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; | |
a09c6b95 | 55 | bool initializing_muxer_notif_iter; |
282c8cd0 | 56 | bool assume_absolute_clock_classes; |
958f7d11 PP |
57 | }; |
58 | ||
59 | struct muxer_upstream_notif_iter { | |
ab11110e | 60 | /* Owned by this, NULL if ended */ |
958f7d11 PP |
61 | struct bt_notification_iterator *notif_iter; |
62 | ||
d4393e08 PP |
63 | /* Contains `struct bt_notification *`, owned by this */ |
64 | GQueue *notifs; | |
958f7d11 PP |
65 | }; |
66 | ||
282c8cd0 PP |
67 | enum muxer_notif_iter_clock_class_expectation { |
68 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
69 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
70 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
71 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
72 | }; | |
73 | ||
958f7d11 | 74 | struct muxer_notif_iter { |
ab11110e PP |
75 | /* |
76 | * Array of struct muxer_upstream_notif_iter * (owned by this). | |
77 | * | |
78 | * NOTE: This array is searched in linearly to find the youngest | |
79 | * current notification. Keep this until benchmarks confirm that | |
80 | * another data structure is faster than this for our typical | |
81 | * use cases. | |
82 | */ | |
958f7d11 PP |
83 | GPtrArray *muxer_upstream_notif_iters; |
84 | ||
ab11110e | 85 | /* |
06a2cb0d | 86 | * List of "recently" connected input ports (weak) to |
ab11110e PP |
87 | * handle by this muxer notification iterator. |
88 | * muxer_port_connected() adds entries to this list, and the | |
89 | * entries are removed when a notification iterator is created | |
90 | * on the port's connection and put into | |
91 | * muxer_upstream_notif_iters above by | |
92 | * muxer_notif_iter_handle_newly_connected_ports(). | |
93 | */ | |
94 | GList *newly_connected_priv_ports; | |
958f7d11 | 95 | |
958f7d11 PP |
96 | /* Last time returned in a notification */ |
97 | int64_t last_returned_ts_ns; | |
282c8cd0 PP |
98 | |
99 | /* Clock class expectation state */ | |
100 | enum muxer_notif_iter_clock_class_expectation clock_class_expectation; | |
101 | ||
102 | /* | |
103 | * Expected clock class UUID, only valid when | |
104 | * clock_class_expectation is | |
105 | * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. | |
106 | */ | |
107 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
108 | }; |
109 | ||
ab11110e PP |
110 | static |
111 | void destroy_muxer_upstream_notif_iter( | |
112 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
113 | { | |
114 | if (!muxer_upstream_notif_iter) { | |
115 | return; | |
116 | } | |
117 | ||
fed72692 | 118 | BT_LOGD("Destroying muxer's upstream notification iterator wrapper: " |
d4393e08 | 119 | "addr=%p, notif-iter-addr=%p, queue-len=%u", |
fed72692 PP |
120 | muxer_upstream_notif_iter, |
121 | muxer_upstream_notif_iter->notif_iter, | |
d4393e08 | 122 | muxer_upstream_notif_iter->notifs->length); |
ab11110e | 123 | bt_put(muxer_upstream_notif_iter->notif_iter); |
d4393e08 PP |
124 | |
125 | if (muxer_upstream_notif_iter->notifs) { | |
126 | struct bt_notification *notif; | |
127 | ||
128 | while ((notif = g_queue_pop_head( | |
129 | muxer_upstream_notif_iter->notifs))) { | |
130 | bt_put(notif); | |
131 | } | |
132 | ||
133 | g_queue_free(muxer_upstream_notif_iter->notifs); | |
134 | } | |
135 | ||
ab11110e PP |
136 | g_free(muxer_upstream_notif_iter); |
137 | } | |
138 | ||
958f7d11 PP |
139 | static |
140 | struct muxer_upstream_notif_iter *muxer_notif_iter_add_upstream_notif_iter( | |
141 | struct muxer_notif_iter *muxer_notif_iter, | |
142 | struct bt_notification_iterator *notif_iter, | |
143 | struct bt_private_port *priv_port) | |
144 | { | |
145 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
146 | g_new0(struct muxer_upstream_notif_iter, 1); | |
147 | ||
148 | if (!muxer_upstream_notif_iter) { | |
fed72692 | 149 | BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper."); |
958f7d11 PP |
150 | goto end; |
151 | } | |
152 | ||
153 | muxer_upstream_notif_iter->notif_iter = bt_get(notif_iter); | |
d4393e08 PP |
154 | muxer_upstream_notif_iter->notifs = g_queue_new(); |
155 | if (!muxer_upstream_notif_iter->notifs) { | |
156 | BT_LOGE_STR("Failed to allocate a GQueue."); | |
157 | ||
158 | goto end; | |
159 | } | |
160 | ||
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; |
d4393e08 PP |
455 | bt_notification_array notifs; |
456 | uint64_t i; | |
457 | uint64_t count; | |
ab11110e | 458 | |
fed72692 PP |
459 | BT_LOGV("Calling upstream notification iterator's \"next\" method: " |
460 | "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p", | |
461 | muxer_upstream_notif_iter, | |
462 | muxer_upstream_notif_iter->notif_iter); | |
07245ac2 | 463 | status = bt_private_connection_notification_iterator_next( |
d4393e08 | 464 | muxer_upstream_notif_iter->notif_iter, ¬ifs, &count); |
fed72692 PP |
465 | BT_LOGV("Upstream notification iterator's \"next\" method returned: " |
466 | "status=%s", bt_notification_iterator_status_string(status)); | |
ab11110e | 467 | |
089717de | 468 | switch (status) { |
ab11110e | 469 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
089717de | 470 | /* |
d4393e08 PP |
471 | * Notification iterator's current notification is |
472 | * valid: it must be considered for muxing operations. | |
089717de | 473 | */ |
fed72692 | 474 | BT_LOGV_STR("Validated upstream notification iterator wrapper."); |
d4393e08 PP |
475 | BT_ASSERT(count > 0); |
476 | ||
477 | /* Move notifications to our queue */ | |
478 | for (i = 0; i < count; i++) { | |
479 | /* | |
480 | * Push to tail in order; other side | |
481 | * (muxer_notif_iter_do_next_one()) consumes | |
482 | * from the head first. | |
483 | */ | |
484 | g_queue_push_tail(muxer_upstream_notif_iter->notifs, | |
485 | notifs[i]); | |
486 | } | |
ab11110e PP |
487 | break; |
488 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
089717de PP |
489 | /* |
