#include <common/credentials.h>
#include <common/error.h>
#include <common/macros.h>
+#include <common/optional.h>
#include <common/payload.h>
#include <common/payload-view.h>
#include <common/runas.h>
#include <common/hashtable/utils.h>
#include <lttng/event-rule/event-rule-internal.h>
#include <lttng/event-rule/tracepoint-internal.h>
+#include <lttng/log-level-rule.h>
#include <lttng/event.h>
#define IS_TRACEPOINT_EVENT_RULE(rule) \
struct lttng_payload *payload)
{
int ret, i;
- size_t pattern_len, filter_expression_len, exclusions_len;
+ size_t pattern_len, filter_expression_len, exclusions_len, header_offset;
+ size_t size_before_log_level_rule;
struct lttng_event_rule_tracepoint *tracepoint;
struct lttng_event_rule_tracepoint_comm tracepoint_comm;
enum lttng_event_rule_status status;
unsigned int exclusion_count;
size_t exclusions_appended_len = 0;
+ struct lttng_event_rule_tracepoint_comm *header;
if (!rule || !IS_TRACEPOINT_EVENT_RULE(rule)) {
ret = -1;
goto end;
}
+ header_offset = payload->buffer.size;
+
DBG("Serializing tracepoint event rule.");
tracepoint = container_of(
rule, struct lttng_event_rule_tracepoint, parent);
}
tracepoint_comm.domain_type = (int8_t) tracepoint->domain;
- tracepoint_comm.loglevel_type = (int8_t) tracepoint->loglevel.type;
- tracepoint_comm.loglevel_value = tracepoint->loglevel.value;
tracepoint_comm.pattern_len = pattern_len;
tracepoint_comm.filter_expression_len = filter_expression_len;
tracepoint_comm.exclusions_count = exclusion_count;
goto end;
}
+ size_before_log_level_rule = payload->buffer.size;
+
+ ret = lttng_log_level_rule_serialize(tracepoint->log_level_rule, payload);
+ if (ret < 0) {
+ goto end;
+ }
+
+ header = (typeof(header)) ((char *) payload->buffer.data + header_offset);
+ header->log_level_rule_len =
+ payload->buffer.size - size_before_log_level_rule;
+
for (i = 0; i < exclusion_count; i++) {
size_t len;
const char *exclusion;
goto end;
}
- if (a->loglevel.type != b->loglevel.type) {
- goto end;
- }
-
- if (a->loglevel.value != b->loglevel.value) {
+ if (!lttng_log_level_rule_is_equal(
+ a->log_level_rule, b->log_level_rule)) {
goto end;
}
char *agent_filter = NULL;
const char *pattern;
const char *filter;
- enum lttng_loglevel_type loglevel_type;
+ const struct lttng_log_level_rule *log_level_rule = NULL;
enum lttng_event_rule_status status;
assert(rule);
goto end;
}
- status = lttng_event_rule_tracepoint_get_log_level_type(
- rule, &loglevel_type);
- if (status != LTTNG_EVENT_RULE_STATUS_OK) {
- ret = -1;
- goto end;
- }
/* Don't add filter for the '*' event. */
if (strcmp(pattern, "*") != 0) {
}
}
- if (loglevel_type != LTTNG_EVENT_LOGLEVEL_ALL) {
+ status = lttng_event_rule_tracepoint_get_log_level_rule(
+ rule, &log_level_rule);
+ if (status == LTTNG_EVENT_RULE_STATUS_OK) {
+ enum lttng_log_level_rule_status llr_status;
const char *op;
- int loglevel_value;
+ int level;
- status = lttng_event_rule_tracepoint_get_log_level(
- rule, &loglevel_value);
- if (status != LTTNG_EVENT_RULE_STATUS_OK) {
- ret = -1;
- goto end;
+ switch (lttng_log_level_rule_get_type(log_level_rule))
+ {
+ case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY:
+ llr_status = lttng_log_level_rule_exactly_get_level(
+ log_level_rule, &level);
+ op = "==";
+ 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, &level);
+ op = ">=";
+ break;
+ default:
+ abort();
}
- if (loglevel_type == LTTNG_EVENT_LOGLEVEL_RANGE) {
- op = ">=";
- } else {
- op = "==";
+ if (llr_status != LTTNG_LOG_LEVEL_RULE_STATUS_OK) {
+ ret = -1;
+ goto end;
}
