-/*
- * Copyright (C) 2020 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#include <common/dynamic-buffer.h>
-#include <common/error.h>
-#include <common/hashtable/hashtable.h>
-#include <common/hashtable/utils.h>
-#include <common/macros.h>
-#include <common/mi-lttng.h>
-#include <lttng/log-level-rule-internal.h>
-#include <lttng/log-level-rule.h>
-#include <stdbool.h>
-#include <stdlib.h>
-
-static bool is_log_level_rule_exactly_type(const struct lttng_log_level_rule *rule)
-{
- enum lttng_log_level_rule_type type =
- lttng_log_level_rule_get_type(rule);
-
- return type == LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY;
-}
-
-static bool is_log_level_rule_at_least_as_severe_type(const struct lttng_log_level_rule *rule)
-{
-
- enum lttng_log_level_rule_type type =
- lttng_log_level_rule_get_type(rule);
-
- return type == LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS;
-}
-
-enum lttng_log_level_rule_type lttng_log_level_rule_get_type(
- const struct lttng_log_level_rule *rule)
-{
- return rule ? rule->type : LTTNG_LOG_LEVEL_RULE_TYPE_UNKNOWN;
-}
-
-struct lttng_log_level_rule *lttng_log_level_rule_exactly_create(
- int level)
-{
- struct lttng_log_level_rule *rule = NULL;
-
- rule = zmalloc(sizeof(struct lttng_log_level_rule));
- if (!rule) {
- goto end;
- }
-
- rule->type = LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY;
- rule->level = level;
-
-end:
- return rule;
-}
-
-enum lttng_log_level_rule_status lttng_log_level_rule_exactly_get_level(
- const struct lttng_log_level_rule *rule, int *level)
-{
- enum lttng_log_level_rule_status status =
- LTTNG_LOG_LEVEL_RULE_STATUS_OK;
-
- if (!rule || !level || !is_log_level_rule_exactly_type(rule)) {
- status = LTTNG_LOG_LEVEL_RULE_STATUS_INVALID;
- goto end;
- }
-
- *level = rule->level;
-end:
- return status;
-}
-
-struct lttng_log_level_rule *
-lttng_log_level_rule_at_least_as_severe_as_create(int level)
-{
- struct lttng_log_level_rule *rule = NULL;
-
- rule = zmalloc(sizeof(struct lttng_log_level_rule));
- if (!rule) {
- goto end;
- }
-
- rule->type = LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS;
- rule->level = level;
-
-end:
- return rule;
-}
-
-enum lttng_log_level_rule_status
-lttng_log_level_rule_at_least_as_severe_as_get_level(
- const struct lttng_log_level_rule *rule, int *level)
-{
- enum lttng_log_level_rule_status status = LTTNG_LOG_LEVEL_RULE_STATUS_OK;
-
- if (!rule || !level ||
- !is_log_level_rule_at_least_as_severe_type(rule)) {
- status = LTTNG_LOG_LEVEL_RULE_STATUS_INVALID;
- goto end;
- }
-
- *level = rule->level;
-end:
- return status;
-}
-
-void lttng_log_level_rule_destroy(struct lttng_log_level_rule *log_level_rule)
-{
- free(log_level_rule);
-}
-
-ssize_t lttng_log_level_rule_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_log_level_rule **_rule)
-{
- ssize_t ret;
- size_t offset = 0;
- struct lttng_log_level_rule *rule = NULL;
- const struct lttng_log_level_rule_comm *comm =
- (const struct lttng_log_level_rule_comm *)
- view->buffer.data;
-
- offset += sizeof(*comm);
-
- if (!_rule) {
- ret = -1;
- goto end;
- }
-
- if (view->buffer.size < sizeof(*comm)) {
- ret = -1;
- goto end;
- }
-
- switch (comm->type) {
- case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY:
- rule = lttng_log_level_rule_exactly_create((int) comm->level);
- break;
- case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS:
- rule = lttng_log_level_rule_at_least_as_severe_as_create(
- (int) comm->level);
- break;
- default:
- abort();
- }
-
- if (!rule) {
- ret = -1;
- goto end;
- }
-
- *_rule = rule;
- ret = offset;
-
-end:
- return ret;
-}
-
-int lttng_log_level_rule_serialize(const struct lttng_log_level_rule *rule,
- struct lttng_payload *payload)
-{
- int ret;
- struct lttng_log_level_rule_comm comm;
-
-
- if (!rule) {
- ret = 0;
- goto end;
- }
-
- comm.type = (int8_t) rule->type;
- comm.level = (int32_t) rule->level;
-
- DBG("Serializing log level rule of type %d", rule->type);
- ret = lttng_dynamic_buffer_append(&payload->buffer, &comm,
- sizeof(comm));
- if (ret) {
- goto end;
- }
-
-end:
- return ret;
