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> |
9d408fca PP |
28 | #include <babeltrace/babeltrace.h> |
29 | #include <babeltrace/values-internal.h> | |
fed72692 | 30 | #include <babeltrace/graph/component-internal.h> |
fed72692 | 31 | #include <babeltrace/graph/notification-iterator-internal.h> |
fed72692 | 32 | #include <babeltrace/graph/connection-internal.h> |
958f7d11 PP |
33 | #include <plugins-common.h> |
34 | #include <glib.h> | |
c55a9f58 | 35 | #include <stdbool.h> |
fed72692 | 36 | #include <inttypes.h> |
958f7d11 | 37 | #include <assert.h> |
0fbb9a9f | 38 | #include <stdlib.h> |
282c8cd0 | 39 | #include <string.h> |
958f7d11 | 40 | |
c3acd5f3 | 41 | #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes" |
65ee897d | 42 | |
958f7d11 | 43 | struct muxer_comp { |
90157d89 PP |
44 | /* |
45 | * Array of struct | |
46 | * bt_private_connection_private_notification_iterator * | |
47 | * (weak refs) | |
48 | */ | |
958f7d11 PP |
49 | GPtrArray *muxer_notif_iters; |
50 | ||
51 | /* Weak ref */ | |
52 | struct bt_private_component *priv_comp; | |
53 | unsigned int next_port_num; | |
54 | size_t available_input_ports; | |
55 | bool error; | |
a09c6b95 | 56 | bool initializing_muxer_notif_iter; |
282c8cd0 | 57 | bool assume_absolute_clock_classes; |
958f7d11 PP |
58 | }; |
59 | ||
60 | struct muxer_upstream_notif_iter { | |
ab11110e | 61 | /* Owned by this, NULL if ended */ |
958f7d11 PP |
62 | struct bt_notification_iterator *notif_iter; |
63 | ||
089717de PP |
64 | /* |
65 | * This flag is true if the upstream notification iterator's | |
66 | * current notification must be considered for the multiplexing | |
67 | * operations. If the upstream iterator returns | |
68 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN, then this object | |
69 | * is considered invalid, because its current notification is | |
70 | * still the previous one, but we already took it into account. | |
71 | * | |
72 | * The value of this flag is not important if notif_iter above | |
73 | * is NULL (which means the upstream iterator is finished). | |
74 | */ | |
75 | bool is_valid; | |
958f7d11 PP |
76 | }; |
77 | ||
282c8cd0 PP |
78 | enum muxer_notif_iter_clock_class_expectation { |
79 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
80 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
81 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
82 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
83 | }; | |
84 | ||
958f7d11 | 85 | struct muxer_notif_iter { |
ab11110e PP |
86 | /* |
87 | * Array of struct muxer_upstream_notif_iter * (owned by this). | |
88 | * | |
89 | * NOTE: This array is searched in linearly to find the youngest | |
90 | * current notification. Keep this until benchmarks confirm that | |
91 | * another data structure is faster than this for our typical | |
92 | * use cases. | |
93 | */ | |
958f7d11 PP |
94 | GPtrArray *muxer_upstream_notif_iters; |
95 | ||
ab11110e | 96 | /* |
06a2cb0d | 97 | * List of "recently" connected input ports (weak) to |
ab11110e PP |
98 | * handle by this muxer notification iterator. |
99 | * muxer_port_connected() adds entries to this list, and the | |
100 | * entries are removed when a notification iterator is created | |
101 | * on the port's connection and put into | |
102 | * muxer_upstream_notif_iters above by | |
103 | * muxer_notif_iter_handle_newly_connected_ports(). | |
104 | */ | |
105 | GList *newly_connected_priv_ports; | |
958f7d11 PP |
106 | |
107 | /* Next thing to return by the "next" method */ | |
90157d89 | 108 | struct bt_notification_iterator_next_method_return next_next_return; |
958f7d11 PP |
109 | |
110 | /* Last time returned in a notification */ | |
111 | int64_t last_returned_ts_ns; | |
282c8cd0 PP |
112 | |
113 | /* Clock class expectation state */ | |
114 | enum muxer_notif_iter_clock_class_expectation clock_class_expectation; | |
115 | ||
116 | /* | |
117 | * Expected clock class UUID, only valid when | |
118 | * clock_class_expectation is | |
119 | * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. | |
120 | */ | |
121 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
122 | }; |
123 | ||
ab11110e PP |
124 | static |
125 | void destroy_muxer_upstream_notif_iter( | |
126 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
127 | { | |
128 | if (!muxer_upstream_notif_iter) { | |
129 | return; | |
130 | } | |
131 | ||
fed72692 PP |
132 | BT_LOGD("Destroying muxer's upstream notification iterator wrapper: " |
133 | "addr=%p, notif-iter-addr=%p, is-valid=%d", | |
134 | muxer_upstream_notif_iter, | |
135 | muxer_upstream_notif_iter->notif_iter, | |
136 | muxer_upstream_notif_iter->is_valid); | |
ab11110e | 137 | bt_put(muxer_upstream_notif_iter->notif_iter); |
ab11110e PP |
138 | g_free(muxer_upstream_notif_iter); |
139 | } | |
140 | ||
958f7d11 PP |
141 | static |
142 | struct muxer_upstream_notif_iter *muxer_notif_iter_add_upstream_notif_iter( | |
143 | struct muxer_notif_iter *muxer_notif_iter, | |
144 | struct bt_notification_iterator *notif_iter, | |
145 | struct bt_private_port *priv_port) | |
146 | { | |
147 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
148 | g_new0(struct muxer_upstream_notif_iter, 1); | |
149 | ||
150 | if (!muxer_upstream_notif_iter) { | |
fed72692 | 151 | BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper."); |
958f7d11 PP |
152 | goto end; |
153 | } | |
154 | ||
155 | muxer_upstream_notif_iter->notif_iter = bt_get(notif_iter); | |
089717de | 156 | muxer_upstream_notif_iter->is_valid = false; |
958f7d11 PP |
157 | g_ptr_array_add(muxer_notif_iter->muxer_upstream_notif_iters, |
158 | muxer_upstream_notif_iter); | |
fed72692 PP |
159 | BT_LOGD("Added muxer's upstream notification iterator wrapper: " |
160 | "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p", | |
161 | muxer_upstream_notif_iter, muxer_notif_iter, | |
162 | notif_iter); | |
958f7d11 PP |
163 | |
164 | end: | |
165 | return muxer_upstream_notif_iter; | |
166 | } | |
167 | ||
958f7d11 | 168 | static |
147337a3 PP |
169 | enum bt_component_status ensure_available_input_port( |
170 | struct bt_private_component *priv_comp) | |
958f7d11 PP |
171 | { |
172 | struct muxer_comp *muxer_comp = | |
173 | bt_private_component_get_user_data(priv_comp); | |
147337a3 | 174 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
958f7d11 | 175 | GString *port_name = NULL; |
958f7d11 PP |
176 | |
177 | assert(muxer_comp); | |
178 | ||
179 | if (muxer_comp->available_input_ports >= 1) { | |
180 | goto end; | |
181 | } | |
182 | ||
183 | port_name = g_string_new("in"); | |
184 | if (!port_name) { | |
fed72692 | 185 | BT_LOGE_STR("Failed to allocate a GString."); |
147337a3 | 186 | status = BT_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
187 | goto end; |
188 | } | |
189 | ||
190 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
147337a3 PP |
191 | status = bt_private_component_filter_add_input_private_port( |
192 | priv_comp, port_name->str, NULL, NULL); | |
193 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
194 | BT_LOGE("Cannot add input port to muxer component: " |
195 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
196 | port_name->str, priv_comp, | |
197 | bt_component_status_string(status)); | |
958f7d11 PP |
198 | goto end; |
199 | } | |
200 | ||
201 | muxer_comp->available_input_ports++; | |
202 | muxer_comp->next_port_num++; | |
fed72692 PP |
203 | BT_LOGD("Added one input port to muxer component: " |
