Commit | Line | Data |
---|---|---|
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 | ||
318fe670 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> | |
318fe670 | 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> | |
318fe670 | 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> |
318fe670 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> |
318fe670 | 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 | ||
318fe670 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) { | |
318fe670 | 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); | |
318fe670 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) { | |
318fe670 | 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) { | |
318fe670 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++; | |
318fe670 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 | ||
318fe670 PP |
241 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
242 | "muxer-notif-iter-count=%u", muxer_comp, | |
79065cde JG |
243 | muxer_comp->muxer_notif_iters ? |
244 | muxer_comp->muxer_notif_iters->len : 0); | |
318fe670 | 245 | |
958f7d11 PP |
246 | if (muxer_comp->muxer_notif_iters) { |
247 | g_ptr_array_free(muxer_comp->muxer_notif_iters, TRUE); | |
248 | } | |
249 | ||
250 | g_free(muxer_comp); | |
251 | } | |
252 | ||
65ee897d PP |
253 | static |
254 | struct bt_value *get_default_params(void) | |
255 | { | |
256 | struct bt_value *params; | |
257 | int ret; | |
258 | ||
259 | params = bt_value_map_create(); | |
260 | if (!params) { | |
318fe670 | 261 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
262 | goto error; |
263 | } | |
264 | ||
c3acd5f3 JG |
265 | ret = bt_value_map_insert_bool(params, |
266 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); | |
65ee897d | 267 | if (ret) { |
318fe670 | 268 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
269 | goto error; |
270 | } | |
271 | ||
272 | goto end; | |
273 | ||
274 | error: | |
275 | BT_PUT(params); | |
276 | ||
277 | end: | |
278 | return params; | |
279 | } | |
280 | ||
281 | static | |
282 | int configure_muxer_comp(struct muxer_comp *muxer_comp, struct bt_value *params) | |
283 | { | |
284 | struct bt_value *default_params = NULL; | |
285 | struct bt_value *real_params = NULL; | |
282c8cd0 | 286 | struct bt_value *assume_absolute_clock_classes = NULL; |
65ee897d | 287 | int ret = 0; |
c55a9f58 | 288 | bt_bool bool_val; |
65ee897d PP |
289 | |
290 | default_params = get_default_params(); | |
291 | if (!default_params) { | |
318fe670 PP |
292 | BT_LOGE("Cannot get default parameters: " |
293 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
294 | goto error; |
295 | } | |
296 | ||
297 | real_params = bt_value_map_extend(default_params, params); | |
298 | if (!real_params) { | |
318fe670 PP |
299 | BT_LOGE("Cannot extend default parameters map value: " |
300 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
301 | "params-addr=%p", muxer_comp, default_params, | |
302 | params); | |
65ee897d PP |
303 | goto error; |
304 | } | |
305 | ||
282c8cd0 | 306 | assume_absolute_clock_classes = bt_value_map_get(real_params, |
c3acd5f3 | 307 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); |
282c8cd0 | 308 | if (!bt_value_is_bool(assume_absolute_clock_classes)) { |
318fe670 PP |
309 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
310 | "muxer-comp-addr=%p, value-type=%s", | |
311 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
312 | bt_value_type_string( | |
313 | bt_value_get_type(assume_absolute_clock_classes))); | |
65ee897d PP |
314 | goto error; |
315 | } | |
316 | ||
318fe670 PP |
317 | ret = bt_value_bool_get(assume_absolute_clock_classes, &bool_val); |
318 | assert(ret == 0); | |
282c8cd0 | 319 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
318fe670 PP |
320 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
321 | "assume-absolute-clock-classes=%d", | |
322 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
323 | goto end; |
324 | ||
325 | error: | |
326 | ret = -1; | |
327 | ||
328 | end: | |
329 | bt_put(default_params); | |
330 | bt_put(real_params); | |
282c8cd0 | 331 | bt_put(assume_absolute_clock_classes); |
65ee897d PP |
332 | return ret; |
333 | } | |
334 | ||
958f7d11 PP |
335 | BT_HIDDEN |
336 | enum bt_component_status muxer_init( | |
337 | struct bt_private_component *priv_comp, | |
338 | struct bt_value *params, void *init_data) | |
339 | { | |
340 | int ret; | |
341 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; | |
342 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); | |
343 | ||
318fe670 PP |
344 | BT_LOGD("Initializing muxer component: " |
345 | "comp-addr=%p, params-addr=%p", priv_comp, params); | |
346 | ||
958f7d11 | 347 | if (!muxer_comp) { |
318fe670 | 348 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
349 | goto error; |
350 | } | |
351 | ||
65ee897d PP |
352 | ret = configure_muxer_comp(muxer_comp, params); |
353 | if (ret) { | |
318fe670 PP |
354 | BT_LOGE("Cannot configure muxer component: " |
355 | "muxer-comp-addr=%p, params-addr=%p", | |
356 | muxer_comp, params); | |
65ee897d PP |
357 | goto error; |
358 | } | |
359 | ||
958f7d11 PP |
360 | muxer_comp->muxer_notif_iters = g_ptr_array_new(); |
361 | if (!muxer_comp->muxer_notif_iters) { | |
318fe670 | 362 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
363 | goto error; |
364 | } | |
365 | ||
366 | muxer_comp->priv_comp = priv_comp; | |
367 | ret = bt_private_component_set_user_data(priv_comp, muxer_comp); | |
368 | assert(ret == 0); | |
147337a3 PP |
369 | status = ensure_available_input_port(priv_comp); |
370 | if (status != BT_COMPONENT_STATUS_OK) { | |
318fe670 PP |
371 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
372 | "muxer-comp-addr=%p, status=%s", | |
373 | muxer_comp, | |
374 | bt_component_status_string(status)); | |
958f7d11 PP |
375 | goto error; |
376 | } | |
377 | ||
318fe670 PP |
378 | status = create_output_port(priv_comp); |
379 | if (status) { | |
380 | BT_LOGE("Cannot create muxer component's output port: " | |
381 | "muxer-comp-addr=%p, status=%s", | |
382 | muxer_comp, | |
383 | bt_component_status_string(status)); | |
958f7d11 PP |
384 | goto error; |
385 | } | |
386 | ||
318fe670 PP |
387 | BT_LOGD("Initialized muxer component: " |
388 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
389 | priv_comp, params, muxer_comp); | |
390 | ||
958f7d11 PP |
391 | goto end; |
392 | ||
393 | error: | |
394 | destroy_muxer_comp(muxer_comp); | |
395 | ret = bt_private_component_set_user_data(priv_comp, NULL); | |
