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 | ||
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 | 494 | case BT_MESSAGE_ITERATOR_STATUS_END: /* Fall-through. */ |
ab11110e | 495 | /* |
b09a5592 | 496 | * Message iterator reached the end: release it. It |
ab11110e | 497 | * won't be considered again to find the youngest |
b09a5592 | 498 | * message. |
ab11110e | 499 | */ |
b09a5592 PP |
500 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(muxer_upstream_msg_iter->msg_iter); |
501 | status = BT_MESSAGE_ITERATOR_STATUS_OK; | |
089717de | 502 | break; |
ab11110e PP |
503 | default: |
504 | /* Error or unsupported status code */ | |
318fe670 PP |
505 | BT_LOGE("Error or unsupported status code: " |
506 | "status-code=%d", status); | |
b09a5592 | 507 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; |
089717de | 508 | break; |
ab11110e PP |
509 | } |
510 | ||
089717de | 511 | return status; |
ab11110e PP |
512 | } |
513 | ||
514 | static | |
b09a5592 PP |
515 | int muxer_msg_iter_handle_newly_connected_ports( |
516 | struct muxer_msg_iter *muxer_msg_iter) | |
ab11110e | 517 | { |
ab11110e PP |
518 | int ret = 0; |
519 | ||
318fe670 | 520 | BT_LOGV("Handling newly connected ports: " |
b09a5592 | 521 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
318fe670 | 522 | |
ab11110e | 523 | /* |
b09a5592 | 524 | * Here we create one upstream message iterator for each |
3fd7b79d | 525 | * newly connected port. We do NOT perform an initial "next" on |
b09a5592 | 526 | * those new upstream message iterators: they are |
089717de PP |
527 | * invalidated, to be validated later. The list of newly |
528 | * connected ports to handle here is updated by | |
529 | * muxer_port_connected(). | |
ab11110e PP |
530 | */ |
531 | while (true) { | |
b09a5592 | 532 | GList *node = muxer_msg_iter->newly_connected_self_ports; |
8eee8ea2 PP |
533 | bt_self_component_port_input *self_port; |
534 | const bt_port *port; | |
b09a5592 PP |
535 | bt_self_component_port_input_message_iterator * |
536 | upstream_msg_iter = NULL; | |
537 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter; | |
ab11110e PP |
538 | |
539 | if (!node) { | |
540 | break; | |
541 | } | |
542 | ||
834e9996 | 543 | self_port = node->data; |
bb61965b PP |
544 | port = bt_self_component_port_as_port( |
545 | bt_self_component_port_input_as_self_component_port( | |
834e9996 | 546 | (self_port))); |
8b45963b | 547 | BT_ASSERT(port); |
ab11110e PP |
548 | |
549 | if (!bt_port_is_connected(port)) { | |
550 | /* | |
551 | * Looks like this port is not connected | |
552 | * anymore: we can't create an upstream | |
b09a5592 | 553 | * message iterator on its (non-existing) |
089717de | 554 | * connection in this case. |
ab11110e PP |
555 | */ |
556 | goto remove_node; | |
557 | } | |
558 | ||
b09a5592 | 559 | upstream_msg_iter = create_msg_iter_on_input_port( |
834e9996 | 560 | self_port, &ret); |
ab11110e | 561 | if (ret) { |
b09a5592 PP |
562 | /* create_msg_iter_on_input_port() logs errors */ |
563 | BT_ASSERT(!upstream_msg_iter); | |
ab11110e PP |
564 | goto error; |
565 | } | |
566 | ||
b09a5592 PP |
567 | muxer_upstream_msg_iter = |
568 | muxer_msg_iter_add_upstream_msg_iter( | |
569 | muxer_msg_iter, upstream_msg_iter); | |
570 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(upstream_msg_iter); | |
571 | if (!muxer_upstream_msg_iter) { | |
318fe670 | 572 | /* |
b09a5592 | 573 | * muxer_msg_iter_add_upstream_msg_iter() |
318fe670 PP |
574 | * logs errors. |
575 | */ | |
ab11110e PP |
576 | goto error; |
577 | } | |
578 | ||
ab11110e | 579 | remove_node: |
b09a5592 PP |
580 | bt_self_component_port_input_message_iterator_put_ref(upstream_msg_iter); |
581 | muxer_msg_iter->newly_connected_self_ports = | |
ab11110e | 582 | g_list_delete_link( |
b09a5592 | 583 | muxer_msg_iter->newly_connected_self_ports, |
ab11110e PP |
584 | node); |
585 | } | |
586 | ||
587 | goto end; | |
588 | ||
589 | error: | |
089717de | 590 | if (ret >= 0) { |
ab11110e PP |
591 | ret = -1; |
592 | } | |
593 | ||
594 | end: | |
ab11110e PP |
595 | return ret; |
596 | } | |
597 | ||
958f7d11 | 598 | static |
b09a5592 PP |
599 | int get_msg_ts_ns(struct muxer_comp *muxer_comp, |
600 | struct muxer_msg_iter *muxer_msg_iter, | |
601 | const bt_message *msg, int64_t last_returned_ts_ns, | |
958f7d11 PP |
602 | int64_t *ts_ns) |
603 | { | |
8eee8ea2 | 604 | const bt_clock_class *clock_class = NULL; |
ecbb78c0 | 605 | const bt_clock_snapshot *clock_snapshot = NULL; |
8eee8ea2 | 606 | const bt_event *event = NULL; |
958f7d11 | 607 | int ret = 0; |
282c8cd0 | 608 | const unsigned char *cc_uuid; |
318fe670 | 609 | const char *cc_name; |
ee78f405 | 610 | bt_clock_snapshot_state cs_state = BT_CLOCK_SNAPSHOT_STATE_KNOWN; |
958f7d11 | 611 | |
b09a5592 | 612 | BT_ASSERT(msg); |
8b45963b | 613 | BT_ASSERT(ts_ns); |
958f7d11 | 614 | |
b09a5592 PP |
615 | BT_LOGV("Getting message's timestamp: " |
616 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
318fe670 | 617 | "last-returned-ts=%" PRId64, |
b09a5592 | 618 | muxer_msg_iter, msg, last_returned_ts_ns); |
318fe670 | 619 | |
b09a5592 PP |
620 | switch (bt_message_get_type(msg)) { |
621 | case BT_MESSAGE_TYPE_EVENT: | |
622 | event = bt_message_event_borrow_event_const(msg); | |
8fc063a2 | 623 | BT_ASSERT(event); |
a13b98e1 | 624 | cs_state = bt_event_borrow_default_clock_snapshot_const(event, |
