |
e011d2c1 PP |
1719 | context); |
1720 | if (ret) { | |
1721 | goto end; | |
1722 | } | |
1723 | context->current_indentation_level--; | |
bc37ae52 | 1724 | } |
bc37ae52 JG |
1725 | |
1726 | g_string_append(context->string, ";\n};\n\n"); | |
1727 | end: | |
1728 | return ret; | |
1729 | } | |
1730 | ||
bc37ae52 | 1731 | static |
50842bdc | 1732 | void append_env_metadata(struct bt_trace *trace, |
bc37ae52 JG |
1733 | struct metadata_context *context) |
1734 | { | |
544d0515 PP |
1735 | int64_t i; |
1736 | int64_t env_size; | |
7f800dc7 | 1737 | |
50842bdc | 1738 | env_size = bt_attributes_get_count(trace->environment); |
7f800dc7 | 1739 | if (env_size <= 0) { |
bc37ae52 JG |
1740 | return; |
1741 | } | |
1742 | ||
1743 | g_string_append(context->string, "env {\n"); | |
7f800dc7 | 1744 | |
6474e016 | 1745 | for (i = 0; i < env_size; i++) { |
dac5c838 | 1746 | struct bt_value *env_field_value_obj = NULL; |
7f800dc7 | 1747 | const char *entry_name; |
7f800dc7 | 1748 | |
50842bdc | 1749 | entry_name = bt_attributes_get_field_name( |
7f800dc7 | 1750 | trace->environment, i); |
50842bdc | 1751 | env_field_value_obj = bt_attributes_get_field_value( |
7f800dc7 PP |
1752 | trace->environment, i); |
1753 | ||
95c09b3a PP |
1754 | assert(entry_name); |
1755 | assert(env_field_value_obj); | |
7f800dc7 | 1756 | |
dac5c838 PP |
1757 | switch (bt_value_get_type(env_field_value_obj)) { |
1758 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
1759 | { |
1760 | int ret; | |
1761 | int64_t int_value; | |
1762 | ||
dac5c838 | 1763 | ret = bt_value_integer_get(env_field_value_obj, |
7f800dc7 | 1764 | &int_value); |
95c09b3a | 1765 | assert(ret == 0); |
7f800dc7 PP |
1766 | g_string_append_printf(context->string, |
1767 | "\t%s = %" PRId64 ";\n", entry_name, | |
1768 | int_value); | |
1769 | break; | |
b8248cc0 | 1770 | } |
dac5c838 | 1771 | case BT_VALUE_TYPE_STRING: |
7f800dc7 PP |
1772 | { |
1773 | int ret; | |
1774 | const char *str_value; | |
1775 | char *escaped_str = NULL; | |
1776 | ||
dac5c838 | 1777 | ret = bt_value_string_get(env_field_value_obj, |
7f800dc7 | 1778 | &str_value); |
95c09b3a | 1779 | assert(ret == 0); |
7f800dc7 | 1780 | escaped_str = g_strescape(str_value, NULL); |
7f800dc7 | 1781 | if (!escaped_str) { |
95c09b3a PP |
1782 | BT_LOGE("Cannot escape string: string=\"%s\"", |
1783 | str_value); | |
7f800dc7 PP |
1784 | goto loop_next; |
1785 | } | |
1786 | ||
1787 | g_string_append_printf(context->string, | |
1788 | "\t%s = \"%s\";\n", entry_name, escaped_str); | |
1789 | free(escaped_str); | |
1790 | break; | |
1791 | } | |
7f800dc7 PP |
1792 | default: |
1793 | goto loop_next; | |
1794 | } | |
1795 | ||
1796 | loop_next: | |
83509119 | 1797 | BT_PUT(env_field_value_obj); |
7f800dc7 PP |
1798 | } |
1799 | ||
bc37ae52 JG |
1800 | g_string_append(context->string, "};\n\n"); |
1801 | } | |
1802 | ||
50842bdc | 1803 | char *bt_trace_get_metadata_string(struct bt_trace *trace) |
bc37ae52 JG |
1804 | { |
1805 | char *metadata = NULL; | |
1806 | struct metadata_context *context = NULL; | |
1807 | int err = 0; | |
1808 | size_t i; | |
1809 | ||
