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Add query executor
[babeltrace.git] / cli / babeltrace.c
1 /*
2 * babeltrace.c
3 *
4 * Babeltrace Trace Converter
5 *
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
7 *
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
27 */
28
29 #define BT_LOG_TAG "CLI"
30 #include "logging.h"
31
32 #include <babeltrace/babeltrace.h>
33 #include <babeltrace/common-internal.h>
34 #include <babeltrace/values-internal.h>
35 #include <unistd.h>
36 #include <stdlib.h>
37 #include <popt.h>
38 #include <string.h>
39 #include <stdio.h>
40 #include <glib.h>
41 #include <inttypes.h>
42 #include <unistd.h>
43 #include <signal.h>
44 #include "babeltrace-cfg.h"
45 #include "babeltrace-cfg-cli-args.h"
46 #include "babeltrace-cfg-cli-args-default.h"
47
48 #define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
49 #define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
50 #define NSEC_PER_SEC 1000000000LL
51
52 /*
53 * Known environment variable names for the log levels of the project's
54 * modules.
55 */
56 static const char* log_level_env_var_names[] = {
57 "BABELTRACE_COMMON_LOG_LEVEL",
58 "BABELTRACE_PLUGIN_CTF_BTR_LOG_LEVEL",
59 "BABELTRACE_PLUGIN_CTF_FS_SRC_LOG_LEVEL",
60 "BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_SRC_LOG_LEVEL",
61 "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
62 "BABELTRACE_PLUGIN_CTF_NOTIF_ITER_LOG_LEVEL",
63 "BABELTRACE_PLUGIN_LTTNG_UTILS_DEBUG_INFO_FLT_LOG_LEVEL",
64 "BABELTRACE_PLUGIN_TEXT_DMESG_SRC_LOG_LEVEL",
65 "BABELTRACE_PLUGIN_UTILS_MUXER_FLT_LOG_LEVEL",
66 "BABELTRACE_PLUGIN_UTILS_TRIMMER_FLT_LOG_LEVEL",
67 "BABELTRACE_PLUGIN_CTFCOPYTRACE_LIB_LOG_LEVEL",
68 "BABELTRACE_PLUGIN_CTF_FS_SINK_LOG_LEVEL",
69 "BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL",
70 NULL,
71 };
72
73 /* Application's processing graph (weak) */
74 static struct bt_graph *the_graph;
75 static struct bt_query_executor *the_query_executor;
76 static bool canceled = false;
77
78 GPtrArray *loaded_plugins;
79
80 #ifdef __MINGW32__
81 #include <windows.h>
82
83 static
84 BOOL WINAPI signal_handler(DWORD signal) {
85 if (the_graph) {
86 bt_graph_cancel(the_graph);
87 }
88
89 canceled = true;
90
91 return TRUE;
92 }
93
94 static
95 void set_signal_handler(void)
96 {
97 if (!SetConsoleCtrlHandler(signal_handler, TRUE)) {
98 BT_LOGE("Failed to set the ctrl+c handler.");
99 }
100 }
101 #else /* __MINGW32__ */
102 static
103 void signal_handler(int signum)
104 {
105 if (signum != SIGINT) {
106 return;
107 }
108
109 if (the_graph) {
110 bt_graph_cancel(the_graph);
111 }
112
113 if (the_query_executor) {
114 bt_query_executor_cancel(the_query_executor);
115 }
116
117 canceled = true;
118 }
119
120 static
121 void set_signal_handler(void)
122 {
123 struct sigaction new_action, old_action;
124
125 new_action.sa_handler = signal_handler;
126 sigemptyset(&new_action.sa_mask);
127 new_action.sa_flags = 0;
128 sigaction(SIGINT, NULL, &old_action);
129
130 if (old_action.sa_handler != SIG_IGN) {
131 sigaction(SIGINT, &new_action, NULL);
132 }
133 }
134 #endif /* __MINGW32__ */
135
136 static
137 void init_static_data(void)
138 {
139 loaded_plugins = g_ptr_array_new_with_free_func(bt_put);
140 }
141
142 static
143 void fini_static_data(void)
144 {
145 g_ptr_array_free(loaded_plugins, TRUE);
146 }
147
148 static
149 int create_the_query_executor(void)
150 {
151 int ret = 0;
152
153 the_query_executor = bt_query_executor_create();
154 if (!the_query_executor) {
155 BT_LOGE_STR("Cannot create a query executor.");
156 ret = -1;
157 }
158
159 return ret;
160 }
161
162 static
163 void destroy_the_query_executor(void)
164 {
165 BT_PUT(the_query_executor);
166 }
167
168 static
169 int query(struct bt_component_class *comp_cls, const char *obj,
170 struct bt_value *params, struct bt_value **user_result,
171 const char **fail_reason)
172 {
173 struct bt_value *result = NULL;
174 enum bt_query_status status;
175 *fail_reason = "unknown error";
176 int ret = 0;
177
178 assert(fail_reason);
179 assert(user_result);
180 ret = create_the_query_executor();
181 if (ret) {
182 /* create_the_query_executor() logs errors */
183 goto end;
184 }
185
186 if (canceled) {
187 BT_LOGI("Canceled by user before executing the query: "
188 "comp-cls-addr=%p, comp-cls-name=\"%s\", "
189 "query-obj=\"%s\"", comp_cls,
190 bt_component_class_get_name(comp_cls), obj);
191 *fail_reason = "canceled by user";
192 goto error;
193 }
194
195 while (true) {
196 status = bt_query_executor_query(the_query_executor, comp_cls,
197 obj, params, &result);
198 switch (status) {
199 case BT_QUERY_STATUS_OK:
200 goto ok;
201 case BT_QUERY_STATUS_AGAIN:
202 {
203 const uint64_t sleep_time_us = 100000;
204
205 /* Wait 100 ms and retry */
206 BT_LOGV("Got BT_QUERY_STATUS_AGAIN: sleeping: "
207 "time-us=%" PRIu64, sleep_time_us);
208
209 if (usleep(sleep_time_us)) {
210 if (bt_query_executor_is_canceled(the_query_executor)) {
211 BT_LOGI("Query was canceled by user: "
212 "comp-cls-addr=%p, comp-cls-name=\"%s\", "
213 "query-obj=\"%s\"", comp_cls,
214 bt_component_class_get_name(comp_cls),
215 obj);
216 *fail_reason = "canceled by user";
217 goto error;
218 }
219 }
220
221 continue;
222 }
223 case BT_QUERY_STATUS_EXECUTOR_CANCELED:
224 *fail_reason = "canceled by user";
225 goto error;
226 case BT_QUERY_STATUS_ERROR:
227 case BT_QUERY_STATUS_INVALID:
228 goto error;
229 case BT_QUERY_STATUS_INVALID_OBJECT:
230 *fail_reason = "invalid or unknown query object";
231 goto error;
232 case BT_QUERY_STATUS_INVALID_PARAMS:
233 *fail_reason = "invalid query parameters";
234 goto error;
235 case BT_QUERY_STATUS_NOMEM:
236 *fail_reason = "not enough memory";
237 goto error;
238 default:
239 BT_LOGF("Unknown query status: status=%d", status);
240 abort();
241 }
242 }
243
244 ok:
245 *user_result = result;
246 result = NULL;
247 goto end;
248
249 error:
250 ret = -1;
251
252 end:
253 destroy_the_query_executor();
254 bt_put(result);
255 return ret;
256 }
257
258 static
259 struct bt_plugin *find_plugin(const char *name)
260 {
261 int i;
262 struct bt_plugin *plugin = NULL;
263
264 assert(name);
265 BT_LOGD("Finding plugin: name=\"%s\"", name);
266
267 for (i = 0; i < loaded_plugins->len; i++) {
268 plugin = g_ptr_array_index(loaded_plugins, i);
269
270 if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
271 break;
272 }
273
274 plugin = NULL;
275 }
276
277 if (BT_LOG_ON_DEBUG) {
278 if (plugin) {
279 BT_LOGD("Found plugin: plugin-addr=%p", plugin);
280 } else {
281 BT_LOGD("Cannot find plugin.");
282 }
283 }
284
285 return bt_get(plugin);
286 }
287
288 static
289 struct bt_component_class *find_component_class(const char *plugin_name,
290 const char *comp_class_name,
291 enum bt_component_class_type comp_class_type)
292 {
293 struct bt_component_class *comp_class = NULL;
294 struct bt_plugin *plugin;
295
296 BT_LOGD("Finding component class: plugin-name=\"%s\", "
297 "comp-cls-name=\"%s\", comp-cls-type=%d",
298 plugin_name, comp_class_name, comp_class_type);
299
300 plugin = find_plugin(plugin_name);
301
302 if (!plugin) {
303 goto end;
304 }
305
306 comp_class = bt_plugin_get_component_class_by_name_and_type(plugin,
307 comp_class_name, comp_class_type);
308 BT_PUT(plugin);
309
310 end:
311 if (BT_LOG_ON_DEBUG) {
312 if (comp_class) {
313 BT_LOGD("Found component class: comp-cls-addr=%p",
314 comp_class);
315 } else {
316 BT_LOGD("Cannot find component class.");
317 }
318 }
319
320 return comp_class;
321 }
322
323 static
324 void print_indent(FILE *fp, size_t indent)
325 {
326 size_t i;
327
328 for (i = 0; i < indent; i++) {
329 fprintf(fp, " ");
330 }
331 }
332
333 static
334 const char *component_type_str(enum bt_component_class_type type)
335 {
336 switch (type) {
337 case BT_COMPONENT_CLASS_TYPE_SOURCE:
338 return "source";
339 case BT_COMPONENT_CLASS_TYPE_SINK:
340 return "sink";
341 case BT_COMPONENT_CLASS_TYPE_FILTER:
342 return "filter";
343 case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
344 default:
345 return "(unknown)";
346 }
347 }
348
349 static
350 void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
351 const char *comp_cls_name, enum bt_component_class_type type)
352 {
353 GString *shell_plugin_name = NULL;
354 GString *shell_comp_cls_name = NULL;
355
356 shell_plugin_name = bt_common_shell_quote(plugin_name, false);
357 if (!shell_plugin_name) {
358 goto end;
359 }
360
361 shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
362 if (!shell_comp_cls_name) {
363 goto end;
364 }
365
366 fprintf(fh, "'%s%s%s%s.%s%s%s.%s%s%s'",
367 bt_common_color_bold(),
368 bt_common_color_fg_cyan(),
369 component_type_str(type),
370 bt_common_color_fg_default(),
371 bt_common_color_fg_blue(),
372 shell_plugin_name->str,
373 bt_common_color_fg_default(),
374 bt_common_color_fg_yellow(),
375 shell_comp_cls_name->str,
376 bt_common_color_reset());
377
378 end:
379 if (shell_plugin_name) {
380 g_string_free(shell_plugin_name, TRUE);
381 }
382
383 if (shell_comp_cls_name) {
384 g_string_free(shell_comp_cls_name, TRUE);
385 }
386 }
387
388 static
389 void print_value(FILE *, struct bt_value *, size_t);
390
391 static
392 void print_value_rec(FILE *, struct bt_value *, size_t);
393
394 struct print_map_value_data {
395 size_t indent;
396 FILE *fp;
397 };
398
399 static
400 bt_bool print_map_value(const char *key, struct bt_value *object, void *data)
401 {
402 struct print_map_value_data *print_map_value_data = data;
403
404 print_indent(print_map_value_data->fp, print_map_value_data->indent);
405 fprintf(print_map_value_data->fp, "%s: ", key);
406
407 if (bt_value_is_array(object) &&
