return strcmp(name_a, name_b);
}
-int cmd_list_triggers(int argc, const char **argv)
+static int print_sorted_triggers(const struct lttng_triggers *triggers)
{
int ret;
- struct argpar_parse_ret argpar_parse_ret = {};
- struct lttng_triggers *triggers = NULL;
int i;
struct lttng_dynamic_pointer_array sorted_triggers;
enum lttng_trigger_status trigger_status;
lttng_dynamic_pointer_array_init(&sorted_triggers, NULL);
+ trigger_status = lttng_triggers_get_count(triggers, &num_triggers);
+ if (trigger_status != LTTNG_TRIGGER_STATUS_OK) {
+ ERR("Failed to get trigger count.");
+ goto error;
+ }
+
+ for (i = 0; i < num_triggers; i++) {
+ int add_ret;
+ const char *unused_name;
+ const struct lttng_trigger *trigger =
+ lttng_triggers_get_at_index(triggers, i);
+
+ trigger_status = lttng_trigger_get_name(trigger, &unused_name);
+ switch (trigger_status) {
+ case LTTNG_TRIGGER_STATUS_OK:
+ break;
+ case LTTNG_TRIGGER_STATUS_UNSET:
+ /* Don't list anonymous triggers. */
+ continue;
+ default:
+ abort();
+ }
+
+ add_ret = lttng_dynamic_pointer_array_add_pointer(
+ &sorted_triggers, (void *) trigger);
+ if (add_ret) {
+ ERR("Failed to allocate array of struct lttng_trigger *.");
+ goto error;
+ }
+ }
+
+ qsort(sorted_triggers.array.buffer.data, num_triggers,
+ sizeof(struct lttng_trigger *),
+ compare_triggers_by_name);
+
+ for (i = 0; i < num_triggers; i++) {
+ const struct lttng_trigger *trigger_to_print =
+ (const struct lttng_trigger *)
+ lttng_dynamic_pointer_array_get_pointer(
+ &sorted_triggers, i);
+
+ print_one_trigger(trigger_to_print);
+ }
+
+ ret = 0;
+ goto end;
+error:
+ ret = 1;
+
+end:
+ lttng_dynamic_pointer_array_reset(&sorted_triggers);
+ return ret;
+}
+
+static enum lttng_error_code mi_error_query_trigger_callback(
+ const struct lttng_trigger *trigger,
+ struct lttng_error_query_results **results)
+{
+ enum lttng_error_code ret_code;
+ struct lttng_error_query *query =
+ lttng_error_query_trigger_create(trigger);
+
+ assert(results);
+ assert(query);
+
+ ret_code = lttng_error_query_execute(
+ query, lttng_session_daemon_command_endpoint, results);
+ if (ret_code != LTTNG_OK) {
+ enum lttng_trigger_status trigger_status;
+ const char *trigger_name;
+ uid_t trigger_uid;
+
+ trigger_status = lttng_trigger_get_name(trigger, &trigger_name);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ trigger_status = lttng_trigger_get_owner_uid(
+ trigger, &trigger_uid);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ ERR("Failed to query errors of trigger '%s' (owner uid: %d): %s",
+ trigger_name, (int) trigger_uid,
+ lttng_strerror(-ret_code));
+ }
+
+ return ret_code;
+}
+
+static enum lttng_error_code mi_error_query_action_callback(
+ const struct lttng_trigger *trigger,
+ const struct lttng_action_path *action_path,
+ struct lttng_error_query_results **results)
+{
+ enum lttng_error_code ret_code;
+ struct lttng_error_query *query =
+ lttng_error_query_action_create(trigger, action_path);
+
+ assert(results);
+ assert(query);
+
+ ret_code = lttng_error_query_execute(
+ query, lttng_session_daemon_command_endpoint, results);
+ if (ret_code != LTTNG_OK) {
+ enum lttng_trigger_status trigger_status;
+ const char *trigger_name;
+ uid_t trigger_uid;
+
+ trigger_status = lttng_trigger_get_name(trigger, &trigger_name);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ trigger_status = lttng_trigger_get_owner_uid(
+ trigger, &trigger_uid);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ ERR("Failed to query errors of an action for trigger '%s' (owner uid: %d): %s",
+ trigger_name, (int) trigger_uid,
+ lttng_strerror(-ret_code));
+ }
+ return ret_code;
+}
+
+static enum lttng_error_code mi_error_query_condition_callback(
+ const struct lttng_trigger *trigger,
+ struct lttng_error_query_results **results)
+{
+ enum lttng_error_code ret_code;
+ struct lttng_error_query *query =
+ lttng_error_query_condition_create(trigger);
+
+ assert(results);
+ assert(query);
+
