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_UTILS_MUXER_FLT_LOG_LEVEL",
77 "BABELTRACE_PLUGIN_UTILS_TRIMMER_FLT_LOG_LEVEL",
78 "BABELTRACE_PYTHON_PLUGIN_PROVIDER_LOG_LEVEL",
82 /* Application's processing graph (weak) */
83 static struct bt_graph
*the_graph
;
84 static bool canceled
= false;
86 GPtrArray
*loaded_plugins
;
89 void sigint_handler(int signum
)
91 if (signum
!= SIGINT
) {
96 bt_graph_cancel(the_graph
);
103 void init_static_data(void)
105 loaded_plugins
= g_ptr_array_new_with_free_func(bt_put
);
109 void fini_static_data(void)
111 g_ptr_array_free(loaded_plugins
, TRUE
);
115 struct bt_plugin
*find_plugin(const char *name
)
118 struct bt_plugin
*plugin
= NULL
;
121 BT_LOGD("Finding plugin: name=\"%s\"", name
);
123 for (i
= 0; i
< loaded_plugins
->len
; i
++) {
124 plugin
= g_ptr_array_index(loaded_plugins
, i
);
126 if (strcmp(name
, bt_plugin_get_name(plugin
)) == 0) {
133 if (BT_LOG_ON_DEBUG
) {
135 BT_LOGD("Found plugin: plugin-addr=%p", plugin
);
137 BT_LOGD("Cannot find plugin.");
141 return bt_get(plugin
);
145 struct bt_component_class
*find_component_class(const char *plugin_name
,
146 const char *comp_class_name
,
147 enum bt_component_class_type comp_class_type
)
149 struct bt_component_class
*comp_class
= NULL
;
150 struct bt_plugin
*plugin
;
152 BT_LOGD("Finding component class: plugin-name=\"%s\", "
153 "comp-cls-name=\"%s\", comp-cls-type=%d",
154 plugin_name
, comp_class_name
, comp_class_type
);
156 plugin
= find_plugin(plugin_name
);
162 comp_class
= bt_plugin_get_component_class_by_name_and_type(plugin
,
163 comp_class_name
, comp_class_type
);
167 if (BT_LOG_ON_DEBUG
) {
169 BT_LOGD("Found component class: comp-cls-addr=%p",
172 BT_LOGD("Cannot find component class.");
180 void print_indent(FILE *fp
, size_t indent
)
184 for (i
= 0; i
< indent
; i
++) {
190 const char *component_type_str(enum bt_component_class_type type
)
193 case BT_COMPONENT_CLASS_TYPE_SOURCE
:
195 case BT_COMPONENT_CLASS_TYPE_SINK
:
197 case BT_COMPONENT_CLASS_TYPE_FILTER
:
199 case BT_COMPONENT_CLASS_TYPE_UNKNOWN
:
206 void print_plugin_comp_cls_opt(FILE *fh
, const char *plugin_name
,
207 const char *comp_cls_name
, enum bt_component_class_type type
)
209 GString
*shell_plugin_name
= NULL
;
210 GString
*shell_comp_cls_name
= NULL
;
212 shell_plugin_name
= bt_common_shell_quote(plugin_name
, false);
213 if (!shell_plugin_name
) {
217 shell_comp_cls_name
= bt_common_shell_quote(comp_cls_name
, false);
218 if (!shell_comp_cls_name
) {
222 fprintf(fh
, "'%s%s%s%s.%s%s%s.%s%s%s'",
223 bt_common_color_bold(),
224 bt_common_color_fg_cyan(),
225 component_type_str(type
),
226 bt_common_color_fg_default(),
227 bt_common_color_fg_blue(),
228 shell_plugin_name
->str
,
229 bt_common_color_fg_default(),
230 bt_common_color_fg_yellow(),
231 shell_comp_cls_name
->str
,
232 bt_common_color_reset());
235 if (shell_plugin_name
) {
236 g_string_free(shell_plugin_name
, TRUE
);
239 if (shell_comp_cls_name
) {
240 g_string_free(shell_comp_cls_name
, TRUE
);
245 void print_value(FILE *, struct bt_value
*, size_t);
248 void print_value_rec(FILE *, struct bt_value
*, size_t);
250 struct print_map_value_data
{
256 bt_bool
print_map_value(const char *key
, struct bt_value
*object
, void *data
)
258 struct print_map_value_data
*print_map_value_data
= data
;
260 print_indent(print_map_value_data
->fp
, print_map_value_data
->indent
);
261 fprintf(print_map_value_data
->fp
, "%s: ", key
);
263 if (bt_value_is_array(object
) &&
264 bt_value_array_is_empty(object
)) {
265 fprintf(print_map_value_data
->fp
, "[ ]\n");
269 if (bt_value_is_map(object
) &&
270 bt_value_map_is_empty(object
)) {
271 fprintf(print_map_value_data
->fp
, "{ }\n");
275 if (bt_value_is_array(object
) ||
276 bt_value_is_map(object
)) {
277 fprintf(print_map_value_data
->fp
, "\n");
280 print_value_rec(print_map_value_data
->fp
, object
,
281 print_map_value_data
->indent
+ 2);
286 void print_value_rec(FILE *fp
, struct bt_value
*value
, size_t indent
)
299 switch (bt_value_get_type(value
)) {
300 case BT_VALUE_TYPE_NULL
:
301 fprintf(fp
, "%snull%s\n", bt_common_color_bold(),
302 bt_common_color_reset());
304 case BT_VALUE_TYPE_BOOL
:
305 bt_value_bool_get(value
, &bool_val
);
306 fprintf(fp
, "%s%s%s%s\n", bt_common_color_bold(),
307 bt_common_color_fg_cyan(), bool_val
? "yes" : "no",
308 bt_common_color_reset());
310 case BT_VALUE_TYPE_INTEGER
:
311 bt_value_integer_get(value
, &int_val
);
312 fprintf(fp
, "%s%s%" PRId64
"%s\n", bt_common_color_bold(),
313 bt_common_color_fg_red(), int_val
,
314 bt_common_color_reset());
316 case BT_VALUE_TYPE_FLOAT
:
317 bt_value_float_get(value
, &dbl_val
);
318 fprintf(fp
, "%s%s%lf%s\n", bt_common_color_bold(),
319 bt_common_color_fg_red(), dbl_val
,
320 bt_common_color_reset());
322 case BT_VALUE_TYPE_STRING
:
323 bt_value_string_get(value
, &str_val
);
324 fprintf(fp
, "%s%s%s%s\n", bt_common_color_bold(),
325 bt_common_color_fg_green(), str_val
,
326 bt_common_color_reset());
328 case BT_VALUE_TYPE_ARRAY
:
329 size
= bt_value_array_size(value
);
333 print_indent(fp
, indent
);
334 fprintf(fp
, "[ ]\n");
338 for (i
= 0; i
< size
; i
++) {
339 struct bt_value
*element
=
340 bt_value_array_get(value
, i
);
343 print_indent(fp
, indent
);
346 if (bt_value_is_array(element
) &&
347 bt_value_array_is_empty(element
)) {
348 fprintf(fp
, "[ ]\n");
352 if (bt_value_is_map(element
) &&
353 bt_value_map_is_empty(element
)) {
354 fprintf(fp
, "{ }\n");
358 if (bt_value_is_array(element
) ||
359 bt_value_is_map(element
)) {
363 print_value_rec(fp
, element
, indent
+ 2);
367 case BT_VALUE_TYPE_MAP
:
369 struct print_map_value_data data
= {
374 if (bt_value_map_is_empty(value
)) {
375 print_indent(fp
, indent
);
376 fprintf(fp
, "{ }\n");
380 bt_value_map_foreach(value
, print_map_value
, &data
);
389 void print_value(FILE *fp
, struct bt_value
*value
, size_t indent
)
391 if (!bt_value_is_array(value
) && !bt_value_is_map(value
)) {
392 print_indent(fp
, indent
);
395 print_value_rec(fp
, value
, indent
);
