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 | 28 | #include <babeltrace/babeltrace.h> |
c6bd8523 | 29 | #include <babeltrace/value-internal.h> |
fed72692 | 30 | #include <babeltrace/graph/component-internal.h> |
d6e69534 | 31 | #include <babeltrace/graph/message-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 | |
fdf0b89e FD |
42 | #include "muxer.h" |
43 | ||
c3acd5f3 | 44 | #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes" |
65ee897d | 45 | |
958f7d11 | 46 | struct muxer_comp { |
90157d89 PP |
47 | /* |
48 | * Array of struct | |
d6e69534 | 49 | * bt_self_message_iterator * |
90157d89 PP |
50 | * (weak refs) |
51 | */ | |
d6e69534 | 52 | GPtrArray *muxer_msg_iters; |
958f7d11 PP |
53 | |
54 | /* Weak ref */ | |
b19ff26f | 55 | bt_self_component_filter *self_comp; |
d94d92ac | 56 | |
958f7d11 PP |
57 | unsigned int next_port_num; |
58 | size_t available_input_ports; | |
d6e69534 | 59 | bool initializing_muxer_msg_iter; |
282c8cd0 | 60 | bool assume_absolute_clock_classes; |
958f7d11 PP |
61 | }; |
62 | ||
d6e69534 | 63 | struct muxer_upstream_msg_iter { |
ab11110e | 64 | /* Owned by this, NULL if ended */ |
d6e69534 | 65 | bt_self_component_port_input_message_iterator *msg_iter; |
958f7d11 | 66 | |
d6e69534 PP |
67 | /* Contains `const bt_message *`, owned by this */ |
68 | GQueue *msgs; | |
958f7d11 PP |
69 | }; |
70 | ||
d6e69534 PP |
71 | enum muxer_msg_iter_clock_class_expectation { |
72 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
73 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
74 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
75 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
282c8cd0 PP |
76 | }; |
77 | ||
d6e69534 | 78 | struct muxer_msg_iter { |
ab11110e | 79 | /* |
d6e69534 | 80 | * Array of struct muxer_upstream_msg_iter * (owned by this). |
ab11110e PP |
81 | * |
82 | * NOTE: This array is searched in linearly to find the youngest | |
d6e69534 | 83 | * current message. Keep this until benchmarks confirm that |
ab11110e PP |
84 | * another data structure is faster than this for our typical |
85 | * use cases. | |
86 | */ | |
d6e69534 | 87 | GPtrArray *muxer_upstream_msg_iters; |
958f7d11 | 88 | |
ab11110e | 89 | /* |
06a2cb0d | 90 | * List of "recently" connected input ports (weak) to |
d6e69534 | 91 | * handle by this muxer message iterator. |
ab11110e | 92 | * muxer_port_connected() adds entries to this list, and the |
d6e69534 | 93 | * entries are removed when a message iterator is created |
ab11110e | 94 | * on the port's connection and put into |
d6e69534 PP |
95 | * muxer_upstream_msg_iters above by |
96 | * muxer_msg_iter_handle_newly_connected_ports(). | |
ab11110e | 97 | */ |
d94d92ac | 98 | GList *newly_connected_self_ports; |
958f7d11 | 99 | |
d6e69534 | 100 | /* Last time returned in a message */ |
958f7d11 | 101 | int64_t last_returned_ts_ns; |
282c8cd0 PP |
102 | |
103 | /* Clock class expectation state */ | |
d6e69534 | 104 | enum muxer_msg_iter_clock_class_expectation clock_class_expectation; |
282c8cd0 PP |
105 | |
106 | /* | |
107 | * Expected clock class UUID, only valid when | |
108 | * clock_class_expectation is | |
d6e69534 | 109 | * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. |
282c8cd0 PP |
110 | */ |
111 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
112 | }; |
113 | ||
ab11110e | 114 | static |
d6e69534 PP |
115 | void destroy_muxer_upstream_msg_iter( |
116 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) | |
ab11110e | 117 | { |
d6e69534 | 118 | if (!muxer_upstream_msg_iter) { |
ab11110e PP |
119 | return; |
120 | } | |
121 | ||
d6e69534 PP |
122 | BT_LOGD("Destroying muxer's upstream message iterator wrapper: " |
123 | "addr=%p, msg-iter-addr=%p, queue-len=%u", | |
124 | muxer_upstream_msg_iter, | |
125 | muxer_upstream_msg_iter->msg_iter, | |
126 | muxer_upstream_msg_iter->msgs->length); | |
127 | bt_self_component_port_input_message_iterator_put_ref(muxer_upstream_msg_iter->msg_iter); | |
d4393e08 | 128 | |
d6e69534 PP |
129 | if (muxer_upstream_msg_iter->msgs) { |
130 | const bt_message *msg; | |
d4393e08 | 131 | |
d6e69534 PP |
132 | while ((msg = g_queue_pop_head( |
133 | muxer_upstream_msg_iter->msgs))) { | |
134 | bt_message_put_ref(msg); | |
d4393e08 PP |
135 | } |
136 | ||
d6e69534 | 137 | g_queue_free(muxer_upstream_msg_iter->msgs); |
d4393e08 PP |
138 | } |
139 | ||
d6e69534 | 140 | g_free(muxer_upstream_msg_iter); |
ab11110e PP |
141 | } |
142 | ||
958f7d11 | 143 | static |
d6e69534 PP |
144 | struct muxer_upstream_msg_iter *muxer_msg_iter_add_upstream_msg_iter( |
145 | struct muxer_msg_iter *muxer_msg_iter, | |
146 | bt_self_component_port_input_message_iterator *self_msg_iter) | |
958f7d11 | 147 | { |
d6e69534 PP |
148 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = |
149 | g_new0(struct muxer_upstream_msg_iter, 1); | |
958f7d11 | 150 | |
d6e69534 PP |
151 | if (!muxer_upstream_msg_iter) { |
152 | BT_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper."); | |
958f7d11 PP |
153 | goto end; |
154 | } | |
155 | ||
d6e69534 PP |
156 | muxer_upstream_msg_iter->msg_iter = self_msg_iter; |
157 | bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter); | |
158 | muxer_upstream_msg_iter->msgs = g_queue_new(); | |
159 | if (!muxer_upstream_msg_iter->msgs) { | |
d4393e08 | 160 | BT_LOGE_STR("Failed to allocate a GQueue."); |
d4393e08 PP |
161 | goto end; |
162 | } | |
163 | ||
d6e69534 PP |
164 | g_ptr_array_add(muxer_msg_iter->muxer_upstream_msg_iters, |
165 | muxer_upstream_msg_iter); | |
166 | BT_LOGD("Added muxer's upstream message iterator wrapper: " | |
167 | "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p", | |
168 | muxer_upstream_msg_iter, muxer_msg_iter, | |
169 | self_msg_iter); | |
958f7d11 PP |
170 | |
171 | end: | |
d6e69534 | 172 | return muxer_upstream_msg_iter; |
958f7d11 PP |
173 | } |
174 | ||
958f7d11 | 175 | static |
4cdfc5e8 | 176 | bt_self_component_status ensure_available_input_port( |
b19ff26f | 177 | bt_self_component_filter *self_comp) |
958f7d11 | 178 | { |
d94d92ac | 179 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 180 | bt_self_component_filter_as_self_component(self_comp)); |
4cdfc5e8 | 181 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
958f7d11 | 182 | GString *port_name = NULL; |
958f7d11 | 183 | |
f6ccaed9 | 184 | BT_ASSERT(muxer_comp); |
958f7d11 PP |
185 | |
186 | if (muxer_comp->available_input_ports >= 1) { | |
187 | goto end; | |
188 | } | |
189 | ||
190 | port_name = g_string_new("in"); | |
191 | if (!port_name) { | |
fed72692 | 192 | BT_LOGE_STR("Failed to allocate a GString."); |
d94d92ac | 193 | status = BT_SELF_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
194 | goto end; |
195 | } | |
196 | ||
197 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
d94d92ac PP |
198 | status = bt_self_component_filter_add_input_port( |
199 | self_comp, port_name->str, NULL, NULL); | |
200 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
fed72692 PP |
201 | BT_LOGE("Cannot add input port to muxer component: " |
202 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
d94d92ac PP |
203 | port_name->str, self_comp, |
204 | bt_self_component_status_string(status)); | |
958f7d11 PP |
205 | goto end; |
206 | } | |
207 | ||
208 | muxer_comp->available_input_ports++; | |
209 | muxer_comp->next_port_num++; | |
fed72692 PP |
210 | BT_LOGD("Added one input port to muxer component: " |
211 | "port-name=\"%s\", comp-addr=%p", | |
d94d92ac | 212 | port_name->str, self_comp); |
958f7d11 PP |
213 | end: |
214 | if (port_name) { | |