if (filter || agent_filter) {
err = asprintf(&new_filter,
"(%s) && (int_loglevel %s %d)",
agent_filter ? agent_filter : filter,
- op, loglevel_value);
+ op, level);
if (agent_filter) {
free(agent_filter);
}
agent_filter = new_filter;
} else {
err = asprintf(&agent_filter, "int_loglevel %s %d", op,
- loglevel_value);
+ level);
}
if (err < 0) {
enum lttng_domain_type domain_type;
enum lttng_event_rule_status status;
const char *filter;
- struct lttng_filter_bytecode *bytecode = NULL;
+ struct lttng_bytecode *bytecode = NULL;
assert(rule);
return tracepoint->internal_filter.filter;
}
-static const struct lttng_filter_bytecode *
+static const struct lttng_bytecode *
lttng_event_rule_tracepoint_get_internal_filter_bytecode(
const struct lttng_event_rule *rule)
{
hash ^= hash_key_str(tp_rule->filter_expression, lttng_ht_seed);
}
- hash ^= hash_key_ulong((void *) tp_rule->loglevel.type,
- lttng_ht_seed);
- if (tp_rule->loglevel.type != LTTNG_EVENT_LOGLEVEL_ALL) {
- hash ^= hash_key_ulong(
- (void *) (unsigned long) tp_rule->loglevel.value,
- lttng_ht_seed);
+ if (tp_rule->log_level_rule) {
+ hash ^= lttng_log_level_rule_hash(tp_rule->log_level_rule);
}
status = lttng_event_rule_tracepoint_get_exclusions_count(rule,
const struct lttng_event_rule_tracepoint *tracepoint;
struct lttng_event *local_event = NULL;
struct lttng_event *event = NULL;
+ enum lttng_loglevel_type loglevel_type;
+ int loglevel_value = 0;
+ enum lttng_event_rule_status status;
+ const struct lttng_log_level_rule *log_level_rule;
tracepoint = container_of(
rule, const struct lttng_event_rule_tracepoint, parent);
goto error;
}
- local_event->loglevel_type = tracepoint->loglevel.type;
- local_event->loglevel = tracepoint->loglevel.value;
+
+ /* Map the log level rule to an equivalent lttng_loglevel. */
+ status = lttng_event_rule_tracepoint_get_log_level_rule(
+ rule, &log_level_rule);
+ if (status == LTTNG_EVENT_RULE_STATUS_UNSET) {
+ loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
+ loglevel_value = 0;
+ } else if (status == LTTNG_EVENT_RULE_STATUS_OK) {
+ enum lttng_log_level_rule_status llr_status;
+
+ switch (lttng_log_level_rule_get_type(log_level_rule)) {
+ case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY:
+ llr_status = lttng_log_level_rule_exactly_get_level(
+ log_level_rule, &loglevel_value);
+ loglevel_type = LTTNG_EVENT_LOGLEVEL_SINGLE;
+ 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, &loglevel_value);
+ loglevel_type = LTTNG_EVENT_LOGLEVEL_RANGE;
+ break;
+ default:
+ abort();
+ break;
+ }
+
+ if (llr_status != LTTNG_LOG_LEVEL_RULE_STATUS_OK) {
+ goto error;
+ }
+ } else {
+ goto error;
+ }
+
+ local_event->loglevel_type = loglevel_type;
+ local_event->loglevel = loglevel_value;
event = local_event;
local_event = NULL;
{
struct lttng_event_rule *rule = NULL;
struct lttng_event_rule_tracepoint *tp_rule;
+ enum lttng_event_rule_status status;
if (domain_type == LTTNG_DOMAIN_NONE) {
goto end;
lttng_event_rule_tracepoint_generate_lttng_event;
tp_rule->domain = domain_type;
- tp_rule->loglevel.type = LTTNG_EVENT_LOGLEVEL_ALL;
+ tp_rule->log_level_rule = NULL;
lttng_dynamic_pointer_array_init(&tp_rule->exclusions,
destroy_lttng_exclusions_element);
+
+ /* Default pattern is '*'. */
+ status = lttng_event_rule_tracepoint_set_pattern(rule, "*");
+ if (status != LTTNG_EVENT_RULE_STATUS_OK) {
+ lttng_event_rule_destroy(rule);
+ rule = NULL;
+ }
+
end:
return rule;
}
int i;
enum lttng_event_rule_status status;
enum lttng_domain_type domain_type;
- enum lttng_loglevel_type loglevel_type;
