Commit | Line | Data |
---|---|---|
47e5a032 | 1 | /* |
e2f7325d | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
47e5a032 | 3 | * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
47e5a032 JG |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | * of this software and associated documentation files (the "Software"), to deal | |
7 | * in the Software without restriction, including without limitation the rights | |
8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | * copies of the Software, and to permit persons to whom the Software is | |
10 | * furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | */ | |
23 | ||
d6e69534 | 24 | #define BT_LOG_TAG "MSG-ITER" |
5af447e5 PP |
25 | #include <babeltrace/lib-logging-internal.h> |
26 | ||
3d9990ac | 27 | #include <babeltrace/compiler-internal.h> |
c6bd8523 | 28 | #include <babeltrace/trace-ir/field.h> |
40f4ba76 | 29 | #include <babeltrace/trace-ir/event-const.h> |
56e18c4c | 30 | #include <babeltrace/trace-ir/event-internal.h> |
40f4ba76 | 31 | #include <babeltrace/trace-ir/packet-const.h> |
56e18c4c PP |
32 | #include <babeltrace/trace-ir/packet-internal.h> |
33 | #include <babeltrace/trace-ir/stream-internal.h> | |
0d72b8c3 | 34 | #include <babeltrace/graph/connection-const.h> |
bd14d768 | 35 | #include <babeltrace/graph/connection-internal.h> |
0d72b8c3 | 36 | #include <babeltrace/graph/component-const.h> |
e5be10ef | 37 | #include <babeltrace/graph/component-internal.h> |
b2e0c907 PP |
38 | #include <babeltrace/graph/component-source-internal.h> |
39 | #include <babeltrace/graph/component-class-internal.h> | |
8ed535b5 | 40 | #include <babeltrace/graph/component-class-sink-colander-internal.h> |
0d72b8c3 | 41 | #include <babeltrace/graph/component-sink-const.h> |
7474e7d3 | 42 | #include <babeltrace/graph/component-sink-internal.h> |
d6e69534 | 43 | #include <babeltrace/graph/message-const.h> |
7474e7d3 | 44 | #include <babeltrace/graph/message-iterator-const.h> |
d6e69534 PP |
45 | #include <babeltrace/graph/message-iterator-internal.h> |
46 | #include <babeltrace/graph/self-component-port-input-message-iterator.h> | |
47 | #include <babeltrace/graph/port-output-message-iterator.h> | |
48 | #include <babeltrace/graph/message-internal.h> | |
49 | #include <babeltrace/graph/message-event-const.h> | |
50 | #include <babeltrace/graph/message-event-internal.h> | |
51 | #include <babeltrace/graph/message-packet-const.h> | |
52 | #include <babeltrace/graph/message-packet-internal.h> | |
53 | #include <babeltrace/graph/message-stream-const.h> | |
54 | #include <babeltrace/graph/message-stream-internal.h> | |
7474e7d3 | 55 | #include <babeltrace/graph/message-inactivity-internal.h> |
0d72b8c3 PP |
56 | #include <babeltrace/graph/port-const.h> |
57 | #include <babeltrace/graph/graph.h> | |
58 | #include <babeltrace/graph/graph-const.h> | |
8ed535b5 | 59 | #include <babeltrace/graph/graph-internal.h> |
c55a9f58 | 60 | #include <babeltrace/types.h> |
f6ccaed9 | 61 | #include <babeltrace/assert-internal.h> |
f42867e2 | 62 | #include <babeltrace/assert-pre-internal.h> |
fa054faf | 63 | #include <stdint.h> |
2ec84d26 | 64 | #include <inttypes.h> |
0fbb9a9f | 65 | #include <stdlib.h> |
3230ee6b | 66 | |
d4393e08 PP |
67 | /* |
68 | * TODO: Use graph's state (number of active iterators, etc.) and | |
69 | * possibly system specifications to make a better guess than this. | |
70 | */ | |
d6e69534 | 71 | #define MSG_BATCH_SIZE 15 |
d4393e08 | 72 | |
7474e7d3 PP |
73 | #define BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(_iter) \ |
74 | BT_ASSERT_PRE((_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE || \ | |
75 | (_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED || \ | |
76 | (_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN || \ | |
77 | (_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR, \ | |
78 | "Message iterator is in the wrong state: %!+i", _iter) | |
47e5a032 | 79 | |
d0fea130 PP |
80 | static inline |
81 | void _set_self_comp_port_input_msg_iterator_state( | |
82 | struct bt_self_component_port_input_message_iterator *iterator, | |
83 | enum bt_self_component_port_input_message_iterator_state state) | |
84 | { | |
85 | BT_ASSERT(iterator); | |
7474e7d3 | 86 | BT_LIB_LOGD("Updating message iterator's state: new-state=%s", |
d0fea130 PP |
87 | bt_self_component_port_input_message_iterator_state_string(state)); |
88 | iterator->state = state; | |
89 | } | |
90 | ||
91 | #ifdef BT_DEV_MODE | |
92 | # define set_self_comp_port_input_msg_iterator_state _set_self_comp_port_input_msg_iterator_state | |
93 | #else | |
94 | # define set_self_comp_port_input_msg_iterator_state(_a, _b) | |
95 | #endif | |
96 | ||
8ed535b5 | 97 | static |
d6e69534 | 98 | void destroy_base_message_iterator(struct bt_object *obj) |
8ed535b5 | 99 | { |
d6e69534 | 100 | struct bt_message_iterator *iterator = (void *) obj; |
d4393e08 PP |
101 | |
102 | BT_ASSERT(iterator); | |
103 | ||
d6e69534 PP |
104 | if (iterator->msgs) { |
105 | g_ptr_array_free(iterator->msgs, TRUE); | |
106 | iterator->msgs = NULL; | |
d4393e08 PP |
107 | } |
108 | ||
109 | g_free(iterator); | |
8ed535b5 PP |
110 | } |
111 | ||
47e5a032 | 112 | static |
d6e69534 | 113 | void bt_self_component_port_input_message_iterator_destroy(struct bt_object *obj) |
47e5a032 | 114 | { |
d6e69534 | 115 | struct bt_self_component_port_input_message_iterator *iterator; |
8738a040 | 116 | |
f6ccaed9 | 117 | BT_ASSERT(obj); |
d3eb6e8f | 118 | |
bd14d768 | 119 | /* |
d6e69534 | 120 | * The message iterator's reference count is 0 if we're |
bd14d768 PP |
121 | * here. Increment it to avoid a double-destroy (possibly |
122 | * infinitely recursive). This could happen for example if the | |
d6e69534 | 123 | * message iterator's finalization function does |
d94d92ac PP |
124 | * bt_object_get_ref() (or anything that causes |
125 | * bt_object_get_ref() to be called) on itself (ref. count goes | |
126 | * from 0 to 1), and then bt_object_put_ref(): the reference | |
127 | * count would go from 1 to 0 again and this function would be | |
128 | * called again. | |
bd14d768 | 129 | */ |
3fea54f6 | 130 | obj->ref_count++; |
07245ac2 | 131 | iterator = (void *) obj; |
d6e69534 | 132 | BT_LIB_LOGD("Destroying self component input port message iterator object: " |
d94d92ac | 133 | "%!+i", iterator); |
d0fea130 | 134 | bt_self_component_port_input_message_iterator_try_finalize(iterator); |
d3eb6e8f | 135 | |
bd14d768 PP |
136 | if (iterator->connection) { |
137 | /* | |
138 | * Remove ourself from the originating connection so | |
139 | * that it does not try to finalize a dangling pointer | |
140 | * later. | |
141 | */ | |
142 | bt_connection_remove_iterator(iterator->connection, iterator); | |
d94d92ac | 143 | iterator->connection = NULL; |
bd14d768 PP |
144 | } |
145 | ||
7474e7d3 PP |
146 | if (iterator->auto_seek_msgs) { |
147 | uint64_t i; | |
148 | ||
149 | /* Put any remaining message in the auto-seek array */ | |
150 | for (i = 0; i < iterator->auto_seek_msgs->len; i++) { | |
151 | if (iterator->auto_seek_msgs->pdata[i]) { | |
152 | bt_object_put_no_null_check( | |
153 | iterator->auto_seek_msgs->pdata[i]); | |
154 | } | |
155 | } | |
156 | ||
157 | g_ptr_array_free(iterator->auto_seek_msgs, TRUE); | |
158 | iterator->auto_seek_msgs = NULL; | |
159 | } | |
160 | ||
d6e69534 | 161 | destroy_base_message_iterator(obj); |
47e5a032 JG |
162 | } |
163 | ||
bd14d768 | 164 | BT_HIDDEN |
