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> |
da91b29a | 38 | #include <babeltrace/common-internal.h> |
0fbb9a9f | 39 | #include <stdlib.h> |
282c8cd0 | 40 | #include <string.h> |
958f7d11 | 41 | |
c3acd5f3 | 42 | #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes" |
65ee897d | 43 | |
958f7d11 | 44 | struct muxer_comp { |
90157d89 PP |
45 | /* |
46 | * Array of struct | |
47 | * bt_private_connection_private_notification_iterator * | |
48 | * (weak refs) | |
49 | */ | |
958f7d11 PP |
50 | GPtrArray *muxer_notif_iters; |
51 | ||
52 | /* Weak ref */ | |
53 | struct bt_private_component *priv_comp; | |
54 | unsigned int next_port_num; | |
55 | size_t available_input_ports; | |
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 | ||
d4393e08 PP |
64 | /* Contains `struct bt_notification *`, owned by this */ |
65 | GQueue *notifs; | |
958f7d11 PP |
66 | }; |
67 | ||
282c8cd0 PP |
68 | enum muxer_notif_iter_clock_class_expectation { |
69 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
70 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
71 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
72 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
73 | }; | |
74 | ||
958f7d11 | 75 | struct muxer_notif_iter { |
ab11110e PP |
76 | /* |
77 | * Array of struct muxer_upstream_notif_iter * (owned by this). | |
78 | * | |
79 | * NOTE: This array is searched in linearly to find the youngest | |
80 | * current notification. Keep this until benchmarks confirm that | |
81 | * another data structure is faster than this for our typical | |
82 | * use cases. | |
83 | */ | |
958f7d11 PP |
84 | GPtrArray *muxer_upstream_notif_iters; |
85 | ||
ab11110e | 86 | /* |
06a2cb0d | 87 | * List of "recently" connected input ports (weak) to |
ab11110e PP |
88 | * handle by this muxer notification iterator. |
89 | * muxer_port_connected() adds entries to this list, and the | |
90 | * entries are removed when a notification iterator is created | |
91 | * on the port's connection and put into | |
92 | * muxer_upstream_notif_iters above by | |
93 | * muxer_notif_iter_handle_newly_connected_ports(). | |
94 | */ | |
95 | GList *newly_connected_priv_ports; | |
958f7d11 | 96 | |
958f7d11 PP |
97 | /* Last time returned in a notification */ |
98 | int64_t last_returned_ts_ns; | |
282c8cd0 PP |
99 | |
100 | /* Clock class expectation state */ | |
101 | enum muxer_notif_iter_clock_class_expectation clock_class_expectation; | |
102 | ||
103 | /* | |
104 | * Expected clock class UUID, only valid when | |
105 | * clock_class_expectation is | |
106 | * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. | |
107 | */ | |
108 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
109 | }; |
110 | ||
ab11110e PP |
111 | static |
112 | void destroy_muxer_upstream_notif_iter( | |
113 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
114 | { | |
115 | if (!muxer_upstream_notif_iter) { | |
116 | return; | |
117 | } | |
118 | ||
fed72692 | 119 | BT_LOGD("Destroying muxer's upstream notification iterator wrapper: " |
d4393e08 | 120 | "addr=%p, notif-iter-addr=%p, queue-len=%u", |
fed72692 PP |
121 | muxer_upstream_notif_iter, |
122 | muxer_upstream_notif_iter->notif_iter, | |
d4393e08 | 123 | muxer_upstream_notif_iter->notifs->length); |
65300d60 | 124 | bt_object_put_ref(muxer_upstream_notif_iter->notif_iter); |
d4393e08 PP |
125 | |
126 | if (muxer_upstream_notif_iter->notifs) { | |
127 | struct bt_notification *notif; | |
128 | ||
129 | while ((notif = g_queue_pop_head( | |
130 | muxer_upstream_notif_iter->notifs))) { | |
65300d60 | 131 | bt_object_put_ref(notif); |
d4393e08 PP |
132 | } |
133 | ||
134 | g_queue_free(muxer_upstream_notif_iter->notifs); | |
135 | } | |
136 | ||
ab11110e PP |
137 | g_free(muxer_upstream_notif_iter); |
138 | } | |
139 | ||
958f7d11 PP |
140 | static |
141 | struct muxer_upstream_notif_iter *muxer_notif_iter_add_upstream_notif_iter( | |
142 | struct muxer_notif_iter *muxer_notif_iter, | |
143 | struct bt_notification_iterator *notif_iter, | |
144 | struct bt_private_port *priv_port) | |
145 | { | |
146 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
147 | g_new0(struct muxer_upstream_notif_iter, 1); | |
148 | ||
149 | if (!muxer_upstream_notif_iter) { | |
fed72692 | 150 | BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper."); |
958f7d11 PP |
151 | goto end; |
152 | } | |
153 | ||
65300d60 | 154 | muxer_upstream_notif_iter->notif_iter = bt_object_get_ref(notif_iter); |
d4393e08 PP |
155 | muxer_upstream_notif_iter->notifs = g_queue_new(); |
156 | if (!muxer_upstream_notif_iter->notifs) { | |
157 | BT_LOGE_STR("Failed to allocate a GQueue."); | |
158 | ||
159 | goto end; | |
160 | } | |
161 | ||
958f7d11 PP |
162 | g_ptr_array_add(muxer_notif_iter->muxer_upstream_notif_iters, |
163 | muxer_upstream_notif_iter); | |
fed72692 PP |
164 | BT_LOGD("Added muxer's upstream notification iterator wrapper: " |
165 | "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p", | |
166 | muxer_upstream_notif_iter, muxer_notif_iter, | |
167 | notif_iter); | |
958f7d11 PP |
168 | |
169 | end: | |
170 | return muxer_upstream_notif_iter; | |
171 | } | |
172 | ||
958f7d11 | 173 | static |
147337a3 PP |
174 | enum bt_component_status ensure_available_input_port( |
175 | struct bt_private_component *priv_comp) | |
958f7d11 PP |
176 | { |
177 | struct muxer_comp *muxer_comp = | |
178 | bt_private_component_get_user_data(priv_comp); | |
147337a3 | 179 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
958f7d11 | 180 | GString *port_name = NULL; |
958f7d11 | 181 | |
f6ccaed9 | 182 | BT_ASSERT(muxer_comp); |
958f7d11 PP |
183 | |
184 | if (muxer_comp->available_input_ports >= 1) { | |
185 | goto end; | |
186 | } | |
187 | ||
188 | port_name = g_string_new("in"); | |
189 | if (!port_name) { | |
fed72692 | 190 | BT_LOGE_STR("Failed to allocate a GString."); |
147337a3 | 191 | status = BT_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
192 | goto end; |
193 | } | |
194 | ||
195 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
147337a3 PP |
196 | status = bt_private_component_filter_add_input_private_port( |
197 | priv_comp, port_name->str, NULL, NULL); | |
198 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
199 | BT_LOGE("Cannot add input port to muxer component: " |
200 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
201 | port_name->str, priv_comp, | |
202 | bt_component_status_string(status)); | |
958f7d11 PP |
203 | goto end; |
204 | } | |
205 | ||
206 | muxer_comp->available_input_ports++; | |
207 | muxer_comp->next_port_num++; | |
fed72692 PP |
208 | BT_LOGD("Added one input port to muxer component: " |
209 | "port-name=\"%s\", comp-addr=%p", | |
210 | port_name->str, priv_comp); | |
958f7d11 PP |
211 | end: |
212 | if (port_name) { | |
213 | g_string_free(port_name, TRUE); | |
214 | } | |
215 | ||
147337a3 | 216 | return status; |
958f7d11 PP |
217 | } |
218 | ||
958f7d11 | 219 | static |
147337a3 PP |
220 | enum bt_component_status create_output_port( |
221 | struct bt_private_component *priv_comp) | |
958f7d11 | 222 | { |
147337a3 PP |
223 | return bt_private_component_filter_add_output_private_port( |
224 | priv_comp, "out", NULL, NULL); | |
958f7d11 PP |
225 | } |
226 | ||
227 | static | |
228 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
229 | { | |
230 | if (!muxer_comp) { | |
231 | return; | |
232 | } | |
233 | ||
fed72692 PP |
234 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
