Commit | Line | Data |
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bc37ae52 | 1 | /* |
bc37ae52 JG |
2 | * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
3 | * | |
4 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
22 | * SOFTWARE. | |
23 | */ | |
24 | ||
e011d2c1 PP |
25 | #define BT_LOG_TAG "TRACE" |
26 | #include <babeltrace/lib-logging-internal.h> | |
27 | ||
3dca2276 | 28 | #include <babeltrace/assert-pre-internal.h> |
e5be10ef | 29 | #include <babeltrace/trace-ir/private-trace.h> |
56e18c4c PP |
30 | #include <babeltrace/trace-ir/trace-internal.h> |
31 | #include <babeltrace/trace-ir/clock-class-internal.h> | |
32 | #include <babeltrace/trace-ir/stream-internal.h> | |
33 | #include <babeltrace/trace-ir/stream-class-internal.h> | |
34 | #include <babeltrace/trace-ir/event-internal.h> | |
35 | #include <babeltrace/trace-ir/event-class.h> | |
36 | #include <babeltrace/trace-ir/event-class-internal.h> | |
bc37ae52 | 37 | #include <babeltrace/ctf-writer/functor-internal.h> |
ac0c6bdd | 38 | #include <babeltrace/ctf-writer/clock-internal.h> |
56e18c4c | 39 | #include <babeltrace/trace-ir/field-wrapper-internal.h> |
5cd6d0e5 | 40 | #include <babeltrace/trace-ir/field-classes-internal.h> |
56e18c4c PP |
41 | #include <babeltrace/trace-ir/attributes-internal.h> |
42 | #include <babeltrace/trace-ir/utils-internal.h> | |
43 | #include <babeltrace/trace-ir/resolve-field-path-internal.h> | |
3d9990ac | 44 | #include <babeltrace/compiler-internal.h> |
dac5c838 | 45 | #include <babeltrace/values.h> |
da91b29a | 46 | #include <babeltrace/private-values.h> |
95c09b3a | 47 | #include <babeltrace/values-internal.h> |
65300d60 | 48 | #include <babeltrace/object.h> |
c55a9f58 | 49 | #include <babeltrace/types.h> |
3d9990ac | 50 | #include <babeltrace/endian-internal.h> |
f6ccaed9 | 51 | #include <babeltrace/assert-internal.h> |
44c440bc | 52 | #include <babeltrace/compat/glib-internal.h> |
dc3fffef | 53 | #include <inttypes.h> |
544d0515 | 54 | #include <stdint.h> |
4a32fda0 | 55 | #include <string.h> |
0fbb9a9f | 56 | #include <stdlib.h> |
bc37ae52 | 57 | |
50842bdc | 58 | struct bt_trace_is_static_listener_elem { |
e5be10ef PP |
59 | bt_private_trace_is_static_listener func; |
60 | bt_private_trace_listener_removed removed; | |
3602afb0 PP |
61 | void *data; |
62 | }; | |
63 | ||
44c440bc PP |
64 | #define BT_ASSERT_PRE_TRACE_HOT(_trace) \ |
65 | BT_ASSERT_PRE_HOT((_trace), "Trace", ": %!+t", (_trace)) | |
cb6f1f7d | 66 | |
bc37ae52 | 67 | static |
44c440bc | 68 | void destroy_trace(struct bt_object *obj) |
3dca2276 PP |
69 | { |
70 | struct bt_trace *trace = (void *) obj; | |
bc37ae52 | 71 | |
44c440bc | 72 | BT_LIB_LOGD("Destroying trace object: %!+t", trace); |
bc37ae52 | 73 | |
3dca2276 PP |
74 | /* |
75 | * Call remove listeners first so that everything else still | |
76 | * exists in the trace. | |
77 | */ | |
78 | if (trace->is_static_listeners) { | |
79 | size_t i; | |
bc37ae52 | 80 | |
3dca2276 PP |
81 | for (i = 0; i < trace->is_static_listeners->len; i++) { |
82 | struct bt_trace_is_static_listener_elem elem = | |
83 | g_array_index(trace->is_static_listeners, | |
84 | struct bt_trace_is_static_listener_elem, i); | |
bc37ae52 | 85 | |
3dca2276 | 86 | if (elem.removed) { |
e5be10ef | 87 | elem.removed((void *) trace, elem.data); |
3dca2276 PP |
88 | } |
89 | } | |
90 | ||
91 | g_array_free(trace->is_static_listeners, TRUE); | |
bc37ae52 JG |
92 | } |
93 | ||
312c056a | 94 | bt_object_pool_finalize(&trace->packet_header_field_pool); |
3dca2276 | 95 | |
44c440bc PP |
