Commit | Line | Data |
---|---|---|
bc37ae52 JG |
1 | /* |
2 | * trace.c | |
3 | * | |
56e18c4c | 4 | * Babeltrace trace IR - Trace |
bc37ae52 JG |
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 | ||
3dca2276 | 32 | #include <babeltrace/assert-pre-internal.h> |
56e18c4c PP |
33 | #include <babeltrace/trace-ir/trace-internal.h> |
34 | #include <babeltrace/trace-ir/clock-class-internal.h> | |
35 | #include <babeltrace/trace-ir/stream-internal.h> | |
36 | #include <babeltrace/trace-ir/stream-class-internal.h> | |
37 | #include <babeltrace/trace-ir/event-internal.h> | |
38 | #include <babeltrace/trace-ir/event-class.h> | |
39 | #include <babeltrace/trace-ir/event-class-internal.h> | |
bc37ae52 | 40 | #include <babeltrace/ctf-writer/functor-internal.h> |
ac0c6bdd | 41 | #include <babeltrace/ctf-writer/clock-internal.h> |
56e18c4c | 42 | #include <babeltrace/trace-ir/field-wrapper-internal.h> |
5cd6d0e5 | 43 | #include <babeltrace/trace-ir/field-classes-internal.h> |
56e18c4c PP |
44 | #include <babeltrace/trace-ir/attributes-internal.h> |
45 | #include <babeltrace/trace-ir/utils-internal.h> | |
46 | #include <babeltrace/trace-ir/resolve-field-path-internal.h> | |
3d9990ac | 47 | #include <babeltrace/compiler-internal.h> |
dac5c838 | 48 | #include <babeltrace/values.h> |
da91b29a | 49 | #include <babeltrace/private-values.h> |
95c09b3a | 50 | #include <babeltrace/values-internal.h> |
65300d60 | 51 | #include <babeltrace/object.h> |
c55a9f58 | 52 | #include <babeltrace/types.h> |
3d9990ac | 53 | #include <babeltrace/endian-internal.h> |
f6ccaed9 | 54 | #include <babeltrace/assert-internal.h> |
44c440bc | 55 | #include <babeltrace/compat/glib-internal.h> |
dc3fffef | 56 | #include <inttypes.h> |
544d0515 | 57 | #include <stdint.h> |
4a32fda0 | 58 | #include <string.h> |
0fbb9a9f | 59 | #include <stdlib.h> |
bc37ae52 | 60 | |
50842bdc PP |
61 | struct bt_trace_is_static_listener_elem { |
62 | bt_trace_is_static_listener func; | |
63 | bt_trace_listener_removed removed; | |
3602afb0 PP |
64 | void *data; |
65 | }; | |
66 | ||
44c440bc PP |
67 | #define BT_ASSERT_PRE_TRACE_HOT(_trace) \ |
68 | BT_ASSERT_PRE_HOT((_trace), "Trace", ": %!+t", (_trace)) | |
cb6f1f7d | 69 | |
bc37ae52 | 70 | static |
44c440bc | 71 | void destroy_trace(struct bt_object *obj) |
3dca2276 PP |
72 | { |
73 | struct bt_trace *trace = (void *) obj; | |
bc37ae52 | 74 | |
44c440bc | 75 | BT_LIB_LOGD("Destroying trace object: %!+t", trace); |
bc37ae52 | 76 | |
3dca2276 PP |
77 | /* |
78 | * Call remove listeners first so that everything else still | |
79 | * exists in the trace. | |
80 | */ | |
81 | if (trace->is_static_listeners) { | |
82 | size_t i; | |
bc37ae52 | 83 | |
3dca2276 PP |
84 | for (i = 0; i < trace->is_static_listeners->len; i++) { |
85 | struct bt_trace_is_static_listener_elem elem = | |
86 | g_array_index(trace->is_static_listeners, | |
87 | struct bt_trace_is_static_listener_elem, i); | |
bc37ae52 | 88 | |
3dca2276 PP |
89 | if (elem.removed) { |
90 | elem.removed(trace, elem.data); | |
91 | } | |
92 | } | |
93 | ||
94 | g_array_free(trace->is_static_listeners, TRUE); | |
bc37ae52 JG |
95 | } |
96 | ||
312c056a | 97 | bt_object_pool_finalize(&trace->packet_header_field_pool); |