1810 | if (!trace) { | |
95c09b3a | 1811 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
bc37ae52 JG |
1812 | goto end; |
1813 | } | |
1814 | ||
1815 | context = g_new0(struct metadata_context, 1); | |
1816 | if (!context) { | |
95c09b3a | 1817 | BT_LOGE_STR("Failed to allocate one metadata context."); |
bc37ae52 JG |
1818 | goto end; |
1819 | } | |
1820 | ||
1821 | context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE); | |
1822 | context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE); | |
1823 | g_string_append(context->string, "/* CTF 1.8 */\n\n"); | |
1824 | if (append_trace_metadata(trace, context)) { | |
95c09b3a | 1825 | /* append_trace_metadata() logs errors */ |
bc37ae52 JG |
1826 | goto error; |
1827 | } | |
1828 | append_env_metadata(trace, context); | |
1829 | g_ptr_array_foreach(trace->clocks, | |
50842bdc | 1830 | (GFunc)bt_clock_class_serialize, context); |
bc37ae52 JG |
1831 | |
1832 | for (i = 0; i < trace->stream_classes->len; i++) { | |
50842bdc PP |
1833 | /* bt_stream_class_serialize() logs details */ |
1834 | err = bt_stream_class_serialize( | |
bc37ae52 JG |
1835 | trace->stream_classes->pdata[i], context); |
1836 | if (err) { | |
50842bdc | 1837 | /* bt_stream_class_serialize() logs errors */ |
bc37ae52 JG |
1838 | goto error; |
1839 | } | |
1840 | } | |
1841 | ||
1842 | metadata = context->string->str; | |
95c09b3a | 1843 | |
bc37ae52 JG |
1844 | error: |
1845 | g_string_free(context->string, err ? TRUE : FALSE); | |
1846 | g_string_free(context->field_name, TRUE); | |
1847 | g_free(context); | |
95c09b3a | 1848 | |
bc37ae52 JG |
1849 | end: |
1850 | return metadata; | |
1851 | } | |
1852 | ||
50842bdc PP |
1853 | enum bt_byte_order bt_trace_get_native_byte_order( |
1854 | struct bt_trace *trace) | |
4ed90fb3 | 1855 | { |
50842bdc | 1856 | enum bt_byte_order ret = BT_BYTE_ORDER_UNKNOWN; |
4ed90fb3 JG |
1857 | |
1858 | if (!trace) { | |
95c09b3a | 1859 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
4ed90fb3 JG |
1860 | goto end; |
1861 | } | |
1862 | ||
dc3fffef PP |
1863 | ret = trace->native_byte_order; |
1864 | ||
4ed90fb3 JG |
1865 | end: |
1866 | return ret; | |
1867 | } | |
1868 | ||
50842bdc PP |
1869 | int bt_trace_set_native_byte_order(struct bt_trace *trace, |
1870 | enum bt_byte_order byte_order) | |
bc37ae52 JG |
1871 | { |
1872 | int ret = 0; | |
bc37ae52 | 1873 | |
95c09b3a PP |
1874 | if (!trace) { |
1875 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1876 | ret = -1; | |
1877 | goto end; | |
1878 | } | |
1879 | ||
1880 | if (trace->frozen) { | |
1881 | BT_LOGW("Invalid parameter: trace is frozen: " | |
1882 | "addr=%p, name=\"%s\"", | |
50842bdc | 1883 | trace, bt_trace_get_name(trace)); |
bc37ae52 JG |
1884 | ret = -1; |
1885 | goto end; | |
1886 | } | |
1887 | ||
d41cff38 | 1888 | if (trace->is_created_by_writer && |
50842bdc PP |
1889 | byte_order == BT_BYTE_ORDER_UNSPECIFIED) { |
1890 | BT_LOGW("Invalid parameter: BT_BYTE_ORDER_UNSPECIFIED byte order is not allowed for a CTF writer trace: " | |
d41cff38 | 1891 | "addr=%p, name=\"%s\"", |
50842bdc | 1892 | trace, bt_trace_get_name(trace)); |