490 | * Notification iterator's current notification is not | |
491 | * valid anymore. Return | |
d4393e08 | 492 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN immediately. |
089717de | 493 | */ |
ab11110e | 494 | break; |
beed0223 MD |
495 | case BT_NOTIFICATION_ITERATOR_STATUS_END: /* Fall-through. */ |
496 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
ab11110e PP |
497 | /* |
498 | * Notification iterator reached the end: release it. It | |
499 | * won't be considered again to find the youngest | |
500 | * notification. | |
501 | */ | |
502 | BT_PUT(muxer_upstream_notif_iter->notif_iter); | |
089717de PP |
503 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; |
504 | break; | |
ab11110e PP |
505 | default: |
506 | /* Error or unsupported status code */ | |
fed72692 PP |
507 | BT_LOGE("Error or unsupported status code: " |
508 | "status-code=%d", status); | |
089717de PP |
509 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
510 | break; | |
ab11110e PP |
511 | } |
512 | ||
089717de | 513 | return status; |
ab11110e PP |
514 | } |
515 | ||
516 | static | |
089717de | 517 | int muxer_notif_iter_handle_newly_connected_ports( |
ab11110e PP |
518 | struct muxer_notif_iter *muxer_notif_iter) |
519 | { | |
ab11110e PP |
520 | int ret = 0; |
521 | ||
fed72692 PP |
522 | BT_LOGV("Handling newly connected ports: " |
523 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
524 | ||
ab11110e PP |
525 | /* |
526 | * Here we create one upstream notification iterator for each | |
d4393e08 | 527 | * newly connected port. We do NOT perform an initial "next" on |
089717de PP |
528 | * those new upstream notification iterators: they are |
529 | * invalidated, to be validated later. The list of newly | |
530 | * connected ports to handle here is updated by | |
531 | * muxer_port_connected(). | |
ab11110e PP |
532 | */ |
533 | while (true) { | |
534 | GList *node = muxer_notif_iter->newly_connected_priv_ports; | |
535 | struct bt_private_port *priv_port; | |
536 | struct bt_port *port; | |
537 | struct bt_notification_iterator *upstream_notif_iter = NULL; | |
538 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; | |
539 | ||
540 | if (!node) { | |
541 | break; | |
542 | } | |
543 | ||
544 | priv_port = node->data; | |
5c563278 | 545 | port = bt_port_borrow_from_private(priv_port); |
f6ccaed9 | 546 | BT_ASSERT(port); |
ab11110e PP |
547 | |
548 | if (!bt_port_is_connected(port)) { | |
549 | /* | |
550 | * Looks like this port is not connected | |
551 | * anymore: we can't create an upstream | |
089717de PP |
552 | * notification iterator on its (non-existing) |
553 | * connection in this case. | |
ab11110e PP |
554 | */ |
555 | goto remove_node; | |
556 | } | |
557 | ||
ab11110e PP |
558 | upstream_notif_iter = create_notif_iter_on_input_port(priv_port, |
559 | &ret); | |
560 | if (ret) { | |
fed72692 | 561 | /* create_notif_iter_on_input_port() logs errors */ |
f6ccaed9 | 562 | BT_ASSERT(!upstream_notif_iter); |
ab11110e PP |
563 | goto error; |
564 | } | |
565 | ||
566 | muxer_upstream_notif_iter = | |
567 | muxer_notif_iter_add_upstream_notif_iter( | |
568 | muxer_notif_iter, upstream_notif_iter, | |
569 | priv_port); | |
ab11110e PP |
570 | BT_PUT(upstream_notif_iter); |
571 | if (!muxer_upstream_notif_iter) { | |
fed72692 PP |
572 | /* |
573 | * muxer_notif_iter_add_upstream_notif_iter() | |
574 | * logs errors. | |
575 | */ | |
ab11110e PP |
576 | goto error; |
577 | } | |
578 | ||
ab11110e PP |
579 | remove_node: |
580 | bt_put(upstream_notif_iter); | |
ab11110e PP |
581 | muxer_notif_iter->newly_connected_priv_ports = |
582 | g_list_delete_link( | |
583 | muxer_notif_iter->newly_connected_priv_ports, | |
584 | node); | |
585 | } | |
586 | ||
587 | goto end; | |
588 | ||
589 | error: | |
089717de | 590 | if (ret >= 0) { |
ab11110e PP |
591 | ret = -1; |
592 | } | |
593 | ||
594 | end: | |
ab11110e PP |
595 | return ret; |
596 | } | |
597 | ||
958f7d11 PP |
598 | static |
599 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 600 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
601 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
602 | int64_t *ts_ns) | |
603 | { | |
50842bdc PP |
604 | struct bt_clock_class *clock_class = NULL; |
605 | struct bt_clock_value *clock_value = NULL; | |
606 | struct bt_event *event = NULL; | |
958f7d11 | 607 | int ret = 0; |
282c8cd0 | 608 | const unsigned char *cc_uuid; |
fed72692 | 609 | const char *cc_name; |
958f7d11 | 610 | |
f6ccaed9 PP |
611 | BT_ASSERT(notif); |
612 | BT_ASSERT(ts_ns); | |
958f7d11 | 613 | |
fed72692 PP |
614 | BT_LOGV("Getting notification's timestamp: " |
615 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
616 | "last-returned-ts=%" PRId64, | |
617 | muxer_notif_iter, notif, last_returned_ts_ns); | |
618 | ||
958f7d11 PP |
619 | switch (bt_notification_get_type(notif)) { |
620 | case BT_NOTIFICATION_TYPE_EVENT: | |
e22b45d0 PP |
621 | event = bt_notification_event_borrow_event(notif); |
622 | BT_ASSERT(event); | |
623 | clock_value = bt_event_borrow_default_clock_value(event); | |
958f7d11 PP |
624 | break; |
625 | ||
626 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
e22b45d0 PP |
627 | clock_value = |
628 | bt_notification_inactivity_borrow_default_clock_value( | |
958f7d11 PP |
629 | notif); |
630 | break; | |
631 | default: | |
089717de | 632 | /* All the other notifications have a higher priority */ |
fed72692 | 633 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
634 | *ts_ns = last_returned_ts_ns; |
635 | goto end; | |
636 | } | |
637 | ||
958f7d11 | 638 | /* |
e22b45d0 PP |
639 | * If the clock value is missing, then we consider that this |
640 | * notification has no time. In this case it's always the | |
641 | * youngest. | |
958f7d11 | 642 | */ |
e22b45d0 PP |
643 | if (!clock_value) { |
644 | BT_LOGV_STR("Notification's default clock value is missing: " | |
fed72692 | 645 | "using the last returned timestamp."); |
