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> |
f6ccaed9 | 37 | #include <babeltrace/assert-internal.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 | ||
07245ac2 PP |
64 | /* Owned by this */ |
65 | struct bt_notification *notif; | |
66 | ||
089717de PP |
67 | /* |
68 | * This flag is true if the upstream notification iterator's | |
69 | * current notification must be considered for the multiplexing | |
70 | * operations. If the upstream iterator returns | |
71 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN, then this object | |
72 | * is considered invalid, because its current notification is | |
73 | * still the previous one, but we already took it into account. | |
74 | * | |
75 | * The value of this flag is not important if notif_iter above | |
76 | * is NULL (which means the upstream iterator is finished). | |
77 | */ | |
78 | bool is_valid; | |
958f7d11 PP |
79 | }; |
80 | ||
282c8cd0 PP |
81 | enum muxer_notif_iter_clock_class_expectation { |
82 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
83 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
84 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
85 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
86 | }; | |
87 | ||
958f7d11 | 88 | struct muxer_notif_iter { |
ab11110e PP |
89 | /* |
90 | * Array of struct muxer_upstream_notif_iter * (owned by this). | |
91 | * | |
92 | * NOTE: This array is searched in linearly to find the youngest | |
93 | * current notification. Keep this until benchmarks confirm that | |
94 | * another data structure is faster than this for our typical | |
95 | * use cases. | |
96 | */ | |
958f7d11 PP |
97 | GPtrArray *muxer_upstream_notif_iters; |
98 | ||
ab11110e | 99 | /* |
06a2cb0d | 100 | * List of "recently" connected input ports (weak) to |
ab11110e PP |
101 | * handle by this muxer notification iterator. |
102 | * muxer_port_connected() adds entries to this list, and the | |
103 | * entries are removed when a notification iterator is created | |
104 | * on the port's connection and put into | |
105 | * muxer_upstream_notif_iters above by | |
106 | * muxer_notif_iter_handle_newly_connected_ports(). | |
107 | */ | |
108 | GList *newly_connected_priv_ports; | |
958f7d11 PP |
109 | |
110 | /* Next thing to return by the "next" method */ | |
90157d89 | 111 | struct bt_notification_iterator_next_method_return next_next_return; |
958f7d11 PP |
112 | |
113 | /* Last time returned in a notification */ | |
114 | int64_t last_returned_ts_ns; | |
282c8cd0 PP |
115 | |
116 | /* Clock class expectation state */ | |
117 | enum muxer_notif_iter_clock_class_expectation clock_class_expectation; | |
118 | ||
119 | /* | |
120 | * Expected clock class UUID, only valid when | |
121 | * clock_class_expectation is | |
122 | * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. | |
123 | */ | |
124 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
125 | }; |
126 | ||
ab11110e PP |
127 | static |
128 | void destroy_muxer_upstream_notif_iter( | |
129 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
130 | { | |
131 | if (!muxer_upstream_notif_iter) { | |
132 | return; | |
133 | } | |
134 | ||
fed72692 PP |
135 | BT_LOGD("Destroying muxer's upstream notification iterator wrapper: " |
136 | "addr=%p, notif-iter-addr=%p, is-valid=%d", | |
137 | muxer_upstream_notif_iter, | |
138 | muxer_upstream_notif_iter->notif_iter, | |
139 | muxer_upstream_notif_iter->is_valid); | |
ab11110e | 140 | bt_put(muxer_upstream_notif_iter->notif_iter); |
07245ac2 | 141 | bt_put(muxer_upstream_notif_iter->notif); |
ab11110e PP |
142 | g_free(muxer_upstream_notif_iter); |
143 | } | |
144 | ||
958f7d11 PP |
145 | static |
146 | struct muxer_upstream_notif_iter *muxer_notif_iter_add_upstream_notif_iter( | |
147 | struct muxer_notif_iter *muxer_notif_iter, | |
148 | struct bt_notification_iterator *notif_iter, | |
149 | struct bt_private_port *priv_port) | |
150 | { | |
151 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
152 | g_new0(struct muxer_upstream_notif_iter, 1); | |
153 | ||
154 | if (!muxer_upstream_notif_iter) { | |
fed72692 | 155 | BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper."); |
958f7d11 PP |
156 | goto end; |
157 | } | |
158 | ||
159 | muxer_upstream_notif_iter->notif_iter = bt_get(notif_iter); | |
089717de | 160 | muxer_upstream_notif_iter->is_valid = false; |
958f7d11 PP |
161 | g_ptr_array_add(muxer_notif_iter->muxer_upstream_notif_iters, |
162 | muxer_upstream_notif_iter); | |
fed72692 PP |
163 | BT_LOGD("Added muxer's upstream notification iterator wrapper: " |
164 | "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p", | |
165 | muxer_upstream_notif_iter, muxer_notif_iter, | |
166 | notif_iter); | |
958f7d11 PP |
167 | |
168 | end: | |
169 | return muxer_upstream_notif_iter; | |
170 | } | |
171 | ||
958f7d11 | 172 | static |
147337a3 PP |
173 | enum bt_component_status ensure_available_input_port( |
174 | struct bt_private_component *priv_comp) | |
958f7d11 PP |
175 | { |
176 | struct muxer_comp *muxer_comp = | |
177 | bt_private_component_get_user_data(priv_comp); | |
147337a3 | 178 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
958f7d11 | 179 | GString *port_name = NULL; |
958f7d11 | 180 | |
f6ccaed9 | 181 | BT_ASSERT(muxer_comp); |
958f7d11 PP |
182 | |
183 | if (muxer_comp->available_input_ports >= 1) { | |
184 | goto end; | |
185 | } | |
186 | ||
187 | port_name = g_string_new("in"); | |
188 | if (!port_name) { | |
fed72692 | 189 | BT_LOGE_STR("Failed to allocate a GString."); |
147337a3 | 190 | status = BT_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
191 | goto end; |
192 | } | |
193 | ||
194 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
147337a3 PP |
195 | status = bt_private_component_filter_add_input_private_port( |
196 | priv_comp, port_name->str, NULL, NULL); | |
197 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
198 | BT_LOGE("Cannot add input port to muxer component: " |
199 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
200 | port_name->str, priv_comp, | |
201 | bt_component_status_string(status)); | |
958f7d11 PP |
202 | goto end; |
203 | } | |
204 | ||
205 | muxer_comp->available_input_ports++; | |
206 | muxer_comp->next_port_num++; | |
fed72692 PP |
207 | BT_LOGD("Added one input port to muxer component: " |
208 | "port-name=\"%s\", comp-addr=%p", | |
209 | port_name->str, priv_comp); | |
958f7d11 PP |
210 | end: |
211 | if (port_name) { | |
212 | g_string_free(port_name, TRUE); | |
213 | } | |
214 | ||
147337a3 | 215 | return status; |
958f7d11 PP |
216 | } |
217 | ||
958f7d11 | 218 | static |
147337a3 PP |
219 | enum bt_component_status create_output_port( |
220 | struct bt_private_component *priv_comp) | |
958f7d11 | 221 | { |
147337a3 PP |
222 | return bt_private_component_filter_add_output_private_port( |
223 | priv_comp, "out", NULL, NULL); | |
958f7d11 PP |
224 | } |
225 | ||
226 | static | |
227 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
228 | { | |
229 | if (!muxer_comp) { | |
230 | return; | |
231 | } | |
232 | ||
fed72692 PP |
233 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