396 | assert(ret == 0); | |
147337a3 PP |
397 | |
398 | if (status == BT_COMPONENT_STATUS_OK) { | |
399 | status = BT_COMPONENT_STATUS_ERROR; | |
400 | } | |
958f7d11 PP |
401 | |
402 | end: | |
403 | return status; | |
404 | } | |
405 | ||
406 | BT_HIDDEN | |
407 | void muxer_finalize(struct bt_private_component *priv_comp) | |
408 | { | |
409 | struct muxer_comp *muxer_comp = | |
410 | bt_private_component_get_user_data(priv_comp); | |
411 | ||
318fe670 PP |
412 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
413 | priv_comp); | |
958f7d11 PP |
414 | destroy_muxer_comp(muxer_comp); |
415 | } | |
416 | ||
417 | static | |
418 | struct bt_notification_iterator *create_notif_iter_on_input_port( | |
419 | struct bt_private_port *priv_port, int *ret) | |
420 | { | |
421 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
422 | struct bt_notification_iterator *notif_iter = NULL; | |
423 | struct bt_private_connection *priv_conn = NULL; | |
73d5c1ad | 424 | enum bt_connection_status conn_status; |
958f7d11 PP |
425 | |
426 | assert(ret); | |
427 | *ret = 0; | |
428 | assert(port); | |
958f7d11 PP |
429 | assert(bt_port_is_connected(port)); |
430 | priv_conn = bt_private_port_get_private_connection(priv_port); | |
318fe670 | 431 | assert(priv_conn); |
958f7d11 | 432 | |
ab11110e PP |
433 | // TODO: Advance the iterator to >= the time of the latest |
434 | // returned notification by the muxer notification | |
435 | // iterator which creates it. | |
73d5c1ad PP |
436 | conn_status = bt_private_connection_create_notification_iterator( |
437 | priv_conn, NULL, ¬if_iter); | |
438 | if (conn_status != BT_CONNECTION_STATUS_OK) { | |
318fe670 PP |
439 | BT_LOGE("Cannot create upstream notification iterator on input port's connection: " |
440 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
441 | "status=%s", | |
442 | port, bt_port_get_name(port), priv_conn, | |
443 | bt_connection_status_string(conn_status)); | |
958f7d11 PP |
444 | *ret = -1; |
445 | goto end; | |
446 | } | |
447 | ||
318fe670 PP |
448 | BT_LOGD("Created upstream notification iterator on input port's connection: " |
449 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
450 | "notif-iter-addr=%p", | |
451 | port, bt_port_get_name(port), priv_conn, notif_iter); | |
452 | ||
958f7d11 PP |
453 | end: |
454 | bt_put(port); | |
455 | bt_put(priv_conn); | |
456 | return notif_iter; | |
457 | } | |
458 | ||
ab11110e | 459 | static |
089717de | 460 | enum bt_notification_iterator_status muxer_upstream_notif_iter_next( |
ab11110e PP |
461 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) |
462 | { | |
089717de | 463 | enum bt_notification_iterator_status status; |
ab11110e | 464 | |
318fe670 PP |
465 | BT_LOGV("Calling upstream notification iterator's \"next\" method: " |
466 | "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p", | |
467 | muxer_upstream_notif_iter, | |
468 | muxer_upstream_notif_iter->notif_iter); | |
089717de | 469 | status = bt_notification_iterator_next( |
ab11110e | 470 | muxer_upstream_notif_iter->notif_iter); |
318fe670 PP |
471 | BT_LOGV("Upstream notification iterator's \"next\" method returned: " |
472 | "status=%s", bt_notification_iterator_status_string(status)); | |
ab11110e | 473 | |
089717de | 474 | switch (status) { |
ab11110e | 475 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
089717de PP |
476 | /* |
477 | * Notification iterator's current notification is valid: | |
478 | * it must be considered for muxing operations. | |
479 | */ | |
318fe670 | 480 | BT_LOGV_STR("Validated upstream notification iterator wrapper."); |
089717de | 481 | muxer_upstream_notif_iter->is_valid = true; |
ab11110e PP |
482 | break; |
483 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
089717de PP |
484 | /* |
485 | * Notification iterator's current notification is not | |
486 | * valid anymore. Return | |
487 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN | |
488 | * immediately. | |
489 | */ | |
318fe670 | 490 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_AGAIN."); |
089717de | 491 | muxer_upstream_notif_iter->is_valid = false; |
ab11110e | 492 | break; |
beed0223 MD |
493 | case BT_NOTIFICATION_ITERATOR_STATUS_END: /* Fall-through. */ |
494 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
ab11110e PP |
495 | /* |
496 | * Notification iterator reached the end: release it. It | |
497 | * won't be considered again to find the youngest | |
498 | * notification. | |
499 | */ | |
318fe670 | 500 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_END or BT_NOTIFICATION_ITERATOR_STATUS_CANCELED."); |
ab11110e | 501 | BT_PUT(muxer_upstream_notif_iter->notif_iter); |
089717de PP |
502 | muxer_upstream_notif_iter->is_valid = false; |
503 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
504 | break; | |
ab11110e PP |
505 | default: |
506 | /* Error or unsupported status code */ | |
318fe670 PP |
507 | BT_LOGE("Error or unsupported status code: " |
508 | "status-code=%d", status); | |
089717de PP |
509 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
510 | break; | |
ab11110e PP |
511 | } |
512 | ||
089717de | 513 | return status; |
ab11110e PP |
514 | } |
515 | ||
516 | static | |
089717de | 517 | int muxer_notif_iter_handle_newly_connected_ports( |
ab11110e PP |
518 | struct muxer_notif_iter *muxer_notif_iter) |
519 | { | |
ab11110e PP |
520 | int ret = 0; |
521 | ||
318fe670 PP |
522 | BT_LOGV("Handling newly connected ports: " |
523 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
524 | ||
ab11110e PP |
525 | /* |
526 | * Here we create one upstream notification iterator for each | |
089717de PP |
527 | * newly connected port. We do not perform an initial "next" on |
528 | * those new upstream notification iterators: they are | |
529 | * invalidated, to be validated later. The list of newly | |
530 | * connected ports to handle here is updated by | |
531 | * muxer_port_connected(). | |
ab11110e PP |
532 | */ |
533 | while (true) { | |
534 | GList *node = muxer_notif_iter->newly_connected_priv_ports; | |
535 | struct bt_private_port *priv_port; | |
536 | struct bt_port *port; | |
537 | struct bt_notification_iterator *upstream_notif_iter = NULL; | |
538 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; | |
539 | ||
540 | if (!node) { | |
541 | break; | |
542 | } | |
543 | ||
544 | priv_port = node->data; | |
545 | port = bt_port_from_private_port(priv_port); | |
546 | assert(port); | |
547 | ||
548 | if (!bt_port_is_connected(port)) { | |
549 | /* | |