d0fea130 | 165 | void bt_self_component_port_input_message_iterator_try_finalize( |
d6e69534 | 166 | struct bt_self_component_port_input_message_iterator *iterator) |
bd14d768 | 167 | { |
d94d92ac PP |
168 | typedef void (*method_t)(void *); |
169 | ||
bd14d768 | 170 | struct bt_component_class *comp_class = NULL; |
d94d92ac | 171 | method_t method = NULL; |
bd14d768 | 172 | |
f6ccaed9 | 173 | BT_ASSERT(iterator); |
bd14d768 PP |
174 | |
175 | switch (iterator->state) { | |
d6e69534 | 176 | case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_NON_INITIALIZED: |
088d4023 | 177 | /* Skip user finalization if user initialization failed */ |
d6e69534 | 178 | BT_LIB_LOGD("Not finalizing non-initialized message iterator: " |
d94d92ac | 179 | "%!+i", iterator); |
d0fea130 | 180 | goto end; |
d6e69534 | 181 | case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED: |
bd14d768 | 182 | /* Already finalized */ |
d6e69534 | 183 | BT_LIB_LOGD("Not finalizing message iterator: already finalized: " |
d94d92ac | 184 | "%!+i", iterator); |
d0fea130 PP |
185 | goto end; |
186 | case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING: | |
187 | /* Already finalized */ | |
188 | BT_LIB_LOGF("Message iterator is already being finalized: " | |
189 | "%!+i", iterator); | |
190 | abort(); | |
bd14d768 PP |
191 | default: |
192 | break; | |
193 | } | |
194 | ||
d6e69534 | 195 | BT_LIB_LOGD("Finalizing message iterator: %!+i", iterator); |
d0fea130 PP |
196 | set_self_comp_port_input_msg_iterator_state(iterator, |
197 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING); | |
f6ccaed9 | 198 | BT_ASSERT(iterator->upstream_component); |
bd14d768 PP |
199 | comp_class = iterator->upstream_component->class; |
200 | ||
201 | /* Call user-defined destroy method */ | |
202 | switch (comp_class->type) { | |
203 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
204 | { | |
d94d92ac PP |
205 | struct bt_component_class_source *src_comp_cls = |
206 | (void *) comp_class; | |
bd14d768 | 207 | |
d6e69534 | 208 | method = (method_t) src_comp_cls->methods.msg_iter_finalize; |
bd14d768 PP |
209 | break; |
210 | } | |
211 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
212 | { | |
d94d92ac PP |
213 | struct bt_component_class_filter *flt_comp_cls = |
214 | (void *) comp_class; | |
bd14d768 | 215 | |
d6e69534 | 216 | method = (method_t) flt_comp_cls->methods.msg_iter_finalize; |
bd14d768 PP |
217 | break; |
218 | } | |
219 | default: | |
220 | /* Unreachable */ | |
0fbb9a9f | 221 | abort(); |
bd14d768 PP |
222 | } |
223 | ||
d94d92ac PP |
224 | if (method) { |
225 | BT_LIB_LOGD("Calling user's finalization method: %!+i", | |
5af447e5 | 226 | iterator); |
d94d92ac | 227 | method(iterator); |
bd14d768 PP |
228 | } |
229 | ||
bd14d768 PP |
230 | iterator->upstream_component = NULL; |
231 | iterator->upstream_port = NULL; | |
d0fea130 PP |
232 | set_self_comp_port_input_msg_iterator_state(iterator, |
233 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED); | |
d6e69534 | 234 | BT_LIB_LOGD("Finalized message iterator: %!+i", iterator); |
d0fea130 PP |
235 | |
236 | end: | |
237 | return; | |
bd14d768 PP |
238 | } |
239 | ||
240 | BT_HIDDEN | |
d6e69534 PP |
241 | void bt_self_component_port_input_message_iterator_set_connection( |
242 | struct bt_self_component_port_input_message_iterator *iterator, | |
bd14d768 PP |
243 | struct bt_connection *connection) |
244 | { | |
f6ccaed9 | 245 | BT_ASSERT(iterator); |
bd14d768 | 246 | iterator->connection = connection; |
d6e69534 | 247 | BT_LIB_LOGV("Set message iterator's connection: " |
d94d92ac | 248 | "%![iter-]+i, %![conn-]+x", iterator, connection); |
bd14d768 PP |
249 | } |
250 | ||
90157d89 | 251 | static |
d6e69534 PP |
252 | int init_message_iterator(struct bt_message_iterator *iterator, |
253 | enum bt_message_iterator_type type, | |
90157d89 PP |
254 | bt_object_release_func destroy) |
255 | { | |
d4393e08 PP |
256 | int ret = 0; |
257 | ||
3fea54f6 | 258 | bt_object_init_shared(&iterator->base, destroy); |
90157d89 | 259 | iterator->type = type; |
d6e69534 PP |
260 | iterator->msgs = g_ptr_array_new(); |
261 | if (!iterator->msgs) { | |
d4393e08 PP |
262 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
263 | ret = -1; | |
264 | goto end; | |
265 | } | |
266 | ||
d6e69534 | 267 | g_ptr_array_set_size(iterator->msgs, MSG_BATCH_SIZE); |
d4393e08 PP |
268 | |
269 | end: | |
270 | return ret; | |
90157d89 PP |
271 | } |
272 | ||
7474e7d3 PP |
273 | static |
274 | bt_bool can_seek_ns_from_origin_true( | |
275 | struct bt_self_component_port_input_message_iterator *iterator, | |
276 | int64_t ns_from_origin) | |
277 | { | |
278 | return BT_TRUE; | |
279 | } | |
280 | ||
281 | static | |
282 | bt_bool can_seek_beginning_true( | |
283 | struct bt_self_component_port_input_message_iterator *iterator) | |
284 | { | |
285 | return BT_TRUE; | |
286 | } | |
287 | ||
d94d92ac | 288 | static |
d6e69534 PP |
289 | struct bt_self_component_port_input_message_iterator * |
290 | bt_self_component_port_input_message_iterator_create_initial( | |
3230ee6b | 291 | struct bt_component *upstream_comp, |
d94d92ac | 292 | struct bt_port *upstream_port) |
47e5a032 | 293 | { |
d4393e08 | 294 | int ret; |
d6e69534 | 295 | struct bt_self_component_port_input_message_iterator *iterator = NULL; |
47e5a032 | 296 | |
f6ccaed9 PP |
297 | BT_ASSERT(upstream_comp); |
298 | BT_ASSERT(upstream_port); | |
f6ccaed9 | 299 | BT_ASSERT(bt_port_is_connected(upstream_port)); |
d6e69534 | 300 | BT_LIB_LOGD("Creating initial message iterator on self component input port: " |
d94d92ac PP |
301 | "%![up-comp-]+c, %![up-port-]+p", upstream_comp, upstream_port); |
302 | BT_ASSERT(bt_component_get_class_type(upstream_comp) == | |
303 | BT_COMPONENT_CLASS_TYPE_SOURCE || | |
304 | bt_component_get_class_type(upstream_comp) == | |
305 | BT_COMPONENT_CLASS_TYPE_FILTER); | |
306 | iterator = g_new0( | |
d6e69534 | 307 | struct bt_self_component_port_input_message_iterator, 1); |
47e5a032 | 308 | if (!iterator) { |
d94d92ac | 309 | BT_LOGE_STR("Failed to allocate one self component input port " |
d6e69534 | 310 | "message iterator."); |
73d5c1ad | 311 | goto end; |
47e5a032 JG |
312 | } |
313 | ||
d6e69534 PP |
314 | ret = init_message_iterator((void *) iterator, |
315 | BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT, | |
316 | bt_self_component_port_input_message_iterator_destroy); | |
d4393e08 | 317 | if (ret) { |
d6e69534 | 318 | /* init_message_iterator() logs errors */ |
d94d92ac | 319 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
d4393e08 PP |
320 | goto end; |
321 | } | |
3230ee6b | 322 | |
7474e7d3 PP |
323 | iterator->auto_seek_msgs = g_ptr_array_new(); |
324 | if (!iterator->auto_seek_msgs) { | |
325 | BT_LOGE_STR("Failed to allocate a GPtrArray."); | |
326 | ret = -1; | |
73d5c1ad | 327 | goto end; |
3230ee6b PP |
328 | } |
329 | ||
7474e7d3 | 330 | g_ptr_array_set_size(iterator->auto_seek_msgs, MSG_BATCH_SIZE); |
bd14d768 PP |
331 | iterator->upstream_component = upstream_comp; |
332 | iterator->upstream_port = upstream_port; | |
d94d92ac | 333 | iterator->connection = iterator->upstream_port->connection; |
5c563278 | 334 | iterator->graph = bt_component_borrow_graph(upstream_comp); |
d0fea130 PP |
335 | set_self_comp_port_input_msg_iterator_state(iterator, |
336 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_NON_INITIALIZED); | |
7474e7d3 PP |
337 | |
