Commit | Line | Data |
---|---|---|
958f7d11 PP |
1 | /* |
2 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
fed72692 PP |
23 | #define BT_LOG_TAG "PLUGIN-UTILS-MUXER-FLT" |
24 | #include "logging.h" | |
25 | ||
958f7d11 | 26 | #include <babeltrace/babeltrace-internal.h> |
282c8cd0 | 27 | #include <babeltrace/compat/uuid-internal.h> |
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 | |
d94d92ac | 47 | * bt_self_notification_iterator * |
90157d89 PP |
48 | * (weak refs) |
49 | */ | |
958f7d11 PP |
50 | GPtrArray *muxer_notif_iters; |
51 | ||
52 | /* Weak ref */ | |
d94d92ac PP |
53 | struct bt_self_component_filter *self_comp; |
54 | ||
958f7d11 PP |
55 | unsigned int next_port_num; |
56 | size_t available_input_ports; | |
a09c6b95 | 57 | bool initializing_muxer_notif_iter; |
282c8cd0 | 58 | bool assume_absolute_clock_classes; |
958f7d11 PP |
59 | }; |
60 | ||
61 | struct muxer_upstream_notif_iter { | |
ab11110e | 62 | /* Owned by this, NULL if ended */ |
d94d92ac | 63 | struct bt_self_component_port_input_notification_iterator *notif_iter; |
958f7d11 | 64 | |
d4393e08 PP |
65 | /* Contains `struct bt_notification *`, owned by this */ |
66 | GQueue *notifs; | |
958f7d11 PP |
67 | }; |
68 | ||
282c8cd0 PP |
69 | enum muxer_notif_iter_clock_class_expectation { |
70 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
71 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
72 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
73 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
74 | }; | |
75 | ||
958f7d11 | 76 | struct muxer_notif_iter { |
ab11110e PP |
77 | /* |
78 | * Array of struct muxer_upstream_notif_iter * (owned by this). | |
79 | * | |
80 | * NOTE: This array is searched in linearly to find the youngest | |
81 | * current notification. Keep this until benchmarks confirm that | |
82 | * another data structure is faster than this for our typical | |
83 | * use cases. | |
84 | */ | |
958f7d11 PP |
85 | GPtrArray *muxer_upstream_notif_iters; |
86 | ||
ab11110e | 87 | /* |
06a2cb0d | 88 | * List of "recently" connected input ports (weak) to |
ab11110e PP |
89 | * handle by this muxer notification iterator. |
90 | * muxer_port_connected() adds entries to this list, and the | |
91 | * entries are removed when a notification iterator is created | |
92 | * on the port's connection and put into | |
93 | * muxer_upstream_notif_iters above by | |
94 | * muxer_notif_iter_handle_newly_connected_ports(). | |
95 | */ | |
d94d92ac | 96 | GList *newly_connected_self_ports; |
958f7d11 | 97 | |
958f7d11 PP |
98 | /* Last time returned in a notification */ |
99 | int64_t last_returned_ts_ns; | |
282c8cd0 PP |
100 | |
101 | /* Clock class expectation state */ | |
102 | enum muxer_notif_iter_clock_class_expectation clock_class_expectation; | |
103 | ||
104 | /* | |
105 | * Expected clock class UUID, only valid when | |
106 | * clock_class_expectation is | |
107 | * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. | |
108 | */ | |
109 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
110 | }; |
111 | ||
ab11110e PP |
112 | static |
113 | void destroy_muxer_upstream_notif_iter( | |
114 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
115 | { | |
116 | if (!muxer_upstream_notif_iter) { | |
117 | return; | |
118 | } | |
119 | ||
fed72692 | 120 | BT_LOGD("Destroying muxer's upstream notification iterator wrapper: " |
d4393e08 | 121 | "addr=%p, notif-iter-addr=%p, queue-len=%u", |
fed72692 PP |
122 | muxer_upstream_notif_iter, |
123 | muxer_upstream_notif_iter->notif_iter, | |
d4393e08 | 124 | muxer_upstream_notif_iter->notifs->length); |
65300d60 | 125 | bt_object_put_ref(muxer_upstream_notif_iter->notif_iter); |
d4393e08 PP |
126 | |
127 | if (muxer_upstream_notif_iter->notifs) { | |
128 | struct bt_notification *notif; | |
129 | ||
130 | while ((notif = g_queue_pop_head( | |
131 | muxer_upstream_notif_iter->notifs))) { | |
65300d60 | 132 | bt_object_put_ref(notif); |
d4393e08 PP |
133 | } |
134 | ||
135 | g_queue_free(muxer_upstream_notif_iter->notifs); | |
136 | } | |
137 | ||
ab11110e PP |
138 | g_free(muxer_upstream_notif_iter); |
139 | } | |
140 | ||
958f7d11 PP |
141 | static |
142 | struct muxer_upstream_notif_iter *muxer_notif_iter_add_upstream_notif_iter( | |
143 | struct muxer_notif_iter *muxer_notif_iter, | |
d94d92ac | 144 | struct bt_self_component_port_input_notification_iterator *self_notif_iter) |
958f7d11 PP |
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 | ||
398454ed PP |
154 | muxer_upstream_notif_iter->notif_iter = self_notif_iter; |
155 | bt_object_get_ref(muxer_upstream_notif_iter->notif_iter); | |
d4393e08 PP |
156 | muxer_upstream_notif_iter->notifs = g_queue_new(); |
157 | if (!muxer_upstream_notif_iter->notifs) { | |
158 | BT_LOGE_STR("Failed to allocate a GQueue."); | |
d4393e08 PP |
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, | |
d94d92ac | 167 | self_notif_iter); |
958f7d11 PP |
168 | |
169 | end: | |
170 | return muxer_upstream_notif_iter; | |
171 | } | |
172 | ||
958f7d11 | 173 | static |
d94d92ac PP |
174 | enum bt_self_component_status ensure_available_input_port( |
175 | struct bt_self_component_filter *self_comp) | |
958f7d11 | 176 | { |
d94d92ac | 177 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 178 | bt_self_component_filter_as_self_component(self_comp)); |
d94d92ac | 179 | enum bt_self_component_status status = BT_SELF_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."); |
d94d92ac | 191 | status = BT_SELF_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
192 | goto end; |
193 | } | |
194 | ||
195 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
d94d92ac PP |
196 | status = bt_self_component_filter_add_input_port( |
197 | self_comp, port_name->str, NULL, NULL); | |
198 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
fed72692 PP |
199 | BT_LOGE("Cannot add input port to muxer component: " |
200 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
d94d92ac PP |
201 | port_name->str, self_comp, |
202 | bt_self_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", | |
d94d92ac | 210 | port_name->str, self_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 |
d94d92ac PP |
220 | enum bt_self_component_status create_output_port( |
221 | struct bt_self_component_filter *self_comp) | |
958f7d11 | 222 | { |
d94d92ac PP |
223 | return bt_self_component_filter_add_output_port( |
224 | self_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 |
05e21286 | 247 | struct bt_value *get_default_params(void) |
65ee897d | 248 | { |
05e21286 | 249 | struct bt_value *params; |
65ee897d PP |
250 | int ret; |
251 | ||