550 | * Looks like this port is not connected | |
551 | * anymore: we can't create an upstream | |
089717de PP |
552 | * notification iterator on its (non-existing) |
553 | * connection in this case. | |
ab11110e PP |
554 | */ |
555 | goto remove_node; | |
556 | } | |
557 | ||
558 | BT_PUT(port); | |
559 | upstream_notif_iter = create_notif_iter_on_input_port(priv_port, | |
560 | &ret); | |
561 | if (ret) { | |
318fe670 | 562 | /* create_notif_iter_on_input_port() logs errors */ |
ab11110e | 563 | assert(!upstream_notif_iter); |
ab11110e PP |
564 | goto error; |
565 | } | |
566 | ||
567 | muxer_upstream_notif_iter = | |
568 | muxer_notif_iter_add_upstream_notif_iter( | |
569 | muxer_notif_iter, upstream_notif_iter, | |
570 | priv_port); | |
ab11110e PP |
571 | BT_PUT(upstream_notif_iter); |
572 | if (!muxer_upstream_notif_iter) { | |
318fe670 PP |
573 | /* |
574 | * muxer_notif_iter_add_upstream_notif_iter() | |
575 | * logs errors. | |
576 | */ | |
ab11110e PP |
577 | goto error; |
578 | } | |
579 | ||
ab11110e PP |
580 | remove_node: |
581 | bt_put(upstream_notif_iter); | |
582 | bt_put(port); | |
ab11110e PP |
583 | muxer_notif_iter->newly_connected_priv_ports = |
584 | g_list_delete_link( | |
585 | muxer_notif_iter->newly_connected_priv_ports, | |
586 | node); | |
587 | } | |
588 | ||
589 | goto end; | |
590 | ||
591 | error: | |
089717de | 592 | if (ret >= 0) { |
ab11110e PP |
593 | ret = -1; |
594 | } | |
595 | ||
596 | end: | |
ab11110e PP |
597 | return ret; |
598 | } | |
599 | ||
958f7d11 PP |
600 | static |
601 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 602 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
603 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
604 | int64_t *ts_ns) | |
605 | { | |
606 | struct bt_clock_class_priority_map *cc_prio_map = NULL; | |
607 | struct bt_ctf_clock_class *clock_class = NULL; | |
608 | struct bt_ctf_clock_value *clock_value = NULL; | |
609 | struct bt_ctf_event *event = NULL; | |
610 | int ret = 0; | |
282c8cd0 | 611 | const unsigned char *cc_uuid; |
318fe670 | 612 | const char *cc_name; |
958f7d11 PP |
613 | |
614 | assert(notif); | |
615 | assert(ts_ns); | |
616 | ||
318fe670 PP |
617 | BT_LOGV("Getting notification's timestamp: " |
618 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
619 | "last-returned-ts=%" PRId64, | |
620 | muxer_notif_iter, notif, last_returned_ts_ns); | |
621 | ||
958f7d11 PP |
622 | switch (bt_notification_get_type(notif)) { |
623 | case BT_NOTIFICATION_TYPE_EVENT: | |
624 | cc_prio_map = | |
625 | bt_notification_event_get_clock_class_priority_map( | |
626 | notif); | |
627 | break; | |
628 | ||
629 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
630 | cc_prio_map = | |
a09c6b95 | 631 | bt_notification_inactivity_get_clock_class_priority_map( |
958f7d11 PP |
632 | notif); |
633 | break; | |
634 | default: | |
089717de | 635 | /* All the other notifications have a higher priority */ |
318fe670 | 636 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
637 | *ts_ns = last_returned_ts_ns; |
638 | goto end; | |
639 | } | |
640 | ||
641 | if (!cc_prio_map) { | |
318fe670 PP |
642 | BT_LOGE("Cannot get notification's clock class priority map: " |
643 | "notif-addr=%p", notif); | |
958f7d11 PP |
644 | goto error; |
645 | } | |
646 | ||
647 | /* | |
648 | * If the clock class priority map is empty, then we consider | |
649 | * that this notification has no time. In this case it's always | |
650 | * the youngest. | |
651 | */ | |
652 | if (bt_clock_class_priority_map_get_clock_class_count(cc_prio_map) == 0) { | |
318fe670 PP |
653 | BT_LOGV_STR("Notification's clock class priorty map contains 0 clock classes: " |
654 | "using the last returned timestamp."); | |
958f7d11 PP |
655 | *ts_ns = last_returned_ts_ns; |
656 | goto end; | |
657 | } | |
658 | ||
659 | clock_class = | |
660 | bt_clock_class_priority_map_get_highest_priority_clock_class( | |
661 | cc_prio_map); | |
662 | if (!clock_class) { | |
318fe670 PP |
663 | BT_LOGE("Cannot get the clock class with the highest priority from clock class priority map: " |
664 | "cc-prio-map-addr=%p", cc_prio_map); | |
958f7d11 PP |
665 | goto error; |
666 | } | |
667 | ||
282c8cd0 | 668 | cc_uuid = bt_ctf_clock_class_get_uuid(clock_class); |
318fe670 | 669 | cc_name = bt_ctf_clock_class_get_name(clock_class); |
282c8cd0 PP |
670 | |
671 | if (muxer_notif_iter->clock_class_expectation == | |
672 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
673 | /* | |
674 | * This is the first clock class that this muxer | |
675 | * notification iterator encounters. Its properties | |
676 | * determine what to expect for the whole lifetime of | |
677 | * the iterator without a true | |
678 | * `assume-absolute-clock-classes` parameter. | |
679 | */ | |
680 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
681 | /* Expect absolute clock classes */ | |
682 | muxer_notif_iter->clock_class_expectation = | |
683 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
684 | } else { | |
685 | if (cc_uuid) { | |
686 | /* | |
687 | * Expect non-absolute clock classes | |
688 | * with a specific UUID. | |
689 | */ | |
690 | muxer_notif_iter->clock_class_expectation = | |
691 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
692 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
693 | cc_uuid, BABELTRACE_UUID_LEN); | |
694 | } else { | |
695 | /* | |
696 | * Expect non-absolute clock classes | |
697 | * with no UUID. | |
698 | */ | |
699 | muxer_notif_iter->clock_class_expectation = | |
700 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
701 | } | |
702 | } | |
703 | } | |
704 | ||
705 | if (!muxer_comp->assume_absolute_clock_classes) { | |
706 | switch (muxer_notif_iter->clock_class_expectation) { | |
707 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
708 | if (!bt_ctf_clock_class_is_absolute(clock_class)) { | |
318fe670 PP |
709 | BT_LOGE("Expecting an absolute clock class, " |
710 | "but got a non-absolute one: " | |
711 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
712 | clock_class, cc_name); | |
282c8cd0 PP |
713 | goto error; |
714 | } | |
715 | break; | |
716 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
717 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
318fe670 PP |
718 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
719 | "but got an absolute one: " | |
720 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
721 | clock_class, cc_name); | |
282c8cd0 PP |
722 | goto error; |
723 | } | |
724 | ||
725 | if (cc_uuid) { | |
318fe670 PP |
