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 | ||
fed72692 PP |
23 | #define BT_LOG_TAG "PLUGIN-UTILS-MUXER-FLT" |
24 | #include "logging.h" | |
25 | ||
958f7d11 | 26 | #include <babeltrace/babeltrace-internal.h> |
282c8cd0 | 27 | #include <babeltrace/compat/uuid-internal.h> |
958f7d11 PP |
28 | #include <babeltrace/ctf-ir/clock-class.h> |
29 | #include <babeltrace/ctf-ir/event.h> | |
30 | #include <babeltrace/graph/clock-class-priority-map.h> | |
31 | #include <babeltrace/graph/component-filter.h> | |
32 | #include <babeltrace/graph/component.h> | |
fed72692 | 33 | #include <babeltrace/graph/component-internal.h> |
958f7d11 PP |
34 | #include <babeltrace/graph/notification-event.h> |
35 | #include <babeltrace/graph/notification-inactivity.h> | |
36 | #include <babeltrace/graph/notification-iterator.h> | |
fed72692 | 37 | #include <babeltrace/graph/notification-iterator-internal.h> |
958f7d11 PP |
38 | #include <babeltrace/graph/notification.h> |
39 | #include <babeltrace/graph/port.h> | |
40 | #include <babeltrace/graph/private-component-filter.h> | |
41 | #include <babeltrace/graph/private-component.h> | |
42 | #include <babeltrace/graph/private-component.h> | |
43 | #include <babeltrace/graph/private-connection.h> | |
90157d89 | 44 | #include <babeltrace/graph/private-connection-private-notification-iterator.h> |
958f7d11 | 45 | #include <babeltrace/graph/private-port.h> |
73d5c1ad | 46 | #include <babeltrace/graph/connection.h> |
fed72692 PP |
47 | #include <babeltrace/graph/connection-internal.h> |
48 | #include <babeltrace/values-internal.h> | |
958f7d11 PP |
49 | #include <plugins-common.h> |
50 | #include <glib.h> | |
c55a9f58 | 51 | #include <stdbool.h> |
fed72692 | 52 | #include <inttypes.h> |
958f7d11 | 53 | #include <assert.h> |
0fbb9a9f | 54 | #include <stdlib.h> |
282c8cd0 | 55 | #include <string.h> |
958f7d11 | 56 | |
c3acd5f3 | 57 | #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes" |
65ee897d | 58 | |
958f7d11 | 59 | struct muxer_comp { |
90157d89 PP |
60 | /* |
61 | * Array of struct | |
62 | * bt_private_connection_private_notification_iterator * | |
63 | * (weak refs) | |
64 | */ | |
958f7d11 PP |
65 | GPtrArray *muxer_notif_iters; |
66 | ||
67 | /* Weak ref */ | |
68 | struct bt_private_component *priv_comp; | |
69 | unsigned int next_port_num; | |
70 | size_t available_input_ports; | |
71 | bool error; | |
a09c6b95 | 72 | bool initializing_muxer_notif_iter; |
282c8cd0 | 73 | bool assume_absolute_clock_classes; |
958f7d11 PP |
74 | }; |
75 | ||
76 | struct muxer_upstream_notif_iter { | |
ab11110e | 77 | /* Owned by this, NULL if ended */ |
958f7d11 PP |
78 | struct bt_notification_iterator *notif_iter; |
79 | ||
089717de PP |
80 | /* |
81 | * This flag is true if the upstream notification iterator's | |
82 | * current notification must be considered for the multiplexing | |
83 | * operations. If the upstream iterator returns | |
84 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN, then this object | |
85 | * is considered invalid, because its current notification is | |
86 | * still the previous one, but we already took it into account. | |
87 | * | |
88 | * The value of this flag is not important if notif_iter above | |
89 | * is NULL (which means the upstream iterator is finished). | |
90 | */ | |
91 | bool is_valid; | |
958f7d11 PP |
92 | }; |
93 | ||
282c8cd0 PP |
94 | enum muxer_notif_iter_clock_class_expectation { |
95 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
96 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
97 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
98 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
99 | }; | |
100 | ||
958f7d11 | 101 | struct muxer_notif_iter { |
ab11110e PP |
102 | /* |
103 | * Array of struct muxer_upstream_notif_iter * (owned by this). | |
104 | * | |
105 | * NOTE: This array is searched in linearly to find the youngest | |
106 | * current notification. Keep this until benchmarks confirm that | |
107 | * another data structure is faster than this for our typical | |
108 | * use cases. | |
109 | */ | |
958f7d11 PP |
110 | GPtrArray *muxer_upstream_notif_iters; |
111 | ||
ab11110e | 112 | /* |
06a2cb0d | 113 | * List of "recently" connected input ports (weak) to |
ab11110e PP |
114 | * handle by this muxer notification iterator. |
115 | * muxer_port_connected() adds entries to this list, and the | |
116 | * entries are removed when a notification iterator is created | |
117 | * on the port's connection and put into | |
118 | * muxer_upstream_notif_iters above by | |
119 | * muxer_notif_iter_handle_newly_connected_ports(). | |
120 | */ | |
121 | GList *newly_connected_priv_ports; | |
958f7d11 PP |
122 | |
123 | /* Next thing to return by the "next" method */ | |
90157d89 | 124 | struct bt_notification_iterator_next_method_return next_next_return; |
958f7d11 PP |
125 | |
126 | /* Last time returned in a notification */ | |
127 | int64_t last_returned_ts_ns; | |
282c8cd0 PP |
128 | |
129 | /* Clock class expectation state */ | |
130 | enum muxer_notif_iter_clock_class_expectation clock_class_expectation; | |
131 | ||
132 | /* | |
133 | * Expected clock class UUID, only valid when | |
134 | * clock_class_expectation is | |
135 | * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. | |
136 | */ | |
137 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
138 | }; |
139 | ||
ab11110e PP |
140 | static |
141 | void destroy_muxer_upstream_notif_iter( | |
142 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
143 | { | |
144 | if (!muxer_upstream_notif_iter) { | |
145 | return; | |
146 | } | |
147 | ||
fed72692 PP |
148 | BT_LOGD("Destroying muxer's upstream notification iterator wrapper: " |
149 | "addr=%p, notif-iter-addr=%p, is-valid=%d", | |
150 | muxer_upstream_notif_iter, | |
151 | muxer_upstream_notif_iter->notif_iter, | |
152 | muxer_upstream_notif_iter->is_valid); | |
ab11110e | 153 | bt_put(muxer_upstream_notif_iter->notif_iter); |
ab11110e PP |
154 | g_free(muxer_upstream_notif_iter); |
155 | } | |
156 | ||
958f7d11 PP |
157 | static |
158 | struct muxer_upstream_notif_iter *muxer_notif_iter_add_upstream_notif_iter( | |
159 | struct muxer_notif_iter *muxer_notif_iter, | |
160 | struct bt_notification_iterator *notif_iter, | |
161 | struct bt_private_port *priv_port) | |
162 | { | |
163 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
164 | g_new0(struct muxer_upstream_notif_iter, 1); | |
165 | ||
166 | if (!muxer_upstream_notif_iter) { | |
fed72692 | 167 | BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper."); |
958f7d11 PP |
168 | goto end; |
169 | } | |
170 | ||
171 | muxer_upstream_notif_iter->notif_iter = bt_get(notif_iter); | |
089717de | 172 | muxer_upstream_notif_iter->is_valid = false; |
958f7d11 PP |
173 | g_ptr_array_add(muxer_notif_iter->muxer_upstream_notif_iters, |
174 | muxer_upstream_notif_iter); | |
fed72692 PP |
175 | BT_LOGD("Added muxer's upstream notification iterator wrapper: " |
176 | "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p", | |
177 | muxer_upstream_notif_iter, muxer_notif_iter, | |
178 | notif_iter); | |
958f7d11 PP |
179 | |
180 | end: | |
181 | return muxer_upstream_notif_iter; | |
182 | } | |
183 | ||
958f7d11 | 184 | static |
147337a3 PP |
185 | enum bt_component_status ensure_available_input_port( |
186 | struct bt_private_component *priv_comp) | |
958f7d11 PP |
187 | { |
188 | struct muxer_comp *muxer_comp = | |
189 | bt_private_component_get_user_data(priv_comp); | |
147337a3 | 190 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
958f7d11 | 191 | GString *port_name = NULL; |