96 | if (trace->environment) { |
97 | BT_LOGD_STR("Destroying environment attributes."); | |
98 | bt_attributes_destroy(trace->environment); | |
95c09b3a PP |
99 | } |
100 | ||
44c440bc PP |
101 | if (trace->name.str) { |
102 | g_string_free(trace->name.str, TRUE); | |
95c09b3a PP |
103 | } |
104 | ||
44c440bc PP |
105 | if (trace->streams) { |
106 | BT_LOGD_STR("Destroying streams."); | |
107 | g_ptr_array_free(trace->streams, TRUE); | |
bc37ae52 JG |
108 | } |
109 | ||
44c440bc PP |
110 | if (trace->stream_classes) { |
111 | BT_LOGD_STR("Destroying stream classes."); | |
112 | g_ptr_array_free(trace->stream_classes, TRUE); | |
7f800dc7 PP |
113 | } |
114 | ||
44c440bc PP |
115 | if (trace->stream_classes_stream_count) { |
116 | g_hash_table_destroy(trace->stream_classes_stream_count); | |
117 | } | |
3dca2276 | 118 | |
5cd6d0e5 | 119 | BT_LOGD_STR("Putting packet header field classe."); |
65300d60 | 120 | bt_object_put_ref(trace->packet_header_fc); |
44c440bc | 121 | g_free(trace); |
3dca2276 PP |
122 | } |
123 | ||
312c056a PP |
124 | static |
125 | void free_packet_header_field(struct bt_field_wrapper *field_wrapper, | |
126 | struct bt_trace *trace) | |
127 | { | |
128 | bt_field_wrapper_destroy(field_wrapper); | |
129 | } | |
130 | ||
e5be10ef | 131 | struct bt_private_trace *bt_private_trace_create(void) |
3dca2276 PP |
132 | { |
133 | struct bt_trace *trace = NULL; | |
134 | int ret; | |
135 | ||
44c440bc | 136 | BT_LOGD_STR("Creating default trace object."); |
3dca2276 PP |
137 | trace = g_new0(struct bt_trace, 1); |
138 | if (!trace) { | |
139 | BT_LOGE_STR("Failed to allocate one trace."); | |
140 | goto error; | |
141 | } | |
142 | ||
44c440bc PP |
143 | bt_object_init_shared_with_parent(&trace->base, destroy_trace); |
144 | trace->streams = g_ptr_array_new_with_free_func( | |
145 | (GDestroyNotify) bt_object_try_spec_release); | |
146 | if (!trace->streams) { | |
147 | BT_LOGE_STR("Failed to allocate one GPtrArray."); | |
3dca2276 PP |
148 | goto error; |
149 | } | |
150 | ||
44c440bc PP |
151 | trace->stream_classes = g_ptr_array_new_with_free_func( |
152 | (GDestroyNotify) bt_object_try_spec_release); | |
153 | if (!trace->stream_classes) { | |
95c09b3a | 154 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
9b888ff3 JG |
155 | goto error; |
156 | } | |
157 | ||
44c440bc PP |
158 | trace->stream_classes_stream_count = g_hash_table_new(g_direct_hash, |
159 | g_direct_equal); | |
160 | if (!trace->stream_classes_stream_count) { | |
161 | BT_LOGE_STR("Failed to allocate one GHashTable."); | |
162 | goto error; | |
163 | } | |
164 | ||
165 | trace->name.str = g_string_new(NULL); | |
166 | if (!trace->name.str) { | |
167 | BT_LOGE_STR("Failed to allocate one GString."); | |
168 | goto error; | |
169 | } | |
170 | ||
171 | trace->environment = bt_attributes_create(); | |
172 | if (!trace->environment) { | |
173 | BT_LOGE_STR("Cannot create empty attributes object."); | |
174 | goto error; | |
175 | } | |
176 | ||
3602afb0 | 177 | trace->is_static_listeners = g_array_new(FALSE, TRUE, |
50842bdc | 178 | sizeof(struct bt_trace_is_static_listener_elem)); |
3602afb0 PP |
179 | if (!trace->is_static_listeners) { |
180 | BT_LOGE_STR("Failed to allocate one GArray."); | |
181 | goto error; | |
182 | } | |
183 | ||
44c440bc | 184 | trace->assigns_automatic_stream_class_id = true; |
312c056a PP |
185 | ret = bt_object_pool_initialize(&trace->packet_header_field_pool, |
186 | (bt_object_pool_new_object_func) bt_field_wrapper_new, | |
187 | (bt_object_pool_destroy_object_func) free_packet_header_field, | |
