Commit | Line | Data |
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958f7d11 PP |
1 | /* |
2 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
fed72692 PP |
23 | #define BT_LOG_TAG "PLUGIN-UTILS-MUXER-FLT" |
24 | #include "logging.h" | |
25 | ||
958f7d11 | 26 | #include <babeltrace/babeltrace-internal.h> |
282c8cd0 | 27 | #include <babeltrace/compat/uuid-internal.h> |
958f7d11 PP |
28 | #include <babeltrace/ctf-ir/clock-class.h> |
29 | #include <babeltrace/ctf-ir/event.h> | |
30 | #include <babeltrace/graph/clock-class-priority-map.h> | |
31 | #include <babeltrace/graph/component-filter.h> | |
32 | #include <babeltrace/graph/component.h> | |
fed72692 | 33 | #include <babeltrace/graph/component-internal.h> |
958f7d11 PP |
34 | #include <babeltrace/graph/notification-event.h> |
35 | #include <babeltrace/graph/notification-inactivity.h> | |
36 | #include <babeltrace/graph/notification-iterator.h> | |
fed72692 | 37 | #include <babeltrace/graph/notification-iterator-internal.h> |
958f7d11 PP |
38 | #include <babeltrace/graph/notification.h> |
39 | #include <babeltrace/graph/port.h> | |
40 | #include <babeltrace/graph/private-component-filter.h> | |
41 | #include <babeltrace/graph/private-component.h> | |
42 | #include <babeltrace/graph/private-component.h> | |
43 | #include <babeltrace/graph/private-connection.h> | |
44 | #include <babeltrace/graph/private-notification-iterator.h> | |
45 | #include <babeltrace/graph/private-port.h> | |
73d5c1ad | 46 | #include <babeltrace/graph/connection.h> |
fed72692 PP |
47 | #include <babeltrace/graph/connection-internal.h> |
48 | #include <babeltrace/values-internal.h> | |
958f7d11 PP |
49 | #include <plugins-common.h> |
50 | #include <glib.h> | |
c55a9f58 | 51 | #include <stdbool.h> |
fed72692 | 52 | #include <inttypes.h> |
958f7d11 | 53 | #include <assert.h> |
0fbb9a9f | 54 | #include <stdlib.h> |
282c8cd0 | 55 | #include <string.h> |
958f7d11 | 56 | |
c3acd5f3 | 57 | #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes" |
65ee897d | 58 | |
958f7d11 PP |
59 | struct muxer_comp { |
60 | /* Array of struct bt_private_notification_iterator * (weak refs) */ | |
61 | GPtrArray *muxer_notif_iters; | |
62 | ||
63 | /* Weak ref */ | |
64 | struct bt_private_component *priv_comp; | |
65 | unsigned int next_port_num; | |
66 | size_t available_input_ports; | |
67 | bool error; | |
a09c6b95 | 68 | bool initializing_muxer_notif_iter; |
282c8cd0 | 69 | bool assume_absolute_clock_classes; |
958f7d11 PP |
70 | }; |
71 | ||
72 | struct muxer_upstream_notif_iter { | |
ab11110e | 73 | /* Owned by this, NULL if ended */ |
958f7d11 PP |
74 | struct bt_notification_iterator *notif_iter; |
75 | ||
089717de PP |
76 | /* |
77 | * This flag is true if the upstream notification iterator's | |
78 | * current notification must be considered for the multiplexing | |
79 | * operations. If the upstream iterator returns | |
80 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN, then this object | |
81 | * is considered invalid, because its current notification is | |
82 | * still the previous one, but we already took it into account. | |
83 | * | |
84 | * The value of this flag is not important if notif_iter above | |
85 | * is NULL (which means the upstream iterator is finished). | |
86 | */ | |
87 | bool is_valid; | |
958f7d11 PP |
88 | }; |
89 | ||
282c8cd0 PP |
90 | enum muxer_notif_iter_clock_class_expectation { |
91 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
92 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
93 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
94 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
95 | }; | |
96 | ||
958f7d11 | 97 | struct muxer_notif_iter { |
ab11110e PP |
98 | /* |
99 | * Array of struct muxer_upstream_notif_iter * (owned by this). | |
100 | * | |
101 | * NOTE: This array is searched in linearly to find the youngest | |
102 | * current notification. Keep this until benchmarks confirm that | |
103 | * another data structure is faster than this for our typical | |
104 | * use cases. | |
105 | */ | |
958f7d11 PP |
106 | GPtrArray *muxer_upstream_notif_iters; |
107 | ||
ab11110e | 108 | /* |
06a2cb0d | 109 | * List of "recently" connected input ports (weak) to |
ab11110e PP |
110 | * handle by this muxer notification iterator. |
111 | * muxer_port_connected() adds entries to this list, and the | |
112 | * entries are removed when a notification iterator is created | |
113 | * on the port's connection and put into | |
114 | * muxer_upstream_notif_iters above by | |
115 | * muxer_notif_iter_handle_newly_connected_ports(). | |
116 | */ | |
117 | GList *newly_connected_priv_ports; | |
958f7d11 PP |
118 | |
119 | /* Next thing to return by the "next" method */ | |
120 | struct bt_notification_iterator_next_return next_next_return; | |
958f7d11 PP |
121 | |
122 | /* Last time returned in a notification */ | |
123 | int64_t last_returned_ts_ns; | |
282c8cd0 PP |
124 | |
125 | /* Clock class expectation state */ | |
126 | enum muxer_notif_iter_clock_class_expectation clock_class_expectation; | |
127 | ||
128 | /* | |
129 | * Expected clock class UUID, only valid when | |
130 | * clock_class_expectation is | |
131 | * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. | |
132 | */ | |
133 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
134 | }; |
135 | ||
ab11110e PP |
136 | static |
137 | void destroy_muxer_upstream_notif_iter( | |
138 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
139 | { | |
140 | if (!muxer_upstream_notif_iter) { | |
141 | return; | |
142 | } | |
143 | ||
fed72692 PP |
144 | BT_LOGD("Destroying muxer's upstream notification iterator wrapper: " |
145 | "addr=%p, notif-iter-addr=%p, is-valid=%d", | |
146 | muxer_upstream_notif_iter, | |
147 | muxer_upstream_notif_iter->notif_iter, | |
148 | muxer_upstream_notif_iter->is_valid); | |
ab11110e | 149 | bt_put(muxer_upstream_notif_iter->notif_iter); |
ab11110e PP |
150 | g_free(muxer_upstream_notif_iter); |
151 | } | |
152 | ||
958f7d11 PP |
153 | static |
154 | struct muxer_upstream_notif_iter *muxer_notif_iter_add_upstream_notif_iter( | |
155 | struct muxer_notif_iter *muxer_notif_iter, | |
156 | struct bt_notification_iterator *notif_iter, | |
157 | struct bt_private_port *priv_port) | |
158 | { | |
159 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
160 | g_new0(struct muxer_upstream_notif_iter, 1); | |
161 | ||
162 | if (!muxer_upstream_notif_iter) { | |
fed72692 | 163 | BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper."); |
958f7d11 PP |
164 | goto end; |
165 | } | |
166 | ||
167 | muxer_upstream_notif_iter->notif_iter = bt_get(notif_iter); | |
089717de | 168 | muxer_upstream_notif_iter->is_valid = false; |
958f7d11 PP |
169 | g_ptr_array_add(muxer_notif_iter->muxer_upstream_notif_iters, |
170 | muxer_upstream_notif_iter); | |
fed72692 PP |
171 | BT_LOGD("Added muxer's upstream notification iterator wrapper: " |
172 | "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p", | |
173 | muxer_upstream_notif_iter, muxer_notif_iter, | |
174 | notif_iter); | |
958f7d11 PP |
175 | |
176 | end: | |
177 | return muxer_upstream_notif_iter; | |
178 | } | |
179 | ||
958f7d11 | 180 | static |
147337a3 PP |
181 | enum bt_component_status ensure_available_input_port( |
182 | struct bt_private_component *priv_comp) | |
958f7d11 PP |
183 | { |
184 | struct muxer_comp *muxer_comp = | |
185 | bt_private_component_get_user_data(priv_comp); | |
147337a3 | 186 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
958f7d11 | 187 | GString *port_name = NULL; |
958f7d11 PP |
188 | |
