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> |
c319d0ae | 29 | #include <babeltrace/value-internal.h> |
fed72692 | 30 | #include <babeltrace/graph/component-internal.h> |
c14831f0 | 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> |
351704a7 | 38 | #include <babeltrace/common-internal.h> |
0fbb9a9f | 39 | #include <stdlib.h> |
282c8cd0 | 40 | #include <string.h> |
958f7d11 | 41 | |
cef3fd3e 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 | |
c14831f0 | 49 | * bt_self_message_iterator * |
90157d89 PP |
50 | * (weak refs) |
51 | */ | |
c14831f0 | 52 | GPtrArray *muxer_msg_iters; |
958f7d11 PP |
53 | |
54 | /* Weak ref */ | |
b9879703 | 55 | bt_self_component_filter *self_comp; |
d27a81b2 | 56 | |
958f7d11 PP |
57 | unsigned int next_port_num; |
58 | size_t available_input_ports; | |
c14831f0 | 59 | bool initializing_muxer_msg_iter; |
282c8cd0 | 60 | bool assume_absolute_clock_classes; |
958f7d11 PP |
61 | }; |
62 | ||
c14831f0 | 63 | struct muxer_upstream_msg_iter { |
ab11110e | 64 | /* Owned by this, NULL if ended */ |
c14831f0 | 65 | bt_self_component_port_input_message_iterator *msg_iter; |
958f7d11 | 66 | |
c14831f0 PP |
67 | /* Contains `const bt_message *`, owned by this */ |
68 | GQueue *msgs; | |
958f7d11 PP |
69 | }; |
70 | ||
c14831f0 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 | ||
c14831f0 | 78 | struct muxer_msg_iter { |
ab11110e | 79 | /* |
c14831f0 | 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 | |
c14831f0 | 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 | */ | |
c14831f0 | 87 | GPtrArray *muxer_upstream_msg_iters; |
958f7d11 | 88 | |
ab11110e | 89 | /* |
06a2cb0d | 90 | * List of "recently" connected input ports (weak) to |
c14831f0 | 91 | * handle by this muxer message iterator. |
ab11110e | 92 | * muxer_port_connected() adds entries to this list, and the |
c14831f0 | 93 | * entries are removed when a message iterator is created |
ab11110e | 94 | * on the port's connection and put into |
c14831f0 PP |
95 | * muxer_upstream_msg_iters above by |
96 | * muxer_msg_iter_handle_newly_connected_ports(). | |
ab11110e | 97 | */ |
d27a81b2 | 98 | GList *newly_connected_self_ports; |
958f7d11 | 99 | |
c14831f0 | 100 | /* Last time returned in a message */ |
958f7d11 | 101 | int64_t last_returned_ts_ns; |
282c8cd0 PP |
102 | |
103 | /* Clock class expectation state */ | |
c14831f0 | 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 | |
c14831f0 | 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 |
c14831f0 PP |
115 | void destroy_muxer_upstream_msg_iter( |
116 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) | |
ab11110e | 117 | { |
c14831f0 | 118 | if (!muxer_upstream_msg_iter) { |
ab11110e PP |
119 | return; |
120 | } | |
121 | ||
c14831f0 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 | |
c14831f0 PP |
129 | if (muxer_upstream_msg_iter->msgs) { |
130 | const bt_message *msg; | |
d4393e08 | 131 | |
c14831f0 PP |
132 | while ((msg = g_queue_pop_head( |
133 | muxer_upstream_msg_iter->msgs))) { | |
134 | bt_message_put_ref(msg); | |
d4393e08 PP |
135 | } |
136 | ||
c14831f0 | 137 | g_queue_free(muxer_upstream_msg_iter->msgs); |
d4393e08 PP |
138 | } |
139 | ||
c14831f0 | 140 | g_free(muxer_upstream_msg_iter); |
ab11110e PP |
141 | } |
142 | ||
958f7d11 | 143 | static |
c14831f0 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 | { |
c14831f0 PP |
148 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = |
149 | g_new0(struct muxer_upstream_msg_iter, 1); | |
958f7d11 | 150 | |
c14831f0 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 | ||
c14831f0 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 | ||
c14831f0 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: | |
c14831f0 | 172 | return muxer_upstream_msg_iter; |
958f7d11 PP |
173 | } |
174 | ||
958f7d11 | 175 | static |
b7c5b62e | 176 | bt_self_component_status ensure_available_input_port( |
b9879703 | 177 | bt_self_component_filter *self_comp) |
958f7d11 | 178 | { |
d27a81b2 | 179 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
27c0f01f | 180 | bt_self_component_filter_as_self_component(self_comp)); |
b7c5b62e | 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."); |
d27a81b2 | 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); | |
d27a81b2 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", | |
d27a81b2 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", | |
d27a81b2 | 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 |
b7c5b62e | 222 | bt_self_component_status create_output_port( |
b9879703 | 223 | bt_self_component_filter *self_comp) |
958f7d11 | 224 | { |
d27a81b2 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, " |
c14831f0 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 | |
c14831f0 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 |
b9879703 | 249 | bt_value *get_default_params(void) |
65ee897d | 250 | { |
b9879703 | 251 | bt_value *params; |
65ee897d PP |
252 | int ret; |
253 | ||
82fa4539 | 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 | ||
82fa4539 | 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: | |
317e35ec | 270 | BT_VALUE_PUT_REF_AND_RESET(params); |
65ee897d PP |
271 | |
272 | end: | |
273 | return params; | |
274 | } | |
275 | ||
276 | static | |
82fa4539 | 277 | int configure_muxer_comp(struct muxer_comp *muxer_comp, |
b9879703 | 278 | const bt_value *params) |
65ee897d | 279 | { |
b9879703 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 | ||
6e887d8f | 293 | ret = bt_value_map_extend(default_params, params, &real_params); |
605c62ba | 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 | ||
82fa4539 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, | |
351704a7 | 309 | bt_common_value_type_string( |
fed72692 | 310 | bt_value_get_type(assume_absolute_clock_classes))); |
65ee897d PP |
311 | goto error; |
312 | } | |
313 | ||
605c62ba | 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: | |
317e35ec 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 |
b7c5b62e | 331 | bt_self_component_status muxer_init( |
b9879703 | 332 | bt_self_component_filter *self_comp, |
cef3fd3e FD |
333 | const bt_value *params, void *init_data) |
334 | ||
335 | ||
958f7d11 PP |
336 | { |
337 | int ret; | |
b7c5b62e | 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: " |