234 | "muxer-notif-iter-count=%u", muxer_comp, | |
af18c5e7 JG |
235 | muxer_comp->muxer_notif_iters ? |
236 | muxer_comp->muxer_notif_iters->len : 0); | |
fed72692 | 237 | |
958f7d11 PP |
238 | if (muxer_comp->muxer_notif_iters) { |
239 | g_ptr_array_free(muxer_comp->muxer_notif_iters, TRUE); | |
240 | } | |
241 | ||
242 | g_free(muxer_comp); | |
243 | } | |
244 | ||
65ee897d PP |
245 | static |
246 | struct bt_value *get_default_params(void) | |
247 | { | |
248 | struct bt_value *params; | |
249 | int ret; | |
250 | ||
251 | params = bt_value_map_create(); | |
252 | if (!params) { | |
fed72692 | 253 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
254 | goto error; |
255 | } | |
256 | ||
c3acd5f3 JG |
257 | ret = bt_value_map_insert_bool(params, |
258 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); | |
65ee897d | 259 | if (ret) { |
fed72692 | 260 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
261 | goto error; |
262 | } | |
263 | ||
264 | goto end; | |
265 | ||
266 | error: | |
267 | BT_PUT(params); | |
268 | ||
269 | end: | |
270 | return params; | |
271 | } | |
272 | ||
273 | static | |
274 | int configure_muxer_comp(struct muxer_comp *muxer_comp, struct bt_value *params) | |
275 | { | |
276 | struct bt_value *default_params = NULL; | |
277 | struct bt_value *real_params = NULL; | |
282c8cd0 | 278 | struct bt_value *assume_absolute_clock_classes = NULL; |
65ee897d | 279 | int ret = 0; |
c55a9f58 | 280 | bt_bool bool_val; |
65ee897d PP |
281 | |
282 | default_params = get_default_params(); | |
283 | if (!default_params) { | |
fed72692 PP |
284 | BT_LOGE("Cannot get default parameters: " |
285 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
286 | goto error; |
287 | } | |
288 | ||
289 | real_params = bt_value_map_extend(default_params, params); | |
290 | if (!real_params) { | |
fed72692 PP |
291 | BT_LOGE("Cannot extend default parameters map value: " |
292 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
293 | "params-addr=%p", muxer_comp, default_params, | |
294 | params); | |
65ee897d PP |
295 | goto error; |
296 | } | |
297 | ||
778f1ddd | 298 | assume_absolute_clock_classes = bt_value_map_borrow(real_params, |
c3acd5f3 | 299 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); |
f6ccaed9 PP |
300 | if (assume_absolute_clock_classes && |
301 | !bt_value_is_bool(assume_absolute_clock_classes)) { | |
fed72692 PP |
302 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
303 | "muxer-comp-addr=%p, value-type=%s", | |
304 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
305 | bt_value_type_string( | |
306 | bt_value_get_type(assume_absolute_clock_classes))); | |
65ee897d PP |
307 | goto error; |
308 | } | |
309 | ||
fed72692 | 310 | ret = bt_value_bool_get(assume_absolute_clock_classes, &bool_val); |
f6ccaed9 | 311 | BT_ASSERT(ret == 0); |
282c8cd0 | 312 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
fed72692 PP |
313 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
314 | "assume-absolute-clock-classes=%d", | |
315 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
316 | goto end; |
317 | ||
318 | error: | |
319 | ret = -1; | |
320 | ||
321 | end: | |
322 | bt_put(default_params); | |
323 | bt_put(real_params); | |
65ee897d PP |
324 | return ret; |
325 | } | |
326 | ||
958f7d11 PP |
327 | BT_HIDDEN |
328 | enum bt_component_status muxer_init( | |
329 | struct bt_private_component *priv_comp, | |
330 | struct bt_value *params, void *init_data) | |
331 | { | |
332 | int ret; | |
333 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; | |
334 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); | |
335 | ||
fed72692 PP |
336 | BT_LOGD("Initializing muxer component: " |
337 | "comp-addr=%p, params-addr=%p", priv_comp, params); | |
338 | ||
958f7d11 | 339 | if (!muxer_comp) { |
fed72692 | 340 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
341 | goto error; |
342 | } | |
343 | ||
65ee897d PP |
344 | ret = configure_muxer_comp(muxer_comp, params); |
345 | if (ret) { | |
fed72692 PP |
346 | BT_LOGE("Cannot configure muxer component: " |
347 | "muxer-comp-addr=%p, params-addr=%p", | |
348 | muxer_comp, params); | |
65ee897d PP |
349 | goto error; |
350 | } | |
351 | ||
958f7d11 PP |
352 | muxer_comp->muxer_notif_iters = g_ptr_array_new(); |
353 | if (!muxer_comp->muxer_notif_iters) { | |
fed72692 | 354 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
355 | goto error; |
356 | } | |
357 | ||
358 | muxer_comp->priv_comp = priv_comp; | |
359 | ret = bt_private_component_set_user_data(priv_comp, muxer_comp); | |
f6ccaed9 | 360 | BT_ASSERT(ret == 0); |
147337a3 PP |
361 | status = ensure_available_input_port(priv_comp); |
362 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
363 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
364 | "muxer-comp-addr=%p, status=%s", | |
365 | muxer_comp, | |
366 | bt_component_status_string(status)); | |
958f7d11 PP |
367 | goto error; |
368 | } | |
369 | ||
fed72692 PP |
370 | status = create_output_port(priv_comp); |
371 | if (status) { | |
372 | BT_LOGE("Cannot create muxer component's output port: " | |
373 | "muxer-comp-addr=%p, status=%s", | |
374 | muxer_comp, | |
375 | bt_component_status_string(status)); | |
958f7d11 PP |
376 | goto error; |
377 | } | |
378 | ||
fed72692 PP |
379 | BT_LOGD("Initialized muxer component: " |
380 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
381 | priv_comp, params, muxer_comp); | |
382 | ||
958f7d11 PP |
383 | goto end; |
384 | ||
385 | error: | |
386 | destroy_muxer_comp(muxer_comp); | |
387 | ret = bt_private_component_set_user_data(priv_comp, NULL); | |
f6ccaed9 | 388 | BT_ASSERT(ret == 0); |
147337a3 PP |
389 | |
390 | if (status == BT_COMPONENT_STATUS_OK) { | |
391 | status = BT_COMPONENT_STATUS_ERROR; | |
392 | } | |
958f7d11 PP |
393 | |
394 | end: | |
395 | return status; | |
396 | } | |
397 | ||
398 | BT_HIDDEN | |
399 | void muxer_finalize(struct bt_private_component *priv_comp) | |
400 | { | |
401 | struct muxer_comp *muxer_comp = | |
402 | bt_private_component_get_user_data(priv_comp); | |
403 | ||
fed72692 PP |
404 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
405 | priv_comp); | |
958f7d11 PP |
406 | destroy_muxer_comp(muxer_comp); |
407 | } | |
408 | ||
409 | static | |
410 | struct bt_notification_iterator *create_notif_iter_on_input_port( | |
411 | struct bt_private_port *priv_port, int *ret) | |
412 | { | |
5c563278 | 413 | struct bt_port *port = bt_port_borrow_from_private(priv_port); |
958f7d11 PP |
414 | struct bt_notification_iterator *notif_iter = NULL; |
415 | struct bt_private_connection *priv_conn = NULL; | |
73d5c1ad | 416 | enum bt_connection_status conn_status; |
958f7d11 | 417 | |
f6ccaed9 | 418 | BT_ASSERT(ret); |
958f7d11 | 419 | *ret = 0; |
f6ccaed9 PP |
420 | BT_ASSERT(port); |
421 | BT_ASSERT(bt_port_is_connected(port)); | |
958f7d11 | 422 | priv_conn = bt_private_port_get_private_connection(priv_port); |
f6ccaed9 | 423 | BT_ASSERT(priv_conn); |
958f7d11 | 424 | |
ab11110e PP |
425 | // TODO: Advance the iterator to >= the time of the latest |