958f7d11 PP |
646 | *ts_ns = last_returned_ts_ns; |
647 | goto end; | |
648 | } | |
649 | ||
e22b45d0 PP |
650 | clock_class = bt_clock_value_borrow_class(clock_value); |
651 | BT_ASSERT(clock_class); | |
50842bdc PP |
652 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
653 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 PP |
654 | |
655 | if (muxer_notif_iter->clock_class_expectation == | |
656 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
657 | /* | |
658 | * This is the first clock class that this muxer | |
659 | * notification iterator encounters. Its properties | |
660 | * determine what to expect for the whole lifetime of | |
661 | * the iterator without a true | |
662 | * `assume-absolute-clock-classes` parameter. | |
663 | */ | |
50842bdc | 664 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 PP |
665 | /* Expect absolute clock classes */ |
666 | muxer_notif_iter->clock_class_expectation = | |
667 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
668 | } else { | |
669 | if (cc_uuid) { | |
670 | /* | |
671 | * Expect non-absolute clock classes | |
672 | * with a specific UUID. | |
673 | */ | |
674 | muxer_notif_iter->clock_class_expectation = | |
675 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
676 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
677 | cc_uuid, BABELTRACE_UUID_LEN); | |
678 | } else { | |
679 | /* | |
680 | * Expect non-absolute clock classes | |
681 | * with no UUID. | |
682 | */ | |
683 | muxer_notif_iter->clock_class_expectation = | |
684 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
685 | } | |
686 | } | |
687 | } | |
688 | ||
689 | if (!muxer_comp->assume_absolute_clock_classes) { | |
690 | switch (muxer_notif_iter->clock_class_expectation) { | |
691 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
50842bdc | 692 | if (!bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
693 | BT_LOGE("Expecting an absolute clock class, " |
694 | "but got a non-absolute one: " | |
695 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
696 | clock_class, cc_name); | |
282c8cd0 PP |
697 | goto error; |
698 | } | |
699 | break; | |
700 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
50842bdc | 701 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
702 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
703 | "but got an absolute one: " | |
704 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
705 | clock_class, cc_name); | |
282c8cd0 PP |
706 | goto error; |
707 | } | |
708 | ||
709 | if (cc_uuid) { | |
fed72692 PP |
710 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
711 | "but got one with a UUID: " | |
712 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
713 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
714 | clock_class, cc_name, | |
715 | (unsigned int) cc_uuid[0], | |
716 | (unsigned int) cc_uuid[1], | |
717 | (unsigned int) cc_uuid[2], | |
718 | (unsigned int) cc_uuid[3], | |
719 | (unsigned int) cc_uuid[4], | |
720 | (unsigned int) cc_uuid[5], | |
721 | (unsigned int) cc_uuid[6], | |
722 | (unsigned int) cc_uuid[7], | |
723 | (unsigned int) cc_uuid[8], | |
724 | (unsigned int) cc_uuid[9], | |
725 | (unsigned int) cc_uuid[10], | |
726 | (unsigned int) cc_uuid[11], | |
727 | (unsigned int) cc_uuid[12], | |
728 | (unsigned int) cc_uuid[13], | |
729 | (unsigned int) cc_uuid[14], | |
730 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
731 | goto error; |
732 | } | |
733 | break; | |
734 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
50842bdc | 735 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
736 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
737 | "but got an absolute one: " | |
738 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
739 | clock_class, cc_name); | |
282c8cd0 PP |
740 | goto error; |
741 | } | |
742 | ||
743 | if (!cc_uuid) { | |
fed72692 PP |
744 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
745 | "but got one with no UUID: " | |
746 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
747 | clock_class, cc_name); | |
282c8cd0 PP |
748 | goto error; |
749 | } | |
750 | ||
751 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
752 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
fed72692 PP |
753 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
754 | "but got one with different UUID: " | |
755 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
756 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
757 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
758 | clock_class, cc_name, | |
759 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
760 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
761 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
762 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
763 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
764 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
765 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
766 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
767 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
768 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
769 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
770 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
771 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
772 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
773 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
774 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
775 | (unsigned int) cc_uuid[0], | |
776 | (unsigned int) cc_uuid[1], | |
777 | (unsigned int) cc_uuid[2], | |
778 | (unsigned int) cc_uuid[3], | |
779 | (unsigned int) cc_uuid[4], | |
780 | (unsigned int) cc_uuid[5], | |
781 | (unsigned int) cc_uuid[6], | |
782 | (unsigned int) cc_uuid[7], | |
783 | (unsigned int) cc_uuid[8], | |
784 | (unsigned int) cc_uuid[9], | |
785 | (unsigned int) cc_uuid[10], | |