399 void print_bt_config_component(struct bt_config_component
*bt_config_component
)
401 fprintf(stderr
, " ");
402 print_plugin_comp_cls_opt(stderr
, bt_config_component
->plugin_name
->str
,
403 bt_config_component
->comp_cls_name
->str
,
404 bt_config_component
->type
);
405 fprintf(stderr
, ":\n");
407 if (bt_config_component
->instance_name
->len
> 0) {
408 fprintf(stderr
, " Name: %s\n",
409 bt_config_component
->instance_name
->str
);
412 fprintf(stderr
, " Parameters:\n");
413 print_value(stderr
, bt_config_component
->params
, 8);
417 void print_bt_config_components(GPtrArray
*array
)
421 for (i
= 0; i
< array
->len
; i
++) {
422 struct bt_config_component
*cfg_component
=
423 bt_config_get_component(array
, i
);
424 print_bt_config_component(cfg_component
);
425 BT_PUT(cfg_component
);
430 void print_plugin_paths(struct bt_value
*plugin_paths
)
432 fprintf(stderr
, " Plugin paths:\n");
433 print_value(stderr
, plugin_paths
, 4);
437 void print_cfg_run(struct bt_config
*cfg
)
441 print_plugin_paths(cfg
->plugin_paths
);
442 fprintf(stderr
, " Source component instances:\n");
443 print_bt_config_components(cfg
->cmd_data
.run
.sources
);
445 if (cfg
->cmd_data
.run
.filters
->len
> 0) {
446 fprintf(stderr
, " Filter component instances:\n");
447 print_bt_config_components(cfg
->cmd_data
.run
.filters
);
450 fprintf(stderr
, " Sink component instances:\n");
451 print_bt_config_components(cfg
->cmd_data
.run
.sinks
);
452 fprintf(stderr
, " Connections:\n");
454 for (i
= 0; i
< cfg
->cmd_data
.run
.connections
->len
; i
++) {
455 struct bt_config_connection
*cfg_connection
=
456 g_ptr_array_index(cfg
->cmd_data
.run
.connections
,
459 fprintf(stderr
, " %s%s%s -> %s%s%s\n",
460 cfg_connection
->upstream_comp_name
->str
,
461 cfg_connection
->upstream_port_glob
->len
> 0 ? "." : "",
462 cfg_connection
->upstream_port_glob
->str
,
463 cfg_connection
->downstream_comp_name
->str
,
464 cfg_connection
->downstream_port_glob
->len
> 0 ? "." : "",
465 cfg_connection
->downstream_port_glob
->str
);
470 void print_cfg_list_plugins(struct bt_config
*cfg
)
472 print_plugin_paths(cfg
->plugin_paths
);
476 void print_cfg_help(struct bt_config
*cfg
)
478 print_plugin_paths(cfg
->plugin_paths
);
482 void print_cfg_print_ctf_metadata(struct bt_config
*cfg
)
484 print_plugin_paths(cfg
->plugin_paths
);
485 fprintf(stderr
, " Path: %s\n",
486 cfg
->cmd_data
.print_ctf_metadata
.path
->str
);
490 void print_cfg_print_lttng_live_sessions(struct bt_config
*cfg
)
492 print_plugin_paths(cfg
->plugin_paths
);
493 fprintf(stderr
, " URL: %s\n",
494 cfg
->cmd_data
.print_lttng_live_sessions
.url
->str
);
498 void print_cfg_query(struct bt_config
*cfg
)
500 print_plugin_paths(cfg
->plugin_paths
);
501 fprintf(stderr
, " Object: `%s`\n", cfg
->cmd_data
.query
.object
->str
);
502 fprintf(stderr
, " Component class:\n");
503 print_bt_config_component(cfg
->cmd_data
.query
.cfg_component
);
507 void print_cfg(struct bt_config
*cfg
)
509 if (!BT_LOG_ON_INFO
) {
513 BT_LOGI_STR("Configuration:");
514 fprintf(stderr
, " Debug mode: %s\n", cfg
->debug
? "yes" : "no");
515 fprintf(stderr
, " Verbose mode: %s\n", cfg
->verbose
? "yes" : "no");
517 switch (cfg
->command
) {
518 case BT_CONFIG_COMMAND_RUN
:
521 case BT_CONFIG_COMMAND_LIST_PLUGINS
:
522 print_cfg_list_plugins(cfg
);
524 case BT_CONFIG_COMMAND_HELP
:
527 case BT_CONFIG_COMMAND_QUERY
:
528 print_cfg_query(cfg
);
530 case BT_CONFIG_COMMAND_PRINT_CTF_METADATA
:
531 print_cfg_print_ctf_metadata(cfg
);
533 case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS
:
534 print_cfg_print_lttng_live_sessions(cfg
);
542 void add_to_loaded_plugins(struct bt_plugin_set
*plugin_set
)
547 count
= bt_plugin_set_get_plugin_count(plugin_set
);
550 for (i
= 0; i
< count
; i
++) {
551 struct bt_plugin
*plugin
=
552 bt_plugin_set_get_plugin(plugin_set
, i
);
553 struct bt_plugin
*loaded_plugin
=
554 find_plugin(bt_plugin_get_name(plugin
));
559 BT_LOGI("Not using plugin: another one already exists with the same name: "
560 "plugin-name=\"%s\", plugin-path=\"%s\", "
561 "existing-plugin-path=\"%s\"",
562 bt_plugin_get_name(plugin
),
563 bt_plugin_get_path(plugin
),
564 bt_plugin_get_path(loaded_plugin
));
565 bt_put(loaded_plugin
);
567 /* Add to global array. */
568 BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"",
569 bt_plugin_get_name(plugin
));
570 g_ptr_array_add(loaded_plugins
, bt_get(plugin
));
578 int load_dynamic_plugins(struct bt_value
*plugin_paths
)
580 int nr_paths
, i
, ret
= 0;
582 nr_paths
= bt_value_array_size(plugin_paths
);
584 BT_LOGE_STR("Cannot load dynamic plugins: no plugin path.");
589 BT_LOGI("Loading dynamic plugins.");
591 for (i
= 0; i
< nr_paths
; i
++) {
592 struct bt_value
*plugin_path_value
= NULL
;
593 const char *plugin_path
;
594 struct bt_plugin_set
*plugin_set
;
596 plugin_path_value
= bt_value_array_get(plugin_paths
, i
);
597 bt_value_string_get(plugin_path_value
, &plugin_path
);
601 * Skip this if the directory does not exist because
602 * bt_plugin_create_all_from_dir() expects an existing
605 if (!g_file_test(plugin_path
, G_FILE_TEST_IS_DIR
)) {
606 BT_LOGV("Skipping nonexistent directory path: "
607 "path=\"%s\"", plugin_path
);
608 BT_PUT(plugin_path_value
);
612 plugin_set
= bt_plugin_create_all_from_dir(plugin_path
, false);
614 BT_LOGD("Unable to load dynamic plugins: path=\"%s\"",
616 BT_PUT(plugin_path_value
);
620 add_to_loaded_plugins(plugin_set
);
622 BT_PUT(plugin_path_value
);
629 int load_static_plugins(void)
632 struct bt_plugin_set
*plugin_set
;
634 BT_LOGI("Loading static plugins.");
635 plugin_set
= bt_plugin_create_all_from_static();
637 BT_LOGE("Unable to load static plugins.");
642 add_to_loaded_plugins(plugin_set
);
649 int load_all_plugins(struct bt_value
*plugin_paths
)
653 if (load_dynamic_plugins(plugin_paths
)) {
658 if (load_static_plugins()) {
663 BT_LOGI("Loaded all plugins: count=%u", loaded_plugins
->len
);
670 void print_plugin_info(struct bt_plugin
*plugin
)
672 unsigned int major
, minor
, patch
;
674 enum bt_plugin_status version_status
