Commit | Line | Data |
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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) { |
090eb20a SM |
151 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
152 | "Failed to allocate one muxer's upstream message iterator wrapper."); | |
6c20f4a0 | 153 | goto error; |
958f7d11 PP |
154 | } |
155 | ||
87ec3926 | 156 | muxer_upstream_msg_iter->muxer_comp = muxer_comp; |
d6e69534 | 157 | muxer_upstream_msg_iter->msg_iter = self_msg_iter; |
9a2c8b8e | 158 | bt_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter); |
d6e69534 PP |
159 | muxer_upstream_msg_iter->msgs = g_queue_new(); |
160 | if (!muxer_upstream_msg_iter->msgs) { | |
090eb20a SM |
161 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
162 | "Failed to allocate a GQueue."); | |
6c20f4a0 | 163 | goto error; |
d4393e08 PP |
164 | } |
165 | ||
54bdc1f7 | 166 | g_ptr_array_add(muxer_msg_iter->active_muxer_upstream_msg_iters, |
d6e69534 | 167 | muxer_upstream_msg_iter); |
5b6473ec | 168 | BT_COMP_LOGD("Added muxer's upstream message iterator wrapper: " |
d6e69534 PP |
169 | "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p", |
170 | muxer_upstream_msg_iter, muxer_msg_iter, | |
171 | self_msg_iter); | |
958f7d11 | 172 | |
6c20f4a0 FD |
173 | goto end; |
174 | ||
175 | error: | |
6adf99d5 | 176 | destroy_muxer_upstream_msg_iter(muxer_upstream_msg_iter); |
c61018b9 | 177 | ret = -1; |
6c20f4a0 | 178 | |
958f7d11 | 179 | end: |
c61018b9 | 180 | return ret; |
958f7d11 PP |
181 | } |
182 | ||
958f7d11 | 183 | static |
d24d5663 | 184 | bt_self_component_add_port_status add_available_input_port( |
b19ff26f | 185 | bt_self_component_filter *self_comp) |
958f7d11 | 186 | { |
d94d92ac | 187 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 188 | bt_self_component_filter_as_self_component(self_comp)); |
d24d5663 PP |
189 | bt_self_component_add_port_status status = |
190 | BT_SELF_COMPONENT_ADD_PORT_STATUS_OK; | |
958f7d11 | 191 | GString *port_name = NULL; |
958f7d11 | 192 | |
f6ccaed9 | 193 | BT_ASSERT(muxer_comp); |
958f7d11 PP |
194 | port_name = g_string_new("in"); |
195 | if (!port_name) { | |
090eb20a | 196 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, "Failed to allocate a GString."); |
d24d5663 | 197 | status = BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR; |
958f7d11 PP |
198 | goto end; |
199 | } | |
200 | ||
201 | g_string_append_printf(port_name, "%u", muxer_comp->next_port_num); | |
d94d92ac PP |
202 | status = bt_self_component_filter_add_input_port( |
203 | self_comp, port_name->str, NULL, NULL); | |
d24d5663 | 204 | if (status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { |
090eb20a SM |
205 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
206 | "Cannot add input port to muxer component: " | |
fed72692 | 207 | "port-name=\"%s\", comp-addr=%p, status=%s", |
d94d92ac | 208 | port_name->str, self_comp, |
d24d5663 | 209 | bt_common_func_status_string(status)); |
958f7d11 PP |
210 | goto end; |
211 | } | |
212 | ||
213 | muxer_comp->available_input_ports++; | |
214 | muxer_comp->next_port_num++; | |
5b6473ec | 215 | BT_COMP_LOGI("Added one input port to muxer component: " |
fed72692 | 216 | "port-name=\"%s\", comp-addr=%p", |
d94d92ac | 217 | port_name->str, self_comp); |
5badd463 | 218 | |
958f7d11 PP |
219 | end: |
220 | if (port_name) { | |
221 | g_string_free(port_name, TRUE); | |
222 | } | |
223 | ||
147337a3 | 224 | return status; |
958f7d11 PP |
225 | } |
226 | ||
958f7d11 | 227 | static |
d24d5663 | 228 | bt_self_component_add_port_status create_output_port( |
b19ff26f | 229 | bt_self_component_filter *self_comp) |
958f7d11 | 230 | { |
d94d92ac PP |
231 | return bt_self_component_filter_add_output_port( |
232 | self_comp, "out", NULL, NULL); | |
958f7d11 PP |
233 | } |
234 | ||
235 | static | |
236 | void destroy_muxer_comp(struct muxer_comp *muxer_comp) | |
237 | { | |
238 | if (!muxer_comp) { | |
239 | return; | |
240 | } | |
241 | ||
958f7d11 PP |
242 | g_free(muxer_comp); |
243 | } | |
244 | ||
d9120ccb | 245 | static |
006c5ffb SM |
246 | struct bt_param_validation_map_value_entry_descr muxer_params[] = { |
247 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END | |
248 | }; | |
249 | ||
958f7d11 | 250 | BT_HIDDEN |
21a9f056 | 251 | bt_component_class_initialize_method_status muxer_init( |
5b6473ec | 252 | bt_self_component_filter *self_comp_flt, |
59225a3e | 253 | bt_self_component_filter_configuration *config, |
fdf0b89e | 254 | const bt_value *params, void *init_data) |
958f7d11 | 255 | { |
006c5ffb | 256 | bt_component_class_initialize_method_status status; |
d24d5663 | 257 | bt_self_component_add_port_status add_port_status; |
5b6473ec PP |
258 | bt_self_component *self_comp = |
259 | bt_self_component_filter_as_self_component(self_comp_flt); | |
958f7d11 | 260 | struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1); |
87ec3926 | 261 | bt_logging_level log_level = bt_component_get_logging_level( |
5b6473ec | 262 | bt_self_component_as_component(self_comp)); |
006c5ffb SM |
263 | enum bt_param_validation_status validation_status; |
264 | gchar *validate_error = NULL; | |
958f7d11 | 265 | |
5b6473ec | 266 | BT_COMP_LOG_CUR_LVL(BT_LOG_INFO, log_level, self_comp, |
87ec3926 | 267 | "Initializing muxer component: " |
d94d92ac | 268 | "comp-addr=%p, params-addr=%p", self_comp, params); |
fed72692 | 269 | |
958f7d11 | 270 | if (!muxer_comp) { |
090eb20a SM |
271 | /* |
272 | * Don't use BT_COMP_LOGE_APPEND_CAUSE, as `muxer_comp` is not | |
273 | * initialized. | |
274 | */ | |
5b6473ec | 275 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
87ec3926 | 276 | "Failed to allocate one muxer component."); |
090eb20a SM |
277 | BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_COMPONENT(self_comp, |
278 | "Failed to allocate one muxer component."); | |
279 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
958f7d11 PP |
280 | goto error; |
281 | } | |
282 | ||
87ec3926 | 283 | muxer_comp->log_level = log_level; |
5b6473ec PP |
284 | muxer_comp->self_comp = self_comp; |
285 | muxer_comp->self_comp_flt = self_comp_flt; | |
65ee897d | 286 | |
006c5ffb SM |
287 | validation_status = bt_param_validation_validate(params, |
288 | muxer_params, &validate_error); | |
289 | if (validation_status == BT_PARAM_VALIDATION_STATUS_MEMORY_ERROR) { | |
290 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
291 | goto error; | |
292 | } else if (validation_status == BT_PARAM_VALIDATION_STATUS_VALIDATION_ERROR) { | |
293 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
294 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "%s", validate_error); | |
295 | goto error; | |
296 | } | |
297 | ||
5b6473ec | 298 | bt_self_component_set_data(self_comp, muxer_comp); |
d24d5663 PP |
299 | add_port_status = add_available_input_port(self_comp_flt); |
300 | if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { | |
090eb20a SM |
301 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
302 | "Cannot ensure that at least one muxer component's input port is available: " | |
fed72692 | 303 | "muxer-comp-addr=%p, status=%s", |
090eb20a | 304 | muxer_comp, bt_common_func_status_string(add_port_status)); |
006c5ffb | 305 | status = (int) add_port_status; |
958f7d11 PP |
306 | goto error; |
307 | } | |
308 | ||
d24d5663 PP |
309 | add_port_status = create_output_port(self_comp_flt); |
310 | if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { | |
090eb20a SM |
311 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
312 | "Cannot create muxer component's output port: " | |
fed72692 | 313 | "muxer-comp-addr=%p, status=%s", |
090eb20a | 314 | muxer_comp, bt_common_func_status_string(add_port_status)); |
006c5ffb | 315 | status = (int) add_port_status; |
958f7d11 PP |
316 | goto error; |
317 | } | |
318 | ||
5b6473ec | 319 | BT_COMP_LOGI("Initialized muxer component: " |
fed72692 | 320 | "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p", |
d94d92ac | 321 | self_comp, params, muxer_comp); |
fed72692 | 322 | |
006c5ffb | 323 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; |
958f7d11 PP |
324 | goto end; |
325 | ||