958f7d11 PP |
192 | |
193 | assert(muxer_comp); | |
194 | ||
195 | if (muxer_comp->available_input_ports >= 1) { | |
196 | goto end; | |
197 | } | |
198 | ||
199 | port_name = g_string_new("in"); | |
200 | if (!port_name) { | |
fed72692 | 201 | BT_LOGE_STR("Failed to allocate a GString."); |
147337a3 | 202 | status = BT_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
203 | goto end; |
204 | } | |
205 | ||
206 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
147337a3 PP |
207 | status = bt_private_component_filter_add_input_private_port( |
208 | priv_comp, port_name->str, NULL, NULL); | |
209 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
210 | BT_LOGE("Cannot add input port to muxer component: " |
211 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
212 | port_name->str, priv_comp, | |
213 | bt_component_status_string(status)); | |
958f7d11 PP |
214 | goto end; |
215 | } | |
216 | ||
217 | muxer_comp->available_input_ports++; | |
218 | muxer_comp->next_port_num++; | |
fed72692 PP |
219 | BT_LOGD("Added one input port to muxer component: " |
220 | "port-name=\"%s\", comp-addr=%p", | |
221 | port_name->str, priv_comp); | |
958f7d11 PP |
222 | end: |
223 | if (port_name) { | |
224 | g_string_free(port_name, TRUE); | |
225 | } | |
226 | ||
147337a3 | 227 | return status; |
958f7d11 PP |
228 | } |
229 | ||
958f7d11 | 230 | static |
147337a3 PP |
231 | enum bt_component_status create_output_port( |
232 | struct bt_private_component *priv_comp) | |
958f7d11 | 233 | { |
147337a3 PP |
234 | return bt_private_component_filter_add_output_private_port( |
235 | priv_comp, "out", NULL, NULL); | |
958f7d11 PP |
236 | } |
237 | ||
238 | static | |
239 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
240 | { | |
241 | if (!muxer_comp) { | |
242 | return; | |
243 | } | |
244 | ||
fed72692 PP |
245 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
246 | "muxer-notif-iter-count=%u", muxer_comp, | |
af18c5e7 JG |
247 | muxer_comp->muxer_notif_iters ? |
248 | muxer_comp->muxer_notif_iters->len : 0); | |
fed72692 | 249 | |
958f7d11 PP |
250 | if (muxer_comp->muxer_notif_iters) { |
251 | g_ptr_array_free(muxer_comp->muxer_notif_iters, TRUE); | |
252 | } | |
253 | ||
254 | g_free(muxer_comp); | |
255 | } | |
256 | ||
65ee897d PP |
257 | static |
258 | struct bt_value *get_default_params(void) | |
259 | { | |
260 | struct bt_value *params; | |
261 | int ret; | |
262 | ||
263 | params = bt_value_map_create(); | |
264 | if (!params) { | |
fed72692 | 265 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
266 | goto error; |
267 | } | |
268 | ||
c3acd5f3 JG |
269 | ret = bt_value_map_insert_bool(params, |
270 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); | |
65ee897d | 271 | if (ret) { |
fed72692 | 272 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
273 | goto error; |
274 | } | |
275 | ||
276 | goto end; | |
277 | ||
278 | error: | |
279 | BT_PUT(params); | |
280 | ||
281 | end: | |
282 | return params; | |
283 | } | |
284 | ||
285 | static | |
286 | int configure_muxer_comp(struct muxer_comp *muxer_comp, struct bt_value *params) | |
287 | { | |
288 | struct bt_value *default_params = NULL; | |
289 | struct bt_value *real_params = NULL; | |
282c8cd0 | 290 | struct bt_value *assume_absolute_clock_classes = NULL; |
65ee897d | 291 | int ret = 0; |
c55a9f58 | 292 | bt_bool bool_val; |
65ee897d PP |
293 | |
294 | default_params = get_default_params(); | |
295 | if (!default_params) { | |
fed72692 PP |
296 | BT_LOGE("Cannot get default parameters: " |
297 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
298 | goto error; |
299 | } | |
300 | ||
301 | real_params = bt_value_map_extend(default_params, params); | |
302 | if (!real_params) { | |
fed72692 PP |
303 | BT_LOGE("Cannot extend default parameters map value: " |
304 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
305 | "params-addr=%p", muxer_comp, default_params, | |
306 | params); | |
65ee897d PP |
307 | goto error; |
308 | } | |
309 | ||
282c8cd0 | 310 | assume_absolute_clock_classes = bt_value_map_get(real_params, |
c3acd5f3 | 311 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); |
282c8cd0 | 312 | if (!bt_value_is_bool(assume_absolute_clock_classes)) { |
fed72692 PP |
313 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
314 | "muxer-comp-addr=%p, value-type=%s", | |
315 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
316 | bt_value_type_string( | |
317 | bt_value_get_type(assume_absolute_clock_classes))); | |
65ee897d PP |
318 | goto error; |
319 | } | |
320 | ||
fed72692 PP |
321 | ret = bt_value_bool_get(assume_absolute_clock_classes, &bool_val); |
322 | assert(ret == 0); | |
282c8cd0 | 323 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
fed72692 PP |
324 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
325 | "assume-absolute-clock-classes=%d", | |
326 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
327 | goto end; |
328 | ||
329 | error: | |
330 | ret = -1; | |
331 | ||
332 | end: | |
333 | bt_put(default_params); | |
334 | bt_put(real_params); | |
282c8cd0 | 335 | bt_put(assume_absolute_clock_classes); |
65ee897d PP |
336 | return ret; |
337 | } | |
338 | ||
958f7d11 PP |
339 | BT_HIDDEN |
340 | enum bt_component_status muxer_init( | |
341 | struct bt_private_component *priv_comp, | |
342 | struct bt_value *params, void *init_data) | |
343 | { | |
344 | int ret; | |
345 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; | |
346 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); | |
347 | ||
fed72692 PP |
348 | BT_LOGD("Initializing muxer component: " |
349 | "comp-addr=%p, params-addr=%p", priv_comp, params); | |
350 | ||
958f7d11 | 351 | if (!muxer_comp) { |
fed72692 | 352 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
353 | goto error; |
354 | } | |
355 | ||
65ee897d PP |
356 | ret = configure_muxer_comp(muxer_comp, params); |
357 | if (ret) { | |
fed72692 PP |
358 | BT_LOGE("Cannot configure muxer component: " |
359 | "muxer-comp-addr=%p, params-addr=%p", | |
360 | muxer_comp, params); | |
65ee897d PP |
361 | goto error; |
362 | } | |
363 | ||
958f7d11 PP |
364 | muxer_comp->muxer_notif_iters = g_ptr_array_new(); |
365 | if (!muxer_comp->muxer_notif_iters) { | |
fed72692 | 366 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
367 | goto error; |
368 | } | |
369 | ||
370 | muxer_comp->priv_comp = priv_comp; | |
371 | ret = bt_private_component_set_user_data(priv_comp, muxer_comp); | |
372 | assert(ret == 0); | |
147337a3 PP |
373 | status = ensure_available_input_port(priv_comp); |
374 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
375 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
376 | "muxer-comp-addr=%p, status=%s", | |
377 | muxer_comp, | |
378 | bt_component_status_string(status)); | |
958f7d11 PP |
379 | goto error; |
380 | } | |
381 | ||
fed72692 PP |
382 | status = create_output_port(priv_comp); |
383 | if (status) { | |
384 | BT_LOGE("Cannot create muxer component's output port: " | |
385 | "muxer-comp-addr=%p, status=%s", | |
386 | muxer_comp, | |
387 | bt_component_status_string(status)); | |
958f7d11 PP |
388 | goto error; |
389 | } | |
390 | ||
fed72692 PP |
391 | BT_LOGD("Initialized muxer component: " |
392 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
393 | priv_comp, params, muxer_comp); | |
394 | ||
958f7d11 PP |
395 | goto end; |
396 | ||
397 | error: | |
398 | destroy_muxer_comp(muxer_comp); | |
399 | ret = bt_private_component_set_user_data(priv_comp, NULL); | |
400 | assert(ret == 0); | |
147337a3 PP |
401 | |
402 | if (status == BT_COMPONENT_STATUS_OK) { | |
