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d70e4b9ebca06c6468cdc1d6e15c38d021d659f5
[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_COMPAT_LOG_LEVEL",
59 "BABELTRACE_PLUGIN_CTF_BTR_LOG_LEVEL",
60 "BABELTRACE_PLUGIN_CTF_FS_SINK_LOG_LEVEL",
61 "BABELTRACE_PLUGIN_CTF_FS_SRC_LOG_LEVEL",
62 "BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_SRC_LOG_LEVEL",
63 "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
64 "BABELTRACE_PLUGIN_CTF_NOTIF_ITER_LOG_LEVEL",
65 "BABELTRACE_PLUGIN_CTFCOPYTRACE_LIB_LOG_LEVEL",
66 "BABELTRACE_PLUGIN_LTTNG_UTILS_DEBUG_INFO_FLT_LOG_LEVEL",
67 "BABELTRACE_PLUGIN_TEXT_DMESG_SRC_LOG_LEVEL",
68 "BABELTRACE_PLUGIN_TEXT_PRETTY_SINK_LOG_LEVEL",
69 "BABELTRACE_PLUGIN_UTILS_MUXER_FLT_LOG_LEVEL",
70 "BABELTRACE_PLUGIN_UTILS_TRIMMER_FLT_LOG_LEVEL",
71 "BABELTRACE_PYTHON_BT2_LOG_LEVEL",
72 "BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL",
73 NULL,
74 };
75
76 /* Application's processing graph (weak) */
77 static struct bt_graph *the_graph;
78 static struct bt_query_executor *the_query_executor;
79 static bool canceled = false;
80
81 GPtrArray *loaded_plugins;
82
83 #ifdef __MINGW32__
84 #include <windows.h>
85
86 static
87 BOOL WINAPI signal_handler(DWORD signal) {
88 if (the_graph) {
89 bt_graph_cancel(the_graph);
90 }
91
92 canceled = true;
93
94 return TRUE;
95 }
96
97 static
98 void set_signal_handler(void)
99 {
100 if (!SetConsoleCtrlHandler(signal_handler, TRUE)) {
101 BT_LOGE("Failed to set the ctrl+c handler.");
102 }
103 }
104 #else /* __MINGW32__ */
105 static
106 void signal_handler(int signum)
107 {
108 if (signum != SIGINT) {
109 return;
110 }
111
112 if (the_graph) {
113 bt_graph_cancel(the_graph);
114 }
115
116 if (the_query_executor) {
117 bt_query_executor_cancel(the_query_executor);
118 }
119
120 canceled = true;
121 }
122
123 static
124 void set_signal_handler(void)
125 {
126 struct sigaction new_action, old_action;
127
128 new_action.sa_handler = signal_handler;
129 sigemptyset(&new_action.sa_mask);
130 new_action.sa_flags = 0;
131 sigaction(SIGINT, NULL, &old_action);
132
133 if (old_action.sa_handler != SIG_IGN) {
134 sigaction(SIGINT, &new_action, NULL);
135 }
136 }
137 #endif /* __MINGW32__ */
138
139 static
140 void init_static_data(void)
141 {
142 loaded_plugins = g_ptr_array_new_with_free_func(bt_put);
143 }
144
145 static
146 void fini_static_data(void)
147 {
148 g_ptr_array_free(loaded_plugins, TRUE);
149 }
150
151 static
152 int create_the_query_executor(void)
153 {
154 int ret = 0;
155
156 the_query_executor = bt_query_executor_create();
157 if (!the_query_executor) {
158 BT_LOGE_STR("Cannot create a query executor.");
159 ret = -1;
160 }
161
162 return ret;
163 }
164
165 static
166 void destroy_the_query_executor(void)
167 {
168 BT_PUT(the_query_executor);
169 }
170
171 static
172 int query(struct bt_component_class *comp_cls, const char *obj,
173 struct bt_value *params, struct bt_value **user_result,
174 const char **fail_reason)
175 {
176 struct bt_value *result = NULL;
177 enum bt_query_status status;
178 *fail_reason = "unknown error";
179 int ret = 0;
180
181 assert(fail_reason);
182 assert(user_result);
183 ret = create_the_query_executor();
184 if (ret) {
185 /* create_the_query_executor() logs errors */
186 goto end;
187 }
188
189 if (canceled) {
190 BT_LOGI("Canceled by user before executing the query: "
191 "comp-cls-addr=%p, comp-cls-name=\"%s\", "
192 "query-obj=\"%s\"", comp_cls,
193 bt_component_class_get_name(comp_cls), obj);
194 *fail_reason = "canceled by user";
195 goto error;
196 }
197
198 while (true) {
199 status = bt_query_executor_query(the_query_executor, comp_cls,
200 obj, params, &result);
201 switch (status) {
202 case BT_QUERY_STATUS_OK:
203 goto ok;
204 case BT_QUERY_STATUS_AGAIN:
205 {
206 const uint64_t sleep_time_us = 100000;
207
208 /* Wait 100 ms and retry */
209 BT_LOGV("Got BT_QUERY_STATUS_AGAIN: sleeping: "
210 "time-us=%" PRIu64, sleep_time_us);
211
212 if (usleep(sleep_time_us)) {
213 if (bt_query_executor_is_canceled(the_query_executor)) {
214 BT_LOGI("Query was canceled by user: "
215 "comp-cls-addr=%p, comp-cls-name=\"%s\", "
216 "query-obj=\"%s\"", comp_cls,
217 bt_component_class_get_name(comp_cls),
218 obj);
219 *fail_reason = "canceled by user";
220 goto error;
221 }
222 }
223
224 continue;
225 }
226 case BT_QUERY_STATUS_EXECUTOR_CANCELED:
227 *fail_reason = "canceled by user";
228 goto error;
229 case BT_QUERY_STATUS_ERROR:
230 case BT_QUERY_STATUS_INVALID:
231 goto error;
232 case BT_QUERY_STATUS_INVALID_OBJECT:
233 *fail_reason = "invalid or unknown query object";
234 goto error;
235 case BT_QUERY_STATUS_INVALID_PARAMS:
236 *fail_reason = "invalid query parameters";
237 goto error;
238 case BT_QUERY_STATUS_NOMEM:
239 *fail_reason = "not enough memory";
240 goto error;
241 default:
242 BT_LOGF("Unknown query status: status=%d", status);
243 abort();
244 }
245 }
246
247 ok:
248 *user_result = result;
249 result = NULL;
250 goto end;
251
252 error:
253 ret = -1;
254
255 end:
256 destroy_the_query_executor();
257 bt_put(result);
258 return ret;
259 }
260
261 static
262 struct bt_plugin *find_plugin(const char *name)
263 {
264 int i;
265 struct bt_plugin *plugin = NULL;
266
267 assert(name);
268 BT_LOGD("Finding plugin: name=\"%s\"", name);
269
270 for (i = 0; i < loaded_plugins->len; i++) {
271 plugin = g_ptr_array_index(loaded_plugins, i);
272
273 if (strcmp(name, bt_plugin_get_name(plugin)) == 0) {
274 break;
275 }
276
277 plugin = NULL;
278 }
279
280 if (BT_LOG_ON_DEBUG) {
281 if (plugin) {
282 BT_LOGD("Found plugin: plugin-addr=%p", plugin);
283 } else {
284 BT_LOGD("Cannot find plugin.");
285 }
286 }
287
288 return bt_get(plugin);
289 }
290
291 static
292 struct bt_component_class *find_component_class(const char *plugin_name,
293 const char *comp_class_name,
294 enum bt_component_class_type comp_class_type)
295 {
296 struct bt_component_class *comp_class = NULL;
297 struct bt_plugin *plugin;
298
299 BT_LOGD("Finding component class: plugin-name=\"%s\", "
300 "comp-cls-name=\"%s\", comp-cls-type=%d",
301 plugin_name, comp_class_name, comp_class_type);
302
303 plugin = find_plugin(plugin_name);
304
305 if (!plugin) {
306 goto end;
307 }
308
309 comp_class = bt_plugin_get_component_class_by_name_and_type(plugin,
310 comp_class_name, comp_class_type);
311 BT_PUT(plugin);
312
313 end:
314 if (BT_LOG_ON_DEBUG) {
315 if (comp_class) {
316 BT_LOGD("Found component class: comp-cls-addr=%p",
317 comp_class);
318 } else {
319 BT_LOGD("Cannot find component class.");
320 }
321 }
322
323 return comp_class;
324 }
325
326 static
327 void print_indent(FILE *fp, size_t indent)
328 {
329 size_t i;
330
331 for (i = 0; i < indent; i++) {
332 fprintf(fp, " ");
333 }
334 }
335
336 static
337 const char *component_type_str(enum bt_component_class_type type)
338 {
339 switch (type) {
340 case BT_COMPONENT_CLASS_TYPE_SOURCE:
341 return "source";
342 case BT_COMPONENT_CLASS_TYPE_SINK:
343 return "sink";
344 case BT_COMPONENT_CLASS_TYPE_FILTER:
345 return "filter";
346 case BT_COMPONENT_CLASS_TYPE_UNKNOWN:
347 default:
348 return "(unknown)";
349 }
350 }
351
352 static
353 void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name,
354 const char *comp_cls_name, enum bt_component_class_type type)
355 {
356 GString *shell_plugin_name = NULL;
357 GString *shell_comp_cls_name = NULL;
358
359 shell_plugin_name = bt_common_shell_quote(plugin_name, false);
360 if (!shell_plugin_name) {
361 goto end;
362 }
363
364 shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false);
365 if (!shell_comp_cls_name) {
366 goto end;
367 }
368
369 fprintf(fh, "'%s%s%s%s.%s%s%s.%s%s%s'",
370 bt_common_color_bold(),
371 bt_common_color_fg_cyan(),
372 component_type_str(type),
373 bt_common_color_fg_default(),
374 bt_common_color_fg_blue(),
375 shell_plugin_name->str,
376 bt_common_color_fg_default(),
377 bt_common_color_fg_yellow(),
378 shell_comp_cls_name->str,
379 bt_common_color_reset());
380
381 end:
382 if (shell_plugin_name) {
383 g_string_free(shell_plugin_name, TRUE);
384 }
385
386 if (shell_comp_cls_name) {
387 g_string_free(shell_comp_cls_name, TRUE);
388 }
389 }
390
391 static
392 void print_value(FILE *, struct bt_value *, size_t);
393
394 static
395 void print_value_rec(FILE *, struct bt_value *, size_t);
396
397 struct print_map_value_data {
398 size_t indent;
399 FILE *fp;
400 };
401
402 static
403 bt_bool print_map_value(const char *key, struct bt_value *object, void *data)
404 {
405 struct print_map_value_data *print_map_value_data = data;
406
407 print_indent(print_map_value_data->fp, print_map_value_data->indent);
408 fprintf(print_map_value_data->fp, "%s: ", key);
409
410 if (bt_value_is_array(object) &&
411 bt_value_array_is_empty(object)) {
412 fprintf(print_map_value_data->fp, "[ ]\n");
413 return true;
414 }
415
416 if (bt_value_is_map(object) &&
417 bt_value_map_is_empty(object)) {
418 fprintf(print_map_value_data->fp, "{ }\n");
419 return true;
420 }
421
422 if (bt_value_is_array(object) ||
423 bt_value_is_map(object)) {
424 fprintf(print_map_value_data->fp, "\n");
425 }
426
427 print_value_rec(print_map_value_data->fp, object,
428 print_map_value_data->indent + 2);