d27a81b2 | 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 | ||
c14831f0 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 | ||
d27a81b2 PP |
363 | muxer_comp->self_comp = self_comp; |
364 | bt_self_component_set_data( | |
27c0f01f | 365 | bt_self_component_filter_as_self_component(self_comp), |
d27a81b2 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, | |
d27a81b2 | 372 | bt_self_component_status_string(status)); |
958f7d11 PP |
373 | goto error; |
374 | } | |
375 | ||
d27a81b2 | 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, | |
d27a81b2 | 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", | |
d27a81b2 | 387 | self_comp, params, muxer_comp); |
fed72692 | 388 | |
958f7d11 PP |
389 | goto end; |
390 | ||
391 | error: | |
392 | destroy_muxer_comp(muxer_comp); | |
d27a81b2 | 393 | bt_self_component_set_data( |
27c0f01f | 394 | bt_self_component_filter_as_self_component(self_comp), |
d27a81b2 | 395 | NULL); |
147337a3 | 396 | |
d27a81b2 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 | |
b9879703 | 406 | void muxer_finalize(bt_self_component_filter *self_comp) |
958f7d11 | 407 | { |
d27a81b2 | 408 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
27c0f01f | 409 | bt_self_component_filter_as_self_component(self_comp)); |
958f7d11 | 410 | |
fed72692 | 411 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
d27a81b2 | 412 | self_comp); |
958f7d11 PP |
413 | destroy_muxer_comp(muxer_comp); |
414 | } | |
415 | ||
416 | static | |
c14831f0 PP |
417 | bt_self_component_port_input_message_iterator * |
418 | create_msg_iter_on_input_port( | |
b9879703 | 419 | bt_self_component_port_input *self_port, int *ret) |
958f7d11 | 420 | { |
b9879703 | 421 | const bt_port *port = bt_self_component_port_as_port( |
27c0f01f | 422 | bt_self_component_port_input_as_self_component_port( |
d27a81b2 | 423 | self_port)); |
c14831f0 | 424 | bt_self_component_port_input_message_iterator *msg_iter = |
d27a81b2 | 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 |
c14831f0 | 433 | // returned message by the muxer message |
ab11110e | 434 | // iterator which creates it. |
c14831f0 | 435 | msg_iter = bt_self_component_port_input_message_iterator_create( |
d27a81b2 | 436 | self_port); |
c14831f0 PP |
437 | if (!msg_iter) { |
438 | BT_LOGE("Cannot create upstream message iterator on input port: " | |
d27a81b2 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 | ||
c14831f0 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: |
c14831f0 | 450 | return msg_iter; |
958f7d11 PP |
451 | } |
452 | ||
ab11110e | 453 | static |
cef3fd3e | 454 | bt_self_message_iterator_status muxer_upstream_msg_iter_next( |
c14831f0 | 455 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) |
ab11110e | 456 | { |
cef3fd3e FD |
457 | bt_self_message_iterator_status status; |
458 | bt_message_iterator_status input_port_iter_status; | |
c14831f0 | 459 | bt_message_array_const msgs; |
d4393e08 PP |
460 | uint64_t i; |
461 | uint64_t count; | |
ab11110e | 462 | |
c14831f0 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); | |
cef3fd3e | 467 | input_port_iter_status = bt_self_component_port_input_message_iterator_next( |
c14831f0 PP |
468 | muxer_upstream_msg_iter->msg_iter, &msgs, &count); |
469 | BT_LOGV("Upstream message iterator's \"next\" method returned: " | |
cef3fd3e | 470 | "status=%s", bt_message_iterator_status_string(input_port_iter_status)); |
ab11110e | 471 | |
cef3fd3e | 472 | switch (input_port_iter_status) { |
c14831f0 | 473 | case BT_MESSAGE_ITERATOR_STATUS_OK: |
089717de | 474 | /* |
c14831f0 | 475 | * Message iterator's current message is |
d4393e08 | 476 | * valid: it must be considered for muxing operations. |
089717de | 477 | */ |
c14831f0 | 478 | BT_LOGV_STR("Validated upstream message iterator wrapper."); |
d4393e08 PP |
479 | BT_ASSERT(count > 0); |
480 | ||
c14831f0 | 481 | /* Move messages to our queue */ |
d4393e08 PP |
482 | for (i = 0; i < count; i++) { |
483 | /* | |
484 | * Push to tail in order; other side | |
c14831f0 | 485 | * (muxer_msg_iter_do_next_one()) consumes |
d4393e08 PP |
486 | * from the head first. |
487 | */ | |
c14831f0 PP |
488 | g_queue_push_tail(muxer_upstream_msg_iter->msgs, |
489 | (void *) msgs[i]); | |
d4393e08 | 490 | } |
cef3fd3e | 491 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
ab11110e | 492 | break; |
c14831f0 | 493 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: |
089717de | 494 | /* |
c14831f0 | 495 | * Message iterator's current message is not |
089717de | 496 | * valid anymore. Return |
c14831f0 | 497 | * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately. |
089717de | 498 | */ |
cef3fd3e | 499 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN; |
ab11110e | 500 | break; |
c14831f0 | 501 | case BT_MESSAGE_ITERATOR_STATUS_END: /* Fall-through. */ |
ab11110e | 502 | /* |
c14831f0 | 503 | * Message iterator reached the end: release it. It |
ab11110e | 504 | * won't be considered again to find the youngest |
c14831f0 | 505 | * message. |
ab11110e | 506 | */ |
c14831f0 | 507 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(muxer_upstream_msg_iter->msg_iter); |
cef3fd3e | 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: " |
cef3fd3e 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 | |
c14831f0 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: " |
c14831f0 | 528 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
fed72692 | 529 | |
ab11110e | 530 | /* |
c14831f0 | 531 | * Here we create one upstream message iterator for each |
d4393e08 | 532 | * newly connected port. We do NOT perform an initial "next" on |
c14831f0 | 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) { | |
c14831f0 | 539 | GList *node = muxer_msg_iter->newly_connected_self_ports; |
b9879703 PP |
540 | bt_self_component_port_input *self_port; |
541 | const bt_port *port; | |
c14831f0 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 | ||
d27a81b2 | 550 | self_port = node->data; |
27c0f01f PP |
551 | port = bt_self_component_port_as_port( |
552 | bt_self_component_port_input_as_self_component_port( | |
d27a81b2 | 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 | |
c14831f0 | 560 | * message iterator on its (non-existing) |
089717de | 561 | * connection in this case. |
ab11110e PP |
562 | */ |
563 | goto remove_node; | |
564 | } | |
565 | ||