338 | switch (iterator->upstream_component->class->type) { | |
339 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
340 | { | |
341 | struct bt_component_class_source *src_comp_cls = | |
342 | (void *) iterator->upstream_component->class; | |
343 | ||
344 | iterator->methods.next = | |
345 | (bt_self_component_port_input_message_iterator_next_method) | |
346 | src_comp_cls->methods.msg_iter_next; | |
347 | iterator->methods.seek_ns_from_origin = | |
348 | (bt_self_component_port_input_message_iterator_seek_ns_from_origin_method) | |
349 | src_comp_cls->methods.msg_iter_seek_ns_from_origin; | |
350 | iterator->methods.seek_beginning = | |
351 | (bt_self_component_port_input_message_iterator_seek_beginning_method) | |
352 | src_comp_cls->methods.msg_iter_seek_beginning; | |
353 | iterator->methods.can_seek_ns_from_origin = | |
354 | (bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method) | |
355 | src_comp_cls->methods.msg_iter_can_seek_ns_from_origin; | |
356 | iterator->methods.can_seek_beginning = | |
357 | (bt_self_component_port_input_message_iterator_can_seek_beginning_method) | |
358 | src_comp_cls->methods.msg_iter_can_seek_beginning; | |
359 | break; | |
360 | } | |
361 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
362 | { | |
363 | struct bt_component_class_filter *flt_comp_cls = | |
364 | (void *) iterator->upstream_component->class; | |
365 | ||
366 | iterator->methods.next = | |
367 | (bt_self_component_port_input_message_iterator_next_method) | |
368 | flt_comp_cls->methods.msg_iter_next; | |
369 | iterator->methods.seek_ns_from_origin = | |
370 | (bt_self_component_port_input_message_iterator_seek_ns_from_origin_method) | |
371 | flt_comp_cls->methods.msg_iter_seek_ns_from_origin; | |
372 | iterator->methods.seek_beginning = | |
373 | (bt_self_component_port_input_message_iterator_seek_beginning_method) | |
374 | flt_comp_cls->methods.msg_iter_seek_beginning; | |
375 | iterator->methods.can_seek_ns_from_origin = | |
376 | (bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method) | |
377 | flt_comp_cls->methods.msg_iter_can_seek_ns_from_origin; | |
378 | iterator->methods.can_seek_beginning = | |
379 | (bt_self_component_port_input_message_iterator_can_seek_beginning_method) | |
380 | flt_comp_cls->methods.msg_iter_can_seek_beginning; | |
381 | break; | |
382 | } | |
383 | default: | |
384 | abort(); | |
385 | } | |
386 | ||
387 | if (iterator->methods.seek_ns_from_origin && | |
388 | !iterator->methods.can_seek_ns_from_origin) { | |
389 | iterator->methods.can_seek_ns_from_origin = | |
390 | (bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method) | |
391 | can_seek_ns_from_origin_true; | |
392 | } | |
393 | ||
394 | if (iterator->methods.seek_beginning && | |
395 | !iterator->methods.can_seek_beginning) { | |
396 | iterator->methods.can_seek_beginning = | |
397 | (bt_self_component_port_input_message_iterator_seek_beginning_method) | |
398 | can_seek_beginning_true; | |
399 | } | |
400 | ||
d6e69534 | 401 | BT_LIB_LOGD("Created initial message iterator on self component input port: " |
d94d92ac PP |
402 | "%![up-port-]+p, %![up-comp-]+c, %![iter-]+i", |
403 | upstream_port, upstream_comp, iterator); | |
3230ee6b | 404 | |
47e5a032 | 405 | end: |
d94d92ac | 406 | return iterator; |
47e5a032 JG |
407 | } |
408 | ||
d6e69534 PP |
409 | struct bt_self_component_port_input_message_iterator * |
410 | bt_self_component_port_input_message_iterator_create( | |
d94d92ac | 411 | struct bt_self_component_port_input *self_port) |
ea8d3e58 | 412 | { |
d6e69534 | 413 | typedef enum bt_self_message_iterator_status (*init_method_t)( |
d94d92ac PP |
414 | void *, void *, void *); |
415 | ||
416 | init_method_t init_method = NULL; | |
d6e69534 | 417 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac PP |
418 | NULL; |
419 | struct bt_port *port = (void *) self_port; | |
420 | struct bt_port *upstream_port; | |
421 | struct bt_component *comp; | |
422 | struct bt_component *upstream_comp; | |
423 | struct bt_component_class *upstream_comp_cls; | |
424 | ||
425 | BT_ASSERT_PRE_NON_NULL(port, "Port"); | |
0d72b8c3 | 426 | comp = bt_port_borrow_component_inline(port); |
d94d92ac PP |
427 | BT_ASSERT_PRE(bt_port_is_connected(port), |
428 | "Port is not connected: %![port-]+p", port); | |
429 | BT_ASSERT_PRE(comp, "Port is not part of a component: %![port-]+p", | |
430 | port); | |
431 | BT_ASSERT_PRE(!bt_component_graph_is_canceled(comp), | |
432 | "Port's component's graph is canceled: " | |
433 | "%![port-]+p, %![comp-]+c", port, comp); | |
434 | BT_ASSERT(port->connection); | |
435 | upstream_port = port->connection->upstream_port; | |
436 | BT_ASSERT(upstream_port); | |
0d72b8c3 | 437 | upstream_comp = bt_port_borrow_component_inline(upstream_port); |
d94d92ac PP |
438 | BT_ASSERT(upstream_comp); |
439 | upstream_comp_cls = upstream_comp->class; | |
440 | BT_ASSERT(upstream_comp->class->type == | |
441 | BT_COMPONENT_CLASS_TYPE_SOURCE || | |
442 | upstream_comp->class->type == | |
443 | BT_COMPONENT_CLASS_TYPE_FILTER); | |
d6e69534 | 444 | iterator = bt_self_component_port_input_message_iterator_create_initial( |
d94d92ac PP |
445 | upstream_comp, upstream_port); |
446 | if (!iterator) { | |
447 | BT_LOGW_STR("Cannot create self component input port " | |
d6e69534 | 448 | "message iterator."); |
d94d92ac PP |
449 | goto end; |
450 | } | |
890882ef | 451 | |
d94d92ac PP |
452 | switch (upstream_comp_cls->type) { |
453 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
454 | { | |
455 | struct bt_component_class_source *src_comp_cls = | |
456 | (void *) upstream_comp_cls; | |
457 | ||
458 | init_method = | |
d6e69534 | 459 | (init_method_t) src_comp_cls->methods.msg_iter_init; |
d94d92ac PP |
460 | break; |
461 | } | |
462 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
463 | { | |
464 | struct bt_component_class_filter *flt_comp_cls = | |
465 | (void *) upstream_comp_cls; | |
466 | ||
467 | init_method = | |
d6e69534 | 468 | (init_method_t) flt_comp_cls->methods.msg_iter_init; |
d94d92ac PP |
469 | break; |
470 | } | |
471 | default: | |
472 | /* Unreachable */ | |
473 | abort(); | |
474 | } | |
475 | ||
476 | if (init_method) { | |
477 | int iter_status; | |
478 | ||
479 | BT_LIB_LOGD("Calling user's initialization method: %!+i", iterator); | |
480 | iter_status = init_method(iterator, upstream_comp, | |
481 | upstream_port); | |
482 | BT_LOGD("User method returned: status=%s", | |
d6e69534 PP |
483 | bt_message_iterator_status_string(iter_status)); |
484 | if (iter_status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
d94d92ac | 485 | BT_LOGW_STR("Initialization method failed."); |
d0fea130 | 486 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
d94d92ac PP |
487 | goto end; |
488 | } | |
489 | } | |
490 | ||
d0fea130 PP |
491 | set_self_comp_port_input_msg_iterator_state(iterator, |
492 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
d94d92ac | 493 | g_ptr_array_add(port->connection->iterators, iterator); |
d6e69534 | 494 | BT_LIB_LOGD("Created message iterator on self component input port: " |
d94d92ac PP |
495 | "%![up-port-]+p, %![up-comp-]+c, %![iter-]+i", |
496 | upstream_port, upstream_comp, iterator); | |
497 | ||
498 | end: | |
499 | return iterator; | |
ea8d3e58 JG |
500 | } |
501 | ||
d6e69534 PP |
502 | void *bt_self_message_iterator_get_data( |
503 | const struct bt_self_message_iterator *self_iterator) | |
ea8d3e58 | 504 | { |
