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> | |
5df26c89 PP |
51 | #include <babeltrace/graph/message-packet-beginning-const.h> |
52 | #include <babeltrace/graph/message-packet-end-const.h> | |
d6e69534 | 53 | #include <babeltrace/graph/message-packet-internal.h> |
5df26c89 PP |
54 | #include <babeltrace/graph/message-stream-beginning-const.h> |
55 | #include <babeltrace/graph/message-stream-end-const.h> | |
d6e69534 | 56 | #include <babeltrace/graph/message-stream-internal.h> |
7474e7d3 | 57 | #include <babeltrace/graph/message-inactivity-internal.h> |
0d72b8c3 PP |
58 | #include <babeltrace/graph/port-const.h> |
59 | #include <babeltrace/graph/graph.h> | |
60 | #include <babeltrace/graph/graph-const.h> | |
8ed535b5 | 61 | #include <babeltrace/graph/graph-internal.h> |
c55a9f58 | 62 | #include <babeltrace/types.h> |
f6ccaed9 | 63 | #include <babeltrace/assert-internal.h> |
f42867e2 | 64 | #include <babeltrace/assert-pre-internal.h> |
fa054faf | 65 | #include <stdint.h> |
2ec84d26 | 66 | #include <inttypes.h> |
0fbb9a9f | 67 | #include <stdlib.h> |
3230ee6b | 68 | |
d4393e08 PP |
69 | /* |
70 | * TODO: Use graph's state (number of active iterators, etc.) and | |
71 | * possibly system specifications to make a better guess than this. | |
72 | */ | |
d6e69534 | 73 | #define MSG_BATCH_SIZE 15 |
d4393e08 | 74 | |
7474e7d3 PP |
75 | #define BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(_iter) \ |
76 | BT_ASSERT_PRE((_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE || \ | |
77 | (_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED || \ | |
78 | (_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN || \ | |
79 | (_iter)->state == BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR, \ | |
80 | "Message iterator is in the wrong state: %!+i", _iter) | |
47e5a032 | 81 | |
d0fea130 PP |
82 | static inline |
83 | void _set_self_comp_port_input_msg_iterator_state( | |
84 | struct bt_self_component_port_input_message_iterator *iterator, | |
85 | enum bt_self_component_port_input_message_iterator_state state) | |
86 | { | |
87 | BT_ASSERT(iterator); | |
7474e7d3 | 88 | BT_LIB_LOGD("Updating message iterator's state: new-state=%s", |
d0fea130 PP |
89 | bt_self_component_port_input_message_iterator_state_string(state)); |
90 | iterator->state = state; | |
91 | } | |
92 | ||
93 | #ifdef BT_DEV_MODE | |
94 | # define set_self_comp_port_input_msg_iterator_state _set_self_comp_port_input_msg_iterator_state | |
95 | #else | |
96 | # define set_self_comp_port_input_msg_iterator_state(_a, _b) | |
97 | #endif | |
98 | ||
8ed535b5 | 99 | static |
d6e69534 | 100 | void destroy_base_message_iterator(struct bt_object *obj) |
8ed535b5 | 101 | { |
d6e69534 | 102 | struct bt_message_iterator *iterator = (void *) obj; |
d4393e08 PP |
103 | |
104 | BT_ASSERT(iterator); | |
105 | ||
d6e69534 PP |
106 | if (iterator->msgs) { |
107 | g_ptr_array_free(iterator->msgs, TRUE); | |
108 | iterator->msgs = NULL; | |
d4393e08 PP |
109 | } |
110 | ||
111 | g_free(iterator); | |
8ed535b5 PP |
112 | } |
113 | ||
47e5a032 | 114 | static |
d6e69534 | 115 | void bt_self_component_port_input_message_iterator_destroy(struct bt_object *obj) |
47e5a032 | 116 | { |
d6e69534 | 117 | struct bt_self_component_port_input_message_iterator *iterator; |
8738a040 | 118 | |
f6ccaed9 | 119 | BT_ASSERT(obj); |
d3eb6e8f | 120 | |
bd14d768 | 121 | /* |
d6e69534 | 122 | * The message iterator's reference count is 0 if we're |
bd14d768 PP |
123 | * here. Increment it to avoid a double-destroy (possibly |
124 | * infinitely recursive). This could happen for example if the | |
d6e69534 | 125 | * message iterator's finalization function does |
d94d92ac PP |
126 | * bt_object_get_ref() (or anything that causes |
127 | * bt_object_get_ref() to be called) on itself (ref. count goes | |
128 | * from 0 to 1), and then bt_object_put_ref(): the reference | |
129 | * count would go from 1 to 0 again and this function would be | |
130 | * called again. | |
bd14d768 | 131 | */ |
3fea54f6 | 132 | obj->ref_count++; |
07245ac2 | 133 | iterator = (void *) obj; |
d6e69534 | 134 | BT_LIB_LOGD("Destroying self component input port message iterator object: " |
d94d92ac | 135 | "%!+i", iterator); |
d0fea130 | 136 | bt_self_component_port_input_message_iterator_try_finalize(iterator); |
d3eb6e8f | 137 | |
bd14d768 PP |
138 | if (iterator->connection) { |
139 | /* | |
140 | * Remove ourself from the originating connection so | |
141 | * that it does not try to finalize a dangling pointer | |
142 | * later. | |
143 | */ | |
144 | bt_connection_remove_iterator(iterator->connection, iterator); | |
d94d92ac | 145 | iterator->connection = NULL; |
bd14d768 PP |
146 | } |
147 | ||
7474e7d3 PP |
148 | if (iterator->auto_seek_msgs) { |
149 | uint64_t i; | |
150 | ||
151 | /* Put any remaining message in the auto-seek array */ | |
152 | for (i = 0; i < iterator->auto_seek_msgs->len; i++) { | |
153 | if (iterator->auto_seek_msgs->pdata[i]) { | |
154 | bt_object_put_no_null_check( | |
155 | iterator->auto_seek_msgs->pdata[i]); | |
156 | } | |
157 | } | |
158 | ||
159 | g_ptr_array_free(iterator->auto_seek_msgs, TRUE); | |
160 | iterator->auto_seek_msgs = NULL; | |
161 | } | |
162 | ||
d6e69534 | 163 | destroy_base_message_iterator(obj); |
47e5a032 JG |
164 | } |
165 | ||
bd14d768 | 166 | BT_HIDDEN |
d0fea130 | 167 | void bt_self_component_port_input_message_iterator_try_finalize( |
d6e69534 | 168 | struct bt_self_component_port_input_message_iterator *iterator) |
bd14d768 | 169 | { |
d94d92ac PP |
170 | typedef void (*method_t)(void *); |
171 | ||
bd14d768 | 172 | struct bt_component_class *comp_class = NULL; |
d94d92ac | 173 | method_t method = NULL; |
bd14d768 | 174 | |
f6ccaed9 | 175 | BT_ASSERT(iterator); |
bd14d768 PP |
176 | |
177 | switch (iterator->state) { | |
d6e69534 | 178 | case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_NON_INITIALIZED: |
088d4023 | 179 | /* Skip user finalization if user initialization failed */ |
d6e69534 | 180 | BT_LIB_LOGD("Not finalizing non-initialized message iterator: " |
d94d92ac | 181 | "%!+i", iterator); |
d0fea130 | 182 | goto end; |
d6e69534 | 183 | case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED: |
bd14d768 | 184 | /* Already finalized */ |
d6e69534 | 185 | BT_LIB_LOGD("Not finalizing message iterator: already finalized: " |
d94d92ac | 186 | "%!+i", iterator); |
d0fea130 PP |
187 | goto end; |
188 | case BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING: | |
189 | /* Already finalized */ | |
190 | BT_LIB_LOGF("Message iterator is already being finalized: " | |
191 | "%!+i", iterator); | |
192 | abort(); | |
bd14d768 PP |
193 | default: |
194 | break; | |
195 | } | |
196 | ||
d6e69534 | 197 | BT_LIB_LOGD("Finalizing message iterator: %!+i", iterator); |
d0fea130 PP |
198 | set_self_comp_port_input_msg_iterator_state(iterator, |
199 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZING); | |
f6ccaed9 | 200 | BT_ASSERT(iterator->upstream_component); |
bd14d768 PP |
201 | comp_class = iterator->upstream_component->class; |
202 | ||
203 | /* Call user-defined destroy method */ | |
204 | switch (comp_class->type) { | |
205 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