188 | trace); | |
189 | if (ret) { | |
190 | BT_LOGE("Failed to initialize packet header field pool: ret=%d", | |
191 | ret); | |
192 | goto error; | |
193 | } | |
194 | ||
44c440bc PP |
195 | BT_LIB_LOGD("Created trace object: %!+t", trace); |
196 | goto end; | |
bc37ae52 | 197 | |
bc37ae52 | 198 | error: |
65300d60 | 199 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
44c440bc PP |
200 | |
201 | end: | |
e5be10ef | 202 | return (void *) trace; |
bc37ae52 JG |
203 | } |
204 | ||
50842bdc | 205 | const char *bt_trace_get_name(struct bt_trace *trace) |
e96045d4 | 206 | { |
cb6f1f7d | 207 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 208 | return trace->name.value; |
e96045d4 JG |
209 | } |
210 | ||
e5be10ef PP |
211 | int bt_private_trace_set_name(struct bt_private_trace *priv_trace, |
212 | const char *name) | |
e96045d4 | 213 | { |
e5be10ef PP |
214 | struct bt_trace *trace = (void *) priv_trace; |
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 | ||
140e6d94 PP |
231 | void bt_private_trace_set_uuid(struct bt_private_trace *priv_trace, |
232 | bt_uuid uuid) | |
4a32fda0 | 233 | { |
e5be10ef PP |
234 | struct bt_trace *trace = (void *) priv_trace; |
235 | ||
44c440bc PP |
236 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
237 | BT_ASSERT_PRE_NON_NULL(uuid, "UUID"); | |
238 | BT_ASSERT_PRE_TRACE_HOT(trace); | |
239 | memcpy(trace->uuid.uuid, uuid, BABELTRACE_UUID_LEN); | |
240 | trace->uuid.value = trace->uuid.uuid; | |
241 | BT_LIB_LOGV("Set trace's UUID: %!+t", trace); | |
4a32fda0 PP |
242 | } |
243 | ||
44c440bc PP |
244 | BT_ASSERT_FUNC |
245 | static | |
246 | bool trace_has_environment_entry(struct bt_trace *trace, const char *name) | |
bc37ae52 | 247 | { |
44c440bc | 248 | BT_ASSERT(trace); |
95c09b3a | 249 | |
da91b29a PP |
250 | return bt_attributes_borrow_field_value_by_name( |
251 | trace->environment, name) != NULL; | |
44c440bc | 252 | } |
a0d12916 | 253 | |
44c440bc PP |
254 | static |
255 | int set_environment_entry(struct bt_trace *trace, const char *name, | |
da91b29a | 256 | struct bt_private_value *value) |
44c440bc PP |
257 | { |
258 | int ret; | |
a0d12916 | 259 | |
44c440bc PP |
260 | BT_ASSERT(trace); |
261 | BT_ASSERT(name); | |
262 | BT_ASSERT(value); | |
263 | BT_ASSERT_PRE(!trace->frozen || | |
264 | !trace_has_environment_entry(trace, name), | |
265 | "Trace is frozen: cannot replace environment entry: " | |
266 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
50842bdc | 267 | ret = bt_attributes_set_field_value(trace->environment, name, |
7f800dc7 | 268 | value); |
d94d92ac | 269 | bt_value_freeze(bt_private_value_borrow_value(value)); |
95c09b3a | 270 | if (ret) { |
44c440bc PP |
271 | BT_LIB_LOGE("Cannot set trace's environment entry: " |
272 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
95c09b3a | 273 | } else { |
44c440bc PP |
274 | BT_LIB_LOGV("Set trace's environment entry: " |
275 | "%![trace-]+t, entry-name=\"%s\"", trace, name); | |
95c09b3a | 276 | } |
bc37ae52 | 277 | |
7f800dc7 PP |
278 | return ret; |
279 | } | |
bc37ae52 | 280 | |
28e6ca8b | 281 | int bt_private_trace_set_environment_entry_string( |
e5be10ef | 282 | struct bt_private_trace *priv_trace, |
7f800dc7 PP |
283 | const char *name, const char *value) |
284 | { | |
44c440bc | 285 | int ret; |
da91b29a | 286 | struct bt_private_value *value_obj; |
e5be10ef | 287 | struct bt_trace *trace = (void *) priv_trace; |
bc37ae52 | 288 | |
44c440bc PP |
289 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
290 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
