X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Flist_triggers.c;fp=src%2Fbin%2Flttng%2Fcommands%2Flist_triggers.c;h=0000000000000000000000000000000000000000;hb=48a4000561343808724f7cb5fa8c131877489ccd;hp=50c5894df1e3a50b9e263177fe55937fb3fb065f;hpb=81663f073dbfb4b61c06a0ceb8ca33c4fc41b1c5;p=lttng-tools.git diff --git a/src/bin/lttng/commands/list_triggers.c b/src/bin/lttng/commands/list_triggers.c deleted file mode 100644 index 50c5894df..000000000 --- a/src/bin/lttng/commands/list_triggers.c +++ /dev/null @@ -1,1449 +0,0 @@ -/* - * Copyright (C) 2021 Simon Marchi - * - * SPDX-License-Identifier: GPL-2.0-only - * - */ - -#include - -#include "../command.h" - -#include "common/argpar/argpar.h" -#include "common/dynamic-array.h" -#include "common/mi-lttng.h" -/* For lttng_condition_type_str(). */ -#include "lttng/condition/condition-internal.h" -#include "lttng/condition/event-rule-matches.h" -#include "lttng/condition/event-rule-matches-internal.h" -/* For lttng_domain_type_str(). */ -#include "lttng/domain-internal.h" -/* For lttng_event_rule_kernel_syscall_emission_site_str() */ -#include "lttng/event-rule/kernel-syscall-internal.h" -#include "../loglevel.h" -#include - -#ifdef LTTNG_EMBED_HELP -static const char help_msg[] = -#include -; -#endif - -#define INDENTATION_LEVEL_STR " " - -typedef enum lttng_event_rule_status (*event_rule_logging_get_name_pattern)( - const struct lttng_event_rule *rule, const char **pattern); -typedef enum lttng_event_rule_status (*event_rule_logging_get_filter)( - const struct lttng_event_rule *rule, const char **expression); -typedef enum lttng_event_rule_status (*event_rule_logging_get_log_level_rule)( - const struct lttng_event_rule *rule, - const struct lttng_log_level_rule **log_level_rule); - -enum { - OPT_HELP, - OPT_LIST_OPTIONS, -}; - -static const -struct argpar_opt_descr list_trigger_options[] = { - { OPT_HELP, 'h', "help", false }, - { OPT_LIST_OPTIONS, '\0', "list-options", false }, - ARGPAR_OPT_DESCR_SENTINEL, -}; - -static void print_condition_session_consumed_size( - const struct lttng_condition *condition) -{ - enum lttng_condition_status condition_status; - const char *session_name; - uint64_t threshold; - - condition_status = - lttng_condition_session_consumed_size_get_session_name( - condition, &session_name); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - lttng_condition_session_consumed_size_get_threshold( - condition, &threshold); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - MSG(" session name: %s", session_name); - MSG(" threshold: %" PRIu64 " bytes", threshold); -} - -static void print_condition_buffer_usage( - const struct lttng_condition *condition) -{ - enum lttng_condition_status condition_status; - const char *session_name, *channel_name; - enum lttng_domain_type domain_type; - uint64_t threshold; - - condition_status = lttng_condition_buffer_usage_get_session_name( - condition, &session_name); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - condition_status = lttng_condition_buffer_usage_get_channel_name( - condition, &channel_name); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - condition_status = lttng_condition_buffer_usage_get_domain_type( - condition, &domain_type); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - MSG(" session name: %s", session_name); - MSG(" channel name: %s", channel_name); - MSG(" domain: %s", lttng_domain_type_str(domain_type)); - - condition_status = lttng_condition_buffer_usage_get_threshold( - condition, &threshold); - if (condition_status == LTTNG_CONDITION_STATUS_OK) { - MSG(" threshold (bytes): %" PRIu64, threshold); - } else { - double threshold_ratio; - - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_UNSET); - - condition_status = - lttng_condition_buffer_usage_get_threshold_ratio( - condition, &threshold_ratio); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - MSG(" threshold (ratio): %.2f", threshold_ratio); - } -} - -static void print_condition_session_rotation( - const struct lttng_condition *condition) -{ - enum lttng_condition_status condition_status; - const char *session_name; - - condition_status = lttng_condition_session_rotation_get_session_name( - condition, &session_name); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - MSG(" session name: %s", session_name); -} - -/* - * Returns the human-readable log level name associated with a numerical value - * if there is one. The Log4j and JUL event rule have discontinuous log level - * values (a value can fall between two labels). In those cases, NULL is - * returned. - */ -static const char *get_pretty_loglevel_name( - enum lttng_event_rule_type