206 | { | |
d94d92ac PP |
207 | struct bt_component_class_source *src_comp_cls = |
208 | (void *) comp_class; | |
bd14d768 | 209 | |
d6e69534 | 210 | method = (method_t) src_comp_cls->methods.msg_iter_finalize; |
bd14d768 PP |
211 | break; |
212 | } | |
213 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
214 | { | |
d94d92ac PP |
215 | struct bt_component_class_filter *flt_comp_cls = |
216 | (void *) comp_class; | |
bd14d768 | 217 | |
d6e69534 | 218 | method = (method_t) flt_comp_cls->methods.msg_iter_finalize; |
bd14d768 PP |
219 | break; |
220 | } | |
221 | default: | |
222 | /* Unreachable */ | |
0fbb9a9f | 223 | abort(); |
bd14d768 PP |
224 | } |
225 | ||
d94d92ac PP |
226 | if (method) { |
227 | BT_LIB_LOGD("Calling user's finalization method: %!+i", | |
5af447e5 | 228 | iterator); |
d94d92ac | 229 | method(iterator); |
bd14d768 PP |
230 | } |
231 | ||
bd14d768 PP |
232 | iterator->upstream_component = NULL; |
233 | iterator->upstream_port = NULL; | |
d0fea130 PP |
234 | set_self_comp_port_input_msg_iterator_state(iterator, |
235 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_FINALIZED); | |
d6e69534 | 236 | BT_LIB_LOGD("Finalized message iterator: %!+i", iterator); |
d0fea130 PP |
237 | |
238 | end: | |
239 | return; | |
bd14d768 PP |
240 | } |
241 | ||
242 | BT_HIDDEN | |
d6e69534 PP |
243 | void bt_self_component_port_input_message_iterator_set_connection( |
244 | struct bt_self_component_port_input_message_iterator *iterator, | |
bd14d768 PP |
245 | struct bt_connection *connection) |
246 | { | |
f6ccaed9 | 247 | BT_ASSERT(iterator); |
bd14d768 | 248 | iterator->connection = connection; |
d6e69534 | 249 | BT_LIB_LOGV("Set message iterator's connection: " |
d94d92ac | 250 | "%![iter-]+i, %![conn-]+x", iterator, connection); |
bd14d768 PP |
251 | } |
252 | ||
90157d89 | 253 | static |
d6e69534 PP |
254 | int init_message_iterator(struct bt_message_iterator *iterator, |
255 | enum bt_message_iterator_type type, | |
90157d89 PP |
256 | bt_object_release_func destroy) |
257 | { | |
d4393e08 PP |
258 | int ret = 0; |
259 | ||
3fea54f6 | 260 | bt_object_init_shared(&iterator->base, destroy); |
90157d89 | 261 | iterator->type = type; |
d6e69534 PP |
262 | iterator->msgs = g_ptr_array_new(); |
263 | if (!iterator->msgs) { | |
d4393e08 PP |
264 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
265 | ret = -1; | |
266 | goto end; | |
267 | } | |
268 | ||
d6e69534 | 269 | g_ptr_array_set_size(iterator->msgs, MSG_BATCH_SIZE); |
d4393e08 PP |
270 | |
271 | end: | |
272 | return ret; | |
90157d89 PP |
273 | } |
274 | ||
7474e7d3 PP |
275 | static |
276 | bt_bool can_seek_ns_from_origin_true( | |
277 | struct bt_self_component_port_input_message_iterator *iterator, | |
278 | int64_t ns_from_origin) | |
279 | { | |
280 | return BT_TRUE; | |
281 | } | |
282 | ||
283 | static | |
284 | bt_bool can_seek_beginning_true( | |
285 | struct bt_self_component_port_input_message_iterator *iterator) | |
286 | { | |
287 | return BT_TRUE; | |
288 | } | |
289 | ||
d94d92ac | 290 | static |
d6e69534 PP |
291 | struct bt_self_component_port_input_message_iterator * |
292 | bt_self_component_port_input_message_iterator_create_initial( | |
3230ee6b | 293 | struct bt_component *upstream_comp, |
d94d92ac | 294 | struct bt_port *upstream_port) |
47e5a032 | 295 | { |
d4393e08 | 296 | int ret; |
d6e69534 | 297 | struct bt_self_component_port_input_message_iterator *iterator = NULL; |
47e5a032 | 298 | |
f6ccaed9 PP |
299 | BT_ASSERT(upstream_comp); |
300 | BT_ASSERT(upstream_port); | |
f6ccaed9 | 301 | BT_ASSERT(bt_port_is_connected(upstream_port)); |
d6e69534 | 302 | BT_LIB_LOGD("Creating initial message iterator on self component input port: " |
d94d92ac PP |
303 | "%![up-comp-]+c, %![up-port-]+p", upstream_comp, upstream_port); |
304 | BT_ASSERT(bt_component_get_class_type(upstream_comp) == | |
305 | BT_COMPONENT_CLASS_TYPE_SOURCE || | |
306 | bt_component_get_class_type(upstream_comp) == | |
307 | BT_COMPONENT_CLASS_TYPE_FILTER); | |
308 | iterator = g_new0( | |
d6e69534 | 309 | struct bt_self_component_port_input_message_iterator, 1); |
47e5a032 | 310 | if (!iterator) { |
d94d92ac | 311 | BT_LOGE_STR("Failed to allocate one self component input port " |
d6e69534 | 312 | "message iterator."); |
73d5c1ad | 313 | goto end; |
47e5a032 JG |
314 | } |
315 | ||
d6e69534 PP |
316 | ret = init_message_iterator((void *) iterator, |
317 | BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT, | |
318 | bt_self_component_port_input_message_iterator_destroy); | |
d4393e08 | 319 | if (ret) { |
d6e69534 | 320 | /* init_message_iterator() logs errors */ |
d94d92ac | 321 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
d4393e08 PP |
322 | goto end; |
323 | } | |
3230ee6b | 324 | |
7474e7d3 PP |
325 | iterator->auto_seek_msgs = g_ptr_array_new(); |
326 | if (!iterator->auto_seek_msgs) { | |
327 | BT_LOGE_STR("Failed to allocate a GPtrArray."); | |
328 | ret = -1; | |
73d5c1ad | 329 | goto end; |
3230ee6b PP |
330 | } |
331 | ||
7474e7d3 | 332 | g_ptr_array_set_size(iterator->auto_seek_msgs, MSG_BATCH_SIZE); |
bd14d768 PP |
333 | iterator->upstream_component = upstream_comp; |
334 | iterator->upstream_port = upstream_port; | |
d94d92ac | 335 | iterator->connection = iterator->upstream_port->connection; |
5c563278 | 336 | iterator->graph = bt_component_borrow_graph(upstream_comp); |
d0fea130 PP |
337 | set_self_comp_port_input_msg_iterator_state(iterator, |
338 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_NON_INITIALIZED); | |
7474e7d3 PP |
339 | |
340 | switch (iterator->upstream_component->class->type) { | |
341 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
342 | { | |
343 | struct bt_component_class_source *src_comp_cls = | |
344 | (void *) iterator->upstream_component->class; | |
345 | ||
346 | iterator->methods.next = | |
347 | (bt_self_component_port_input_message_iterator_next_method) | |
348 | src_comp_cls->methods.msg_iter_next; | |
349 | iterator->methods.seek_ns_from_origin = | |
350 | (bt_self_component_port_input_message_iterator_seek_ns_from_origin_method) | |
351 | src_comp_cls->methods.msg_iter_seek_ns_from_origin; | |
352 | iterator->methods.seek_beginning = | |
353 | (bt_self_component_port_input_message_iterator_seek_beginning_method) | |
354 | src_comp_cls->methods.msg_iter_seek_beginning; | |
355 | iterator->methods.can_seek_ns_from_origin = | |
356 | (bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method) | |
357 | src_comp_cls->methods.msg_iter_can_seek_ns_from_origin; | |
358 | iterator->methods.can_seek_beginning = | |
359 | (bt_self_component_port_input_message_iterator_can_seek_beginning_method) | |
360 | src_comp_cls->methods.msg_iter_can_seek_beginning; | |
361 | break; | |
362 | } | |
363 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
364 | { | |
365 | struct bt_component_class_filter *flt_comp_cls = | |
366 | (void *) iterator->upstream_component->class; | |
367 | ||
368 | iterator->methods.next = | |
369 | (bt_self_component_port_input_message_iterator_next_method) | |
370 | flt_comp_cls->methods.msg_iter_next; | |
371 | iterator->methods.seek_ns_from_origin = | |