05e21286 | 252 | params = bt_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 | ||
05e21286 | 258 | ret = bt_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 | |
05e21286 PP |
275 | int configure_muxer_comp(struct muxer_comp *muxer_comp, |
276 | const struct bt_value *params) | |
65ee897d | 277 | { |
05e21286 PP |
278 | struct bt_value *default_params = NULL; |
279 | struct bt_value *real_params = NULL; | |
280 | const struct bt_value *assume_absolute_clock_classes = NULL; | |
65ee897d | 281 | int ret = 0; |
c55a9f58 | 282 | bt_bool bool_val; |
65ee897d PP |
283 | |
284 | default_params = get_default_params(); | |
285 | if (!default_params) { | |
fed72692 PP |
286 | BT_LOGE("Cannot get default parameters: " |
287 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
288 | goto error; |
289 | } | |
290 | ||
601b0d3c | 291 | ret = bt_value_map_extend(&real_params, |
05e21286 | 292 | default_params, params); |
601b0d3c | 293 | if (ret) { |
fed72692 PP |
294 | BT_LOGE("Cannot extend default parameters map value: " |
295 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
296 | "params-addr=%p", muxer_comp, default_params, | |
297 | params); | |
65ee897d PP |
298 | goto error; |
299 | } | |
300 | ||
05e21286 PP |
301 | assume_absolute_clock_classes = bt_value_map_borrow_entry_value(real_params, |
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 | ||
601b0d3c | 313 | bool_val = bt_value_bool_get(assume_absolute_clock_classes); |
282c8cd0 | 314 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
fed72692 PP |
315 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
316 | "assume-absolute-clock-classes=%d", | |
317 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
318 | goto end; |
319 | ||
320 | error: | |
321 | ret = -1; | |
322 | ||
323 | end: | |
65300d60 PP |
324 | bt_object_put_ref(default_params); |
325 | bt_object_put_ref(real_params); | |
65ee897d PP |
326 | return ret; |
327 | } | |
328 | ||
958f7d11 | 329 | BT_HIDDEN |
d94d92ac PP |
330 | enum bt_self_component_status muxer_init( |
331 | struct bt_self_component_filter *self_comp, | |
958f7d11 PP |
332 | struct bt_value *params, void *init_data) |
333 | { | |
334 | int ret; | |
d94d92ac | 335 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
958f7d11 PP |
336 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); |
337 | ||
fed72692 | 338 | BT_LOGD("Initializing muxer component: " |
d94d92ac | 339 | "comp-addr=%p, params-addr=%p", self_comp, params); |
fed72692 | 340 | |
958f7d11 | 341 | if (!muxer_comp) { |
fed72692 | 342 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
343 | goto error; |
344 | } | |
345 | ||
65ee897d PP |
346 | ret = configure_muxer_comp(muxer_comp, params); |
347 | if (ret) { | |
fed72692 PP |
348 | BT_LOGE("Cannot configure muxer component: " |
349 | "muxer-comp-addr=%p, params-addr=%p", | |
350 | muxer_comp, params); | |
65ee897d PP |
351 | goto error; |
352 | } | |
353 | ||
958f7d11 PP |
354 | muxer_comp->muxer_notif_iters = g_ptr_array_new(); |
355 | if (!muxer_comp->muxer_notif_iters) { | |
fed72692 | 356 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
357 | goto error; |
358 | } | |
359 | ||
d94d92ac PP |
360 | muxer_comp->self_comp = self_comp; |
361 | bt_self_component_set_data( | |
707b7d35 | 362 | bt_self_component_filter_as_self_component(self_comp), |
d94d92ac PP |
363 | muxer_comp); |
364 | status = ensure_available_input_port(self_comp); | |
365 | if (status != BT_SELF_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, | |
d94d92ac | 369 | bt_self_component_status_string(status)); |
958f7d11 PP |
370 | goto error; |
371 | } | |
372 | ||
d94d92ac | 373 | status = create_output_port(self_comp); |
fed72692 PP |
374 | if (status) { |
375 | BT_LOGE("Cannot create muxer component's output port: " | |
376 | "muxer-comp-addr=%p, status=%s", | |
377 | muxer_comp, | |
d94d92ac | 378 | bt_self_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", | |
d94d92ac | 384 | self_comp, params, muxer_comp); |
fed72692 | 385 | |
958f7d11 PP |
386 | goto end; |
387 | ||
388 | error: | |
389 | destroy_muxer_comp(muxer_comp); | |
d94d92ac | 390 | bt_self_component_set_data( |
707b7d35 | 391 | bt_self_component_filter_as_self_component(self_comp), |
d94d92ac | 392 | NULL); |
147337a3 | 393 | |
d94d92ac PP |
394 | if (status == BT_SELF_COMPONENT_STATUS_OK) { |
395 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
147337a3 | 396 | } |
958f7d11 PP |
397 | |
398 | end: | |
399 | return status; | |
400 | } | |
401 | ||
402 | BT_HIDDEN | |
d94d92ac | 403 | void muxer_finalize(struct bt_self_component_filter *self_comp) |
958f7d11 | 404 | { |
d94d92ac | 405 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 406 | bt_self_component_filter_as_self_component(self_comp)); |
958f7d11 | 407 | |
fed72692 | 408 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
d94d92ac | 409 | self_comp); |
958f7d11 PP |
410 | destroy_muxer_comp(muxer_comp); |
411 | } | |
412 | ||
413 | static | |
d94d92ac PP |
414 | struct bt_self_component_port_input_notification_iterator * |
415 | create_notif_iter_on_input_port( | |
416 | struct bt_self_component_port_input *self_port, int *ret) | |
958f7d11 | 417 | { |
707b7d35 PP |
418 | struct bt_port *port = bt_self_component_port_as_port( |
419 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac PP |
420 | self_port)); |
421 | struct bt_self_component_port_input_notification_iterator *notif_iter = | |
422 | NULL; | |
958f7d11 | 423 | |
f6ccaed9 | 424 | BT_ASSERT(ret); |
958f7d11 | 425 | *ret = 0; |
f6ccaed9 PP |
426 | BT_ASSERT(port); |
427 | BT_ASSERT(bt_port_is_connected(port)); | |
958f7d11 | 428 | |
ab11110e PP |
429 | // TODO: Advance the iterator to >= the time of the latest |
430 | // returned notification by the muxer notification | |
431 | // iterator which creates it. | |
d94d92ac PP |
432 | notif_iter = bt_self_component_port_input_notification_iterator_create( |
433 | self_port); | |
434 | if (!notif_iter) { | |
435 | BT_LOGE("Cannot create upstream notification iterator on input port: " | |
436 | "port-addr=%p, port-name=\"%s\"", | |
437 | port, bt_port_get_name(port)); | |
958f7d11 PP |
438 | *ret = -1; |
439 | goto end; | |
440 | } | |
441 | ||
d94d92ac PP |
442 | BT_LOGD("Created upstream notification iterator on input port: " |
443 | "port-addr=%p, port-name=\"%s\", notif-iter-addr=%p", | |
444 | port, bt_port_get_name(port), notif_iter); | |
fed72692 | 445 | |
958f7d11 | 446 | end: |
958f7d11 PP |
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); | |
d94d92ac | 463 | status = bt_self_component_port_input_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 | */ | |