3dca2276 | 98 | |
44c440bc PP |
99 | if (trace->environment) { |
100 | BT_LOGD_STR("Destroying environment attributes."); | |
101 | bt_attributes_destroy(trace->environment); | |
95c09b3a PP |
102 | } |
103 | ||
44c440bc PP |
104 | if (trace->name.str) { |
105 | g_string_free(trace->name.str, TRUE); | |
95c09b3a PP |
106 | } |
107 | ||
44c440bc PP |
108 | if (trace->streams) { |
109 | BT_LOGD_STR("Destroying streams."); | |
110 | g_ptr_array_free(trace->streams, TRUE); | |
bc37ae52 JG |
111 | } |
112 | ||
44c440bc PP |
113 | if (trace->stream_classes) { |
114 | BT_LOGD_STR("Destroying stream classes."); | |
115 | g_ptr_array_free(trace->stream_classes, TRUE); | |
7f800dc7 PP |
116 | } |
117 | ||
44c440bc PP |
118 | if (trace->stream_classes_stream_count) { |
119 | g_hash_table_destroy(trace->stream_classes_stream_count); | |
120 | } | |
3dca2276 | 121 | |
5cd6d0e5 | 122 | BT_LOGD_STR("Putting packet header field classe."); |
65300d60 | 123 | bt_object_put_ref(trace->packet_header_fc); |
44c440bc | 124 | g_free(trace); |
3dca2276 PP |
125 | } |
126 | ||
312c056a PP |
127 | static |
128 | void free_packet_header_field(struct bt_field_wrapper *field_wrapper, | |
129 | struct bt_trace *trace) | |
130 | { | |
131 | bt_field_wrapper_destroy(field_wrapper); | |
132 | } | |
133 | ||
3dca2276 PP |
134 | struct bt_trace *bt_trace_create(void) |
135 | { | |
136 | struct bt_trace *trace = NULL; | |
137 | int ret; | |
138 | ||
44c440bc | 139 | BT_LOGD_STR("Creating default trace object."); |
3dca2276 PP |
140 | trace = g_new0(struct bt_trace, 1); |
141 | if (!trace) { | |
142 | BT_LOGE_STR("Failed to allocate one trace."); | |
143 | goto error; | |
144 | } | |
145 | ||
44c440bc PP |
146 | bt_object_init_shared_with_parent(&trace->base, destroy_trace); |
147 | trace->streams = g_ptr_array_new_with_free_func( | |
148 | (GDestroyNotify) bt_object_try_spec_release); | |
149 | if (!trace->streams) { | |
150 | BT_LOGE_STR("Failed to allocate one GPtrArray."); | |
3dca2276 PP |
151 | goto error; |
152 | } | |
153 | ||
44c440bc PP |
154 | trace->stream_classes = g_ptr_array_new_with_free_func( |
155 | (GDestroyNotify) bt_object_try_spec_release); | |
156 | if (!trace->stream_classes) { | |
95c09b3a | 157 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
9b888ff3 JG |
158 | goto error; |
159 | } | |
160 | ||
44c440bc PP |
161 | trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash, |
162 | g_direct_equal); | |
163 | if (!trace->stream_classes_stream_count) { | |
164 | BT_LOGE_STR("Failed to allocate one GHashTable."); | |
165 | goto error; | |
166 | } | |
167 | ||
168 | trace->name.str = g_string_new(NULL); | |
169 | if (!trace->name.str) { | |
170 | BT_LOGE_STR("Failed to allocate one GString."); | |
171 | goto error; | |
172 | } | |
173 | ||
174 | trace->environment = bt_attributes_create(); | |
175 | if (!trace->environment) { | |
176 | BT_LOGE_STR("Cannot create empty attributes object."); | |
177 | goto error; | |
178 | } | |
179 | ||
3602afb0 | 180 | trace->is_static_listeners = g_array_new(FALSE, TRUE, |
50842bdc | 181 | sizeof(struct bt_trace_is_static_listener_elem)); |
3602afb0 PP |
182 | if (!trace->is_static_listeners) { |
183 | BT_LOGE_STR("Failed to allocate one GArray."); | |