372 | (bt_self_component_port_input_message_iterator_seek_ns_from_origin_method) | |
373 | flt_comp_cls->methods.msg_iter_seek_ns_from_origin; | |
374 | iterator->methods.seek_beginning = | |
375 | (bt_self_component_port_input_message_iterator_seek_beginning_method) | |
376 | flt_comp_cls->methods.msg_iter_seek_beginning; | |
377 | iterator->methods.can_seek_ns_from_origin = | |
378 | (bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method) | |
379 | flt_comp_cls->methods.msg_iter_can_seek_ns_from_origin; | |
380 | iterator->methods.can_seek_beginning = | |
381 | (bt_self_component_port_input_message_iterator_can_seek_beginning_method) | |
382 | flt_comp_cls->methods.msg_iter_can_seek_beginning; | |
383 | break; | |
384 | } | |
385 | default: | |
386 | abort(); | |
387 | } | |
388 | ||
389 | if (iterator->methods.seek_ns_from_origin && | |
390 | !iterator->methods.can_seek_ns_from_origin) { | |
391 | iterator->methods.can_seek_ns_from_origin = | |
392 | (bt_self_component_port_input_message_iterator_can_seek_ns_from_origin_method) | |
393 | can_seek_ns_from_origin_true; | |
394 | } | |
395 | ||
396 | if (iterator->methods.seek_beginning && | |
397 | !iterator->methods.can_seek_beginning) { | |
398 | iterator->methods.can_seek_beginning = | |
399 | (bt_self_component_port_input_message_iterator_seek_beginning_method) | |
400 | can_seek_beginning_true; | |
401 | } | |
402 | ||
d6e69534 | 403 | BT_LIB_LOGD("Created initial message iterator on self component input port: " |
d94d92ac PP |
404 | "%![up-port-]+p, %![up-comp-]+c, %![iter-]+i", |
405 | upstream_port, upstream_comp, iterator); | |
3230ee6b | 406 | |
47e5a032 | 407 | end: |
d94d92ac | 408 | return iterator; |
47e5a032 JG |
409 | } |
410 | ||
d6e69534 PP |
411 | struct bt_self_component_port_input_message_iterator * |
412 | bt_self_component_port_input_message_iterator_create( | |
d94d92ac | 413 | struct bt_self_component_port_input *self_port) |
ea8d3e58 | 414 | { |
d6e69534 | 415 | typedef enum bt_self_message_iterator_status (*init_method_t)( |
d94d92ac PP |
416 | void *, void *, void *); |
417 | ||
418 | init_method_t init_method = NULL; | |
d6e69534 | 419 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac PP |
420 | NULL; |
421 | struct bt_port *port = (void *) self_port; | |
422 | struct bt_port *upstream_port; | |
423 | struct bt_component *comp; | |
424 | struct bt_component *upstream_comp; | |
425 | struct bt_component_class *upstream_comp_cls; | |
426 | ||
427 | BT_ASSERT_PRE_NON_NULL(port, "Port"); | |
0d72b8c3 | 428 | comp = bt_port_borrow_component_inline(port); |
d94d92ac PP |
429 | BT_ASSERT_PRE(bt_port_is_connected(port), |
430 | "Port is not connected: %![port-]+p", port); | |
431 | BT_ASSERT_PRE(comp, "Port is not part of a component: %![port-]+p", | |
432 | port); | |
433 | BT_ASSERT_PRE(!bt_component_graph_is_canceled(comp), | |
434 | "Port's component's graph is canceled: " | |
435 | "%![port-]+p, %![comp-]+c", port, comp); | |
436 | BT_ASSERT(port->connection); | |
437 | upstream_port = port->connection->upstream_port; | |
438 | BT_ASSERT(upstream_port); | |
0d72b8c3 | 439 | upstream_comp = bt_port_borrow_component_inline(upstream_port); |
d94d92ac PP |
440 | BT_ASSERT(upstream_comp); |
441 | upstream_comp_cls = upstream_comp->class; | |
442 | BT_ASSERT(upstream_comp->class->type == | |
443 | BT_COMPONENT_CLASS_TYPE_SOURCE || | |
444 | upstream_comp->class->type == | |
445 | BT_COMPONENT_CLASS_TYPE_FILTER); | |
d6e69534 | 446 | iterator = bt_self_component_port_input_message_iterator_create_initial( |
d94d92ac PP |
447 | upstream_comp, upstream_port); |
448 | if (!iterator) { | |
449 | BT_LOGW_STR("Cannot create self component input port " | |
d6e69534 | 450 | "message iterator."); |
d94d92ac PP |
451 | goto end; |
452 | } | |
890882ef | 453 | |
d94d92ac PP |
454 | switch (upstream_comp_cls->type) { |
455 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
456 | { | |
457 | struct bt_component_class_source *src_comp_cls = | |
458 | (void *) upstream_comp_cls; | |
459 | ||
460 | init_method = | |
d6e69534 | 461 | (init_method_t) src_comp_cls->methods.msg_iter_init; |
d94d92ac PP |
462 | break; |
463 | } | |
464 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
465 | { | |
466 | struct bt_component_class_filter *flt_comp_cls = | |
467 | (void *) upstream_comp_cls; | |
468 | ||
469 | init_method = | |
d6e69534 | 470 | (init_method_t) flt_comp_cls->methods.msg_iter_init; |
d94d92ac PP |
471 | break; |
472 | } | |
473 | default: | |
474 | /* Unreachable */ | |
475 | abort(); | |
476 | } | |
477 | ||
478 | if (init_method) { | |
479 | int iter_status; | |
480 | ||
481 | BT_LIB_LOGD("Calling user's initialization method: %!+i", iterator); | |
482 | iter_status = init_method(iterator, upstream_comp, | |
483 | upstream_port); | |
484 | BT_LOGD("User method returned: status=%s", | |
d6e69534 PP |
485 | bt_message_iterator_status_string(iter_status)); |
486 | if (iter_status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
d94d92ac | 487 | BT_LOGW_STR("Initialization method failed."); |
d0fea130 | 488 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
d94d92ac PP |
489 | goto end; |
490 | } | |
491 | } | |
492 | ||
d0fea130 PP |
493 | set_self_comp_port_input_msg_iterator_state(iterator, |
494 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
d94d92ac | 495 | g_ptr_array_add(port->connection->iterators, iterator); |
d6e69534 | 496 | BT_LIB_LOGD("Created message iterator on self component input port: " |
d94d92ac PP |
497 | "%![up-port-]+p, %![up-comp-]+c, %![iter-]+i", |
498 | upstream_port, upstream_comp, iterator); | |
499 | ||
500 | end: | |
501 | return iterator; | |
ea8d3e58 JG |
502 | } |
503 | ||
d6e69534 PP |
504 | void *bt_self_message_iterator_get_data( |
505 | const struct bt_self_message_iterator *self_iterator) | |
ea8d3e58 | 506 | { |
d6e69534 | 507 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac | 508 | (void *) self_iterator; |
ea8d3e58 | 509 | |
d6e69534 | 510 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 511 | return iterator->user_data; |
8738a040 | 512 | } |
413bc2c4 | 513 | |
d6e69534 PP |
514 | void bt_self_message_iterator_set_data( |
515 | struct bt_self_message_iterator *self_iterator, void *data) | |
5c563278 | 516 | { |
d6e69534 | 517 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac | 518 | (void *) self_iterator; |
5c563278 | 519 | |
d6e69534 | 520 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 521 | iterator->user_data = data; |
d6e69534 | 522 | BT_LIB_LOGV("Set message iterator's user data: " |
d94d92ac | 523 | "%!+i, user-data-addr=%p", iterator, data); |
5c563278 PP |
524 | } |
525 | ||
f42867e2 PP |
526 | BT_ASSERT_PRE_FUNC |
527 | static inline | |
d6e69534 | 528 | void bt_message_borrow_packet_stream(const struct bt_message *msg, |
40f4ba76 PP |
529 | const struct bt_stream **stream, |
530 | const struct bt_packet **packet) | |
fa054faf | 531 | { |
d6e69534 | 532 | BT_ASSERT(msg); |
fa054faf | 533 | |
d6e69534 PP |
534 | switch (msg->type) { |
535 | case BT_MESSAGE_TYPE_EVENT: | |
40f4ba76 | 536 | *packet = bt_event_borrow_packet_const( |
d6e69534 | 537 | bt_message_event_borrow_event_const(msg)); |