403 | status = BT_COMPONENT_STATUS_ERROR; | |
404 | } | |
958f7d11 PP |
405 | |
406 | end: | |
407 | return status; | |
408 | } | |
409 | ||
410 | BT_HIDDEN | |
411 | void muxer_finalize(struct bt_private_component *priv_comp) | |
412 | { | |
413 | struct muxer_comp *muxer_comp = | |
414 | bt_private_component_get_user_data(priv_comp); | |
415 | ||
fed72692 PP |
416 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
417 | priv_comp); | |
958f7d11 PP |
418 | destroy_muxer_comp(muxer_comp); |
419 | } | |
420 | ||
421 | static | |
422 | struct bt_notification_iterator *create_notif_iter_on_input_port( | |
423 | struct bt_private_port *priv_port, int *ret) | |
424 | { | |
425 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
426 | struct bt_notification_iterator *notif_iter = NULL; | |
427 | struct bt_private_connection *priv_conn = NULL; | |
73d5c1ad | 428 | enum bt_connection_status conn_status; |
958f7d11 PP |
429 | |
430 | assert(ret); | |
431 | *ret = 0; | |
432 | assert(port); | |
958f7d11 PP |
433 | assert(bt_port_is_connected(port)); |
434 | priv_conn = bt_private_port_get_private_connection(priv_port); | |
fed72692 | 435 | assert(priv_conn); |
958f7d11 | 436 | |
ab11110e PP |
437 | // TODO: Advance the iterator to >= the time of the latest |
438 | // returned notification by the muxer notification | |
439 | // iterator which creates it. | |
73d5c1ad PP |
440 | conn_status = bt_private_connection_create_notification_iterator( |
441 | priv_conn, NULL, ¬if_iter); | |
442 | if (conn_status != BT_CONNECTION_STATUS_OK) { | |
fed72692 PP |
443 | BT_LOGE("Cannot create upstream notification iterator on input port's connection: " |
444 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
445 | "status=%s", | |
446 | port, bt_port_get_name(port), priv_conn, | |
447 | bt_connection_status_string(conn_status)); | |
958f7d11 PP |
448 | *ret = -1; |
449 | goto end; | |
450 | } | |
451 | ||
fed72692 PP |
452 | BT_LOGD("Created upstream notification iterator on input port's connection: " |
453 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
454 | "notif-iter-addr=%p", | |
455 | port, bt_port_get_name(port), priv_conn, notif_iter); | |
456 | ||
958f7d11 PP |
457 | end: |
458 | bt_put(port); | |
459 | bt_put(priv_conn); | |
460 | return notif_iter; | |
461 | } | |
462 | ||
ab11110e | 463 | static |
089717de | 464 | enum bt_notification_iterator_status muxer_upstream_notif_iter_next( |
ab11110e PP |
465 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) |
466 | { | |
089717de | 467 | enum bt_notification_iterator_status status; |
ab11110e | 468 | |
fed72692 PP |
469 | BT_LOGV("Calling upstream notification iterator's \"next\" method: " |
470 | "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p", | |
471 | muxer_upstream_notif_iter, | |
472 | muxer_upstream_notif_iter->notif_iter); | |
089717de | 473 | status = bt_notification_iterator_next( |
ab11110e | 474 | muxer_upstream_notif_iter->notif_iter); |
fed72692 PP |
475 | BT_LOGV("Upstream notification iterator's \"next\" method returned: " |
476 | "status=%s", bt_notification_iterator_status_string(status)); | |
ab11110e | 477 | |
089717de | 478 | switch (status) { |
ab11110e | 479 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
089717de PP |
480 | /* |
481 | * Notification iterator's current notification is valid: | |
482 | * it must be considered for muxing operations. | |
483 | */ | |
fed72692 | 484 | BT_LOGV_STR("Validated upstream notification iterator wrapper."); |
089717de | 485 | muxer_upstream_notif_iter->is_valid = true; |
ab11110e PP |
486 | break; |
487 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
089717de PP |
488 | /* |
489 | * Notification iterator's current notification is not | |
490 | * valid anymore. Return | |
491 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN | |
492 | * immediately. | |
493 | */ | |
fed72692 | 494 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_AGAIN."); |
089717de | 495 | muxer_upstream_notif_iter->is_valid = false; |
ab11110e | 496 | break; |
beed0223 MD |
497 | case BT_NOTIFICATION_ITERATOR_STATUS_END: /* Fall-through. */ |
498 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
ab11110e PP |
499 | /* |
500 | * Notification iterator reached the end: release it. It | |
501 | * won't be considered again to find the youngest | |
502 | * notification. | |
503 | */ | |
fed72692 | 504 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_END or BT_NOTIFICATION_ITERATOR_STATUS_CANCELED."); |
ab11110e | 505 | BT_PUT(muxer_upstream_notif_iter->notif_iter); |
089717de PP |
506 | muxer_upstream_notif_iter->is_valid = false; |
507 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
508 | break; | |
ab11110e PP |
509 | default: |
510 | /* Error or unsupported status code */ | |
fed72692 PP |
511 | BT_LOGE("Error or unsupported status code: " |
512 | "status-code=%d", status); | |
089717de PP |
513 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
514 | break; | |
ab11110e PP |
515 | } |
516 | ||
089717de | 517 | return status; |
ab11110e PP |
518 | } |
519 | ||
520 | static | |
089717de | 521 | int muxer_notif_iter_handle_newly_connected_ports( |
ab11110e PP |
522 | struct muxer_notif_iter *muxer_notif_iter) |
523 | { | |
ab11110e PP |
524 | int ret = 0; |
525 | ||
fed72692 PP |
526 | BT_LOGV("Handling newly connected ports: " |
527 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
528 | ||
ab11110e PP |
529 | /* |
530 | * Here we create one upstream notification iterator for each | |
089717de PP |
531 | * newly connected port. We do not perform an initial "next" on |
532 | * those new upstream notification iterators: they are | |
533 | * invalidated, to be validated later. The list of newly | |
534 | * connected ports to handle here is updated by | |
535 | * muxer_port_connected(). | |
ab11110e PP |
536 | */ |
537 | while (true) { | |
538 | GList *node = muxer_notif_iter->newly_connected_priv_ports; | |
539 | struct bt_private_port *priv_port; | |
540 | struct bt_port *port; | |
541 | struct bt_notification_iterator *upstream_notif_iter = NULL; | |
542 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; | |
543 | ||
544 | if (!node) { | |
545 | break; | |
546 | } | |
547 | ||
548 | priv_port = node->data; | |
549 | port = bt_port_from_private_port(priv_port); | |
550 | assert(port); | |
551 | ||
552 | if (!bt_port_is_connected(port)) { | |
553 | /* | |
554 | * Looks like this port is not connected | |
555 | * anymore: we can't create an upstream | |
089717de PP |
556 | * notification iterator on its (non-existing) |
557 | * connection in this case. | |
ab11110e PP |
558 | */ |
559 | goto remove_node; | |
560 | } | |
561 | ||
562 | BT_PUT(port); | |
563 | upstream_notif_iter = create_notif_iter_on_input_port(priv_port, | |
564 | &ret); | |
565 | if (ret) { | |
fed72692 | 566 | /* create_notif_iter_on_input_port() logs errors */ |
ab11110e | 567 | assert(!upstream_notif_iter); |
ab11110e PP |
568 | goto error; |
569 | } | |
570 | ||
571 | muxer_upstream_notif_iter = | |
572 | muxer_notif_iter_add_upstream_notif_iter( | |
573 | muxer_notif_iter, upstream_notif_iter, | |
574 | priv_port); | |
ab11110e PP |
575 | BT_PUT(upstream_notif_iter); |
576 | if (!muxer_upstream_notif_iter) { | |
fed72692 PP |
577 | /* |
578 | * muxer_notif_iter_add_upstream_notif_iter() | |
579 | * logs errors. | |
580 | */ | |
ab11110e PP |
581 | goto error; |
582 | } | |
583 | ||
ab11110e PP |
584 | remove_node: |
585 | bt_put(upstream_notif_iter); | |
586 | bt_put(port); | |
ab11110e PP |
587 | muxer_notif_iter->newly_connected_priv_ports = |
588 | g_list_delete_link( | |