189 | assert(muxer_comp); | |
190 | ||
191 | if (muxer_comp->available_input_ports >= 1) { | |
192 | goto end; | |
193 | } | |
194 | ||
195 | port_name = g_string_new("in"); | |
196 | if (!port_name) { | |
fed72692 | 197 | BT_LOGE_STR("Failed to allocate a GString."); |
147337a3 | 198 | status = BT_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
199 | goto end; |
200 | } | |
201 | ||
202 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
147337a3 PP |
203 | status = bt_private_component_filter_add_input_private_port( |
204 | priv_comp, port_name->str, NULL, NULL); | |
205 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
206 | BT_LOGE("Cannot add input port to muxer component: " |
207 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
208 | port_name->str, priv_comp, | |
209 | bt_component_status_string(status)); | |
958f7d11 PP |
210 | goto end; |
211 | } | |
212 | ||
213 | muxer_comp->available_input_ports++; | |
214 | muxer_comp->next_port_num++; | |
fed72692 PP |
215 | BT_LOGD("Added one input port to muxer component: " |
216 | "port-name=\"%s\", comp-addr=%p", | |
217 | port_name->str, priv_comp); | |
958f7d11 PP |
218 | end: |
219 | if (port_name) { | |
220 | g_string_free(port_name, TRUE); | |
221 | } | |
222 | ||
147337a3 | 223 | return status; |
958f7d11 PP |
224 | } |
225 | ||
958f7d11 | 226 | static |
147337a3 PP |
227 | enum bt_component_status create_output_port( |
228 | struct bt_private_component *priv_comp) | |
958f7d11 | 229 | { |
147337a3 PP |
230 | return bt_private_component_filter_add_output_private_port( |
231 | priv_comp, "out", NULL, NULL); | |
958f7d11 PP |
232 | } |
233 | ||
234 | static | |
235 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
236 | { | |
237 | if (!muxer_comp) { | |
238 | return; | |
239 | } | |
240 | ||
fed72692 PP |
241 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
242 | "muxer-notif-iter-count=%u", muxer_comp, | |
243 | muxer_comp->muxer_notif_iters->len); | |
244 | ||
958f7d11 PP |
245 | if (muxer_comp->muxer_notif_iters) { |
246 | g_ptr_array_free(muxer_comp->muxer_notif_iters, TRUE); | |
247 | } | |
248 | ||
249 | g_free(muxer_comp); | |
250 | } | |
251 | ||
65ee897d PP |
252 | static |
253 | struct bt_value *get_default_params(void) | |
254 | { | |
255 | struct bt_value *params; | |
256 | int ret; | |
257 | ||
258 | params = bt_value_map_create(); | |
259 | if (!params) { | |
fed72692 | 260 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
261 | goto error; |
262 | } | |
263 | ||
c3acd5f3 JG |
264 | ret = bt_value_map_insert_bool(params, |
265 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); | |
65ee897d | 266 | if (ret) { |
fed72692 | 267 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
268 | goto error; |
269 | } | |
270 | ||
271 | goto end; | |
272 | ||
273 | error: | |
274 | BT_PUT(params); | |
275 | ||
276 | end: | |
277 | return params; | |
278 | } | |
279 | ||
280 | static | |
281 | int configure_muxer_comp(struct muxer_comp *muxer_comp, struct bt_value *params) | |
282 | { | |
283 | struct bt_value *default_params = NULL; | |
284 | struct bt_value *real_params = NULL; | |
282c8cd0 | 285 | struct bt_value *assume_absolute_clock_classes = NULL; |
65ee897d | 286 | int ret = 0; |
c55a9f58 | 287 | bt_bool bool_val; |
65ee897d PP |
288 | |
289 | default_params = get_default_params(); | |
290 | if (!default_params) { | |
fed72692 PP |
291 | BT_LOGE("Cannot get default parameters: " |
292 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
293 | goto error; |
294 | } | |
295 | ||
296 | real_params = bt_value_map_extend(default_params, params); | |
297 | if (!real_params) { | |
fed72692 PP |
298 | BT_LOGE("Cannot extend default parameters map value: " |
299 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
300 | "params-addr=%p", muxer_comp, default_params, | |
301 | params); | |
65ee897d PP |
302 | goto error; |
303 | } | |
304 | ||
282c8cd0 | 305 | assume_absolute_clock_classes = bt_value_map_get(real_params, |
c3acd5f3 | 306 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); |
282c8cd0 | 307 | if (!bt_value_is_bool(assume_absolute_clock_classes)) { |
fed72692 PP |
308 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
309 | "muxer-comp-addr=%p, value-type=%s", | |
310 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
311 | bt_value_type_string( | |
312 | bt_value_get_type(assume_absolute_clock_classes))); | |
65ee897d PP |
313 | goto error; |
314 | } | |
315 | ||
fed72692 PP |
316 | ret = bt_value_bool_get(assume_absolute_clock_classes, &bool_val); |
317 | assert(ret == 0); | |
282c8cd0 | 318 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
fed72692 PP |
319 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
320 | "assume-absolute-clock-classes=%d", | |
321 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
322 | goto end; |
323 | ||
324 | error: | |
325 | ret = -1; | |
326 | ||
327 | end: | |
328 | bt_put(default_params); | |
329 | bt_put(real_params); | |
282c8cd0 | 330 | bt_put(assume_absolute_clock_classes); |
65ee897d PP |
331 | return ret; |
332 | } | |
333 | ||
958f7d11 PP |
334 | BT_HIDDEN |
335 | enum bt_component_status muxer_init( | |
336 | struct bt_private_component *priv_comp, | |
337 | struct bt_value *params, void *init_data) | |
338 | { | |
339 | int ret; | |
340 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; | |
341 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); | |
342 | ||
fed72692 PP |
343 | BT_LOGD("Initializing muxer component: " |
344 | "comp-addr=%p, params-addr=%p", priv_comp, params); | |
345 | ||
958f7d11 | 346 | if (!muxer_comp) { |
fed72692 | 347 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
348 | goto error; |
349 | } | |
350 | ||
65ee897d PP |
351 | ret = configure_muxer_comp(muxer_comp, params); |
352 | if (ret) { | |
fed72692 PP |
353 | BT_LOGE("Cannot configure muxer component: " |
354 | "muxer-comp-addr=%p, params-addr=%p", | |
355 | muxer_comp, params); | |
65ee897d PP |
356 | goto error; |
357 | } | |
358 | ||
958f7d11 PP |
359 | muxer_comp->muxer_notif_iters = g_ptr_array_new(); |
360 | if (!muxer_comp->muxer_notif_iters) { | |
fed72692 | 361 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
362 | goto error; |
363 | } | |
364 | ||
365 | muxer_comp->priv_comp = priv_comp; | |
366 | ret = bt_private_component_set_user_data(priv_comp, muxer_comp); | |
367 | assert(ret == 0); | |
147337a3 PP |
368 | status = ensure_available_input_port(priv_comp); |
369 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
370 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
371 | "muxer-comp-addr=%p, status=%s", | |
372 | muxer_comp, | |
373 | bt_component_status_string(status)); | |
958f7d11 PP |
374 | goto error; |
375 | } | |
376 | ||
fed72692 PP |
377 | status = create_output_port(priv_comp); |
378 | if (status) { | |
379 | BT_LOGE("Cannot create muxer component's output port: " | |
380 | "muxer-comp-addr=%p, status=%s", | |
381 | muxer_comp, | |
382 | bt_component_status_string(status)); | |
958f7d11 PP |
383 | goto error; |
384 | } | |
385 | ||
fed72692 PP |
386 | BT_LOGD("Initialized muxer component: " |
387 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
388 | priv_comp, params, muxer_comp); | |
389 | ||
958f7d11 PP |
390 | goto end; |
391 | ||
392 | error: | |
393 | destroy_muxer_comp(muxer_comp); | |
394 | ret = bt_private_component_set_user_data(priv_comp, NULL); | |
395 | assert(ret == 0); | |
147337a3 PP |
396 | |
397 | if (status == BT_COMPONENT_STATUS_OK) { | |
398 | status = BT_COMPONENT_STATUS_ERROR; | |
399 | } | |
958f7d11 PP |