215 | g_string_free(port_name, TRUE); | |
216 | } | |
217 | ||
147337a3 | 218 | return status; |
958f7d11 PP |
219 | } |
220 | ||
958f7d11 | 221 | static |
4cdfc5e8 | 222 | bt_self_component_status create_output_port( |
b19ff26f | 223 | bt_self_component_filter *self_comp) |
958f7d11 | 224 | { |
d94d92ac PP |
225 | return bt_self_component_filter_add_output_port( |
226 | self_comp, "out", NULL, NULL); | |
958f7d11 PP |
227 | } |
228 | ||
229 | static | |
230 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
231 | { | |
232 | if (!muxer_comp) { | |
233 | return; | |
234 | } | |
235 | ||
fed72692 | 236 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
d6e69534 PP |
237 | "muxer-msg-iter-count=%u", muxer_comp, |
238 | muxer_comp->muxer_msg_iters ? | |
239 | muxer_comp->muxer_msg_iters->len : 0); | |
fed72692 | 240 | |
d6e69534 PP |
241 | if (muxer_comp->muxer_msg_iters) { |
242 | g_ptr_array_free(muxer_comp->muxer_msg_iters, TRUE); | |
958f7d11 PP |
243 | } |
244 | ||
245 | g_free(muxer_comp); | |
246 | } | |
247 | ||
65ee897d | 248 | static |
b19ff26f | 249 | bt_value *get_default_params(void) |
65ee897d | 250 | { |
b19ff26f | 251 | bt_value *params; |
65ee897d PP |
252 | int ret; |
253 | ||
05e21286 | 254 | params = bt_value_map_create(); |
65ee897d | 255 | if (!params) { |
fed72692 | 256 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
257 | goto error; |
258 | } | |
259 | ||
05e21286 | 260 | ret = bt_value_map_insert_bool_entry(params, |
c3acd5f3 | 261 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); |
65ee897d | 262 | if (ret) { |
fed72692 | 263 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
264 | goto error; |
265 | } | |
266 | ||
267 | goto end; | |
268 | ||
269 | error: | |
c5b9b441 | 270 | BT_VALUE_PUT_REF_AND_RESET(params); |
65ee897d PP |
271 | |
272 | end: | |
273 | return params; | |
274 | } | |
275 | ||
276 | static | |
05e21286 | 277 | int configure_muxer_comp(struct muxer_comp *muxer_comp, |
b19ff26f | 278 | const bt_value *params) |
65ee897d | 279 | { |
b19ff26f PP |
280 | bt_value *default_params = NULL; |
281 | bt_value *real_params = NULL; | |
282 | const bt_value *assume_absolute_clock_classes = NULL; | |
65ee897d | 283 | int ret = 0; |
c55a9f58 | 284 | bt_bool bool_val; |
65ee897d PP |
285 | |
286 | default_params = get_default_params(); | |
287 | if (!default_params) { | |
fed72692 PP |
288 | BT_LOGE("Cannot get default parameters: " |
289 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
290 | goto error; |
291 | } | |
292 | ||
35294e83 | 293 | ret = bt_value_map_extend(default_params, params, &real_params); |
601b0d3c | 294 | if (ret) { |
fed72692 PP |
295 | BT_LOGE("Cannot extend default parameters map value: " |
296 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
297 | "params-addr=%p", muxer_comp, default_params, | |
298 | params); | |
65ee897d PP |
299 | goto error; |
300 | } | |
301 | ||
05e21286 PP |
302 | assume_absolute_clock_classes = bt_value_map_borrow_entry_value(real_params, |
303 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); | |
f6ccaed9 PP |
304 | if (assume_absolute_clock_classes && |
305 | !bt_value_is_bool(assume_absolute_clock_classes)) { | |
fed72692 PP |
306 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
307 | "muxer-comp-addr=%p, value-type=%s", | |
308 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
da91b29a | 309 | bt_common_value_type_string( |
fed72692 | 310 | bt_value_get_type(assume_absolute_clock_classes))); |
65ee897d PP |
311 | goto error; |
312 | } | |
313 | ||
601b0d3c | 314 | bool_val = bt_value_bool_get(assume_absolute_clock_classes); |
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: | |
c5b9b441 PP |
325 | bt_value_put_ref(default_params); |
326 | bt_value_put_ref(real_params); | |
65ee897d PP |
327 | return ret; |
328 | } | |
329 | ||
958f7d11 | 330 | BT_HIDDEN |
4cdfc5e8 | 331 | bt_self_component_status muxer_init( |
b19ff26f | 332 | bt_self_component_filter *self_comp, |
fdf0b89e FD |
333 | const bt_value *params, void *init_data) |
334 | ||
335 | ||
958f7d11 PP |
336 | { |
337 | int ret; | |
4cdfc5e8 | 338 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
958f7d11 PP |
339 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); |
340 | ||
fed72692 | 341 | BT_LOGD("Initializing muxer component: " |
d94d92ac | 342 | "comp-addr=%p, params-addr=%p", self_comp, params); |
fed72692 | 343 | |
958f7d11 | 344 | if (!muxer_comp) { |
fed72692 | 345 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
346 | goto error; |
347 | } | |
348 | ||
65ee897d PP |
349 | ret = configure_muxer_comp(muxer_comp, params); |
350 | if (ret) { | |
fed72692 PP |
351 | BT_LOGE("Cannot configure muxer component: " |
352 | "muxer-comp-addr=%p, params-addr=%p", | |
353 | muxer_comp, params); | |
65ee897d PP |
354 | goto error; |
355 | } | |
356 | ||
d6e69534 PP |
357 | muxer_comp->muxer_msg_iters = g_ptr_array_new(); |
358 | if (!muxer_comp->muxer_msg_iters) { | |
fed72692 | 359 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
360 | goto error; |
361 | } | |
362 | ||
d94d92ac PP |
363 | muxer_comp->self_comp = self_comp; |
364 | bt_self_component_set_data( | |
707b7d35 | 365 | bt_self_component_filter_as_self_component(self_comp), |
d94d92ac PP |
366 | muxer_comp); |
367 | status = ensure_available_input_port(self_comp); | |
368 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
fed72692 PP |
369 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
370 | "muxer-comp-addr=%p, status=%s", | |
371 | muxer_comp, | |
d94d92ac | 372 | bt_self_component_status_string(status)); |
958f7d11 PP |
373 | goto error; |
374 | } | |
375 | ||
d94d92ac | 376 | status = create_output_port(self_comp); |
fed72692 PP |
377 | if (status) { |
378 | BT_LOGE("Cannot create muxer component's output port: " | |
379 | "muxer-comp-addr=%p, status=%s", | |
380 | muxer_comp, | |
d94d92ac | 381 | bt_self_component_status_string(status)); |
958f7d11 PP |
382 | goto error; |
383 | } | |
384 | ||
fed72692 PP |
385 | BT_LOGD("Initialized muxer component: " |
386 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
d94d92ac | 387 | self_comp, params, muxer_comp); |
fed72692 | 388 | |
958f7d11 PP |
389 | goto end; |
390 | ||
391 | error: | |
392 | destroy_muxer_comp(muxer_comp); | |
d94d92ac | 393 | bt_self_component_set_data( |
707b7d35 | 394 | bt_self_component_filter_as_self_component(self_comp), |
d94d92ac | 395 | NULL); |
147337a3 | 396 | |
d94d92ac PP |
397 | if (status == BT_SELF_COMPONENT_STATUS_OK) { |
398 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
147337a3 | 399 | } |
958f7d11 PP |
400 | |
401 | end: | |
402 | return status; | |
403 | } | |
404 | ||
405 | BT_HIDDEN | |
b19ff26f | 406 | void muxer_finalize(bt_self_component_filter *self_comp) |
958f7d11 | 407 | { |
d94d92ac | 408 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 409 | bt_self_component_filter_as_self_component(self_comp)); |
958f7d11 | 410 | |
fed72692 | 411 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
d94d92ac | 412 | self_comp); |
958f7d11 PP |
413 | destroy_muxer_comp(muxer_comp); |
414 | } | |
415 | ||
416 | static | |
d6e69534 PP |
417 | bt_self_component_port_input_message_iterator * |
418 | create_msg_iter_on_input_port( | |
b19ff26f | 419 | bt_self_component_port_input *self_port, int *ret) |
958f7d11 | 420 | { |
b19ff26f | 421 | const bt_port *port = bt_self_component_port_as_port( |
707b7d35 | 422 | bt_self_component_port_input_as_self_component_port( |
d94d92ac | 423 | self_port)); |