;
675 const char *plugin_name
;
679 const char *plugin_description
;
681 plugin_name
= bt_plugin_get_name(plugin
);
682 path
= bt_plugin_get_path(plugin
);
683 author
= bt_plugin_get_author(plugin
);
684 license
= bt_plugin_get_license(plugin
);
685 plugin_description
= bt_plugin_get_description(plugin
);
686 version_status
= bt_plugin_get_version(plugin
, &major
, &minor
,
688 printf("%s%s%s%s:\n", bt_common_color_bold(),
689 bt_common_color_fg_blue(), plugin_name
,
690 bt_common_color_reset());
691 printf(" %sPath%s: %s\n", bt_common_color_bold(),
692 bt_common_color_reset(), path
? path
: "(None)");
694 if (version_status
== BT_PLUGIN_STATUS_OK
) {
695 printf(" %sVersion%s: %u.%u.%u",
696 bt_common_color_bold(), bt_common_color_reset(),
697 major
, minor
, patch
);
706 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
707 bt_common_color_reset(),
708 plugin_description
? plugin_description
: "(None)");
709 printf(" %sAuthor%s: %s\n", bt_common_color_bold(),
710 bt_common_color_reset(), author
? author
: "(Unknown)");
711 printf(" %sLicense%s: %s\n", bt_common_color_bold(),
712 bt_common_color_reset(),
713 license
? license
: "(Unknown)");
717 int cmd_query(struct bt_config
*cfg
)
720 struct bt_component_class
*comp_cls
= NULL
;
721 struct bt_value
*results
= NULL
;
723 comp_cls
= find_component_class(cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
724 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
725 cfg
->cmd_data
.query
.cfg_component
->type
);
727 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
728 "comp-cls-name=\"%s\", comp-cls-type=%d",
729 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
730 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
731 cfg
->cmd_data
.query
.cfg_component
->type
);
732 fprintf(stderr
, "%s%sCannot find component class %s",
733 bt_common_color_bold(),
734 bt_common_color_fg_red(),
735 bt_common_color_reset());
736 print_plugin_comp_cls_opt(stderr
,
737 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
738 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
739 cfg
->cmd_data
.query
.cfg_component
->type
);
740 fprintf(stderr
, "\n");
745 results
= bt_component_class_query(comp_cls
,
746 cfg
->cmd_data
.query
.object
->str
,
747 cfg
->cmd_data
.query
.cfg_component
->params
);
749 BT_LOGE("Failed to query component class: plugin-name=\"%s\", "
750 "comp-cls-name=\"%s\", comp-cls-type=%d "
752 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
753 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
754 cfg
->cmd_data
.query
.cfg_component
->type
,
755 cfg
->cmd_data
.query
.object
->str
);
756 fprintf(stderr
, "%s%sFailed to query info to %s",
757 bt_common_color_bold(),
758 bt_common_color_fg_red(),
759 bt_common_color_reset());
760 print_plugin_comp_cls_opt(stderr
,
761 cfg
->cmd_data
.query
.cfg_component
->plugin_name
->str
,
762 cfg
->cmd_data
.query
.cfg_component
->comp_cls_name
->str
,
763 cfg
->cmd_data
.query
.cfg_component
->type
);
764 fprintf(stderr
, "%s%s with object `%s`%s\n",
765 bt_common_color_bold(),
766 bt_common_color_fg_red(),
767 cfg
->cmd_data
.query
.object
->str
,
768 bt_common_color_reset());
773 print_value(stdout
, results
, 0);
782 int cmd_help(struct bt_config
*cfg
)
785 struct bt_plugin
*plugin
= NULL
;
788 plugin
= find_plugin(cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
);
790 BT_LOGE("Cannot find plugin: plugin-name=\"%s\"",
791 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
);
792 fprintf(stderr
, "%s%sCannot find plugin %s%s%s\n",
793 bt_common_color_bold(), bt_common_color_fg_red(),
794 bt_common_color_fg_blue(),
795 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
796 bt_common_color_reset());
801 print_plugin_info(plugin
);
802 printf(" %sComponent classes%s: %d\n",
803 bt_common_color_bold(),
804 bt_common_color_reset(),
805 (int) bt_plugin_get_component_class_count(plugin
));
808 if (cfg
->cmd_data
.help
.cfg_component
->type
!=
809 BT_COMPONENT_CLASS_TYPE_UNKNOWN
) {
810 struct bt_component_class
*needed_comp_cls
=
811 find_component_class(
812 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
813 cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
814 cfg
->cmd_data
.help
.cfg_component
->type
);
816 if (!needed_comp_cls
) {
817 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
818 "comp-cls-name=\"%s\", comp-cls-type=%d",
819 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
820 cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
821 cfg
->cmd_data
.help
.cfg_component
->type
);
822 fprintf(stderr
, "\n%s%sCannot find component class %s",
823 bt_common_color_bold(),
824 bt_common_color_fg_red(),
825 bt_common_color_reset());
826 print_plugin_comp_cls_opt(stderr
,
827 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
828 cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
829 cfg
->cmd_data
.help
.cfg_component
->type
);
830 fprintf(stderr
, "\n");
835 bt_put(needed_comp_cls
);
838 for (i
= 0; i
< bt_plugin_get_component_class_count(plugin
); i
++) {
839 struct bt_component_class
*comp_cls
=
840 bt_plugin_get_component_class_by_index(plugin
, i
);
841 const char *comp_class_name
=
842 bt_component_class_get_name(comp_cls
);
843 const char *comp_class_description
=
844 bt_component_class_get_description(comp_cls
);
845 const char *comp_class_help
=
846 bt_component_class_get_help(comp_cls
);
847 enum bt_component_class_type type
=
848 bt_component_class_get_type(comp_cls
);
852 if (cfg
->cmd_data
.help
.cfg_component
->type
!=
853 BT_COMPONENT_CLASS_TYPE_UNKNOWN
) {
854 if (strcmp(cfg
->cmd_data
.help
.cfg_component
->comp_cls_name
->str
,
855 comp_class_name
) != 0 &&
857 cfg
->cmd_data
.help
.cfg_component
->type
) {
864 print_plugin_comp_cls_opt(stdout
,
865 cfg
->cmd_data
.help
.cfg_component
->plugin_name
->str
,
869 printf(" %sDescription%s: %s\n", bt_common_color_bold(),
870 bt_common_color_reset(),
871 comp_class_description
? comp_class_description
: "(None)");
873 if (comp_class_help
) {
874 printf("\n%s\n", comp_class_help