326 | error: | |
327 | destroy_muxer_comp(muxer_comp); | |
5b6473ec | 328 | bt_self_component_set_data(self_comp, NULL); |
147337a3 | 329 | |
958f7d11 | 330 | end: |
006c5ffb | 331 | g_free(validate_error); |
958f7d11 PP |
332 | return status; |
333 | } | |
334 | ||
335 | BT_HIDDEN | |
b19ff26f | 336 | void muxer_finalize(bt_self_component_filter *self_comp) |
958f7d11 | 337 | { |
d94d92ac | 338 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
707b7d35 | 339 | bt_self_component_filter_as_self_component(self_comp)); |
958f7d11 | 340 | |
5b6473ec | 341 | BT_COMP_LOGI("Finalizing muxer component: comp-addr=%p", |
d94d92ac | 342 | self_comp); |
958f7d11 PP |
343 | destroy_muxer_comp(muxer_comp); |
344 | } | |
345 | ||
346 | static | |
9a2c8b8e | 347 | bt_message_iterator_create_from_message_iterator_status |
87ec3926 | 348 | create_msg_iter_on_input_port(struct muxer_comp *muxer_comp, |
ca02df0a | 349 | struct muxer_msg_iter *muxer_msg_iter, |
e803df70 | 350 | bt_self_component_port_input *self_port, |
9a2c8b8e | 351 | bt_message_iterator **msg_iter) |
958f7d11 | 352 | { |
b19ff26f | 353 | const bt_port *port = bt_self_component_port_as_port( |
707b7d35 | 354 | bt_self_component_port_input_as_self_component_port( |
d94d92ac | 355 | self_port)); |
9a2c8b8e | 356 | bt_message_iterator_create_from_message_iterator_status |
e803df70 | 357 | status; |
958f7d11 | 358 | |
f6ccaed9 PP |
359 | BT_ASSERT(port); |
360 | BT_ASSERT(bt_port_is_connected(port)); | |
958f7d11 | 361 | |
ab11110e | 362 | // TODO: Advance the iterator to >= the time of the latest |
d6e69534 | 363 | // returned message by the muxer message |
ab11110e | 364 | // iterator which creates it. |
9a2c8b8e | 365 | status = bt_message_iterator_create_from_message_iterator( |
e803df70 | 366 | muxer_msg_iter->self_msg_iter, self_port, msg_iter); |
9a2c8b8e | 367 | if (status != BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) { |
090eb20a SM |
368 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
369 | "Cannot create upstream message iterator on input port: " | |
d94d92ac PP |
370 | "port-addr=%p, port-name=\"%s\"", |
371 | port, bt_port_get_name(port)); | |
958f7d11 PP |
372 | goto end; |
373 | } | |
374 | ||
5b6473ec | 375 | BT_COMP_LOGI("Created upstream message iterator on input port: " |
d6e69534 PP |
376 | "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p", |
377 | port, bt_port_get_name(port), msg_iter); | |
fed72692 | 378 | |
958f7d11 | 379 | end: |
e803df70 | 380 | return status; |
958f7d11 PP |
381 | } |
382 | ||
ab11110e | 383 | static |
a3f0c7db | 384 | bt_message_iterator_class_next_method_status muxer_upstream_msg_iter_next( |
54bdc1f7 PP |
385 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter, |
386 | bool *is_ended) | |
ab11110e | 387 | { |
7fb13d3f | 388 | struct muxer_comp *muxer_comp = muxer_upstream_msg_iter->muxer_comp; |
a3f0c7db | 389 | bt_message_iterator_class_next_method_status status; |
d24d5663 | 390 | bt_message_iterator_next_status input_port_iter_status; |
d6e69534 | 391 | bt_message_array_const msgs; |
d4393e08 PP |
392 | uint64_t i; |
393 | uint64_t count; | |
ab11110e | 394 | |
5b6473ec | 395 | BT_COMP_LOGD("Calling upstream message iterator's \"next\" method: " |
d6e69534 PP |
396 | "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p", |
397 | muxer_upstream_msg_iter, | |
398 | muxer_upstream_msg_iter->msg_iter); | |
9a2c8b8e | 399 | input_port_iter_status = bt_message_iterator_next( |
d6e69534 | 400 | muxer_upstream_msg_iter->msg_iter, &msgs, &count); |
5b6473ec | 401 | BT_COMP_LOGD("Upstream message iterator's \"next\" method returned: " |
d24d5663 PP |
402 | "status=%s", |
403 | bt_common_func_status_string(input_port_iter_status)); | |
ab11110e | 404 | |
fdf0b89e | 405 | switch (input_port_iter_status) { |
d24d5663 | 406 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK: |
089717de | 407 | /* |
d6e69534 | 408 | * Message iterator's current message is |
d4393e08 | 409 | * valid: it must be considered for muxing operations. |
089717de | 410 | */ |
5b6473ec | 411 | BT_COMP_LOGD_STR("Validated upstream message iterator wrapper."); |
98b15851 | 412 | BT_ASSERT_DBG(count > 0); |
d4393e08 | 413 | |
d6e69534 | 414 | /* Move messages to our queue */ |
d4393e08 PP |
415 | for (i = 0; i < count; i++) { |
416 | /* | |
417 | * Push to tail in order; other side | |
d6e69534 | 418 | * (muxer_msg_iter_do_next_one()) consumes |
d4393e08 PP |
419 | * from the head first. |
420 | */ | |
d6e69534 PP |
421 | g_queue_push_tail(muxer_upstream_msg_iter->msgs, |
422 | (void *) msgs[i]); | |
d4393e08 | 423 | } |
a3f0c7db | 424 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
ab11110e | 425 | break; |
d24d5663 | 426 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN: |
089717de | 427 | /* |
d6e69534 | 428 | * Message iterator's current message is not |
089717de | 429 | * valid anymore. Return |
d24d5663 | 430 | * BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN immediately. |
089717de | 431 | */ |
a3f0c7db | 432 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_AGAIN; |
ab11110e | 433 | break; |
d24d5663 | 434 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_END: /* Fall-through. */ |
ab11110e | 435 | /* |
d6e69534 | 436 | * Message iterator reached the end: release it. It |
ab11110e | 437 | * won't be considered again to find the youngest |
d6e69534 | 438 | * message. |
ab11110e | 439 | */ |
54bdc1f7 | 440 | *is_ended = true; |
a3f0c7db | 441 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
089717de | 442 | break; |
7fb13d3f SM |
443 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_ERROR: |
444 | case BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR: | |
445 | /* Error status code */ | |
446 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, | |
447 | "Upstream iterator's next method returned an error: status=%s", | |
448 | bt_common_func_status_string(input_port_iter_status)); | |
449 | status = (int) input_port_iter_status; | |
450 | break; | |
ab11110e | 451 | default: |
7fb13d3f SM |
452 | /* Unsupported status code */ |
453 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, | |
454 | "Unsupported status code: status=%s", | |
455 | bt_common_func_status_string(input_port_iter_status)); | |
a3f0c7db | 456 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
089717de | 457 | break; |
ab11110e PP |
458 | } |
459 | ||
089717de | 460 | return status; |
ab11110e PP |
461 | } |
462 | ||
958f7d11 | 463 | static |
d6e69534 PP |
464 | int get_msg_ts_ns(struct muxer_comp *muxer_comp, |
465 | struct muxer_msg_iter *muxer_msg_iter, | |
466 | const bt_message *msg, int64_t last_returned_ts_ns, | |
958f7d11 PP |
467 | int64_t *ts_ns) |
468 | { | |
605e1019 | 469 | const bt_clock_snapshot *clock_snapshot = NULL; |
958f7d11 | 470 | int ret = 0; |
649934d2 PP |
471 | const bt_stream_class *stream_class = NULL; |
472 | bt_message_type msg_type; | |
958f7d11 | 473 | |
98b15851 PP |
474 | BT_ASSERT_DBG(msg); |
475 | BT_ASSERT_DBG(ts_ns); | |
5b6473ec | 476 | BT_COMP_LOGD("Getting message's timestamp: " |
d6e69534 | 477 | "muxer-msg-iter-addr=%p, msg-addr=%p, " |
fed72692 | 478 | "last-returned-ts=%" PRId64, |
d6e69534 | 479 | muxer_msg_iter, msg, last_returned_ts_ns); |
fed72692 | 480 | |
91d81473 | 481 | if (G_UNLIKELY(muxer_msg_iter->clock_class_expectation == |
60f3d027 PP |
482 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE)) { |
483 | *ts_ns = last_returned_ts_ns; | |
484 | goto end; | |
485 | } | |
486 | ||
649934d2 PP |
487 | msg_type = bt_message_get_type(msg); |
488 | ||
91d81473 | 489 | if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_PACKET_BEGINNING)) { |
649934d2 PP |
490 | stream_class = bt_stream_borrow_class_const( |
491 | bt_packet_borrow_stream_const( | |
492 | bt_message_packet_beginning_borrow_packet_const( | |
493 | msg))); | |
91d81473 | 494 | } else if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_PACKET_END)) { |
649934d2 PP |
495 | stream_class = bt_stream_borrow_class_const( |
496 | bt_packet_borrow_stream_const( | |
497 | bt_message_packet_end_borrow_packet_const( | |
498 | msg))); | |
