Commit | Line | Data |
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958f7d11 PP |
1 | /* |
2 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
318fe670 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> |
e0831b38 | 28 | #include <babeltrace/babeltrace.h> |
0f15f666 | 29 | #include <babeltrace/value-internal.h> |
318fe670 | 30 | #include <babeltrace/graph/component-internal.h> |
b09a5592 | 31 | #include <babeltrace/graph/message-iterator-internal.h> |
318fe670 | 32 | #include <babeltrace/graph/connection-internal.h> |
958f7d11 PP |
33 | #include <plugins-common.h> |
34 | #include <glib.h> | |
c55a9f58 | 35 | #include <stdbool.h> |
318fe670 | 36 | #include <inttypes.h> |
8b45963b | 37 | #include <babeltrace/assert-internal.h> |
17582c6d | 38 | #include <babeltrace/common-internal.h> |
0fbb9a9f | 39 | #include <stdlib.h> |
282c8cd0 | 40 | #include <string.h> |
958f7d11 | 41 | |
c3acd5f3 | 42 | #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes" |
65ee897d | 43 | |
958f7d11 | 44 | struct muxer_comp { |
fe7265b5 PP |
45 | /* |
46 | * Array of struct | |
b09a5592 | 47 | * bt_self_message_iterator * |
fe7265b5 PP |
48 | * (weak refs) |
49 | */ | |
b09a5592 | 50 | GPtrArray *muxer_msg_iters; |
958f7d11 PP |
51 | |
52 | /* Weak ref */ | |
8eee8ea2 | 53 | bt_self_component_filter *self_comp; |
834e9996 | 54 | |
958f7d11 PP |
55 | unsigned int next_port_num; |
56 | size_t available_input_ports; | |
b09a5592 | 57 | bool initializing_muxer_msg_iter; |
282c8cd0 | 58 | bool assume_absolute_clock_classes; |
958f7d11 PP |
59 | }; |
60 | ||
b09a5592 | 61 | struct muxer_upstream_msg_iter { |
ab11110e | 62 | /* Owned by this, NULL if ended */ |
b09a5592 | 63 | bt_self_component_port_input_message_iterator *msg_iter; |
958f7d11 | 64 | |
b09a5592 PP |
65 | /* Contains `const bt_message *`, owned by this */ |
66 | GQueue *msgs; | |
958f7d11 PP |
67 | }; |
68 | ||
b09a5592 PP |
69 | enum muxer_msg_iter_clock_class_expectation { |
70 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
71 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, | |
72 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
73 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
282c8cd0 PP |
74 | }; |
75 | ||
b09a5592 | 76 | struct muxer_msg_iter { |
ab11110e | 77 | /* |
b09a5592 | 78 | * Array of struct muxer_upstream_msg_iter * (owned by this). |
ab11110e PP |
79 | * |
80 | * NOTE: This array is searched in linearly to find the youngest | |
b09a5592 | 81 | * current message. Keep this until benchmarks confirm that |
ab11110e PP |
82 | * another data structure is faster than this for our typical |
83 | * use cases. | |
84 | */ | |
b09a5592 | 85 | GPtrArray *muxer_upstream_msg_iters; |
958f7d11 | 86 | |
ab11110e | 87 | /* |
06a2cb0d | 88 | * List of "recently" connected input ports (weak) to |
b09a5592 | 89 | * handle by this muxer message iterator. |
ab11110e | 90 | * muxer_port_connected() adds entries to this list, and the |
b09a5592 | 91 | * entries are removed when a message iterator is created |
ab11110e | 92 | * on the port's connection and put into |
b09a5592 PP |
93 | * muxer_upstream_msg_iters above by |
94 | * muxer_msg_iter_handle_newly_connected_ports(). | |
ab11110e | 95 | */ |
834e9996 | 96 | GList *newly_connected_self_ports; |
958f7d11 | 97 | |
b09a5592 | 98 | /* Last time returned in a message */ |
958f7d11 | 99 | int64_t last_returned_ts_ns; |
282c8cd0 PP |
100 | |
101 | /* Clock class expectation state */ | |
b09a5592 | 102 | enum muxer_msg_iter_clock_class_expectation clock_class_expectation; |
282c8cd0 PP |
103 | |
104 | /* | |
105 | * Expected clock class UUID, only valid when | |
106 | * clock_class_expectation is | |
b09a5592 | 107 | * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. |
282c8cd0 PP |
108 | */ |
109 | unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN]; | |
958f7d11 PP |
110 | }; |
111 | ||
ab11110e | 112 | static |
b09a5592 PP |
113 | void destroy_muxer_upstream_msg_iter( |
114 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) | |
ab11110e | 115 | { |
b09a5592 | 116 | if (!muxer_upstream_msg_iter) { |
ab11110e PP |
117 | return; |
118 | } | |
119 | ||
b09a5592 PP |
120 | BT_LOGD("Destroying muxer's upstream message iterator wrapper: " |
121 | "addr=%p, msg-iter-addr=%p, queue-len=%u", | |
122 | muxer_upstream_msg_iter, | |
123 | muxer_upstream_msg_iter->msg_iter, | |
124 | muxer_upstream_msg_iter->msgs->length); | |
125 | bt_self_component_port_input_message_iterator_put_ref(muxer_upstream_msg_iter->msg_iter); | |
3fd7b79d | 126 | |
b09a5592 PP |
127 | if (muxer_upstream_msg_iter->msgs) { |
128 | const bt_message *msg; | |
3fd7b79d | 129 | |
b09a5592 PP |
130 | while ((msg = g_queue_pop_head( |
131 | muxer_upstream_msg_iter->msgs))) { | |
132 | bt_message_put_ref(msg); | |
3fd7b79d PP |
133 | } |
134 | ||
b09a5592 | 135 | g_queue_free(muxer_upstream_msg_iter->msgs); |
3fd7b79d PP |
136 | } |
137 | ||
b09a5592 | 138 | g_free(muxer_upstream_msg_iter); |
ab11110e PP |
139 | } |
140 | ||
958f7d11 | 141 | static |
b09a5592 PP |
142 | struct muxer_upstream_msg_iter *muxer_msg_iter_add_upstream_msg_iter( |
143 | struct muxer_msg_iter *muxer_msg_iter, | |
144 | bt_self_component_port_input_message_iterator *self_msg_iter) | |
958f7d11 | 145 | { |
b09a5592 PP |
146 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = |
147 | g_new0(struct muxer_upstream_msg_iter, 1); | |
958f7d11 | 148 | |
b09a5592 PP |
149 | if (!muxer_upstream_msg_iter) { |
150 | BT_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper."); | |
958f7d11 PP |
151 | goto end; |
152 | } | |
153 | ||
b09a5592 PP |
154 | muxer_upstream_msg_iter->msg_iter = self_msg_iter; |
155 | bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter); | |
156 | muxer_upstream_msg_iter->msgs = g_queue_new(); | |
157 | if (!muxer_upstream_msg_iter->msgs) { | |
3fd7b79d | 158 | BT_LOGE_STR("Failed to allocate a GQueue."); |
3fd7b79d PP |
159 | goto end; |
160 | } | |
161 | ||
b09a5592 PP |
162 | g_ptr_array_add(muxer_msg_iter->muxer_upstream_msg_iters, |
163 | muxer_upstream_msg_iter); | |
164 | BT_LOGD("Added muxer's upstream message iterator wrapper: " | |
165 | "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p", | |
166 | muxer_upstream_msg_iter, muxer_msg_iter, | |
167 | self_msg_iter); | |
958f7d11 PP |
168 | |
169 | end: | |
b09a5592 | 170 | return muxer_upstream_msg_iter; |
958f7d11 PP |
171 | } |
172 | ||
958f7d11 | 173 | static |
ee78f405 | 174 | bt_self_component_status ensure_available_input_port( |
8eee8ea2 | 175 | bt_self_component_filter *self_comp) |
958f7d11 | 176 | { |
834e9996 | 177 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
bb61965b | 178 | bt_self_component_filter_as_self_component(self_comp)); |
ee78f405 | 179 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
958f7d11 | 180 | GString *port_name = NULL; |
958f7d11 | 181 | |
8b45963b | 182 | BT_ASSERT(muxer_comp); |
958f7d11 PP |
183 | |
184 | if (muxer_comp->available_input_ports >= 1) { | |
185 | goto end; | |
186 | } | |
187 | ||
188 | port_name = g_string_new("in"); | |
189 | if (!port_name) { | |
318fe670 | 190 | BT_LOGE_STR("Failed to allocate a GString."); |
834e9996 | 191 | status = BT_SELF_COMPONENT_STATUS_NOMEM; |
958f7d11 PP |
192 | goto end; |
193 | } | |
194 | ||
195 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
834e9996 PP |
196 | status = bt_self_component_filter_add_input_port( |
197 | self_comp, port_name->str, NULL, NULL); | |
198 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
318fe670 PP |
199 | BT_LOGE("Cannot add input port to muxer component: " |
200 | "port-name=\"%s\", comp-addr=%p, status=%s", | |
834e9996 PP |
201 | port_name->str, self_comp, |
202 | bt_self_component_status_string(status)); | |
