Commit | Line | Data |
---|---|---|
958f7d11 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
958f7d11 | 3 | * |
0235b0db | 4 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> |
958f7d11 PP |
5 | */ |
6 | ||
5b6473ec | 7 | #define BT_COMP_LOG_SELF_COMP (muxer_comp->self_comp) |
87ec3926 | 8 | #define BT_LOG_OUTPUT_LEVEL (muxer_comp->log_level) |
350ad6c1 | 9 | #define BT_LOG_TAG "PLUGIN/FLT.UTILS.MUXER" |
d9c39b0a | 10 | #include "logging/comp-logging.h" |
fed72692 | 11 | |
91d81473 | 12 | #include "common/macros.h" |
6162e6b7 | 13 | #include "common/uuid.h" |
3fadfbc0 | 14 | #include <babeltrace2/babeltrace.h> |
958f7d11 | 15 | #include <glib.h> |
c55a9f58 | 16 | #include <stdbool.h> |
fed72692 | 17 | #include <inttypes.h> |
578e048b MJ |
18 | #include "common/assert.h" |
19 | #include "common/common.h" | |
0fbb9a9f | 20 | #include <stdlib.h> |
282c8cd0 | 21 | #include <string.h> |
958f7d11 | 22 | |
1aca5200 | 23 | #include "plugins/common/muxing/muxing.h" |
006c5ffb | 24 | #include "plugins/common/param-validation/param-validation.h" |
1aca5200 | 25 | |
fdf0b89e FD |
26 | #include "muxer.h" |
27 | ||
958f7d11 | 28 | struct muxer_comp { |
5b6473ec PP |
29 | /* Weak refs */ |
30 | bt_self_component_filter *self_comp_flt; | |
31 | bt_self_component *self_comp; | |
d94d92ac | 32 | |
958f7d11 PP |
33 | unsigned int next_port_num; |
34 | size_t available_input_ports; | |
d6e69534 | 35 | bool initializing_muxer_msg_iter; |
87ec3926 | 36 | bt_logging_level log_level; |
958f7d11 PP |
37 | }; |
38 | ||
d6e69534 | 39 | struct muxer_upstream_msg_iter { |
87ec3926 PP |
40 | struct muxer_comp *muxer_comp; |
41 | ||
ab11110e | 42 | /* Owned by this, NULL if ended */ |
9a2c8b8e | 43 | bt_message_iterator *msg_iter; |
958f7d11 | 44 | |
d6e69534 PP |
45 | /* Contains `const bt_message *`, owned by this */ |
46 | GQueue *msgs; | |
958f7d11 PP |
47 | }; |
48 | ||
d6e69534 PP |
49 | enum muxer_msg_iter_clock_class_expectation { |
50 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0, | |
60f3d027 | 51 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE, |
d6e69534 PP |
52 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE, |
53 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID, | |
54 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID, | |
282c8cd0 PP |
55 | }; |
56 | ||
d6e69534 | 57 | struct muxer_msg_iter { |
87ec3926 PP |
58 | struct muxer_comp *muxer_comp; |
59 | ||
ca02df0a PP |
60 | /* Weak */ |
61 | bt_self_message_iterator *self_msg_iter; | |
62 | ||
ab11110e | 63 | /* |
d6e69534 | 64 | * Array of struct muxer_upstream_msg_iter * (owned by this). |
ab11110e PP |
65 | * |
66 | * NOTE: This array is searched in linearly to find the youngest | |
d6e69534 | 67 | * current message. Keep this until benchmarks confirm that |
ab11110e PP |
68 | * another data structure is faster than this for our typical |
69 | * use cases. | |
70 | */ | |
54bdc1f7 PP |
71 | GPtrArray *active_muxer_upstream_msg_iters; |
72 | ||
73 | /* | |
74 | * Array of struct muxer_upstream_msg_iter * (owned by this). | |
75 | * | |
76 | * We move ended message iterators from | |
77 | * `active_muxer_upstream_msg_iters` to this array so as to be | |
78 | * able to restore them when seeking. | |
79 | */ | |
80 | GPtrArray *ended_muxer_upstream_msg_iters; | |
958f7d11 | 81 | |
d6e69534 | 82 | /* Last time returned in a message */ |
958f7d11 | 83 | int64_t last_returned_ts_ns; |
282c8cd0 PP |
84 | |
85 | /* Clock class expectation state */ | |
d6e69534 | 86 | enum muxer_msg_iter_clock_class_expectation clock_class_expectation; |
282c8cd0 PP |
87 | |
88 | /* | |
89 | * Expected clock class UUID, only valid when | |
90 | * clock_class_expectation is | |
d6e69534 | 91 | * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID. |
282c8cd0 | 92 | */ |
6162e6b7 | 93 | bt_uuid_t expected_clock_class_uuid; |
cbca1c06 SM |
94 | |
95 | /* | |
96 | * Saved error. If we hit an error in the _next method, but have some | |
97 | * messages ready to return, we save the error here and return it on | |
98 | * the next _next call. | |
99 | */ | |
a3f0c7db | 100 | bt_message_iterator_class_next_method_status next_saved_status; |
cbca1c06 | 101 | const struct bt_error *next_saved_error; |
958f7d11 PP |
102 | }; |
103 | ||
54bdc1f7 PP |
104 | static |
105 | void empty_message_queue(struct muxer_upstream_msg_iter *upstream_msg_iter) | |
106 | { | |
107 | const bt_message *msg; | |
108 | ||
109 | while ((msg = g_queue_pop_head(upstream_msg_iter->msgs))) { | |
110 | bt_message_put_ref(msg); | |
111 | } | |
112 | } | |
113 | ||
ab11110e | 114 | static |
d6e69534 PP |
115 | void destroy_muxer_upstream_msg_iter( |
116 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter) | |
ab11110e | 117 | { |
87ec3926 PP |
118 | struct muxer_comp *muxer_comp; |
119 | ||
d6e69534 | 120 | if (!muxer_upstream_msg_iter) { |
ab11110e PP |
121 | return; |
122 | } | |
123 | ||
87ec3926 | 124 | muxer_comp = muxer_upstream_msg_iter->muxer_comp; |
5b6473ec | 125 | BT_COMP_LOGD("Destroying muxer's upstream message iterator wrapper: " |
d6e69534 PP |
126 | "addr=%p, msg-iter-addr=%p, queue-len=%u", |
127 | muxer_upstream_msg_iter, | |
128 | muxer_upstream_msg_iter->msg_iter, | |
129 | muxer_upstream_msg_iter->msgs->length); | |
9a2c8b8e | 130 | bt_message_iterator_put_ref( |
54bdc1f7 | 131 | muxer_upstream_msg_iter->msg_iter); |
d4393e08 | 132 | |
d6e69534 | 133 | if (muxer_upstream_msg_iter->msgs) { |
54bdc1f7 | 134 | empty_message_queue(muxer_upstream_msg_iter); |
d6e69534 | 135 | g_queue_free(muxer_upstream_msg_iter->msgs); |
d4393e08 PP |
136 | } |
137 | ||
d6e69534 | 138 | g_free(muxer_upstream_msg_iter); |
ab11110e PP |
139 | } |
140 | ||
958f7d11 | 141 | static |
c61018b9 | 142 | int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter *muxer_msg_iter, |
9a2c8b8e | 143 | bt_message_iterator *self_msg_iter) |
958f7d11 | 144 | { |
c61018b9 | 145 | int ret = 0; |
d6e69534 PP |
146 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = |
147 | g_new0(struct muxer_upstream_msg_iter, 1); | |
87ec3926 | 148 | struct muxer_comp *muxer_comp = muxer_msg_iter->muxer_comp; |
958f7d11 | 149 | |
d6e69534 | 150 | if (!muxer_upstream_msg_iter) { |
5b6473ec | 151 | BT_COMP_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper."); |
6c20f4a0 | 152 | goto error; |
958f7d11 PP |
153 | } |
154 | ||
87ec3926 | 155 | muxer_upstream_msg_iter->muxer_comp = muxer_comp; |
d6e69534 | 156 | muxer_upstream_msg_iter->msg_iter = self_msg_iter; |
9a2c8b8e | 157 | bt_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter); |
d6e69534 PP |
158 | muxer_upstream_msg_iter->msgs = g_queue_new(); |
159 | if (!muxer_upstream_msg_iter->msgs) { | |
5b6473ec | 160 | BT_COMP_LOGE_STR("Failed to allocate a GQueue."); |
6c20f4a0 | 161 | goto error; |
d4393e08 PP |
162 | } |
163 | ||
54bdc1f7 | 164 | g_ptr_array_add(muxer_msg_iter->active_muxer_upstream_msg_iters, |
d6e69534 | 165 | muxer_upstream_msg_iter); |
5b6473ec | 166 | BT_COMP_LOGD("Added muxer's upstream message iterator wrapper: " |
d6e69534 PP |
167 | "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p", |
168 | muxer_upstream_msg_iter, muxer_msg_iter, | |
169 | self_msg_iter); | |
958f7d11 | 170 | |
6c20f4a0 FD |
171 | goto end; |
172 | ||
173 | error: | |
174 | g_free(muxer_upstream_msg_iter); | |
c61018b9 | 175 | ret = -1; |
6c20f4a0 | 176 | |
958f7d11 | 177 | end: |
c61018b9 | 178 | return ret; |
958f7d11 PP |
179 | } |
180 | ||
958f7d11 | 181 | static |
d24d5663 | 182 | bt_self_component_add_port_status add_available_input_port( |
b19ff26f | 183 | bt_self_component_filter *self_comp) |
958f7d11 | 184 | { |
d94d92ac | 185 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 186 | bt_self_component_filter_as_self_component(self_comp)); |
d24d5663 PP |
187 | bt_self_component_add_port_status status = |
188 | BT_SELF_COMPONENT_ADD_PORT_STATUS_OK; | |
958f7d11 | 189 | GString *port_name = NULL; |
958f7d11 | 190 | |
f6ccaed9 | 191 | BT_ASSERT(muxer_comp); |
958f7d11 PP |
192 | port_name = g_string_new("in"); |
193 | if (!port_name) { | |
5b6473ec | 194 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
d24d5663 | 195 | status = BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR; |
958f7d11 PP |
196 | goto end; |
197 | } | |
198 | ||
199 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
d94d92ac PP |
200 | status = bt_self_component_filter_add_input_port( |
201 | self_comp, port_name->str, NULL, NULL); | |
d24d5663 | 202 | if (status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { |
5b6473ec | 203 | BT_COMP_LOGE("Cannot add input port to muxer component: " |