726 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
727 | "but got one with a UUID: " | |
728 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
729 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
730 | clock_class, cc_name, | |
731 | (unsigned int) cc_uuid[0], | |
732 | (unsigned int) cc_uuid[1], | |
733 | (unsigned int) cc_uuid[2], | |
734 | (unsigned int) cc_uuid[3], | |
735 | (unsigned int) cc_uuid[4], | |
736 | (unsigned int) cc_uuid[5], | |
737 | (unsigned int) cc_uuid[6], | |
738 | (unsigned int) cc_uuid[7], | |
739 | (unsigned int) cc_uuid[8], | |
740 | (unsigned int) cc_uuid[9], | |
741 | (unsigned int) cc_uuid[10], | |
742 | (unsigned int) cc_uuid[11], | |
743 | (unsigned int) cc_uuid[12], | |
744 | (unsigned int) cc_uuid[13], | |
745 | (unsigned int) cc_uuid[14], | |
746 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
747 | goto error; |
748 | } | |
749 | break; | |
750 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
751 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
318fe670 PP |
752 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
753 | "but got an absolute one: " | |
754 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
755 | clock_class, cc_name); | |
282c8cd0 PP |
756 | goto error; |
757 | } | |
758 | ||
759 | if (!cc_uuid) { | |
318fe670 PP |
760 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
761 | "but got one with no UUID: " | |
762 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
763 | clock_class, cc_name); | |
282c8cd0 PP |
764 | goto error; |
765 | } | |
766 | ||
767 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
768 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
318fe670 PP |
769 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
770 | "but got one with different UUID: " | |
771 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
772 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
773 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
774 | clock_class, cc_name, | |
775 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
776 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
777 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
778 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
779 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
780 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
781 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
782 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
783 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
784 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
785 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
786 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
787 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
788 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
789 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
790 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
791 | (unsigned int) cc_uuid[0], | |
792 | (unsigned int) cc_uuid[1], | |
793 | (unsigned int) cc_uuid[2], | |
794 | (unsigned int) cc_uuid[3], | |
795 | (unsigned int) cc_uuid[4], | |
796 | (unsigned int) cc_uuid[5], | |
797 | (unsigned int) cc_uuid[6], | |
798 | (unsigned int) cc_uuid[7], | |
799 | (unsigned int) cc_uuid[8], | |
800 | (unsigned int) cc_uuid[9], | |
801 | (unsigned int) cc_uuid[10], | |
802 | (unsigned int) cc_uuid[11], | |
803 | (unsigned int) cc_uuid[12], | |
804 | (unsigned int) cc_uuid[13], | |
805 | (unsigned int) cc_uuid[14], | |
806 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
807 | goto error; |
808 | } | |
809 | break; | |
810 | default: | |
811 | /* Unexpected */ | |
318fe670 PP |
812 | BT_LOGF("Unexpected clock class expectation: " |
813 | "expectation-code=%d", | |
814 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
815 | abort(); |
816 | } | |
958f7d11 PP |
817 | } |
818 | ||
819 | switch (bt_notification_get_type(notif)) { | |
820 | case BT_NOTIFICATION_TYPE_EVENT: | |
821 | event = bt_notification_event_get_event(notif); | |
ab11110e | 822 | assert(event); |
958f7d11 PP |
823 | clock_value = bt_ctf_event_get_clock_value(event, |
824 | clock_class); | |
825 | break; | |
826 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
827 | clock_value = bt_notification_inactivity_get_clock_value( | |
828 | notif, clock_class); | |
829 | break; | |
830 | default: | |
318fe670 PP |
831 | BT_LOGF("Unexpected notification type at this point: " |
832 | "type=%d", bt_notification_get_type(notif)); | |
0fbb9a9f | 833 | abort(); |
958f7d11 PP |
834 | } |
835 | ||
836 | if (!clock_value) { | |
318fe670 PP |
837 | BT_LOGE("Cannot get notification's clock value for clock class: " |
838 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
839 | clock_class, cc_name); | |
958f7d11 PP |
840 | goto error; |
841 | } | |
842 | ||
843 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, ts_ns); | |
844 | if (ret) { | |
318fe670 PP |
845 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
846 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
847 | goto error; |
848 | } | |
849 | ||
850 | goto end; | |
851 | ||
852 | error: | |
853 | ret = -1; | |
854 | ||
855 | end: | |
318fe670 PP |
856 | if (ret == 0) { |
857 | BT_LOGV("Found notification's timestamp: " | |
858 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
859 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
860 | muxer_notif_iter, notif, last_returned_ts_ns, | |
861 | *ts_ns); | |
862 | } | |
863 | ||
958f7d11 PP |
864 | bt_put(cc_prio_map); |
865 | bt_put(event); | |
866 | bt_put(clock_class); | |
867 | bt_put(clock_value); | |
868 | return ret; | |
869 | } | |
870 | ||
ab11110e PP |
871 | /* |
872 | * This function finds the youngest available notification amongst the | |
873 | * non-ended upstream notification iterators and returns the upstream | |
874 | * notification iterator which has it, or | |
875 | * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available | |
876 | * notification. | |
877 | * | |
878 | * This function does NOT: | |
879 | * | |
880 | * * Update any upstream notification iterator. | |
881 | * * Check for newly connected ports. | |
882 | * * Check the upstream notification iterators to retry. | |
883 | * | |
884 | * On sucess, this function sets *muxer_upstream_notif_iter to the | |
885 | * upstream notification iterator of which the current notification is | |
886 | * the youngest, and sets *ts_ns to its time. | |
887 | */ | |
958f7d11 PP |
888 | static |
889 | enum bt_notification_iterator_status | |