d41cff38 PP |
1893 | ret = -1; |
1894 | goto end; | |
1895 | } | |
1896 | ||
50842bdc PP |
1897 | if (byte_order != BT_BYTE_ORDER_LITTLE_ENDIAN && |
1898 | byte_order != BT_BYTE_ORDER_BIG_ENDIAN && | |
1899 | byte_order != BT_BYTE_ORDER_NETWORK) { | |
95c09b3a PP |
1900 | BT_LOGW("Invalid parameter: invalid byte order: " |
1901 | "addr=%p, name=\"%s\", bo=%s", | |
50842bdc PP |
1902 | trace, bt_trace_get_name(trace), |
1903 | bt_byte_order_string(byte_order)); | |
bc37ae52 JG |
1904 | ret = -1; |
1905 | goto end; | |
1906 | } | |
1907 | ||
dc3fffef | 1908 | trace->native_byte_order = byte_order; |
95c09b3a PP |
1909 | BT_LOGV("Set trace's native byte order: " |
1910 | "addr=%p, name=\"%s\", bo=%s", | |
50842bdc PP |
1911 | trace, bt_trace_get_name(trace), |
1912 | bt_byte_order_string(byte_order)); | |
dc3fffef | 1913 | |
bc37ae52 JG |
1914 | end: |
1915 | return ret; | |
1916 | } | |
1917 | ||
50842bdc PP |
1918 | struct bt_field_type *bt_trace_get_packet_header_type( |
1919 | struct bt_trace *trace) | |
d246b111 | 1920 | { |
50842bdc | 1921 | struct bt_field_type *field_type = NULL; |
d246b111 JG |
1922 | |
1923 | if (!trace) { | |
95c09b3a | 1924 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
d246b111 JG |
1925 | goto end; |
1926 | } | |
1927 | ||
83509119 | 1928 | bt_get(trace->packet_header_type); |
d246b111 JG |
1929 | field_type = trace->packet_header_type; |
1930 | end: | |
1931 | return field_type; | |
1932 | } | |
1933 | ||
50842bdc PP |
1934 | int bt_trace_set_packet_header_type(struct bt_trace *trace, |
1935 | struct bt_field_type *packet_header_type) | |
d246b111 JG |
1936 | { |
1937 | int ret = 0; | |
1938 | ||
95c09b3a PP |
1939 | if (!trace) { |
1940 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
1941 | ret = -1; | |
1942 | goto end; | |
1943 | } | |
1944 | ||
1945 | if (trace->frozen) { | |
1946 | BT_LOGW("Invalid parameter: trace is frozen: " | |
1947 | "addr=%p, name=\"%s\"", | |
50842bdc | 1948 | trace, bt_trace_get_name(trace)); |
d246b111 JG |
1949 | ret = -1; |
1950 | goto end; | |
1951 | } | |
1952 | ||
835b2d10 JG |
1953 | /* packet_header_type must be a structure. */ |
1954 | if (packet_header_type && | |
50842bdc | 1955 | !bt_field_type_is_structure(packet_header_type)) { |
95c09b3a PP |
1956 | BT_LOGW("Invalid parameter: packet header field type must be a structure field type if it exists: " |
1957 | "addr=%p, name=\"%s\", ft-addr=%p, ft-id=%s", | |
50842bdc | 1958 | trace, bt_trace_get_name(trace), |
95c09b3a | 1959 | packet_header_type, |
50842bdc | 1960 | bt_field_type_id_string(packet_header_type->id)); |
d246b111 JG |
1961 | ret = -1; |
1962 | goto end; | |
1963 | } | |
1964 | ||
83509119 | 1965 | bt_put(trace->packet_header_type); |
835b2d10 | 1966 | trace->packet_header_type = bt_get(packet_header_type); |
95c09b3a PP |
1967 | BT_LOGV("Set trace's packet header field type: " |
1968 | "addr=%p, name=\"%s\", packet-context-ft-addr=%p", | |
50842bdc | 1969 | trace, bt_trace_get_name(trace), packet_header_type); |
d246b111 JG |
1970 | end: |
1971 | return ret; | |
1972 | } | |
1973 | ||
8bf65fbd | 1974 | static |