91d81473 | 499 | } else if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_DISCARDED_EVENTS)) { |
2e90378a PP |
500 | stream_class = bt_stream_borrow_class_const( |
501 | bt_message_discarded_events_borrow_stream_const(msg)); | |
91d81473 | 502 | } else if (G_UNLIKELY(msg_type == BT_MESSAGE_TYPE_DISCARDED_PACKETS)) { |
2e90378a PP |
503 | stream_class = bt_stream_borrow_class_const( |
504 | bt_message_discarded_packets_borrow_stream_const(msg)); | |
649934d2 PP |
505 | } |
506 | ||
507 | switch (msg_type) { | |
d6e69534 | 508 | case BT_MESSAGE_TYPE_EVENT: |
98b15851 | 509 | BT_ASSERT_DBG(bt_message_event_borrow_stream_class_default_clock_class_const( |
60f3d027 | 510 | msg)); |
0cbc2c33 PP |
511 | clock_snapshot = bt_message_event_borrow_default_clock_snapshot_const( |
512 | msg); | |
958f7d11 | 513 | break; |
5366eb53 | 514 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: |
9b24b6aa | 515 | if (bt_stream_class_packets_have_beginning_default_clock_snapshot( |
649934d2 PP |
516 | stream_class)) { |
517 | clock_snapshot = bt_message_packet_beginning_borrow_default_clock_snapshot_const( | |
518 | msg); | |
519 | } else { | |
520 | goto no_clock_snapshot; | |
521 | } | |
522 | ||
5366eb53 PP |
523 | break; |
524 | case BT_MESSAGE_TYPE_PACKET_END: | |
9b24b6aa | 525 | if (bt_stream_class_packets_have_end_default_clock_snapshot( |
649934d2 PP |
526 | stream_class)) { |
527 | clock_snapshot = bt_message_packet_end_borrow_default_clock_snapshot_const( | |
528 | msg); | |
529 | } else { | |
530 | goto no_clock_snapshot; | |
531 | } | |
532 | ||
5366eb53 | 533 | break; |
c47138bf FD |
534 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: |
535 | { | |
536 | enum bt_message_stream_clock_snapshot_state snapshot_state = | |
537 | bt_message_stream_beginning_borrow_default_clock_snapshot_const( | |
538 | msg, &clock_snapshot); | |
539 | if (snapshot_state == BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_UNKNOWN) { | |
540 | goto no_clock_snapshot; | |
541 | } | |
542 | ||
543 | break; | |
544 | } | |
545 | case BT_MESSAGE_TYPE_STREAM_END: | |
546 | { | |
547 | enum bt_message_stream_clock_snapshot_state snapshot_state = | |
548 | bt_message_stream_end_borrow_default_clock_snapshot_const( | |
549 | msg, &clock_snapshot); | |
550 | if (snapshot_state == BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_UNKNOWN) { | |
551 | goto no_clock_snapshot; | |
552 | } | |
553 | ||
554 | break; | |
555 | } | |
5366eb53 | 556 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: |
2e90378a PP |
557 | if (bt_stream_class_discarded_events_have_default_clock_snapshots( |
558 | stream_class)) { | |
9b24b6aa | 559 | clock_snapshot = bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const( |
2e90378a PP |
560 | msg); |
561 | } else { | |
562 | goto no_clock_snapshot; | |
563 | } | |
564 | ||
5366eb53 PP |
565 | break; |
566 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: | |
2e90378a PP |
567 | if (bt_stream_class_discarded_packets_have_default_clock_snapshots( |
568 | stream_class)) { | |
9b24b6aa | 569 | clock_snapshot = bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const( |
2e90378a PP |
570 | msg); |
571 | } else { | |
572 | goto no_clock_snapshot; | |
573 | } | |
574 | ||
5366eb53 | 575 | break; |
b9fd9cbb | 576 | case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY: |
60d02328 | 577 | clock_snapshot = bt_message_message_iterator_inactivity_borrow_clock_snapshot_const( |
0cbc2c33 | 578 | msg); |
958f7d11 PP |
579 | break; |
580 | default: | |
d6e69534 | 581 | /* All the other messages have a higher priority */ |
5b6473ec | 582 | BT_COMP_LOGD_STR("Message has no timestamp: using the last returned timestamp."); |
958f7d11 PP |
583 | *ts_ns = last_returned_ts_ns; |
584 | goto end; | |
585 | } | |
586 | ||
60f3d027 PP |
587 | ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns); |
588 | if (ret) { | |
090eb20a SM |
589 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
590 | "Cannot get nanoseconds from Epoch of clock snapshot: " | |
60f3d027 PP |
591 | "clock-snapshot-addr=%p", clock_snapshot); |
592 | goto error; | |
593 | } | |
594 | ||
595 | goto end; | |
596 | ||
597 | no_clock_snapshot: | |
5b6473ec | 598 | BT_COMP_LOGD_STR("Message's default clock snapshot is missing: " |
60f3d027 PP |
599 | "using the last returned timestamp."); |
600 | *ts_ns = last_returned_ts_ns; | |
601 | goto end; | |
602 | ||
603 | error: | |
604 | ret = -1; | |
605 | ||
606 | end: | |
607 | if (ret == 0) { | |
5b6473ec | 608 | BT_COMP_LOGD("Found message's timestamp: " |
60f3d027 PP |
609 | "muxer-msg-iter-addr=%p, msg-addr=%p, " |
610 | "last-returned-ts=%" PRId64 ", ts=%" PRId64, | |
611 | muxer_msg_iter, msg, last_returned_ts_ns, | |
612 | *ts_ns); | |
44c440bc PP |
613 | } |
614 | ||
60f3d027 PP |
615 | return ret; |
616 | } | |
617 | ||
618 | static inline | |
619 | int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter, | |
620 | struct muxer_comp *muxer_comp, | |
621 | const bt_clock_class *clock_class) | |
622 | { | |
623 | int ret = 0; | |
6162e6b7 | 624 | const uint8_t *cc_uuid; |
60f3d027 PP |
625 | const char *cc_name; |
626 | ||
98b15851 | 627 | BT_ASSERT_DBG(clock_class); |
50842bdc PP |
628 | cc_uuid = bt_clock_class_get_uuid(clock_class); |
629 | cc_name = bt_clock_class_get_name(clock_class); | |
282c8cd0 | 630 | |
d6e69534 PP |
631 | if (muxer_msg_iter->clock_class_expectation == |
632 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
282c8cd0 | 633 | /* |
74f4949e FD |
634 | * This is the first clock class that this muxer message |
635 | * iterator encounters. Its properties determine what to expect | |
636 | * for the whole lifetime of the iterator. | |
282c8cd0 | 637 | */ |
5552377a | 638 | if (bt_clock_class_origin_is_unix_epoch(clock_class)) { |
282c8cd0 | 639 | /* Expect absolute clock classes */ |
d6e69534 PP |
640 | muxer_msg_iter->clock_class_expectation = |
641 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE; | |
282c8cd0 PP |
642 | } else { |
643 | if (cc_uuid) { | |
644 | /* | |
645 | * Expect non-absolute clock classes | |
646 | * with a specific UUID. | |
647 | */ | |
d6e69534 PP |
648 | muxer_msg_iter->clock_class_expectation = |
649 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID; | |
6162e6b7 | 650 | bt_uuid_copy(muxer_msg_iter->expected_clock_class_uuid, cc_uuid); |
282c8cd0 PP |
651 | } else { |
652 | /* | |
653 | * Expect non-absolute clock classes | |
654 | * with no UUID. | |
655 | */ | |
d6e69534 PP |
656 | muxer_msg_iter->clock_class_expectation = |
657 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID; | |
282c8cd0 PP |
658 | } |
659 | } | |
660 | } | |
661 | ||
74f4949e FD |
662 | switch (muxer_msg_iter->clock_class_expectation) { |
663 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE: | |
664 | if (!bt_clock_class_origin_is_unix_epoch(clock_class)) { | |
090eb20a SM |
665 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
666 | "Expecting an absolute clock class, " | |
74f4949e FD |
667 | "but got a non-absolute one: " |
668 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
669 | clock_class, cc_name); | |
670 | goto error; | |
671 | } | |
672 | break; | |
673 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID: | |
674 | if (bt_clock_class_origin_is_unix_epoch(clock_class)) { | |
090eb20a SM |
675 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
676 | "Expecting a non-absolute clock class with no UUID, " | |
74f4949e FD |
677 | "but got an absolute one: " |
678 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
679 | clock_class, cc_name); | |
680 | goto error; | |
681 | } | |
282c8cd0 | 682 | |
74f4949e | 683 | if (cc_uuid) { |
090eb20a SM |
684 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
685 | "Expecting a non-absolute clock class with no UUID, " | |
74f4949e FD |
686 | "but got one with a UUID: " |
687 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
688 | "uuid=\"" BT_UUID_FMT "\"", | |
689 | clock_class, cc_name, BT_UUID_FMT_VALUES(cc_uuid)); | |
690 | goto error; | |
691 | } | |
692 | break; | |
693 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID: | |