40f4ba76 | 538 | *stream = bt_packet_borrow_stream_const(*packet); |
fa054faf | 539 | break; |
d6e69534 PP |
540 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: |
541 | *stream = bt_message_stream_beginning_borrow_stream_const(msg); | |
fa054faf | 542 | break; |
d6e69534 PP |
543 | case BT_MESSAGE_TYPE_STREAM_END: |
544 | *stream = bt_message_stream_end_borrow_stream_const(msg); | |
fa054faf | 545 | break; |
d6e69534 PP |
546 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: |
547 | *packet = bt_message_packet_beginning_borrow_packet_const(msg); | |
40f4ba76 | 548 | *stream = bt_packet_borrow_stream_const(*packet); |
fa054faf | 549 | break; |
d6e69534 PP |
550 | case BT_MESSAGE_TYPE_PACKET_END: |
551 | *packet = bt_message_packet_end_borrow_packet_const(msg); | |
40f4ba76 | 552 | *stream = bt_packet_borrow_stream_const(*packet); |
2ec84d26 | 553 | break; |
fa054faf | 554 | default: |
f42867e2 | 555 | break; |
fa054faf | 556 | } |
fa054faf PP |
557 | } |
558 | ||
d6e69534 PP |
559 | enum bt_message_iterator_status |
560 | bt_self_component_port_input_message_iterator_next( | |
561 | struct bt_self_component_port_input_message_iterator *iterator, | |
562 | bt_message_array_const *msgs, uint64_t *user_count) | |
3230ee6b | 563 | { |
d6e69534 | 564 | int status = BT_MESSAGE_ITERATOR_STATUS_OK; |
d94d92ac | 565 | |
d6e69534 PP |
566 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
567 | BT_ASSERT_PRE_NON_NULL(msgs, "Message array (output)"); | |
568 | BT_ASSERT_PRE_NON_NULL(user_count, "Message count (output)"); | |
f42867e2 | 569 | BT_ASSERT_PRE(iterator->state == |
d6e69534 PP |
570 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE, |
571 | "Message iterator's \"next\" called, but " | |
7474e7d3 | 572 | "message iterator is in the wrong state: %!+i", iterator); |
f42867e2 PP |
573 | BT_ASSERT(iterator->upstream_component); |
574 | BT_ASSERT(iterator->upstream_component->class); | |
4725a201 PP |
575 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, |
576 | "Graph is not configured: %!+g", | |
577 | bt_component_borrow_graph(iterator->upstream_component)); | |
d94d92ac | 578 | BT_LIB_LOGD("Getting next self component input port " |
d6e69534 | 579 | "message iterator's messages: %!+i", iterator); |
d3eb6e8f | 580 | |
3230ee6b | 581 | /* |
d6e69534 | 582 | * Call the user's "next" method to get the next messages |
fa054faf | 583 | * and status. |
3230ee6b | 584 | */ |
7474e7d3 | 585 | BT_ASSERT(iterator->methods.next); |
f42867e2 | 586 | BT_LOGD_STR("Calling user's \"next\" method."); |
7474e7d3 PP |
587 | status = iterator->methods.next(iterator, |
588 | (void *) iterator->base.msgs->pdata, MSG_BATCH_SIZE, | |
589 | user_count); | |
f42867e2 | 590 | BT_LOGD("User method returned: status=%s", |
d6e69534 | 591 | bt_message_iterator_status_string(status)); |
d4393e08 | 592 | if (status < 0) { |
f42867e2 | 593 | BT_LOGW_STR("User method failed."); |
f42867e2 PP |
594 | goto end; |
595 | } | |
3230ee6b | 596 | |
d0fea130 PP |
597 | #ifdef BT_DEV_MODE |
598 | /* | |
599 | * There is no way that this iterator could have been finalized | |
600 | * during its "next" method, as the only way to do this is to | |
601 | * put the last iterator's reference, and this can only be done | |
602 | * by its downstream owner. | |
7474e7d3 PP |
603 | * |
604 | * For the same reason, there is no way that this iterator could | |
605 | * have seeked (cannot seek a self message iterator). | |
d0fea130 PP |
606 | */ |
607 | BT_ASSERT(iterator->state == | |
608 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
609 | #endif | |
8cf27cc5 | 610 | |
d4393e08 | 611 | switch (status) { |
d6e69534 | 612 | case BT_MESSAGE_ITERATOR_STATUS_OK: |
7474e7d3 PP |
613 | BT_ASSERT_PRE(*user_count <= MSG_BATCH_SIZE, |
614 | "Invalid returned message count: greater than " | |
615 | "batch size: count=%" PRIu64 ", batch-size=%u", | |
616 | *user_count, MSG_BATCH_SIZE); | |
d6e69534 | 617 | *msgs = (void *) iterator->base.msgs->pdata; |
d4393e08 | 618 | break; |
d6e69534 | 619 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: |
d4393e08 | 620 | goto end; |
d6e69534 | 621 | case BT_MESSAGE_ITERATOR_STATUS_END: |
d0fea130 PP |
622 | set_self_comp_port_input_msg_iterator_state(iterator, |
623 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED); | |
f42867e2 | 624 | goto end; |
f42867e2 PP |
625 | default: |
626 | /* Unknown non-error status */ | |
627 | abort(); | |
41a2b7ae PP |
628 | } |
629 | ||
630 | end: | |
3230ee6b PP |
631 | return status; |
632 | } | |
633 | ||
d0fea130 | 634 | enum bt_message_iterator_status bt_port_output_message_iterator_next( |
d6e69534 PP |
635 | struct bt_port_output_message_iterator *iterator, |
636 | bt_message_array_const *msgs_to_user, | |
d4393e08 | 637 | uint64_t *count_to_user) |
3230ee6b | 638 | { |
d6e69534 | 639 | enum bt_message_iterator_status status; |
07245ac2 | 640 | enum bt_graph_status graph_status; |
3230ee6b | 641 | |
d6e69534 PP |
642 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
643 | BT_ASSERT_PRE_NON_NULL(msgs_to_user, "Message array (output)"); | |
644 | BT_ASSERT_PRE_NON_NULL(count_to_user, "Message count (output)"); | |
645 | BT_LIB_LOGD("Getting next output port message iterator's messages: " | |
07245ac2 | 646 | "%!+i", iterator); |
d4393e08 | 647 | |
4725a201 PP |
648 | /* |
649 | * As soon as the user calls this function, we mark the graph as | |
650 | * being definitely configured. | |
651 | */ | |
652 | bt_graph_set_is_configured(iterator->graph, true); | |
653 | ||
d94d92ac PP |
654 | graph_status = bt_graph_consume_sink_no_check(iterator->graph, |
655 | iterator->colander); | |
07245ac2 PP |
656 | switch (graph_status) { |
657 | case BT_GRAPH_STATUS_CANCELED: | |
07245ac2 | 658 | case BT_GRAPH_STATUS_AGAIN: |
07245ac2 | 659 | case BT_GRAPH_STATUS_END: |
07245ac2 | 660 | case BT_GRAPH_STATUS_NOMEM: |
d94d92ac | 661 | status = (int) graph_status; |
07245ac2 PP |
662 | break; |
663 | case BT_GRAPH_STATUS_OK: | |
d6e69534 | 664 | status = BT_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
665 | |
666 | /* | |
d6e69534 | 667 | * On success, the colander sink moves the messages |
d4393e08 | 668 | * to this iterator's array and sets this iterator's |
d6e69534 | 669 | * message count: move them to the user. |
d4393e08 | 670 | */ |
d6e69534 | 671 | *msgs_to_user = (void *) iterator->base.msgs->pdata; |
d94d92ac | 672 | *count_to_user = iterator->count; |
90157d89 | 673 | break; |
90157d89 | 674 | default: |
07245ac2 | 675 | /* Other errors */ |
d6e69534 | 676 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; |
90157d89 | 677 | } |
3230ee6b | 678 | |
3230ee6b | 679 | return status; |
53d45b87 JG |
680 | } |
681 | ||
7474e7d3 PP |
682 | struct bt_component * |
683 | bt_self_component_port_input_message_iterator_borrow_component( | |
d6e69534 | 684 | struct bt_self_component_port_input_message_iterator *iterator) |
d94d92ac | 685 | { |
d6e69534 | 686 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac PP |
687 | return iterator->upstream_component; |
688 | } | |
689 | ||
7474e7d3 PP |
690 | const struct bt_component * |
691 | bt_self_component_port_input_message_iterator_borrow_component_const( | |