589 | muxer_notif_iter->newly_connected_priv_ports, | |
590 | node); | |
591 | } | |
592 | ||
593 | goto end; | |
594 | ||
595 | error: | |
089717de | 596 | if (ret >= 0) { |
ab11110e PP |
597 | ret = -1; |
598 | } | |
599 | ||
600 | end: | |
ab11110e PP |
601 | return ret; |
602 | } | |
603 | ||
958f7d11 PP |
604 | static |
605 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 606 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
607 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
608 | int64_t *ts_ns) | |
609 | { | |
610 | struct bt_clock_class_priority_map *cc_prio_map = NULL; | |
611 | struct bt_ctf_clock_class *clock_class = NULL; | |
612 | struct bt_ctf_clock_value *clock_value = NULL; | |
613 | struct bt_ctf_event *event = NULL; | |
614 | int ret = 0; | |
282c8cd0 | 615 | const unsigned char *cc_uuid; |
fed72692 | 616 | const char *cc_name; |
958f7d11 PP |
617 | |
618 | assert(notif); | |
619 | assert(ts_ns); | |
620 | ||
fed72692 PP |
621 | BT_LOGV("Getting notification's timestamp: " |
622 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
623 | "last-returned-ts=%" PRId64, | |
624 | muxer_notif_iter, notif, last_returned_ts_ns); | |
625 | ||
958f7d11 PP |
626 | switch (bt_notification_get_type(notif)) { |
627 | case BT_NOTIFICATION_TYPE_EVENT: | |
628 | cc_prio_map = | |
629 | bt_notification_event_get_clock_class_priority_map( | |
630 | notif); | |
631 | break; | |
632 | ||
633 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
634 | cc_prio_map = | |
a09c6b95 | 635 | bt_notification_inactivity_get_clock_class_priority_map( |
958f7d11 PP |
636 | notif); |
637 | break; | |
638 | default: | |
089717de | 639 | /* All the other notifications have a higher priority */ |
fed72692 | 640 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
641 | *ts_ns = last_returned_ts_ns; |
642 | goto end; | |
643 | } | |
644 | ||
645 | if (!cc_prio_map) { | |
fed72692 PP |
646 | BT_LOGE("Cannot get notification's clock class priority map: " |
647 | "notif-addr=%p", notif); | |
958f7d11 PP |
648 | goto error; |
649 | } | |
650 | ||
651 | /* | |
652 | * If the clock class priority map is empty, then we consider | |
653 | * that this notification has no time. In this case it's always | |
654 | * the youngest. | |
655 | */ | |
656 | if (bt_clock_class_priority_map_get_clock_class_count(cc_prio_map) == 0) { | |
fed72692 PP |
657 | BT_LOGV_STR("Notification's clock class priorty map contains 0 clock classes: " |
658 | "using the last returned timestamp."); | |
958f7d11 PP |
659 | *ts_ns = last_returned_ts_ns; |
660 | goto end; | |
661 | } | |
662 | ||
663 | clock_class = | |
664 | bt_clock_class_priority_map_get_highest_priority_clock_class( | |
665 | cc_prio_map); | |
666 | if (!clock_class) { | |
fed72692 PP |
667 | BT_LOGE("Cannot get the clock class with the highest priority from clock class priority map: " |
668 | "cc-prio-map-addr=%p", cc_prio_map); | |
958f7d11 PP |
669 | goto error; |
670 | } | |
671 | ||
282c8cd0 | 672 | cc_uuid = bt_ctf_clock_class_get_uuid(clock_class); |
fed72692 | 673 | cc_name = bt_ctf_clock_class_get_name(clock_class); |
282c8cd0 PP |
674 | |
675 | if (muxer_notif_iter->clock_class_expectation == | |
676 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
677 | /* | |
678 | * This is the first clock class that this muxer | |
679 | * notification iterator encounters. Its properties | |
680 | * determine what to expect for the whole lifetime of | |
681 | * the iterator without a true | |
682 | * `assume-absolute-clock-classes` parameter. | |
683 | */ | |
684 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
685 | /* Expect absolute clock classes */ | |
686 | muxer_notif_iter->clock_class_expectation = | |
687 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
688 | } else { | |
689 | if (cc_uuid) { | |
690 | /* | |
691 | * Expect non-absolute clock classes | |
692 | * with a specific UUID. | |
693 | */ | |
694 | muxer_notif_iter->clock_class_expectation = | |
695 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
696 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
697 | cc_uuid, BABELTRACE_UUID_LEN); | |
698 | } else { | |
699 | /* | |
700 | * Expect non-absolute clock classes | |
701 | * with no UUID. | |
702 | */ | |
703 | muxer_notif_iter->clock_class_expectation = | |
704 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
705 | } | |
706 | } | |
707 | } | |
708 | ||
709 | if (!muxer_comp->assume_absolute_clock_classes) { | |
710 | switch (muxer_notif_iter->clock_class_expectation) { | |
711 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
712 | if (!bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
713 | BT_LOGE("Expecting an absolute clock class, " |
714 | "but got a non-absolute one: " | |
715 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
716 | clock_class, cc_name); | |
282c8cd0 PP |
717 | goto error; |
718 | } | |
719 | break; | |
720 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
721 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
722 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
723 | "but got an absolute one: " | |
724 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
725 | clock_class, cc_name); | |
282c8cd0 PP |
726 | goto error; |
727 | } | |
728 | ||
729 | if (cc_uuid) { | |
fed72692 PP |
730 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
731 | "but got one with a UUID: " | |
732 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
733 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
734 | clock_class, cc_name, | |
735 | (unsigned int) cc_uuid[0], | |
736 | (unsigned int) cc_uuid[1], | |
737 | (unsigned int) cc_uuid[2], | |
738 | (unsigned int) cc_uuid[3], | |
739 | (unsigned int) cc_uuid[4], | |
740 | (unsigned int) cc_uuid[5], | |
741 | (unsigned int) cc_uuid[6], | |
742 | (unsigned int) cc_uuid[7], | |
743 | (unsigned int) cc_uuid[8], | |
744 | (unsigned int) cc_uuid[9], | |
745 | (unsigned int) cc_uuid[10], | |
746 | (unsigned int) cc_uuid[11], | |
747 | (unsigned int) cc_uuid[12], | |
748 | (unsigned int) cc_uuid[13], | |
749 | (unsigned int) cc_uuid[14], | |
750 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
751 | goto error; |
752 | } | |
753 | break; | |
754 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
755 | if (bt_ctf_clock_class_is_absolute(clock_class)) { | |
fed72692 PP |
756 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
757 | "but got an absolute one: " | |
758 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
759 | clock_class, cc_name); | |
282c8cd0 PP |
760 | goto error; |
761 | } | |
762 | ||
763 | if (!cc_uuid) { | |
fed72692 PP |
764 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
765 | "but got one with no UUID: " | |
766 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
767 | clock_class, cc_name); | |
282c8cd0 PP |
768 | goto error; |
769 | } | |
770 | ||
771 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
772 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
fed72692 PP |
773 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
774 | "but got one with different UUID: " | |
775 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
776 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
777 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
778 | clock_class, cc_name, | |
779 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
780 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
781 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
782 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
783 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