184 | goto error; | |
185 | } | |
186 | ||
44c440bc | 187 | trace->assigns_automatic_stream_class_id = true; |
312c056a PP |
188 | ret = bt_object_pool_initialize(&trace->packet_header_field_pool, |
189 | (bt_object_pool_new_object_func) bt_field_wrapper_new, | |
190 | (bt_object_pool_destroy_object_func) free_packet_header_field, | |
191 | trace); | |
192 | if (ret) { | |
193 | BT_LOGE("Failed to initialize packet header field pool: ret=%d", | |
194 | ret); | |
195 | goto error; | |
196 | } | |
197 | ||
44c440bc PP |
198 | BT_LIB_LOGD("Created trace object: %!+t", trace); |
199 | goto end; | |
bc37ae52 | 200 | |
bc37ae52 | 201 | error: |
65300d60 | 202 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
44c440bc PP |
203 | |
204 | end: | |
bc37ae52 JG |
205 | return trace; |
206 | } | |
207 | ||
50842bdc | 208 | const char *bt_trace_get_name(struct bt_trace *trace) |
e96045d4 | 209 | { |
cb6f1f7d | 210 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 211 | return trace->name.value; |
e96045d4 JG |
212 | } |
213 | ||
cb6f1f7d | 214 | int bt_trace_set_name(struct bt_trace *trace, const char *name) |
e96045d4 | 215 | { |
44c440bc PP |
216 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
217 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
218 | BT_ASSERT_PRE_TRACE_HOT(trace); | |
219 | g_string_assign(trace->name.str, name); | |
220 | trace->name.value = trace->name.str->str; | |
221 | BT_LIB_LOGV("Set trace's name: %!+t", trace); | |
222 | return 0; | |
e96045d4 JG |
223 | } |
224 | ||
44c440bc | 225 | bt_uuid bt_trace_get_uuid(struct bt_trace *trace) |
4a32fda0 | 226 | { |
cb6f1f7d | 227 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 228 | return trace->uuid.value; |
4a32fda0 PP |
229 | } |
230 | ||
44c440bc | 231 | int bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid) |
4a32fda0 | 232 | { |
44c440bc PP |
233 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
234 | BT_ASSERT_PRE_NON_NULL(uuid, "UUID"); | |
235 | BT_ASSERT_PRE_TRACE_HOT(trace); | |
236 | memcpy(trace->uuid.uuid, uuid, BABELTRACE_UUID_LEN); | |
237 | trace->uuid.value = trace->uuid.uuid; | |
238 | BT_LIB_LOGV("Set trace's UUID: %!+t", trace); | |
239 | return 0; | |
4a32fda0 PP |
240 | } |
241 | ||
44c440bc PP |
242 | BT_ASSERT_FUNC |
243 | static | |
244 | bool trace_has_environment_entry(struct bt_trace *trace, const char *name) | |
bc37ae52 | 245 | { |
44c440bc | 246 | BT_ASSERT(trace); |
95c09b3a | 247 | |
da91b29a PP |
248 | return bt_attributes_borrow_field_value_by_name( |
249 | trace->environment, name) != NULL; | |
44c440bc | 250 | } |
a0d12916 | 251 | |
44c440bc PP |
252 | static |
253 | int set_environment_entry(struct bt_trace *trace, const char *name, | |
da91b29a | 254 | struct bt_private_value *value) |
44c440bc PP |
255 | { |
256 | int ret; | |
a0d12916 | 257 | |
44c440bc PP |
258 | BT_ASSERT(trace); |
259 | BT_ASSERT(name); | |
260 | BT_ASSERT(value); | |
261 | BT_ASSERT_PRE(!trace->frozen || | |
262 | !trace_has_environment_entry(trace, name), | |
263 | "Trace is frozen: cannot replace environment entry: " | |
264 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
50842bdc | 265 | ret = bt_attributes_set_field_value(trace->environment, name, |