d6e69534 | 424 | bt_self_component_port_input_message_iterator *msg_iter = |
d94d92ac | 425 | NULL; |
958f7d11 | 426 | |
f6ccaed9 | 427 | BT_ASSERT(ret); |
958f7d11 | 428 | *ret = 0; |
f6ccaed9 PP |
429 | BT_ASSERT(port); |
430 | BT_ASSERT(bt_port_is_connected(port)); | |
958f7d11 | 431 | |
ab11110e | 432 | // TODO: Advance the iterator to >= the time of the latest |
d6e69534 | 433 | // returned message by the muxer message |
ab11110e | 434 | // iterator which creates it. |
d6e69534 | 435 | msg_iter = bt_self_component_port_input_message_iterator_create( |
d94d92ac | 436 | self_port); |
d6e69534 PP |
437 | if (!msg_iter) { |
438 | BT_LOGE("Cannot create upstream message iterator on input port: " | |
d94d92ac PP |
439 | "port-addr=%p, port-name=\"%s\"", |
440 | port, bt_port_get_name(port)); | |
958f7d11 PP |
441 | *ret = -1; |
442 | goto end; | |
443 | } | |
444 | ||
d6e69534 PP |
445 | BT_LOGD("Created upstream message iterator on input port: " |
446 | "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p", | |
447 | port, bt_port_get_name(port), msg_iter); | |
fed72692 | 448 | |
958f7d11 | 449 | end: |
d6e69534 | 450 | return msg_iter; |
958f7d11 PP |
451 | } |
452 | ||
ab11110e | 453 | static |
fdf0b89e | 454 | bt_self_message_iterator_status muxer_upstream_msg_iter_next( |
d6e69534 | 455 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) |
ab11110e | 456 | { |
fdf0b89e FD |
457 | bt_self_message_iterator_status status; |
458 | bt_message_iterator_status input_port_iter_status; | |
d6e69534 | 459 | bt_message_array_const msgs; |
d4393e08 PP |
460 | uint64_t i; |
461 | uint64_t count; | |
ab11110e | 462 | |
d6e69534 PP |
463 | BT_LOGV("Calling upstream message iterator's \"next\" method: " |
464 | "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p", | |
465 | muxer_upstream_msg_iter, | |
466 | muxer_upstream_msg_iter->msg_iter); | |
fdf0b89e | 467 | input_port_iter_status = bt_self_component_port_input_message_iterator_next( |
d6e69534 PP |
468 | muxer_upstream_msg_iter->msg_iter, &msgs, &count); |
469 | BT_LOGV("Upstream message iterator's \"next\" method returned: " | |
fdf0b89e | 470 | "status=%s", bt_message_iterator_status_string(input_port_iter_status)); |
ab11110e | 471 | |
fdf0b89e | 472 | switch (input_port_iter_status) { |
d6e69534 | 473 | case BT_MESSAGE_ITERATOR_STATUS_OK: |
089717de | 474 | /* |
d6e69534 | 475 | * Message iterator's current message is |
d4393e08 | 476 | * valid: it must be considered for muxing operations. |
089717de | 477 | */ |
d6e69534 | 478 | BT_LOGV_STR("Validated upstream message iterator wrapper."); |
d4393e08 PP |
479 | BT_ASSERT(count > 0); |
480 | ||
d6e69534 | 481 | /* Move messages to our queue */ |
d4393e08 PP |
482 | for (i = 0; i < count; i++) { |
483 | /* | |
484 | * Push to tail in order; other side | |
d6e69534 | 485 | * (muxer_msg_iter_do_next_one()) consumes |
d4393e08 PP |
486 | * from the head first. |
487 | */ | |
d6e69534 PP |
488 | g_queue_push_tail(muxer_upstream_msg_iter->msgs, |
489 | (void *) msgs[i]); | |
d4393e08 | 490 | } |
fdf0b89e | 491 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
ab11110e | 492 | break; |
d6e69534 | 493 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: |
089717de | 494 | /* |
d6e69534 | 495 | * Message iterator's current message is not |
089717de | 496 | * valid anymore. Return |
d6e69534 | 497 | * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately. |
089717de | 498 | */ |
fdf0b89e | 499 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN; |
ab11110e | 500 | break; |
d6e69534 | 501 | case BT_MESSAGE_ITERATOR_STATUS_END: /* Fall-through. */ |
ab11110e | 502 | /* |
d6e69534 | 503 | * Message iterator reached the end: release it. It |
ab11110e | 504 | * won't be considered again to find the youngest |
d6e69534 | 505 | * message. |
ab11110e | 506 | */ |
d6e69534 | 507 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(muxer_upstream_msg_iter->msg_iter); |
fdf0b89e | 508 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
089717de | 509 | break; |
ab11110e PP |
510 | default: |
511 | /* Error or unsupported status code */ | |
fed72692 | 512 | BT_LOGE("Error or unsupported status code: " |
fdf0b89e FD |
513 | "status-code=%d", input_port_iter_status); |
514 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
089717de | 515 | break; |
ab11110e PP |
516 | } |
517 | ||
089717de | 518 | return status; |
ab11110e PP |
519 | } |
520 | ||
521 | static | |
d6e69534 PP |
522 | int muxer_msg_iter_handle_newly_connected_ports( |
523 | struct muxer_msg_iter *muxer_msg_iter) | |
ab11110e | 524 | { |
ab11110e PP |
525 | int ret = 0; |
526 | ||
fed72692 | 527 | BT_LOGV("Handling newly connected ports: " |
d6e69534 | 528 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
fed72692 | 529 | |
ab11110e | 530 | /* |
d6e69534 | 531 | * Here we create one upstream message iterator for each |
d4393e08 | 532 | * newly connected port. We do NOT perform an initial "next" on |
d6e69534 | 533 | * those new upstream message iterators: they are |
089717de PP |
534 | * invalidated, to be validated later. The list of newly |
535 | * connected ports to handle here is updated by | |
536 | * muxer_port_connected(). | |
ab11110e PP |
537 | */ |
538 | while (true) { | |
d6e69534 | 539 | GList *node = muxer_msg_iter->newly_connected_self_ports; |
b19ff26f PP |
540 | bt_self_component_port_input *self_port; |
541 | const bt_port *port; | |
d6e69534 PP |
542 | bt_self_component_port_input_message_iterator * |
543 | upstream_msg_iter = NULL; | |
544 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter; | |
ab11110e PP |
545 | |
546 | if (!node) { | |
547 | break; | |
548 | } | |
549 | ||
d94d92ac | 550 | self_port = node->data; |
707b7d35 PP |
551 | port = bt_self_component_port_as_port( |
552 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 553 | (self_port))); |
f6ccaed9 | 554 | BT_ASSERT(port); |
ab11110e PP |
555 | |
556 | if (!bt_port_is_connected(port)) { | |
557 | /* | |
558 | * Looks like this port is not connected | |
559 | * anymore: we can't create an upstream | |
d6e69534 | 560 | * message iterator on its (non-existing) |
089717de | 561 | * connection in this case. |
ab11110e PP |
562 | */ |
563 | goto remove_node; | |
564 | } | |
565 | ||
d6e69534 | 566 | upstream_msg_iter = create_msg_iter_on_input_port( |
d94d92ac | 567 | self_port, &ret); |
ab11110e | 568 | if (ret) { |
d6e69534 PP |
569 | /* create_msg_iter_on_input_port() logs errors */ |
570 | BT_ASSERT(!upstream_msg_iter); | |
ab11110e PP |
571 | goto error; |
572 | } | |
573 | ||
d6e69534 PP |
574 | muxer_upstream_msg_iter = |
575 | muxer_msg_iter_add_upstream_msg_iter( | |
576 | muxer_msg_iter, upstream_msg_iter); | |
577 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(upstream_msg_iter); | |
578 | if (!muxer_upstream_msg_iter) { | |
fed72692 | 579 | /* |
d6e69534 | 580 | * muxer_msg_iter_add_upstream_msg_iter() |
fed72692 PP |
581 | * logs errors. |
582 | */ | |
ab11110e PP |
583 | goto error; |
584 | } | |
585 | ||
ab11110e | 586 | remove_node: |
d6e69534 PP |
587 | bt_self_component_port_input_message_iterator_put_ref(upstream_msg_iter); |
588 | muxer_msg_iter->newly_connected_self_ports = | |
ab11110e | 589 | g_list_delete_link( |
d6e69534 | 590 | muxer_msg_iter->newly_connected_self_ports, |
ab11110e PP |
591 | node); |
592 | } | |
593 | ||
594 | goto end; | |
595 | ||
596 | error: | |
089717de | 597 | if (ret >= 0) { |
ab11110e PP |
598 | ret = -1; |
599 | } | |
600 | ||
601 | end: | |
ab11110e PP |
602 | return ret; |
603 | } | |
604 | ||
958f7d11 | 605 | static |