426 | // returned notification by the muxer notification | |
427 | // iterator which creates it. | |
73d5c1ad | 428 | conn_status = bt_private_connection_create_notification_iterator( |
f42867e2 | 429 | priv_conn, ¬if_iter); |
73d5c1ad | 430 | if (conn_status != BT_CONNECTION_STATUS_OK) { |
fed72692 PP |
431 | BT_LOGE("Cannot create upstream notification iterator on input port's connection: " |
432 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
433 | "status=%s", | |
434 | port, bt_port_get_name(port), priv_conn, | |
435 | bt_connection_status_string(conn_status)); | |
958f7d11 PP |
436 | *ret = -1; |
437 | goto end; | |
438 | } | |
439 | ||
fed72692 PP |
440 | BT_LOGD("Created upstream notification iterator on input port's connection: " |
441 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
442 | "notif-iter-addr=%p", | |
443 | port, bt_port_get_name(port), priv_conn, notif_iter); | |
444 | ||
958f7d11 | 445 | end: |
958f7d11 PP |
446 | bt_put(priv_conn); |
447 | return notif_iter; | |
448 | } | |
449 | ||
ab11110e | 450 | static |
089717de | 451 | enum bt_notification_iterator_status muxer_upstream_notif_iter_next( |
ab11110e PP |
452 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) |
453 | { | |
089717de | 454 | enum bt_notification_iterator_status status; |
07245ac2 | 455 | struct bt_notification *notif = NULL; |
ab11110e | 456 | |
fed72692 PP |
457 | BT_LOGV("Calling upstream notification iterator's \"next\" method: " |
458 | "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p", | |
459 | muxer_upstream_notif_iter, | |
460 | muxer_upstream_notif_iter->notif_iter); | |
07245ac2 PP |
461 | status = bt_private_connection_notification_iterator_next( |
462 | muxer_upstream_notif_iter->notif_iter, ¬if); | |
fed72692 PP |
463 | BT_LOGV("Upstream notification iterator's \"next\" method returned: " |
464 | "status=%s", bt_notification_iterator_status_string(status)); | |
ab11110e | 465 | |
089717de | 466 | switch (status) { |
ab11110e | 467 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
089717de PP |
468 | /* |
469 | * Notification iterator's current notification is valid: | |
470 | * it must be considered for muxing operations. | |
471 | */ | |
fed72692 | 472 | BT_LOGV_STR("Validated upstream notification iterator wrapper."); |
089717de | 473 | muxer_upstream_notif_iter->is_valid = true; |
07245ac2 | 474 | BT_MOVE(muxer_upstream_notif_iter->notif, notif); |
ab11110e PP |
475 | break; |
476 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
089717de PP |
477 | /* |
478 | * Notification iterator's current notification is not | |
479 | * valid anymore. Return | |
480 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN | |
481 | * immediately. | |
482 | */ | |
fed72692 | 483 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_AGAIN."); |
089717de | 484 | muxer_upstream_notif_iter->is_valid = false; |
ab11110e | 485 | break; |
beed0223 MD |
486 | case BT_NOTIFICATION_ITERATOR_STATUS_END: /* Fall-through. */ |
487 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
ab11110e PP |
488 | /* |
489 | * Notification iterator reached the end: release it. It | |
490 | * won't be considered again to find the youngest | |
491 | * notification. | |
492 | */ | |
fed72692 | 493 | BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_END or BT_NOTIFICATION_ITERATOR_STATUS_CANCELED."); |
ab11110e | 494 | BT_PUT(muxer_upstream_notif_iter->notif_iter); |
089717de PP |
495 | muxer_upstream_notif_iter->is_valid = false; |
496 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
497 | break; | |
ab11110e PP |
498 | default: |
499 | /* Error or unsupported status code */ | |
fed72692 PP |
500 | BT_LOGE("Error or unsupported status code: " |
501 | "status-code=%d", status); | |
089717de PP |
502 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
503 | break; | |
ab11110e PP |
504 | } |
505 | ||
07245ac2 | 506 | BT_ASSERT(!notif); |
089717de | 507 | return status; |
ab11110e PP |
508 | } |
509 | ||
510 | static | |
089717de | 511 | int muxer_notif_iter_handle_newly_connected_ports( |
ab11110e PP |
512 | struct muxer_notif_iter *muxer_notif_iter) |
513 | { | |
ab11110e PP |
514 | int ret = 0; |
515 | ||
fed72692 PP |
516 | BT_LOGV("Handling newly connected ports: " |
517 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
518 | ||
ab11110e PP |
519 | /* |
520 | * Here we create one upstream notification iterator for each | |
089717de PP |
521 | * newly connected port. We do not perform an initial "next" on |
522 | * those new upstream notification iterators: they are | |
523 | * invalidated, to be validated later. The list of newly | |
524 | * connected ports to handle here is updated by | |
525 | * muxer_port_connected(). | |
ab11110e PP |
526 | */ |
527 | while (true) { | |
528 | GList *node = muxer_notif_iter->newly_connected_priv_ports; | |
529 | struct bt_private_port *priv_port; | |
530 | struct bt_port *port; | |
531 | struct bt_notification_iterator *upstream_notif_iter = NULL; | |
532 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; | |
533 | ||
534 | if (!node) { | |
535 | break; | |
536 | } | |
537 | ||
538 | priv_port = node->data; | |
5c563278 | 539 | port = bt_port_borrow_from_private(priv_port); |
f6ccaed9 | 540 | BT_ASSERT(port); |
ab11110e PP |
541 | |
542 | if (!bt_port_is_connected(port)) { | |
543 | /* | |
544 | * Looks like this port is not connected | |
545 | * anymore: we can't create an upstream | |
089717de PP |
546 | * notification iterator on its (non-existing) |
547 | * connection in this case. | |
ab11110e PP |
548 | */ |
549 | goto remove_node; | |
550 | } | |
551 | ||
ab11110e PP |
552 | upstream_notif_iter = create_notif_iter_on_input_port(priv_port, |
553 | &ret); | |
554 | if (ret) { | |
fed72692 | 555 | /* create_notif_iter_on_input_port() logs errors */ |
f6ccaed9 | 556 | BT_ASSERT(!upstream_notif_iter); |
ab11110e PP |
557 | goto error; |
558 | } | |
559 | ||
560 | muxer_upstream_notif_iter = | |
561 | muxer_notif_iter_add_upstream_notif_iter( | |
562 | muxer_notif_iter, upstream_notif_iter, | |
563 | priv_port); | |
ab11110e PP |
564 | BT_PUT(upstream_notif_iter); |
565 | if (!muxer_upstream_notif_iter) { | |
fed72692 PP |
566 | /* |
567 | * muxer_notif_iter_add_upstream_notif_iter() | |
568 | * logs errors. | |
569 | */ | |
ab11110e PP |
570 | goto error; |
571 | } | |
572 | ||
ab11110e PP |
573 | remove_node: |
574 | bt_put(upstream_notif_iter); | |
ab11110e PP |
575 | muxer_notif_iter->newly_connected_priv_ports = |
576 | g_list_delete_link( | |
577 | muxer_notif_iter->newly_connected_priv_ports, | |
578 | node); | |
579 | } | |
580 | ||
581 | goto end; | |
582 | ||
583 | error: | |
089717de | 584 | if (ret >= 0) { |
ab11110e PP |
585 | ret = -1; |
586 | } | |
587 | ||
588 | end: | |
ab11110e PP |
589 | return ret; |
590 | } | |
591 | ||
958f7d11 PP |
592 | static |
593 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 594 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
595 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
596 | int64_t *ts_ns) | |
597 | { | |
598 | struct bt_clock_class_priority_map *cc_prio_map = NULL; | |