204 | "port-name=\"%s\", comp-addr=%p", | |
205 | port_name->str, priv_comp); | |
958f7d11 PP |
206 | end: |
207 | if (port_name) { | |
208 | g_string_free(port_name, TRUE); | |
209 | } | |
210 | ||
147337a3 | 211 | return status; |
958f7d11 PP |
212 | } |
213 | ||
958f7d11 | 214 | static |
147337a3 PP |
215 | enum bt_component_status create_output_port( |
216 | struct bt_private_component *priv_comp) | |
958f7d11 | 217 | { |
147337a3 PP |
218 | return bt_private_component_filter_add_output_private_port( |
219 | priv_comp, "out", NULL, NULL); | |
958f7d11 PP |
220 | } |
221 | ||
222 | static | |
223 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
224 | { | |
225 | if (!muxer_comp) { | |
226 | return; | |
227 | } | |
228 | ||
fed72692 PP |
229 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
230 | "muxer-notif-iter-count=%u", muxer_comp, | |
af18c5e7 JG |
231 | muxer_comp->muxer_notif_iters ? |
232 | muxer_comp->muxer_notif_iters->len : 0); | |
fed72692 | 233 | |
958f7d11 PP |
234 | if (muxer_comp->muxer_notif_iters) { |
235 | g_ptr_array_free(muxer_comp->muxer_notif_iters, TRUE); | |
236 | } | |
237 | ||
238 | g_free(muxer_comp); | |
239 | } | |
240 | ||
65ee897d PP |
241 | static |
242 | struct bt_value *get_default_params(void) | |
243 | { | |
244 | struct bt_value *params; | |
245 | int ret; | |
246 | ||
247 | params = bt_value_map_create(); | |
248 | if (!params) { | |
fed72692 | 249 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
250 | goto error; |
251 | } | |
252 | ||
c3acd5f3 JG |
253 | ret = bt_value_map_insert_bool(params, |
254 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); | |
65ee897d | 255 | if (ret) { |
fed72692 | 256 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
257 | goto error; |
258 | } | |
259 | ||
260 | goto end; | |
261 | ||
262 | error: | |
263 | BT_PUT(params); | |
264 | ||
265 | end: | |
266 | return params; | |
267 | } | |
268 | ||
269 | static | |
270 | int configure_muxer_comp(struct muxer_comp *muxer_comp, struct bt_value *params) | |
271 | { | |
272 | struct bt_value *default_params = NULL; | |
273 | struct bt_value *real_params = NULL; | |
282c8cd0 | 274 | struct bt_value *assume_absolute_clock_classes = NULL; |
65ee897d | 275 | int ret = 0; |
c55a9f58 | 276 | bt_bool bool_val; |
65ee897d PP |
277 | |
278 | default_params = get_default_params(); | |
279 | if (!default_params) { | |
fed72692 PP |
280 | BT_LOGE("Cannot get default parameters: " |
281 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
282 | goto error; |
283 | } | |
284 | ||
285 | real_params = bt_value_map_extend(default_params, params); | |
286 | if (!real_params) { | |
fed72692 PP |
287 | BT_LOGE("Cannot extend default parameters map value: " |
288 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
289 | "params-addr=%p", muxer_comp, default_params, | |
290 | params); | |
65ee897d PP |
291 | goto error; |
292 | } | |
293 | ||
282c8cd0 | 294 | assume_absolute_clock_classes = bt_value_map_get(real_params, |
c3acd5f3 | 295 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); |
282c8cd0 | 296 | if (!bt_value_is_bool(assume_absolute_clock_classes)) { |
fed72692 PP |
297 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
298 | "muxer-comp-addr=%p, value-type=%s", | |
299 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
300 | bt_value_type_string( | |
301 | bt_value_get_type(assume_absolute_clock_classes))); | |
65ee897d PP |
302 | goto error; |
303 | } | |
304 | ||
fed72692 PP |
305 | ret = bt_value_bool_get(assume_absolute_clock_classes, &bool_val); |
306 | assert(ret == 0); | |
282c8cd0 | 307 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
fed72692 PP |
308 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
309 | "assume-absolute-clock-classes=%d", | |
310 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
311 | goto end; |
312 | ||
313 | error: | |
314 | ret = -1; | |
315 | ||
316 | end: | |
317 | bt_put(default_params); | |
318 | bt_put(real_params); | |
282c8cd0 | 319 | bt_put(assume_absolute_clock_classes); |
65ee897d PP |
320 | return ret; |
321 | } | |
322 | ||
958f7d11 PP |
323 | BT_HIDDEN |
324 | enum bt_component_status muxer_init( | |
325 | struct bt_private_component *priv_comp, | |
326 | struct bt_value *params, void *init_data) | |
327 | { | |
328 | int ret; | |
329 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; | |
330 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); | |
331 | ||
fed72692 PP |
332 | BT_LOGD("Initializing muxer component: " |
333 | "comp-addr=%p, params-addr=%p", priv_comp, params); | |
334 | ||
958f7d11 | 335 | if (!muxer_comp) { |
fed72692 | 336 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
337 | goto error; |
338 | } | |
339 | ||
65ee897d PP |
340 | ret = configure_muxer_comp(muxer_comp, params); |
341 | if (ret) { | |
fed72692 PP |
342 | BT_LOGE("Cannot configure muxer component: " |
343 | "muxer-comp-addr=%p, params-addr=%p", | |
344 | muxer_comp, params); | |
65ee897d PP |
345 | goto error; |
346 | } | |
347 | ||
958f7d11 PP |
348 | muxer_comp->muxer_notif_iters = g_ptr_array_new(); |
349 | if (!muxer_comp->muxer_notif_iters) { | |
fed72692 | 350 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
351 | goto error; |
352 | } | |
353 | ||
354 | muxer_comp->priv_comp = priv_comp; | |
355 | ret = bt_private_component_set_user_data(priv_comp, muxer_comp); | |
356 | assert(ret == 0); | |
147337a3 PP |
357 | status = ensure_available_input_port(priv_comp); |
358 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
359 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
360 | "muxer-comp-addr=%p, status=%s", | |
361 | muxer_comp, | |
362 | bt_component_status_string(status)); | |
958f7d11 PP |
363 | goto error; |
364 | } | |
365 | ||
fed72692 PP |
366 | status = create_output_port(priv_comp); |
367 | if (status) { | |
368 | BT_LOGE("Cannot create muxer component's output port: " | |
369 | "muxer-comp-addr=%p, status=%s", | |
370 | muxer_comp, | |
371 | bt_component_status_string(status)); | |
958f7d11 PP |
372 | goto error; |
373 | } | |
374 | ||
fed72692 PP |
375 | BT_LOGD("Initialized muxer component: " |
376 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
377 | priv_comp, params, muxer_comp); | |
378 | ||
958f7d11 PP |
379 | goto end; |
380 | ||
381 | error: | |
382 | destroy_muxer_comp(muxer_comp); | |
383 | ret = bt_private_component_set_user_data(priv_comp, NULL); | |
384 | assert(ret == 0); | |
147337a3 PP |
385 | |
386 | if (status == BT_COMPONENT_STATUS_OK) { | |
387 | status = BT_COMPONENT_STATUS_ERROR; | |
388 | } | |
958f7d11 PP |
389 | |
390 | end: | |
391 | return status; | |
392 | } | |
393 | ||
394 | BT_HIDDEN | |
395 | void muxer_finalize(struct bt_private_component *priv_comp) | |
396 | { | |
397 | struct muxer_comp *muxer_comp = | |
398 | bt_private_component_get_user_data(priv_comp); | |
399 | ||
fed72692 PP |
400 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
401 | priv_comp); | |
958f7d11 PP |
402 | destroy_muxer_comp(muxer_comp); |
403 | } | |
404 | ||
405 | static | |
406 | struct bt_notification_iterator *create_notif_iter_on_input_port( | |
407 | struct bt_private_port *priv_port, int *ret) | |
408 | { | |
409 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
410 | struct bt_notification_iterator *notif_iter = NULL; | |
411 | struct bt_private_connection *priv_conn = NULL; | |
73d5c1ad | 412 | enum bt_connection_status conn_status; |