400 | |
401 | end: | |
402 | return status; | |
403 | } | |
404 | ||
405 | BT_HIDDEN | |
406 | void muxer_finalize(struct bt_private_component *priv_comp) | |
407 | { | |
408 | struct muxer_comp *muxer_comp = | |
409 | bt_private_component_get_user_data(priv_comp); | |
410 | ||
fed72692 PP |
411 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
412 | priv_comp); | |
958f7d11 PP |
413 | destroy_muxer_comp(muxer_comp); |
414 | } | |
415 | ||
416 | static | |
417 | struct bt_notification_iterator *create_notif_iter_on_input_port( | |
418 | struct bt_private_port *priv_port, int *ret) | |
419 | { | |
420 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
421 | struct bt_notification_iterator *notif_iter = NULL; | |
422 | struct bt_private_connection *priv_conn = NULL; | |
73d5c1ad | 423 | enum bt_connection_status conn_status; |
958f7d11 PP |
424 | |
425 | assert(ret); | |
426 | *ret = 0; | |
427 | assert(port); | |
958f7d11 PP |
428 | assert(bt_port_is_connected(port)); |
429 | priv_conn = bt_private_port_get_private_connection(priv_port); | |
fed72692 | 430 | assert(priv_conn); |
958f7d11 | 431 | |
ab11110e PP |
432 | // TODO: Advance the iterator to >= the time of the latest |
433 | // returned notification by the muxer notification | |
434 | // iterator which creates it. | |
73d5c1ad PP |
435 | conn_status = bt_private_connection_create_notification_iterator( |
436 | priv_conn, NULL, ¬if_iter); | |
437 | if (conn_status != BT_CONNECTION_STATUS_OK) { | |
fed72692 PP |
438 | BT_LOGE("Cannot create upstream notification iterator on input port's connection: " |
439 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
440 | "status=%s", | |
441 | port, bt_port_get_name(port), priv_conn, | |
442 | bt_connection_status_string(conn_status)); | |
958f7d11 PP |
443 | *ret = -1; |
444 | goto end; | |
445 | } | |
446 | ||
fed72692 PP |
447 | BT_LOGD("Created upstream notification iterator on input port's connection: " |
448 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
449 | "notif-iter-addr=%p", | |
450 | port, bt_port_get_name(port), priv_conn, notif_iter); | |
451 | ||
958f7d11 PP |
452 | end: |
453 | bt_put(port); | |
454 | bt_put(priv_conn); | |
455 | return notif_iter; | |
456 | } | |
457 | ||
ab11110e | 458 | static |
089717de | 459 | enum bt_notification_iterator_status muxer_upstream_notif_iter_next( |
ab11110e PP |
460 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) |
461 | { | |
089717de | 462 | enum bt_notification_iterator_status status; |
ab11110e | 463 | |
fed72692 PP |
464 | BT_LOGV("Calling upstream notification iterator's \"next\" method: " |
465 | "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p", | |
466 | muxer_upstream_notif_iter, | |
467 | muxer_upstream_notif_iter->notif_iter); | |
089717de | 468 | status = bt_notification_iterator_next( |
ab11110e | 469 | muxer_upstream_notif_iter->notif_iter); |
fed72692 PP |
470 | BT_LOGV("Upstream notification iterator's \"next\" method returned: " |
471 | "status=%s", bt_notification_iterator_status_string(status)); | |
ab11110e | 472 | |
089717de | 473 | switch (status) { |
ab11110e | 474 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
089717de PP |
475 | /* |
476 | * Notification iterator's current notification is valid: | |
477 | * it must be considered for muxing operations. | |
478 | */ | |
fed72692 | 479 | BT_LOGV_STR("Validated upstream notification iterator wrapper."); |
089717de | 480 | muxer_upstream_notif_iter->is_valid = true; |
ab11110e PP |
481 | break; |
482 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
089717de PP |
483 | /* |
484 | * Notification iterator's current notification is not | |
485 | * valid anymore. Return | |
486 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN | |
487 | * immediately. | |
488 | */ | |
fed72692 | 489 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_AGAIN."); |
089717de | 490 | muxer_upstream_notif_iter->is_valid = false; |
ab11110e | 491 | break; |
beed0223 MD |
492 | case BT_NOTIFICATION_ITERATOR_STATUS_END: /* Fall-through. */ |
493 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
ab11110e PP |
494 | /* |
495 | * Notification iterator reached the end: release it. It | |
496 | * won't be considered again to find the youngest | |
497 | * notification. | |
498 | */ | |
fed72692 | 499 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_END or BT_NOTIFICATION_ITERATOR_STATUS_CANCELED."); |
ab11110e | 500 | BT_PUT(muxer_upstream_notif_iter->notif_iter); |
089717de PP |
501 | muxer_upstream_notif_iter->is_valid = false; |
502 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
503 | break; | |
ab11110e PP |
504 | default: |
505 | /* Error or unsupported status code */ | |
fed72692 PP |
506 | BT_LOGE("Error or unsupported status code: " |
507 | "status-code=%d", status); | |
089717de PP |
508 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
509 | break; | |
ab11110e PP |
510 | } |
511 | ||
089717de | 512 | return status; |
ab11110e PP |
513 | } |
514 | ||
515 | static | |
089717de | 516 | int muxer_notif_iter_handle_newly_connected_ports( |
ab11110e PP |
517 | struct muxer_notif_iter *muxer_notif_iter) |
518 | { | |
ab11110e PP |
519 | int ret = 0; |
520 | ||
fed72692 PP |
521 | BT_LOGV("Handling newly connected ports: " |
522 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
523 | ||
ab11110e PP |
524 | /* |
525 | * Here we create one upstream notification iterator for each | |
089717de PP |
526 | * newly connected port. We do not perform an initial "next" on |
527 | * those new upstream notification iterators: they are | |
528 | * invalidated, to be validated later. The list of newly | |
529 | * connected ports to handle here is updated by | |
530 | * muxer_port_connected(). | |
ab11110e PP |
531 | */ |
532 | while (true) { | |
533 | GList *node = muxer_notif_iter->newly_connected_priv_ports; | |
534 | struct bt_private_port *priv_port; | |
535 | struct bt_port *port; | |
536 | struct bt_notification_iterator *upstream_notif_iter = NULL; | |
537 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; | |
538 | ||
539 | if (!node) { | |
540 | break; | |
541 | } | |
542 | ||
543 | priv_port = node->data; | |
544 | port = bt_port_from_private_port(priv_port); | |
545 | assert(port); | |
546 | ||
547 | if (!bt_port_is_connected(port)) { | |
548 | /* | |
549 | * Looks like this port is not connected | |
550 | * anymore: we can't create an upstream | |
089717de PP |
551 | * notification iterator on its (non-existing) |
552 | * connection in this case. | |
ab11110e PP |
553 | */ |
554 | goto remove_node; | |
555 | } | |
556 | ||
557 | BT_PUT(port); | |
558 | upstream_notif_iter = create_notif_iter_on_input_port(priv_port, | |
559 | &ret); | |
560 | if (ret) { | |
fed72692 | 561 | /* create_notif_iter_on_input_port() logs errors */ |
ab11110e | 562 | assert(!upstream_notif_iter); |
ab11110e PP |
563 | goto error; |
564 | } | |
565 | ||
566 | muxer_upstream_notif_iter = | |
567 | muxer_notif_iter_add_upstream_notif_iter( | |
568 | muxer_notif_iter, upstream_notif_iter, | |
569 | priv_port); | |
ab11110e PP |
570 | BT_PUT(upstream_notif_iter); |
571 | if (!muxer_upstream_notif_iter) { | |
fed72692 PP |
572 | /* |
573 | * muxer_notif_iter_add_upstream_notif_iter() | |
574 | * logs errors. | |
575 | */ | |
ab11110e PP |
576 | goto error; |
577 | } | |
578 | ||
ab11110e PP |
579 | remove_node: |
580 | bt_put(upstream_notif_iter); | |
581 | bt_put(port); | |
ab11110e PP |
582 | muxer_notif_iter->newly_connected_priv_ports = |
583 | g_list_delete_link( | |
584 | muxer_notif_iter->newly_connected_priv_ports, | |