694 | if (bt_clock_class_origin_is_unix_epoch(clock_class)) { | |
090eb20a SM |
695 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
696 | "Expecting a non-absolute clock class with a specific UUID, " | |
74f4949e FD |
697 | "but got an absolute one: " |
698 | "clock-class-addr=%p, clock-class-name=\"%s\"", | |
699 | clock_class, cc_name); | |
700 | goto error; | |
701 | } | |
282c8cd0 | 702 | |
74f4949e | 703 | if (!cc_uuid) { |
090eb20a SM |
704 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
705 | "Expecting a non-absolute clock class with a specific UUID, " | |
74f4949e | 706 | "but got one with no UUID: " |
60f3d027 PP |
707 | "clock-class-addr=%p, clock-class-name=\"%s\"", |
708 | clock_class, cc_name); | |
709 | goto error; | |
282c8cd0 | 710 | } |
74f4949e FD |
711 | |
712 | if (bt_uuid_compare(muxer_msg_iter->expected_clock_class_uuid, cc_uuid) != 0) { | |
090eb20a SM |
713 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
714 | "Expecting a non-absolute clock class with a specific UUID, " | |
74f4949e FD |
715 | "but got one with different UUID: " |
716 | "clock-class-addr=%p, clock-class-name=\"%s\", " | |
717 | "expected-uuid=\"" BT_UUID_FMT "\", " | |
718 | "uuid=\"" BT_UUID_FMT "\"", | |
719 | clock_class, cc_name, | |
720 | BT_UUID_FMT_VALUES(muxer_msg_iter->expected_clock_class_uuid), | |
721 | BT_UUID_FMT_VALUES(cc_uuid)); | |
722 | goto error; | |
723 | } | |
724 | break; | |
725 | case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE: | |
090eb20a SM |
726 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
727 | "Expecting no clock class, but got one: " | |
74f4949e FD |
728 | "clock-class-addr=%p, clock-class-name=\"%s\"", |
729 | clock_class, cc_name); | |
730 | goto error; | |
731 | default: | |
732 | /* Unexpected */ | |
733 | BT_COMP_LOGF("Unexpected clock class expectation: " | |
734 | "expectation-code=%d", | |
735 | muxer_msg_iter->clock_class_expectation); | |
498e7994 | 736 | bt_common_abort(); |
958f7d11 PP |
737 | } |
738 | ||
4c0f1c8c PP |
739 | goto end; |
740 | ||
958f7d11 PP |
741 | error: |
742 | ret = -1; | |
743 | ||
744 | end: | |
60f3d027 PP |
745 | return ret; |
746 | } | |
747 | ||
748 | static inline | |
749 | int validate_new_stream_clock_class(struct muxer_msg_iter *muxer_msg_iter, | |
750 | struct muxer_comp *muxer_comp, const bt_stream *stream) | |
751 | { | |
752 | int ret = 0; | |
753 | const bt_stream_class *stream_class = | |
754 | bt_stream_borrow_class_const(stream); | |
755 | const bt_clock_class *clock_class = | |
756 | bt_stream_class_borrow_default_clock_class_const(stream_class); | |
757 | ||
758 | if (!clock_class) { | |
759 | if (muxer_msg_iter->clock_class_expectation == | |
760 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) { | |
761 | /* Expect no clock class */ | |
762 | muxer_msg_iter->clock_class_expectation = | |
763 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE; | |
9244b07a SM |
764 | } else if (muxer_msg_iter->clock_class_expectation != |
765 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE) { | |
090eb20a SM |
766 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
767 | "Expecting stream class without a default clock class: " | |
60f3d027 PP |
768 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
769 | "stream-class-id=%" PRIu64, | |
770 | stream_class, bt_stream_class_get_name(stream_class), | |
771 | bt_stream_class_get_id(stream_class)); | |
772 | ret = -1; | |
773 | } | |
774 | ||
775 | goto end; | |
fed72692 PP |
776 | } |
777 | ||
60f3d027 PP |
778 | ret = validate_clock_class(muxer_msg_iter, muxer_comp, clock_class); |
779 | ||
780 | end: | |
958f7d11 PP |
781 | return ret; |
782 | } | |
783 | ||
ab11110e | 784 | /* |
d6e69534 PP |
785 | * This function finds the youngest available message amongst the |
786 | * non-ended upstream message iterators and returns the upstream | |
787 | * message iterator which has it, or | |
788 | * BT_MESSAGE_ITERATOR_STATUS_END if there's no available | |
789 | * message. | |
ab11110e PP |
790 | * |
791 | * This function does NOT: | |
792 | * | |
d6e69534 | 793 | * * Update any upstream message iterator. |
d6e69534 | 794 | * * Check the upstream message iterators to retry. |
ab11110e | 795 | * |
d6e69534 PP |
796 | * On sucess, this function sets *muxer_upstream_msg_iter to the |
797 | * upstream message iterator of which the current message is | |
ab11110e PP |
798 | * the youngest, and sets *ts_ns to its time. |
799 | */ | |
958f7d11 | 800 | static |
a3f0c7db | 801 | bt_message_iterator_class_next_method_status |
d6e69534 | 802 | muxer_msg_iter_youngest_upstream_msg_iter( |
958f7d11 | 803 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
804 | struct muxer_msg_iter *muxer_msg_iter, |
805 | struct muxer_upstream_msg_iter **muxer_upstream_msg_iter, | |
958f7d11 PP |
806 | int64_t *ts_ns) |
807 | { | |
808 | size_t i; | |
809 | int ret; | |
810 | int64_t youngest_ts_ns = INT64_MAX; | |
a3f0c7db SM |
811 | bt_message_iterator_class_next_method_status status = |
812 | BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
958f7d11 | 813 | |
98b15851 PP |
814 | BT_ASSERT_DBG(muxer_comp); |
815 | BT_ASSERT_DBG(muxer_msg_iter); | |
816 | BT_ASSERT_DBG(muxer_upstream_msg_iter); | |
d6e69534 PP |
817 | *muxer_upstream_msg_iter = NULL; |
818 | ||
54bdc1f7 PP |
819 | for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len; |
820 | i++) { | |
d6e69534 PP |
821 | const bt_message *msg; |
822 | struct muxer_upstream_msg_iter *cur_muxer_upstream_msg_iter = | |
54bdc1f7 PP |
823 | g_ptr_array_index( |
824 | muxer_msg_iter->active_muxer_upstream_msg_iters, | |
825 | i); | |
d6e69534 PP |
826 | int64_t msg_ts_ns; |
827 | ||
828 | if (!cur_muxer_upstream_msg_iter->msg_iter) { | |
829 | /* This upstream message iterator is ended */ | |
ef267d12 | 830 | BT_COMP_LOGT("Skipping ended upstream message iterator: " |
d6e69534 PP |
831 | "muxer-upstream-msg-iter-wrap-addr=%p", |
832 | cur_muxer_upstream_msg_iter); | |
958f7d11 PP |
833 | continue; |
834 | } | |
835 | ||
98b15851 | 836 | BT_ASSERT_DBG(cur_muxer_upstream_msg_iter->msgs->length > 0); |
d6e69534 | 837 | msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs); |
98b15851 | 838 | BT_ASSERT_DBG(msg); |
60f3d027 | 839 | |
91d81473 | 840 | if (G_UNLIKELY(bt_message_get_type(msg) == |
60f3d027 PP |
841 | BT_MESSAGE_TYPE_STREAM_BEGINNING)) { |
842 | ret = validate_new_stream_clock_class( | |
843 | muxer_msg_iter, muxer_comp, | |
844 | bt_message_stream_beginning_borrow_stream_const( | |
845 | msg)); | |
846 | if (ret) { | |
847 | /* | |
848 | * validate_new_stream_clock_class() logs | |
849 | * errors. | |
850 | */ | |
a3f0c7db | 851 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
60f3d027 PP |
852 | goto end; |
853 | } | |
91d81473 | 854 | } else if (G_UNLIKELY(bt_message_get_type(msg) == |
60f3d027 PP |
855 | BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY)) { |
856 | const bt_clock_snapshot *cs; | |
60f3d027 | 857 | |
60d02328 | 858 | cs = bt_message_message_iterator_inactivity_borrow_clock_snapshot_const( |
0cbc2c33 | 859 | msg); |
60f3d027 PP |
860 | ret = validate_clock_class(muxer_msg_iter, muxer_comp, |
861 | bt_clock_snapshot_borrow_clock_class_const(cs)); | |
862 | if (ret) { | |
863 | /* validate_clock_class() logs errors */ | |
a3f0c7db | 864 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
60f3d027 PP |
865 | goto end; |
866 | } | |
867 | } | |
868 | ||
d6e69534 PP |
869 | ret = get_msg_ts_ns(muxer_comp, muxer_msg_iter, msg, |
870 | muxer_msg_iter->last_returned_ts_ns, &msg_ts_ns); | |
958f7d11 | 871 | if (ret) { |
d6e69534 PP |
872 | /* get_msg_ts_ns() logs errors */ |
873 | *muxer_upstream_msg_iter = NULL; | |
a3f0c7db | 874 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
958f7d11 PP |
875 | goto end; |
876 | } | |
877 | ||
e5b2784a FD |
878 | /* |
879 | * Update the current message iterator if it has not been set | |
880 | * yet, or if its current message has a timestamp smaller than | |
881 | * the previously selected youngest message. | |
882 | */ | |
883 | if (G_UNLIKELY(*muxer_upstream_msg_iter == NULL) || | |
884 | msg_ts_ns < youngest_ts_ns) { | |
d6e69534 PP |