50842bdc PP |
599 | struct bt_clock_class *clock_class = NULL; |
600 | struct bt_clock_value *clock_value = NULL; | |
601 | struct bt_event *event = NULL; | |
958f7d11 | 602 | int ret = 0; |
282c8cd0 | 603 | const unsigned char *cc_uuid; |
fed72692 | 604 | const char *cc_name; |
958f7d11 | 605 | |
f6ccaed9 PP |
606 | BT_ASSERT(notif); |
607 | BT_ASSERT(ts_ns); | |
958f7d11 | 608 | |
fed72692 PP |
609 | BT_LOGV("Getting notification's timestamp: " |
610 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
611 | "last-returned-ts=%" PRId64, | |
612 | muxer_notif_iter, notif, last_returned_ts_ns); | |
613 | ||
958f7d11 PP |
614 | switch (bt_notification_get_type(notif)) { |
615 | case BT_NOTIFICATION_TYPE_EVENT: | |
616 | cc_prio_map = | |
778f1ddd | 617 | bt_notification_event_borrow_clock_class_priority_map( |
958f7d11 PP |
618 | notif); |
619 | break; | |
620 | ||
621 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
622 | cc_prio_map = | |
778f1ddd | 623 | bt_notification_inactivity_borrow_clock_class_priority_map( |
958f7d11 PP |
624 | notif); |
625 | break; | |
626 | default: | |
089717de | 627 | /* All the other notifications have a higher priority */ |
fed72692 | 628 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
629 | *ts_ns = last_returned_ts_ns; |
630 | goto end; | |
631 | } | |
632 | ||
633 | if (!cc_prio_map) { | |
fed72692 PP |
634 | BT_LOGE("Cannot get notification's clock class priority map: " |
635 | "notif-addr=%p", notif); | |
958f7d11 PP |
636 | goto error; |
637 | } | |
638 | ||
639 | /* | |
640 | * If the clock class priority map is empty, then we consider | |
641 | * that this notification has no time. In this case it's always | |
642 | * the youngest. | |
643 | */ | |
644 | if (bt_clock_class_priority_map_get_clock_class_count(cc_prio_map) == 0) { | |
63f99cca | 645 | BT_LOGV_STR("Notification's clock class priority map contains 0 clock classes: " |
fed72692 | 646 | "using the last returned timestamp."); |
958f7d11 PP |
647 | *ts_ns = last_returned_ts_ns; |
648 | goto end; | |
649 | } | |
650 | ||
651 | clock_class = | |
778f1ddd | 652 | bt_clock_class_priority_map_borrow_highest_priority_clock_class( |
958f7d11 PP |
653 | cc_prio_map); |
654 | if (!clock_class) { | |
fed72692 PP |
655 | BT_LOGE("Cannot get the clock class with the highest priority from clock class priority map: " |
656 | "cc-prio-map-addr=%p", cc_prio_map); | |
958f7d11 PP |
657 | goto error; |
658 | } | |
659 | ||
50842bdc PP |
660 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
661 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 PP |
662 | |
663 | if (muxer_notif_iter->clock_class_expectation == | |
664 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
665 | /* | |
666 | * This is the first clock class that this muxer | |
667 | * notification iterator encounters. Its properties | |
668 | * determine what to expect for the whole lifetime of | |
669 | * the iterator without a true | |
670 | * `assume-absolute-clock-classes` parameter. | |
671 | */ | |
50842bdc | 672 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 PP |
673 | /* Expect absolute clock classes */ |
674 | muxer_notif_iter->clock_class_expectation = | |
675 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
676 | } else { | |
677 | if (cc_uuid) { | |
678 | /* | |
679 | * Expect non-absolute clock classes | |
680 | * with a specific UUID. | |
681 | */ | |
682 | muxer_notif_iter->clock_class_expectation = | |
683 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
684 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
685 | cc_uuid, BABELTRACE_UUID_LEN); | |
686 | } else { | |
687 | /* | |
688 | * Expect non-absolute clock classes | |
689 | * with no UUID. | |
690 | */ | |
691 | muxer_notif_iter->clock_class_expectation = | |
692 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
693 | } | |
694 | } | |
695 | } | |
696 | ||
697 | if (!muxer_comp->assume_absolute_clock_classes) { | |
698 | switch (muxer_notif_iter->clock_class_expectation) { | |
699 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
50842bdc | 700 | if (!bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
701 | BT_LOGE("Expecting an absolute clock class, " |
702 | "but got a non-absolute one: " | |
703 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
704 | clock_class, cc_name); | |
282c8cd0 PP |
705 | goto error; |
706 | } | |
707 | break; | |
708 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
50842bdc | 709 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
710 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
711 | "but got an absolute one: " | |
712 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
713 | clock_class, cc_name); | |
282c8cd0 PP |
714 | goto error; |
715 | } | |
716 | ||
717 | if (cc_uuid) { | |
fed72692 PP |
718 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
719 | "but got one with a UUID: " | |
720 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
721 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
722 | clock_class, cc_name, | |
723 | (unsigned int) cc_uuid[0], | |
724 | (unsigned int) cc_uuid[1], | |
725 | (unsigned int) cc_uuid[2], | |
726 | (unsigned int) cc_uuid[3], | |
727 | (unsigned int) cc_uuid[4], | |
728 | (unsigned int) cc_uuid[5], | |
729 | (unsigned int) cc_uuid[6], | |
730 | (unsigned int) cc_uuid[7], | |
731 | (unsigned int) cc_uuid[8], | |
732 | (unsigned int) cc_uuid[9], | |
733 | (unsigned int) cc_uuid[10], | |
734 | (unsigned int) cc_uuid[11], | |
735 | (unsigned int) cc_uuid[12], | |
736 | (unsigned int) cc_uuid[13], | |
737 | (unsigned int) cc_uuid[14], | |
738 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
739 | goto error; |
740 | } | |
741 | break; | |
742 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
50842bdc | 743 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
744 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
745 | "but got an absolute one: " | |
746 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
747 | clock_class, cc_name); | |
282c8cd0 PP |
748 | goto error; |
749 | } | |
750 | ||
751 | if (!cc_uuid) { | |
fed72692 PP |
752 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
753 | "but got one with no UUID: " | |
754 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
755 | clock_class, cc_name); | |
282c8cd0 PP |
756 | goto error; |
757 | } | |
758 | ||
759 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
760 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
fed72692 PP |
761 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
762 | "but got one with different UUID: " | |
763 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
764 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
765 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
766 | clock_class, cc_name, | |
767 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
768 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
769 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
770 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
771 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