);
886 int cmd_list_plugins(struct bt_config
*cfg
)
889 int plugins_count
, component_classes_count
= 0, i
;
891 printf("From the following plugin paths:\n\n");
892 print_value(stdout
, cfg
->plugin_paths
, 2);
894 plugins_count
= loaded_plugins
->len
;
895 if (plugins_count
== 0) {
896 printf("No plugins found.\n");
900 for (i
= 0; i
< plugins_count
; i
++) {
901 struct bt_plugin
*plugin
= g_ptr_array_index(loaded_plugins
, i
);
903 component_classes_count
+= bt_plugin_get_component_class_count(plugin
);
906 printf("Found %s%d%s component classes in %s%d%s plugins.\n",
907 bt_common_color_bold(),
908 component_classes_count
,
909 bt_common_color_reset(),
910 bt_common_color_bold(),
912 bt_common_color_reset());
914 for (i
= 0; i
< plugins_count
; i
++) {
916 struct bt_plugin
*plugin
= g_ptr_array_index(loaded_plugins
, i
);
918 component_classes_count
=
919 bt_plugin_get_component_class_count(plugin
);
921 print_plugin_info(plugin
);
923 if (component_classes_count
== 0) {
924 printf(" %sComponent classes%s: (none)\n",
925 bt_common_color_bold(),
926 bt_common_color_reset());
928 printf(" %sComponent classes%s:\n",
929 bt_common_color_bold(),
930 bt_common_color_reset());
933 for (j
= 0; j
< component_classes_count
; j
++) {
934 struct bt_component_class
*comp_class
=
935 bt_plugin_get_component_class_by_index(
937 const char *comp_class_name
=
938 bt_component_class_get_name(comp_class
);
939 const char *comp_class_description
=
940 bt_component_class_get_description(comp_class
);
941 enum bt_component_class_type type
=
942 bt_component_class_get_type(comp_class
);
945 print_plugin_comp_cls_opt(stdout
,
946 bt_plugin_get_name(plugin
), comp_class_name
,
949 if (comp_class_description
) {
950 printf(": %s", comp_class_description
);
963 int cmd_print_lttng_live_sessions(struct bt_config
*cfg
)
966 struct bt_component_class
*comp_cls
= NULL
;
967 struct bt_value
*results
= NULL
;
968 struct bt_value
*params
= NULL
;
969 struct bt_value
*map
= NULL
;
970 struct bt_value
*v
= NULL
;
971 static const char * const plugin_name
= "ctf";
972 static const char * const comp_cls_name
= "lttng-live";
973 static const enum bt_component_class_type comp_cls_type
=
974 BT_COMPONENT_CLASS_TYPE_SOURCE
;
975 int64_t array_size
, i
;
977 assert(cfg
->cmd_data
.print_lttng_live_sessions
.url
);
978 comp_cls
= find_component_class(plugin_name
, comp_cls_name
,
981 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
982 "comp-cls-name=\"%s\", comp-cls-type=%d",
983 plugin_name
, comp_cls_name
,
984 BT_COMPONENT_CLASS_TYPE_SOURCE
);
985 fprintf(stderr
, "%s%sCannot find component class %s",
986 bt_common_color_bold(),
987 bt_common_color_fg_red(),
988 bt_common_color_reset());
989 print_plugin_comp_cls_opt(stderr
, plugin_name
,
990 comp_cls_name
, comp_cls_type
);
991 fprintf(stderr
, "\n");
995 params
= bt_value_map_create();
1000 ret
= bt_value_map_insert_string(params
, "url",
1001 cfg
->cmd_data
.print_lttng_live_sessions
.url
->str
);
1006 results
= bt_component_class_query(comp_cls
, "sessions",
1009 BT_LOGE_STR("Failed to query for sessions.");
1010 fprintf(stderr
, "%s%sFailed to request sessions%s\n",
1011 bt_common_color_bold(),
1012 bt_common_color_fg_red(),
1013 bt_common_color_reset());
1017 if (!bt_value_is_array(results
)) {
1018 BT_LOGE_STR("Expecting an array for sessions query.");
1019 fprintf(stderr
, "%s%sUnexpected type returned by session query%s\n",
1020 bt_common_color_bold(),
1021 bt_common_color_fg_red(),
1022 bt_common_color_reset());
1026 array_size
= bt_value_array_size(results
);
1027 for (i
= 0; i
< array_size
; i
++) {
1028 const char *url_text
;
1029 int64_t timer_us
, streams
, clients
;
1031 map
= bt_value_array_get(results
, i
);
1033 BT_LOGE_STR("Unexpected empty array entry.");
1036 if (!bt_value_is_map(map
)) {
1037 BT_LOGE_STR("Unexpected entry type.");
1041 v
= bt_value_map_get(map
, "url");
1043 BT_LOGE_STR("Unexpected empty array \"url\" entry.");
1046 ret
= bt_value_string_get(v
, &url_text
);
1048 printf("%s", url_text
);
1051 v
= bt_value_map_get(map
, "timer-us");
1053 BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
1056 ret
= bt_value_integer_get(v
, &timer_us
);
1058 printf(" (timer = %" PRIu64
", ", timer_us
);
1061 v
= bt_value_map_get(map
, "stream-count");
1063 BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
1066 ret
= bt_value_integer_get(v
, &streams
);
1068 printf("%" PRIu64
" stream(s), ", streams
);
1071 v
= bt_value_map_get(map
, "client-count");
1073 BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
1076 ret
= bt_value_integer_get(v
, &clients
);
1078 printf("%" PRIu64
" client(s) connected)\n", clients
);
1097 int cmd_print_ctf_metadata(struct bt_config
*cfg
)
1100 struct bt_component_class
*comp_cls
= NULL
;
1101 struct bt_value
*results
= NULL
;
1102 struct bt_value
*params
= NULL
;
1103 struct bt_value
*metadata_text_value
= NULL
;
1104 const char *metadata_text
= NULL
;
1105 static const char * const plugin_name
= "ctf";
1106 static const char * const comp_cls_name
= "fs";
1107 static const enum bt_component_class_type comp_cls_type
=
1108 BT_COMPONENT_CLASS_TYPE_SOURCE
;
1110 assert(cfg
->cmd_data
.print_ctf_metadata
.path
);
1111 comp_cls
= find_component_class(plugin_name
, comp_cls_name
,
1114 BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
1115 "comp-cls-name=\"%s\", comp-cls-type=%d",
1116 plugin_name
, comp_cls_name
,
1117 BT_COMPONENT_CLASS_TYPE_SOURCE
);
1118 fprintf(stderr
, "%s%sCannot find component class %s",
1119 bt_common_color_bold(),
1120 bt_common_color_fg_red(),
1121 bt_common_color_reset());
1122 print_plugin_comp_cls_opt(stderr
, plugin_name
,
1123 comp_cls_name
, comp_cls_type
);
1124 fprintf(stderr
, "\n");
1129 params
= bt_value_map_create();
1135 ret
= bt_value_map_insert_string(params
, "path",
1136 cfg
->cmd_data
.print_ctf_metadata
.path
->str
);
1142 results
= bt_component_class_query(comp_cls
, "metadata-info",
1146 BT_LOGE_STR("Failed to query for metadata info.");
1147 fprintf(stderr
, "%s%sFailed to request metadata info%s\n",