d6e69534 | 505 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac | 506 | (void *) self_iterator; |
ea8d3e58 | 507 | |
d6e69534 | 508 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 509 | return iterator->user_data; |
8738a040 | 510 | } |
413bc2c4 | 511 | |
d6e69534 PP |
512 | void bt_self_message_iterator_set_data( |
513 | struct bt_self_message_iterator *self_iterator, void *data) | |
5c563278 | 514 | { |
d6e69534 | 515 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac | 516 | (void *) self_iterator; |
5c563278 | 517 | |
d6e69534 | 518 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 519 | iterator->user_data = data; |
d6e69534 | 520 | BT_LIB_LOGV("Set message iterator's user data: " |
d94d92ac | 521 | "%!+i, user-data-addr=%p", iterator, data); |
5c563278 PP |
522 | } |
523 | ||
f42867e2 PP |
524 | BT_ASSERT_PRE_FUNC |
525 | static inline | |
d6e69534 | 526 | void bt_message_borrow_packet_stream(const struct bt_message *msg, |
40f4ba76 PP |
527 | const struct bt_stream **stream, |
528 | const struct bt_packet **packet) | |
fa054faf | 529 | { |
d6e69534 | 530 | BT_ASSERT(msg); |
fa054faf | 531 | |
d6e69534 PP |
532 | switch (msg->type) { |
533 | case BT_MESSAGE_TYPE_EVENT: | |
40f4ba76 | 534 | *packet = bt_event_borrow_packet_const( |
d6e69534 | 535 | bt_message_event_borrow_event_const(msg)); |
40f4ba76 | 536 | *stream = bt_packet_borrow_stream_const(*packet); |
fa054faf | 537 | break; |
d6e69534 PP |
538 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: |
539 | *stream = bt_message_stream_beginning_borrow_stream_const(msg); | |
fa054faf | 540 | break; |
d6e69534 PP |
541 | case BT_MESSAGE_TYPE_STREAM_END: |
542 | *stream = bt_message_stream_end_borrow_stream_const(msg); | |
fa054faf | 543 | break; |
d6e69534 PP |
544 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: |
545 | *packet = bt_message_packet_beginning_borrow_packet_const(msg); | |
40f4ba76 | 546 | *stream = bt_packet_borrow_stream_const(*packet); |
fa054faf | 547 | break; |
d6e69534 PP |
548 | case BT_MESSAGE_TYPE_PACKET_END: |
549 | *packet = bt_message_packet_end_borrow_packet_const(msg); | |
40f4ba76 | 550 | *stream = bt_packet_borrow_stream_const(*packet); |
2ec84d26 | 551 | break; |
fa054faf | 552 | default: |
f42867e2 | 553 | break; |
fa054faf | 554 | } |
fa054faf PP |
555 | } |
556 | ||
d6e69534 PP |
557 | enum bt_message_iterator_status |
558 | bt_self_component_port_input_message_iterator_next( | |
559 | struct bt_self_component_port_input_message_iterator *iterator, | |
560 | bt_message_array_const *msgs, uint64_t *user_count) | |
3230ee6b | 561 | { |
d6e69534 | 562 | int status = BT_MESSAGE_ITERATOR_STATUS_OK; |
d94d92ac | 563 | |
d6e69534 PP |
564 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
565 | BT_ASSERT_PRE_NON_NULL(msgs, "Message array (output)"); | |
566 | BT_ASSERT_PRE_NON_NULL(user_count, "Message count (output)"); | |
f42867e2 | 567 | BT_ASSERT_PRE(iterator->state == |
d6e69534 PP |
568 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE, |
569 | "Message iterator's \"next\" called, but " | |
7474e7d3 | 570 | "message iterator is in the wrong state: %!+i", iterator); |
f42867e2 PP |
571 | BT_ASSERT(iterator->upstream_component); |
572 | BT_ASSERT(iterator->upstream_component->class); | |
4725a201 PP |
573 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, |
574 | "Graph is not configured: %!+g", | |
575 | bt_component_borrow_graph(iterator->upstream_component)); | |
d94d92ac | 576 | BT_LIB_LOGD("Getting next self component input port " |
d6e69534 | 577 | "message iterator's messages: %!+i", iterator); |
d3eb6e8f | 578 | |
3230ee6b | 579 | /* |
d6e69534 | 580 | * Call the user's "next" method to get the next messages |
fa054faf | 581 | * and status. |
3230ee6b | 582 | */ |
7474e7d3 | 583 | BT_ASSERT(iterator->methods.next); |
f42867e2 | 584 | BT_LOGD_STR("Calling user's \"next\" method."); |
7474e7d3 PP |
585 | status = iterator->methods.next(iterator, |
586 | (void *) iterator->base.msgs->pdata, MSG_BATCH_SIZE, | |
587 | user_count); | |
f42867e2 | 588 | BT_LOGD("User method returned: status=%s", |
d6e69534 | 589 | bt_message_iterator_status_string(status)); |
d4393e08 | 590 | if (status < 0) { |
f42867e2 | 591 | BT_LOGW_STR("User method failed."); |
f42867e2 PP |
592 | goto end; |
593 | } | |
3230ee6b | 594 | |
d0fea130 PP |
595 | #ifdef BT_DEV_MODE |
596 | /* | |
597 | * There is no way that this iterator could have been finalized | |
598 | * during its "next" method, as the only way to do this is to | |
599 | * put the last iterator's reference, and this can only be done | |
600 | * by its downstream owner. | |
7474e7d3 PP |
601 | * |
602 | * For the same reason, there is no way that this iterator could | |
603 | * have seeked (cannot seek a self message iterator). | |
d0fea130 PP |
604 | */ |
605 | BT_ASSERT(iterator->state == | |
606 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
607 | #endif | |
8cf27cc5 | 608 | |
d4393e08 | 609 | switch (status) { |
d6e69534 | 610 | case BT_MESSAGE_ITERATOR_STATUS_OK: |
7474e7d3 PP |
611 | BT_ASSERT_PRE(*user_count <= MSG_BATCH_SIZE, |
612 | "Invalid returned message count: greater than " | |
613 | "batch size: count=%" PRIu64 ", batch-size=%u", | |
614 | *user_count, MSG_BATCH_SIZE); | |
d6e69534 | 615 | *msgs = (void *) iterator->base.msgs->pdata; |
d4393e08 | 616 | break; |
d6e69534 | 617 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: |
d4393e08 | 618 | goto end; |
d6e69534 | 619 | case BT_MESSAGE_ITERATOR_STATUS_END: |
d0fea130 PP |
620 | set_self_comp_port_input_msg_iterator_state(iterator, |
621 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED); | |
f42867e2 | 622 | goto end; |
f42867e2 PP |
623 | default: |
624 | /* Unknown non-error status */ | |
625 | abort(); | |
41a2b7ae PP |
626 | } |
627 | ||
628 | end: | |
3230ee6b PP |
629 | return status; |
630 | } | |
631 | ||
d0fea130 | 632 | enum bt_message_iterator_status bt_port_output_message_iterator_next( |
d6e69534 PP |
633 | struct bt_port_output_message_iterator *iterator, |
634 | bt_message_array_const *msgs_to_user, | |
d4393e08 | 635 | uint64_t *count_to_user) |
3230ee6b | 636 | { |
d6e69534 | 637 | enum bt_message_iterator_status status; |
07245ac2 | 638 | enum bt_graph_status graph_status; |
3230ee6b | 639 | |
d6e69534 PP |
640 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
641 | BT_ASSERT_PRE_NON_NULL(msgs_to_user, "Message array (output)"); | |
642 | BT_ASSERT_PRE_NON_NULL(count_to_user, "Message count (output)"); | |
643 | BT_LIB_LOGD("Getting next output port message iterator's messages: " | |
07245ac2 | 644 | "%!+i", iterator); |
d4393e08 | 645 | |
4725a201 PP |
646 | /* |
647 | * As soon as the user calls this function, we mark the graph as | |
648 | * being definitely configured. | |
649 | */ | |
650 | bt_graph_set_is_configured(iterator->graph, true); | |
651 | ||
d94d92ac PP |
652 | graph_status = bt_graph_consume_sink_no_check(iterator->graph, |
653 | iterator->colander); | |
07245ac2 PP |
654 | switch (graph_status) { |
655 | case BT_GRAPH_STATUS_CANCELED: | |
07245ac2 | 656 | case BT_GRAPH_STATUS_AGAIN: |
07245ac2 | 657 | case BT_GRAPH_STATUS_END: |
07245ac2 | 658 | case BT_GRAPH_STATUS_NOMEM: |
d94d92ac | 659 | status = (int) graph_status; |
07245ac2 PP |
660 | break; |
661 | case BT_GRAPH_STATUS_OK: | |
d6e69534 | 662 | status = BT_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
663 | |
664 | /* | |