fed72692 | 204 | "port-name=\"%s\", comp-addr=%p, status=%s", |
d94d92ac | 205 | port_name->str, self_comp, |
d24d5663 | 206 | bt_common_func_status_string(status)); |
958f7d11 PP |
207 | goto end; |
208 | } | |
209 | ||
210 | muxer_comp->available_input_ports++; | |
211 | muxer_comp->next_port_num++; | |
5b6473ec | 212 | BT_COMP_LOGI("Added one input port to muxer component: " |
fed72692 | 213 | "port-name=\"%s\", comp-addr=%p", |
d94d92ac | 214 | port_name->str, self_comp); |
5badd463 | 215 | |
958f7d11 PP |
216 | end: |
217 | if (port_name) { | |
218 | g_string_free(port_name, TRUE); | |
219 | } | |
220 | ||
147337a3 | 221 | return status; |
958f7d11 PP |
222 | } |
223 | ||
958f7d11 | 224 | static |
d24d5663 | 225 | bt_self_component_add_port_status create_output_port( |
b19ff26f | 226 | bt_self_component_filter *self_comp) |
958f7d11 | 227 | { |
d94d92ac PP |
228 | return bt_self_component_filter_add_output_port( |
229 | self_comp, "out", NULL, NULL); | |
958f7d11 PP |
230 | } |
231 | ||
232 | static | |
233 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
234 | { | |
235 | if (!muxer_comp) { | |
236 | return; | |
237 | } | |
238 | ||
958f7d11 PP |
239 | g_free(muxer_comp); |
240 | } | |
241 | ||
d9120ccb | 242 | static |
006c5ffb SM |
243 | struct bt_param_validation_map_value_entry_descr muxer_params[] = { |
244 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END | |
245 | }; | |
246 | ||
958f7d11 | 247 | BT_HIDDEN |
21a9f056 | 248 | bt_component_class_initialize_method_status muxer_init( |
5b6473ec | 249 | bt_self_component_filter *self_comp_flt, |
59225a3e | 250 | bt_self_component_filter_configuration *config, |
fdf0b89e | 251 | const bt_value *params, void *init_data) |
958f7d11 | 252 | { |
006c5ffb | 253 | bt_component_class_initialize_method_status status; |
d24d5663 | 254 | bt_self_component_add_port_status add_port_status; |
5b6473ec PP |
255 | bt_self_component *self_comp = |
256 | bt_self_component_filter_as_self_component(self_comp_flt); | |
958f7d11 | 257 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); |
87ec3926 | 258 | bt_logging_level log_level = bt_component_get_logging_level( |
5b6473ec | 259 | bt_self_component_as_component(self_comp)); |
006c5ffb SM |
260 | enum bt_param_validation_status validation_status; |
261 | gchar *validate_error = NULL; | |
958f7d11 | 262 | |
5b6473ec | 263 | BT_COMP_LOG_CUR_LVL(BT_LOG_INFO, log_level, self_comp, |
87ec3926 | 264 | "Initializing muxer component: " |
d94d92ac | 265 | "comp-addr=%p, params-addr=%p", self_comp, params); |
fed72692 | 266 | |
958f7d11 | 267 | if (!muxer_comp) { |
5b6473ec | 268 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
87ec3926 | 269 | "Failed to allocate one muxer component."); |
006c5ffb | 270 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
958f7d11 PP |
271 | goto error; |
272 | } | |
273 | ||
87ec3926 | 274 | muxer_comp->log_level = log_level; |
5b6473ec PP |
275 | muxer_comp->self_comp = self_comp; |
276 | muxer_comp->self_comp_flt = self_comp_flt; | |
65ee897d | 277 | |
006c5ffb SM |
278 | validation_status = bt_param_validation_validate(params, |
279 | muxer_params, &validate_error); | |
280 | if (validation_status == BT_PARAM_VALIDATION_STATUS_MEMORY_ERROR) { | |
281 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
282 | goto error; | |
283 | } else if (validation_status == BT_PARAM_VALIDATION_STATUS_VALIDATION_ERROR) { | |
284 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
285 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "%s", validate_error); | |
286 | goto error; | |
287 | } | |
288 | ||
5b6473ec | 289 | bt_self_component_set_data(self_comp, muxer_comp); |
d24d5663 PP |
290 | add_port_status = add_available_input_port(self_comp_flt); |
291 | if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { | |
5b6473ec | 292 | BT_COMP_LOGE("Cannot ensure that at least one muxer component's input port is available: " |
fed72692 PP |
293 | "muxer-comp-addr=%p, status=%s", |
294 | muxer_comp, | |
d24d5663 | 295 | bt_common_func_status_string(add_port_status)); |
006c5ffb | 296 | status = (int) add_port_status; |
958f7d11 PP |
297 | goto error; |
298 | } | |
299 | ||
d24d5663 PP |
300 | add_port_status = create_output_port(self_comp_flt); |
301 | if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { | |
5b6473ec | 302 | BT_COMP_LOGE("Cannot create muxer component's output port: " |
fed72692 PP |
303 | "muxer-comp-addr=%p, status=%s", |
304 | muxer_comp, | |
d24d5663 | 305 | bt_common_func_status_string(add_port_status)); |
006c5ffb | 306 | status = (int) add_port_status; |
958f7d11 PP |
307 | goto error; |
308 | } | |
309 | ||
5b6473ec | 310 | BT_COMP_LOGI("Initialized muxer component: " |
fed72692 | 311 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", |
d94d92ac | 312 | self_comp, params, muxer_comp); |
fed72692 | 313 | |
006c5ffb | 314 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; |
958f7d11 PP |
315 | goto end; |
316 | ||
317 | error: | |
318 | destroy_muxer_comp(muxer_comp); | |
5b6473ec | 319 | bt_self_component_set_data(self_comp, NULL); |
147337a3 | 320 | |
958f7d11 | 321 | end: |
006c5ffb | 322 | g_free(validate_error); |
958f7d11 PP |
323 | return status; |
324 | } | |
325 | ||
326 | BT_HIDDEN | |
b19ff26f | 327 | void muxer_finalize(bt_self_component_filter *self_comp) |
958f7d11 | 328 | { |
d94d92ac | 329 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 330 | bt_self_component_filter_as_self_component(self_comp)); |
958f7d11 | 331 | |
5b6473ec | 332 | BT_COMP_LOGI("Finalizing muxer component: comp-addr=%p", |
d94d92ac | 333 | self_comp); |
958f7d11 PP |
334 | destroy_muxer_comp(muxer_comp); |
335 | } | |
336 | ||
337 | static | |
9a2c8b8e | 338 | bt_message_iterator_create_from_message_iterator_status |
87ec3926 | 339 | create_msg_iter_on_input_port(struct muxer_comp *muxer_comp, |
ca02df0a | 340 | struct muxer_msg_iter *muxer_msg_iter, |
e803df70 | 341 | bt_self_component_port_input *self_port, |
9a2c8b8e | 342 | bt_message_iterator **msg_iter) |
958f7d11 | 343 | { |
b19ff26f | 344 | const bt_port *port = bt_self_component_port_as_port( |
707b7d35 | 345 | bt_self_component_port_input_as_self_component_port( |
d94d92ac | 346 | self_port)); |
9a2c8b8e | 347 | bt_message_iterator_create_from_message_iterator_status |
e803df70 | 348 | status; |
958f7d11 | 349 | |
f6ccaed9 PP |
350 | BT_ASSERT(port); |
351 | BT_ASSERT(bt_port_is_connected(port)); | |
958f7d11 | 352 | |
ab11110e | 353 | // TODO: Advance the iterator to >= the time of the latest |
d6e69534 | 354 | // returned message by the muxer message |
ab11110e | 355 | // iterator which creates it. |
9a2c8b8e | 356 | status = bt_message_iterator_create_from_message_iterator( |
e803df70 | 357 | muxer_msg_iter->self_msg_iter, self_port, msg_iter); |
9a2c8b8e | 358 | if (status != BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) { |
5b6473ec | 359 | BT_COMP_LOGE("Cannot create upstream message iterator on input port: " |
d94d92ac PP |
360 | "port-addr=%p, port-name=\"%s\"", |
361 | port, bt_port_get_name(port)); | |
958f7d11 PP |
362 | goto end; |
363 | } | |
364 | ||
5b6473ec | 365 | BT_COMP_LOGI("Created upstream message iterator on input port: " |
d6e69534 PP |
366 | "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p", |
367 | port, bt_port_get_name(port), msg_iter); | |
fed72692 | 368 | |
958f7d11 | 369 | end: |
e803df70 | 370 | return status; |
958f7d11 PP |
371 | } |
372 | ||
ab11110e | 373 | static |
a3f0c7db | 374 | bt_message_iterator_class_next_method_status muxer_upstream_msg_iter_next( |
54bdc1f7 PP |
375 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter, |
376 | bool *is_ended) | |
ab11110e | 377 | { |
7fb13d3f | 378 | struct muxer_comp *muxer_comp = muxer_upstream_msg_iter->muxer_comp; |
a3f0c7db | 379 | bt_message_iterator_class_next_method_status status; |
d24d5663 | 380 | bt_message_iterator_next_status input_port_iter_status; |
d6e69534 | 381 | bt_message_array_const msgs; |
d4393e08 PP |
382 | uint64_t i; |
383 | uint64_t count; | |
ab11110e | 384 | |
5b6473ec | 385 | BT_COMP_LOGD("Calling upstream message iterator's \"next\" method: " |
d6e69534 PP |
386 | "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p", |
387 | muxer_upstream_msg_iter, | |
388 | muxer_upstream_msg_iter->msg_iter); | |
9a2c8b8e | 389 | input_port_iter_status = bt_message_iterator_next( |
d6e69534 | 390 | muxer_upstream_msg_iter->msg_iter, &msgs, &count); |
5b6473ec | 391 | BT_COMP_LOGD("Upstream message iterator's \"next\" method returned: " |
d24d5663 PP |
392 | "status=%s", |
393 | bt_common_func_status_string(input_port_iter_status)); | |
ab11110e | 394 | |