65300d60 | 502 | BT_OBJECT_PUT_REF_AND_RESET(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) { | |
d94d92ac PP |
534 | GList *node = muxer_notif_iter->newly_connected_self_ports; |
535 | struct bt_self_component_port_input *self_port; | |
ab11110e | 536 | struct bt_port *port; |
d94d92ac PP |
537 | struct bt_self_component_port_input_notification_iterator * |
538 | upstream_notif_iter = NULL; | |
ab11110e PP |
539 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter; |
540 | ||
541 | if (!node) { | |
542 | break; | |
543 | } | |
544 | ||
d94d92ac | 545 | self_port = node->data; |
707b7d35 PP |
546 | port = bt_self_component_port_as_port( |
547 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 548 | (self_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 | ||
d94d92ac PP |
561 | upstream_notif_iter = create_notif_iter_on_input_port( |
562 | self_port, &ret); | |
ab11110e | 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( | |
d94d92ac | 571 | muxer_notif_iter, upstream_notif_iter); |
65300d60 | 572 | BT_OBJECT_PUT_REF_AND_RESET(upstream_notif_iter); |
ab11110e | 573 | if (!muxer_upstream_notif_iter) { |
fed72692 PP |
574 | /* |
575 | * muxer_notif_iter_add_upstream_notif_iter() | |
576 | * logs errors. | |
577 | */ | |
ab11110e PP |
578 | goto error; |
579 | } | |
580 | ||
ab11110e | 581 | remove_node: |
65300d60 | 582 | bt_object_put_ref(upstream_notif_iter); |
d94d92ac | 583 | muxer_notif_iter->newly_connected_self_ports = |
ab11110e | 584 | g_list_delete_link( |
d94d92ac | 585 | muxer_notif_iter->newly_connected_self_ports, |
ab11110e PP |
586 | node); |
587 | } | |
588 | ||
589 | goto end; | |
590 | ||
591 | error: | |
089717de | 592 | if (ret >= 0) { |
ab11110e PP |
593 | ret = -1; |
594 | } | |
595 | ||
596 | end: | |
ab11110e PP |
597 | return ret; |
598 | } | |
599 | ||
958f7d11 PP |
600 | static |
601 | int get_notif_ts_ns(struct muxer_comp *muxer_comp, | |
282c8cd0 | 602 | struct muxer_notif_iter *muxer_notif_iter, |
958f7d11 PP |
603 | struct bt_notification *notif, int64_t last_returned_ts_ns, |
604 | int64_t *ts_ns) | |
605 | { | |
50842bdc PP |
606 | struct bt_clock_class *clock_class = NULL; |
607 | struct bt_clock_value *clock_value = NULL; | |
608 | struct bt_event *event = NULL; | |
958f7d11 | 609 | int ret = 0; |
282c8cd0 | 610 | const unsigned char *cc_uuid; |
fed72692 | 611 | const char *cc_name; |
44c440bc | 612 | enum bt_clock_value_status cv_status = BT_CLOCK_VALUE_STATUS_KNOWN; |
958f7d11 | 613 | |
f6ccaed9 PP |
614 | BT_ASSERT(notif); |
615 | BT_ASSERT(ts_ns); | |
958f7d11 | 616 | |
fed72692 PP |
617 | BT_LOGV("Getting notification's timestamp: " |
618 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
619 | "last-returned-ts=%" PRId64, | |
620 | muxer_notif_iter, notif, last_returned_ts_ns); | |
621 | ||
958f7d11 PP |
622 | switch (bt_notification_get_type(notif)) { |
623 | case BT_NOTIFICATION_TYPE_EVENT: | |
e22b45d0 PP |
624 | event = bt_notification_event_borrow_event(notif); |
625 | BT_ASSERT(event); | |
44c440bc PP |
626 | cv_status = bt_event_borrow_default_clock_value(event, |
627 | &clock_value); | |
958f7d11 PP |
628 | break; |
629 | ||
630 | case BT_NOTIFICATION_TYPE_INACTIVITY: | |
e22b45d0 PP |
631 | clock_value = |
632 | bt_notification_inactivity_borrow_default_clock_value( | |
958f7d11 PP |
633 | notif); |
634 | break; | |
635 | default: | |
089717de | 636 | /* All the other notifications have a higher priority */ |
fed72692 | 637 | BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
638 | *ts_ns = last_returned_ts_ns; |
639 | goto end; | |
640 | } | |
641 | ||
44c440bc PP |
642 | if (cv_status != BT_CLOCK_VALUE_STATUS_KNOWN) { |
643 | BT_LOGE_STR("Unsupported unknown clock value."); | |
644 | ret = -1; | |
645 | goto end; | |
646 | } | |
647 | ||
958f7d11 | 648 | /* |
e22b45d0 PP |
649 | * If the clock value is missing, then we consider that this |
650 | * notification has no time. In this case it's always the | |
651 | * youngest. | |
958f7d11 | 652 | */ |
e22b45d0 PP |
653 | if (!clock_value) { |
654 | BT_LOGV_STR("Notification's default clock value is missing: " | |
fed72692 | 655 | "using the last returned timestamp."); |
958f7d11 PP |
656 | *ts_ns = last_returned_ts_ns; |
657 | goto end; | |
658 | } | |
659 | ||
44c440bc | 660 | clock_class = bt_clock_value_borrow_clock_class(clock_value); |
e22b45d0 | 661 | BT_ASSERT(clock_class); |
50842bdc PP |
662 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
663 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 PP |
664 | |
665 | if (muxer_notif_iter->clock_class_expectation == | |
666 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
667 | /* | |
668 | * This is the first clock class that this muxer | |
669 | * notification iterator encounters. Its properties | |
670 | * determine what to expect for the whole lifetime of | |
671 | * the iterator without a true | |
672 | * `assume-absolute-clock-classes` parameter. | |
673 | */ | |
50842bdc | 674 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 PP |
675 | /* Expect absolute clock classes */ |
676 | muxer_notif_iter->clock_class_expectation = | |
677 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
678 | } else { | |
679 | if (cc_uuid) { | |
680 | /* | |
681 | * Expect non-absolute clock classes | |
682 | * with a specific UUID. | |
683 | */ | |
684 | muxer_notif_iter->clock_class_expectation = | |
685 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
686 | memcpy(muxer_notif_iter->expected_clock_class_uuid, | |
687 | cc_uuid, BABELTRACE_UUID_LEN); | |
688 | } else { | |
689 | /* | |
690 | * Expect non-absolute clock classes | |
691 | * with no UUID. | |
692 | */ | |
693 | muxer_notif_iter->clock_class_expectation = | |
694 | MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
695 | } | |
696 | } | |
697 | } | |
698 | ||
699 | if (!muxer_comp->assume_absolute_clock_classes) { | |
700 | switch (muxer_notif_iter->clock_class_expectation) { | |
701 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
50842bdc | 702 | if (!bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
703 | BT_LOGE("Expecting an absolute clock class, " |
704 | "but got a non-absolute one: " | |
705 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
706 | clock_class, cc_name); | |
282c8cd0 PP |
707 | goto error; |
708 | } | |
709 | break; | |
710 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
50842bdc | 711 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
712 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
713 | "but got an absolute one: " | |
714 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
715 | clock_class, cc_name); | |
282c8cd0 PP |