7f800dc7 | 266 | value); |
da91b29a | 267 | bt_value_freeze(bt_value_borrow_from_private(value)); |
95c09b3a | 268 | if (ret) { |
44c440bc PP |
269 | BT_LIB_LOGE("Cannot set trace's environment entry: " |
270 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
95c09b3a | 271 | } else { |
44c440bc PP |
272 | BT_LIB_LOGV("Set trace's environment entry: " |
273 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
95c09b3a | 274 | } |
bc37ae52 | 275 | |
7f800dc7 PP |
276 | return ret; |
277 | } | |
bc37ae52 | 278 | |
44c440bc | 279 | int bt_trace_set_environment_entry_string(struct bt_trace *trace, |
7f800dc7 PP |
280 | const char *name, const char *value) |
281 | { | |
44c440bc | 282 | int ret; |
da91b29a | 283 | struct bt_private_value *value_obj; |
bc37ae52 | 284 | |
44c440bc PP |
285 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
286 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
287 | BT_ASSERT_PRE_NON_NULL(value, "Value"); | |
da91b29a | 288 | value_obj = bt_private_value_string_create_init(value); |
44c440bc PP |
289 | if (!value_obj) { |
290 | BT_LOGE_STR("Cannot create a string value object."); | |
7f800dc7 PP |
291 | ret = -1; |
292 | goto end; | |
bc37ae52 JG |
293 | } |
294 | ||
44c440bc PP |
295 | /* set_environment_entry() logs errors */ |
296 | ret = set_environment_entry(trace, name, value_obj); | |
7f800dc7 PP |
297 | |
298 | end: | |
65300d60 | 299 | bt_object_put_ref(value_obj); |
3487c9f3 JG |
300 | return ret; |
301 | } | |
302 | ||
44c440bc | 303 | int bt_trace_set_environment_entry_integer( |
cb6f1f7d | 304 | struct bt_trace *trace, const char *name, int64_t value) |
3487c9f3 | 305 | { |
44c440bc | 306 | int ret; |
da91b29a | 307 | struct bt_private_value *value_obj; |
3487c9f3 | 308 | |
44c440bc PP |
309 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
310 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
da91b29a | 311 | value_obj = bt_private_value_integer_create_init(value); |
44c440bc PP |
312 | if (!value_obj) { |
313 | BT_LOGE_STR("Cannot create an integer value object."); | |
3487c9f3 | 314 | ret = -1; |
7f800dc7 | 315 | goto end; |
3487c9f3 JG |
316 | } |
317 | ||
44c440bc PP |
318 | /* set_environment_entry() logs errors */ |
319 | ret = set_environment_entry(trace, name, value_obj); | |
95c09b3a | 320 | |
7f800dc7 | 321 | end: |
65300d60 | 322 | bt_object_put_ref(value_obj); |
bc37ae52 JG |
323 | return ret; |
324 | } | |
325 | ||
44c440bc | 326 | uint64_t bt_trace_get_environment_entry_count(struct bt_trace *trace) |
3dca2276 | 327 | { |
cb6f1f7d PP |
328 | int64_t ret; |
329 | ||
330 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
331 | ret = bt_attributes_get_count(trace->environment); | |
332 | BT_ASSERT(ret >= 0); | |
44c440bc | 333 | return (uint64_t) ret; |
e6fa2160 JG |
334 | } |
335 | ||
44c440bc PP |
336 | void bt_trace_borrow_environment_entry_by_index( |
337 | struct bt_trace *trace, uint64_t index, | |
338 | const char **name, struct bt_value **value) | |
e6fa2160 | 339 | { |
cb6f1f7d | 340 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc PP |
341 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
342 | BT_ASSERT_PRE_NON_NULL(value, "Value"); | |