585 | node); | |
586 | } | |
587 | ||
588 | goto end; | |
589 | ||
590 | error: | |
089717de | 591 | if (ret >= 0) { |
ab11110e PP |
592 | ret = -1; |
593 | } | |
594 | ||
595 | end: | |
ab11110e PP |
596 | return ret; |
597 | } | |
598 | ||
958f7d11 PP |
599 | static |
600 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 601 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
602 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
603 | int64_t *ts_ns) | |
604 | { | |
605 | struct bt_clock_class_priority_map *cc_prio_map = NULL; | |
606 | struct bt_ctf_clock_class *clock_class = NULL; | |
607 | struct bt_ctf_clock_value *clock_value = NULL; | |
608 | struct bt_ctf_event *event = NULL; | |
609 | int ret = 0; | |
282c8cd0 | 610 | const unsigned char *cc_uuid; |
fed72692 | 611 | const char *cc_name; |
958f7d11 PP |
612 | |
613 | assert(notif); | |
614 | assert(ts_ns); | |
615 | ||
fed72692 PP |
616 | BT_LOGV("Getting notification's timestamp: " |
617 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
618 | "last-returned-ts=%" PRId64, | |
619 | muxer_notif_iter, notif, last_returned_ts_ns); | |
620 | ||
958f7d11 PP |
621 | switch (bt_notification_get_type(notif)) { |
622 | case BT_NOTIFICATION_TYPE_EVENT: | |
623 | cc_prio_map = | |
624 | bt_notification_event_get_clock_class_priority_map( | |
625 | notif); | |
626 | break; | |
627 | ||
628 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
629 | cc_prio_map = | |
a09c6b95 | 630 | bt_notification_inactivity_get_clock_class_priority_map( |
958f7d11 PP |
631 | notif); |
632 | break; | |
633 | default: | |
089717de | 634 | /* All the other notifications have a higher priority */ |
fed72692 | 635 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
636 | *ts_ns = last_returned_ts_ns; |
637 | goto end; | |
638 | } | |
639 | ||
640 | if (!cc_prio_map) { | |
fed72692 PP |
641 | BT_LOGE("Cannot get notification's clock class priority map: " |
642 | "notif-addr=%p", notif); | |
958f7d11 PP |
643 | goto error; |
644 | } | |
645 | ||
646 | /* | |
647 | * If the clock class priority map is empty, then we consider | |
648 | * that this notification has no time. In this case it's always | |
649 | * the youngest. | |
650 | */ | |
651 | if (bt_clock_class_priority_map_get_clock_class_count(cc_prio_map) == 0) { | |
fed72692 PP |
652 | BT_LOGV_STR("Notification's clock class priorty map contains 0 clock classes: " |
653 | "using the last returned timestamp."); | |
958f7d11 PP |
654 | *ts_ns = last_returned_ts_ns; |
655 | goto end; | |
656 | } | |
657 | ||
658 | clock_class = | |
659 | bt_clock_class_priority_map_get_highest_priority_clock_class( | |
660 | cc_prio_map); | |
661 | if (!clock_class) { | |
fed72692 PP |
662 | BT_LOGE("Cannot get the clock class with the highest priority from clock class priority map: " |
663 | "cc-prio-map-addr=%p", cc_prio_map); | |
958f7d11 PP |
664 | goto error; |
665 | } | |
666 | ||
282c8cd0 | 667 | cc_uuid = bt_ctf_clock_class_get_uuid(clock_class); |
fed72692 | 668 | cc_name = bt_ctf_clock_class_get_name(clock_class); |
282c8cd0 PP |
669 | |
670 | if (muxer_notif_iter->clock_class_expectation == | |
671 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
672 | /* | |
673 | * This is the first clock class that this muxer | |
674 | * notification iterator encounters. Its properties | |
675 | * determine what to expect for the whole lifetime of | |
676 | * the iterator without a true | |
677 | * `assume-absolute-clock-classes` parameter. | |
678 | */ | |
679 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
680 | /* Expect absolute clock classes */ | |
681 | muxer_notif_iter->clock_class_expectation = | |
682 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
683 | } else { | |
684 | if (cc_uuid) { | |
685 | /* | |
686 | * Expect non-absolute clock classes | |
687 | * with a specific UUID. | |
688 | */ | |
689 | muxer_notif_iter->clock_class_expectation = | |
690 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
691 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
692 | cc_uuid, BABELTRACE_UUID_LEN); | |
693 | } else { | |
694 | /* | |
695 | * Expect non-absolute clock classes | |
696 | * with no UUID. | |
697 | */ | |
698 | muxer_notif_iter->clock_class_expectation = | |
699 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
700 | } | |
701 | } | |
702 | } | |
703 | ||
704 | if (!muxer_comp->assume_absolute_clock_classes) { | |
705 | switch (muxer_notif_iter->clock_class_expectation) { | |
706 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
707 | if (!bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
708 | BT_LOGE("Expecting an absolute clock class, " |
709 | "but got a non-absolute one: " | |
710 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
711 | clock_class, cc_name); | |
282c8cd0 PP |
712 | goto error; |
713 | } | |
714 | break; | |
715 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
716 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
717 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
718 | "but got an absolute one: " | |
719 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
720 | clock_class, cc_name); | |
282c8cd0 PP |
721 | goto error; |
722 | } | |
723 | ||
724 | if (cc_uuid) { | |
fed72692 PP |
725 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
726 | "but got one with a UUID: " | |
727 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
728 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
729 | clock_class, cc_name, | |
730 | (unsigned int) cc_uuid[0], | |
731 | (unsigned int) cc_uuid[1], | |
732 | (unsigned int) cc_uuid[2], | |
733 | (unsigned int) cc_uuid[3], | |
734 | (unsigned int) cc_uuid[4], | |
735 | (unsigned int) cc_uuid[5], | |
736 | (unsigned int) cc_uuid[6], | |
737 | (unsigned int) cc_uuid[7], | |
738 | (unsigned int) cc_uuid[8], | |
739 | (unsigned int) cc_uuid[9], | |
740 | (unsigned int) cc_uuid[10], | |
741 | (unsigned int) cc_uuid[11], | |
742 | (unsigned int) cc_uuid[12], | |
743 | (unsigned int) cc_uuid[13], | |
744 | (unsigned int) cc_uuid[14], | |
745 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
746 | goto error; |
747 | } | |
748 | break; | |
749 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
750 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
751 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
752 | "but got an absolute one: " | |
753 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
754 | clock_class, cc_name); | |
282c8cd0 PP |
755 | goto error; |
756 | } | |
757 | ||
758 | if (!cc_uuid) { | |
fed72692 PP |
759 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
760 | "but got one with no UUID: " | |
761 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
762 | clock_class, cc_name); | |
282c8cd0 PP |
763 | goto error; |
764 | } | |
765 | ||
766 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
767 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
fed72692 PP |
768 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
769 | "but got one with different UUID: " | |
770 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
771 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
772 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
773 | clock_class, cc_name, | |
774 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
775 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
776 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
777 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
778 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