event_rule_type, int loglevel) -{ - const char *name = NULL; - - switch (event_rule_type) { - case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT: - name = loglevel_value_to_name(loglevel); - break; - case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING: - name = loglevel_log4j_value_to_name(loglevel); - break; - case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING: - name = loglevel_jul_value_to_name(loglevel); - break; - case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING: - name = loglevel_python_value_to_name(loglevel); - break; - default: - break; - } - - return name; -} - -static -void print_event_rule_user_tracepoint(const struct lttng_event_rule *event_rule) -{ - enum lttng_event_rule_status event_rule_status; - const char *pattern; - const char *filter; - int log_level; - const struct lttng_log_level_rule *log_level_rule = NULL; - unsigned int exclusions_count; - int i; - - event_rule_status = lttng_event_rule_user_tracepoint_get_name_pattern( - event_rule, &pattern); - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); - - _MSG(" rule: %s (type: user tracepoint", pattern); - - event_rule_status = lttng_event_rule_user_tracepoint_get_filter( - event_rule, &filter); - if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { - _MSG(", filter: %s", filter); - } else { - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); - } - - event_rule_status = lttng_event_rule_user_tracepoint_get_log_level_rule( - event_rule, &log_level_rule); - if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { - enum lttng_log_level_rule_status llr_status; - const char *log_level_op; - const char *pretty_loglevel_name; - - switch (lttng_log_level_rule_get_type(log_level_rule)) { - case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY: - log_level_op = "is"; - llr_status = lttng_log_level_rule_exactly_get_level( - log_level_rule, &log_level); - break; - case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS: - log_level_op = "at least"; - llr_status = lttng_log_level_rule_at_least_as_severe_as_get_level( - log_level_rule, &log_level); - break; - default: - abort(); - } - - LTTNG_ASSERT(llr_status == LTTNG_LOG_LEVEL_RULE_STATUS_OK); - - pretty_loglevel_name = get_pretty_loglevel_name( - LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT, log_level); - if (pretty_loglevel_name) { - _MSG(", log level %s %s", log_level_op, - pretty_loglevel_name); - } else { - _MSG(", log level %s %d", log_level_op, log_level); - } - } else { - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); - } - - event_rule_status = lttng_event_rule_user_tracepoint_get_name_pattern_exclusion_count( - event_rule, &exclusions_count); - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); - if (exclusions_count > 0) { - _MSG(", exclusions: "); - for (i = 0; i < exclusions_count; i++) { - const char *exclusion; - - event_rule_status = lttng_event_rule_user_tracepoint_get_name_pattern_exclusion_at_index( - event_rule, i, &exclusion); - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); - - _MSG("%s%s", i > 0 ? "," : "", exclusion); - } - } - - MSG(")"); -} - -static -void print_event_rule_kernel_tracepoint(const struct lttng_event_rule *event_rule) -{ - enum lttng_event_rule_status event_rule_status; - const char *pattern; - const char *filter; - - event_rule_status = lttng_event_rule_kernel_tracepoint_get_name_pattern( - event_rule, &pattern); - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); - - _MSG(" rule: %s (type: kernel tracepoint", pattern); - - event_rule_status = lttng_event_rule_kernel_tracepoint_get_filter( - event_rule, &filter); - if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { - _MSG(", filter: %s", filter); - } else { - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); - } - - MSG(")"); -} - -static -void print_event_rule_logging(const struct lttng_event_rule *event_rule) -{ - enum lttng_event_rule_status event_rule_status; - enum lttng_event_rule_type event_rule_type = lttng_event_rule_get_type(event_rule); - const char *pattern; - const char *filter; - int log_level; - const struct lttng_log_level_rule *log_level_rule = NULL; - const char *type_str = NULL; - - event_rule_logging_get_name_pattern logging_get_name_pattern; - event_rule_logging_get_filter logging_get_filter; - event_rule_logging_get_log_level_rule logging_get_log_level_rule; - - switch (event_rule_type) { - case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING: - logging_get_name_pattern = - lttng_event_rule_jul_logging_get_name_pattern; - logging_get_filter = lttng_event_rule_jul_logging_get_filter; - logging_get_log_level_rule = - lttng_event_rule_jul_logging_get_log_level_rule; - type_str = "jul"; - break; - case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING: - logging_get_name_pattern = - lttng_event_rule_log4j_logging_get_name_pattern; - logging_get_filter = lttng_event_rule_log4j_logging_get_filter; - logging_get_log_level_rule = - lttng_event_rule_log4j_logging_get_log_level_rule; - type_str = "log4j"; - break; - case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING: - logging_get_name_pattern = - lttng_event_rule_python_logging_get_name_pattern; - logging_get_filter = lttng_event_rule_python_logging_get_filter; - logging_get_log_level_rule = - lttng_event_rule_python_logging_get_log_level_rule; - type_str = "python"; - break; - default: - abort(); - break; - } - - event_rule_status = logging_get_name_pattern( - event_rule, &pattern); - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); - - _MSG(" rule: %s (type: %s:logging", pattern, type_str); - - event_rule_status = logging_get_filter( - event_rule, &filter); - if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { - _MSG(", filter: %s", filter); - } else { - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); - } - - event_rule_status = logging_get_log_level_rule( - event_rule, &log_level_rule); - if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { - enum lttng_log_level_rule_status llr_status; - const char *log_level_op; - const char *pretty_loglevel_name; - - switch (lttng_log_level_rule_get_type(log_level_rule)) { - case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY: - log_level_op = "is"; - llr_status = lttng_log_level_rule_exactly_get_level( - log_level_rule, &log_level); - break; - case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS: - log_level_op = "at least"; - llr_status = lttng_log_level_rule_at_least_as_severe_as_get_level( - log_level_rule, &log_level); - break; - default: - abort(); - } - - LTTNG_ASSERT(llr_status == LTTNG_LOG_LEVEL_RULE_STATUS_OK); - - pretty_loglevel_name = get_pretty_loglevel_name( - event_rule_type, log_level); - if (pretty_loglevel_name) { - _MSG(", log level %s %s", log_level_op, - pretty_loglevel_name); - } else { - _MSG(", log level %s %d", log_level_op, log_level); - } - } else { - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); - } - - MSG(")"); -} - -static void print_kernel_probe_location( - const struct lttng_kernel_probe_location *location) -{ - enum lttng_kernel_probe_location_status status; - switch (lttng_kernel_probe_location_get_type(location)) { - case LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS: - { - uint64_t address; - - status = lttng_kernel_probe_location_address_get_address( - location, &address); - if (status != LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK) { - ERR("Getting kernel probe location address failed."); - goto end; - } - - _MSG("0x%" PRIx64, address); - - break; - } - case LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET: - { - uint64_t offset; - const char *symbol_name; - - symbol_name = lttng_kernel_probe_location_symbol_get_name( - location); - if (!symbol_name) { - ERR("Getting kernel probe location symbol name failed."); - goto end; - } - - status = lttng_kernel_probe_location_symbol_get_offset( - location, &offset); - if (status != LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK) { - ERR("Getting kernel probe location address failed."); - goto end; - } - - if (offset == 0) { - _MSG("%s", symbol_name); - } else { - _MSG("%s+0x%" PRIx64, symbol_name, offset); - } - - break; - } - default: - abort(); - }; -end: - return; -} - -static -void print_event_rule_kernel_probe(const struct lttng_event_rule *event_rule) -{ - enum lttng_event_rule_status event_rule_status; - const char *name; - const struct lttng_kernel_probe_location *location; - - LTTNG_ASSERT(lttng_event_rule_get_type(event_rule) == LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE); - - event_rule_status = lttng_event_rule_kernel_kprobe_get_event_name(event_rule, &name); - if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { - ERR("Failed to get kprobe event rule's name."); - goto end; - } - - event_rule_status = lttng_event_rule_kernel_kprobe_get_location( - event_rule, &location); - if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { - ERR("Failed to get kprobe event rule's location."); - goto end; - } - - _MSG(" rule: %s (type: kernel:kprobe, location: ", name); - - print_kernel_probe_location(location); - - MSG(")"); - -end: - return; -} - -static -void print_event_rule_userspace_probe(const struct lttng_event_rule *event_rule) -{ - enum lttng_event_rule_status event_rule_status; - const char *name; - const struct lttng_userspace_probe_location *location; - enum lttng_userspace_probe_location_type userspace_probe_location_type; - - LTTNG_ASSERT(lttng_event_rule_get_type(event_rule) == LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE); - - event_rule_status = lttng_event_rule_kernel_uprobe_get_event_name( - event_rule, &name); - if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { - ERR("Failed to get uprobe event rule's name."); - goto end; - } - - event_rule_status = lttng_event_rule_kernel_uprobe_get_location( - event_rule, &location); - if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { - ERR("Failed to get uprobe event rule's location."); - goto end; - } - - _MSG(" rule: %s (type: kernel:uprobe, ", name); - - userspace_probe_location_type = - lttng_userspace_probe_location_get_type(location); - - switch (userspace_probe_location_type) { - case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: - { - const char *binary_path, *function_name; - - binary_path = lttng_userspace_probe_location_function_get_binary_path( - location); - function_name = lttng_userspace_probe_location_function_get_function_name( - location); - - _MSG("location type: ELF, location: %s:%s", binary_path, function_name); - break; - } - case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: - { - const char *binary_path, *provider_name, *probe_name; - - binary_path = lttng_userspace_probe_location_tracepoint_get_binary_path( - location); - provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name( - location); - probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name( - location); - _MSG("location type: SDT, location: %s:%s:%s", binary_path, provider_name, probe_name); - break; - } - default: - abort(); - } - - MSG(")"); - -end: - return; -} - -static -void print_event_rule_syscall(const struct lttng_event_rule *event_rule) -{ - const char *pattern, *filter; - enum lttng_event_rule_status event_rule_status; - enum lttng_event_rule_kernel_syscall_emission_site emission_site; - - LTTNG_ASSERT(lttng_event_rule_get_type(event_rule) == LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL); - - emission_site = - lttng_event_rule_kernel_syscall_get_emission_site(event_rule); - - event_rule_status = lttng_event_rule_kernel_syscall_get_name_pattern( - event_rule, &pattern); - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); - - _MSG(" rule: %s (type: kernel:syscall:%s", pattern, - lttng_event_rule_kernel_syscall_emission_site_str( - emission_site)); - - event_rule_status = lttng_event_rule_kernel_syscall_get_filter( - event_rule, &filter); - if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { - _MSG(", filter: %s", filter); - } else { - LTTNG_ASSERT(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); - } - - MSG(")"); -} - -static -void print_event_rule(const struct lttng_event_rule *event_rule) -{ - const enum lttng_event_rule_type event_rule_type = - lttng_event_rule_get_type(event_rule); - - switch (event_rule_type) { - case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT: - print_event_rule_user_tracepoint(event_rule); - break; - case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT: - print_event_rule_kernel_tracepoint(event_rule); - break; - case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING: - case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING: - case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING: - print_event_rule_logging(event_rule); - break; - case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE: - print_event_rule_kernel_probe(event_rule); - break; - case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE: - print_event_rule_userspace_probe(event_rule); - break; - case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL: - print_event_rule_syscall(event_rule); - break; - default: - abort(); - } -} - -static -void print_one_event_expr(const struct lttng_event_expr *event_expr) -{ - enum lttng_event_expr_type type; - - type = lttng_event_expr_get_type(event_expr); - - switch (type) { - case LTTNG_EVENT_EXPR_TYPE_EVENT_PAYLOAD_FIELD: - { - const char *name; - - name = lttng_event_expr_event_payload_field_get_name( - event_expr); - _MSG("%s", name); - - break; - } - case LTTNG_EVENT_EXPR_TYPE_CHANNEL_CONTEXT_FIELD: - { - const char *name; - - name = lttng_event_expr_channel_context_field_get_name( - event_expr); - _MSG("$ctx.%s", name); - - break; - } - case LTTNG_EVENT_EXPR_TYPE_APP_SPECIFIC_CONTEXT_FIELD: - { - const char *provider_name; - const char *type_name; - - provider_name = lttng_event_expr_app_specific_context_field_get_provider_name( - event_expr); - type_name = lttng_event_expr_app_specific_context_field_get_type_name( - event_expr); - - _MSG("$app.