4 * Babeltrace Trace Converter
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
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
29 #define BT_LOG_TAG "CLI"
32 #include <babeltrace/babeltrace.h>
33 #include <babeltrace/plugin/plugin.h>
34 #include <babeltrace/common-internal.h>
35 #include <babeltrace/graph/component.h>
36 #include <babeltrace/graph/component-source.h>
37 #include <babeltrace/graph/component-sink.h>
38 #include <babeltrace/graph/component-filter.h>
39 #include <babeltrace/graph/component-class.h>
40 #include <babeltrace/graph/port.h>
41 #include <babeltrace/graph/graph.h>
42 #include <babeltrace/graph/connection.h>
43 #include <babeltrace/graph/notification-iterator.h>
44 #include <babeltrace/ref.h>
45 #include <babeltrace/values.h>
46 #include <babeltrace/logging.h>
56 #include "babeltrace-cfg.h"
57 #include "babeltrace-cfg-cli-args.h"
58 #include "babeltrace-cfg-cli-args-default.h"
60 #define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH"
61 #define ENV_BABELTRACE_CLI_LOG_LEVEL "BABELTRACE_CLI_LOG_LEVEL"
62 #define NSEC_PER_SEC 1000000000LL
65 * Known environment variable names for the log levels of the project's
68 static const char* log_level_env_var_names
[] = {
69 "BABELTRACE_COMMON_LOG_LEVEL",
70 "BABELTRACE_PLUGIN_CTF_BTR_LOG_LEVEL",
71 "BABELTRACE_PLUGIN_CTF_FS_SRC_LOG_LEVEL",
72 "BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_SRC_LOG_LEVEL",
73 "BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
74 "BABELTRACE_PLUGIN_CTF_NOTIF_ITER_LOG_LEVEL",
75 "BABELTRACE_PLUGIN_LTTNG_UTILS_DEBUG_INFO_FLT_LOG_LEVEL",
76 "BABELTRACE_PLUGIN_TEXT_DMESG_SRC_LOG_LEVEL",
77 "BABELTRACE_PLUGIN_UTILS_MUXER_FLT_LOG_LEVEL",
78 "BABELTRACE_PLUGIN_UTILS_TRIMMER_FLT_LOG_LEVEL",
79 "BABELTRACE_PLUGIN_CTFCOPYTRACE_LIB_LOG_LEVEL",
80 "BABELTRACE_PLUGIN_CTF_FS_SINK_LOG_LEVEL",
81 "BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL",
85 /* Application's processing graph (weak) */
86 static struct bt_graph
*the_graph
;
87 static bool canceled
= false;
89 GPtrArray
*loaded_plugins
;
92 void sigint_handler(int signum
)
94 if (signum
!= SIGINT
) {
99 bt_graph_cancel(the_graph
);
106 void init_static_data(void)
108 loaded_plugins
= g_ptr_array_new_with_free_func(bt_put
);
112 void fini_static_data(void)
114 g_ptr_array_free(loaded_plugins
, TRUE
);
118 struct bt_plugin
*find_plugin(const char *name
)
121 struct bt_plugin
*plugin
= NULL
;
124 BT_LOGD("Finding plugin: name=\"%s\"", name
);
126 for (i
= 0; i
< loaded_plugins
->len
; i
++) {
127 plugin
= g_ptr_array_index(loaded_plugins
, i
);
129 if (strcmp(name
, bt_plugin_get_name(plugin
)) == 0) {
136 if (BT_LOG_ON_DEBUG
) {
138 BT_LOGD("Found plugin: plugin-addr=%p", plugin
);
140 BT_LOGD("Cannot find plugin.");
144 return bt_get(plugin
);
148 struct bt_component_class
*find_component_class(const char *plugin_name
,
149 const char *comp_class_name
,
150 enum bt_component_class_type comp_class_type
)
152 struct bt_component_class
*comp_class
= NULL
;
153 struct bt_plugin
*plugin
;
155 BT_LOGD("Finding component class: plugin-name=\"%s\", "
156 "comp-cls-name=\"%s\", comp-cls-type=%d",
157 plugin_name
, comp_class_name
, comp_class_type
);
159 plugin
= find_plugin(plugin_name
);
165 comp_class
= bt_plugin_get_component_class_by_name_and_type(plugin
,
166 comp_class_name
, comp_class_type
);
170 if (BT_LOG_ON_DEBUG
) {
172 BT_LOGD("Found component class: comp-cls-addr=%p",
175 BT_LOGD("Cannot find component class.");
183 void print_indent(FILE *fp
, size_t indent
)
187 for (i
= 0; i
< indent
; i
++) {
193 const char *component_type_str(enum bt_component_class_type type
)
196 case BT_COMPONENT_CLASS_TYPE_SOURCE
:
198 case BT_COMPONENT_CLASS_TYPE_SINK
:
200 case BT_COMPONENT_CLASS_TYPE_FILTER
:
202 case BT_COMPONENT_CLASS_TYPE_UNKNOWN
:
209 void print_plugin_comp_cls_opt(FILE *fh
, const char *plugin_name
,
210 const char *comp_cls_name
, enum bt_component_class_type type
)
212 GString
*shell_plugin_name
= NULL
;
213 GString
*shell_comp_cls_name
= NULL
;
215 shell_plugin_name
= bt_common_shell_quote(plugin_name
, false);
216 if (!shell_plugin_name
) {
220 shell_comp_cls_name
= bt_common_shell_quote(comp_cls_name
, false);
221 if (!shell_comp_cls_name
) {
225 fprintf(fh
, "'%s%s%s%s.%s%s%s.%s%s%s'",
226 bt_common_color_bold(),
227 bt_common_color_fg_cyan(),
228 component_type_str(type
),
229 bt_common_color_fg_default(),
230 bt_common_color_fg_blue(),
231 shell_plugin_name
->str
,
232 bt_common_color_fg_default(),
233 bt_common_color_fg_yellow(),
234 shell_comp_cls_name
->str
,
235 bt_common_color_reset());
238 if (shell_plugin_name
) {
239 g_string_free(shell_plugin_name
, TRUE
);
242 if (shell_comp_cls_name
) {
243 g_string_free(shell_comp_cls_name
, TRUE
);
248 void print_value(FILE *, struct bt_value
*, size_t);
251 void print_value_rec(FILE *, struct bt_value
*, size_t);
253 struct print_map_value_data
{
259 bt_bool
print_map_value(const char *key
, struct bt_value
*object
, void *data
)
261 struct print_map_value_data
*print_map_value_data
= data
;
263 print_indent(print_map_value_data
->fp
, print_map_value_data
->indent
);
264 fprintf(print_map_value_data
->fp
, "%s: ", key
);
266 if (bt_value_is_array(object
) &&
267 bt_value_array_is_empty(object
)) {
268 fprintf(print_map_value_data
->fp
, "[ ]\n");
272 if (bt_value_is_map(object
) &&
273 bt_value_map_is_empty(object
)) {
274 fprintf(print_map_value_data
->fp
, "{ }\n");
278 if (bt_value_is_array(object
) ||
279 bt_value_is_map(object
)) {
280 fprintf(print_map_value_data
->fp
, "\n");
283 print_value_rec(print_map_value_data
->fp
, object
,
284 print_map_value_data
->indent
+ 2);
289 void print_value_rec(FILE *fp
, struct bt_value
*value
, size_t indent
)
302 switch (bt_value_get_type(value
)) {
303 case BT_VALUE_TYPE_NULL
:
304 fprintf(fp
, "%snull%s\n", bt_common_color_bold(),
305 bt_common_color_reset());
307 case BT_VALUE_TYPE_BOOL
:
308 bt_value_bool_get(value
, &bool_val
);
309 fprintf(fp
, "%s%s%s%s\n", bt_common_color_bold(),
310 bt_common_color_fg_cyan(), bool_val
? "yes" : "no",
311 bt_common_color_reset());
313 case BT_VALUE_TYPE_INTEGER
:
314 bt_value_integer_get(value
, &int_val
);
315 fprintf(fp
, "%s%s%" PRId64
"%s\n", bt_common_color_bold(),
316 bt_common_color_fg_red(), int_val
,
317 bt_common_color_reset());
319 case BT_VALUE_TYPE_FLOAT
:
320 bt_value_float_get(value
, &dbl_val
);
321 fprintf(fp
, "%s%s%lf%s\n", bt_common_color_bold(),
322 bt_common_color_fg_red(), dbl_val
,
323 bt_common_color_reset());
325 case BT_VALUE_TYPE_STRING
:
326 bt_value_string_get(value
, &str_val
);
327 fprintf(fp
, "%s%s%s%s\n", bt_common_color_bold(),
328 bt_common_color_fg_green(), str_val
,
329 bt_common_color_reset());
331 case BT_VALUE_TYPE_ARRAY
:
332 size
= bt_value_array_size(value
);
336 print_indent(fp
, indent
);
337 fprintf(fp
, "[ ]\n");
341 for (i
= 0; i
< size
; i
++) {
342 struct bt_value
*element
=
343 bt_value_array_get(value
, i
);
346 print_indent(fp
, indent
);
349 if (bt_value_is_array(element
) &&
350 bt_value_array_is_empty(element
)) {
351 fprintf(fp
, "[ ]\n");
355 if (bt_value_is_map(element
) &&
356 bt_value_map_is_empty(element
)) {
357 fprintf(fp
, "{ }\n");
361 if (bt_value_is_array(element
) ||
362 bt_value_is_map(element
)) {
366 print_value_rec(fp
, element
, indent
+ 2);
370 case BT_VALUE_TYPE_MAP
:
372 struct print_map_value_data data
= {
377 if (bt_value_map_is_empty(value
)) {
378 print_indent(fp
, indent
);
379 fprintf(fp
, "{ }\n");
383 bt_value_map_foreach(value
, print_map_value
, &data
);
392 void print_value(FILE *fp
, struct bt_value
*value
, size_t indent
)
394 if (!bt_value_is_array(value
) && !bt_value_is_map(value
)) {
395 print_indent(fp
, indent
);
398 print_value_rec(fp
, value
, indent
);
402 void print_bt_config_component(struct bt_config_component
*bt_config_component
)
404 fprintf(stderr
, " ");
405 print_plugin_comp_cls_opt(stderr
, bt_config_component
->plugin_name
->str
,
406 bt_config_component
->comp_cls_name