716 | goto error; |
717 | } | |
718 | ||
719 | if (cc_uuid) { | |
fed72692 PP |
720 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
721 | "but got one with a UUID: " | |
722 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
723 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
724 | clock_class, cc_name, | |
725 | (unsigned int) cc_uuid[0], | |
726 | (unsigned int) cc_uuid[1], | |
727 | (unsigned int) cc_uuid[2], | |
728 | (unsigned int) cc_uuid[3], | |
729 | (unsigned int) cc_uuid[4], | |
730 | (unsigned int) cc_uuid[5], | |
731 | (unsigned int) cc_uuid[6], | |
732 | (unsigned int) cc_uuid[7], | |
733 | (unsigned int) cc_uuid[8], | |
734 | (unsigned int) cc_uuid[9], | |
735 | (unsigned int) cc_uuid[10], | |
736 | (unsigned int) cc_uuid[11], | |
737 | (unsigned int) cc_uuid[12], | |
738 | (unsigned int) cc_uuid[13], | |
739 | (unsigned int) cc_uuid[14], | |
740 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
741 | goto error; |
742 | } | |
743 | break; | |
744 | case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
50842bdc | 745 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
746 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
747 | "but got an absolute one: " | |
748 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
749 | clock_class, cc_name); | |
282c8cd0 PP |
750 | goto error; |
751 | } | |
752 | ||
753 | if (!cc_uuid) { | |
fed72692 PP |
754 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
755 | "but got one with no UUID: " | |
756 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
757 | clock_class, cc_name); | |
282c8cd0 PP |
758 | goto error; |
759 | } | |
760 | ||
761 | if (memcmp(muxer_notif_iter->expected_clock_class_uuid, | |
762 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { | |
fed72692 PP |
763 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
764 | "but got one with different UUID: " | |
765 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
766 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
767 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
768 | clock_class, cc_name, | |
769 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[0], | |
770 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[1], | |
771 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[2], | |
772 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[3], | |
773 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[4], | |
774 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[5], | |
775 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[6], | |
776 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[7], | |
777 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[8], | |
778 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[9], | |
779 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[10], | |
780 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[11], | |
781 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[12], | |
782 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[13], | |
783 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[14], | |
784 | (unsigned int) muxer_notif_iter->expected_clock_class_uuid[15], | |
785 | (unsigned int) cc_uuid[0], | |
786 | (unsigned int) cc_uuid[1], | |
787 | (unsigned int) cc_uuid[2], | |
788 | (unsigned int) cc_uuid[3], | |
789 | (unsigned int) cc_uuid[4], | |
790 | (unsigned int) cc_uuid[5], | |
791 | (unsigned int) cc_uuid[6], | |
792 | (unsigned int) cc_uuid[7], | |
793 | (unsigned int) cc_uuid[8], | |
794 | (unsigned int) cc_uuid[9], | |
795 | (unsigned int) cc_uuid[10], | |
796 | (unsigned int) cc_uuid[11], | |
797 | (unsigned int) cc_uuid[12], | |
798 | (unsigned int) cc_uuid[13], | |
799 | (unsigned int) cc_uuid[14], | |
800 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
801 | goto error; |
802 | } | |
803 | break; | |
804 | default: | |
805 | /* Unexpected */ | |
fed72692 PP |
806 | BT_LOGF("Unexpected clock class expectation: " |
807 | "expectation-code=%d", | |
808 | muxer_notif_iter->clock_class_expectation); | |
282c8cd0 PP |
809 | abort(); |
810 | } | |
958f7d11 PP |
811 | } |
812 | ||
44c440bc | 813 | ret = bt_clock_value_get_ns_from_origin(clock_value, ts_ns); |
958f7d11 | 814 | if (ret) { |
fed72692 PP |
815 | BT_LOGE("Cannot get nanoseconds from Epoch of clock value: " |
816 | "clock-value-addr=%p", clock_value); | |
958f7d11 PP |
817 | goto error; |
818 | } | |
819 | ||
820 | goto end; | |
821 | ||
822 | error: | |
823 | ret = -1; | |
824 | ||
825 | end: | |
fed72692 PP |
826 | if (ret == 0) { |
827 | BT_LOGV("Found notification's timestamp: " | |
828 | "muxer-notif-iter-addr=%p, notif-addr=%p, " | |
829 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
830 | muxer_notif_iter, notif, last_returned_ts_ns, | |
831 | *ts_ns); | |
832 | } | |
833 | ||
958f7d11 PP |
834 | return ret; |
835 | } | |
836 | ||
ab11110e PP |
837 | /* |
838 | * This function finds the youngest available notification amongst the | |
839 | * non-ended upstream notification iterators and returns the upstream | |
840 | * notification iterator which has it, or | |
841 | * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available | |
842 | * notification. | |
843 | * | |
844 | * This function does NOT: | |
845 | * | |
846 | * * Update any upstream notification iterator. | |
847 | * * Check for newly connected ports. | |
848 | * * Check the upstream notification iterators to retry. | |
849 | * | |
850 | * On sucess, this function sets *muxer_upstream_notif_iter to the | |
851 | * upstream notification iterator of which the current notification is | |
852 | * the youngest, and sets *ts_ns to its time. | |
853 | */ | |
958f7d11 PP |
854 | static |
855 | enum bt_notification_iterator_status | |
856 | muxer_notif_iter_youngest_upstream_notif_iter( | |
857 | struct muxer_comp *muxer_comp, | |
858 | struct muxer_notif_iter *muxer_notif_iter, | |
859 | struct muxer_upstream_notif_iter **muxer_upstream_notif_iter, | |
860 | int64_t *ts_ns) | |
861 | { | |
862 | size_t i; | |
863 | int ret; | |
864 | int64_t youngest_ts_ns = INT64_MAX; | |
865 | enum bt_notification_iterator_status status = | |
866 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
867 | ||
f6ccaed9 PP |
868 | BT_ASSERT(muxer_comp); |
869 | BT_ASSERT(muxer_notif_iter); | |
870 | BT_ASSERT(muxer_upstream_notif_iter); | |
958f7d11 PP |
871 | *muxer_upstream_notif_iter = NULL; |
872 | ||
873 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { | |
874 | struct bt_notification *notif; | |
875 | struct muxer_upstream_notif_iter *cur_muxer_upstream_notif_iter = | |
876 | g_ptr_array_index(muxer_notif_iter->muxer_upstream_notif_iters, i); | |