958f7d11 PP |
413 | |
414 | assert(ret); | |
415 | *ret = 0; | |
416 | assert(port); | |
958f7d11 PP |
417 | assert(bt_port_is_connected(port)); |
418 | priv_conn = bt_private_port_get_private_connection(priv_port); | |
fed72692 | 419 | assert(priv_conn); |
958f7d11 | 420 | |
ab11110e PP |
421 | // TODO: Advance the iterator to >= the time of the latest |
422 | // returned notification by the muxer notification | |
423 | // iterator which creates it. | |
73d5c1ad PP |
424 | conn_status = bt_private_connection_create_notification_iterator( |
425 | priv_conn, NULL, ¬if_iter); | |
426 | if (conn_status != BT_CONNECTION_STATUS_OK) { | |
fed72692 PP |
427 | BT_LOGE("Cannot create upstream notification iterator on input port's connection: " |
428 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
429 | "status=%s", | |
430 | port, bt_port_get_name(port), priv_conn, | |
431 | bt_connection_status_string(conn_status)); | |
958f7d11 PP |
432 | *ret = -1; |
433 | goto end; | |
434 | } | |
435 | ||
fed72692 PP |
436 | BT_LOGD("Created upstream notification iterator on input port's connection: " |
437 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
438 | "notif-iter-addr=%p", | |
439 | port, bt_port_get_name(port), priv_conn, notif_iter); | |
440 | ||
958f7d11 PP |
441 | end: |
442 | bt_put(port); | |
443 | bt_put(priv_conn); | |
444 | return notif_iter; | |
445 | } | |
446 | ||
ab11110e | 447 | static |
089717de | 448 | enum bt_notification_iterator_status muxer_upstream_notif_iter_next( |
ab11110e PP |
449 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) |
450 | { | |
089717de | 451 | enum bt_notification_iterator_status status; |
ab11110e | 452 | |
fed72692 PP |
453 | BT_LOGV("Calling upstream notification iterator's \"next\" method: " |
454 | "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p", | |
455 | muxer_upstream_notif_iter, | |
456 | muxer_upstream_notif_iter->notif_iter); | |
089717de | 457 | status = bt_notification_iterator_next( |
ab11110e | 458 | muxer_upstream_notif_iter->notif_iter); |
fed72692 PP |
459 | BT_LOGV("Upstream notification iterator's \"next\" method returned: " |
460 | "status=%s", bt_notification_iterator_status_string(status)); | |
ab11110e | 461 | |
089717de | 462 | switch (status) { |
ab11110e | 463 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
089717de PP |
464 | /* |
465 | * Notification iterator's current notification is valid: | |
466 | * it must be considered for muxing operations. | |
467 | */ | |
fed72692 | 468 | BT_LOGV_STR("Validated upstream notification iterator wrapper."); |
089717de | 469 | muxer_upstream_notif_iter->is_valid = true; |
ab11110e PP |
470 | break; |
471 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
089717de PP |
472 | /* |
473 | * Notification iterator's current notification is not | |
474 | * valid anymore. Return | |
475 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN | |
476 | * immediately. | |
477 | */ | |
fed72692 | 478 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_AGAIN."); |
089717de | 479 | muxer_upstream_notif_iter->is_valid = false; |
ab11110e | 480 | break; |
beed0223 MD |
481 | case BT_NOTIFICATION_ITERATOR_STATUS_END: /* Fall-through. */ |
482 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
ab11110e PP |
483 | /* |
484 | * Notification iterator reached the end: release it. It | |
485 | * won't be considered again to find the youngest | |
486 | * notification. | |
487 | */ | |
fed72692 | 488 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_END or BT_NOTIFICATION_ITERATOR_STATUS_CANCELED."); |
ab11110e | 489 | BT_PUT(muxer_upstream_notif_iter->notif_iter); |
089717de PP |
490 | muxer_upstream_notif_iter->is_valid = false; |
491 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
492 | break; | |
ab11110e PP |
493 | default: |
494 | /* Error or unsupported status code */ | |
fed72692 PP |
495 | BT_LOGE("Error or unsupported status code: " |
496 | "status-code=%d", status); | |
089717de PP |
497 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
498 | break; | |
ab11110e PP |
499 | } |
500 | ||
089717de | 501 | return status; |
ab11110e PP |
502 | } |
503 | ||
504 | static | |
089717de | 505 | int muxer_notif_iter_handle_newly_connected_ports( |
ab11110e PP |
506 | struct muxer_notif_iter *muxer_notif_iter) |
507 | { | |
ab11110e PP |
508 | int ret = 0; |
509 | ||
fed72692 PP |
510 | BT_LOGV("Handling newly connected ports: " |
511 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
512 | ||
ab11110e PP |
513 | /* |
514 | * Here we create one upstream notification iterator for each | |
089717de PP |
515 | * newly connected port. We do not perform an initial "next" on |
516 | * those new upstream notification iterators: they are | |
517 | * invalidated, to be validated later. The list of newly | |
518 | * connected ports to handle here is updated by | |
519 | * muxer_port_connected(). | |
ab11110e PP |
520 | */ |
521 | while (true) { | |
522 | GList *node = muxer_notif_iter->newly_connected_priv_ports; | |
523 | struct bt_private_port *priv_port; | |
524 | struct bt_port *port; | |
525 | struct bt_notification_iterator *upstream_notif_iter = NULL; | |
526 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; | |
527 | ||
528 | if (!node) { | |
529 | break; | |
530 | } | |
531 | ||
532 | priv_port = node->data; | |
533 | port = bt_port_from_private_port(priv_port); | |
534 | assert(port); | |
535 | ||
536 | if (!bt_port_is_connected(port)) { | |
537 | /* | |
538 | * Looks like this port is not connected | |
539 | * anymore: we can't create an upstream | |
089717de PP |
540 | * notification iterator on its (non-existing) |
541 | * connection in this case. | |
ab11110e PP |
542 | */ |
543 | goto remove_node; | |
544 | } | |
545 | ||
546 | BT_PUT(port); | |
547 | upstream_notif_iter = create_notif_iter_on_input_port(priv_port, | |
548 | &ret); | |
549 | if (ret) { | |
fed72692 | 550 | /* create_notif_iter_on_input_port() logs errors */ |
ab11110e | 551 | assert(!upstream_notif_iter); |
ab11110e PP |
552 | goto error; |
553 | } | |
554 | ||
555 | muxer_upstream_notif_iter = | |
556 | muxer_notif_iter_add_upstream_notif_iter( | |
557 | muxer_notif_iter, upstream_notif_iter, | |
558 | priv_port); | |
ab11110e PP |
559 | BT_PUT(upstream_notif_iter); |
560 | if (!muxer_upstream_notif_iter) { | |
fed72692 PP |
561 | /* |
562 | * muxer_notif_iter_add_upstream_notif_iter() | |
563 | * logs errors. | |
564 | */ | |
ab11110e PP |
565 | goto error; |
566 | } | |
567 | ||
ab11110e PP |
568 | remove_node: |
569 | bt_put(upstream_notif_iter); | |
570 | bt_put(port); | |
ab11110e PP |
571 | muxer_notif_iter->newly_connected_priv_ports = |
572 | g_list_delete_link( | |
573 | muxer_notif_iter->newly_connected_priv_ports, | |
574 | node); | |
575 | } | |
576 | ||
577 | goto end; | |
578 | ||
579 | error: | |
089717de | 580 | if (ret >= 0) { |
ab11110e PP |
581 | ret = -1; |
582 | } | |
583 | ||
584 | end: | |
ab11110e PP |
585 | return ret; |
586 | } | |
587 | ||
958f7d11 PP |
588 | static |
589 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 590 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
591 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
592 | int64_t *ts_ns) | |
593 | { | |
594 | struct bt_clock_class_priority_map *cc_prio_map = NULL; | |
595 | struct bt_ctf_clock_class *clock_class = NULL; | |
596 | struct bt_ctf_clock_value *clock_value = NULL; | |
597 | struct bt_ctf_event *event = NULL; | |