d6e69534 | 665 | * On success, the colander sink moves the messages |
d4393e08 | 666 | * to this iterator's array and sets this iterator's |
d6e69534 | 667 | * message count: move them to the user. |
d4393e08 | 668 | */ |
d6e69534 | 669 | *msgs_to_user = (void *) iterator->base.msgs->pdata; |
d94d92ac | 670 | *count_to_user = iterator->count; |
90157d89 | 671 | break; |
90157d89 | 672 | default: |
07245ac2 | 673 | /* Other errors */ |
d6e69534 | 674 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; |
90157d89 | 675 | } |
3230ee6b | 676 | |
3230ee6b | 677 | return status; |
53d45b87 JG |
678 | } |
679 | ||
7474e7d3 PP |
680 | struct bt_component * |
681 | bt_self_component_port_input_message_iterator_borrow_component( | |
d6e69534 | 682 | struct bt_self_component_port_input_message_iterator *iterator) |
d94d92ac | 683 | { |
d6e69534 | 684 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac PP |
685 | return iterator->upstream_component; |
686 | } | |
687 | ||
7474e7d3 PP |
688 | const struct bt_component * |
689 | bt_self_component_port_input_message_iterator_borrow_component_const( | |
690 | const struct bt_self_component_port_input_message_iterator *iterator) | |
691 | { | |
692 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
693 | return iterator->upstream_component; | |
694 | } | |
695 | ||
d6e69534 PP |
696 | struct bt_self_component *bt_self_message_iterator_borrow_component( |
697 | struct bt_self_message_iterator *self_iterator) | |
413bc2c4 | 698 | { |
d6e69534 | 699 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac | 700 | (void *) self_iterator; |
90157d89 | 701 | |
d6e69534 | 702 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 703 | return (void *) iterator->upstream_component; |
413bc2c4 JG |
704 | } |
705 | ||
d6e69534 PP |
706 | struct bt_self_port_output *bt_self_message_iterator_borrow_port( |
707 | struct bt_self_message_iterator *self_iterator) | |
91457551 | 708 | { |
d6e69534 | 709 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac PP |
710 | (void *) self_iterator; |
711 | ||
d6e69534 | 712 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 713 | return (void *) iterator->upstream_port; |
91457551 | 714 | } |
8ed535b5 PP |
715 | |
716 | static | |
d6e69534 | 717 | void bt_port_output_message_iterator_destroy(struct bt_object *obj) |
8ed535b5 | 718 | { |
d6e69534 | 719 | struct bt_port_output_message_iterator *iterator = (void *) obj; |
8ed535b5 | 720 | |
d6e69534 | 721 | BT_LIB_LOGD("Destroying output port message iterator object: %!+i", |
8ed535b5 PP |
722 | iterator); |
723 | BT_LOGD_STR("Putting graph."); | |
d94d92ac | 724 | BT_OBJECT_PUT_REF_AND_RESET(iterator->graph); |
8ed535b5 | 725 | BT_LOGD_STR("Putting colander sink component."); |
d94d92ac | 726 | BT_OBJECT_PUT_REF_AND_RESET(iterator->colander); |
d6e69534 | 727 | destroy_base_message_iterator(obj); |
8ed535b5 PP |
728 | } |
729 | ||
d6e69534 | 730 | struct bt_port_output_message_iterator * |
7474e7d3 | 731 | bt_port_output_message_iterator_create(struct bt_graph *graph, |
0d72b8c3 | 732 | const struct bt_port_output *output_port) |
8ed535b5 | 733 | { |
d6e69534 | 734 | struct bt_port_output_message_iterator *iterator = NULL; |
d94d92ac | 735 | struct bt_component_class_sink *colander_comp_cls = NULL; |
8ed535b5 | 736 | struct bt_component *output_port_comp = NULL; |
d94d92ac | 737 | struct bt_component_sink *colander_comp; |
8ed535b5 | 738 | enum bt_graph_status graph_status; |
d94d92ac | 739 | struct bt_port_input *colander_in_port = NULL; |
8ed535b5 | 740 | struct bt_component_class_sink_colander_data colander_data; |
d4393e08 | 741 | int ret; |
8ed535b5 | 742 | |
d94d92ac | 743 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
f42867e2 | 744 | BT_ASSERT_PRE_NON_NULL(output_port, "Output port"); |
0d72b8c3 PP |
745 | output_port_comp = bt_port_borrow_component_inline( |
746 | (const void *) output_port); | |
f42867e2 PP |
747 | BT_ASSERT_PRE(output_port_comp, |
748 | "Output port has no component: %!+p", output_port); | |
d94d92ac PP |
749 | BT_ASSERT_PRE(bt_component_borrow_graph(output_port_comp) == |
750 | (void *) graph, | |
751 | "Output port is not part of graph: %![graph-]+g, %![port-]+p", | |
752 | graph, output_port); | |
8ed535b5 | 753 | |
d6e69534 PP |
754 | /* Create message iterator */ |
755 | BT_LIB_LOGD("Creating message iterator on output port: " | |
d94d92ac | 756 | "%![port-]+p, %![comp-]+c", output_port, output_port_comp); |
d6e69534 | 757 | iterator = g_new0(struct bt_port_output_message_iterator, 1); |
8ed535b5 | 758 | if (!iterator) { |
d6e69534 | 759 | BT_LOGE_STR("Failed to allocate one output port message iterator."); |
8ed535b5 PP |
760 | goto error; |
761 | } | |
762 | ||
d6e69534 PP |
763 | ret = init_message_iterator((void *) iterator, |
764 | BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT, | |
765 | bt_port_output_message_iterator_destroy); | |
d4393e08 | 766 | if (ret) { |
d6e69534 | 767 | /* init_message_iterator() logs errors */ |
65300d60 | 768 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
d4393e08 PP |
769 | goto end; |
770 | } | |
8ed535b5 PP |
771 | |
772 | /* Create colander component */ | |
773 | colander_comp_cls = bt_component_class_sink_colander_get(); | |
774 | if (!colander_comp_cls) { | |
775 | BT_LOGW("Cannot get colander sink component class."); | |
776 | goto error; | |
777 | } | |
778 | ||
398454ed PP |
779 | iterator->graph = graph; |
780 | bt_object_get_no_null_check(iterator->graph); | |
d6e69534 | 781 | colander_data.msgs = (void *) iterator->base.msgs->pdata; |
d4393e08 | 782 | colander_data.count_addr = &iterator->count; |
5fd91d88 PP |
783 | |
784 | /* Hope that nobody uses this very unique name */ | |
d94d92ac | 785 | graph_status = |
0d72b8c3 | 786 | bt_graph_add_sink_component_with_init_method_data( |
5fd91d88 PP |
787 | (void *) graph, colander_comp_cls, |
788 | "colander-36ac3409-b1a8-4d60-ab1f-4fdf341a8fb1", | |
0d72b8c3 | 789 | NULL, &colander_data, (void *) &iterator->colander); |
8ed535b5 | 790 | if (graph_status != BT_GRAPH_STATUS_OK) { |
d94d92ac PP |
791 | BT_LIB_LOGW("Cannot add colander sink component to graph: " |
792 | "%1[graph-]+g, status=%s", graph, | |
8ed535b5 PP |
793 | bt_graph_status_string(graph_status)); |
794 | goto error; | |
795 | } | |
796 | ||
797 | /* | |
798 | * Connect provided output port to the colander component's | |
799 | * input port. | |
800 | */ | |
0d72b8c3 PP |
801 | colander_in_port = |
802 | (void *) bt_component_sink_borrow_input_port_by_index_const( | |
803 | (void *) iterator->colander, 0); | |
f6ccaed9 | 804 | BT_ASSERT(colander_in_port); |
0d72b8c3 | 805 | graph_status = bt_graph_connect_ports(graph, |
8ed535b5 PP |
806 | output_port, colander_in_port, NULL); |
807 | if (graph_status != BT_GRAPH_STATUS_OK) { | |
d94d92ac PP |
808 | BT_LIB_LOGW("Cannot add colander sink component to graph: " |
809 | "%![graph-]+g, %![comp-]+c, status=%s", graph, | |
810 | iterator->colander, | |
8ed535b5 PP |
811 | bt_graph_status_string(graph_status)); |
812 | goto error; | |
813 | } | |
814 | ||
815 | /* | |
816 | * At this point everything went fine. Make the graph | |
d6e69534 | 817 | * nonconsumable forever so that only this message iterator |
8ed535b5 | 818 | * can consume (thanks to bt_graph_consume_sink_no_check()). |
d6e69534 PP |
819 | * This avoids leaking the message created by the colander |
820 | * sink and moved to the message iterator's message | |
07245ac2 | 821 | * member. |