343 | BT_ASSERT_PRE_VALID_INDEX(index, | |
344 | bt_attributes_get_count(trace->environment)); | |
da91b29a PP |
345 | *value = bt_value_borrow_from_private( |
346 | bt_attributes_borrow_field_value(trace->environment, index)); | |
44c440bc PP |
347 | BT_ASSERT(*value); |
348 | *name = bt_attributes_get_field_name(trace->environment, index); | |
349 | BT_ASSERT(*name); | |
e6fa2160 JG |
350 | } |
351 | ||
44c440bc | 352 | struct bt_value *bt_trace_borrow_environment_entry_value_by_name( |
50842bdc | 353 | struct bt_trace *trace, const char *name) |
e6fa2160 | 354 | { |
cb6f1f7d PP |
355 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
356 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
da91b29a PP |
357 | return bt_value_borrow_from_private( |
358 | bt_attributes_borrow_field_value_by_name(trace->environment, | |
359 | name)); | |
e6fa2160 JG |
360 | } |
361 | ||
44c440bc | 362 | uint64_t bt_trace_get_stream_count(struct bt_trace *trace) |
bc37ae52 | 363 | { |
44c440bc PP |
364 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
365 | return (uint64_t) trace->streams->len; | |
366 | } | |
95c09b3a | 367 | |
44c440bc PP |
368 | struct bt_stream *bt_trace_borrow_stream_by_index( |
369 | struct bt_trace *trace, uint64_t index) | |
370 | { | |
371 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
372 | BT_ASSERT_PRE_VALID_INDEX(index, trace->streams->len); | |
373 | return g_ptr_array_index(trace->streams, index); | |
374 | } | |
cb6f1f7d | 375 | |
44c440bc PP |
376 | struct bt_stream *bt_trace_borrow_stream_by_id( |
377 | struct bt_trace *trace, uint64_t id) | |
378 | { | |
379 | struct bt_stream *stream = NULL; | |
380 | uint64_t i; | |
bc37ae52 | 381 | |
44c440bc | 382 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
bc37ae52 | 383 | |
44c440bc PP |
384 | for (i = 0; i < trace->streams->len; i++) { |
385 | struct bt_stream *stream_candidate = | |
386 | g_ptr_array_index(trace->streams, i); | |
cfeb617e | 387 | |
44c440bc PP |
388 | if (stream_candidate->id == id) { |
389 | stream = stream_candidate; | |
390 | goto end; | |
391 | } | |
6474e016 | 392 | } |
95c09b3a | 393 | |
bc37ae52 | 394 | end: |
44c440bc | 395 | return stream; |
bc37ae52 JG |
396 | } |
397 | ||
44c440bc | 398 | uint64_t bt_trace_get_stream_class_count(struct bt_trace *trace) |
884cd6c3 | 399 | { |
cb6f1f7d | 400 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 401 | return (uint64_t) trace->stream_classes->len; |
884cd6c3 JG |
402 | } |
403 | ||
44c440bc | 404 | struct bt_stream_class *bt_trace_borrow_stream_class_by_index( |
50842bdc | 405 | struct bt_trace *trace, uint64_t index) |
884cd6c3 | 406 | { |
cb6f1f7d | 407 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc PP |
408 | BT_ASSERT_PRE_VALID_INDEX(index, trace->stream_classes->len); |
409 | return g_ptr_array_index(trace->stream_classes, index); | |
884cd6c3 JG |
410 | } |
411 | ||
44c440bc PP |
412 | struct bt_stream_class *bt_trace_borrow_stream_class_by_id( |
413 | struct bt_trace *trace, uint64_t id) | |
e011d2c1 | 414 | { |
44c440bc PP |
415 | struct bt_stream_class *stream_class = NULL; |
416 | uint64_t i; | |
e011d2c1 | 417 | |
44c440bc | 418 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