958f7d11 PP |
203 | goto end; |
204 | } | |
205 | ||
206 | muxer_comp->available_input_ports++; | |
207 | muxer_comp->next_port_num++; | |
318fe670 PP |
208 | BT_LOGD("Added one input port to muxer component: " |
209 | "port-name=\"%s\", comp-addr=%p", | |
834e9996 | 210 | port_name->str, self_comp); |
958f7d11 PP |
211 | end: |
212 | if (port_name) { | |
213 | g_string_free(port_name, TRUE); | |
214 | } | |
215 | ||
147337a3 | 216 | return status; |
958f7d11 PP |
217 | } |
218 | ||
958f7d11 | 219 | static |
ee78f405 | 220 | bt_self_component_status create_output_port( |
8eee8ea2 | 221 | bt_self_component_filter *self_comp) |
958f7d11 | 222 | { |
834e9996 PP |
223 | return bt_self_component_filter_add_output_port( |
224 | self_comp, "out", NULL, NULL); | |
958f7d11 PP |
225 | } |
226 | ||
227 | static | |
228 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
229 | { | |
230 | if (!muxer_comp) { | |
231 | return; | |
232 | } | |
233 | ||
318fe670 | 234 | BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, " |
b09a5592 PP |
235 | "muxer-msg-iter-count=%u", muxer_comp, |
236 | muxer_comp->muxer_msg_iters ? | |
237 | muxer_comp->muxer_msg_iters->len : 0); | |
318fe670 | 238 | |
b09a5592 PP |
239 | if (muxer_comp->muxer_msg_iters) { |
240 | g_ptr_array_free(muxer_comp->muxer_msg_iters, TRUE); | |
958f7d11 PP |
241 | } |
242 | ||
243 | g_free(muxer_comp); | |
244 | } | |
245 | ||
65ee897d | 246 | static |
8eee8ea2 | 247 | bt_value *get_default_params(void) |
65ee897d | 248 | { |
8eee8ea2 | 249 | bt_value *params; |
65ee897d PP |
250 | int ret; |
251 | ||
ce141536 | 252 | params = bt_value_map_create(); |
65ee897d | 253 | if (!params) { |
318fe670 | 254 | BT_LOGE_STR("Cannot create a map value object."); |
65ee897d PP |
255 | goto error; |
256 | } | |
257 | ||
ce141536 | 258 | ret = bt_value_map_insert_bool_entry(params, |
c3acd5f3 | 259 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false); |
65ee897d | 260 | if (ret) { |
318fe670 | 261 | BT_LOGE_STR("Cannot add boolean value to map value object."); |
65ee897d PP |
262 | goto error; |
263 | } | |
264 | ||
265 | goto end; | |
266 | ||
267 | error: | |
8c6884d9 | 268 | BT_VALUE_PUT_REF_AND_RESET(params); |
65ee897d PP |
269 | |
270 | end: | |
271 | return params; | |
272 | } | |
273 | ||
274 | static | |
ce141536 | 275 | int configure_muxer_comp(struct muxer_comp *muxer_comp, |
8eee8ea2 | 276 | const bt_value *params) |
65ee897d | 277 | { |
8eee8ea2 PP |
278 | bt_value *default_params = NULL; |
279 | bt_value *real_params = NULL; | |
280 | const bt_value *assume_absolute_clock_classes = NULL; | |
65ee897d | 281 | int ret = 0; |
c55a9f58 | 282 | bt_bool bool_val; |
65ee897d PP |
283 | |
284 | default_params = get_default_params(); | |
285 | if (!default_params) { | |
318fe670 PP |
286 | BT_LOGE("Cannot get default parameters: " |
287 | "muxer-comp-addr=%p", muxer_comp); | |
65ee897d PP |
288 | goto error; |
289 | } | |
290 | ||
7be9d1d3 | 291 | ret = bt_value_map_extend(default_params, params, &real_params); |
b5cdc106 | 292 | if (ret) { |
318fe670 PP |
293 | BT_LOGE("Cannot extend default parameters map value: " |
294 | "muxer-comp-addr=%p, def-params-addr=%p, " | |
295 | "params-addr=%p", muxer_comp, default_params, | |
296 | params); | |
65ee897d PP |
297 | goto error; |
298 | } | |
299 | ||
ce141536 PP |
300 | assume_absolute_clock_classes = bt_value_map_borrow_entry_value(real_params, |
301 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME); | |
8b45963b PP |
302 | if (assume_absolute_clock_classes && |
303 | !bt_value_is_bool(assume_absolute_clock_classes)) { | |
318fe670 PP |
304 | BT_LOGE("Expecting a boolean value for the `%s` parameter: " |
305 | "muxer-comp-addr=%p, value-type=%s", | |
306 | ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp, | |
17582c6d | 307 | bt_common_value_type_string( |
318fe670 | 308 | bt_value_get_type(assume_absolute_clock_classes))); |
65ee897d PP |
309 | goto error; |
310 | } | |
311 | ||
b5cdc106 | 312 | bool_val = bt_value_bool_get(assume_absolute_clock_classes); |
282c8cd0 | 313 | muxer_comp->assume_absolute_clock_classes = (bool) bool_val; |
318fe670 PP |
314 | BT_LOGD("Configured muxer component: muxer-comp-addr=%p, " |
315 | "assume-absolute-clock-classes=%d", | |
316 | muxer_comp, muxer_comp->assume_absolute_clock_classes); | |
65ee897d PP |
317 | goto end; |
318 | ||
319 | error: | |
320 | ret = -1; | |
321 | ||
322 | end: | |
8c6884d9 PP |
323 | bt_value_put_ref(default_params); |
324 | bt_value_put_ref(real_params); | |
65ee897d PP |
325 | return ret; |
326 | } | |
327 | ||
958f7d11 | 328 | BT_HIDDEN |
ee78f405 | 329 | bt_self_component_status muxer_init( |
8eee8ea2 PP |
330 | bt_self_component_filter *self_comp, |
331 | bt_value *params, void *init_data) | |
958f7d11 PP |
332 | { |
333 | int ret; | |
ee78f405 | 334 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
958f7d11 PP |
335 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); |
336 | ||
318fe670 | 337 | BT_LOGD("Initializing muxer component: " |
834e9996 | 338 | "comp-addr=%p, params-addr=%p", self_comp, params); |
318fe670 | 339 | |
958f7d11 | 340 | if (!muxer_comp) { |
318fe670 | 341 | BT_LOGE_STR("Failed to allocate one muxer component."); |
958f7d11 PP |
342 | goto error; |
343 | } | |
344 | ||
65ee897d PP |
345 | ret = configure_muxer_comp(muxer_comp, params); |
346 | if (ret) { | |
318fe670 PP |
347 | BT_LOGE("Cannot configure muxer component: " |
348 | "muxer-comp-addr=%p, params-addr=%p", | |
349 | muxer_comp, params); | |
65ee897d PP |
350 | goto error; |
351 | } | |
352 | ||
b09a5592 PP |
353 | muxer_comp->muxer_msg_iters = g_ptr_array_new(); |
354 | if (!muxer_comp->muxer_msg_iters) { | |
318fe670 | 355 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
356 | goto error; |
357 | } | |
358 | ||
834e9996 PP |
359 | muxer_comp->self_comp = self_comp; |
360 | bt_self_component_set_data( | |
bb61965b | 361 | bt_self_component_filter_as_self_component(self_comp), |
834e9996 PP |
362 | muxer_comp); |
363 | status = ensure_available_input_port(self_comp); | |
364 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
318fe670 PP |
365 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
366 | "muxer-comp-addr=%p, status=%s", | |
367 | muxer_comp, | |
834e9996 | 368 | bt_self_component_status_string(status)); |
958f7d11 PP |
369 | goto error; |
370 | } | |
371 | ||
834e9996 | 372 | status = create_output_port(self_comp); |
318fe670 PP |
373 | if (status) { |
374 | BT_LOGE("Cannot create muxer component's output port: " | |
375 | "muxer-comp-addr=%p, status=%s", | |
376 | muxer_comp, | |
834e9996 | 377 | bt_self_component_status_string(status)); |
958f7d11 PP |
378 | goto error; |
379 | } | |
380 | ||
318fe670 PP |
381 | BT_LOGD("Initialized muxer component: " |
382 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", | |
834e9996 | 383 | self_comp, params, muxer_comp); |
318fe670 | 384 | |
958f7d11 PP |
385 | goto end; |
386 | ||
387 | error: | |
388 | destroy_muxer_comp(muxer_comp); | |
834e9996 | 389 | bt_self_component_set_data( |
bb61965b | 390 | bt_self_component_filter_as_self_component(self_comp), |
834e9996 | 391 | NULL); |
147337a3 | 392 | |
834e9996 PP |
393 | if (status == BT_SELF_COMPONENT_STATUS_OK) { |
394 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
147337a3 | 395 | } |
958f7d11 PP |
396 | |
397 | end: | |
398 | return status; | |
399 | } | |
400 | ||
401 | BT_HIDDEN | |
8eee8ea2 | 402 | void muxer_finalize(bt_self_component_filter *self_comp) |
958f7d11 | 403 | { |
834e9996 | 404 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
bb61965b | 405 | bt_self_component_filter_as_self_component(self_comp)); |
958f7d11 | 406 | |
318fe670 | 407 | BT_LOGD("Finalizing muxer component: comp-addr=%p", |