408 bt_value_array_is_empty(object)) {
409 fprintf(print_map_value_data->fp, "[ ]\n");
410 return true;
411 }
412
413 if (bt_value_is_map(object) &&
414 bt_value_map_is_empty(object)) {
415 fprintf(print_map_value_data->fp, "{ }\n");
416 return true;
417 }
418
419 if (bt_value_is_array(object) ||
420 bt_value_is_map(object)) {
421 fprintf(print_map_value_data->fp, "\n");
422 }
423
424 print_value_rec(print_map_value_data->fp, object,
425 print_map_value_data->indent + 2);
426 return BT_TRUE;
427 }
428
429 static
430 void print_value_rec(FILE *fp, struct bt_value *value, size_t indent)
431 {
432 bt_bool bool_val;
433 int64_t int_val;
434 double dbl_val;
435 const char *str_val;
436 int size;
437 int i;
438 enum bt_value_status status;
439
440 if (!value) {
441 return;
442 }
443
444 switch (bt_value_get_type(value)) {
445 case BT_VALUE_TYPE_NULL:
446 fprintf(fp, "%snull%s\n", bt_common_color_bold(),
447 bt_common_color_reset());
448 break;
449 case BT_VALUE_TYPE_BOOL:
450 status = bt_value_bool_get(value, &bool_val);
451 if (status != BT_VALUE_STATUS_OK) {
452 goto error;
453 }
454 fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
455 bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
456 bt_common_color_reset());
457 break;
458 case BT_VALUE_TYPE_INTEGER:
459 status = bt_value_integer_get(value, &int_val);
460 if (status != BT_VALUE_STATUS_OK) {
461 goto error;
462 }
463 fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
464 bt_common_color_fg_red(), int_val,
465 bt_common_color_reset());
466 break;
467 case BT_VALUE_TYPE_FLOAT:
468 status = bt_value_float_get(value, &dbl_val);
469 if (status != BT_VALUE_STATUS_OK) {
470 goto error;
471 }
472 fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(),
473 bt_common_color_fg_red(), dbl_val,
474 bt_common_color_reset());
475 break;
476 case BT_VALUE_TYPE_STRING:
477 status = bt_value_string_get(value, &str_val);
478 if (status != BT_VALUE_STATUS_OK) {
479 goto error;
480 }
481 fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
482 bt_common_color_fg_green(), str_val,
483 bt_common_color_reset());
484 break;
485 case BT_VALUE_TYPE_ARRAY:
486 size = bt_value_array_size(value);
487 if (size < 0) {
488 goto error;
489 }
490
491 if (size == 0) {
492 print_indent(fp, indent);
493 fprintf(fp, "[ ]\n");
494 break;
495 }
496
497 for (i = 0; i < size; i++) {
498 struct bt_value *element =
499 bt_value_array_get(value, i);
500
501 if (!element) {
502 goto error;
503 }
504 print_indent(fp, indent);
505 fprintf(fp, "- ");
506
507 if (bt_value_is_array(element) &&
508 bt_value_array_is_empty(element)) {
509 fprintf(fp, "[ ]\n");
510 continue;
511 }
512
513 if (bt_value_is_map(element) &&
514 bt_value_map_is_empty(element)) {
515 fprintf(fp, "{ }\n");
516 continue;
517 }
518
519 if (bt_value_is_array(element) ||
520 bt_value_is_map(element)) {
521 fprintf(fp, "\n");
522 }
523
524 print_value_rec(fp, element, indent + 2);
525 BT_PUT(element);
526 }
527 break;
528 case BT_VALUE_TYPE_MAP:
529 {
530 struct print_map_value_data data = {
531 .indent = indent,
532 .fp = fp,
533 };
534
535 if (bt_value_map_is_empty(value)) {
536 print_indent(fp, indent);
537 fprintf(fp, "{ }\n");
538 break;
539 }
540
541 bt_value_map_foreach(value, print_map_value, &data);
542 break;
543 }
544 default:
545 abort();
546 }
547 return;
548
549 error:
550 BT_LOGE("Error printing value of type %s.",
551 bt_value_type_string(bt_value_get_type(value)));
552 }
553
554 static
555 void print_value(FILE *fp, struct bt_value *value, size_t indent)
556 {
557 if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
558 print_indent(fp, indent);
559 }
560
561 print_value_rec(fp, value, indent);
562 }
563
564 static
565 void print_bt_config_component(struct bt_config_component *bt_config_component)
566 {
567 fprintf(stderr, " ");
568 print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
569 bt_config_component->comp_cls_name->str,
570 bt_config_component->type);
571 fprintf(stderr, ":\n");
572
573 if (bt_config_component->instance_name->len > 0) {
574 fprintf(stderr, " Name: %s\n",
575 bt_config_component->instance_name->str);
576 }
577
578 fprintf(stderr, " Parameters:\n");
579 print_value(stderr, bt_config_component->params, 8);
580 }
581
582 static
583 void print_bt_config_components(GPtrArray *array)
584 {
585 size_t i;
586
587 for (i = 0; i < array->len; i++) {
588 struct bt_config_component *cfg_component =
589 bt_config_get_component(array, i);
590 print_bt_config_component(cfg_component);
591 BT_PUT(cfg_component);
592 }
593 }
594
595 static
596 void print_plugin_paths(struct bt_value *plugin_paths)
597 {
598 fprintf(stderr, " Plugin paths:\n");
599 print_value(stderr, plugin_paths, 4);
600 }
601
602 static
603 void print_cfg_run(struct bt_config *cfg)
604 {
605 size_t i;
606
607 print_plugin_paths(cfg->plugin_paths);
608 fprintf(stderr, " Source component instances:\n");
609 print_bt_config_components(cfg->cmd_data.run.sources);
610
611 if (cfg->cmd_data.run.filters->len > 0) {
612 fprintf(stderr, " Filter component instances:\n");
613 print_bt_config_components(cfg->cmd_data.run.filters);
614 }
615
616 fprintf(stderr, " Sink component instances:\n");
617 print_bt_config_components(cfg->cmd_data.run.sinks);
618 fprintf(stderr, " Connections:\n");
619
620 for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
621 struct bt_config_connection *cfg_connection =
622 g_ptr_array_index(cfg->cmd_data.run.connections,
623 i);
624
625 fprintf(stderr, " %s%s%s -> %s%s%s\n",
626 cfg_connection->upstream_comp_name->str,
627 cfg_connection->upstream_port_glob->len > 0 ? "." : "",
628 cfg_connection->upstream_port_glob->str,
629 cfg_connection->downstream_comp_name->str,
630 cfg_connection->downstream_port_glob->len > 0 ? "." : "",
631 cfg_connection->downstream_port_glob->str);
632 }
633 }
634
635 static
636 void print_cfg_list_plugins(struct bt_config *cfg)
637 {
638 print_plugin_paths(cfg->plugin_paths);
639 }
640
641 static
642 void print_cfg_help(struct bt_config *cfg)
643 {
644 print_plugin_paths(cfg->plugin_paths);
645 }
646
647 static
648 void print_cfg_print_ctf_metadata(struct bt_config *cfg)
649 {
650 print_plugin_paths(cfg->plugin_paths);
651 fprintf(stderr, " Path: %s\n",
652 cfg->cmd_data.print_ctf_metadata.path->str);
653 }
654
655 static
656 void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
657 {
658 print_plugin_paths(cfg->plugin_paths);
659 fprintf(stderr, " URL: %s\n",
660 cfg->cmd_data.print_lttng_live_sessions.url->str);
661 }
662
663 static
664 void print_cfg_query(struct bt_config *cfg)
665 {
666 print_plugin_paths(cfg->plugin_paths);
667 fprintf(stderr, " Object: `%s`\n", cfg->cmd_data.query.object->str);
668 fprintf(stderr, " Component class:\n");
669 print_bt_config_component(cfg->cmd_data.query.cfg_component);
670 }
671
672 static
673 void print_cfg(struct bt_config *cfg)
674 {
675 if (!BT_LOG_ON_INFO) {
676 return;
677 }
678
679 BT_LOGI_STR("Configuration:");
680 fprintf(stderr, " Debug mode: %s\n", cfg->debug ? "yes" : "no");
681 fprintf(stderr, " Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
682
683 switch (cfg->command) {
684 case BT_CONFIG_COMMAND_RUN:
685 print_cfg_run(cfg);
686 break;
687 case BT_CONFIG_COMMAND_LIST_PLUGINS:
688 print_cfg_list_plugins(cfg);
689 break;
690 case BT_CONFIG_COMMAND_HELP:
691 print_cfg_help(cfg);
692 break;
693 case BT_CONFIG_COMMAND_QUERY:
694 print_cfg_query(cfg);
695 break;
696 case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
697 print_cfg_print_ctf_metadata(cfg);
698 break;
699 case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
700 print_cfg_print_lttng_live_sessions(cfg);
701 break;
702 default:
703 abort();
704 }
705 }
706
707 static
708 void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
709 {
710 int64_t i;
711 int64_t count;
712
713 count = bt_plugin_set_get_plugin_count(plugin_set);
714 assert(count >= 0);
715
716 for (i = 0; i < count; i++) {
717 struct bt_plugin *plugin =
718 bt_plugin_set_get_plugin(plugin_set, i);
719 struct bt_plugin *loaded_plugin =
720 find_plugin(bt_plugin_get_name(plugin));
721
722 assert(plugin);
723
724 if (loaded_plugin) {
725 BT_LOGI("Not using plugin: another one already exists with the same name: "
726 "plugin-name=\"%s\", plugin-path=\"%s\", "
727 "existing-plugin-path=\"%s\"",
728 bt_plugin_get_name(plugin),
729 bt_plugin_get_path(plugin),
730 bt_plugin_get_path(loaded_plugin));
731 bt_put(loaded_plugin);
732 } else {
733 /* Add to global array. */
734 BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
735 bt_plugin_get_name(plugin));
736 g_ptr_array_add(loaded_plugins, bt_get(plugin));
737 }
738
739 bt_put(plugin);
740 }
741 }
742
743 static
744 int load_dynamic_plugins(struct bt_value *plugin_paths)
745 {
746 int nr_paths, i, ret = 0;
747
748 nr_paths = bt_value_array_size(plugin_paths);
749 if (nr_paths < 0) {
750 BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
751 ret = -1;
752 goto end;
753 }
754
755 BT_LOGI("Loading dynamic plugins.");
756
757 for (i = 0; i < nr_paths; i++) {
758 struct bt_value *plugin_path_value = NULL;
759 const char *plugin_path;
760 struct bt_plugin_set *plugin_set;
761 enum bt_value_status status;
762
763 plugin_path_value = bt_value_array_get(plugin_paths, i);
764 status = bt_value_string_get(plugin_path_value, &plugin_path);
765 if (status != BT_VALUE_STATUS_OK) {
766 BT_LOGD_STR("Cannot get plugin path string.");
767 BT_PUT(plugin_path_value);
768 continue;
769 }
770
771 /*
772 * Skip this if the directory does not exist because
773 * bt_plugin_create_all_from_dir() expects an existing
774 * directory.