1148 bt_common_color_bold(),
1149 bt_common_color_fg_red(),
1150 bt_common_color_reset());
1154 metadata_text_value
= bt_value_map_get(results
, "text");
1155 if (!metadata_text_value
) {
1156 BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object.");
1161 ret
= bt_value_string_get(metadata_text_value
, &metadata_text
);
1163 printf("%s\n", metadata_text
);
1168 bt_put(metadata_text_value
);
1174 char *instance_name
;
1178 struct trace_range
{
1179 uint64_t intersection_range_begin_ns
;
1180 uint64_t intersection_range_end_ns
;
1184 guint
port_id_hash(gconstpointer v
)
1186 const struct port_id
*id
= v
;
1188 assert(id
->instance_name
);
1189 assert(id
->port_name
);
1191 return g_str_hash(id
->instance_name
) ^ g_str_hash(id
->port_name
);
1195 gboolean
port_id_equal(gconstpointer v1
, gconstpointer v2
)
1197 const struct port_id
*id1
= v1
;
1198 const struct port_id
*id2
= v2
;
1200 return !strcmp(id1
->instance_name
, id2
->instance_name
) &&
1201 !strcmp(id1
->port_name
, id2
->port_name
);
1205 void port_id_destroy(gpointer data
)
1207 struct port_id
*id
= data
;
1209 free(id
->instance_name
);
1210 free(id
->port_name
);
1215 void trace_range_destroy(gpointer data
)
1220 struct cmd_run_ctx
{
1222 GHashTable
*components
;
1225 struct bt_graph
*graph
;
1228 struct bt_config
*cfg
;
1232 bool stream_intersection_mode
;
1235 * Association of struct port_id -> struct trace_range.
1237 GHashTable
*intersections
;
1240 /* Returns a timestamp of the form "(-)s.ns" */
1242 char *s_from_ns(int64_t ns
)
1247 int64_t ts_sec_abs
, ts_nsec_abs
;
1248 int64_t ts_sec
= ns
/ NSEC_PER_SEC
;
1249 int64_t ts_nsec
= ns
% NSEC_PER_SEC
;
1251 if (ts_sec
>= 0 && ts_nsec
>= 0) {
1252 is_negative
= false;
1253 ts_sec_abs
= ts_sec
;
1254 ts_nsec_abs
= ts_nsec
;
1255 } else if (ts_sec
> 0 && ts_nsec
< 0) {
1256 is_negative
= false;
1257 ts_sec_abs
= ts_sec
- 1;
1258 ts_nsec_abs
= NSEC_PER_SEC
+ ts_nsec
;
1259 } else if (ts_sec
== 0 && ts_nsec
< 0) {
1261 ts_sec_abs
= ts_sec
;
1262 ts_nsec_abs
= -ts_nsec
;
1263 } else if (ts_sec
< 0 && ts_nsec
> 0) {
1265 ts_sec_abs
= -(ts_sec
+ 1);
1266 ts_nsec_abs
= NSEC_PER_SEC
- ts_nsec
;
1267 } else if (ts_sec
< 0 && ts_nsec
== 0) {
1269 ts_sec_abs
= -ts_sec
;
1270 ts_nsec_abs
= ts_nsec
;
1271 } else { /* (ts_sec < 0 && ts_nsec < 0) */
1273 ts_sec_abs
= -ts_sec
;
1274 ts_nsec_abs
= -ts_nsec
;
1277 ret
= asprintf(&s_ret
, "%s%" PRId64
".%09" PRId64
,
1278 is_negative
? "-" : "", ts_sec_abs
, ts_nsec_abs
);
1286 int cmd_run_ctx_connect_upstream_port_to_downstream_component(
1287 struct cmd_run_ctx
*ctx
, struct bt_component
*upstream_comp
,
1288 struct bt_port
*upstream_port
,
1289 struct bt_config_connection
*cfg_conn
)
1292 GQuark downstreamp_comp_name_quark
;
1293 struct bt_component
*downstream_comp
;
1294 int64_t downstream_port_count
;
1296 int64_t (*port_count_fn
)(struct bt_component
*);
1297 struct bt_port
*(*port_by_index_fn
)(struct bt_component
*, uint64_t);
1298 enum bt_graph_status status
= BT_GRAPH_STATUS_ERROR
;
1299 bool insert_trimmer
= false;
1300 struct bt_value
*trimmer_params
= NULL
;
1301 char *intersection_begin
= NULL
;
1302 char *intersection_end
= NULL
;
1303 struct bt_component
*trimmer
= NULL
;
1304 struct bt_component_class
*trimmer_class
= NULL
;
1305 struct bt_port
*trimmer_input
= NULL
;
1306 struct bt_port
*trimmer_output
= NULL
;
1308 if (ctx
->intersections
&&
1309 bt_component_get_class_type(upstream_comp
) ==
1310 BT_COMPONENT_CLASS_TYPE_SOURCE
) {
1311 struct trace_range
*range
;
1312 struct port_id port_id
= {
1313 .instance_name
= (char *) bt_component_get_name(upstream_comp
),
1314 .port_name
= (char *) bt_port_get_name(upstream_port
)
1317 if (!port_id
.instance_name
|| !port_id
.port_name
) {
1321 range
= (struct trace_range
*) g_hash_table_lookup(
1322 ctx
->intersections
, &port_id
);
1324 enum bt_value_status status
;
1326 intersection_begin
= s_from_ns(
1327 range
->intersection_range_begin_ns
);
1328 intersection_end
= s_from_ns(
1329 range
->intersection_range_end_ns
);
1330 if (!intersection_begin
|| !intersection_end
) {
1331 BT_LOGE_STR("Cannot create trimmer argument timestamp string.");
1335 insert_trimmer
= true;
1336 trimmer_params
= bt_value_map_create();
1337 if (!trimmer_params
) {
1341 status
= bt_value_map_insert_string(trimmer_params
,
1342 "begin", intersection_begin
);
1343 if (status
!= BT_VALUE_STATUS_OK
) {
1346 status
= bt_value_map_insert_string(trimmer_params
,
1347 "end", intersection_end
);
1348 if (status
!= BT_VALUE_STATUS_OK
) {
1353 trimmer_class
= find_component_class("utils", "trimmer",
1354 BT_COMPONENT_CLASS_TYPE_FILTER
);
1355 if (!trimmer_class
) {
1360 BT_LOGI("Connecting upstream port to the next available downstream port: "
1361 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1362 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1363 upstream_port
, bt_port_get_name(upstream_port
),
1364 cfg_conn
->downstream_comp_name
->str
,
1365 cfg_conn
->arg
->str
);
1366 downstreamp_comp_name_quark
= g_quark_from_string(
1367 cfg_conn
->downstream_comp_name
->str
);
1368 assert(downstreamp_comp_name_quark
> 0);
1369 downstream_comp
= g_hash_table_lookup(ctx
->components
,
1370 GUINT_TO_POINTER(downstreamp_comp_name_quark
));
1371 if (!downstream_comp
) {
1372 BT_LOGE("Cannot find downstream component: comp-name=\"%s\", "
1373 "conn-arg=\"%s\"", cfg_conn
->downstream_comp_name
->str
,
1374 cfg_conn
->arg
->str
);
1375 fprintf(stderr
, "Cannot create connection: cannot find downstream component: %s\n",
1376 cfg_conn
->arg
->str
);
1380 if (bt_component_is_filter(downstream_comp
)) {
1381 port_count_fn
= bt_component_filter_get_input_port_count
;
1382 port_by_index_fn
= bt_component_filter_get_input_port_by_index
;
1383 } else if (bt_component_is_sink(downstream_comp
)) {
1384 port_count_fn
= bt_component_sink_get_input_port_count
;
1385 port_by_index_fn
= bt_component_sink_get_input_port_by_index
;
1388 * Should never happen because the connections are
1389 * validated before we get here.