->str
,
407 bt_config_component
->type
);
408 fprintf(stderr
, ":\n");
410 if (bt_config_component
->instance_name
->len
> 0) {
411 fprintf(stderr
, " Name: %s\n",
412 bt_config_component
->instance_name
->str
);
415 fprintf(stderr
, " Parameters:\n");
416 print_value(stderr
, bt_config_component
->params
, 8);
420 void print_bt_config_components(GPtrArray
*array
)
424 for (i
= 0; i
< array
->len
; i
++) {
425 struct bt_config_component
*cfg_component
=
426 bt_config_get_component(array
, i
);
427 print_bt_config_component(cfg_component
);
428 BT_PUT(cfg_component
);
433 void print_plugin_paths(struct bt_value
*plugin_paths
)
435 fprintf(stderr
, " Plugin paths:\n");
436 print_value(stderr
, plugin_paths
, 4);
440 void print_cfg_run(struct bt_config
*cfg
)
444 print_plugin_paths(cfg
->plugin_paths
);
445 fprintf(stderr
, " Source component instances:\n");
446 print_bt_config_components(cfg
->cmd_data
.run
.sources
);
448 if (cfg
->cmd_data
.run
.filters
->len
> 0) {
449 fprintf(stderr
, " Filter component instances:\n");
450 print_bt_config_components(cfg
->cmd_data
.run
.filters
);
453 fprintf(stderr
, " Sink component instances:\n");
454 print_bt_config_components(cfg
->cmd_data
.run
.sinks
);
455 fprintf(stderr
, " Connections:\n");
457 for (i
= 0; i
< cfg
->cmd_data
.run
.connections
->len
; i
++) {
458 struct bt_config_connection
*cfg_connection
=
459 g_ptr_array_index(cfg
->cmd_data
.run
.connections
,
462 fprintf(stderr
, " %s%s%s -> %s%s%s\n",
463 cfg_connection
->upstream_comp_name
->str
,
464 cfg_connection
->upstream_port_glob
->len
> 0 ? "." : "",
465 cfg_connection
->upstream_port_glob
->str
,
466 cfg_connection
->downstream_comp_name
->str
,
467 cfg_connection
->downstream_port_glob
->len
> 0 ? "." : "",
468 cfg_connection
->downstream_port_glob
->str
);
473 void print_cfg_list_plugins(struct bt_config
*cfg
)
475 print_plugin_paths(cfg
->plugin_paths
);
479 void print_cfg_help(struct bt_config
*cfg
)
481 print_plugin_paths(cfg
->plugin_paths
);
485 void print_cfg_print_ctf_metadata(struct bt_config
*cfg
)
487 print_plugin_paths(cfg
->plugin_paths
);
488 fprintf(stderr
, " Path: %s\n",
489 cfg
->cmd_data
.print_ctf_metadata
.path
->str
);
493 void print_cfg_print_lttng_live_sessions(struct bt_config
*cfg
)
495 print_plugin_paths(cfg
->plugin_paths
);
496 fprintf(stderr
, " URL: %s\n",
497 cfg
->cmd_data
.print_lttng_live_sessions
.url
->str
);
501 void print_cfg_query(struct bt_config
*cfg
)
503 print_plugin_paths(cfg
->plugin_paths
);
504 fprintf(stderr
, " Object: `%s`\n", cfg
->cmd_data
.query
.object
->str
);
505 fprintf(stderr
, " Component class:\n");
506 print_bt_config_component(cfg
->cmd_data
.query
.cfg_component
);
510 void print_cfg(struct bt_config
*cfg
)
512 if (!BT_LOG_ON_INFO
) {
516 BT_LOGI_STR("Configuration:");
517 fprintf(stderr
, " Debug mode: %s\n", cfg
->debug
? "yes" : "no");
518 fprintf(stderr
, " Verbose mode: %s\n", cfg
->verbose
? "yes" : "no");
520 switch (cfg
->command
) {
521 case BT_CONFIG_COMMAND_RUN
:
524 case BT_CONFIG_COMMAND_LIST_PLUGINS
:
525 print_cfg_list_plugins(cfg
);
527 case BT_CONFIG_COMMAND_HELP
:
530 case BT_CONFIG_COMMAND_QUERY
:
531 print_cfg_query(cfg
);
533 case BT_CONFIG_COMMAND_PRINT_CTF_METADATA
:
534 print_cfg_print_ctf_metadata(cfg
);
536 case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS
:
537 print_cfg_print_lttng_live_sessions(cfg
);
545 void add_to_loaded_plugins(struct bt_plugin_set
*plugin_set
)
550 count
= bt_plugin_set_get_plugin_count(plugin_set
);
553 for (i
= 0; i
< count
; i
++) {
554 struct bt_plugin
*plugin
=
555 bt_plugin_set_get_plugin(plugin_set
, i
);
556 struct bt_plugin
*loaded_plugin
=
557 find_plugin(bt_plugin_get_name(plugin
));
562 BT_LOGI("Not using plugin: another one already exists with the same name: "
563 "plugin-name=\"%s\", plugin-path=\"%s\", "
564 "existing-plugin-path=\"%s\"",
565 bt_plugin_get_name(plugin
),
566 bt_plugin_get_path(plugin
),
567 bt_plugin_get_path(loaded_plugin
));
568 bt_put(loaded_plugin
);
570 /* Add to global array. */
571 BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
572 bt_plugin_get_name(plugin
));
573 g_ptr_array_add(loaded_plugins
, bt_get(plugin
));
581 int load_dynamic_plugins(struct bt_value
*plugin_paths
)
583 int nr_paths
, i
, ret
= 0;
585 nr_paths
= bt_value_array_size(plugin_paths
);
587 BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
592 BT_LOGI("Loading dynamic plugins.");
594 for (i
= 0; i
< nr_paths
; i
++) {
595 struct bt_value
*plugin_path_value
= NULL
;
596 const char *plugin_path
;
597 struct bt_plugin_set
*plugin_set
;
599 plugin_path_value
= bt_value_array_get(plugin_paths
, i
);
600 bt_value_string_get(plugin_path_value
, &plugin_path
);
604 * Skip this if the directory does not exist because
605 * bt_plugin_create_all_from_dir() expects an existing
608 if (!g_file_test(plugin_path
, G_FILE_TEST_IS_DIR
)) {
609 BT_LOGV("Skipping nonexistent directory path: "
610 "path=\"%s\"", plugin_path
);
611 BT_PUT(plugin_path_value
);
615 plugin_set
= bt_plugin_create_all_from_dir(plugin_path
, false);
617 BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
619 BT_PUT(plugin_path_value
);
623 add_to_loaded_plugins(plugin_set
);
625 BT_PUT(plugin_path_value
);
632 int load_static_plugins(void)
635 struct bt_plugin_set
*plugin_set
;
637 BT_LOGI("Loading static plugins.");
638 plugin_set
= bt_plugin_create_all_from_static();
640 BT_LOGE("Unable to load static plugins.");
645 add_to_loaded_plugins(plugin_set
);
652 int load_all_plugins(struct bt_value
*plugin_paths
)
656 if (load_dynamic_plugins(plugin_paths
)) {
661 if (load_static_plugins()) {
666 BT_LOGI("Loaded all plugins: count=%u", loaded_plugins
->len
);
673 void print_plugin_info(struct bt_plugin
*plugin
)
675 unsigned int major
, minor
, patch
;
677 enum bt_plugin_status version_status
;
678 const char *plugin_name
;
682 const char *plugin_description
;
684 plugin_name
= bt_plugin_get_name(plugin
);
685 path
= bt_plugin_get_path(plugin
);
686 author
= bt_plugin_get_author(plugin
);
687 license
= bt_plugin_get_license(plugin
);
688 plugin_description
= bt_plugin_get_description(plugin
);
689 version_status
= bt_plugin_get_version(plugin
, &major
, &minor
,
691 printf("%s%s%s%s:\n", bt_common_color_bold(),
692 bt_common_color_fg_blue(), plugin_name
,
693 bt_common_color_reset());
694 printf(" %sPath%s: %s\n", bt_common_color_bold(),
695 bt_common_color_reset(), path
? path
: "(None)");
697 if (version_status
== BT_PLUGIN_STATUS_OK
) {
698 printf(" %sVersion%s: %u.%u.%u",
699 bt_common_color_bold(), bt_common_color_reset(),
700 major
, minor
, patch
);
709 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
710 bt_common_color_reset(),
711 plugin_description
? plugin_description
: "(None)");
712 printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
713 bt_common_color_reset(), author
? author
: "(Unknown)");
714 printf(" %sLicense%s: %s\n", bt_common_color_bold(),
715 bt_common_color_reset(),
716 license
? license
: "(Unknown)");
720 int cmd_query(struct bt_config
*cfg
)
723 struct bt_component_class
*comp_cls
= NULL
;
724 struct bt_value
*results
= NULL
;
726 comp_cls
= find_component_class(cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
727 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
728 cfg
->cmd_data
.query
.cfg_component
->type
);
730 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
731 "comp-cls-name=\"%s\", comp-cls-type=%d",
732 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
733 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
734 cfg
->cmd_data
.query
.cfg_component
->type
);
735 fprintf(stderr
, "%s%sCannot find component class %s",
736 bt_common_color_bold(),
737 bt_common_color_fg_red(),
738 bt_common_color_reset());
739 print_plugin_comp_cls_opt(stderr
,
740 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
741 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
742 cfg
->cmd_data
.query
.cfg_component
->type
);