const struct lttng_event_rule_tracepoint_comm *tracepoint_comm;
const char *pattern;
const char *filter_expression = NULL;
const char *exclusion;
struct lttng_buffer_view current_buffer_view;
struct lttng_event_rule *rule = NULL;
+ struct lttng_log_level_rule *log_level_rule = NULL;
if (!_event_rule) {
ret = -1;
goto end;
}
- loglevel_type = (enum lttng_loglevel_type)
- tracepoint_comm->loglevel_type;
- switch (loglevel_type) {
- case LTTNG_EVENT_LOGLEVEL_ALL:
- status = lttng_event_rule_tracepoint_set_log_level_all(rule);
- break;
- case LTTNG_EVENT_LOGLEVEL_RANGE:
- status = lttng_event_rule_tracepoint_set_log_level_range_lower_bound(rule,
- (enum lttng_loglevel_type) tracepoint_comm
- ->loglevel_value);
- break;
- case LTTNG_EVENT_LOGLEVEL_SINGLE:
- status = lttng_event_rule_tracepoint_set_log_level(rule,
- (enum lttng_loglevel_type) tracepoint_comm
- ->loglevel_value);
- break;
- default:
- ERR("Failed to set event rule tracepoint loglevel: unknown loglevel type.");
- ret = -1;
- goto end;
- }
-
- if (status != LTTNG_EVENT_RULE_STATUS_OK) {
- ERR("Failed to set event rule tracepoint loglevel.");
- }
-
/* Skip to payload. */
offset += current_buffer_view.size;
offset += tracepoint_comm->filter_expression_len;
skip_filter_expression:
+ if (!tracepoint_comm->log_level_rule_len) {
+ goto skip_log_level_rule;
+ }
+
+ {
+ /* Map the log level rule. */
+ struct lttng_payload_view current_payload_view =
+ lttng_payload_view_from_view(view, offset,
+ tracepoint_comm->log_level_rule_len);
+
+ ret = lttng_log_level_rule_create_from_payload(
+ ¤t_payload_view, &log_level_rule);
+ if (ret < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ assert(ret == tracepoint_comm->log_level_rule_len);
+ }
+
+ /* Skip after the log level rule. */
+ offset += tracepoint_comm->log_level_rule_len;
+
+skip_log_level_rule:
for (i = 0; i < tracepoint_comm->exclusions_count; i++) {
current_buffer_view = lttng_buffer_view_from_view(
&view->buffer, offset, sizeof(*exclusion_len));
}
}
+ if (log_level_rule) {
+ status = lttng_event_rule_tracepoint_set_log_level_rule(
+ rule, log_level_rule);
+ if (status != LTTNG_EVENT_RULE_STATUS_OK) {
+ ERR("Failed to set event rule tracepoint log level rule.");
+ ret = -1;
+ goto end;
+ }
+ }
+
*_event_rule = rule;
rule = NULL;
ret = offset;
end:
free(exclusions);
+ lttng_log_level_rule_destroy(log_level_rule);
lttng_event_rule_destroy(rule);
return ret;
}
return status;
}
-static bool log_level_value_valid(
- int level, enum lttng_domain_type domain)
+static bool log_level_rule_valid(const struct lttng_log_level_rule *rule,
+ enum lttng_domain_type domain)
{
bool valid = false;
+ enum lttng_log_level_rule_status status;
+ int level;
+
+ 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);
+ break;
+ case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS:
+ status = lttng_log_level_rule_at_least_as_severe_as_get_level(
+ rule, &level);
+ break;
+ default:
+ abort();
+ }
+
+ assert(status == LTTNG_LOG_LEVEL_RULE_STATUS_OK);
switch (domain) {
case LTTNG_DOMAIN_KERNEL:
+ valid = false;
+ break;
case LTTNG_DOMAIN_UST:
if (level < LTTNG_LOGLEVEL_EMERG) {
/* Invalid. */
case LTTNG_DOMAIN_PYTHON:
/*
* For both JUL and LOG4J custom log level are possible and can
- * spawn the entire int32 range.
+ * span the entire int32 range.
+ *
* For python, custom log level are possible, it is not clear if
* negative value are accepted (NOTSET == 0) but the source code
- * validate against the int type implying that negative values
+ * validates against the int type implying that negative values
* are accepted.