fdf0b89e | 395 | switch (input_port_iter_status) { |
d24d5663 | 396 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK: |
089717de | 397 | /* |
d6e69534 | 398 | * Message iterator's current message is |
d4393e08 | 399 | * valid: it must be considered for muxing operations. |
089717de | 400 | */ |
5b6473ec | 401 | BT_COMP_LOGD_STR("Validated upstream message iterator wrapper."); |
98b15851 | 402 | BT_ASSERT_DBG(count > 0); |
d4393e08 | 403 | |
d6e69534 | 404 | /* Move messages to our queue */ |
d4393e08 PP |
405 | for (i = 0; i < count; i++) { |
406 | /* | |
407 | * Push to tail in order; other side | |
d6e69534 | 408 | * (muxer_msg_iter_do_next_one()) consumes |
d4393e08 PP |
409 | * from the head first. |
410 | */ | |
d6e69534 PP |
411 | g_queue_push_tail(muxer_upstream_msg_iter->msgs, |
412 | (void *) msgs[i]); | |
d4393e08 | 413 | } |
a3f0c7db | 414 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
ab11110e | 415 | break; |
d24d5663 | 416 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN: |
089717de | 417 | /* |
d6e69534 | 418 | * Message iterator's current message is not |
089717de | 419 | * valid anymore. Return |
d24d5663 | 420 | * BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN immediately. |
089717de | 421 | */ |
a3f0c7db | 422 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN; |
ab11110e | 423 | break; |
d24d5663 | 424 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_END: /* Fall-through. */ |
ab11110e | 425 | /* |
d6e69534 | 426 | * Message iterator reached the end: release it. It |
ab11110e | 427 | * won't be considered again to find the youngest |
d6e69534 | 428 | * message. |
ab11110e | 429 | */ |
54bdc1f7 | 430 | *is_ended = true; |
a3f0c7db | 431 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
089717de | 432 | break; |
7fb13d3f SM |
433 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_ERROR: |
434 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR: | |
435 | /* Error status code */ | |
436 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, | |
437 | "Upstream iterator's next method returned an error: status=%s", | |
438 | bt_common_func_status_string(input_port_iter_status)); | |
439 | status = (int) input_port_iter_status; | |
440 | break; | |
ab11110e | 441 | default: |
7fb13d3f SM |
442 | /* Unsupported status code */ |
443 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, | |
444 | "Unsupported status code: status=%s", | |
445 | bt_common_func_status_string(input_port_iter_status)); | |
a3f0c7db | 446 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
089717de | 447 | break; |
ab11110e PP |
448 | } |
449 | ||
089717de | 450 | return status; |
ab11110e PP |
451 | } |
452 | ||
958f7d11 | 453 | static |
d6e69534 PP |
454 | int get_msg_ts_ns(struct muxer_comp *muxer_comp, |
455 | struct muxer_msg_iter *muxer_msg_iter, | |
456 | const bt_message *msg, int64_t last_returned_ts_ns, | |
958f7d11 PP |
457 | int64_t *ts_ns) |
458 | { | |
605e1019 | 459 | const bt_clock_snapshot *clock_snapshot = NULL; |
958f7d11 | 460 | int ret = 0; |
649934d2 PP |
461 | const bt_stream_class *stream_class = NULL; |
462 | bt_message_type msg_type; | |
958f7d11 | 463 | |
98b15851 PP |
464 | BT_ASSERT_DBG(msg); |
465 | BT_ASSERT_DBG(ts_ns); | |
5b6473ec | 466 | BT_COMP_LOGD("Getting message's timestamp: " |
d6e69534 | 467 | "muxer-msg-iter-addr=%p, msg-addr=%p, " |
fed72692 | 468 | "last-returned-ts=%" PRId64, |
d6e69534 | 469 | muxer_msg_iter, msg, last_returned_ts_ns); |
fed72692 | 470 | |
91d81473 | 471 | if (G_UNLIKELY(muxer_msg_iter->clock_class_expectation == |
60f3d027 PP |
472 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE)) { |
473 | *ts_ns = last_returned_ts_ns; | |
474 | goto end; | |
475 | } | |
476 | ||
649934d2 PP |
477 | msg_type = bt_message_get_type(msg); |
478 | ||
91d81473 | 479 | if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_PACKET_BEGINNING)) { |
649934d2 PP |
480 | stream_class = bt_stream_borrow_class_const( |
481 | bt_packet_borrow_stream_const( | |
482 | bt_message_packet_beginning_borrow_packet_const( | |
483 | msg))); | |
91d81473 | 484 | } else if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_PACKET_END)) { |
649934d2 PP |
485 | stream_class = bt_stream_borrow_class_const( |
486 | bt_packet_borrow_stream_const( | |
487 | bt_message_packet_end_borrow_packet_const( | |
488 | msg))); | |
91d81473 | 489 | } else if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_DISCARDED_EVENTS)) { |
2e90378a PP |
490 | stream_class = bt_stream_borrow_class_const( |
491 | bt_message_discarded_events_borrow_stream_const(msg)); | |
91d81473 | 492 | } else if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_DISCARDED_PACKETS)) { |
2e90378a PP |
493 | stream_class = bt_stream_borrow_class_const( |
494 | bt_message_discarded_packets_borrow_stream_const(msg)); | |
649934d2 PP |
495 | } |
496 | ||
497 | switch (msg_type) { | |
d6e69534 | 498 | case BT_MESSAGE_TYPE_EVENT: |
98b15851 | 499 | BT_ASSERT_DBG(bt_message_event_borrow_stream_class_default_clock_class_const( |
60f3d027 | 500 | msg)); |
0cbc2c33 PP |
501 | clock_snapshot = bt_message_event_borrow_default_clock_snapshot_const( |
502 | msg); | |
958f7d11 | 503 | break; |
5366eb53 | 504 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: |
9b24b6aa | 505 | if (bt_stream_class_packets_have_beginning_default_clock_snapshot( |
649934d2 PP |
506 | stream_class)) { |
507 | clock_snapshot = bt_message_packet_beginning_borrow_default_clock_snapshot_const( | |
508 | msg); | |
509 | } else { | |
510 | goto no_clock_snapshot; | |
511 | } | |
512 | ||
5366eb53 PP |
513 | break; |
514 | case BT_MESSAGE_TYPE_PACKET_END: | |
9b24b6aa | 515 | if (bt_stream_class_packets_have_end_default_clock_snapshot( |
649934d2 PP |
516 | stream_class)) { |
517 | clock_snapshot = bt_message_packet_end_borrow_default_clock_snapshot_const( | |
518 | msg); | |
519 | } else { | |
520 | goto no_clock_snapshot; | |
521 | } | |
522 | ||
5366eb53 | 523 | break; |
c47138bf FD |
524 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: |
525 | { | |
526 | enum bt_message_stream_clock_snapshot_state snapshot_state = | |
527 | bt_message_stream_beginning_borrow_default_clock_snapshot_const( | |
528 | msg, &clock_snapshot); | |
529 | if (snapshot_state == BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_UNKNOWN) { | |
530 | goto no_clock_snapshot; | |
531 | } | |
532 | ||
533 | break; | |
534 | } | |
535 | case BT_MESSAGE_TYPE_STREAM_END: | |
536 | { | |
537 | enum bt_message_stream_clock_snapshot_state snapshot_state = | |
538 | bt_message_stream_end_borrow_default_clock_snapshot_const( | |
539 | msg, &clock_snapshot); | |
540 | if (snapshot_state == BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_UNKNOWN) { | |
541 | goto no_clock_snapshot; | |
542 | } | |
543 | ||
544 | break; | |
545 | } | |
5366eb53 | 546 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: |
2e90378a PP |
547 | if (bt_stream_class_discarded_events_have_default_clock_snapshots( |
548 | stream_class)) { | |
9b24b6aa | 549 | clock_snapshot = bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const( |
2e90378a PP |
550 | msg); |
551 | } else { | |
552 | goto no_clock_snapshot; | |
553 | } | |
554 | ||
5366eb53 PP |
555 | break; |
556 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: | |
2e90378a PP |
557 | if (bt_stream_class_discarded_packets_have_default_clock_snapshots( |
558 | stream_class)) { | |
9b24b6aa | 559 | clock_snapshot = bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const( |
2e90378a PP |
560 | msg); |
561 | } else { | |
562 | goto no_clock_snapshot; | |
563 | } | |
564 | ||
5366eb53 | 565 | break; |
b9fd9cbb | 566 | case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY: |
60d02328 | 567 | clock_snapshot = bt_message_message_iterator_inactivity_borrow_clock_snapshot_const( |
0cbc2c33 | 568 | msg); |
958f7d11 PP |
569 | break; |
570 | default: | |
d6e69534 | 571 | /* All the other messages have a higher priority */ |
5b6473ec | 572 | BT_COMP_LOGD_STR("Message has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
573 | *ts_ns = last_returned_ts_ns; |
574 | goto end; | |
575 | } | |
576 | ||
60f3d027 PP |
577 | ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns); |
578 | if (ret) { | |
5b6473ec | 579 | BT_COMP_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: " |
60f3d027 PP |
580 | "clock-snapshot-addr=%p", clock_snapshot); |
581 | goto error; | |
582 | } | |
583 | ||
584 | goto end; | |
585 | ||
586 | no_clock_snapshot: | |
5b6473ec | 587 | BT_COMP_LOGD_STR("Message's default clock snapshot is missing: " |
60f3d027 PP |