877 | int64_t notif_ts_ns; | |
878 | ||
879 | if (!cur_muxer_upstream_notif_iter->notif_iter) { | |
ab11110e | 880 | /* This upstream notification iterator is ended */ |
fed72692 PP |
881 | BT_LOGV("Skipping ended upstream notification iterator: " |
882 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
883 | cur_muxer_upstream_notif_iter); | |
958f7d11 PP |
884 | continue; |
885 | } | |
886 | ||
d4393e08 PP |
887 | BT_ASSERT(cur_muxer_upstream_notif_iter->notifs->length > 0); |
888 | notif = g_queue_peek_head(cur_muxer_upstream_notif_iter->notifs); | |
f6ccaed9 | 889 | BT_ASSERT(notif); |
282c8cd0 | 890 | ret = get_notif_ts_ns(muxer_comp, muxer_notif_iter, notif, |
958f7d11 | 891 | muxer_notif_iter->last_returned_ts_ns, ¬if_ts_ns); |
958f7d11 | 892 | if (ret) { |
fed72692 | 893 | /* get_notif_ts_ns() logs errors */ |
958f7d11 PP |
894 | *muxer_upstream_notif_iter = NULL; |
895 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
896 | goto end; | |
897 | } | |
898 | ||
899 | if (notif_ts_ns <= youngest_ts_ns) { | |
900 | *muxer_upstream_notif_iter = | |
901 | cur_muxer_upstream_notif_iter; | |
902 | youngest_ts_ns = notif_ts_ns; | |
903 | *ts_ns = youngest_ts_ns; | |
904 | } | |
905 | } | |
906 | ||
907 | if (!*muxer_upstream_notif_iter) { | |
908 | status = BT_NOTIFICATION_ITERATOR_STATUS_END; | |
909 | *ts_ns = INT64_MIN; | |
910 | } | |
911 | ||
912 | end: | |
913 | return status; | |
914 | } | |
915 | ||
916 | static | |
089717de PP |
917 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iter( |
918 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter) | |
958f7d11 | 919 | { |
089717de PP |
920 | enum bt_notification_iterator_status status = |
921 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
958f7d11 | 922 | |
fed72692 PP |
923 | BT_LOGV("Validating muxer's upstream notification iterator wrapper: " |
924 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
925 | muxer_upstream_notif_iter); | |
926 | ||
d4393e08 | 927 | if (muxer_upstream_notif_iter->notifs->length > 0 || |
089717de | 928 | !muxer_upstream_notif_iter->notif_iter) { |
d4393e08 PP |
929 | BT_LOGV("Already valid or not considered: " |
930 | "queue-len=%u, upstream-notif-iter-addr=%p", | |
931 | muxer_upstream_notif_iter->notifs->length, | |
932 | muxer_upstream_notif_iter->notif_iter); | |
ab11110e PP |
933 | goto end; |
934 | } | |
935 | ||
fed72692 | 936 | /* muxer_upstream_notif_iter_next() logs details/errors */ |
089717de PP |
937 | status = muxer_upstream_notif_iter_next(muxer_upstream_notif_iter); |
938 | ||
939 | end: | |
940 | return status; | |
941 | } | |
942 | ||
943 | static | |
944 | enum bt_notification_iterator_status validate_muxer_upstream_notif_iters( | |
d4393e08 | 945 | struct muxer_notif_iter *muxer_notif_iter) |
089717de PP |
946 | { |
947 | enum bt_notification_iterator_status status = | |
948 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
949 | size_t i; | |
950 | ||
fed72692 PP |
951 | BT_LOGV("Validating muxer's upstream notification iterator wrappers: " |
952 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
953 | ||
089717de PP |
954 | for (i = 0; i < muxer_notif_iter->muxer_upstream_notif_iters->len; i++) { |
955 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = | |
956 | g_ptr_array_index( | |
957 | muxer_notif_iter->muxer_upstream_notif_iters, | |
958 | i); | |
959 | ||
960 | status = validate_muxer_upstream_notif_iter( | |
961 | muxer_upstream_notif_iter); | |
962 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
fed72692 PP |
963 | if (status < 0) { |
964 | BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: " | |
965 | "muxer-notif-iter-addr=%p, " | |
966 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
967 | muxer_notif_iter, | |
968 | muxer_upstream_notif_iter); | |
969 | } else { | |
970 | BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: " | |
971 | "muxer-notif-iter-addr=%p, " | |
972 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
973 | muxer_notif_iter, | |
974 | muxer_upstream_notif_iter); | |
975 | } | |
976 | ||
089717de PP |
977 | goto end; |
978 | } | |
744ba28b PP |
979 | |
980 | /* | |
981 | * Remove this muxer upstream notification iterator | |
982 | * if it's ended or canceled. | |
983 | */ | |
984 | if (!muxer_upstream_notif_iter->notif_iter) { | |
985 | /* | |
986 | * Use g_ptr_array_remove_fast() because the | |
987 | * order of those elements is not important. | |
988 | */ | |
fed72692 PP |
989 | BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: " |
990 | "muxer-notif-iter-addr=%p, " | |
991 | "muxer-upstream-notif-iter-wrap-addr=%p", | |
992 | muxer_notif_iter, muxer_upstream_notif_iter); | |
744ba28b PP |
993 | g_ptr_array_remove_index_fast( |
994 | muxer_notif_iter->muxer_upstream_notif_iters, | |
995 | i); | |
996 | i--; | |
997 | } | |
089717de PP |
998 | } |
999 | ||
1000 | end: | |
1001 | return status; | |
1002 | } | |
1003 | ||
d4393e08 PP |
1004 | static inline |
1005 | enum bt_notification_iterator_status muxer_notif_iter_do_next_one( | |
089717de | 1006 | struct muxer_comp *muxer_comp, |
d4393e08 PP |
1007 | struct muxer_notif_iter *muxer_notif_iter, |
1008 | struct bt_notification **notif) | |
089717de | 1009 | { |
d4393e08 PP |
1010 | enum bt_notification_iterator_status status = |
1011 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
089717de | 1012 | struct muxer_upstream_notif_iter *muxer_upstream_notif_iter = NULL; |
089717de PP |
1013 | int64_t next_return_ts; |
1014 | ||
1015 | while (true) { | |
1016 | int ret = muxer_notif_iter_handle_newly_connected_ports( | |
1017 | muxer_notif_iter); | |
1018 | ||
1019 | if (ret) { | |
fed72692 PP |
1020 | BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: " |
1021 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1022 | "ret=%d", | |
1023 | muxer_comp, muxer_notif_iter, ret); | |
d4393e08 | 1024 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
089717de PP |
1025 | goto end; |
1026 | } | |
1027 | ||
d4393e08 PP |
1028 | status = validate_muxer_upstream_notif_iters(muxer_notif_iter); |
1029 | if (status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
3823b499 | 1030 | /* validate_muxer_upstream_notif_iters() logs details */ |
089717de PP |
1031 | goto end; |
1032 | } | |
ab11110e | 1033 | |
958f7d11 | 1034 | /* |
089717de PP |
1035 | * At this point, we know that all the existing upstream |
1036 | * notification iterators are valid. However the | |
1037 | * operations to validate them (during | |
1038 | * validate_muxer_upstream_notif_iters()) may have | |
1039 | * connected new ports. If no ports were connected | |
1040 | * during this operation, exit the loop. | |