743 fprintf(stderr
, "\n");
748 results
= bt_component_class_query(comp_cls
,
749 cfg
->cmd_data
.query
.object
->str
,
750 cfg
->cmd_data
.query
.cfg_component
->params
);
752 BT_LOGE("Failed to query component class: plugin-name=\"%s\", "
753 "comp-cls-name=\"%s\", comp-cls-type=%d "
755 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
756 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
757 cfg
->cmd_data
.query
.cfg_component
->type
,
758 cfg
->cmd_data
.query
.object
->str
);
759 fprintf(stderr
, "%s%sFailed to query info to %s",
760 bt_common_color_bold(),
761 bt_common_color_fg_red(),
762 bt_common_color_reset());
763 print_plugin_comp_cls_opt(stderr
,
764 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
765 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
766 cfg
->cmd_data
.query
.cfg_component
->type
);
767 fprintf(stderr
, "%s%s with object `%s`%s\n",
768 bt_common_color_bold(),
769 bt_common_color_fg_red(),
770 cfg
->cmd_data
.query
.object
->str
,
771 bt_common_color_reset());
776 print_value(stdout
, results
, 0);
785 int cmd_help(struct bt_config
*cfg
)
788 struct bt_plugin
*plugin
= NULL
;
791 plugin
= find_plugin(cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
);
793 BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
794 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
);
795 fprintf(stderr
, "%s%sCannot find plugin %s%s%s\n",
796 bt_common_color_bold(), bt_common_color_fg_red(),
797 bt_common_color_fg_blue(),
798 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
799 bt_common_color_reset());
804 print_plugin_info(plugin
);
805 printf(" %sComponent classes%s: %d\n",
806 bt_common_color_bold(),
807 bt_common_color_reset(),
808 (int) bt_plugin_get_component_class_count(plugin
));
811 if (cfg
->cmd_data
.help
.cfg_component
->type
!=
812 BT_COMPONENT_CLASS_TYPE_UNKNOWN
) {
813 struct bt_component_class
*needed_comp_cls
=
814 find_component_class(
815 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
816 cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
817 cfg
->cmd_data
.help
.cfg_component
->type
);
819 if (!needed_comp_cls
) {
820 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
821 "comp-cls-name=\"%s\", comp-cls-type=%d",
822 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
823 cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
824 cfg
->cmd_data
.help
.cfg_component
->type
);
825 fprintf(stderr
, "\n%s%sCannot find component class %s",
826 bt_common_color_bold(),
827 bt_common_color_fg_red(),
828 bt_common_color_reset());
829 print_plugin_comp_cls_opt(stderr
,
830 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
831 cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
832 cfg
->cmd_data
.help
.cfg_component
->type
);
833 fprintf(stderr
, "\n");
838 bt_put(needed_comp_cls
);
841 for (i
= 0; i
< bt_plugin_get_component_class_count(plugin
); i
++) {
842 struct bt_component_class
*comp_cls
=
843 bt_plugin_get_component_class_by_index(plugin
, i
);
844 const char *comp_class_name
=
845 bt_component_class_get_name(comp_cls
);
846 const char *comp_class_description
=
847 bt_component_class_get_description(comp_cls
);
848 const char *comp_class_help
=
849 bt_component_class_get_help(comp_cls
);
850 enum bt_component_class_type type
=
851 bt_component_class_get_type(comp_cls
);
855 if (cfg
->cmd_data
.help
.cfg_component
->type
!=
856 BT_COMPONENT_CLASS_TYPE_UNKNOWN
) {
857 if (strcmp(cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
858 comp_class_name
) != 0 &&
860 cfg
->cmd_data
.help
.cfg_component
->type
) {
867 print_plugin_comp_cls_opt(stdout
,
868 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
872 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
873 bt_common_color_reset(),
874 comp_class_description
? comp_class_description
: "(None)");
876 if (comp_class_help
) {
877 printf("\n%s\n", comp_class_help
);
889 int cmd_list_plugins(struct bt_config
*cfg
)
892 int plugins_count
, component_classes_count
= 0, i
;
894 printf("From the following plugin paths:\n\n");
895 print_value(stdout
, cfg
->plugin_paths
, 2);
897 plugins_count
= loaded_plugins
->len
;
898 if (plugins_count
== 0) {
899 printf("No plugins found.\n");
903 for (i
= 0; i
< plugins_count
; i
++) {
904 struct bt_plugin
*plugin
= g_ptr_array_index(loaded_plugins
, i
);
906 component_classes_count
+= bt_plugin_get_component_class_count(plugin
);
909 printf("Found %s%d%s component classes in %s%d%s plugins.\n",
910 bt_common_color_bold(),
911 component_classes_count
,
912 bt_common_color_reset(),
913 bt_common_color_bold(),
915 bt_common_color_reset());
917 for (i
= 0; i
< plugins_count
; i
++) {
919 struct bt_plugin
*plugin
= g_ptr_array_index(loaded_plugins
, i
);
921 component_classes_count
=
922 bt_plugin_get_component_class_count(plugin
);
924 print_plugin_info(plugin
);
926 if (component_classes_count
== 0) {
927 printf(" %sComponent classes%s: (none)\n",
928 bt_common_color_bold(),
929 bt_common_color_reset());
931 printf(" %sComponent classes%s:\n",
932 bt_common_color_bold(),
933 bt_common_color_reset());
936 for (j
= 0; j
< component_classes_count
; j
++) {
937 struct bt_component_class
*comp_class
=
938 bt_plugin_get_component_class_by_index(
940 const char *comp_class_name
=
941 bt_component_class_get_name(comp_class
);
942 const char *comp_class_description
=
943 bt_component_class_get_description(comp_class
);
944 enum bt_component_class_type type
=
945 bt_component_class_get_type(comp_class
);
948 print_plugin_comp_cls_opt(stdout
,
949 bt_plugin_get_name(plugin
), comp_class_name
,
952 if (comp_class_description
) {
953 printf(": %s", comp_class_description
);
966 int cmd_print_lttng_live_sessions(struct bt_config
*cfg
)
969 struct bt_component_class
*comp_cls
= NULL
;
970 struct bt_value
*results
= NULL
;
971 struct bt_value
*params
= NULL
;
972 struct bt_value
*map
= NULL
;
973 struct bt_value
*v
= NULL
;
974 static const char * const plugin_name
= "ctf";
975 static const char * const comp_cls_name
= "lttng-live";
976 static const enum bt_component_class_type comp_cls_type
=
977 BT_COMPONENT_CLASS_TYPE_SOURCE
;
978 int64_t array_size
, i
;
980 assert(cfg
->cmd_data
.print_lttng_live_sessions
.url
);
981 comp_cls
= find_component_class(plugin_name
, comp_cls_name
,
984 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
985 "comp-cls-name=\"%s\", comp-cls-type=%d",
986 plugin_name
, comp_cls_name
,
987 BT_COMPONENT_CLASS_TYPE_SOURCE
);
988 fprintf(stderr
, "%s%sCannot find component class %s",
989 bt_common_color_bold(),
990 bt_common_color_fg_red(),
991 bt_common_color_reset());
992 print_plugin_comp_cls_opt(stderr
, plugin_name
,
993 comp_cls_name
, comp_cls_type
);
994 fprintf(stderr
, "\n");
998 params
= bt_value_map_create();
1003 ret
= bt_value_map_insert_string(params
, "url",
1004 cfg
->cmd_data
.print_lttng_live_sessions
.url
->str
);
1009 results
= bt_component_class_query(comp_cls
, "sessions",
1012 BT_LOGE_STR("Failed to query for sessions.");
1013 fprintf(stderr
, "%s%sFailed to request sessions%s\n",
1014 bt_common_color_bold(),
1015 bt_common_color_fg_red(),
1016 bt_common_color_reset());
1020 if (!bt_value_is_array(results
)) {
1021 BT_LOGE_STR("Expecting an array for sessions query.");
1022 fprintf(stderr
, "%s%sUnexpected type returned by session query%s\n",
1023 bt_common_color_bold(),
1024 bt_common_color_fg_red(),
1025 bt_common_color_reset());
1029 array_size
= bt_value_array_size(results
);
1030 for (i
= 0; i
< array_size
; i
++) {
1031 const char *url_text
;
1032 int64_t timer_us
, streams
, clients
;
1034 map
= bt_value_array_get(results
, i
);
1036 BT_LOGE_STR("Unexpected empty array entry.");
1039 if (!bt_value_is_map(map
)) {
1040 BT_LOGE_STR("Unexpected entry type.");
1044 v
= bt_value_map_get(map
, "url");
1046 BT_LOGE_STR("Unexpected empty array \"url\" entry.");
1049 ret
= bt_value_string_get(v
, &url_text
);
1051 printf("%s", url_text
);
1054 v
= bt_value_map_get(map
, "timer-us");