772 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
773 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
774 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
775 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
776 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
777 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
778 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
779 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
780 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
781 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
782 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
783 | (unsigned int) cc_uuid[0], | |
784 | (unsigned int) cc_uuid[1], | |
785 | (unsigned int) cc_uuid[2], | |
786 | (unsigned int) cc_uuid[3], | |
787 | (unsigned int) cc_uuid[4], | |
788 | (unsigned int) cc_uuid[5], | |
789 | (unsigned int) cc_uuid[6], | |
790 | (unsigned int) cc_uuid[7], | |
791 | (unsigned int) cc_uuid[8], | |
792 | (unsigned int) cc_uuid[9], | |
793 | (unsigned int) cc_uuid[10], | |
794 | (unsigned int) cc_uuid[11], | |
795 | (unsigned int) cc_uuid[12], | |
796 | (unsigned int) cc_uuid[13], | |
797 | (unsigned int) cc_uuid[14], | |
798 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
799 | goto error; |
800 | } | |
801 | break; | |
802 | default: | |
803 | /* Unexpected */ | |
fed72692 PP |
804 | BT_LOGF("Unexpected clock class expectation: " |
805 | "expectation-code=%d", | |
806 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
807 | abort(); |
808 | } | |
958f7d11 PP |
809 | } |
810 | ||
811 | switch (bt_notification_get_type(notif)) { | |
812 | case BT_NOTIFICATION_TYPE_EVENT: | |
778f1ddd | 813 | event = bt_notification_event_borrow_event(notif); |
f6ccaed9 | 814 | BT_ASSERT(event); |
778f1ddd | 815 | clock_value = bt_event_borrow_clock_value(event, |
958f7d11 PP |
816 | clock_class); |
817 | break; | |
818 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
778f1ddd | 819 | clock_value = bt_notification_inactivity_borrow_clock_value( |
958f7d11 PP |
820 | notif, clock_class); |
821 | break; | |
822 | default: | |
fed72692 PP |
823 | BT_LOGF("Unexpected notification type at this point: " |
824 | "type=%d", bt_notification_get_type(notif)); | |
0fbb9a9f | 825 | abort(); |
958f7d11 PP |
826 | } |
827 | ||
828 | if (!clock_value) { | |
fed72692 PP |
829 | BT_LOGE("Cannot get notification's clock value for clock class: " |
830 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
831 | clock_class, cc_name); | |
958f7d11 PP |
832 | goto error; |
833 | } | |
834 | ||
50842bdc | 835 | ret = bt_clock_value_get_value_ns_from_epoch(clock_value, ts_ns); |
958f7d11 | 836 | if (ret) { |
fed72692 PP |
837 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
838 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
839 | goto error; |
840 | } | |
841 | ||
842 | goto end; | |
843 | ||
844 | error: | |
845 | ret = -1; | |
846 | ||
847 | end: | |
fed72692 PP |
848 | if (ret == 0) { |
849 | BT_LOGV("Found notification's timestamp: " | |
850 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
851 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
852 | muxer_notif_iter, notif, last_returned_ts_ns, | |
853 | *ts_ns); | |
854 | } | |
855 | ||
958f7d11 PP |
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 | ||
f6ccaed9 PP |
890 | BT_ASSERT(muxer_comp); |
891 | BT_ASSERT(muxer_notif_iter); | |
892 | BT_ASSERT(muxer_upstream_notif_iter); | |
958f7d11 PP |
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 | ||
f6ccaed9 | 909 | BT_ASSERT(cur_muxer_upstream_notif_iter->is_valid); |
07245ac2 | 910 | notif = cur_muxer_upstream_notif_iter->notif; |
f6ccaed9 | 911 | BT_ASSERT(notif); |
282c8cd0 | 912 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 | 913 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
958f7d11 | 914 | if (ret) { |
fed72692 | 915 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
916 | *muxer_upstream_notif_iter = NULL; |
917 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
918 | goto end; | |
919 | } | |
920 | ||
921 | if (notif_ts_ns <= youngest_ts_ns) { | |
922 | *muxer_upstream_notif_iter = | |
923 | cur_muxer_upstream_notif_iter; | |
924 | youngest_ts_ns = notif_ts_ns; | |
925 | *ts_ns = youngest_ts_ns; | |
926 | } | |
927 | } | |
928 | ||
929 | if (!*muxer_upstream_notif_iter) { | |
930 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
931 | *ts_ns = INT64_MIN; | |
932 | } | |
933 | ||
934 | end: | |
935 | return status; | |
936 | } | |
937 | ||
938 | static | |
089717de PP |
939 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
940 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 941 | { |
089717de PP |
942 | enum bt_notification_iterator_status status = |
943 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 944 | |
fed72692 PP |
945 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
946 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
947 | muxer_upstream_notif_iter); | |
948 | ||
089717de PP |
949 | if (muxer_upstream_notif_iter->is_valid || |
950 | !muxer_upstream_notif_iter->notif_iter) { | |
ab11110e PP |
951 | goto end; |
952 | } | |
953 | ||
fed72692 | 954 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
955 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
956 | ||
957 | end: | |
958 | return status; | |
959 | } | |
960 | ||
961 | static | |
962 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
963 | struct muxer_notif_iter *muxer_notif_iter) | |
964 | { | |
965 | enum bt_notification_iterator_status status = | |
966 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
967 | size_t i; | |
968 | ||
fed72692 PP |
969 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
970 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
971 | ||
089717de PP |
972 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
973 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
974 | g_ptr_array_index( | |
975 | muxer_notif_iter->muxer_upstream_notif_iters, | |
976 | i); | |
977 | ||
978 | status = validate_muxer_upstream_notif_iter( | |
979 | muxer_upstream_notif_iter); | |
980 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
fed72692 PP |
981 | if (status < 0) { |
982 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
983 | "muxer-notif-iter-addr=%p, " | |
984 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
985 | muxer_notif_iter, | |
986 | muxer_upstream_notif_iter); | |
987 | } else { | |
988 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
989 | "muxer-notif-iter-addr=%p, " | |
990 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
991 | muxer_notif_iter, | |
992 | muxer_upstream_notif_iter); | |
993 | } | |
994 | ||
089717de PP |
995 | goto end; |
996 | } | |
744ba28b PP |
997 | |
998 | /* | |
999 | * Remove this muxer upstream notification iterator | |
1000 | * if it's ended or canceled. | |
1001 | */ | |
1002 | if (!muxer_upstream_notif_iter->notif_iter) { | |
1003 | /* | |
1004 | * Use g_ptr_array_remove_fast() because the | |
1005 | * order of those elements is not important. | |
1006 | */ | |
fed72692 PP |
1007 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