958f7d11 | 1041 | */ |
d94d92ac | 1042 | if (!muxer_notif_iter->newly_connected_self_ports) { |
fed72692 PP |
1043 | BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: " |
1044 | "muxer-comp-addr=%p", muxer_comp); | |
089717de PP |
1045 | break; |
1046 | } | |
958f7d11 PP |
1047 | } |
1048 | ||
d94d92ac | 1049 | BT_ASSERT(!muxer_notif_iter->newly_connected_self_ports); |
089717de | 1050 | |
958f7d11 | 1051 | /* |
089717de PP |
1052 | * At this point we know that all the existing upstream |
1053 | * notification iterators are valid. We can find the one, | |
1054 | * amongst those, of which the current notification is the | |
1055 | * youngest. | |
958f7d11 | 1056 | */ |
d4393e08 | 1057 | status = muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp, |
958f7d11 | 1058 | muxer_notif_iter, &muxer_upstream_notif_iter, |
089717de | 1059 | &next_return_ts); |
d4393e08 PP |
1060 | if (status < 0 || status == BT_NOTIFICATION_ITERATOR_STATUS_END || |
1061 | status == BT_NOTIFICATION_ITERATOR_STATUS_CANCELED) { | |
1062 | if (status < 0) { | |
fed72692 PP |
1063 | BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: " |
1064 | "status=%s", | |
d4393e08 | 1065 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1066 | } else { |
1067 | BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: " | |
1068 | "status=%s", | |
d4393e08 | 1069 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1070 | } |
1071 | ||
958f7d11 PP |
1072 | goto end; |
1073 | } | |
1074 | ||
089717de | 1075 | if (next_return_ts < muxer_notif_iter->last_returned_ts_ns) { |
fed72692 PP |
1076 | BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: " |
1077 | "muxer-notif-iter-addr=%p, ts=%" PRId64 ", " | |
1078 | "last-returned-ts=%" PRId64, | |
1079 | muxer_notif_iter, next_return_ts, | |
1080 | muxer_notif_iter->last_returned_ts_ns); | |
d4393e08 | 1081 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1082 | goto end; |
1083 | } | |
1084 | ||
fed72692 PP |
1085 | BT_LOGV("Found youngest upstream notification iterator wrapper: " |
1086 | "muxer-notif-iter-addr=%p, " | |
1087 | "muxer-upstream-notif-iter-wrap-addr=%p, " | |
1088 | "ts=%" PRId64, | |
1089 | muxer_notif_iter, muxer_upstream_notif_iter, next_return_ts); | |
d4393e08 | 1090 | BT_ASSERT(status == BT_NOTIFICATION_ITERATOR_STATUS_OK); |
f6ccaed9 | 1091 | BT_ASSERT(muxer_upstream_notif_iter); |
958f7d11 PP |
1092 | |
1093 | /* | |
d4393e08 PP |
1094 | * Consume from the queue's head: other side |
1095 | * (muxer_upstream_notif_iter_next()) writes to the tail. | |
958f7d11 | 1096 | */ |
d4393e08 PP |
1097 | *notif = g_queue_pop_head(muxer_upstream_notif_iter->notifs); |
1098 | BT_ASSERT(*notif); | |
089717de | 1099 | muxer_notif_iter->last_returned_ts_ns = next_return_ts; |
958f7d11 PP |
1100 | |
1101 | end: | |
d4393e08 PP |
1102 | return status; |
1103 | } | |
1104 | ||
1105 | static | |
1106 | enum bt_notification_iterator_status muxer_notif_iter_do_next( | |
1107 | struct muxer_comp *muxer_comp, | |
1108 | struct muxer_notif_iter *muxer_notif_iter, | |
1109 | bt_notification_array notifs, uint64_t capacity, | |
1110 | uint64_t *count) | |
1111 | { | |
1112 | enum bt_notification_iterator_status status = | |
1113 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1114 | uint64_t i = 0; | |
1115 | ||
1116 | while (i < capacity && status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
1117 | status = muxer_notif_iter_do_next_one(muxer_comp, | |
1118 | muxer_notif_iter, ¬ifs[i]); | |
1119 | if (status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
1120 | i++; | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | if (i > 0) { | |
1125 | /* | |
1126 | * Even if muxer_notif_iter_do_next_one() returned | |
1127 | * something else than | |
1128 | * BT_NOTIFICATION_ITERATOR_STATUS_OK, we accumulated | |
1129 | * notification objects in the output notification | |
1130 | * array, so we need to return | |
1131 | * BT_NOTIFICATION_ITERATOR_STATUS_OK so that they are | |
1132 | * transfered to downstream. This other status occurs | |
1133 | * again the next time muxer_notif_iter_do_next() is | |
1134 | * called, possibly without any accumulated | |
1135 | * notification, in which case we'll return it. | |
1136 | */ | |
1137 | *count = i; | |
1138 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1139 | } | |
1140 | ||
1141 | return status; | |
958f7d11 PP |
1142 | } |
1143 | ||
1144 | static | |
ab11110e PP |
1145 | void destroy_muxer_notif_iter(struct muxer_notif_iter *muxer_notif_iter) |
1146 | { | |
ab11110e PP |
1147 | if (!muxer_notif_iter) { |
1148 | return; | |
1149 | } | |
1150 | ||
fed72692 PP |
1151 | BT_LOGD("Destroying muxer component's notification iterator: " |
1152 | "muxer-notif-iter-addr=%p", muxer_notif_iter); | |
1153 | ||
ab11110e | 1154 | if (muxer_notif_iter->muxer_upstream_notif_iters) { |
fed72692 | 1155 | BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers."); |
ab11110e PP |
1156 | g_ptr_array_free( |
1157 | muxer_notif_iter->muxer_upstream_notif_iters, TRUE); | |
1158 | } | |
1159 | ||
d94d92ac | 1160 | g_list_free(muxer_notif_iter->newly_connected_self_ports); |
ab11110e PP |
1161 | g_free(muxer_notif_iter); |
1162 | } | |
1163 | ||
1164 | static | |
1165 | int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, | |
958f7d11 PP |
1166 | struct muxer_notif_iter *muxer_notif_iter) |
1167 | { | |
544d0515 PP |
1168 | int64_t count; |
1169 | int64_t i; | |
ab11110e | 1170 | int ret = 0; |
958f7d11 | 1171 | |
ab11110e PP |
1172 | /* |
1173 | * Add the connected input ports to this muxer notification | |
1174 | * iterator's list of newly connected ports. They will be | |
1175 | * handled by muxer_notif_iter_handle_newly_connected_ports(). | |
1176 | */ | |
d94d92ac | 1177 | count = bt_component_filter_get_input_port_count( |
707b7d35 | 1178 | bt_self_component_filter_as_component_filter( |
d94d92ac | 1179 | muxer_comp->self_comp)); |
544d0515 | 1180 | if (count < 0) { |
fed72692 PP |
1181 | BT_LOGD("No input port to initialize for muxer component's notification iterator: " |
1182 | "muxer-comp-addr=%p, muxer-notif-iter-addr=%p", | |
1183 | muxer_comp, muxer_notif_iter); | |
ab11110e PP |
1184 | goto end; |
1185 | } | |
958f7d11 PP |
1186 | |
1187 | for (i = 0; i < count; i++) { | |
d94d92ac PP |
1188 | struct bt_self_component_port_input *self_port = |
1189 | bt_self_component_filter_borrow_input_port_by_index( | |
1190 | muxer_comp->self_comp, i); | |
958f7d11 | 1191 | struct bt_port *port; |
958f7d11 | 1192 | |
d94d92ac | 1193 | BT_ASSERT(self_port); |
707b7d35 PP |
1194 | port = bt_self_component_port_as_port( |