775 */
776 if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
777 BT_LOGV("Skipping nonexistent directory path: "
778 "path=\"%s\"", plugin_path);
779 BT_PUT(plugin_path_value);
780 continue;
781 }
782
783 plugin_set = bt_plugin_create_all_from_dir(plugin_path, false);
784 if (!plugin_set) {
785 BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
786 plugin_path);
787 BT_PUT(plugin_path_value);
788 continue;
789 }
790
791 add_to_loaded_plugins(plugin_set);
792 bt_put(plugin_set);
793 BT_PUT(plugin_path_value);
794 }
795 end:
796 return ret;
797 }
798
799 static
800 int load_static_plugins(void)
801 {
802 int ret = 0;
803 struct bt_plugin_set *plugin_set;
804
805 BT_LOGI("Loading static plugins.");
806 plugin_set = bt_plugin_create_all_from_static();
807 if (!plugin_set) {
808 BT_LOGE("Unable to load static plugins.");
809 ret = -1;
810 goto end;
811 }
812
813 add_to_loaded_plugins(plugin_set);
814 bt_put(plugin_set);
815 end:
816 return ret;
817 }
818
819 static
820 int load_all_plugins(struct bt_value *plugin_paths)
821 {
822 int ret = 0;
823
824 if (load_dynamic_plugins(plugin_paths)) {
825 ret = -1;
826 goto end;
827 }
828
829 if (load_static_plugins()) {
830 ret = -1;
831 goto end;
832 }
833
834 BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len);
835
836 end:
837 return ret;
838 }
839
840 static
841 void print_plugin_info(struct bt_plugin *plugin)
842 {
843 unsigned int major, minor, patch;
844 const char *extra;
845 enum bt_plugin_status version_status;
846 const char *plugin_name;
847 const char *path;
848 const char *author;
849 const char *license;
850 const char *plugin_description;
851
852 plugin_name = bt_plugin_get_name(plugin);
853 path = bt_plugin_get_path(plugin);
854 author = bt_plugin_get_author(plugin);
855 license = bt_plugin_get_license(plugin);
856 plugin_description = bt_plugin_get_description(plugin);
857 version_status = bt_plugin_get_version(plugin, &major, &minor,
858 &patch, &extra);
859 printf("%s%s%s%s:\n", bt_common_color_bold(),
860 bt_common_color_fg_blue(), plugin_name,
861 bt_common_color_reset());
862 if (path) {
863 printf(" %sPath%s: %s\n", bt_common_color_bold(),
864 bt_common_color_reset(), path);
865 } else {
866 puts(" Built-in");
867 }
868
869 if (version_status == BT_PLUGIN_STATUS_OK) {
870 printf(" %sVersion%s: %u.%u.%u",
871 bt_common_color_bold(), bt_common_color_reset(),
872 major, minor, patch);
873
874 if (extra) {
875 printf("%s", extra);
876 }
877
878 printf("\n");
879 }
880
881 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
882 bt_common_color_reset(),
883 plugin_description ? plugin_description : "(None)");
884 printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
885 bt_common_color_reset(), author ? author : "(Unknown)");
886 printf(" %sLicense%s: %s\n", bt_common_color_bold(),
887 bt_common_color_reset(),
888 license ? license : "(Unknown)");
889 }
890
891 static
892 int cmd_query(struct bt_config *cfg)
893 {
894 int ret = 0;
895 struct bt_component_class *comp_cls = NULL;
896 struct bt_value *results = NULL;
897 const char *fail_reason = NULL;
898
899 comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str,
900 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
901 cfg->cmd_data.query.cfg_component->type);
902 if (!comp_cls) {
903 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
904 "comp-cls-name=\"%s\", comp-cls-type=%d",
905 cfg->cmd_data.query.cfg_component->plugin_name->str,
906 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
907 cfg->cmd_data.query.cfg_component->type);
908 fprintf(stderr, "%s%sCannot find component class %s",
909 bt_common_color_bold(),
910 bt_common_color_fg_red(),
911 bt_common_color_reset());
912 print_plugin_comp_cls_opt(stderr,
913 cfg->cmd_data.query.cfg_component->plugin_name->str,
914 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
915 cfg->cmd_data.query.cfg_component->type);
916 fprintf(stderr, "\n");
917 ret = -1;
918 goto end;
919 }
920
921 ret = query(comp_cls, cfg->cmd_data.query.object->str,
922 cfg->cmd_data.query.cfg_component->params, &results,
923 &fail_reason);
924 if (ret) {
925 goto failed;
926 }
927
928 print_value(stdout, results, 0);
929 goto end;
930
931 failed:
932 BT_LOGE("Failed to query component class: %s: plugin-name=\"%s\", "
933 "comp-cls-name=\"%s\", comp-cls-type=%d "
934 "object=\"%s\"", fail_reason,
935 cfg->cmd_data.query.cfg_component->plugin_name->str,
936 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
937 cfg->cmd_data.query.cfg_component->type,
938 cfg->cmd_data.query.object->str);
939 fprintf(stderr, "%s%sFailed to query info to %s",
940 bt_common_color_bold(),
941 bt_common_color_fg_red(),
942 bt_common_color_reset());
943 print_plugin_comp_cls_opt(stderr,
944 cfg->cmd_data.query.cfg_component->plugin_name->str,
945 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
946 cfg->cmd_data.query.cfg_component->type);
947 fprintf(stderr, "%s%s with object `%s`: %s%s\n",
948 bt_common_color_bold(),
949 bt_common_color_fg_red(),
950 cfg->cmd_data.query.object->str,
951 fail_reason,
952 bt_common_color_reset());
953 ret = -1;
954
955 end:
956 bt_put(comp_cls);
957 bt_put(results);
958 return ret;
959 }
960
961 static
962 int cmd_help(struct bt_config *cfg)
963 {
964 int ret = 0;
965 struct bt_plugin *plugin = NULL;
966 size_t i;
967
968 plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
969 if (!plugin) {
970 BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
971 cfg->cmd_data.help.cfg_component->plugin_name->str);
972 fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
973 bt_common_color_bold(), bt_common_color_fg_red(),
974 bt_common_color_fg_blue(),
975 cfg->cmd_data.help.cfg_component->plugin_name->str,
976 bt_common_color_reset());
977 ret = -1;
978 goto end;
979 }
980
981 print_plugin_info(plugin);
982 printf(" %sComponent classes%s: %d\n",
983 bt_common_color_bold(),
984 bt_common_color_reset(),
985 (int) bt_plugin_get_component_class_count(plugin));
986
987
988 if (cfg->cmd_data.help.cfg_component->type !=
989 BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
990 struct bt_component_class *needed_comp_cls =
991 find_component_class(
992 cfg->cmd_data.help.cfg_component->plugin_name->str,
993 cfg->cmd_data.help.cfg_component->comp_cls_name->str,
994 cfg->cmd_data.help.cfg_component->type);
995
996 if (!needed_comp_cls) {
997 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
998 "comp-cls-name=\"%s\", comp-cls-type=%d",
999 cfg->cmd_data.help.cfg_component->plugin_name->str,
1000 cfg->cmd_data.help.cfg_component->comp_cls_name->str,
1001 cfg->cmd_data.help.cfg_component->type);
1002 fprintf(stderr, "\n%s%sCannot find component class %s",
1003 bt_common_color_bold(),
1004 bt_common_color_fg_red(),
1005 bt_common_color_reset());
1006 print_plugin_comp_cls_opt(stderr,
1007 cfg->cmd_data.help.cfg_component->plugin_name->str,
1008 cfg->cmd_data.help.cfg_component->comp_cls_name->str,
1009 cfg->cmd_data.help.cfg_component->type);
1010 fprintf(stderr, "\n");
1011 ret = -1;
1012 goto end;
1013 }
1014
1015 bt_put(needed_comp_cls);
1016 }
1017
1018 for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
1019 struct bt_component_class *comp_cls =
1020 bt_plugin_get_component_class_by_index(plugin, i);
1021 const char *comp_class_name =
1022 bt_component_class_get_name(comp_cls);
1023 const char *comp_class_description =
1024 bt_component_class_get_description(comp_cls);
1025 const char *comp_class_help =
1026 bt_component_class_get_help(comp_cls);
1027 enum bt_component_class_type type =
1028 bt_component_class_get_type(comp_cls);
1029
1030 assert(comp_cls);
1031
1032 if (cfg->cmd_data.help.cfg_component->type !=
1033 BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
1034 if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
1035 comp_class_name) != 0 &&
1036 type ==
1037 cfg->cmd_data.help.cfg_component->type) {
1038 bt_put(comp_cls);
1039 continue;
1040 }
1041 }
1042
1043 printf("\n");
1044 print_plugin_comp_cls_opt(stdout,
1045 cfg->cmd_data.help.cfg_component->plugin_name->str,
1046 comp_class_name,
1047 type);
1048 printf("\n");
1049 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
1050 bt_common_color_reset(),
1051 comp_class_description ? comp_class_description : "(None)");
1052
1053 if (comp_class_help) {
1054 printf("\n%s\n", comp_class_help);
1055 }
1056
1057 bt_put(comp_cls);
1058 }
1059
1060 end:
1061 bt_put(plugin);
1062 return ret;
1063 }
1064
1065 static
1066 int cmd_list_plugins(struct bt_config *cfg)
1067 {
1068 int ret = 0;
1069 int plugins_count, component_classes_count = 0, i;
1070
1071 printf("From the following plugin paths:\n\n");
1072 print_value(stdout, cfg->plugin_paths, 2);
1073 printf("\n");
1074 plugins_count = loaded_plugins->len;
1075 if (plugins_count == 0) {
1076 printf("No plugins found.\n");
1077 goto end;
1078 }
1079
1080 for (i = 0; i < plugins_count; i++) {
1081 struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
1082
1083 component_classes_count += bt_plugin_get_component_class_count(plugin);
1084 }
1085