1008 | "muxer-notif-iter-addr=%p, " | |
1009 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
1010 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
1011 | g_ptr_array_remove_index_fast( |
1012 | muxer_notif_iter->muxer_upstream_notif_iters, | |
1013 | i); | |
1014 | i--; | |
1015 | } | |
089717de PP |
1016 | } |
1017 | ||
1018 | end: | |
1019 | return status; | |
1020 | } | |
1021 | ||
1022 | static | |
90157d89 | 1023 | struct bt_notification_iterator_next_method_return muxer_notif_iter_do_next( |
089717de PP |
1024 | struct muxer_comp *muxer_comp, |
1025 | struct muxer_notif_iter *muxer_notif_iter) | |
1026 | { | |
1027 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; | |
90157d89 | 1028 | struct bt_notification_iterator_next_method_return next_return = { |
089717de PP |
1029 | .notification = NULL, |
1030 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, | |
1031 | }; | |
1032 | int64_t next_return_ts; | |
1033 | ||
1034 | while (true) { | |
1035 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1036 | muxer_notif_iter); | |
1037 | ||
1038 | if (ret) { | |
fed72692 PP |
1039 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1040 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1041 | "ret=%d", | |
1042 | muxer_comp, muxer_notif_iter, ret); | |
089717de PP |
1043 | next_return.status = |
1044 | BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1045 | goto end; | |
1046 | } | |
1047 | ||
1048 | next_return.status = | |
1049 | validate_muxer_upstream_notif_iters(muxer_notif_iter); | |
1050 | if (next_return.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
3823b499 | 1051 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1052 | goto end; |
1053 | } | |
ab11110e | 1054 | |
958f7d11 | 1055 | /* |
089717de PP |
1056 | * At this point, we know that all the existing upstream |
1057 | * notification iterators are valid. However the | |
1058 | * operations to validate them (during | |
1059 | * validate_muxer_upstream_notif_iters()) may have | |
1060 | * connected new ports. If no ports were connected | |
1061 | * during this operation, exit the loop. | |
958f7d11 | 1062 | */ |
089717de | 1063 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1064 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1065 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1066 | break; |
1067 | } | |
958f7d11 PP |
1068 | } |
1069 | ||
f6ccaed9 | 1070 | BT_ASSERT(!muxer_notif_iter->newly_connected_priv_ports); |
089717de | 1071 | |
958f7d11 | 1072 | /* |
089717de PP |
1073 | * At this point we know that all the existing upstream |
1074 | * notification iterators are valid. We can find the one, | |
1075 | * amongst those, of which the current notification is the | |
1076 | * youngest. | |
958f7d11 | 1077 | */ |
089717de | 1078 | next_return.status = |
958f7d11 PP |
1079 | muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
1080 | muxer_notif_iter, &muxer_upstream_notif_iter, | |
089717de PP |
1081 | &next_return_ts); |
1082 | if (next_return.status < 0 || | |
beed0223 MD |
1083 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1084 | next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
fed72692 PP |
1085 | if (next_return.status < 0) { |
1086 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " | |
1087 | "status=%s", | |
1088 | bt_notification_iterator_status_string(next_return.status)); | |
1089 | } else { | |
1090 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1091 | "status=%s", | |
1092 | bt_notification_iterator_status_string(next_return.status)); | |
1093 | } | |
1094 | ||
958f7d11 PP |
1095 | goto end; |
1096 | } | |
1097 | ||
089717de | 1098 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
fed72692 PP |
1099 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1100 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1101 | "last-returned-ts=%" PRId64, | |
1102 | muxer_notif_iter, next_return_ts, | |
1103 | muxer_notif_iter->last_returned_ts_ns); | |
089717de | 1104 | next_return.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1105 | goto end; |
1106 | } | |
1107 | ||
fed72692 PP |
1108 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1109 | "muxer-notif-iter-addr=%p, " | |
1110 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1111 | "ts=%" PRId64, | |
1112 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
f6ccaed9 PP |
1113 | BT_ASSERT(next_return.status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
1114 | BT_ASSERT(muxer_upstream_notif_iter); | |
07245ac2 | 1115 | next_return.notification = bt_get(muxer_upstream_notif_iter->notif); |
f6ccaed9 | 1116 | BT_ASSERT(next_return.notification); |
958f7d11 PP |
1117 | |
1118 | /* | |
089717de PP |
1119 | * We invalidate the upstream notification iterator so that, the |
1120 | * next time this function is called, | |
1121 | * validate_muxer_upstream_notif_iters() will make it valid. | |
958f7d11 | 1122 | */ |
089717de PP |
1123 | muxer_upstream_notif_iter->is_valid = false; |
1124 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1125 | |
1126 | end: | |
089717de | 1127 | return next_return; |
958f7d11 PP |
1128 | } |
1129 | ||
1130 | static | |
ab11110e PP |
1131 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1132 | { | |
ab11110e PP |
1133 | if (!muxer_notif_iter) { |
1134 | return; | |
1135 | } | |
1136 | ||
fed72692 PP |
1137 | BT_LOGD("Destroying muxer component's notification iterator: " |
1138 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1139 | ||
ab11110e | 1140 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
fed72692 | 1141 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1142 | g_ptr_array_free( |
1143 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1144 | } | |
1145 | ||
ab11110e PP |
1146 | g_list_free(muxer_notif_iter->newly_connected_priv_ports); |
1147 | g_free(muxer_notif_iter); | |
1148 | } | |
1149 | ||
1150 | static | |
1151 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1152 | struct muxer_notif_iter *muxer_notif_iter) |
1153 | { | |
ab11110e | 1154 | struct bt_component *comp; |
544d0515 PP |
1155 | int64_t count; |
1156 | int64_t i; | |
ab11110e | 1157 | int ret = 0; |
958f7d11 | 1158 | |
ab11110e PP |
1159 | /* |
1160 | * Add the connected input ports to this muxer notification | |
1161 | * iterator's list of newly connected ports. They will be | |
1162 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1163 | */ | |
5c563278 | 1164 | comp = bt_component_borrow_from_private(muxer_comp->priv_comp); |
f6ccaed9 | 1165 | BT_ASSERT(comp); |
544d0515 PP |
1166 | count = bt_component_filter_get_input_port_count(comp); |
1167 | if (count < 0) { | |
fed72692 PP |
1168 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1169 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1170 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1171 | goto end; |
1172 | } | |
958f7d11 PP |
1173 | |
1174 | for (i = 0; i < count; i++) { | |
1175 | struct bt_private_port *priv_port = | |
9ac68eb1 | 1176 | bt_private_component_filter_get_input_private_port_by_index( |
958f7d11 PP |