1056 BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
1059 ret
= bt_value_integer_get(v
, &timer_us
);
1061 printf(" (timer = %" PRIu64
", ", timer_us
);
1064 v
= bt_value_map_get(map
, "stream-count");
1066 BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
1069 ret
= bt_value_integer_get(v
, &streams
);
1071 printf("%" PRIu64
" stream(s), ", streams
);
1074 v
= bt_value_map_get(map
, "client-count");
1076 BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
1079 ret
= bt_value_integer_get(v
, &clients
);
1081 printf("%" PRIu64
" client(s) connected)\n", clients
);
1100 int cmd_print_ctf_metadata(struct bt_config
*cfg
)
1103 struct bt_component_class
*comp_cls
= NULL
;
1104 struct bt_value
*results
= NULL
;
1105 struct bt_value
*params
= NULL
;
1106 struct bt_value
*metadata_text_value
= NULL
;
1107 const char *metadata_text
= NULL
;
1108 static const char * const plugin_name
= "ctf";
1109 static const char * const comp_cls_name
= "fs";
1110 static const enum bt_component_class_type comp_cls_type
=
1111 BT_COMPONENT_CLASS_TYPE_SOURCE
;
1113 assert(cfg
->cmd_data
.print_ctf_metadata
.path
);
1114 comp_cls
= find_component_class(plugin_name
, comp_cls_name
,
1117 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
1118 "comp-cls-name=\"%s\", comp-cls-type=%d",
1119 plugin_name
, comp_cls_name
,
1120 BT_COMPONENT_CLASS_TYPE_SOURCE
);
1121 fprintf(stderr
, "%s%sCannot find component class %s",
1122 bt_common_color_bold(),
1123 bt_common_color_fg_red(),
1124 bt_common_color_reset());
1125 print_plugin_comp_cls_opt(stderr
, plugin_name
,
1126 comp_cls_name
, comp_cls_type
);
1127 fprintf(stderr
, "\n");
1132 params
= bt_value_map_create();
1138 ret
= bt_value_map_insert_string(params
, "path",
1139 cfg
->cmd_data
.print_ctf_metadata
.path
->str
);
1145 results
= bt_component_class_query(comp_cls
, "metadata-info",
1149 BT_LOGE_STR("Failed to query for metadata info.");
1150 fprintf(stderr
, "%s%sFailed to request metadata info%s\n",
1151 bt_common_color_bold(),
1152 bt_common_color_fg_red(),
1153 bt_common_color_reset());
1157 metadata_text_value
= bt_value_map_get(results
, "text");
1158 if (!metadata_text_value
) {
1159 BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
1164 ret
= bt_value_string_get(metadata_text_value
, &metadata_text
);
1166 printf("%s\n", metadata_text
);
1171 bt_put(metadata_text_value
);
1177 char *instance_name
;
1181 struct trace_range
{
1182 uint64_t intersection_range_begin_ns
;
1183 uint64_t intersection_range_end_ns
;
1187 guint
port_id_hash(gconstpointer v
)
1189 const struct port_id
*id
= v
;
1191 assert(id
->instance_name
);
1192 assert(id
->port_name
);
1194 return g_str_hash(id
->instance_name
) ^ g_str_hash(id
->port_name
);
1198 gboolean
port_id_equal(gconstpointer v1
, gconstpointer v2
)
1200 const struct port_id
*id1
= v1
;
1201 const struct port_id
*id2
= v2
;
1203 return !strcmp(id1
->instance_name
, id2
->instance_name
) &&
1204 !strcmp(id1
->port_name
, id2
->port_name
);
1208 void port_id_destroy(gpointer data
)
1210 struct port_id
*id
= data
;
1212 free(id
->instance_name
);
1213 free(id
->port_name
);
1218 void trace_range_destroy(gpointer data
)
1223 struct cmd_run_ctx
{
1225 GHashTable
*components
;
1228 struct bt_graph
*graph
;
1231 struct bt_config
*cfg
;
1235 bool stream_intersection_mode
;
1238 * Association of struct port_id -> struct trace_range.
1240 GHashTable
*intersections
;
1243 /* Returns a timestamp of the form "(-)s.ns" */
1245 char *s_from_ns(int64_t ns
)
1250 int64_t ts_sec_abs
, ts_nsec_abs
;
1251 int64_t ts_sec
= ns
/ NSEC_PER_SEC
;
1252 int64_t ts_nsec
= ns
% NSEC_PER_SEC
;
1254 if (ts_sec
>= 0 && ts_nsec
>= 0) {
1255 is_negative
= false;
1256 ts_sec_abs
= ts_sec
;
1257 ts_nsec_abs
= ts_nsec
;
1258 } else if (ts_sec
> 0 && ts_nsec
< 0) {
1259 is_negative
= false;
1260 ts_sec_abs
= ts_sec
- 1;
1261 ts_nsec_abs
= NSEC_PER_SEC
+ ts_nsec
;
1262 } else if (ts_sec
== 0 && ts_nsec
< 0) {
1264 ts_sec_abs
= ts_sec
;
1265 ts_nsec_abs
= -ts_nsec
;
1266 } else if (ts_sec
< 0 && ts_nsec
> 0) {
1268 ts_sec_abs
= -(ts_sec
+ 1);
1269 ts_nsec_abs
= NSEC_PER_SEC
- ts_nsec
;
1270 } else if (ts_sec
< 0 && ts_nsec
== 0) {
1272 ts_sec_abs
= -ts_sec
;
1273 ts_nsec_abs
= ts_nsec
;
1274 } else { /* (ts_sec < 0 && ts_nsec < 0) */
1276 ts_sec_abs
= -ts_sec
;
1277 ts_nsec_abs
= -ts_nsec
;
1280 ret
= asprintf(&s_ret
, "%s%" PRId64
".%09" PRId64
,
1281 is_negative
? "-" : "", ts_sec_abs
, ts_nsec_abs
);
1289 int cmd_run_ctx_connect_upstream_port_to_downstream_component(
1290 struct cmd_run_ctx
*ctx
, struct bt_component
*upstream_comp
,
1291 struct bt_port
*upstream_port
,
1292 struct bt_config_connection
*cfg_conn
)
1295 GQuark downstreamp_comp_name_quark
;
1296 struct bt_component
*downstream_comp
;
1297 int64_t downstream_port_count
;
1299 int64_t (*port_count_fn
)(struct bt_component
*);
1300 struct bt_port
*(*port_by_index_fn
)(struct bt_component
*, uint64_t);
1301 enum bt_graph_status status
= BT_GRAPH_STATUS_ERROR
;
1302 bool insert_trimmer
= false;
1303 struct bt_value
*trimmer_params
= NULL
;
1304 char *intersection_begin
= NULL
;
1305 char *intersection_end
= NULL
;
1306 struct bt_component
*trimmer
= NULL
;
1307 struct bt_component_class
*trimmer_class
= NULL
;
1308 struct bt_port
*trimmer_input
= NULL
;
1309 struct bt_port
*trimmer_output
= NULL
;
1311 if (ctx
->intersections
&&
1312 bt_component_get_class_type(upstream_comp
) ==
1313 BT_COMPONENT_CLASS_TYPE_SOURCE
) {
1314 struct trace_range
*range
;
1315 struct port_id port_id
= {
1316 .instance_name
= (char *) bt_component_get_name(upstream_comp
),
1317 .port_name
= (char *) bt_port_get_name(upstream_port
)
1320 if (!port_id
.instance_name
|| !port_id
.port_name
) {
1324 range
= (struct trace_range
*) g_hash_table_lookup(
1325 ctx
->intersections
, &port_id
);
1327 enum bt_value_status status
;
1329 intersection_begin
= s_from_ns(
1330 range
->intersection_range_begin_ns
);
1331 intersection_end
= s_from_ns(
1332 range
->intersection_range_end_ns
);
1333 if (!intersection_begin
|| !intersection_end
) {
1334 BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
1338 insert_trimmer
= true;
1339 trimmer_params
= bt_value_map_create();
1340 if (!trimmer_params
) {
1344 status
= bt_value_map_insert_string(trimmer_params
,
1345 "begin", intersection_begin
);
1346 if (status
!= BT_VALUE_STATUS_OK
) {
1349 status
= bt_value_map_insert_string(trimmer_params
,
1350 "end", intersection_end
);
1351 if (status
!= BT_VALUE_STATUS_OK
) {
1356 trimmer_class
= find_component_class("utils", "trimmer",
1357 BT_COMPONENT_CLASS_TYPE_FILTER
);
1358 if (!trimmer_class
) {
1363 BT_LOGI("Connecting upstream port to the next available downstream port: "
1364 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1365 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1366 upstream_port
, bt_port_get_name(upstream_port
),
1367 cfg_conn
->downstream_comp_name
->str
,
1368 cfg_conn
->arg
->str
);
1369 downstreamp_comp_name_quark
= g_quark_from_string(
1370 cfg_conn
->downstream_comp_name
->str
);
1371 assert(downstreamp_comp_name_quark
> 0);
1372 downstream_comp
= g_hash_table_lookup(ctx
->components
,
1373 GUINT_TO_POINTER(downstreamp_comp_name_quark
));
1374 if (!downstream_comp
) {
1375 BT_LOGE("Cannot find downstream component: comp-name=\"%s\", "
1376 "conn-arg=\"%s\"", cfg_conn
->downstream_comp_name
->str
,
1377 cfg_conn
->arg
->str
);
1378 fprintf(stderr
, "Cannot create connection: cannot find downstream component: %s\n",
1379 cfg_conn
->arg
->str
);
1383 if (bt_component_is_filter(downstream_comp
)) {
1384 port_count_fn
= bt_component_filter_get_input_port_count
;
1385 port_by_index_fn
= bt_component_filter_get_input_port_by_index
;
1386 } else if (bt_component_is_sink(downstream_comp
)) {
1387 port_count_fn
= bt_component_sink_get_input_port_count
;
1388 port_by_index_fn
= bt_component_sink_get_input_port_by_index
;
1391 * Should never happen because the connections are
1392 * validated before we get here.