ecbb78c0 | 625 | &clock_snapshot); |
958f7d11 PP |
626 | break; |
627 | ||
b09a5592 | 628 | case BT_MESSAGE_TYPE_INACTIVITY: |
a13b98e1 | 629 | cs_state = |
ecbb78c0 | 630 | bt_message_inactivity_borrow_default_clock_snapshot_const( |
a13b98e1 | 631 | msg, &clock_snapshot); |
958f7d11 PP |
632 | break; |
633 | default: | |
b09a5592 PP |
634 | /* All the other messages have a higher priority */ |
635 | BT_LOGV_STR("Message has no timestamp: using the last returned timestamp."); | |
958f7d11 PP |
636 | *ts_ns = last_returned_ts_ns; |
637 | goto end; | |
638 | } | |
639 | ||
a13b98e1 | 640 | if (cs_state != BT_CLOCK_SNAPSHOT_STATE_KNOWN) { |
ecbb78c0 | 641 | BT_LOGE_STR("Unsupported unknown clock snapshot."); |
7b33a0e0 PP |
642 | ret = -1; |
643 | goto end; | |
644 | } | |
645 | ||
958f7d11 | 646 | /* |
ecbb78c0 | 647 | * If the clock snapshot is missing, then we consider that this |
b09a5592 | 648 | * message has no time. In this case it's always the |
8fc063a2 | 649 | * youngest. |
958f7d11 | 650 | */ |
ecbb78c0 PP |
651 | if (!clock_snapshot) { |
652 | BT_LOGV_STR("Message's default clock snapshot is missing: " | |
318fe670 | 653 | "using the last returned timestamp."); |
958f7d11 PP |
654 | *ts_ns = last_returned_ts_ns; |
655 | goto end; | |
656 | } | |
657 | ||
ecbb78c0 | 658 | clock_class = bt_clock_snapshot_borrow_clock_class_const(clock_snapshot); |
8fc063a2 | 659 | BT_ASSERT(clock_class); |
839d52a5 PP |
660 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
661 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 | 662 | |
b09a5592 PP |
663 | if (muxer_msg_iter->clock_class_expectation == |
664 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
282c8cd0 PP |
665 | /* |
666 | * This is the first clock class that this muxer | |
b09a5592 | 667 | * message iterator encounters. Its properties |
282c8cd0 PP |
668 | * determine what to expect for the whole lifetime of |
669 | * the iterator without a true | |
670 | * `assume-absolute-clock-classes` parameter. | |
671 | */ | |
839d52a5 | 672 | if (bt_clock_class_is_absolute(clock_class)) { |
282c8cd0 | 673 | /* Expect absolute clock classes */ |
b09a5592 PP |
674 | muxer_msg_iter->clock_class_expectation = |
675 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
282c8cd0 PP |
676 | } else { |
677 | if (cc_uuid) { | |
678 | /* | |
679 | * Expect non-absolute clock classes | |
680 | * with a specific UUID. | |
681 | */ | |
b09a5592 PP |
682 | muxer_msg_iter->clock_class_expectation = |
683 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
684 | memcpy(muxer_msg_iter->expected_clock_class_uuid, | |
282c8cd0 PP |
685 | cc_uuid, BABELTRACE_UUID_LEN); |
686 | } else { | |
687 | /* | |
688 | * Expect non-absolute clock classes | |
689 | * with no UUID. | |
690 | */ | |
b09a5592 PP |
691 | muxer_msg_iter->clock_class_expectation = |
692 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
282c8cd0 PP |
693 | } |
694 | } | |
695 | } | |
696 | ||
697 | if (!muxer_comp->assume_absolute_clock_classes) { | |
b09a5592 PP |
698 | switch (muxer_msg_iter->clock_class_expectation) { |
699 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
839d52a5 | 700 | if (!bt_clock_class_is_absolute(clock_class)) { |
318fe670 PP |
701 | BT_LOGE("Expecting an absolute clock class, " |
702 | "but got a non-absolute one: " | |
703 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
704 | clock_class, cc_name); | |
282c8cd0 PP |
705 | goto error; |
706 | } | |
707 | break; | |
b09a5592 | 708 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: |
839d52a5 | 709 | if (bt_clock_class_is_absolute(clock_class)) { |
318fe670 PP |
710 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
711 | "but got an absolute one: " | |
712 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
713 | clock_class, cc_name); | |
282c8cd0 PP |
714 | goto error; |
715 | } | |
716 | ||
717 | if (cc_uuid) { | |
318fe670 PP |
718 | BT_LOGE("Expecting a non-absolute clock class with no UUID, " |
719 | "but got one with a UUID: " | |
720 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
721 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
722 | clock_class, cc_name, | |
723 | (unsigned int) cc_uuid[0], | |
724 | (unsigned int) cc_uuid[1], | |
725 | (unsigned int) cc_uuid[2], | |
726 | (unsigned int) cc_uuid[3], | |
727 | (unsigned int) cc_uuid[4], | |
728 | (unsigned int) cc_uuid[5], | |
729 | (unsigned int) cc_uuid[6], | |
730 | (unsigned int) cc_uuid[7], | |
731 | (unsigned int) cc_uuid[8], | |
732 | (unsigned int) cc_uuid[9], | |
733 | (unsigned int) cc_uuid[10], | |
734 | (unsigned int) cc_uuid[11], | |
735 | (unsigned int) cc_uuid[12], | |
736 | (unsigned int) cc_uuid[13], | |
737 | (unsigned int) cc_uuid[14], | |
738 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
739 | goto error; |
740 | } | |
741 | break; | |
b09a5592 | 742 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: |
839d52a5 | 743 | if (bt_clock_class_is_absolute(clock_class)) { |
318fe670 PP |
744 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
745 | "but got an absolute one: " | |
746 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
747 | clock_class, cc_name); | |
282c8cd0 PP |
748 | goto error; |
749 | } | |
750 | ||
751 | if (!cc_uuid) { | |
318fe670 PP |
752 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
753 | "but got one with no UUID: " | |