8ed535b5 | 822 | */ |
d94d92ac | 823 | bt_graph_set_can_consume(iterator->graph, false); |
8ed535b5 PP |
824 | goto end; |
825 | ||
826 | error: | |
827 | if (iterator && iterator->graph && iterator->colander) { | |
828 | int ret; | |
829 | ||
830 | /* Remove created colander component from graph if any */ | |
831 | colander_comp = iterator->colander; | |
65300d60 | 832 | BT_OBJECT_PUT_REF_AND_RESET(iterator->colander); |
8ed535b5 PP |
833 | |
834 | /* | |
835 | * At this point the colander component's reference | |
836 | * count is 0 because iterator->colander was the only | |
837 | * owner. We also know that it is not connected because | |
838 | * this is the last operation before this function | |
839 | * succeeds. | |
840 | * | |
841 | * Since we honor the preconditions here, | |
842 | * bt_graph_remove_unconnected_component() always | |
843 | * succeeds. | |
844 | */ | |
845 | ret = bt_graph_remove_unconnected_component(iterator->graph, | |
d94d92ac | 846 | (void *) colander_comp); |
f6ccaed9 | 847 | BT_ASSERT(ret == 0); |
8ed535b5 PP |
848 | } |
849 | ||
65300d60 | 850 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
8ed535b5 PP |
851 | |
852 | end: | |
65300d60 | 853 | bt_object_put_ref(colander_comp_cls); |
8ed535b5 PP |
854 | return (void *) iterator; |
855 | } | |
c5b9b441 | 856 | |
7474e7d3 PP |
857 | bt_bool bt_self_component_port_input_message_iterator_can_seek_ns_from_origin( |
858 | struct bt_self_component_port_input_message_iterator *iterator, | |
859 | int64_t ns_from_origin) | |
860 | { | |
861 | bt_bool can = BT_FALSE; | |
862 | ||
863 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
864 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
865 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
866 | "Graph is not configured: %!+g", | |
867 | bt_component_borrow_graph(iterator->upstream_component)); | |
868 | ||
869 | if (iterator->methods.can_seek_ns_from_origin) { | |
870 | can = iterator->methods.can_seek_ns_from_origin(iterator, | |
871 | ns_from_origin); | |
872 | goto end; | |
873 | } | |
874 | ||
875 | /* | |
876 | * Automatic seeking fall back: if we can seek to the beginning, | |
877 | * then we can automatically seek to any message. | |
878 | */ | |
879 | if (iterator->methods.can_seek_beginning) { | |
880 | can = iterator->methods.can_seek_beginning(iterator); | |
881 | } | |
882 | ||
883 | end: | |
884 | return can; | |
885 | } | |
886 | ||
887 | bt_bool bt_self_component_port_input_message_iterator_can_seek_beginning( | |
888 | struct bt_self_component_port_input_message_iterator *iterator) | |
889 | { | |
890 | bt_bool can = BT_FALSE; | |
891 | ||
892 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
893 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
894 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
895 | "Graph is not configured: %!+g", | |
896 | bt_component_borrow_graph(iterator->upstream_component)); | |
897 | ||
898 | if (iterator->methods.can_seek_beginning) { | |
899 | can = iterator->methods.can_seek_beginning(iterator); | |
900 | } | |
901 | ||
902 | return can; | |
903 | } | |
904 | ||
905 | static inline | |
906 | void _set_iterator_state_after_seeking( | |
907 | struct bt_self_component_port_input_message_iterator *iterator, | |
908 | enum bt_message_iterator_status status) | |
909 | { | |
910 | enum bt_self_component_port_input_message_iterator_state new_state = 0; | |
911 | ||
912 | /* Set iterator's state depending on seeking status */ | |
913 | switch (status) { | |
914 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
915 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE; | |
916 | break; | |
917 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
918 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN; | |
919 | break; | |
920 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
921 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
922 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR; | |
923 | break; | |
924 | case BT_MESSAGE_ITERATOR_STATUS_END: | |
925 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED; | |
926 | break; | |
927 | default: | |
928 | abort(); | |
929 | } | |
930 | ||
931 | set_self_comp_port_input_msg_iterator_state(iterator, new_state); | |
932 | } | |
933 | ||
934 | #ifdef BT_DEV_MODE | |
935 | # define set_iterator_state_after_seeking _set_iterator_state_after_seeking | |
936 | #else | |
937 | # define set_iterator_state_after_seeking(_iter, _status) | |
938 | #endif | |
939 | ||
940 | enum bt_message_iterator_status | |
941 | bt_self_component_port_input_message_iterator_seek_beginning( | |
942 | struct bt_self_component_port_input_message_iterator *iterator) | |
943 | { | |
944 | int status; | |
945 | ||
946 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
947 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
948 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
949 | "Graph is not configured: %!+g", | |
950 | bt_component_borrow_graph(iterator->upstream_component)); | |
951 | BT_ASSERT_PRE( | |
952 | bt_self_component_port_input_message_iterator_can_seek_beginning( | |
953 | iterator), | |
954 | "Message iterator cannot seek beginning: %!+i", iterator); | |
955 | BT_LIB_LOGD("Calling user's \"seek beginning\" method: %!+i", iterator); | |
956 | set_self_comp_port_input_msg_iterator_state(iterator, | |
957 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING); | |
958 | status = iterator->methods.seek_beginning(iterator); | |
959 | BT_LOGD("User method returned: status=%s", | |
960 | bt_message_iterator_status_string(status)); | |
961 | BT_ASSERT_PRE(status == BT_MESSAGE_ITERATOR_STATUS_OK || | |
962 | status == BT_MESSAGE_ITERATOR_STATUS_ERROR || | |
963 | status == BT_MESSAGE_ITERATOR_STATUS_NOMEM || | |
964 | status == BT_MESSAGE_ITERATOR_STATUS_AGAIN, | |
965 | "Unexpected status: %![iter-]+i, status=%s", | |
966 | iterator, bt_self_message_iterator_status_string(status)); | |
967 | set_iterator_state_after_seeking(iterator, status); | |
968 | return status; | |
969 | } | |
970 | ||
971 | static inline | |
972 | int get_message_ns_from_origin(const struct bt_message *msg, | |
973 | int64_t *ns_from_origin, bool *ignore) | |
974 | { | |
975 | const struct bt_clock_snapshot *clk_snapshot = NULL; | |
976 | int ret = 0; | |
977 | ||
978 | switch (msg->type) { | |
979 | case BT_MESSAGE_TYPE_EVENT: | |
980 | { | |
981 | const struct bt_message_event *event_msg = | |
982 | (const void *) msg; | |
983 | ||
984 | clk_snapshot = event_msg->event->default_cs; | |
985 | BT_ASSERT_PRE(clk_snapshot, | |
986 | "Event has no default clock snapshot: %!+e", | |
987 | event_msg->event); | |
988 | break; | |
989 | } | |
990 | case BT_MESSAGE_TYPE_INACTIVITY: | |
991 | { | |
992 | const struct bt_message_inactivity *inactivity_msg = | |
993 | (const void *) msg; | |
994 | ||
995 | BT_ASSERT(inactivity_msg->default_cs); | |
996 | clk_snapshot = inactivity_msg->default_cs; | |
997 | break; | |
998 | } | |
999 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: | |
1000 | case BT_MESSAGE_TYPE_STREAM_END: | |
1001 | /* Ignore */ | |
1002 | goto end; | |
1003 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: | |
1004 | { | |
1005 | const struct bt_message_packet_beginning *pkt_msg = | |
1006 | (const void *) msg; | |
1007 | ||
1008 | clk_snapshot = pkt_msg->packet->default_beginning_cs; | |
1009 | break; | |
1010 | } | |
1011 | case BT_MESSAGE_TYPE_PACKET_END: | |