-}
-
-bool lttng_log_level_rule_is_equal(const struct lttng_log_level_rule *a,
- const struct lttng_log_level_rule *b)
-{
- bool is_equal = false;
-
- if (a == NULL && b == NULL) {
- /* Both are null. */
- is_equal = true;
- goto end;
- }
-
- if (a == NULL || b == NULL) {
- /* One is NULL.*/
- goto end;
- }
-
- if (a == b) {
- /* Same object.*/
- is_equal = true;
- goto end;
- }
-
- if (a->type != b->type) {
- goto end;
- }
-
- if (a->level != b->level) {
- goto end;
- }
-
- is_equal = true;
-
-end:
- return is_equal;
-}
-
-struct lttng_log_level_rule *lttng_log_level_rule_copy(
- const struct lttng_log_level_rule *source)
-{
- struct lttng_log_level_rule *copy = NULL;
-
- LTTNG_ASSERT(source);
-
- copy = zmalloc(sizeof(struct lttng_log_level_rule));
- if (!copy) {
- goto end;
- }
-
- copy->type = source->type;
- copy->level = source->level;
-end:
- return copy;
-}
-
-void lttng_log_level_rule_to_loglevel(
- const struct lttng_log_level_rule *log_level_rule,
- enum lttng_loglevel_type *loglevel_type,
- int *loglevel_value)
-{
- LTTNG_ASSERT(log_level_rule);
-
- switch (log_level_rule->type) {
- case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY:
- *loglevel_type = LTTNG_EVENT_LOGLEVEL_SINGLE;
- break;
- case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS:
- *loglevel_type = LTTNG_EVENT_LOGLEVEL_RANGE;
- break;
- default:
- abort();
- }
-
- *loglevel_value = log_level_rule->level;
-}
-
-unsigned long lttng_log_level_rule_hash(
- const struct lttng_log_level_rule *log_level_rule)
-{
- unsigned long hash;
- enum lttng_log_level_rule_status llr_status;
- int log_level_value;
- enum lttng_log_level_rule_type type;
-
- LTTNG_ASSERT(log_level_rule);
-
- type = lttng_log_level_rule_get_type(log_level_rule);
-
- switch (type) {
- case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY:
- llr_status = lttng_log_level_rule_exactly_get_level(
- log_level_rule, &log_level_value);
- break;
- case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS:
- llr_status = lttng_log_level_rule_at_least_as_severe_as_get_level(
- log_level_rule, &log_level_value);
- break;
- default:
- abort();
- break;
- }
-
- LTTNG_ASSERT(llr_status == LTTNG_LOG_LEVEL_RULE_STATUS_OK);
-
- hash = hash_key_ulong((void *) (unsigned long) type, lttng_ht_seed);
-
- hash ^= hash_key_ulong((void *) (unsigned long) log_level_value,
- lttng_ht_seed);
-
- return hash;
-}
-
-enum lttng_error_code lttng_log_level_rule_mi_serialize(
- const struct lttng_log_level_rule *rule,
- struct mi_writer *writer)
-{
- int ret;
- enum lttng_error_code ret_code;
- enum lttng_log_level_rule_status status;
- const char *element_str = NULL;
- int level;
-
- LTTNG_ASSERT(rule);
- LTTNG_ASSERT(writer);
-
- switch (lttng_log_level_rule_get_type(rule)) {
- case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY:
- status = lttng_log_level_rule_exactly_get_level(rule, &level);
- element_str = mi_lttng_element_log_level_rule_exactly;
- break;
- case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS:
- element_str = mi_lttng_element_log_level_rule_at_least_as_severe_as;
- status = lttng_log_level_rule_at_least_as_severe_as_get_level(
- rule, &level);
- break;
- default:
- abort();
- break;
- }
-
- LTTNG_ASSERT(status == LTTNG_LOG_LEVEL_RULE_STATUS_OK);
-
- /* Open log level rule element. */
- ret = mi_lttng_writer_open_element(
- writer, mi_lttng_element_log_level_rule);
- if (ret) {
- goto mi_error;
- }
-
- /* Log level rule type element. */
- ret = mi_lttng_writer_open_element(writer, element_str);
- if (ret) {
- goto mi_error;
- }
-
- /* Level. */
- ret = mi_lttng_writer_write_element_signed_int(
- writer, mi_lttng_element_log_level_rule_level, level);
- if (ret) {
- goto mi_error;
- }
-
- /* Close log level rule type element. */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto mi_error;
- }
-
- /* Close log level rule element. */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto mi_error;
- }
-
- ret_code = LTTNG_OK;
- goto end;
-
-mi_error:
- ret_code = LTTNG_ERR_MI_IO_FAIL;
-end:
- return ret_code;
-}
projects / lttng-tools.git / blobdiff