d6e69534 PP |
606 | int get_msg_ts_ns(struct muxer_comp *muxer_comp, |
607 | struct muxer_msg_iter *muxer_msg_iter, | |
608 | const bt_message *msg, int64_t last_returned_ts_ns, | |
958f7d11 PP |
609 | int64_t *ts_ns) |
610 | { | |
b19ff26f | 611 | const bt_clock_class *clock_class = NULL; |
605e1019 | 612 | const bt_clock_snapshot *clock_snapshot = NULL; |
b19ff26f | 613 | const bt_event *event = NULL; |
958f7d11 | 614 | int ret = 0; |
282c8cd0 | 615 | const unsigned char *cc_uuid; |
fed72692 | 616 | const char *cc_name; |
4cdfc5e8 | 617 | bt_clock_snapshot_state cs_state = BT_CLOCK_SNAPSHOT_STATE_KNOWN; |
958f7d11 | 618 | |
d6e69534 | 619 | BT_ASSERT(msg); |
f6ccaed9 | 620 | BT_ASSERT(ts_ns); |
958f7d11 | 621 | |
d6e69534 PP |
622 | BT_LOGV("Getting message's timestamp: " |
623 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
fed72692 | 624 | "last-returned-ts=%" PRId64, |
d6e69534 | 625 | muxer_msg_iter, msg, last_returned_ts_ns); |
fed72692 | 626 | |
d6e69534 PP |
627 | switch (bt_message_get_type(msg)) { |
628 | case BT_MESSAGE_TYPE_EVENT: | |
629 | event = bt_message_event_borrow_event_const(msg); | |
e22b45d0 | 630 | BT_ASSERT(event); |
dc68f16d | 631 | cs_state = bt_event_borrow_default_clock_snapshot_const(event, |
605e1019 | 632 | &clock_snapshot); |
958f7d11 PP |
633 | break; |
634 | ||
d6e69534 | 635 | case BT_MESSAGE_TYPE_INACTIVITY: |
dc68f16d | 636 | cs_state = |
605e1019 | 637 | bt_message_inactivity_borrow_default_clock_snapshot_const( |
dc68f16d | 638 | msg, &clock_snapshot); |
958f7d11 PP |
639 | break; |
640 | default: | |
d6e69534 PP |
641 | /* All the other messages have a higher priority */ |
642 | BT_LOGV_STR("Message has no timestamp: using the last returned timestamp."); | |
958f7d11 PP |
643 | *ts_ns = last_returned_ts_ns; |
644 | goto end; | |
645 | } | |
646 | ||
dc68f16d | 647 | if (cs_state != BT_CLOCK_SNAPSHOT_STATE_KNOWN) { |
605e1019 | 648 | BT_LOGE_STR("Unsupported unknown clock snapshot."); |
44c440bc PP |
649 | ret = -1; |
650 | goto end; | |
651 | } | |
652 | ||
958f7d11 | 653 | /* |
605e1019 | 654 | * If the clock snapshot is missing, then we consider that this |
d6e69534 | 655 | * message has no time. In this case it's always the |
e22b45d0 | 656 | * youngest. |
958f7d11 | 657 | */ |
605e1019 PP |
658 | if (!clock_snapshot) { |
659 | BT_LOGV_STR("Message's default clock snapshot is missing: " | |
fed72692 | 660 | "using the last returned timestamp."); |
958f7d11 PP |
661 | *ts_ns = last_returned_ts_ns; |
662 | goto end; | |
663 | } | |
664 | ||
605e1019 | 665 | clock_class = bt_clock_snapshot_borrow_clock_class_const(clock_snapshot); |
e22b45d0 | 666 | BT_ASSERT(clock_class); |
50842bdc PP |
667 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
668 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 | 669 | |
d6e69534 PP |
670 | if (muxer_msg_iter->clock_class_expectation == |
671 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
282c8cd0 PP |
672 | /* |
673 | * This is the first clock class that this muxer | |
d6e69534 | 674 | * message iterator encounters. Its properties |
282c8cd0 PP |
675 | * determine what to expect for the whole lifetime of |
676 | * the iterator without a true | |
677 | * `assume-absolute-clock-classes` parameter. | |
678 | */ | |
50842bdc | 679 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 | 680 | /* Expect absolute clock classes */ |
d6e69534 PP |
681 | muxer_msg_iter->clock_class_expectation = |
682 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
282c8cd0 PP |
683 | } else { |
684 | if (cc_uuid) { | |
685 | /* | |
686 | * Expect non-absolute clock classes | |
687 | * with a specific UUID. | |
688 | */ | |
d6e69534 PP |
689 | muxer_msg_iter->clock_class_expectation = |
690 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
691 | memcpy(muxer_msg_iter->expected_clock_class_uuid, | |
282c8cd0 PP |
692 | cc_uuid, BABELTRACE_UUID_LEN); |
693 | } else { | |
694 | /* | |
695 | * Expect non-absolute clock classes | |
696 | * with no UUID. | |
697 | */ | |
d6e69534 PP |
698 | muxer_msg_iter->clock_class_expectation = |
699 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
282c8cd0 PP |
700 | } |
701 | } | |
702 | } | |
703 | ||
704 | if (!muxer_comp->assume_absolute_clock_classes) { | |
d6e69534 PP |
705 | switch (muxer_msg_iter->clock_class_expectation) { |
706 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
50842bdc | 707 | if (!bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
708 | BT_LOGE("Expecting an absolute clock class, " |
709 | "but got a non-absolute one: " | |
710 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
711 | clock_class, cc_name); | |
282c8cd0 PP |
712 | goto error; |
713 | } | |
714 | break; | |
d6e69534 | 715 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: |
50842bdc | 716 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
717 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
718 | "but got an absolute one: " | |
719 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
720 | clock_class, cc_name); | |
282c8cd0 PP |
721 | goto error; |
722 | } | |
723 | ||
724 | if (cc_uuid) { | |
fed72692 PP |
725 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
726 | "but got one with a UUID: " | |
727 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
728 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
729 | clock_class, cc_name, | |
730 | (unsigned int) cc_uuid[0], | |
731 | (unsigned int) cc_uuid[1], | |
732 | (unsigned int) cc_uuid[2], | |
733 | (unsigned int) cc_uuid[3], | |
734 | (unsigned int) cc_uuid[4], | |
735 | (unsigned int) cc_uuid[5], | |
736 | (unsigned int) cc_uuid[6], | |
737 | (unsigned int) cc_uuid[7], | |
738 | (unsigned int) cc_uuid[8], | |
739 | (unsigned int) cc_uuid[9], | |
740 | (unsigned int) cc_uuid[10], | |
741 | (unsigned int) cc_uuid[11], | |
742 | (unsigned int) cc_uuid[12], | |
743 | (unsigned int) cc_uuid[13], | |
744 | (unsigned int) cc_uuid[14], | |
745 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
746 | goto error; |
747 | } | |
748 | break; | |
d6e69534 | 749 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: |
50842bdc | 750 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
751 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
752 | "but got an absolute one: " | |
753 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
754 | clock_class, cc_name); | |
282c8cd0 PP |
755 | goto error; |
756 | } | |
757 | ||
758 | if (!cc_uuid) { | |
fed72692 PP |
759 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
760 | "but got one with no UUID: " | |
761 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
762 | clock_class, cc_name); | |
282c8cd0 PP |
763 | goto error; |
764 | } | |
765 | ||
d6e69534 | 766 | if (memcmp(muxer_msg_iter->expected_clock_class_uuid, |
282c8cd0 | 767 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { |
fed72692 PP |
768 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
769 | "but got one with different UUID: " | |
770 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
771 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
772 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
773 | clock_class, cc_name, | |
d6e69534 PP |
774 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[0], |
775 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[1], | |
776 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[2], | |
777 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[3], | |
778 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[4], | |