c14831f0 | 566 | upstream_msg_iter = create_msg_iter_on_input_port( |
d27a81b2 | 567 | self_port, &ret); |
ab11110e | 568 | if (ret) { |
c14831f0 PP |
569 | /* create_msg_iter_on_input_port() logs errors */ |
570 | BT_ASSERT(!upstream_msg_iter); | |
ab11110e PP |
571 | goto error; |
572 | } | |
573 | ||
c14831f0 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 | /* |
c14831f0 | 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: |
c14831f0 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( |
c14831f0 | 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 |
c14831f0 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 | { | |
b9879703 | 611 | const bt_clock_class *clock_class = NULL; |
b1824349 | 612 | const bt_clock_snapshot *clock_snapshot = NULL; |
958f7d11 | 613 | int ret = 0; |
282c8cd0 | 614 | const unsigned char *cc_uuid; |
fed72692 | 615 | const char *cc_name; |
b7c5b62e | 616 | bt_clock_snapshot_state cs_state = BT_CLOCK_SNAPSHOT_STATE_KNOWN; |
958f7d11 | 617 | |
c14831f0 | 618 | BT_ASSERT(msg); |
f6ccaed9 | 619 | BT_ASSERT(ts_ns); |
958f7d11 | 620 | |
c14831f0 PP |
621 | BT_LOGV("Getting message's timestamp: " |
622 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
fed72692 | 623 | "last-returned-ts=%" PRId64, |
c14831f0 | 624 | muxer_msg_iter, msg, last_returned_ts_ns); |
fed72692 | 625 | |
c14831f0 PP |
626 | switch (bt_message_get_type(msg)) { |
627 | case BT_MESSAGE_TYPE_EVENT: | |
aae87991 PP |
628 | cs_state = bt_message_event_borrow_default_clock_snapshot_const( |
629 | msg, &clock_snapshot); | |
958f7d11 PP |
630 | break; |
631 | ||
c14831f0 | 632 | case BT_MESSAGE_TYPE_INACTIVITY: |
600e0979 | 633 | cs_state = |
b1824349 | 634 | bt_message_inactivity_borrow_default_clock_snapshot_const( |
600e0979 | 635 | msg, &clock_snapshot); |
958f7d11 PP |
636 | break; |
637 | default: | |
c14831f0 PP |
638 | /* All the other messages have a higher priority */ |
639 | BT_LOGV_STR("Message has no timestamp: using the last returned timestamp."); | |
958f7d11 PP |
640 | *ts_ns = last_returned_ts_ns; |
641 | goto end; | |
642 | } | |
643 | ||
600e0979 | 644 | if (cs_state != BT_CLOCK_SNAPSHOT_STATE_KNOWN) { |
b1824349 | 645 | BT_LOGE_STR("Unsupported unknown clock snapshot."); |
61f59358 PP |
646 | ret = -1; |
647 | goto end; | |
648 | } | |
649 | ||
958f7d11 | 650 | /* |
b1824349 | 651 | * If the clock snapshot is missing, then we consider that this |
c14831f0 | 652 | * message has no time. In this case it's always the |
e22b45d0 | 653 | * youngest. |
958f7d11 | 654 | */ |
b1824349 PP |
655 | if (!clock_snapshot) { |
656 | BT_LOGV_STR("Message's default clock snapshot is missing: " | |
fed72692 | 657 | "using the last returned timestamp."); |
958f7d11 PP |
658 | *ts_ns = last_returned_ts_ns; |
659 | goto end; | |
660 | } | |
661 | ||
b1824349 | 662 | clock_class = bt_clock_snapshot_borrow_clock_class_const(clock_snapshot); |
e22b45d0 | 663 | BT_ASSERT(clock_class); |
50842bdc PP |
664 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
665 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 | 666 | |
c14831f0 PP |
667 | if (muxer_msg_iter->clock_class_expectation == |
668 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
282c8cd0 PP |
669 | /* |
670 | * This is the first clock class that this muxer | |
c14831f0 | 671 | * message iterator encounters. Its properties |
282c8cd0 PP |
672 | * determine what to expect for the whole lifetime of |
673 | * the iterator without a true | |
674 | * `assume-absolute-clock-classes` parameter. | |
675 | */ | |
50842bdc | 676 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 | 677 | /* Expect absolute clock classes */ |
c14831f0 PP |
678 | muxer_msg_iter->clock_class_expectation = |
679 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
282c8cd0 PP |
680 | } else { |
681 | if (cc_uuid) { | |
682 | /* | |
683 | * Expect non-absolute clock classes | |
684 | * with a specific UUID. | |
685 | */ | |
c14831f0 PP |
686 | muxer_msg_iter->clock_class_expectation = |
687 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
688 | memcpy(muxer_msg_iter->expected_clock_class_uuid, | |
282c8cd0 PP |
689 | cc_uuid, BABELTRACE_UUID_LEN); |
690 | } else { | |
691 | /* | |
692 | * Expect non-absolute clock classes | |
693 | * with no UUID. | |
694 | */ | |
c14831f0 PP |
695 | muxer_msg_iter->clock_class_expectation = |
696 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
282c8cd0 PP |
697 | } |
698 | } | |
699 | } | |
700 | ||
701 | if (!muxer_comp->assume_absolute_clock_classes) { | |
c14831f0 PP |
702 | switch (muxer_msg_iter->clock_class_expectation) { |
703 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
50842bdc | 704 | if (!bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
705 | BT_LOGE("Expecting an absolute clock class, " |
706 | "but got a non-absolute one: " | |
707 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
708 | clock_class, cc_name); | |
282c8cd0 PP |
709 | goto error; |
710 | } | |
711 | break; | |
c14831f0 | 712 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: |
50842bdc | 713 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
714 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
715 | "but got an absolute one: " | |
716 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
717 | clock_class, cc_name); | |
282c8cd0 PP |
718 | goto error; |
719 | } | |
720 | ||
721 | if (cc_uuid) { | |
fed72692 PP |
722 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
723 | "but got one with a UUID: " | |
724 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
725 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
726 | clock_class, cc_name, | |
727 | (unsigned int) cc_uuid[0], | |
728 | (unsigned int) cc_uuid[1], | |
729 | (unsigned int) cc_uuid[2], | |
730 | (unsigned int) cc_uuid[3], | |
731 | (unsigned int) cc_uuid[4], | |
732 | (unsigned int) cc_uuid[5], | |
733 | (unsigned int) cc_uuid[6], | |
734 | (unsigned int) cc_uuid[7], | |
735 | (unsigned int) cc_uuid[8], | |
736 | (unsigned int) cc_uuid[9], | |
737 | (unsigned int) cc_uuid[10], | |
738 | (unsigned int) cc_uuid[11], | |
739 | (unsigned int) cc_uuid[12], | |
740 | (unsigned int) cc_uuid[13], | |
741 | (unsigned int) cc_uuid[14], | |
742 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
743 | goto error; |
744 | } | |
745 | break; | |