598 | int ret = 0; | |
282c8cd0 | 599 | const unsigned char *cc_uuid; |
fed72692 | 600 | const char *cc_name; |
958f7d11 PP |
601 | |
602 | assert(notif); | |
603 | assert(ts_ns); | |
604 | ||
fed72692 PP |
605 | BT_LOGV("Getting notification's timestamp: " |
606 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
607 | "last-returned-ts=%" PRId64, | |
608 | muxer_notif_iter, notif, last_returned_ts_ns); | |
609 | ||
958f7d11 PP |
610 | switch (bt_notification_get_type(notif)) { |
611 | case BT_NOTIFICATION_TYPE_EVENT: | |
612 | cc_prio_map = | |
613 | bt_notification_event_get_clock_class_priority_map( | |
614 | notif); | |
615 | break; | |
616 | ||
617 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
618 | cc_prio_map = | |
a09c6b95 | 619 | bt_notification_inactivity_get_clock_class_priority_map( |
958f7d11 PP |
620 | notif); |
621 | break; | |
622 | default: | |
089717de | 623 | /* All the other notifications have a higher priority */ |
fed72692 | 624 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
625 | *ts_ns = last_returned_ts_ns; |
626 | goto end; | |
627 | } | |
628 | ||
629 | if (!cc_prio_map) { | |
fed72692 PP |
630 | BT_LOGE("Cannot get notification's clock class priority map: " |
631 | "notif-addr=%p", notif); | |
958f7d11 PP |
632 | goto error; |
633 | } | |
634 | ||
635 | /* | |
636 | * If the clock class priority map is empty, then we consider | |
637 | * that this notification has no time. In this case it's always | |
638 | * the youngest. | |
639 | */ | |
640 | if (bt_clock_class_priority_map_get_clock_class_count(cc_prio_map) == 0) { | |
fed72692 PP |
641 | BT_LOGV_STR("Notification's clock class priorty map contains 0 clock classes: " |
642 | "using the last returned timestamp."); | |
958f7d11 PP |
643 | *ts_ns = last_returned_ts_ns; |
644 | goto end; | |
645 | } | |
646 | ||
647 | clock_class = | |
648 | bt_clock_class_priority_map_get_highest_priority_clock_class( | |
649 | cc_prio_map); | |
650 | if (!clock_class) { | |
fed72692 PP |
651 | BT_LOGE("Cannot get the clock class with the highest priority from clock class priority map: " |
652 | "cc-prio-map-addr=%p", cc_prio_map); | |
958f7d11 PP |
653 | goto error; |
654 | } | |
655 | ||
282c8cd0 | 656 | cc_uuid = bt_ctf_clock_class_get_uuid(clock_class); |
fed72692 | 657 | cc_name = bt_ctf_clock_class_get_name(clock_class); |
282c8cd0 PP |
658 | |
659 | if (muxer_notif_iter->clock_class_expectation == | |
660 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
661 | /* | |
662 | * This is the first clock class that this muxer | |
663 | * notification iterator encounters. Its properties | |
664 | * determine what to expect for the whole lifetime of | |
665 | * the iterator without a true | |
666 | * `assume-absolute-clock-classes` parameter. | |
667 | */ | |
668 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
669 | /* Expect absolute clock classes */ | |
670 | muxer_notif_iter->clock_class_expectation = | |
671 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
672 | } else { | |
673 | if (cc_uuid) { | |
674 | /* | |
675 | * Expect non-absolute clock classes | |
676 | * with a specific UUID. | |
677 | */ | |
678 | muxer_notif_iter->clock_class_expectation = | |
679 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
680 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
681 | cc_uuid, BABELTRACE_UUID_LEN); | |
682 | } else { | |
683 | /* | |
684 | * Expect non-absolute clock classes | |
685 | * with no UUID. | |
686 | */ | |
687 | muxer_notif_iter->clock_class_expectation = | |
688 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
689 | } | |
690 | } | |
691 | } | |
692 | ||
693 | if (!muxer_comp->assume_absolute_clock_classes) { | |
694 | switch (muxer_notif_iter->clock_class_expectation) { | |
695 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
696 | if (!bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
697 | BT_LOGE("Expecting an absolute clock class, " |
698 | "but got a non-absolute one: " | |
699 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
700 | clock_class, cc_name); | |
282c8cd0 PP |
701 | goto error; |
702 | } | |
703 | break; | |
704 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
705 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
706 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
707 | "but got an absolute one: " | |
708 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
709 | clock_class, cc_name); | |
282c8cd0 PP |
710 | goto error; |
711 | } | |
712 | ||
713 | if (cc_uuid) { | |
fed72692 PP |
714 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
715 | "but got one with a UUID: " | |
716 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
717 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
718 | clock_class, cc_name, | |
719 | (unsigned int) cc_uuid[0], | |
720 | (unsigned int) cc_uuid[1], | |
721 | (unsigned int) cc_uuid[2], | |
722 | (unsigned int) cc_uuid[3], | |
723 | (unsigned int) cc_uuid[4], | |
724 | (unsigned int) cc_uuid[5], | |
725 | (unsigned int) cc_uuid[6], | |
726 | (unsigned int) cc_uuid[7], | |
727 | (unsigned int) cc_uuid[8], | |
728 | (unsigned int) cc_uuid[9], | |
729 | (unsigned int) cc_uuid[10], | |
730 | (unsigned int) cc_uuid[11], | |
731 | (unsigned int) cc_uuid[12], | |
732 | (unsigned int) cc_uuid[13], | |
733 | (unsigned int) cc_uuid[14], | |
734 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
735 | goto error; |
736 | } | |
737 | break; | |
738 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
739 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
740 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
741 | "but got an absolute one: " | |
742 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
743 | clock_class, cc_name); | |
282c8cd0 PP |
744 | goto error; |
745 | } | |
746 | ||
747 | if (!cc_uuid) { | |
fed72692 PP |
748 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
749 | "but got one with no UUID: " | |
750 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
751 | clock_class, cc_name); | |
282c8cd0 PP |
752 | goto error; |
753 | } | |
754 | ||
755 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
756 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
fed72692 PP |
757 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
758 | "but got one with different UUID: " | |
759 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
760 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
761 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
762 | clock_class, cc_name, | |
763 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
764 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
765 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
766 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
767 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
768 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
769 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
770 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
771 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
772 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
773 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
774 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
775 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
776 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
777 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
