#include <common/runas.h>
#include <common/hashtable/hashtable.h>
#include <common/hashtable/utils.h>
+#include <common/string-utils/string-utils.h>
#include <lttng/event-rule/event-rule-internal.h>
#include <lttng/event-rule/syscall-internal.h>
syscall_comm.pattern_len = pattern_len;
syscall_comm.filter_expression_len = filter_expression_len;
+ syscall_comm.emission_site_type = syscall->emission_site_type;
ret = lttng_dynamic_buffer_append(
&payload->buffer, &syscall_comm, sizeof(syscall_comm));
struct lttng_event_rule_syscall *syscall;
enum lttng_event_rule_status status;
const char *filter;
- struct lttng_filter_bytecode *bytecode = NULL;
+ struct lttng_bytecode *bytecode = NULL;
assert(rule);
return syscall->internal_filter.filter;
}
-static const struct lttng_filter_bytecode *
+static const struct lttng_bytecode *
lttng_event_rule_syscall_get_internal_filter_bytecode(
const struct lttng_event_rule *rule)
{
return syscall->internal_filter.bytecode;
}
-static struct lttng_event_exclusion *
-lttng_event_rule_syscall_generate_exclusions(
- const struct lttng_event_rule *rule)
+static enum lttng_event_rule_generate_exclusions_status
+lttng_event_rule_syscall_generate_exclusions(const struct lttng_event_rule *rule,
+ struct lttng_event_exclusion **exclusions)
{
- /* Not supported. */
- return NULL;
+ /* Unsupported. */
+ *exclusions = NULL;
+ return LTTNG_EVENT_RULE_GENERATE_EXCLUSIONS_STATUS_NONE;
}
static unsigned long
return hash;
}
-struct lttng_event_rule *lttng_event_rule_syscall_create(void)
+struct lttng_event_rule *lttng_event_rule_syscall_create(
+ enum lttng_event_rule_syscall_emission_site_type
+ emission_site_type)
{
struct lttng_event_rule *rule = NULL;
struct lttng_event_rule_syscall *syscall_rule;
+ enum lttng_event_rule_status status;
+
+ /* Validate the emission site type */
+ switch (emission_site_type) {
+ case LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_ENTRY_EXIT:
+ case LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_ENTRY:
+ case LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_EXIT:
+ break;
+ default:
+ /* Invalid emission type */
+ goto end;
+ }
syscall_rule = zmalloc(sizeof(struct lttng_event_rule_syscall));
if (!syscall_rule) {
syscall_rule->parent.generate_exclusions =
lttng_event_rule_syscall_generate_exclusions;
syscall_rule->parent.hash = lttng_event_rule_syscall_hash;
+
+ /* Default pattern is '*'. */
+ status = lttng_event_rule_syscall_set_name_pattern(rule, "*");
+ if (status != LTTNG_EVENT_RULE_STATUS_OK) {
+ lttng_event_rule_destroy(rule);
+ rule = NULL;
+ }
+
+ /* Emission site type */
+ syscall_rule->emission_site_type = emission_site_type;
+
end:
return rule;
}
}
syscall_comm = (typeof(syscall_comm)) current_buffer_view.data;
- rule = lttng_event_rule_syscall_create();
+ rule = lttng_event_rule_syscall_create(syscall_comm->emission_site_type);
if (!rule) {
ERR("Failed to create event rule syscall");
ret = -1;
skip_filter_expression:
- status = lttng_event_rule_syscall_set_pattern(rule, pattern);
+ status = lttng_event_rule_syscall_set_name_pattern(rule, pattern);
if (status != LTTNG_EVENT_RULE_STATUS_OK) {
ERR("Failed to set event rule syscall pattern");
ret = -1;
return ret;
}
-enum lttng_event_rule_status lttng_event_rule_syscall_set_pattern(
+enum lttng_event_rule_status lttng_event_rule_syscall_set_name_pattern(
struct lttng_event_rule *rule, const char *pattern)
{
char *pattern_copy = NULL;
goto end;
}
- if (syscall->pattern) {
- free(syscall->pattern);
- }
+ strutils_normalize_star_glob_pattern(pattern_copy);
+
+ free(syscall->pattern);
syscall->pattern = pattern_copy;
pattern_copy = NULL;
return status;
}
-enum lttng_event_rule_status lttng_event_rule_syscall_get_pattern(
+enum lttng_event_rule_status lttng_event_rule_syscall_get_name_pattern(
const struct lttng_event_rule *rule, const char **pattern)
{
struct lttng_event_rule_syscall *syscall;
end:
return status;
}
+extern enum lttng_event_rule_syscall_emission_site_type
+lttng_event_rule_syscall_get_emission_site_type(
+ const struct lttng_event_rule *rule)
+{
+ enum lttng_event_rule_syscall_emission_site_type emission_site_type =
+ LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_UNKNOWN;
+ struct lttng_event_rule_syscall *syscall;
+
+ if (!rule || !IS_SYSCALL_EVENT_RULE(rule)) {
+ goto end;
+ }
+
+ syscall = container_of(rule, struct lttng_event_rule_syscall, parent);
+ emission_site_type = syscall->emission_site_type;
+
+end:
+ return emission_site_type;
+}
+
+LTTNG_HIDDEN
+const char *lttng_event_rule_syscall_emission_site_str(
+ enum lttng_event_rule_syscall_emission_site_type type)
+{
+ switch (type) {
+ case LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_ENTRY:
+ return "entry";
+ case LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_ENTRY_EXIT:
+ return "entry+exit";
+ case LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_EXIT:
+ return "exit";
+ default:
+ return "???";
+ }
+}