1177 | muxer_comp->priv_comp, i); |
1178 | struct bt_port *port; | |
958f7d11 | 1179 | |
f6ccaed9 | 1180 | BT_ASSERT(priv_port); |
5c563278 | 1181 | port = bt_port_borrow_from_private(priv_port); |
f6ccaed9 | 1182 | BT_ASSERT(port); |
958f7d11 PP |
1183 | |
1184 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1185 | BT_LOGD("Skipping input port: not connected: " |
1186 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1187 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 PP |
1188 | bt_put(priv_port); |
1189 | continue; | |
1190 | } | |
1191 | ||
06a2cb0d | 1192 | bt_put(priv_port); |
ab11110e PP |
1193 | muxer_notif_iter->newly_connected_priv_ports = |
1194 | g_list_append( | |
1195 | muxer_notif_iter->newly_connected_priv_ports, | |
958f7d11 | 1196 | priv_port); |
ab11110e | 1197 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1198 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1199 | "port-addr=%p, port-name=\"%s\", " | |
1200 | "muxer-notif-iter-addr=%p", port, | |
1201 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1202 | ret = -1; |
1203 | goto end; | |
958f7d11 | 1204 | } |
fed72692 PP |
1205 | |
1206 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1207 | "port-addr=%p, port-name=\"%s\", " | |
1208 | "muxer-notif-iter-addr=%p", port, | |
1209 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1210 | } |
1211 | ||
1212 | end: | |
958f7d11 PP |
1213 | return ret; |
1214 | } | |
1215 | ||
958f7d11 PP |
1216 | BT_HIDDEN |
1217 | enum bt_notification_iterator_status muxer_notif_iter_init( | |
90157d89 | 1218 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, |
958f7d11 PP |
1219 | struct bt_private_port *output_priv_port) |
1220 | { | |
1221 | struct muxer_comp *muxer_comp = NULL; | |
1222 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
1223 | struct bt_private_component *priv_comp = NULL; | |
1224 | enum bt_notification_iterator_status status = | |
1225 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1226 | int ret; | |
1227 | ||
90157d89 | 1228 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1229 | priv_notif_iter); |
f6ccaed9 | 1230 | BT_ASSERT(priv_comp); |
958f7d11 | 1231 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
f6ccaed9 | 1232 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1233 | BT_LOGD("Initializing muxer component's notification iterator: " |
1234 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1235 | priv_comp, muxer_comp, priv_notif_iter); | |
a09c6b95 PP |
1236 | |
1237 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1238 | /* | |
089717de PP |
1239 | * Weird, unhandled situation detected: downstream |
1240 | * creates a muxer notification iterator while creating | |
1241 | * another muxer notification iterator (same component). | |
a09c6b95 | 1242 | */ |
fed72692 PP |
1243 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1244 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1245 | priv_comp, muxer_comp, priv_notif_iter); | |
958f7d11 PP |
1246 | goto error; |
1247 | } | |
1248 | ||
a09c6b95 PP |
1249 | muxer_comp->initializing_muxer_notif_iter = true; |
1250 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1251 | if (!muxer_notif_iter) { | |
fed72692 | 1252 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1253 | goto error; |
1254 | } | |
1255 | ||
958f7d11 PP |
1256 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1257 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1258 | g_ptr_array_new_with_free_func( | |
1259 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1260 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
fed72692 | 1261 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1262 | goto error; |
1263 | } | |
1264 | ||
a09c6b95 PP |
1265 | /* |
1266 | * Add the muxer notification iterator to the component's array | |
1267 | * of muxer notification iterators here because | |
1268 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1269 | * muxer_port_connected() to be called, which adds the newly | |
1270 | * connected port to each muxer notification iterator's list of | |
1271 | * newly connected ports. | |
1272 | */ | |
1273 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1274 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1275 | muxer_notif_iter); | |
1276 | if (ret) { | |
fed72692 PP |
1277 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1278 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1279 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
1280 | priv_comp, muxer_comp, muxer_notif_iter, | |
1281 | priv_notif_iter, ret); | |
a09c6b95 PP |
1282 | goto error; |
1283 | } | |
1284 | ||
90157d89 | 1285 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 | 1286 | muxer_notif_iter); |
f6ccaed9 | 1287 | BT_ASSERT(ret == 0); |
fed72692 PP |
1288 | BT_LOGD("Initialized muxer component's notification iterator: " |
1289 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1290 | "notif-iter-addr=%p", | |
1291 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1292 | goto end; |
1293 | ||
1294 | error: | |
a09c6b95 PP |
1295 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1296 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1297 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1298 | muxer_comp->muxer_notif_iters->len - 1); | |
1299 | } | |
1300 | ||
958f7d11 | 1301 | destroy_muxer_notif_iter(muxer_notif_iter); |
90157d89 | 1302 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 | 1303 | NULL); |
f6ccaed9 | 1304 | BT_ASSERT(ret == 0); |
958f7d11 PP |
1305 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
1306 | ||
1307 | end: | |
a09c6b95 | 1308 | muxer_comp->initializing_muxer_notif_iter = false; |
958f7d11 PP |
1309 | bt_put(priv_comp); |
1310 | return status; | |
1311 | } | |
1312 | ||
1313 | BT_HIDDEN | |
1314 | void muxer_notif_iter_finalize( | |
90157d89 | 1315 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) |
958f7d11 PP |
1316 | { |
1317 | struct muxer_notif_iter *muxer_notif_iter = | |
90157d89 | 1318 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1319 | struct bt_private_component *priv_comp = NULL; |
1320 | struct muxer_comp *muxer_comp = NULL; | |
1321 | ||
90157d89 | 1322 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1323 | priv_notif_iter); |
f6ccaed9 | 1324 | BT_ASSERT(priv_comp); |
958f7d11 | 1325 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
fed72692 PP |
1326 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1327 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1328 | "notif-iter-addr=%p", | |
1329 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1330 | |
1331 | if (muxer_comp) { | |
1332 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1333 | muxer_notif_iter); | |
1334 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1335 | } | |
1336 | ||
1337 | bt_put(priv_comp); | |
1338 | } | |
1339 | ||
1340 | BT_HIDDEN | |
90157d89 PP |
1341 | struct bt_notification_iterator_next_method_return muxer_notif_iter_next( |
1342 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) | |
958f7d11 | 1343 | { |
90157d89 | 1344 | struct bt_notification_iterator_next_method_return next_ret; |