235 | "muxer-notif-iter-count=%u", muxer_comp, | |
af18c5e7 JG |
236 | muxer_comp->muxer_notif_iters ? |
237 | muxer_comp->muxer_notif_iters->len : 0); | |
fed72692 | 238 | |
958f7d11 PP |
239 | if (muxer_comp->muxer_notif_iters) { |
240 | g_ptr_array_free(muxer_comp->muxer_notif_iters, TRUE); | |
241 | } | |
242 | ||
243 | g_free(muxer_comp); | |
244 | } | |
245 | ||
65ee897d | 246 | static |
da91b29a | 247 | struct bt_private_value *get_default_params(void) |
65ee897d | 248 | { |
da91b29a | 249 | struct bt_private_value *params; |
65ee897d PP |
250 | int ret; |
251 | ||
da91b29a | 252 | params = bt_private_value_map_create(); |
65ee897d | 253 | if (!params) { |
fed72692 | 254 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
255 | goto error; |
256 | } | |
257 | ||
da91b29a | 258 | ret = bt_private_value_map_insert_bool_entry(params, |
c3acd5f3 | 259 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); |
65ee897d | 260 | if (ret) { |
fed72692 | 261 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
262 | goto error; |
263 | } | |
264 | ||
265 | goto end; | |
266 | ||
267 | error: | |
65300d60 | 268 | BT_OBJECT_PUT_REF_AND_RESET(params); |
65ee897d PP |
269 | |
270 | end: | |
271 | return params; | |
272 | } | |
273 | ||
274 | static | |
275 | int configure_muxer_comp(struct muxer_comp *muxer_comp, struct bt_value *params) | |
276 | { | |
da91b29a PP |
277 | struct bt_private_value *default_params = NULL; |
278 | struct bt_private_value *real_params = NULL; | |
282c8cd0 | 279 | struct bt_value *assume_absolute_clock_classes = NULL; |
65ee897d | 280 | int ret = 0; |
c55a9f58 | 281 | bt_bool bool_val; |
65ee897d PP |
282 | |
283 | default_params = get_default_params(); | |
284 | if (!default_params) { | |
fed72692 PP |
285 | BT_LOGE("Cannot get default parameters: " |
286 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
287 | goto error; |
288 | } | |
289 | ||
da91b29a PP |
290 | real_params = bt_value_map_extend( |
291 | bt_value_borrow_from_private(default_params), params); | |
65ee897d | 292 | if (!real_params) { |
fed72692 PP |
293 | BT_LOGE("Cannot extend default parameters map value: " |
294 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
295 | "params-addr=%p", muxer_comp, default_params, | |
296 | params); | |
65ee897d PP |
297 | goto error; |
298 | } | |
299 | ||
da91b29a PP |
300 | assume_absolute_clock_classes = bt_value_map_borrow_entry_value( |
301 | bt_value_borrow_from_private(real_params), | |
c3acd5f3 | 302 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); |
f6ccaed9 PP |
303 | if (assume_absolute_clock_classes && |
304 | !bt_value_is_bool(assume_absolute_clock_classes)) { | |
fed72692 PP |
305 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
306 | "muxer-comp-addr=%p, value-type=%s", | |
307 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
da91b29a | 308 | bt_common_value_type_string( |
fed72692 | 309 | bt_value_get_type(assume_absolute_clock_classes))); |
65ee897d PP |
310 | goto error; |
311 | } | |
312 | ||
fed72692 | 313 | ret = bt_value_bool_get(assume_absolute_clock_classes, &bool_val); |
f6ccaed9 | 314 | BT_ASSERT(ret == 0); |
282c8cd0 | 315 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
fed72692 PP |
316 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
317 | "assume-absolute-clock-classes=%d", | |
318 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
319 | goto end; |
320 | ||
321 | error: | |
322 | ret = -1; | |
323 | ||
324 | end: | |
65300d60 PP |
325 | bt_object_put_ref(default_params); |
326 | bt_object_put_ref(real_params); | |
65ee897d PP |
327 | return ret; |
328 | } | |
329 | ||
958f7d11 PP |
330 | BT_HIDDEN |
331 | enum bt_component_status muxer_init( | |
332 | struct bt_private_component *priv_comp, | |
333 | struct bt_value *params, void *init_data) | |
334 | { | |
335 | int ret; | |
336 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; | |
337 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); | |
338 | ||
fed72692 PP |
339 | BT_LOGD("Initializing muxer component: " |
340 | "comp-addr=%p, params-addr=%p", priv_comp, params); | |
341 | ||
958f7d11 | 342 | if (!muxer_comp) { |
fed72692 | 343 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
344 | goto error; |
345 | } | |
346 | ||
65ee897d PP |
347 | ret = configure_muxer_comp(muxer_comp, params); |
348 | if (ret) { | |
fed72692 PP |
349 | BT_LOGE("Cannot configure muxer component: " |
350 | "muxer-comp-addr=%p, params-addr=%p", | |
351 | muxer_comp, params); | |
65ee897d PP |
352 | goto error; |
353 | } | |
354 | ||
958f7d11 PP |
355 | muxer_comp->muxer_notif_iters = g_ptr_array_new(); |
356 | if (!muxer_comp->muxer_notif_iters) { | |
fed72692 | 357 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
358 | goto error; |
359 | } | |
360 | ||
361 | muxer_comp->priv_comp = priv_comp; | |
362 | ret = bt_private_component_set_user_data(priv_comp, muxer_comp); | |
f6ccaed9 | 363 | BT_ASSERT(ret == 0); |
147337a3 PP |
364 | status = ensure_available_input_port(priv_comp); |
365 | if (status != BT_COMPONENT_STATUS_OK) { | |
fed72692 PP |
366 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
367 | "muxer-comp-addr=%p, status=%s", | |
368 | muxer_comp, | |
369 | bt_component_status_string(status)); | |
958f7d11 PP |
370 | goto error; |
371 | } | |
372 | ||
fed72692 PP |
373 | status = create_output_port(priv_comp); |
374 | if (status) { | |
375 | BT_LOGE("Cannot create muxer component's output port: " | |
376 | "muxer-comp-addr=%p, status=%s", | |
377 | muxer_comp, | |
378 | bt_component_status_string(status)); | |
958f7d11 PP |
379 | goto error; |
380 | } | |
381 | ||
fed72692 PP |
382 | BT_LOGD("Initialized muxer component: " |
383 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
384 | priv_comp, params, muxer_comp); | |
385 | ||
958f7d11 PP |
386 | goto end; |
387 | ||
388 | error: | |
389 | destroy_muxer_comp(muxer_comp); | |
390 | ret = bt_private_component_set_user_data(priv_comp, NULL); | |
f6ccaed9 | 391 | BT_ASSERT(ret == 0); |
147337a3 PP |
392 | |
393 | if (status == BT_COMPONENT_STATUS_OK) { | |
394 | status = BT_COMPONENT_STATUS_ERROR; | |
395 | } | |
958f7d11 PP |
396 | |
397 | end: | |
398 | return status; | |
399 | } | |
400 | ||
401 | BT_HIDDEN | |
402 | void muxer_finalize(struct bt_private_component *priv_comp) | |
403 | { | |
404 | struct muxer_comp *muxer_comp = | |
405 | bt_private_component_get_user_data(priv_comp); | |
406 | ||
fed72692 PP |
407 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
408 | priv_comp); | |
958f7d11 PP |
409 | destroy_muxer_comp(muxer_comp); |
410 | } | |
411 | ||
412 | static | |
413 | struct bt_notification_iterator *create_notif_iter_on_input_port( | |
414 | struct bt_private_port *priv_port, int *ret) | |
415 | { | |
5c563278 | 416 | struct bt_port *port = bt_port_borrow_from_private(priv_port); |
958f7d11 PP |
417 | struct bt_notification_iterator *notif_iter = NULL; |
418 | struct bt_private_connection *priv_conn = NULL; | |
73d5c1ad | 419 | enum bt_connection_status conn_status; |
958f7d11 | 420 | |
f6ccaed9 | 421 | BT_ASSERT(ret); |
958f7d11 | 422 | *ret = 0; |
f6ccaed9 PP |
423 | BT_ASSERT(port); |
424 | BT_ASSERT(bt_port_is_connected(port)); | |
958f7d11 | 425 | priv_conn = bt_private_port_get_private_connection(priv_port); |
f6ccaed9 | 426 | BT_ASSERT(priv_conn); |
958f7d11 | 427 | |
ab11110e PP |
428 | // TODO: Advance the iterator to >= the time of the latest |
429 | // returned notification by the muxer notification | |