784 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
785 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
786 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
787 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
788 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
789 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
790 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
791 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
792 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
793 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
794 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
795 | (unsigned int) cc_uuid[0], | |
796 | (unsigned int) cc_uuid[1], | |
797 | (unsigned int) cc_uuid[2], | |
798 | (unsigned int) cc_uuid[3], | |
799 | (unsigned int) cc_uuid[4], | |
800 | (unsigned int) cc_uuid[5], | |
801 | (unsigned int) cc_uuid[6], | |
802 | (unsigned int) cc_uuid[7], | |
803 | (unsigned int) cc_uuid[8], | |
804 | (unsigned int) cc_uuid[9], | |
805 | (unsigned int) cc_uuid[10], | |
806 | (unsigned int) cc_uuid[11], | |
807 | (unsigned int) cc_uuid[12], | |
808 | (unsigned int) cc_uuid[13], | |
809 | (unsigned int) cc_uuid[14], | |
810 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
811 | goto error; |
812 | } | |
813 | break; | |
814 | default: | |
815 | /* Unexpected */ | |
fed72692 PP |
816 | BT_LOGF("Unexpected clock class expectation: " |
817 | "expectation-code=%d", | |
818 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
819 | abort(); |
820 | } | |
958f7d11 PP |
821 | } |
822 | ||
823 | switch (bt_notification_get_type(notif)) { | |
824 | case BT_NOTIFICATION_TYPE_EVENT: | |
825 | event = bt_notification_event_get_event(notif); | |
ab11110e | 826 | assert(event); |
958f7d11 PP |
827 | clock_value = bt_ctf_event_get_clock_value(event, |
828 | clock_class); | |
829 | break; | |
830 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
831 | clock_value = bt_notification_inactivity_get_clock_value( | |
832 | notif, clock_class); | |
833 | break; | |
834 | default: | |
fed72692 PP |
835 | BT_LOGF("Unexpected notification type at this point: " |
836 | "type=%d", bt_notification_get_type(notif)); | |
0fbb9a9f | 837 | abort(); |
958f7d11 PP |
838 | } |
839 | ||
840 | if (!clock_value) { | |
fed72692 PP |
841 | BT_LOGE("Cannot get notification's clock value for clock class: " |
842 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
843 | clock_class, cc_name); | |
958f7d11 PP |
844 | goto error; |
845 | } | |
846 | ||
847 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, ts_ns); | |
848 | if (ret) { | |
fed72692 PP |
849 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
850 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
851 | goto error; |
852 | } | |
853 | ||
854 | goto end; | |
855 | ||
856 | error: | |
857 | ret = -1; | |
858 | ||
859 | end: | |
fed72692 PP |
860 | if (ret == 0) { |
861 | BT_LOGV("Found notification's timestamp: " | |
862 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
863 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
864 | muxer_notif_iter, notif, last_returned_ts_ns, | |
865 | *ts_ns); | |
866 | } | |
867 | ||
958f7d11 PP |
868 | bt_put(cc_prio_map); |
869 | bt_put(event); | |
870 | bt_put(clock_class); | |
871 | bt_put(clock_value); | |
872 | return ret; | |
873 | } | |
874 | ||
ab11110e PP |
875 | /* |
876 | * This function finds the youngest available notification amongst the | |
877 | * non-ended upstream notification iterators and returns the upstream | |
878 | * notification iterator which has it, or | |
879 | * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available | |
880 | * notification. | |
881 | * | |
882 | * This function does NOT: | |
883 | * | |
884 | * * Update any upstream notification iterator. | |
885 | * * Check for newly connected ports. | |
886 | * * Check the upstream notification iterators to retry. | |
887 | * | |
888 | * On sucess, this function sets *muxer_upstream_notif_iter to the | |
889 | * upstream notification iterator of which the current notification is | |
890 | * the youngest, and sets *ts_ns to its time. | |
891 | */ | |
958f7d11 PP |
892 | static |
893 | enum bt_notification_iterator_status | |
894 | muxer_notif_iter_youngest_upstream_notif_iter( | |
895 | struct muxer_comp *muxer_comp, | |
896 | struct muxer_notif_iter *muxer_notif_iter, | |
897 | struct muxer_upstream_notif_iter **muxer_upstream_notif_iter, | |
898 | int64_t *ts_ns) | |
899 | { | |
900 | size_t i; | |
901 | int ret; | |
902 | int64_t youngest_ts_ns = INT64_MAX; | |
903 | enum bt_notification_iterator_status status = | |
904 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
905 | ||
906 | assert(muxer_comp); | |
907 | assert(muxer_notif_iter); | |
908 | assert(muxer_upstream_notif_iter); | |
909 | *muxer_upstream_notif_iter = NULL; | |
910 | ||
911 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { | |
912 | struct bt_notification *notif; | |
913 | struct muxer_upstream_notif_iter *cur_muxer_upstream_notif_iter = | |
914 | g_ptr_array_index(muxer_notif_iter->muxer_upstream_notif_iters, i); | |
915 | int64_t notif_ts_ns; | |
916 | ||
917 | if (!cur_muxer_upstream_notif_iter->notif_iter) { | |
ab11110e | 918 | /* This upstream notification iterator is ended */ |
fed72692 PP |
919 | BT_LOGV("Skipping ended upstream notification iterator: " |
920 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
921 | cur_muxer_upstream_notif_iter); | |
958f7d11 PP |
922 | continue; |
923 | } | |
924 | ||
089717de | 925 | assert(cur_muxer_upstream_notif_iter->is_valid); |
958f7d11 PP |
926 | notif = bt_notification_iterator_get_notification( |
927 | cur_muxer_upstream_notif_iter->notif_iter); | |
928 | assert(notif); | |
282c8cd0 | 929 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 PP |
930 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
931 | bt_put(notif); | |
932 | if (ret) { | |
fed72692 | 933 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
934 | *muxer_upstream_notif_iter = NULL; |
935 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
936 | goto end; | |
937 | } | |
938 | ||
939 | if (notif_ts_ns <= youngest_ts_ns) { | |
940 | *muxer_upstream_notif_iter = | |
941 | cur_muxer_upstream_notif_iter; | |
942 | youngest_ts_ns = notif_ts_ns; | |
943 | *ts_ns = youngest_ts_ns; | |
944 | } | |
945 | } | |
946 | ||
947 | if (!*muxer_upstream_notif_iter) { | |
948 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
949 | *ts_ns = INT64_MIN; | |
950 | } | |
951 | ||
952 | end: | |
953 | return status; | |
954 | } | |
955 | ||
956 | static | |
089717de PP |
957 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
958 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 959 | { |
089717de PP |
960 | enum bt_notification_iterator_status status = |
961 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 962 | |
fed72692 PP |
963 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
964 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
965 | muxer_upstream_notif_iter); | |
966 | ||
089717de PP |
967 | if (muxer_upstream_notif_iter->is_valid || |
968 | !muxer_upstream_notif_iter->notif_iter) { | |
ab11110e PP |
969 | goto end; |
970 | } | |
971 | ||
fed72692 | 972 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
973 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
974 | ||
975 | end: | |
976 | return status; | |
977 | } | |
978 | ||
979 | static | |
980 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
981 | struct muxer_notif_iter *muxer_notif_iter) | |
982 | { | |
983 | enum bt_notification_iterator_status status = | |