429 return BT_TRUE;
430 }
431
432 static
433 void print_value_rec(FILE *fp, struct bt_value *value, size_t indent)
434 {
435 bt_bool bool_val;
436 int64_t int_val;
437 double dbl_val;
438 const char *str_val;
439 int size;
440 int i;
441 enum bt_value_status status;
442
443 if (!value) {
444 return;
445 }
446
447 switch (bt_value_get_type(value)) {
448 case BT_VALUE_TYPE_NULL:
449 fprintf(fp, "%snull%s\n", bt_common_color_bold(),
450 bt_common_color_reset());
451 break;
452 case BT_VALUE_TYPE_BOOL:
453 status = bt_value_bool_get(value, &bool_val);
454 if (status != BT_VALUE_STATUS_OK) {
455 goto error;
456 }
457 fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
458 bt_common_color_fg_cyan(), bool_val ? "yes" : "no",
459 bt_common_color_reset());
460 break;
461 case BT_VALUE_TYPE_INTEGER:
462 status = bt_value_integer_get(value, &int_val);
463 if (status != BT_VALUE_STATUS_OK) {
464 goto error;
465 }
466 fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(),
467 bt_common_color_fg_red(), int_val,
468 bt_common_color_reset());
469 break;
470 case BT_VALUE_TYPE_FLOAT:
471 status = bt_value_float_get(value, &dbl_val);
472 if (status != BT_VALUE_STATUS_OK) {
473 goto error;
474 }
475 fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(),
476 bt_common_color_fg_red(), dbl_val,
477 bt_common_color_reset());
478 break;
479 case BT_VALUE_TYPE_STRING:
480 status = bt_value_string_get(value, &str_val);
481 if (status != BT_VALUE_STATUS_OK) {
482 goto error;
483 }
484 fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(),
485 bt_common_color_fg_green(), str_val,
486 bt_common_color_reset());
487 break;
488 case BT_VALUE_TYPE_ARRAY:
489 size = bt_value_array_size(value);
490 if (size < 0) {
491 goto error;
492 }
493
494 if (size == 0) {
495 print_indent(fp, indent);
496 fprintf(fp, "[ ]\n");
497 break;
498 }
499
500 for (i = 0; i < size; i++) {
501 struct bt_value *element =
502 bt_value_array_get(value, i);
503
504 if (!element) {
505 goto error;
506 }
507 print_indent(fp, indent);
508 fprintf(fp, "- ");
509
510 if (bt_value_is_array(element) &&
511 bt_value_array_is_empty(element)) {
512 fprintf(fp, "[ ]\n");
513 continue;
514 }
515
516 if (bt_value_is_map(element) &&
517 bt_value_map_is_empty(element)) {
518 fprintf(fp, "{ }\n");
519 continue;
520 }
521
522 if (bt_value_is_array(element) ||
523 bt_value_is_map(element)) {
524 fprintf(fp, "\n");
525 }
526
527 print_value_rec(fp, element, indent + 2);
528 BT_PUT(element);
529 }
530 break;
531 case BT_VALUE_TYPE_MAP:
532 {
533 struct print_map_value_data data = {
534 .indent = indent,
535 .fp = fp,
536 };
537
538 if (bt_value_map_is_empty(value)) {
539 print_indent(fp, indent);
540 fprintf(fp, "{ }\n");
541 break;
542 }
543
544 bt_value_map_foreach(value, print_map_value, &data);
545 break;
546 }
547 default:
548 abort();
549 }
550 return;
551
552 error:
553 BT_LOGE("Error printing value of type %s.",
554 bt_value_type_string(bt_value_get_type(value)));
555 }
556
557 static
558 void print_value(FILE *fp, struct bt_value *value, size_t indent)
559 {
560 if (!bt_value_is_array(value) && !bt_value_is_map(value)) {
561 print_indent(fp, indent);
562 }
563
564 print_value_rec(fp, value, indent);
565 }
566
567 static
568 void print_bt_config_component(struct bt_config_component *bt_config_component)
569 {
570 fprintf(stderr, " ");
571 print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str,
572 bt_config_component->comp_cls_name->str,
573 bt_config_component->type);
574 fprintf(stderr, ":\n");
575
576 if (bt_config_component->instance_name->len > 0) {
577 fprintf(stderr, " Name: %s\n",
578 bt_config_component->instance_name->str);
579 }
580
581 fprintf(stderr, " Parameters:\n");
582 print_value(stderr, bt_config_component->params, 8);
583 }
584
585 static
586 void print_bt_config_components(GPtrArray *array)
587 {
588 size_t i;
589
590 for (i = 0; i < array->len; i++) {
591 struct bt_config_component *cfg_component =
592 bt_config_get_component(array, i);
593 print_bt_config_component(cfg_component);
594 BT_PUT(cfg_component);
595 }
596 }
597
598 static
599 void print_plugin_paths(struct bt_value *plugin_paths)
600 {
601 fprintf(stderr, " Plugin paths:\n");
602 print_value(stderr, plugin_paths, 4);
603 }
604
605 static
606 void print_cfg_run(struct bt_config *cfg)
607 {
608 size_t i;
609
610 print_plugin_paths(cfg->plugin_paths);
611 fprintf(stderr, " Source component instances:\n");
612 print_bt_config_components(cfg->cmd_data.run.sources);
613
614 if (cfg->cmd_data.run.filters->len > 0) {
615 fprintf(stderr, " Filter component instances:\n");
616 print_bt_config_components(cfg->cmd_data.run.filters);
617 }
618
619 fprintf(stderr, " Sink component instances:\n");
620 print_bt_config_components(cfg->cmd_data.run.sinks);
621 fprintf(stderr, " Connections:\n");
622
623 for (i = 0; i < cfg->cmd_data.run.connections->len; i++) {
624 struct bt_config_connection *cfg_connection =
625 g_ptr_array_index(cfg->cmd_data.run.connections,
626 i);
627
628 fprintf(stderr, " %s%s%s -> %s%s%s\n",
629 cfg_connection->upstream_comp_name->str,
630 cfg_connection->upstream_port_glob->len > 0 ? "." : "",
631 cfg_connection->upstream_port_glob->str,
632 cfg_connection->downstream_comp_name->str,
633 cfg_connection->downstream_port_glob->len > 0 ? "." : "",
634 cfg_connection->downstream_port_glob->str);
635 }
636 }
637
638 static
639 void print_cfg_list_plugins(struct bt_config *cfg)
640 {
641 print_plugin_paths(cfg->plugin_paths);
642 }
643
644 static
645 void print_cfg_help(struct bt_config *cfg)
646 {
647 print_plugin_paths(cfg->plugin_paths);
648 }
649
650 static
651 void print_cfg_print_ctf_metadata(struct bt_config *cfg)
652 {
653 print_plugin_paths(cfg->plugin_paths);
654 fprintf(stderr, " Path: %s\n",
655 cfg->cmd_data.print_ctf_metadata.path->str);
656 }
657
658 static
659 void print_cfg_print_lttng_live_sessions(struct bt_config *cfg)
660 {
661 print_plugin_paths(cfg->plugin_paths);
662 fprintf(stderr, " URL: %s\n",
663 cfg->cmd_data.print_lttng_live_sessions.url->str);
664 }
665
666 static
667 void print_cfg_query(struct bt_config *cfg)
668 {
669 print_plugin_paths(cfg->plugin_paths);
670 fprintf(stderr, " Object: `%s`\n", cfg->cmd_data.query.object->str);
671 fprintf(stderr, " Component class:\n");
672 print_bt_config_component(cfg->cmd_data.query.cfg_component);
673 }
674
675 static
676 void print_cfg(struct bt_config *cfg)
677 {
678 if (!BT_LOG_ON_INFO) {
679 return;
680 }
681
682 BT_LOGI_STR("Configuration:");
683 fprintf(stderr, " Debug mode: %s\n", cfg->debug ? "yes" : "no");
684 fprintf(stderr, " Verbose mode: %s\n", cfg->verbose ? "yes" : "no");
685
686 switch (cfg->command) {
687 case BT_CONFIG_COMMAND_RUN:
688 print_cfg_run(cfg);
689 break;
690 case BT_CONFIG_COMMAND_LIST_PLUGINS:
691 print_cfg_list_plugins(cfg);
692 break;
693 case BT_CONFIG_COMMAND_HELP:
694 print_cfg_help(cfg);
695 break;
696 case BT_CONFIG_COMMAND_QUERY:
697 print_cfg_query(cfg);
698 break;
699 case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
700 print_cfg_print_ctf_metadata(cfg);
701 break;
702 case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
703 print_cfg_print_lttng_live_sessions(cfg);
704 break;
705 default:
706 abort();
707 }
708 }
709
710 static
711 void add_to_loaded_plugins(struct bt_plugin_set *plugin_set)
712 {
713 int64_t i;
714 int64_t count;
715
716 count = bt_plugin_set_get_plugin_count(plugin_set);
717 assert(count >= 0);
718
719 for (i = 0; i < count; i++) {
720 struct bt_plugin *plugin =
721 bt_plugin_set_get_plugin(plugin_set, i);
722 struct bt_plugin *loaded_plugin =
723 find_plugin(bt_plugin_get_name(plugin));
724
725 assert(plugin);
726
727 if (loaded_plugin) {
728 BT_LOGI("Not using plugin: another one already exists with the same name: "
729 "plugin-name=\"%s\", plugin-path=\"%s\", "
730 "existing-plugin-path=\"%s\"",
731 bt_plugin_get_name(plugin),
732 bt_plugin_get_path(plugin),
733 bt_plugin_get_path(loaded_plugin));
734 bt_put(loaded_plugin);
735 } else {
736 /* Add to global array. */
737 BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
738 bt_plugin_get_name(plugin));
739 g_ptr_array_add(loaded_plugins, bt_get(plugin));
740 }
741
742 bt_put(plugin);
743 }
744 }
745
746 static
747 int load_dynamic_plugins(struct bt_value *plugin_paths)
748 {
749 int nr_paths, i, ret = 0;
750
751 nr_paths = bt_value_array_size(plugin_paths);
752 if (nr_paths < 0) {
753 BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
754 ret = -1;
755 goto end;
756 }
757
758 BT_LOGI("Loading dynamic plugins.");
759
760 for (i = 0; i < nr_paths; i++) {
761 struct bt_value *plugin_path_value = NULL;
762 const char *plugin_path;
763 struct bt_plugin_set *plugin_set;
764 enum bt_value_status status;
765
766 plugin_path_value = bt_value_array_get(plugin_paths, i);
767 status = bt_value_string_get(plugin_path_value, &plugin_path);
768 if (status != BT_VALUE_STATUS_OK) {
769 BT_LOGD_STR("Cannot get plugin path string.");
770 BT_PUT(plugin_path_value);
771 continue;
772 }
773
774 /*
775 * Skip this if the directory does not exist because
776 * bt_plugin_create_all_from_dir() expects an existing
777 * directory.