430 | // iterator which creates it. | |
73d5c1ad | 431 | conn_status = bt_private_connection_create_notification_iterator( |
f42867e2 | 432 | priv_conn, ¬if_iter); |
73d5c1ad | 433 | if (conn_status != BT_CONNECTION_STATUS_OK) { |
fed72692 PP |
434 | BT_LOGE("Cannot create upstream notification iterator on input port's connection: " |
435 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
436 | "status=%s", | |
437 | port, bt_port_get_name(port), priv_conn, | |
438 | bt_connection_status_string(conn_status)); | |
958f7d11 PP |
439 | *ret = -1; |
440 | goto end; | |
441 | } | |
442 | ||
fed72692 PP |
443 | BT_LOGD("Created upstream notification iterator on input port's connection: " |
444 | "port-addr=%p, port-name=\"%s\", conn-addr=%p, " | |
445 | "notif-iter-addr=%p", | |
446 | port, bt_port_get_name(port), priv_conn, notif_iter); | |
447 | ||
958f7d11 | 448 | end: |
65300d60 | 449 | bt_object_put_ref(priv_conn); |
958f7d11 PP |
450 | return notif_iter; |
451 | } | |
452 | ||
ab11110e | 453 | static |
089717de | 454 | enum bt_notification_iterator_status muxer_upstream_notif_iter_next( |
ab11110e PP |
455 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) |
456 | { | |
089717de | 457 | enum bt_notification_iterator_status status; |
d4393e08 PP |
458 | bt_notification_array notifs; |
459 | uint64_t i; | |
460 | uint64_t count; | |
ab11110e | 461 | |
fed72692 PP |
462 | BT_LOGV("Calling upstream notification iterator's \"next\" method: " |
463 | "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p", | |
464 | muxer_upstream_notif_iter, | |
465 | muxer_upstream_notif_iter->notif_iter); | |
07245ac2 | 466 | status = bt_private_connection_notification_iterator_next( |
d4393e08 | 467 | muxer_upstream_notif_iter->notif_iter, ¬ifs, &count); |
fed72692 PP |
468 | BT_LOGV("Upstream notification iterator's \"next\" method returned: " |
469 | "status=%s", bt_notification_iterator_status_string(status)); | |
ab11110e | 470 | |
089717de | 471 | switch (status) { |
ab11110e | 472 | case BT_NOTIFICATION_ITERATOR_STATUS_OK: |
089717de | 473 | /* |
d4393e08 PP |
474 | * Notification iterator's current notification is |
475 | * valid: it must be considered for muxing operations. | |
089717de | 476 | */ |
fed72692 | 477 | BT_LOGV_STR("Validated upstream notification iterator wrapper."); |
d4393e08 PP |
478 | BT_ASSERT(count > 0); |
479 | ||
480 | /* Move notifications to our queue */ | |
481 | for (i = 0; i < count; i++) { | |
482 | /* | |
483 | * Push to tail in order; other side | |
484 | * (muxer_notif_iter_do_next_one()) consumes | |
485 | * from the head first. | |
486 | */ | |
487 | g_queue_push_tail(muxer_upstream_notif_iter->notifs, | |
488 | notifs[i]); | |
489 | } | |
ab11110e PP |
490 | break; |
491 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: | |
089717de PP |
492 | /* |
493 | * Notification iterator's current notification is not | |
494 | * valid anymore. Return | |
d4393e08 | 495 | * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN immediately. |
089717de | 496 | */ |
ab11110e | 497 | break; |
beed0223 MD |
498 | case BT_NOTIFICATION_ITERATOR_STATUS_END: /* Fall-through. */ |
499 | case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED: | |
ab11110e PP |
500 | /* |
501 | * Notification iterator reached the end: release it. It | |
502 | * won't be considered again to find the youngest | |
503 | * notification. | |
504 | */ | |
65300d60 | 505 | BT_OBJECT_PUT_REF_AND_RESET(muxer_upstream_notif_iter->notif_iter); |
089717de PP |
506 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; |
507 | break; | |
ab11110e PP |
508 | default: |
509 | /* Error or unsupported status code */ | |
fed72692 PP |
510 | BT_LOGE("Error or unsupported status code: " |
511 | "status-code=%d", status); | |
089717de PP |
512 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
513 | break; | |
ab11110e PP |
514 | } |
515 | ||
089717de | 516 | return status; |
ab11110e PP |
517 | } |
518 | ||
519 | static | |
089717de | 520 | int muxer_notif_iter_handle_newly_connected_ports( |
ab11110e PP |
521 | struct muxer_notif_iter *muxer_notif_iter) |
522 | { | |
ab11110e PP |
523 | int ret = 0; |
524 | ||
fed72692 PP |
525 | BT_LOGV("Handling newly connected ports: " |
526 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
527 | ||
ab11110e PP |
528 | /* |
529 | * Here we create one upstream notification iterator for each | |
d4393e08 | 530 | * newly connected port. We do NOT perform an initial "next" on |
089717de PP |
531 | * those new upstream notification iterators: they are |
532 | * invalidated, to be validated later. The list of newly | |
533 | * connected ports to handle here is updated by | |
534 | * muxer_port_connected(). | |
ab11110e PP |
535 | */ |
536 | while (true) { | |
537 | GList *node = muxer_notif_iter->newly_connected_priv_ports; | |
538 | struct bt_private_port *priv_port; | |
539 | struct bt_port *port; | |
540 | struct bt_notification_iterator *upstream_notif_iter = NULL; | |
541 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; | |
542 | ||
543 | if (!node) { | |
544 | break; | |
545 | } | |
546 | ||
547 | priv_port = node->data; | |
5c563278 | 548 | port = bt_port_borrow_from_private(priv_port); |
f6ccaed9 | 549 | BT_ASSERT(port); |
ab11110e PP |
550 | |
551 | if (!bt_port_is_connected(port)) { | |
552 | /* | |
553 | * Looks like this port is not connected | |
554 | * anymore: we can't create an upstream | |
089717de PP |
555 | * notification iterator on its (non-existing) |
556 | * connection in this case. | |
ab11110e PP |
557 | */ |
558 | goto remove_node; | |
559 | } | |
560 | ||
ab11110e PP |
561 | upstream_notif_iter = create_notif_iter_on_input_port(priv_port, |
562 | &ret); | |
563 | if (ret) { | |
fed72692 | 564 | /* create_notif_iter_on_input_port() logs errors */ |
f6ccaed9 | 565 | BT_ASSERT(!upstream_notif_iter); |
ab11110e PP |
566 | goto error; |
567 | } | |
568 | ||
569 | muxer_upstream_notif_iter = | |
570 | muxer_notif_iter_add_upstream_notif_iter( | |
571 | muxer_notif_iter, upstream_notif_iter, | |
572 | priv_port); | |
65300d60 | 573 | BT_OBJECT_PUT_REF_AND_RESET(upstream_notif_iter); |
ab11110e | 574 | if (!muxer_upstream_notif_iter) { |
fed72692 PP |
575 | /* |
576 | * muxer_notif_iter_add_upstream_notif_iter() | |
577 | * logs errors. | |
578 | */ | |
ab11110e PP |
579 | goto error; |
580 | } | |
581 | ||
ab11110e | 582 | remove_node: |
65300d60 | 583 | bt_object_put_ref(upstream_notif_iter); |
ab11110e PP |
584 | muxer_notif_iter->newly_connected_priv_ports = |
585 | g_list_delete_link( | |
586 | muxer_notif_iter->newly_connected_priv_ports, | |
587 | node); | |
588 | } | |
589 | ||
590 | goto end; | |
591 | ||
592 | error: | |
089717de | 593 | if (ret >= 0) { |
ab11110e PP |
594 | ret = -1; |
595 | } | |
596 | ||
597 | end: | |
ab11110e PP |
598 | return ret; |
599 | } | |
600 | ||
958f7d11 PP |
601 | static |
602 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 603 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
604 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
605 | int64_t *ts_ns) | |
606 | { | |
50842bdc PP |
607 | struct bt_clock_class *clock_class = NULL; |
608 | struct bt_clock_value *clock_value = NULL; | |
609 | struct bt_event *event = NULL; | |
958f7d11 | 610 | int ret = 0; |
282c8cd0 | 611 | const unsigned char *cc_uuid; |
fed72692 | 612 | const char *cc_name; |
44c440bc | 613 | enum bt_clock_value_status cv_status = BT_CLOCK_VALUE_STATUS_KNOWN; |
958f7d11 | 614 | |