588 | "using the last returned timestamp."); |
589 | *ts_ns = last_returned_ts_ns; | |
590 | goto end; | |
591 | ||
592 | error: | |
593 | ret = -1; | |
594 | ||
595 | end: | |
596 | if (ret == 0) { | |
5b6473ec | 597 | BT_COMP_LOGD("Found message's timestamp: " |
60f3d027 PP |
598 | "muxer-msg-iter-addr=%p, msg-addr=%p, " |
599 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
600 | muxer_msg_iter, msg, last_returned_ts_ns, | |
601 | *ts_ns); | |
44c440bc PP |
602 | } |
603 | ||
60f3d027 PP |
604 | return ret; |
605 | } | |
606 | ||
607 | static inline | |
608 | int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter, | |
609 | struct muxer_comp *muxer_comp, | |
610 | const bt_clock_class *clock_class) | |
611 | { | |
612 | int ret = 0; | |
6162e6b7 | 613 | const uint8_t *cc_uuid; |
60f3d027 PP |
614 | const char *cc_name; |
615 | ||
98b15851 | 616 | BT_ASSERT_DBG(clock_class); |
50842bdc PP |
617 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
618 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 | 619 | |
d6e69534 PP |
620 | if (muxer_msg_iter->clock_class_expectation == |
621 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
282c8cd0 | 622 | /* |
74f4949e FD |
623 | * This is the first clock class that this muxer message |
624 | * iterator encounters. Its properties determine what to expect | |
625 | * for the whole lifetime of the iterator. | |
282c8cd0 | 626 | */ |
5552377a | 627 | if (bt_clock_class_origin_is_unix_epoch(clock_class)) { |
282c8cd0 | 628 | /* Expect absolute clock classes */ |
d6e69534 PP |
629 | muxer_msg_iter->clock_class_expectation = |
630 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
282c8cd0 PP |
631 | } else { |
632 | if (cc_uuid) { | |
633 | /* | |
634 | * Expect non-absolute clock classes | |
635 | * with a specific UUID. | |
636 | */ | |
d6e69534 PP |
637 | muxer_msg_iter->clock_class_expectation = |
638 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
6162e6b7 | 639 | bt_uuid_copy(muxer_msg_iter->expected_clock_class_uuid, cc_uuid); |
282c8cd0 PP |
640 | } else { |
641 | /* | |
642 | * Expect non-absolute clock classes | |
643 | * with no UUID. | |
644 | */ | |
d6e69534 PP |
645 | muxer_msg_iter->clock_class_expectation = |
646 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
282c8cd0 PP |
647 | } |
648 | } | |
649 | } | |
650 | ||
74f4949e FD |
651 | switch (muxer_msg_iter->clock_class_expectation) { |
652 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
653 | if (!bt_clock_class_origin_is_unix_epoch(clock_class)) { | |
654 | BT_COMP_LOGE("Expecting an absolute clock class, " | |
655 | "but got a non-absolute one: " | |
656 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
657 | clock_class, cc_name); | |
658 | goto error; | |
659 | } | |
660 | break; | |
661 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
662 | if (bt_clock_class_origin_is_unix_epoch(clock_class)) { | |
663 | BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, " | |
664 | "but got an absolute one: " | |
665 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
666 | clock_class, cc_name); | |
667 | goto error; | |
668 | } | |
282c8cd0 | 669 | |
74f4949e FD |
670 | if (cc_uuid) { |
671 | BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, " | |
672 | "but got one with a UUID: " | |
673 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
674 | "uuid=\"" BT_UUID_FMT "\"", | |
675 | clock_class, cc_name, BT_UUID_FMT_VALUES(cc_uuid)); | |
676 | goto error; | |
677 | } | |
678 | break; | |
679 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
680 | if (bt_clock_class_origin_is_unix_epoch(clock_class)) { | |
681 | BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, " | |
682 | "but got an absolute one: " | |
683 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
684 | clock_class, cc_name); | |
685 | goto error; | |
686 | } | |
282c8cd0 | 687 | |
74f4949e FD |
688 | if (!cc_uuid) { |
689 | BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, " | |
690 | "but got one with no UUID: " | |
60f3d027 PP |
691 | "clock-class-addr=%p, clock-class-name=\"%s\"", |
692 | clock_class, cc_name); | |
693 | goto error; | |
282c8cd0 | 694 | } |
74f4949e FD |
695 | |
696 | if (bt_uuid_compare(muxer_msg_iter->expected_clock_class_uuid, cc_uuid) != 0) { | |
697 | BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, " | |
698 | "but got one with different UUID: " | |
699 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
700 | "expected-uuid=\"" BT_UUID_FMT "\", " | |
701 | "uuid=\"" BT_UUID_FMT "\"", | |
702 | clock_class, cc_name, | |
703 | BT_UUID_FMT_VALUES(muxer_msg_iter->expected_clock_class_uuid), | |
704 | BT_UUID_FMT_VALUES(cc_uuid)); | |
705 | goto error; | |
706 | } | |
707 | break; | |
708 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE: | |
709 | BT_COMP_LOGE("Expecting no clock class, but got one: " | |
710 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
711 | clock_class, cc_name); | |
712 | goto error; | |
713 | default: | |
714 | /* Unexpected */ | |
715 | BT_COMP_LOGF("Unexpected clock class expectation: " | |
716 | "expectation-code=%d", | |
717 | muxer_msg_iter->clock_class_expectation); | |
498e7994 | 718 | bt_common_abort(); |
958f7d11 PP |
719 | } |
720 | ||
4c0f1c8c PP |
721 | goto end; |
722 | ||
958f7d11 PP |
723 | error: |
724 | ret = -1; | |
725 | ||
726 | end: | |
60f3d027 PP |
727 | return ret; |
728 | } | |
729 | ||
730 | static inline | |
731 | int validate_new_stream_clock_class(struct muxer_msg_iter *muxer_msg_iter, | |
732 | struct muxer_comp *muxer_comp, const bt_stream *stream) | |
733 | { | |
734 | int ret = 0; | |
735 | const bt_stream_class *stream_class = | |
736 | bt_stream_borrow_class_const(stream); | |
737 | const bt_clock_class *clock_class = | |
738 | bt_stream_class_borrow_default_clock_class_const(stream_class); | |
739 | ||
740 | if (!clock_class) { | |
741 | if (muxer_msg_iter->clock_class_expectation == | |
742 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
743 | /* Expect no clock class */ | |
744 | muxer_msg_iter->clock_class_expectation = | |
745 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE; | |
9244b07a SM |
746 | } else if (muxer_msg_iter->clock_class_expectation != |
747 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE) { | |
748 | BT_COMP_LOGE("Expecting stream class without a default clock class: " | |
60f3d027 PP |
749 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
750 | "stream-class-id=%" PRIu64, | |
751 | stream_class, bt_stream_class_get_name(stream_class), | |
752 | bt_stream_class_get_id(stream_class)); | |
753 | ret = -1; | |
754 | } | |
755 | ||
756 | goto end; | |
fed72692 PP |
757 | } |
758 | ||
60f3d027 PP |
759 | ret = validate_clock_class(muxer_msg_iter, muxer_comp, clock_class); |
760 | ||
761 | end: | |
958f7d11 PP |
762 | return ret; |
763 | } | |
764 | ||
ab11110e | 765 | /* |
d6e69534 PP |
766 | * This function finds the youngest available message amongst the |
767 | * non-ended upstream message iterators and returns the upstream | |
768 | * message iterator which has it, or | |
769 | * BT_MESSAGE_ITERATOR_STATUS_END if there's no available | |
770 | * message. | |
ab11110e PP |
771 | * |
772 | * This function does NOT: | |
773 | * | |
d6e69534 | 774 | * * Update any upstream message iterator. |
d6e69534 | 775 | * * Check the upstream message iterators to retry. |
ab11110e | 776 | * |
d6e69534 PP |
777 | * On sucess, this function sets *muxer_upstream_msg_iter to the |
778 | * upstream message iterator of which the current message is | |
ab11110e PP |
779 | * the youngest, and sets *ts_ns to its time. |
780 | */ | |
958f7d11 | 781 | static |
a3f0c7db | 782 | bt_message_iterator_class_next_method_status |
d6e69534 | 783 | muxer_msg_iter_youngest_upstream_msg_iter( |
958f7d11 | 784 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
785 | struct muxer_msg_iter *muxer_msg_iter, |
786 | struct muxer_upstream_msg_iter **muxer_upstream_msg_iter, | |
958f7d11 PP |
787 | int64_t *ts_ns) |
788 | { | |
789 | size_t i; | |
790 | int ret; | |
791 | int64_t youngest_ts_ns = INT64_MAX; | |
a3f0c7db SM |
792 | bt_message_iterator_class_next_method_status status = |
793 | BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
958f7d11 | 794 | |
98b15851 PP |
795 | BT_ASSERT_DBG(muxer_comp); |
796 | BT_ASSERT_DBG(muxer_msg_iter); | |
797 | BT_ASSERT_DBG(muxer_upstream_msg_iter); | |
d6e69534 PP |
798 | *muxer_upstream_msg_iter = NULL; |
799 | ||
54bdc1f7 PP |
800 | for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len; |
801 | i++) { | |
d6e69534 PP |
802 | const bt_message *msg; |