778 */
779 if (!g_file_test(plugin_path, G_FILE_TEST_IS_DIR)) {
780 BT_LOGV("Skipping nonexistent directory path: "
781 "path=\"%s\"", plugin_path);
782 BT_PUT(plugin_path_value);
783 continue;
784 }
785
786 plugin_set = bt_plugin_create_all_from_dir(plugin_path, false);
787 if (!plugin_set) {
788 BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
789 plugin_path);
790 BT_PUT(plugin_path_value);
791 continue;
792 }
793
794 add_to_loaded_plugins(plugin_set);
795 bt_put(plugin_set);
796 BT_PUT(plugin_path_value);
797 }
798 end:
799 return ret;
800 }
801
802 static
803 int load_static_plugins(void)
804 {
805 int ret = 0;
806 struct bt_plugin_set *plugin_set;
807
808 BT_LOGI("Loading static plugins.");
809 plugin_set = bt_plugin_create_all_from_static();
810 if (!plugin_set) {
811 BT_LOGE("Unable to load static plugins.");
812 ret = -1;
813 goto end;
814 }
815
816 add_to_loaded_plugins(plugin_set);
817 bt_put(plugin_set);
818 end:
819 return ret;
820 }
821
822 static
823 int load_all_plugins(struct bt_value *plugin_paths)
824 {
825 int ret = 0;
826
827 if (load_dynamic_plugins(plugin_paths)) {
828 ret = -1;
829 goto end;
830 }
831
832 if (load_static_plugins()) {
833 ret = -1;
834 goto end;
835 }
836
837 BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len);
838
839 end:
840 return ret;
841 }
842
843 static
844 void print_plugin_info(struct bt_plugin *plugin)
845 {
846 unsigned int major, minor, patch;
847 const char *extra;
848 enum bt_plugin_status version_status;
849 const char *plugin_name;
850 const char *path;
851 const char *author;
852 const char *license;
853 const char *plugin_description;
854
855 plugin_name = bt_plugin_get_name(plugin);
856 path = bt_plugin_get_path(plugin);
857 author = bt_plugin_get_author(plugin);
858 license = bt_plugin_get_license(plugin);
859 plugin_description = bt_plugin_get_description(plugin);
860 version_status = bt_plugin_get_version(plugin, &major, &minor,
861 &patch, &extra);
862 printf("%s%s%s%s:\n", bt_common_color_bold(),
863 bt_common_color_fg_blue(), plugin_name,
864 bt_common_color_reset());
865 if (path) {
866 printf(" %sPath%s: %s\n", bt_common_color_bold(),
867 bt_common_color_reset(), path);
868 } else {
869 puts(" Built-in");
870 }
871
872 if (version_status == BT_PLUGIN_STATUS_OK) {
873 printf(" %sVersion%s: %u.%u.%u",
874 bt_common_color_bold(), bt_common_color_reset(),
875 major, minor, patch);
876
877 if (extra) {
878 printf("%s", extra);
879 }
880
881 printf("\n");
882 }
883
884 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
885 bt_common_color_reset(),
886 plugin_description ? plugin_description : "(None)");
887 printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
888 bt_common_color_reset(), author ? author : "(Unknown)");
889 printf(" %sLicense%s: %s\n", bt_common_color_bold(),
890 bt_common_color_reset(),
891 license ? license : "(Unknown)");
892 }
893
894 static
895 int cmd_query(struct bt_config *cfg)
896 {
897 int ret = 0;
898 struct bt_component_class *comp_cls = NULL;
899 struct bt_value *results = NULL;
900 const char *fail_reason = NULL;
901
902 comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str,
903 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
904 cfg->cmd_data.query.cfg_component->type);
905 if (!comp_cls) {
906 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
907 "comp-cls-name=\"%s\", comp-cls-type=%d",
908 cfg->cmd_data.query.cfg_component->plugin_name->str,
909 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
910 cfg->cmd_data.query.cfg_component->type);
911 fprintf(stderr, "%s%sCannot find component class %s",
912 bt_common_color_bold(),
913 bt_common_color_fg_red(),
914 bt_common_color_reset());
915 print_plugin_comp_cls_opt(stderr,
916 cfg->cmd_data.query.cfg_component->plugin_name->str,
917 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
918 cfg->cmd_data.query.cfg_component->type);
919 fprintf(stderr, "\n");
920 ret = -1;
921 goto end;
922 }
923
924 ret = query(comp_cls, cfg->cmd_data.query.object->str,
925 cfg->cmd_data.query.cfg_component->params, &results,
926 &fail_reason);
927 if (ret) {
928 goto failed;
929 }
930
931 print_value(stdout, results, 0);
932 goto end;
933
934 failed:
935 BT_LOGE("Failed to query component class: %s: plugin-name=\"%s\", "
936 "comp-cls-name=\"%s\", comp-cls-type=%d "
937 "object=\"%s\"", fail_reason,
938 cfg->cmd_data.query.cfg_component->plugin_name->str,
939 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
940 cfg->cmd_data.query.cfg_component->type,
941 cfg->cmd_data.query.object->str);
942 fprintf(stderr, "%s%sFailed to query info to %s",
943 bt_common_color_bold(),
944 bt_common_color_fg_red(),
945 bt_common_color_reset());
946 print_plugin_comp_cls_opt(stderr,
947 cfg->cmd_data.query.cfg_component->plugin_name->str,
948 cfg->cmd_data.query.cfg_component->comp_cls_name->str,
949 cfg->cmd_data.query.cfg_component->type);
950 fprintf(stderr, "%s%s with object `%s`: %s%s\n",
951 bt_common_color_bold(),
952 bt_common_color_fg_red(),
953 cfg->cmd_data.query.object->str,
954 fail_reason,
955 bt_common_color_reset());
956 ret = -1;
957
958 end:
959 bt_put(comp_cls);
960 bt_put(results);
961 return ret;
962 }
963
964 static
965 int cmd_help(struct bt_config *cfg)
966 {
967 int ret = 0;
968 struct bt_plugin *plugin = NULL;
969 size_t i;
970
971 plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str);
972 if (!plugin) {
973 BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
974 cfg->cmd_data.help.cfg_component->plugin_name->str);
975 fprintf(stderr, "%s%sCannot find plugin %s%s%s\n",
976 bt_common_color_bold(), bt_common_color_fg_red(),
977 bt_common_color_fg_blue(),
978 cfg->cmd_data.help.cfg_component->plugin_name->str,
979 bt_common_color_reset());
980 ret = -1;
981 goto end;
982 }
983
984 print_plugin_info(plugin);
985 printf(" %sComponent classes%s: %d\n",
986 bt_common_color_bold(),
987 bt_common_color_reset(),
988 (int) bt_plugin_get_component_class_count(plugin));
989
990
991 if (cfg->cmd_data.help.cfg_component->type !=
992 BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
993 struct bt_component_class *needed_comp_cls =
994 find_component_class(
995 cfg->cmd_data.help.cfg_component->plugin_name->str,
996 cfg->cmd_data.help.cfg_component->comp_cls_name->str,
997 cfg->cmd_data.help.cfg_component->type);
998
999 if (!needed_comp_cls) {
1000 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
1001 "comp-cls-name=\"%s\", comp-cls-type=%d",
1002 cfg->cmd_data.help.cfg_component->plugin_name->str,
1003 cfg->cmd_data.help.cfg_component->comp_cls_name->str,
1004 cfg->cmd_data.help.cfg_component->type);
1005 fprintf(stderr, "\n%s%sCannot find component class %s",
1006 bt_common_color_bold(),
1007 bt_common_color_fg_red(),
1008 bt_common_color_reset());
1009 print_plugin_comp_cls_opt(stderr,
1010 cfg->cmd_data.help.cfg_component->plugin_name->str,
1011 cfg->cmd_data.help.cfg_component->comp_cls_name->str,
1012 cfg->cmd_data.help.cfg_component->type);
1013 fprintf(stderr, "\n");
1014 ret = -1;
1015 goto end;
1016 }
1017
1018 bt_put(needed_comp_cls);
1019 }
1020
1021 for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) {
1022 struct bt_component_class *comp_cls =
1023 bt_plugin_get_component_class_by_index(plugin, i);
1024 const char *comp_class_name =
1025 bt_component_class_get_name(comp_cls);
1026 const char *comp_class_description =
1027 bt_component_class_get_description(comp_cls);
1028 const char *comp_class_help =
1029 bt_component_class_get_help(comp_cls);
1030 enum bt_component_class_type type =
1031 bt_component_class_get_type(comp_cls);
1032
1033 assert(comp_cls);
1034
1035 if (cfg->cmd_data.help.cfg_component->type !=
1036 BT_COMPONENT_CLASS_TYPE_UNKNOWN) {
1037 if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str,
1038 comp_class_name) != 0 ||
1039 type != cfg->cmd_data.help.cfg_component->type) {
1040 bt_put(comp_cls);
1041 continue;
1042 }
1043 }
1044
1045 printf("\n");
1046 print_plugin_comp_cls_opt(stdout,
1047 cfg->cmd_data.help.cfg_component->plugin_name->str,
1048 comp_class_name,
1049 type);
1050 printf("\n");
1051 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
1052 bt_common_color_reset(),
1053 comp_class_description ? comp_class_description : "(None)");
1054
1055 if (comp_class_help) {
1056 printf("\n%s\n", comp_class_help);
1057 }
1058
1059 bt_put(comp_cls);
1060 }
1061
1062 end:
1063 bt_put(plugin);
1064 return ret;
1065 }
1066
1067 static
1068 int cmd_list_plugins(struct bt_config *cfg)
1069 {
1070 int ret = 0;
1071 int plugins_count, component_classes_count = 0, i;
1072
1073 printf("From the following plugin paths:\n\n");
1074 print_value(stdout, cfg->plugin_paths, 2);
1075 printf("\n");
1076 plugins_count = loaded_plugins->len;
1077 if (plugins_count == 0) {
1078 printf("No plugins found.\n");
1079 goto end;
1080 }
1081
1082 for (i = 0; i < plugins_count; i++) {
1083 struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
1084
1085 component_classes_count += bt_plugin_get_component_class_count(plugin);
1086 }
1087
1088 printf("Found %s%d%s component classes in %s%d%s plugins.\n",
