trigger: lttng_trigger_get_underlying_domain_type_restriction
[lttng-tools.git] / src / common / trigger.c
index 8c43fdbd8aaa8aa7f7ad1fda253ea8701c7f751c..132fda138912ef8ac264f6452f274614c1b19eca 100644 (file)
@@ -7,10 +7,14 @@
 
 #include <lttng/trigger/trigger-internal.h>
 #include <lttng/condition/condition-internal.h>
+#include <lttng/condition/event-rule.h>
+#include <lttng/condition/buffer-usage.h>
+#include <lttng/event-rule/event-rule-internal.h>
 #include <lttng/action/action-internal.h>
 #include <common/credentials.h>
 #include <common/payload.h>
 #include <common/payload-view.h>
+#include <lttng/domain.h>
 #include <common/error.h>
 #include <common/dynamic-array.h>
 #include <common/optional.h>
@@ -881,3 +885,46 @@ void lttng_trigger_fire(struct lttng_trigger *trigger)
                abort();
        };
 }
+
+LTTNG_HIDDEN
+enum lttng_domain_type lttng_trigger_get_underlying_domain_type_restriction(
+               const struct lttng_trigger *trigger)
+{
+       enum lttng_domain_type type = LTTNG_DOMAIN_NONE;
+       const struct lttng_event_rule *event_rule;
+       enum lttng_condition_status c_status;
+       enum lttng_condition_type c_type;
+
+       assert(trigger);
+       assert(trigger->condition);
+
+       c_type = lttng_condition_get_type(trigger->condition);
+       assert (c_type != LTTNG_CONDITION_TYPE_UNKNOWN);
+
+       switch (c_type) {
+       case LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE:
+       case LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING:
+       case LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED:
+               /* Apply to any domain. */
+               type = LTTNG_DOMAIN_NONE;
+               break;
+       case LTTNG_CONDITION_TYPE_EVENT_RULE_HIT:
+               /* Return the domain of the event rule. */
+               c_status = lttng_condition_event_rule_get_rule(
+                               trigger->condition, &event_rule);
+               assert(c_status == LTTNG_CONDITION_STATUS_OK);
+               type = lttng_event_rule_get_domain_type(event_rule);
+               break;
+       case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH:
+       case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW:
+               /* Return the domain of the channel being monitored. */
+               c_status = lttng_condition_buffer_usage_get_domain_type(
+                               trigger->condition, &type);
+               assert(c_status == LTTNG_CONDITION_STATUS_OK);
+               break;
+       default:
+               abort();
+       }
+
+       return type;
+}
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