778 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
779 | (unsigned int) cc_uuid[0], | |
780 | (unsigned int) cc_uuid[1], | |
781 | (unsigned int) cc_uuid[2], | |
782 | (unsigned int) cc_uuid[3], | |
783 | (unsigned int) cc_uuid[4], | |
784 | (unsigned int) cc_uuid[5], | |
785 | (unsigned int) cc_uuid[6], | |
786 | (unsigned int) cc_uuid[7], | |
787 | (unsigned int) cc_uuid[8], | |
788 | (unsigned int) cc_uuid[9], | |
789 | (unsigned int) cc_uuid[10], | |
790 | (unsigned int) cc_uuid[11], | |
791 | (unsigned int) cc_uuid[12], | |
792 | (unsigned int) cc_uuid[13], | |
793 | (unsigned int) cc_uuid[14], | |
794 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
795 | goto error; |
796 | } | |
797 | break; | |
798 | default: | |
799 | /* Unexpected */ | |
fed72692 PP |
800 | BT_LOGF("Unexpected clock class expectation: " |
801 | "expectation-code=%d", | |
802 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
803 | abort(); |
804 | } | |
958f7d11 PP |
805 | } |
806 | ||
807 | switch (bt_notification_get_type(notif)) { | |
808 | case BT_NOTIFICATION_TYPE_EVENT: | |
809 | event = bt_notification_event_get_event(notif); | |
ab11110e | 810 | assert(event); |
958f7d11 PP |
811 | clock_value = bt_ctf_event_get_clock_value(event, |
812 | clock_class); | |
813 | break; | |
814 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
815 | clock_value = bt_notification_inactivity_get_clock_value( | |
816 | notif, clock_class); | |
817 | break; | |
818 | default: | |
fed72692 PP |
819 | BT_LOGF("Unexpected notification type at this point: " |
820 | "type=%d", bt_notification_get_type(notif)); | |
0fbb9a9f | 821 | abort(); |
958f7d11 PP |
822 | } |
823 | ||
824 | if (!clock_value) { | |
fed72692 PP |
825 | BT_LOGE("Cannot get notification's clock value for clock class: " |
826 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
827 | clock_class, cc_name); | |
958f7d11 PP |
828 | goto error; |
829 | } | |
830 | ||
831 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, ts_ns); | |
832 | if (ret) { | |
fed72692 PP |
833 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
834 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
835 | goto error; |
836 | } | |
837 | ||
838 | goto end; | |
839 | ||
840 | error: | |
841 | ret = -1; | |
842 | ||
843 | end: | |
fed72692 PP |
844 | if (ret == 0) { |
845 | BT_LOGV("Found notification's timestamp: " | |
846 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
847 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
848 | muxer_notif_iter, notif, last_returned_ts_ns, | |
849 | *ts_ns); | |
850 | } | |
851 | ||
958f7d11 PP |
852 | bt_put(cc_prio_map); |
853 | bt_put(event); | |
854 | bt_put(clock_class); | |
855 | bt_put(clock_value); | |
856 | return ret; | |
857 | } | |
858 | ||
ab11110e PP |
859 | /* |
860 | * This function finds the youngest available notification amongst the | |
861 | * non-ended upstream notification iterators and returns the upstream | |
862 | * notification iterator which has it, or | |
863 | * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available | |
864 | * notification. | |
865 | * | |
866 | * This function does NOT: | |
867 | * | |
868 | * * Update any upstream notification iterator. | |
869 | * * Check for newly connected ports. | |
870 | * * Check the upstream notification iterators to retry. | |
871 | * | |
872 | * On sucess, this function sets *muxer_upstream_notif_iter to the | |
873 | * upstream notification iterator of which the current notification is | |
874 | * the youngest, and sets *ts_ns to its time. | |
875 | */ | |
958f7d11 PP |
876 | static |
877 | enum bt_notification_iterator_status | |
878 | muxer_notif_iter_youngest_upstream_notif_iter( | |
879 | struct muxer_comp *muxer_comp, | |
880 | struct muxer_notif_iter *muxer_notif_iter, | |
881 | struct muxer_upstream_notif_iter **muxer_upstream_notif_iter, | |
882 | int64_t *ts_ns) | |
883 | { | |
884 | size_t i; | |
885 | int ret; | |
886 | int64_t youngest_ts_ns = INT64_MAX; | |
887 | enum bt_notification_iterator_status status = | |
888 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
889 | ||
890 | assert(muxer_comp); | |
891 | assert(muxer_notif_iter); | |
892 | assert(muxer_upstream_notif_iter); | |
893 | *muxer_upstream_notif_iter = NULL; | |
894 | ||
895 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { | |
896 | struct bt_notification *notif; | |
897 | struct muxer_upstream_notif_iter *cur_muxer_upstream_notif_iter = | |
898 | g_ptr_array_index(muxer_notif_iter->muxer_upstream_notif_iters, i); | |
899 | int64_t notif_ts_ns; | |
900 | ||
901 | if (!cur_muxer_upstream_notif_iter->notif_iter) { | |
ab11110e | 902 | /* This upstream notification iterator is ended */ |
fed72692 PP |
903 | BT_LOGV("Skipping ended upstream notification iterator: " |
904 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
905 | cur_muxer_upstream_notif_iter); | |
958f7d11 PP |
906 | continue; |
907 | } | |
908 | ||
089717de | 909 | assert(cur_muxer_upstream_notif_iter->is_valid); |
958f7d11 PP |
910 | notif = bt_notification_iterator_get_notification( |
911 | cur_muxer_upstream_notif_iter->notif_iter); | |
912 | assert(notif); | |
282c8cd0 | 913 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 PP |
914 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
915 | bt_put(notif); | |
916 | if (ret) { | |
fed72692 | 917 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
918 | *muxer_upstream_notif_iter = NULL; |
919 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
920 | goto end; | |
921 | } | |
922 | ||
923 | if (notif_ts_ns <= youngest_ts_ns) { | |
924 | *muxer_upstream_notif_iter = | |
925 | cur_muxer_upstream_notif_iter; | |
926 | youngest_ts_ns = notif_ts_ns; | |
927 | *ts_ns = youngest_ts_ns; | |
928 | } | |
929 | } | |
930 | ||
931 | if (!*muxer_upstream_notif_iter) { | |
932 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
933 | *ts_ns = INT64_MIN; | |
934 | } | |
935 | ||
936 | end: | |
937 | return status; | |
938 | } | |
939 | ||
940 | static | |
089717de PP |
941 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
942 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 943 | { |
089717de PP |
944 | enum bt_notification_iterator_status status = |
945 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 946 | |
fed72692 PP |
947 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
948 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
949 | muxer_upstream_notif_iter); | |
950 | ||
089717de PP |
951 | if (muxer_upstream_notif_iter->is_valid || |
952 | !muxer_upstream_notif_iter->notif_iter) { | |
ab11110e PP |
953 | goto end; |
954 | } | |
955 | ||
fed72692 | 956 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
957 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
958 | ||
959 | end: | |
960 | return status; | |
961 | } | |
962 | ||
963 | static | |
964 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
965 | struct muxer_notif_iter *muxer_notif_iter) | |
966 | { | |
967 | enum bt_notification_iterator_status status = | |
968 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
969 | size_t i; | |
970 | ||
fed72692 PP |
971 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
972 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
973 | ||
089717de PP |
974 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
975 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
976 | g_ptr_array_index( | |
977 | muxer_notif_iter->muxer_upstream_notif_iters, | |