692 | const struct bt_self_component_port_input_message_iterator *iterator) | |
693 | { | |
694 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
695 | return iterator->upstream_component; | |
696 | } | |
697 | ||
d6e69534 PP |
698 | struct bt_self_component *bt_self_message_iterator_borrow_component( |
699 | struct bt_self_message_iterator *self_iterator) | |
413bc2c4 | 700 | { |
d6e69534 | 701 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac | 702 | (void *) self_iterator; |
90157d89 | 703 | |
d6e69534 | 704 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 705 | return (void *) iterator->upstream_component; |
413bc2c4 JG |
706 | } |
707 | ||
d6e69534 PP |
708 | struct bt_self_port_output *bt_self_message_iterator_borrow_port( |
709 | struct bt_self_message_iterator *self_iterator) | |
91457551 | 710 | { |
d6e69534 | 711 | struct bt_self_component_port_input_message_iterator *iterator = |
d94d92ac PP |
712 | (void *) self_iterator; |
713 | ||
d6e69534 | 714 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); |
d94d92ac | 715 | return (void *) iterator->upstream_port; |
91457551 | 716 | } |
8ed535b5 PP |
717 | |
718 | static | |
d6e69534 | 719 | void bt_port_output_message_iterator_destroy(struct bt_object *obj) |
8ed535b5 | 720 | { |
d6e69534 | 721 | struct bt_port_output_message_iterator *iterator = (void *) obj; |
8ed535b5 | 722 | |
d6e69534 | 723 | BT_LIB_LOGD("Destroying output port message iterator object: %!+i", |
8ed535b5 PP |
724 | iterator); |
725 | BT_LOGD_STR("Putting graph."); | |
d94d92ac | 726 | BT_OBJECT_PUT_REF_AND_RESET(iterator->graph); |
8ed535b5 | 727 | BT_LOGD_STR("Putting colander sink component."); |
d94d92ac | 728 | BT_OBJECT_PUT_REF_AND_RESET(iterator->colander); |
d6e69534 | 729 | destroy_base_message_iterator(obj); |
8ed535b5 PP |
730 | } |
731 | ||
d6e69534 | 732 | struct bt_port_output_message_iterator * |
7474e7d3 | 733 | bt_port_output_message_iterator_create(struct bt_graph *graph, |
0d72b8c3 | 734 | const struct bt_port_output *output_port) |
8ed535b5 | 735 | { |
d6e69534 | 736 | struct bt_port_output_message_iterator *iterator = NULL; |
d94d92ac | 737 | struct bt_component_class_sink *colander_comp_cls = NULL; |
8ed535b5 | 738 | struct bt_component *output_port_comp = NULL; |
d94d92ac | 739 | struct bt_component_sink *colander_comp; |
8ed535b5 | 740 | enum bt_graph_status graph_status; |
d94d92ac | 741 | struct bt_port_input *colander_in_port = NULL; |
8ed535b5 | 742 | struct bt_component_class_sink_colander_data colander_data; |
d4393e08 | 743 | int ret; |
8ed535b5 | 744 | |
d94d92ac | 745 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
f42867e2 | 746 | BT_ASSERT_PRE_NON_NULL(output_port, "Output port"); |
0d72b8c3 PP |
747 | output_port_comp = bt_port_borrow_component_inline( |
748 | (const void *) output_port); | |
f42867e2 PP |
749 | BT_ASSERT_PRE(output_port_comp, |
750 | "Output port has no component: %!+p", output_port); | |
d94d92ac PP |
751 | BT_ASSERT_PRE(bt_component_borrow_graph(output_port_comp) == |
752 | (void *) graph, | |
753 | "Output port is not part of graph: %![graph-]+g, %![port-]+p", | |
754 | graph, output_port); | |
8ed535b5 | 755 | |
d6e69534 PP |
756 | /* Create message iterator */ |
757 | BT_LIB_LOGD("Creating message iterator on output port: " | |
d94d92ac | 758 | "%![port-]+p, %![comp-]+c", output_port, output_port_comp); |
d6e69534 | 759 | iterator = g_new0(struct bt_port_output_message_iterator, 1); |
8ed535b5 | 760 | if (!iterator) { |
d6e69534 | 761 | BT_LOGE_STR("Failed to allocate one output port message iterator."); |
8ed535b5 PP |
762 | goto error; |
763 | } | |
764 | ||
d6e69534 PP |
765 | ret = init_message_iterator((void *) iterator, |
766 | BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT, | |
767 | bt_port_output_message_iterator_destroy); | |
d4393e08 | 768 | if (ret) { |
d6e69534 | 769 | /* init_message_iterator() logs errors */ |
65300d60 | 770 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
d4393e08 PP |
771 | goto end; |
772 | } | |
8ed535b5 PP |
773 | |
774 | /* Create colander component */ | |
775 | colander_comp_cls = bt_component_class_sink_colander_get(); | |
776 | if (!colander_comp_cls) { | |
777 | BT_LOGW("Cannot get colander sink component class."); | |
778 | goto error; | |
779 | } | |
780 | ||
398454ed PP |
781 | iterator->graph = graph; |
782 | bt_object_get_no_null_check(iterator->graph); | |
d6e69534 | 783 | colander_data.msgs = (void *) iterator->base.msgs->pdata; |
d4393e08 | 784 | colander_data.count_addr = &iterator->count; |
5fd91d88 PP |
785 | |
786 | /* Hope that nobody uses this very unique name */ | |
d94d92ac | 787 | graph_status = |
0d72b8c3 | 788 | bt_graph_add_sink_component_with_init_method_data( |
5fd91d88 PP |
789 | (void *) graph, colander_comp_cls, |
790 | "colander-36ac3409-b1a8-4d60-ab1f-4fdf341a8fb1", | |
0d72b8c3 | 791 | NULL, &colander_data, (void *) &iterator->colander); |
8ed535b5 | 792 | if (graph_status != BT_GRAPH_STATUS_OK) { |
d94d92ac PP |
793 | BT_LIB_LOGW("Cannot add colander sink component to graph: " |
794 | "%1[graph-]+g, status=%s", graph, | |
8ed535b5 PP |
795 | bt_graph_status_string(graph_status)); |
796 | goto error; | |
797 | } | |
798 | ||
799 | /* | |
800 | * Connect provided output port to the colander component's | |
801 | * input port. | |
802 | */ | |
0d72b8c3 PP |
803 | colander_in_port = |
804 | (void *) bt_component_sink_borrow_input_port_by_index_const( | |
805 | (void *) iterator->colander, 0); | |
f6ccaed9 | 806 | BT_ASSERT(colander_in_port); |
0d72b8c3 | 807 | graph_status = bt_graph_connect_ports(graph, |
8ed535b5 PP |
808 | output_port, colander_in_port, NULL); |
809 | if (graph_status != BT_GRAPH_STATUS_OK) { | |
d94d92ac PP |
810 | BT_LIB_LOGW("Cannot add colander sink component to graph: " |
811 | "%![graph-]+g, %![comp-]+c, status=%s", graph, | |
812 | iterator->colander, | |
8ed535b5 PP |
813 | bt_graph_status_string(graph_status)); |
814 | goto error; | |
815 | } | |
816 | ||
817 | /* | |
818 | * At this point everything went fine. Make the graph | |
d6e69534 | 819 | * nonconsumable forever so that only this message iterator |
8ed535b5 | 820 | * can consume (thanks to bt_graph_consume_sink_no_check()). |
d6e69534 PP |
821 | * This avoids leaking the message created by the colander |
822 | * sink and moved to the message iterator's message | |
07245ac2 | 823 | * member. |
8ed535b5 | 824 | */ |
d94d92ac | 825 | bt_graph_set_can_consume(iterator->graph, false); |
8ed535b5 PP |
826 | goto end; |
827 | ||
828 | error: | |
829 | if (iterator && iterator->graph && iterator->colander) { | |
830 | int ret; | |
831 | ||
832 | /* Remove created colander component from graph if any */ | |
833 | colander_comp = iterator->colander; | |
65300d60 | 834 | BT_OBJECT_PUT_REF_AND_RESET(iterator->colander); |
8ed535b5 PP |
835 | |
836 | /* | |
837 | * At this point the colander component's reference | |
838 | * count is 0 because iterator->colander was the only | |
839 | * owner. We also know that it is not connected because | |
840 | * this is the last operation before this function | |
841 | * succeeds. | |
842 | * | |
843 | * Since we honor the preconditions here, | |
844 | * bt_graph_remove_unconnected_component() always | |