1195 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 1196 | self_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)); | |
958f7d11 PP |
1203 | continue; |
1204 | } | |
1205 | ||
d94d92ac | 1206 | muxer_notif_iter->newly_connected_self_ports = |
ab11110e | 1207 | g_list_append( |
d94d92ac PP |
1208 | muxer_notif_iter->newly_connected_self_ports, |
1209 | self_port); | |
1210 | if (!muxer_notif_iter->newly_connected_self_ports) { | |
fed72692 PP |
1211 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1212 | "port-addr=%p, port-name=\"%s\", " | |
1213 | "muxer-notif-iter-addr=%p", port, | |
1214 | bt_port_get_name(port), muxer_notif_iter); | |
ab11110e PP |
1215 | ret = -1; |
1216 | goto end; | |
958f7d11 | 1217 | } |
fed72692 PP |
1218 | |
1219 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1220 | "port-addr=%p, port-name=\"%s\", " | |
1221 | "muxer-notif-iter-addr=%p", port, | |
1222 | bt_port_get_name(port), muxer_notif_iter); | |
958f7d11 PP |
1223 | } |
1224 | ||
1225 | end: | |
958f7d11 PP |
1226 | return ret; |
1227 | } | |
1228 | ||
958f7d11 | 1229 | BT_HIDDEN |
d94d92ac PP |
1230 | enum bt_self_notification_iterator_status muxer_notif_iter_init( |
1231 | struct bt_self_notification_iterator *self_notif_iter, | |
1232 | struct bt_self_component_filter *self_comp, | |
1233 | struct bt_self_component_port_output *port) | |
958f7d11 PP |
1234 | { |
1235 | struct muxer_comp *muxer_comp = NULL; | |
1236 | struct muxer_notif_iter *muxer_notif_iter = NULL; | |
d94d92ac | 1237 | enum bt_self_notification_iterator_status status = |
958f7d11 PP |
1238 | BT_NOTIFICATION_ITERATOR_STATUS_OK; |
1239 | int ret; | |
1240 | ||
d94d92ac | 1241 | muxer_comp = bt_self_component_get_data( |
707b7d35 | 1242 | bt_self_component_filter_as_self_component(self_comp)); |
f6ccaed9 | 1243 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1244 | BT_LOGD("Initializing muxer component's notification iterator: " |
1245 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
d94d92ac | 1246 | self_comp, muxer_comp, self_notif_iter); |
a09c6b95 PP |
1247 | |
1248 | if (muxer_comp->initializing_muxer_notif_iter) { | |
1249 | /* | |
089717de PP |
1250 | * Weird, unhandled situation detected: downstream |
1251 | * creates a muxer notification iterator while creating | |
1252 | * another muxer notification iterator (same component). | |
a09c6b95 | 1253 | */ |
fed72692 PP |
1254 | BT_LOGE("Recursive initialization of muxer component's notification iterator: " |
1255 | "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p", | |
d94d92ac | 1256 | self_comp, muxer_comp, self_notif_iter); |
958f7d11 PP |
1257 | goto error; |
1258 | } | |
1259 | ||
a09c6b95 PP |
1260 | muxer_comp->initializing_muxer_notif_iter = true; |
1261 | muxer_notif_iter = g_new0(struct muxer_notif_iter, 1); | |
1262 | if (!muxer_notif_iter) { | |
fed72692 | 1263 | BT_LOGE_STR("Failed to allocate one muxer component's notification iterator."); |
ab11110e PP |
1264 | goto error; |
1265 | } | |
1266 | ||
958f7d11 PP |
1267 | muxer_notif_iter->last_returned_ts_ns = INT64_MIN; |
1268 | muxer_notif_iter->muxer_upstream_notif_iters = | |
1269 | g_ptr_array_new_with_free_func( | |
1270 | (GDestroyNotify) destroy_muxer_upstream_notif_iter); | |
1271 | if (!muxer_notif_iter->muxer_upstream_notif_iters) { | |
fed72692 | 1272 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1273 | goto error; |
1274 | } | |
1275 | ||
a09c6b95 PP |
1276 | /* |
1277 | * Add the muxer notification iterator to the component's array | |
1278 | * of muxer notification iterators here because | |
1279 | * muxer_notif_iter_init_newly_connected_ports() can cause | |
1280 | * muxer_port_connected() to be called, which adds the newly | |
1281 | * connected port to each muxer notification iterator's list of | |
1282 | * newly connected ports. | |
1283 | */ | |
1284 | g_ptr_array_add(muxer_comp->muxer_notif_iters, muxer_notif_iter); | |
1285 | ret = muxer_notif_iter_init_newly_connected_ports(muxer_comp, | |
1286 | muxer_notif_iter); | |
1287 | if (ret) { | |
fed72692 PP |
1288 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: " |
1289 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1290 | "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d", | |
d94d92ac PP |
1291 | self_comp, muxer_comp, muxer_notif_iter, |
1292 | self_notif_iter, ret); | |
a09c6b95 PP |
1293 | goto error; |
1294 | } | |
1295 | ||
d94d92ac | 1296 | bt_self_notification_iterator_set_data(self_notif_iter, |
958f7d11 | 1297 | muxer_notif_iter); |
fed72692 PP |
1298 | BT_LOGD("Initialized muxer component's notification iterator: " |
1299 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1300 | "notif-iter-addr=%p", | |
d94d92ac | 1301 | self_comp, muxer_comp, muxer_notif_iter, self_notif_iter); |
958f7d11 PP |
1302 | goto end; |
1303 | ||
1304 | error: | |
a09c6b95 PP |
1305 | if (g_ptr_array_index(muxer_comp->muxer_notif_iters, |
1306 | muxer_comp->muxer_notif_iters->len - 1) == muxer_notif_iter) { | |
1307 | g_ptr_array_remove_index(muxer_comp->muxer_notif_iters, | |
1308 | muxer_comp->muxer_notif_iters->len - 1); | |
1309 | } | |
1310 | ||
958f7d11 | 1311 | destroy_muxer_notif_iter(muxer_notif_iter); |
d94d92ac | 1312 | bt_self_notification_iterator_set_data(self_notif_iter, |
958f7d11 | 1313 | NULL); |
958f7d11 PP |
1314 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
1315 | ||
1316 | end: | |
a09c6b95 | 1317 | muxer_comp->initializing_muxer_notif_iter = false; |
958f7d11 PP |
1318 | return status; |
1319 | } | |
1320 | ||
1321 | BT_HIDDEN | |
1322 | void muxer_notif_iter_finalize( | |
d94d92ac | 1323 | struct bt_self_notification_iterator *self_notif_iter) |
958f7d11 PP |
1324 | { |
1325 | struct muxer_notif_iter *muxer_notif_iter = | |
d94d92ac PP |
1326 | bt_self_notification_iterator_get_data(self_notif_iter); |
1327 | struct bt_self_component *self_comp = NULL; | |
958f7d11 PP |
1328 | struct muxer_comp *muxer_comp = NULL; |
1329 | ||
d94d92ac PP |
1330 | self_comp = bt_self_notification_iterator_borrow_component( |
1331 | self_notif_iter); | |
1332 | BT_ASSERT(self_comp); | |
1333 | muxer_comp = bt_self_component_get_data(self_comp); | |
fed72692 PP |
1334 | BT_LOGD("Finalizing muxer component's notification iterator: " |
1335 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1336 | "notif-iter-addr=%p", | |
d94d92ac | 1337 | self_comp, muxer_comp, muxer_notif_iter, self_notif_iter); |
958f7d11 PP |
1338 | |
1339 | if (muxer_comp) { | |
1340 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_notif_iters, | |
1341 | muxer_notif_iter); | |
1342 | destroy_muxer_notif_iter(muxer_notif_iter); | |
1343 | } | |
958f7d11 PP |
1344 | } |