984 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
985 | size_t i; | |
986 | ||
fed72692 PP |
987 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
988 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
989 | ||
089717de PP |
990 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
991 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
992 | g_ptr_array_index( | |
993 | muxer_notif_iter->muxer_upstream_notif_iters, | |
994 | i); | |
995 | ||
996 | status = validate_muxer_upstream_notif_iter( | |
997 | muxer_upstream_notif_iter); | |
998 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
fed72692 PP |
999 | if (status < 0) { |
1000 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
1001 | "muxer-notif-iter-addr=%p, " | |
1002 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1003 | muxer_notif_iter, | |
1004 | muxer_upstream_notif_iter); | |
1005 | } else { | |
1006 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
1007 | "muxer-notif-iter-addr=%p, " | |
1008 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1009 | muxer_notif_iter, | |
1010 | muxer_upstream_notif_iter); | |
1011 | } | |
1012 | ||
089717de PP |
1013 | goto end; |
1014 | } | |
744ba28b PP |
1015 | |
1016 | /* | |
1017 | * Remove this muxer upstream notification iterator | |
1018 | * if it's ended or canceled. | |
1019 | */ | |
1020 | if (!muxer_upstream_notif_iter->notif_iter) { | |
1021 | /* | |
1022 | * Use g_ptr_array_remove_fast() because the | |
1023 | * order of those elements is not important. | |
1024 | */ | |
fed72692 PP |
1025 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
1026 | "muxer-notif-iter-addr=%p, " | |
1027 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1028 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
1029 | g_ptr_array_remove_index_fast( |
1030 | muxer_notif_iter->muxer_upstream_notif_iters, | |
1031 | i); | |
1032 | i--; | |
1033 | } | |
089717de PP |
1034 | } |
1035 | ||
1036 | end: | |
1037 | return status; | |
1038 | } | |
1039 | ||
1040 | static | |
90157d89 | 1041 | struct bt_notification_iterator_next_method_return muxer_notif_iter_do_next( |
089717de PP |
1042 | struct muxer_comp *muxer_comp, |
1043 | struct muxer_notif_iter *muxer_notif_iter) | |
1044 | { | |
1045 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; | |
90157d89 | 1046 | struct bt_notification_iterator_next_method_return next_return = { |
089717de PP |
1047 | .notification = NULL, |
1048 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, | |
1049 | }; | |
1050 | int64_t next_return_ts; | |
1051 | ||
1052 | while (true) { | |
1053 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1054 | muxer_notif_iter); | |
1055 | ||
1056 | if (ret) { | |
fed72692 PP |
1057 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1058 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1059 | "ret=%d", | |
1060 | muxer_comp, muxer_notif_iter, ret); | |
089717de PP |
1061 | next_return.status = |
1062 | BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1063 | goto end; | |
1064 | } | |
1065 | ||
1066 | next_return.status = | |
1067 | validate_muxer_upstream_notif_iters(muxer_notif_iter); | |
1068 | if (next_return.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
3823b499 | 1069 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1070 | goto end; |
1071 | } | |
ab11110e | 1072 | |
958f7d11 | 1073 | /* |
089717de PP |
1074 | * At this point, we know that all the existing upstream |
1075 | * notification iterators are valid. However the | |
1076 | * operations to validate them (during | |
1077 | * validate_muxer_upstream_notif_iters()) may have | |
1078 | * connected new ports. If no ports were connected | |
1079 | * during this operation, exit the loop. | |
958f7d11 | 1080 | */ |
089717de | 1081 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1082 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1083 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1084 | break; |
1085 | } | |
958f7d11 PP |
1086 | } |
1087 | ||
089717de PP |
1088 | assert(!muxer_notif_iter->newly_connected_priv_ports); |
1089 | ||
958f7d11 | 1090 | /* |
089717de PP |
1091 | * At this point we know that all the existing upstream |
1092 | * notification iterators are valid. We can find the one, | |
1093 | * amongst those, of which the current notification is the | |
1094 | * youngest. | |
958f7d11 | 1095 | */ |
089717de | 1096 | next_return.status = |
958f7d11 PP |
1097 | muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
1098 | muxer_notif_iter, &muxer_upstream_notif_iter, | |
089717de PP |
1099 | &next_return_ts); |
1100 | if (next_return.status < 0 || | |
beed0223 MD |
1101 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1102 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
fed72692 PP |
1103 | if (next_return.status < 0) { |
1104 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " | |
1105 | "status=%s", | |
1106 | bt_notification_iterator_status_string(next_return.status)); | |
1107 | } else { | |
1108 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1109 | "status=%s", | |
1110 | bt_notification_iterator_status_string(next_return.status)); | |
1111 | } | |
1112 | ||
958f7d11 PP |
1113 | goto end; |
1114 | } | |
1115 | ||
089717de | 1116 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
fed72692 PP |
1117 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1118 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1119 | "last-returned-ts=%" PRId64, | |
1120 | muxer_notif_iter, next_return_ts, | |
1121 | muxer_notif_iter->last_returned_ts_ns); | |
089717de | 1122 | next_return.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1123 | goto end; |
1124 | } | |
1125 | ||
fed72692 PP |
1126 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1127 | "muxer-notif-iter-addr=%p, " | |
1128 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1129 | "ts=%" PRId64, | |
1130 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
089717de PP |
1131 | assert(next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
1132 | assert(muxer_upstream_notif_iter); | |
1133 | next_return.notification = bt_notification_iterator_get_notification( | |
1134 | muxer_upstream_notif_iter->notif_iter); | |
1135 | assert(next_return.notification); | |
958f7d11 PP |
1136 | |
1137 | /* | |
089717de PP |
1138 | * We invalidate the upstream notification iterator so that, the |
1139 | * next time this function is called, | |
1140 | * validate_muxer_upstream_notif_iters() will make it valid. | |
958f7d11 | 1141 | */ |
089717de PP |
1142 | muxer_upstream_notif_iter->is_valid = false; |
1143 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1144 | |
1145 | end: | |
089717de | 1146 | return next_return; |
958f7d11 PP |
1147 | } |
1148 | ||
1149 | static | |
ab11110e PP |
1150 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1151 | { | |
ab11110e PP |
1152 | if (!muxer_notif_iter) { |
1153 | return; | |
1154 | } | |
1155 | ||
fed72692 PP |
1156 | BT_LOGD("Destroying muxer component's notification iterator: " |
1157 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1158 | ||
ab11110e | 1159 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
fed72692 | 1160 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1161 | g_ptr_array_free( |
1162 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1163 | } | |
1164 | ||
ab11110e PP |
1165 | g_list_free(muxer_notif_iter->newly_connected_priv_ports); |
1166 | g_free(muxer_notif_iter); | |
1167 | } | |
1168 | ||
1169 | static | |
1170 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1171 | struct muxer_notif_iter *muxer_notif_iter) |