779 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
780 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
781 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
782 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
783 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
784 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
785 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
786 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
787 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
788 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
789 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
790 | (unsigned int) cc_uuid[0], | |
791 | (unsigned int) cc_uuid[1], | |
792 | (unsigned int) cc_uuid[2], | |
793 | (unsigned int) cc_uuid[3], | |
794 | (unsigned int) cc_uuid[4], | |
795 | (unsigned int) cc_uuid[5], | |
796 | (unsigned int) cc_uuid[6], | |
797 | (unsigned int) cc_uuid[7], | |
798 | (unsigned int) cc_uuid[8], | |
799 | (unsigned int) cc_uuid[9], | |
800 | (unsigned int) cc_uuid[10], | |
801 | (unsigned int) cc_uuid[11], | |
802 | (unsigned int) cc_uuid[12], | |
803 | (unsigned int) cc_uuid[13], | |
804 | (unsigned int) cc_uuid[14], | |
805 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
806 | goto error; |
807 | } | |
808 | break; | |
809 | default: | |
810 | /* Unexpected */ | |
fed72692 PP |
811 | BT_LOGF("Unexpected clock class expectation: " |
812 | "expectation-code=%d", | |
813 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
814 | abort(); |
815 | } | |
958f7d11 PP |
816 | } |
817 | ||
818 | switch (bt_notification_get_type(notif)) { | |
819 | case BT_NOTIFICATION_TYPE_EVENT: | |
820 | event = bt_notification_event_get_event(notif); | |
ab11110e | 821 | assert(event); |
958f7d11 PP |
822 | clock_value = bt_ctf_event_get_clock_value(event, |
823 | clock_class); | |
824 | break; | |
825 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
826 | clock_value = bt_notification_inactivity_get_clock_value( | |
827 | notif, clock_class); | |
828 | break; | |
829 | default: | |
fed72692 PP |
830 | BT_LOGF("Unexpected notification type at this point: " |
831 | "type=%d", bt_notification_get_type(notif)); | |
0fbb9a9f | 832 | abort(); |
958f7d11 PP |
833 | } |
834 | ||
835 | if (!clock_value) { | |
fed72692 PP |
836 | BT_LOGE("Cannot get notification's clock value for clock class: " |
837 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
838 | clock_class, cc_name); | |
958f7d11 PP |
839 | goto error; |
840 | } | |
841 | ||
842 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, ts_ns); | |
843 | if (ret) { | |
fed72692 PP |
844 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
845 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
846 | goto error; |
847 | } | |
848 | ||
849 | goto end; | |
850 | ||
851 | error: | |
852 | ret = -1; | |
853 | ||
854 | end: | |
fed72692 PP |
855 | if (ret == 0) { |
856 | BT_LOGV("Found notification's timestamp: " | |
857 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
858 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
859 | muxer_notif_iter, notif, last_returned_ts_ns, | |
860 | *ts_ns); | |
861 | } | |
862 | ||
958f7d11 PP |
863 | bt_put(cc_prio_map); |
864 | bt_put(event); | |
865 | bt_put(clock_class); | |
866 | bt_put(clock_value); | |
867 | return ret; | |
868 | } | |
869 | ||
ab11110e PP |
870 | /* |
871 | * This function finds the youngest available notification amongst the | |
872 | * non-ended upstream notification iterators and returns the upstream | |
873 | * notification iterator which has it, or | |
874 | * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available | |
875 | * notification. | |
876 | * | |
877 | * This function does NOT: | |
878 | * | |
879 | * * Update any upstream notification iterator. | |
880 | * * Check for newly connected ports. | |
881 | * * Check the upstream notification iterators to retry. | |
882 | * | |
883 | * On sucess, this function sets *muxer_upstream_notif_iter to the | |
884 | * upstream notification iterator of which the current notification is | |
885 | * the youngest, and sets *ts_ns to its time. | |
886 | */ | |
958f7d11 PP |
887 | static |
888 | enum bt_notification_iterator_status | |
889 | muxer_notif_iter_youngest_upstream_notif_iter( | |
890 | struct muxer_comp *muxer_comp, | |
891 | struct muxer_notif_iter *muxer_notif_iter, | |
892 | struct muxer_upstream_notif_iter **muxer_upstream_notif_iter, | |
893 | int64_t *ts_ns) | |
894 | { | |
895 | size_t i; | |
896 | int ret; | |
897 | int64_t youngest_ts_ns = INT64_MAX; | |
898 | enum bt_notification_iterator_status status = | |
899 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
900 | ||
901 | assert(muxer_comp); | |
902 | assert(muxer_notif_iter); | |
903 | assert(muxer_upstream_notif_iter); | |
904 | *muxer_upstream_notif_iter = NULL; | |
905 | ||
906 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { | |
907 | struct bt_notification *notif; | |
908 | struct muxer_upstream_notif_iter *cur_muxer_upstream_notif_iter = | |
909 | g_ptr_array_index(muxer_notif_iter->muxer_upstream_notif_iters, i); | |
910 | int64_t notif_ts_ns; | |
911 | ||
912 | if (!cur_muxer_upstream_notif_iter->notif_iter) { | |
ab11110e | 913 | /* This upstream notification iterator is ended */ |
fed72692 PP |
914 | BT_LOGV("Skipping ended upstream notification iterator: " |
915 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
916 | cur_muxer_upstream_notif_iter); | |
958f7d11 PP |
917 | continue; |
918 | } | |
919 | ||
089717de | 920 | assert(cur_muxer_upstream_notif_iter->is_valid); |
958f7d11 PP |
921 | notif = bt_notification_iterator_get_notification( |
922 | cur_muxer_upstream_notif_iter->notif_iter); | |
923 | assert(notif); | |
282c8cd0 | 924 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 PP |
925 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
926 | bt_put(notif); | |
927 | if (ret) { | |
fed72692 | 928 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
929 | *muxer_upstream_notif_iter = NULL; |
930 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
931 | goto end; | |
932 | } | |
933 | ||
934 | if (notif_ts_ns <= youngest_ts_ns) { | |
935 | *muxer_upstream_notif_iter = | |
936 | cur_muxer_upstream_notif_iter; | |
937 | youngest_ts_ns = notif_ts_ns; | |
938 | *ts_ns = youngest_ts_ns; | |
939 | } | |
940 | } | |
941 | ||
942 | if (!*muxer_upstream_notif_iter) { | |
943 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
944 | *ts_ns = INT64_MIN; | |
945 | } | |
946 | ||
947 | end: | |
948 | return status; | |
949 | } | |
950 | ||
951 | static | |
089717de PP |
952 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
953 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 954 | { |
089717de PP |
955 | enum bt_notification_iterator_status status = |
956 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 957 | |
fed72692 PP |
958 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
959 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
960 | muxer_upstream_notif_iter); | |
961 | ||
089717de PP |
962 | if (muxer_upstream_notif_iter->is_valid || |
963 | !muxer_upstream_notif_iter->notif_iter) { | |
ab11110e PP |
964 | goto end; |
965 | } | |
966 | ||
fed72692 | 967 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
968 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
969 | ||
970 | end: | |
971 | return status; | |
972 | } | |
973 | ||
974 | static | |
975 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
976 | struct muxer_notif_iter *muxer_notif_iter) | |
977 | { | |
978 | enum bt_notification_iterator_status status = | |