1391 BT_LOGF("Invalid connection: downstream component is a source: "
1392 "conn-arg=\"%s\"", cfg_conn
->arg
->str
);
1396 downstream_port_count
= port_count_fn(downstream_comp
);
1397 assert(downstream_port_count
>= 0);
1399 for (i
= 0; i
< downstream_port_count
; i
++) {
1400 struct bt_port
*downstream_port
=
1401 port_by_index_fn(downstream_comp
, i
);
1402 const char *upstream_port_name
;
1403 const char *downstream_port_name
;
1405 assert(downstream_port
);
1407 /* Skip port if it's already connected. */
1408 if (bt_port_is_connected(downstream_port
)) {
1409 bt_put(downstream_port
);
1410 BT_LOGD("Skipping downstream port: already connected: "
1411 "port-addr=%p, port-name=\"%s\"",
1413 bt_port_get_name(downstream_port
));
1417 downstream_port_name
= bt_port_get_name(downstream_port
);
1418 assert(downstream_port_name
);
1419 upstream_port_name
= bt_port_get_name(upstream_port
);
1420 assert(upstream_port_name
);
1422 if (!bt_common_star_glob_match(
1423 cfg_conn
->downstream_port_glob
->str
, -1ULL,
1424 downstream_port_name
, -1ULL)) {
1425 bt_put(downstream_port
);
1429 if (insert_trimmer
) {
1431 * In order to insert the trimmer between the two
1432 * components that were being connected, we create
1433 * a connection configuration entry which describes
1434 * a connection from the trimmer's output to the
1435 * original input that was being connected.
1437 * Hence, the creation of the trimmer will cause the
1438 * graph "new port" listener to establish all downstream
1439 * connections as its output port is connected. We will
1440 * then establish the connection between the original
1441 * upstream source and the trimmer.
1443 char *trimmer_name
= NULL
;
1444 enum bt_graph_status graph_status
;
1446 ret
= asprintf(&trimmer_name
, "%s-%s",
1447 "stream-intersection-trimmer",
1448 upstream_port_name
);
1454 ctx
->connect_ports
= false;
1455 graph_status
= bt_graph_add_component(ctx
->graph
,
1456 trimmer_class
, trimmer_name
, trimmer_params
,
1459 if (graph_status
!= BT_GRAPH_STATUS_OK
) {
1465 bt_component_filter_get_input_port_by_index(
1467 if (!trimmer_input
) {
1471 bt_component_filter_get_output_port_by_index(
1473 if (!trimmer_output
) {
1478 * Replace the current downstream port by the trimmer's
1481 BT_MOVE(downstream_port
, trimmer_input
);
1482 downstream_port_name
= bt_port_get_name(
1484 if (!downstream_port_name
) {
1489 /* We have a winner! */
1490 status
= bt_graph_connect_ports(ctx
->graph
,
1491 upstream_port
, downstream_port
, NULL
);
1492 BT_PUT(downstream_port
);
1494 case BT_GRAPH_STATUS_OK
:
1496 case BT_GRAPH_STATUS_CANCELED
:
1497 BT_LOGI_STR("Graph was canceled by user.");
1498 status
= BT_GRAPH_STATUS_OK
;
1500 case BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION
:
1501 BT_LOGE("A component refused a connection to one of its ports: "
1502 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1503 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1504 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1505 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1507 upstream_comp
, bt_component_get_name(upstream_comp
),
1508 upstream_port
, bt_port_get_name(upstream_port
),
1509 downstream_comp
, cfg_conn
->downstream_comp_name
->str
,
1510 downstream_port
, downstream_port_name
,
1511 cfg_conn
->arg
->str
);
1513 "A component refused a connection to one of its ports (`%s` to `%s`): %s\n",
1514 bt_port_get_name(upstream_port
),
1515 downstream_port_name
,
1516 cfg_conn
->arg
->str
);
1519 BT_LOGE("Cannot create connection: graph refuses to connect ports: "
1520 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1521 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1522 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1523 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1525 upstream_comp
, bt_component_get_name(upstream_comp
),
1526 upstream_port
, bt_port_get_name(upstream_port
),
1527 downstream_comp
, cfg_conn
->downstream_comp_name
->str
,
1528 downstream_port
, downstream_port_name
,
1529 cfg_conn
->arg
->str
);
1531 "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n",
1532 bt_port_get_name(upstream_port
),
1533 downstream_port_name
,
1534 cfg_conn
->arg
->str
);
1538 BT_LOGI("Connected component ports: "
1539 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1540 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1541 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1542 "downstream-port-addr=%p, downstream-port-name=\"%s\", "
1544 upstream_comp
, bt_component_get_name(upstream_comp
),
1545 upstream_port
, bt_port_get_name(upstream_port
),
1546 downstream_comp
, cfg_conn
->downstream_comp_name
->str
,
1547 downstream_port
, downstream_port_name
,
1548 cfg_conn
->arg
->str
);
1550 if (insert_trimmer
) {
1552 * The first connection, from the source to the trimmer,
1553 * has been done. We now connect the trimmer to the
1554 * original downstream port.