978 | i); | |
979 | ||
980 | status = validate_muxer_upstream_notif_iter( | |
981 | muxer_upstream_notif_iter); | |
982 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
fed72692 PP |
983 | if (status < 0) { |
984 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
985 | "muxer-notif-iter-addr=%p, " | |
986 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
987 | muxer_notif_iter, | |
988 | muxer_upstream_notif_iter); | |
989 | } else { | |
990 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
991 | "muxer-notif-iter-addr=%p, " | |
992 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
993 | muxer_notif_iter, | |
994 | muxer_upstream_notif_iter); | |
995 | } | |
996 | ||
089717de PP |
997 | goto end; |
998 | } | |
744ba28b PP |
999 | |
1000 | /* | |
1001 | * Remove this muxer upstream notification iterator | |
1002 | * if it's ended or canceled. | |
1003 | */ | |
1004 | if (!muxer_upstream_notif_iter->notif_iter) { | |
1005 | /* | |
1006 | * Use g_ptr_array_remove_fast() because the | |
1007 | * order of those elements is not important. | |
1008 | */ | |
fed72692 PP |
1009 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
1010 | "muxer-notif-iter-addr=%p, " | |
1011 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1012 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
1013 | g_ptr_array_remove_index_fast( |
1014 | muxer_notif_iter->muxer_upstream_notif_iters, | |
1015 | i); | |
1016 | i--; | |
1017 | } | |
089717de PP |
1018 | } |
1019 | ||
1020 | end: | |
1021 | return status; | |
1022 | } | |
1023 | ||
1024 | static | |
90157d89 | 1025 | struct bt_notification_iterator_next_method_return muxer_notif_iter_do_next( |
089717de PP |
1026 | struct muxer_comp *muxer_comp, |
1027 | struct muxer_notif_iter *muxer_notif_iter) | |
1028 | { | |
1029 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; | |
90157d89 | 1030 | struct bt_notification_iterator_next_method_return next_return = { |
089717de PP |
1031 | .notification = NULL, |
1032 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, | |
1033 | }; | |
1034 | int64_t next_return_ts; | |
1035 | ||
1036 | while (true) { | |
1037 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1038 | muxer_notif_iter); | |
1039 | ||
1040 | if (ret) { | |
fed72692 PP |
1041 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1042 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1043 | "ret=%d", | |
1044 | muxer_comp, muxer_notif_iter, ret); | |
089717de PP |
1045 | next_return.status = |
1046 | BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1047 | goto end; | |
1048 | } | |
1049 | ||
1050 | next_return.status = | |
1051 | validate_muxer_upstream_notif_iters(muxer_notif_iter); | |
1052 | if (next_return.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
3823b499 | 1053 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1054 | goto end; |
1055 | } | |
ab11110e | 1056 | |
958f7d11 | 1057 | /* |
089717de PP |
1058 | * At this point, we know that all the existing upstream |
1059 | * notification iterators are valid. However the | |
1060 | * operations to validate them (during | |
1061 | * validate_muxer_upstream_notif_iters()) may have | |
1062 | * connected new ports. If no ports were connected | |
1063 | * during this operation, exit the loop. | |
958f7d11 | 1064 | */ |
089717de | 1065 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1066 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1067 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1068 | break; |
1069 | } | |
958f7d11 PP |
1070 | } |
1071 | ||
089717de PP |
1072 | assert(!muxer_notif_iter->newly_connected_priv_ports); |
1073 | ||
958f7d11 | 1074 | /* |
089717de PP |
1075 | * At this point we know that all the existing upstream |
1076 | * notification iterators are valid. We can find the one, | |
1077 | * amongst those, of which the current notification is the | |
1078 | * youngest. | |
958f7d11 | 1079 | */ |
089717de | 1080 | next_return.status = |
958f7d11 PP |
1081 | muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
1082 | muxer_notif_iter, &muxer_upstream_notif_iter, | |
089717de PP |
1083 | &next_return_ts); |
1084 | if (next_return.status < 0 || | |
beed0223 MD |
1085 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1086 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
fed72692 PP |
1087 | if (next_return.status < 0) { |
1088 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " | |
1089 | "status=%s", | |
1090 | bt_notification_iterator_status_string(next_return.status)); | |
1091 | } else { | |
1092 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1093 | "status=%s", | |
1094 | bt_notification_iterator_status_string(next_return.status)); | |
1095 | } | |
1096 | ||
958f7d11 PP |
1097 | goto end; |
1098 | } | |
1099 | ||
089717de | 1100 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
fed72692 PP |
1101 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1102 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1103 | "last-returned-ts=%" PRId64, | |
1104 | muxer_notif_iter, next_return_ts, | |
1105 | muxer_notif_iter->last_returned_ts_ns); | |
089717de | 1106 | next_return.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1107 | goto end; |
1108 | } | |
1109 | ||
fed72692 PP |
1110 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1111 | "muxer-notif-iter-addr=%p, " | |
1112 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1113 | "ts=%" PRId64, | |
1114 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
089717de PP |
1115 | assert(next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
1116 | assert(muxer_upstream_notif_iter); | |
1117 | next_return.notification = bt_notification_iterator_get_notification( | |
1118 | muxer_upstream_notif_iter->notif_iter); | |
1119 | assert(next_return.notification); | |
958f7d11 PP |
1120 | |
1121 | /* | |
089717de PP |
1122 | * We invalidate the upstream notification iterator so that, the |
1123 | * next time this function is called, | |
1124 | * validate_muxer_upstream_notif_iters() will make it valid. | |
958f7d11 | 1125 | */ |
089717de PP |
1126 | muxer_upstream_notif_iter->is_valid = false; |
1127 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1128 | |
1129 | end: | |
089717de | 1130 | return next_return; |
958f7d11 PP |
1131 | } |
1132 | ||
1133 | static | |
ab11110e PP |
1134 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1135 | { | |
ab11110e PP |
1136 | if (!muxer_notif_iter) { |
1137 | return; | |
1138 | } | |
1139 | ||
fed72692 PP |
1140 | BT_LOGD("Destroying muxer component's notification iterator: " |
1141 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1142 | ||
ab11110e | 1143 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
fed72692 | 1144 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1145 | g_ptr_array_free( |
1146 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1147 | } | |
1148 | ||
ab11110e PP |
1149 | g_list_free(muxer_notif_iter->newly_connected_priv_ports); |
1150 | g_free(muxer_notif_iter); | |
1151 | } | |
1152 | ||
1153 | static | |
1154 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1155 | struct muxer_notif_iter *muxer_notif_iter) |
1156 | { | |
ab11110e | 1157 | struct bt_component *comp; |
544d0515 PP |
1158 | int64_t count; |
1159 | int64_t i; | |
ab11110e | 1160 | int ret = 0; |
958f7d11 | 1161 | |
ab11110e PP |
1162 | /* |
1163 | * Add the connected input ports to this muxer notification | |