544d0515 | 1975 | int64_t get_stream_class_count(void *element) |
8bf65fbd | 1976 | { |
50842bdc PP |
1977 | return bt_trace_get_stream_class_count( |
1978 | (struct bt_trace *) element); | |
8bf65fbd JG |
1979 | } |
1980 | ||
1981 | static | |
1982 | void *get_stream_class(void *element, int i) | |
1983 | { | |
50842bdc PP |
1984 | return bt_trace_get_stream_class_by_index( |
1985 | (struct bt_trace *) element, i); | |
8bf65fbd JG |
1986 | } |
1987 | ||
1988 | static | |
50842bdc | 1989 | int visit_stream_class(void *object, bt_visitor visitor,void *data) |
8bf65fbd | 1990 | { |
50842bdc | 1991 | return bt_stream_class_visit(object, visitor, data); |
8bf65fbd JG |
1992 | } |
1993 | ||
50842bdc PP |
1994 | int bt_trace_visit(struct bt_trace *trace, |
1995 | bt_visitor visitor, void *data) | |
8bf65fbd JG |
1996 | { |
1997 | int ret; | |
50842bdc PP |
1998 | struct bt_visitor_object obj = { |
1999 | .object = trace, | |
2000 | .type = BT_VISITOR_OBJECT_TYPE_TRACE | |
2001 | }; | |
8bf65fbd | 2002 | |
95c09b3a PP |
2003 | if (!trace) { |
2004 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
2005 | ret = -1; | |
2006 | goto end; | |
2007 | } | |
2008 | ||
2009 | if (!visitor) { | |
2010 | BT_LOGW_STR("Invalid parameter: visitor is NULL."); | |
8bf65fbd JG |
2011 | ret = -1; |
2012 | goto end; | |
2013 | } | |
2014 | ||
95c09b3a | 2015 | BT_LOGV("Visiting trace: addr=%p, name=\"%s\"", |
50842bdc | 2016 | trace, bt_trace_get_name(trace)); |
d9a13d86 | 2017 | ret = visitor_helper(&obj, get_stream_class_count, |
8bf65fbd JG |
2018 | get_stream_class, visit_stream_class, visitor, data); |
2019 | end: | |
2020 | return ret; | |
2021 | } | |
2022 | ||
2023 | static | |
50842bdc | 2024 | int invoke_listener(struct bt_visitor_object *object, void *data) |
8bf65fbd | 2025 | { |
9b888ff3 | 2026 | struct listener_wrapper *listener_wrapper = data; |
8bf65fbd | 2027 | |
d9a13d86 | 2028 | listener_wrapper->listener(object, listener_wrapper->data); |
9b888ff3 | 2029 | return 0; |
8bf65fbd JG |
2030 | } |
2031 | ||
95c09b3a | 2032 | // TODO: add logging to this function once we use it internally. |
50842bdc PP |
2033 | int bt_trace_add_listener(struct bt_trace *trace, |
2034 | bt_listener_cb listener, void *listener_data) | |
2204c381 JG |
2035 | { |
2036 | int ret = 0; | |
50ad4244 JG |
2037 | struct listener_wrapper *listener_wrapper = |
2038 | g_new0(struct listener_wrapper, 1); | |
2204c381 | 2039 | |
50ad4244 | 2040 | if (!trace || !listener || !listener_wrapper) { |
2204c381 JG |
2041 | ret = -1; |
2042 | goto error; | |
2043 | } | |
2044 | ||
50ad4244 JG |
2045 | listener_wrapper->listener = listener; |
2046 | listener_wrapper->data = listener_data; | |
8bf65fbd | 2047 | |
50ad4244 | 2048 | /* Visit the current schema. */ |
50842bdc | 2049 | ret = bt_trace_visit(trace, invoke_listener, listener_wrapper); |
8bf65fbd JG |
2050 | if (ret) { |
2051 | goto error; | |
2052 | } | |
2053 | ||
50ad4244 JG |
2054 | /* |
2055 | * Add listener to the array of callbacks which will be invoked on | |
2056 | * schema changes. | |
2057 | */ | |
2058 | g_ptr_array_add(trace->listeners, listener_wrapper); | |