1012 | { | |
1013 | const struct bt_message_packet_end *pkt_msg = | |
1014 | (const void *) msg; | |
1015 | ||
1016 | clk_snapshot = pkt_msg->packet->default_end_cs; | |
1017 | break; | |
1018 | } | |
1019 | default: | |
1020 | abort(); | |
1021 | } | |
1022 | ||
1023 | if (!clk_snapshot) { | |
1024 | *ignore = true; | |
1025 | goto end; | |
1026 | } | |
1027 | ||
1028 | ret = bt_clock_snapshot_get_ns_from_origin(clk_snapshot, | |
1029 | ns_from_origin); | |
1030 | ||
1031 | end: | |
1032 | return ret; | |
1033 | } | |
1034 | ||
1035 | static | |
1036 | enum bt_message_iterator_status find_message_ge_ns_from_origin( | |
1037 | struct bt_self_component_port_input_message_iterator *iterator, | |
1038 | int64_t ns_from_origin) | |
1039 | { | |
1040 | int status; | |
1041 | enum bt_self_component_port_input_message_iterator_state init_state = | |
1042 | iterator->state; | |
1043 | const struct bt_message *messages[MSG_BATCH_SIZE]; | |
1044 | uint64_t user_count = 0; | |
1045 | uint64_t i; | |
1046 | ||
1047 | BT_ASSERT(iterator); | |
1048 | memset(&messages[0], 0, sizeof(messages[0]) * MSG_BATCH_SIZE); | |
1049 | ||
1050 | /* | |
1051 | * Make this iterator temporarily active (not seeking) to call | |
1052 | * the "next" method. | |
1053 | */ | |
1054 | set_self_comp_port_input_msg_iterator_state(iterator, | |
1055 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
1056 | ||
1057 | BT_ASSERT(iterator->methods.next); | |
1058 | ||
1059 | while (true) { | |
1060 | /* | |
1061 | * Call the user's "next" method to get the next | |
1062 | * messages and status. | |
1063 | */ | |
1064 | BT_LOGD_STR("Calling user's \"next\" method."); | |
1065 | status = iterator->methods.next(iterator, | |
1066 | &messages[0], MSG_BATCH_SIZE, &user_count); | |
1067 | BT_LOGD("User method returned: status=%s", | |
1068 | bt_message_iterator_status_string(status)); | |
1069 | ||
1070 | #ifdef BT_DEV_MODE | |
1071 | /* | |
1072 | * The user's "next" method must not do any action which | |
1073 | * would change the iterator's state. | |
1074 | */ | |
1075 | BT_ASSERT(iterator->state == | |
1076 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
1077 | #endif | |
1078 | ||
1079 | switch (status) { | |
1080 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
1081 | BT_ASSERT_PRE(user_count <= MSG_BATCH_SIZE, | |
1082 | "Invalid returned message count: greater than " | |
1083 | "batch size: count=%" PRIu64 ", batch-size=%u", | |
1084 | user_count, MSG_BATCH_SIZE); | |
1085 | break; | |
1086 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
1087 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
1088 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
1089 | case BT_MESSAGE_ITERATOR_STATUS_END: | |
1090 | goto end; | |
1091 | default: | |
1092 | abort(); | |
1093 | } | |
1094 | ||
1095 | /* | |
1096 | * Find first message which has a default clock snapshot | |
1097 | * that is greater than or equal to the requested value. | |
1098 | * | |
1099 | * For event and inactivity messages, compare with the | |
1100 | * default clock snapshot. | |
1101 | * | |
1102 | * For packet beginning messages, compare with the | |
1103 | * default beginning clock snapshot, if any. | |
1104 | * | |
1105 | * For packet end messages, compare with the default end | |
1106 | * clock snapshot, if any. | |
1107 | * | |
1108 | * For stream beginning, stream end, ignore. | |
1109 | */ | |
1110 | for (i = 0; i < user_count; i++) { | |
1111 | const struct bt_message *msg = messages[i]; | |
1112 | int64_t msg_ns_from_origin; | |
1113 | bool ignore = false; | |
1114 | int ret; | |
1115 | ||
1116 | BT_ASSERT(msg); | |
1117 | ret = get_message_ns_from_origin(msg, &msg_ns_from_origin, | |
1118 | &ignore); | |
1119 | if (ret) { | |
1120 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
1121 | goto end; | |
1122 | } | |
1123 | ||
1124 | if (ignore) { | |
1125 | /* Skip message without a clock snapshot */ | |
1126 | continue; | |
1127 | } | |
1128 | ||
1129 | if (msg_ns_from_origin >= ns_from_origin) { | |
1130 | /* | |
1131 | * We found it: move this message and | |
1132 | * the following ones to the iterator's | |
1133 | * auto-seek message array. | |
1134 | */ | |
1135 | uint64_t j; | |
1136 | ||
1137 | for (j = i; j < user_count; j++) { | |
1138 | iterator->auto_seek_msgs->pdata[j - i] = | |
1139 | (void *) messages[j]; | |
1140 | messages[j] = NULL; | |
1141 | } | |
1142 | ||
1143 | iterator->auto_seek_msg_count = user_count - i; | |
1144 | goto end; | |
1145 | } | |
1146 | ||
1147 | bt_object_put_no_null_check(msg); | |
1148 | messages[i] = NULL; | |
1149 | } | |
1150 | } | |
1151 | ||
1152 | end: | |
1153 | for (i = 0; i < user_count; i++) { | |
1154 | if (messages[i]) { | |
1155 | bt_object_put_no_null_check(messages[i]); | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | set_self_comp_port_input_msg_iterator_state(iterator, init_state); | |
1160 | return status; | |
1161 | } | |
1162 | ||
1163 | static | |
1164 | enum bt_self_message_iterator_status post_auto_seek_next( | |
1165 | struct bt_self_component_port_input_message_iterator *iterator, | |
1166 | bt_message_array_const msgs, uint64_t capacity, | |
1167 | uint64_t *count) | |
1168 | { | |
1169 | BT_ASSERT(iterator->auto_seek_msg_count <= capacity); | |
1170 | BT_ASSERT(iterator->auto_seek_msg_count > 0); | |
1171 | ||
1172 | /* | |
1173 | * Move auto-seek messages to the output array (which is this | |
1174 | * iterator's base message array. | |
1175 | */ | |
1176 | memcpy(&msgs[0], &iterator->auto_seek_msgs->pdata[0], | |
1177 | sizeof(msgs[0]) * iterator->auto_seek_msg_count); | |
1178 | memset(&iterator->auto_seek_msgs->pdata[0], 0, | |
1179 | sizeof(iterator->auto_seek_msgs->pdata[0]) * | |
1180 | iterator->auto_seek_msg_count); | |
1181 | *count = iterator->auto_seek_msg_count; | |
1182 | ||
1183 | /* Restore real user's "next" method */ | |
1184 | switch (iterator->upstream_component->class->type) { | |
1185 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1186 | { | |
1187 | struct bt_component_class_source *src_comp_cls = | |
1188 | (void *) iterator->upstream_component->class; | |
1189 | ||
1190 | iterator->methods.next = | |
1191 | (bt_self_component_port_input_message_iterator_next_method) | |
1192 | src_comp_cls->methods.msg_iter_next; | |
1193 | break; | |
1194 | } | |
1195 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1196 | { | |
1197 | struct bt_component_class_filter *flt_comp_cls = | |
1198 | (void *) iterator->upstream_component->class; | |
1199 | ||
1200 | iterator->methods.next = | |
1201 | (bt_self_component_port_input_message_iterator_next_method) | |
1202 | flt_comp_cls->methods.msg_iter_next; | |
1203 | break; | |
1204 | } | |
1205 | default: | |
1206 | abort(); | |
1207 | } | |
1208 | ||
1209 | return BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1210 | } | |
1211 | ||
1212 | enum bt_message_iterator_status | |
1213 | bt_self_component_port_input_message_iterator_seek_ns_from_origin( | |
1214 | struct bt_self_component_port_input_message_iterator *iterator, | |
1215 | int64_t ns_from_origin) | |
1216 | { | |
1217 | int status; | |
1218 | ||
1219 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1220 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
1221 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
1222 | "Graph is not configured: %!+g", | |
1223 | bt_component_borrow_graph(iterator->upstream_component)); | |