885 | *muxer_upstream_msg_iter = |
886 | cur_muxer_upstream_msg_iter; | |
887 | youngest_ts_ns = msg_ts_ns; | |
958f7d11 | 888 | *ts_ns = youngest_ts_ns; |
6915f47a FD |
889 | } else if (msg_ts_ns == youngest_ts_ns) { |
890 | /* | |
891 | * The currently selected message to be sent downstream | |
892 | * next has the exact same timestamp that of the | |
893 | * current candidate message. We must break the tie | |
894 | * in a predictable manner. | |
895 | */ | |
896 | const bt_message *selected_msg = g_queue_peek_head( | |
897 | (*muxer_upstream_msg_iter)->msgs); | |
898 | BT_COMP_LOGD_STR("Two of the next message candidates have the same timestamps, pick one deterministically."); | |
899 | ||
900 | /* | |
901 | * Order the messages in an arbitrary but determinitic | |
902 | * way. | |
903 | */ | |
1aca5200 | 904 | ret = common_muxing_compare_messages(msg, selected_msg); |
6915f47a FD |
905 | if (ret < 0) { |
906 | /* | |
907 | * The `msg` should go first. Update the next | |
908 | * iterator and the current timestamp. | |
909 | */ | |
910 | *muxer_upstream_msg_iter = | |
911 | cur_muxer_upstream_msg_iter; | |
912 | youngest_ts_ns = msg_ts_ns; | |
913 | *ts_ns = youngest_ts_ns; | |
914 | } else if (ret == 0) { | |
915 | /* Unable to pick which one should go first. */ | |
916 | BT_COMP_LOGW("Cannot deterministically pick next upstream message iterator because they have identical next messages: " | |
917 | "muxer-upstream-msg-iter-wrap-addr=%p" | |
918 | "cur-muxer-upstream-msg-iter-wrap-addr=%p", | |
919 | *muxer_upstream_msg_iter, | |
920 | cur_muxer_upstream_msg_iter); | |
921 | } | |
958f7d11 PP |
922 | } |
923 | } | |
924 | ||
d6e69534 | 925 | if (!*muxer_upstream_msg_iter) { |
a3f0c7db | 926 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; |
958f7d11 PP |
927 | *ts_ns = INT64_MIN; |
928 | } | |
929 | ||
930 | end: | |
931 | return status; | |
932 | } | |
933 | ||
934 | static | |
a3f0c7db | 935 | bt_message_iterator_class_next_method_status |
d24d5663 | 936 | validate_muxer_upstream_msg_iter( |
54bdc1f7 PP |
937 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter, |
938 | bool *is_ended) | |
958f7d11 | 939 | { |
7fb13d3f | 940 | struct muxer_comp *muxer_comp = muxer_upstream_msg_iter->muxer_comp; |
a3f0c7db | 941 | bt_message_iterator_class_next_method_status status; |
958f7d11 | 942 | |
5b6473ec | 943 | BT_COMP_LOGD("Validating muxer's upstream message iterator wrapper: " |
d6e69534 PP |
944 | "muxer-upstream-msg-iter-wrap-addr=%p", |
945 | muxer_upstream_msg_iter); | |
fed72692 | 946 | |
d6e69534 PP |
947 | if (muxer_upstream_msg_iter->msgs->length > 0 || |
948 | !muxer_upstream_msg_iter->msg_iter) { | |
5b6473ec | 949 | BT_COMP_LOGD("Already valid or not considered: " |
d6e69534 PP |
950 | "queue-len=%u, upstream-msg-iter-addr=%p", |
951 | muxer_upstream_msg_iter->msgs->length, | |
952 | muxer_upstream_msg_iter->msg_iter); | |
a3f0c7db | 953 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
ab11110e PP |
954 | goto end; |
955 | } | |
956 | ||
d6e69534 | 957 | /* muxer_upstream_msg_iter_next() logs details/errors */ |
54bdc1f7 PP |
958 | status = muxer_upstream_msg_iter_next(muxer_upstream_msg_iter, |
959 | is_ended); | |
089717de PP |
960 | |
961 | end: | |
962 | return status; | |
963 | } | |
964 | ||
965 | static | |
a3f0c7db | 966 | bt_message_iterator_class_next_method_status |
d24d5663 | 967 | validate_muxer_upstream_msg_iters( |
d6e69534 | 968 | struct muxer_msg_iter *muxer_msg_iter) |
089717de | 969 | { |
87ec3926 | 970 | struct muxer_comp *muxer_comp = muxer_msg_iter->muxer_comp; |
a3f0c7db | 971 | bt_message_iterator_class_next_method_status status; |
089717de PP |
972 | size_t i; |
973 | ||
5b6473ec | 974 | BT_COMP_LOGD("Validating muxer's upstream message iterator wrappers: " |
d6e69534 | 975 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
fed72692 | 976 | |
54bdc1f7 PP |
977 | for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len; |
978 | i++) { | |
6bf2abbd | 979 | bool is_ended = false; |
d6e69534 | 980 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = |
089717de | 981 | g_ptr_array_index( |
54bdc1f7 | 982 | muxer_msg_iter->active_muxer_upstream_msg_iters, |
089717de PP |
983 | i); |
984 | ||
d6e69534 | 985 | status = validate_muxer_upstream_msg_iter( |
54bdc1f7 | 986 | muxer_upstream_msg_iter, &is_ended); |
a3f0c7db | 987 | if (status != BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
fed72692 | 988 | if (status < 0) { |
7fb13d3f SM |
989 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
990 | "Cannot validate muxer's upstream message iterator wrapper: " | |
d6e69534 PP |
991 | "muxer-msg-iter-addr=%p, " |
992 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
993 | muxer_msg_iter, | |
994 | muxer_upstream_msg_iter); | |
fed72692 | 995 | } else { |
5b6473ec | 996 | BT_COMP_LOGD("Cannot validate muxer's upstream message iterator wrapper: " |
d6e69534 PP |
997 | "muxer-msg-iter-addr=%p, " |
998 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
999 | muxer_msg_iter, | |
1000 | muxer_upstream_msg_iter); | |
fed72692 PP |
1001 | } |
1002 | ||
089717de PP |
1003 | goto end; |
1004 | } | |
744ba28b PP |
1005 | |
1006 | /* | |
54bdc1f7 PP |
1007 | * Move this muxer upstream message iterator to the |
1008 | * array of ended iterators if it's ended. | |
744ba28b | 1009 | */ |
91d81473 | 1010 | if (G_UNLIKELY(is_ended)) { |
5b6473ec | 1011 | BT_COMP_LOGD("Muxer's upstream message iterator wrapper: ended or canceled: " |
54bdc1f7 PP |
1012 | "muxer-msg-iter-addr=%p, " |
1013 | "muxer-upstream-msg-iter-wrap-addr=%p", | |
1014 | muxer_msg_iter, muxer_upstream_msg_iter); | |
1015 | g_ptr_array_add( | |
1016 | muxer_msg_iter->ended_muxer_upstream_msg_iters, | |
1017 | muxer_upstream_msg_iter); | |
1018 | muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i] = NULL; | |
1019 | ||
744ba28b PP |
1020 | /* |
1021 | * Use g_ptr_array_remove_fast() because the | |
1022 | * order of those elements is not important. | |
1023 | */ | |
1024 | g_ptr_array_remove_index_fast( | |
54bdc1f7 | 1025 | muxer_msg_iter->active_muxer_upstream_msg_iters, |
744ba28b PP |
1026 | i); |
1027 | i--; | |
1028 | } | |
089717de PP |
1029 | } |
1030 | ||
a3f0c7db | 1031 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
7fb13d3f | 1032 | |
089717de PP |
1033 | end: |
1034 | return status; | |
1035 | } | |
1036 | ||
d4393e08 | 1037 | static inline |
a3f0c7db | 1038 | bt_message_iterator_class_next_method_status muxer_msg_iter_do_next_one( |
089717de | 1039 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
1040 | struct muxer_msg_iter *muxer_msg_iter, |
1041 | const bt_message **msg) | |
089717de | 1042 | { |
a3f0c7db | 1043 | bt_message_iterator_class_next_method_status status; |
d6e69534 | 1044 | struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL; |
18961057 SM |
1045 | /* Initialize to avoid -Wmaybe-uninitialized warning with gcc 4.8. */ |
1046 | int64_t next_return_ts = 0; | |
089717de | 1047 | |
5badd463 | 1048 | status = validate_muxer_upstream_msg_iters(muxer_msg_iter); |
a3f0c7db | 1049 | if (status != BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
5badd463 PP |
1050 | /* validate_muxer_upstream_msg_iters() logs details */ |
1051 | goto end; | |
958f7d11 PP |
1052 | } |
1053 | ||
1054 | /* | |
089717de | 1055 | * At this point we know that all the existing upstream |
d6e69534 PP |
1056 | * message iterators are valid. We can find the one, |
1057 | * amongst those, of which the current message is the | |
089717de | 1058 | * youngest. |
958f7d11 | 1059 | */ |
d6e69534 PP |
1060 | status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp, |
1061 | muxer_msg_iter, &muxer_upstream_msg_iter, | |
089717de | 1062 | &next_return_ts); |
a3f0c7db | 1063 | if (status < 0 || status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END) { |
d4393e08 | 1064 | if (status < 0) { |
7fb13d3f SM |
1065 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1066 | "Cannot find the youngest upstream message iterator wrapper: " | |
fed72692 | 1067 | "status=%s", |
d24d5663 | 1068 | bt_common_func_status_string(status)); |
fed72692 | 1069 | } else { |