1556 ret
= cmd_run_ctx_connect_upstream_port_to_downstream_component(
1557 ctx
, trimmer
, trimmer_output
, cfg_conn
);
1561 ctx
->connect_ports
= true;
1566 if (status
!= BT_GRAPH_STATUS_OK
) {
1567 BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: "
1568 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1569 "downstream-comp-name=\"%s\", conn-arg=\"%s\"",
1570 upstream_port
, bt_port_get_name(upstream_port
),
1571 cfg_conn
->downstream_comp_name
->str
,
1572 cfg_conn
->arg
->str
);
1574 "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n",
1575 bt_port_get_name(upstream_port
), cfg_conn
->arg
->str
);
1585 free(intersection_begin
);
1586 free(intersection_end
);
1587 BT_PUT(trimmer_params
);
1588 BT_PUT(trimmer_class
);
1590 BT_PUT(trimmer_input
);
1591 BT_PUT(trimmer_output
);
1596 int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx
*ctx
,
1597 struct bt_port
*upstream_port
)
1600 const char *upstream_port_name
;
1601 const char *upstream_comp_name
;
1602 struct bt_component
*upstream_comp
= NULL
;
1606 assert(upstream_port
);
1607 upstream_port_name
= bt_port_get_name(upstream_port
);
1608 assert(upstream_port_name
);
1609 upstream_comp
= bt_port_get_component(upstream_port
);
1610 if (!upstream_comp
) {
1611 BT_LOGW("Upstream port to connect is not part of a component: "
1612 "port-addr=%p, port-name=\"%s\"",
1613 upstream_port
, upstream_port_name
);
1618 upstream_comp_name
= bt_component_get_name(upstream_comp
);
1619 assert(upstream_comp_name
);
1620 BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", "
1621 "port-addr=%p, port-name=\"%s\"",
1622 upstream_comp
, upstream_comp_name
,
1623 upstream_port
, upstream_port_name
);
1625 for (i
= 0; i
< ctx
->cfg
->cmd_data
.run
.connections
->len
; i
++) {
1626 struct bt_config_connection
*cfg_conn
=
1628 ctx
->cfg
->cmd_data
.run
.connections
, i
);
1630 if (strcmp(cfg_conn
->upstream_comp_name
->str
,
1631 upstream_comp_name
)) {
1635 if (!bt_common_star_glob_match(
1636 cfg_conn
->upstream_port_glob
->str
,
1637 -1ULL, upstream_port_name
, -1ULL)) {
1641 ret
= cmd_run_ctx_connect_upstream_port_to_downstream_component(
1642 ctx
, upstream_comp
, upstream_port
, cfg_conn
);
1644 BT_LOGE("Cannot connect upstream port: "
1645 "port-addr=%p, port-name=\"%s\"",
1647 upstream_port_name
);
1649 "Cannot connect port `%s` of component `%s` to a downstream port: %s\n",
1652 cfg_conn
->arg
->str
);
1658 BT_LOGE("Cannot connect upstream port: port does not match any connection argument: "
1659 "port-addr=%p, port-name=\"%s\"", upstream_port
,
1660 upstream_port_name
);
1662 "Cannot create connection: upstream port `%s` does not match any connection\n",
1663 upstream_port_name
);
1669 bt_put(upstream_comp
);
1674 void graph_port_added_listener(struct bt_port
*port
, void *data
)
1676 struct bt_component
*comp
= NULL
;
1677 struct cmd_run_ctx
*ctx
= data
;
1679 comp
= bt_port_get_component(port
);
1680 BT_LOGI("Port added to a graph's component: comp-addr=%p, "
1681 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1682 comp
, comp
? bt_component_get_name(comp
) : "",
1683 port
, bt_port_get_name(port
));
1685 if (!ctx
->connect_ports
) {
1690 BT_LOGW_STR("Port has no component.");
1694 if (bt_port_is_connected(port
)) {
1695 BT_LOGW_STR("Port is already connected.");
1699 if (!bt_port_is_output(port
)) {
1700 BT_LOGI_STR("Skipping input port.");
1704 if (cmd_run_ctx_connect_upstream_port(ctx
, port
)) {
1705 BT_LOGF_STR("Cannot connect upstream port.");
1706 fprintf(stderr
, "Added port could not be connected: aborting\n");
1716 void graph_port_removed_listener(struct bt_component
*component
,
1717 struct bt_port
*port
, void *data
)
1719 BT_LOGI("Port removed from a graph's component: comp-addr=%p, "
1720 "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
1721 component
, bt_component_get_name(component
),
1722 port
, bt_port_get_name(port
));
1726 void graph_ports_connected_listener(struct bt_port
*upstream_port
,
1727 struct bt_port
*downstream_port
, void *data
)
1729 struct bt_component
*upstream_comp
= bt_port_get_component(upstream_port
);
1730 struct bt_component
*downstream_comp
= bt_port_get_component(downstream_port
);
1732 assert(upstream_comp
);
1733 assert(downstream_comp
);
1734 BT_LOGI("Graph's component ports connected: "
1735 "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
1736 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1737 "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
1738 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1739 upstream_comp
, bt_component_get_name(upstream_comp
),
1740 upstream_port
, bt_port_get_name(upstream_port
),
1741 downstream_comp
, bt_component_get_name(downstream_comp
),
1742 downstream_port
, bt_port_get_name(downstream_port
));
1743 bt_put(upstream_comp
);
1744 bt_put(downstream_comp
);
1748 void graph_ports_disconnected_listener(
1749 struct bt_component
*upstream_component
,
1750 struct bt_component
*downstream_component
,
1751 struct bt_port
*upstream_port
, struct bt_port
*downstream_port
,
1754 BT_LOGI("Graph's component ports disconnected: "
1755 "upstream-port-addr=%p, upstream-port-name=\"%s\", "
1756 "downstream-port-addr=%p, downstream-port-name=\"%s\"",
1757 upstream_port
, bt_port_get_name(upstream_port
),
1758 downstream_port
, bt_port_get_name(downstream_port
));
1762 void cmd_run_ctx_destroy(struct cmd_run_ctx
*ctx
)
1768 if (ctx
->components
) {
1769 g_hash_table_destroy(ctx
->components
);
1770 ctx
->components
= NULL
;
1773 if (ctx
->intersections
) {
1774 g_hash_table_destroy(ctx
->intersections
);
1775 ctx
->intersections
= NULL
;
1784 int cmd_run_ctx_init(struct cmd_run_ctx
*ctx
, struct bt_config
*cfg
)
1789 ctx
->connect_ports
= false;
1790 ctx
->components
= g_hash_table_new_full(g_direct_hash
, g_direct_equal
,
1792 if (!ctx
->components
) {
1796 if (cfg
->cmd_data
.run
.stream_intersection_mode
) {
1797 ctx
->stream_intersection_mode
= true;
1798 ctx
->intersections
= g_hash_table_new_full(port_id_hash
,
1799 port_id_equal
, port_id_destroy
, trace_range_destroy
);
1800 if (!ctx
->intersections
) {
1805 ctx
->graph
= bt_graph_create();
1810 the_graph
= ctx
->graph
;
1811 ret
= bt_graph_add_port_added_listener(ctx
->graph
,
1812 graph_port_added_listener
, ctx
);
1814 BT_LOGE_STR("Cannot add \"port added\" listener to graph.");
1818 ret
= bt_graph_add_port_removed_listener(ctx
->graph
,
1819 graph_port_removed_listener
, ctx
);
1821 BT_LOGE_STR("Cannot add \"port removed\" listener to graph.");