958f7d11 | 1345 | struct muxer_notif_iter *muxer_notif_iter = |
90157d89 | 1346 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1347 | struct bt_private_component *priv_comp = NULL; |
1348 | struct muxer_comp *muxer_comp = NULL; | |
958f7d11 | 1349 | |
f6ccaed9 | 1350 | BT_ASSERT(muxer_notif_iter); |
90157d89 | 1351 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1352 | priv_notif_iter); |
f6ccaed9 | 1353 | BT_ASSERT(priv_comp); |
958f7d11 | 1354 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
f6ccaed9 | 1355 | BT_ASSERT(muxer_comp); |
958f7d11 | 1356 | |
fed72692 PP |
1357 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1358 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1359 | "notif-iter-addr=%p", | |
1360 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
1361 | ||
958f7d11 PP |
1362 | /* Are we in an error state set elsewhere? */ |
1363 | if (unlikely(muxer_comp->error)) { | |
fed72692 PP |
1364 | BT_LOGE("Muxer component is already in an error state: returning BT_NOTIFICATION_ITERATOR_STATUS_ERROR: " |
1365 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1366 | "notif-iter-addr=%p", | |
1367 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
089717de PP |
1368 | next_ret.notification = NULL; |
1369 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1370 | goto end; | |
958f7d11 PP |
1371 | } |
1372 | ||
089717de | 1373 | next_ret = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter); |
fed72692 PP |
1374 | if (next_ret.status < 0) { |
1375 | BT_LOGE("Cannot get next notification: " | |
1376 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1377 | "notif-iter-addr=%p, status=%s", | |
1378 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter, | |
1379 | bt_notification_iterator_status_string(next_ret.status)); | |
1380 | } else { | |
1381 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
1382 | "status=%s, notif-addr=%p", | |
1383 | bt_notification_iterator_status_string(next_ret.status), | |
1384 | next_ret.notification); | |
1385 | } | |
958f7d11 PP |
1386 | |
1387 | end: | |
1388 | bt_put(priv_comp); | |
1389 | return next_ret; | |
1390 | } | |
1391 | ||
1392 | BT_HIDDEN | |
1393 | void muxer_port_connected( | |
1394 | struct bt_private_component *priv_comp, | |
1395 | struct bt_private_port *self_private_port, | |
1396 | struct bt_port *other_port) | |
1397 | { | |
1398 | struct bt_port *self_port = | |
5c563278 | 1399 | bt_port_borrow_from_private(self_private_port); |
958f7d11 PP |
1400 | struct muxer_comp *muxer_comp = |
1401 | bt_private_component_get_user_data(priv_comp); | |
1402 | size_t i; | |
06a2cb0d | 1403 | int ret; |
958f7d11 | 1404 | |
f6ccaed9 PP |
1405 | BT_ASSERT(self_port); |
1406 | BT_ASSERT(muxer_comp); | |
fed72692 PP |
1407 | BT_LOGD("Port connected: " |
1408 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1409 | "port-addr=%p, port-name=\"%s\", " | |
1410 | "other-port-addr=%p, other-port-name=\"%s\"", | |
1411 | priv_comp, muxer_comp, self_port, bt_port_get_name(self_port), | |
1412 | other_port, bt_port_get_name(other_port)); | |
958f7d11 | 1413 | |
06a2cb0d PP |
1414 | if (bt_port_get_type(self_port) == BT_PORT_TYPE_OUTPUT) { |
1415 | goto end; | |
958f7d11 PP |
1416 | } |
1417 | ||
1418 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1419 | struct muxer_notif_iter *muxer_notif_iter = | |
1420 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1421 | ||
1422 | /* | |
ab11110e PP |
1423 | * Add this port to the list of newly connected ports |
1424 | * for this muxer notification iterator. We append at | |
1425 | * the end of this list while | |
1426 | * muxer_notif_iter_handle_newly_connected_ports() | |
1427 | * removes the nodes from the beginning. | |
958f7d11 | 1428 | */ |
ab11110e PP |
1429 | muxer_notif_iter->newly_connected_priv_ports = |
1430 | g_list_append( | |
1431 | muxer_notif_iter->newly_connected_priv_ports, | |
06a2cb0d | 1432 | self_private_port); |
ab11110e | 1433 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1434 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1435 | "port-addr=%p, port-name=\"%s\", " | |
1436 | "muxer-notif-iter-addr=%p", self_port, | |
1437 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1438 | muxer_comp->error = true; |
1439 | goto end; | |
1440 | } | |
fed72692 PP |
1441 | |
1442 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1443 | "port-addr=%p, port-name=\"%s\", " | |
1444 | "muxer-notif-iter-addr=%p", self_port, | |
1445 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1446 | } |
1447 | ||
06a2cb0d PP |
1448 | /* One less available input port */ |
1449 | muxer_comp->available_input_ports--; | |
1450 | ret = ensure_available_input_port(priv_comp); | |
1451 | if (ret) { | |
1452 | /* | |
1453 | * Only way to report an error later since this | |
1454 | * method does not return anything. | |
1455 | */ | |
fed72692 PP |
1456 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1457 | "muxer-comp-addr=%p, status=%s", | |
1458 | muxer_comp, bt_component_status_string(ret)); | |
06a2cb0d PP |
1459 | muxer_comp->error = true; |
1460 | goto end; | |
1461 | } | |
1462 | ||
958f7d11 | 1463 | end: |
5c563278 | 1464 | return; |
958f7d11 PP |
1465 | } |
1466 | ||
1467 | BT_HIDDEN | |
1468 | void muxer_port_disconnected(struct bt_private_component *priv_comp, | |
1469 | struct bt_private_port *priv_port) | |
1470 | { | |
5c563278 | 1471 | struct bt_port *port = bt_port_borrow_from_private(priv_port); |
958f7d11 PP |
1472 | struct muxer_comp *muxer_comp = |
1473 | bt_private_component_get_user_data(priv_comp); | |
1474 | ||
f6ccaed9 PP |
1475 | BT_ASSERT(port); |
1476 | BT_ASSERT(muxer_comp); | |
fed72692 PP |
1477 | BT_LOGD("Port disconnected: " |
1478 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1479 | "port-name=\"%s\"", priv_comp, muxer_comp, | |
1480 | port, bt_port_get_name(port)); | |
958f7d11 | 1481 | |
ab11110e PP |
1482 | /* |
1483 | * There's nothing special to do when a port is disconnected | |
1484 | * because this component deals with upstream notification | |
1485 | * iterators which were already created thanks to connected | |
1486 | * ports. The fact that the port is disconnected does not cancel | |
1487 | * the upstream notification iterators created using its | |
089717de PP |
1488 | * connection: they still exist, even if the connection is dead. |
1489 | * The only way to remove an upstream notification iterator is | |
1490 | * for its "next" operation to return | |
1491 | * BT_NOTIFICATION_ITERATOR_STATUS_END. | |
ab11110e | 1492 | */ |
958f7d11 PP |
1493 | if (bt_port_get_type(port) == BT_PORT_TYPE_INPUT) { |
1494 | /* One more available input port */ | |
1495 | muxer_comp->available_input_ports++; | |
fed72692 PP |
1496 | BT_LOGD("Leaving disconnected input port available for future connections: " |
1497 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1498 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1499 | priv_comp, muxer_comp, port, bt_port_get_name(port), | |
1500 | muxer_comp->available_input_ports); | |
958f7d11 | 1501 | } |
958f7d11 | 1502 | } |