786 | (unsigned int) cc_uuid[11], | |
787 | (unsigned int) cc_uuid[12], | |
788 | (unsigned int) cc_uuid[13], | |
789 | (unsigned int) cc_uuid[14], | |
790 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
791 | goto error; |
792 | } | |
793 | break; | |
794 | default: | |
795 | /* Unexpected */ | |
fed72692 PP |
796 | BT_LOGF("Unexpected clock class expectation: " |
797 | "expectation-code=%d", | |
798 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
799 | abort(); |
800 | } | |
958f7d11 PP |
801 | } |
802 | ||
50842bdc | 803 | ret = bt_clock_value_get_value_ns_from_epoch(clock_value, ts_ns); |
958f7d11 | 804 | if (ret) { |
fed72692 PP |
805 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
806 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
807 | goto error; |
808 | } | |
809 | ||
810 | goto end; | |
811 | ||
812 | error: | |
813 | ret = -1; | |
814 | ||
815 | end: | |
fed72692 PP |
816 | if (ret == 0) { |
817 | BT_LOGV("Found notification's timestamp: " | |
818 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
819 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
820 | muxer_notif_iter, notif, last_returned_ts_ns, | |
821 | *ts_ns); | |
822 | } | |
823 | ||
958f7d11 PP |
824 | return ret; |
825 | } | |
826 | ||
ab11110e PP |
827 | /* |
828 | * This function finds the youngest available notification amongst the | |
829 | * non-ended upstream notification iterators and returns the upstream | |
830 | * notification iterator which has it, or | |
831 | * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available | |
832 | * notification. | |
833 | * | |
834 | * This function does NOT: | |
835 | * | |
836 | * * Update any upstream notification iterator. | |
837 | * * Check for newly connected ports. | |
838 | * * Check the upstream notification iterators to retry. | |
839 | * | |
840 | * On sucess, this function sets *muxer_upstream_notif_iter to the | |
841 | * upstream notification iterator of which the current notification is | |
842 | * the youngest, and sets *ts_ns to its time. | |
843 | */ | |
958f7d11 PP |
844 | static |
845 | enum bt_notification_iterator_status | |
846 | muxer_notif_iter_youngest_upstream_notif_iter( | |
847 | struct muxer_comp *muxer_comp, | |
848 | struct muxer_notif_iter *muxer_notif_iter, | |
849 | struct muxer_upstream_notif_iter **muxer_upstream_notif_iter, | |
850 | int64_t *ts_ns) | |
851 | { | |
852 | size_t i; | |
853 | int ret; | |
854 | int64_t youngest_ts_ns = INT64_MAX; | |
855 | enum bt_notification_iterator_status status = | |
856 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
857 | ||
f6ccaed9 PP |
858 | BT_ASSERT(muxer_comp); |
859 | BT_ASSERT(muxer_notif_iter); | |
860 | BT_ASSERT(muxer_upstream_notif_iter); | |
958f7d11 PP |
861 | *muxer_upstream_notif_iter = NULL; |
862 | ||
863 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { | |
864 | struct bt_notification *notif; | |
865 | struct muxer_upstream_notif_iter *cur_muxer_upstream_notif_iter = | |
866 | g_ptr_array_index(muxer_notif_iter->muxer_upstream_notif_iters, i); | |
867 | int64_t notif_ts_ns; | |
868 | ||
869 | if (!cur_muxer_upstream_notif_iter->notif_iter) { | |
ab11110e | 870 | /* This upstream notification iterator is ended */ |
fed72692 PP |
871 | BT_LOGV("Skipping ended upstream notification iterator: " |
872 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
873 | cur_muxer_upstream_notif_iter); | |
958f7d11 PP |
874 | continue; |
875 | } | |
876 | ||
d4393e08 PP |
877 | BT_ASSERT(cur_muxer_upstream_notif_iter->notifs->length > 0); |
878 | notif = g_queue_peek_head(cur_muxer_upstream_notif_iter->notifs); | |
f6ccaed9 | 879 | BT_ASSERT(notif); |
282c8cd0 | 880 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 | 881 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
958f7d11 | 882 | if (ret) { |
fed72692 | 883 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
884 | *muxer_upstream_notif_iter = NULL; |
885 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
886 | goto end; | |
887 | } | |
888 | ||
889 | if (notif_ts_ns <= youngest_ts_ns) { | |
890 | *muxer_upstream_notif_iter = | |
891 | cur_muxer_upstream_notif_iter; | |
892 | youngest_ts_ns = notif_ts_ns; | |
893 | *ts_ns = youngest_ts_ns; | |
894 | } | |
895 | } | |
896 | ||
897 | if (!*muxer_upstream_notif_iter) { | |
898 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
899 | *ts_ns = INT64_MIN; | |
900 | } | |
901 | ||
902 | end: | |
903 | return status; | |
904 | } | |
905 | ||
906 | static | |
089717de PP |
907 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
908 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 909 | { |
089717de PP |
910 | enum bt_notification_iterator_status status = |
911 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 912 | |
fed72692 PP |
913 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
914 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
915 | muxer_upstream_notif_iter); | |
916 | ||
d4393e08 | 917 | if (muxer_upstream_notif_iter->notifs->length > 0 || |
089717de | 918 | !muxer_upstream_notif_iter->notif_iter) { |
d4393e08 PP |
919 | BT_LOGV("Already valid or not considered: " |
920 | "queue-len=%u, upstream-notif-iter-addr=%p", | |
921 | muxer_upstream_notif_iter->notifs->length, | |
922 | muxer_upstream_notif_iter->notif_iter); | |
ab11110e PP |
923 | goto end; |
924 | } | |
925 | ||
fed72692 | 926 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
927 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
928 | ||
929 | end: | |
930 | return status; | |
931 | } | |
932 | ||
933 | static | |
934 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
d4393e08 | 935 | struct muxer_notif_iter *muxer_notif_iter) |
089717de PP |
936 | { |
937 | enum bt_notification_iterator_status status = | |
938 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
939 | size_t i; | |
940 | ||
fed72692 PP |
941 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