%s:%s", provider_name, type_name); - - break; - } - case LTTNG_EVENT_EXPR_TYPE_ARRAY_FIELD_ELEMENT: - { - unsigned int index; - const struct lttng_event_expr *parent_expr; - enum lttng_event_expr_status status; - - parent_expr = lttng_event_expr_array_field_element_get_parent_expr( - event_expr); - LTTNG_ASSERT(parent_expr != NULL); - - print_one_event_expr(parent_expr); - - status = lttng_event_expr_array_field_element_get_index( - event_expr, &index); - LTTNG_ASSERT(status == LTTNG_EVENT_EXPR_STATUS_OK); - - _MSG("[%u]", index); - - break; - } - default: - abort(); - } -} - -static -void print_indentation(unsigned int indentation_level) -{ - unsigned int i; - - for (i = 0; i < indentation_level; i++) { - _MSG(INDENTATION_LEVEL_STR); - } -} - -static -void print_error_query_results(struct lttng_error_query_results *results, - unsigned int base_indentation_level) -{ - unsigned int i, count, printed_errors_count = 0; - enum lttng_error_query_results_status results_status; - - results_status = lttng_error_query_results_get_count(results, &count); - LTTNG_ASSERT(results_status == LTTNG_ERROR_QUERY_RESULTS_STATUS_OK); - - LTTNG_ASSERT(results); - - print_indentation(base_indentation_level); - _MSG("errors:"); - - for (i = 0; i < count; i++) { - const struct lttng_error_query_result *result; - enum lttng_error_query_result_status result_status; - const char *result_name; - const char *result_description; - uint64_t result_value; - - results_status = lttng_error_query_results_get_result( - results, &result, i); - LTTNG_ASSERT(results_status == LTTNG_ERROR_QUERY_RESULTS_STATUS_OK); - - result_status = lttng_error_query_result_get_name( - result, &result_name); - LTTNG_ASSERT(result_status == LTTNG_ERROR_QUERY_RESULT_STATUS_OK); - result_status = lttng_error_query_result_get_description( - result, &result_description); - LTTNG_ASSERT(result_status == LTTNG_ERROR_QUERY_RESULT_STATUS_OK); - - - if (lttng_error_query_result_get_type(result) == - LTTNG_ERROR_QUERY_RESULT_TYPE_COUNTER) { - result_status = lttng_error_query_result_counter_get_value( - result, &result_value); - LTTNG_ASSERT(result_status == - LTTNG_ERROR_QUERY_RESULT_STATUS_OK); - if (result_value == 0) { - continue; - } - - MSG(""); - print_indentation(base_indentation_level + 1); - - _MSG("%s: %" PRIu64, result_name, result_value); - printed_errors_count++; - } else { - MSG(""); - print_indentation(base_indentation_level + 1); - _MSG("Unknown error query result type for result '%s' (%s)", - result_name, result_description); - continue; - } - } - - if (printed_errors_count == 0) { - _MSG(" none"); - } -} - -static void print_condition_event_rule_matches( - const struct lttng_condition *condition) -{ - const struct lttng_event_rule *event_rule; - enum lttng_condition_status condition_status; - unsigned int cap_desc_count, i; - - condition_status = lttng_condition_event_rule_matches_get_rule( - condition, &event_rule); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - print_event_rule(event_rule); - - condition_status = - lttng_condition_event_rule_matches_get_capture_descriptor_count( - condition, &cap_desc_count); - LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK); - - if (cap_desc_count > 0) { - MSG(" captures:"); - - for (i = 0; i < cap_desc_count; i++) { - const struct lttng_event_expr *cap_desc = - lttng_condition_event_rule_matches_get_capture_descriptor_at_index( - condition, i); - - _MSG(" - "); - print_one_event_expr(cap_desc); - MSG(""); - } - } -} - -static void print_action_errors(const struct lttng_trigger *trigger, - const struct lttng_action *action, - const uint64_t *action_path_indexes, - size_t action_path_length) -{ - enum lttng_error_code error_query_ret; - struct lttng_error_query_results *results = NULL; - const char *trigger_name; - uid_t trigger_uid; - enum lttng_trigger_status trigger_status; - struct lttng_error_query *query; - struct lttng_action_path *action_path = lttng_action_path_create( - action_path_indexes, action_path_length); - - LTTNG_ASSERT(action_path); - - query = lttng_error_query_action_create(trigger, action_path); - LTTNG_ASSERT(query); - - trigger_status = lttng_trigger_get_name(trigger, &trigger_name); - /* - * Anonymous triggers are not listed; this would be an internal error. - */ - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_owner_uid(trigger, &trigger_uid); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - error_query_ret = lttng_error_query_execute( - query, lttng_session_daemon_command_endpoint, &results); - if (error_query_ret != LTTNG_OK) { - ERR("Failed