f6ccaed9 PP |
615 | BT_ASSERT(notif); |
616 | BT_ASSERT(ts_ns); | |
958f7d11 | 617 | |
fed72692 PP |
618 | BT_LOGV("Getting notification's timestamp: " |
619 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
620 | "last-returned-ts=%" PRId64, | |
621 | muxer_notif_iter, notif, last_returned_ts_ns); | |
622 | ||
958f7d11 PP |
623 | switch (bt_notification_get_type(notif)) { |
624 | case BT_NOTIFICATION_TYPE_EVENT: | |
e22b45d0 PP |
625 | event = bt_notification_event_borrow_event(notif); |
626 | BT_ASSERT(event); | |
44c440bc PP |
627 | cv_status = bt_event_borrow_default_clock_value(event, |
628 | &clock_value); | |
958f7d11 PP |
629 | break; |
630 | ||
631 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
e22b45d0 PP |
632 | clock_value = |
633 | bt_notification_inactivity_borrow_default_clock_value( | |
958f7d11 PP |
634 | notif); |
635 | break; | |
636 | default: | |
089717de | 637 | /* All the other notifications have a higher priority */ |
fed72692 | 638 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
639 | *ts_ns = last_returned_ts_ns; |
640 | goto end; | |
641 | } | |
642 | ||
44c440bc PP |
643 | if (cv_status != BT_CLOCK_VALUE_STATUS_KNOWN) { |
644 | BT_LOGE_STR("Unsupported unknown clock value."); | |
645 | ret = -1; | |
646 | goto end; | |
647 | } | |
648 | ||
958f7d11 | 649 | /* |
e22b45d0 PP |
650 | * If the clock value is missing, then we consider that this |
651 | * notification has no time. In this case it's always the | |
652 | * youngest. | |
958f7d11 | 653 | */ |
e22b45d0 PP |
654 | if (!clock_value) { |
655 | BT_LOGV_STR("Notification's default clock value is missing: " | |
fed72692 | 656 | "using the last returned timestamp."); |
958f7d11 PP |
657 | *ts_ns = last_returned_ts_ns; |
658 | goto end; | |
659 | } | |
660 | ||
44c440bc | 661 | clock_class = bt_clock_value_borrow_clock_class(clock_value); |
e22b45d0 | 662 | BT_ASSERT(clock_class); |
50842bdc PP |
663 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
664 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 PP |
665 | |
666 | if (muxer_notif_iter->clock_class_expectation == | |
667 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
668 | /* | |
669 | * This is the first clock class that this muxer | |
670 | * notification iterator encounters. Its properties | |
671 | * determine what to expect for the whole lifetime of | |
672 | * the iterator without a true | |
673 | * `assume-absolute-clock-classes` parameter. | |
674 | */ | |
50842bdc | 675 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 PP |
676 | /* Expect absolute clock classes */ |
677 | muxer_notif_iter->clock_class_expectation = | |
678 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
679 | } else { | |
680 | if (cc_uuid) { | |
681 | /* | |
682 | * Expect non-absolute clock classes | |
683 | * with a specific UUID. | |
684 | */ | |
685 | muxer_notif_iter->clock_class_expectation = | |
686 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
687 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
688 | cc_uuid, BABELTRACE_UUID_LEN); | |
689 | } else { | |
690 | /* | |
691 | * Expect non-absolute clock classes | |
692 | * with no UUID. | |
693 | */ | |
694 | muxer_notif_iter->clock_class_expectation = | |
695 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
696 | } | |
697 | } | |
698 | } | |
699 | ||
700 | if (!muxer_comp->assume_absolute_clock_classes) { | |
701 | switch (muxer_notif_iter->clock_class_expectation) { | |
702 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
50842bdc | 703 | if (!bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
704 | BT_LOGE("Expecting an absolute clock class, " |
705 | "but got a non-absolute one: " | |
706 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
707 | clock_class, cc_name); | |
282c8cd0 PP |
708 | goto error; |
709 | } | |
710 | break; | |
711 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
50842bdc | 712 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
713 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
714 | "but got an absolute one: " | |
715 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
716 | clock_class, cc_name); | |
282c8cd0 PP |
717 | goto error; |
718 | } | |
719 | ||
720 | if (cc_uuid) { | |
fed72692 PP |
721 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
722 | "but got one with a UUID: " | |
723 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
724 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
725 | clock_class, cc_name, | |
726 | (unsigned int) cc_uuid[0], | |
727 | (unsigned int) cc_uuid[1], | |
728 | (unsigned int) cc_uuid[2], | |
729 | (unsigned int) cc_uuid[3], | |
730 | (unsigned int) cc_uuid[4], | |
731 | (unsigned int) cc_uuid[5], | |
732 | (unsigned int) cc_uuid[6], | |
733 | (unsigned int) cc_uuid[7], | |
734 | (unsigned int) cc_uuid[8], | |
735 | (unsigned int) cc_uuid[9], | |
736 | (unsigned int) cc_uuid[10], | |
737 | (unsigned int) cc_uuid[11], | |
738 | (unsigned int) cc_uuid[12], | |
739 | (unsigned int) cc_uuid[13], | |
740 | (unsigned int) cc_uuid[14], | |
741 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
742 | goto error; |
743 | } | |
744 | break; | |
745 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
50842bdc | 746 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
747 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
748 | "but got an absolute one: " | |
749 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
750 | clock_class, cc_name); | |
282c8cd0 PP |
751 | goto error; |
752 | } | |
753 | ||
754 | if (!cc_uuid) { | |
fed72692 PP |
755 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
756 | "but got one with no UUID: " | |
757 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
758 | clock_class, cc_name); | |
282c8cd0 PP |
759 | goto error; |
760 | } | |
761 | ||
762 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
763 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
fed72692 PP |
764 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
765 | "but got one with different UUID: " | |
766 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
767 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
768 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
769 | clock_class, cc_name, | |
770 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
771 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
772 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
773 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
774 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
775 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
776 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
777 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
778 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
779 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
780 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
781 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
782 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
783 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
784 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
785 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
786 | (unsigned int) cc_uuid[0], | |
787 | (unsigned int) cc_uuid[1], | |
788 | (unsigned int) cc_uuid[2], | |
789 | (unsigned int) cc_uuid[3], | |
790 | (unsigned int) cc_uuid[4], | |
791 | (unsigned int) cc_uuid[5], | |
792 | (unsigned int) cc_uuid[6], | |
793 | (unsigned int) cc_uuid[7], | |