+ ret_code = lttng_error_query_execute(
+ query, lttng_session_daemon_command_endpoint, results);
+ if (ret_code != LTTNG_OK) {
+ enum lttng_trigger_status trigger_status;
+ const char *trigger_name;
+ uid_t trigger_uid;
+
+ trigger_status = lttng_trigger_get_name(trigger, &trigger_name);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ trigger_status = lttng_trigger_get_owner_uid(
+ trigger, &trigger_uid);
+ assert(trigger_status == LTTNG_TRIGGER_STATUS_OK);
+
+ ERR("Failed to query errors of of condition for condition of trigger '%s' (owner uid: %d): %s",
+ trigger_name, (int) trigger_uid,
+ lttng_strerror(-ret_code));
+ }
+
+ return ret_code;
+}
+int cmd_list_triggers(int argc, const char **argv)
+{
+ int ret;
+ struct argpar_parse_ret argpar_parse_ret = {};
+ struct lttng_triggers *triggers = NULL;
+ int i;
+ struct mi_writer *mi_writer = NULL;
+
argpar_parse_ret = argpar_parse(
argc - 1, argv + 1, list_trigger_options, true);
if (!argpar_parse_ret.items) {
goto end;
case OPT_LIST_OPTIONS:
- list_cmd_options_argpar(stdout,
- list_trigger_options);
+ list_cmd_options_argpar(
+ stdout, list_trigger_options);
ret = 0;
goto end;
goto error;
}
- trigger_status = lttng_triggers_get_count(triggers, &num_triggers);
- if (trigger_status != LTTNG_TRIGGER_STATUS_OK) {
- ERR("Failed to get trigger count.");
- goto error;
- }
-
- for (i = 0; i < num_triggers; i++) {
- int add_ret;
- const char *unused_name;
- const struct lttng_trigger *trigger =
- lttng_triggers_get_at_index(triggers, i);
+ if (lttng_opt_mi) {
+ mi_writer = mi_lttng_writer_create(
+ fileno(stdout), lttng_opt_mi);
+ if (!mi_writer) {
+ ret = CMD_ERROR;
+ goto end;
+ }
- trigger_status = lttng_trigger_get_name(trigger, &unused_name);
- switch (trigger_status) {
- case LTTNG_TRIGGER_STATUS_OK:
- break;
- case LTTNG_TRIGGER_STATUS_UNSET:
- /* Don't list anonymous triggers. */
- continue;
- default:
- abort();
+ /* Open command element. */
+ ret = mi_lttng_writer_command_open(mi_writer,
+ mi_lttng_element_command_list_trigger);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
}
- add_ret = lttng_dynamic_pointer_array_add_pointer(
- &sorted_triggers, (void *) trigger);
+ /* Open output element. */
+ ret = mi_lttng_writer_open_element(
+ mi_writer, mi_lttng_element_command_output);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
+ }
- if (add_ret) {
- ERR("Failed to allocate array of struct lttng_trigger *.");
+ if (lttng_opt_mi) {
+ const struct mi_lttng_error_query_callbacks callbacks = {
+ .trigger_cb = mi_error_query_trigger_callback,
+ .action_cb = mi_error_query_action_callback,
+ .condition_cb = mi_error_query_condition_callback,
+ };
+
+ ret = lttng_triggers_mi_serialize(
+ triggers, mi_writer, &callbacks);
+ if (ret != LTTNG_OK) {
+ ERR("Error printing MI triggers: %s.",
+ lttng_strerror(-ret));
+ goto error;
+ }
+ } else {
+ ret = print_sorted_triggers(triggers);
+ if (ret) {
+ ERR("Error printing triggers");
goto error;
}
}
- qsort(sorted_triggers.array.buffer.data, num_triggers,
- sizeof(struct lttng_trigger *),
- compare_triggers_by_name);
-
- for (i = 0; i < num_triggers; i++) {
- const struct lttng_trigger *trigger_to_print =
- (const struct lttng_trigger *)
- lttng_dynamic_pointer_array_get_pointer(
- &sorted_triggers, i);
+ /* Mi closing. */
+ if (lttng_opt_mi) {
+ /* Close output element. */
+ ret = mi_lttng_writer_close_element(mi_writer);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
- print_one_trigger(trigger_to_print);
+ /* Command element close. */
+ ret = mi_lttng_writer_command_close(mi_writer);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto end;
+ }
}
ret = 0;
end:
argpar_parse_ret_fini(&argpar_parse_ret);
lttng_triggers_destroy(triggers);
- lttng_dynamic_pointer_array_reset(&sorted_triggers);
-
+ /* Mi clean-up. */
+ if (mi_writer && mi_lttng_writer_destroy(mi_writer)) {
+ /* Preserve original error code. */
+ ret = ret ? ret : CMD_ERROR;
+ }
return ret;
}
projects / lttng-tools.git / blobdiff