754 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
755 | clock_class, cc_name); | |
282c8cd0 PP |
756 | goto error; |
757 | } | |
758 | ||
b09a5592 | 759 | if (memcmp(muxer_msg_iter->expected_clock_class_uuid, |
282c8cd0 | 760 | cc_uuid, BABELTRACE_UUID_LEN) != 0) { |
318fe670 PP |
761 | BT_LOGE("Expecting a non-absolute clock class with a specific UUID, " |
762 | "but got one with different UUID: " | |
763 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
764 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
765 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", | |
766 | clock_class, cc_name, | |
b09a5592 PP |
767 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[0], |
768 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[1], | |
769 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[2], | |
770 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[3], | |
771 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[4], | |
772 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[5], | |
773 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[6], | |
774 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[7], | |
775 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[8], | |
776 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[9], | |
777 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[10], | |
778 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[11], | |
779 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[12], | |
780 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[13], | |
781 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[14], | |
782 | (unsigned int) muxer_msg_iter->expected_clock_class_uuid[15], | |
318fe670 PP |
783 | (unsigned int) cc_uuid[0], |
784 | (unsigned int) cc_uuid[1], | |
785 | (unsigned int) cc_uuid[2], | |
786 | (unsigned int) cc_uuid[3], | |
787 | (unsigned int) cc_uuid[4], | |
788 | (unsigned int) cc_uuid[5], | |
789 | (unsigned int) cc_uuid[6], | |
790 | (unsigned int) cc_uuid[7], | |
791 | (unsigned int) cc_uuid[8], | |
792 | (unsigned int) cc_uuid[9], | |
793 | (unsigned int) cc_uuid[10], | |
794 | (unsigned int) cc_uuid[11], | |
795 | (unsigned int) cc_uuid[12], | |
796 | (unsigned int) cc_uuid[13], | |
797 | (unsigned int) cc_uuid[14], | |
798 | (unsigned int) cc_uuid[15]); | |
282c8cd0 PP |
799 | goto error; |
800 | } | |
801 | break; | |
802 | default: | |
803 | /* Unexpected */ | |
318fe670 PP |
804 | BT_LOGF("Unexpected clock class expectation: " |
805 | "expectation-code=%d", | |
b09a5592 | 806 | muxer_msg_iter->clock_class_expectation); |
282c8cd0 PP |
807 | abort(); |
808 | } | |
958f7d11 PP |
809 | } |
810 | ||
ecbb78c0 | 811 | ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns); |
958f7d11 | 812 | if (ret) { |
ecbb78c0 PP |
813 | BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: " |
814 | "clock-snapshot-addr=%p", clock_snapshot); | |
958f7d11 PP |
815 | goto error; |
816 | } | |
817 | ||
818 | goto end; | |
819 | ||
820 | error: | |
821 | ret = -1; | |
822 | ||
823 | end: | |
318fe670 | 824 | if (ret == 0) { |
b09a5592 PP |
825 | BT_LOGV("Found message's timestamp: " |
826 | "muxer-msg-iter-addr=%p, msg-addr=%p, " | |
318fe670 | 827 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, |
b09a5592 | 828 | muxer_msg_iter, msg, last_returned_ts_ns, |
318fe670 PP |
829 | *ts_ns); |
830 | } | |
831 | ||
958f7d11 PP |
832 | return ret; |
833 | } | |
834 | ||
ab11110e | 835 | /* |
b09a5592 PP |
836 | * This function finds the youngest available message amongst the |
837 | * non-ended upstream message iterators and returns the upstream | |
838 | * message iterator which has it, or | |
839 | * BT_MESSAGE_ITERATOR_STATUS_END if there's no available | |
840 | * message. | |
ab11110e PP |
841 | * |
842 | * This function does NOT: | |
843 | * | |
b09a5592 | 844 | * * Update any upstream message iterator. |
ab11110e | 845 | * * Check for newly connected ports. |
b09a5592 | 846 | * * Check the upstream message iterators to retry. |
ab11110e | 847 | * |
b09a5592 PP |
848 | * On sucess, this function sets *muxer_upstream_msg_iter to the |
849 | * upstream message iterator of which the current message is | |
ab11110e PP |
850 | * the youngest, and sets *ts_ns to its time. |
851 | */ | |
958f7d11 | 852 | static |
ee78f405 | 853 | bt_message_iterator_status |
b09a5592 | 854 | muxer_msg_iter_youngest_upstream_msg_iter( |
958f7d11 | 855 | struct muxer_comp *muxer_comp, |
b09a5592 PP |
856 | struct muxer_msg_iter *muxer_msg_iter, |
857 | struct muxer_upstream_msg_iter **muxer_upstream_msg_iter, | |
958f7d11 PP |
858 | int64_t *ts_ns) |
859 | { | |
860 | size_t i; | |
861 | int ret; | |
862 | int64_t youngest_ts_ns = INT64_MAX; | |
ee78f405 | 863 | bt_message_iterator_status status = |
b09a5592 | 864 | BT_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 | 865 | |
8b45963b | 866 | BT_ASSERT(muxer_comp); |
b09a5592 PP |
867 | BT_ASSERT(muxer_msg_iter); |
868 | BT_ASSERT(muxer_upstream_msg_iter); | |
869 | *muxer_upstream_msg_iter = NULL; | |
870 | ||
871 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { | |
872 | const bt_message *msg; | |
873 | struct muxer_upstream_msg_iter *cur_muxer_upstream_msg_iter = | |
874 | g_ptr_array_index(muxer_msg_iter->muxer_upstream_msg_iters, i); | |
875 | int64_t msg_ts_ns; | |
876 | ||
877 | if (!cur_muxer_upstream_msg_iter->msg_iter) { | |