5b6473ec | 1070 | BT_COMP_LOGD("Cannot find the youngest upstream message iterator wrapper: " |
fed72692 | 1071 | "status=%s", |
d24d5663 | 1072 | bt_common_func_status_string(status)); |
fed72692 PP |
1073 | } |
1074 | ||
958f7d11 PP |
1075 | goto end; |
1076 | } | |
1077 | ||
d6e69534 | 1078 | if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) { |
7fb13d3f SM |
1079 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1080 | "Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: " | |
d6e69534 | 1081 | "muxer-msg-iter-addr=%p, ts=%" PRId64 ", " |
fed72692 | 1082 | "last-returned-ts=%" PRId64, |
d6e69534 PP |
1083 | muxer_msg_iter, next_return_ts, |
1084 | muxer_msg_iter->last_returned_ts_ns); | |
a3f0c7db | 1085 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
958f7d11 PP |
1086 | goto end; |
1087 | } | |
1088 | ||
5b6473ec | 1089 | BT_COMP_LOGD("Found youngest upstream message iterator wrapper: " |
d6e69534 PP |
1090 | "muxer-msg-iter-addr=%p, " |
1091 | "muxer-upstream-msg-iter-wrap-addr=%p, " | |
fed72692 | 1092 | "ts=%" PRId64, |
d6e69534 | 1093 | muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts); |
98b15851 | 1094 | BT_ASSERT_DBG(status == |
a3f0c7db | 1095 | BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); |
98b15851 | 1096 | BT_ASSERT_DBG(muxer_upstream_msg_iter); |
958f7d11 PP |
1097 | |
1098 | /* | |
d4393e08 | 1099 | * Consume from the queue's head: other side |
d6e69534 | 1100 | * (muxer_upstream_msg_iter_next()) writes to the tail. |
958f7d11 | 1101 | */ |
d6e69534 | 1102 | *msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs); |
98b15851 | 1103 | BT_ASSERT_DBG(*msg); |
d6e69534 | 1104 | muxer_msg_iter->last_returned_ts_ns = next_return_ts; |
958f7d11 PP |
1105 | |
1106 | end: | |
d4393e08 PP |
1107 | return status; |
1108 | } | |
1109 | ||
1110 | static | |
a3f0c7db | 1111 | bt_message_iterator_class_next_method_status muxer_msg_iter_do_next( |
d4393e08 | 1112 | struct muxer_comp *muxer_comp, |
d6e69534 PP |
1113 | struct muxer_msg_iter *muxer_msg_iter, |
1114 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
1115 | uint64_t *count) |
1116 | { | |
a3f0c7db | 1117 | bt_message_iterator_class_next_method_status status; |
d4393e08 PP |
1118 | uint64_t i = 0; |
1119 | ||
cbca1c06 SM |
1120 | if (G_UNLIKELY(muxer_msg_iter->next_saved_error)) { |
1121 | /* | |
1122 | * Last time we were called, we hit an error but had some | |
1123 | * messages to deliver, so we stashed the error here. Return | |
1124 | * it now. | |
1125 | */ | |
1126 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(muxer_msg_iter->next_saved_error); | |
1127 | status = muxer_msg_iter->next_saved_status; | |
1128 | goto end; | |
1129 | } | |
1130 | ||
1131 | do { | |
d6e69534 PP |
1132 | status = muxer_msg_iter_do_next_one(muxer_comp, |
1133 | muxer_msg_iter, &msgs[i]); | |
a3f0c7db | 1134 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
d4393e08 PP |
1135 | i++; |
1136 | } | |
a3f0c7db | 1137 | } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); |
d4393e08 PP |
1138 | |
1139 | if (i > 0) { | |
1140 | /* | |
d6e69534 | 1141 | * Even if muxer_msg_iter_do_next_one() returned |
d4393e08 | 1142 | * something else than |
d6e69534 PP |
1143 | * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated |
1144 | * message objects in the output message | |
d4393e08 | 1145 | * array, so we need to return |
d6e69534 | 1146 | * BT_MESSAGE_ITERATOR_STATUS_OK so that they are |
d4393e08 | 1147 | * transfered to downstream. This other status occurs |
d6e69534 | 1148 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 1149 | * called, possibly without any accumulated |
d6e69534 | 1150 | * message, in which case we'll return it. |
d4393e08 | 1151 | */ |
cbca1c06 SM |
1152 | if (status < 0) { |
1153 | /* | |
1154 | * Save this error for the next _next call. Assume that | |
1155 | * this component always appends error causes when | |
1156 | * returning an error status code, which will cause the | |
1157 | * current thread error to be non-NULL. | |
1158 | */ | |
1159 | muxer_msg_iter->next_saved_error = bt_current_thread_take_error(); | |
1160 | BT_ASSERT(muxer_msg_iter->next_saved_error); | |
1161 | muxer_msg_iter->next_saved_status = status; | |
1162 | } | |
1163 | ||
d4393e08 | 1164 | *count = i; |
a3f0c7db | 1165 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
d4393e08 PP |
1166 | } |
1167 | ||
cbca1c06 | 1168 | end: |
d4393e08 | 1169 | return status; |
958f7d11 PP |
1170 | } |
1171 | ||
1172 | static | |
d6e69534 | 1173 | void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter) |
ab11110e | 1174 | { |
87ec3926 PP |
1175 | struct muxer_comp *muxer_comp; |
1176 | ||
d6e69534 | 1177 | if (!muxer_msg_iter) { |
ab11110e PP |
1178 | return; |
1179 | } | |
1180 | ||
87ec3926 | 1181 | muxer_comp = muxer_msg_iter->muxer_comp; |
5b6473ec | 1182 | BT_COMP_LOGD("Destroying muxer component's message iterator: " |
d6e69534 | 1183 | "muxer-msg-iter-addr=%p", muxer_msg_iter); |
fed72692 | 1184 | |
54bdc1f7 | 1185 | if (muxer_msg_iter->active_muxer_upstream_msg_iters) { |
5b6473ec | 1186 | BT_COMP_LOGD_STR("Destroying muxer's active upstream message iterator wrappers."); |
54bdc1f7 PP |
1187 | g_ptr_array_free( |
1188 | muxer_msg_iter->active_muxer_upstream_msg_iters, TRUE); | |
1189 | } | |
1190 | ||
1191 | if (muxer_msg_iter->ended_muxer_upstream_msg_iters) { | |
5b6473ec | 1192 | BT_COMP_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers."); |
ab11110e | 1193 | g_ptr_array_free( |
54bdc1f7 | 1194 | muxer_msg_iter->ended_muxer_upstream_msg_iters, TRUE); |
ab11110e PP |
1195 | } |
1196 | ||
d6e69534 | 1197 | g_free(muxer_msg_iter); |
ab11110e PP |
1198 | } |
1199 | ||
1200 | static | |
a3f0c7db | 1201 | bt_message_iterator_class_initialize_method_status |
e803df70 | 1202 | muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp, |
c0e46a7c SM |
1203 | struct muxer_msg_iter *muxer_msg_iter, |
1204 | struct bt_self_message_iterator_configuration *config) | |
958f7d11 | 1205 | { |
544d0515 PP |
1206 | int64_t count; |
1207 | int64_t i; | |
a3f0c7db | 1208 | bt_message_iterator_class_initialize_method_status status; |
c0e46a7c | 1209 | bool can_seek_forward = true; |
958f7d11 | 1210 | |
d94d92ac | 1211 | count = bt_component_filter_get_input_port_count( |
707b7d35 | 1212 | bt_self_component_filter_as_component_filter( |
5b6473ec | 1213 | muxer_comp->self_comp_flt)); |
544d0515 | 1214 | if (count < 0) { |
5b6473ec | 1215 | BT_COMP_LOGD("No input port to initialize for muxer component's message iterator: " |
d6e69534 PP |
1216 | "muxer-comp-addr=%p, muxer-msg-iter-addr=%p", |
1217 | muxer_comp, muxer_msg_iter); | |
a3f0c7db | 1218 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
ab11110e PP |
1219 | goto end; |
1220 | } | |
958f7d11 PP |
1221 | |
1222 | for (i = 0; i < count; i++) { | |
9a2c8b8e | 1223 | bt_message_iterator *upstream_msg_iter; |
b19ff26f | 1224 | bt_self_component_port_input *self_port = |
d94d92ac | 1225 | bt_self_component_filter_borrow_input_port_by_index( |
5b6473ec | 1226 | muxer_comp->self_comp_flt, i); |
b19ff26f | 1227 | const bt_port *port; |
9a2c8b8e | 1228 | bt_message_iterator_create_from_message_iterator_status |
e803df70 SM |
1229 | msg_iter_status; |
1230 | int int_status; | |
958f7d11 | 1231 | |
d94d92ac | 1232 | BT_ASSERT(self_port); |
707b7d35 PP |
1233 | port = bt_self_component_port_as_port( |
1234 | bt_self_component_port_input_as_self_component_port( | |
d94d92ac | 1235 | self_port)); |
f6ccaed9 | 1236 | BT_ASSERT(port); |
958f7d11 PP |
1237 | |
1238 | if (!bt_port_is_connected(port)) { | |
5badd463 | 1239 | /* Skip non-connected port */ |
958f7d11 PP |
1240 | continue; |
1241 | } | |
1242 | ||
e803df70 SM |
1243 | msg_iter_status = create_msg_iter_on_input_port(muxer_comp, |
1244 | muxer_msg_iter, self_port, &upstream_msg_iter); | |
9a2c8b8e | 1245 | if (msg_iter_status != BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) { |
5badd463 | 1246 | /* create_msg_iter_on_input_port() logs errors */ |
e803df70 | 1247 | status = (int) msg_iter_status; |
ab11110e | 1248 | goto end; |
958f7d11 | 1249 | } |
fed72692 | 1250 | |