c14831f0 | 746 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: |
50842bdc | 747 | if (bt_clock_class_is_absolute(clock_class)) { |
fed72692 PP |
748 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
749 | "but got an absolute one: " | |
750 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
751 | clock_class, cc_name); | |
282c8cd0 PP |
752 | goto error; |
753 | } | |
754 | ||
755 | if (!cc_uuid) { | |
fed72692 PP |
756 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
757 | "but got one with no UUID: " | |
758 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
759 | clock_class, cc_name); | |
282c8cd0 PP |
760 | goto error; |
761 | } | |
762 | ||
c14831f0 | 763 | if (memcmp(muxer_msg_iter->expected_clock_class_uuid, |
282c8cd0 | 764 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { |
fed72692 PP |
765 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
766 | "but got one with different UUID: " | |
767 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
768 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
769 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
770 | clock_class, cc_name, | |
c14831f0 PP |
771 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[0], |
772 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[1], | |
773 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[2], | |
774 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[3], | |
775 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[4], | |
776 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[5], | |
777 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[6], | |
778 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[7], | |
779 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[8], | |
780 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[9], | |
781 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[10], | |
782 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[11], | |
783 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[12], | |
784 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[13], | |
785 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[14], | |
786 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[15], | |
fed72692 PP |
787 | (unsigned int) cc_uuid[0], |
788 | (unsigned int) cc_uuid[1], | |
789 | (unsigned int) cc_uuid[2], | |
790 | (unsigned int) cc_uuid[3], | |
791 | (unsigned int) cc_uuid[4], | |
792 | (unsigned int) cc_uuid[5], | |
793 | (unsigned int) cc_uuid[6], | |
794 | (unsigned int) cc_uuid[7], | |
795 | (unsigned int) cc_uuid[8], | |
796 | (unsigned int) cc_uuid[9], | |
797 | (unsigned int) cc_uuid[10], | |
798 | (unsigned int) cc_uuid[11], | |
799 | (unsigned int) cc_uuid[12], | |
800 | (unsigned int) cc_uuid[13], | |
801 | (unsigned int) cc_uuid[14], | |
802 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
803 | goto error; |
804 | } | |
805 | break; | |
806 | default: | |
807 | /* Unexpected */ | |
fed72692 PP |
808 | BT_LOGF("Unexpected clock class expectation: " |
809 | "expectation-code=%d", | |
c14831f0 | 810 | muxer_msg_iter->clock_class_expectation); |
282c8cd0 PP |
811 | abort(); |
812 | } | |
958f7d11 PP |
813 | } |
814 | ||
b1824349 | 815 | ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns); |
958f7d11 | 816 | if (ret) { |
b1824349 PP |
817 | BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: " |
818 | "clock-snapshot-addr=%p", clock_snapshot); | |
958f7d11 PP |
819 | goto error; |
820 | } | |
821 | ||
822 | goto end; | |
823 | ||
824 | error: | |
825 | ret = -1; | |
826 | ||
827 | end: | |
fed72692 | 828 | if (ret == 0) { |
c14831f0 PP |
829 | BT_LOGV("Found message's timestamp: " |
830 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
fed72692 | 831 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, |
c14831f0 | 832 | muxer_msg_iter, msg, last_returned_ts_ns, |
fed72692 PP |
833 | *ts_ns); |
834 | } | |
835 | ||
958f7d11 PP |
836 | return ret; |
837 | } | |
838 | ||
ab11110e | 839 | /* |
c14831f0 PP |
840 | * This function finds the youngest available message amongst the |
841 | * non-ended upstream message iterators and returns the upstream | |
842 | * message iterator which has it, or | |
843 | * BT_MESSAGE_ITERATOR_STATUS_END if there's no available | |
844 | * message. | |
ab11110e PP |
845 | * |
846 | * This function does NOT: | |
847 | * | |
c14831f0 | 848 | * * Update any upstream message iterator. |
ab11110e | 849 | * * Check for newly connected ports. |
c14831f0 | 850 | * * Check the upstream message iterators to retry. |
ab11110e | 851 | * |
c14831f0 PP |
852 | * On sucess, this function sets *muxer_upstream_msg_iter to the |
853 | * upstream message iterator of which the current message is | |
ab11110e PP |
854 | * the youngest, and sets *ts_ns to its time. |
855 | */ | |
958f7d11 | 856 | static |
cef3fd3e | 857 | bt_self_message_iterator_status |
c14831f0 | 858 | muxer_msg_iter_youngest_upstream_msg_iter( |
958f7d11 | 859 | struct muxer_comp *muxer_comp, |
c14831f0 PP |
860 | struct muxer_msg_iter *muxer_msg_iter, |
861 | struct muxer_upstream_msg_iter **muxer_upstream_msg_iter, | |
958f7d11 PP |
862 | int64_t *ts_ns) |
863 | { | |
864 | size_t i; | |
865 | int ret; | |
866 | int64_t youngest_ts_ns = INT64_MAX; | |
cef3fd3e FD |
867 | bt_self_message_iterator_status status = |
868 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
958f7d11 | 869 | |
f6ccaed9 | 870 | BT_ASSERT(muxer_comp); |
c14831f0 PP |
871 | BT_ASSERT(muxer_msg_iter); |
872 | BT_ASSERT(muxer_upstream_msg_iter); | |
873 | *muxer_upstream_msg_iter = NULL; | |
874 | ||
875 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { | |
876 | const bt_message *msg; | |
877 | struct muxer_upstream_msg_iter *cur_muxer_upstream_msg_iter = | |
878 | g_ptr_array_index(muxer_msg_iter->muxer_upstream_msg_iters, i); | |
879 | int64_t msg_ts_ns; | |
880 | ||
881 | if (!cur_muxer_upstream_msg_iter->msg_iter) { | |
882 | /* This upstream message iterator is ended */ | |
883 | BT_LOGV("Skipping ended upstream message iterator: " | |
884 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
885 | cur_muxer_upstream_msg_iter); | |
958f7d11 PP |
886 | continue; |
887 | } | |
888 | ||
c14831f0 PP |
889 | BT_ASSERT(cur_muxer_upstream_msg_iter->msgs->length > 0); |
890 | msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs); | |
891 | BT_ASSERT(msg); | |