2204c381 JG |
2059 | return ret; |
2060 | error: | |
50ad4244 | 2061 | g_free(listener_wrapper); |
2204c381 JG |
2062 | return ret; |
2063 | } | |
2064 | ||
bc37ae52 | 2065 | BT_HIDDEN |
50842bdc | 2066 | int bt_trace_object_modification(struct bt_visitor_object *object, |
9b888ff3 JG |
2067 | void *trace_ptr) |
2068 | { | |
2069 | size_t i; | |
50842bdc | 2070 | struct bt_trace *trace = trace_ptr; |
9b888ff3 JG |
2071 | |
2072 | assert(trace); | |
d9a13d86 | 2073 | assert(object); |
9b888ff3 JG |
2074 | |
2075 | if (trace->listeners->len == 0) { | |
2076 | goto end; | |
2077 | } | |
2078 | ||
2079 | for (i = 0; i < trace->listeners->len; i++) { | |
2080 | struct listener_wrapper *listener = | |
2081 | g_ptr_array_index(trace->listeners, i); | |
2082 | ||
d9a13d86 | 2083 | listener->listener(object, listener->data); |
9b888ff3 JG |
2084 | } |
2085 | end: | |
2086 | return 0; | |
2087 | } | |
2088 | ||
2089 | BT_HIDDEN | |
50842bdc | 2090 | struct bt_field_type *get_field_type(enum field_type_alias alias) |
bc37ae52 | 2091 | { |
a25e0d14 | 2092 | int ret; |
bc37ae52 | 2093 | unsigned int alignment, size; |
50842bdc | 2094 | struct bt_field_type *field_type = NULL; |
bc37ae52 JG |
2095 | |
2096 | if (alias >= NR_FIELD_TYPE_ALIAS) { | |
8bdcb82e | 2097 | goto end; |
bc37ae52 JG |
2098 | } |
2099 | ||
2100 | alignment = field_type_aliases_alignments[alias]; | |
2101 | size = field_type_aliases_sizes[alias]; | |
50842bdc PP |
2102 | field_type = bt_field_type_integer_create(size); |
2103 | ret = bt_field_type_set_alignment(field_type, alignment); | |
a25e0d14 JG |
2104 | if (ret) { |
2105 | BT_PUT(field_type); | |
2106 | } | |
8bdcb82e | 2107 | end: |
bc37ae52 JG |
2108 | return field_type; |
2109 | } | |
2110 | ||
f67f3a6e | 2111 | static |
50842bdc | 2112 | void bt_trace_freeze(struct bt_trace *trace) |
f67f3a6e | 2113 | { |
6474e016 PP |
2114 | int i; |
2115 | ||
95c09b3a PP |
2116 | if (trace->frozen) { |
2117 | return; | |
2118 | } | |
2119 | ||
2120 | BT_LOGD("Freezing trace: addr=%p, name=\"%s\"", | |
50842bdc | 2121 | trace, bt_trace_get_name(trace)); |
95c09b3a | 2122 | BT_LOGD_STR("Freezing packet header field type."); |
50842bdc | 2123 | bt_field_type_freeze(trace->packet_header_type); |
95c09b3a | 2124 | BT_LOGD_STR("Freezing environment attributes."); |
50842bdc | 2125 | bt_attributes_freeze(trace->environment); |
6474e016 | 2126 | |
95c09b3a PP |
2127 | if (trace->clocks->len > 0) { |
2128 | BT_LOGD_STR("Freezing clock classes."); | |
2129 | } | |
2130 | ||
6474e016 | 2131 | for (i = 0; i < trace->clocks->len; i++) { |
50842bdc | 2132 | struct bt_clock_class *clock_class = |
6474e016 PP |
2133 | g_ptr_array_index(trace->clocks, i); |
2134 | ||
50842bdc | 2135 | bt_clock_class_freeze(clock_class); |
6474e016 PP |
2136 | } |
2137 | ||
f67f3a6e JG |
2138 | trace->frozen = 1; |
2139 | } | |
2140 | ||
50842bdc | 2141 | bt_bool bt_trace_is_static(struct bt_trace *trace) |
5acf2ae6 | 2142 | { |
c55a9f58 | 2143 | bt_bool is_static = BT_FALSE; |
5acf2ae6 PP |
2144 | |
2145 | if (!trace) { | |