e011d2c1 | 419 | |
44c440bc PP |
420 | for (i = 0; i < trace->stream_classes->len; i++) { |
421 | struct bt_stream_class *stream_class_candidate = | |
422 | g_ptr_array_index(trace->stream_classes, i); | |
e011d2c1 | 423 | |
44c440bc PP |
424 | if (stream_class_candidate->id == id) { |
425 | stream_class = stream_class_candidate; | |
426 | goto end; | |
e011d2c1 | 427 | } |
44c440bc | 428 | } |
e011d2c1 | 429 | |
44c440bc PP |
430 | end: |
431 | return stream_class; | |
432 | } | |
e011d2c1 | 433 | |
5cd6d0e5 | 434 | struct bt_field_class *bt_trace_borrow_packet_header_field_class( |
44c440bc PP |
435 | struct bt_trace *trace) |
436 | { | |
437 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
5cd6d0e5 | 438 | return trace->packet_header_fc; |
44c440bc | 439 | } |
e011d2c1 | 440 | |
5cd6d0e5 PP |
441 | int bt_trace_set_packet_header_field_class(struct bt_trace *trace, |
442 | struct bt_field_class *field_class) | |
44c440bc PP |
443 | { |
444 | int ret; | |
445 | struct bt_resolve_field_path_context resolve_ctx = { | |
5cd6d0e5 | 446 | .packet_header = field_class, |
44c440bc PP |
447 | .packet_context = NULL, |
448 | .event_header = NULL, | |
449 | .event_common_context = NULL, | |
450 | .event_specific_context = NULL, | |
451 | .event_payload = NULL, | |
452 | }; | |
e011d2c1 | 453 | |
44c440bc | 454 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
5cd6d0e5 | 455 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
44c440bc | 456 | BT_ASSERT_PRE_TRACE_HOT(trace); |
864cad70 PP |
457 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
458 | BT_FIELD_CLASS_TYPE_STRUCTURE, | |
5cd6d0e5 PP |
459 | "Packet header field classe is not a structure field classe: %!+F", |
460 | field_class); | |
461 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); | |
44c440bc PP |
462 | if (ret) { |
463 | goto end; | |
e011d2c1 PP |
464 | } |
465 | ||
5cd6d0e5 | 466 | bt_field_class_make_part_of_trace(field_class); |
65300d60 PP |
467 | bt_object_put_ref(trace->packet_header_fc); |
468 | trace->packet_header_fc = bt_object_get_ref(field_class); | |
5cd6d0e5 PP |
469 | bt_field_class_freeze(field_class); |
470 | BT_LIB_LOGV("Set trace's packet header field classe: %!+t", trace); | |
e011d2c1 | 471 | |
8bf65fbd JG |
472 | end: |
473 | return ret; | |
474 | } | |
475 | ||
50842bdc | 476 | bt_bool bt_trace_is_static(struct bt_trace *trace) |
5acf2ae6 | 477 | { |
d975f66c | 478 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 479 | return (bt_bool) trace->is_static; |
5acf2ae6 PP |
480 | } |
481 | ||
44c440bc | 482 | int bt_trace_make_static(struct bt_trace *trace) |
5acf2ae6 | 483 | { |
44c440bc | 484 | uint64_t i; |
726106d3 | 485 | |
44c440bc PP |
486 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
487 | trace->is_static = true; | |
cb6f1f7d | 488 | bt_trace_freeze(trace); |
44c440bc | 489 | BT_LIB_LOGV("Trace is now static: %!+t", trace); |
5acf2ae6 | 490 | |
3602afb0 PP |
491 | /* Call all the "trace is static" listeners */ |
492 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 493 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 494 | g_array_index(trace->is_static_listeners, |
50842bdc | 495 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