845 | * succeeds. | |
846 | */ | |
847 | ret = bt_graph_remove_unconnected_component(iterator->graph, | |
d94d92ac | 848 | (void *) colander_comp); |
f6ccaed9 | 849 | BT_ASSERT(ret == 0); |
8ed535b5 PP |
850 | } |
851 | ||
65300d60 | 852 | BT_OBJECT_PUT_REF_AND_RESET(iterator); |
8ed535b5 PP |
853 | |
854 | end: | |
65300d60 | 855 | bt_object_put_ref(colander_comp_cls); |
8ed535b5 PP |
856 | return (void *) iterator; |
857 | } | |
c5b9b441 | 858 | |
7474e7d3 PP |
859 | bt_bool bt_self_component_port_input_message_iterator_can_seek_ns_from_origin( |
860 | struct bt_self_component_port_input_message_iterator *iterator, | |
861 | int64_t ns_from_origin) | |
862 | { | |
863 | bt_bool can = BT_FALSE; | |
864 | ||
865 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
866 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
867 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
868 | "Graph is not configured: %!+g", | |
869 | bt_component_borrow_graph(iterator->upstream_component)); | |
870 | ||
871 | if (iterator->methods.can_seek_ns_from_origin) { | |
872 | can = iterator->methods.can_seek_ns_from_origin(iterator, | |
873 | ns_from_origin); | |
874 | goto end; | |
875 | } | |
876 | ||
877 | /* | |
878 | * Automatic seeking fall back: if we can seek to the beginning, | |
879 | * then we can automatically seek to any message. | |
880 | */ | |
881 | if (iterator->methods.can_seek_beginning) { | |
882 | can = iterator->methods.can_seek_beginning(iterator); | |
883 | } | |
884 | ||
885 | end: | |
886 | return can; | |
887 | } | |
888 | ||
889 | bt_bool bt_self_component_port_input_message_iterator_can_seek_beginning( | |
890 | struct bt_self_component_port_input_message_iterator *iterator) | |
891 | { | |
892 | bt_bool can = BT_FALSE; | |
893 | ||
894 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
895 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
896 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
897 | "Graph is not configured: %!+g", | |
898 | bt_component_borrow_graph(iterator->upstream_component)); | |
899 | ||
900 | if (iterator->methods.can_seek_beginning) { | |
901 | can = iterator->methods.can_seek_beginning(iterator); | |
902 | } | |
903 | ||
904 | return can; | |
905 | } | |
906 | ||
907 | static inline | |
908 | void _set_iterator_state_after_seeking( | |
909 | struct bt_self_component_port_input_message_iterator *iterator, | |
910 | enum bt_message_iterator_status status) | |
911 | { | |
912 | enum bt_self_component_port_input_message_iterator_state new_state = 0; | |
913 | ||
914 | /* Set iterator's state depending on seeking status */ | |
915 | switch (status) { | |
916 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
917 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE; | |
918 | break; | |
919 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
920 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_AGAIN; | |
921 | break; | |
922 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
923 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
924 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_LAST_SEEKING_RETURNED_ERROR; | |
925 | break; | |
926 | case BT_MESSAGE_ITERATOR_STATUS_END: | |
927 | new_state = BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ENDED; | |
928 | break; | |
929 | default: | |
930 | abort(); | |
931 | } | |
932 | ||
933 | set_self_comp_port_input_msg_iterator_state(iterator, new_state); | |
934 | } | |
935 | ||
936 | #ifdef BT_DEV_MODE | |
937 | # define set_iterator_state_after_seeking _set_iterator_state_after_seeking | |
938 | #else | |
939 | # define set_iterator_state_after_seeking(_iter, _status) | |
940 | #endif | |
941 | ||
942 | enum bt_message_iterator_status | |
943 | bt_self_component_port_input_message_iterator_seek_beginning( | |
944 | struct bt_self_component_port_input_message_iterator *iterator) | |
945 | { | |
946 | int status; | |
947 | ||
948 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
949 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
950 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
951 | "Graph is not configured: %!+g", | |
952 | bt_component_borrow_graph(iterator->upstream_component)); | |
953 | BT_ASSERT_PRE( | |
954 | bt_self_component_port_input_message_iterator_can_seek_beginning( | |
955 | iterator), | |
956 | "Message iterator cannot seek beginning: %!+i", iterator); | |
957 | BT_LIB_LOGD("Calling user's \"seek beginning\" method: %!+i", iterator); | |
958 | set_self_comp_port_input_msg_iterator_state(iterator, | |
959 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING); | |
960 | status = iterator->methods.seek_beginning(iterator); | |
961 | BT_LOGD("User method returned: status=%s", | |
962 | bt_message_iterator_status_string(status)); | |
963 | BT_ASSERT_PRE(status == BT_MESSAGE_ITERATOR_STATUS_OK || | |
964 | status == BT_MESSAGE_ITERATOR_STATUS_ERROR || | |
965 | status == BT_MESSAGE_ITERATOR_STATUS_NOMEM || | |
966 | status == BT_MESSAGE_ITERATOR_STATUS_AGAIN, | |
967 | "Unexpected status: %![iter-]+i, status=%s", | |
968 | iterator, bt_self_message_iterator_status_string(status)); | |
969 | set_iterator_state_after_seeking(iterator, status); | |
970 | return status; | |
971 | } | |
972 | ||
973 | static inline | |
974 | int get_message_ns_from_origin(const struct bt_message *msg, | |
975 | int64_t *ns_from_origin, bool *ignore) | |
976 | { | |
977 | const struct bt_clock_snapshot *clk_snapshot = NULL; | |
978 | int ret = 0; | |
979 | ||
980 | switch (msg->type) { | |
981 | case BT_MESSAGE_TYPE_EVENT: | |
982 | { | |
983 | const struct bt_message_event *event_msg = | |
984 | (const void *) msg; | |
985 | ||
986 | clk_snapshot = event_msg->event->default_cs; | |
987 | BT_ASSERT_PRE(clk_snapshot, | |
988 | "Event has no default clock snapshot: %!+e", | |
989 | event_msg->event); | |
990 | break; | |
991 | } | |
992 | case BT_MESSAGE_TYPE_INACTIVITY: | |
993 | { | |
994 | const struct bt_message_inactivity *inactivity_msg = | |
995 | (const void *) msg; | |
996 | ||
997 | BT_ASSERT(inactivity_msg->default_cs); | |
998 | clk_snapshot = inactivity_msg->default_cs; | |
999 | break; | |
1000 | } | |
1001 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: | |
1002 | case BT_MESSAGE_TYPE_STREAM_END: | |
1003 | /* Ignore */ | |
1004 | goto end; | |
1005 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: | |
1006 | { | |
5df26c89 | 1007 | const struct bt_message_packet *pkt_msg = |
7474e7d3 PP |
1008 | (const void *) msg; |
1009 | ||
1010 | clk_snapshot = pkt_msg->packet->default_beginning_cs; | |
1011 | break; | |
1012 | } | |
1013 | case BT_MESSAGE_TYPE_PACKET_END: | |
1014 | { | |
5df26c89 | 1015 | const struct bt_message_packet *pkt_msg = |
7474e7d3 PP |
1016 | (const void *) msg; |
1017 | ||
1018 | clk_snapshot = pkt_msg->packet->default_end_cs; | |
1019 | break; | |
1020 | } | |
1021 | default: | |
1022 | abort(); | |
1023 | } | |
1024 | ||
1025 | if (!clk_snapshot) { | |
1026 | *ignore = true; | |
1027 | goto end; | |
1028 | } | |
1029 | ||
1030 | ret = bt_clock_snapshot_get_ns_from_origin(clk_snapshot, | |
1031 | ns_from_origin); | |
1032 | ||
1033 | end: | |
1034 | return ret; | |