1089 bt_common_color_bold(),
1090 component_classes_count,
1091 bt_common_color_reset(),
1092 bt_common_color_bold(),
1093 plugins_count,
1094 bt_common_color_reset());
1095
1096 for (i = 0; i < plugins_count; i++) {
1097 int j;
1098 struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i);
1099
1100 component_classes_count =
1101 bt_plugin_get_component_class_count(plugin);
1102 printf("\n");
1103 print_plugin_info(plugin);
1104
1105 if (component_classes_count == 0) {
1106 printf(" %sComponent classes%s: (none)\n",
1107 bt_common_color_bold(),
1108 bt_common_color_reset());
1109 } else {
1110 printf(" %sComponent classes%s:\n",
1111 bt_common_color_bold(),
1112 bt_common_color_reset());
1113 }
1114
1115 for (j = 0; j < component_classes_count; j++) {
1116 struct bt_component_class *comp_class =
1117 bt_plugin_get_component_class_by_index(
1118 plugin, j);
1119 const char *comp_class_name =
1120 bt_component_class_get_name(comp_class);
1121 const char *comp_class_description =
1122 bt_component_class_get_description(comp_class);
1123 enum bt_component_class_type type =
1124 bt_component_class_get_type(comp_class);
1125
1126 printf(" ");
1127 print_plugin_comp_cls_opt(stdout,
1128 bt_plugin_get_name(plugin), comp_class_name,
1129 type);
1130
1131 if (comp_class_description) {
1132 printf(": %s", comp_class_description);
1133 }
1134
1135 printf("\n");
1136 bt_put(comp_class);
1137 }
1138 }
1139
1140 end:
1141 return ret;
1142 }
1143
1144 static
1145 int cmd_print_lttng_live_sessions(struct bt_config *cfg)
1146 {
1147 int ret = 0;
1148 struct bt_component_class *comp_cls = NULL;
1149 struct bt_value *results = NULL;
1150 struct bt_value *params = NULL;
1151 struct bt_value *map = NULL;
1152 struct bt_value *v = NULL;
1153 static const char * const plugin_name = "ctf";
1154 static const char * const comp_cls_name = "lttng-live";
1155 static const enum bt_component_class_type comp_cls_type =
1156 BT_COMPONENT_CLASS_TYPE_SOURCE;
1157 int64_t array_size, i;
1158 const char *fail_reason = NULL;
1159
1160 assert(cfg->cmd_data.print_lttng_live_sessions.url);
1161 comp_cls = find_component_class(plugin_name, comp_cls_name,
1162 comp_cls_type);
1163 if (!comp_cls) {
1164 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
1165 "comp-cls-name=\"%s\", comp-cls-type=%d",
1166 plugin_name, comp_cls_name,
1167 BT_COMPONENT_CLASS_TYPE_SOURCE);
1168 fprintf(stderr, "%s%sCannot find component class %s",
1169 bt_common_color_bold(),
1170 bt_common_color_fg_red(),
1171 bt_common_color_reset());
1172 print_plugin_comp_cls_opt(stderr, plugin_name,
1173 comp_cls_name, comp_cls_type);
1174 fprintf(stderr, "\n");
1175 goto error;
1176 }
1177
1178 params = bt_value_map_create();
1179 if (!params) {
1180 goto error;
1181 }
1182
1183 ret = bt_value_map_insert_string(params, "url",
1184 cfg->cmd_data.print_lttng_live_sessions.url->str);
1185 if (ret) {
1186 goto error;
1187 }
1188
1189 ret = query(comp_cls, "sessions", params, &results, &fail_reason);
1190 if (ret) {
1191 goto failed;
1192 }
1193
1194 if (!bt_value_is_array(results)) {
1195 BT_LOGE_STR("Expecting an array for sessions query.");
1196 fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
1197 bt_common_color_bold(),
1198 bt_common_color_fg_red(),
1199 bt_common_color_reset());
1200 goto error;
1201 }
1202
1203 array_size = bt_value_array_size(results);
1204 for (i = 0; i < array_size; i++) {
1205 const char *url_text;
1206 int64_t timer_us, streams, clients;
1207
1208 map = bt_value_array_get(results, i);
1209 if (!map) {
1210 BT_LOGE_STR("Unexpected empty array entry.");
1211 goto error;
1212 }
1213 if (!bt_value_is_map(map)) {
1214 BT_LOGE_STR("Unexpected entry type.");
1215 goto error;
1216 }
1217
1218 v = bt_value_map_get(map, "url");
1219 if (!v) {
1220 BT_LOGE_STR("Unexpected empty array \"url\" entry.");
1221 goto error;
1222 }
1223 ret = bt_value_string_get(v, &url_text);
1224 assert(ret == 0);
1225 printf("%s", url_text);
1226 BT_PUT(v);
1227
1228 v = bt_value_map_get(map, "timer-us");
1229 if (!v) {
1230 BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
1231 goto error;
1232 }
1233 ret = bt_value_integer_get(v, &timer_us);
1234 assert(ret == 0);
1235 printf(" (timer = %" PRIu64 ", ", timer_us);
1236 BT_PUT(v);
1237
1238 v = bt_value_map_get(map, "stream-count");
1239 if (!v) {
1240 BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
1241 goto error;
1242 }
1243 ret = bt_value_integer_get(v, &streams);
1244 assert(ret == 0);
1245 printf("%" PRIu64 " stream(s), ", streams);
1246 BT_PUT(v);
1247
1248 v = bt_value_map_get(map, "client-count");
1249 if (!v) {
1250 BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
1251 goto error;
1252 }
1253 ret = bt_value_integer_get(v, &clients);
1254 assert(ret == 0);
1255 printf("%" PRIu64 " client(s) connected)\n", clients);
1256 BT_PUT(v);
1257
1258 BT_PUT(map);
1259 }
1260
1261 goto end;
1262
1263 failed:
1264 BT_LOGE("Failed to query for sessions: %s", fail_reason);
1265 fprintf(stderr, "%s%sFailed to request sessions: %s%s\n",
1266 bt_common_color_bold(),
1267 bt_common_color_fg_red(),
1268 fail_reason,
1269 bt_common_color_reset());
1270
1271 error:
1272 ret = -1;
1273
1274 end:
1275 bt_put(v);
1276 bt_put(map);
1277 bt_put(results);
1278 bt_put(params);
1279 bt_put(comp_cls);
1280 return 0;
1281 }
1282
1283 static
1284 int cmd_print_ctf_metadata(struct bt_config *cfg)
1285 {
1286 int ret = 0;
1287 struct bt_component_class *comp_cls = NULL;
1288 struct bt_value *results = NULL;
1289 struct bt_value *params = NULL;
1290 struct bt_value *metadata_text_value = NULL;
1291 const char *metadata_text = NULL;
1292 static const char * const plugin_name = "ctf";
1293 static const char * const comp_cls_name = "fs";
1294 static const enum bt_component_class_type comp_cls_type =
1295 BT_COMPONENT_CLASS_TYPE_SOURCE;
1296 const char *fail_reason = NULL;
1297
1298 assert(cfg->cmd_data.print_ctf_metadata.path);
1299 comp_cls = find_component_class(plugin_name, comp_cls_name,
1300 comp_cls_type);
1301 if (!comp_cls) {
1302 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
1303 "comp-cls-name=\"%s\", comp-cls-type=%d",
1304 plugin_name, comp_cls_name,
1305 BT_COMPONENT_CLASS_TYPE_SOURCE);
1306 fprintf(stderr, "%s%sCannot find component class %s",
1307 bt_common_color_bold(),
1308 bt_common_color_fg_red(),
1309 bt_common_color_reset());
1310 print_plugin_comp_cls_opt(stderr, plugin_name,
1311 comp_cls_name, comp_cls_type);
1312 fprintf(stderr, "\n");
1313 ret = -1;
1314 goto end;
1315 }
1316
1317 params = bt_value_map_create();
1318 if (!params) {
1319 ret = -1;
1320 goto end;
1321 }
1322
1323 ret = bt_value_map_insert_string(params, "path",
1324 cfg->cmd_data.print_ctf_metadata.path->str);
1325 if (ret) {
1326 ret = -1;
1327 goto end;
1328 }
1329
1330 ret = query(comp_cls, "metadata-info", params, &results, &fail_reason);
1331 if (ret) {
1332 goto failed;
1333 }
1334
1335 metadata_text_value = bt_value_map_get(results, "text");
1336 if (!metadata_text_value) {
1337 BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
1338 ret = -1;
1339 goto end;
1340 }
1341
1342 ret = bt_value_string_get(metadata_text_value, &metadata_text);
1343 assert(ret == 0);
1344 printf("%s\n", metadata_text);
1345 goto end;
1346
1347 failed:
1348 ret = -1;
1349 BT_LOGE("Failed to query for metadata info: %s", fail_reason);
1350 fprintf(stderr, "%s%sFailed to request metadata info: %s%s\n",
1351 bt_common_color_bold(),
1352 bt_common_color_fg_red(),
1353 fail_reason,
1354 bt_common_color_reset());
1355
1356 end:
1357 destroy_the_query_executor();
1358 bt_put(results);
1359 bt_put(params);
1360 bt_put(metadata_text_value);
1361 bt_put(comp_cls);
1362 return 0;
1363 }
1364
1365 struct port_id {
1366 char *instance_name;
1367 char *port_name;
1368 };
1369
1370 struct trace_range {
1371 uint64_t intersection_range_begin_ns;
1372 uint64_t intersection_range_end_ns;
1373 };
1374
1375 static
1376 guint port_id_hash(gconstpointer v)
1377 {
1378 const struct port_id *id = v;
1379
1380 assert(id->instance_name);
1381 assert(id->port_name);
1382
1383 return g_str_hash(id->instance_name) ^ g_str_hash(id->port_name);
1384 }
1385
1386 static
1387 gboolean port_id_equal(gconstpointer v1, gconstpointer v2)
1388 {
1389 const struct port_id *id1 = v1;
1390 const struct port_id *id2 = v2;
1391
1392 return !strcmp(id1->instance_name, id2->instance_name) &&
1393 !strcmp(id1->port_name, id2->port_name);
1394 }
1395
1396 static
1397 void port_id_destroy(gpointer data)
1398 {
1399 struct port_id *id = data;
1400
1401 free(id->instance_name);
1402 free(id->port_name);
1403 free(id);
1404 }
1405
1406 static
1407 void trace_range_destroy(gpointer data)
1408 {
1409 free(data);
1410 }
1411
1412 struct cmd_run_ctx {
1413 /* Owned by this */
1414 GHashTable *components;
1415
1416 /* Owned by this */
1417 struct bt_graph *graph;
1418
1419 /* Weak */
1420 struct bt_config *cfg;
1421
1422 bool connect_ports;
1423
1424 bool stream_intersection_mode;
1425
1426 /*
1427 * Association of struct port_id -> struct trace_range.