1164 | * iterator's list of newly connected ports. They will be | |
1165 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1166 | */ | |
958f7d11 PP |
1167 | comp = bt_component_from_private_component(muxer_comp->priv_comp); |
1168 | assert(comp); | |
544d0515 PP |
1169 | count = bt_component_filter_get_input_port_count(comp); |
1170 | if (count < 0) { | |
fed72692 PP |
1171 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1172 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1173 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1174 | goto end; |
1175 | } | |
958f7d11 PP |
1176 | |
1177 | for (i = 0; i < count; i++) { | |
1178 | struct bt_private_port *priv_port = | |
9ac68eb1 | 1179 | bt_private_component_filter_get_input_private_port_by_index( |
958f7d11 PP |
1180 | muxer_comp->priv_comp, i); |
1181 | struct bt_port *port; | |
958f7d11 PP |
1182 | |
1183 | assert(priv_port); | |
958f7d11 | 1184 | port = bt_port_from_private_port(priv_port); |
ab11110e | 1185 | assert(port); |
958f7d11 PP |
1186 | |
1187 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1188 | BT_LOGD("Skipping input port: not connected: " |
1189 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1190 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 | 1191 | bt_put(priv_port); |
ab11110e | 1192 | bt_put(port); |
958f7d11 PP |
1193 | continue; |
1194 | } | |
1195 | ||
1196 | bt_put(port); | |
06a2cb0d | 1197 | bt_put(priv_port); |
ab11110e PP |
1198 | muxer_notif_iter->newly_connected_priv_ports = |
1199 | g_list_append( | |
1200 | muxer_notif_iter->newly_connected_priv_ports, | |
958f7d11 | 1201 | priv_port); |
ab11110e | 1202 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1203 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1204 | "port-addr=%p, port-name=\"%s\", " | |
1205 | "muxer-notif-iter-addr=%p", port, | |
1206 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1207 | ret = -1; |
1208 | goto end; | |
958f7d11 | 1209 | } |
fed72692 PP |
1210 | |
1211 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1212 | "port-addr=%p, port-name=\"%s\", " | |
1213 | "muxer-notif-iter-addr=%p", port, | |
1214 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1215 | } |
1216 | ||
1217 | end: | |
1218 | bt_put(comp); | |
1219 | return ret; | |
1220 | } | |
1221 | ||
958f7d11 PP |
1222 | BT_HIDDEN |
1223 | enum bt_notification_iterator_status muxer_notif_iter_init( | |
90157d89 | 1224 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, |
958f7d11 PP |
1225 | struct bt_private_port *output_priv_port) |
1226 | { | |
1227 | struct muxer_comp *muxer_comp = NULL; | |
1228 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
1229 | struct bt_private_component *priv_comp = NULL; | |
1230 | enum bt_notification_iterator_status status = | |
1231 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1232 | int ret; | |
1233 | ||
90157d89 | 1234 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 PP |
1235 | priv_notif_iter); |
1236 | assert(priv_comp); | |
1237 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1238 | assert(muxer_comp); | |
fed72692 PP |
1239 | BT_LOGD("Initializing muxer component's notification iterator: " |
1240 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1241 | priv_comp, muxer_comp, priv_notif_iter); | |
a09c6b95 PP |
1242 | |
1243 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1244 | /* | |
089717de PP |
1245 | * Weird, unhandled situation detected: downstream |
1246 | * creates a muxer notification iterator while creating | |
1247 | * another muxer notification iterator (same component). | |
a09c6b95 | 1248 | */ |
fed72692 PP |
1249 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1250 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1251 | priv_comp, muxer_comp, priv_notif_iter); | |
958f7d11 PP |
1252 | goto error; |
1253 | } | |
1254 | ||
a09c6b95 PP |
1255 | muxer_comp->initializing_muxer_notif_iter = true; |
1256 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1257 | if (!muxer_notif_iter) { | |
fed72692 | 1258 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1259 | goto error; |
1260 | } | |
1261 | ||
958f7d11 PP |
1262 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1263 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1264 | g_ptr_array_new_with_free_func( | |
1265 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1266 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
fed72692 | 1267 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1268 | goto error; |
1269 | } | |
1270 | ||
a09c6b95 PP |
1271 | /* |
1272 | * Add the muxer notification iterator to the component's array | |
1273 | * of muxer notification iterators here because | |
1274 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1275 | * muxer_port_connected() to be called, which adds the newly | |
1276 | * connected port to each muxer notification iterator's list of | |
1277 | * newly connected ports. | |
1278 | */ | |
1279 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1280 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1281 | muxer_notif_iter); | |
1282 | if (ret) { | |
fed72692 PP |
1283 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1284 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1285 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
1286 | priv_comp, muxer_comp, muxer_notif_iter, | |
1287 | priv_notif_iter, ret); | |
a09c6b95 PP |
1288 | goto error; |
1289 | } | |
1290 | ||
90157d89 | 1291 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 PP |
1292 | muxer_notif_iter); |
1293 | assert(ret == 0); | |
fed72692 PP |
1294 | BT_LOGD("Initialized muxer component's notification iterator: " |
1295 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1296 | "notif-iter-addr=%p", | |
1297 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1298 | goto end; |
1299 | ||
1300 | error: | |
a09c6b95 PP |
1301 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1302 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1303 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1304 | muxer_comp->muxer_notif_iters->len - 1); | |
1305 | } | |
1306 | ||
958f7d11 | 1307 | destroy_muxer_notif_iter(muxer_notif_iter); |
90157d89 | 1308 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 PP |
1309 | NULL); |
1310 | assert(ret == 0); | |
1311 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1312 | ||
1313 | end: | |
a09c6b95 | 1314 | muxer_comp->initializing_muxer_notif_iter = false; |
958f7d11 PP |
1315 | bt_put(priv_comp); |
1316 | return status; | |
1317 | } | |
1318 | ||
1319 | BT_HIDDEN | |
1320 | void muxer_notif_iter_finalize( | |
90157d89 | 1321 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) |
958f7d11 PP |
1322 | { |
1323 | struct muxer_notif_iter *muxer_notif_iter = | |
90157d89 | 1324 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1325 | struct bt_private_component *priv_comp = NULL; |
1326 | struct muxer_comp *muxer_comp = NULL; | |
1327 | ||
90157d89 | 1328 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 PP |
1329 | priv_notif_iter); |
1330 | assert(priv_comp); | |
1331 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
fed72692 PP |
1332 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1333 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1334 | "notif-iter-addr=%p", | |
1335 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1336 | |
1337 | if (muxer_comp) { | |