291 | BT_ASSERT_PRE_NON_NULL(value, "Value"); | |
da91b29a | 292 | value_obj = bt_private_value_string_create_init(value); |
44c440bc PP |
293 | if (!value_obj) { |
294 | BT_LOGE_STR("Cannot create a string value object."); | |
7f800dc7 PP |
295 | ret = -1; |
296 | goto end; | |
bc37ae52 JG |
297 | } |
298 | ||
44c440bc PP |
299 | /* set_environment_entry() logs errors */ |
300 | ret = set_environment_entry(trace, name, value_obj); | |
7f800dc7 PP |
301 | |
302 | end: | |
65300d60 | 303 | bt_object_put_ref(value_obj); |
3487c9f3 JG |
304 | return ret; |
305 | } | |
306 | ||
28e6ca8b | 307 | int bt_private_trace_set_environment_entry_integer( |
e5be10ef PP |
308 | struct bt_private_trace *priv_trace, |
309 | const char *name, int64_t value) | |
3487c9f3 | 310 | { |
44c440bc | 311 | int ret; |
da91b29a | 312 | struct bt_private_value *value_obj; |
e5be10ef | 313 | struct bt_trace *trace = (void *) priv_trace; |
3487c9f3 | 314 | |
44c440bc PP |
315 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
316 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
da91b29a | 317 | value_obj = bt_private_value_integer_create_init(value); |
44c440bc PP |
318 | if (!value_obj) { |
319 | BT_LOGE_STR("Cannot create an integer value object."); | |
3487c9f3 | 320 | ret = -1; |
7f800dc7 | 321 | goto end; |
3487c9f3 JG |
322 | } |
323 | ||
44c440bc PP |
324 | /* set_environment_entry() logs errors */ |
325 | ret = set_environment_entry(trace, name, value_obj); | |
95c09b3a | 326 | |
7f800dc7 | 327 | end: |
65300d60 | 328 | bt_object_put_ref(value_obj); |
bc37ae52 JG |
329 | return ret; |
330 | } | |
331 | ||
44c440bc | 332 | uint64_t bt_trace_get_environment_entry_count(struct bt_trace *trace) |
3dca2276 | 333 | { |
cb6f1f7d PP |
334 | int64_t ret; |
335 | ||
336 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
337 | ret = bt_attributes_get_count(trace->environment); | |
338 | BT_ASSERT(ret >= 0); | |
44c440bc | 339 | return (uint64_t) ret; |
e6fa2160 JG |
340 | } |
341 | ||
44c440bc PP |
342 | void bt_trace_borrow_environment_entry_by_index( |
343 | struct bt_trace *trace, uint64_t index, | |
344 | const char **name, struct bt_value **value) | |
e6fa2160 | 345 | { |
cb6f1f7d | 346 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc PP |
347 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
348 | BT_ASSERT_PRE_NON_NULL(value, "Value"); | |
349 | BT_ASSERT_PRE_VALID_INDEX(index, | |
350 | bt_attributes_get_count(trace->environment)); | |
d94d92ac | 351 | *value = bt_private_value_borrow_value( |
da91b29a | 352 | bt_attributes_borrow_field_value(trace->environment, index)); |
44c440bc PP |
353 | BT_ASSERT(*value); |
354 | *name = bt_attributes_get_field_name(trace->environment, index); | |
355 | BT_ASSERT(*name); | |
e6fa2160 JG |
356 | } |
357 | ||
28e6ca8b | 358 | void bt_private_trace_borrow_environment_entry_by_index( |
e5be10ef PP |
359 | struct bt_private_trace *trace, uint64_t index, |
360 | const char **name, struct bt_private_value **value) | |
361 | { | |
362 | bt_trace_borrow_environment_entry_by_index((void *) trace, | |
363 | index, name, (void *) value); | |
364 | } | |
365 | ||
44c440bc | 366 | struct bt_value *bt_trace_borrow_environment_entry_value_by_name( |
50842bdc | 367 | struct bt_trace *trace, const char *name) |
e6fa2160 | 368 | { |
cb6f1f7d PP |
369 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
370 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
d94d92ac | 371 | return bt_private_value_borrow_value( |
da91b29a PP |