1428 */
1429 GHashTable *intersections;
1430 };
1431
1432 /* Returns a timestamp of the form "(-)s.ns" */
1433 static
1434 char *s_from_ns(int64_t ns)
1435 {
1436 int ret;
1437 char *s_ret = NULL;
1438 bool is_negative;
1439 int64_t ts_sec_abs, ts_nsec_abs;
1440 int64_t ts_sec = ns / NSEC_PER_SEC;
1441 int64_t ts_nsec = ns % NSEC_PER_SEC;
1442
1443 if (ts_sec >= 0 && ts_nsec >= 0) {
1444 is_negative = false;
1445 ts_sec_abs = ts_sec;
1446 ts_nsec_abs = ts_nsec;
1447 } else if (ts_sec > 0 && ts_nsec < 0) {
1448 is_negative = false;
1449 ts_sec_abs = ts_sec - 1;
1450 ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
1451 } else if (ts_sec == 0 && ts_nsec < 0) {
1452 is_negative = true;
1453 ts_sec_abs = ts_sec;
1454 ts_nsec_abs = -ts_nsec;
1455 } else if (ts_sec < 0 && ts_nsec > 0) {
1456 is_negative = true;
1457 ts_sec_abs = -(ts_sec + 1);
1458 ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
1459 } else if (ts_sec < 0 && ts_nsec == 0) {
1460 is_negative = true;
1461 ts_sec_abs = -ts_sec;
1462 ts_nsec_abs = ts_nsec;
1463 } else { /* (ts_sec < 0 && ts_nsec < 0) */
1464 is_negative = true;
1465 ts_sec_abs = -ts_sec;
1466 ts_nsec_abs = -ts_nsec;
1467 }
1468
1469 ret = asprintf(&s_ret, "%s%" PRId64 ".%09" PRId64,
1470 is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
1471 if (ret < 0) {
1472 s_ret = NULL;
1473 }
1474 return s_ret;
1475 }
1476
1477 static
1478 int cmd_run_ctx_connect_upstream_port_to_downstream_component(
1479 struct cmd_run_ctx *ctx, struct bt_component *upstream_comp,
1480 struct bt_port *upstream_port,
1481 struct bt_config_connection *cfg_conn)
1482 {
1483 int ret = 0;
1484 GQuark downstreamp_comp_name_quark;
1485 struct bt_component *downstream_comp;
1486 int64_t downstream_port_count;
1487 uint64_t i;
1488 int64_t (*port_count_fn)(struct bt_component *);
1489 struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
1490 enum bt_graph_status status = BT_GRAPH_STATUS_ERROR;
1491 bool insert_trimmer = false;
1492 struct bt_value *trimmer_params = NULL;
1493 char *intersection_begin = NULL;
1494 char *intersection_end = NULL;
1495 struct bt_component *trimmer = NULL;
1496 struct bt_component_class *trimmer_class = NULL;
1497 struct bt_port *trimmer_input = NULL;
1498 struct bt_port *trimmer_output = NULL;
1499
1500 if (ctx->intersections &&
1501 bt_component_get_class_type(upstream_comp) ==
1502 BT_COMPONENT_CLASS_TYPE_SOURCE) {
1503 struct trace_range *range;
1504 struct port_id port_id = {
1505 .instance_name = (char *) bt_component_get_name(upstream_comp),
1506 .port_name = (char *) bt_port_get_name(upstream_port)
1507 };
1508
1509 if (!port_id.instance_name || !port_id.port_name) {
1510 goto error;
1511 }
1512
1513 range = (struct trace_range *) g_hash_table_lookup(
1514 ctx->intersections, &port_id);
1515 if (range) {
1516 enum bt_value_status status;
1517
1518 intersection_begin = s_from_ns(
1519 range->intersection_range_begin_ns);
1520 intersection_end = s_from_ns(
1521 range->intersection_range_end_ns);
1522 if (!intersection_begin || !intersection_end) {
1523 BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
1524 goto error;
1525 }
1526
1527 insert_trimmer = true;
1528 trimmer_params = bt_value_map_create();
1529 if (!trimmer_params) {
1530 goto error;
1531 }
1532
1533 status = bt_value_map_insert_string(trimmer_params,
1534 "begin", intersection_begin);
1535 if (status != BT_VALUE_STATUS_OK) {
1536 goto error;
1537 }
1538 status = bt_value_map_insert_string(trimmer_params,
1539 "end", intersection_end);
1540 if (status != BT_VALUE_STATUS_OK) {
1541 goto error;
1542 }
1543 }
1544
1545 trimmer_class = find_component_class("utils", "trimmer",
1546 BT_COMPONENT_CLASS_TYPE_FILTER);
1547 if (!trimmer_class) {
1548 goto error;
1549 }
1550 }
1551
1552 BT_LOGI("Connecting upstream port to the next available downstream port: "
1553 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1554 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1555 upstream_port, bt_port_get_name(upstream_port),
1556 cfg_conn->downstream_comp_name->str,
1557 cfg_conn->arg->str);
1558 downstreamp_comp_name_quark = g_quark_from_string(
1559 cfg_conn->downstream_comp_name->str);
1560 assert(downstreamp_comp_name_quark > 0);
1561 downstream_comp = g_hash_table_lookup(ctx->components,
1562 GUINT_TO_POINTER(downstreamp_comp_name_quark));
1563 if (!downstream_comp) {
1564 BT_LOGE("Cannot find downstream component: comp-name=\"%s\", "
1565 "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str,
1566 cfg_conn->arg->str);
1567 fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n",
1568 cfg_conn->arg->str);
1569 goto error;
1570 }
1571
1572 if (bt_component_is_filter(downstream_comp)) {
1573 port_count_fn = bt_component_filter_get_input_port_count;
1574 port_by_index_fn = bt_component_filter_get_input_port_by_index;
1575 } else if (bt_component_is_sink(downstream_comp)) {
1576 port_count_fn = bt_component_sink_get_input_port_count;
1577 port_by_index_fn = bt_component_sink_get_input_port_by_index;
1578 } else {
1579 /*
1580 * Should never happen because the connections are
1581 * validated before we get here.
1582 */
1583 BT_LOGF("Invalid connection: downstream component is a source: "
1584 "conn-arg=\"%s\"", cfg_conn->arg->str);
1585 abort();
1586 }
1587
1588 downstream_port_count = port_count_fn(downstream_comp);
1589 assert(downstream_port_count >= 0);
1590
1591 for (i = 0; i < downstream_port_count; i++) {
1592 struct bt_port *downstream_port =
1593 port_by_index_fn(downstream_comp, i);
1594 const char *upstream_port_name;
1595 const char *downstream_port_name;
1596
1597 assert(downstream_port);
1598
1599 /* Skip port if it's already connected. */
1600 if (bt_port_is_connected(downstream_port)) {
1601 bt_put(downstream_port);
1602 BT_LOGD("Skipping downstream port: already connected: "
1603 "port-addr=%p, port-name=\"%s\"",
1604 downstream_port,
1605 bt_port_get_name(downstream_port));
1606 continue;
1607 }
1608
1609 downstream_port_name = bt_port_get_name(downstream_port);
1610 assert(downstream_port_name);
1611 upstream_port_name = bt_port_get_name(upstream_port);
1612 assert(upstream_port_name);
1613
1614 if (!bt_common_star_glob_match(
1615 cfg_conn->downstream_port_glob->str, SIZE_MAX,
1616 downstream_port_name, SIZE_MAX)) {
1617 bt_put(downstream_port);
1618 continue;
1619 }
1620
1621 if (insert_trimmer) {
1622 /*
1623 * In order to insert the trimmer between the two
1624 * components that were being connected, we create
1625 * a connection configuration entry which describes
1626 * a connection from the trimmer's output to the
1627 * original input that was being connected.
1628 *
1629 * Hence, the creation of the trimmer will cause the
1630 * graph "new port" listener to establish all downstream
1631 * connections as its output port is connected. We will
1632 * then establish the connection between the original
1633 * upstream source and the trimmer.
1634 */
1635 char *trimmer_name = NULL;
1636 enum bt_graph_status graph_status;
1637
1638 ret = asprintf(&trimmer_name, "%s-%s",
1639 "stream-intersection-trimmer",
1640 upstream_port_name);
1641 if (ret < 0) {
1642 goto error;
1643 }
1644 ret = 0;
1645
1646 ctx->connect_ports = false;
1647 graph_status = bt_graph_add_component(ctx->graph,
1648 trimmer_class, trimmer_name, trimmer_params,
1649 &trimmer);
1650 free(trimmer_name);
1651 if (graph_status != BT_GRAPH_STATUS_OK) {
1652 goto error;
1653 }
1654 assert(trimmer);
1655
1656 trimmer_input =
1657 bt_component_filter_get_input_port_by_index(
1658 trimmer, 0);
1659 if (!trimmer_input) {
1660 goto error;
1661 }
1662 trimmer_output =
1663 bt_component_filter_get_output_port_by_index(
1664 trimmer, 0);
1665 if (!trimmer_output) {
1666 goto error;
1667 }
1668
1669 /*
1670 * Replace the current downstream port by the trimmer's
1671 * upstream port.
1672 */
1673 BT_MOVE(downstream_port, trimmer_input);
1674 downstream_port_name = bt_port_get_name(
1675 downstream_port);
1676 if (!downstream_port_name) {
1677 goto error;
1678 }
1679 }
1680
1681 /* We have a winner! */
1682 status = bt_graph_connect_ports(ctx->graph,
1683 upstream_port, downstream_port, NULL);
1684 BT_PUT(downstream_port);
1685 switch (status) {
1686 case BT_GRAPH_STATUS_OK:
1687 break;
1688 case BT_GRAPH_STATUS_CANCELED:
1689 BT_LOGI_STR("Graph was canceled by user.");
1690 status = BT_GRAPH_STATUS_OK;
1691 break;
1692 case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION:
1693 BT_LOGE("A component refused a connection to one of its ports: "
1694 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1695 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1696 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1697 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1698 "conn-arg=\"%s\"",
1699 upstream_comp, bt_component_get_name(upstream_comp),
1700 upstream_port, bt_port_get_name(upstream_port),
1701 downstream_comp, cfg_conn->downstream_comp_name->str,
1702 downstream_port, downstream_port_name,
1703 cfg_conn->arg->str);
1704 fprintf(stderr,
1705 "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
1706 bt_port_get_name(upstream_port),
1707 downstream_port_name,
1708 cfg_conn->arg->str);
1709 break;
1710 default:
1711 BT_LOGE("Cannot create connection: graph refuses to connect ports: "
1712 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1713 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1714 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1715 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1716 "conn-arg=\"%s\"",
1717 upstream_comp, bt_component_get_name(upstream_comp),
1718 upstream_port, bt_port_get_name(upstream_port),
1719 downstream_comp, cfg_conn->downstream_comp_name->str,
1720 downstream_port, downstream_port_name,
1721 cfg_conn->arg->str);
1722 fprintf(stderr,
1723 "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
1724 bt_port_get_name(upstream_port),
1725 downstream_port_name,
1726 cfg_conn->arg->str);
1727 goto error;
1728 }
1729
1730 BT_LOGI("Connected component ports: "
1731 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1732 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1733 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1734 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1735 "conn-arg=\"%s\"",
1736 upstream_comp, bt_component_get_name(upstream_comp),
1737 upstream_port, bt_port_get_name(upstream_port),
1738 downstream_comp, cfg_conn->downstream_comp_name->str,
1739 downstream_port, downstream_port_name,
1740 cfg_conn->arg->str);
1741
1742 if (insert_trimmer) {
1743 /*
1744 * The first connection, from the source to the trimmer,
1745 * has been done. We now connect the trimmer to the
1746 * original downstream port.
1747 */
1748 ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
1749 ctx, trimmer, trimmer_output, cfg_conn);
1750 if (ret) {
1751 goto error;
1752 }
1753 ctx->connect_ports = true;
1754 }
1755
1756 /*
1757 * We found a matching downstream port: the search is
1758 * over.