1394 BT_LOGF("Invalid connection: downstream component is a source: "
1395 "conn-arg=\"%s\"", cfg_conn
->arg
->str
);
1399 downstream_port_count
= port_count_fn(downstream_comp
);
1400 assert(downstream_port_count
>= 0);
1402 for (i
= 0; i
< downstream_port_count
; i
++) {
1403 struct bt_port
*downstream_port
=
1404 port_by_index_fn(downstream_comp
, i
);
1405 const char *upstream_port_name
;
1406 const char *downstream_port_name
;
1408 assert(downstream_port
);
1410 /* Skip port if it's already connected. */
1411 if (bt_port_is_connected(downstream_port
)) {
1412 bt_put(downstream_port
);
1413 BT_LOGD("Skipping downstream port: already connected: "
1414 "port-addr=%p, port-name=\"%s\"",
1416 bt_port_get_name(downstream_port
));
1420 downstream_port_name
= bt_port_get_name(downstream_port
);
1421 assert(downstream_port_name
);
1422 upstream_port_name
= bt_port_get_name(upstream_port
);
1423 assert(upstream_port_name
);
1425 if (!bt_common_star_glob_match(
1426 cfg_conn
->downstream_port_glob
->str
, SIZE_MAX
,
1427 downstream_port_name
, SIZE_MAX
)) {
1428 bt_put(downstream_port
);
1432 if (insert_trimmer
) {
1434 * In order to insert the trimmer between the two
1435 * components that were being connected, we create
1436 * a connection configuration entry which describes
1437 * a connection from the trimmer's output to the
1438 * original input that was being connected.
1440 * Hence, the creation of the trimmer will cause the
1441 * graph "new port" listener to establish all downstream
1442 * connections as its output port is connected. We will
1443 * then establish the connection between the original
1444 * upstream source and the trimmer.
1446 char *trimmer_name
= NULL
;
1447 enum bt_graph_status graph_status
;
1449 ret
= asprintf(&trimmer_name
, "%s-%s",
1450 "stream-intersection-trimmer",
1451 upstream_port_name
);
1457 ctx
->connect_ports
= false;
1458 graph_status
= bt_graph_add_component(ctx
->graph
,
1459 trimmer_class
, trimmer_name
, trimmer_params
,
1462 if (graph_status
!= BT_GRAPH_STATUS_OK
) {
1468 bt_component_filter_get_input_port_by_index(
1470 if (!trimmer_input
) {
1474 bt_component_filter_get_output_port_by_index(
1476 if (!trimmer_output
) {
1481 * Replace the current downstream port by the trimmer's
1484 BT_MOVE(downstream_port
, trimmer_input
);
1485 downstream_port_name
= bt_port_get_name(
1487 if (!downstream_port_name
) {
1492 /* We have a winner! */
1493 status
= bt_graph_connect_ports(ctx
->graph
,
1494 upstream_port
, downstream_port
, NULL
);
1495 BT_PUT(downstream_port
);
1497 case BT_GRAPH_STATUS_OK
:
1499 case BT_GRAPH_STATUS_CANCELED
:
1500 BT_LOGI_STR("Graph was canceled by user.");
1501 status
= BT_GRAPH_STATUS_OK
;
1503 case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION
:
1504 BT_LOGE("A component refused a connection to one of its ports: "
1505 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1506 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1507 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1508 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1510 upstream_comp
, bt_component_get_name(upstream_comp
),
1511 upstream_port
, bt_port_get_name(upstream_port
),
1512 downstream_comp
, cfg_conn
->downstream_comp_name
->str
,
1513 downstream_port
, downstream_port_name
,
1514 cfg_conn
->arg
->str
);
1516 "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
1517 bt_port_get_name(upstream_port
),
1518 downstream_port_name
,
1519 cfg_conn
->arg
->str
);
1522 BT_LOGE("Cannot create connection: graph refuses to connect ports: "
1523 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1524 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1525 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1526 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1528 upstream_comp
, bt_component_get_name(upstream_comp
),
1529 upstream_port
, bt_port_get_name(upstream_port
),
1530 downstream_comp
, cfg_conn
->downstream_comp_name
->str
,
1531 downstream_port
, downstream_port_name
,
1532 cfg_conn
->arg
->str
);
1534 "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
1535 bt_port_get_name(upstream_port
),
1536 downstream_port_name
,
1537 cfg_conn
->arg
->str
);
1541 BT_LOGI("Connected component ports: "
1542 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1543 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1544 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1545 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1547 upstream_comp
, bt_component_get_name(upstream_comp
),
1548 upstream_port
, bt_port_get_name(upstream_port
),
1549 downstream_comp
, cfg_conn
->downstream_comp_name
->str
,
1550 downstream_port
, downstream_port_name
,
1551 cfg_conn
->arg
->str
);
1553 if (insert_trimmer
) {
1555 * The first connection, from the source to the trimmer,
1556 * has been done. We now connect the trimmer to the
1557 * original downstream port.