e803df70 | 1251 | int_status = muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter, |
c61018b9 | 1252 | upstream_msg_iter); |
9a2c8b8e | 1253 | bt_message_iterator_put_ref( |
5badd463 | 1254 | upstream_msg_iter); |
e803df70 | 1255 | if (int_status) { |
a3f0c7db | 1256 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
5badd463 | 1257 | /* muxer_msg_iter_add_upstream_msg_iter() logs errors */ |
5badd463 PP |
1258 | goto end; |
1259 | } | |
c0e46a7c SM |
1260 | |
1261 | can_seek_forward = can_seek_forward && | |
9a2c8b8e | 1262 | bt_message_iterator_can_seek_forward( |
c0e46a7c | 1263 | upstream_msg_iter); |
958f7d11 PP |
1264 | } |
1265 | ||
c0e46a7c SM |
1266 | /* |
1267 | * This iterator can seek forward if all of its iterators can seek | |
1268 | * forward. | |
1269 | */ | |
1270 | bt_self_message_iterator_configuration_set_can_seek_forward( | |
1271 | config, can_seek_forward); | |
1272 | ||
a3f0c7db | 1273 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
e803df70 | 1274 | |
958f7d11 | 1275 | end: |
e803df70 | 1276 | return status; |
958f7d11 PP |
1277 | } |
1278 | ||
958f7d11 | 1279 | BT_HIDDEN |
a3f0c7db | 1280 | bt_message_iterator_class_initialize_method_status muxer_msg_iter_init( |
d6e69534 | 1281 | bt_self_message_iterator *self_msg_iter, |
8d8b141d | 1282 | bt_self_message_iterator_configuration *config, |
b19ff26f | 1283 | bt_self_component_port_output *port) |
958f7d11 PP |
1284 | { |
1285 | struct muxer_comp *muxer_comp = NULL; | |
d6e69534 | 1286 | struct muxer_msg_iter *muxer_msg_iter = NULL; |
a3f0c7db | 1287 | bt_message_iterator_class_initialize_method_status status; |
f615b250 PP |
1288 | bt_self_component *self_comp = |
1289 | bt_self_message_iterator_borrow_component(self_msg_iter); | |
958f7d11 | 1290 | |
a3f0c7db | 1291 | muxer_comp = bt_self_component_get_data(self_comp); |
f6ccaed9 | 1292 | BT_ASSERT(muxer_comp); |
5b6473ec | 1293 | BT_COMP_LOGD("Initializing muxer component's message iterator: " |
d6e69534 PP |
1294 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", |
1295 | self_comp, muxer_comp, self_msg_iter); | |
a09c6b95 | 1296 | |
d6e69534 | 1297 | if (muxer_comp->initializing_muxer_msg_iter) { |
a09c6b95 | 1298 | /* |
089717de | 1299 | * Weird, unhandled situation detected: downstream |
d6e69534 PP |
1300 | * creates a muxer message iterator while creating |
1301 | * another muxer message iterator (same component). | |
a09c6b95 | 1302 | */ |
090eb20a SM |
1303 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1304 | "Recursive initialization of muxer component's message iterator: " | |
d6e69534 PP |
1305 | "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p", |
1306 | self_comp, muxer_comp, self_msg_iter); | |
a3f0c7db | 1307 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
958f7d11 PP |
1308 | goto error; |
1309 | } | |
1310 | ||
d6e69534 PP |
1311 | muxer_comp->initializing_muxer_msg_iter = true; |
1312 | muxer_msg_iter = g_new0(struct muxer_msg_iter, 1); | |
1313 | if (!muxer_msg_iter) { | |
090eb20a SM |
1314 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1315 | "Failed to allocate one muxer component's message iterator."); | |
a3f0c7db | 1316 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
ab11110e PP |
1317 | goto error; |
1318 | } | |
1319 | ||
87ec3926 | 1320 | muxer_msg_iter->muxer_comp = muxer_comp; |
ca02df0a | 1321 | muxer_msg_iter->self_msg_iter = self_msg_iter; |
d6e69534 | 1322 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
54bdc1f7 | 1323 | muxer_msg_iter->active_muxer_upstream_msg_iters = |
958f7d11 | 1324 | g_ptr_array_new_with_free_func( |
d6e69534 | 1325 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); |
54bdc1f7 | 1326 | if (!muxer_msg_iter->active_muxer_upstream_msg_iters) { |
090eb20a | 1327 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, "Failed to allocate a GPtrArray."); |
a3f0c7db | 1328 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
54bdc1f7 PP |
1329 | goto error; |
1330 | } | |
1331 | ||
1332 | muxer_msg_iter->ended_muxer_upstream_msg_iters = | |
1333 | g_ptr_array_new_with_free_func( | |
1334 | (GDestroyNotify) destroy_muxer_upstream_msg_iter); | |
1335 | if (!muxer_msg_iter->ended_muxer_upstream_msg_iters) { | |
090eb20a | 1336 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, "Failed to allocate a GPtrArray."); |
a3f0c7db | 1337 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
958f7d11 PP |
1338 | goto error; |
1339 | } | |
1340 | ||
e803df70 | 1341 | status = muxer_msg_iter_init_upstream_iterators(muxer_comp, |
c0e46a7c | 1342 | muxer_msg_iter, config); |
e803df70 | 1343 | if (status) { |
090eb20a SM |
1344 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1345 | "Cannot initialize connected input ports for muxer component's message iterator: " | |
fed72692 | 1346 | "comp-addr=%p, muxer-comp-addr=%p, " |
d6e69534 PP |
1347 | "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d", |
1348 | self_comp, muxer_comp, muxer_msg_iter, | |
e803df70 | 1349 | self_msg_iter, status); |
a09c6b95 PP |
1350 | goto error; |
1351 | } | |
1352 | ||
5badd463 | 1353 | bt_self_message_iterator_set_data(self_msg_iter, muxer_msg_iter); |
5b6473ec | 1354 | BT_COMP_LOGD("Initialized muxer component's message iterator: " |
d6e69534 PP |
1355 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1356 | "msg-iter-addr=%p", | |
1357 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 PP |
1358 | goto end; |
1359 | ||
1360 | error: | |
d6e69534 | 1361 | destroy_muxer_msg_iter(muxer_msg_iter); |
5badd463 | 1362 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
958f7d11 PP |
1363 | |
1364 | end: | |
d6e69534 | 1365 | muxer_comp->initializing_muxer_msg_iter = false; |
958f7d11 PP |
1366 | return status; |
1367 | } | |
1368 | ||
1369 | BT_HIDDEN | |
54bdc1f7 | 1370 | void muxer_msg_iter_finalize(bt_self_message_iterator *self_msg_iter) |
958f7d11 | 1371 | { |
d6e69534 PP |
1372 | struct muxer_msg_iter *muxer_msg_iter = |
1373 | bt_self_message_iterator_get_data(self_msg_iter); | |
b19ff26f | 1374 | bt_self_component *self_comp = NULL; |
958f7d11 PP |
1375 | struct muxer_comp *muxer_comp = NULL; |
1376 | ||
d6e69534 PP |
1377 | self_comp = bt_self_message_iterator_borrow_component( |
1378 | self_msg_iter); | |
d94d92ac PP |
1379 | BT_ASSERT(self_comp); |
1380 | muxer_comp = bt_self_component_get_data(self_comp); | |
5b6473ec | 1381 | BT_COMP_LOGD("Finalizing muxer component's message iterator: " |
d6e69534 PP |
1382 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1383 | "msg-iter-addr=%p", | |
1384 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
958f7d11 | 1385 | |
5badd463 | 1386 | if (muxer_msg_iter) { |
d6e69534 | 1387 | destroy_muxer_msg_iter(muxer_msg_iter); |
958f7d11 | 1388 | } |
958f7d11 PP |
1389 | } |
1390 | ||
1391 | BT_HIDDEN | |
a3f0c7db | 1392 | bt_message_iterator_class_next_method_status muxer_msg_iter_next( |
d6e69534 PP |
1393 | bt_self_message_iterator *self_msg_iter, |
1394 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 | 1395 | uint64_t *count) |
958f7d11 | 1396 | { |
a3f0c7db | 1397 | bt_message_iterator_class_next_method_status status; |
d6e69534 PP |
1398 | struct muxer_msg_iter *muxer_msg_iter = |
1399 | bt_self_message_iterator_get_data(self_msg_iter); | |
b19ff26f | 1400 | bt_self_component *self_comp = NULL; |
958f7d11 | 1401 | struct muxer_comp *muxer_comp = NULL; |
958f7d11 | 1402 | |
98b15851 | 1403 | BT_ASSERT_DBG(muxer_msg_iter); |
d6e69534 PP |
1404 | self_comp = bt_self_message_iterator_borrow_component( |
1405 | self_msg_iter); | |
98b15851 | 1406 | BT_ASSERT_DBG(self_comp); |
d94d92ac | 1407 | muxer_comp = bt_self_component_get_data(self_comp); |
98b15851 | 1408 | BT_ASSERT_DBG(muxer_comp); |
ef267d12 | 1409 | BT_COMP_LOGT("Muxer component's message iterator's \"next\" method called: " |
d6e69534 PP |
1410 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1411 | "msg-iter-addr=%p", | |
1412 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter); | |
fed72692 | 1413 | |
d6e69534 PP |
1414 | status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter, |
1415 | msgs, capacity, count); | |
d4393e08 | 1416 | if (status < 0) { |