892 | ret = get_msg_ts_ns(muxer_comp, muxer_msg_iter, msg, | |
893 | muxer_msg_iter->last_returned_ts_ns, &msg_ts_ns); | |
958f7d11 | 894 | if (ret) { |
c14831f0 PP |
895 | /* get_msg_ts_ns() logs errors */ |
896 | *muxer_upstream_msg_iter = NULL; | |
cef3fd3e | 897 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
898 | goto end; |
899 | } | |
900 | ||
c14831f0 PP |
901 | if (msg_ts_ns <= youngest_ts_ns) { |
902 | *muxer_upstream_msg_iter = | |
903 | cur_muxer_upstream_msg_iter; | |
904 | youngest_ts_ns = msg_ts_ns; | |
958f7d11 PP |
905 | *ts_ns = youngest_ts_ns; |
906 | } | |
907 | } | |
908 | ||
c14831f0 | 909 | if (!*muxer_upstream_msg_iter) { |
cef3fd3e | 910 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; |
958f7d11 PP |
911 | *ts_ns = INT64_MIN; |
912 | } | |
913 | ||
914 | end: | |
915 | return status; | |
916 | } | |
917 | ||
918 | static | |
cef3fd3e | 919 | bt_self_message_iterator_status validate_muxer_upstream_msg_iter( |
c14831f0 | 920 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) |
958f7d11 | 921 | { |
cef3fd3e FD |
922 | bt_self_message_iterator_status status = |
923 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
958f7d11 | 924 | |
c14831f0 PP |
925 | BT_LOGV("Validating muxer's upstream message iterator wrapper: " |
926 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
927 | muxer_upstream_msg_iter); | |
fed72692 | 928 | |
c14831f0 PP |
929 | if (muxer_upstream_msg_iter->msgs->length > 0 || |
930 | !muxer_upstream_msg_iter->msg_iter) { | |
d4393e08 | 931 | BT_LOGV("Already valid or not considered: " |
c14831f0 PP |
932 | "queue-len=%u, upstream-msg-iter-addr=%p", |
933 | muxer_upstream_msg_iter->msgs->length, | |
934 | muxer_upstream_msg_iter->msg_iter); | |
ab11110e PP |
935 | goto end; |
936 | } | |
937 | ||
c14831f0 PP |
938 | /* muxer_upstream_msg_iter_next() logs details/errors */ |
939 | status = muxer_upstream_msg_iter_next(muxer_upstream_msg_iter); | |
089717de PP |
940 | |
941 | end: | |
942 | return status; | |
943 | } | |
944 | ||
945 | static | |
cef3fd3e | 946 | bt_self_message_iterator_status validate_muxer_upstream_msg_iters( |
c14831f0 | 947 | struct muxer_msg_iter *muxer_msg_iter) |
089717de | 948 | { |
cef3fd3e FD |
949 | bt_self_message_iterator_status status = |
950 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
089717de PP |
951 | size_t i; |
952 | ||
c14831f0 PP |
953 | BT_LOGV("Validating muxer's upstream message iterator wrappers: " |
954 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
fed72692 | 955 | |
c14831f0 PP |
956 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { |
957 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = | |
089717de | 958 | g_ptr_array_index( |
c14831f0 | 959 | muxer_msg_iter->muxer_upstream_msg_iters, |
089717de PP |
960 | i); |
961 | ||
c14831f0 PP |
962 | status = validate_muxer_upstream_msg_iter( |
963 | muxer_upstream_msg_iter); | |
cef3fd3e | 964 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
fed72692 | 965 | if (status < 0) { |
c14831f0 PP |
966 | BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: " |
967 | "muxer-msg-iter-addr=%p, " | |
968 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
969 | muxer_msg_iter, | |
970 | muxer_upstream_msg_iter); | |
fed72692 | 971 | } else { |
c14831f0 PP |
972 | BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: " |
973 | "muxer-msg-iter-addr=%p, " | |
974 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
975 | muxer_msg_iter, | |
976 | muxer_upstream_msg_iter); | |
fed72692 PP |
977 | } |
978 | ||
089717de PP |
979 | goto end; |
980 | } | |
744ba28b PP |
981 | |
982 | /* | |
c14831f0 | 983 | * Remove this muxer upstream message iterator |
744ba28b PP |
984 | * if it's ended or canceled. |
985 | */ | |
c14831f0 | 986 | if (!muxer_upstream_msg_iter->msg_iter) { |
744ba28b PP |
987 | /* |
988 | * Use g_ptr_array_remove_fast() because the | |
989 | * order of those elements is not important. | |
990 | */ | |
c14831f0 PP |
991 | BT_LOGV("Removing muxer's upstream message iterator wrapper: ended or canceled: " |
992 | "muxer-msg-iter-addr=%p, " | |
993 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
994 | muxer_msg_iter, muxer_upstream_msg_iter); | |
744ba28b | 995 | g_ptr_array_remove_index_fast( |
c14831f0 | 996 | muxer_msg_iter->muxer_upstream_msg_iters, |
744ba28b PP |
997 | i); |
998 | i--; | |
999 | } | |
089717de PP |
1000 | } |
1001 | ||
1002 | end: | |
1003 | return status; | |
1004 | } | |
1005 | ||
d4393e08 | 1006 | static inline |
cef3fd3e | 1007 | bt_self_message_iterator_status muxer_msg_iter_do_next_one( |
089717de | 1008 | struct muxer_comp *muxer_comp, |
c14831f0 PP |
1009 | struct muxer_msg_iter *muxer_msg_iter, |
1010 | const bt_message **msg) | |
089717de | 1011 | { |
cef3fd3e FD |
1012 | bt_self_message_iterator_status status = |
1013 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
c14831f0 | 1014 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL; |
089717de PP |
1015 | int64_t next_return_ts; |
1016 | ||
1017 | while (true) { | |
c14831f0 PP |
1018 | int ret = muxer_msg_iter_handle_newly_connected_ports( |
1019 | muxer_msg_iter); | |
089717de PP |
1020 | |
1021 | if (ret) { | |
c14831f0 PP |
1022 | BT_LOGE("Cannot handle newly connected input ports for muxer's message iterator: " |
1023 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
fed72692 | 1024 | "ret=%d", |
c14831f0 | 1025 | muxer_comp, muxer_msg_iter, ret); |
cef3fd3e | 1026 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
089717de PP |
1027 | goto end; |
1028 | } | |
1029 | ||
c14831f0 | 1030 | status = validate_muxer_upstream_msg_iters(muxer_msg_iter); |
cef3fd3e | 1031 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
c14831f0 | 1032 | /* validate_muxer_upstream_msg_iters() logs details */ |
089717de PP |
1033 | goto end; |
1034 | } | |
ab11110e | 1035 | |
958f7d11 | 1036 | /* |
089717de | 1037 | * At this point, we know that all the existing upstream |
c14831f0 | 1038 | * message iterators are valid. However the |
089717de | 1039 | * operations to validate them (during |
c14831f0 | 1040 | * validate_muxer_upstream_msg_iters()) may have |
089717de PP |
1041 | * connected new ports. If no ports were connected |
1042 | * during this operation, exit the loop. | |
958f7d11 | 1043 | */ |
c14831f0 PP |