803 | struct muxer_upstream_msg_iter *cur_muxer_upstream_msg_iter = | |
54bdc1f7 PP |
804 | g_ptr_array_index( |
805 | muxer_msg_iter->active_muxer_upstream_msg_iters, | |
806 | i); | |
d6e69534 PP |
807 | int64_t msg_ts_ns; |
808 | ||
809 | if (!cur_muxer_upstream_msg_iter->msg_iter) { | |
810 | /* This upstream message iterator is ended */ | |
ef267d12 | 811 | BT_COMP_LOGT("Skipping ended upstream message iterator: " |
d6e69534 PP |
812 | "muxer-upstream-msg-iter-wrap-addr=%p", |
813 | cur_muxer_upstream_msg_iter); | |
958f7d11 PP |
814 | continue; |
815 | } | |
816 | ||
98b15851 | 817 | BT_ASSERT_DBG(cur_muxer_upstream_msg_iter->msgs->length > 0); |
d6e69534 | 818 | msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs); |
98b15851 | 819 | BT_ASSERT_DBG(msg); |
60f3d027 | 820 | |
91d81473 | 821 | if (G_UNLIKELY(bt_message_get_type(msg) == |
60f3d027 PP |
822 | BT_MESSAGE_TYPE_STREAM_BEGINNING)) { |
823 | ret = validate_new_stream_clock_class( | |
824 | muxer_msg_iter, muxer_comp, | |
825 | bt_message_stream_beginning_borrow_stream_const( | |
826 | msg)); | |
827 | if (ret) { | |
828 | /* | |
829 | * validate_new_stream_clock_class() logs | |
830 | * errors. | |
831 | */ | |
a3f0c7db | 832 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
60f3d027 PP |
833 | goto end; |
834 | } | |
91d81473 | 835 | } else if (G_UNLIKELY(bt_message_get_type(msg) == |
60f3d027 PP |
836 | BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY)) { |
837 | const bt_clock_snapshot *cs; | |
60f3d027 | 838 | |
60d02328 | 839 | cs = bt_message_message_iterator_inactivity_borrow_clock_snapshot_const( |
0cbc2c33 | 840 | msg); |
60f3d027 PP |
841 | ret = validate_clock_class(muxer_msg_iter, muxer_comp, |
842 | bt_clock_snapshot_borrow_clock_class_const(cs)); | |
843 | if (ret) { | |
844 | /* validate_clock_class() logs errors */ | |
a3f0c7db | 845 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
60f3d027 PP |
846 | goto end; |
847 | } | |
848 | } | |
849 | ||
d6e69534 PP |
850 | ret = get_msg_ts_ns(muxer_comp, muxer_msg_iter, msg, |
851 | muxer_msg_iter->last_returned_ts_ns, &msg_ts_ns); | |
958f7d11 | 852 | if (ret) { |
d6e69534 PP |
853 | /* get_msg_ts_ns() logs errors */ |
854 | *muxer_upstream_msg_iter = NULL; | |
a3f0c7db | 855 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
958f7d11 PP |
856 | goto end; |
857 | } | |
858 | ||
e5b2784a FD |
859 | /* |
860 | * Update the current message iterator if it has not been set | |
861 | * yet, or if its current message has a timestamp smaller than | |
862 | * the previously selected youngest message. | |
863 | */ | |
864 | if (G_UNLIKELY(*muxer_upstream_msg_iter == NULL) || | |
865 | msg_ts_ns < youngest_ts_ns) { | |
d6e69534 PP |
866 | *muxer_upstream_msg_iter = |
867 | cur_muxer_upstream_msg_iter; | |
868 | youngest_ts_ns = msg_ts_ns; | |
958f7d11 | 869 | *ts_ns = youngest_ts_ns; |
6915f47a FD |
870 | } else if (msg_ts_ns == youngest_ts_ns) { |
871 | /* | |
872 | * The currently selected message to be sent downstream | |
873 | * next has the exact same timestamp that of the | |
874 | * current candidate message. We must break the tie | |
875 | * in a predictable manner. | |
876 | */ | |
877 | const bt_message *selected_msg = g_queue_peek_head( | |
878 | (*muxer_upstream_msg_iter)->msgs); | |
879 | BT_COMP_LOGD_STR("Two of the next message candidates have the same timestamps, pick one deterministically."); | |
880 | ||
881 | /* | |
882 | * Order the messages in an arbitrary but determinitic | |
883 | * way. | |
884 | */ | |
1aca5200 | 885 | ret = common_muxing_compare_messages(msg, selected_msg); |
6915f47a FD |
886 | if (ret < 0) { |
887 | /* | |
888 | * The `msg` should go first. Update the next | |
889 | * iterator and the current timestamp. | |
890 | */ | |
891 | *muxer_upstream_msg_iter = | |
892 | cur_muxer_upstream_msg_iter; | |
893 | youngest_ts_ns = msg_ts_ns; | |
894 | *ts_ns = youngest_ts_ns; | |
895 | } else if (ret == 0) { | |
896 | /* Unable to pick which one should go first. */ | |
897 | BT_COMP_LOGW("Cannot deterministically pick next upstream message iterator because they have identical next messages: " | |
898 | "muxer-upstream-msg-iter-wrap-addr=%p" | |
899 | "cur-muxer-upstream-msg-iter-wrap-addr=%p", | |
900 | *muxer_upstream_msg_iter, | |
901 | cur_muxer_upstream_msg_iter); | |
902 | } | |
958f7d11 PP |
903 | } |
904 | } | |
905 | ||
d6e69534 | 906 | if (!*muxer_upstream_msg_iter) { |
a3f0c7db | 907 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; |
958f7d11 PP |
908 | *ts_ns = INT64_MIN; |
909 | } | |
910 | ||
911 | end: | |
912 | return status; | |
913 | } | |
914 | ||
915 | static | |
a3f0c7db | 916 | bt_message_iterator_class_next_method_status |
d24d5663 | 917 | validate_muxer_upstream_msg_iter( |
54bdc1f7 PP |
918 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter, |
919 | bool *is_ended) | |
958f7d11 | 920 | { |
7fb13d3f | 921 | struct muxer_comp *muxer_comp = muxer_upstream_msg_iter->muxer_comp; |
a3f0c7db | 922 | bt_message_iterator_class_next_method_status status; |
958f7d11 | 923 | |
5b6473ec | 924 | BT_COMP_LOGD("Validating muxer's upstream message iterator wrapper: " |
d6e69534 PP |
925 | "muxer-upstream-msg-iter-wrap-addr=%p", |
926 | muxer_upstream_msg_iter); | |
fed72692 | 927 | |
d6e69534 PP |
928 | if (muxer_upstream_msg_iter->msgs->length > 0 || |
929 | !muxer_upstream_msg_iter->msg_iter) { | |
5b6473ec | 930 | BT_COMP_LOGD("Already valid or not considered: " |
d6e69534 PP |
931 | "queue-len=%u, upstream-msg-iter-addr=%p", |
932 | muxer_upstream_msg_iter->msgs->length, | |
933 | muxer_upstream_msg_iter->msg_iter); | |
a3f0c7db | 934 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
ab11110e PP |
935 | goto end; |
936 | } | |
937 | ||
d6e69534 | 938 | /* muxer_upstream_msg_iter_next() logs details/errors */ |
54bdc1f7 PP |
939 | status = muxer_upstream_msg_iter_next(muxer_upstream_msg_iter, |
940 | is_ended); | |
089717de PP |
941 | |
942 | end: | |
943 | return status; | |
944 | } | |
945 | ||
946 | static | |
a3f0c7db | 947 | bt_message_iterator_class_next_method_status |
d24d5663 | 948 | validate_muxer_upstream_msg_iters( |
d6e69534 | 949 | struct muxer_msg_iter *muxer_msg_iter) |
089717de | 950 | { |
87ec3926 | 951 | struct muxer_comp *muxer_comp = muxer_msg_iter->muxer_comp; |
a3f0c7db | 952 | bt_message_iterator_class_next_method_status status; |
089717de PP |
953 | size_t i; |
954 | ||
5b6473ec | 955 | BT_COMP_LOGD("Validating muxer's upstream message iterator wrappers: " |
d6e69534 | 956 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
fed72692 | 957 | |
54bdc1f7 PP |
958 | for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len; |
959 | i++) { | |
6bf2abbd | 960 | bool is_ended = false; |
d6e69534 | 961 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = |
089717de | 962 | g_ptr_array_index( |
54bdc1f7 | 963 | muxer_msg_iter->active_muxer_upstream_msg_iters, |
089717de PP |
964 | i); |
965 | ||
d6e69534 | 966 | status = validate_muxer_upstream_msg_iter( |
54bdc1f7 | 967 | muxer_upstream_msg_iter, &is_ended); |
a3f0c7db | 968 | if (status != BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
fed72692 | 969 | if (status < 0) { |
7fb13d3f SM |
970 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
971 | "Cannot validate muxer's upstream message iterator wrapper: " | |
d6e69534 PP |
972 | "muxer-msg-iter-addr=%p, " |
973 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
974 | muxer_msg_iter, | |
975 | muxer_upstream_msg_iter); | |
fed72692 | 976 | } else { |
5b6473ec | 977 | BT_COMP_LOGD("Cannot validate muxer's upstream message iterator wrapper: " |
d6e69534 PP |
978 | "muxer-msg-iter-addr=%p, " |
979 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
980 | muxer_msg_iter, | |
981 | muxer_upstream_msg_iter); | |
fed72692 PP |
982 | } |
983 | ||
089717de PP |
984 | goto end; |
985 | } | |
744ba28b PP |
986 | |
987 | /* | |
54bdc1f7 PP |
988 | * Move this muxer upstream message iterator to the |
989 | * array of ended iterators if it's ended. | |
744ba28b | 990 | */ |
91d81473 | 991 | if (G_UNLIKELY(is_ended)) { |
5b6473ec | 992 | BT_COMP_LOGD("Muxer's upstream message iterator wrapper: ended or canceled: " |
54bdc1f7 PP |
993 | "muxer-msg-iter-addr=%p, " |
994 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
995 | muxer_msg_iter, muxer_upstream_msg_iter); | |
996 | g_ptr_array_add( | |
997 | muxer_msg_iter->ended_muxer_upstream_msg_iters, | |
998 | muxer_upstream_msg_iter); | |
999 | muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i] = NULL; | |
1000 | ||
744ba28b PP |
1001 | /* |
1002 | * Use g_ptr_array_remove_fast() because the | |