1035 | } | |
1036 | ||
1037 | static | |
1038 | enum bt_message_iterator_status find_message_ge_ns_from_origin( | |
1039 | struct bt_self_component_port_input_message_iterator *iterator, | |
1040 | int64_t ns_from_origin) | |
1041 | { | |
1042 | int status; | |
1043 | enum bt_self_component_port_input_message_iterator_state init_state = | |
1044 | iterator->state; | |
1045 | const struct bt_message *messages[MSG_BATCH_SIZE]; | |
1046 | uint64_t user_count = 0; | |
1047 | uint64_t i; | |
1048 | ||
1049 | BT_ASSERT(iterator); | |
1050 | memset(&messages[0], 0, sizeof(messages[0]) * MSG_BATCH_SIZE); | |
1051 | ||
1052 | /* | |
1053 | * Make this iterator temporarily active (not seeking) to call | |
1054 | * the "next" method. | |
1055 | */ | |
1056 | set_self_comp_port_input_msg_iterator_state(iterator, | |
1057 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
1058 | ||
1059 | BT_ASSERT(iterator->methods.next); | |
1060 | ||
1061 | while (true) { | |
1062 | /* | |
1063 | * Call the user's "next" method to get the next | |
1064 | * messages and status. | |
1065 | */ | |
1066 | BT_LOGD_STR("Calling user's \"next\" method."); | |
1067 | status = iterator->methods.next(iterator, | |
1068 | &messages[0], MSG_BATCH_SIZE, &user_count); | |
1069 | BT_LOGD("User method returned: status=%s", | |
1070 | bt_message_iterator_status_string(status)); | |
1071 | ||
1072 | #ifdef BT_DEV_MODE | |
1073 | /* | |
1074 | * The user's "next" method must not do any action which | |
1075 | * would change the iterator's state. | |
1076 | */ | |
1077 | BT_ASSERT(iterator->state == | |
1078 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_ACTIVE); | |
1079 | #endif | |
1080 | ||
1081 | switch (status) { | |
1082 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
1083 | BT_ASSERT_PRE(user_count <= MSG_BATCH_SIZE, | |
1084 | "Invalid returned message count: greater than " | |
1085 | "batch size: count=%" PRIu64 ", batch-size=%u", | |
1086 | user_count, MSG_BATCH_SIZE); | |
1087 | break; | |
1088 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
1089 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
1090 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
1091 | case BT_MESSAGE_ITERATOR_STATUS_END: | |
1092 | goto end; | |
1093 | default: | |
1094 | abort(); | |
1095 | } | |
1096 | ||
1097 | /* | |
1098 | * Find first message which has a default clock snapshot | |
1099 | * that is greater than or equal to the requested value. | |
1100 | * | |
1101 | * For event and inactivity messages, compare with the | |
1102 | * default clock snapshot. | |
1103 | * | |
1104 | * For packet beginning messages, compare with the | |
1105 | * default beginning clock snapshot, if any. | |
1106 | * | |
1107 | * For packet end messages, compare with the default end | |
1108 | * clock snapshot, if any. | |
1109 | * | |
1110 | * For stream beginning, stream end, ignore. | |
1111 | */ | |
1112 | for (i = 0; i < user_count; i++) { | |
1113 | const struct bt_message *msg = messages[i]; | |
1114 | int64_t msg_ns_from_origin; | |
1115 | bool ignore = false; | |
1116 | int ret; | |
1117 | ||
1118 | BT_ASSERT(msg); | |
1119 | ret = get_message_ns_from_origin(msg, &msg_ns_from_origin, | |
1120 | &ignore); | |
1121 | if (ret) { | |
1122 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
1123 | goto end; | |
1124 | } | |
1125 | ||
1126 | if (ignore) { | |
1127 | /* Skip message without a clock snapshot */ | |
1128 | continue; | |
1129 | } | |
1130 | ||
1131 | if (msg_ns_from_origin >= ns_from_origin) { | |
1132 | /* | |
1133 | * We found it: move this message and | |
1134 | * the following ones to the iterator's | |
1135 | * auto-seek message array. | |
1136 | */ | |
1137 | uint64_t j; | |
1138 | ||
1139 | for (j = i; j < user_count; j++) { | |
1140 | iterator->auto_seek_msgs->pdata[j - i] = | |
1141 | (void *) messages[j]; | |
1142 | messages[j] = NULL; | |
1143 | } | |
1144 | ||
1145 | iterator->auto_seek_msg_count = user_count - i; | |
1146 | goto end; | |
1147 | } | |
1148 | ||
1149 | bt_object_put_no_null_check(msg); | |
1150 | messages[i] = NULL; | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | end: | |
1155 | for (i = 0; i < user_count; i++) { | |
1156 | if (messages[i]) { | |
1157 | bt_object_put_no_null_check(messages[i]); | |
1158 | } | |
1159 | } | |
1160 | ||
1161 | set_self_comp_port_input_msg_iterator_state(iterator, init_state); | |
1162 | return status; | |
1163 | } | |
1164 | ||
1165 | static | |
1166 | enum bt_self_message_iterator_status post_auto_seek_next( | |
1167 | struct bt_self_component_port_input_message_iterator *iterator, | |
1168 | bt_message_array_const msgs, uint64_t capacity, | |
1169 | uint64_t *count) | |
1170 | { | |
1171 | BT_ASSERT(iterator->auto_seek_msg_count <= capacity); | |
1172 | BT_ASSERT(iterator->auto_seek_msg_count > 0); | |
1173 | ||
1174 | /* | |
1175 | * Move auto-seek messages to the output array (which is this | |
1176 | * iterator's base message array. | |
1177 | */ | |
1178 | memcpy(&msgs[0], &iterator->auto_seek_msgs->pdata[0], | |
1179 | sizeof(msgs[0]) * iterator->auto_seek_msg_count); | |
1180 | memset(&iterator->auto_seek_msgs->pdata[0], 0, | |
1181 | sizeof(iterator->auto_seek_msgs->pdata[0]) * | |
1182 | iterator->auto_seek_msg_count); | |
1183 | *count = iterator->auto_seek_msg_count; | |
1184 | ||
1185 | /* Restore real user's "next" method */ | |
1186 | switch (iterator->upstream_component->class->type) { | |
1187 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1188 | { | |
1189 | struct bt_component_class_source *src_comp_cls = | |
1190 | (void *) iterator->upstream_component->class; | |
1191 | ||
1192 | iterator->methods.next = | |
1193 | (bt_self_component_port_input_message_iterator_next_method) | |
1194 | src_comp_cls->methods.msg_iter_next; | |
1195 | break; | |
1196 | } | |
1197 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1198 | { | |
1199 | struct bt_component_class_filter *flt_comp_cls = | |
1200 | (void *) iterator->upstream_component->class; | |
1201 | ||
1202 | iterator->methods.next = | |
1203 | (bt_self_component_port_input_message_iterator_next_method) | |
1204 | flt_comp_cls->methods.msg_iter_next; | |
1205 | break; | |
1206 | } | |
1207 | default: | |
1208 | abort(); | |
1209 | } | |
1210 | ||
1211 | return BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1212 | } | |
1213 | ||
1214 | enum bt_message_iterator_status | |
1215 | bt_self_component_port_input_message_iterator_seek_ns_from_origin( | |
1216 | struct bt_self_component_port_input_message_iterator *iterator, | |
1217 | int64_t ns_from_origin) | |
1218 | { | |
1219 | int status; | |
1220 | ||
1221 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1222 | BT_ASSERT_PRE_ITER_HAS_STATE_TO_SEEK(iterator); | |
1223 | BT_ASSERT_PRE(bt_component_borrow_graph(iterator->upstream_component)->is_configured, | |
1224 | "Graph is not configured: %!+g", | |
1225 | bt_component_borrow_graph(iterator->upstream_component)); | |
1226 | BT_ASSERT_PRE( | |
1227 | bt_self_component_port_input_message_iterator_can_seek_ns_from_origin( | |
1228 | iterator, ns_from_origin), | |
1229 | "Message iterator cannot seek nanoseconds from origin: %!+i, " | |