372 | bt_attributes_borrow_field_value_by_name(trace->environment, |
373 | name)); | |
e6fa2160 JG |
374 | } |
375 | ||
e5be10ef | 376 | struct bt_private_value * |
28e6ca8b | 377 | bt_private_trace_borrow_environment_entry_value_by_name( |
e5be10ef PP |
378 | struct bt_private_trace *trace, const char *name) |
379 | { | |
380 | return (void *) bt_trace_borrow_environment_entry_value_by_name( | |
381 | (void *) trace, name); | |
382 | } | |
383 | ||
44c440bc | 384 | uint64_t bt_trace_get_stream_count(struct bt_trace *trace) |
bc37ae52 | 385 | { |
44c440bc PP |
386 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
387 | return (uint64_t) trace->streams->len; | |
388 | } | |
95c09b3a | 389 | |
44c440bc PP |
390 | struct bt_stream *bt_trace_borrow_stream_by_index( |
391 | struct bt_trace *trace, uint64_t index) | |
392 | { | |
393 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
394 | BT_ASSERT_PRE_VALID_INDEX(index, trace->streams->len); | |
395 | return g_ptr_array_index(trace->streams, index); | |
396 | } | |
cb6f1f7d | 397 | |
28e6ca8b | 398 | struct bt_private_stream *bt_private_trace_borrow_stream_by_index( |
e5be10ef PP |
399 | struct bt_private_trace *trace, uint64_t index) |
400 | { | |
401 | return (void *) bt_trace_borrow_stream_by_index((void *) trace, index); | |
402 | } | |
403 | ||
44c440bc PP |
404 | struct bt_stream *bt_trace_borrow_stream_by_id( |
405 | struct bt_trace *trace, uint64_t id) | |
406 | { | |
407 | struct bt_stream *stream = NULL; | |
408 | uint64_t i; | |
bc37ae52 | 409 | |
44c440bc | 410 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
bc37ae52 | 411 | |
44c440bc PP |
412 | for (i = 0; i < trace->streams->len; i++) { |
413 | struct bt_stream *stream_candidate = | |
414 | g_ptr_array_index(trace->streams, i); | |
cfeb617e | 415 | |
44c440bc PP |
416 | if (stream_candidate->id == id) { |
417 | stream = stream_candidate; | |
418 | goto end; | |
419 | } | |
6474e016 | 420 | } |
95c09b3a | 421 | |
bc37ae52 | 422 | end: |
44c440bc | 423 | return stream; |
bc37ae52 JG |
424 | } |
425 | ||
e5be10ef PP |
426 | struct bt_private_stream *bt_private_trace_borrow_private_stream_by_id( |
427 | struct bt_private_trace *trace, uint64_t id) | |
428 | { | |
429 | return (void *) bt_trace_borrow_stream_by_id((void *) trace, id); | |
430 | } | |
431 | ||
44c440bc | 432 | uint64_t bt_trace_get_stream_class_count(struct bt_trace *trace) |
884cd6c3 | 433 | { |
cb6f1f7d | 434 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 435 | return (uint64_t) trace->stream_classes->len; |
884cd6c3 JG |
436 | } |
437 | ||
44c440bc | 438 | struct bt_stream_class *bt_trace_borrow_stream_class_by_index( |
50842bdc | 439 | struct bt_trace *trace, uint64_t index) |
884cd6c3 | 440 | { |
cb6f1f7d | 441 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc PP |
442 | BT_ASSERT_PRE_VALID_INDEX(index, trace->stream_classes->len); |
443 | return g_ptr_array_index(trace->stream_classes, index); | |
884cd6c3 JG |
444 | } |
445 | ||
e5be10ef | 446 | struct bt_private_stream_class * |
28e6ca8b | 447 | bt_private_trace_borrow_stream_class_by_index( |
e5be10ef PP |
448 | struct bt_private_trace *trace, uint64_t index) |
449 | { | |
450 | return (void *) bt_trace_borrow_stream_class_by_index( | |
451 | (void *) trace, index); | |
452 | } | |
453 | ||
44c440bc PP |
454 | struct bt_stream_class *bt_trace_borrow_stream_class_by_id( |
455 | struct bt_trace *trace, uint64_t id) | |
e011d2c1 | 456 | { |
44c440bc PP |
457 | struct bt_stream_class *stream_class = NULL; |
458 | uint64_t i; | |
e011d2c1 | 459 | |