834e9996 | 408 | self_comp); |
958f7d11 PP |
409 | destroy_muxer_comp(muxer_comp); |
410 | } | |
411 | ||
412 | static | |
b09a5592 PP |
413 | bt_self_component_port_input_message_iterator * |
414 | create_msg_iter_on_input_port( | |
8eee8ea2 | 415 | bt_self_component_port_input *self_port, int *ret) |
958f7d11 | 416 | { |
8eee8ea2 | 417 | const bt_port *port = bt_self_component_port_as_port( |
bb61965b | 418 | bt_self_component_port_input_as_self_component_port( |
834e9996 | 419 | self_port)); |
b09a5592 | 420 | bt_self_component_port_input_message_iterator *msg_iter = |
834e9996 | 421 | NULL; |
958f7d11 | 422 | |
8b45963b | 423 | BT_ASSERT(ret); |
958f7d11 | 424 | *ret = 0; |
8b45963b PP |
425 | BT_ASSERT(port); |
426 | BT_ASSERT(bt_port_is_connected(port)); | |
958f7d11 | 427 | |
ab11110e | 428 | // TODO: Advance the iterator to >= the time of the latest |
b09a5592 | 429 | // returned message by the muxer message |
ab11110e | 430 | // iterator which creates it. |
b09a5592 | 431 | msg_iter = bt_self_component_port_input_message_iterator_create( |
834e9996 | 432 | self_port); |
b09a5592 PP |
433 | if (!msg_iter) { |
434 | BT_LOGE("Cannot create upstream message iterator on input port: " | |
834e9996 PP |
435 | "port-addr=%p, port-name=\"%s\"", |
436 | port, bt_port_get_name(port)); | |
958f7d11 PP |
437 | *ret = -1; |
438 | goto end; | |
439 | } | |
440 | ||
b09a5592 PP |
441 | BT_LOGD("Created upstream message iterator on input port: " |
442 | "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p", | |
443 | port, bt_port_get_name(port), msg_iter); | |
318fe670 | 444 | |
958f7d11 | 445 | end: |
b09a5592 | 446 | return msg_iter; |
958f7d11 PP |
447 | } |
448 | ||
ab11110e | 449 | static |
ee78f405 | 450 | bt_message_iterator_status muxer_upstream_msg_iter_next( |
b09a5592 | 451 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) |
ab11110e | 452 | { |
ee78f405 | 453 | bt_message_iterator_status status; |
b09a5592 | 454 | bt_message_array_const msgs; |
3fd7b79d PP |
455 | uint64_t i; |
456 | uint64_t count; | |
ab11110e | 457 | |
b09a5592 PP |
458 | BT_LOGV("Calling upstream message iterator's \"next\" method: " |
459 | "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p", | |
460 | muxer_upstream_msg_iter, | |
461 | muxer_upstream_msg_iter->msg_iter); | |
462 | status = bt_self_component_port_input_message_iterator_next( | |
463 | muxer_upstream_msg_iter->msg_iter, &msgs, &count); | |
464 | BT_LOGV("Upstream message iterator's \"next\" method returned: " | |
465 | "status=%s", bt_message_iterator_status_string(status)); | |
ab11110e | 466 | |
089717de | 467 | switch (status) { |
b09a5592 | 468 | case BT_MESSAGE_ITERATOR_STATUS_OK: |
089717de | 469 | /* |
b09a5592 | 470 | * Message iterator's current message is |
3fd7b79d | 471 | * valid: it must be considered for muxing operations. |
089717de | 472 | */ |
b09a5592 | 473 | BT_LOGV_STR("Validated upstream message iterator wrapper."); |
3fd7b79d PP |
474 | BT_ASSERT(count > 0); |
475 | ||
b09a5592 | 476 | /* Move messages to our queue */ |
3fd7b79d PP |
477 | for (i = 0; i < count; i++) { |
478 | /* | |
479 | * Push to tail in order; other side | |
b09a5592 | 480 | * (muxer_msg_iter_do_next_one()) consumes |
3fd7b79d PP |
481 | * from the head first. |
482 | */ | |
b09a5592 PP |
483 | g_queue_push_tail(muxer_upstream_msg_iter->msgs, |
484 | (void *) msgs[i]); | |
3fd7b79d | 485 | } |
ab11110e | 486 | break; |
b09a5592 | 487 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: |
089717de | 488 | /* |
b09a5592 | 489 | * Message iterator's current message is not |
089717de | 490 | * valid anymore. Return |
b09a5592 | 491 | * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately. |
089717de | 492 | */ |
ab11110e | 493 | break; |
b09a5592 PP |
494 | case BT_MESSAGE_ITERATOR_STATUS_END: /* Fall-through. */ |
495 | case BT_MESSAGE_ITERATOR_STATUS_CANCELED: | |
ab11110e | 496 | /* |
b09a5592 | 497 | * Message iterator reached the end: release it. It |
ab11110e | 498 | * won't be considered again to find the youngest |
b09a5592 | 499 | * message. |
ab11110e | 500 | */ |
b09a5592 PP |
501 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(muxer_upstream_msg_iter->msg_iter); |
502 | status = BT_MESSAGE_ITERATOR_STATUS_OK; | |
089717de | 503 | break; |
ab11110e PP |
504 | default: |
505 | /* Error or unsupported status code */ | |
318fe670 PP |
506 | BT_LOGE("Error or unsupported status code: " |
507 | "status-code=%d", status); | |
b09a5592 | 508 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; |
089717de | 509 | break; |
ab11110e PP |
510 | } |
511 | ||
089717de | 512 | return status; |
ab11110e PP |
513 | } |
514 | ||
515 | static | |
b09a5592 PP |
516 | int muxer_msg_iter_handle_newly_connected_ports( |
517 | struct muxer_msg_iter *muxer_msg_iter) | |
ab11110e | 518 | { |
ab11110e PP |
519 | int ret = 0; |
520 | ||
318fe670 | 521 | BT_LOGV("Handling newly connected ports: " |
b09a5592 | 522 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
318fe670 | 523 | |
ab11110e | 524 | /* |
b09a5592 | 525 | * Here we create one upstream message iterator for each |
3fd7b79d | 526 | * newly connected port. We do NOT perform an initial "next" on |
b09a5592 | 527 | * those new upstream message iterators: they are |
089717de PP |
528 | * invalidated, to be validated later. The list of newly |
529 | * connected ports to handle here is updated by | |
530 | * muxer_port_connected(). | |
ab11110e PP |
531 | */ |
532 | while (true) { | |
b09a5592 | 533 | GList *node = muxer_msg_iter->newly_connected_self_ports; |
8eee8ea2 PP |
534 | bt_self_component_port_input *self_port; |
535 | const bt_port *port; | |
b09a5592 PP |
536 | bt_self_component_port_input_message_iterator * |
537 | upstream_msg_iter = NULL; | |
538 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter; | |
ab11110e PP |
539 | |
540 | if (!node) { | |
541 | break; | |
542 | } | |
543 | ||
834e9996 | 544 | self_port = node->data; |
bb61965b PP |
545 | port = bt_self_component_port_as_port( |
546 | bt_self_component_port_input_as_self_component_port( | |
834e9996 | 547 | (self_port))); |
8b45963b | 548 | BT_ASSERT(port); |
ab11110e PP |
549 | |
550 | if (!bt_port_is_connected(port)) { | |
551 | /* | |
552 | * Looks like this port is not connected | |
553 | * anymore: we can't create an upstream | |
b09a5592 | 554 | * message iterator on its (non-existing) |
089717de | 555 | * connection in this case. |
ab11110e PP |
556 | */ |
557 | goto remove_node; | |
558 | } | |
559 | ||
b09a5592 | 560 | upstream_msg_iter = create_msg_iter_on_input_port( |
834e9996 | 561 | self_port, &ret); |
ab11110e | 562 | if (ret) { |
b09a5592 PP |
563 | /* create_msg_iter_on_input_port() logs errors */ |
564 | BT_ASSERT(!upstream_msg_iter); | |
ab11110e PP |
565 | goto error; |
566 | } | |
567 | ||
b09a5592 PP |
568 | muxer_upstream_msg_iter = |
569 | muxer_msg_iter_add_upstream_msg_iter( | |
570 | muxer_msg_iter, upstream_msg_iter); | |
571 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(upstream_msg_iter); | |
572 | if (!muxer_upstream_msg_iter) { | |
318fe670 | 573 | /* |
b09a5592 | 574 | * muxer_msg_iter_add_upstream_msg_iter() |
318fe670 PP |
575 | * logs errors. |
576 | */ | |
ab11110e PP |
577 | goto error; |
578 | } | |
579 | ||
ab11110e | 580 | remove_node: |
b09a5592 PP |
581 | bt_self_component_port_input_message_iterator_put_ref(upstream_msg_iter); |
582 | muxer_msg_iter->newly_connected_self_ports = | |
ab11110e | 583 | g_list_delete_link( |
b09a5592 | 584 | muxer_msg_iter->newly_connected_self_ports, |
ab11110e PP |
585 | node); |
586 | } | |
587 | ||
588 | goto end; | |
589 | ||
590 | error: | |
089717de | 591 | if (ret >= 0) { |
ab11110e PP |
592 | ret = -1; |
593 | } | |
594 | ||
595 | end: | |