to query errors of trigger '%s' (owner uid: %d): %s", - trigger_name, (int) trigger_uid, - lttng_strerror(-error_query_ret)); - goto end; - } - - print_error_query_results(results, 3); - -end: - MSG(""); - lttng_error_query_destroy(query); - lttng_error_query_results_destroy(results); - lttng_action_path_destroy(action_path); -} - -static -void print_one_action(const struct lttng_trigger *trigger, - const struct lttng_action *action, - const uint64_t *action_path_indexes, - size_t action_path_length) -{ - enum lttng_action_type action_type; - enum lttng_action_status action_status; - const struct lttng_rate_policy *policy = NULL; - const char *value; - - action_type = lttng_action_get_type(action); - LTTNG_ASSERT(action_type != LTTNG_ACTION_TYPE_LIST); - - switch (action_type) { - case LTTNG_ACTION_TYPE_NOTIFY: - _MSG("notify"); - - action_status = lttng_action_notify_get_rate_policy( - action, &policy); - if (action_status != LTTNG_ACTION_STATUS_OK) { - ERR("Failed to retrieve rate policy."); - goto end; - } - break; - case LTTNG_ACTION_TYPE_START_SESSION: - action_status = lttng_action_start_session_get_session_name( - action, &value); - LTTNG_ASSERT(action_status == LTTNG_ACTION_STATUS_OK); - _MSG("start session `%s`", value); - - action_status = lttng_action_start_session_get_rate_policy( - action, &policy); - if (action_status != LTTNG_ACTION_STATUS_OK) { - ERR("Failed to retrieve rate policy."); - goto end; - } - break; - case LTTNG_ACTION_TYPE_STOP_SESSION: - action_status = lttng_action_stop_session_get_session_name( - action, &value); - LTTNG_ASSERT(action_status == LTTNG_ACTION_STATUS_OK); - _MSG("stop session `%s`", value); - - action_status = lttng_action_stop_session_get_rate_policy( - action, &policy); - if (action_status != LTTNG_ACTION_STATUS_OK) { - ERR("Failed to retrieve rate policy."); - goto end; - } - break; - case LTTNG_ACTION_TYPE_ROTATE_SESSION: - action_status = lttng_action_rotate_session_get_session_name( - action, &value); - LTTNG_ASSERT(action_status == LTTNG_ACTION_STATUS_OK); - _MSG("rotate session `%s`", value); - - action_status = lttng_action_rotate_session_get_rate_policy( - action, &policy); - if (action_status != LTTNG_ACTION_STATUS_OK) { - ERR("Failed to retrieve rate policy."); - goto end; - } - break; - case LTTNG_ACTION_TYPE_SNAPSHOT_SESSION: - { - const struct lttng_snapshot_output *output; - - action_status = lttng_action_snapshot_session_get_session_name( - action, &value); - LTTNG_ASSERT(action_status == LTTNG_ACTION_STATUS_OK); - _MSG("snapshot session `%s`", value); - - action_status = lttng_action_snapshot_session_get_output( - action, &output); - if (action_status == LTTNG_ACTION_STATUS_OK) { - const char *name; - uint64_t max_size; - const char *ctrl_url, *data_url; - bool starts_with_file, starts_with_net, starts_with_net6; - - ctrl_url = lttng_snapshot_output_get_ctrl_url(output); - LTTNG_ASSERT(ctrl_url && strlen(ctrl_url) > 0); - - data_url = lttng_snapshot_output_get_data_url(output); - LTTNG_ASSERT(data_url); - - starts_with_file = strncmp(ctrl_url, "file://", strlen("file://")) == 0; - starts_with_net = strncmp(ctrl_url, "net://", strlen("net://")) == 0; - starts_with_net6 = strncmp(ctrl_url, "net6://", strlen("net6://")) == 0; - - if (ctrl_url[0] == '/' || starts_with_file) { - if (starts_with_file) { - ctrl_url += strlen("file://"); - } - - _MSG(", path: %s", ctrl_url); - } else if (starts_with_net || starts_with_net6) { - _MSG(", url: %s", ctrl_url); - } else { - LTTNG_ASSERT(strlen(data_url) > 0); - - _MSG(", control url: %s, data url: %s", ctrl_url, data_url); - } - - name = lttng_snapshot_output_get_name(output); - LTTNG_ASSERT(name); - if (strlen(name) > 0) { - _MSG(", name: %s", name); - } - - max_size = lttng_snapshot_output_get_maxsize(output); - if (max_size != -1ULL) { - _MSG(", max size: %" PRIu64, max_size); - } - } - - action_status = lttng_action_snapshot_session_get_rate_policy( - action, &policy); - if (action_status != LTTNG_ACTION_STATUS_OK) { - ERR("Failed to retrieve rate policy."); - goto end; - } - break; - } - default: - abort(); - } - - if (policy) { - enum lttng_rate_policy_type policy_type; - enum lttng_rate_policy_status policy_status; - uint64_t policy_value = 0; - - policy_type = lttng_rate_policy_get_type(policy); - - switch (policy_type) { - case LTTNG_RATE_POLICY_TYPE_EVERY_N: - policy_status = lttng_rate_policy_every_n_get_interval( - policy, &policy_value); - if (policy_status != LTTNG_RATE_POLICY_STATUS_OK) { - ERR("Failed to get action rate policy interval"); - goto end; - } - if (policy_value > 1) { - /* The default is 1 so print only when it is a - * special case. - */ - _MSG(", rate policy: every %" PRIu64 - " occurrences", - policy_value); - } - break; - case LTTNG_RATE_POLICY_TYPE_ONCE_AFTER_N: - policy_status = lttng_rate_policy_once_after_n_get_threshold( - policy, &policy_value); - if (policy_status != LTTNG_RATE_POLICY_STATUS_OK) { - ERR("Failed to get action rate policy interval"); - goto end; - } - _MSG(", rate policy: once after %" PRIu64 - " occurrences", - policy_value); - break; - default: - abort(); - } - } - - MSG(""); - print_action_errors(trigger, action, action_path_indexes, - action_path_length); - -end: - return; -} - -static -void print_trigger_errors(const struct lttng_trigger *trigger) -{ - enum lttng_error_code error_query_ret; - struct lttng_error_query_results *results = NULL; - enum lttng_trigger_status trigger_status; - const char *trigger_name; - uid_t trigger_uid; - struct lttng_error_query *query = - lttng_error_query_trigger_create(trigger); - - LTTNG_ASSERT(query); - /* - * Anonymous triggers are not listed; this would be an internal error. - */ - trigger_status = lttng_trigger_get_name(trigger, &trigger_name); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_owner_uid(trigger, &trigger_uid); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - error_query_ret = lttng_error_query_execute( - query, lttng_session_daemon_command_endpoint, &results); - if (error_query_ret != LTTNG_OK) { - ERR("Failed to query errors of trigger '%s' (owner uid: %d): %s", - trigger_name, (int) trigger_uid, - lttng_strerror(-error_query_ret)); - goto end; - } - - print_error_query_results(results, 1); - -end: - MSG(""); - lttng_error_query_destroy(query); - lttng_error_query_results_destroy(results); -} - -static -void print_condition_errors(const struct lttng_trigger *trigger) -{ - enum lttng_error_code error_query_ret; - struct lttng_error_query_results *results = NULL; - enum lttng_trigger_status trigger_status; - const char *trigger_name; - uid_t trigger_uid; - struct lttng_error_query *query = - lttng_error_query_condition_create(trigger); - - LTTNG_ASSERT(query); - /* - * Anonymous triggers are not listed; this would be an internal error. - */ - trigger_status = lttng_trigger_get_name(trigger, &trigger_name); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_owner_uid(trigger, &trigger_uid); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - error_query_ret = lttng_error_query_execute( - query, lttng_session_daemon_command_endpoint, &results); - if (error_query_ret != LTTNG_OK) { - ERR("Failed to query errors of condition of trigger '%s' (owner uid: %d): %s", - trigger_name, (int) trigger_uid, - lttng_strerror(-error_query_ret)); - goto end; - } - - print_error_query_results(results, 2); - -end: - MSG(""); - lttng_error_query_destroy(query); - lttng_error_query_results_destroy(results); -} - -static -void print_one_trigger(const struct lttng_trigger *trigger) -{ - const struct lttng_condition *condition; - enum lttng_condition_type condition_type; - const struct lttng_action *action; - enum lttng_action_type action_type; - enum lttng_trigger_status trigger_status; - const char *name; - uid_t trigger_uid; - - /* - * Anonymous triggers are not listed since they can't be specified nor - * referenced through the CLI. - */ - trigger_status = lttng_trigger_get_name(trigger, &name); - if (trigger_status == LTTNG_TRIGGER_STATUS_UNSET) { - goto end; - } - - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_owner_uid(trigger, &trigger_uid); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - MSG("- name: %s", name); - MSG(" owner uid: %d", trigger_uid); - - condition = lttng_trigger_get_const_condition(trigger); - condition_type = lttng_condition_get_type(condition); - MSG(" condition: %s", lttng_condition_type_str(condition_type)); - switch (condition_type) { - case LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE: - print_condition_session_consumed_size(condition); - break; - case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: - case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: - print_condition_buffer_usage(condition); - break; - case LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING: - case LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED: - print_condition_session_rotation(condition); - break; - case LTTNG_CONDITION_TYPE_EVENT_RULE_MATCHES: - print_condition_event_rule_matches(condition); - break; - default: - abort(); - } - - print_condition_errors(trigger); - - action = lttng_trigger_get_const_action(trigger); - action_type = lttng_action_get_type(action); - if (action_type == LTTNG_ACTION_TYPE_LIST) { - unsigned int count, i; - enum