890 | muxer_notif_iter_youngest_upstream_notif_iter( | |
891 | struct muxer_comp *muxer_comp, | |
892 | struct muxer_notif_iter *muxer_notif_iter, | |
893 | struct muxer_upstream_notif_iter **muxer_upstream_notif_iter, | |
894 | int64_t *ts_ns) | |
895 | { | |
896 | size_t i; | |
897 | int ret; | |
898 | int64_t youngest_ts_ns = INT64_MAX; | |
899 | enum bt_notification_iterator_status status = | |
900 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
901 | ||
902 | assert(muxer_comp); | |
903 | assert(muxer_notif_iter); | |
904 | assert(muxer_upstream_notif_iter); | |
905 | *muxer_upstream_notif_iter = NULL; | |
906 | ||
907 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { | |
908 | struct bt_notification *notif; | |
909 | struct muxer_upstream_notif_iter *cur_muxer_upstream_notif_iter = | |
910 | g_ptr_array_index(muxer_notif_iter->muxer_upstream_notif_iters, i); | |
911 | int64_t notif_ts_ns; | |
912 | ||
913 | if (!cur_muxer_upstream_notif_iter->notif_iter) { | |
ab11110e | 914 | /* This upstream notification iterator is ended */ |
318fe670 PP |
915 | BT_LOGV("Skipping ended upstream notification iterator: " |
916 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
917 | cur_muxer_upstream_notif_iter); | |
958f7d11 PP |
918 | continue; |
919 | } | |
920 | ||
089717de | 921 | assert(cur_muxer_upstream_notif_iter->is_valid); |
958f7d11 PP |
922 | notif = bt_notification_iterator_get_notification( |
923 | cur_muxer_upstream_notif_iter->notif_iter); | |
924 | assert(notif); | |
282c8cd0 | 925 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 PP |
926 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
927 | bt_put(notif); | |
928 | if (ret) { | |
318fe670 | 929 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
930 | *muxer_upstream_notif_iter = NULL; |
931 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
932 | goto end; | |
933 | } | |
934 | ||
935 | if (notif_ts_ns <= youngest_ts_ns) { | |
936 | *muxer_upstream_notif_iter = | |
937 | cur_muxer_upstream_notif_iter; | |
938 | youngest_ts_ns = notif_ts_ns; | |
939 | *ts_ns = youngest_ts_ns; | |
940 | } | |
941 | } | |
942 | ||
943 | if (!*muxer_upstream_notif_iter) { | |
944 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
945 | *ts_ns = INT64_MIN; | |
946 | } | |
947 | ||
948 | end: | |
949 | return status; | |
950 | } | |
951 | ||
952 | static | |
089717de PP |
953 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
954 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 955 | { |
089717de PP |
956 | enum bt_notification_iterator_status status = |
957 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 958 | |
318fe670 PP |
959 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
960 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
961 | muxer_upstream_notif_iter); | |
962 | ||
089717de PP |
963 | if (muxer_upstream_notif_iter->is_valid || |
964 | !muxer_upstream_notif_iter->notif_iter) { | |
ab11110e PP |
965 | goto end; |
966 | } | |
967 | ||
318fe670 | 968 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
969 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
970 | ||
971 | end: | |
972 | return status; | |
973 | } | |
974 | ||
975 | static | |
976 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
977 | struct muxer_notif_iter *muxer_notif_iter) | |
978 | { | |
979 | enum bt_notification_iterator_status status = | |
980 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
981 | size_t i; | |
982 | ||
318fe670 PP |
983 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
984 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
985 | ||
089717de PP |
986 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
987 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
988 | g_ptr_array_index( | |
989 | muxer_notif_iter->muxer_upstream_notif_iters, | |
990 | i); | |
991 | ||
992 | status = validate_muxer_upstream_notif_iter( | |
993 | muxer_upstream_notif_iter); | |
994 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
318fe670 PP |
995 | if (status < 0) { |
996 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
997 | "muxer-notif-iter-addr=%p, " | |
998 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
999 | muxer_notif_iter, | |
1000 | muxer_upstream_notif_iter); | |
1001 | } else { | |
1002 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
1003 | "muxer-notif-iter-addr=%p, " | |
1004 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1005 | muxer_notif_iter, | |
1006 | muxer_upstream_notif_iter); | |
1007 | } | |
1008 | ||
089717de PP |
1009 | goto end; |
1010 | } | |
744ba28b PP |
1011 | |
1012 | /* | |
1013 | * Remove this muxer upstream notification iterator | |
1014 | * if it's ended or canceled. | |
1015 | */ | |
1016 | if (!muxer_upstream_notif_iter->notif_iter) { | |
1017 | /* | |
1018 | * Use g_ptr_array_remove_fast() because the | |
1019 | * order of those elements is not important. | |
1020 | */ | |
318fe670 PP |
1021 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
1022 | "muxer-notif-iter-addr=%p, " | |
1023 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1024 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
1025 | g_ptr_array_remove_index_fast( |
1026 | muxer_notif_iter->muxer_upstream_notif_iters, | |
1027 | i); | |
1028 | i--; | |
1029 | } | |
089717de PP |
1030 | } |
1031 | ||
1032 | end: | |
1033 | return status; | |
1034 | } | |
1035 | ||
1036 | static | |
1037 | struct bt_notification_iterator_next_return muxer_notif_iter_do_next( | |
1038 | struct muxer_comp *muxer_comp, | |
1039 | struct muxer_notif_iter *muxer_notif_iter) | |
1040 | { | |
1041 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; | |
1042 | struct bt_notification_iterator_next_return next_return = { | |
1043 | .notification = NULL, | |
1044 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, | |
1045 | }; | |
1046 | int64_t next_return_ts; | |
1047 | ||
1048 | while (true) { | |
1049 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1050 | muxer_notif_iter); | |
1051 | ||
1052 | if (ret) { | |
318fe670 PP |
1053 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1054 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1055 | "ret=%d", | |
1056 | muxer_comp, muxer_notif_iter, ret); | |
089717de PP |
1057 | next_return.status = |
1058 | BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1059 | goto end; | |
1060 | } | |
1061 | ||
1062 | next_return.status = | |
1063 | validate_muxer_upstream_notif_iters(muxer_notif_iter); | |
1064 | if (next_return.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