95c09b3a | 2146 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
5acf2ae6 PP |
2147 | goto end; |
2148 | } | |
2149 | ||
2150 | is_static = trace->is_static; | |
2151 | ||
2152 | end: | |
2153 | return is_static; | |
2154 | } | |
2155 | ||
50842bdc | 2156 | int bt_trace_set_is_static(struct bt_trace *trace) |
5acf2ae6 PP |
2157 | { |
2158 | int ret = 0; | |
3602afb0 | 2159 | size_t i; |
5acf2ae6 PP |
2160 | |
2161 | if (!trace) { | |
95c09b3a | 2162 | BT_LOGW_STR("Invalid parameter: trace is NULL."); |
5acf2ae6 PP |
2163 | ret = -1; |
2164 | goto end; | |
2165 | } | |
2166 | ||
c55a9f58 | 2167 | trace->is_static = BT_TRUE; |
50842bdc | 2168 | bt_trace_freeze(trace); |
95c09b3a | 2169 | BT_LOGV("Set trace static: addr=%p, name=\"%s\"", |
50842bdc | 2170 | trace, bt_trace_get_name(trace)); |
5acf2ae6 | 2171 | |
3602afb0 PP |
2172 | /* Call all the "trace is static" listeners */ |
2173 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 2174 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 2175 | g_array_index(trace->is_static_listeners, |
50842bdc | 2176 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
2177 | |
2178 | if (elem.func) { | |
2179 | elem.func(trace, elem.data); | |
2180 | } | |
2181 | } | |
2182 | ||
2183 | end: | |
2184 | return ret; | |
2185 | } | |
2186 | ||
50842bdc PP |
2187 | int bt_trace_add_is_static_listener(struct bt_trace *trace, |
2188 | bt_trace_is_static_listener listener, | |
2189 | bt_trace_listener_removed listener_removed, void *data) | |
3602afb0 PP |
2190 | { |
2191 | int i; | |
50842bdc | 2192 | struct bt_trace_is_static_listener_elem new_elem = { |
3602afb0 | 2193 | .func = listener, |
8480c8cc | 2194 | .removed = listener_removed, |
3602afb0 PP |
2195 | .data = data, |
2196 | }; | |
2197 | ||
2198 | if (!trace) { | |
2199 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
2200 | i = -1; | |
2201 | goto end; | |
2202 | } | |
2203 | ||
2204 | if (!listener) { | |
2205 | BT_LOGW_STR("Invalid parameter: listener is NULL."); | |
2206 | i = -1; | |
2207 | goto end; | |
2208 | } | |
2209 | ||
2210 | if (trace->is_static) { | |
2211 | BT_LOGW("Invalid parameter: trace is already static: " | |
2212 | "addr=%p, name=\"%s\"", | |
50842bdc | 2213 | trace, bt_trace_get_name(trace)); |
3602afb0 PP |
2214 | i = -1; |
2215 | goto end; | |
2216 | } | |
2217 | ||
8480c8cc PP |
2218 | if (trace->in_remove_listener) { |
2219 | BT_LOGW("Cannot call this function during the execution of a remove listener: " | |
2220 | "addr=%p, name=\"%s\"", | |
50842bdc | 2221 | trace, bt_trace_get_name(trace)); |
8480c8cc PP |
2222 | i = -1; |
2223 | goto end; | |
2224 | } | |
2225 | ||
3602afb0 PP |
2226 | /* Find the next available spot */ |
2227 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 2228 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 2229 | g_array_index(trace->is_static_listeners, |
50842bdc | 2230 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
2231 | |
2232 | if (!elem.func) { | |
2233 | break; | |
2234 | } | |
2235 | } | |
2236 | ||
2237 | if (i == trace->is_static_listeners->len) { | |
2238 | g_array_append_val(trace->is_static_listeners, new_elem); | |