779 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[5], | |
780 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[6], | |
781 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[7], | |
782 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[8], | |
783 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[9], | |
784 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[10], | |
785 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[11], | |
786 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[12], | |
787 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[13], | |
788 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[14], | |
789 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[15], | |
fed72692 PP |
790 | (unsigned int) cc_uuid[0], |
791 | (unsigned int) cc_uuid[1], | |
792 | (unsigned int) cc_uuid[2], | |
793 | (unsigned int) cc_uuid[3], | |
794 | (unsigned int) cc_uuid[4], | |
795 | (unsigned int) cc_uuid[5], | |
796 | (unsigned int) cc_uuid[6], | |
797 | (unsigned int) cc_uuid[7], | |
798 | (unsigned int) cc_uuid[8], | |
799 | (unsigned int) cc_uuid[9], | |
800 | (unsigned int) cc_uuid[10], | |
801 | (unsigned int) cc_uuid[11], | |
802 | (unsigned int) cc_uuid[12], | |
803 | (unsigned int) cc_uuid[13], | |
804 | (unsigned int) cc_uuid[14], | |
805 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
806 | goto error; |
807 | } | |
808 | break; | |
809 | default: | |
810 | /* Unexpected */ | |
fed72692 PP |
811 | BT_LOGF("Unexpected clock class expectation: " |
812 | "expectation-code=%d", | |
d6e69534 | 813 | muxer_msg_iter->clock_class_expectation); |
282c8cd0 PP |
814 | abort(); |
815 | } | |
958f7d11 PP |
816 | } |
817 | ||
605e1019 | 818 | ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns); |
958f7d11 | 819 | if (ret) { |
605e1019 PP |
820 | BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: " |
821 | "clock-snapshot-addr=%p", clock_snapshot); | |
958f7d11 PP |
822 | goto error; |
823 | } | |
824 | ||
825 | goto end; | |
826 | ||
827 | error: | |
828 | ret = -1; | |
829 | ||
830 | end: | |
fed72692 | 831 | if (ret == 0) { |
d6e69534 PP |
832 | BT_LOGV("Found message's timestamp: " |
833 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
fed72692 | 834 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, |
d6e69534 | 835 | muxer_msg_iter, msg, last_returned_ts_ns, |
fed72692 PP |
836 | *ts_ns); |
837 | } | |
838 | ||
958f7d11 PP |
839 | return ret; |
840 | } | |
841 | ||
ab11110e | 842 | /* |
d6e69534 PP |
843 | * This function finds the youngest available message amongst the |
844 | * non-ended upstream message iterators and returns the upstream | |
845 | * message iterator which has it, or | |
846 | * BT_MESSAGE_ITERATOR_STATUS_END if there's no available | |
847 | * message. | |
ab11110e PP |
848 | * |
849 | * This function does NOT: | |
850 | * | |
d6e69534 | 851 | * * Update any upstream message iterator. |
ab11110e | 852 | * * Check for newly connected ports. |
d6e69534 | 853 | * * Check the upstream message iterators to retry. |
ab11110e | 854 | * |
d6e69534 PP |
855 | * On sucess, this function sets *muxer_upstream_msg_iter to the |
856 | * upstream message iterator of which the current message is | |
ab11110e PP |
857 | * the youngest, and sets *ts_ns to its time. |
858 | */ | |
958f7d11 | 859 | static |
fdf0b89e | 860 | bt_self_message_iterator_status |
d6e69534 | 861 | muxer_msg_iter_youngest_upstream_msg_iter( |
958f7d11 | 862 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
863 | struct muxer_msg_iter *muxer_msg_iter, |
864 | struct muxer_upstream_msg_iter **muxer_upstream_msg_iter, | |
958f7d11 PP |
865 | int64_t *ts_ns) |
866 | { | |
867 | size_t i; | |
868 | int ret; | |
869 | int64_t youngest_ts_ns = INT64_MAX; | |
fdf0b89e FD |
870 | bt_self_message_iterator_status status = |
871 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
958f7d11 | 872 | |
f6ccaed9 | 873 | BT_ASSERT(muxer_comp); |
d6e69534 PP |
874 | BT_ASSERT(muxer_msg_iter); |
875 | BT_ASSERT(muxer_upstream_msg_iter); | |
876 | *muxer_upstream_msg_iter = NULL; | |
877 | ||
878 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { | |
879 | const bt_message *msg; | |
880 | struct muxer_upstream_msg_iter *cur_muxer_upstream_msg_iter = | |
881 | g_ptr_array_index(muxer_msg_iter->muxer_upstream_msg_iters, i); | |
882 | int64_t msg_ts_ns; | |
883 | ||
884 | if (!cur_muxer_upstream_msg_iter->msg_iter) { | |
885 | /* This upstream message iterator is ended */ | |
886 | BT_LOGV("Skipping ended upstream message iterator: " | |
887 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
888 | cur_muxer_upstream_msg_iter); | |
958f7d11 PP |
889 | continue; |
890 | } | |
891 | ||
d6e69534 PP |
892 | BT_ASSERT(cur_muxer_upstream_msg_iter->msgs->length > 0); |
893 | msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs); | |
894 | BT_ASSERT(msg); | |
895 | ret = get_msg_ts_ns(muxer_comp, muxer_msg_iter, msg, | |
896 | muxer_msg_iter->last_returned_ts_ns, &msg_ts_ns); | |
958f7d11 | 897 | if (ret) { |
d6e69534 PP |
898 | /* get_msg_ts_ns() logs errors */ |
899 | *muxer_upstream_msg_iter = NULL; | |
fdf0b89e | 900 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
901 | goto end; |
902 | } | |
903 | ||
d6e69534 PP |
904 | if (msg_ts_ns <= youngest_ts_ns) { |
905 | *muxer_upstream_msg_iter = | |
906 | cur_muxer_upstream_msg_iter; | |
907 | youngest_ts_ns = msg_ts_ns; | |
958f7d11 PP |
908 | *ts_ns = youngest_ts_ns; |
909 | } | |
910 | } | |
911 | ||
d6e69534 | 912 | if (!*muxer_upstream_msg_iter) { |
fdf0b89e | 913 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; |
958f7d11 PP |
914 | *ts_ns = INT64_MIN; |
915 | } | |
916 | ||
917 | end: | |
918 | return status; | |
919 | } | |
920 | ||
921 | static | |
fdf0b89e | 922 | bt_self_message_iterator_status validate_muxer_upstream_msg_iter( |
d6e69534 | 923 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) |
958f7d11 | 924 | { |
fdf0b89e FD |
925 | bt_self_message_iterator_status status = |
926 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
958f7d11 | 927 | |
d6e69534 PP |
928 | BT_LOGV("Validating muxer's upstream message iterator wrapper: " |
929 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
930 | muxer_upstream_msg_iter); | |
fed72692 | 931 | |
d6e69534 PP |
932 | if (muxer_upstream_msg_iter->msgs->length > 0 || |
933 | !muxer_upstream_msg_iter->msg_iter) { | |
d4393e08 | 934 | BT_LOGV("Already valid or not considered: " |
d6e69534 PP |
935 | "queue-len=%u, upstream-msg-iter-addr=%p", |
936 | muxer_upstream_msg_iter->msgs->length, | |
937 | muxer_upstream_msg_iter->msg_iter); | |
ab11110e PP |
938 | goto end; |
939 | } | |
940 | ||
d6e69534 PP |
941 | /* muxer_upstream_msg_iter_next() logs details/errors */ |
942 | status = muxer_upstream_msg_iter_next(muxer_upstream_msg_iter); | |
089717de PP |
943 | |
944 | end: | |
945 | return status; | |
946 | } | |
947 | ||
948 | static | |
fdf0b89e | 949 | bt_self_message_iterator_status validate_muxer_upstream_msg_iters( |
d6e69534 | 950 | struct muxer_msg_iter *muxer_msg_iter) |
089717de | 951 | { |
fdf0b89e FD |
952 | bt_self_message_iterator_status status = |
953 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
089717de PP |
954 | size_t i; |
955 | ||
d6e69534 PP |
956 | BT_LOGV("Validating muxer's upstream message iterator wrappers: " |
957 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
fed72692 | 958 | |
d6e69534 PP |
959 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { |
960 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = | |
089717de | 961 | g_ptr_array_index( |
d6e69534 | 962 | muxer_msg_iter->muxer_upstream_msg_iters, |
089717de PP |
963 | i); |
964 | ||
d6e69534 PP |
965 | status = validate_muxer_upstream_msg_iter( |
966 | muxer_upstream_msg_iter); | |
fdf0b89e | 967 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
fed72692 | 968 | if (status < 0) { |
d6e69534 PP |
969 | BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: " |
970 | "muxer-msg-iter-addr=%p, " | |
971 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
972 | muxer_msg_iter, | |
973 | muxer_upstream_msg_iter); | |
fed72692 | 974 | } else { |
d6e69534 PP |
975 | BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: " |
976 | "muxer-msg-iter-addr=%p, " | |
977 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
978 | muxer_msg_iter, | |
979 | muxer_upstream_msg_iter); | |
fed72692 PP |
980 | } |
981 | ||
089717de PP |
982 | goto end; |
983 | } | |
744ba28b PP |
984 | |
985 | /* | |
d6e69534 | 986 | * Remove this muxer upstream message iterator |
744ba28b PP |
987 | * if it's ended or canceled. |
988 | */ | |
d6e69534 | 989 | if (!muxer_upstream_msg_iter->msg_iter) { |
744ba28b PP |
990 | /* |
991 | * Use g_ptr_array_remove_fast() because the | |
992 | * order of those elements is not important. | |
993 | */ | |
d6e69534 PP |
994 | BT_LOGV("Removing muxer's upstream message iterator wrapper: ended or canceled: " |
995 | "muxer-msg-iter-addr=%p, " | |
996 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
997 | muxer_msg_iter, muxer_upstream_msg_iter); | |
744ba28b | 998 | g_ptr_array_remove_index_fast( |
d6e69534 | 999 | muxer_msg_iter->muxer_upstream_msg_iters, |
744ba28b PP |
1000 | i); |
1001 | i--; | |
1002 | } | |
089717de PP |
1003 | } |
1004 | ||
1005 | end: | |
1006 | return status; | |
1007 | } | |
1008 | ||
d4393e08 | 1009 | static inline |
fdf0b89e | 1010 | bt_self_message_iterator_status muxer_msg_iter_do_next_one( |
089717de | 1011 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
1012 | struct muxer_msg_iter *muxer_msg_iter, |
1013 | const bt_message **msg) | |
089717de | 1014 | { |
fdf0b89e FD |
1015 | bt_self_message_iterator_status status = |
1016 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
d6e69534 | 1017 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL; |
089717de PP |
1018 | int64_t next_return_ts; |
1019 | ||
1020 | while (true) { | |
d6e69534 PP |
1021 | int ret = muxer_msg_iter_handle_newly_connected_ports( |
1022 | muxer_msg_iter); | |
089717de PP |
1023 | |
1024 | if (ret) { | |
d6e69534 PP |
1025 | BT_LOGE("Cannot handle newly connected input ports for muxer's message iterator: " |
1026 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
fed72692 | 1027 | "ret=%d", |
d6e69534 | 1028 | muxer_comp, muxer_msg_iter, ret); |
fdf0b89e | 1029 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
089717de PP |
1030 | goto end; |
1031 | } | |
1032 | ||
d6e69534 | 1033 | status = validate_muxer_upstream_msg_iters(muxer_msg_iter); |
fdf0b89e | 1034 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
d6e69534 | 1035 | /* validate_muxer_upstream_msg_iters() logs details */ |
089717de PP |
1036 | goto end; |
1037 | } | |
ab11110e | 1038 | |
958f7d11 | 1039 | /* |
089717de | 1040 | * At this point, we know that all the existing upstream |
d6e69534 | 1041 | * message iterators are valid. However the |
089717de | 1042 | * operations to validate them (during |
d6e69534 | 1043 | * validate_muxer_upstream_msg_iters()) may have |
089717de PP |
1044 | * connected new ports. If no ports were connected |
1045 | * during this operation, exit the loop. | |
958f7d11 | 1046 | */ |
d6e69534 PP |
1047 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1048 | BT_LOGV("Not breaking this loop: muxer's message iterator still has newly connected input ports to handle: " | |
fed72692 | 1049 | "muxer-comp-addr=%p", muxer_comp); |
089717de PP |
1050 | break; |
1051 | } | |
958f7d11 PP |
1052 | } |
1053 | ||
d6e69534 | 1054 | BT_ASSERT(!muxer_msg_iter->newly_connected_self_ports); |
089717de | 1055 | |
958f7d11 | 1056 | /* |
089717de | 1057 | * At this point we know that all the existing upstream |
d6e69534 PP |
1058 | * message iterators are valid. We can find the one, |
1059 | * amongst those, of which the current message is the | |
089717de | 1060 | * youngest. |
958f7d11 | 1061 | */ |
d6e69534 PP |
1062 | status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp, |
1063 | muxer_msg_iter, &muxer_upstream_msg_iter, | |
089717de | 1064 | &next_return_ts); |
fdf0b89e | 1065 | if (status < 0 || status == BT_SELF_MESSAGE_ITERATOR_STATUS_END) { |
d4393e08 | 1066 | if (status < 0) { |
d6e69534 | 1067 | BT_LOGE("Cannot find the youngest upstream message iterator wrapper: " |
fed72692 | 1068 | "status=%s", |
fdf0b89e | 1069 | bt_self_message_iterator_status_string(status)); |
fed72692 | 1070 | } else { |
d6e69534 | 1071 | BT_LOGV("Cannot find the youngest upstream message iterator wrapper: " |
fed72692 | 1072 | "status=%s", |
fdf0b89e | 1073 | bt_self_message_iterator_status_string(status)); |
fed72692 PP |
1074 | } |
1075 | ||
958f7d11 PP |
1076 | goto end; |
1077 | } | |
1078 | ||
d6e69534 PP |
1079 | if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) { |
1080 | BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: " | |
1081 | "muxer-msg-iter-addr=%p, ts=%" PRId64 ", " | |
fed72692 | 1082 | "last-returned-ts=%" PRId64, |
d6e69534 PP |
1083 | muxer_msg_iter, next_return_ts, |
1084 | muxer_msg_iter->last_returned_ts_ns); | |
fdf0b89e | 1085 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1086 | goto end; |
1087 | } | |
1088 | ||
d6e69534 PP |
1089 | BT_LOGV("Found youngest upstream message iterator wrapper: " |
1090 | "muxer-msg-iter-addr=%p, " | |
1091 | "muxer-upstream-msg-iter-wrap-addr=%p, " | |
fed72692 | 1092 | "ts=%" PRId64, |
d6e69534 | 1093 | muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts); |
fdf0b89e | 1094 | BT_ASSERT(status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK); |
d6e69534 | 1095 | BT_ASSERT(muxer_upstream_msg_iter); |
958f7d11 PP |
1096 | |
1097 | /* | |
d4393e08 | 1098 | * Consume from the queue's head: other side |
d6e69534 | 1099 | * (muxer_upstream_msg_iter_next()) writes to the tail. |
958f7d11 | 1100 | */ |
d6e69534 PP |
1101 | *msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs); |
1102 | BT_ASSERT(*msg); | |
1103 | muxer_msg_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1104 | |
1105 | end: | |
d4393e08 PP |
1106 | return status; |
1107 | } | |
1108 | ||
1109 | static | |
fdf0b89e | 1110 | bt_self_message_iterator_status muxer_msg_iter_do_next( |
d4393e08 | 1111 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
1112 | struct muxer_msg_iter *muxer_msg_iter, |
1113 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
1114 | uint64_t *count) |
1115 | { | |
fdf0b89e FD |
1116 | bt_self_message_iterator_status status = |
1117 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
d4393e08 PP |
1118 | uint64_t i = 0; |
1119 | ||
4725a201 | 1120 | while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
d6e69534 PP |
1121 | status = muxer_msg_iter_do_next_one(muxer_comp, |
1122 | muxer_msg_iter, &msgs[i]); | |
4725a201 | 1123 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
d4393e08 PP |
1124 | i++; |
1125 | } | |
1126 | } | |
1127 | ||
1128 | if (i > 0) { | |
1129 | /* | |
d6e69534 | 1130 | * Even if muxer_msg_iter_do_next_one() returned |
d4393e08 | 1131 | * something else than |
d6e69534 PP |
1132 | * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated |
1133 | * message objects in the output message | |
d4393e08 | 1134 | * array, so we need to return |
d6e69534 | 1135 | * BT_MESSAGE_ITERATOR_STATUS_OK so that they are |
d4393e08 | 1136 | * transfered to downstream. This other status occurs |
d6e69534 | 1137 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 1138 | * called, possibly without any accumulated |
d6e69534 | 1139 | * message, in which case we'll return it. |
d4393e08 PP |
1140 | */ |
1141 | *count = i; | |
fdf0b89e | 1142 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
1143 | } |
1144 | ||
1145 | return status; | |
958f7d11 PP |
1146 | } |
1147 | ||
1148 | static | |
d6e69534 | 1149 | void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter) |
ab11110e | 1150 | { |
d6e69534 | 1151 | if (!muxer_msg_iter) { |
ab11110e PP |
1152 | return; |
1153 | } | |
1154 | ||
d6e69534 PP |
1155 | BT_LOGD("Destroying muxer component's message iterator: " |
1156 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
fed72692 | 1157 | |
d6e69534 PP |
1158 | if (muxer_msg_iter->muxer_upstream_msg_iters) { |
1159 | BT_LOGD_STR("Destroying muxer's upstream message iterator wrappers."); | |
ab11110e | 1160 | g_ptr_array_free( |
d6e69534 | 1161 | muxer_msg_iter->muxer_upstream_msg_iters, TRUE); |
ab11110e PP |
1162 | } |
1163 | ||
d6e69534 PP |
1164 | g_list_free(muxer_msg_iter->newly_connected_self_ports); |
1165 | g_free(muxer_msg_iter); | |
ab11110e PP |
1166 | } |
1167 | ||
1168 | static | |
d6e69534 PP |
1169 | int muxer_msg_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, |
1170 | struct muxer_msg_iter *muxer_msg_iter) | |
958f7d11 | 1171 | { |
544d0515 PP |
1172 | int64_t count; |
1173 | int64_t i; | |
ab11110e | 1174 | int ret = 0; |
958f7d11 | 1175 | |
ab11110e | 1176 | /* |
d6e69534 | 1177 | * Add the connected input ports to this muxer message |
ab11110e | 1178 | * iterator's list of newly connected ports. They will be |
d6e69534 | 1179 | * handled by muxer_msg_iter_handle_newly_connected_ports(). |
ab11110e | 1180 | */ |
d94d92ac | 1181 | count = bt_component_filter_get_input_port_count( |
707b7d35 | 1182 | bt_self_component_filter_as_component_filter( |
d94d92ac | 1183 | muxer_comp->self_comp)); |
544d0515 | 1184 | if (count < 0) { |
d6e69534 PP |
1185 | BT_LOGD("No input port to initialize for muxer component's message iterator: " |
1186 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p", | |
1187 | muxer_comp, muxer_msg_iter); | |
ab11110e PP |
1188 | goto end; |
1189 | } | |
958f7d11 PP |
1190 | |
1191 | for (i = 0; i < count; i++) { | |
b19ff26f | 1192 | bt_self_component_port_input *self_port = |
d94d92ac PP |
1193 | bt_self_component_filter_borrow_input_port_by_index( |
1194 | muxer_comp->self_comp, i); | |
b19ff26f | 1195 | const bt_port *port; |
958f7d11 | 1196 | |
d94d92ac | 1197 | BT_ASSERT(self_port); |
707b7d35 PP |
1198 | port = bt_self_component_port_as_port( |
1199 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 1200 | self_port)); |
f6ccaed9 | 1201 | BT_ASSERT(port); |
958f7d11 PP |
1202 | |
1203 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1204 | BT_LOGD("Skipping input port: not connected: " |
1205 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1206 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 PP |
1207 | continue; |
1208 | } | |
1209 | ||
d6e69534 | 1210 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1211 | g_list_append( |
d6e69534 | 1212 | muxer_msg_iter->newly_connected_self_ports, |
d94d92ac | 1213 | self_port); |
d6e69534 PP |
1214 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1215 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
fed72692 | 1216 | "port-addr=%p, port-name=\"%s\", " |
d6e69534 PP |
1217 | "muxer-msg-iter-addr=%p", port, |
1218 | bt_port_get_name(port), muxer_msg_iter); | |
ab11110e PP |
1219 | ret = -1; |
1220 | goto end; | |
958f7d11 | 1221 | } |
fed72692 | 1222 | |
d6e69534 | 1223 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
fed72692 | 1224 | "port-addr=%p, port-name=\"%s\", " |
d6e69534 PP |
1225 | "muxer-msg-iter-addr=%p", port, |
1226 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1227 | } |
1228 | ||
1229 | end: | |
958f7d11 PP |
1230 | return ret; |
1231 | } | |
1232 | ||
958f7d11 | 1233 | BT_HIDDEN |
4cdfc5e8 | 1234 | bt_self_message_iterator_status muxer_msg_iter_init( |
d6e69534 | 1235 | bt_self_message_iterator *self_msg_iter, |
b19ff26f PP |
1236 | bt_self_component_filter *self_comp, |
1237 | bt_self_component_port_output *port) | |
958f7d11 PP |
1238 | { |
1239 | struct muxer_comp *muxer_comp = NULL; | |
d6e69534 | 1240 | struct muxer_msg_iter *muxer_msg_iter = NULL; |
4cdfc5e8 | 1241 | bt_self_message_iterator_status status = |
fdf0b89e | 1242 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 PP |
1243 | int ret; |
1244 | ||
d94d92ac | 1245 | muxer_comp = bt_self_component_get_data( |
707b7d35 | 1246 | bt_self_component_filter_as_self_component(self_comp)); |
f6ccaed9 | 1247 | BT_ASSERT(muxer_comp); |
d6e69534 PP |
1248 | BT_LOGD("Initializing muxer component's message iterator: " |
1249 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1250 | self_comp, muxer_comp, self_msg_iter); | |
a09c6b95 | 1251 | |
d6e69534 | 1252 | if (muxer_comp->initializing_muxer_msg_iter) { |
a09c6b95 | 1253 | /* |
089717de | 1254 | * Weird, unhandled situation detected: downstream |
d6e69534 PP |
1255 | * creates a muxer message iterator while creating |
1256 | * another muxer message iterator (same component). | |
a09c6b95 | 1257 | */ |
d6e69534 PP |
1258 | BT_LOGE("Recursive initialization of muxer component's message iterator: " |
1259 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1260 | self_comp, muxer_comp, self_msg_iter); | |
958f7d11 PP |
1261 | goto error; |
1262 | } | |
1263 | ||
d6e69534 PP |
1264 | muxer_comp->initializing_muxer_msg_iter = true; |
1265 | muxer_msg_iter = g_new0(struct muxer_msg_iter, 1); | |
1266 | if (!muxer_msg_iter) { | |
1267 | BT_LOGE_STR("Failed to allocate one muxer component's message iterator."); | |
ab11110e PP |
1268 | goto error; |
1269 | } | |
1270 | ||
d6e69534 PP |
1271 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
1272 | muxer_msg_iter->muxer_upstream_msg_iters = | |
958f7d11 | 1273 | g_ptr_array_new_with_free_func( |
d6e69534 PP |
1274 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); |
1275 | if (!muxer_msg_iter->muxer_upstream_msg_iters) { | |
fed72692 | 1276 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1277 | goto error; |
1278 | } | |
1279 | ||
a09c6b95 | 1280 | /* |
d6e69534 PP |
1281 | * Add the muxer message iterator to the component's array |
1282 | * of muxer message iterators here because | |
1283 | * muxer_msg_iter_init_newly_connected_ports() can cause | |
a09c6b95 | 1284 | * muxer_port_connected() to be called, which adds the newly |
d6e69534 | 1285 | * connected port to each muxer message iterator's list of |
a09c6b95 PP |
1286 | * newly connected ports. |
1287 | */ | |
d6e69534 PP |
1288 | g_ptr_array_add(muxer_comp->muxer_msg_iters, muxer_msg_iter); |
1289 | ret = muxer_msg_iter_init_newly_connected_ports(muxer_comp, | |
1290 | muxer_msg_iter); | |
a09c6b95 | 1291 | if (ret) { |
d6e69534 | 1292 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's message iterator: " |
fed72692 | 1293 | "comp-addr=%p, muxer-comp-addr=%p, " |
d6e69534 PP |
1294 | "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d", |
1295 | self_comp, muxer_comp, muxer_msg_iter, | |
1296 | self_msg_iter, ret); | |
a09c6b95 PP |
1297 | goto error; |
1298 | } | |
1299 | ||
d6e69534 PP |