1086 printf("Found %s%d%s component classes in %s%d%s plugins.\n",
1087 bt_common_color_bold(),
1088 component_classes_count,
1089 bt_common_color_reset(),
1090 bt_common_color_bold(),
1091 plugins_count,
1092 bt_common_color_reset());
1093
1094 for (i = 0; i < plugins_count; i++) {
1095 int j;
1096 struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
1097
1098 component_classes_count =
1099 bt_plugin_get_component_class_count(plugin);
1100 printf("\n");
1101 print_plugin_info(plugin);
1102
1103 if (component_classes_count == 0) {
1104 printf(" %sComponent classes%s: (none)\n",
1105 bt_common_color_bold(),
1106 bt_common_color_reset());
1107 } else {
1108 printf(" %sComponent classes%s:\n",
1109 bt_common_color_bold(),
1110 bt_common_color_reset());
1111 }
1112
1113 for (j = 0; j < component_classes_count; j++) {
1114 struct bt_component_class *comp_class =
1115 bt_plugin_get_component_class_by_index(
1116 plugin, j);
1117 const char *comp_class_name =
1118 bt_component_class_get_name(comp_class);
1119 const char *comp_class_description =
1120 bt_component_class_get_description(comp_class);
1121 enum bt_component_class_type type =
1122 bt_component_class_get_type(comp_class);
1123
1124 printf(" ");
1125 print_plugin_comp_cls_opt(stdout,
1126 bt_plugin_get_name(plugin), comp_class_name,
1127 type);
1128
1129 if (comp_class_description) {
1130 printf(": %s", comp_class_description);
1131 }
1132
1133 printf("\n");
1134 bt_put(comp_class);
1135 }
1136 }
1137
1138 end:
1139 return ret;
1140 }
1141
1142 static
1143 int cmd_print_lttng_live_sessions(struct bt_config *cfg)
1144 {
1145 int ret = 0;
1146 struct bt_component_class *comp_cls = NULL;
1147 struct bt_value *results = NULL;
1148 struct bt_value *params = NULL;
1149 struct bt_value *map = NULL;
1150 struct bt_value *v = NULL;
1151 static const char * const plugin_name = "ctf";
1152 static const char * const comp_cls_name = "lttng-live";
1153 static const enum bt_component_class_type comp_cls_type =
1154 BT_COMPONENT_CLASS_TYPE_SOURCE;
1155 int64_t array_size, i;
1156 const char *fail_reason = NULL;
1157
1158 assert(cfg->cmd_data.print_lttng_live_sessions.url);
1159 comp_cls = find_component_class(plugin_name, comp_cls_name,
1160 comp_cls_type);
1161 if (!comp_cls) {
1162 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
1163 "comp-cls-name=\"%s\", comp-cls-type=%d",
1164 plugin_name, comp_cls_name,
1165 BT_COMPONENT_CLASS_TYPE_SOURCE);
1166 fprintf(stderr, "%s%sCannot find component class %s",
1167 bt_common_color_bold(),
1168 bt_common_color_fg_red(),
1169 bt_common_color_reset());
1170 print_plugin_comp_cls_opt(stderr, plugin_name,
1171 comp_cls_name, comp_cls_type);
1172 fprintf(stderr, "\n");
1173 goto error;
1174 }
1175
1176 params = bt_value_map_create();
1177 if (!params) {
1178 goto error;
1179 }
1180
1181 ret = bt_value_map_insert_string(params, "url",
1182 cfg->cmd_data.print_lttng_live_sessions.url->str);
1183 if (ret) {
1184 goto error;
1185 }
1186
1187 ret = query(comp_cls, "sessions", params, &results, &fail_reason);
1188 if (ret) {
1189 goto failed;
1190 }
1191
1192 if (!bt_value_is_array(results)) {
1193 BT_LOGE_STR("Expecting an array for sessions query.");
1194 fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
1195 bt_common_color_bold(),
1196 bt_common_color_fg_red(),
1197 bt_common_color_reset());
1198 goto error;
1199 }
1200
1201 array_size = bt_value_array_size(results);
1202 for (i = 0; i < array_size; i++) {
1203 const char *url_text;
1204 int64_t timer_us, streams, clients;
1205
1206 map = bt_value_array_get(results, i);
1207 if (!map) {
1208 BT_LOGE_STR("Unexpected empty array entry.");
1209 goto error;
1210 }
1211 if (!bt_value_is_map(map)) {
1212 BT_LOGE_STR("Unexpected entry type.");
1213 goto error;
1214 }
1215
1216 v = bt_value_map_get(map, "url");
1217 if (!v) {
1218 BT_LOGE_STR("Unexpected empty array \"url\" entry.");
1219 goto error;
1220 }
1221 ret = bt_value_string_get(v, &url_text);
1222 assert(ret == 0);
1223 printf("%s", url_text);
1224 BT_PUT(v);
1225
1226 v = bt_value_map_get(map, "timer-us");
1227 if (!v) {
1228 BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
1229 goto error;
1230 }
1231 ret = bt_value_integer_get(v, &timer_us);
1232 assert(ret == 0);
1233 printf(" (timer = %" PRIu64 ", ", timer_us);
1234 BT_PUT(v);
1235
1236 v = bt_value_map_get(map, "stream-count");
1237 if (!v) {
1238 BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
1239 goto error;
1240 }
1241 ret = bt_value_integer_get(v, &streams);
1242 assert(ret == 0);
1243 printf("%" PRIu64 " stream(s), ", streams);
1244 BT_PUT(v);
1245
1246 v = bt_value_map_get(map, "client-count");
1247 if (!v) {
1248 BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
1249 goto error;
1250 }
1251 ret = bt_value_integer_get(v, &clients);
1252 assert(ret == 0);
1253 printf("%" PRIu64 " client(s) connected)\n", clients);
1254 BT_PUT(v);
1255
1256 BT_PUT(map);
1257 }
1258
1259 goto end;
1260
1261 failed:
1262 BT_LOGE("Failed to query for sessions: %s", fail_reason);
1263 fprintf(stderr, "%s%sFailed to request sessions: %s%s\n",
1264 bt_common_color_bold(),
1265 bt_common_color_fg_red(),
1266 fail_reason,
1267 bt_common_color_reset());
1268
1269 error:
1270 ret = -1;
1271
1272 end:
1273 bt_put(v);
1274 bt_put(map);
1275 bt_put(results);
1276 bt_put(params);
1277 bt_put(comp_cls);
1278 return 0;
1279 }
1280
1281 static
1282 int cmd_print_ctf_metadata(struct bt_config *cfg)
1283 {
1284 int ret = 0;
1285 struct bt_component_class *comp_cls = NULL;
1286 struct bt_value *results = NULL;
1287 struct bt_value *params = NULL;
1288 struct bt_value *metadata_text_value = NULL;
1289 const char *metadata_text = NULL;
1290 static const char * const plugin_name = "ctf";
1291 static const char * const comp_cls_name = "fs";
1292 static const enum bt_component_class_type comp_cls_type =
1293 BT_COMPONENT_CLASS_TYPE_SOURCE;
1294 const char *fail_reason = NULL;
1295
1296 assert(cfg->cmd_data.print_ctf_metadata.path);
1297 comp_cls = find_component_class(plugin_name, comp_cls_name,
1298 comp_cls_type);
1299 if (!comp_cls) {
1300 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
1301 "comp-cls-name=\"%s\", comp-cls-type=%d",
1302 plugin_name, comp_cls_name,
1303 BT_COMPONENT_CLASS_TYPE_SOURCE);
1304 fprintf(stderr, "%s%sCannot find component class %s",
1305 bt_common_color_bold(),
1306 bt_common_color_fg_red(),
1307 bt_common_color_reset());
1308 print_plugin_comp_cls_opt(stderr, plugin_name,
1309 comp_cls_name, comp_cls_type);
1310 fprintf(stderr, "\n");
1311 ret = -1;
1312 goto end;
1313 }
1314
1315 params = bt_value_map_create();
1316 if (!params) {
1317 ret = -1;
1318 goto end;
1319 }
1320
1321 ret = bt_value_map_insert_string(params, "path",
1322 cfg->cmd_data.print_ctf_metadata.path->str);
1323 if (ret) {
1324 ret = -1;
1325 goto end;
1326 }
1327
1328 ret = query(comp_cls, "metadata-info", params, &results, &fail_reason);
1329 if (ret) {
1330 goto failed;
1331 }
1332
1333 metadata_text_value = bt_value_map_get(results, "text");
1334 if (!metadata_text_value) {
1335 BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
1336 ret = -1;
1337 goto end;
1338 }
1339
1340 ret = bt_value_string_get(metadata_text_value, &metadata_text);
1341 assert(ret == 0);
1342 printf("%s\n", metadata_text);
1343 goto end;
1344
1345 failed:
1346 ret = -1;
1347 BT_LOGE("Failed to query for metadata info: %s", fail_reason);
1348 fprintf(stderr, "%s%sFailed to request metadata info: %s%s\n",
1349 bt_common_color_bold(),
1350 bt_common_color_fg_red(),
1351 fail_reason,
1352 bt_common_color_reset());
1353
1354 end:
1355 destroy_the_query_executor();
1356 bt_put(results);
1357 bt_put(params);
1358 bt_put(metadata_text_value);
1359 bt_put(comp_cls);
1360 return 0;
1361 }
1362
1363 struct port_id {
1364 char *instance_name;
1365 char *port_name;
1366 };
1367
1368 struct trace_range {
1369 uint64_t intersection_range_begin_ns;
1370 uint64_t intersection_range_end_ns;
1371 };
1372
1373 static
1374 guint port_id_hash(gconstpointer v)
1375 {
1376 const struct port_id *id = v;
1377
1378 assert(id->instance_name);
1379 assert(id->port_name);
1380
1381 return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
1382 }
1383
1384 static
1385 gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
1386 {
1387 const struct port_id *id1 = v1;
1388 const struct port_id *id2 = v2;
1389
1390 return !strcmp(id1->instance_name, id2->instance_name) &&
1391 !strcmp(id1->port_name, id2->port_name);
1392 }
1393
1394 static
1395 void port_id_destroy(gpointer data)
1396 {
1397 struct port_id *id = data;
1398
1399 free(id->instance_name);
1400 free(id->port_name);
1401 free(id);
1402 }
1403
1404 static
1405 void trace_range_destroy(gpointer data)
1406 {
1407 free(data);
1408 }
1409
1410 struct cmd_run_ctx {
1411 /* Owned by this */
1412 GHashTable *components;
1413
1414 /* Owned by this */
1415 struct bt_graph *graph;
1416
1417 /* Weak */
1418 struct bt_config *cfg;
1419
1420 bool connect_ports;
1421
1422 bool stream_intersection_mode;
1423
1424 /*
1425 * Association of struct port_id -> struct trace_range.