1759 */
1760 goto end;
1761 }
1762
1763 /* No downstream port found */
1764 BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
1765 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1766 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1767 upstream_port, bt_port_get_name(upstream_port),
1768 cfg_conn->downstream_comp_name->str,
1769 cfg_conn->arg->str);
1770 fprintf(stderr,
1771 "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
1772 bt_port_get_name(upstream_port), cfg_conn->arg->str);
1773
1774 error:
1775 ret = -1;
1776
1777 end:
1778 free(intersection_begin);
1779 free(intersection_end);
1780 BT_PUT(trimmer_params);
1781 BT_PUT(trimmer_class);
1782 BT_PUT(trimmer);
1783 BT_PUT(trimmer_input);
1784 BT_PUT(trimmer_output);
1785 return ret;
1786 }
1787
1788 static
1789 int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx,
1790 struct bt_port *upstream_port)
1791 {
1792 int ret = 0;
1793 const char *upstream_port_name;
1794 const char *upstream_comp_name;
1795 struct bt_component *upstream_comp = NULL;
1796 size_t i;
1797
1798 assert(ctx);
1799 assert(upstream_port);
1800 upstream_port_name = bt_port_get_name(upstream_port);
1801 assert(upstream_port_name);
1802 upstream_comp = bt_port_get_component(upstream_port);
1803 if (!upstream_comp) {
1804 BT_LOGW("Upstream port to connect is not part of a component: "
1805 "port-addr=%p, port-name=\"%s\"",
1806 upstream_port, upstream_port_name);
1807 ret = -1;
1808 goto end;
1809 }
1810
1811 upstream_comp_name = bt_component_get_name(upstream_comp);
1812 assert(upstream_comp_name);
1813 BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
1814 "port-addr=%p, port-name=\"%s\"",
1815 upstream_comp, upstream_comp_name,
1816 upstream_port, upstream_port_name);
1817
1818 for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) {
1819 struct bt_config_connection *cfg_conn =
1820 g_ptr_array_index(
1821 ctx->cfg->cmd_data.run.connections, i);
1822
1823 if (strcmp(cfg_conn->upstream_comp_name->str,
1824 upstream_comp_name)) {
1825 continue;
1826 }
1827
1828 if (!bt_common_star_glob_match(
1829 cfg_conn->upstream_port_glob->str,
1830 SIZE_MAX, upstream_port_name, SIZE_MAX)) {
1831 continue;
1832 }
1833
1834 ret = cmd_run_ctx_connect_upstream_port_to_downstream_component(
1835 ctx, upstream_comp, upstream_port, cfg_conn);
1836 if (ret) {
1837 BT_LOGE("Cannot connect upstream port: "
1838 "port-addr=%p, port-name=\"%s\"",
1839 upstream_port,
1840 upstream_port_name);
1841 fprintf(stderr,
1842 "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
1843 upstream_port_name,
1844 upstream_comp_name,
1845 cfg_conn->arg->str);
1846 goto error;
1847 }
1848 goto end;
1849 }
1850
1851 BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
1852 "port-addr=%p, port-name=\"%s\"", upstream_port,
1853 upstream_port_name);
1854 fprintf(stderr,
1855 "Cannot create connection: upstream port `%s` does not match any connection\n",
1856 upstream_port_name);
1857
1858 error:
1859 ret = -1;
1860
1861 end:
1862 bt_put(upstream_comp);
1863 return ret;
1864 }
1865
1866 static
1867 void graph_port_added_listener(struct bt_port *port, void *data)
1868 {
1869 struct bt_component *comp = NULL;
1870 struct cmd_run_ctx *ctx = data;
1871
1872 comp = bt_port_get_component(port);
1873 BT_LOGI("Port added to a graph's component: comp-addr=%p, "
1874 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1875 comp, comp ? bt_component_get_name(comp) : "",
1876 port, bt_port_get_name(port));
1877
1878 if (!ctx->connect_ports) {
1879 goto end;
1880 }
1881
1882 if (!comp) {
1883 BT_LOGW_STR("Port has no component.");
1884 goto end;
1885 }
1886
1887 if (bt_port_is_connected(port)) {
1888 BT_LOGW_STR("Port is already connected.");
1889 goto end;
1890 }
1891
1892 if (!bt_port_is_output(port)) {
1893 BT_LOGI_STR("Skipping input port.");
1894 goto end;
1895 }
1896
1897 if (cmd_run_ctx_connect_upstream_port(ctx, port)) {
1898 BT_LOGF_STR("Cannot connect upstream port.");
1899 fprintf(stderr, "Added port could not be connected: aborting\n");
1900 abort();
1901 }
1902
1903 end:
1904 bt_put(comp);
1905 return;
1906 }
1907
1908 static
1909 void graph_port_removed_listener(struct bt_component *component,
1910 struct bt_port *port, void *data)
1911 {
1912 BT_LOGI("Port removed from a graph's component: comp-addr=%p, "
1913 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1914 component, bt_component_get_name(component),
1915 port, bt_port_get_name(port));
1916 }
1917
1918 static
1919 void graph_ports_connected_listener(struct bt_port *upstream_port,
1920 struct bt_port *downstream_port, void *data)
1921 {
1922 struct bt_component *upstream_comp = bt_port_get_component(upstream_port);
1923 struct bt_component *downstream_comp = bt_port_get_component(downstream_port);
1924
1925 assert(upstream_comp);
1926 assert(downstream_comp);
1927 BT_LOGI("Graph's component ports connected: "
1928 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1929 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1930 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1931 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1932 upstream_comp, bt_component_get_name(upstream_comp),
1933 upstream_port, bt_port_get_name(upstream_port),
1934 downstream_comp, bt_component_get_name(downstream_comp),
1935 downstream_port, bt_port_get_name(downstream_port));
1936 bt_put(upstream_comp);
1937 bt_put(downstream_comp);
1938 }
1939
1940 static
1941 void graph_ports_disconnected_listener(
1942 struct bt_component *upstream_component,
1943 struct bt_component *downstream_component,
1944 struct bt_port *upstream_port, struct bt_port *downstream_port,
1945 void *data)
1946 {
1947 BT_LOGI("Graph's component ports disconnected: "
1948 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1949 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1950 upstream_port, bt_port_get_name(upstream_port),
1951 downstream_port, bt_port_get_name(downstream_port));
1952 }
1953
1954 static
1955 void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx)
1956 {
1957 if (!ctx) {
1958 return;
1959 }
1960
1961 if (ctx->components) {
1962 g_hash_table_destroy(ctx->components);
1963 ctx->components = NULL;
1964 }
1965
1966 if (ctx->intersections) {
1967 g_hash_table_destroy(ctx->intersections);
1968 ctx->intersections = NULL;
1969 }
1970
1971 BT_PUT(ctx->graph);
1972 the_graph = NULL;
1973 ctx->cfg = NULL;
1974 }
1975
1976 static
1977 int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg)
1978 {
1979 int ret = 0;
1980
1981 ctx->cfg = cfg;
1982 ctx->connect_ports = false;
1983 ctx->components = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1984 NULL, bt_put);
1985 if (!ctx->components) {
1986 goto error;
1987 }
1988
1989 if (cfg->cmd_data.run.stream_intersection_mode) {
1990 ctx->stream_intersection_mode = true;
1991 ctx->intersections = g_hash_table_new_full(port_id_hash,
1992 port_id_equal, port_id_destroy, trace_range_destroy);
1993 if (!ctx->intersections) {
1994 goto error;
1995 }
1996 }
1997
1998 ctx->graph = bt_graph_create();
1999 if (!ctx->graph) {
2000 goto error;
2001 }
2002
2003 the_graph = ctx->graph;
2004 ret = bt_graph_add_port_added_listener(ctx->graph,
2005 graph_port_added_listener, NULL, ctx);
2006 if (ret < 0) {
2007 BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
2008 goto error;
2009 }
2010
2011 ret = bt_graph_add_port_removed_listener(ctx->graph,
2012 graph_port_removed_listener, NULL, ctx);
2013 if (ret < 0) {
2014 BT_LOGE_STR("Cannot add \"port removed\" listener to graph.");
2015 goto error;
2016 }
2017
2018 ret = bt_graph_add_ports_connected_listener(ctx->graph,
2019 graph_ports_connected_listener, NULL, ctx);
2020 if (ret < 0) {
2021 BT_LOGE_STR("Cannot add \"ports connected\" listener to graph.");
2022 goto error;
2023 }
2024
2025 ret = bt_graph_add_ports_disconnected_listener(ctx->graph,
2026 graph_ports_disconnected_listener, NULL, ctx);
2027 if (ret < 0) {
2028 BT_LOGE_STR("Cannot add \"ports disconnected\" listener to graph.");
2029 goto error;
2030 }
2031
2032 goto end;
2033
2034 error:
2035 cmd_run_ctx_destroy(ctx);
2036 ret = -1;
2037
2038 end:
2039 return ret;
2040 }
2041
2042 static
2043 int set_stream_intersections(struct cmd_run_ctx *ctx,
2044 struct bt_config_component *cfg_comp,
2045 struct bt_component_class *comp_cls)
2046 {
2047 int ret = 0;
2048 uint64_t trace_idx;
2049 int64_t trace_count;
2050 enum bt_value_status value_status;
2051 const char *path = NULL;
2052 struct bt_value *component_path_value = NULL;
2053 struct bt_value *query_params = NULL;
2054 struct bt_value *query_result = NULL;
2055 struct bt_value *trace_info = NULL;
2056 struct bt_value *intersection_range = NULL;
2057 struct bt_value *intersection_begin = NULL;
2058 struct bt_value *intersection_end = NULL;
2059 struct bt_value *stream_path_value = NULL;
2060 struct bt_value *stream_paths = NULL;
2061 struct bt_value *stream_infos = NULL;
2062 struct bt_value *stream_info = NULL;
2063 struct port_id *port_id = NULL;
2064 struct trace_range *trace_range = NULL;
2065 const char *fail_reason = NULL;
2066
2067 component_path_value = bt_value_map_get(cfg_comp->params, "path");
2068 if (!bt_value_is_string(component_path_value)) {
2069 BT_LOGD("Cannot get path parameter: component-name=%s",
2070 cfg_comp->instance_name->str);
2071 ret = -1;
2072 goto error;
2073 }
2074
2075 value_status = bt_value_string_get(component_path_value, &path);
2076 if (value_status != BT_VALUE_STATUS_OK) {
2077 BT_LOGD("Cannot get path string value: component-name=%s",
2078 cfg_comp->instance_name->str);
2079 ret = -1;
2080 goto error;
2081 }
2082
2083 query_params = bt_value_map_create();
2084 if (!query_params) {
2085 BT_LOGE_STR("Cannot create query parameters.");
2086 ret = -1;
2087 goto error;
2088 }
2089
2090 value_status = bt_value_map_insert(query_params, "path", component_path_value);
2091 if (value_status != BT_VALUE_STATUS_OK) {
2092 BT_LOGE_STR("Cannot insert path parameter in query paramater map.");
2093 ret = -1;
2094 goto error;
2095 }
2096
2097 ret = query(comp_cls, "trace-info", query_params, &query_result,
2098 &fail_reason);
2099 if (ret) {
2100 BT_LOGD("Component class does not support the `trace-info` query: %s: "
2101 "comp-class-name=\"%s\"", fail_reason,
2102 bt_component_class_get_name(comp_cls));
2103 ret = -1;
2104 goto error;
2105 }
2106
2107 if (!bt_value_is_array(query_result)) {
2108 BT_LOGD("Unexpected format of \'trace-info\' query result: "
2109 "component-class-name=%s",
2110 bt_component_class_get_name(comp_cls));
2111 ret = -1;
2112 goto error;
2113 }
2114
2115 trace_count = bt_value_array_size(query_result);
2116 if (trace_count < 0) {
2117 ret = -1;
2118 goto error;
2119 }
2120
2121 for (trace_idx = 0; trace_idx < trace_count; trace_idx++) {
2122 int64_t begin, end;
2123 uint64_t stream_idx;
2124 int64_t stream_count;
2125
2126 trace_info = bt_value_array_get(query_result, trace_idx);
2127 if (!trace_info || !bt_value_is_map(trace_info)) {
2128 ret = -1;
2129 BT_LOGD_STR("Cannot retrieve trace from query result.");
2130 goto error;
2131 }
2132
2133 intersection_range = bt_value_map_get(trace_info,
2134 "intersection-range-ns");
2135 if (!intersection_range) {
2136 ret = -1;
2137 BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
2138 goto error;
2139 }
2140
2141 intersection_begin = bt_value_map_get(intersection_range,
2142 "begin");
2143 if (!intersection_begin) {
2144 ret = -1;
2145 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
2146 goto error;
2147 }
2148
2149 intersection_end = bt_value_map_get(intersection_range,
2150 "end");
2151 if (!intersection_end) {
2152 ret = -1;
2153 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
2154 goto error;
2155 }
2156
2157 value_status = bt_value_integer_get(intersection_begin, &begin);
2158 if (value_status != BT_VALUE_STATUS_OK) {
2159 ret = -1;
2160 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'begin\' field from query result.");
2161 goto error;
2162 }
2163
2164 value_status = bt_value_integer_get(intersection_end, &end);
2165 if (value_status != BT_VALUE_STATUS_OK) {
2166 ret = -1;
2167 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'end\' field from query result.");
2168 goto error;
2169 }
2170
2171 if (begin < 0 || end < 0 || end < begin) {
2172 BT_LOGW("Invalid trace stream intersection values: "
2173 "intersection-range-ns:begin=%" PRId64
2174 ", intersection-range-ns:end=%" PRId64,
2175 begin, end);
2176 ret = -1;
2177 goto error;
2178 }
2179
2180 stream_infos = bt_value_map_get(trace_info, "streams");
2181 if (!stream_infos || !bt_value_is_array(stream_infos)) {
2182 ret = -1;
2183 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
2184 goto error;
2185 }
2186
2187 stream_count = bt_value_array_size(stream_infos);
2188 if (stream_count < 0) {
2189 ret = -1;
2190 goto error;
2191 }
2192
2193 /*
2194 * FIXME
2195 *
2196 * The first path of a stream's "paths" is currently used to
2197 * associate streams/ports to a given trace intersection.