979 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
980 | size_t i; | |
981 | ||
fed72692 PP |
982 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
983 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
984 | ||
089717de PP |
985 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
986 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
987 | g_ptr_array_index( | |
988 | muxer_notif_iter->muxer_upstream_notif_iters, | |
989 | i); | |
990 | ||
991 | status = validate_muxer_upstream_notif_iter( | |
992 | muxer_upstream_notif_iter); | |
993 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
fed72692 PP |
994 | if (status < 0) { |
995 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
996 | "muxer-notif-iter-addr=%p, " | |
997 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
998 | muxer_notif_iter, | |
999 | muxer_upstream_notif_iter); | |
1000 | } else { | |
1001 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
1002 | "muxer-notif-iter-addr=%p, " | |
1003 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1004 | muxer_notif_iter, | |
1005 | muxer_upstream_notif_iter); | |
1006 | } | |
1007 | ||
089717de PP |
1008 | goto end; |
1009 | } | |
744ba28b PP |
1010 | |
1011 | /* | |
1012 | * Remove this muxer upstream notification iterator | |
1013 | * if it's ended or canceled. | |
1014 | */ | |
1015 | if (!muxer_upstream_notif_iter->notif_iter) { | |
1016 | /* | |
1017 | * Use g_ptr_array_remove_fast() because the | |
1018 | * order of those elements is not important. | |
1019 | */ | |
fed72692 PP |
1020 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
1021 | "muxer-notif-iter-addr=%p, " | |
1022 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1023 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
1024 | g_ptr_array_remove_index_fast( |
1025 | muxer_notif_iter->muxer_upstream_notif_iters, | |
1026 | i); | |
1027 | i--; | |
1028 | } | |
089717de PP |
1029 | } |
1030 | ||
1031 | end: | |
1032 | return status; | |
1033 | } | |
1034 | ||
1035 | static | |
1036 | struct bt_notification_iterator_next_return muxer_notif_iter_do_next( | |
1037 | struct muxer_comp *muxer_comp, | |
1038 | struct muxer_notif_iter *muxer_notif_iter) | |
1039 | { | |
1040 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; | |
1041 | struct bt_notification_iterator_next_return next_return = { | |
1042 | .notification = NULL, | |
1043 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, | |
1044 | }; | |
1045 | int64_t next_return_ts; | |
1046 | ||
1047 | while (true) { | |
1048 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1049 | muxer_notif_iter); | |
1050 | ||
1051 | if (ret) { | |
fed72692 PP |
1052 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1053 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1054 | "ret=%d", | |
1055 | muxer_comp, muxer_notif_iter, ret); | |
089717de PP |
1056 | next_return.status = |
1057 | BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1058 | goto end; | |
1059 | } | |
1060 | ||
1061 | next_return.status = | |
1062 | validate_muxer_upstream_notif_iters(muxer_notif_iter); | |
1063 | if (next_return.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
3823b499 | 1064 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1065 | goto end; |
1066 | } | |
ab11110e | 1067 | |
958f7d11 | 1068 | /* |
089717de PP |
1069 | * At this point, we know that all the existing upstream |
1070 | * notification iterators are valid. However the | |
1071 | * operations to validate them (during | |
1072 | * validate_muxer_upstream_notif_iters()) may have | |
1073 | * connected new ports. If no ports were connected | |
1074 | * during this operation, exit the loop. | |
958f7d11 | 1075 | */ |
089717de | 1076 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1077 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1078 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1079 | break; |
1080 | } | |
958f7d11 PP |
1081 | } |
1082 | ||
089717de PP |
1083 | assert(!muxer_notif_iter->newly_connected_priv_ports); |
1084 | ||
958f7d11 | 1085 | /* |
089717de PP |
1086 | * At this point we know that all the existing upstream |
1087 | * notification iterators are valid. We can find the one, | |
1088 | * amongst those, of which the current notification is the | |
1089 | * youngest. | |
958f7d11 | 1090 | */ |
089717de | 1091 | next_return.status = |
958f7d11 PP |
1092 | muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
1093 | muxer_notif_iter, &muxer_upstream_notif_iter, | |
089717de PP |
1094 | &next_return_ts); |
1095 | if (next_return.status < 0 || | |
beed0223 MD |
1096 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1097 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
fed72692 PP |
1098 | if (next_return.status < 0) { |
1099 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " | |
1100 | "status=%s", | |
1101 | bt_notification_iterator_status_string(next_return.status)); | |
1102 | } else { | |
1103 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1104 | "status=%s", | |
1105 | bt_notification_iterator_status_string(next_return.status)); | |
1106 | } | |
1107 | ||
958f7d11 PP |
1108 | goto end; |
1109 | } | |
1110 | ||
089717de | 1111 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
fed72692 PP |
1112 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1113 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1114 | "last-returned-ts=%" PRId64, | |
1115 | muxer_notif_iter, next_return_ts, | |
1116 | muxer_notif_iter->last_returned_ts_ns); | |
089717de | 1117 | next_return.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1118 | goto end; |
1119 | } | |
1120 | ||
fed72692 PP |
1121 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1122 | "muxer-notif-iter-addr=%p, " | |
1123 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1124 | "ts=%" PRId64, | |
1125 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
089717de PP |
1126 | assert(next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
1127 | assert(muxer_upstream_notif_iter); | |
1128 | next_return.notification = bt_notification_iterator_get_notification( | |
1129 | muxer_upstream_notif_iter->notif_iter); | |
1130 | assert(next_return.notification); | |
958f7d11 PP |
1131 | |
1132 | /* | |
089717de PP |
1133 | * We invalidate the upstream notification iterator so that, the |
1134 | * next time this function is called, | |
1135 | * validate_muxer_upstream_notif_iters() will make it valid. | |
958f7d11 | 1136 | */ |
089717de PP |
1137 | muxer_upstream_notif_iter->is_valid = false; |
1138 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1139 | |
1140 | end: | |
089717de | 1141 | return next_return; |
958f7d11 PP |
1142 | } |
1143 | ||
1144 | static | |
ab11110e PP |
1145 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1146 | { | |
ab11110e PP |
1147 | if (!muxer_notif_iter) { |
1148 | return; | |
1149 | } | |
1150 | ||
fed72692 PP |
1151 | BT_LOGD("Destroying muxer component's notification iterator: " |
1152 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1153 | ||
ab11110e | 1154 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
fed72692 | 1155 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1156 | g_ptr_array_free( |
1157 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1158 | } | |
1159 | ||
ab11110e PP |
1160 | g_list_free(muxer_notif_iter->newly_connected_priv_ports); |
1161 | g_free(muxer_notif_iter); | |
1162 | } | |
1163 | ||
1164 | static | |
1165 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1166 | struct muxer_notif_iter *muxer_notif_iter) |