1224 | BT_ASSERT_PRE( | |
1225 | bt_self_component_port_input_message_iterator_can_seek_ns_from_origin( | |
1226 | iterator, ns_from_origin), | |
1227 | "Message iterator cannot seek nanoseconds from origin: %!+i, " | |
1228 | "ns-from-origin=%" PRId64, iterator, ns_from_origin); | |
1229 | set_self_comp_port_input_msg_iterator_state(iterator, | |
1230 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING); | |
1231 | ||
1232 | if (iterator->methods.seek_ns_from_origin) { | |
1233 | BT_LIB_LOGD("Calling user's \"seek nanoseconds from origin\" method: " | |
1234 | "%![iter-]+i, ns=%" PRId64, iterator, ns_from_origin); | |
1235 | status = iterator->methods.seek_ns_from_origin(iterator, | |
1236 | ns_from_origin); | |
1237 | BT_LOGD("User method returned: status=%s", | |
1238 | bt_message_iterator_status_string(status)); | |
1239 | BT_ASSERT_PRE(status == BT_MESSAGE_ITERATOR_STATUS_OK || | |
1240 | status == BT_MESSAGE_ITERATOR_STATUS_ERROR || | |
1241 | status == BT_MESSAGE_ITERATOR_STATUS_NOMEM || | |
1242 | status == BT_MESSAGE_ITERATOR_STATUS_AGAIN, | |
1243 | "Unexpected status: %![iter-]+i, status=%s", | |
1244 | iterator, | |
1245 | bt_self_message_iterator_status_string(status)); | |
1246 | } else { | |
1247 | /* Start automatic seeking: seek beginning first */ | |
1248 | BT_ASSERT(iterator->methods.can_seek_beginning(iterator)); | |
1249 | BT_ASSERT(iterator->methods.seek_beginning); | |
1250 | BT_LIB_LOGD("Calling user's \"seek beginning\" method: %!+i", | |
1251 | iterator); | |
1252 | status = iterator->methods.seek_beginning(iterator); | |
1253 | BT_LOGD("User method returned: status=%s", | |
1254 | bt_message_iterator_status_string(status)); | |
1255 | BT_ASSERT_PRE(status == BT_MESSAGE_ITERATOR_STATUS_OK || | |
1256 | status == BT_MESSAGE_ITERATOR_STATUS_ERROR || | |
1257 | status == BT_MESSAGE_ITERATOR_STATUS_NOMEM || | |
1258 | status == BT_MESSAGE_ITERATOR_STATUS_AGAIN, | |
1259 | "Unexpected status: %![iter-]+i, status=%s", | |
1260 | iterator, | |
1261 | bt_self_message_iterator_status_string(status)); | |
1262 | switch (status) { | |
1263 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
1264 | break; | |
1265 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
1266 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
1267 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
1268 | goto end; | |
1269 | default: | |
1270 | abort(); | |
1271 | } | |
1272 | ||
1273 | /* | |
1274 | * Find the first message which has a default clock | |
1275 | * snapshot greater than or equal to the requested | |
1276 | * nanoseconds from origin, and move the received | |
1277 | * messages from this point in the batch to this | |
1278 | * iterator's auto-seek message array. | |
1279 | */ | |
1280 | status = find_message_ge_ns_from_origin(iterator, | |
1281 | ns_from_origin); | |
1282 | switch (status) { | |
1283 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
1284 | /* | |
1285 | * Replace the user's "next" method with a | |
1286 | * custom, temporary "next" method which returns | |
1287 | * the messages in the iterator's message array. | |
1288 | */ | |
1289 | iterator->methods.next = | |
1290 | (bt_self_component_port_input_message_iterator_next_method) | |
1291 | post_auto_seek_next; | |
1292 | break; | |
1293 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
1294 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
1295 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
1296 | goto end; | |
1297 | case BT_MESSAGE_ITERATOR_STATUS_END: | |
1298 | /* | |
1299 | * The iterator reached the end: just return | |
1300 | * `BT_MESSAGE_ITERATOR_STATUS_OK` here, as if | |
1301 | * the seeking operation occured: the next | |
1302 | * "next" method will return | |
1303 | * `BT_MESSAGE_ITERATOR_STATUS_END` itself. | |
1304 | */ | |
1305 | break; | |
1306 | default: | |
1307 | abort(); | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | end: | |
1312 | set_iterator_state_after_seeking(iterator, status); | |
1313 | ||
1314 | if (status == BT_MESSAGE_ITERATOR_STATUS_END) { | |
1315 | status = BT_MESSAGE_ITERATOR_STATUS_OK; | |
1316 | } | |
1317 | ||
1318 | return status; | |
1319 | } | |
1320 | ||
1321 | static inline | |
1322 | bt_self_component_port_input_message_iterator * | |
1323 | borrow_output_port_message_iterator_upstream_iterator( | |
1324 | struct bt_port_output_message_iterator *iterator) | |
1325 | { | |
1326 | struct bt_component_class_sink_colander_priv_data *colander_data; | |
1327 | ||
1328 | BT_ASSERT(iterator); | |
1329 | colander_data = (void *) iterator->colander->parent.user_data; | |
1330 | BT_ASSERT(colander_data); | |
1331 | BT_ASSERT(colander_data->msg_iter); | |
1332 | return colander_data->msg_iter; | |
1333 | } | |
1334 | ||
1335 | bt_bool bt_port_output_message_iterator_can_seek_ns_from_origin( | |
1336 | struct bt_port_output_message_iterator *iterator, | |
1337 | int64_t ns_from_origin) | |
1338 | { | |
1339 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1340 | return bt_self_component_port_input_message_iterator_can_seek_ns_from_origin( | |
1341 | borrow_output_port_message_iterator_upstream_iterator( | |
1342 | iterator), ns_from_origin); | |
1343 | } | |
1344 | ||
1345 | bt_bool bt_port_output_message_iterator_can_seek_beginning( | |
1346 | struct bt_port_output_message_iterator *iterator) | |
1347 | { | |
1348 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1349 | return bt_self_component_port_input_message_iterator_can_seek_beginning( | |
1350 | borrow_output_port_message_iterator_upstream_iterator( | |
1351 | iterator)); | |
1352 | } | |
1353 | ||
1354 | enum bt_message_iterator_status bt_port_output_message_iterator_seek_ns_from_origin( | |
1355 | struct bt_port_output_message_iterator *iterator, | |
1356 | int64_t ns_from_origin) | |
1357 | { | |
1358 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1359 | return bt_self_component_port_input_message_iterator_seek_ns_from_origin( | |
1360 | borrow_output_port_message_iterator_upstream_iterator(iterator), | |
1361 | ns_from_origin); | |
1362 | } | |
1363 | ||
1364 | enum bt_message_iterator_status bt_port_output_message_iterator_seek_beginning( | |
1365 | struct bt_port_output_message_iterator *iterator) | |
1366 | { | |
1367 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1368 | return bt_self_component_port_input_message_iterator_seek_beginning( | |
1369 | borrow_output_port_message_iterator_upstream_iterator( | |
1370 | iterator)); | |
1371 | } | |
1372 | ||
d6e69534 PP |
1373 | void bt_port_output_message_iterator_get_ref( |
1374 | const struct bt_port_output_message_iterator *iterator) | |
c5b9b441 PP |
1375 | { |
1376 | bt_object_get_ref(iterator); | |
1377 | } | |
1378 | ||
d6e69534 PP |
1379 | void bt_port_output_message_iterator_put_ref( |
1380 | const struct bt_port_output_message_iterator *iterator) | |
c5b9b441 PP |
1381 | { |
1382 | bt_object_put_ref(iterator); | |
1383 | } | |
1384 | ||
d6e69534 PP |
1385 | void bt_self_component_port_input_message_iterator_get_ref( |
1386 | const struct bt_self_component_port_input_message_iterator *iterator) | |
c5b9b441 PP |
1387 | { |
1388 | bt_object_get_ref(iterator); | |
1389 | } | |
1390 | ||
d6e69534 PP |
1391 | void bt_self_component_port_input_message_iterator_put_ref( |
1392 | const struct bt_self_component_port_input_message_iterator *iterator) | |
c5b9b441 PP |
1393 | { |
1394 | bt_object_put_ref(iterator); | |
1395 | } |