1300 | bt_self_message_iterator_set_data(self_msg_iter, |
1301 | muxer_msg_iter); | |
1302 | BT_LOGD("Initialized muxer component's message iterator: " | |
1303 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1304 | "msg-iter-addr=%p", | |
1305 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1306 | goto end; |
1307 | ||
1308 | error: | |
d6e69534 PP |
1309 | if (g_ptr_array_index(muxer_comp->muxer_msg_iters, |
1310 | muxer_comp->muxer_msg_iters->len - 1) == muxer_msg_iter) { | |
1311 | g_ptr_array_remove_index(muxer_comp->muxer_msg_iters, | |
1312 | muxer_comp->muxer_msg_iters->len - 1); | |
a09c6b95 PP |
1313 | } |
1314 | ||
d6e69534 PP |
1315 | destroy_muxer_msg_iter(muxer_msg_iter); |
1316 | bt_self_message_iterator_set_data(self_msg_iter, | |
958f7d11 | 1317 | NULL); |
fdf0b89e | 1318 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1319 | |
1320 | end: | |
d6e69534 | 1321 | muxer_comp->initializing_muxer_msg_iter = false; |
958f7d11 PP |
1322 | return status; |
1323 | } | |
1324 | ||
1325 | BT_HIDDEN | |
d6e69534 PP |
1326 | void muxer_msg_iter_finalize( |
1327 | bt_self_message_iterator *self_msg_iter) | |
958f7d11 | 1328 | { |
d6e69534 PP |
1329 | struct muxer_msg_iter *muxer_msg_iter = |
1330 | bt_self_message_iterator_get_data(self_msg_iter); | |
b19ff26f | 1331 | bt_self_component *self_comp = NULL; |
958f7d11 PP |
1332 | struct muxer_comp *muxer_comp = NULL; |
1333 | ||
d6e69534 PP |
1334 | self_comp = bt_self_message_iterator_borrow_component( |
1335 | self_msg_iter); | |
d94d92ac PP |
1336 | BT_ASSERT(self_comp); |
1337 | muxer_comp = bt_self_component_get_data(self_comp); | |
d6e69534 PP |
1338 | BT_LOGD("Finalizing muxer component's message iterator: " |
1339 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1340 | "msg-iter-addr=%p", | |
1341 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1342 | |
1343 | if (muxer_comp) { | |
d6e69534 PP |
1344 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_msg_iters, |
1345 | muxer_msg_iter); | |
1346 | destroy_muxer_msg_iter(muxer_msg_iter); | |
958f7d11 | 1347 | } |
958f7d11 PP |
1348 | } |
1349 | ||
1350 | BT_HIDDEN | |
fdf0b89e | 1351 | bt_self_message_iterator_status muxer_msg_iter_next( |
d6e69534 PP |
1352 | bt_self_message_iterator *self_msg_iter, |
1353 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 | 1354 | uint64_t *count) |
958f7d11 | 1355 | { |
fdf0b89e | 1356 | bt_self_message_iterator_status status; |
d6e69534 PP |
1357 | struct muxer_msg_iter *muxer_msg_iter = |
1358 | bt_self_message_iterator_get_data(self_msg_iter); | |
b19ff26f | 1359 | bt_self_component *self_comp = NULL; |
958f7d11 | 1360 | struct muxer_comp *muxer_comp = NULL; |
958f7d11 | 1361 | |
d6e69534 PP |
1362 | BT_ASSERT(muxer_msg_iter); |
1363 | self_comp = bt_self_message_iterator_borrow_component( | |
1364 | self_msg_iter); | |
d94d92ac PP |
1365 | BT_ASSERT(self_comp); |
1366 | muxer_comp = bt_self_component_get_data(self_comp); | |
f6ccaed9 | 1367 | BT_ASSERT(muxer_comp); |
d6e69534 PP |
1368 | BT_LOGV("Muxer component's message iterator's \"next\" method called: " |
1369 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1370 | "msg-iter-addr=%p", | |
1371 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
fed72692 | 1372 | |
d6e69534 PP |
1373 | status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter, |
1374 | msgs, capacity, count); | |
d4393e08 | 1375 | if (status < 0) { |
d6e69534 PP |
1376 | BT_LOGE("Cannot get next message: " |
1377 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1378 | "msg-iter-addr=%p, status=%s", | |
1379 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter, | |
fdf0b89e | 1380 | bt_self_message_iterator_status_string(status)); |
fed72692 | 1381 | } else { |
d6e69534 | 1382 | BT_LOGV("Returning from muxer component's message iterator's \"next\" method: " |
d4393e08 | 1383 | "status=%s", |
fdf0b89e | 1384 | bt_self_message_iterator_status_string(status)); |
fed72692 | 1385 | } |
958f7d11 | 1386 | |
d4393e08 | 1387 | return status; |
958f7d11 PP |
1388 | } |
1389 | ||
1390 | BT_HIDDEN | |
4cdfc5e8 | 1391 | bt_self_component_status muxer_input_port_connected( |
b19ff26f PP |
1392 | bt_self_component_filter *self_comp, |
1393 | bt_self_component_port_input *self_port, | |
1394 | const bt_port_output *other_port) | |
958f7d11 | 1395 | { |
4cdfc5e8 | 1396 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
b19ff26f | 1397 | const bt_port *port = bt_self_component_port_as_port( |
707b7d35 | 1398 | bt_self_component_port_input_as_self_component_port( |
d94d92ac | 1399 | self_port)); |
958f7d11 | 1400 | struct muxer_comp *muxer_comp = |
d94d92ac | 1401 | bt_self_component_get_data( |
707b7d35 | 1402 | bt_self_component_filter_as_self_component( |
d94d92ac | 1403 | self_comp)); |
958f7d11 | 1404 | size_t i; |
06a2cb0d | 1405 | int ret; |
958f7d11 | 1406 | |
d94d92ac | 1407 | BT_ASSERT(port); |
f6ccaed9 | 1408 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1409 | BT_LOGD("Port connected: " |
1410 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1411 | "port-addr=%p, port-name=\"%s\", " | |
1412 | "other-port-addr=%p, other-port-name=\"%s\"", | |
d94d92ac PP |
1413 | self_comp, muxer_comp, self_port, bt_port_get_name(port), |
1414 | other_port, | |
0d72b8c3 | 1415 | bt_port_get_name(bt_port_output_as_port_const(other_port))); |
958f7d11 | 1416 | |
d6e69534 PP |
1417 | for (i = 0; i < muxer_comp->muxer_msg_iters->len; i++) { |
1418 | struct muxer_msg_iter *muxer_msg_iter = | |
1419 | g_ptr_array_index(muxer_comp->muxer_msg_iters, i); | |
958f7d11 PP |
1420 | |
1421 | /* | |
ab11110e | 1422 | * Add this port to the list of newly connected ports |
d6e69534 | 1423 | * for this muxer message iterator. We append at |
ab11110e | 1424 | * the end of this list while |
d6e69534 | 1425 | * muxer_msg_iter_handle_newly_connected_ports() |
ab11110e | 1426 | * removes the nodes from the beginning. |
958f7d11 | 1427 | */ |
d6e69534 | 1428 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1429 | g_list_append( |
d6e69534 | 1430 | muxer_msg_iter->newly_connected_self_ports, |
d94d92ac | 1431 | self_port); |
d6e69534 PP |
1432 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1433 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
fed72692 | 1434 | "port-addr=%p, port-name=\"%s\", " |
d6e69534 PP |
1435 | "muxer-msg-iter-addr=%p", self_port, |
1436 | bt_port_get_name(port), muxer_msg_iter); | |
d94d92ac | 1437 | status = BT_SELF_COMPONENT_STATUS_ERROR; |
958f7d11 PP |
1438 | goto end; |
1439 | } | |
fed72692 | 1440 | |
d6e69534 | 1441 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
fed72692 | 1442 | "port-addr=%p, port-name=\"%s\", " |
d6e69534 PP |
1443 | "muxer-msg-iter-addr=%p", self_port, |
1444 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1445 | } |
1446 | ||
06a2cb0d PP |
1447 | /* One less available input port */ |
1448 | muxer_comp->available_input_ports--; | |
d94d92ac | 1449 | ret = ensure_available_input_port(self_comp); |
06a2cb0d PP |
1450 | if (ret) { |
1451 | /* | |
1452 | * Only way to report an error later since this | |
1453 | * method does not return anything. | |
1454 | */ | |
fed72692 PP |
1455 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1456 | "muxer-comp-addr=%p, status=%s", | |
d94d92ac PP |
1457 | muxer_comp, bt_self_component_status_string(ret)); |
1458 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
06a2cb0d PP |
1459 | goto end; |
1460 | } | |
1461 | ||
958f7d11 | 1462 | end: |
bf55043c | 1463 | return status; |
958f7d11 | 1464 | } |