878 | /* This upstream message iterator is ended */ | |
879 | BT_LOGV("Skipping ended upstream message iterator: " | |
880 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
881 | cur_muxer_upstream_msg_iter); | |
958f7d11 PP |
882 | continue; |
883 | } | |
884 | ||
b09a5592 PP |
885 | BT_ASSERT(cur_muxer_upstream_msg_iter->msgs->length > 0); |
886 | msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs); | |
887 | BT_ASSERT(msg); | |
888 | ret = get_msg_ts_ns(muxer_comp, muxer_msg_iter, msg, | |
889 | muxer_msg_iter->last_returned_ts_ns, &msg_ts_ns); | |
958f7d11 | 890 | if (ret) { |
b09a5592 PP |
891 | /* get_msg_ts_ns() logs errors */ |
892 | *muxer_upstream_msg_iter = NULL; | |
893 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
958f7d11 PP |
894 | goto end; |
895 | } | |
896 | ||
b09a5592 PP |
897 | if (msg_ts_ns <= youngest_ts_ns) { |
898 | *muxer_upstream_msg_iter = | |
899 | cur_muxer_upstream_msg_iter; | |
900 | youngest_ts_ns = msg_ts_ns; | |
958f7d11 PP |
901 | *ts_ns = youngest_ts_ns; |
902 | } | |
903 | } | |
904 | ||
b09a5592 PP |
905 | if (!*muxer_upstream_msg_iter) { |
906 | status = BT_MESSAGE_ITERATOR_STATUS_END; | |
958f7d11 PP |
907 | *ts_ns = INT64_MIN; |
908 | } | |
909 | ||
910 | end: | |
911 | return status; | |
912 | } | |
913 | ||
914 | static | |
ee78f405 | 915 | bt_message_iterator_status validate_muxer_upstream_msg_iter( |
b09a5592 | 916 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) |
958f7d11 | 917 | { |
ee78f405 | 918 | bt_message_iterator_status status = |
b09a5592 | 919 | BT_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 | 920 | |
b09a5592 PP |
921 | BT_LOGV("Validating muxer's upstream message iterator wrapper: " |
922 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
923 | muxer_upstream_msg_iter); | |
318fe670 | 924 | |
b09a5592 PP |
925 | if (muxer_upstream_msg_iter->msgs->length > 0 || |
926 | !muxer_upstream_msg_iter->msg_iter) { | |
3fd7b79d | 927 | BT_LOGV("Already valid or not considered: " |
b09a5592 PP |
928 | "queue-len=%u, upstream-msg-iter-addr=%p", |
929 | muxer_upstream_msg_iter->msgs->length, | |
930 | muxer_upstream_msg_iter->msg_iter); | |
ab11110e PP |
931 | goto end; |
932 | } | |
933 | ||
b09a5592 PP |
934 | /* muxer_upstream_msg_iter_next() logs details/errors */ |
935 | status = muxer_upstream_msg_iter_next(muxer_upstream_msg_iter); | |
089717de PP |
936 | |
937 | end: | |
938 | return status; | |
939 | } | |
940 | ||
941 | static | |
ee78f405 | 942 | bt_message_iterator_status validate_muxer_upstream_msg_iters( |
b09a5592 | 943 | struct muxer_msg_iter *muxer_msg_iter) |
089717de | 944 | { |
ee78f405 | 945 | bt_message_iterator_status status = |
b09a5592 | 946 | BT_MESSAGE_ITERATOR_STATUS_OK; |
089717de PP |
947 | size_t i; |
948 | ||
b09a5592 PP |
949 | BT_LOGV("Validating muxer's upstream message iterator wrappers: " |
950 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
318fe670 | 951 | |
b09a5592 PP |
952 | for (i = 0; i < muxer_msg_iter->muxer_upstream_msg_iters->len; i++) { |
953 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = | |
089717de | 954 | g_ptr_array_index( |
b09a5592 | 955 | muxer_msg_iter->muxer_upstream_msg_iters, |
089717de PP |
956 | i); |
957 | ||
b09a5592 PP |
958 | status = validate_muxer_upstream_msg_iter( |
959 | muxer_upstream_msg_iter); | |
960 | if (status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
318fe670 | 961 | if (status < 0) { |
b09a5592 PP |
962 | BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: " |
963 | "muxer-msg-iter-addr=%p, " | |
964 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
965 | muxer_msg_iter, | |
966 | muxer_upstream_msg_iter); | |
318fe670 | 967 | } else { |
b09a5592 PP |
968 | BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: " |
969 | "muxer-msg-iter-addr=%p, " | |
970 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
971 | muxer_msg_iter, | |
972 | muxer_upstream_msg_iter); | |
318fe670 PP |
973 | } |
974 | ||
089717de PP |
975 | goto end; |
976 | } | |
744ba28b PP |
977 | |
978 | /* | |
b09a5592 | 979 | * Remove this muxer upstream message iterator |
744ba28b PP |
980 | * if it's ended or canceled. |
981 | */ | |
b09a5592 | 982 | if (!muxer_upstream_msg_iter->msg_iter) { |
744ba28b PP |
983 | /* |
984 | * Use g_ptr_array_remove_fast() because the | |
985 | * order of those elements is not important. | |
986 | */ | |
b09a5592 PP |
987 | BT_LOGV("Removing muxer's upstream message iterator wrapper: ended or canceled: " |
988 | "muxer-msg-iter-addr=%p, " | |
989 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
990 | muxer_msg_iter, muxer_upstream_msg_iter); | |
744ba28b | 991 | g_ptr_array_remove_index_fast( |
b09a5592 | 992 | muxer_msg_iter->muxer_upstream_msg_iters, |
744ba28b PP |
993 | i); |
994 | i--; | |
995 | } | |
089717de PP |
996 | } |
997 | ||
998 | end: | |
999 | return status; | |
1000 | } | |
1001 | ||
3fd7b79d | 1002 | static inline |
ee78f405 | 1003 | bt_message_iterator_status muxer_msg_iter_do_next_one( |
089717de | 1004 | struct muxer_comp *muxer_comp, |
b09a5592 PP |
1005 | struct muxer_msg_iter *muxer_msg_iter, |
1006 | const bt_message **msg) | |
089717de | 1007 | { |
ee78f405 | 1008 | bt_message_iterator_status status = |
b09a5592 PP |
1009 | BT_MESSAGE_ITERATOR_STATUS_OK; |
1010 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL; | |
089717de PP |
1011 | int64_t next_return_ts; |
1012 | ||