1044 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1045 | BT_LOGV("Not breaking this loop: muxer's message iterator still has newly connected input ports to handle: " | |
fed72692 | 1046 | "muxer-comp-addr=%p", muxer_comp); |
089717de PP |
1047 | break; |
1048 | } | |
958f7d11 PP |
1049 | } |
1050 | ||
c14831f0 | 1051 | BT_ASSERT(!muxer_msg_iter->newly_connected_self_ports); |
089717de | 1052 | |
958f7d11 | 1053 | /* |
089717de | 1054 | * At this point we know that all the existing upstream |
c14831f0 PP |
1055 | * message iterators are valid. We can find the one, |
1056 | * amongst those, of which the current message is the | |
089717de | 1057 | * youngest. |
958f7d11 | 1058 | */ |
c14831f0 PP |
1059 | status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp, |
1060 | muxer_msg_iter, &muxer_upstream_msg_iter, | |
089717de | 1061 | &next_return_ts); |
cef3fd3e | 1062 | if (status < 0 || status == BT_SELF_MESSAGE_ITERATOR_STATUS_END) { |
d4393e08 | 1063 | if (status < 0) { |
c14831f0 | 1064 | BT_LOGE("Cannot find the youngest upstream message iterator wrapper: " |
fed72692 | 1065 | "status=%s", |
cef3fd3e | 1066 | bt_self_message_iterator_status_string(status)); |
fed72692 | 1067 | } else { |
c14831f0 | 1068 | BT_LOGV("Cannot find the youngest upstream message iterator wrapper: " |
fed72692 | 1069 | "status=%s", |
cef3fd3e | 1070 | bt_self_message_iterator_status_string(status)); |
fed72692 PP |
1071 | } |
1072 | ||
958f7d11 PP |
1073 | goto end; |
1074 | } | |
1075 | ||
c14831f0 PP |
1076 | if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) { |
1077 | BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: " | |
1078 | "muxer-msg-iter-addr=%p, ts=%" PRId64 ", " | |
fed72692 | 1079 | "last-returned-ts=%" PRId64, |
c14831f0 PP |
1080 | muxer_msg_iter, next_return_ts, |
1081 | muxer_msg_iter->last_returned_ts_ns); | |
cef3fd3e | 1082 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1083 | goto end; |
1084 | } | |
1085 | ||
c14831f0 PP |
1086 | BT_LOGV("Found youngest upstream message iterator wrapper: " |
1087 | "muxer-msg-iter-addr=%p, " | |
1088 | "muxer-upstream-msg-iter-wrap-addr=%p, " | |
fed72692 | 1089 | "ts=%" PRId64, |
c14831f0 | 1090 | muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts); |
cef3fd3e | 1091 | BT_ASSERT(status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK); |
c14831f0 | 1092 | BT_ASSERT(muxer_upstream_msg_iter); |
958f7d11 PP |
1093 | |
1094 | /* | |
d4393e08 | 1095 | * Consume from the queue's head: other side |
c14831f0 | 1096 | * (muxer_upstream_msg_iter_next()) writes to the tail. |
958f7d11 | 1097 | */ |
c14831f0 PP |
1098 | *msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs); |
1099 | BT_ASSERT(*msg); | |
1100 | muxer_msg_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1101 | |
1102 | end: | |
d4393e08 PP |
1103 | return status; |
1104 | } | |
1105 | ||
1106 | static | |
cef3fd3e | 1107 | bt_self_message_iterator_status muxer_msg_iter_do_next( |
d4393e08 | 1108 | struct muxer_comp *muxer_comp, |
c14831f0 PP |
1109 | struct muxer_msg_iter *muxer_msg_iter, |
1110 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
1111 | uint64_t *count) |
1112 | { | |
cef3fd3e FD |
1113 | bt_self_message_iterator_status status = |
1114 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
d4393e08 PP |
1115 | uint64_t i = 0; |
1116 | ||
0d508772 | 1117 | while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
c14831f0 PP |
1118 | status = muxer_msg_iter_do_next_one(muxer_comp, |
1119 | muxer_msg_iter, &msgs[i]); | |
0d508772 | 1120 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
d4393e08 PP |
1121 | i++; |
1122 | } | |
1123 | } | |
1124 | ||
1125 | if (i > 0) { | |
1126 | /* | |
c14831f0 | 1127 | * Even if muxer_msg_iter_do_next_one() returned |
d4393e08 | 1128 | * something else than |
c14831f0 PP |
1129 | * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated |
1130 | * message objects in the output message | |
d4393e08 | 1131 | * array, so we need to return |
c14831f0 | 1132 | * BT_MESSAGE_ITERATOR_STATUS_OK so that they are |
d4393e08 | 1133 | * transfered to downstream. This other status occurs |
c14831f0 | 1134 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 1135 | * called, possibly without any accumulated |
c14831f0 | 1136 | * message, in which case we'll return it. |
d4393e08 PP |
1137 | */ |
1138 | *count = i; | |
cef3fd3e | 1139 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
1140 | } |
1141 | ||
1142 | return status; | |
958f7d11 PP |
1143 | } |
1144 | ||
1145 | static | |
c14831f0 | 1146 | void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter) |
ab11110e | 1147 | { |
c14831f0 | 1148 | if (!muxer_msg_iter) { |
ab11110e PP |
1149 | return; |
1150 | } | |
1151 | ||
c14831f0 PP |
1152 | BT_LOGD("Destroying muxer component's message iterator: " |
1153 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
fed72692 | 1154 | |
c14831f0 PP |
1155 | if (muxer_msg_iter->muxer_upstream_msg_iters) { |
1156 | BT_LOGD_STR("Destroying muxer's upstream message iterator wrappers."); | |
ab11110e | 1157 | g_ptr_array_free( |
c14831f0 | 1158 | muxer_msg_iter->muxer_upstream_msg_iters, TRUE); |
ab11110e PP |
1159 | } |
1160 | ||
c14831f0 PP |
1161 | g_list_free(muxer_msg_iter->newly_connected_self_ports); |
1162 | g_free(muxer_msg_iter); | |
ab11110e PP |
1163 | } |
1164 | ||
1165 | static | |
c14831f0 PP |
1166 | int muxer_msg_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, |
1167 | struct muxer_msg_iter *muxer_msg_iter) | |
958f7d11 | 1168 | { |
544d0515 PP |
1169 | int64_t count; |
1170 | int64_t i; | |
ab11110e | 1171 | int ret = 0; |
958f7d11 | 1172 | |
ab11110e | 1173 | /* |
c14831f0 | 1174 | * Add the connected input ports to this muxer message |
ab11110e | 1175 | * iterator's list of newly connected ports. They will be |
c14831f0 | 1176 | * handled by muxer_msg_iter_handle_newly_connected_ports(). |
ab11110e | 1177 | */ |
d27a81b2 | 1178 | count = bt_component_filter_get_input_port_count( |
27c0f01f | 1179 | bt_self_component_filter_as_component_filter( |
d27a81b2 | 1180 | muxer_comp->self_comp)); |
544d0515 | 1181 | if (count < 0) { |
c14831f0 PP |
1182 | BT_LOGD("No input port to initialize for muxer component's message iterator: " |
1183 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p", | |
1184 | muxer_comp, muxer_msg_iter); | |