805704b8 | 1065 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1066 | goto end; |
1067 | } | |
ab11110e | 1068 | |
958f7d11 | 1069 | /* |
089717de PP |
1070 | * At this point, we know that all the existing upstream |
1071 | * notification iterators are valid. However the | |
1072 | * operations to validate them (during | |
1073 | * validate_muxer_upstream_notif_iters()) may have | |
1074 | * connected new ports. If no ports were connected | |
1075 | * during this operation, exit the loop. | |
958f7d11 | 1076 | */ |
089717de | 1077 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
318fe670 PP |
1078 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1079 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1080 | break; |
1081 | } | |
958f7d11 PP |
1082 | } |
1083 | ||
089717de PP |
1084 | assert(!muxer_notif_iter->newly_connected_priv_ports); |
1085 | ||
958f7d11 | 1086 | /* |
089717de PP |
1087 | * At this point we know that all the existing upstream |
1088 | * notification iterators are valid. We can find the one, | |
1089 | * amongst those, of which the current notification is the | |
1090 | * youngest. | |
958f7d11 | 1091 | */ |
089717de | 1092 | next_return.status = |
958f7d11 PP |
1093 | muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
1094 | muxer_notif_iter, &muxer_upstream_notif_iter, | |
089717de PP |
1095 | &next_return_ts); |
1096 | if (next_return.status < 0 || | |
beed0223 MD |
1097 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1098 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
318fe670 PP |
1099 | if (next_return.status < 0) { |
1100 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " | |
1101 | "status=%s", | |
1102 | bt_notification_iterator_status_string(next_return.status)); | |
1103 | } else { | |
1104 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1105 | "status=%s", | |
1106 | bt_notification_iterator_status_string(next_return.status)); | |
1107 | } | |
1108 | ||
958f7d11 PP |
1109 | goto end; |
1110 | } | |
1111 | ||
089717de | 1112 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
318fe670 PP |
1113 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1114 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1115 | "last-returned-ts=%" PRId64, | |
1116 | muxer_notif_iter, next_return_ts, | |
1117 | muxer_notif_iter->last_returned_ts_ns); | |
089717de | 1118 | next_return.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1119 | goto end; |
1120 | } | |
1121 | ||
318fe670 PP |
1122 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1123 | "muxer-notif-iter-addr=%p, " | |
1124 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1125 | "ts=%" PRId64, | |
1126 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
089717de PP |
1127 | assert(next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
1128 | assert(muxer_upstream_notif_iter); | |
1129 | next_return.notification = bt_notification_iterator_get_notification( | |
1130 | muxer_upstream_notif_iter->notif_iter); | |
1131 | assert(next_return.notification); | |
958f7d11 PP |
1132 | |
1133 | /* | |
089717de PP |
1134 | * We invalidate the upstream notification iterator so that, the |
1135 | * next time this function is called, | |
1136 | * validate_muxer_upstream_notif_iters() will make it valid. | |
958f7d11 | 1137 | */ |
089717de PP |
1138 | muxer_upstream_notif_iter->is_valid = false; |
1139 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1140 | |
1141 | end: | |
089717de | 1142 | return next_return; |
958f7d11 PP |
1143 | } |
1144 | ||
1145 | static | |
ab11110e PP |
1146 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1147 | { | |
ab11110e PP |
1148 | if (!muxer_notif_iter) { |
1149 | return; | |
1150 | } | |
1151 | ||
318fe670 PP |
1152 | BT_LOGD("Destroying muxer component's notification iterator: " |
1153 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1154 | ||
ab11110e | 1155 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
318fe670 | 1156 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1157 | g_ptr_array_free( |
1158 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1159 | } | |
1160 | ||
ab11110e PP |
1161 | g_list_free(muxer_notif_iter->newly_connected_priv_ports); |
1162 | g_free(muxer_notif_iter); | |
1163 | } | |
1164 | ||
1165 | static | |
1166 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1167 | struct muxer_notif_iter *muxer_notif_iter) |
1168 | { | |
ab11110e | 1169 | struct bt_component *comp; |
544d0515 PP |
1170 | int64_t count; |
1171 | int64_t i; | |
ab11110e | 1172 | int ret = 0; |
958f7d11 | 1173 | |
ab11110e PP |
1174 | /* |
1175 | * Add the connected input ports to this muxer notification | |
1176 | * iterator's list of newly connected ports. They will be | |
1177 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1178 | */ | |
958f7d11 PP |
1179 | comp = bt_component_from_private_component(muxer_comp->priv_comp); |
1180 | assert(comp); | |
544d0515 PP |
1181 | count = bt_component_filter_get_input_port_count(comp); |
1182 | if (count < 0) { | |
318fe670 PP |
1183 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1184 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1185 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1186 | goto end; |
1187 | } | |
958f7d11 PP |
1188 | |
1189 | for (i = 0; i < count; i++) { | |
1190 | struct bt_private_port *priv_port = | |
9ac68eb1 | 1191 | bt_private_component_filter_get_input_private_port_by_index( |
958f7d11 PP |
1192 | muxer_comp->priv_comp, i); |
1193 | struct bt_port *port; | |
958f7d11 PP |
1194 | |
1195 | assert(priv_port); | |
958f7d11 | 1196 | port = bt_port_from_private_port(priv_port); |
ab11110e | 1197 | assert(port); |
958f7d11 PP |
1198 | |
1199 | if (!bt_port_is_connected(port)) { | |
318fe670 PP |
1200 | BT_LOGD("Skipping input port: not connected: " |
1201 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1202 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 | 1203 | bt_put(priv_port); |
ab11110e | 1204 | bt_put(port); |
958f7d11 PP |
1205 | continue; |
1206 | } | |
1207 | ||
1208 | bt_put(port); | |
06a2cb0d | 1209 | bt_put(priv_port); |
ab11110e PP |
1210 | muxer_notif_iter->newly_connected_priv_ports = |
1211 | g_list_append( | |
1212 | muxer_notif_iter->newly_connected_priv_ports, | |
958f7d11 | 1213 | priv_port); |
ab11110e | 1214 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
318fe670 PP |
1215 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1216 | "port-addr=%p, port-name=\"%s\", " | |
1217 | "muxer-notif-iter-addr=%p", port, | |