1013 | while (true) { | |
b09a5592 PP |
1014 | int ret = muxer_msg_iter_handle_newly_connected_ports( |
1015 | muxer_msg_iter); | |
089717de PP |
1016 | |
1017 | if (ret) { | |
b09a5592 PP |
1018 | BT_LOGE("Cannot handle newly connected input ports for muxer's message iterator: " |
1019 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
318fe670 | 1020 | "ret=%d", |
b09a5592 PP |
1021 | muxer_comp, muxer_msg_iter, ret); |
1022 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
089717de PP |
1023 | goto end; |
1024 | } | |
1025 | ||
b09a5592 PP |
1026 | status = validate_muxer_upstream_msg_iters(muxer_msg_iter); |
1027 | if (status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
1028 | /* validate_muxer_upstream_msg_iters() logs details */ | |
089717de PP |
1029 | goto end; |
1030 | } | |
ab11110e | 1031 | |
958f7d11 | 1032 | /* |
089717de | 1033 | * At this point, we know that all the existing upstream |
b09a5592 | 1034 | * message iterators are valid. However the |
089717de | 1035 | * operations to validate them (during |
b09a5592 | 1036 | * validate_muxer_upstream_msg_iters()) may have |
089717de PP |
1037 | * connected new ports. If no ports were connected |
1038 | * during this operation, exit the loop. | |
958f7d11 | 1039 | */ |
b09a5592 PP |
1040 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1041 | BT_LOGV("Not breaking this loop: muxer's message iterator still has newly connected input ports to handle: " | |
318fe670 | 1042 | "muxer-comp-addr=%p", muxer_comp); |
089717de PP |
1043 | break; |
1044 | } | |
958f7d11 PP |
1045 | } |
1046 | ||
b09a5592 | 1047 | BT_ASSERT(!muxer_msg_iter->newly_connected_self_ports); |
089717de | 1048 | |
958f7d11 | 1049 | /* |
089717de | 1050 | * At this point we know that all the existing upstream |
b09a5592 PP |
1051 | * message iterators are valid. We can find the one, |
1052 | * amongst those, of which the current message is the | |
089717de | 1053 | * youngest. |
958f7d11 | 1054 | */ |
b09a5592 PP |
1055 | status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp, |
1056 | muxer_msg_iter, &muxer_upstream_msg_iter, | |
089717de | 1057 | &next_return_ts); |
904860cb | 1058 | if (status < 0 || status == BT_MESSAGE_ITERATOR_STATUS_END) { |
3fd7b79d | 1059 | if (status < 0) { |
b09a5592 | 1060 | BT_LOGE("Cannot find the youngest upstream message iterator wrapper: " |
318fe670 | 1061 | "status=%s", |
b09a5592 | 1062 | bt_message_iterator_status_string(status)); |
318fe670 | 1063 | } else { |
b09a5592 | 1064 | BT_LOGV("Cannot find the youngest upstream message iterator wrapper: " |
318fe670 | 1065 | "status=%s", |
b09a5592 | 1066 | bt_message_iterator_status_string(status)); |
318fe670 PP |
1067 | } |
1068 | ||
958f7d11 PP |
1069 | goto end; |
1070 | } | |
1071 | ||
b09a5592 PP |
1072 | if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) { |
1073 | BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: " | |
1074 | "muxer-msg-iter-addr=%p, ts=%" PRId64 ", " | |
318fe670 | 1075 | "last-returned-ts=%" PRId64, |
b09a5592 PP |
1076 | muxer_msg_iter, next_return_ts, |
1077 | muxer_msg_iter->last_returned_ts_ns); | |
1078 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
958f7d11 PP |
1079 | goto end; |
1080 | } | |
1081 | ||
b09a5592 PP |
1082 | BT_LOGV("Found youngest upstream message iterator wrapper: " |
1083 | "muxer-msg-iter-addr=%p, " | |
1084 | "muxer-upstream-msg-iter-wrap-addr=%p, " | |
318fe670 | 1085 | "ts=%" PRId64, |
b09a5592 PP |
1086 | muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts); |
1087 | BT_ASSERT(status == BT_MESSAGE_ITERATOR_STATUS_OK); | |
1088 | BT_ASSERT(muxer_upstream_msg_iter); | |
958f7d11 PP |
1089 | |
1090 | /* | |
3fd7b79d | 1091 | * Consume from the queue's head: other side |
b09a5592 | 1092 | * (muxer_upstream_msg_iter_next()) writes to the tail. |
958f7d11 | 1093 | */ |
b09a5592 PP |
1094 | *msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs); |
1095 | BT_ASSERT(*msg); | |
1096 | muxer_msg_iter->last_returned_ts_ns = next_return_ts; | |
958f7d11 PP |
1097 | |
1098 | end: | |
3fd7b79d PP |
1099 | return status; |
1100 | } | |
1101 | ||
1102 | static | |
ee78f405 | 1103 | bt_message_iterator_status muxer_msg_iter_do_next( |
3fd7b79d | 1104 | struct muxer_comp *muxer_comp, |
b09a5592 PP |
1105 | struct muxer_msg_iter *muxer_msg_iter, |
1106 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d PP |
1107 | uint64_t *count) |
1108 | { | |
ee78f405 | 1109 | bt_message_iterator_status status = |
b09a5592 | 1110 | BT_MESSAGE_ITERATOR_STATUS_OK; |
3fd7b79d PP |
1111 | uint64_t i = 0; |
1112 | ||
b09a5592 PP |
1113 | while (i < capacity && status == BT_MESSAGE_ITERATOR_STATUS_OK) { |
1114 | status = muxer_msg_iter_do_next_one(muxer_comp, | |
1115 | muxer_msg_iter, &msgs[i]); | |
1116 | if (status == BT_MESSAGE_ITERATOR_STATUS_OK) { | |
3fd7b79d PP |
1117 | i++; |
1118 | } | |
1119 | } | |
1120 | ||
1121 | if (i > 0) { | |
1122 | /* | |
b09a5592 | 1123 | * Even if muxer_msg_iter_do_next_one() returned |
3fd7b79d | 1124 | * something else than |
b09a5592 PP |
1125 | * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated |
1126 | * message objects in the output message | |
3fd7b79d | 1127 | * array, so we need to return |
b09a5592 | 1128 | * BT_MESSAGE_ITERATOR_STATUS_OK so that they are |
3fd7b79d | 1129 | * transfered to downstream. This other status occurs |