lttng_action_status action_status; - - MSG(" actions:"); - - action_status = lttng_action_list_get_count(action, &count); - LTTNG_ASSERT(action_status == LTTNG_ACTION_STATUS_OK); - - for (i = 0; i < count; i++) { - const uint64_t action_path_index = i; - const struct lttng_action *subaction = - lttng_action_list_get_at_index( - action, i); - - _MSG(" "); - print_one_action(trigger, subaction, &action_path_index, - 1); - } - } else { - _MSG(" action:"); - print_one_action(trigger, action, NULL, 0); - } - - print_trigger_errors(trigger); -end: - return; -} - -static -int compare_triggers_by_name(const void *a, const void *b) -{ - const struct lttng_trigger *trigger_a = *((const struct lttng_trigger **) a); - const struct lttng_trigger *trigger_b = *((const struct lttng_trigger **) b); - const char *name_a, *name_b; - enum lttng_trigger_status trigger_status; - - /* Anonymous triggers are not reachable here. */ - trigger_status = lttng_trigger_get_name(trigger_a, &name_a); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_name(trigger_b, &name_b); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - return strcmp(name_a, name_b); -} - -static int print_sorted_triggers(const struct lttng_triggers *triggers) -{ - int ret; - int i; - struct lttng_dynamic_pointer_array sorted_triggers; - enum lttng_trigger_status trigger_status; - unsigned int num_triggers; - - 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 < lttng_dynamic_pointer_array_get_count(&sorted_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); - - LTTNG_ASSERT(results); - LTTNG_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); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_owner_uid( - trigger, &trigger_uid); - LTTNG_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)); - } - - lttng_error_query_destroy(query); - 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); - - LTTNG_ASSERT(results); - LTTNG_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); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_owner_uid( - trigger, &trigger_uid); - LTTNG_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)); - } - - lttng_error_query_destroy(query); - 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); - - LTTNG_ASSERT(results); - LTTNG_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); - LTTNG_ASSERT(trigger_status == LTTNG_TRIGGER_STATUS_OK); - - trigger_status = lttng_trigger_get_owner_uid( - trigger, &trigger_uid); - LTTNG_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)); - } - - lttng_error_query_destroy(query); - 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) { - ERR("%s", argpar_parse_ret.error); - goto error; - } - - for (i = 0; i < argpar_parse_ret.items->n_items; i++) { - const struct argpar_item *item = - argpar_parse_ret.items->items[i]; - - if (item->type == ARGPAR_ITEM_TYPE_OPT) { - const struct argpar_item_opt *item_opt = - (const struct argpar_item_opt *) item; - - switch (item_opt->descr->id) { - case OPT_HELP: - SHOW_HELP(); - ret = 0; - goto end; - - case OPT_LIST_OPTIONS: - list_cmd_options_argpar( - stdout, list_trigger_options); - ret = 0; - goto end; - - default: - abort(); - } - - } else { - const struct argpar_item_non_opt *item_non_opt = - (const struct argpar_item_non_opt *) item; - - ERR("Unexpected argument: %s", item_non_opt->arg); - } - } - - ret = lttng_list_triggers(&triggers); - if (ret != LTTNG_OK) { - ERR("Error listing triggers: %s.", lttng_strerror(-ret)); - goto error; - } - - if (lttng_opt_mi) { - mi_writer = mi_lttng_writer_create( - fileno(stdout), lttng_opt_mi); - if (!mi_writer) { - ret = CMD_ERROR; - goto end; - } - - /* Open command element. */ - ret = mi_lttng_writer_command_open(mi_writer, - mi_lttng_element_command_list_trigger); - if (ret) { - ret = CMD_ERROR; - goto end; - } - - /* Open output element. */ - ret = mi_lttng_writer_open_element( - mi_writer, mi_lttng_element_command_output); - if (ret) { - ret = CMD_ERROR; - goto end; - } - } - - 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; - } - } - - /* Mi closing. */ - if (lttng_opt_mi) { - /* Close output element. */ - ret = mi_lttng_writer_close_element(mi_writer); - if (ret) { - ret = CMD_ERROR; - goto end; - } - - /* Command element close. */ - ret = mi_lttng_writer_command_close(mi_writer); - if (ret) { - ret = CMD_ERROR; - goto end; - } - } - - ret = 0; - goto end; - -error: - ret = 1; - -end: - argpar_parse_ret_fini(&argpar_parse_ret); - lttng_triggers_destroy(triggers); - /* Mi clean-up. */ - if (mi_writer && mi_lttng_writer_destroy(mi_writer)) { - /* Preserve original error code. */ - ret = ret ? ret : CMD_ERROR; - } - return ret; -}