44c440bc | 460 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
e011d2c1 | 461 | |
44c440bc PP |
462 | for (i = 0; i < trace->stream_classes->len; i++) { |
463 | struct bt_stream_class *stream_class_candidate = | |
464 | g_ptr_array_index(trace->stream_classes, i); | |
e011d2c1 | 465 | |
44c440bc PP |
466 | if (stream_class_candidate->id == id) { |
467 | stream_class = stream_class_candidate; | |
468 | goto end; | |
e011d2c1 | 469 | } |
44c440bc | 470 | } |
e011d2c1 | 471 | |
44c440bc PP |
472 | end: |
473 | return stream_class; | |
474 | } | |
e011d2c1 | 475 | |
e5be10ef | 476 | struct bt_private_stream_class * |
28e6ca8b | 477 | bt_private_trace_borrow_stream_class_by_id( |
e5be10ef PP |
478 | struct bt_private_trace *trace, uint64_t id) |
479 | { | |
480 | return (void *) bt_trace_borrow_stream_class_by_id((void *) trace, id); | |
481 | } | |
482 | ||
5cd6d0e5 | 483 | struct bt_field_class *bt_trace_borrow_packet_header_field_class( |
44c440bc PP |
484 | struct bt_trace *trace) |
485 | { | |
486 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); | |
5cd6d0e5 | 487 | return trace->packet_header_fc; |
44c440bc | 488 | } |
e011d2c1 | 489 | |
28e6ca8b | 490 | int bt_private_trace_set_packet_header_field_class( |
e5be10ef PP |
491 | struct bt_private_trace *priv_trace, |
492 | struct bt_private_field_class *priv_field_class) | |
44c440bc PP |
493 | { |
494 | int ret; | |
e5be10ef PP |
495 | struct bt_trace *trace = (void *) priv_trace; |
496 | struct bt_field_class *field_class = (void *) priv_field_class; | |
44c440bc | 497 | struct bt_resolve_field_path_context resolve_ctx = { |
5cd6d0e5 | 498 | .packet_header = field_class, |
44c440bc PP |
499 | .packet_context = NULL, |
500 | .event_header = NULL, | |
501 | .event_common_context = NULL, | |
502 | .event_specific_context = NULL, | |
503 | .event_payload = NULL, | |
504 | }; | |
e011d2c1 | 505 | |
44c440bc | 506 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
5cd6d0e5 | 507 | BT_ASSERT_PRE_NON_NULL(field_class, "Field class"); |
44c440bc | 508 | BT_ASSERT_PRE_TRACE_HOT(trace); |
864cad70 PP |
509 | BT_ASSERT_PRE(bt_field_class_get_type(field_class) == |
510 | BT_FIELD_CLASS_TYPE_STRUCTURE, | |
5cd6d0e5 PP |
511 | "Packet header field classe is not a structure field classe: %!+F", |
512 | field_class); | |
513 | ret = bt_resolve_field_paths(field_class, &resolve_ctx); | |
44c440bc PP |
514 | if (ret) { |
515 | goto end; | |
e011d2c1 PP |
516 | } |
517 | ||
5cd6d0e5 | 518 | bt_field_class_make_part_of_trace(field_class); |
65300d60 PP |
519 | bt_object_put_ref(trace->packet_header_fc); |
520 | trace->packet_header_fc = bt_object_get_ref(field_class); | |
5cd6d0e5 PP |
521 | bt_field_class_freeze(field_class); |
522 | BT_LIB_LOGV("Set trace's packet header field classe: %!+t", trace); | |
e011d2c1 | 523 | |
8bf65fbd JG |
524 | end: |
525 | return ret; | |
526 | } | |
527 | ||
50842bdc | 528 | bt_bool bt_trace_is_static(struct bt_trace *trace) |
5acf2ae6 | 529 | { |
d975f66c | 530 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc | 531 | return (bt_bool) trace->is_static; |
5acf2ae6 PP |
532 | } |
533 | ||
e5be10ef | 534 | int bt_private_trace_make_static(struct bt_private_trace *priv_trace) |
5acf2ae6 | 535 | { |
e5be10ef | 536 | struct bt_trace *trace = (void *) priv_trace; |
44c440bc | 537 | uint64_t i; |
726106d3 | 538 | |
44c440bc PP |
539 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
540 | trace->is_static = true; | |
cb6f1f7d | 541 | bt_trace_freeze(trace); |
44c440bc | 542 | BT_LIB_LOGV("Trace is now static: %!+t", trace); |