b09a5592 | 1130 | * again the next time muxer_msg_iter_do_next() is |
3fd7b79d | 1131 | * called, possibly without any accumulated |
b09a5592 | 1132 | * message, in which case we'll return it. |
3fd7b79d PP |
1133 | */ |
1134 | *count = i; | |
b09a5592 | 1135 | status = BT_MESSAGE_ITERATOR_STATUS_OK; |
3fd7b79d PP |
1136 | } |
1137 | ||
1138 | return status; | |
958f7d11 PP |
1139 | } |
1140 | ||
1141 | static | |
b09a5592 | 1142 | void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter) |
ab11110e | 1143 | { |
b09a5592 | 1144 | if (!muxer_msg_iter) { |
ab11110e PP |
1145 | return; |
1146 | } | |
1147 | ||
b09a5592 PP |
1148 | BT_LOGD("Destroying muxer component's message iterator: " |
1149 | "muxer-msg-iter-addr=%p", muxer_msg_iter); | |
318fe670 | 1150 | |
b09a5592 PP |
1151 | if (muxer_msg_iter->muxer_upstream_msg_iters) { |
1152 | BT_LOGD_STR("Destroying muxer's upstream message iterator wrappers."); | |
ab11110e | 1153 | g_ptr_array_free( |
b09a5592 | 1154 | muxer_msg_iter->muxer_upstream_msg_iters, TRUE); |
ab11110e PP |
1155 | } |
1156 | ||
b09a5592 PP |
1157 | g_list_free(muxer_msg_iter->newly_connected_self_ports); |
1158 | g_free(muxer_msg_iter); | |
ab11110e PP |
1159 | } |
1160 | ||
1161 | static | |
b09a5592 PP |
1162 | int muxer_msg_iter_init_newly_connected_ports(struct muxer_comp *muxer_comp, |
1163 | struct muxer_msg_iter *muxer_msg_iter) | |
958f7d11 | 1164 | { |
544d0515 PP |
1165 | int64_t count; |
1166 | int64_t i; | |
ab11110e | 1167 | int ret = 0; |
958f7d11 | 1168 | |
ab11110e | 1169 | /* |
b09a5592 | 1170 | * Add the connected input ports to this muxer message |
ab11110e | 1171 | * iterator's list of newly connected ports. They will be |
b09a5592 | 1172 | * handled by muxer_msg_iter_handle_newly_connected_ports(). |
ab11110e | 1173 | */ |
834e9996 | 1174 | count = bt_component_filter_get_input_port_count( |
bb61965b | 1175 | bt_self_component_filter_as_component_filter( |
834e9996 | 1176 | muxer_comp->self_comp)); |
544d0515 | 1177 | if (count < 0) { |
b09a5592 PP |
1178 | BT_LOGD("No input port to initialize for muxer component's message iterator: " |
1179 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p", | |
1180 | muxer_comp, muxer_msg_iter); | |
ab11110e PP |
1181 | goto end; |
1182 | } | |
958f7d11 PP |
1183 | |
1184 | for (i = 0; i < count; i++) { | |
8eee8ea2 | 1185 | bt_self_component_port_input *self_port = |
834e9996 PP |
1186 | bt_self_component_filter_borrow_input_port_by_index( |
1187 | muxer_comp->self_comp, i); | |
8eee8ea2 | 1188 | const bt_port *port; |
958f7d11 | 1189 | |
834e9996 | 1190 | BT_ASSERT(self_port); |
bb61965b PP |
1191 | port = bt_self_component_port_as_port( |
1192 | bt_self_component_port_input_as_self_component_port( | |
834e9996 | 1193 | self_port)); |
8b45963b | 1194 | BT_ASSERT(port); |
958f7d11 PP |
1195 | |
1196 | if (!bt_port_is_connected(port)) { | |
318fe670 PP |
1197 | BT_LOGD("Skipping input port: not connected: " |
1198 | "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"", | |
1199 | muxer_comp, port, bt_port_get_name(port)); | |
958f7d11 PP |
1200 | continue; |
1201 | } | |
1202 | ||
b09a5592 | 1203 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1204 | g_list_append( |
b09a5592 | 1205 | muxer_msg_iter->newly_connected_self_ports, |
834e9996 | 1206 | self_port); |
b09a5592 PP |
1207 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1208 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
318fe670 | 1209 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1210 | "muxer-msg-iter-addr=%p", port, |
1211 | bt_port_get_name(port), muxer_msg_iter); | |
ab11110e PP |
1212 | ret = -1; |
1213 | goto end; | |
958f7d11 | 1214 | } |
318fe670 | 1215 | |
b09a5592 | 1216 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
318fe670 | 1217 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1218 | "muxer-msg-iter-addr=%p", port, |
1219 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1220 | } |
1221 | ||
1222 | end: | |
958f7d11 PP |
1223 | return ret; |
1224 | } | |
1225 | ||
958f7d11 | 1226 | BT_HIDDEN |
ee78f405 | 1227 | bt_self_message_iterator_status muxer_msg_iter_init( |
b09a5592 | 1228 | bt_self_message_iterator *self_msg_iter, |
8eee8ea2 PP |
1229 | bt_self_component_filter *self_comp, |
1230 | bt_self_component_port_output *port) | |
958f7d11 PP |
1231 | { |
1232 | struct muxer_comp *muxer_comp = NULL; | |
b09a5592 | 1233 | struct muxer_msg_iter *muxer_msg_iter = NULL; |
ee78f405 | 1234 | bt_self_message_iterator_status status = |
b09a5592 | 1235 | BT_MESSAGE_ITERATOR_STATUS_OK; |
958f7d11 PP |
1236 | int ret; |
1237 | ||
834e9996 | 1238 | muxer_comp = bt_self_component_get_data( |
bb61965b | 1239 | bt_self_component_filter_as_self_component(self_comp)); |
8b45963b | 1240 | BT_ASSERT(muxer_comp); |
b09a5592 PP |
1241 | BT_LOGD("Initializing muxer component's message iterator: " |
1242 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1243 | self_comp, muxer_comp, self_msg_iter); | |
a09c6b95 | 1244 | |
b09a5592 | 1245 | if (muxer_comp->initializing_muxer_msg_iter) { |
a09c6b95 | 1246 | /* |
089717de | 1247 | * Weird, unhandled situation detected: downstream |
b09a5592 PP |
1248 | * creates a muxer message iterator while creating |
1249 | * another muxer message iterator (same component). | |
a09c6b95 | 1250 | */ |
b09a5592 PP |
1251 | BT_LOGE("Recursive initialization of muxer component's message iterator: " |