1230 | "ns-from-origin=%" PRId64, iterator, ns_from_origin); | |
1231 | set_self_comp_port_input_msg_iterator_state(iterator, | |
1232 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_STATE_SEEKING); | |
1233 | ||
1234 | if (iterator->methods.seek_ns_from_origin) { | |
1235 | BT_LIB_LOGD("Calling user's \"seek nanoseconds from origin\" method: " | |
1236 | "%![iter-]+i, ns=%" PRId64, iterator, ns_from_origin); | |
1237 | status = iterator->methods.seek_ns_from_origin(iterator, | |
1238 | ns_from_origin); | |
1239 | BT_LOGD("User method returned: status=%s", | |
1240 | bt_message_iterator_status_string(status)); | |
1241 | BT_ASSERT_PRE(status == BT_MESSAGE_ITERATOR_STATUS_OK || | |
1242 | status == BT_MESSAGE_ITERATOR_STATUS_ERROR || | |
1243 | status == BT_MESSAGE_ITERATOR_STATUS_NOMEM || | |
1244 | status == BT_MESSAGE_ITERATOR_STATUS_AGAIN, | |
1245 | "Unexpected status: %![iter-]+i, status=%s", | |
1246 | iterator, | |
1247 | bt_self_message_iterator_status_string(status)); | |
1248 | } else { | |
1249 | /* Start automatic seeking: seek beginning first */ | |
1250 | BT_ASSERT(iterator->methods.can_seek_beginning(iterator)); | |
1251 | BT_ASSERT(iterator->methods.seek_beginning); | |
1252 | BT_LIB_LOGD("Calling user's \"seek beginning\" method: %!+i", | |
1253 | iterator); | |
1254 | status = iterator->methods.seek_beginning(iterator); | |
1255 | BT_LOGD("User method returned: status=%s", | |
1256 | bt_message_iterator_status_string(status)); | |
1257 | BT_ASSERT_PRE(status == BT_MESSAGE_ITERATOR_STATUS_OK || | |
1258 | status == BT_MESSAGE_ITERATOR_STATUS_ERROR || | |
1259 | status == BT_MESSAGE_ITERATOR_STATUS_NOMEM || | |
1260 | status == BT_MESSAGE_ITERATOR_STATUS_AGAIN, | |
1261 | "Unexpected status: %![iter-]+i, status=%s", | |
1262 | iterator, | |
1263 | bt_self_message_iterator_status_string(status)); | |
1264 | switch (status) { | |
1265 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
1266 | break; | |
1267 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
1268 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
1269 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
1270 | goto end; | |
1271 | default: | |
1272 | abort(); | |
1273 | } | |
1274 | ||
1275 | /* | |
1276 | * Find the first message which has a default clock | |
1277 | * snapshot greater than or equal to the requested | |
1278 | * nanoseconds from origin, and move the received | |
1279 | * messages from this point in the batch to this | |
1280 | * iterator's auto-seek message array. | |
1281 | */ | |
1282 | status = find_message_ge_ns_from_origin(iterator, | |
1283 | ns_from_origin); | |
1284 | switch (status) { | |
1285 | case BT_MESSAGE_ITERATOR_STATUS_OK: | |
1286 | /* | |
1287 | * Replace the user's "next" method with a | |
1288 | * custom, temporary "next" method which returns | |
1289 | * the messages in the iterator's message array. | |
1290 | */ | |
1291 | iterator->methods.next = | |
1292 | (bt_self_component_port_input_message_iterator_next_method) | |
1293 | post_auto_seek_next; | |
1294 | break; | |
1295 | case BT_MESSAGE_ITERATOR_STATUS_ERROR: | |
1296 | case BT_MESSAGE_ITERATOR_STATUS_NOMEM: | |
1297 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: | |
1298 | goto end; | |
1299 | case BT_MESSAGE_ITERATOR_STATUS_END: | |
1300 | /* | |
1301 | * The iterator reached the end: just return | |
1302 | * `BT_MESSAGE_ITERATOR_STATUS_OK` here, as if | |
1303 | * the seeking operation occured: the next | |
1304 | * "next" method will return | |
1305 | * `BT_MESSAGE_ITERATOR_STATUS_END` itself. | |
1306 | */ | |
1307 | break; | |
1308 | default: | |
1309 | abort(); | |
1310 | } | |
1311 | } | |
1312 | ||
1313 | end: | |
1314 | set_iterator_state_after_seeking(iterator, status); | |
1315 | ||
1316 | if (status == BT_MESSAGE_ITERATOR_STATUS_END) { | |
1317 | status = BT_MESSAGE_ITERATOR_STATUS_OK; | |
1318 | } | |
1319 | ||
1320 | return status; | |
1321 | } | |
1322 | ||
1323 | static inline | |
1324 | bt_self_component_port_input_message_iterator * | |
1325 | borrow_output_port_message_iterator_upstream_iterator( | |
1326 | struct bt_port_output_message_iterator *iterator) | |
1327 | { | |
1328 | struct bt_component_class_sink_colander_priv_data *colander_data; | |
1329 | ||
1330 | BT_ASSERT(iterator); | |
1331 | colander_data = (void *) iterator->colander->parent.user_data; | |
1332 | BT_ASSERT(colander_data); | |
1333 | BT_ASSERT(colander_data->msg_iter); | |
1334 | return colander_data->msg_iter; | |
1335 | } | |
1336 | ||
1337 | bt_bool bt_port_output_message_iterator_can_seek_ns_from_origin( | |
1338 | struct bt_port_output_message_iterator *iterator, | |
1339 | int64_t ns_from_origin) | |
1340 | { | |
1341 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1342 | return bt_self_component_port_input_message_iterator_can_seek_ns_from_origin( | |
1343 | borrow_output_port_message_iterator_upstream_iterator( | |
1344 | iterator), ns_from_origin); | |
1345 | } | |
1346 | ||
1347 | bt_bool bt_port_output_message_iterator_can_seek_beginning( | |
1348 | struct bt_port_output_message_iterator *iterator) | |
1349 | { | |
1350 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1351 | return bt_self_component_port_input_message_iterator_can_seek_beginning( | |
1352 | borrow_output_port_message_iterator_upstream_iterator( | |
1353 | iterator)); | |
1354 | } | |
1355 | ||
1356 | enum bt_message_iterator_status bt_port_output_message_iterator_seek_ns_from_origin( | |
1357 | struct bt_port_output_message_iterator *iterator, | |
1358 | int64_t ns_from_origin) | |
1359 | { | |
1360 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1361 | return bt_self_component_port_input_message_iterator_seek_ns_from_origin( | |
1362 | borrow_output_port_message_iterator_upstream_iterator(iterator), | |
1363 | ns_from_origin); | |
1364 | } | |
1365 | ||
1366 | enum bt_message_iterator_status bt_port_output_message_iterator_seek_beginning( | |
1367 | struct bt_port_output_message_iterator *iterator) | |
1368 | { | |
1369 | BT_ASSERT_PRE_NON_NULL(iterator, "Message iterator"); | |
1370 | return bt_self_component_port_input_message_iterator_seek_beginning( | |
1371 | borrow_output_port_message_iterator_upstream_iterator( | |
1372 | iterator)); | |
1373 | } | |
1374 | ||
d6e69534 PP |
1375 | void bt_port_output_message_iterator_get_ref( |
1376 | const struct bt_port_output_message_iterator *iterator) | |
c5b9b441 PP |
1377 | { |
1378 | bt_object_get_ref(iterator); | |
1379 | } | |
1380 | ||
d6e69534 PP |
1381 | void bt_port_output_message_iterator_put_ref( |
1382 | const struct bt_port_output_message_iterator *iterator) | |
c5b9b441 PP |
1383 | { |
1384 | bt_object_put_ref(iterator); | |
1385 | } | |
1386 | ||
d6e69534 PP |
1387 | void bt_self_component_port_input_message_iterator_get_ref( |
1388 | const struct bt_self_component_port_input_message_iterator *iterator) | |
c5b9b441 PP |
1389 | { |
1390 | bt_object_get_ref(iterator); | |
1391 | } | |
1392 | ||
d6e69534 PP |
1393 | void bt_self_component_port_input_message_iterator_put_ref( |
1394 | const struct bt_self_component_port_input_message_iterator *iterator) | |
c5b9b441 PP |
1395 | { |
1396 | bt_object_put_ref(iterator); | |
1397 | } |