1559 ret
= cmd_run_ctx_connect_upstream_port_to_downstream_component(
1560 ctx
, trimmer
, trimmer_output
, cfg_conn
);
1564 ctx
->connect_ports
= true;
1569 if (status
!= BT_GRAPH_STATUS_OK
) {
1570 BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
1571 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1572 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1573 upstream_port
, bt_port_get_name(upstream_port
),
1574 cfg_conn
->downstream_comp_name
->str
,
1575 cfg_conn
->arg
->str
);
1577 "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
1578 bt_port_get_name(upstream_port
), cfg_conn
->arg
->str
);
1588 free(intersection_begin
);
1589 free(intersection_end
);
1590 BT_PUT(trimmer_params
);
1591 BT_PUT(trimmer_class
);
1593 BT_PUT(trimmer_input
);
1594 BT_PUT(trimmer_output
);
1599 int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx
*ctx
,
1600 struct bt_port
*upstream_port
)
1603 const char *upstream_port_name
;
1604 const char *upstream_comp_name
;
1605 struct bt_component
*upstream_comp
= NULL
;
1609 assert(upstream_port
);
1610 upstream_port_name
= bt_port_get_name(upstream_port
);
1611 assert(upstream_port_name
);
1612 upstream_comp
= bt_port_get_component(upstream_port
);
1613 if (!upstream_comp
) {
1614 BT_LOGW("Upstream port to connect is not part of a component: "
1615 "port-addr=%p, port-name=\"%s\"",
1616 upstream_port
, upstream_port_name
);
1621 upstream_comp_name
= bt_component_get_name(upstream_comp
);
1622 assert(upstream_comp_name
);
1623 BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
1624 "port-addr=%p, port-name=\"%s\"",
1625 upstream_comp
, upstream_comp_name
,
1626 upstream_port
, upstream_port_name
);
1628 for (i
= 0; i
< ctx
->cfg
->cmd_data
.run
.connections
->len
; i
++) {
1629 struct bt_config_connection
*cfg_conn
=
1631 ctx
->cfg
->cmd_data
.run
.connections
, i
);
1633 if (strcmp(cfg_conn
->upstream_comp_name
->str
,
1634 upstream_comp_name
)) {
1638 if (!bt_common_star_glob_match(
1639 cfg_conn
->upstream_port_glob
->str
,
1640 SIZE_MAX
, upstream_port_name
, SIZE_MAX
)) {
1644 ret
= cmd_run_ctx_connect_upstream_port_to_downstream_component(
1645 ctx
, upstream_comp
, upstream_port
, cfg_conn
);
1647 BT_LOGE("Cannot connect upstream port: "
1648 "port-addr=%p, port-name=\"%s\"",
1650 upstream_port_name
);
1652 "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
1655 cfg_conn
->arg
->str
);
1661 BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
1662 "port-addr=%p, port-name=\"%s\"", upstream_port
,
1663 upstream_port_name
);
1665 "Cannot create connection: upstream port `%s` does not match any connection\n",
1666 upstream_port_name
);
1672 bt_put(upstream_comp
);
1677 void graph_port_added_listener(struct bt_port
*port
, void *data
)
1679 struct bt_component
*comp
= NULL
;
1680 struct cmd_run_ctx
*ctx
= data
;
1682 comp
= bt_port_get_component(port
);
1683 BT_LOGI("Port added to a graph's component: comp-addr=%p, "
1684 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1685 comp
, comp
? bt_component_get_name(comp
) : "",
1686 port
, bt_port_get_name(port
));
1688 if (!ctx
->connect_ports
) {
1693 BT_LOGW_STR("Port has no component.");
1697 if (bt_port_is_connected(port
)) {
1698 BT_LOGW_STR("Port is already connected.");
1702 if (!bt_port_is_output(port
)) {
1703 BT_LOGI_STR("Skipping input port.");
1707 if (cmd_run_ctx_connect_upstream_port(ctx
, port
)) {
1708 BT_LOGF_STR("Cannot connect upstream port.");
1709 fprintf(stderr
, "Added port could not be connected: aborting\n");
1719 void graph_port_removed_listener(struct bt_component
*component
,
1720 struct bt_port
*port
, void *data
)
1722 BT_LOGI("Port removed from a graph's component: comp-addr=%p, "
1723 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1724 component
, bt_component_get_name(component
),
1725 port
, bt_port_get_name(port
));
1729 void graph_ports_connected_listener(struct bt_port
*upstream_port
,
1730 struct bt_port
*downstream_port
, void *data
)
1732 struct bt_component
*upstream_comp
= bt_port_get_component(upstream_port
);
1733 struct bt_component
*downstream_comp
= bt_port_get_component(downstream_port
);
1735 assert(upstream_comp
);
1736 assert(downstream_comp
);
1737 BT_LOGI("Graph's component ports connected: "
1738 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1739 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1740 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1741 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1742 upstream_comp
, bt_component_get_name(upstream_comp
),
1743 upstream_port
, bt_port_get_name(upstream_port
),
1744 downstream_comp
, bt_component_get_name(downstream_comp
),
1745 downstream_port
, bt_port_get_name(downstream_port
));
1746 bt_put(upstream_comp
);
1747 bt_put(downstream_comp
);
1751 void graph_ports_disconnected_listener(
1752 struct bt_component
*upstream_component
,
1753 struct bt_component
*downstream_component
,
1754 struct bt_port
*upstream_port
, struct bt_port
*downstream_port
,
1757 BT_LOGI("Graph's component ports disconnected: "
1758 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1759 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1760 upstream_port
, bt_port_get_name(upstream_port
),
1761 downstream_port
, bt_port_get_name(downstream_port
));
1765 void cmd_run_ctx_destroy(struct cmd_run_ctx
*ctx
)
1771 if (ctx
->components
) {
1772 g_hash_table_destroy(ctx
->components
);
1773 ctx
->components
= NULL
;
1776 if (ctx
->intersections
) {
1777 g_hash_table_destroy(ctx
->intersections
);
1778 ctx
->intersections
= NULL
;
1787 int cmd_run_ctx_init(struct cmd_run_ctx
*ctx
, struct bt_config
*cfg
)
1792 ctx
->connect_ports
= false;
1793 ctx
->components
= g_hash_table_new_full(g_direct_hash
, g_direct_equal
,
1795 if (!ctx
->components
) {
1799 if (cfg
->cmd_data
.run
.stream_intersection_mode
) {
1800 ctx
->stream_intersection_mode
= true;
1801 ctx
->intersections
= g_hash_table_new_full(port_id_hash
,
1802 port_id_equal
, port_id_destroy
, trace_range_destroy
);
1803 if (!ctx
->intersections
) {
1808 ctx
->graph
= bt_graph_create();
1813 the_graph
= ctx
->graph
;
1814 ret
= bt_graph_add_port_added_listener(ctx
->graph
,
1815 graph_port_added_listener
, ctx
);
1817 BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
1821 ret
= bt_graph_add_port_removed_listener(ctx
->graph
,
1822 graph_port_removed_listener
, ctx
);
1824 BT_LOGE_STR("Cannot add \"port removed\" listener to graph.");
1828 ret
= bt_graph_add_ports_connected_listener(ctx
->graph
,
1829 graph_ports_connected_listener
, ctx
);
1831 BT_LOGE_STR("Cannot add \"ports connected\" listener to graph.");
1835 ret
= bt_graph_add_ports_disconnected_listener(ctx
->graph
,
1836 graph_ports_disconnected_listener
, ctx
);
1838 BT_LOGE_STR("Cannot add \"ports disconnected\" listener to graph.");
1845 cmd_run_ctx_destroy(ctx
);
1853 int set_stream_intersections(struct cmd_run_ctx
*ctx
,
1854 struct bt_config_component
*cfg_comp
,
1855 struct bt_component_class
*comp_cls
)
1859 int64_t trace_count
;
1860 enum bt_value_status value_status
;
1861 const char *path
= NULL
;
1862 struct bt_value
*component_path_value
= NULL
;
1863 struct bt_value
*query_params
= NULL
;
1864 struct bt_value
*query_result
= NULL
;
1865 struct bt_value
*trace_info
= NULL
;
1866 struct bt_value
*intersection_range
= NULL
;
1867 struct bt_value
*intersection_begin
= NULL
;
1868 struct bt_value
*intersection_end
= NULL
;
1869 struct bt_value
*stream_path_value
= NULL
;
1870 struct bt_value
*stream_paths
= NULL
;
1871 struct bt_value
*stream_infos
= NULL
;
1872 struct bt_value
*stream_info
= NULL
;
1873 struct port_id
*port_id
= NULL
;
1874 struct trace_range
*trace_range
= NULL
;
1876 component_path_value
= bt_value_map_get(cfg_comp
->params
, "path");
1877 if (!bt_value_is_string(component_path_value
)) {
1878 BT_LOGD("Cannot get path parameter: component-name=%s",
1879 cfg_comp
->instance_name
->str
);
1884 value_status
= bt_value_string_get(component_path_value
, &path
);
1885 if (value_status
!= BT_VALUE_STATUS_OK
) {
1886 BT_LOGD("Cannot get path string value: component-name=%s",
1887 cfg_comp
->instance_name
->str
);
1892 query_params
= bt_value_map_create();
1893 if (!query_params
) {
1894 BT_LOGE_STR("Cannot create query parameters.");
1899 value_status
= bt_value_map_insert(query_params
, "path", component_path_value
);
1900 if (value_status
!= BT_VALUE_STATUS_OK
) {
1901 BT_LOGE_STR("Cannot insert path parameter in query paramater map.");
1906 query_result
= bt_component_class_query(comp_cls
, "trace-info",
1908 if (!query_result
) {
1909 BT_LOGD("Component class \'%s\' does not support the \'trace-info\' query.",
1910 bt_component_class_get_name(comp_cls
));
1915 if (!bt_value_is_array(query_result
)) {
1916 BT_LOGD("Unexpected format of \'trace-info\' query result: "
1917 "component-class-name=%s",
1918 bt_component_class_get_name(comp_cls
));
1923 trace_count
= bt_value_array_size(query_result
);
1924 if (trace_count
< 0) {
1929 for (trace_idx
= 0; trace_idx
< trace_count
; trace_idx
++) {
1931 uint64_t stream_idx
;
1932 int64_t stream_count
;
1934 trace_info
= bt_value_array_get(query_result
, trace_idx
);
1935 if (!trace_info
|| !bt_value_is_map(trace_info
)) {
1937 BT_LOGD_STR("Cannot retrieve trace from query result.");
1941 intersection_range
= bt_value_map_get(trace_info
,
1942 "intersection-range-ns");
1943 if (!intersection_range
) {
1945 BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
1949 intersection_begin
= bt_value_map_get(intersection_range
,
1951 if (!intersection_begin
) {
1953 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
1957 intersection_end
= bt_value_map_get(intersection_range
,
1959 if (!intersection_end
) {
1961 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
1965 value_status
= bt_value_integer_get(intersection_begin
, &begin
);
1966 if (value_status
!= BT_VALUE_STATUS_OK
) {
1968 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'begin\' field from query result.");
1972 value_status
= bt_value_integer_get(intersection_end
, &end
);
1973 if (value_status
!= BT_VALUE_STATUS_OK
) {
1975 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'end\' field from query result.");
1979 if (begin
< 0 || end
< 0 || end
< begin
) {
1980 BT_LOGW("Invalid trace stream intersection values: "
1981 "intersection-range-ns:begin=%" PRId64
1982 ", intersection-range-ns:end=%" PRId64
,
1988 stream_infos
= bt_value_map_get(trace_info
, "streams");
1989 if (!stream_infos
|| !bt_value_is_array(stream_infos
)) {
1991 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
1995 stream_count
= bt_value_array_size(stream_infos
);
1996 if (stream_count
< 0) {
2004 * The first path of a stream's "paths" is currently used to
2005 * associate streams/ports to a given trace intersection.