ab11110e PP |
1185 | goto end; |
1186 | } | |
958f7d11 PP |
1187 | |
1188 | for (i = 0; i < count; i++) { | |
b9879703 | 1189 | bt_self_component_port_input *self_port = |
d27a81b2 PP |
1190 | bt_self_component_filter_borrow_input_port_by_index( |
1191 | muxer_comp->self_comp, i); | |
b9879703 | 1192 | const bt_port *port; |
958f7d11 | 1193 | |
d27a81b2 | 1194 | BT_ASSERT(self_port); |
27c0f01f PP |
1195 | port = bt_self_component_port_as_port( |
1196 | bt_self_component_port_input_as_self_component_port( | |
d27a81b2 | 1197 | self_port)); |
f6ccaed9 | 1198 | BT_ASSERT(port); |
958f7d11 PP |
1199 | |
1200 | if (!bt_port_is_connected(port)) { | |
fed72692 PP |
1201 | BT_LOGD("Skipping input port: not connected: " |
1202 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1203 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 PP |
1204 | continue; |
1205 | } | |
1206 | ||
c14831f0 | 1207 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1208 | g_list_append( |
c14831f0 | 1209 | muxer_msg_iter->newly_connected_self_ports, |
d27a81b2 | 1210 | self_port); |
c14831f0 PP |
1211 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1212 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
fed72692 | 1213 | "port-addr=%p, port-name=\"%s\", " |
c14831f0 PP |
1214 | "muxer-msg-iter-addr=%p", port, |
1215 | bt_port_get_name(port), muxer_msg_iter); | |
ab11110e PP |
1216 | ret = -1; |
1217 | goto end; | |
958f7d11 | 1218 | } |
fed72692 | 1219 | |
c14831f0 | 1220 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
fed72692 | 1221 | "port-addr=%p, port-name=\"%s\", " |
c14831f0 PP |
1222 | "muxer-msg-iter-addr=%p", port, |
1223 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1224 | } |
1225 | ||
1226 | end: | |
958f7d11 PP |
1227 | return ret; |
1228 | } | |
1229 | ||
958f7d11 | 1230 | BT_HIDDEN |
b7c5b62e | 1231 | bt_self_message_iterator_status muxer_msg_iter_init( |
c14831f0 | 1232 | bt_self_message_iterator *self_msg_iter, |
b9879703 PP |
1233 | bt_self_component_filter *self_comp, |
1234 | bt_self_component_port_output *port) | |
958f7d11 PP |
1235 | { |
1236 | struct muxer_comp *muxer_comp = NULL; | |
c14831f0 | 1237 | struct muxer_msg_iter *muxer_msg_iter = NULL; |
b7c5b62e | 1238 | bt_self_message_iterator_status status = |
cef3fd3e | 1239 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 PP |
1240 | int ret; |
1241 | ||
d27a81b2 | 1242 | muxer_comp = bt_self_component_get_data( |
27c0f01f | 1243 | bt_self_component_filter_as_self_component(self_comp)); |
f6ccaed9 | 1244 | BT_ASSERT(muxer_comp); |
c14831f0 PP |
1245 | BT_LOGD("Initializing muxer component's message iterator: " |
1246 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1247 | self_comp, muxer_comp, self_msg_iter); | |
a09c6b95 | 1248 | |
c14831f0 | 1249 | if (muxer_comp->initializing_muxer_msg_iter) { |
a09c6b95 | 1250 | /* |
089717de | 1251 | * Weird, unhandled situation detected: downstream |
c14831f0 PP |
1252 | * creates a muxer message iterator while creating |
1253 | * another muxer message iterator (same component). | |
a09c6b95 | 1254 | */ |
c14831f0 PP |
1255 | BT_LOGE("Recursive initialization of muxer component's message iterator: " |
1256 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1257 | self_comp, muxer_comp, self_msg_iter); | |
958f7d11 PP |
1258 | goto error; |
1259 | } | |
1260 | ||
c14831f0 PP |
1261 | muxer_comp->initializing_muxer_msg_iter = true; |
1262 | muxer_msg_iter = g_new0(struct muxer_msg_iter, 1); | |
1263 | if (!muxer_msg_iter) { | |
1264 | BT_LOGE_STR("Failed to allocate one muxer component's message iterator."); | |
ab11110e PP |
1265 | goto error; |
1266 | } | |
1267 | ||
c14831f0 PP |
1268 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
1269 | muxer_msg_iter->muxer_upstream_msg_iters = | |
958f7d11 | 1270 | g_ptr_array_new_with_free_func( |
c14831f0 PP |
1271 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); |
1272 | if (!muxer_msg_iter->muxer_upstream_msg_iters) { | |
fed72692 | 1273 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1274 | goto error; |
1275 | } | |
1276 | ||
a09c6b95 | 1277 | /* |
c14831f0 PP |
1278 | * Add the muxer message iterator to the component's array |
1279 | * of muxer message iterators here because | |
1280 | * muxer_msg_iter_init_newly_connected_ports() can cause | |
a09c6b95 | 1281 | * muxer_port_connected() to be called, which adds the newly |
c14831f0 | 1282 | * connected port to each muxer message iterator's list of |
a09c6b95 PP |
1283 | * newly connected ports. |
1284 | */ | |
c14831f0 PP |
1285 | g_ptr_array_add(muxer_comp->muxer_msg_iters, muxer_msg_iter); |
1286 | ret = muxer_msg_iter_init_newly_connected_ports(muxer_comp, | |
1287 | muxer_msg_iter); | |
a09c6b95 | 1288 | if (ret) { |
c14831f0 | 1289 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's message iterator: " |
fed72692 | 1290 | "comp-addr=%p, muxer-comp-addr=%p, " |
c14831f0 PP |
1291 | "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d", |
1292 | self_comp, muxer_comp, muxer_msg_iter, | |
1293 | self_msg_iter, ret); | |
a09c6b95 PP |
1294 | goto error; |
1295 | } | |
1296 | ||
c14831f0 PP |
1297 | bt_self_message_iterator_set_data(self_msg_iter, |
1298 | muxer_msg_iter); | |
1299 | BT_LOGD("Initialized muxer component's message iterator: " | |
1300 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1301 | "msg-iter-addr=%p", | |
1302 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1303 | goto end; |
1304 | ||
1305 | error: | |
c14831f0 PP |
1306 | if (g_ptr_array_index(muxer_comp->muxer_msg_iters, |
1307 | muxer_comp->muxer_msg_iters->len - 1) == muxer_msg_iter) { | |
1308 | g_ptr_array_remove_index(muxer_comp->muxer_msg_iters, | |
1309 | muxer_comp->muxer_msg_iters->len - 1); | |
a09c6b95 PP |
1310 | } |
1311 | ||
c14831f0 PP |
1312 | destroy_muxer_msg_iter(muxer_msg_iter); |
1313 | bt_self_message_iterator_set_data(self_msg_iter, | |
958f7d11 | 1314 | NULL); |
cef3fd3e | 1315 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1316 | |
1317 | end: | |
c14831f0 | 1318 | muxer_comp->initializing_muxer_msg_iter = false; |
958f7d11 PP |
1319 | return status; |
1320 | } | |
1321 | ||
1322 | BT_HIDDEN | |
c14831f0 PP |
1323 | void muxer_msg_iter_finalize( |
1324 | bt_self_message_iterator *self_msg_iter) | |
958f7d11 | 1325 | { |
c14831f0 PP |