1167 | { | |
ab11110e | 1168 | struct bt_component *comp; |
544d0515 PP |
1169 | int64_t count; |
1170 | int64_t i; | |
ab11110e | 1171 | int ret = 0; |
958f7d11 | 1172 | |
ab11110e PP |
1173 | /* |
1174 | * Add the connected input ports to this muxer notification | |
1175 | * iterator's list of newly connected ports. They will be | |
1176 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1177 | */ | |
958f7d11 PP |
1178 | comp = bt_component_from_private_component(muxer_comp->priv_comp); |
1179 | assert(comp); | |
544d0515 PP |
1180 | count = bt_component_filter_get_input_port_count(comp); |
1181 | if (count < 0) { | |
fed72692 PP |
1182 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1183 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1184 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1185 | goto end; |
1186 | } | |
958f7d11 PP |
1187 | |
1188 | for (i = 0; i < count; i++) { | |
1189 | struct bt_private_port *priv_port = | |
9ac68eb1 | 1190 | bt_private_component_filter_get_input_private_port_by_index( |
958f7d11 PP |
1191 | muxer_comp->priv_comp, i); |
1192 | struct bt_port *port; | |
958f7d11 PP |
1193 | |
1194 | assert(priv_port); | |
958f7d11 | 1195 | port = bt_port_from_private_port(priv_port); |
ab11110e | 1196 | assert(port); |
958f7d11 PP |
1197 | |
1198 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1199 | BT_LOGD("Skipping input port: not connected: " |
1200 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1201 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 | 1202 | bt_put(priv_port); |
ab11110e | 1203 | bt_put(port); |
958f7d11 PP |
1204 | continue; |
1205 | } | |
1206 | ||
1207 | bt_put(port); | |
06a2cb0d | 1208 | bt_put(priv_port); |
ab11110e PP |
1209 | muxer_notif_iter->newly_connected_priv_ports = |
1210 | g_list_append( | |
1211 | muxer_notif_iter->newly_connected_priv_ports, | |
958f7d11 | 1212 | priv_port); |
ab11110e | 1213 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1214 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1215 | "port-addr=%p, port-name=\"%s\", " | |
1216 | "muxer-notif-iter-addr=%p", port, | |
1217 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1218 | ret = -1; |
1219 | goto end; | |
958f7d11 | 1220 | } |
fed72692 PP |
1221 | |
1222 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1223 | "port-addr=%p, port-name=\"%s\", " | |
1224 | "muxer-notif-iter-addr=%p", port, | |
1225 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1226 | } |
1227 | ||
1228 | end: | |
1229 | bt_put(comp); | |
1230 | return ret; | |
1231 | } | |
1232 | ||
958f7d11 PP |
1233 | BT_HIDDEN |
1234 | enum bt_notification_iterator_status muxer_notif_iter_init( | |
1235 | struct bt_private_notification_iterator *priv_notif_iter, | |
1236 | struct bt_private_port *output_priv_port) | |
1237 | { | |
1238 | struct muxer_comp *muxer_comp = NULL; | |
1239 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
1240 | struct bt_private_component *priv_comp = NULL; | |
1241 | enum bt_notification_iterator_status status = | |
1242 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1243 | int ret; | |
1244 | ||
1245 | priv_comp = bt_private_notification_iterator_get_private_component( | |
1246 | priv_notif_iter); | |
1247 | assert(priv_comp); | |
1248 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1249 | assert(muxer_comp); | |
fed72692 PP |
1250 | BT_LOGD("Initializing muxer component's notification iterator: " |
1251 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1252 | priv_comp, muxer_comp, priv_notif_iter); | |
a09c6b95 PP |
1253 | |
1254 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1255 | /* | |
089717de PP |
1256 | * Weird, unhandled situation detected: downstream |
1257 | * creates a muxer notification iterator while creating | |
1258 | * another muxer notification iterator (same component). | |
a09c6b95 | 1259 | */ |
fed72692 PP |
1260 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1261 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1262 | priv_comp, muxer_comp, priv_notif_iter); | |
958f7d11 PP |
1263 | goto error; |
1264 | } | |
1265 | ||
a09c6b95 PP |
1266 | muxer_comp->initializing_muxer_notif_iter = true; |
1267 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1268 | if (!muxer_notif_iter) { | |
fed72692 | 1269 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1270 | goto error; |
1271 | } | |
1272 | ||
958f7d11 PP |
1273 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1274 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1275 | g_ptr_array_new_with_free_func( | |
1276 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1277 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
fed72692 | 1278 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1279 | goto error; |
1280 | } | |
1281 | ||
a09c6b95 PP |
1282 | /* |
1283 | * Add the muxer notification iterator to the component's array | |
1284 | * of muxer notification iterators here because | |
1285 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1286 | * muxer_port_connected() to be called, which adds the newly | |
1287 | * connected port to each muxer notification iterator's list of | |
1288 | * newly connected ports. | |
1289 | */ | |
1290 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1291 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1292 | muxer_notif_iter); | |
1293 | if (ret) { | |
fed72692 PP |
1294 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1295 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1296 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
1297 | priv_comp, muxer_comp, muxer_notif_iter, | |
1298 | priv_notif_iter, ret); | |
a09c6b95 PP |
1299 | goto error; |
1300 | } | |
1301 | ||
958f7d11 PP |
1302 | ret = bt_private_notification_iterator_set_user_data(priv_notif_iter, |
1303 | muxer_notif_iter); | |
1304 | assert(ret == 0); | |
fed72692 PP |
1305 | BT_LOGD("Initialized muxer component's notification iterator: " |
1306 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1307 | "notif-iter-addr=%p", | |
1308 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1309 | goto end; |
1310 | ||
1311 | error: | |
a09c6b95 PP |
1312 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1313 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1314 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1315 | muxer_comp->muxer_notif_iters->len - 1); | |
1316 | } | |
1317 | ||
958f7d11 PP |
1318 | destroy_muxer_notif_iter(muxer_notif_iter); |
1319 | ret = bt_private_notification_iterator_set_user_data(priv_notif_iter, | |
1320 | NULL); | |
1321 | assert(ret == 0); | |
1322 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1323 | ||
1324 | end: | |
a09c6b95 | 1325 | muxer_comp->initializing_muxer_notif_iter = false; |
958f7d11 PP |
1326 | bt_put(priv_comp); |
1327 | return status; | |
1328 | } | |
1329 | ||
1330 | BT_HIDDEN | |
1331 | void muxer_notif_iter_finalize( | |
1332 | struct bt_private_notification_iterator *priv_notif_iter) | |
1333 | { | |
1334 | struct muxer_notif_iter *muxer_notif_iter = | |
1335 | bt_private_notification_iterator_get_user_data(priv_notif_iter); | |
1336 | struct bt_private_component *priv_comp = NULL; | |
1337 | struct muxer_comp *muxer_comp = NULL; | |
1338 | ||
1339 | priv_comp = bt_private_notification_iterator_get_private_component( | |
1340 | priv_notif_iter); | |
1341 | assert(priv_comp); | |
1342 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
fed72692 PP |
1343 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1344 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1345 | "notif-iter-addr=%p", | |