ab11110e PP |
596 | return ret; |
597 | } | |
598 | ||
958f7d11 | 599 | static |
b09a5592 PP |
600 | int get_msg_ts_ns(struct muxer_comp *muxer_comp, |
601 | struct muxer_msg_iter *muxer_msg_iter, | |
602 | const bt_message *msg, int64_t last_returned_ts_ns, | |
958f7d11 PP |
603 | int64_t *ts_ns) |
604 | { | |
8eee8ea2 | 605 | const bt_clock_class *clock_class = NULL; |
ecbb78c0 | 606 | const bt_clock_snapshot *clock_snapshot = NULL; |
8eee8ea2 | 607 | const bt_event *event = NULL; |
958f7d11 | 608 | int ret = 0; |
282c8cd0 | 609 | const unsigned char *cc_uuid; |
318fe670 | 610 | const char *cc_name; |
ee78f405 | 611 | bt_clock_snapshot_state cs_state = BT_CLOCK_SNAPSHOT_STATE_KNOWN; |
958f7d11 | 612 | |
b09a5592 | 613 | BT_ASSERT(msg); |
8b45963b | 614 | BT_ASSERT(ts_ns); |
958f7d11 | 615 | |
b09a5592 PP |
616 | BT_LOGV("Getting message's timestamp: " |
617 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
318fe670 | 618 | "last-returned-ts=%" PRId64, |
b09a5592 | 619 | muxer_msg_iter, msg, last_returned_ts_ns); |
318fe670 | 620 | |
b09a5592 PP |
621 | switch (bt_message_get_type(msg)) { |
622 | case BT_MESSAGE_TYPE_EVENT: | |
623 | event = bt_message_event_borrow_event_const(msg); | |
8fc063a2 | 624 | BT_ASSERT(event); |
a13b98e1 | 625 | cs_state = bt_event_borrow_default_clock_snapshot_const(event, |
ecbb78c0 | 626 | &clock_snapshot); |
958f7d11 PP |
627 | break; |
628 | ||
b09a5592 | 629 | case BT_MESSAGE_TYPE_INACTIVITY: |
a13b98e1 | 630 | cs_state = |
ecbb78c0 | 631 | bt_message_inactivity_borrow_default_clock_snapshot_const( |
a13b98e1 | 632 | msg, &clock_snapshot); |
958f7d11 PP |
633 | break; |
634 | default: | |
b09a5592 PP |
635 | /* All the other messages have a higher priority */ |
636 | BT_LOGV_STR("Message has no timestamp: using the last returned timestamp."); | |
958f7d11 PP |
637 | *ts_ns = last_returned_ts_ns; |
638 | goto end; | |
639 | } | |
640 | ||
a13b98e1 | 641 | if (cs_state != BT_CLOCK_SNAPSHOT_STATE_KNOWN) { |
ecbb78c0 | 642 | BT_LOGE_STR("Unsupported unknown clock snapshot."); |
7b33a0e0 PP |
643 | ret = -1; |
644 | goto end; | |
645 | } | |
646 | ||
958f7d11 | 647 | /* |
ecbb78c0 | 648 | * If the clock snapshot is missing, then we consider that this |
b09a5592 | 649 | * message has no time. In this case it's always the |
8fc063a2 | 650 | * youngest. |
958f7d11 | 651 | */ |
ecbb78c0 PP |
652 | if (!clock_snapshot) { |
653 | BT_LOGV_STR("Message's default clock snapshot is missing: " | |
318fe670 | 654 | "using the last returned timestamp."); |
958f7d11 PP |
655 | *ts_ns = last_returned_ts_ns; |
656 | goto end; | |
657 | } | |
658 | ||
ecbb78c0 | 659 | clock_class = bt_clock_snapshot_borrow_clock_class_const(clock_snapshot); |
8fc063a2 | 660 | BT_ASSERT(clock_class); |
839d52a5 PP |
661 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
662 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 | 663 | |
b09a5592 PP |
664 | if (muxer_msg_iter->clock_class_expectation == |
665 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
282c8cd0 PP |
666 | /* |
667 | * This is the first clock class that this muxer | |
b09a5592 | 668 | * message iterator encounters. Its properties |
282c8cd0 PP |
669 | * determine what to expect for the whole lifetime of |
670 | * the iterator without a true | |
671 | * `assume-absolute-clock-classes` parameter. | |
672 | */ | |
839d52a5 | 673 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 | 674 | /* Expect absolute clock classes */ |
b09a5592 PP |
675 | muxer_msg_iter->clock_class_expectation = |
676 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
282c8cd0 PP |
677 | } else { |
678 | if (cc_uuid) { | |
679 | /* | |
680 | * Expect non-absolute clock classes | |
681 | * with a specific UUID. | |
682 | */ | |
b09a5592 PP |
683 | muxer_msg_iter->clock_class_expectation = |
684 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
685 | memcpy(muxer_msg_iter->expected_clock_class_uuid, | |
282c8cd0 PP |
686 | cc_uuid, BABELTRACE_UUID_LEN); |
687 | } else { | |
688 | /* | |
689 | * Expect non-absolute clock classes | |
690 | * with no UUID. | |
691 | */ | |
b09a5592 PP |
692 | muxer_msg_iter->clock_class_expectation = |
693 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
282c8cd0 PP |
694 | } |
695 | } | |
696 | } | |
697 | ||
698 | if (!muxer_comp->assume_absolute_clock_classes) { | |
b09a5592 PP |
699 | switch (muxer_msg_iter->clock_class_expectation) { |
700 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
839d52a5 | 701 | if (!bt_clock_class_is_absolute(clock_class)) { |
318fe670 PP |
702 | BT_LOGE("Expecting an absolute clock class, " |
703 | "but got a non-absolute one: " | |
704 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
705 | clock_class, cc_name); | |
282c8cd0 PP |
706 | goto error; |
707 | } | |
708 | break; | |
b09a5592 | 709 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: |
839d52a5 | 710 | if (bt_clock_class_is_absolute(clock_class)) { |
318fe670 PP |
711 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
712 | "but got an absolute one: " | |
713 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
714 | clock_class, cc_name); | |
282c8cd0 PP |
715 | goto error; |
716 | } | |
717 | ||
718 | if (cc_uuid) { | |
318fe670 PP |
719 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
720 | "but got one with a UUID: " | |
721 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
722 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
723 | clock_class, cc_name, | |
724 | (unsigned int) cc_uuid[0], | |
725 | (unsigned int) cc_uuid[1], | |
726 | (unsigned int) cc_uuid[2], | |
727 | (unsigned int) cc_uuid[3], | |
728 | (unsigned int) cc_uuid[4], | |
729 | (unsigned int) cc_uuid[5], | |
730 | (unsigned int) cc_uuid[6], | |
731 | (unsigned int) cc_uuid[7], | |
732 | (unsigned int) cc_uuid[8], | |
733 | (unsigned int) cc_uuid[9], | |
734 | (unsigned int) cc_uuid[10], | |
735 | (unsigned int) cc_uuid[11], | |
736 | (unsigned int) cc_uuid[12], | |
737 | (unsigned int) cc_uuid[13], | |
738 | (unsigned int) cc_uuid[14], | |
739 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
740 | goto error; |
741 | } | |
742 | break; | |
b09a5592 | 743 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: |
839d52a5 | 744 | if (bt_clock_class_is_absolute(clock_class)) { |
318fe670 PP |
745 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
746 | "but got an absolute one: " | |
747 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
748 | clock_class, cc_name); | |
282c8cd0 PP |
749 | goto error; |
750 | } | |
751 | ||
752 | if (!cc_uuid) { | |
318fe670 PP |
753 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
754 | "but got one with no UUID: " | |
755 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
756 | clock_class, cc_name); | |
282c8cd0 PP |
757 | goto error; |
758 | } | |
759 | ||
b09a5592 | 760 | if (memcmp(muxer_msg_iter->expected_clock_class_uuid, |
282c8cd0 | 761 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { |
318fe670 PP |
762 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
763 | "but got one with different UUID: " | |
764 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
765 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
766 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
767 | clock_class, cc_name, | |
b09a5592 PP |
768 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[0], |
769 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[1], | |
770 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[2], | |
771 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[3], | |
772 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[4], | |
773 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[5], | |
774 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[6], | |