2198 *
2199 * This is a fragile hack as it relies on the port names
2200 * being set to the various streams path.
2201 *
2202 * A stream name should be introduced as part of the trace-info
2203 * query result.
2204 */
2205 for (stream_idx = 0; stream_idx < stream_count; stream_idx++) {
2206 const char *stream_path;
2207
2208 port_id = g_new0(struct port_id, 1);
2209 if (!port_id) {
2210 ret = -1;
2211 BT_LOGE_STR("Cannot allocate memory for port_id structure.");
2212 goto error;
2213 }
2214 port_id->instance_name = strdup(cfg_comp->instance_name->str);
2215 if (!port_id->instance_name) {
2216 ret = -1;
2217 BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
2218 goto error;
2219 }
2220
2221 trace_range = g_new0(struct trace_range, 1);
2222 if (!trace_range) {
2223 ret = -1;
2224 BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
2225 goto error;
2226 }
2227 trace_range->intersection_range_begin_ns = begin;
2228 trace_range->intersection_range_end_ns = end;
2229
2230 stream_info = bt_value_array_get(stream_infos,
2231 stream_idx);
2232 if (!stream_info || !bt_value_is_map(stream_info)) {
2233 ret = -1;
2234 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
2235 goto error;
2236 }
2237
2238 stream_paths = bt_value_map_get(stream_info, "paths");
2239 if (!stream_paths || !bt_value_is_array(stream_paths)) {
2240 ret = -1;
2241 BT_LOGD_STR("Cannot retrieve stream paths from trace in query result.");
2242 goto error;
2243 }
2244
2245 stream_path_value = bt_value_array_get(stream_paths, 0);
2246 if (!stream_path_value ||
2247 !bt_value_is_string(stream_path_value)) {
2248 ret = -1;
2249 BT_LOGD_STR("Cannot retrieve stream path value from trace in query result.");
2250 goto error;
2251 }
2252
2253 value_status = bt_value_string_get(stream_path_value,
2254 &stream_path);
2255 if (value_status != BT_VALUE_STATUS_OK) {
2256 ret = -1;
2257 goto error;
2258 }
2259
2260 port_id->port_name = strdup(stream_path);
2261 if (!port_id->port_name) {
2262 ret = -1;
2263 BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
2264 goto error;
2265 }
2266
2267 BT_LOGD("Inserting stream intersection ");
2268
2269 g_hash_table_insert(ctx->intersections, port_id, trace_range);
2270
2271 port_id = NULL;
2272 trace_range = NULL;
2273 BT_PUT(stream_info);
2274 BT_PUT(stream_paths);
2275 BT_PUT(stream_path_value);
2276 }
2277
2278 BT_PUT(trace_info);
2279 BT_PUT(stream_paths);
2280 BT_PUT(stream_path_value);
2281 BT_PUT(intersection_range);
2282 BT_PUT(intersection_begin);
2283 BT_PUT(intersection_end);
2284 BT_PUT(stream_paths);
2285 BT_PUT(stream_path_value);
2286 }
2287
2288 goto end;
2289
2290 error:
2291 fprintf(stderr, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
2292 bt_common_color_bold(),
2293 bt_common_color_fg_yellow(),
2294 path ? path : "(unknown)",
2295 bt_common_color_reset());
2296 end:
2297 bt_put(component_path_value);
2298 bt_put(query_params);
2299 bt_put(query_result);
2300 bt_put(trace_info);
2301 bt_put(intersection_range);
2302 bt_put(intersection_begin);
2303 bt_put(intersection_end);
2304 bt_put(stream_infos);
2305 bt_put(stream_info);
2306 bt_put(stream_paths);
2307 bt_put(stream_path_value);
2308 g_free(port_id);
2309 g_free(trace_range);
2310 return ret;
2311 }
2312
2313 static
2314 int cmd_run_ctx_create_components_from_config_components(
2315 struct cmd_run_ctx *ctx, GPtrArray *cfg_components)
2316 {
2317 size_t i;
2318 struct bt_component_class *comp_cls = NULL;
2319 struct bt_component *comp = NULL;
2320 int ret = 0;
2321
2322 for (i = 0; i < cfg_components->len; i++) {
2323 struct bt_config_component *cfg_comp =
2324 g_ptr_array_index(cfg_components, i);
2325 GQuark quark;
2326
2327 comp_cls = find_component_class(cfg_comp->plugin_name->str,
2328 cfg_comp->comp_cls_name->str, cfg_comp->type);
2329 if (!comp_cls) {
2330 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
2331 "comp-cls-name=\"%s\", comp-cls-type=%d",
2332 cfg_comp->plugin_name->str,
2333 cfg_comp->comp_cls_name->str,
2334 cfg_comp->type);
2335 fprintf(stderr, "%s%sCannot find component class %s",
2336 bt_common_color_bold(),
2337 bt_common_color_fg_red(),
2338 bt_common_color_reset());
2339 print_plugin_comp_cls_opt(stderr,
2340 cfg_comp->plugin_name->str,
2341 cfg_comp->comp_cls_name->str,
2342 cfg_comp->type);
2343 fprintf(stderr, "\n");
2344 goto error;
2345 }
2346
2347 ret = bt_graph_add_component(ctx->graph, comp_cls,
2348 cfg_comp->instance_name->str, cfg_comp->params, &comp);
2349 if (ret) {
2350 BT_LOGE("Cannot create component: plugin-name=\"%s\", "
2351 "comp-cls-name=\"%s\", comp-cls-type=%d, "
2352 "comp-name=\"%s\"",
2353 cfg_comp->plugin_name->str,
2354 cfg_comp->comp_cls_name->str,
2355 cfg_comp->type, cfg_comp->instance_name->str);
2356 fprintf(stderr, "%s%sCannot create component `%s`%s\n",
2357 bt_common_color_bold(),
2358 bt_common_color_fg_red(),
2359 cfg_comp->instance_name->str,
2360 bt_common_color_reset());
2361 goto error;
2362 }
2363
2364 if (ctx->stream_intersection_mode &&
2365 cfg_comp->type == BT_COMPONENT_CLASS_TYPE_SOURCE) {
2366 ret = set_stream_intersections(ctx, cfg_comp, comp_cls);
2367 if (ret) {
2368 goto error;
2369 }
2370 }
2371
2372 BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
2373 comp, cfg_comp->instance_name->str);
2374 quark = g_quark_from_string(cfg_comp->instance_name->str);
2375 assert(quark > 0);
2376 g_hash_table_insert(ctx->components,
2377 GUINT_TO_POINTER(quark), comp);
2378 comp = NULL;
2379 BT_PUT(comp_cls);
2380 }
2381
2382 goto end;
2383
2384 error:
2385 ret = -1;
2386
2387 end:
2388 bt_put(comp);
2389 bt_put(comp_cls);
2390 return ret;
2391 }
2392
2393 static
2394 int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx)
2395 {
2396 int ret = 0;
2397
2398 /*
2399 * Make sure that, during this phase, our graph's "port added"
2400 * listener does not connect ports while we are creating the
2401 * components because we have a special, initial phase for
2402 * this.