*/
valid = true;
goto end;
-
case LTTNG_DOMAIN_NONE:
default:
abort();
return valid;
}
-enum lttng_event_rule_status lttng_event_rule_tracepoint_set_log_level(
- struct lttng_event_rule *rule, int level)
+enum lttng_event_rule_status lttng_event_rule_tracepoint_set_log_level_rule(
+ struct lttng_event_rule *rule,
+ const struct lttng_log_level_rule *log_level_rule)
{
struct lttng_event_rule_tracepoint *tracepoint;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
+ struct lttng_log_level_rule *copy = NULL;
if (!rule || !IS_TRACEPOINT_EVENT_RULE(rule)) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
tracepoint = container_of(
rule, struct lttng_event_rule_tracepoint, parent);
- if (!log_level_value_valid(level, tracepoint->domain)) {
+ if (!log_level_rule_valid(log_level_rule, tracepoint->domain)) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
- tracepoint->loglevel.value = level;
- tracepoint->loglevel.type = LTTNG_EVENT_LOGLEVEL_SINGLE;
-end:
- return status;
-}
-
-enum lttng_event_rule_status
-lttng_event_rule_tracepoint_set_log_level_range_lower_bound(
- struct lttng_event_rule *rule, int level)
-{
- struct lttng_event_rule_tracepoint *tracepoint;
- enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
-
- if (!rule || !IS_TRACEPOINT_EVENT_RULE(rule)) {
- status = LTTNG_EVENT_RULE_STATUS_INVALID;
+ copy = lttng_log_level_rule_copy(log_level_rule);
+ if (copy == NULL) {
+ status = LTTNG_EVENT_RULE_STATUS_ERROR;
goto end;
}
- tracepoint = container_of(
- rule, struct lttng_event_rule_tracepoint, parent);
-
- if (!log_level_value_valid(level, tracepoint->domain)) {
- status = LTTNG_EVENT_RULE_STATUS_INVALID;
- goto end;
+ if (tracepoint->log_level_rule) {
+ lttng_log_level_rule_destroy(tracepoint->log_level_rule);
}
- tracepoint->loglevel.value = level;
- tracepoint->loglevel.type = LTTNG_EVENT_LOGLEVEL_RANGE;
-end:
- return status;
-}
-
-enum lttng_event_rule_status lttng_event_rule_tracepoint_set_log_level_all(
- struct lttng_event_rule *rule)
-{
- struct lttng_event_rule_tracepoint *tracepoint;
- enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
-
- if (!rule || !IS_TRACEPOINT_EVENT_RULE(rule)) {
- status = LTTNG_EVENT_RULE_STATUS_INVALID;
- goto end;
- }
+ tracepoint->log_level_rule = copy;
- tracepoint = container_of(
- rule, struct lttng_event_rule_tracepoint, parent);
- tracepoint->loglevel.type = LTTNG_EVENT_LOGLEVEL_ALL;
end:
return status;
}
-enum lttng_event_rule_status lttng_event_rule_tracepoint_get_log_level_type(
+enum lttng_event_rule_status lttng_event_rule_tracepoint_get_log_level_rule(
const struct lttng_event_rule *rule,
- enum lttng_loglevel_type *type)
-{
- struct lttng_event_rule_tracepoint *tracepoint;
- enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
-
- if (!rule || !IS_TRACEPOINT_EVENT_RULE(rule) || !type) {
- status = LTTNG_EVENT_RULE_STATUS_INVALID;
- goto end;
- }
-
- tracepoint = container_of(
- rule, struct lttng_event_rule_tracepoint, parent);
- *type = tracepoint->loglevel.type;
-end:
- return status;
-}
-
-enum lttng_event_rule_status lttng_event_rule_tracepoint_get_log_level(
- const struct lttng_event_rule *rule, int *level)
+ const struct lttng_log_level_rule **log_level_rule
+ )
{
struct lttng_event_rule_tracepoint *tracepoint;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
- if (!rule || !IS_TRACEPOINT_EVENT_RULE(rule) || !level) {
+ if (!rule || !IS_TRACEPOINT_EVENT_RULE(rule) || !log_level_rule) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
tracepoint = container_of(
rule, struct lttng_event_rule_tracepoint, parent);
- if (tracepoint->loglevel.type == LTTNG_EVENT_LOGLEVEL_ALL) {
+ if (tracepoint->log_level_rule == NULL) {
status = LTTNG_EVENT_RULE_STATUS_UNSET;
goto end;
}
- *level = tracepoint->loglevel.value;
+ *log_level_rule = tracepoint->log_level_rule;
end:
return status;
}