775 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[7], | |
776 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[8], | |
777 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[9], | |
778 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[10], | |
779 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[11], | |
780 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[12], | |
781 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[13], | |
782 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[14], | |
783 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[15], | |
318fe670 PP |
784 | (unsigned int) cc_uuid[0], |
785 | (unsigned int) cc_uuid[1], | |
786 | (unsigned int) cc_uuid[2], | |
787 | (unsigned int) cc_uuid[3], | |
788 | (unsigned int) cc_uuid[4], | |
789 | (unsigned int) cc_uuid[5], | |
790 | (unsigned int) cc_uuid[6], | |
791 | (unsigned int) cc_uuid[7], | |
792 | (unsigned int) cc_uuid[8], | |
793 | (unsigned int) cc_uuid[9], | |
794 | (unsigned int) cc_uuid[10], | |
795 | (unsigned int) cc_uuid[11], | |
796 | (unsigned int) cc_uuid[12], | |
797 | (unsigned int) cc_uuid[13], | |
798 | (unsigned int) cc_uuid[14], | |
799 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
800 | goto error; |
801 | } | |
802 | break; | |
803 | default: | |
804 | /* Unexpected */ | |
318fe670 PP |
805 | BT_LOGF("Unexpected clock class expectation: " |
806 | "expectation-code=%d", | |
b09a5592 | 807 | muxer_msg_iter->clock_class_expectation); |
282c8cd0 PP |
808 | abort(); |
809 | } | |
958f7d11 PP |
810 | } |
811 | ||
ecbb78c0 | 812 | ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns); |
958f7d11 | 813 | if (ret) { |
ecbb78c0 PP |
814 | BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: " |
815 | "clock-snapshot-addr=%p", clock_snapshot); | |
958f7d11 PP |
816 | goto error; |
817 | } | |
818 | ||
819 | goto end; | |
820 | ||
821 | error: | |
822 | ret = -1; | |
823 | ||
824 | end: | |
318fe670 | 825 | if (ret == 0) { |
b09a5592 PP |
826 | BT_LOGV("Found message's timestamp: " |
827 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
318fe670 | 828 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, |
b09a5592 | 829 | muxer_msg_iter, msg, last_returned_ts_ns, |
318fe670 PP |
830 | *ts_ns); |
831 | } | |
832 | ||
958f7d11 PP |
833 | return ret; |
834 | } | |
835 | ||
ab11110e | 836 | /* |
b09a5592 PP |
837 | * This function finds the youngest available message amongst the |
838 | * non-ended upstream message iterators and returns the upstream | |
839 | * message iterator which has it, or | |
840 | * BT_MESSAGE_ITERATOR_STATUS_END if there's no available | |
841 | * message. | |
ab11110e PP |
842 | * |
843 | * This function does NOT: | |
844 | * | |
b09a5592 | 845 | * * Update any upstream message iterator. |
ab11110e | 846 | * * Check for newly connected ports. |
b09a5592 | 847 | * * Check the upstream message iterators to retry. |
ab11110e | 848 | * |
b09a5592 PP |
849 | * On sucess, this function sets *muxer_upstream_msg_iter to the |
850 | * upstream message iterator of which the current message is | |
ab11110e PP |
851 | * the youngest, and sets *ts_ns to its time. |
852 | */ | |
958f7d11 | 853 | static |
ee78f405 | 854 | bt_message_iterator_status |
b09a5592 | 855 | muxer_msg_iter_youngest_upstream_msg_iter( |
958f7d11 | 856 | struct muxer_comp *muxer_comp, |
b09a5592 PP |
857 | struct muxer_msg_iter *muxer_msg_iter, |
858 | struct muxer_upstream_msg_iter **muxer_upstream_msg_iter, | |
958f7d11 PP |
859 | int64_t *ts_ns) |
860 | { | |
861 | size_t i; | |
862 | int ret; | |
863 | int64_t youngest_ts_ns = INT64_MAX; | |
ee78f405 | 864 | bt_message_iterator_status status = |
b09a5592 | 865 | BT_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 | 866 | |
8b45963b | 867 | BT_ASSERT(muxer_comp); |
b09a5592 PP |
868 | BT_ASSERT(muxer_msg_iter); |
869 | BT_ASSERT(muxer_upstream_msg_iter); | |
870 | *muxer_upstream_msg_iter = NULL; | |
871 | ||
872 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { | |
873 | const bt_message *msg; | |
874 | struct muxer_upstream_msg_iter *cur_muxer_upstream_msg_iter = | |
875 | g_ptr_array_index(muxer_msg_iter->muxer_upstream_msg_iters, i); | |
876 | int64_t msg_ts_ns; | |
877 | ||
878 | if (!cur_muxer_upstream_msg_iter->msg_iter) { | |
879 | /* This upstream message iterator is ended */ | |
880 | BT_LOGV("Skipping ended upstream message iterator: " | |
881 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
882 | cur_muxer_upstream_msg_iter); | |
958f7d11 PP |
883 | continue; |
884 | } | |
885 | ||
b09a5592 PP |
886 | BT_ASSERT(cur_muxer_upstream_msg_iter->msgs->length > 0); |
887 | msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs); | |
888 | BT_ASSERT(msg); | |
889 | ret = get_msg_ts_ns(muxer_comp, muxer_msg_iter, msg, | |
890 | muxer_msg_iter->last_returned_ts_ns, &msg_ts_ns); | |
958f7d11 | 891 | if (ret) { |
b09a5592 PP |
892 | /* get_msg_ts_ns() logs errors */ |
893 | *muxer_upstream_msg_iter = NULL; | |
894 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
958f7d11 PP |
895 | goto end; |
896 | } | |
897 | ||
b09a5592 PP |
898 | if (msg_ts_ns <= youngest_ts_ns) { |
899 | *muxer_upstream_msg_iter = | |
900 | cur_muxer_upstream_msg_iter; | |
901 | youngest_ts_ns = msg_ts_ns; | |
958f7d11 PP |
902 | *ts_ns = youngest_ts_ns; |
903 | } | |
904 | } | |
905 | ||
b09a5592 PP |
906 | if (!*muxer_upstream_msg_iter) { |
907 | status = BT_MESSAGE_ITERATOR_STATUS_END; | |
958f7d11 PP |
908 | *ts_ns = INT64_MIN; |
909 | } | |
910 | ||
911 | end: | |
912 | return status; | |
913 | } | |
914 | ||
915 | static | |
ee78f405 | 916 | bt_message_iterator_status validate_muxer_upstream_msg_iter( |
b09a5592 | 917 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) |
958f7d11 | 918 | { |
ee78f405 | 919 | bt_message_iterator_status status = |
b09a5592 | 920 | BT_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 | 921 | |
b09a5592 PP |
922 | BT_LOGV("Validating muxer's upstream message iterator wrapper: " |
923 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
924 | muxer_upstream_msg_iter); | |
318fe670 | 925 | |
b09a5592 PP |
926 | if (muxer_upstream_msg_iter->msgs->length > 0 || |
927 | !muxer_upstream_msg_iter->msg_iter) { | |
3fd7b79d | 928 | BT_LOGV("Already valid or not considered: " |
b09a5592 PP |
929 | "queue-len=%u, upstream-msg-iter-addr=%p", |
930 | muxer_upstream_msg_iter->msgs->length, | |
931 | muxer_upstream_msg_iter->msg_iter); | |
ab11110e PP |
932 | goto end; |
933 | } | |
934 | ||
b09a5592 PP |
935 | /* muxer_upstream_msg_iter_next() logs details/errors */ |
936 | status = muxer_upstream_msg_iter_next(muxer_upstream_msg_iter); | |
089717de PP |
937 | |
938 | end: | |
939 | return status; | |
940 | } | |
941 | ||
942 | static | |
ee78f405 | 943 | bt_message_iterator_status validate_muxer_upstream_msg_iters( |
b09a5592 | 944 | struct muxer_msg_iter *muxer_msg_iter) |
089717de | 945 | { |
ee78f405 | 946 | bt_message_iterator_status status = |
b09a5592 | 947 | BT_MESSAGE_ITERATOR_STATUS_OK; |
089717de PP |
948 | size_t i; |
949 | ||
b09a5592 PP |
950 | BT_LOGV("Validating muxer's upstream message iterator wrappers: " |
951 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
318fe670 | 952 | |
b09a5592 PP |
953 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { |
954 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = | |
089717de | 955 | g_ptr_array_index( |
b09a5592 | 956 | muxer_msg_iter->muxer_upstream_msg_iters, |
089717de PP |
957 | i); |
958 | ||
b09a5592 PP |
959 | status = validate_muxer_upstream_msg_iter( |
960 | muxer_upstream_msg_iter); | |
961 | if (status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
318fe670 | 962 | if (status < 0) { |
b09a5592 PP |