1338 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1339 | muxer_notif_iter); | |
1340 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1341 | } | |
1342 | ||
1343 | bt_put(priv_comp); | |
1344 | } | |
1345 | ||
1346 | BT_HIDDEN | |
90157d89 PP |
1347 | struct bt_notification_iterator_next_method_return muxer_notif_iter_next( |
1348 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) | |
958f7d11 | 1349 | { |
90157d89 | 1350 | struct bt_notification_iterator_next_method_return next_ret; |
958f7d11 | 1351 | struct muxer_notif_iter *muxer_notif_iter = |
90157d89 | 1352 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1353 | struct bt_private_component *priv_comp = NULL; |
1354 | struct muxer_comp *muxer_comp = NULL; | |
958f7d11 PP |
1355 | |
1356 | assert(muxer_notif_iter); | |
90157d89 | 1357 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 PP |
1358 | priv_notif_iter); |
1359 | assert(priv_comp); | |
1360 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1361 | assert(muxer_comp); | |
1362 | ||
fed72692 PP |
1363 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1364 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1365 | "notif-iter-addr=%p", | |
1366 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
1367 | ||
958f7d11 PP |
1368 | /* Are we in an error state set elsewhere? */ |
1369 | if (unlikely(muxer_comp->error)) { | |
fed72692 PP |
1370 | BT_LOGE("Muxer component is already in an error state: returning BT_NOTIFICATION_ITERATOR_STATUS_ERROR: " |
1371 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1372 | "notif-iter-addr=%p", | |
1373 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
089717de PP |
1374 | next_ret.notification = NULL; |
1375 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1376 | goto end; | |
958f7d11 PP |
1377 | } |
1378 | ||
089717de | 1379 | next_ret = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter); |
fed72692 PP |
1380 | if (next_ret.status < 0) { |
1381 | BT_LOGE("Cannot get next notification: " | |
1382 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1383 | "notif-iter-addr=%p, status=%s", | |
1384 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter, | |
1385 | bt_notification_iterator_status_string(next_ret.status)); | |
1386 | } else { | |
1387 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
1388 | "status=%s, notif-addr=%p", | |
1389 | bt_notification_iterator_status_string(next_ret.status), | |
1390 | next_ret.notification); | |
1391 | } | |
958f7d11 PP |
1392 | |
1393 | end: | |
1394 | bt_put(priv_comp); | |
1395 | return next_ret; | |
1396 | } | |
1397 | ||
1398 | BT_HIDDEN | |
1399 | void muxer_port_connected( | |
1400 | struct bt_private_component *priv_comp, | |
1401 | struct bt_private_port *self_private_port, | |
1402 | struct bt_port *other_port) | |
1403 | { | |
1404 | struct bt_port *self_port = | |
1405 | bt_port_from_private_port(self_private_port); | |
1406 | struct muxer_comp *muxer_comp = | |
1407 | bt_private_component_get_user_data(priv_comp); | |
1408 | size_t i; | |
06a2cb0d | 1409 | int ret; |
958f7d11 PP |
1410 | |
1411 | assert(self_port); | |
1412 | assert(muxer_comp); | |
fed72692 PP |
1413 | BT_LOGD("Port connected: " |
1414 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1415 | "port-addr=%p, port-name=\"%s\", " | |
1416 | "other-port-addr=%p, other-port-name=\"%s\"", | |
1417 | priv_comp, muxer_comp, self_port, bt_port_get_name(self_port), | |
1418 | other_port, bt_port_get_name(other_port)); | |
958f7d11 | 1419 | |
06a2cb0d PP |
1420 | if (bt_port_get_type(self_port) == BT_PORT_TYPE_OUTPUT) { |
1421 | goto end; | |
958f7d11 PP |
1422 | } |
1423 | ||
1424 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1425 | struct muxer_notif_iter *muxer_notif_iter = | |
1426 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1427 | ||
1428 | /* | |
ab11110e PP |
1429 | * Add this port to the list of newly connected ports |
1430 | * for this muxer notification iterator. We append at | |
1431 | * the end of this list while | |
1432 | * muxer_notif_iter_handle_newly_connected_ports() | |
1433 | * removes the nodes from the beginning. | |
958f7d11 | 1434 | */ |
ab11110e PP |
1435 | muxer_notif_iter->newly_connected_priv_ports = |
1436 | g_list_append( | |
1437 | muxer_notif_iter->newly_connected_priv_ports, | |
06a2cb0d | 1438 | self_private_port); |
ab11110e | 1439 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1440 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1441 | "port-addr=%p, port-name=\"%s\", " | |
1442 | "muxer-notif-iter-addr=%p", self_port, | |
1443 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1444 | muxer_comp->error = true; |
1445 | goto end; | |
1446 | } | |
fed72692 PP |
1447 | |
1448 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1449 | "port-addr=%p, port-name=\"%s\", " | |
1450 | "muxer-notif-iter-addr=%p", self_port, | |
1451 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1452 | } |
1453 | ||
06a2cb0d PP |
1454 | /* One less available input port */ |
1455 | muxer_comp->available_input_ports--; | |
1456 | ret = ensure_available_input_port(priv_comp); | |
1457 | if (ret) { | |
1458 | /* | |
1459 | * Only way to report an error later since this | |
1460 | * method does not return anything. | |
1461 | */ | |
fed72692 PP |
1462 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1463 | "muxer-comp-addr=%p, status=%s", | |
1464 | muxer_comp, bt_component_status_string(ret)); | |
06a2cb0d PP |
1465 | muxer_comp->error = true; |
1466 | goto end; | |
1467 | } | |
1468 | ||
958f7d11 PP |
1469 | end: |
1470 | bt_put(self_port); | |
1471 | } | |
1472 | ||
1473 | BT_HIDDEN | |
1474 | void muxer_port_disconnected(struct bt_private_component *priv_comp, | |
1475 | struct bt_private_port *priv_port) | |
1476 | { | |
1477 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
1478 | struct muxer_comp *muxer_comp = | |
1479 | bt_private_component_get_user_data(priv_comp); | |
1480 | ||
1481 | assert(port); | |
1482 | assert(muxer_comp); | |
fed72692 PP |
1483 | BT_LOGD("Port disconnected: " |
1484 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1485 | "port-name=\"%s\"", priv_comp, muxer_comp, | |
1486 | port, bt_port_get_name(port)); | |
958f7d11 | 1487 | |
ab11110e PP |
1488 | /* |
1489 | * There's nothing special to do when a port is disconnected | |
1490 | * because this component deals with upstream notification | |
1491 | * iterators which were already created thanks to connected | |
1492 | * ports. The fact that the port is disconnected does not cancel | |
1493 | * the upstream notification iterators created using its | |
089717de PP |
1494 | * connection: they still exist, even if the connection is dead. |
1495 | * The only way to remove an upstream notification iterator is | |
1496 | * for its "next" operation to return | |
1497 | * BT_NOTIFICATION_ITERATOR_STATUS_END. | |
ab11110e | 1498 | */ |
958f7d11 PP |
1499 | if (bt_port_get_type(port) == BT_PORT_TYPE_INPUT) { |
1500 | /* One more available input port */ | |
1501 | muxer_comp->available_input_ports++; | |
fed72692 PP |
1502 | BT_LOGD("Leaving disconnected input port available for future connections: " |
1503 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1504 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1505 | priv_comp, muxer_comp, port, bt_port_get_name(port), | |
1506 | muxer_comp->available_input_ports); | |
958f7d11 PP |
1507 | } |
1508 | ||
1509 | bt_put(port); | |
1510 | } |