942 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
943 | ||
089717de PP |
944 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
945 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
946 | g_ptr_array_index( | |
947 | muxer_notif_iter->muxer_upstream_notif_iters, | |
948 | i); | |
949 | ||
950 | status = validate_muxer_upstream_notif_iter( | |
951 | muxer_upstream_notif_iter); | |
952 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
fed72692 PP |
953 | if (status < 0) { |
954 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
955 | "muxer-notif-iter-addr=%p, " | |
956 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
957 | muxer_notif_iter, | |
958 | muxer_upstream_notif_iter); | |
959 | } else { | |
960 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
961 | "muxer-notif-iter-addr=%p, " | |
962 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
963 | muxer_notif_iter, | |
964 | muxer_upstream_notif_iter); | |
965 | } | |
966 | ||
089717de PP |
967 | goto end; |
968 | } | |
744ba28b PP |
969 | |
970 | /* | |
971 | * Remove this muxer upstream notification iterator | |
972 | * if it's ended or canceled. | |
973 | */ | |
974 | if (!muxer_upstream_notif_iter->notif_iter) { | |
975 | /* | |
976 | * Use g_ptr_array_remove_fast() because the | |
977 | * order of those elements is not important. | |
978 | */ | |
fed72692 PP |
979 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
980 | "muxer-notif-iter-addr=%p, " | |
981 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
982 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
983 | g_ptr_array_remove_index_fast( |
984 | muxer_notif_iter->muxer_upstream_notif_iters, | |
985 | i); | |
986 | i--; | |
987 | } | |
089717de PP |
988 | } |
989 | ||
990 | end: | |
991 | return status; | |
992 | } | |
993 | ||
d4393e08 PP |
994 | static inline |
995 | enum bt_notification_iterator_status muxer_notif_iter_do_next_one( | |
089717de | 996 | struct muxer_comp *muxer_comp, |
d4393e08 PP |
997 | struct muxer_notif_iter *muxer_notif_iter, |
998 | struct bt_notification **notif) | |
089717de | 999 | { |
d4393e08 PP |
1000 | enum bt_notification_iterator_status status = |
1001 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
089717de | 1002 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; |
089717de PP |
1003 | int64_t next_return_ts; |
1004 | ||
1005 | while (true) { | |
1006 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1007 | muxer_notif_iter); | |
1008 | ||
1009 | if (ret) { | |
fed72692 PP |
1010 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1011 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1012 | "ret=%d", | |
1013 | muxer_comp, muxer_notif_iter, ret); | |
d4393e08 | 1014 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
089717de PP |
1015 | goto end; |
1016 | } | |
1017 | ||
d4393e08 PP |
1018 | status = validate_muxer_upstream_notif_iters(muxer_notif_iter); |
1019 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
3823b499 | 1020 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1021 | goto end; |
1022 | } | |
ab11110e | 1023 | |
958f7d11 | 1024 | /* |
089717de PP |
1025 | * At this point, we know that all the existing upstream |
1026 | * notification iterators are valid. However the | |
1027 | * operations to validate them (during | |
1028 | * validate_muxer_upstream_notif_iters()) may have | |
1029 | * connected new ports. If no ports were connected | |
1030 | * during this operation, exit the loop. | |
958f7d11 | 1031 | */ |
089717de | 1032 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1033 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1034 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1035 | break; |
1036 | } | |
958f7d11 PP |
1037 | } |
1038 | ||
f6ccaed9 | 1039 | BT_ASSERT(!muxer_notif_iter->newly_connected_priv_ports); |
089717de | 1040 | |
958f7d11 | 1041 | /* |
089717de PP |
1042 | * At this point we know that all the existing upstream |
1043 | * notification iterators are valid. We can find the one, | |
1044 | * amongst those, of which the current notification is the | |
1045 | * youngest. | |
958f7d11 | 1046 | */ |
d4393e08 | 1047 | status = muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
958f7d11 | 1048 | muxer_notif_iter, &muxer_upstream_notif_iter, |
089717de | 1049 | &next_return_ts); |
d4393e08 PP |
1050 | if (status < 0 || status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1051 | status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
1052 | if (status < 0) { | |
fed72692 PP |
1053 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " |
1054 | "status=%s", | |
d4393e08 | 1055 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1056 | } else { |
1057 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1058 | "status=%s", | |
d4393e08 | 1059 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1060 | } |
1061 | ||
958f7d11 PP |
1062 | goto end; |
1063 | } | |
1064 | ||
089717de | 1065 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
fed72692 PP |
1066 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1067 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1068 | "last-returned-ts=%" PRId64, | |
1069 | muxer_notif_iter, next_return_ts, | |
1070 | muxer_notif_iter->last_returned_ts_ns); | |
d4393e08 | 1071 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1072 | goto end; |
1073 | } | |
1074 | ||
fed72692 PP |
1075 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1076 | "muxer-notif-iter-addr=%p, " | |
1077 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1078 | "ts=%" PRId64, | |
1079 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
d4393e08 | 1080 | BT_ASSERT(status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
f6ccaed9 | 1081 | BT_ASSERT(muxer_upstream_notif_iter); |
958f7d11 PP |
1082 | |
1083 | /* | |
d4393e08 PP |
1084 | * Consume from the queue's head: other side |