1003 | * order of those elements is not important. | |
1004 | */ | |
1005 | g_ptr_array_remove_index_fast( | |
54bdc1f7 | 1006 | muxer_msg_iter->active_muxer_upstream_msg_iters, |
744ba28b PP |
1007 | i); |
1008 | i--; | |
1009 | } | |
089717de PP |
1010 | } |
1011 | ||
a3f0c7db | 1012 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
7fb13d3f | 1013 | |
089717de PP |
1014 | end: |
1015 | return status; | |
1016 | } | |
1017 | ||
d4393e08 | 1018 | static inline |
a3f0c7db | 1019 | bt_message_iterator_class_next_method_status muxer_msg_iter_do_next_one( |
089717de | 1020 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
1021 | struct muxer_msg_iter *muxer_msg_iter, |
1022 | const bt_message **msg) | |
089717de | 1023 | { |
a3f0c7db | 1024 | bt_message_iterator_class_next_method_status status; |
d6e69534 | 1025 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL; |
18961057 SM |
1026 | /* Initialize to avoid -Wmaybe-uninitialized warning with gcc 4.8. */ |
1027 | int64_t next_return_ts = 0; | |
089717de | 1028 | |
5badd463 | 1029 | status = validate_muxer_upstream_msg_iters(muxer_msg_iter); |
a3f0c7db | 1030 | if (status != BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
5badd463 PP |
1031 | /* validate_muxer_upstream_msg_iters() logs details */ |
1032 | goto end; | |
958f7d11 PP |
1033 | } |
1034 | ||
1035 | /* | |
089717de | 1036 | * At this point we know that all the existing upstream |
d6e69534 PP |
1037 | * message iterators are valid. We can find the one, |
1038 | * amongst those, of which the current message is the | |
089717de | 1039 | * youngest. |
958f7d11 | 1040 | */ |
d6e69534 PP |
1041 | status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp, |
1042 | muxer_msg_iter, &muxer_upstream_msg_iter, | |
089717de | 1043 | &next_return_ts); |
a3f0c7db | 1044 | if (status < 0 || status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END) { |
d4393e08 | 1045 | if (status < 0) { |
7fb13d3f SM |
1046 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1047 | "Cannot find the youngest upstream message iterator wrapper: " | |
fed72692 | 1048 | "status=%s", |
d24d5663 | 1049 | bt_common_func_status_string(status)); |
fed72692 | 1050 | } else { |
5b6473ec | 1051 | BT_COMP_LOGD("Cannot find the youngest upstream message iterator wrapper: " |
fed72692 | 1052 | "status=%s", |
d24d5663 | 1053 | bt_common_func_status_string(status)); |
fed72692 PP |
1054 | } |
1055 | ||
958f7d11 PP |
1056 | goto end; |
1057 | } | |
1058 | ||
d6e69534 | 1059 | if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) { |
7fb13d3f SM |
1060 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1061 | "Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: " | |
d6e69534 | 1062 | "muxer-msg-iter-addr=%p, ts=%" PRId64 ", " |
fed72692 | 1063 | "last-returned-ts=%" PRId64, |
d6e69534 PP |
1064 | muxer_msg_iter, next_return_ts, |
1065 | muxer_msg_iter->last_returned_ts_ns); | |
a3f0c7db | 1066 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
958f7d11 PP |
1067 | goto end; |
1068 | } | |
1069 | ||
5b6473ec | 1070 | BT_COMP_LOGD("Found youngest upstream message iterator wrapper: " |
d6e69534 PP |
1071 | "muxer-msg-iter-addr=%p, " |
1072 | "muxer-upstream-msg-iter-wrap-addr=%p, " | |
fed72692 | 1073 | "ts=%" PRId64, |
d6e69534 | 1074 | muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts); |
98b15851 | 1075 | BT_ASSERT_DBG(status == |
a3f0c7db | 1076 | BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); |
98b15851 | 1077 | BT_ASSERT_DBG(muxer_upstream_msg_iter); |
958f7d11 PP |
1078 | |
1079 | /* | |
d4393e08 | 1080 | * Consume from the queue's head: other side |
d6e69534 | 1081 | * (muxer_upstream_msg_iter_next()) writes to the tail. |
958f7d11 | 1082 | */ |
d6e69534 | 1083 | *msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs); |
98b15851 | 1084 | BT_ASSERT_DBG(*msg); |
d6e69534 | 1085 | muxer_msg_iter->last_returned_ts_ns = next_return_ts; |
958f7d11 PP |
1086 | |
1087 | end: | |
d4393e08 PP |
1088 | return status; |
1089 | } | |
1090 | ||
1091 | static | |
a3f0c7db | 1092 | bt_message_iterator_class_next_method_status muxer_msg_iter_do_next( |
d4393e08 | 1093 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
1094 | struct muxer_msg_iter *muxer_msg_iter, |
1095 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
1096 | uint64_t *count) |
1097 | { | |
a3f0c7db | 1098 | bt_message_iterator_class_next_method_status status; |
d4393e08 PP |
1099 | uint64_t i = 0; |
1100 | ||
cbca1c06 SM |
1101 | if (G_UNLIKELY(muxer_msg_iter->next_saved_error)) { |
1102 | /* | |
1103 | * Last time we were called, we hit an error but had some | |
1104 | * messages to deliver, so we stashed the error here. Return | |
1105 | * it now. | |
1106 | */ | |
1107 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(muxer_msg_iter->next_saved_error); | |
1108 | status = muxer_msg_iter->next_saved_status; | |
1109 | goto end; | |
1110 | } | |
1111 | ||
1112 | do { | |
d6e69534 PP |
1113 | status = muxer_msg_iter_do_next_one(muxer_comp, |
1114 | muxer_msg_iter, &msgs[i]); | |
a3f0c7db | 1115 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
d4393e08 PP |
1116 | i++; |
1117 | } | |
a3f0c7db | 1118 | } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); |
d4393e08 PP |
1119 | |
1120 | if (i > 0) { | |
1121 | /* | |
d6e69534 | 1122 | * Even if muxer_msg_iter_do_next_one() returned |
d4393e08 | 1123 | * something else than |
d6e69534 PP |
1124 | * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated |
1125 | * message objects in the output message | |
d4393e08 | 1126 | * array, so we need to return |
d6e69534 | 1127 | * BT_MESSAGE_ITERATOR_STATUS_OK so that they are |
d4393e08 | 1128 | * transfered to downstream. This other status occurs |
d6e69534 | 1129 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 1130 | * called, possibly without any accumulated |
d6e69534 | 1131 | * message, in which case we'll return it. |
d4393e08 | 1132 | */ |
cbca1c06 SM |
1133 | if (status < 0) { |
1134 | /* | |
1135 | * Save this error for the next _next call. Assume that | |
1136 | * this component always appends error causes when | |
1137 | * returning an error status code, which will cause the | |
1138 | * current thread error to be non-NULL. | |
1139 | */ | |
1140 | muxer_msg_iter->next_saved_error = bt_current_thread_take_error(); | |
1141 | BT_ASSERT(muxer_msg_iter->next_saved_error); | |
1142 | muxer_msg_iter->next_saved_status = status; | |
1143 | } | |
1144 | ||
d4393e08 | 1145 | *count = i; |
a3f0c7db | 1146 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
d4393e08 PP |
1147 | } |
1148 | ||
cbca1c06 | 1149 | end: |
d4393e08 | 1150 | return status; |
958f7d11 PP |
1151 | } |
1152 | ||
1153 | static | |
d6e69534 | 1154 | void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter) |
ab11110e | 1155 | { |
87ec3926 PP |
1156 | struct muxer_comp *muxer_comp; |
1157 | ||
d6e69534 | 1158 | if (!muxer_msg_iter) { |
ab11110e PP |
1159 | return; |
1160 | } | |
1161 | ||
87ec3926 | 1162 | muxer_comp = muxer_msg_iter->muxer_comp; |
5b6473ec | 1163 | BT_COMP_LOGD("Destroying muxer component's message iterator: " |
d6e69534 | 1164 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
fed72692 | 1165 | |
54bdc1f7 | 1166 | if (muxer_msg_iter->active_muxer_upstream_msg_iters) { |
5b6473ec | 1167 | BT_COMP_LOGD_STR("Destroying muxer's active upstream message iterator wrappers."); |
54bdc1f7 PP |
1168 | g_ptr_array_free( |
1169 | muxer_msg_iter->active_muxer_upstream_msg_iters, TRUE); | |
1170 | } | |
1171 | ||
1172 | if (muxer_msg_iter->ended_muxer_upstream_msg_iters) { | |
5b6473ec | 1173 | BT_COMP_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers."); |
ab11110e | 1174 | g_ptr_array_free( |
54bdc1f7 | 1175 | muxer_msg_iter->ended_muxer_upstream_msg_iters, TRUE); |
ab11110e PP |
1176 | } |
1177 | ||
d6e69534 | 1178 | g_free(muxer_msg_iter); |
ab11110e PP |
1179 | } |
1180 | ||
1181 | static | |
a3f0c7db | 1182 | bt_message_iterator_class_initialize_method_status |
e803df70 | 1183 | muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp, |
c0e46a7c SM |
1184 | struct muxer_msg_iter *muxer_msg_iter, |
1185 | struct bt_self_message_iterator_configuration *config) | |
958f7d11 | 1186 | { |
544d0515 PP |
1187 | int64_t count; |
1188 | int64_t i; | |
a3f0c7db | 1189 | bt_message_iterator_class_initialize_method_status status; |
c0e46a7c | 1190 | bool can_seek_forward = true; |
958f7d11 | 1191 | |
d94d92ac | 1192 | count = bt_component_filter_get_input_port_count( |
707b7d35 | 1193 | bt_self_component_filter_as_component_filter( |
5b6473ec | 1194 | muxer_comp->self_comp_flt)); |
544d0515 | 1195 | if (count < 0) { |