5acf2ae6 | 543 | |
3602afb0 PP |
544 | /* Call all the "trace is static" listeners */ |
545 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 546 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 547 | g_array_index(trace->is_static_listeners, |
50842bdc | 548 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
549 | |
550 | if (elem.func) { | |
e5be10ef | 551 | elem.func((void *) trace, elem.data); |
3602afb0 PP |
552 | } |
553 | } | |
554 | ||
44c440bc | 555 | return 0; |
3602afb0 PP |
556 | } |
557 | ||
e5be10ef PP |
558 | int bt_private_trace_add_is_static_listener( |
559 | struct bt_private_trace *priv_trace, | |
560 | bt_private_trace_is_static_listener listener, | |
561 | bt_private_trace_listener_removed listener_removed, void *data, | |
44c440bc | 562 | uint64_t *listener_id) |
3602afb0 | 563 | { |
e5be10ef | 564 | struct bt_trace *trace = (void *) priv_trace; |
44c440bc | 565 | uint64_t i; |
50842bdc | 566 | struct bt_trace_is_static_listener_elem new_elem = { |
3602afb0 | 567 | .func = listener, |
8480c8cc | 568 | .removed = listener_removed, |
3602afb0 PP |
569 | .data = data, |
570 | }; | |
571 | ||
44c440bc PP |
572 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
573 | BT_ASSERT_PRE_NON_NULL(listener, "Listener"); | |
574 | BT_ASSERT_PRE(!trace->is_static, | |
575 | "Trace is already static: %!+t", trace); | |
576 | BT_ASSERT_PRE(trace->in_remove_listener, | |
577 | "Cannot call this function while executing a " | |
578 | "remove listener: %!+t", trace); | |
8480c8cc | 579 | |
3602afb0 PP |
580 | /* Find the next available spot */ |
581 | for (i = 0; i < trace->is_static_listeners->len; i++) { | |
50842bdc | 582 | struct bt_trace_is_static_listener_elem elem = |
3602afb0 | 583 | g_array_index(trace->is_static_listeners, |
50842bdc | 584 | struct bt_trace_is_static_listener_elem, i); |
3602afb0 PP |
585 | |
586 | if (!elem.func) { | |
587 | break; | |
588 | } | |
589 | } | |
590 | ||
591 | if (i == trace->is_static_listeners->len) { | |
592 | g_array_append_val(trace->is_static_listeners, new_elem); | |
593 | } else { | |
594 | g_array_insert_val(trace->is_static_listeners, i, new_elem); | |
595 | } | |
596 | ||
44c440bc PP |
597 | if (listener_id) { |
598 | *listener_id = i; | |
599 | } | |
3602afb0 | 600 | |
44c440bc PP |
601 | BT_LIB_LOGV("Added \"trace is static\" listener: " |
602 | "%![trace-]+t, listener-id=%" PRIu64, trace, i); | |
603 | return 0; | |
604 | } | |
605 | ||
606 | BT_ASSERT_PRE_FUNC | |
607 | static | |
608 | bool has_listener_id(struct bt_trace *trace, uint64_t listener_id) | |
609 | { | |
610 | BT_ASSERT(listener_id < trace->is_static_listeners->len); | |
611 | return (&g_array_index(trace->is_static_listeners, | |
612 | struct bt_trace_is_static_listener_elem, | |
613 | listener_id))->func != NULL; | |
3602afb0 PP |
614 | } |
615 | ||
e5be10ef PP |
616 | int bt_private_trace_remove_is_static_listener( |
617 | struct bt_private_trace *priv_trace, uint64_t listener_id) | |
3602afb0 | 618 | { |
e5be10ef | 619 | struct bt_trace *trace = (void *) priv_trace; |
50842bdc | 620 | struct bt_trace_is_static_listener_elem *elem; |
3602afb0 | 621 | |
44c440bc PP |
622 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
623 | BT_ASSERT_PRE(!trace->is_static, | |
624 | "Trace is already static: %!+t", trace); | |
625 | BT_ASSERT_PRE(trace->in_remove_listener, | |
626 | "Cannot call this function while executing a " | |
627 | "remove listener: %!+t", trace); | |
628 | BT_ASSERT_PRE(has_listener_id(trace, listener_id), | |