794 | (unsigned int) cc_uuid[8], | |
795 | (unsigned int) cc_uuid[9], | |
796 | (unsigned int) cc_uuid[10], | |
797 | (unsigned int) cc_uuid[11], | |
798 | (unsigned int) cc_uuid[12], | |
799 | (unsigned int) cc_uuid[13], | |
800 | (unsigned int) cc_uuid[14], | |
801 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
802 | goto error; |
803 | } | |
804 | break; | |
805 | default: | |
806 | /* Unexpected */ | |
fed72692 PP |
807 | BT_LOGF("Unexpected clock class expectation: " |
808 | "expectation-code=%d", | |
809 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
810 | abort(); |
811 | } | |
958f7d11 PP |
812 | } |
813 | ||
44c440bc | 814 | ret = bt_clock_value_get_ns_from_origin(clock_value, ts_ns); |
958f7d11 | 815 | if (ret) { |
fed72692 PP |
816 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
817 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
818 | goto error; |
819 | } | |
820 | ||
821 | goto end; | |
822 | ||
823 | error: | |
824 | ret = -1; | |
825 | ||
826 | end: | |
fed72692 PP |
827 | if (ret == 0) { |
828 | BT_LOGV("Found notification's timestamp: " | |
829 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
830 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
831 | muxer_notif_iter, notif, last_returned_ts_ns, | |
832 | *ts_ns); | |
833 | } | |
834 | ||
958f7d11 PP |
835 | return ret; |
836 | } | |
837 | ||
ab11110e PP |
838 | /* |
839 | * This function finds the youngest available notification amongst the | |
840 | * non-ended upstream notification iterators and returns the upstream | |
841 | * notification iterator which has it, or | |
842 | * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available | |
843 | * notification. | |
844 | * | |
845 | * This function does NOT: | |
846 | * | |
847 | * * Update any upstream notification iterator. | |
848 | * * Check for newly connected ports. | |
849 | * * Check the upstream notification iterators to retry. | |
850 | * | |
851 | * On sucess, this function sets *muxer_upstream_notif_iter to the | |
852 | * upstream notification iterator of which the current notification is | |
853 | * the youngest, and sets *ts_ns to its time. | |
854 | */ | |
958f7d11 PP |
855 | static |
856 | enum bt_notification_iterator_status | |
857 | muxer_notif_iter_youngest_upstream_notif_iter( | |
858 | struct muxer_comp *muxer_comp, | |
859 | struct muxer_notif_iter *muxer_notif_iter, | |
860 | struct muxer_upstream_notif_iter **muxer_upstream_notif_iter, | |
861 | int64_t *ts_ns) | |
862 | { | |
863 | size_t i; | |
864 | int ret; | |
865 | int64_t youngest_ts_ns = INT64_MAX; | |
866 | enum bt_notification_iterator_status status = | |
867 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
868 | ||
f6ccaed9 PP |
869 | BT_ASSERT(muxer_comp); |
870 | BT_ASSERT(muxer_notif_iter); | |
871 | BT_ASSERT(muxer_upstream_notif_iter); | |
958f7d11 PP |
872 | *muxer_upstream_notif_iter = NULL; |
873 | ||
874 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { | |
875 | struct bt_notification *notif; | |
876 | struct muxer_upstream_notif_iter *cur_muxer_upstream_notif_iter = | |
877 | g_ptr_array_index(muxer_notif_iter->muxer_upstream_notif_iters, i); | |
878 | int64_t notif_ts_ns; | |
879 | ||
880 | if (!cur_muxer_upstream_notif_iter->notif_iter) { | |
ab11110e | 881 | /* This upstream notification iterator is ended */ |
fed72692 PP |
882 | BT_LOGV("Skipping ended upstream notification iterator: " |
883 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
884 | cur_muxer_upstream_notif_iter); | |
958f7d11 PP |
885 | continue; |
886 | } | |
887 | ||
d4393e08 PP |
888 | BT_ASSERT(cur_muxer_upstream_notif_iter->notifs->length > 0); |
889 | notif = g_queue_peek_head(cur_muxer_upstream_notif_iter->notifs); | |
f6ccaed9 | 890 | BT_ASSERT(notif); |
282c8cd0 | 891 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 | 892 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
958f7d11 | 893 | if (ret) { |
fed72692 | 894 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
895 | *muxer_upstream_notif_iter = NULL; |
896 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
897 | goto end; | |
898 | } | |
899 | ||
900 | if (notif_ts_ns <= youngest_ts_ns) { | |
901 | *muxer_upstream_notif_iter = | |
902 | cur_muxer_upstream_notif_iter; | |
903 | youngest_ts_ns = notif_ts_ns; | |
904 | *ts_ns = youngest_ts_ns; | |
905 | } | |
906 | } | |
907 | ||
908 | if (!*muxer_upstream_notif_iter) { | |
909 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
910 | *ts_ns = INT64_MIN; | |
911 | } | |
912 | ||
913 | end: | |
914 | return status; | |
915 | } | |
916 | ||
917 | static | |
089717de PP |
918 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
919 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 920 | { |
089717de PP |
921 | enum bt_notification_iterator_status status = |
922 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 923 | |
fed72692 PP |
924 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
925 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
926 | muxer_upstream_notif_iter); | |
927 | ||
d4393e08 | 928 | if (muxer_upstream_notif_iter->notifs->length > 0 || |
089717de | 929 | !muxer_upstream_notif_iter->notif_iter) { |
d4393e08 PP |
930 | BT_LOGV("Already valid or not considered: " |
931 | "queue-len=%u, upstream-notif-iter-addr=%p", | |
932 | muxer_upstream_notif_iter->notifs->length, | |
933 | muxer_upstream_notif_iter->notif_iter); | |
ab11110e PP |
934 | goto end; |
935 | } | |
936 | ||
fed72692 | 937 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
938 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
939 | ||
940 | end: | |
941 | return status; | |
942 | } | |
943 | ||
944 | static | |
945 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
d4393e08 | 946 | struct muxer_notif_iter *muxer_notif_iter) |
089717de PP |
947 | { |
948 | enum bt_notification_iterator_status status = | |
949 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
950 | size_t i; | |
951 | ||
fed72692 PP |
952 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
953 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
954 | ||
089717de PP |
955 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
956 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
957 | g_ptr_array_index( | |
958 | muxer_notif_iter->muxer_upstream_notif_iters, | |
959 | i); | |
960 | ||
961 | status = validate_muxer_upstream_notif_iter( | |
962 | muxer_upstream_notif_iter); | |
963 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
fed72692 PP |
964 | if (status < 0) { |
965 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
966 | "muxer-notif-iter-addr=%p, " | |
967 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
968 | muxer_notif_iter, | |
969 | muxer_upstream_notif_iter); | |
970 | } else { | |
971 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
972 | "muxer-notif-iter-addr=%p, " | |
973 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
974 | muxer_notif_iter, | |
975 | muxer_upstream_notif_iter); | |
976 | } | |
977 | ||
089717de PP |
978 | goto end; |
979 | } | |
744ba28b PP |
980 | |
981 | /* | |
982 | * Remove this muxer upstream notification iterator | |
983 | * if it's ended or canceled. | |
984 | */ | |
985 | if (!muxer_upstream_notif_iter->notif_iter) { | |
986 | /* | |
987 | * Use g_ptr_array_remove_fast() because the | |
988 | * order of those elements is not important. | |
989 | */ | |
fed72692 PP |
990 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