5b6473ec | 1196 | BT_COMP_LOGD("No input port to initialize for muxer component's message iterator: " |
d6e69534 PP |
1197 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p", |
1198 | muxer_comp, muxer_msg_iter); | |
a3f0c7db | 1199 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
ab11110e PP |
1200 | goto end; |
1201 | } | |
958f7d11 PP |
1202 | |
1203 | for (i = 0; i < count; i++) { | |
9a2c8b8e | 1204 | bt_message_iterator *upstream_msg_iter; |
b19ff26f | 1205 | bt_self_component_port_input *self_port = |
d94d92ac | 1206 | bt_self_component_filter_borrow_input_port_by_index( |
5b6473ec | 1207 | muxer_comp->self_comp_flt, i); |
b19ff26f | 1208 | const bt_port *port; |
9a2c8b8e | 1209 | bt_message_iterator_create_from_message_iterator_status |
e803df70 SM |
1210 | msg_iter_status; |
1211 | int int_status; | |
958f7d11 | 1212 | |
d94d92ac | 1213 | BT_ASSERT(self_port); |
707b7d35 PP |
1214 | port = bt_self_component_port_as_port( |
1215 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 1216 | self_port)); |
f6ccaed9 | 1217 | BT_ASSERT(port); |
958f7d11 PP |
1218 | |
1219 | if (!bt_port_is_connected(port)) { | |
5badd463 | 1220 | /* Skip non-connected port */ |
958f7d11 PP |
1221 | continue; |
1222 | } | |
1223 | ||
e803df70 SM |
1224 | msg_iter_status = create_msg_iter_on_input_port(muxer_comp, |
1225 | muxer_msg_iter, self_port, &upstream_msg_iter); | |
9a2c8b8e | 1226 | if (msg_iter_status != BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) { |
5badd463 | 1227 | /* create_msg_iter_on_input_port() logs errors */ |
e803df70 | 1228 | status = (int) msg_iter_status; |
ab11110e | 1229 | goto end; |
958f7d11 | 1230 | } |
fed72692 | 1231 | |
e803df70 | 1232 | int_status = muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter, |
c61018b9 | 1233 | upstream_msg_iter); |
9a2c8b8e | 1234 | bt_message_iterator_put_ref( |
5badd463 | 1235 | upstream_msg_iter); |
e803df70 | 1236 | if (int_status) { |
a3f0c7db | 1237 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
5badd463 | 1238 | /* muxer_msg_iter_add_upstream_msg_iter() logs errors */ |
5badd463 PP |
1239 | goto end; |
1240 | } | |
c0e46a7c SM |
1241 | |
1242 | can_seek_forward = can_seek_forward && | |
9a2c8b8e | 1243 | bt_message_iterator_can_seek_forward( |
c0e46a7c | 1244 | upstream_msg_iter); |
958f7d11 PP |
1245 | } |
1246 | ||
c0e46a7c SM |
1247 | /* |
1248 | * This iterator can seek forward if all of its iterators can seek | |
1249 | * forward. | |
1250 | */ | |
1251 | bt_self_message_iterator_configuration_set_can_seek_forward( | |
1252 | config, can_seek_forward); | |
1253 | ||
a3f0c7db | 1254 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
e803df70 | 1255 | |
958f7d11 | 1256 | end: |
e803df70 | 1257 | return status; |
958f7d11 PP |
1258 | } |
1259 | ||
958f7d11 | 1260 | BT_HIDDEN |
a3f0c7db | 1261 | bt_message_iterator_class_initialize_method_status muxer_msg_iter_init( |
d6e69534 | 1262 | bt_self_message_iterator *self_msg_iter, |
8d8b141d | 1263 | bt_self_message_iterator_configuration *config, |
b19ff26f | 1264 | bt_self_component_port_output *port) |
958f7d11 PP |
1265 | { |
1266 | struct muxer_comp *muxer_comp = NULL; | |
d6e69534 | 1267 | struct muxer_msg_iter *muxer_msg_iter = NULL; |
a3f0c7db | 1268 | bt_message_iterator_class_initialize_method_status status; |
f615b250 PP |
1269 | bt_self_component *self_comp = |
1270 | bt_self_message_iterator_borrow_component(self_msg_iter); | |
958f7d11 | 1271 | |
a3f0c7db | 1272 | muxer_comp = bt_self_component_get_data(self_comp); |
f6ccaed9 | 1273 | BT_ASSERT(muxer_comp); |
5b6473ec | 1274 | BT_COMP_LOGD("Initializing muxer component's message iterator: " |
d6e69534 PP |
1275 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", |
1276 | self_comp, muxer_comp, self_msg_iter); | |
a09c6b95 | 1277 | |
d6e69534 | 1278 | if (muxer_comp->initializing_muxer_msg_iter) { |
a09c6b95 | 1279 | /* |
089717de | 1280 | * Weird, unhandled situation detected: downstream |
d6e69534 PP |
1281 | * creates a muxer message iterator while creating |
1282 | * another muxer message iterator (same component). | |
a09c6b95 | 1283 | */ |
5b6473ec | 1284 | BT_COMP_LOGE("Recursive initialization of muxer component's message iterator: " |
d6e69534 PP |
1285 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", |
1286 | self_comp, muxer_comp, self_msg_iter); | |
a3f0c7db | 1287 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
958f7d11 PP |
1288 | goto error; |
1289 | } | |
1290 | ||
d6e69534 PP |
1291 | muxer_comp->initializing_muxer_msg_iter = true; |
1292 | muxer_msg_iter = g_new0(struct muxer_msg_iter, 1); | |
1293 | if (!muxer_msg_iter) { | |
5b6473ec | 1294 | BT_COMP_LOGE_STR("Failed to allocate one muxer component's message iterator."); |
a3f0c7db | 1295 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
ab11110e PP |
1296 | goto error; |
1297 | } | |
1298 | ||
87ec3926 | 1299 | muxer_msg_iter->muxer_comp = muxer_comp; |
ca02df0a | 1300 | muxer_msg_iter->self_msg_iter = self_msg_iter; |
d6e69534 | 1301 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
54bdc1f7 | 1302 | muxer_msg_iter->active_muxer_upstream_msg_iters = |
958f7d11 | 1303 | g_ptr_array_new_with_free_func( |
d6e69534 | 1304 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); |
54bdc1f7 | 1305 | if (!muxer_msg_iter->active_muxer_upstream_msg_iters) { |
5b6473ec | 1306 | BT_COMP_LOGE_STR("Failed to allocate a GPtrArray."); |
a3f0c7db | 1307 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
54bdc1f7 PP |
1308 | goto error; |
1309 | } | |
1310 | ||
1311 | muxer_msg_iter->ended_muxer_upstream_msg_iters = | |
1312 | g_ptr_array_new_with_free_func( | |
1313 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); | |
1314 | if (!muxer_msg_iter->ended_muxer_upstream_msg_iters) { | |
5b6473ec | 1315 | BT_COMP_LOGE_STR("Failed to allocate a GPtrArray."); |
a3f0c7db | 1316 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
958f7d11 PP |
1317 | goto error; |
1318 | } | |
1319 | ||
e803df70 | 1320 | status = muxer_msg_iter_init_upstream_iterators(muxer_comp, |
c0e46a7c | 1321 | muxer_msg_iter, config); |
e803df70 | 1322 | if (status) { |
5b6473ec | 1323 | BT_COMP_LOGE("Cannot initialize connected input ports for muxer component's message iterator: " |
fed72692 | 1324 | "comp-addr=%p, muxer-comp-addr=%p, " |
d6e69534 PP |
1325 | "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d", |
1326 | self_comp, muxer_comp, muxer_msg_iter, | |
e803df70 | 1327 | self_msg_iter, status); |
a09c6b95 PP |
1328 | goto error; |
1329 | } | |
1330 | ||
5badd463 | 1331 | bt_self_message_iterator_set_data(self_msg_iter, muxer_msg_iter); |
5b6473ec | 1332 | BT_COMP_LOGD("Initialized muxer component's message iterator: " |
d6e69534 PP |
1333 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1334 | "msg-iter-addr=%p", | |
1335 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1336 | goto end; |
1337 | ||
1338 | error: | |
d6e69534 | 1339 | destroy_muxer_msg_iter(muxer_msg_iter); |
5badd463 | 1340 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
958f7d11 PP |
1341 | |
1342 | end: | |
d6e69534 | 1343 | muxer_comp->initializing_muxer_msg_iter = false; |
958f7d11 PP |
1344 | return status; |
1345 | } | |
1346 | ||
1347 | BT_HIDDEN | |
54bdc1f7 | 1348 | void muxer_msg_iter_finalize(bt_self_message_iterator *self_msg_iter) |
958f7d11 | 1349 | { |
d6e69534 PP |
1350 | struct muxer_msg_iter *muxer_msg_iter = |
1351 | bt_self_message_iterator_get_data(self_msg_iter); | |
b19ff26f | 1352 | bt_self_component *self_comp = NULL; |
958f7d11 PP |
1353 | struct muxer_comp *muxer_comp = NULL; |
1354 | ||
d6e69534 PP |
1355 | self_comp = bt_self_message_iterator_borrow_component( |
1356 | self_msg_iter); | |
d94d92ac PP |
1357 | BT_ASSERT(self_comp); |
1358 | muxer_comp = bt_self_component_get_data(self_comp); | |
5b6473ec | 1359 | BT_COMP_LOGD("Finalizing muxer component's message iterator: " |
d6e69534 PP |
1360 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1361 | "msg-iter-addr=%p", | |
1362 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 | 1363 | |
5badd463 | 1364 | if (muxer_msg_iter) { |
d6e69534 | 1365 | destroy_muxer_msg_iter(muxer_msg_iter); |
958f7d11 | 1366 | } |
958f7d11 PP |
1367 | } |
1368 | ||
1369 | BT_HIDDEN | |
a3f0c7db | 1370 | bt_message_iterator_class_next_method_status muxer_msg_iter_next( |
d6e69534 PP |
1371 | bt_self_message_iterator *self_msg_iter, |
1372 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 | 1373 | uint64_t *count) |
958f7d11 | 1374 | { |
a3f0c7db | 1375 | bt_message_iterator_class_next_method_status status; |
d6e69534 PP |