1326 | struct muxer_msg_iter *muxer_msg_iter = |
1327 | bt_self_message_iterator_get_data(self_msg_iter); | |
b9879703 | 1328 | bt_self_component *self_comp = NULL; |
958f7d11 PP |
1329 | struct muxer_comp *muxer_comp = NULL; |
1330 | ||
c14831f0 PP |
1331 | self_comp = bt_self_message_iterator_borrow_component( |
1332 | self_msg_iter); | |
d27a81b2 PP |
1333 | BT_ASSERT(self_comp); |
1334 | muxer_comp = bt_self_component_get_data(self_comp); | |
c14831f0 PP |
1335 | BT_LOGD("Finalizing muxer component's message iterator: " |
1336 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1337 | "msg-iter-addr=%p", | |
1338 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1339 | |
1340 | if (muxer_comp) { | |
c14831f0 PP |
1341 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_msg_iters, |
1342 | muxer_msg_iter); | |
1343 | destroy_muxer_msg_iter(muxer_msg_iter); | |
958f7d11 | 1344 | } |
958f7d11 PP |
1345 | } |
1346 | ||
1347 | BT_HIDDEN | |
cef3fd3e | 1348 | bt_self_message_iterator_status muxer_msg_iter_next( |
c14831f0 PP |
1349 | bt_self_message_iterator *self_msg_iter, |
1350 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 | 1351 | uint64_t *count) |
958f7d11 | 1352 | { |
cef3fd3e | 1353 | bt_self_message_iterator_status status; |
c14831f0 PP |
1354 | struct muxer_msg_iter *muxer_msg_iter = |
1355 | bt_self_message_iterator_get_data(self_msg_iter); | |
b9879703 | 1356 | bt_self_component *self_comp = NULL; |
958f7d11 | 1357 | struct muxer_comp *muxer_comp = NULL; |
958f7d11 | 1358 | |
c14831f0 PP |
1359 | BT_ASSERT(muxer_msg_iter); |
1360 | self_comp = bt_self_message_iterator_borrow_component( | |
1361 | self_msg_iter); | |
d27a81b2 PP |
1362 | BT_ASSERT(self_comp); |
1363 | muxer_comp = bt_self_component_get_data(self_comp); | |
f6ccaed9 | 1364 | BT_ASSERT(muxer_comp); |
c14831f0 PP |
1365 | BT_LOGV("Muxer component's message iterator's \"next\" method called: " |
1366 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1367 | "msg-iter-addr=%p", | |
1368 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
fed72692 | 1369 | |
c14831f0 PP |
1370 | status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter, |
1371 | msgs, capacity, count); | |
d4393e08 | 1372 | if (status < 0) { |
c14831f0 PP |
1373 | BT_LOGE("Cannot get next message: " |
1374 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1375 | "msg-iter-addr=%p, status=%s", | |
1376 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter, | |
cef3fd3e | 1377 | bt_self_message_iterator_status_string(status)); |
fed72692 | 1378 | } else { |
c14831f0 | 1379 | BT_LOGV("Returning from muxer component's message iterator's \"next\" method: " |
d4393e08 | 1380 | "status=%s", |
cef3fd3e | 1381 | bt_self_message_iterator_status_string(status)); |
fed72692 | 1382 | } |
958f7d11 | 1383 | |
d4393e08 | 1384 | return status; |
958f7d11 PP |
1385 | } |
1386 | ||
1387 | BT_HIDDEN | |
b7c5b62e | 1388 | bt_self_component_status muxer_input_port_connected( |
b9879703 PP |
1389 | bt_self_component_filter *self_comp, |
1390 | bt_self_component_port_input *self_port, | |
1391 | const bt_port_output *other_port) | |
958f7d11 | 1392 | { |
b7c5b62e | 1393 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
b9879703 | 1394 | const bt_port *port = bt_self_component_port_as_port( |
27c0f01f | 1395 | bt_self_component_port_input_as_self_component_port( |
d27a81b2 | 1396 | self_port)); |
958f7d11 | 1397 | struct muxer_comp *muxer_comp = |
d27a81b2 | 1398 | bt_self_component_get_data( |
27c0f01f | 1399 | bt_self_component_filter_as_self_component( |
d27a81b2 | 1400 | self_comp)); |
958f7d11 | 1401 | size_t i; |
06a2cb0d | 1402 | int ret; |
958f7d11 | 1403 | |
d27a81b2 | 1404 | BT_ASSERT(port); |
f6ccaed9 | 1405 | BT_ASSERT(muxer_comp); |
fed72692 PP |
1406 | BT_LOGD("Port connected: " |
1407 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1408 | "port-addr=%p, port-name=\"%s\", " | |
1409 | "other-port-addr=%p, other-port-name=\"%s\"", | |
d27a81b2 PP |
1410 | self_comp, muxer_comp, self_port, bt_port_get_name(port), |
1411 | other_port, | |
96ffdc46 | 1412 | bt_port_get_name(bt_port_output_as_port_const(other_port))); |
958f7d11 | 1413 | |
c14831f0 PP |
1414 | for (i = 0; i < muxer_comp->muxer_msg_iters->len; i++) { |
1415 | struct muxer_msg_iter *muxer_msg_iter = | |
1416 | g_ptr_array_index(muxer_comp->muxer_msg_iters, i); | |
958f7d11 PP |
1417 | |
1418 | /* | |
ab11110e | 1419 | * Add this port to the list of newly connected ports |
c14831f0 | 1420 | * for this muxer message iterator. We append at |
ab11110e | 1421 | * the end of this list while |
c14831f0 | 1422 | * muxer_msg_iter_handle_newly_connected_ports() |
ab11110e | 1423 | * removes the nodes from the beginning. |
958f7d11 | 1424 | */ |
c14831f0 | 1425 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1426 | g_list_append( |
c14831f0 | 1427 | muxer_msg_iter->newly_connected_self_ports, |
d27a81b2 | 1428 | self_port); |
c14831f0 PP |
1429 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1430 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
fed72692 | 1431 | "port-addr=%p, port-name=\"%s\", " |
c14831f0 PP |
1432 | "muxer-msg-iter-addr=%p", self_port, |
1433 | bt_port_get_name(port), muxer_msg_iter); | |
d27a81b2 | 1434 | status = BT_SELF_COMPONENT_STATUS_ERROR; |
958f7d11 PP |
1435 | goto end; |
1436 | } | |
fed72692 | 1437 | |
c14831f0 | 1438 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
fed72692 | 1439 | "port-addr=%p, port-name=\"%s\", " |
c14831f0 PP |
1440 | "muxer-msg-iter-addr=%p", self_port, |
1441 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1442 | } |
1443 | ||
06a2cb0d PP |
1444 | /* One less available input port */ |
1445 | muxer_comp->available_input_ports--; | |
d27a81b2 | 1446 | ret = ensure_available_input_port(self_comp); |
06a2cb0d PP |
1447 | if (ret) { |
1448 | /* | |
1449 | * Only way to report an error later since this | |
1450 | * method does not return anything. | |
1451 | */ | |
fed72692 PP |
1452 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1453 | "muxer-comp-addr=%p, status=%s", | |
d27a81b2 PP |
1454 | muxer_comp, bt_self_component_status_string(ret)); |
1455 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
06a2cb0d PP |
1456 | goto end; |
1457 | } | |
1458 | ||
958f7d11 | 1459 | end: |
bf55043c | 1460 | return status; |
958f7d11 | 1461 | } |