1252 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", | |
1253 | self_comp, muxer_comp, self_msg_iter); | |
958f7d11 PP |
1254 | goto error; |
1255 | } | |
1256 | ||
b09a5592 PP |
1257 | muxer_comp->initializing_muxer_msg_iter = true; |
1258 | muxer_msg_iter = g_new0(struct muxer_msg_iter, 1); | |
1259 | if (!muxer_msg_iter) { | |
1260 | BT_LOGE_STR("Failed to allocate one muxer component's message iterator."); | |
ab11110e PP |
1261 | goto error; |
1262 | } | |
1263 | ||
b09a5592 PP |
1264 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
1265 | muxer_msg_iter->muxer_upstream_msg_iters = | |
958f7d11 | 1266 | g_ptr_array_new_with_free_func( |
b09a5592 PP |
1267 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); |
1268 | if (!muxer_msg_iter->muxer_upstream_msg_iters) { | |
318fe670 | 1269 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
958f7d11 PP |
1270 | goto error; |
1271 | } | |
1272 | ||
a09c6b95 | 1273 | /* |
b09a5592 PP |
1274 | * Add the muxer message iterator to the component's array |
1275 | * of muxer message iterators here because | |
1276 | * muxer_msg_iter_init_newly_connected_ports() can cause | |
a09c6b95 | 1277 | * muxer_port_connected() to be called, which adds the newly |
b09a5592 | 1278 | * connected port to each muxer message iterator's list of |
a09c6b95 PP |
1279 | * newly connected ports. |
1280 | */ | |
b09a5592 PP |
1281 | g_ptr_array_add(muxer_comp->muxer_msg_iters, muxer_msg_iter); |
1282 | ret = muxer_msg_iter_init_newly_connected_ports(muxer_comp, | |
1283 | muxer_msg_iter); | |
a09c6b95 | 1284 | if (ret) { |
b09a5592 | 1285 | BT_LOGE("Cannot initialize newly connected input ports for muxer component's message iterator: " |
318fe670 | 1286 | "comp-addr=%p, muxer-comp-addr=%p, " |
b09a5592 PP |
1287 | "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d", |
1288 | self_comp, muxer_comp, muxer_msg_iter, | |
1289 | self_msg_iter, ret); | |
a09c6b95 PP |
1290 | goto error; |
1291 | } | |
1292 | ||
b09a5592 PP |
1293 | bt_self_message_iterator_set_data(self_msg_iter, |
1294 | muxer_msg_iter); | |
1295 | BT_LOGD("Initialized muxer component's message iterator: " | |
1296 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1297 | "msg-iter-addr=%p", | |
1298 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1299 | goto end; |
1300 | ||
1301 | error: | |
b09a5592 PP |
1302 | if (g_ptr_array_index(muxer_comp->muxer_msg_iters, |
1303 | muxer_comp->muxer_msg_iters->len - 1) == muxer_msg_iter) { | |
1304 | g_ptr_array_remove_index(muxer_comp->muxer_msg_iters, | |
1305 | muxer_comp->muxer_msg_iters->len - 1); | |
a09c6b95 PP |
1306 | } |
1307 | ||
b09a5592 PP |
1308 | destroy_muxer_msg_iter(muxer_msg_iter); |
1309 | bt_self_message_iterator_set_data(self_msg_iter, | |
958f7d11 | 1310 | NULL); |
b09a5592 | 1311 | status = BT_MESSAGE_ITERATOR_STATUS_ERROR; |
958f7d11 PP |
1312 | |
1313 | end: | |
b09a5592 | 1314 | muxer_comp->initializing_muxer_msg_iter = false; |
958f7d11 PP |
1315 | return status; |
1316 | } | |
1317 | ||
1318 | BT_HIDDEN | |
b09a5592 PP |
1319 | void muxer_msg_iter_finalize( |
1320 | bt_self_message_iterator *self_msg_iter) | |
958f7d11 | 1321 | { |
b09a5592 PP |
1322 | struct muxer_msg_iter *muxer_msg_iter = |
1323 | bt_self_message_iterator_get_data(self_msg_iter); | |
8eee8ea2 | 1324 | bt_self_component *self_comp = NULL; |
958f7d11 PP |
1325 | struct muxer_comp *muxer_comp = NULL; |
1326 | ||
b09a5592 PP |
1327 | self_comp = bt_self_message_iterator_borrow_component( |
1328 | self_msg_iter); | |
834e9996 PP |
1329 | BT_ASSERT(self_comp); |
1330 | muxer_comp = bt_self_component_get_data(self_comp); | |
b09a5592 PP |
1331 | BT_LOGD("Finalizing muxer component's message iterator: " |
1332 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1333 | "msg-iter-addr=%p", | |
1334 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1335 | |
1336 | if (muxer_comp) { | |
b09a5592 PP |
1337 | (void) g_ptr_array_remove_fast(muxer_comp->muxer_msg_iters, |
1338 | muxer_msg_iter); | |
1339 | destroy_muxer_msg_iter(muxer_msg_iter); | |
958f7d11 | 1340 | } |
958f7d11 PP |
1341 | } |
1342 | ||
1343 | BT_HIDDEN | |
ee78f405 | 1344 | bt_message_iterator_status muxer_msg_iter_next( |
b09a5592 PP |
1345 | bt_self_message_iterator *self_msg_iter, |
1346 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d | 1347 | uint64_t *count) |
958f7d11 | 1348 | { |
ee78f405 | 1349 | bt_message_iterator_status status; |
b09a5592 PP |
1350 | struct muxer_msg_iter *muxer_msg_iter = |
1351 | bt_self_message_iterator_get_data(self_msg_iter); | |
8eee8ea2 | 1352 | bt_self_component *self_comp = NULL; |
958f7d11 | 1353 | struct muxer_comp *muxer_comp = NULL; |
958f7d11 | 1354 | |
b09a5592 PP |
1355 | BT_ASSERT(muxer_msg_iter); |
1356 | self_comp = bt_self_message_iterator_borrow_component( | |
1357 | self_msg_iter); | |
834e9996 PP |
1358 | BT_ASSERT(self_comp); |
1359 | muxer_comp = bt_self_component_get_data(self_comp); | |
8b45963b | 1360 | BT_ASSERT(muxer_comp); |
b09a5592 PP |
1361 | BT_LOGV("Muxer component's message iterator's \"next\" method called: " |
1362 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1363 | "msg-iter-addr=%p", | |
1364 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
318fe670 | 1365 | |
b09a5592 PP |
1366 | status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter, |
1367 | msgs, capacity, count); | |