1218 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1219 | ret = -1; |
1220 | goto end; | |
958f7d11 | 1221 | } |
318fe670 PP |
1222 | |
1223 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1224 | "port-addr=%p, port-name=\"%s\", " | |
1225 | "muxer-notif-iter-addr=%p", port, | |
1226 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1227 | } |
1228 | ||
1229 | end: | |
1230 | bt_put(comp); | |
1231 | return ret; | |
1232 | } | |
1233 | ||
958f7d11 PP |
1234 | BT_HIDDEN |
1235 | enum bt_notification_iterator_status muxer_notif_iter_init( | |
1236 | struct bt_private_notification_iterator *priv_notif_iter, | |
1237 | struct bt_private_port *output_priv_port) | |
1238 | { | |
1239 | struct muxer_comp *muxer_comp = NULL; | |
1240 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
1241 | struct bt_private_component *priv_comp = NULL; | |
1242 | enum bt_notification_iterator_status status = | |
1243 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1244 | int ret; | |
1245 | ||
1246 | priv_comp = bt_private_notification_iterator_get_private_component( | |
1247 | priv_notif_iter); | |
1248 | assert(priv_comp); | |
1249 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1250 | assert(muxer_comp); | |
318fe670 PP |
1251 | BT_LOGD("Initializing muxer component's notification iterator: " |
1252 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1253 | priv_comp, muxer_comp, priv_notif_iter); | |
a09c6b95 PP |
1254 | |
1255 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1256 | /* | |
089717de PP |
1257 | * Weird, unhandled situation detected: downstream |
1258 | * creates a muxer notification iterator while creating | |
1259 | * another muxer notification iterator (same component). | |
a09c6b95 | 1260 | */ |
318fe670 PP |
1261 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1262 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1263 | priv_comp, muxer_comp, priv_notif_iter); | |
958f7d11 PP |
1264 | goto error; |
1265 | } | |
1266 | ||
a09c6b95 PP |
1267 | muxer_comp->initializing_muxer_notif_iter = true; |
1268 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1269 | if (!muxer_notif_iter) { | |
318fe670 | 1270 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1271 | goto error; |
1272 | } | |
1273 | ||
958f7d11 PP |
1274 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1275 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1276 | g_ptr_array_new_with_free_func( | |
1277 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1278 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
318fe670 | 1279 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1280 | goto error; |
1281 | } | |
1282 | ||
a09c6b95 PP |
1283 | /* |
1284 | * Add the muxer notification iterator to the component's array | |
1285 | * of muxer notification iterators here because | |
1286 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1287 | * muxer_port_connected() to be called, which adds the newly | |
1288 | * connected port to each muxer notification iterator's list of | |
1289 | * newly connected ports. | |
1290 | */ | |
1291 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1292 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1293 | muxer_notif_iter); | |
1294 | if (ret) { | |
318fe670 PP |
1295 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1296 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1297 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
1298 | priv_comp, muxer_comp, muxer_notif_iter, | |
1299 | priv_notif_iter, ret); | |
a09c6b95 PP |
1300 | goto error; |
1301 | } | |
1302 | ||
958f7d11 PP |
1303 | ret = bt_private_notification_iterator_set_user_data(priv_notif_iter, |
1304 | muxer_notif_iter); | |
1305 | assert(ret == 0); | |
318fe670 PP |
1306 | BT_LOGD("Initialized muxer component's notification iterator: " |
1307 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1308 | "notif-iter-addr=%p", | |
1309 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1310 | goto end; |
1311 | ||
1312 | error: | |
a09c6b95 PP |
1313 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1314 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1315 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1316 | muxer_comp->muxer_notif_iters->len - 1); | |
1317 | } | |
1318 | ||
958f7d11 PP |
1319 | destroy_muxer_notif_iter(muxer_notif_iter); |
1320 | ret = bt_private_notification_iterator_set_user_data(priv_notif_iter, | |
1321 | NULL); | |
1322 | assert(ret == 0); | |
1323 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1324 | ||
1325 | end: | |
a09c6b95 | 1326 | muxer_comp->initializing_muxer_notif_iter = false; |
958f7d11 PP |
1327 | bt_put(priv_comp); |
1328 | return status; | |
1329 | } | |
1330 | ||
1331 | BT_HIDDEN | |
1332 | void muxer_notif_iter_finalize( | |
1333 | struct bt_private_notification_iterator *priv_notif_iter) | |
1334 | { | |
1335 | struct muxer_notif_iter *muxer_notif_iter = | |
1336 | bt_private_notification_iterator_get_user_data(priv_notif_iter); | |
1337 | struct bt_private_component *priv_comp = NULL; | |
1338 | struct muxer_comp *muxer_comp = NULL; | |
1339 | ||
1340 | priv_comp = bt_private_notification_iterator_get_private_component( | |
1341 | priv_notif_iter); | |
1342 | assert(priv_comp); | |
1343 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
318fe670 PP |
1344 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1345 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1346 | "notif-iter-addr=%p", | |
1347 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1348 | |
1349 | if (muxer_comp) { | |
1350 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1351 | muxer_notif_iter); | |
1352 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1353 | } | |
1354 | ||
1355 | bt_put(priv_comp); | |
1356 | } | |
1357 | ||
1358 | BT_HIDDEN | |
1359 | struct bt_notification_iterator_next_return muxer_notif_iter_next( | |
1360 | struct bt_private_notification_iterator *priv_notif_iter) | |
1361 | { | |
089717de | 1362 | struct bt_notification_iterator_next_return next_ret; |
958f7d11 PP |
1363 | struct muxer_notif_iter *muxer_notif_iter = |
1364 | bt_private_notification_iterator_get_user_data(priv_notif_iter); | |
1365 | struct bt_private_component *priv_comp = NULL; | |
1366 | struct muxer_comp *muxer_comp = NULL; | |
958f7d11 PP |
1367 | |
1368 | assert(muxer_notif_iter); | |
1369 | priv_comp = bt_private_notification_iterator_get_private_component( | |
1370 | priv_notif_iter); | |
1371 | assert(priv_comp); | |