1825 ret
= bt_graph_add_ports_connected_listener(ctx
->graph
,
1826 graph_ports_connected_listener
, ctx
);
1828 BT_LOGE_STR("Cannot add \"ports connected\" listener to graph.");
1832 ret
= bt_graph_add_ports_disconnected_listener(ctx
->graph
,
1833 graph_ports_disconnected_listener
, ctx
);
1835 BT_LOGE_STR("Cannot add \"ports disconnected\" listener to graph.");
1842 cmd_run_ctx_destroy(ctx
);
1850 int set_stream_intersections(struct cmd_run_ctx
*ctx
,
1851 struct bt_config_component
*cfg_comp
,
1852 struct bt_component_class
*comp_cls
)
1856 int64_t trace_count
;
1857 enum bt_value_status value_status
;
1858 const char *path
= NULL
;
1859 struct bt_value
*component_path_value
= NULL
;
1860 struct bt_value
*query_params
= NULL
;
1861 struct bt_value
*query_result
= NULL
;
1862 struct bt_value
*trace_info
= NULL
;
1863 struct bt_value
*intersection_range
= NULL
;
1864 struct bt_value
*intersection_begin
= NULL
;
1865 struct bt_value
*intersection_end
= NULL
;
1866 struct bt_value
*stream_path_value
= NULL
;
1867 struct bt_value
*stream_paths
= NULL
;
1868 struct bt_value
*stream_infos
= NULL
;
1869 struct bt_value
*stream_info
= NULL
;
1870 struct port_id
*port_id
= NULL
;
1871 struct trace_range
*trace_range
= NULL
;
1873 component_path_value
= bt_value_map_get(cfg_comp
->params
, "path");
1874 if (!bt_value_is_string(component_path_value
)) {
1875 BT_LOGD("Cannot get path parameter: component-name=%s",
1876 cfg_comp
->instance_name
->str
);
1881 value_status
= bt_value_string_get(component_path_value
, &path
);
1882 if (value_status
!= BT_VALUE_STATUS_OK
) {
1883 BT_LOGD("Cannot get path string value: component-name=%s",
1884 cfg_comp
->instance_name
->str
);
1889 query_params
= bt_value_map_create();
1890 if (!query_params
) {
1891 BT_LOGE_STR("Cannot create query parameters.");
1896 value_status
= bt_value_map_insert(query_params
, "path", component_path_value
);
1897 if (value_status
!= BT_VALUE_STATUS_OK
) {
1898 BT_LOGE_STR("Cannot insert path parameter in query paramater map.");
1903 query_result
= bt_component_class_query(comp_cls
, "trace-info",
1905 if (!query_result
) {
1906 BT_LOGD("Component class \'%s\' does not support the \'trace-info\' query.",
1907 bt_component_class_get_name(comp_cls
));
1912 if (!bt_value_is_array(query_result
)) {
1913 BT_LOGD("Unexpected format of \'trace-info\' query result: "
1914 "component-class-name=%s",
1915 bt_component_class_get_name(comp_cls
));
1920 trace_count
= bt_value_array_size(query_result
);
1921 if (trace_count
< 0) {
1926 for (trace_idx
= 0; trace_idx
< trace_count
; trace_idx
++) {
1928 uint64_t stream_idx
;
1929 int64_t stream_count
;
1931 trace_info
= bt_value_array_get(query_result
, trace_idx
);
1932 if (!trace_info
|| !bt_value_is_map(trace_info
)) {
1934 BT_LOGD_STR("Cannot retrieve trace from query result.");
1938 intersection_range
= bt_value_map_get(trace_info
,
1939 "intersection-range-ns");
1940 if (!intersection_range
) {
1942 BT_LOGD_STR("Cannot retrieve \'intersetion-range-ns\' field from query result.");
1946 intersection_begin
= bt_value_map_get(intersection_range
,
1948 if (!intersection_begin
) {
1950 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'begin\' field from query result.");
1954 intersection_end
= bt_value_map_get(intersection_range
,
1956 if (!intersection_end
) {
1958 BT_LOGD_STR("Cannot retrieve intersection-range-ns \'end\' field from query result.");
1962 value_status
= bt_value_integer_get(intersection_begin
, &begin
);
1963 if (value_status
!= BT_VALUE_STATUS_OK
) {
1965 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'begin\' field from query result.");
1969 value_status
= bt_value_integer_get(intersection_end
, &end
);
1970 if (value_status
!= BT_VALUE_STATUS_OK
) {
1972 BT_LOGD_STR("Cannot retrieve value of intersection-range-ns \'end\' field from query result.");
1976 if (begin
< 0 || end
< 0 || end
< begin
) {
1977 BT_LOGW("Invalid trace stream intersection values: "
1978 "intersection-range-ns:begin=%" PRId64
1979 ", intersection-range-ns:end=%" PRId64
,
1985 stream_infos
= bt_value_map_get(trace_info
, "streams");
1986 if (!stream_infos
|| !bt_value_is_array(stream_infos
)) {
1988 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
1992 stream_count
= bt_value_array_size(stream_infos
);
1993 if (stream_count
< 0) {
2001 * The first path of a stream's "paths" is currently used to
2002 * associate streams/ports to a given trace intersection.
2004 * This is a fragile hack as it relies on the port names
2005 * being set to the various streams path.
2007 * A stream name should be introduced as part of the trace-info
2010 for (stream_idx
= 0; stream_idx
< stream_count
; stream_idx
++) {
2011 const char *stream_path
;
2014 port_id
= g_new0(struct port_id
, 1);
2017 BT_LOGE_STR("Cannot allocate memory for port_id structure.");
2020 port_id
->instance_name
= strdup(cfg_comp
->instance_name
->str
);
2021 if (!port_id
->instance_name
) {
2023 BT_LOGE_STR("Cannot allocate memory for port_id component instance name.");
2027 trace_range
= g_new0(struct trace_range
, 1);
2030 BT_LOGE_STR("Cannot allocate memory for trace_range structure.");
2033 trace_range
->intersection_range_begin_ns
= begin
;
2034 trace_range
->intersection_range_end_ns
= end
;
2036 stream_info
= bt_value_array_get(stream_infos
,
2038 if (!stream_info
|| !bt_value_is_map(stream_info
)) {
2040 BT_LOGD_STR("Cannot retrieve stream informations from trace in query result.");
2044 stream_paths
= bt_value_map_get(stream_info
, "paths");
2045 if (!stream_paths
|| !bt_value_is_array(stream_paths
)) {
2047 BT_LOGD_STR("Cannot retrieve stream paths from trace in query result.");
2051 stream_path_value
= bt_value_array_get(stream_paths
, 0);
2052 if (!stream_path_value
||
2053 !bt_value_is_string(stream_path_value
)) {
2055 BT_LOGD_STR("Cannot retrieve stream path value from trace in query result.");
2059 value_status
= bt_value_string_get(stream_path_value
,
2061 if (value_status
!= BT_VALUE_STATUS_OK
) {
2066 port_id
->port_name
= strdup(stream_path
);
2067 if (!port_id
->port_name
) {
2069 BT_LOGE_STR("Cannot allocate memory for port_id port_name.");
2073 BT_LOGD("Inserting stream intersection ");
2075 hash_ret
= g_hash_table_insert(ctx
->intersections
,
2076 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 setenv(*env_var_name
, "I", 1);
2579 } else if (cfg
->debug
) {
2580 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 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;