2239 | } else { | |
2240 | g_array_insert_val(trace->is_static_listeners, i, new_elem); | |
2241 | } | |
2242 | ||
2243 | BT_LOGV("Added \"trace is static\" listener: " | |
2244 | "trace-addr=%p, trace-name=\"%s\", func-addr=%p, " | |
2245 | "data-addr=%p, listener-id=%d", | |
50842bdc | 2246 | trace, bt_trace_get_name(trace), listener, data, i); |
3602afb0 PP |
2247 | |
2248 | end: | |
2249 | return i; | |
2250 | } | |
2251 | ||
50842bdc PP |
2252 | int bt_trace_remove_is_static_listener( |
2253 | struct bt_trace *trace, int listener_id) | |
3602afb0 PP |
2254 | { |
2255 | int ret = 0; | |
50842bdc | 2256 | struct bt_trace_is_static_listener_elem *elem; |
3602afb0 PP |
2257 | |
2258 | if (!trace) { | |
2259 | BT_LOGW_STR("Invalid parameter: trace is NULL."); | |
2260 | ret = -1; | |
2261 | goto end; | |
2262 | } | |
2263 | ||
8480c8cc PP |
2264 | if (trace->in_remove_listener) { |
2265 | BT_LOGW("Cannot call this function during the execution of a remove listener: " | |
2266 | "addr=%p, name=\"%s\", listener-id=%d", | |
50842bdc | 2267 | trace, bt_trace_get_name(trace), |
8480c8cc PP |
2268 | listener_id); |
2269 | ret = -1; | |
2270 | goto end; | |
2271 | } | |
2272 | ||
3602afb0 PP |
2273 | if (listener_id < 0) { |
2274 | BT_LOGW("Invalid listener ID: must be zero or positive: " | |
2275 | "listener-id=%d", listener_id); | |
2276 | ret = -1; | |
2277 | goto end; | |
2278 | } | |
2279 | ||
2280 | if (listener_id >= trace->is_static_listeners->len) { | |
2281 | BT_LOGW("Invalid parameter: no listener with this listener ID: " | |
2282 | "addr=%p, name=\"%s\", listener-id=%d", | |
50842bdc | 2283 | trace, bt_trace_get_name(trace), |
3602afb0 PP |
2284 | listener_id); |
2285 | ret = -1; | |
2286 | goto end; | |
2287 | } | |
2288 | ||
2289 | elem = &g_array_index(trace->is_static_listeners, | |
50842bdc | 2290 | struct bt_trace_is_static_listener_elem, |
3602afb0 PP |
2291 | listener_id); |
2292 | if (!elem->func) { | |
2293 | BT_LOGW("Invalid parameter: no listener with this listener ID: " | |
2294 | "addr=%p, name=\"%s\", listener-id=%d", | |
50842bdc | 2295 | trace, bt_trace_get_name(trace), |
3602afb0 PP |
2296 | listener_id); |
2297 | ret = -1; | |
2298 | goto end; | |
2299 | } | |
2300 | ||
8480c8cc PP |
2301 | if (elem->removed) { |
2302 | /* Call remove listener */ | |
2303 | BT_LOGV("Calling remove listener: " | |
2304 | "trace-addr=%p, trace-name=\"%s\", " | |
50842bdc | 2305 | "listener-id=%d", trace, bt_trace_get_name(trace), |
8480c8cc PP |
2306 | listener_id); |
2307 | trace->in_remove_listener = BT_TRUE; | |
2308 | elem->removed(trace, elem->data); | |
2309 | trace->in_remove_listener = BT_FALSE; | |
2310 | } | |
2311 | ||
3602afb0 | 2312 | elem->func = NULL; |
8480c8cc | 2313 | elem->removed = NULL; |
3602afb0 PP |
2314 | elem->data = NULL; |
2315 | BT_LOGV("Removed \"trace is static\" listener: " | |
2316 | "trace-addr=%p, trace-name=\"%s\", " | |
50842bdc | 2317 | "listener-id=%d", trace, bt_trace_get_name(trace), |
3602afb0 PP |
2318 | listener_id); |
2319 | ||
5acf2ae6 PP |
2320 | end: |
2321 | return ret; | |
2322 | } |