1426 */
1427 GHashTable *intersections;
1428 };
1429
1430 /* Returns a timestamp of the form "(-)s.ns" */
1431 static
1432 char *s_from_ns(int64_t ns)
1433 {
1434 int ret;
1435 char *s_ret = NULL;
1436 bool is_negative;
1437 int64_t ts_sec_abs, ts_nsec_abs;
1438 int64_t ts_sec = ns / NSEC_PER_SEC;
1439 int64_t ts_nsec = ns % NSEC_PER_SEC;
1440
1441 if (ts_sec >= 0 && ts_nsec >= 0) {
1442 is_negative = false;
1443 ts_sec_abs = ts_sec;
1444 ts_nsec_abs = ts_nsec;
1445 } else if (ts_sec > 0 && ts_nsec < 0) {
1446 is_negative = false;
1447 ts_sec_abs = ts_sec - 1;
1448 ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
1449 } else if (ts_sec == 0 && ts_nsec < 0) {
1450 is_negative = true;
1451 ts_sec_abs = ts_sec;
1452 ts_nsec_abs = -ts_nsec;
1453 } else if (ts_sec < 0 && ts_nsec > 0) {
1454 is_negative = true;
1455 ts_sec_abs = -(ts_sec + 1);
1456 ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
1457 } else if (ts_sec < 0 && ts_nsec == 0) {
1458 is_negative = true;
1459 ts_sec_abs = -ts_sec;
1460 ts_nsec_abs = ts_nsec;
1461 } else { /* (ts_sec < 0 && ts_nsec < 0) */
1462 is_negative = true;
1463 ts_sec_abs = -ts_sec;
1464 ts_nsec_abs = -ts_nsec;
1465 }
1466
1467 ret = asprintf(&s_ret, "%s%" PRId64 ".%09" PRId64,
1468 is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
1469 if (ret < 0) {
1470 s_ret = NULL;
1471 }
1472 return s_ret;
1473 }
1474
1475 static
1476 int cmd_run_ctx_connect_upstream_port_to_downstream_component(
1477 struct cmd_run_ctx *ctx, struct bt_component *upstream_comp,
1478 struct bt_port *upstream_port,
1479 struct bt_config_connection *cfg_conn)
1480 {
1481 int ret = 0;
1482 GQuark downstreamp_comp_name_quark;
1483 struct bt_component *downstream_comp;
1484 int64_t downstream_port_count;
1485 uint64_t i;
1486 int64_t (*port_count_fn)(struct bt_component *);
1487 struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
1488 enum bt_graph_status status = BT_GRAPH_STATUS_ERROR;
1489 bool insert_trimmer = false;
1490 struct bt_value *trimmer_params = NULL;
1491 char *intersection_begin = NULL;
1492 char *intersection_end = NULL;
1493 struct bt_component *trimmer = NULL;
1494 struct bt_component_class *trimmer_class = NULL;
1495 struct bt_port *trimmer_input = NULL;
1496 struct bt_port *trimmer_output = NULL;
1497
1498 if (ctx->intersections &&
1499 bt_component_get_class_type(upstream_comp) ==
1500 BT_COMPONENT_CLASS_TYPE_SOURCE) {
1501 struct trace_range *range;
1502 struct port_id port_id = {
1503 .instance_name = (char *) bt_component_get_name(upstream_comp),
1504 .port_name = (char *) bt_port_get_name(upstream_port)
1505 };
1506
1507 if (!port_id.instance_name || !port_id.port_name) {
1508 goto error;
1509 }
1510
1511 range = (struct trace_range *) g_hash_table_lookup(
1512 ctx->intersections, &port_id);
1513 if (range) {
1514 enum bt_value_status status;
1515
1516 intersection_begin = s_from_ns(
1517 range->intersection_range_begin_ns);
1518 intersection_end = s_from_ns(
1519 range->intersection_range_end_ns);
1520 if (!intersection_begin || !intersection_end) {
1521 BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
1522 goto error;
1523 }
1524
1525 insert_trimmer = true;
1526 trimmer_params = bt_value_map_create();
1527 if (!trimmer_params) {
1528 goto error;
1529 }
1530
1531 status = bt_value_map_insert_string(trimmer_params,
1532 "begin", intersection_begin);
1533 if (status != BT_VALUE_STATUS_OK) {
1534 goto error;
1535 }
1536 status = bt_value_map_insert_string(trimmer_params,
1537 "end", intersection_end);
1538 if (status != BT_VALUE_STATUS_OK) {
1539 goto error;
1540 }
1541 }
1542
1543 trimmer_class = find_component_class("utils", "trimmer",
1544 BT_COMPONENT_CLASS_TYPE_FILTER);
1545 if (!trimmer_class) {
1546 goto error;
1547 }
1548 }
1549
1550 BT_LOGI("Connecting upstream port to the next available downstream port: "
1551 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1552 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1553 upstream_port, bt_port_get_name(upstream_port),
1554 cfg_conn->downstream_comp_name->str,
1555 cfg_conn->arg->str);
1556 downstreamp_comp_name_quark = g_quark_from_string(
1557 cfg_conn->downstream_comp_name->str);
1558 assert(downstreamp_comp_name_quark > 0);
1559 downstream_comp = g_hash_table_lookup(ctx->components,
1560 GUINT_TO_POINTER(downstreamp_comp_name_quark));
1561 if (!downstream_comp) {
1562 BT_LOGE("Cannot find downstream component: comp-name=\"%s\", "
1563 "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
1564 cfg_conn->arg->str);
1565 fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n",
1566 cfg_conn->arg->str);
1567 goto error;
1568 }
1569
1570 if (bt_component_is_filter(downstream_comp)) {
1571 port_count_fn = bt_component_filter_get_input_port_count;
1572 port_by_index_fn = bt_component_filter_get_input_port_by_index;
1573 } else if (bt_component_is_sink(downstream_comp)) {
1574 port_count_fn = bt_component_sink_get_input_port_count;
1575 port_by_index_fn = bt_component_sink_get_input_port_by_index;
1576 } else {
1577 /*
1578 * Should never happen because the connections are
1579 * validated before we get here.
1580 */
1581 BT_LOGF("Invalid connection: downstream component is a source: "
1582 "conn-arg=\"%s\"", cfg_conn->arg->str);
1583 abort();
1584 }
1585
1586 downstream_port_count = port_count_fn(downstream_comp);
1587 assert(downstream_port_count >= 0);
1588
1589 for (i = 0; i < downstream_port_count; i++) {
1590 struct bt_port *downstream_port =
1591 port_by_index_fn(downstream_comp, i);
1592 const char *upstream_port_name;
1593 const char *downstream_port_name;
1594
1595 assert(downstream_port);
1596
1597 /* Skip port if it's already connected. */
1598 if (bt_port_is_connected(downstream_port)) {
1599 bt_put(downstream_port);
1600 BT_LOGD("Skipping downstream port: already connected: "
1601 "port-addr=%p, port-name=\"%s\"",
1602 downstream_port,
1603 bt_port_get_name(downstream_port));
1604 continue;
1605 }
1606
1607 downstream_port_name = bt_port_get_name(downstream_port);
1608 assert(downstream_port_name);
1609 upstream_port_name = bt_port_get_name(upstream_port);
1610 assert(upstream_port_name);
1611
1612 if (!bt_common_star_glob_match(
1613 cfg_conn->downstream_port_glob->str, SIZE_MAX,
1614 downstream_port_name, SIZE_MAX)) {
1615 bt_put(downstream_port);
1616 continue;
1617 }
1618
1619 if (insert_trimmer) {
1620 /*
1621 * In order to insert the trimmer between the two
1622 * components that were being connected, we create
1623 * a connection configuration entry which describes
1624 * a connection from the trimmer's output to the
1625 * original input that was being connected.
1626 *
1627 * Hence, the creation of the trimmer will cause the
1628 * graph "new port" listener to establish all downstream
1629 * connections as its output port is connected. We will
1630 * then establish the connection between the original
1631 * upstream source and the trimmer.
1632 */
1633 char *trimmer_name = NULL;
1634 enum bt_graph_status graph_status;
1635
1636 ret = asprintf(&trimmer_name, "%s-%s",
1637 "stream-intersection-trimmer",
1638 upstream_port_name);
1639 if (ret < 0) {
1640 goto error;
1641 }
1642 ret = 0;
1643
1644 ctx->connect_ports = false;
1645 graph_status = bt_graph_add_component(ctx->graph,
1646 trimmer_class, trimmer_name, trimmer_params,
1647 &trimmer);
1648 free(trimmer_name);
1649 if (graph_status != BT_GRAPH_STATUS_OK) {
1650 goto error;
1651 }
1652 assert(trimmer);
1653
1654 trimmer_input =
1655 bt_component_filter_get_input_port_by_index(
1656 trimmer, 0);
1657 if (!trimmer_input) {
1658 goto error;
1659 }
1660 trimmer_output =
1661 bt_component_filter_get_output_port_by_index(
1662 trimmer, 0);
1663 if (!trimmer_output) {
1664 goto error;
1665 }
1666
1667 /*
1668 * Replace the current downstream port by the trimmer's
1669 * upstream port.
1670 */
1671 BT_MOVE(downstream_port, trimmer_input);
1672 downstream_port_name = bt_port_get_name(
1673 downstream_port);
1674 if (!downstream_port_name) {
1675 goto error;
1676 }
1677 }
1678
1679 /* We have a winner! */
1680 status = bt_graph_connect_ports(ctx->graph,
1681 upstream_port, downstream_port, NULL);
1682 BT_PUT(downstream_port);
1683 switch (status) {
1684 case BT_GRAPH_STATUS_OK:
1685 break;
1686 case BT_GRAPH_STATUS_CANCELED:
1687 BT_LOGI_STR("Graph was canceled by user.");
1688 status = BT_GRAPH_STATUS_OK;
1689 break;
1690 case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
1691 BT_LOGE("A component refused a connection to one of its ports: "
1692 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1693 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1694 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1695 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1696 "conn-arg=\"%s\"",
1697 upstream_comp, bt_component_get_name(upstream_comp),
1698 upstream_port, bt_port_get_name(upstream_port),
1699 downstream_comp, cfg_conn->downstream_comp_name->str,
1700 downstream_port, downstream_port_name,
1701 cfg_conn->arg->str);
1702 fprintf(stderr,
1703 "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
1704 bt_port_get_name(upstream_port),
1705 downstream_port_name,
1706 cfg_conn->arg->str);
1707 break;
1708 default:
1709 BT_LOGE("Cannot create connection: graph refuses to connect ports: "
1710 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1711 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1712 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1713 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1714 "conn-arg=\"%s\"",
1715 upstream_comp, bt_component_get_name(upstream_comp),
1716 upstream_port, bt_port_get_name(upstream_port),
1717 downstream_comp, cfg_conn->downstream_comp_name->str,
1718 downstream_port, downstream_port_name,
1719 cfg_conn->arg->str);
1720 fprintf(stderr,
1721 "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
1722 bt_port_get_name(upstream_port),
1723 downstream_port_name,
1724 cfg_conn->arg->str);
1725 goto error;
1726 }
1727
1728 BT_LOGI("Connected component ports: "
1729 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1730 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1731 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1732 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1733 "conn-arg=\"%s\"",
1734 upstream_comp, bt_component_get_name(upstream_comp),
1735 upstream_port, bt_port_get_name(upstream_port),
1736 downstream_comp, cfg_conn->downstream_comp_name->str,
1737 downstream_port, downstream_port_name,
1738 cfg_conn->arg->str);
1739
1740 if (insert_trimmer) {
1741 /*
1742 * The first connection, from the source to the trimmer,
1743 * has been done. We now connect the trimmer to the
1744 * original downstream port.
1745 */
1746 ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
1747 ctx, trimmer, trimmer_output, cfg_conn);
1748 if (ret) {
1749 goto error;
1750 }
1751 ctx->connect_ports = true;
1752 }
1753
1754 /*
1755 * We found a matching downstream port: the search is
1756 * over.