1346 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1347 | |
1348 | if (muxer_comp) { | |
1349 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1350 | muxer_notif_iter); | |
1351 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1352 | } | |
1353 | ||
1354 | bt_put(priv_comp); | |
1355 | } | |
1356 | ||
1357 | BT_HIDDEN | |
1358 | struct bt_notification_iterator_next_return muxer_notif_iter_next( | |
1359 | struct bt_private_notification_iterator *priv_notif_iter) | |
1360 | { | |
089717de | 1361 | struct bt_notification_iterator_next_return next_ret; |
958f7d11 PP |
1362 | struct muxer_notif_iter *muxer_notif_iter = |
1363 | bt_private_notification_iterator_get_user_data(priv_notif_iter); | |
1364 | struct bt_private_component *priv_comp = NULL; | |
1365 | struct muxer_comp *muxer_comp = NULL; | |
958f7d11 PP |
1366 | |
1367 | assert(muxer_notif_iter); | |
1368 | priv_comp = bt_private_notification_iterator_get_private_component( | |
1369 | priv_notif_iter); | |
1370 | assert(priv_comp); | |
1371 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1372 | assert(muxer_comp); | |
1373 | ||
fed72692 PP |
1374 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1375 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1376 | "notif-iter-addr=%p", | |
1377 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
1378 | ||
958f7d11 PP |
1379 | /* Are we in an error state set elsewhere? */ |
1380 | if (unlikely(muxer_comp->error)) { | |
fed72692 PP |
1381 | BT_LOGE("Muxer component is already in an error state: returning BT_NOTIFICATION_ITERATOR_STATUS_ERROR: " |
1382 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1383 | "notif-iter-addr=%p", | |
1384 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
089717de PP |
1385 | next_ret.notification = NULL; |
1386 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1387 | goto end; | |
958f7d11 PP |
1388 | } |
1389 | ||
089717de | 1390 | next_ret = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter); |
fed72692 PP |
1391 | if (next_ret.status < 0) { |
1392 | BT_LOGE("Cannot get next notification: " | |
1393 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1394 | "notif-iter-addr=%p, status=%s", | |
1395 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter, | |
1396 | bt_notification_iterator_status_string(next_ret.status)); | |
1397 | } else { | |
1398 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
1399 | "status=%s, notif-addr=%p", | |
1400 | bt_notification_iterator_status_string(next_ret.status), | |
1401 | next_ret.notification); | |
1402 | } | |
958f7d11 PP |
1403 | |
1404 | end: | |
1405 | bt_put(priv_comp); | |
1406 | return next_ret; | |
1407 | } | |
1408 | ||
1409 | BT_HIDDEN | |
1410 | void muxer_port_connected( | |
1411 | struct bt_private_component *priv_comp, | |
1412 | struct bt_private_port *self_private_port, | |
1413 | struct bt_port *other_port) | |
1414 | { | |
1415 | struct bt_port *self_port = | |
1416 | bt_port_from_private_port(self_private_port); | |
1417 | struct muxer_comp *muxer_comp = | |
1418 | bt_private_component_get_user_data(priv_comp); | |
1419 | size_t i; | |
06a2cb0d | 1420 | int ret; |
958f7d11 PP |
1421 | |
1422 | assert(self_port); | |
1423 | assert(muxer_comp); | |
fed72692 PP |
1424 | BT_LOGD("Port connected: " |
1425 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1426 | "port-addr=%p, port-name=\"%s\", " | |
1427 | "other-port-addr=%p, other-port-name=\"%s\"", | |
1428 | priv_comp, muxer_comp, self_port, bt_port_get_name(self_port), | |
1429 | other_port, bt_port_get_name(other_port)); | |
958f7d11 | 1430 | |
06a2cb0d PP |
1431 | if (bt_port_get_type(self_port) == BT_PORT_TYPE_OUTPUT) { |
1432 | goto end; | |
958f7d11 PP |
1433 | } |
1434 | ||
1435 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1436 | struct muxer_notif_iter *muxer_notif_iter = | |
1437 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1438 | ||
1439 | /* | |
ab11110e PP |
1440 | * Add this port to the list of newly connected ports |
1441 | * for this muxer notification iterator. We append at | |
1442 | * the end of this list while | |
1443 | * muxer_notif_iter_handle_newly_connected_ports() | |
1444 | * removes the nodes from the beginning. | |
958f7d11 | 1445 | */ |
ab11110e PP |
1446 | muxer_notif_iter->newly_connected_priv_ports = |
1447 | g_list_append( | |
1448 | muxer_notif_iter->newly_connected_priv_ports, | |
06a2cb0d | 1449 | self_private_port); |
ab11110e | 1450 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1451 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1452 | "port-addr=%p, port-name=\"%s\", " | |
1453 | "muxer-notif-iter-addr=%p", self_port, | |
1454 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1455 | muxer_comp->error = true; |
1456 | goto end; | |
1457 | } | |
fed72692 PP |
1458 | |
1459 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1460 | "port-addr=%p, port-name=\"%s\", " | |
1461 | "muxer-notif-iter-addr=%p", self_port, | |
1462 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1463 | } |
1464 | ||
06a2cb0d PP |
1465 | /* One less available input port */ |
1466 | muxer_comp->available_input_ports--; | |
1467 | ret = ensure_available_input_port(priv_comp); | |
1468 | if (ret) { | |
1469 | /* | |
1470 | * Only way to report an error later since this | |
1471 | * method does not return anything. | |
1472 | */ | |
fed72692 PP |
1473 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1474 | "muxer-comp-addr=%p, status=%s", | |
1475 | muxer_comp, bt_component_status_string(ret)); | |
06a2cb0d PP |
1476 | muxer_comp->error = true; |
1477 | goto end; | |
1478 | } | |
1479 | ||
958f7d11 PP |
1480 | end: |
1481 | bt_put(self_port); | |
1482 | } | |
1483 | ||
1484 | BT_HIDDEN | |
1485 | void muxer_port_disconnected(struct bt_private_component *priv_comp, | |
1486 | struct bt_private_port *priv_port) | |
1487 | { | |
1488 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
1489 | struct muxer_comp *muxer_comp = | |
1490 | bt_private_component_get_user_data(priv_comp); | |
1491 | ||
1492 | assert(port); | |
1493 | assert(muxer_comp); | |
fed72692 PP |
1494 | BT_LOGD("Port disconnected: " |
1495 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1496 | "port-name=\"%s\"", priv_comp, muxer_comp, | |
1497 | port, bt_port_get_name(port)); | |
958f7d11 | 1498 | |
ab11110e PP |
1499 | /* |
1500 | * There's nothing special to do when a port is disconnected | |
1501 | * because this component deals with upstream notification | |
1502 | * iterators which were already created thanks to connected | |
1503 | * ports. The fact that the port is disconnected does not cancel | |
1504 | * the upstream notification iterators created using its | |
089717de PP |
1505 | * connection: they still exist, even if the connection is dead. |
1506 | * The only way to remove an upstream notification iterator is | |
1507 | * for its "next" operation to return | |
1508 | * BT_NOTIFICATION_ITERATOR_STATUS_END. | |
ab11110e | 1509 | */ |
958f7d11 PP |
1510 | if (bt_port_get_type(port) == BT_PORT_TYPE_INPUT) { |
1511 | /* One more available input port */ | |
1512 | muxer_comp->available_input_ports++; | |
fed72692 PP |
1513 | BT_LOGD("Leaving disconnected input port available for future connections: " |
1514 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1515 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1516 | priv_comp, muxer_comp, port, bt_port_get_name(port), | |
1517 | muxer_comp->available_input_ports); | |
958f7d11 PP |
1518 | } |
1519 | ||
1520 | bt_put(port); | |
1521 | } |