2403 */
2404 ctx->connect_ports = false;
2405
2406 ret = cmd_run_ctx_create_components_from_config_components(
2407 ctx, ctx->cfg->cmd_data.run.sources);
2408 if (ret) {
2409 ret = -1;
2410 goto end;
2411 }
2412
2413 ret = cmd_run_ctx_create_components_from_config_components(
2414 ctx, ctx->cfg->cmd_data.run.filters);
2415 if (ret) {
2416 ret = -1;
2417 goto end;
2418 }
2419
2420 ret = cmd_run_ctx_create_components_from_config_components(
2421 ctx, ctx->cfg->cmd_data.run.sinks);
2422 if (ret) {
2423 ret = -1;
2424 goto end;
2425 }
2426
2427 end:
2428 return ret;
2429 }
2430
2431 static
2432 int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx,
2433 struct bt_component *comp,
2434 int64_t (*port_count_fn)(struct bt_component *),
2435 struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t))
2436 {
2437 int ret = 0;
2438 int64_t count;
2439 uint64_t i;
2440
2441 count = port_count_fn(comp);
2442 assert(count >= 0);
2443
2444 for (i = 0; i < count; i++) {
2445 struct bt_port *upstream_port = port_by_index_fn(comp, i);
2446
2447 assert(upstream_port);
2448 ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port);
2449 bt_put(upstream_port);
2450 if (ret) {
2451 goto end;
2452 }
2453 }
2454
2455 end:
2456 return ret;
2457 }
2458
2459 static
2460 int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx)
2461 {
2462 int ret = 0;
2463 GHashTableIter iter;
2464 gpointer g_name_quark, g_comp;
2465
2466 ctx->connect_ports = true;
2467 g_hash_table_iter_init(&iter, ctx->components);
2468
2469 while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) {
2470 int64_t (*port_count_fn)(struct bt_component *);
2471 struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t);
2472
2473 if (bt_component_is_source(g_comp)) {
2474 port_count_fn =
2475 bt_component_source_get_output_port_count;
2476 port_by_index_fn =
2477 bt_component_source_get_output_port_by_index;
2478 } else if (bt_component_is_filter(g_comp)) {
2479 port_count_fn =
2480 bt_component_filter_get_output_port_count;
2481 port_by_index_fn =
2482 bt_component_filter_get_output_port_by_index;
2483 } else {
2484 continue;
2485 }
2486
2487 ret = cmd_run_ctx_connect_comp_ports(ctx,
2488 g_comp, port_count_fn, port_by_index_fn);
2489 if (ret) {
2490 goto end;
2491 }
2492 }
2493
2494 end:
2495 return ret;
2496 }
2497
2498 static inline
2499 const char *bt_graph_status_str(enum bt_graph_status status)
2500 {
2501 switch (status) {
2502 case BT_GRAPH_STATUS_CANCELED:
2503 return "BT_GRAPH_STATUS_CANCELED";
2504 case BT_GRAPH_STATUS_AGAIN:
2505 return "BT_GRAPH_STATUS_AGAIN";
2506 case BT_GRAPH_STATUS_END:
2507 return "BT_GRAPH_STATUS_END";
2508 case BT_GRAPH_STATUS_OK:
2509 return "BT_GRAPH_STATUS_OK";
2510 case BT_GRAPH_STATUS_INVALID:
2511 return "BT_GRAPH_STATUS_INVALID";
2512 case BT_GRAPH_STATUS_NO_SINK:
2513 return "BT_GRAPH_STATUS_NO_SINK";
2514 case BT_GRAPH_STATUS_ERROR:
2515 return "BT_GRAPH_STATUS_ERROR";
2516 default:
2517 return "(unknown)";
2518 }
2519 }
2520
2521 static
2522 int cmd_run(struct bt_config *cfg)
2523 {
2524 int ret = 0;
2525 struct cmd_run_ctx ctx = { 0 };
2526
2527 /* Initialize the command's context and the graph object */
2528 if (cmd_run_ctx_init(&ctx, cfg)) {
2529 BT_LOGE_STR("Cannot initialize the command's context.");
2530 fprintf(stderr, "Cannot initialize the command's context\n");
2531 goto error;
2532 }
2533
2534 if (canceled) {
2535 BT_LOGI_STR("Canceled by user before creating components.");
2536 goto error;
2537 }
2538
2539 BT_LOGI_STR("Creating components.");
2540
2541 /* Create the requested component instances */
2542 if (cmd_run_ctx_create_components(&ctx)) {
2543 BT_LOGE_STR("Cannot create components.");
2544 fprintf(stderr, "Cannot create components\n");
2545 goto error;
2546 }
2547
2548 if (canceled) {
2549 BT_LOGI_STR("Canceled by user before connecting components.");
2550 goto error;
2551 }
2552
2553 BT_LOGI_STR("Connecting components.");
2554
2555 /* Connect the initially visible component ports */
2556 if (cmd_run_ctx_connect_ports(&ctx)) {
2557 BT_LOGE_STR("Cannot connect initial component ports.");
2558 fprintf(stderr, "Cannot connect initial component ports\n");
2559 goto error;
2560 }
2561
2562 if (canceled) {
2563 BT_LOGI_STR("Canceled by user before running the graph.");
2564 goto error;
2565 }
2566
2567 BT_LOGI_STR("Running the graph.");
2568
2569 /* Run the graph */
2570 while (true) {
2571 enum bt_graph_status graph_status = bt_graph_run(ctx.graph);
2572
2573 /*
2574 * Reset console in case something messed with console
2575 * codes during the graph's execution.
2576 */
2577 printf("%s", bt_common_color_reset());
2578 fflush(stdout);
2579 fprintf(stderr, "%s", bt_common_color_reset());
2580 BT_LOGV("bt_graph_run() returned: status=%s",
2581 bt_graph_status_str(graph_status));
2582
2583 switch (graph_status) {
2584 case BT_GRAPH_STATUS_OK:
2585 break;
2586 case BT_GRAPH_STATUS_CANCELED:
2587 BT_LOGI_STR("Graph was canceled by user.");
2588 goto error;
2589 case BT_GRAPH_STATUS_AGAIN:
2590 if (bt_graph_is_canceled(ctx.graph)) {
2591 BT_LOGI_STR("Graph was canceled by user.");
2592 goto error;
2593 }
2594
2595 if (cfg->cmd_data.run.retry_duration_us > 0) {
2596 BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
2597 "time-us=%" PRIu64,
2598 cfg->cmd_data.run.retry_duration_us);
2599
2600 if (usleep(cfg->cmd_data.run.retry_duration_us)) {
2601 if (bt_graph_is_canceled(ctx.graph)) {
2602 BT_LOGI_STR("Graph was canceled by user.");
2603 goto error;
2604 }
2605 }
2606 }
2607 break;
2608 case BT_COMPONENT_STATUS_END:
2609 goto end;
2610 default:
2611 BT_LOGE_STR("Graph failed to complete successfully");
2612 fprintf(stderr, "Graph failed to complete successfully\n");
2613 goto error;
2614 }
2615 }
2616
2617 goto end;
2618
2619 error:
2620 if (ret == 0) {
2621 ret = -1;
2622 }
2623
2624 end:
2625 cmd_run_ctx_destroy(&ctx);
2626 return ret;
2627 }
2628
2629 static
2630 void warn_command_name_and_directory_clash(struct bt_config *cfg)
2631 {
2632 const char *env_clash;
2633
2634 if (!cfg->command_name) {
2635 return;
2636 }
2637
2638 env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH);
2639 if (env_clash && strcmp(env_clash, "0") == 0) {
2640 return;
2641 }
2642
2643 if (g_file_test(cfg->command_name,
2644 G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
2645 fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
2646 cfg->command_name);
2647 fprintf(stderr, "trace located in the local `%s` directory, please use:\n",
2648 cfg->command_name);
2649 fprintf(stderr, "\n");
2650 fprintf(stderr, " babeltrace convert %s [OPTIONS]\n",
2651 cfg->command_name);
2652 }
2653 }
2654
2655 static
2656 void init_log_level(void)
2657 {
2658 bt_cli_log_level = bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL);
2659 }
2660
2661 static
2662 void set_auto_log_levels(struct bt_config *cfg)
2663 {
2664 const char **env_var_name;
2665
2666 /*
2667 * Override the configuration's default log level if
2668 * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
2669 * are found for backward compatibility with legacy Babetrace 1.
2670 */
2671 if (getenv("BABELTRACE_DEBUG") &&
2672 strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
2673 cfg->log_level = 'V';
2674 } else if (getenv("BABELTRACE_VERBOSE") &&
2675 strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
2676 cfg->log_level = 'I';
2677 }
2678
2679 /*
2680 * Set log levels according to --debug or --verbose. For
2681 * backward compatibility, --debug is more verbose than
2682 * --verbose. So:
2683 *
2684 * --verbose: INFO log level
2685 * --debug: VERBOSE log level (includes DEBUG, which is
2686 * is less verbose than VERBOSE in the internal
2687 * logging framework)
2688 */
2689 if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
2690 if (cfg->verbose) {
2691 bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
2692 } else if (cfg->debug) {
2693 bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
2694 } else {
2695 /*
2696 * Set library's default log level if not
2697 * explicitly specified.
2698 */
2699 switch (cfg->log_level) {
2700 case 'N':
2701 bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE);
2702 break;
2703 case 'V':
2704 bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE);
2705 break;
2706 case 'D':
2707 bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG);
2708 break;
2709 case 'I':
2710 bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO);
2711 break;
2712 case 'W':
2713 bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN);
2714 break;
2715 case 'E':
2716 bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR);
2717 break;
2718 case 'F':
2719 bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL);
2720 break;
2721 default:
2722 abort();
2723 }
2724 }
2725 }
2726
2727 if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL)) {
2728 if (cfg->verbose) {
2729 bt_cli_log_level = BT_LOG_INFO;
2730 } else if (cfg->debug) {
2731 bt_cli_log_level = BT_LOG_VERBOSE;
2732 } else {
2733 /*
2734 * Set CLI's default log level if not explicitly
2735 * specified.
2736 */
2737 switch (cfg->log_level) {
2738 case 'N':
2739 bt_cli_log_level = BT_LOG_NONE;
2740 break;
2741 case 'V':
2742 bt_cli_log_level = BT_LOG_VERBOSE;
2743 break;
2744 case 'D':
2745 bt_cli_log_level = BT_LOG_DEBUG;
2746 break;
2747 case 'I':
2748 bt_cli_log_level = BT_LOG_INFO;
2749 break;
2750 case 'W':
2751 bt_cli_log_level = BT_LOG_WARN;
2752 break;
2753 case 'E':
2754 bt_cli_log_level = BT_LOG_ERROR;
2755 break;
2756 case 'F':
2757 bt_cli_log_level = BT_LOG_FATAL;
2758 break;
2759 default:
2760 abort();
2761 }
2762 }
2763 }
2764
2765 env_var_name = log_level_env_var_names;
2766
2767 while (*env_var_name) {
2768 if (!getenv(*env_var_name)) {
2769 if (cfg->verbose) {
2770 g_setenv(*env_var_name, "I", 1);
2771 } else if (cfg->debug) {
2772 g_setenv(*env_var_name, "V", 1);
2773 } else {
2774 char val[2] = { 0 };
2775
2776 /*
2777 * Set module's default log level if not
2778 * explicitly specified.
2779 */
2780 val[0] = cfg->log_level;
2781 g_setenv(*env_var_name, val, 1);
2782 }
2783 }
2784
2785 env_var_name++;
2786 }
2787 }
2788
2789 int main(int argc, const char **argv)
2790 {
2791 int ret;
2792 int retcode;
2793 struct bt_config *cfg;
2794
2795 init_log_level();
2796 set_signal_handler();
2797 init_static_data();
2798 cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode);
2799
2800 if (retcode < 0) {
2801 /* Quit without errors; typically usage/version */
2802 retcode = 0;
2803 BT_LOGI_STR("Quitting without errors.");
2804 goto end;
2805 }
2806
2807 if (retcode > 0) {
2808 BT_LOGE("Command-line error: retcode=%d", retcode);
2809 goto end;
2810 }
2811
2812 if (!cfg) {
2813 BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
2814 fprintf(stderr, "Failed to create Babeltrace configuration\n");
2815 retcode = 1;
2816 goto end;
2817 }
2818
2819 set_auto_log_levels(cfg);
2820 print_cfg(cfg);
2821
2822 if (cfg->command_needs_plugins) {
2823 ret = load_all_plugins(cfg->plugin_paths);
2824 if (ret) {
2825 BT_LOGE("Failed to load plugins: ret=%d", ret);
2826 retcode = 1;
2827 goto end;
2828 }
2829 }
2830
2831 BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
2832 cfg->command, cfg->command_name);
2833
2834 switch (cfg->command) {
2835 case BT_CONFIG_COMMAND_RUN:
2836 ret = cmd_run(cfg);
2837 break;
2838 case BT_CONFIG_COMMAND_LIST_PLUGINS:
2839 ret = cmd_list_plugins(cfg);
2840 break;
2841 case BT_CONFIG_COMMAND_HELP:
2842 ret = cmd_help(cfg);
2843 break;
2844 case BT_CONFIG_COMMAND_QUERY:
2845 ret = cmd_query(cfg);
2846 break;
2847 case BT_CONFIG_COMMAND_PRINT_CTF_METADATA:
2848 ret = cmd_print_ctf_metadata(cfg);
2849 break;
2850 case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS:
2851 ret = cmd_print_lttng_live_sessions(cfg);
2852 break;
2853 default:
2854 BT_LOGF("Invalid/unknown command: cmd=%d", cfg->command);
2855 abort();
2856 }
2857
2858 BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
2859 cfg->command, cfg->command_name, ret);
2860 warn_command_name_and_directory_clash(cfg);
2861 retcode = ret ? 1 : 0;
2862
2863 end:
2864 BT_PUT(cfg);
2865 fini_static_data();
2866 return retcode;
2867 }
BabelTrace - Trace Format Babel Tower
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