1372 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1373 | assert(muxer_comp); | |
1374 | ||
318fe670 PP |
1375 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1376 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1377 | "notif-iter-addr=%p", | |
1378 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
1379 | ||
958f7d11 PP |
1380 | /* Are we in an error state set elsewhere? */ |
1381 | if (unlikely(muxer_comp->error)) { | |
318fe670 PP |
1382 | BT_LOGE("Muxer component is already in an error state: returning BT_NOTIFICATION_ITERATOR_STATUS_ERROR: " |
1383 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1384 | "notif-iter-addr=%p", | |
1385 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
089717de PP |
1386 | next_ret.notification = NULL; |
1387 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1388 | goto end; | |
958f7d11 PP |
1389 | } |
1390 | ||
089717de | 1391 | next_ret = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter); |
318fe670 PP |
1392 | if (next_ret.status < 0) { |
1393 | BT_LOGE("Cannot get next notification: " | |
1394 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1395 | "notif-iter-addr=%p, status=%s", | |
1396 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter, | |
1397 | bt_notification_iterator_status_string(next_ret.status)); | |
1398 | } else { | |
1399 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
1400 | "status=%s, notif-addr=%p", | |
1401 | bt_notification_iterator_status_string(next_ret.status), | |
1402 | next_ret.notification); | |
1403 | } | |
958f7d11 PP |
1404 | |
1405 | end: | |
1406 | bt_put(priv_comp); | |
1407 | return next_ret; | |
1408 | } | |
1409 | ||
1410 | BT_HIDDEN | |
1411 | void muxer_port_connected( | |
1412 | struct bt_private_component *priv_comp, | |
1413 | struct bt_private_port *self_private_port, | |
1414 | struct bt_port *other_port) | |
1415 | { | |
1416 | struct bt_port *self_port = | |
1417 | bt_port_from_private_port(self_private_port); | |
1418 | struct muxer_comp *muxer_comp = | |
1419 | bt_private_component_get_user_data(priv_comp); | |
1420 | size_t i; | |
06a2cb0d | 1421 | int ret; |
958f7d11 PP |
1422 | |
1423 | assert(self_port); | |
1424 | assert(muxer_comp); | |
318fe670 PP |
1425 | BT_LOGD("Port connected: " |
1426 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1427 | "port-addr=%p, port-name=\"%s\", " | |
1428 | "other-port-addr=%p, other-port-name=\"%s\"", | |
1429 | priv_comp, muxer_comp, self_port, bt_port_get_name(self_port), | |
1430 | other_port, bt_port_get_name(other_port)); | |
958f7d11 | 1431 | |
06a2cb0d PP |
1432 | if (bt_port_get_type(self_port) == BT_PORT_TYPE_OUTPUT) { |
1433 | goto end; | |
958f7d11 PP |
1434 | } |
1435 | ||
1436 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1437 | struct muxer_notif_iter *muxer_notif_iter = | |
1438 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1439 | ||
1440 | /* | |
ab11110e PP |
1441 | * Add this port to the list of newly connected ports |
1442 | * for this muxer notification iterator. We append at | |
1443 | * the end of this list while | |
1444 | * muxer_notif_iter_handle_newly_connected_ports() | |
1445 | * removes the nodes from the beginning. | |
958f7d11 | 1446 | */ |
ab11110e PP |
1447 | muxer_notif_iter->newly_connected_priv_ports = |
1448 | g_list_append( | |
1449 | muxer_notif_iter->newly_connected_priv_ports, | |
06a2cb0d | 1450 | self_private_port); |
ab11110e | 1451 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
318fe670 PP |
1452 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1453 | "port-addr=%p, port-name=\"%s\", " | |
1454 | "muxer-notif-iter-addr=%p", self_port, | |
1455 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1456 | muxer_comp->error = true; |
1457 | goto end; | |
1458 | } | |
318fe670 PP |
1459 | |
1460 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1461 | "port-addr=%p, port-name=\"%s\", " | |
1462 | "muxer-notif-iter-addr=%p", self_port, | |
1463 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1464 | } |
1465 | ||
06a2cb0d PP |
1466 | /* One less available input port */ |
1467 | muxer_comp->available_input_ports--; | |
1468 | ret = ensure_available_input_port(priv_comp); | |
1469 | if (ret) { | |
1470 | /* | |
1471 | * Only way to report an error later since this | |
1472 | * method does not return anything. | |
1473 | */ | |
318fe670 PP |
1474 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1475 | "muxer-comp-addr=%p, status=%s", | |
1476 | muxer_comp, bt_component_status_string(ret)); | |
06a2cb0d PP |
1477 | muxer_comp->error = true; |
1478 | goto end; | |
1479 | } | |
1480 | ||
958f7d11 PP |
1481 | end: |
1482 | bt_put(self_port); | |
1483 | } | |
1484 | ||
1485 | BT_HIDDEN | |
1486 | void muxer_port_disconnected(struct bt_private_component *priv_comp, | |
1487 | struct bt_private_port *priv_port) | |
1488 | { | |
1489 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
1490 | struct muxer_comp *muxer_comp = | |
1491 | bt_private_component_get_user_data(priv_comp); | |
1492 | ||
1493 | assert(port); | |
1494 | assert(muxer_comp); | |
318fe670 PP |
1495 | BT_LOGD("Port disconnected: " |
1496 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1497 | "port-name=\"%s\"", priv_comp, muxer_comp, | |
1498 | port, bt_port_get_name(port)); | |
958f7d11 | 1499 | |
ab11110e PP |
1500 | /* |
1501 | * There's nothing special to do when a port is disconnected | |
1502 | * because this component deals with upstream notification | |
1503 | * iterators which were already created thanks to connected | |
1504 | * ports. The fact that the port is disconnected does not cancel | |
1505 | * the upstream notification iterators created using its | |
089717de PP |
1506 | * connection: they still exist, even if the connection is dead. |
1507 | * The only way to remove an upstream notification iterator is | |
1508 | * for its "next" operation to return | |
1509 | * BT_NOTIFICATION_ITERATOR_STATUS_END. | |
ab11110e | 1510 | */ |
958f7d11 PP |
1511 | if (bt_port_get_type(port) == BT_PORT_TYPE_INPUT) { |
1512 | /* One more available input port */ | |
1513 | muxer_comp->available_input_ports++; | |
318fe670 PP |
1514 | BT_LOGD("Leaving disconnected input port available for future connections: " |
1515 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1516 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1517 | priv_comp, muxer_comp, port, bt_port_get_name(port), | |
1518 | muxer_comp->available_input_ports); | |
958f7d11 PP |
1519 | } |
1520 | ||
1521 | bt_put(port); | |
1522 | } |