963 | BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: " |
964 | "muxer-msg-iter-addr=%p, " | |
965 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
966 | muxer_msg_iter, | |
967 | muxer_upstream_msg_iter); | |
318fe670 | 968 | } else { |
b09a5592 PP |
969 | BT_LOGV("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); | |
318fe670 PP |
974 | } |
975 | ||
089717de PP |
976 | goto end; |
977 | } | |
744ba28b PP |
978 | |
979 | /* | |
b09a5592 | 980 | * Remove this muxer upstream message iterator |
744ba28b PP |
981 | * if it's ended or canceled. |
982 | */ | |
b09a5592 | 983 | if (!muxer_upstream_msg_iter->msg_iter) { |
744ba28b PP |
984 | /* |
985 | * Use g_ptr_array_remove_fast() because the | |
986 | * order of those elements is not important. | |
987 | */ | |
b09a5592 PP |
988 | BT_LOGV("Removing muxer's upstream message iterator wrapper: ended or canceled: " |
989 | "muxer-msg-iter-addr=%p, " | |
990 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
991 | muxer_msg_iter, muxer_upstream_msg_iter); | |
744ba28b | 992 | g_ptr_array_remove_index_fast( |
b09a5592 | 993 | muxer_msg_iter->muxer_upstream_msg_iters, |
744ba28b PP |
994 | i); |
995 | i--; | |
996 | } | |
089717de PP |
997 | } |
998 | ||
999 | end: | |
1000 | return status; | |
1001 | } | |
1002 | ||
3fd7b79d | 1003 | static inline |
ee78f405 | 1004 | bt_message_iterator_status muxer_msg_iter_do_next_one( |
089717de | 1005 | struct muxer_comp *muxer_comp, |
b09a5592 PP |
1006 | struct muxer_msg_iter *muxer_msg_iter, |
1007 | const bt_message **msg) | |
089717de | 1008 | { |
ee78f405 | 1009 | bt_message_iterator_status status = |
b09a5592 PP |
1010 | BT_MESSAGE_ITERATOR_STATUS_OK; |
1011 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL; | |
089717de PP |
1012 | int64_t next_return_ts; |
1013 | ||
1014 | while (true) { | |
b09a5592 PP |
1015 | int ret = muxer_msg_iter_handle_newly_connected_ports( |
1016 | muxer_msg_iter); | |
089717de PP |
1017 | |
1018 | if (ret) { | |
b09a5592 PP |
1019 | BT_LOGE("Cannot handle newly connected input ports for muxer's message iterator: " |
1020 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
318fe670 | 1021 | "ret=%d", |
b09a5592 PP |
1022 | muxer_comp, muxer_msg_iter, ret); |
1023 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
089717de PP |
1024 | goto end; |
1025 | } | |
1026 | ||
b09a5592 PP |
1027 | status = validate_muxer_upstream_msg_iters(muxer_msg_iter); |
1028 | if (status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
1029 | /* validate_muxer_upstream_msg_iters() logs details */ | |
089717de PP |
1030 | goto end; |
1031 | } | |
ab11110e | 1032 | |
958f7d11 | 1033 | /* |
089717de | 1034 | * At this point, we know that all the existing upstream |
b09a5592 | 1035 | * message iterators are valid. However the |
089717de | 1036 | * operations to validate them (during |
b09a5592 | 1037 | * validate_muxer_upstream_msg_iters()) may have |
089717de PP |
1038 | * connected new ports. If no ports were connected |
1039 | * during this operation, exit the loop. | |
958f7d11 | 1040 | */ |
b09a5592 PP |
1041 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1042 | BT_LOGV("Not breaking this loop: muxer's message iterator still has newly connected input ports to handle: " | |
318fe670 | 1043 | "muxer-comp-addr=%p", muxer_comp); |
089717de PP |
1044 | break; |
1045 | } | |
958f7d11 PP |
1046 | } |
1047 | ||
b09a5592 | 1048 | BT_ASSERT(!muxer_msg_iter->newly_connected_self_ports); |
089717de | 1049 | |
958f7d11 | 1050 | /* |
089717de | 1051 | * At this point we know that all the existing upstream |
b09a5592 PP |
1052 | * message iterators are valid. We can find the one, |
1053 | * amongst those, of which the current message is the | |
089717de | 1054 | * youngest. |
958f7d11 | 1055 | */ |
b09a5592 PP |
1056 | status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp, |
1057 | muxer_msg_iter, &muxer_upstream_msg_iter, | |
089717de | 1058 | &next_return_ts); |
b09a5592 PP |
1059 | if (status < 0 || status == BT_MESSAGE_ITERATOR_STATUS_END || |
1060 | status == BT_MESSAGE_ITERATOR_STATUS_CANCELED) { | |
3fd7b79d | 1061 | if (status < 0) { |
b09a5592 | 1062 | BT_LOGE("Cannot find the youngest upstream message iterator wrapper: " |
318fe670 | 1063 | "status=%s", |
b09a5592 | 1064 | bt_message_iterator_status_string(status)); |
318fe670 | 1065 | } else { |
b09a5592 | 1066 | BT_LOGV("Cannot find the youngest upstream message iterator wrapper: " |
318fe670 | 1067 | "status=%s", |
b09a5592 | 1068 | bt_message_iterator_status_string(status)); |
318fe670 PP |
1069 | } |
1070 | ||
958f7d11 PP |
1071 | goto end; |
1072 | } | |
1073 | ||
b09a5592 PP |
1074 | if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) { |
1075 | BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: " | |
1076 | "muxer-msg-iter-addr=%p, ts=%" PRId64 ", " | |
318fe670 | 1077 | "last-returned-ts=%" PRId64, |
b09a5592 PP |
1078 | muxer_msg_iter, next_return_ts, |
1079 | muxer_msg_iter->last_returned_ts_ns); | |
1080 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
958f7d11 PP |
1081 | goto end; |
1082 | } | |
1083 | ||
b09a5592 PP |
1084 | BT_LOGV("Found youngest upstream message iterator wrapper: " |
1085 | "muxer-msg-iter-addr=%p, " | |
1086 | "muxer-upstream-msg-iter-wrap-addr=%p, " | |
318fe670 | 1087 | "ts=%" PRId64, |
b09a5592 PP |
1088 | muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts); |
1089 | BT_ASSERT(status == BT_MESSAGE_ITERATOR_STATUS_OK); | |
1090 | BT_ASSERT(muxer_upstream_msg_iter); | |
958f7d11 PP |
1091 | |
1092 | /* | |
3fd7b79d | 1093 | * Consume from the queue's head: other side |
b09a5592 | 1094 | * (muxer_upstream_msg_iter_next()) writes to the tail. |
958f7d11 | 1095 | */ |
b09a5592 PP |
1096 | *msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs); |
1097 | BT_ASSERT(*msg); | |
1098 | muxer_msg_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1099 | |
1100 | end: | |
3fd7b79d PP |
1101 | return status; |
1102 | } | |
1103 | ||
1104 | static | |
ee78f405 | 1105 | bt_message_iterator_status muxer_msg_iter_do_next( |
3fd7b79d | 1106 | struct muxer_comp *muxer_comp, |
b09a5592 PP |
1107 | struct muxer_msg_iter *muxer_msg_iter, |
1108 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d PP |
1109 | uint64_t *count) |
1110 | { | |
ee78f405 | 1111 | bt_message_iterator_status status = |
b09a5592 | 1112 | BT_MESSAGE_ITERATOR_STATUS_OK; |
3fd7b79d PP |
1113 | uint64_t i = 0; |
1114 | ||
b09a5592 PP |
1115 | while (i < capacity && status == BT_MESSAGE_ITERATOR_STATUS_OK) { |
1116 | status = muxer_msg_iter_do_next_one(muxer_comp, | |
1117 | muxer_msg_iter, &msgs[i]); | |
1118 | if (status == BT_MESSAGE_ITERATOR_STATUS_OK) { | |
3fd7b79d PP |
1119 | i++; |
1120 | } | |
1121 | } | |
1122 | ||
1123 | if (i > 0) { | |
1124 | /* | |
b09a5592 | 1125 | * Even if muxer_msg_iter_do_next_one() returned |
3fd7b79d | 1126 | * something else than |
b09a5592 PP |
1127 | * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated |
1128 | * message objects in the output message | |
3fd7b79d | 1129 | * array, so we need to return |
b09a5592 | 1130 | * BT_MESSAGE_ITERATOR_STATUS_OK so that they are |
3fd7b79d | 1131 | * transfered to downstream. This other status occurs |
b09a5592 | 1132 | * again the next time muxer_msg_iter_do_next() is |
3fd7b79d | 1133 | * called, possibly without any accumulated |
b09a5592 | 1134 | * message, in which case we'll return it. |
3fd7b79d PP |
1135 | */ |
1136 | *count = i; | |
b09a5592 | 1137 | status = BT_MESSAGE_ITERATOR_STATUS_OK; |
3fd7b79d PP |
1138 | } |
1139 | ||
1140 | return status; | |
958f7d11 PP |
1141 | } |
1142 | ||
1143 | static | |
b09a5592 | 1144 | void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter) |
ab11110e | 1145 | { |
b09a5592 | 1146 | if (!muxer_msg_iter) { |