1085 | * (muxer_upstream_notif_iter_next()) writes to the tail. | |
958f7d11 | 1086 | */ |
d4393e08 PP |
1087 | *notif = g_queue_pop_head(muxer_upstream_notif_iter->notifs); |
1088 | BT_ASSERT(*notif); | |
089717de | 1089 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; |
958f7d11 PP |
1090 | |
1091 | end: | |
d4393e08 PP |
1092 | return status; |
1093 | } | |
1094 | ||
1095 | static | |
1096 | enum bt_notification_iterator_status muxer_notif_iter_do_next( | |
1097 | struct muxer_comp *muxer_comp, | |
1098 | struct muxer_notif_iter *muxer_notif_iter, | |
1099 | bt_notification_array notifs, uint64_t capacity, | |
1100 | uint64_t *count) | |
1101 | { | |
1102 | enum bt_notification_iterator_status status = | |
1103 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1104 | uint64_t i = 0; | |
1105 | ||
1106 | while (i < capacity && status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
1107 | status = muxer_notif_iter_do_next_one(muxer_comp, | |
1108 | muxer_notif_iter, ¬ifs[i]); | |
1109 | if (status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
1110 | i++; | |
1111 | } | |
1112 | } | |
1113 | ||
1114 | if (i > 0) { | |
1115 | /* | |
1116 | * Even if muxer_notif_iter_do_next_one() returned | |
1117 | * something else than | |
1118 | * BT_NOTIFICATION_ITERATOR_STATUS_OK, we accumulated | |
1119 | * notification objects in the output notification | |
1120 | * array, so we need to return | |
1121 | * BT_NOTIFICATION_ITERATOR_STATUS_OK so that they are | |
1122 | * transfered to downstream. This other status occurs | |
1123 | * again the next time muxer_notif_iter_do_next() is | |
1124 | * called, possibly without any accumulated | |
1125 | * notification, in which case we'll return it. | |
1126 | */ | |
1127 | *count = i; | |
1128 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1129 | } | |
1130 | ||
1131 | return status; | |
958f7d11 PP |
1132 | } |
1133 | ||
1134 | static | |
ab11110e PP |
1135 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1136 | { | |
ab11110e PP |
1137 | if (!muxer_notif_iter) { |
1138 | return; | |
1139 | } | |
1140 | ||
fed72692 PP |
1141 | BT_LOGD("Destroying muxer component's notification iterator: " |
1142 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1143 | ||
ab11110e | 1144 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
fed72692 | 1145 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1146 | g_ptr_array_free( |
1147 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1148 | } | |
1149 | ||
ab11110e PP |
1150 | g_list_free(muxer_notif_iter->newly_connected_priv_ports); |
1151 | g_free(muxer_notif_iter); | |
1152 | } | |
1153 | ||
1154 | static | |
1155 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1156 | struct muxer_notif_iter *muxer_notif_iter) |
1157 | { | |
ab11110e | 1158 | struct bt_component *comp; |
544d0515 PP |
1159 | int64_t count; |
1160 | int64_t i; | |
ab11110e | 1161 | int ret = 0; |
958f7d11 | 1162 | |
ab11110e PP |
1163 | /* |
1164 | * Add the connected input ports to this muxer notification | |
1165 | * iterator's list of newly connected ports. They will be | |
1166 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1167 | */ | |
5c563278 | 1168 | comp = bt_component_borrow_from_private(muxer_comp->priv_comp); |
f6ccaed9 | 1169 | BT_ASSERT(comp); |
544d0515 PP |
1170 | count = bt_component_filter_get_input_port_count(comp); |
1171 | if (count < 0) { | |
fed72692 PP |
1172 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1173 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1174 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1175 | goto end; |
1176 | } | |
958f7d11 PP |
1177 | |
1178 | for (i = 0; i < count; i++) { | |
1179 | struct bt_private_port *priv_port = | |
9ac68eb1 | 1180 | bt_private_component_filter_get_input_private_port_by_index( |
958f7d11 PP |
1181 | muxer_comp->priv_comp, i); |
1182 | struct bt_port *port; | |
958f7d11 | 1183 | |
f6ccaed9 | 1184 | BT_ASSERT(priv_port); |
5c563278 | 1185 | port = bt_port_borrow_from_private(priv_port); |
f6ccaed9 | 1186 | BT_ASSERT(port); |
958f7d11 PP |
1187 | |
1188 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1189 | BT_LOGD("Skipping input port: not connected: " |
1190 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1191 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 PP |
1192 | bt_put(priv_port); |
1193 | continue; | |
1194 | } | |
1195 | ||
06a2cb0d | 1196 | bt_put(priv_port); |
ab11110e PP |
1197 | muxer_notif_iter->newly_connected_priv_ports = |
1198 | g_list_append( | |
1199 | muxer_notif_iter->newly_connected_priv_ports, | |
958f7d11 | 1200 | priv_port); |
ab11110e | 1201 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1202 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1203 | "port-addr=%p, port-name=\"%s\", " | |
1204 | "muxer-notif-iter-addr=%p", port, | |
1205 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1206 | ret = -1; |
1207 | goto end; | |
958f7d11 | 1208 | } |
fed72692 PP |
1209 | |
1210 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1211 | "port-addr=%p, port-name=\"%s\", " | |
1212 | "muxer-notif-iter-addr=%p", port, | |
1213 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1214 | } |
1215 | ||
1216 | end: | |
958f7d11 PP |
1217 | return ret; |
1218 | } | |
1219 | ||
958f7d11 PP |
1220 | BT_HIDDEN |
1221 | enum bt_notification_iterator_status muxer_notif_iter_init( | |
90157d89 | 1222 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, |
958f7d11 PP |
1223 | struct bt_private_port *output_priv_port) |
1224 | { | |
1225 | struct muxer_comp *muxer_comp = NULL; | |
1226 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
1227 | struct bt_private_component *priv_comp = NULL; | |
1228 | enum bt_notification_iterator_status status = | |
1229 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1230 | int ret; | |
1231 | ||
90157d89 | 1232 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1233 | priv_notif_iter); |