991 | "muxer-notif-iter-addr=%p, " | |
992 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
993 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
994 | g_ptr_array_remove_index_fast( |
995 | muxer_notif_iter->muxer_upstream_notif_iters, | |
996 | i); | |
997 | i--; | |
998 | } | |
089717de PP |
999 | } |
1000 | ||
1001 | end: | |
1002 | return status; | |
1003 | } | |
1004 | ||
d4393e08 PP |
1005 | static inline |
1006 | enum bt_notification_iterator_status muxer_notif_iter_do_next_one( | |
089717de | 1007 | struct muxer_comp *muxer_comp, |
d4393e08 PP |
1008 | struct muxer_notif_iter *muxer_notif_iter, |
1009 | struct bt_notification **notif) | |
089717de | 1010 | { |
d4393e08 PP |
1011 | enum bt_notification_iterator_status status = |
1012 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
089717de | 1013 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; |
089717de PP |
1014 | int64_t next_return_ts; |
1015 | ||
1016 | while (true) { | |
1017 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1018 | muxer_notif_iter); | |
1019 | ||
1020 | if (ret) { | |
fed72692 PP |
1021 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1022 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1023 | "ret=%d", | |
1024 | muxer_comp, muxer_notif_iter, ret); | |
d4393e08 | 1025 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
089717de PP |
1026 | goto end; |
1027 | } | |
1028 | ||
d4393e08 PP |
1029 | status = validate_muxer_upstream_notif_iters(muxer_notif_iter); |
1030 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
3823b499 | 1031 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1032 | goto end; |
1033 | } | |
ab11110e | 1034 | |
958f7d11 | 1035 | /* |
089717de PP |
1036 | * At this point, we know that all the existing upstream |
1037 | * notification iterators are valid. However the | |
1038 | * operations to validate them (during | |
1039 | * validate_muxer_upstream_notif_iters()) may have | |
1040 | * connected new ports. If no ports were connected | |
1041 | * during this operation, exit the loop. | |
958f7d11 | 1042 | */ |
089717de | 1043 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1044 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1045 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1046 | break; |
1047 | } | |
958f7d11 PP |
1048 | } |
1049 | ||
f6ccaed9 | 1050 | BT_ASSERT(!muxer_notif_iter->newly_connected_priv_ports); |
089717de | 1051 | |
958f7d11 | 1052 | /* |
089717de PP |
1053 | * At this point we know that all the existing upstream |
1054 | * notification iterators are valid. We can find the one, | |
1055 | * amongst those, of which the current notification is the | |
1056 | * youngest. | |
958f7d11 | 1057 | */ |
d4393e08 | 1058 | status = muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
958f7d11 | 1059 | muxer_notif_iter, &muxer_upstream_notif_iter, |
089717de | 1060 | &next_return_ts); |
d4393e08 PP |
1061 | if (status < 0 || status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1062 | status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
1063 | if (status < 0) { | |
fed72692 PP |
1064 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " |
1065 | "status=%s", | |
d4393e08 | 1066 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1067 | } else { |
1068 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1069 | "status=%s", | |
d4393e08 | 1070 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1071 | } |
1072 | ||
958f7d11 PP |
1073 | goto end; |
1074 | } | |
1075 | ||
089717de | 1076 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
fed72692 PP |
1077 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1078 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1079 | "last-returned-ts=%" PRId64, | |
1080 | muxer_notif_iter, next_return_ts, | |
1081 | muxer_notif_iter->last_returned_ts_ns); | |
d4393e08 | 1082 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1083 | goto end; |
1084 | } | |
1085 | ||
fed72692 PP |
1086 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1087 | "muxer-notif-iter-addr=%p, " | |
1088 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1089 | "ts=%" PRId64, | |
1090 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
d4393e08 | 1091 | BT_ASSERT(status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
f6ccaed9 | 1092 | BT_ASSERT(muxer_upstream_notif_iter); |
958f7d11 PP |
1093 | |
1094 | /* | |
d4393e08 PP |
1095 | * Consume from the queue's head: other side |
1096 | * (muxer_upstream_notif_iter_next()) writes to the tail. | |
958f7d11 | 1097 | */ |
d4393e08 PP |
1098 | *notif = g_queue_pop_head(muxer_upstream_notif_iter->notifs); |
1099 | BT_ASSERT(*notif); | |
089717de | 1100 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; |
958f7d11 PP |
1101 | |
1102 | end: | |
d4393e08 PP |
1103 | return status; |
1104 | } | |
1105 | ||
1106 | static | |
1107 | enum bt_notification_iterator_status muxer_notif_iter_do_next( | |
1108 | struct muxer_comp *muxer_comp, | |
1109 | struct muxer_notif_iter *muxer_notif_iter, | |
1110 | bt_notification_array notifs, uint64_t capacity, | |
1111 | uint64_t *count) | |
1112 | { | |
1113 | enum bt_notification_iterator_status status = | |
1114 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1115 | uint64_t i = 0; | |
1116 | ||
1117 | while (i < capacity && status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
1118 | status = muxer_notif_iter_do_next_one(muxer_comp, | |
1119 | muxer_notif_iter, ¬ifs[i]); | |
1120 | if (status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
1121 | i++; | |
1122 | } | |
1123 | } | |
1124 | ||
1125 | if (i > 0) { | |
1126 | /* | |
1127 | * Even if muxer_notif_iter_do_next_one() returned | |
1128 | * something else than | |
1129 | * BT_NOTIFICATION_ITERATOR_STATUS_OK, we accumulated | |
1130 | * notification objects in the output notification | |
1131 | * array, so we need to return | |
1132 | * BT_NOTIFICATION_ITERATOR_STATUS_OK so that they are | |
1133 | * transfered to downstream. This other status occurs | |
1134 | * again the next time muxer_notif_iter_do_next() is | |
1135 | * called, possibly without any accumulated | |
1136 | * notification, in which case we'll return it. | |
1137 | */ | |
1138 | *count = i; | |
1139 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1140 | } | |
1141 | ||
1142 | return status; | |
958f7d11 PP |
1143 | } |
1144 | ||
1145 | static | |
ab11110e PP |
1146 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1147 | { | |
ab11110e PP |
1148 | if (!muxer_notif_iter) { |
1149 | return; | |
1150 | } | |
1151 | ||
fed72692 PP |
1152 | BT_LOGD("Destroying muxer component's notification iterator: " |
1153 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1154 | ||
ab11110e | 1155 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
fed72692 | 1156 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1157 | g_ptr_array_free( |
1158 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1159 | } | |
1160 | ||
ab11110e PP |
1161 | g_list_free(muxer_notif_iter->newly_connected_priv_ports); |
1162 | g_free(muxer_notif_iter); | |
1163 | } | |
1164 | ||
1165 | static | |
1166 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1167 | struct muxer_notif_iter *muxer_notif_iter) |
1168 | { | |
ab11110e | 1169 | struct bt_component *comp; |
544d0515 PP |
1170 | int64_t count; |
1171 | int64_t i; | |
ab11110e | 1172 | int ret = 0; |
958f7d11 | 1173 | |
ab11110e PP |
1174 | /* |
1175 | * Add the connected input ports to this muxer notification | |