1172 | { | |
ab11110e | 1173 | struct bt_component *comp; |
544d0515 PP |
1174 | int64_t count; |
1175 | int64_t i; | |
ab11110e | 1176 | int ret = 0; |
958f7d11 | 1177 | |
ab11110e PP |
1178 | /* |
1179 | * Add the connected input ports to this muxer notification | |
1180 | * iterator's list of newly connected ports. They will be | |
1181 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1182 | */ | |
958f7d11 PP |
1183 | comp = bt_component_from_private_component(muxer_comp->priv_comp); |
1184 | assert(comp); | |
544d0515 PP |
1185 | count = bt_component_filter_get_input_port_count(comp); |
1186 | if (count < 0) { | |
fed72692 PP |
1187 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1188 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1189 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1190 | goto end; |
1191 | } | |
958f7d11 PP |
1192 | |
1193 | for (i = 0; i < count; i++) { | |
1194 | struct bt_private_port *priv_port = | |
9ac68eb1 | 1195 | bt_private_component_filter_get_input_private_port_by_index( |
958f7d11 PP |
1196 | muxer_comp->priv_comp, i); |
1197 | struct bt_port *port; | |
958f7d11 PP |
1198 | |
1199 | assert(priv_port); | |
958f7d11 | 1200 | port = bt_port_from_private_port(priv_port); |
ab11110e | 1201 | assert(port); |
958f7d11 PP |
1202 | |
1203 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1204 | BT_LOGD("Skipping input port: not connected: " |
1205 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1206 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 | 1207 | bt_put(priv_port); |
ab11110e | 1208 | bt_put(port); |
958f7d11 PP |
1209 | continue; |
1210 | } | |
1211 | ||
1212 | bt_put(port); | |
06a2cb0d | 1213 | bt_put(priv_port); |
ab11110e PP |
1214 | muxer_notif_iter->newly_connected_priv_ports = |
1215 | g_list_append( | |
1216 | muxer_notif_iter->newly_connected_priv_ports, | |
958f7d11 | 1217 | priv_port); |
ab11110e | 1218 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1219 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1220 | "port-addr=%p, port-name=\"%s\", " | |
1221 | "muxer-notif-iter-addr=%p", port, | |
1222 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1223 | ret = -1; |
1224 | goto end; | |
958f7d11 | 1225 | } |
fed72692 PP |
1226 | |
1227 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1228 | "port-addr=%p, port-name=\"%s\", " | |
1229 | "muxer-notif-iter-addr=%p", port, | |
1230 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1231 | } |
1232 | ||
1233 | end: | |
1234 | bt_put(comp); | |
1235 | return ret; | |
1236 | } | |
1237 | ||
958f7d11 PP |
1238 | BT_HIDDEN |
1239 | enum bt_notification_iterator_status muxer_notif_iter_init( | |
90157d89 | 1240 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, |
958f7d11 PP |
1241 | struct bt_private_port *output_priv_port) |
1242 | { | |
1243 | struct muxer_comp *muxer_comp = NULL; | |
1244 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
1245 | struct bt_private_component *priv_comp = NULL; | |
1246 | enum bt_notification_iterator_status status = | |
1247 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1248 | int ret; | |
1249 | ||
90157d89 | 1250 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 PP |
1251 | priv_notif_iter); |
1252 | assert(priv_comp); | |
1253 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1254 | assert(muxer_comp); | |
fed72692 PP |
1255 | BT_LOGD("Initializing muxer component's notification iterator: " |
1256 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1257 | priv_comp, muxer_comp, priv_notif_iter); | |
a09c6b95 PP |
1258 | |
1259 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1260 | /* | |
089717de PP |
1261 | * Weird, unhandled situation detected: downstream |
1262 | * creates a muxer notification iterator while creating | |
1263 | * another muxer notification iterator (same component). | |
a09c6b95 | 1264 | */ |
fed72692 PP |
1265 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1266 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1267 | priv_comp, muxer_comp, priv_notif_iter); | |
958f7d11 PP |
1268 | goto error; |
1269 | } | |
1270 | ||
a09c6b95 PP |
1271 | muxer_comp->initializing_muxer_notif_iter = true; |
1272 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1273 | if (!muxer_notif_iter) { | |
fed72692 | 1274 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1275 | goto error; |
1276 | } | |
1277 | ||
958f7d11 PP |
1278 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1279 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1280 | g_ptr_array_new_with_free_func( | |
1281 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1282 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
fed72692 | 1283 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1284 | goto error; |
1285 | } | |
1286 | ||
a09c6b95 PP |
1287 | /* |
1288 | * Add the muxer notification iterator to the component's array | |
1289 | * of muxer notification iterators here because | |
1290 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1291 | * muxer_port_connected() to be called, which adds the newly | |
1292 | * connected port to each muxer notification iterator's list of | |
1293 | * newly connected ports. | |
1294 | */ | |
1295 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1296 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1297 | muxer_notif_iter); | |
1298 | if (ret) { | |
fed72692 PP |
1299 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1300 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1301 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
1302 | priv_comp, muxer_comp, muxer_notif_iter, | |
1303 | priv_notif_iter, ret); | |
a09c6b95 PP |
1304 | goto error; |
1305 | } | |
1306 | ||
90157d89 | 1307 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 PP |
1308 | muxer_notif_iter); |
1309 | assert(ret == 0); | |
fed72692 PP |
1310 | BT_LOGD("Initialized muxer component's notification iterator: " |
1311 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1312 | "notif-iter-addr=%p", | |
1313 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1314 | goto end; |
1315 | ||
1316 | error: | |
a09c6b95 PP |
1317 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1318 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1319 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1320 | muxer_comp->muxer_notif_iters->len - 1); | |
1321 | } | |
1322 | ||
958f7d11 | 1323 | destroy_muxer_notif_iter(muxer_notif_iter); |
90157d89 | 1324 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 PP |
1325 | NULL); |
1326 | assert(ret == 0); | |
1327 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1328 | ||
1329 | end: | |
a09c6b95 | 1330 | muxer_comp->initializing_muxer_notif_iter = false; |
958f7d11 PP |
1331 | bt_put(priv_comp); |
1332 | return status; | |
1333 | } | |
1334 | ||
1335 | BT_HIDDEN | |
1336 | void muxer_notif_iter_finalize( | |
90157d89 | 1337 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) |
958f7d11 PP |
1338 | { |
1339 | struct muxer_notif_iter *muxer_notif_iter = | |
90157d89 | 1340 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1341 | struct bt_private_component *priv_comp = NULL; |
1342 | struct muxer_comp *muxer_comp = NULL; | |
1343 | ||
90157d89 | 1344 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 PP |
1345 | priv_notif_iter); |
1346 | assert(priv_comp); | |
1347 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
fed72692 PP |
1348 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1349 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1350 | "notif-iter-addr=%p", | |