f6ccaed9 | 1234 | BT_ASSERT(priv_comp); |
958f7d11 | 1235 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
f6ccaed9 | 1236 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1237 | BT_LOGD("Initializing muxer component's notification iterator: " |
1238 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1239 | priv_comp, muxer_comp, priv_notif_iter); | |
a09c6b95 PP |
1240 | |
1241 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1242 | /* | |
089717de PP |
1243 | * Weird, unhandled situation detected: downstream |
1244 | * creates a muxer notification iterator while creating | |
1245 | * another muxer notification iterator (same component). | |
a09c6b95 | 1246 | */ |
fed72692 PP |
1247 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1248 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1249 | priv_comp, muxer_comp, priv_notif_iter); | |
958f7d11 PP |
1250 | goto error; |
1251 | } | |
1252 | ||
a09c6b95 PP |
1253 | muxer_comp->initializing_muxer_notif_iter = true; |
1254 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1255 | if (!muxer_notif_iter) { | |
fed72692 | 1256 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1257 | goto error; |
1258 | } | |
1259 | ||
958f7d11 PP |
1260 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1261 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1262 | g_ptr_array_new_with_free_func( | |
1263 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1264 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
fed72692 | 1265 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1266 | goto error; |
1267 | } | |
1268 | ||
a09c6b95 PP |
1269 | /* |
1270 | * Add the muxer notification iterator to the component's array | |
1271 | * of muxer notification iterators here because | |
1272 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1273 | * muxer_port_connected() to be called, which adds the newly | |
1274 | * connected port to each muxer notification iterator's list of | |
1275 | * newly connected ports. | |
1276 | */ | |
1277 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1278 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1279 | muxer_notif_iter); | |
1280 | if (ret) { | |
fed72692 PP |
1281 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1282 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1283 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
1284 | priv_comp, muxer_comp, muxer_notif_iter, | |
1285 | priv_notif_iter, ret); | |
a09c6b95 PP |
1286 | goto error; |
1287 | } | |
1288 | ||
90157d89 | 1289 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 | 1290 | muxer_notif_iter); |
f6ccaed9 | 1291 | BT_ASSERT(ret == 0); |
fed72692 PP |
1292 | BT_LOGD("Initialized muxer component's notification iterator: " |
1293 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1294 | "notif-iter-addr=%p", | |
1295 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1296 | goto end; |
1297 | ||
1298 | error: | |
a09c6b95 PP |
1299 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1300 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1301 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1302 | muxer_comp->muxer_notif_iters->len - 1); | |
1303 | } | |
1304 | ||
958f7d11 | 1305 | destroy_muxer_notif_iter(muxer_notif_iter); |
90157d89 | 1306 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 | 1307 | NULL); |
f6ccaed9 | 1308 | BT_ASSERT(ret == 0); |
958f7d11 PP |
1309 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
1310 | ||
1311 | end: | |
a09c6b95 | 1312 | muxer_comp->initializing_muxer_notif_iter = false; |
958f7d11 PP |
1313 | bt_put(priv_comp); |
1314 | return status; | |
1315 | } | |
1316 | ||
1317 | BT_HIDDEN | |
1318 | void muxer_notif_iter_finalize( | |
90157d89 | 1319 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) |
958f7d11 PP |
1320 | { |
1321 | struct muxer_notif_iter *muxer_notif_iter = | |
90157d89 | 1322 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1323 | struct bt_private_component *priv_comp = NULL; |
1324 | struct muxer_comp *muxer_comp = NULL; | |
1325 | ||
90157d89 | 1326 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1327 | priv_notif_iter); |
f6ccaed9 | 1328 | BT_ASSERT(priv_comp); |
958f7d11 | 1329 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
fed72692 PP |
1330 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1331 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1332 | "notif-iter-addr=%p", | |
1333 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1334 | |
1335 | if (muxer_comp) { | |
1336 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1337 | muxer_notif_iter); | |
1338 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1339 | } | |
1340 | ||
1341 | bt_put(priv_comp); | |
1342 | } | |
1343 | ||
1344 | BT_HIDDEN | |
d4393e08 PP |
1345 | enum bt_notification_iterator_status muxer_notif_iter_next( |
1346 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, | |
1347 | bt_notification_array notifs, uint64_t capacity, | |
1348 | uint64_t *count) | |
958f7d11 | 1349 | { |
d4393e08 | 1350 | enum bt_notification_iterator_status status; |
958f7d11 | 1351 | struct muxer_notif_iter *muxer_notif_iter = |
90157d89 | 1352 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1353 | struct bt_private_component *priv_comp = NULL; |
1354 | struct muxer_comp *muxer_comp = NULL; | |
958f7d11 | 1355 | |
f6ccaed9 | 1356 | BT_ASSERT(muxer_notif_iter); |
90157d89 | 1357 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1358 | priv_notif_iter); |
f6ccaed9 | 1359 | BT_ASSERT(priv_comp); |
958f7d11 | 1360 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
f6ccaed9 | 1361 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1362 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1363 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1364 | "notif-iter-addr=%p", | |
1365 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