1176 | * iterator's list of newly connected ports. They will be | |
1177 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1178 | */ | |
5c563278 | 1179 | comp = bt_component_borrow_from_private(muxer_comp->priv_comp); |
f6ccaed9 | 1180 | BT_ASSERT(comp); |
544d0515 PP |
1181 | count = bt_component_filter_get_input_port_count(comp); |
1182 | if (count < 0) { | |
fed72692 PP |
1183 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1184 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1185 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1186 | goto end; |
1187 | } | |
958f7d11 PP |
1188 | |
1189 | for (i = 0; i < count; i++) { | |
1190 | struct bt_private_port *priv_port = | |
9ac68eb1 | 1191 | bt_private_component_filter_get_input_private_port_by_index( |
958f7d11 PP |
1192 | muxer_comp->priv_comp, i); |
1193 | struct bt_port *port; | |
958f7d11 | 1194 | |
f6ccaed9 | 1195 | BT_ASSERT(priv_port); |
5c563278 | 1196 | port = bt_port_borrow_from_private(priv_port); |
f6ccaed9 | 1197 | BT_ASSERT(port); |
958f7d11 PP |
1198 | |
1199 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1200 | BT_LOGD("Skipping input port: not connected: " |
1201 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1202 | muxer_comp, port, bt_port_get_name(port)); | |
65300d60 | 1203 | bt_object_put_ref(priv_port); |
958f7d11 PP |
1204 | continue; |
1205 | } | |
1206 | ||
65300d60 | 1207 | bt_object_put_ref(priv_port); |
ab11110e PP |
1208 | muxer_notif_iter->newly_connected_priv_ports = |
1209 | g_list_append( | |
1210 | muxer_notif_iter->newly_connected_priv_ports, | |
958f7d11 | 1211 | priv_port); |
ab11110e | 1212 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1213 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1214 | "port-addr=%p, port-name=\"%s\", " | |
1215 | "muxer-notif-iter-addr=%p", port, | |
1216 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1217 | ret = -1; |
1218 | goto end; | |
958f7d11 | 1219 | } |
fed72692 PP |
1220 | |
1221 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1222 | "port-addr=%p, port-name=\"%s\", " | |
1223 | "muxer-notif-iter-addr=%p", port, | |
1224 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1225 | } |
1226 | ||
1227 | end: | |
958f7d11 PP |
1228 | return ret; |
1229 | } | |
1230 | ||
958f7d11 PP |
1231 | BT_HIDDEN |
1232 | enum bt_notification_iterator_status muxer_notif_iter_init( | |
90157d89 | 1233 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, |
958f7d11 PP |
1234 | struct bt_private_port *output_priv_port) |
1235 | { | |
1236 | struct muxer_comp *muxer_comp = NULL; | |
1237 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
1238 | struct bt_private_component *priv_comp = NULL; | |
1239 | enum bt_notification_iterator_status status = | |
1240 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1241 | int ret; | |
1242 | ||
90157d89 | 1243 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1244 | priv_notif_iter); |
f6ccaed9 | 1245 | BT_ASSERT(priv_comp); |
958f7d11 | 1246 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
f6ccaed9 | 1247 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1248 | BT_LOGD("Initializing muxer component's notification iterator: " |
1249 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1250 | priv_comp, muxer_comp, priv_notif_iter); | |
a09c6b95 PP |
1251 | |
1252 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1253 | /* | |
089717de PP |
1254 | * Weird, unhandled situation detected: downstream |
1255 | * creates a muxer notification iterator while creating | |
1256 | * another muxer notification iterator (same component). | |
a09c6b95 | 1257 | */ |
fed72692 PP |
1258 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1259 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
1260 | priv_comp, muxer_comp, priv_notif_iter); | |
958f7d11 PP |
1261 | goto error; |
1262 | } | |
1263 | ||
a09c6b95 PP |
1264 | muxer_comp->initializing_muxer_notif_iter = true; |
1265 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1266 | if (!muxer_notif_iter) { | |
fed72692 | 1267 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1268 | goto error; |
1269 | } | |
1270 | ||
958f7d11 PP |
1271 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1272 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1273 | g_ptr_array_new_with_free_func( | |
1274 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1275 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
fed72692 | 1276 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1277 | goto error; |
1278 | } | |
1279 | ||
a09c6b95 PP |
1280 | /* |
1281 | * Add the muxer notification iterator to the component's array | |
1282 | * of muxer notification iterators here because | |
1283 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1284 | * muxer_port_connected() to be called, which adds the newly | |
1285 | * connected port to each muxer notification iterator's list of | |
1286 | * newly connected ports. | |
1287 | */ | |
1288 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1289 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1290 | muxer_notif_iter); | |
1291 | if (ret) { | |
fed72692 PP |
1292 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1293 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1294 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
1295 | priv_comp, muxer_comp, muxer_notif_iter, | |
1296 | priv_notif_iter, ret); | |
a09c6b95 PP |
1297 | goto error; |
1298 | } | |
1299 | ||
90157d89 | 1300 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 | 1301 | muxer_notif_iter); |
f6ccaed9 | 1302 | BT_ASSERT(ret == 0); |
fed72692 PP |
1303 | BT_LOGD("Initialized muxer component's notification iterator: " |
1304 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1305 | "notif-iter-addr=%p", | |
1306 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1307 | goto end; |
1308 | ||
1309 | error: | |
a09c6b95 PP |
1310 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1311 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1312 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1313 | muxer_comp->muxer_notif_iters->len - 1); | |
1314 | } | |
1315 | ||
958f7d11 | 1316 | destroy_muxer_notif_iter(muxer_notif_iter); |
90157d89 | 1317 | ret = bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
958f7d11 | 1318 | NULL); |
f6ccaed9 | 1319 | BT_ASSERT(ret == 0); |
958f7d11 PP |
1320 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
1321 | ||
1322 | end: | |
a09c6b95 | 1323 | muxer_comp->initializing_muxer_notif_iter = false; |
65300d60 | 1324 | bt_object_put_ref(priv_comp); |
958f7d11 PP |
1325 | return status; |
1326 | } | |
1327 | ||
1328 | BT_HIDDEN | |
1329 | void muxer_notif_iter_finalize( | |
90157d89 | 1330 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) |
958f7d11 PP |
1331 | { |
1332 | struct muxer_notif_iter *muxer_notif_iter = | |
90157d89 | 1333 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1334 | struct bt_private_component *priv_comp = NULL; |
1335 | struct muxer_comp *muxer_comp = NULL; | |
1336 | ||
90157d89 | 1337 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1338 | priv_notif_iter); |
f6ccaed9 | 1339 | BT_ASSERT(priv_comp); |
958f7d11 | 1340 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
fed72692 PP |
1341 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1342 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1343 | "notif-iter-addr=%p", | |