496 | |
497 | if (elem.func) { | |
498 | elem.func(trace, elem.data); | |
499 | } | |
500 | } | |
501 | ||
44c440bc | 502 | return 0; |
3602afb0 PP |
503 | } |
504 | ||
50842bdc PP |
505 | int bt_trace_add_is_static_listener(struct bt_trace *trace, |
506 | bt_trace_is_static_listener listener, | |
44c440bc PP |
507 | bt_trace_listener_removed listener_removed, void *data, |
508 | uint64_t *listener_id) | |
3602afb0 | 509 | { |
44c440bc | 510 | uint64_t i; |
50842bdc | 511 | struct bt_trace_is_static_listener_elem new_elem = { |
3602afb0 | 512 | .func = listener, |
8480c8cc | 513 | .removed = listener_removed, |
3602afb0 PP |
514 | .data = data, |
515 | }; | |
516 | ||
44c440bc PP |
517 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
518 | BT_ASSERT_PRE_NON_NULL(listener, "Listener"); | |
519 | BT_ASSERT_PRE(!trace->is_static, | |
520 | "Trace is already static: %!+t", trace); | |
521 | BT_ASSERT_PRE(trace->in_remove_listener, | |
522 | "Cannot call this function while executing a " | |
523 | "remove listener: %!+t", trace); | |
8480c8cc | 524 | |
3602afb0 PP |
525 | /* Find the next available spot */ |
526 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 527 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 528 | g_array_index(trace->is_static_listeners, |
50842bdc | 529 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
530 | |
531 | if (!elem.func) { | |
532 | break; | |
533 | } | |
534 | } | |
535 | ||
536 | if (i == trace->is_static_listeners->len) { | |
537 | g_array_append_val(trace->is_static_listeners, new_elem); | |
538 | } else { | |
539 | g_array_insert_val(trace->is_static_listeners, i, new_elem); | |
540 | } | |
541 | ||
44c440bc PP |
542 | if (listener_id) { |
543 | *listener_id = i; | |
544 | } | |
3602afb0 | 545 | |
44c440bc PP |
546 | BT_LIB_LOGV("Added \"trace is static\" listener: " |
547 | "%![trace-]+t, listener-id=%" PRIu64, trace, i); | |
548 | return 0; | |
549 | } | |
550 | ||
551 | BT_ASSERT_PRE_FUNC | |
552 | static | |
553 | bool has_listener_id(struct bt_trace *trace, uint64_t listener_id) | |
554 | { | |
555 | BT_ASSERT(listener_id < trace->is_static_listeners->len); | |
556 | return (&g_array_index(trace->is_static_listeners, | |
557 | struct bt_trace_is_static_listener_elem, | |
558 | listener_id))->func != NULL; | |
3602afb0 PP |
559 | } |
560 | ||
50842bdc | 561 | int bt_trace_remove_is_static_listener( |
44c440bc | 562 | struct bt_trace *trace, uint64_t listener_id) |
3602afb0 | 563 | { |
50842bdc | 564 | struct bt_trace_is_static_listener_elem *elem; |
3602afb0 | 565 | |
44c440bc PP |
566 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
567 | BT_ASSERT_PRE(!trace->is_static, | |
568 | "Trace is already static: %!+t", trace); | |
569 | BT_ASSERT_PRE(trace->in_remove_listener, | |
570 | "Cannot call this function while executing a " | |
571 | "remove listener: %!+t", trace); | |
572 | BT_ASSERT_PRE(has_listener_id(trace, listener_id), | |
573 | "Trace has no such \"trace is static\" listener ID: " | |
574 | "%![trace-]+t, %" PRIu64, trace, listener_id); | |
3602afb0 | 575 | elem = &g_array_index(trace->is_static_listeners, |
50842bdc | 576 | struct bt_trace_is_static_listener_elem, |