090eb20a SM |
1417 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1418 | "Cannot get next message: " | |
d6e69534 PP |
1419 | "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, " |
1420 | "msg-iter-addr=%p, status=%s", | |
1421 | self_comp, muxer_comp, muxer_msg_iter, self_msg_iter, | |
d24d5663 | 1422 | bt_common_func_status_string(status)); |
fed72692 | 1423 | } else { |
ef267d12 | 1424 | BT_COMP_LOGT("Returning from muxer component's message iterator's \"next\" method: " |
d4393e08 | 1425 | "status=%s", |
d24d5663 | 1426 | bt_common_func_status_string(status)); |
fed72692 | 1427 | } |
958f7d11 | 1428 | |
d4393e08 | 1429 | return status; |
958f7d11 PP |
1430 | } |
1431 | ||
1432 | BT_HIDDEN | |
d24d5663 | 1433 | bt_component_class_port_connected_method_status muxer_input_port_connected( |
b19ff26f PP |
1434 | bt_self_component_filter *self_comp, |
1435 | bt_self_component_port_input *self_port, | |
1436 | const bt_port_output *other_port) | |
958f7d11 | 1437 | { |
d24d5663 PP |
1438 | bt_component_class_port_connected_method_status status = |
1439 | BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_OK; | |
1440 | bt_self_component_add_port_status add_port_status; | |
87ec3926 PP |
1441 | struct muxer_comp *muxer_comp = bt_self_component_get_data( |
1442 | bt_self_component_filter_as_self_component(self_comp)); | |
958f7d11 | 1443 | |
d24d5663 PP |
1444 | add_port_status = add_available_input_port(self_comp); |
1445 | if (add_port_status) { | |
090eb20a SM |
1446 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1447 | "Cannot add one muxer component's input port: status=%s", | |
1448 | bt_common_func_status_string(add_port_status)); | |
d24d5663 PP |
1449 | |
1450 | if (add_port_status == | |
1451 | BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR) { | |
1452 | status = BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_MEMORY_ERROR; | |
1453 | } else { | |
1454 | status = BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_ERROR; | |
1455 | } | |
1456 | ||
06a2cb0d PP |
1457 | goto end; |
1458 | } | |
1459 | ||
958f7d11 | 1460 | end: |
bf55043c | 1461 | return status; |
958f7d11 | 1462 | } |
b5443165 | 1463 | |
54bdc1f7 | 1464 | static inline |
a3f0c7db | 1465 | bt_message_iterator_class_can_seek_beginning_method_status |
f2fb1b32 | 1466 | muxer_upstream_msg_iters_can_all_seek_beginning( |
090eb20a | 1467 | struct muxer_comp *muxer_comp, |
f2fb1b32 | 1468 | GPtrArray *muxer_upstream_msg_iters, bt_bool *can_seek) |
b5443165 | 1469 | { |
a3f0c7db SM |
1470 | bt_message_iterator_class_can_seek_beginning_method_status status = |
1471 | BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK; | |
b5443165 | 1472 | uint64_t i; |
b5443165 | 1473 | |
54bdc1f7 | 1474 | for (i = 0; i < muxer_upstream_msg_iters->len; i++) { |
b5443165 | 1475 | struct muxer_upstream_msg_iter *upstream_msg_iter = |
54bdc1f7 | 1476 | muxer_upstream_msg_iters->pdata[i]; |
9a2c8b8e | 1477 | status = (int) bt_message_iterator_can_seek_beginning( |
f2fb1b32 | 1478 | upstream_msg_iter->msg_iter, can_seek); |
a3f0c7db | 1479 | if (status != BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK) { |
090eb20a SM |
1480 | BT_COMP_LOGE_APPEND_CAUSE(muxer_comp->self_comp, |
1481 | "Failed to determine whether upstream message iterator can seek beginning: " | |
1482 | "msg-iter-addr=%p", upstream_msg_iter->msg_iter); | |
f2fb1b32 SM |
1483 | goto end; |
1484 | } | |
b5443165 | 1485 | |
f2fb1b32 | 1486 | if (!*can_seek) { |
b5443165 PP |
1487 | goto end; |
1488 | } | |
1489 | } | |
1490 | ||
f2fb1b32 SM |
1491 | *can_seek = BT_TRUE; |
1492 | ||
b5443165 | 1493 | end: |
f2fb1b32 | 1494 | return status; |
b5443165 PP |
1495 | } |
1496 | ||
54bdc1f7 | 1497 | BT_HIDDEN |
a3f0c7db | 1498 | bt_message_iterator_class_can_seek_beginning_method_status |
f2fb1b32 SM |
1499 | muxer_msg_iter_can_seek_beginning( |
1500 | bt_self_message_iterator *self_msg_iter, bt_bool *can_seek) | |
54bdc1f7 PP |
1501 | { |
1502 | struct muxer_msg_iter *muxer_msg_iter = | |
1503 | bt_self_message_iterator_get_data(self_msg_iter); | |
a3f0c7db | 1504 | bt_message_iterator_class_can_seek_beginning_method_status status; |
54bdc1f7 | 1505 | |
f2fb1b32 | 1506 | status = muxer_upstream_msg_iters_can_all_seek_beginning( |
090eb20a | 1507 | muxer_msg_iter->muxer_comp, |
f2fb1b32 | 1508 | muxer_msg_iter->active_muxer_upstream_msg_iters, can_seek); |
a3f0c7db | 1509 | if (status != BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK) { |
54bdc1f7 PP |
1510 | goto end; |
1511 | } | |
1512 | ||
f2fb1b32 | 1513 | if (!*can_seek) { |
54bdc1f7 PP |
1514 | goto end; |
1515 | } | |
1516 | ||
f2fb1b32 | 1517 | status = muxer_upstream_msg_iters_can_all_seek_beginning( |
090eb20a | 1518 | muxer_msg_iter->muxer_comp, |
f2fb1b32 SM |
1519 | muxer_msg_iter->ended_muxer_upstream_msg_iters, can_seek); |
1520 | ||
54bdc1f7 | 1521 | end: |
f2fb1b32 | 1522 | return status; |
54bdc1f7 PP |
1523 | } |
1524 | ||
b5443165 | 1525 | BT_HIDDEN |
a3f0c7db | 1526 | bt_message_iterator_class_seek_beginning_method_status muxer_msg_iter_seek_beginning( |
b5443165 PP |
1527 | bt_self_message_iterator *self_msg_iter) |
1528 | { | |
1529 | struct muxer_msg_iter *muxer_msg_iter = | |
1530 | bt_self_message_iterator_get_data(self_msg_iter); | |
a3f0c7db SM |
1531 | bt_message_iterator_class_seek_beginning_method_status status = |
1532 | BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; | |
d24d5663 | 1533 | bt_message_iterator_seek_beginning_status seek_beg_status; |
b5443165 PP |
1534 | uint64_t i; |
1535 | ||
54bdc1f7 PP |
1536 | /* Seek all ended upstream iterators first */ |
1537 | for (i = 0; i < muxer_msg_iter->ended_muxer_upstream_msg_iters->len; | |
1538 | i++) { | |
b5443165 | 1539 | struct muxer_upstream_msg_iter *upstream_msg_iter = |
54bdc1f7 | 1540 | muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i]; |
b5443165 | 1541 | |
9a2c8b8e | 1542 | seek_beg_status = bt_message_iterator_seek_beginning( |
b5443165 | 1543 | upstream_msg_iter->msg_iter); |
d24d5663 PP |
1544 | if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) { |
1545 | status = (int) seek_beg_status; | |
b5443165 PP |
1546 | goto end; |
1547 | } | |
54bdc1f7 PP |
1548 | |
1549 | empty_message_queue(upstream_msg_iter); | |
1550 | } | |
1551 | ||
1552 | /* Seek all previously active upstream iterators */ | |
1553 | for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len; | |
1554 | i++) { | |
1555 | struct muxer_upstream_msg_iter *upstream_msg_iter = | |
1556 | muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i]; | |
1557 | ||
9a2c8b8e | 1558 | seek_beg_status = bt_message_iterator_seek_beginning( |
54bdc1f7 | 1559 | upstream_msg_iter->msg_iter); |
d24d5663 PP |
1560 | if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) { |
1561 | status = (int) seek_beg_status; | |
54bdc1f7 PP |
1562 | goto end; |
1563 | } | |
1564 | ||
1565 | empty_message_queue(upstream_msg_iter); | |
1566 | } | |
1567 | ||
1568 | /* Make them all active */ | |
1569 | for (i = 0; i < muxer_msg_iter->ended_muxer_upstream_msg_iters->len; | |
1570 | i++) { | |
1571 | struct muxer_upstream_msg_iter *upstream_msg_iter = | |
1572 | muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i]; | |
1573 | ||
1574 | g_ptr_array_add(muxer_msg_iter->active_muxer_upstream_msg_iters, | |
1575 | upstream_msg_iter); | |
1576 | muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i] = NULL; | |
b5443165 PP |
1577 | } |
1578 | ||
3625612b MJ |
1579 | /* |
1580 | * GLib < 2.48.0 asserts when g_ptr_array_remove_range() is | |
1581 | * called on an empty array. | |
1582 | */ | |
1583 | if (muxer_msg_iter->ended_muxer_upstream_msg_iters->len > 0) { | |
1584 | g_ptr_array_remove_range(muxer_msg_iter->ended_muxer_upstream_msg_iters, | |
1585 | 0, muxer_msg_iter->ended_muxer_upstream_msg_iters->len); | |
1586 | } | |
b5443165 | 1587 | muxer_msg_iter->last_returned_ts_ns = INT64_MIN; |
54bdc1f7 PP |
1588 | muxer_msg_iter->clock_class_expectation = |
1589 | MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY; | |
b5443165 PP |
1590 | |
1591 | end: | |
d24d5663 | 1592 | return status; |
b5443165 | 1593 | } |