1351 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1352 | |
1353 | if (muxer_comp) { | |
1354 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1355 | muxer_notif_iter); | |
1356 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1357 | } | |
1358 | ||
1359 | bt_put(priv_comp); | |
1360 | } | |
1361 | ||
1362 | BT_HIDDEN | |
90157d89 PP |
1363 | struct bt_notification_iterator_next_method_return muxer_notif_iter_next( |
1364 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) | |
958f7d11 | 1365 | { |
90157d89 | 1366 | struct bt_notification_iterator_next_method_return next_ret; |
958f7d11 | 1367 | struct muxer_notif_iter *muxer_notif_iter = |
90157d89 | 1368 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1369 | struct bt_private_component *priv_comp = NULL; |
1370 | struct muxer_comp *muxer_comp = NULL; | |
958f7d11 PP |
1371 | |
1372 | assert(muxer_notif_iter); | |
90157d89 | 1373 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 PP |
1374 | priv_notif_iter); |
1375 | assert(priv_comp); | |
1376 | muxer_comp = bt_private_component_get_user_data(priv_comp); | |
1377 | assert(muxer_comp); | |
1378 | ||
fed72692 PP |
1379 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1380 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1381 | "notif-iter-addr=%p", | |
1382 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
1383 | ||
958f7d11 PP |
1384 | /* Are we in an error state set elsewhere? */ |
1385 | if (unlikely(muxer_comp->error)) { | |
fed72692 PP |
1386 | BT_LOGE("Muxer component is already in an error state: returning BT_NOTIFICATION_ITERATOR_STATUS_ERROR: " |
1387 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1388 | "notif-iter-addr=%p", | |
1389 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
089717de PP |
1390 | next_ret.notification = NULL; |
1391 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1392 | goto end; | |
958f7d11 PP |
1393 | } |
1394 | ||
089717de | 1395 | next_ret = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter); |
fed72692 PP |
1396 | if (next_ret.status < 0) { |
1397 | BT_LOGE("Cannot get next notification: " | |
1398 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1399 | "notif-iter-addr=%p, status=%s", | |
1400 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter, | |
1401 | bt_notification_iterator_status_string(next_ret.status)); | |
1402 | } else { | |
1403 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
1404 | "status=%s, notif-addr=%p", | |
1405 | bt_notification_iterator_status_string(next_ret.status), | |
1406 | next_ret.notification); | |
1407 | } | |
958f7d11 PP |
1408 | |
1409 | end: | |
1410 | bt_put(priv_comp); | |
1411 | return next_ret; | |
1412 | } | |
1413 | ||
1414 | BT_HIDDEN | |
1415 | void muxer_port_connected( | |
1416 | struct bt_private_component *priv_comp, | |
1417 | struct bt_private_port *self_private_port, | |
1418 | struct bt_port *other_port) | |
1419 | { | |
1420 | struct bt_port *self_port = | |
1421 | bt_port_from_private_port(self_private_port); | |
1422 | struct muxer_comp *muxer_comp = | |
1423 | bt_private_component_get_user_data(priv_comp); | |
1424 | size_t i; | |
06a2cb0d | 1425 | int ret; |
958f7d11 PP |
1426 | |
1427 | assert(self_port); | |
1428 | assert(muxer_comp); | |
fed72692 PP |
1429 | BT_LOGD("Port connected: " |
1430 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1431 | "port-addr=%p, port-name=\"%s\", " | |
1432 | "other-port-addr=%p, other-port-name=\"%s\"", | |
1433 | priv_comp, muxer_comp, self_port, bt_port_get_name(self_port), | |
1434 | other_port, bt_port_get_name(other_port)); | |
958f7d11 | 1435 | |
06a2cb0d PP |
1436 | if (bt_port_get_type(self_port) == BT_PORT_TYPE_OUTPUT) { |
1437 | goto end; | |
958f7d11 PP |
1438 | } |
1439 | ||
1440 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1441 | struct muxer_notif_iter *muxer_notif_iter = | |
1442 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1443 | ||
1444 | /* | |
ab11110e PP |
1445 | * Add this port to the list of newly connected ports |
1446 | * for this muxer notification iterator. We append at | |
1447 | * the end of this list while | |
1448 | * muxer_notif_iter_handle_newly_connected_ports() | |
1449 | * removes the nodes from the beginning. | |
958f7d11 | 1450 | */ |
ab11110e PP |
1451 | muxer_notif_iter->newly_connected_priv_ports = |
1452 | g_list_append( | |
1453 | muxer_notif_iter->newly_connected_priv_ports, | |
06a2cb0d | 1454 | self_private_port); |
ab11110e | 1455 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1456 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1457 | "port-addr=%p, port-name=\"%s\", " | |
1458 | "muxer-notif-iter-addr=%p", self_port, | |
1459 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1460 | muxer_comp->error = true; |
1461 | goto end; | |
1462 | } | |
fed72692 PP |
1463 | |
1464 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1465 | "port-addr=%p, port-name=\"%s\", " | |
1466 | "muxer-notif-iter-addr=%p", self_port, | |
1467 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1468 | } |
1469 | ||
06a2cb0d PP |
1470 | /* One less available input port */ |
1471 | muxer_comp->available_input_ports--; | |
1472 | ret = ensure_available_input_port(priv_comp); | |
1473 | if (ret) { | |
1474 | /* | |
1475 | * Only way to report an error later since this | |
1476 | * method does not return anything. | |
1477 | */ | |
fed72692 PP |
1478 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1479 | "muxer-comp-addr=%p, status=%s", | |
1480 | muxer_comp, bt_component_status_string(ret)); | |
06a2cb0d PP |
1481 | muxer_comp->error = true; |
1482 | goto end; | |
1483 | } | |
1484 | ||
958f7d11 PP |
1485 | end: |
1486 | bt_put(self_port); | |
1487 | } | |
1488 | ||
1489 | BT_HIDDEN | |
1490 | void muxer_port_disconnected(struct bt_private_component *priv_comp, | |
1491 | struct bt_private_port *priv_port) | |
1492 | { | |
1493 | struct bt_port *port = bt_port_from_private_port(priv_port); | |
1494 | struct muxer_comp *muxer_comp = | |
1495 | bt_private_component_get_user_data(priv_comp); | |
1496 | ||
1497 | assert(port); | |
1498 | assert(muxer_comp); | |
fed72692 PP |
1499 | BT_LOGD("Port disconnected: " |
1500 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1501 | "port-name=\"%s\"", priv_comp, muxer_comp, | |
1502 | port, bt_port_get_name(port)); | |
958f7d11 | 1503 | |
ab11110e PP |
1504 | /* |
1505 | * There's nothing special to do when a port is disconnected | |
1506 | * because this component deals with upstream notification | |
1507 | * iterators which were already created thanks to connected | |
1508 | * ports. The fact that the port is disconnected does not cancel | |
1509 | * the upstream notification iterators created using its | |
089717de PP |
1510 | * connection: they still exist, even if the connection is dead. |
1511 | * The only way to remove an upstream notification iterator is | |
1512 | * for its "next" operation to return | |
1513 | * BT_NOTIFICATION_ITERATOR_STATUS_END. | |
ab11110e | 1514 | */ |
958f7d11 PP |
1515 | if (bt_port_get_type(port) == BT_PORT_TYPE_INPUT) { |
1516 | /* One more available input port */ | |
1517 | muxer_comp->available_input_ports++; | |
fed72692 PP |
1518 | BT_LOGD("Leaving disconnected input port available for future connections: " |
1519 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1520 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1521 | priv_comp, muxer_comp, port, bt_port_get_name(port), | |
1522 | muxer_comp->available_input_ports); | |
958f7d11 PP |
1523 | } |
1524 | ||
1525 | bt_put(port); | |
1526 | } |