3602afb0 | 577 | listener_id); |
44c440bc | 578 | BT_ASSERT(elem->func); |
3602afb0 | 579 | |
8480c8cc PP |
580 | if (elem->removed) { |
581 | /* Call remove listener */ | |
44c440bc PP |
582 | BT_LIB_LOGV("Calling remove listener: " |
583 | "%![trace-]+t, listener-id=%" PRIu64, | |
584 | trace, listener_id); | |
585 | trace->in_remove_listener = true; | |
8480c8cc | 586 | elem->removed(trace, elem->data); |
44c440bc | 587 | trace->in_remove_listener = false; |
8480c8cc PP |
588 | } |
589 | ||
3602afb0 | 590 | elem->func = NULL; |
8480c8cc | 591 | elem->removed = NULL; |
3602afb0 | 592 | elem->data = NULL; |
44c440bc PP |
593 | BT_LIB_LOGV("Removed \"trace is static\" listener: " |
594 | "%![trace-]+t, listener-id=%" PRIu64, | |
595 | trace, listener_id); | |
596 | return 0; | |
597 | } | |
3602afb0 | 598 | |
44c440bc PP |
599 | BT_HIDDEN |
600 | void _bt_trace_freeze(struct bt_trace *trace) | |
601 | { | |
5cd6d0e5 | 602 | /* The packet header field classe is already frozen */ |
44c440bc PP |
603 | BT_ASSERT(trace); |
604 | BT_LIB_LOGD("Freezing trace: %!+t", trace); | |
605 | trace->frozen = true; | |
5acf2ae6 | 606 | } |
312c056a | 607 | |
44c440bc | 608 | bt_bool bt_trace_assigns_automatic_stream_class_id(struct bt_trace *trace) |
312c056a | 609 | { |
44c440bc PP |
610 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
611 | return (bt_bool) trace->assigns_automatic_stream_class_id; | |
612 | } | |
312c056a | 613 | |
44c440bc PP |
614 | int bt_trace_set_assigns_automatic_stream_class_id( |
615 | struct bt_trace *trace, bt_bool value) | |
616 | { | |
312c056a | 617 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc PP |
618 | BT_ASSERT_PRE_TRACE_HOT(trace); |
619 | trace->assigns_automatic_stream_class_id = (bool) value; | |
620 | BT_LIB_LOGV("Set trace's automatic stream class ID " | |
621 | "assignment property: %!+t", trace); | |
622 | return 0; | |
623 | } | |
312c056a | 624 | |
44c440bc PP |
625 | BT_HIDDEN |
626 | void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream) | |
627 | { | |
628 | guint count = 0; | |
629 | ||
630 | bt_object_set_parent(&stream->base, &trace->base); | |
631 | g_ptr_array_add(trace->streams, stream); | |
cb6f1f7d | 632 | bt_trace_freeze(trace); |
312c056a | 633 | |
44c440bc PP |
634 | if (bt_g_hash_table_contains(trace->stream_classes_stream_count, |
635 | stream->class)) { | |
636 | count = GPOINTER_TO_UINT(g_hash_table_lookup( | |
637 | trace->stream_classes_stream_count, stream->class)); | |
312c056a PP |
638 | } |
639 | ||
44c440bc PP |
640 | g_hash_table_insert(trace->stream_classes_stream_count, |
641 | stream->class, GUINT_TO_POINTER(count + 1)); | |
642 | } | |
643 | ||
644 | BT_HIDDEN | |
645 | uint64_t bt_trace_get_automatic_stream_id(struct bt_trace *trace, | |
646 | struct bt_stream_class *stream_class) | |
647 | { | |
648 | gpointer orig_key; | |
649 | gpointer value; | |
650 | uint64_t id = 0; | |
651 | ||
652 | BT_ASSERT(stream_class); | |
653 | BT_ASSERT(trace); | |
654 | if (g_hash_table_lookup_extended(trace->stream_classes_stream_count, | |
655 | stream_class, &orig_key, &value)) { | |
656 | id = (uint64_t) GPOINTER_TO_UINT(value); | |
657 | } | |
658 | ||
659 | return id; | |
312c056a | 660 | } |