3fd7b79d | 1368 | if (status < 0) { |
b09a5592 PP |
1369 | BT_LOGE("Cannot get next message: " |
1370 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " | |
1371 | "msg-iter-addr=%p, status=%s", | |
1372 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter, | |
1373 | bt_message_iterator_status_string(status)); | |
318fe670 | 1374 | } else { |
b09a5592 | 1375 | BT_LOGV("Returning from muxer component's message iterator's \"next\" method: " |
3fd7b79d | 1376 | "status=%s", |
b09a5592 | 1377 | bt_message_iterator_status_string(status)); |
318fe670 | 1378 | } |
958f7d11 | 1379 | |
3fd7b79d | 1380 | return status; |
958f7d11 PP |
1381 | } |
1382 | ||
1383 | BT_HIDDEN | |
ee78f405 | 1384 | bt_self_component_status muxer_input_port_connected( |
8eee8ea2 PP |
1385 | bt_self_component_filter *self_comp, |
1386 | bt_self_component_port_input *self_port, | |
1387 | const bt_port_output *other_port) | |
958f7d11 | 1388 | { |
ee78f405 | 1389 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
8eee8ea2 | 1390 | const bt_port *port = bt_self_component_port_as_port( |
bb61965b | 1391 | bt_self_component_port_input_as_self_component_port( |
834e9996 | 1392 | self_port)); |
958f7d11 | 1393 | struct muxer_comp *muxer_comp = |
834e9996 | 1394 | bt_self_component_get_data( |
bb61965b | 1395 | bt_self_component_filter_as_self_component( |
834e9996 | 1396 | self_comp)); |
958f7d11 | 1397 | size_t i; |
06a2cb0d | 1398 | int ret; |
958f7d11 | 1399 | |
834e9996 | 1400 | BT_ASSERT(port); |
8b45963b | 1401 | BT_ASSERT(muxer_comp); |
318fe670 PP |
1402 | BT_LOGD("Port connected: " |
1403 | "comp-addr=%p, muxer-comp-addr=%p, " | |
1404 | "port-addr=%p, port-name=\"%s\", " | |
1405 | "other-port-addr=%p, other-port-name=\"%s\"", | |
834e9996 PP |
1406 | self_comp, muxer_comp, self_port, bt_port_get_name(port), |
1407 | other_port, | |
7b53201c | 1408 | bt_port_get_name(bt_port_output_as_port_const(other_port))); |
958f7d11 | 1409 | |
b09a5592 PP |
1410 | for (i = 0; i < muxer_comp->muxer_msg_iters->len; i++) { |
1411 | struct muxer_msg_iter *muxer_msg_iter = | |
1412 | g_ptr_array_index(muxer_comp->muxer_msg_iters, i); | |
958f7d11 PP |
1413 | |
1414 | /* | |
ab11110e | 1415 | * Add this port to the list of newly connected ports |
b09a5592 | 1416 | * for this muxer message iterator. We append at |
ab11110e | 1417 | * the end of this list while |
b09a5592 | 1418 | * muxer_msg_iter_handle_newly_connected_ports() |
ab11110e | 1419 | * removes the nodes from the beginning. |
958f7d11 | 1420 | */ |
b09a5592 | 1421 | muxer_msg_iter->newly_connected_self_ports = |
ab11110e | 1422 | g_list_append( |
b09a5592 | 1423 | muxer_msg_iter->newly_connected_self_ports, |
834e9996 | 1424 | self_port); |
b09a5592 PP |
1425 | if (!muxer_msg_iter->newly_connected_self_ports) { |
1426 | BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: " | |
318fe670 | 1427 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1428 | "muxer-msg-iter-addr=%p", self_port, |
1429 | bt_port_get_name(port), muxer_msg_iter); | |
834e9996 | 1430 | status = BT_SELF_COMPONENT_STATUS_ERROR; |
958f7d11 PP |
1431 | goto end; |
1432 | } | |
318fe670 | 1433 | |
b09a5592 | 1434 | BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: " |
318fe670 | 1435 | "port-addr=%p, port-name=\"%s\", " |
b09a5592 PP |
1436 | "muxer-msg-iter-addr=%p", self_port, |
1437 | bt_port_get_name(port), muxer_msg_iter); | |
958f7d11 PP |
1438 | } |
1439 | ||
06a2cb0d PP |
1440 | /* One less available input port */ |
1441 | muxer_comp->available_input_ports--; | |
834e9996 | 1442 | ret = ensure_available_input_port(self_comp); |
06a2cb0d PP |
1443 | if (ret) { |
1444 | /* | |
1445 | * Only way to report an error later since this | |
1446 | * method does not return anything. | |
1447 | */ | |
318fe670 PP |
1448 | BT_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
1449 | "muxer-comp-addr=%p, status=%s", | |
834e9996 PP |
1450 | muxer_comp, bt_self_component_status_string(ret)); |
1451 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
06a2cb0d PP |
1452 | goto end; |
1453 | } | |
1454 | ||
958f7d11 | 1455 | end: |
634f394c | 1456 | return status; |
958f7d11 PP |
1457 | } |
1458 | ||
1459 | BT_HIDDEN | |
834e9996 | 1460 | void muxer_input_port_disconnected( |
8eee8ea2 PP |
1461 | bt_self_component_filter *self_component, |
1462 | bt_self_component_port_input *self_port) | |
958f7d11 | 1463 | { |
958f7d11 | 1464 | struct muxer_comp *muxer_comp = |
834e9996 | 1465 | bt_self_component_get_data( |
bb61965b | 1466 | bt_self_component_filter_as_self_component( |
834e9996 | 1467 | self_component)); |
8eee8ea2 | 1468 | const bt_port *port = |
bb61965b PP |
1469 | bt_self_component_port_as_port( |
1470 | bt_self_component_port_input_as_self_component_port( | |
834e9996 | 1471 | self_port)); |
958f7d11 | 1472 | |
8b45963b PP |
1473 | BT_ASSERT(port); |
1474 | BT_ASSERT(muxer_comp); | |
958f7d11 | 1475 | |
834e9996 PP |
1476 | /* One more available input port */ |
1477 | muxer_comp->available_input_ports++; | |
1478 | BT_LOGD("Leaving disconnected input port available for future connections: " | |
1479 | "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, " | |
1480 | "port-name=\"%s\", avail-input-port-count=%zu", | |
1481 | self_component, muxer_comp, port, bt_port_get_name(port), | |
1482 | muxer_comp->available_input_ports); | |
958f7d11 | 1483 | } |