1344 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
958f7d11 PP |
1345 | |
1346 | if (muxer_comp) { | |
1347 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1348 | muxer_notif_iter); | |
1349 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1350 | } | |
1351 | ||
65300d60 | 1352 | bt_object_put_ref(priv_comp); |
958f7d11 PP |
1353 | } |
1354 | ||
1355 | BT_HIDDEN | |
d4393e08 PP |
1356 | enum bt_notification_iterator_status muxer_notif_iter_next( |
1357 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, | |
1358 | bt_notification_array notifs, uint64_t capacity, | |
1359 | uint64_t *count) | |
958f7d11 | 1360 | { |
d4393e08 | 1361 | enum bt_notification_iterator_status status; |
958f7d11 | 1362 | struct muxer_notif_iter *muxer_notif_iter = |
90157d89 | 1363 | bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter); |
958f7d11 PP |
1364 | struct bt_private_component *priv_comp = NULL; |
1365 | struct muxer_comp *muxer_comp = NULL; | |
958f7d11 | 1366 | |
f6ccaed9 | 1367 | BT_ASSERT(muxer_notif_iter); |
90157d89 | 1368 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
958f7d11 | 1369 | priv_notif_iter); |
f6ccaed9 | 1370 | BT_ASSERT(priv_comp); |
958f7d11 | 1371 | muxer_comp = bt_private_component_get_user_data(priv_comp); |
f6ccaed9 | 1372 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1373 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1374 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1375 | "notif-iter-addr=%p", | |
1376 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter); | |
1377 | ||
d4393e08 PP |
1378 | status = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter, |
1379 | notifs, capacity, count); | |
1380 | if (status < 0) { | |
fed72692 PP |
1381 | BT_LOGE("Cannot get next notification: " |
1382 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1383 | "notif-iter-addr=%p, status=%s", | |
1384 | priv_comp, muxer_comp, muxer_notif_iter, priv_notif_iter, | |
d4393e08 | 1385 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1386 | } else { |
1387 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
d4393e08 PP |
1388 | "status=%s", |
1389 | bt_notification_iterator_status_string(status)); | |
fed72692 | 1390 | } |
958f7d11 | 1391 | |
65300d60 | 1392 | bt_object_put_ref(priv_comp); |
d4393e08 | 1393 | return status; |
958f7d11 PP |
1394 | } |
1395 | ||
1396 | BT_HIDDEN | |
bf55043c | 1397 | enum bt_component_status muxer_port_connected( |
958f7d11 PP |
1398 | struct bt_private_component *priv_comp, |
1399 | struct bt_private_port *self_private_port, | |
1400 | struct bt_port *other_port) | |
1401 | { | |
bf55043c | 1402 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; |
958f7d11 | 1403 | struct bt_port *self_port = |
5c563278 | 1404 | bt_port_borrow_from_private(self_private_port); |
958f7d11 PP |
1405 | struct muxer_comp *muxer_comp = |
1406 | bt_private_component_get_user_data(priv_comp); | |
1407 | size_t i; | |
06a2cb0d | 1408 | int ret; |
958f7d11 | 1409 | |
f6ccaed9 PP |
1410 | BT_ASSERT(self_port); |
1411 | BT_ASSERT(muxer_comp); | |
fed72692 PP |
1412 | BT_LOGD("Port connected: " |
1413 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1414 | "port-addr=%p, port-name=\"%s\", " | |
1415 | "other-port-addr=%p, other-port-name=\"%s\"", | |
1416 | priv_comp, muxer_comp, self_port, bt_port_get_name(self_port), | |
1417 | other_port, bt_port_get_name(other_port)); | |
958f7d11 | 1418 | |
06a2cb0d PP |
1419 | if (bt_port_get_type(self_port) == BT_PORT_TYPE_OUTPUT) { |
1420 | goto end; | |
958f7d11 PP |
1421 | } |
1422 | ||
1423 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1424 | struct muxer_notif_iter *muxer_notif_iter = | |
1425 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1426 | ||
1427 | /* | |
ab11110e PP |
1428 | * Add this port to the list of newly connected ports |
1429 | * for this muxer notification iterator. We append at | |
1430 | * the end of this list while | |
1431 | * muxer_notif_iter_handle_newly_connected_ports() | |
1432 | * removes the nodes from the beginning. | |
958f7d11 | 1433 | */ |
ab11110e PP |
1434 | muxer_notif_iter->newly_connected_priv_ports = |
1435 | g_list_append( | |
1436 | muxer_notif_iter->newly_connected_priv_ports, | |
06a2cb0d | 1437 | self_private_port); |
ab11110e | 1438 | if (!muxer_notif_iter->newly_connected_priv_ports) { |
fed72692 PP |
1439 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1440 | "port-addr=%p, port-name=\"%s\", " | |
1441 | "muxer-notif-iter-addr=%p", self_port, | |
1442 | bt_port_get_name(self_port), muxer_notif_iter); | |
bf55043c | 1443 | status = BT_COMPONENT_STATUS_ERROR; |
958f7d11 PP |
1444 | goto end; |
1445 | } | |
fed72692 PP |
1446 | |
1447 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1448 | "port-addr=%p, port-name=\"%s\", " | |
1449 | "muxer-notif-iter-addr=%p", self_port, | |
1450 | bt_port_get_name(self_port), muxer_notif_iter); | |
958f7d11 PP |
1451 | } |
1452 | ||
06a2cb0d PP |
1453 | /* One less available input port */ |
1454 | muxer_comp->available_input_ports--; | |
1455 | ret = ensure_available_input_port(priv_comp); | |
1456 | if (ret) { | |
1457 | /* | |
1458 | * Only way to report an error later since this | |
1459 | * method does not return anything. | |
1460 | */ | |
fed72692 PP |
1461 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1462 | "muxer-comp-addr=%p, status=%s", | |
1463 | muxer_comp, bt_component_status_string(ret)); | |
bf55043c | 1464 | status = BT_COMPONENT_STATUS_ERROR; |
06a2cb0d PP |
1465 | goto end; |
1466 | } | |
1467 | ||
958f7d11 | 1468 | end: |
bf55043c | 1469 | return status; |
958f7d11 PP |
1470 | } |
1471 | ||
1472 | BT_HIDDEN | |
1473 | void muxer_port_disconnected(struct bt_private_component *priv_comp, | |
1474 | struct bt_private_port *priv_port) | |
1475 | { | |
5c563278 | 1476 | struct bt_port *port = bt_port_borrow_from_private(priv_port); |
958f7d11 PP |
1477 | struct muxer_comp *muxer_comp = |
1478 | bt_private_component_get_user_data(priv_comp); | |
1479 | ||
f6ccaed9 PP |
1480 | BT_ASSERT(port); |
1481 | BT_ASSERT(muxer_comp); | |
fed72692 PP |
1482 | BT_LOGD("Port disconnected: " |
1483 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1484 | "port-name=\"%s\"", priv_comp, muxer_comp, | |
1485 | port, bt_port_get_name(port)); | |
958f7d11 | 1486 | |
ab11110e PP |
1487 | /* |
1488 | * There's nothing special to do when a port is disconnected | |
1489 | * because this component deals with upstream notification | |
1490 | * iterators which were already created thanks to connected | |
1491 | * ports. The fact that the port is disconnected does not cancel | |
1492 | * the upstream notification iterators created using its | |
089717de PP |
1493 | * connection: they still exist, even if the connection is dead. |
1494 | * The only way to remove an upstream notification iterator is | |
1495 | * for its "next" operation to return | |
1496 | * BT_NOTIFICATION_ITERATOR_STATUS_END. | |
ab11110e | 1497 | */ |
958f7d11 PP |
1498 | if (bt_port_get_type(port) == BT_PORT_TYPE_INPUT) { |
1499 | /* One more available input port */ | |
1500 | muxer_comp->available_input_ports++; | |
fed72692 PP |
1501 | BT_LOGD("Leaving disconnected input port available for future connections: " |
1502 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1503 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1504 | priv_comp, muxer_comp, port, bt_port_get_name(port), | |
1505 | muxer_comp->available_input_ports); | |
958f7d11 | 1506 | } |
958f7d11 | 1507 | } |