1345 | ||
1346 | BT_HIDDEN | |
d4393e08 | 1347 | enum bt_notification_iterator_status muxer_notif_iter_next( |
d94d92ac | 1348 | struct bt_self_notification_iterator *self_notif_iter, |
d4393e08 PP |
1349 | bt_notification_array notifs, uint64_t capacity, |
1350 | uint64_t *count) | |
958f7d11 | 1351 | { |
d4393e08 | 1352 | enum bt_notification_iterator_status status; |
958f7d11 | 1353 | struct muxer_notif_iter *muxer_notif_iter = |
d94d92ac PP |
1354 | bt_self_notification_iterator_get_data(self_notif_iter); |
1355 | struct bt_self_component *self_comp = NULL; | |
958f7d11 | 1356 | struct muxer_comp *muxer_comp = NULL; |
958f7d11 | 1357 | |
f6ccaed9 | 1358 | BT_ASSERT(muxer_notif_iter); |
d94d92ac PP |
1359 | self_comp = bt_self_notification_iterator_borrow_component( |
1360 | self_notif_iter); | |
1361 | BT_ASSERT(self_comp); | |
1362 | muxer_comp = bt_self_component_get_data(self_comp); | |
f6ccaed9 | 1363 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1364 | BT_LOGV("Muxer component's notification iterator's \"next\" method called: " |
1365 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1366 | "notif-iter-addr=%p", | |
d94d92ac | 1367 | self_comp, muxer_comp, muxer_notif_iter, self_notif_iter); |
fed72692 | 1368 | |
d4393e08 PP |
1369 | status = muxer_notif_iter_do_next(muxer_comp, muxer_notif_iter, |
1370 | notifs, capacity, count); | |
1371 | if (status < 0) { | |
fed72692 PP |
1372 | BT_LOGE("Cannot get next notification: " |
1373 | "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, " | |
1374 | "notif-iter-addr=%p, status=%s", | |
d94d92ac | 1375 | self_comp, muxer_comp, muxer_notif_iter, self_notif_iter, |
d4393e08 | 1376 | bt_notification_iterator_status_string(status)); |
fed72692 PP |
1377 | } else { |
1378 | BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: " | |
d4393e08 PP |
1379 | "status=%s", |
1380 | bt_notification_iterator_status_string(status)); | |
fed72692 | 1381 | } |
958f7d11 | 1382 | |
d4393e08 | 1383 | return status; |
958f7d11 PP |
1384 | } |
1385 | ||
1386 | BT_HIDDEN | |
d94d92ac PP |
1387 | enum bt_self_component_status muxer_input_port_connected( |
1388 | struct bt_self_component_filter *self_comp, | |
1389 | struct bt_self_component_port_input *self_port, | |
1390 | struct bt_port_output *other_port) | |
958f7d11 | 1391 | { |
d94d92ac | 1392 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
707b7d35 PP |
1393 | struct bt_port *port = bt_self_component_port_as_port( |
1394 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 1395 | self_port)); |
958f7d11 | 1396 | struct muxer_comp *muxer_comp = |
d94d92ac | 1397 | bt_self_component_get_data( |
707b7d35 | 1398 | bt_self_component_filter_as_self_component( |
d94d92ac | 1399 | self_comp)); |
958f7d11 | 1400 | size_t i; |
06a2cb0d | 1401 | int ret; |
958f7d11 | 1402 | |
d94d92ac | 1403 | BT_ASSERT(port); |
f6ccaed9 | 1404 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1405 | BT_LOGD("Port connected: " |
1406 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1407 | "port-addr=%p, port-name=\"%s\", " | |
1408 | "other-port-addr=%p, other-port-name=\"%s\"", | |
d94d92ac PP |
1409 | self_comp, muxer_comp, self_port, bt_port_get_name(port), |
1410 | other_port, | |
707b7d35 | 1411 | bt_port_get_name(bt_port_output_as_port(other_port))); |
958f7d11 PP |
1412 | |
1413 | for (i = 0; i < muxer_comp->muxer_notif_iters->len; i++) { | |
1414 | struct muxer_notif_iter *muxer_notif_iter = | |
1415 | g_ptr_array_index(muxer_comp->muxer_notif_iters, i); | |
1416 | ||
1417 | /* | |
ab11110e PP |
1418 | * Add this port to the list of newly connected ports |
1419 | * for this muxer notification iterator. We append at | |
1420 | * the end of this list while | |
1421 | * muxer_notif_iter_handle_newly_connected_ports() | |
1422 | * removes the nodes from the beginning. | |
958f7d11 | 1423 | */ |
d94d92ac | 1424 | muxer_notif_iter->newly_connected_self_ports = |
ab11110e | 1425 | g_list_append( |
d94d92ac PP |
1426 | muxer_notif_iter->newly_connected_self_ports, |
1427 | self_port); | |
1428 | if (!muxer_notif_iter->newly_connected_self_ports) { | |
fed72692 PP |
1429 | BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: " |
1430 | "port-addr=%p, port-name=\"%s\", " | |
1431 | "muxer-notif-iter-addr=%p", self_port, | |
d94d92ac PP |
1432 | bt_port_get_name(port), muxer_notif_iter); |
1433 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
958f7d11 PP |
1434 | goto end; |
1435 | } | |
fed72692 PP |
1436 | |
1437 | BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: " | |
1438 | "port-addr=%p, port-name=\"%s\", " | |
1439 | "muxer-notif-iter-addr=%p", self_port, | |
d94d92ac | 1440 | bt_port_get_name(port), muxer_notif_iter); |
958f7d11 PP |
1441 | } |
1442 | ||
06a2cb0d PP |
1443 | /* One less available input port */ |
1444 | muxer_comp->available_input_ports--; | |
d94d92ac | 1445 | ret = ensure_available_input_port(self_comp); |
06a2cb0d PP |
1446 | if (ret) { |
1447 | /* | |
1448 | * Only way to report an error later since this | |
1449 | * method does not return anything. | |
1450 | */ | |
fed72692 PP |
1451 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1452 | "muxer-comp-addr=%p, status=%s", | |
d94d92ac PP |
1453 | muxer_comp, bt_self_component_status_string(ret)); |
1454 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
06a2cb0d PP |
1455 | goto end; |
1456 | } | |
1457 | ||
958f7d11 | 1458 | end: |
bf55043c | 1459 | return status; |
958f7d11 PP |
1460 | } |
1461 | ||
1462 | BT_HIDDEN | |
d94d92ac PP |
1463 | void muxer_input_port_disconnected( |
1464 | struct bt_self_component_filter *self_component, | |
1465 | struct bt_self_component_port_input *self_port) | |
958f7d11 | 1466 | { |
958f7d11 | 1467 | struct muxer_comp *muxer_comp = |
d94d92ac | 1468 | bt_self_component_get_data( |
707b7d35 | 1469 | bt_self_component_filter_as_self_component( |
d94d92ac PP |
1470 | self_component)); |
1471 | struct bt_port *port = | |
707b7d35 PP |
1472 | bt_self_component_port_as_port( |
1473 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 1474 | self_port)); |
958f7d11 | 1475 | |
f6ccaed9 PP |
1476 | BT_ASSERT(port); |
1477 | BT_ASSERT(muxer_comp); | |
958f7d11 | 1478 | |
d94d92ac PP |
1479 | /* One more available input port */ |
1480 | muxer_comp->available_input_ports++; | |
1481 | BT_LOGD("Leaving disconnected input port available for future connections: " | |
1482 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1483 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1484 | self_component, muxer_comp, port, bt_port_get_name(port), | |
1485 | muxer_comp->available_input_ports); | |
958f7d11 | 1486 | } |