2007 * This is a fragile hack as it relies on the port names
2008 * being set to the various streams path.
2010 * A stream name should be introduced as part of the trace-info
2013 for (stream_idx
= 0; stream_idx
< stream_count
; stream_idx
++) {
2014 const char *stream_path
;
2016 port_id
= g_new0(struct port_id
, 1);
2019 BT_LOGE_STR("Cannot allocate memory for port_id structure.");
2022 port_id
->instance_name
= strdup(cfg_comp
->instance_name
->str
);
2023 if (!port_id
->instance_name
) {
2025 BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
2029 trace_range
= g_new0(struct trace_range
, 1);
2032 BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
2035 trace_range
->intersection_range_begin_ns
= begin
;
2036 trace_range
->intersection_range_end_ns
= end
;
2038 stream_info
= bt_value_array_get(stream_infos
,
2040 if (!stream_info
|| !bt_value_is_map(stream_info
)) {
2042 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
2046 stream_paths
= bt_value_map_get(stream_info
, "paths");
2047 if (!stream_paths
|| !bt_value_is_array(stream_paths
)) {
2049 BT_LOGD_STR("Cannot retrieve stream paths from trace in query result.");
2053 stream_path_value
= bt_value_array_get(stream_paths
, 0);
2054 if (!stream_path_value
||
2055 !bt_value_is_string(stream_path_value
)) {
2057 BT_LOGD_STR("Cannot retrieve stream path value from trace in query result.");
2061 value_status
= bt_value_string_get(stream_path_value
,
2063 if (value_status
!= BT_VALUE_STATUS_OK
) {
2068 port_id
->port_name
= strdup(stream_path
);
2069 if (!port_id
->port_name
) {
2071 BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
2075 BT_LOGD("Inserting stream intersection ");
2077 g_hash_table_insert(ctx
->intersections
, port_id
, trace_range
);
2081 BT_PUT(stream_info
);
2082 BT_PUT(stream_paths
);
2083 BT_PUT(stream_path_value
);
2087 BT_PUT(stream_paths
);
2088 BT_PUT(stream_path_value
);
2089 BT_PUT(intersection_range
);
2090 BT_PUT(intersection_begin
);
2091 BT_PUT(intersection_end
);
2092 BT_PUT(stream_paths
);
2093 BT_PUT(stream_path_value
);
2099 fprintf(stderr
, "%s%sCannot determine stream intersection of trace at path \'%s\'.%s\n",
2100 bt_common_color_bold(),
2101 bt_common_color_fg_yellow(),
2102 path
? path
: "(unknown)",
2103 bt_common_color_reset());
2105 bt_put(component_path_value
);
2106 bt_put(query_params
);
2107 bt_put(query_result
);
2109 bt_put(intersection_range
);
2110 bt_put(intersection_begin
);
2111 bt_put(intersection_end
);
2112 bt_put(stream_infos
);
2113 bt_put(stream_info
);
2114 bt_put(stream_paths
);
2115 bt_put(stream_path_value
);
2117 g_free(trace_range
);
2122 int cmd_run_ctx_create_components_from_config_components(
2123 struct cmd_run_ctx
*ctx
, GPtrArray
*cfg_components
)
2126 struct bt_component_class
*comp_cls
= NULL
;
2127 struct bt_component
*comp
= NULL
;
2130 for (i
= 0; i
< cfg_components
->len
; i
++) {
2131 struct bt_config_component
*cfg_comp
=
2132 g_ptr_array_index(cfg_components
, i
);
2135 comp_cls
= find_component_class(cfg_comp
->plugin_name
->str
,
2136 cfg_comp
->comp_cls_name
->str
, cfg_comp
->type
);
2138 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
2139 "comp-cls-name=\"%s\", comp-cls-type=%d",
2140 cfg_comp
->plugin_name
->str
,
2141 cfg_comp
->comp_cls_name
->str
,
2143 fprintf(stderr
, "%s%sCannot find component class %s",
2144 bt_common_color_bold(),
2145 bt_common_color_fg_red(),
2146 bt_common_color_reset());
2147 print_plugin_comp_cls_opt(stderr
,
2148 cfg_comp
->plugin_name
->str
,
2149 cfg_comp
->comp_cls_name
->str
,
2151 fprintf(stderr
, "\n");
2155 ret
= bt_graph_add_component(ctx
->graph
, comp_cls
,
2156 cfg_comp
->instance_name
->str
, cfg_comp
->params
, &comp
);
2158 BT_LOGE("Cannot create component: plugin-name=\"%s\", "
2159 "comp-cls-name=\"%s\", comp-cls-type=%d, "
2161 cfg_comp
->plugin_name
->str
,
2162 cfg_comp
->comp_cls_name
->str
,
2163 cfg_comp
->type
, cfg_comp
->instance_name
->str
);
2164 fprintf(stderr
, "%s%sCannot create component `%s`%s\n",
2165 bt_common_color_bold(),
2166 bt_common_color_fg_red(),
2167 cfg_comp
->instance_name
->str
,
2168 bt_common_color_reset());
2172 if (ctx
->stream_intersection_mode
&&
2173 cfg_comp
->type
== BT_COMPONENT_CLASS_TYPE_SOURCE
) {
2174 ret
= set_stream_intersections(ctx
, cfg_comp
, comp_cls
);
2180 BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"",
2181 comp
, cfg_comp
->instance_name
->str
);
2182 quark
= g_quark_from_string(cfg_comp
->instance_name
->str
);
2184 g_hash_table_insert(ctx
->components
,
2185 GUINT_TO_POINTER(quark
), comp
);
2202 int cmd_run_ctx_create_components(struct cmd_run_ctx
*ctx
)
2207 * Make sure that, during this phase, our graph's "port added"
2208 * listener does not connect ports while we are creating the
2209 * components because we have a special, initial phase for
2212 ctx
->connect_ports
= false;
2214 ret
= cmd_run_ctx_create_components_from_config_components(
2215 ctx
, ctx
->cfg
->cmd_data
.run
.sources
);
2221 ret
= cmd_run_ctx_create_components_from_config_components(
2222 ctx
, ctx
->cfg
->cmd_data
.run
.filters
);
2228 ret
= cmd_run_ctx_create_components_from_config_components(
2229 ctx
, ctx
->cfg
->cmd_data
.run
.sinks
);
2240 int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx
*ctx
,
2241 struct bt_component
*comp
,
2242 int64_t (*port_count_fn
)(struct bt_component
*),
2243 struct bt_port
*(*port_by_index_fn
)(struct bt_component
*, uint64_t))
2249 count
= port_count_fn(comp
);
2252 for (i
= 0; i
< count
; i
++) {
2253 struct bt_port
*upstream_port
= port_by_index_fn(comp
, i
);
2255 assert(upstream_port
);
2256 ret
= cmd_run_ctx_connect_upstream_port(ctx
, upstream_port
);
2257 bt_put(upstream_port
);
2268 int cmd_run_ctx_connect_ports(struct cmd_run_ctx
*ctx
)
2271 GHashTableIter iter
;
2272 gpointer g_name_quark
, g_comp
;
2274 ctx
->connect_ports
= true;
2275 g_hash_table_iter_init(&iter
, ctx
->components
);
2277 while (g_hash_table_iter_next(&iter
, &g_name_quark
, &g_comp
)) {
2278 int64_t (*port_count_fn
)(struct bt_component
*);
2279 struct bt_port
*(*port_by_index_fn
)(struct bt_component
*, uint64_t);
2281 if (bt_component_is_source(g_comp
)) {
2283 bt_component_source_get_output_port_count
;
2285 bt_component_source_get_output_port_by_index
;
2286 } else if (bt_component_is_filter(g_comp
)) {
2288 bt_component_filter_get_output_port_count
;
2290 bt_component_filter_get_output_port_by_index
;
2295 ret
= cmd_run_ctx_connect_comp_ports(ctx
,
2296 g_comp
, port_count_fn
, port_by_index_fn
);
2307 const char *bt_graph_status_str(enum bt_graph_status status
)
2310 case BT_GRAPH_STATUS_CANCELED
:
2311 return "BT_GRAPH_STATUS_CANCELED";
2312 case BT_GRAPH_STATUS_AGAIN
:
2313 return "BT_GRAPH_STATUS_AGAIN";
2314 case BT_GRAPH_STATUS_END
:
2315 return "BT_GRAPH_STATUS_END";
2316 case BT_GRAPH_STATUS_OK
:
2317 return "BT_GRAPH_STATUS_OK";
2318 case BT_GRAPH_STATUS_INVALID
:
2319 return "BT_GRAPH_STATUS_INVALID";
2320 case BT_GRAPH_STATUS_NO_SINK
:
2321 return "BT_GRAPH_STATUS_NO_SINK";
2322 case BT_GRAPH_STATUS_ERROR
:
2323 return "BT_GRAPH_STATUS_ERROR";
2330 int cmd_run(struct bt_config
*cfg
)
2333 struct cmd_run_ctx ctx
= { 0 };
2335 /* Initialize the command's context and the graph object */
2336 if (cmd_run_ctx_init(&ctx
, cfg
)) {
2337 BT_LOGE_STR("Cannot initialize the command's context.");
2338 fprintf(stderr
, "Cannot initialize the command's context\n");
2343 BT_LOGI_STR("Canceled by user before creating components.");
2347 BT_LOGI_STR("Creating components.");
2349 /* Create the requested component instances */
2350 if (cmd_run_ctx_create_components(&ctx
)) {
2351 BT_LOGE_STR("Cannot create components.");
2352 fprintf(stderr
, "Cannot create components\n");
2357 BT_LOGI_STR("Canceled by user before connecting components.");
2361 BT_LOGI_STR("Connecting components.");
2363 /* Connect the initially visible component ports */
2364 if (cmd_run_ctx_connect_ports(&ctx
)) {
2365 BT_LOGE_STR("Cannot connect initial component ports.");
2366 fprintf(stderr
, "Cannot connect initial component ports\n");
2371 BT_LOGI_STR("Canceled by user before running the graph.");
2375 BT_LOGI_STR("Running the graph.");
2379 enum bt_graph_status graph_status
= bt_graph_run(ctx
.graph
);
2382 * Reset console in case something messed with console
2383 * codes during the graph's execution.