629 | "Trace has no such \"trace is static\" listener ID: " | |
630 | "%![trace-]+t, %" PRIu64, trace, listener_id); | |
3602afb0 | 631 | elem = &g_array_index(trace->is_static_listeners, |
50842bdc | 632 | struct bt_trace_is_static_listener_elem, |
3602afb0 | 633 | listener_id); |
44c440bc | 634 | BT_ASSERT(elem->func); |
3602afb0 | 635 | |
8480c8cc PP |
636 | if (elem->removed) { |
637 | /* Call remove listener */ | |
44c440bc PP |
638 | BT_LIB_LOGV("Calling remove listener: " |
639 | "%![trace-]+t, listener-id=%" PRIu64, | |
640 | trace, listener_id); | |
641 | trace->in_remove_listener = true; | |
e5be10ef | 642 | elem->removed((void *) trace, elem->data); |
44c440bc | 643 | trace->in_remove_listener = false; |
8480c8cc PP |
644 | } |
645 | ||
3602afb0 | 646 | elem->func = NULL; |
8480c8cc | 647 | elem->removed = NULL; |
3602afb0 | 648 | elem->data = NULL; |
44c440bc PP |
649 | BT_LIB_LOGV("Removed \"trace is static\" listener: " |
650 | "%![trace-]+t, listener-id=%" PRIu64, | |
651 | trace, listener_id); | |
652 | return 0; | |
653 | } | |
3602afb0 | 654 | |
44c440bc PP |
655 | BT_HIDDEN |
656 | void _bt_trace_freeze(struct bt_trace *trace) | |
657 | { | |
5cd6d0e5 | 658 | /* The packet header field classe is already frozen */ |
44c440bc PP |
659 | BT_ASSERT(trace); |
660 | BT_LIB_LOGD("Freezing trace: %!+t", trace); | |
661 | trace->frozen = true; | |
5acf2ae6 | 662 | } |
312c056a | 663 | |
44c440bc | 664 | bt_bool bt_trace_assigns_automatic_stream_class_id(struct bt_trace *trace) |
312c056a | 665 | { |
44c440bc PP |
666 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
667 | return (bt_bool) trace->assigns_automatic_stream_class_id; | |
668 | } | |
312c056a | 669 | |
140e6d94 | 670 | void bt_private_trace_set_assigns_automatic_stream_class_id( |
e5be10ef | 671 | struct bt_private_trace *priv_trace, bt_bool value) |
44c440bc | 672 | { |
e5be10ef PP |
673 | struct bt_trace *trace = (void *) priv_trace; |
674 | ||
312c056a | 675 | BT_ASSERT_PRE_NON_NULL(trace, "Trace"); |
44c440bc PP |
676 | BT_ASSERT_PRE_TRACE_HOT(trace); |
677 | trace->assigns_automatic_stream_class_id = (bool) value; | |
678 | BT_LIB_LOGV("Set trace's automatic stream class ID " | |
679 | "assignment property: %!+t", trace); | |
44c440bc | 680 | } |
312c056a | 681 | |
44c440bc PP |
682 | BT_HIDDEN |
683 | void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream) | |
684 | { | |
685 | guint count = 0; | |
686 | ||
687 | bt_object_set_parent(&stream->base, &trace->base); | |
688 | g_ptr_array_add(trace->streams, stream); | |
cb6f1f7d | 689 | bt_trace_freeze(trace); |
312c056a | 690 | |
44c440bc PP |
691 | if (bt_g_hash_table_contains(trace->stream_classes_stream_count, |
692 | stream->class)) { | |
693 | count = GPOINTER_TO_UINT(g_hash_table_lookup( | |
694 | trace->stream_classes_stream_count, stream->class)); | |
312c056a PP |
695 | } |
696 | ||
44c440bc PP |
697 | g_hash_table_insert(trace->stream_classes_stream_count, |
698 | stream->class, GUINT_TO_POINTER(count + 1)); | |
699 | } | |
700 | ||
701 | BT_HIDDEN | |
702 | uint64_t bt_trace_get_automatic_stream_id(struct bt_trace *trace, | |
703 | struct bt_stream_class *stream_class) | |
704 | { | |
705 | gpointer orig_key; | |
706 | gpointer value; | |
707 | uint64_t id = 0; | |
708 | ||
709 | BT_ASSERT(stream_class); | |
710 | BT_ASSERT(trace); | |
711 | if (g_hash_table_lookup_extended(trace->stream_classes_stream_count, | |
712 | stream_class, &orig_key, &value)) { | |
713 | id = (uint64_t) GPOINTER_TO_UINT(value); | |
714 | } | |
715 | ||
716 | return id; | |
312c056a | 717 | } |