1757 */
1758 goto end;
1759 }
1760
1761 /* No downstream port found */
1762 BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
1763 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1764 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1765 upstream_port, bt_port_get_name(upstream_port),
1766 cfg_conn->downstream_comp_name->str,
1767 cfg_conn->arg->str);
1768 fprintf(stderr,
1769 "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
1770 bt_port_get_name(upstream_port), cfg_conn->arg->str);
1771
1772 error:
1773 ret = -1;
1774
1775 end:
1776 free(intersection_begin);
1777 free(intersection_end);
1778 BT_PUT(trimmer_params);
1779 BT_PUT(trimmer_class);
1780 BT_PUT(trimmer);
1781 BT_PUT(trimmer_input);
1782 BT_PUT(trimmer_output);
1783 return ret;
1784 }
1785
1786 static
1787 int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
1788 struct bt_port *upstream_port)
1789 {
1790 int ret = 0;
1791 const char *upstream_port_name;
1792 const char *upstream_comp_name;
1793 struct bt_component *upstream_comp = NULL;
1794 size_t i;
1795
1796 assert(ctx);
1797 assert(upstream_port);
1798 upstream_port_name = bt_port_get_name(upstream_port);
1799 assert(upstream_port_name);
1800 upstream_comp = bt_port_get_component(upstream_port);
1801 if (!upstream_comp) {
1802 BT_LOGW("Upstream port to connect is not part of a component: "
1803 "port-addr=%p, port-name=\"%s\"",
1804 upstream_port, upstream_port_name);
1805 ret = -1;
1806 goto end;
1807 }
1808
1809 upstream_comp_name = bt_component_get_name(upstream_comp);
1810 assert(upstream_comp_name);
1811 BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
1812 "port-addr=%p, port-name=\"%s\"",
1813 upstream_comp, upstream_comp_name,
1814 upstream_port, upstream_port_name);
1815
1816 for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) {
1817 struct bt_config_connection *cfg_conn =
1818 g_ptr_array_index(
1819 ctx->cfg->cmd_data.run.connections, i);
1820
1821 if (strcmp(cfg_conn->upstream_comp_name->str,
1822 upstream_comp_name)) {
1823 continue;
1824 }
1825
1826 if (!bt_common_star_glob_match(
1827 cfg_conn->upstream_port_glob->str,
1828 SIZE_MAX, upstream_port_name, SIZE_MAX)) {
1829 continue;
1830 }
1831
1832 ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
1833 ctx, upstream_comp, upstream_port, cfg_conn);
1834 if (ret) {
1835 BT_LOGE("Cannot connect upstream port: "
1836 "port-addr=%p, port-name=\"%s\"",
1837 upstream_port,
1838 upstream_port_name);
1839 fprintf(stderr,
1840 "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
1841 upstream_port_name,
1842 upstream_comp_name,
1843 cfg_conn->arg->str);
1844 goto error;
1845 }
1846 goto end;
1847 }
1848
1849 BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
1850 "port-addr=%p, port-name=\"%s\"", upstream_port,
1851 upstream_port_name);
1852 fprintf(stderr,
1853 "Cannot create connection: upstream port `%s` does not match any connection\n",
1854 upstream_port_name);
1855
1856 error:
1857 ret = -1;
1858
1859 end:
1860 bt_put(upstream_comp);
1861 return ret;
1862 }
1863
1864 static
1865 void graph_port_added_listener(struct bt_port *port, void *data)
1866 {
1867 struct bt_component *comp = NULL;
1868 struct cmd_run_ctx *ctx = data;
1869
1870 comp = bt_port_get_component(port);
1871 BT_LOGI("Port added to a graph's component: comp-addr=%p, "
1872 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1873 comp, comp ? bt_component_get_name(comp) : "",
1874 port, bt_port_get_name(port));
1875
1876 if (!ctx->connect_ports) {
1877 goto end;
1878 }
1879
1880 if (!comp) {
1881 BT_LOGW_STR("Port has no component.");
1882 goto end;
1883 }
1884
1885 if (bt_port_is_connected(port)) {
1886 BT_LOGW_STR("Port is already connected.");
1887 goto end;
1888 }
1889
1890 if (!bt_port_is_output(port)) {
1891 BT_LOGI_STR("Skipping input port.");
1892 goto end;
1893 }
1894
1895 if (cmd_run_ctx_connect_upstream_port(ctx, port)) {
1896 BT_LOGF_STR("Cannot connect upstream port.");
1897 fprintf(stderr, "Added port could not be connected: aborting\n");
1898 abort();
1899 }
1900
1901 end:
1902 bt_put(comp);
1903 return;
1904 }
1905
1906 static
1907 void graph_port_removed_listener(struct bt_component *component,
1908 struct bt_port *port, void *data)
1909 {
1910 BT_LOGI("Port removed from a graph's component: comp-addr=%p, "
1911 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1912 component, bt_component_get_name(component),
1913 port, bt_port_get_name(port));
1914 }
1915
1916 static
1917 void graph_ports_connected_listener(struct bt_port *upstream_port,
1918 struct bt_port *downstream_port, void *data)
1919 {
1920 struct bt_component *upstream_comp = bt_port_get_component(upstream_port);
1921 struct bt_component *downstream_comp = bt_port_get_component(downstream_port);
1922
1923 assert(upstream_comp);
1924 assert(downstream_comp);
1925 BT_LOGI("Graph's component ports connected: "
1926 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1927 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1928 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1929 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1930 upstream_comp, bt_component_get_name(upstream_comp),
1931 upstream_port, bt_port_get_name(upstream_port),
1932 downstream_comp, bt_component_get_name(downstream_comp),
1933 downstream_port, bt_port_get_name(downstream_port));
1934 bt_put(upstream_comp);
1935 bt_put(downstream_comp);
1936 }
1937
1938 static
1939 void graph_ports_disconnected_listener(
1940 struct bt_component *upstream_component,
1941 struct bt_component *downstream_component,
1942 struct bt_port *upstream_port, struct bt_port *downstream_port,
1943 void *data)
1944 {
1945 BT_LOGI("Graph's component ports disconnected: "
1946 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1947 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1948 upstream_port, bt_port_get_name(upstream_port),
1949 downstream_port, bt_port_get_name(downstream_port));
1950 }
1951
1952 static
1953 void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
1954 {
1955 if (!ctx) {
1956 return;
1957 }
1958
1959 if (ctx->components) {
1960 g_hash_table_destroy(ctx->components);
1961 ctx->components = NULL;
1962 }
1963
1964 if (ctx->intersections) {
1965 g_hash_table_destroy(ctx->intersections);
1966 ctx->intersections = NULL;
1967 }
1968
1969 BT_PUT(ctx->graph);
1970 the_graph = NULL;
1971 ctx->cfg = NULL;
1972 }
1973
1974 static
1975 int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
1976 {
1977 int ret = 0;
1978
1979 ctx->cfg = cfg;
1980 ctx->connect_ports = false;
1981 ctx->components = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1982 NULL, bt_put);
1983 if (!ctx->components) {
1984 goto error;
1985 }
1986
1987 if (cfg->cmd_data.run.stream_intersection_mode) {
1988 ctx->stream_intersection_mode = true;
1989 ctx->intersections = g_hash_table_new_full(port_id_hash,
1990 port_id_equal, port_id_destroy, trace_range_destroy);
1991 if (!ctx->intersections) {
1992 goto error;
1993 }
1994 }
1995
1996 ctx->graph = bt_graph_create();
1997 if (!ctx->graph) {
1998 goto error;
1999 }
2000
2001 the_graph = ctx->graph;
2002 ret = bt_graph_add_port_added_listener(ctx->graph,
2003 graph_port_added_listener, NULL, ctx);
2004 if (ret < 0) {
2005 BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
2006 goto error;
2007 }
2008
2009 ret = bt_graph_add_port_removed_listener(ctx->graph,
2010 graph_port_removed_listener, NULL, ctx);
2011 if (ret < 0) {
2012 BT_LOGE_STR("Cannot add \"port removed\" listener to graph.");
2013 goto error;
2014 }
2015
2016 ret = bt_graph_add_ports_connected_listener(ctx->graph,
2017 graph_ports_connected_listener, NULL, ctx);
2018 if (ret < 0) {
2019 BT_LOGE_STR("Cannot add \"ports connected\" listener to graph.");
2020 goto error;
2021 }
2022
2023 ret = bt_graph_add_ports_disconnected_listener(ctx->graph,
2024 graph_ports_disconnected_listener, NULL, ctx);
2025 if (ret < 0) {
2026 BT_LOGE_STR("Cannot add \"ports disconnected\" listener to graph.");
2027 goto error;
2028 }
2029
2030 goto end;
2031
2032 error:
2033 cmd_run_ctx_destroy(ctx);
2034 ret = -1;
2035
2036 end:
2037 return ret;
2038 }
2039
2040 static
2041 int set_stream_intersections(struct cmd_run_ctx *ctx,
2042 struct bt_config_component *cfg_comp,
2043 struct bt_component_class *comp_cls)
2044 {
2045 int ret = 0;
2046 uint64_t trace_idx;
2047 int64_t trace_count;
2048 enum bt_value_status value_status;
2049 const char *path = NULL;
2050 struct bt_value *component_path_value = NULL;
2051 struct bt_value *query_params = NULL;
2052 struct bt_value *query_result = NULL;
2053 struct bt_value *trace_info = NULL;
2054 struct bt_value *intersection_range = NULL;
2055 struct bt_value *intersection_begin = NULL;
2056 struct bt_value *intersection_end = NULL;
2057 struct bt_value *stream_path_value = NULL;
2058 struct bt_value *stream_paths = NULL;
2059 struct bt_value *stream_infos = NULL;
2060 struct bt_value *stream_info = NULL;
2061 struct port_id *port_id = NULL;
2062 struct trace_range *trace_range = NULL;
2063 const char *fail_reason = NULL;
2064
2065 component_path_value = bt_value_map_get(cfg_comp->params, "path");
2066 if (!bt_value_is_string(component_path_value)) {
2067 BT_LOGD("Cannot get path parameter: component-name=%s",
2068 cfg_comp->instance_name->str);
2069 ret = -1;
2070 goto error;
2071 }
2072
2073 value_status = bt_value_string_get(component_path_value, &path);
2074 if (value_status != BT_VALUE_STATUS_OK) {
2075 BT_LOGD("Cannot get path string value: component-name=%s",
2076 cfg_comp->instance_name->str);
2077 ret = -1;
2078 goto error;
2079 }
2080
2081 query_params = bt_value_map_create();
2082 if (!query_params) {
2083 BT_LOGE_STR("Cannot create query parameters.");
2084 ret = -1;
2085 goto error;
2086 }
2087
2088 value_status = bt_value_map_insert(query_params, "path", component_path_value);
2089 if (value_status != BT_VALUE_STATUS_OK) {
2090 BT_LOGE_STR("Cannot insert path parameter in query paramater map.");
2091 ret = -1;
2092 goto error;
2093 }
2094
2095 ret = query(comp_cls, "trace-info", query_params, &query_result,
2096 &fail_reason);
2097 if (ret) {
2098 BT_LOGD("Component class does not support the `trace-info` query: %s: "
2099 "comp-class-name=\"%s\"", fail_reason,
2100 bt_component_class_get_name(comp_cls));
2101 ret = -1;
2102 goto error;
2103 }
2104
2105 if (!bt_value_is_array(query_result)) {
2106 BT_LOGD("Unexpected format of \'trace-info\' query result: "
2107 "component-class-name=%s",
2108 bt_component_class_get_name(comp_cls));
2109 ret = -1;
2110 goto error;
2111 }
2112
2113 trace_count = bt_value_array_size(query_result);
2114 if (trace_count < 0) {
2115 ret = -1;
2116 goto error;
2117 }
2118
2119 for (trace_idx = 0; trace_idx < trace_count; trace_idx++) {
2120 int64_t begin, end;
2121 uint64_t stream_idx;
2122 int64_t stream_count;
2123
2124 trace_info = bt_value_array_get(query_result, trace_idx);
2125 if (!trace_info || !bt_value_is_map(trace_info)) {
2126 ret = -1;
2127 BT_LOGD_STR("Cannot retrieve trace from query result.");
2128 goto error;
2129 }
2130
2131 intersection_range = bt_value_map_get(trace_info,
2132 "intersection-range-ns");
2133 if (!intersection_range) {
2134 ret = -1;
2135 BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
2136 goto error;
2137 }
2138
2139 intersection_begin = bt_value_map_get(intersection_range,
2140 "begin");
2141 if (!intersection_begin) {
2142 ret = -1;
2143 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
2144 goto error;
2145 }
2146
2147 intersection_end = bt_value_map_get(intersection_range,
2148 "end");
2149 if (!intersection_end) {
2150 ret = -1;
2151 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
2152 goto error;
2153 }
2154
2155 value_status = bt_value_integer_get(intersection_begin, &begin);
2156 if (value_status != BT_VALUE_STATUS_OK) {
2157 ret = -1;
2158 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'begin\' field from query result.");
2159 goto error;
2160 }
2161
2162 value_status = bt_value_integer_get(intersection_end, &end);
2163 if (value_status != BT_VALUE_STATUS_OK) {
2164 ret = -1;
2165 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'end\' field from query result.");
2166 goto error;
2167 }
2168
2169 if (begin < 0 || end < 0 || end < begin) {
2170 BT_LOGW("Invalid trace stream intersection values: "
2171 "intersection-range-ns:begin=%" PRId64
2172 ", intersection-range-ns:end=%" PRId64,
2173 begin, end);
2174 ret = -1;
2175 goto error;
2176 }
2177
2178 stream_infos = bt_value_map_get(trace_info, "streams");
2179 if (!stream_infos || !bt_value_is_array(stream_infos)) {
2180 ret = -1;
2181 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
2182 goto error;
2183 }
2184
2185 stream_count = bt_value_array_size(stream_infos);
2186 if (stream_count < 0) {
2187 ret = -1;
2188 goto error;
2189 }
2190
2191 /*
2192 * FIXME
2193 *
2194 * The first path of a stream's "paths" is currently used to
2195 * associate streams/ports to a given trace intersection.