ab11110e PP |
1147 | return; |
1148 | } | |
1149 | ||
b09a5592 PP |
1150 | BT_LOGD("Destroying muxer component's message iterator: " |
1151 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
318fe670 | 1152 | |
b09a5592 PP |
1153 | if (muxer_msg_iter->muxer_upstream_msg_iters) { |
1154 | BT_LOGD_STR("Destroying muxer's upstream message iterator wrappers."); | |
ab11110e | 1155 | g_ptr_array_free( |
b09a5592 | 1156 | muxer_msg_iter->muxer_upstream_msg_iters, TRUE); |
ab11110e PP |
1157 | } |
1158 | ||
b09a5592 PP |
1159 | g_list_free(muxer_msg_iter->newly_connected_self_ports); |
1160 | g_free(muxer_msg_iter); | |
ab11110e PP |
1161 | } |
1162 | ||
1163 | static | |
b09a5592 PP |
1164 | int muxer_msg_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, |
1165 | struct muxer_msg_iter *muxer_msg_iter) | |
958f7d11 | 1166 | { |
544d0515 PP |
1167 | int64_t count; |
1168 | int64_t i; | |
ab11110e | 1169 | int ret = 0; |
958f7d11 | 1170 | |
ab11110e | 1171 | /* |
b09a5592 | 1172 | * Add the connected input ports to this muxer message |
ab11110e | 1173 | * iterator's list of newly connected ports. They will be |
b09a5592 | 1174 | * handled by muxer_msg_iter_handle_newly_connected_ports(). |
ab11110e | 1175 | */ |
834e9996 | 1176 | count = bt_component_filter_get_input_port_count( |
bb61965b | 1177 | bt_self_component_filter_as_component_filter( |
834e9996 | 1178 | muxer_comp->self_comp)); |
544d0515 | 1179 | if (count < 0) { |
b09a5592 PP |
1180 | BT_LOGD("No input port to initialize for muxer component's message iterator: " |
1181 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p", | |
1182 | muxer_comp, muxer_msg_iter); | |
ab11110e PP |
1183 | goto end; |
1184 | } | |
958f7d11 PP |
1185 | |
1186 | for (i = 0; i < count; i++) { | |
8eee8ea2 | 1187 | bt_self_component_port_input *self_port = |
834e9996 PP |
1188 | bt_self_component_filter_borrow_input_port_by_index( |
1189 | muxer_comp->self_comp, i); | |
8eee8ea2 | 1190 | const bt_port *port; |
958f7d11 | 1191 | |
834e9996 | 1192 | BT_ASSERT(self_port); |
bb61965b PP |
1193 | port = bt_self_component_port_as_port( |
1194 | bt_self_component_port_input_as_self_component_port( | |
834e9996 | 1195 | self_port)); |
8b45963b | 1196 | BT_ASSERT(port); |
958f7d11 PP |
1197 | |
1198 | if (!bt_port_is_connected(port)) { | |
318fe670 PP |
1199 | BT_LOGD("Skipping input port: not connected: " |
1200 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1201 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 PP |
1202 | continue; |
1203 | } | |
1204 | ||
b09a5592 | 1205 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1206 | g_list_append( |
b09a5592 | 1207 | muxer_msg_iter->newly_connected_self_ports, |
834e9996 | 1208 | self_port); |
b09a5592 PP |
1209 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1210 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
318fe670 | 1211 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1212 | "muxer-msg-iter-addr=%p", port, |
1213 | bt_port_get_name(port), muxer_msg_iter); | |
ab11110e PP |
1214 | ret = -1; |
1215 | goto end; | |
958f7d11 | 1216 | } |
318fe670 | 1217 | |
b09a5592 | 1218 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
318fe670 | 1219 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1220 | "muxer-msg-iter-addr=%p", port, |
1221 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1222 | } |
1223 | ||
1224 | end: | |
958f7d11 PP |
1225 | return ret; |
1226 | } | |
1227 | ||
958f7d11 | 1228 | BT_HIDDEN |
ee78f405 | 1229 | bt_self_message_iterator_status muxer_msg_iter_init( |
b09a5592 | 1230 | bt_self_message_iterator *self_msg_iter, |
8eee8ea2 PP |
1231 | bt_self_component_filter *self_comp, |
1232 | bt_self_component_port_output *port) | |
958f7d11 PP |
1233 | { |
1234 | struct muxer_comp *muxer_comp = NULL; | |
b09a5592 | 1235 | struct muxer_msg_iter *muxer_msg_iter = NULL; |
ee78f405 | 1236 | bt_self_message_iterator_status status = |
b09a5592 | 1237 | BT_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 PP |
1238 | int ret; |
1239 | ||
834e9996 | 1240 | muxer_comp = bt_self_component_get_data( |
bb61965b | 1241 | bt_self_component_filter_as_self_component(self_comp)); |
8b45963b | 1242 | BT_ASSERT(muxer_comp); |
b09a5592 PP |
1243 | BT_LOGD("Initializing muxer component's message iterator: " |
1244 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1245 | self_comp, muxer_comp, self_msg_iter); | |
a09c6b95 | 1246 | |
b09a5592 | 1247 | if (muxer_comp->initializing_muxer_msg_iter) { |
a09c6b95 | 1248 | /* |
089717de | 1249 | * Weird, unhandled situation detected: downstream |
b09a5592 PP |
1250 | * creates a muxer message iterator while creating |
1251 | * another muxer message iterator (same component). | |
a09c6b95 | 1252 | */ |
b09a5592 PP |
1253 | BT_LOGE("Recursive initialization of muxer component's message iterator: " |
1254 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1255 | self_comp, muxer_comp, self_msg_iter); | |
958f7d11 PP |
1256 | goto error; |
1257 | } | |
1258 | ||
b09a5592 PP |
1259 | muxer_comp->initializing_muxer_msg_iter = true; |
1260 | muxer_msg_iter = g_new0(struct muxer_msg_iter, 1); | |
1261 | if (!muxer_msg_iter) { | |
1262 | BT_LOGE_STR("Failed to allocate one muxer component's message iterator."); | |
ab11110e PP |
1263 | goto error; |
1264 | } | |
1265 | ||
b09a5592 PP |
1266 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
1267 | muxer_msg_iter->muxer_upstream_msg_iters = | |
958f7d11 | 1268 | g_ptr_array_new_with_free_func( |
b09a5592 PP |
1269 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); |
1270 | if (!muxer_msg_iter->muxer_upstream_msg_iters) { | |
318fe670 | 1271 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1272 | goto error; |
1273 | } | |
1274 | ||
a09c6b95 | 1275 | /* |
b09a5592 PP |
1276 | * Add the muxer message iterator to the component's array |
1277 | * of muxer message iterators here because | |
1278 | * muxer_msg_iter_init_newly_connected_ports() can cause | |
a09c6b95 | 1279 | * muxer_port_connected() to be called, which adds the newly |
b09a5592 | 1280 | * connected port to each muxer message iterator's list of |
a09c6b95 PP |
1281 | * newly connected ports. |
1282 | */ | |
b09a5592 PP |
1283 | g_ptr_array_add(muxer_comp->muxer_msg_iters, muxer_msg_iter); |
1284 | ret = muxer_msg_iter_init_newly_connected_ports(muxer_comp, | |
1285 | muxer_msg_iter); | |
a09c6b95 | 1286 | if (ret) { |
b09a5592 | 1287 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's message iterator: " |
318fe670 | 1288 | "comp-addr=%p, muxer-comp-addr=%p, " |
b09a5592 PP |
1289 | "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d", |
1290 | self_comp, muxer_comp, muxer_msg_iter, | |
1291 | self_msg_iter, ret); | |
a09c6b95 PP |
1292 | goto error; |
1293 | } | |
1294 | ||
b09a5592 PP |
1295 | bt_self_message_iterator_set_data(self_msg_iter, |
1296 | muxer_msg_iter); | |
1297 | BT_LOGD("Initialized muxer component's message iterator: " | |
1298 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1299 | "msg-iter-addr=%p", | |
1300 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1301 | goto end; |
1302 | ||
1303 | error: | |
b09a5592 PP |
1304 | if (g_ptr_array_index(muxer_comp->muxer_msg_iters, |
1305 | muxer_comp->muxer_msg_iters->len - 1) == muxer_msg_iter) { | |
1306 | g_ptr_array_remove_index(muxer_comp->muxer_msg_iters, | |
1307 | muxer_comp->muxer_msg_iters->len - 1); | |
a09c6b95 PP |
1308 | } |
1309 | ||
b09a5592 PP |
1310 | destroy_muxer_msg_iter(muxer_msg_iter); |
1311 | bt_self_message_iterator_set_data(self_msg_iter, | |
958f7d11 | 1312 | NULL); |
b09a5592 | 1313 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1314 | |
1315 | end: | |
b09a5592 | 1316 | muxer_comp->initializing_muxer_msg_iter = false; |