1366 | ||
d4393e08 PP |
1367 | status = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter, |
1368 | notifs, capacity, count); | |
1369 | if (status < 0) { | |
fed72692 PP |
1370 | BT_LOGE("Cannot get next notification: " |
1371 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1372 | "notif-iter-addr=%p, status=%s", | |
1373 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter, | |
d4393e08 | 1374 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1375 | } else { |
1376 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
d4393e08 PP |
1377 | "status=%s", |
1378 | bt_notification_iterator_status_string(status)); | |
fed72692 | 1379 | } |
958f7d11 | 1380 | |
958f7d11 | 1381 | bt_put(priv_comp); |
d4393e08 | 1382 | return status; |
958f7d11 PP |
1383 | } |
1384 | ||
1385 | BT_HIDDEN | |
bf55043c | 1386 | enum bt_component_status muxer_port_connected( |
958f7d11 PP |
1387 | struct bt_private_component *priv_comp, |
1388 | struct bt_private_port *self_private_port, | |
1389 | struct bt_port *other_port) | |
1390 | { | |
bf55043c | 1391 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
958f7d11 | 1392 | struct bt_port *self_port = |
5c563278 | 1393 | bt_port_borrow_from_private(self_private_port); |
958f7d11 PP |
1394 | struct muxer_comp *muxer_comp = |
1395 | bt_private_component_get_user_data(priv_comp); | |
1396 | size_t i; | |
06a2cb0d | 1397 | int ret; |
958f7d11 | 1398 | |
f6ccaed9 PP |
1399 | BT_ASSERT(self_port); |
1400 | BT_ASSERT(muxer_comp); | |
fed72692 PP |
1401 | BT_LOGD("Port connected: " |
1402 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1403 | "port-addr=%p, port-name=\"%s\", " | |
1404 | "other-port-addr=%p, other-port-name=\"%s\"", | |
1405 | priv_comp, muxer_comp, self_port, bt_port_get_name(self_port), | |
1406 | other_port, bt_port_get_name(other_port)); | |
958f7d11 | 1407 | |
06a2cb0d PP |
1408 | if (bt_port_get_type(self_port) == BT_PORT_TYPE_OUTPUT) { |
1409 | goto end; | |
958f7d11 PP |
1410 | } |
1411 | ||
1412 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1413 | struct muxer_notif_iter *muxer_notif_iter = | |
1414 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1415 | ||
1416 | /* | |
ab11110e PP |
1417 | * Add this port to the list of newly connected ports |
1418 | * for this muxer notification iterator. We append at | |
1419 | * the end of this list while | |
1420 | * muxer_notif_iter_handle_newly_connected_ports() | |
1421 | * removes the nodes from the beginning. | |
958f7d11 | 1422 | */ |
ab11110e PP |
1423 | muxer_notif_iter->newly_connected_priv_ports = |
1424 | g_list_append( | |
1425 | muxer_notif_iter->newly_connected_priv_ports, | |
06a2cb0d | 1426 | self_private_port); |
ab11110e | 1427 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1428 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1429 | "port-addr=%p, port-name=\"%s\", " | |
1430 | "muxer-notif-iter-addr=%p", self_port, | |
1431 | bt_port_get_name(self_port), muxer_notif_iter); | |
bf55043c | 1432 | status = BT_COMPONENT_STATUS_ERROR; |
958f7d11 PP |
1433 | goto end; |
1434 | } | |
fed72692 PP |
1435 | |
1436 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1437 | "port-addr=%p, port-name=\"%s\", " | |
1438 | "muxer-notif-iter-addr=%p", self_port, | |
1439 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1440 | } |
1441 | ||
06a2cb0d PP |
1442 | /* One less available input port */ |
1443 | muxer_comp->available_input_ports--; | |
1444 | ret = ensure_available_input_port(priv_comp); | |
1445 | if (ret) { | |
1446 | /* | |
1447 | * Only way to report an error later since this | |
1448 | * method does not return anything. | |
1449 | */ | |
fed72692 PP |
1450 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1451 | "muxer-comp-addr=%p, status=%s", | |
1452 | muxer_comp, bt_component_status_string(ret)); | |
bf55043c | 1453 | status = BT_COMPONENT_STATUS_ERROR; |
06a2cb0d PP |
1454 | goto end; |
1455 | } | |
1456 | ||
958f7d11 | 1457 | end: |
bf55043c | 1458 | return status; |
958f7d11 PP |
1459 | } |
1460 | ||
1461 | BT_HIDDEN | |
1462 | void muxer_port_disconnected(struct bt_private_component *priv_comp, | |
1463 | struct bt_private_port *priv_port) | |
1464 | { | |
5c563278 | 1465 | struct bt_port *port = bt_port_borrow_from_private(priv_port); |
958f7d11 PP |
1466 | struct muxer_comp *muxer_comp = |
1467 | bt_private_component_get_user_data(priv_comp); | |
1468 | ||
f6ccaed9 PP |
1469 | BT_ASSERT(port); |
1470 | BT_ASSERT(muxer_comp); | |
fed72692 PP |
1471 | BT_LOGD("Port disconnected: " |
1472 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1473 | "port-name=\"%s\"", priv_comp, muxer_comp, | |
1474 | port, bt_port_get_name(port)); | |
958f7d11 | 1475 | |
ab11110e PP |
1476 | /* |
1477 | * There's nothing special to do when a port is disconnected | |
1478 | * because this component deals with upstream notification | |
1479 | * iterators which were already created thanks to connected | |
1480 | * ports. The fact that the port is disconnected does not cancel | |
1481 | * the upstream notification iterators created using its | |
089717de PP |
1482 | * connection: they still exist, even if the connection is dead. |
1483 | * The only way to remove an upstream notification iterator is | |
1484 | * for its "next" operation to return | |
1485 | * BT_NOTIFICATION_ITERATOR_STATUS_END. | |
ab11110e | 1486 | */ |
958f7d11 PP |
1487 | if (bt_port_get_type(port) == BT_PORT_TYPE_INPUT) { |
1488 | /* One more available input port */ | |
1489 | muxer_comp->available_input_ports++; | |
fed72692 PP |
1490 | BT_LOGD("Leaving disconnected input port available for future connections: " |
1491 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1492 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1493 | priv_comp, muxer_comp, port, bt_port_get_name(port), | |
1494 | muxer_comp->available_input_ports); | |
958f7d11 | 1495 | } |
958f7d11 | 1496 | } |