2196 *
2197 * This is a fragile hack as it relies on the port names
2198 * being set to the various streams path.
2199 *
2200 * A stream name should be introduced as part of the trace-info
2201 * query result.
2202 */
2203 for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
2204 const char *stream_path;
2205
2206 port_id = g_new0(struct port_id, 1);
2207 if (!port_id) {
2208 ret = -1;
2209 BT_LOGE_STR("Cannot allocate memory for port_id structure.");
2210 goto error;
2211 }
2212 port_id->instance_name = strdup(cfg_comp->instance_name->str);
2213 if (!port_id->instance_name) {
2214 ret = -1;
2215 BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
2216 goto error;
2217 }
2218
2219 trace_range = g_new0(struct trace_range, 1);
2220 if (!trace_range) {
2221 ret = -1;
2222 BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
2223 goto error;
2224 }
2225 trace_range->intersection_range_begin_ns = begin;
2226 trace_range->intersection_range_end_ns = end;
2227
2228 stream_info = bt_value_array_get(stream_infos,
2229 stream_idx);
2230 if (!stream_info || !bt_value_is_map(stream_info)) {
2231 ret = -1;
2232 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
2233 goto error;
2234 }
2235
2236 stream_paths = bt_value_map_get(stream_info, "paths");
2237 if (!stream_paths || !bt_value_is_array(stream_paths)) {
2238 ret = -1;
2239 BT_LOGD_STR("Cannot retrieve stream paths from trace in query result.");
2240 goto error;
2241 }
2242
2243 stream_path_value = bt_value_array_get(stream_paths, 0);
2244 if (!stream_path_value ||
2245 !bt_value_is_string(stream_path_value)) {
2246 ret = -1;
2247 BT_LOGD_STR("Cannot retrieve stream path value from trace in query result.");
2248 goto error;
2249 }
2250
2251 value_status = bt_value_string_get(stream_path_value,
2252 &stream_path);
2253 if (value_status != BT_VALUE_STATUS_OK) {
2254 ret = -1;
2255 goto error;
2256 }
2257
2258 port_id->port_name = strdup(stream_path);
2259 if (!port_id->port_name) {
2260 ret = -1;
2261 BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
2262 goto error;
2263 }
2264
2265 BT_LOGD("Inserting stream intersection ");
2266
2267 g_hash_table_insert(ctx->intersections, port_id, trace_range);
2268
2269 port_id = NULL;
2270 trace_range = NULL;
2271 BT_PUT(stream_info);
2272 BT_PUT(stream_paths);
2273 BT_PUT(stream_path_value);
2274 }
2275
2276 BT_PUT(trace_info);
2277 BT_PUT(stream_paths);
2278 BT_PUT(stream_path_value);
2279 BT_PUT(intersection_range);
2280 BT_PUT(intersection_begin);
2281 BT_PUT(intersection_end);
2282 BT_PUT(stream_paths);
2283 BT_PUT(stream_path_value);
2284 }
2285
2286 goto end;
2287
2288 error:
2289 fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
2290 bt_common_color_bold(),
2291 bt_common_color_fg_yellow(),
2292 path ? path : "(unknown)",
2293 bt_common_color_reset());
2294 end:
2295 bt_put(component_path_value);
2296 bt_put(query_params);
2297 bt_put(query_result);
2298 bt_put(trace_info);
2299 bt_put(intersection_range);
2300 bt_put(intersection_begin);
2301 bt_put(intersection_end);
2302 bt_put(stream_infos);
2303 bt_put(stream_info);
2304 bt_put(stream_paths);
2305 bt_put(stream_path_value);
2306 g_free(port_id);
2307 g_free(trace_range);
2308 return ret;
2309 }
2310
2311 static
2312 int cmd_run_ctx_create_components_from_config_components(
2313 struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
2314 {
2315 size_t i;
2316 struct bt_component_class *comp_cls = NULL;
2317 struct bt_component *comp = NULL;
2318 int ret = 0;
2319
2320 for (i = 0; i < cfg_components->len; i++) {
2321 struct bt_config_component *cfg_comp =
2322 g_ptr_array_index(cfg_components, i);
2323 GQuark quark;
2324
2325 comp_cls = find_component_class(cfg_comp->plugin_name->str,
2326 cfg_comp->comp_cls_name->str, cfg_comp->type);
2327 if (!comp_cls) {
2328 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
2329 "comp-cls-name=\"%s\", comp-cls-type=%d",
2330 cfg_comp->plugin_name->str,
2331 cfg_comp->comp_cls_name->str,
2332 cfg_comp->type);
2333 fprintf(stderr, "%s%sCannot find component class %s",
2334 bt_common_color_bold(),
2335 bt_common_color_fg_red(),
2336 bt_common_color_reset());
2337 print_plugin_comp_cls_opt(stderr,
2338 cfg_comp->plugin_name->str,
2339 cfg_comp->comp_cls_name->str,
2340 cfg_comp->type);
2341 fprintf(stderr, "\n");
2342 goto error;
2343 }
2344
2345 ret = bt_graph_add_component(ctx->graph, comp_cls,
2346 cfg_comp->instance_name->str, cfg_comp->params, &comp);
2347 if (ret) {
2348 BT_LOGE("Cannot create component: plugin-name=\"%s\", "
2349 "comp-cls-name=\"%s\", comp-cls-type=%d, "
2350 "comp-name=\"%s\"",
2351 cfg_comp->plugin_name->str,
2352 cfg_comp->comp_cls_name->str,
2353 cfg_comp->type, cfg_comp->instance_name->str);
2354 fprintf(stderr, "%s%sCannot create component `%s`%s\n",
2355 bt_common_color_bold(),
2356 bt_common_color_fg_red(),
2357 cfg_comp->instance_name->str,
2358 bt_common_color_reset());
2359 goto error;
2360 }
2361
2362 if (ctx->stream_intersection_mode &&
2363 cfg_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
2364 ret = set_stream_intersections(ctx, cfg_comp, comp_cls);
2365 if (ret) {
2366 goto error;
2367 }
2368 }
2369
2370 BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
2371 comp, cfg_comp->instance_name->str);
2372 quark = g_quark_from_string(cfg_comp->instance_name->str);
2373 assert(quark > 0);
2374 g_hash_table_insert(ctx->components,
2375 GUINT_TO_POINTER(quark), comp);
2376 comp = NULL;
2377 BT_PUT(comp_cls);
2378 }
2379
2380 goto end;
2381
2382 error:
2383 ret = -1;
2384
2385 end:
2386 bt_put(comp);
2387 bt_put(comp_cls);
2388 return ret;
2389 }
2390
2391 static
2392 int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
2393 {
2394 int ret = 0;
2395
2396 /*
2397 * Make sure that, during this phase, our graph's "port added"
2398 * listener does not connect ports while we are creating the
2399 * components because we have a special, initial phase for
2400 * this.