958f7d11 PP |
1317 | return status; |
1318 | } | |
1319 | ||
1320 | BT_HIDDEN | |
b09a5592 PP |
1321 | void muxer_msg_iter_finalize( |
1322 | bt_self_message_iterator *self_msg_iter) | |
958f7d11 | 1323 | { |
b09a5592 PP |
1324 | struct muxer_msg_iter *muxer_msg_iter = |
1325 | bt_self_message_iterator_get_data(self_msg_iter); | |
8eee8ea2 | 1326 | bt_self_component *self_comp = NULL; |
958f7d11 PP |
1327 | struct muxer_comp *muxer_comp = NULL; |
1328 | ||
b09a5592 PP |
1329 | self_comp = bt_self_message_iterator_borrow_component( |
1330 | self_msg_iter); | |
834e9996 PP |
1331 | BT_ASSERT(self_comp); |
1332 | muxer_comp = bt_self_component_get_data(self_comp); | |
b09a5592 PP |
1333 | BT_LOGD("Finalizing muxer component's message iterator: " |
1334 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1335 | "msg-iter-addr=%p", | |
1336 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1337 | |
1338 | if (muxer_comp) { | |
b09a5592 PP |
1339 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_msg_iters, |
1340 | muxer_msg_iter); | |
1341 | destroy_muxer_msg_iter(muxer_msg_iter); | |
958f7d11 | 1342 | } |
958f7d11 PP |
1343 | } |
1344 | ||
1345 | BT_HIDDEN | |
ee78f405 | 1346 | bt_message_iterator_status muxer_msg_iter_next( |
b09a5592 PP |
1347 | bt_self_message_iterator *self_msg_iter, |
1348 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d | 1349 | uint64_t *count) |
958f7d11 | 1350 | { |
ee78f405 | 1351 | bt_message_iterator_status status; |
b09a5592 PP |
1352 | struct muxer_msg_iter *muxer_msg_iter = |
1353 | bt_self_message_iterator_get_data(self_msg_iter); | |
8eee8ea2 | 1354 | bt_self_component *self_comp = NULL; |
958f7d11 | 1355 | struct muxer_comp *muxer_comp = NULL; |
958f7d11 | 1356 | |
b09a5592 PP |
1357 | BT_ASSERT(muxer_msg_iter); |
1358 | self_comp = bt_self_message_iterator_borrow_component( | |
1359 | self_msg_iter); | |
834e9996 PP |
1360 | BT_ASSERT(self_comp); |
1361 | muxer_comp = bt_self_component_get_data(self_comp); | |
8b45963b | 1362 | BT_ASSERT(muxer_comp); |
b09a5592 PP |
1363 | BT_LOGV("Muxer component's message iterator's \"next\" method called: " |
1364 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1365 | "msg-iter-addr=%p", | |
1366 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
318fe670 | 1367 | |
b09a5592 PP |
1368 | status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter, |
1369 | msgs, capacity, count); | |
3fd7b79d | 1370 | if (status < 0) { |
b09a5592 PP |
1371 | BT_LOGE("Cannot get next message: " |
1372 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1373 | "msg-iter-addr=%p, status=%s", | |
1374 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter, | |
1375 | bt_message_iterator_status_string(status)); | |
318fe670 | 1376 | } else { |
b09a5592 | 1377 | BT_LOGV("Returning from muxer component's message iterator's \"next\" method: " |
3fd7b79d | 1378 | "status=%s", |
b09a5592 | 1379 | bt_message_iterator_status_string(status)); |
318fe670 | 1380 | } |
958f7d11 | 1381 | |
3fd7b79d | 1382 | return status; |
958f7d11 PP |
1383 | } |
1384 | ||
1385 | BT_HIDDEN | |
ee78f405 | 1386 | bt_self_component_status muxer_input_port_connected( |
8eee8ea2 PP |
1387 | bt_self_component_filter *self_comp, |
1388 | bt_self_component_port_input *self_port, | |
1389 | const bt_port_output *other_port) | |
958f7d11 | 1390 | { |
ee78f405 | 1391 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
8eee8ea2 | 1392 | const bt_port *port = bt_self_component_port_as_port( |
bb61965b | 1393 | bt_self_component_port_input_as_self_component_port( |
834e9996 | 1394 | self_port)); |
958f7d11 | 1395 | struct muxer_comp *muxer_comp = |
834e9996 | 1396 | bt_self_component_get_data( |
bb61965b | 1397 | bt_self_component_filter_as_self_component( |
834e9996 | 1398 | self_comp)); |
958f7d11 | 1399 | size_t i; |
06a2cb0d | 1400 | int ret; |
958f7d11 | 1401 | |
834e9996 | 1402 | BT_ASSERT(port); |
8b45963b | 1403 | BT_ASSERT(muxer_comp); |
318fe670 PP |
1404 | BT_LOGD("Port connected: " |
1405 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1406 | "port-addr=%p, port-name=\"%s\", " | |
1407 | "other-port-addr=%p, other-port-name=\"%s\"", | |
834e9996 PP |
1408 | self_comp, muxer_comp, self_port, bt_port_get_name(port), |
1409 | other_port, | |
7b53201c | 1410 | bt_port_get_name(bt_port_output_as_port_const(other_port))); |
958f7d11 | 1411 | |
b09a5592 PP |
1412 | for (i = 0; i < muxer_comp->muxer_msg_iters->len; i++) { |
1413 | struct muxer_msg_iter *muxer_msg_iter = | |
1414 | g_ptr_array_index(muxer_comp->muxer_msg_iters, i); | |
958f7d11 PP |
1415 | |
1416 | /* | |
ab11110e | 1417 | * Add this port to the list of newly connected ports |
b09a5592 | 1418 | * for this muxer message iterator. We append at |
ab11110e | 1419 | * the end of this list while |
b09a5592 | 1420 | * muxer_msg_iter_handle_newly_connected_ports() |
ab11110e | 1421 | * removes the nodes from the beginning. |
958f7d11 | 1422 | */ |
b09a5592 | 1423 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1424 | g_list_append( |
b09a5592 | 1425 | muxer_msg_iter->newly_connected_self_ports, |
834e9996 | 1426 | self_port); |
b09a5592 PP |
1427 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1428 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
318fe670 | 1429 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1430 | "muxer-msg-iter-addr=%p", self_port, |
1431 | bt_port_get_name(port), muxer_msg_iter); | |
834e9996 | 1432 | status = BT_SELF_COMPONENT_STATUS_ERROR; |
958f7d11 PP |
1433 | goto end; |
1434 | } | |
318fe670 | 1435 | |
b09a5592 | 1436 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
318fe670 | 1437 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1438 | "muxer-msg-iter-addr=%p", self_port, |
1439 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1440 | } |
1441 | ||
06a2cb0d PP |
1442 | /* One less available input port */ |
1443 | muxer_comp->available_input_ports--; | |
834e9996 | 1444 | ret = ensure_available_input_port(self_comp); |
06a2cb0d PP |
1445 | if (ret) { |
1446 | /* | |
1447 | * Only way to report an error later since this | |
1448 | * method does not return anything. | |
1449 | */ | |
318fe670 PP |
1450 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1451 | "muxer-comp-addr=%p, status=%s", | |
834e9996 PP |
1452 | muxer_comp, bt_self_component_status_string(ret)); |
1453 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
06a2cb0d PP |
1454 | goto end; |
1455 | } | |
1456 | ||
958f7d11 | 1457 | end: |
634f394c | 1458 | return status; |
958f7d11 PP |
1459 | } |
1460 | ||
1461 | BT_HIDDEN | |
834e9996 | 1462 | void muxer_input_port_disconnected( |
8eee8ea2 PP |
1463 | bt_self_component_filter *self_component, |
1464 | bt_self_component_port_input *self_port) | |
958f7d11 | 1465 | { |
958f7d11 | 1466 | struct muxer_comp *muxer_comp = |
834e9996 | 1467 | bt_self_component_get_data( |
bb61965b | 1468 | bt_self_component_filter_as_self_component( |
834e9996 | 1469 | self_component)); |
8eee8ea2 | 1470 | const bt_port *port = |
bb61965b PP |
1471 | bt_self_component_port_as_port( |
1472 | bt_self_component_port_input_as_self_component_port( | |
834e9996 | 1473 | self_port)); |
958f7d11 | 1474 | |
8b45963b PP |
1475 | BT_ASSERT(port); |
1476 | BT_ASSERT(muxer_comp); | |
958f7d11 | 1477 | |
834e9996 PP |
1478 | /* One more available input port */ |
1479 | muxer_comp->available_input_ports++; | |
1480 | BT_LOGD("Leaving disconnected input port available for future connections: " | |
1481 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1482 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1483 | self_component, muxer_comp, port, bt_port_get_name(port), | |
1484 | muxer_comp->available_input_ports); | |
958f7d11 | 1485 | } |