1376 | struct muxer_msg_iter *muxer_msg_iter = |
1377 | bt_self_message_iterator_get_data(self_msg_iter); | |
b19ff26f | 1378 | bt_self_component *self_comp = NULL; |
958f7d11 | 1379 | struct muxer_comp *muxer_comp = NULL; |
958f7d11 | 1380 | |
98b15851 | 1381 | BT_ASSERT_DBG(muxer_msg_iter); |
d6e69534 PP |
1382 | self_comp = bt_self_message_iterator_borrow_component( |
1383 | self_msg_iter); | |
98b15851 | 1384 | BT_ASSERT_DBG(self_comp); |
d94d92ac | 1385 | muxer_comp = bt_self_component_get_data(self_comp); |
98b15851 | 1386 | BT_ASSERT_DBG(muxer_comp); |
ef267d12 | 1387 | BT_COMP_LOGT("Muxer component's message iterator's \"next\" method called: " |
d6e69534 PP |
1388 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1389 | "msg-iter-addr=%p", | |
1390 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
fed72692 | 1391 | |
d6e69534 PP |
1392 | status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter, |
1393 | msgs, capacity, count); | |
d4393e08 | 1394 | if (status < 0) { |
5b6473ec | 1395 | BT_COMP_LOGE("Cannot get next message: " |
d6e69534 PP |
1396 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1397 | "msg-iter-addr=%p, status=%s", | |
1398 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter, | |
d24d5663 | 1399 | bt_common_func_status_string(status)); |
fed72692 | 1400 | } else { |
ef267d12 | 1401 | BT_COMP_LOGT("Returning from muxer component's message iterator's \"next\" method: " |
d4393e08 | 1402 | "status=%s", |
d24d5663 | 1403 | bt_common_func_status_string(status)); |
fed72692 | 1404 | } |
958f7d11 | 1405 | |
d4393e08 | 1406 | return status; |
958f7d11 PP |
1407 | } |
1408 | ||
1409 | BT_HIDDEN | |
d24d5663 | 1410 | bt_component_class_port_connected_method_status muxer_input_port_connected( |
b19ff26f PP |
1411 | bt_self_component_filter *self_comp, |
1412 | bt_self_component_port_input *self_port, | |
1413 | const bt_port_output *other_port) | |
958f7d11 | 1414 | { |
d24d5663 PP |
1415 | bt_component_class_port_connected_method_status status = |
1416 | BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_OK; | |
1417 | bt_self_component_add_port_status add_port_status; | |
87ec3926 PP |
1418 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
1419 | bt_self_component_filter_as_self_component(self_comp)); | |
958f7d11 | 1420 | |
d24d5663 PP |
1421 | add_port_status = add_available_input_port(self_comp); |
1422 | if (add_port_status) { | |
5b6473ec | 1423 | BT_COMP_LOGE("Cannot add one muxer component's input port: " |
5badd463 | 1424 | "status=%s", |
d24d5663 PP |
1425 | bt_common_func_status_string(status)); |
1426 | ||
1427 | if (add_port_status == | |
1428 | BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR) { | |
1429 | status = BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_MEMORY_ERROR; | |
1430 | } else { | |
1431 | status = BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_ERROR; | |
1432 | } | |
1433 | ||
06a2cb0d PP |
1434 | goto end; |
1435 | } | |
1436 | ||
958f7d11 | 1437 | end: |
bf55043c | 1438 | return status; |
958f7d11 | 1439 | } |
b5443165 | 1440 | |
54bdc1f7 | 1441 | static inline |
a3f0c7db | 1442 | bt_message_iterator_class_can_seek_beginning_method_status |
f2fb1b32 SM |
1443 | muxer_upstream_msg_iters_can_all_seek_beginning( |
1444 | GPtrArray *muxer_upstream_msg_iters, bt_bool *can_seek) | |
b5443165 | 1445 | { |
a3f0c7db SM |
1446 | bt_message_iterator_class_can_seek_beginning_method_status status = |
1447 | BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK; | |
b5443165 | 1448 | uint64_t i; |
b5443165 | 1449 | |
54bdc1f7 | 1450 | for (i = 0; i < muxer_upstream_msg_iters->len; i++) { |
b5443165 | 1451 | struct muxer_upstream_msg_iter *upstream_msg_iter = |
54bdc1f7 | 1452 | muxer_upstream_msg_iters->pdata[i]; |
9a2c8b8e | 1453 | status = (int) bt_message_iterator_can_seek_beginning( |
f2fb1b32 | 1454 | upstream_msg_iter->msg_iter, can_seek); |
a3f0c7db | 1455 | if (status != BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK) { |
f2fb1b32 SM |
1456 | goto end; |
1457 | } | |
b5443165 | 1458 | |
f2fb1b32 | 1459 | if (!*can_seek) { |
b5443165 PP |
1460 | goto end; |
1461 | } | |
1462 | } | |
1463 | ||
f2fb1b32 SM |
1464 | *can_seek = BT_TRUE; |
1465 | ||
b5443165 | 1466 | end: |
f2fb1b32 | 1467 | return status; |
b5443165 PP |
1468 | } |
1469 | ||
54bdc1f7 | 1470 | BT_HIDDEN |
a3f0c7db | 1471 | bt_message_iterator_class_can_seek_beginning_method_status |
f2fb1b32 SM |
1472 | muxer_msg_iter_can_seek_beginning( |
1473 | bt_self_message_iterator *self_msg_iter, bt_bool *can_seek) | |
54bdc1f7 PP |
1474 | { |
1475 | struct muxer_msg_iter *muxer_msg_iter = | |
1476 | bt_self_message_iterator_get_data(self_msg_iter); | |
a3f0c7db | 1477 | bt_message_iterator_class_can_seek_beginning_method_status status; |
54bdc1f7 | 1478 | |
f2fb1b32 SM |
1479 | status = muxer_upstream_msg_iters_can_all_seek_beginning( |
1480 | muxer_msg_iter->active_muxer_upstream_msg_iters, can_seek); | |
a3f0c7db | 1481 | if (status != BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK) { |
54bdc1f7 PP |
1482 | goto end; |
1483 | } | |
1484 | ||
f2fb1b32 | 1485 | if (!*can_seek) { |
54bdc1f7 PP |
1486 | goto end; |
1487 | } | |
1488 | ||
f2fb1b32 SM |
1489 | status = muxer_upstream_msg_iters_can_all_seek_beginning( |
1490 | muxer_msg_iter->ended_muxer_upstream_msg_iters, can_seek); | |
1491 | ||
54bdc1f7 | 1492 | end: |
f2fb1b32 | 1493 | return status; |
54bdc1f7 PP |
1494 | } |
1495 | ||
b5443165 | 1496 | BT_HIDDEN |
a3f0c7db | 1497 | bt_message_iterator_class_seek_beginning_method_status muxer_msg_iter_seek_beginning( |
b5443165 PP |
1498 | bt_self_message_iterator *self_msg_iter) |
1499 | { | |
1500 | struct muxer_msg_iter *muxer_msg_iter = | |
1501 | bt_self_message_iterator_get_data(self_msg_iter); | |
a3f0c7db SM |
1502 | bt_message_iterator_class_seek_beginning_method_status status = |
1503 | BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; | |
d24d5663 | 1504 | bt_message_iterator_seek_beginning_status seek_beg_status; |
b5443165 PP |
1505 | uint64_t i; |
1506 | ||
54bdc1f7 PP |
1507 | /* Seek all ended upstream iterators first */ |
1508 | for (i = 0; i < muxer_msg_iter->ended_muxer_upstream_msg_iters->len; | |
1509 | i++) { | |
b5443165 | 1510 | struct muxer_upstream_msg_iter *upstream_msg_iter = |
54bdc1f7 | 1511 | muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i]; |
b5443165 | 1512 | |
9a2c8b8e | 1513 | seek_beg_status = bt_message_iterator_seek_beginning( |
b5443165 | 1514 | upstream_msg_iter->msg_iter); |
d24d5663 PP |
1515 | if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) { |
1516 | status = (int) seek_beg_status; | |
b5443165 PP |
1517 | goto end; |
1518 | } | |
54bdc1f7 PP |
1519 | |
1520 | empty_message_queue(upstream_msg_iter); | |
1521 | } | |
1522 | ||
1523 | /* Seek all previously active upstream iterators */ | |
1524 | for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len; | |
1525 | i++) { | |
1526 | struct muxer_upstream_msg_iter *upstream_msg_iter = | |
1527 | muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i]; | |
1528 | ||
9a2c8b8e | 1529 | seek_beg_status = bt_message_iterator_seek_beginning( |
54bdc1f7 | 1530 | upstream_msg_iter->msg_iter); |
d24d5663 PP |
1531 | if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) { |
1532 | status = (int) seek_beg_status; | |
54bdc1f7 PP |
1533 | goto end; |
1534 | } | |
1535 | ||
1536 | empty_message_queue(upstream_msg_iter); | |
1537 | } | |
1538 | ||
1539 | /* Make them all active */ | |
1540 | for (i = 0; i < muxer_msg_iter->ended_muxer_upstream_msg_iters->len; | |
1541 | i++) { | |
1542 | struct muxer_upstream_msg_iter *upstream_msg_iter = | |
1543 | muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i]; | |
1544 | ||
1545 | g_ptr_array_add(muxer_msg_iter->active_muxer_upstream_msg_iters, | |
1546 | upstream_msg_iter); | |
1547 | muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i] = NULL; | |
b5443165 PP |
1548 | } |
1549 | ||
3625612b MJ |
1550 | /* |
1551 | * GLib < 2.48.0 asserts when g_ptr_array_remove_range() is | |
1552 | * called on an empty array. | |
1553 | */ | |
1554 | if (muxer_msg_iter->ended_muxer_upstream_msg_iters->len > 0) { | |
1555 | g_ptr_array_remove_range(muxer_msg_iter->ended_muxer_upstream_msg_iters, | |
1556 | 0, muxer_msg_iter->ended_muxer_upstream_msg_iters->len); | |
1557 | } | |
b5443165 | 1558 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
54bdc1f7 PP |
1559 | muxer_msg_iter->clock_class_expectation = |
1560 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY; | |
b5443165 PP |
1561 | |
1562 | end: | |
d24d5663 | 1563 | return status; |
b5443165 | 1564 | } |