2401 */
2402 ctx->connect_ports = false;
2403
2404 ret = cmd_run_ctx_create_components_from_config_components(
2405 ctx, ctx->cfg->cmd_data.run.sources);
2406 if (ret) {
2407 ret = -1;
2408 goto end;
2409 }
2410
2411 ret = cmd_run_ctx_create_components_from_config_components(
2412 ctx, ctx->cfg->cmd_data.run.filters);
2413 if (ret) {
2414 ret = -1;
2415 goto end;
2416 }
2417
2418 ret = cmd_run_ctx_create_components_from_config_components(
2419 ctx, ctx->cfg->cmd_data.run.sinks);
2420 if (ret) {
2421 ret = -1;
2422 goto end;
2423 }
2424
2425 end:
2426 return ret;
2427 }
2428
2429 static
2430 int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
2431 struct bt_component *comp,
2432 int64_t (*port_count_fn)(struct bt_component *),
2433 struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t))
2434 {
2435 int ret = 0;
2436 int64_t count;
2437 uint64_t i;
2438
2439 count = port_count_fn(comp);
2440 assert(count >= 0);
2441
2442 for (i = 0; i < count; i++) {
2443 struct bt_port *upstream_port = port_by_index_fn(comp, i);
2444
2445 assert(upstream_port);
2446 ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
2447 bt_put(upstream_port);
2448 if (ret) {
2449 goto end;
2450 }
2451 }
2452
2453 end:
2454 return ret;
2455 }
2456
2457 static
2458 int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
2459 {
2460 int ret = 0;
2461 GHashTableIter iter;
2462 gpointer g_name_quark, g_comp;
2463
2464 ctx->connect_ports = true;
2465 g_hash_table_iter_init(&iter, ctx->components);
2466
2467 while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
2468 int64_t (*port_count_fn)(struct bt_component *);
2469 struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
2470
2471 if (bt_component_is_source(g_comp)) {
2472 port_count_fn =
2473 bt_component_source_get_output_port_count;
2474 port_by_index_fn =
2475 bt_component_source_get_output_port_by_index;
2476 } else if (bt_component_is_filter(g_comp)) {
2477 port_count_fn =
2478 bt_component_filter_get_output_port_count;
2479 port_by_index_fn =
2480 bt_component_filter_get_output_port_by_index;
2481 } else {
2482 continue;
2483 }
2484
2485 ret = cmd_run_ctx_connect_comp_ports(ctx,
2486 g_comp, port_count_fn, port_by_index_fn);
2487 if (ret) {
2488 goto end;
2489 }
2490 }
2491
2492 end:
2493 return ret;
2494 }
2495
2496 static inline
2497 const char *bt_graph_status_str(enum bt_graph_status status)
2498 {
2499 switch (status) {
2500 case BT_GRAPH_STATUS_CANCELED:
2501 return "BT_GRAPH_STATUS_CANCELED";
2502 case BT_GRAPH_STATUS_AGAIN:
2503 return "BT_GRAPH_STATUS_AGAIN";
2504 case BT_GRAPH_STATUS_END:
2505 return "BT_GRAPH_STATUS_END";
2506 case BT_GRAPH_STATUS_OK:
2507 return "BT_GRAPH_STATUS_OK";
2508 case BT_GRAPH_STATUS_INVALID:
2509 return "BT_GRAPH_STATUS_INVALID";
2510 case BT_GRAPH_STATUS_NO_SINK:
2511 return "BT_GRAPH_STATUS_NO_SINK";
2512 case BT_GRAPH_STATUS_ERROR:
2513 return "BT_GRAPH_STATUS_ERROR";
2514 default:
2515 return "(unknown)";
2516 }
2517 }
2518
2519 static
2520 int cmd_run(struct bt_config *cfg)
2521 {
2522 int ret = 0;
2523 struct cmd_run_ctx ctx = { 0 };
2524
2525 /* Initialize the command's context and the graph object */
2526 if (cmd_run_ctx_init(&ctx, cfg)) {
2527 BT_LOGE_STR("Cannot initialize the command's context.");
2528 fprintf(stderr, "Cannot initialize the command's context\n");
2529 goto error;
2530 }
2531
2532 if (canceled) {
2533 BT_LOGI_STR("Canceled by user before creating components.");
2534 goto error;
2535 }
2536
2537 BT_LOGI_STR("Creating components.");
2538
2539 /* Create the requested component instances */
2540 if (cmd_run_ctx_create_components(&ctx)) {
2541 BT_LOGE_STR("Cannot create components.");
2542 fprintf(stderr, "Cannot create components\n");
2543 goto error;
2544 }
2545
2546 if (canceled) {
2547 BT_LOGI_STR("Canceled by user before connecting components.");
2548 goto error;
2549 }
2550
2551 BT_LOGI_STR("Connecting components.");
2552
2553 /* Connect the initially visible component ports */
2554 if (cmd_run_ctx_connect_ports(&ctx)) {
2555 BT_LOGE_STR("Cannot connect initial component ports.");
2556 fprintf(stderr, "Cannot connect initial component ports\n");
2557 goto error;
2558 }
2559
2560 if (canceled) {
2561 BT_LOGI_STR("Canceled by user before running the graph.");
2562 goto error;
2563 }
2564
2565 BT_LOGI_STR("Running the graph.");
2566
2567 /* Run the graph */
2568 while (true) {
2569 enum bt_graph_status graph_status = bt_graph_run(ctx.graph);
2570
2571 /*
2572 * Reset console in case something messed with console
2573 * codes during the graph's execution.
2574 */
2575 printf("%s", bt_common_color_reset());
2576 fflush(stdout);
2577 fprintf(stderr, "%s", bt_common_color_reset());
2578 BT_LOGV("bt_graph_run() returned: status=%s",
2579 bt_graph_status_str(graph_status));
2580
2581 switch (graph_status) {
2582 case BT_GRAPH_STATUS_OK:
2583 break;
2584 case BT_GRAPH_STATUS_CANCELED:
2585 BT_LOGI_STR("Graph was canceled by user.");
2586 goto error;
2587 case BT_GRAPH_STATUS_AGAIN:
2588 if (bt_graph_is_canceled(ctx.graph)) {
2589 BT_LOGI_STR("Graph was canceled by user.");
2590 goto error;
2591 }
2592
2593 if (cfg->cmd_data.run.retry_duration_us > 0) {
2594 BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
2595 "time-us=%" PRIu64,
2596 cfg->cmd_data.run.retry_duration_us);
2597
2598 if (usleep(cfg->cmd_data.run.retry_duration_us)) {
2599 if (bt_graph_is_canceled(ctx.graph)) {
2600 BT_LOGI_STR("Graph was canceled by user.");
2601 goto error;
2602 }
2603 }
2604 }
2605 break;
2606 case BT_COMPONENT_STATUS_END:
2607 goto end;
2608 default:
2609 BT_LOGE_STR("Graph failed to complete successfully");
2610 fprintf(stderr, "Graph failed to complete successfully\n");
2611 goto error;
2612 }
2613 }
2614
2615 goto end;
2616
2617 error:
2618 if (ret == 0) {
2619 ret = -1;
2620 }
2621
2622 end:
2623 cmd_run_ctx_destroy(&ctx);
2624 return ret;
2625 }
2626
2627 static
2628 void warn_command_name_and_directory_clash(struct bt_config *cfg)
2629 {
2630 const char *env_clash;
2631
2632 if (!cfg->command_name) {
2633 return;
2634 }
2635
2636 env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH);
2637 if (env_clash && strcmp(env_clash, "0") == 0) {
2638 return;
2639 }
2640
2641 if (g_file_test(cfg->command_name,
2642 G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
2643 fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
2644 cfg->command_name);
2645 fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
2646 cfg->command_name);
2647 fprintf(stderr, "\n");
2648 fprintf(stderr, " babeltrace convert %s [OPTIONS]\n",
2649 cfg->command_name);
2650 }
2651 }
2652
2653 static
2654 void init_log_level(void)
2655 {
2656 bt_cli_log_level = bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL);
2657 }
2658
2659 static
2660 void set_auto_log_levels(struct bt_config *cfg)
2661 {
2662 const char **env_var_name;
2663
2664 /*
2665 * Override the configuration's default log level if
2666 * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
2667 * are found for backward compatibility with legacy Babetrace 1.
2668 */
2669 if (getenv("BABELTRACE_DEBUG") &&
2670 strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
2671 cfg->log_level = 'V';
2672 } else if (getenv("BABELTRACE_VERBOSE") &&
2673 strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
2674 cfg->log_level = 'I';
2675 }
2676
2677 /*
2678 * Set log levels according to --debug or --verbose. For
2679 * backward compatibility, --debug is more verbose than
2680 * --verbose. So:
2681 *
2682 * --verbose: INFO log level
2683 * --debug: VERBOSE log level (includes DEBUG, which is
2684 * is less verbose than VERBOSE in the internal
2685 * logging framework)
2686 */
2687 if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
2688 if (cfg->verbose) {
2689 bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
2690 } else if (cfg->debug) {
2691 bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
2692 } else {
2693 /*
2694 * Set library's default log level if not
2695 * explicitly specified.
2696 */
2697 switch (cfg->log_level) {
2698 case 'N':
2699 bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE);
2700 break;
2701 case 'V':
2702 bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
2703 break;
2704 case 'D':
2705 bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
2706 break;
2707 case 'I':
2708 bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
2709 break;
2710 case 'W':
2711 bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN);
2712 break;
2713 case 'E':
2714 bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR);
2715 break;
2716 case 'F':
2717 bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL);
2718 break;
2719 default:
2720 abort();
2721 }
2722 }
2723 }
2724
2725 if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL)) {
2726 if (cfg->verbose) {
2727 bt_cli_log_level = BT_LOG_INFO;
2728 } else if (cfg->debug) {
2729 bt_cli_log_level = BT_LOG_VERBOSE;
2730 } else {
2731 /*
2732 * Set CLI's default log level if not explicitly
2733 * specified.
2734 */
2735 switch (cfg->log_level) {
2736 case 'N':
2737 bt_cli_log_level = BT_LOG_NONE;
2738 break;
2739 case 'V':
2740 bt_cli_log_level = BT_LOG_VERBOSE;
2741 break;
2742 case 'D':
2743 bt_cli_log_level = BT_LOG_DEBUG;
2744 break;
2745 case 'I':
2746 bt_cli_log_level = BT_LOG_INFO;
2747 break;
2748 case 'W':
2749 bt_cli_log_level = BT_LOG_WARN;
2750 break;
2751 case 'E':
2752 bt_cli_log_level = BT_LOG_ERROR;
2753 break;
2754 case 'F':
2755 bt_cli_log_level = BT_LOG_FATAL;
2756 break;
2757 default:
2758 abort();
2759 }
2760 }
2761 }
2762
2763 env_var_name = log_level_env_var_names;
2764
2765 while (*env_var_name) {
2766 if (!getenv(*env_var_name)) {
2767 if (cfg->verbose) {
2768 g_setenv(*env_var_name, "I", 1);
2769 } else if (cfg->debug) {
2770 g_setenv(*env_var_name, "V", 1);
2771 } else {
2772 char val[2] = { 0 };
2773
2774 /*
2775 * Set module's default log level if not
2776 * explicitly specified.
2777 */
2778 val[0] = cfg->log_level;
2779 g_setenv(*env_var_name, val, 1);
2780 }
2781 }
2782
2783 env_var_name++;
2784 }
2785 }
2786
2787 int main(int argc, const char **argv)
2788 {
2789 int ret;
2790 int retcode;
2791 struct bt_config *cfg;
2792
2793 init_log_level();
2794 set_signal_handler();
2795 init_static_data();
2796 cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
2797
2798 if (retcode < 0) {
2799 /* Quit without errors; typically usage/version */
2800 retcode = 0;
2801 BT_LOGI_STR("Quitting without errors.");
2802 goto end;
2803 }
2804
2805 if (retcode > 0) {
2806 BT_LOGE("Command-line error: retcode=%d", retcode);
2807 goto end;
2808 }
2809
2810 if (!cfg) {
2811 BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
2812 fprintf(stderr, "Failed to create Babeltrace configuration\n");
2813 retcode = 1;
2814 goto end;
2815 }
2816
2817 set_auto_log_levels(cfg);
2818 print_cfg(cfg);
2819
2820 if (cfg->command_needs_plugins) {
2821 ret = load_all_plugins(cfg->plugin_paths);
2822 if (ret) {
2823 BT_LOGE("Failed to load plugins: ret=%d", ret);
2824 retcode = 1;
2825 goto end;
2826 }
2827 }
2828
2829 BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
2830 cfg->command, cfg->command_name);
2831
2832 switch (cfg->command) {
2833 case BT_CONFIG_COMMAND_RUN:
2834 ret = cmd_run(cfg);
2835 break;
2836 case BT_CONFIG_COMMAND_LIST_PLUGINS:
2837 ret = cmd_list_plugins(cfg);
2838 break;
2839 case BT_CONFIG_COMMAND_HELP:
2840 ret = cmd_help(cfg);
2841 break;
2842 case BT_CONFIG_COMMAND_QUERY:
2843 ret = cmd_query(cfg);
2844 break;
2845 case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
2846 ret = cmd_print_ctf_metadata(cfg);
2847 break;
2848 case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
2849 ret = cmd_print_lttng_live_sessions(cfg);
2850 break;
2851 default:
2852 BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
2853 abort();
2854 }
2855
2856 BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
2857 cfg->command, cfg->command_name, ret);
2858 warn_command_name_and_directory_clash(cfg);
2859 retcode = ret ? 1 : 0;
2860
2861 end:
2862 BT_PUT(cfg);
2863 fini_static_data();
2864 return retcode;
2865 }
BabelTrace - Trace Format Babel Tower
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