2385 printf("%s", bt_common_color_reset());
2387 fprintf(stderr
, "%s", bt_common_color_reset());
2388 BT_LOGV("bt_graph_run() returned: status=%s",
2389 bt_graph_status_str(graph_status
));
2391 switch (graph_status
) {
2392 case BT_GRAPH_STATUS_OK
:
2394 case BT_GRAPH_STATUS_CANCELED
:
2395 BT_LOGI_STR("Graph was canceled by user.");
2397 case BT_GRAPH_STATUS_AGAIN
:
2398 if (bt_graph_is_canceled(ctx
.graph
)) {
2399 BT_LOGI_STR("Graph was canceled by user.");
2403 if (cfg
->cmd_data
.run
.retry_duration_us
> 0) {
2404 BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: "
2406 cfg
->cmd_data
.run
.retry_duration_us
);
2408 if (usleep(cfg
->cmd_data
.run
.retry_duration_us
)) {
2409 if (bt_graph_is_canceled(ctx
.graph
)) {
2410 BT_LOGI_STR("Graph was canceled by user.");
2416 case BT_COMPONENT_STATUS_END
:
2419 BT_LOGE_STR("Graph failed to complete successfully");
2420 fprintf(stderr
, "Graph failed to complete successfully\n");
2433 cmd_run_ctx_destroy(&ctx
);
2438 void warn_command_name_and_directory_clash(struct bt_config
*cfg
)
2440 const char *env_clash
;
2442 if (!cfg
->command_name
) {
2446 env_clash
= getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH
);
2447 if (env_clash
&& strcmp(env_clash
, "0") == 0) {
2451 if (g_file_test(cfg
->command_name
,
2452 G_FILE_TEST_EXISTS
| G_FILE_TEST_IS_DIR
)) {
2453 fprintf(stderr
, "\nNOTE: The `%s` command was executed. If you meant to convert a\n",
2455 fprintf(stderr
, "trace located in the local `%s` directory, please use:\n",
2457 fprintf(stderr
, "\n");
2458 fprintf(stderr
, " babeltrace convert %s [OPTIONS]\n",
2464 void init_log_level(void)
2466 bt_cli_log_level
= bt_log_get_level_from_env(ENV_BABELTRACE_CLI_LOG_LEVEL
);
2470 void set_auto_log_levels(struct bt_config
*cfg
)
2472 const char **env_var_name
;
2475 * Override the configuration's default log level if
2476 * BABELTRACE_VERBOSE or BABELTRACE_DEBUG environment variables
2477 * are found for backward compatibility with legacy Babetrace 1.
2479 if (getenv("BABELTRACE_DEBUG") &&
2480 strcmp(getenv("BABELTRACE_DEBUG"), "1") == 0) {
2481 cfg
->log_level
= 'V';
2482 } else if (getenv("BABELTRACE_VERBOSE") &&
2483 strcmp(getenv("BABELTRACE_VERBOSE"), "1") == 0) {
2484 cfg
->log_level
= 'I';
2488 * Set log levels according to --debug or --verbose. For
2489 * backward compatibility, --debug is more verbose than
2492 * --verbose: INFO log level
2493 * --debug: VERBOSE log level (includes DEBUG, which is
2494 * is less verbose than VERBOSE in the internal
2495 * logging framework)
2497 if (!getenv("BABELTRACE_LOGGING_GLOBAL_LEVEL")) {
2499 bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO
);
2500 } else if (cfg
->debug
) {
2501 bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE
);
2504 * Set library's default log level if not
2505 * explicitly specified.
2507 switch (cfg
->log_level
) {
2509 bt_logging_set_global_level(BT_LOGGING_LEVEL_NONE
);
2512 bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE
);
2515 bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG
);
2518 bt_logging_set_global_level(BT_LOGGING_LEVEL_INFO
);
2521 bt_logging_set_global_level(BT_LOGGING_LEVEL_WARN
);
2524 bt_logging_set_global_level(BT_LOGGING_LEVEL_ERROR
);
2527 bt_logging_set_global_level(BT_LOGGING_LEVEL_FATAL
);
2535 if (!getenv(ENV_BABELTRACE_CLI_LOG_LEVEL
)) {
2537 bt_cli_log_level
= BT_LOG_INFO
;
2538 } else if (cfg
->debug
) {
2539 bt_cli_log_level
= BT_LOG_VERBOSE
;
2542 * Set CLI's default log level if not explicitly
2545 switch (cfg
->log_level
) {
2547 bt_cli_log_level
= BT_LOG_NONE
;
2550 bt_cli_log_level
= BT_LOG_VERBOSE
;
2553 bt_cli_log_level
= BT_LOG_DEBUG
;
2556 bt_cli_log_level
= BT_LOG_INFO
;
2559 bt_cli_log_level
= BT_LOG_WARN
;
2562 bt_cli_log_level
= BT_LOG_ERROR
;
2565 bt_cli_log_level
= BT_LOG_FATAL
;
2573 env_var_name
= log_level_env_var_names
;
2575 while (*env_var_name
) {
2576 if (!getenv(*env_var_name
)) {
2578 g_setenv(*env_var_name
, "I", 1);
2579 } else if (cfg
->debug
) {
2580 g_setenv(*env_var_name
, "V", 1);
2582 char val
[2] = { 0 };
2585 * Set module's default log level if not
2586 * explicitly specified.
2588 val
[0] = cfg
->log_level
;
2589 g_setenv(*env_var_name
, val
, 1);
2598 void set_sigint_handler(void)
2600 struct sigaction new_action
, old_action
;
2602 new_action
.sa_handler
= sigint_handler
;
2603 sigemptyset(&new_action
.sa_mask
);
2604 new_action
.sa_flags
= 0;
2605 sigaction(SIGINT
, NULL
, &old_action
);
2607 if (old_action
.sa_handler
!= SIG_IGN
) {
2608 sigaction(SIGINT
, &new_action
, NULL
);
2612 int main(int argc
, const char **argv
)
2616 struct bt_config
*cfg
;
2619 set_sigint_handler();
2621 cfg
= bt_config_cli_args_create_with_default(argc
, argv
, &retcode
);
2624 /* Quit without errors; typically usage/version */
2626 BT_LOGI_STR("Quitting without errors.");
2631 BT_LOGE("Command-line error: retcode=%d", retcode
);
2636 BT_LOGE_STR("Failed to create a valid Babeltrace configuration.");
2637 fprintf(stderr
, "Failed to create Babeltrace configuration\n");
2642 set_auto_log_levels(cfg
);
2645 if (cfg
->command_needs_plugins
) {
2646 ret
= load_all_plugins(cfg
->plugin_paths
);
2648 BT_LOGE("Failed to load plugins: ret=%d", ret
);
2654 BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"",
2655 cfg
->command
, cfg
->command_name
);
2657 switch (cfg
->command
) {
2658 case BT_CONFIG_COMMAND_RUN
:
2661 case BT_CONFIG_COMMAND_LIST_PLUGINS
:
2662 ret
= cmd_list_plugins(cfg
);
2664 case BT_CONFIG_COMMAND_HELP
:
2665 ret
= cmd_help(cfg
);
2667 case BT_CONFIG_COMMAND_QUERY
:
2668 ret
= cmd_query(cfg
);
2670 case BT_CONFIG_COMMAND_PRINT_CTF_METADATA
:
2671 ret
= cmd_print_ctf_metadata(cfg
);
2673 case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS
:
2674 ret
= cmd_print_lttng_live_sessions(cfg
);
2677 BT_LOGF("Invalid/unknown command: cmd=%d", cfg
->command
);
2681 BT_LOGI("Command completed: cmd=%d, command-name=\"%s\", ret=%d",
2682 cfg
->command
, cfg
->command_name
, ret
);
2683 warn_command_name_and_directory_clash(cfg
);
2684 retcode
= ret
? 1 : 0;