condition: implement event rule based condition

[lttng-tools.git] / include / lttng / condition / event-rule-internal.h

diff --git a/include/lttng/condition/event-rule-internal.h b/include/lttng/condition/event-rule-internal.h
new file mode 100644 (file)
index 0000000..a4e02c5
--- /dev/null
+++ b/include/lttng/condition/event-rule-internal.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_CONDITION_EVENT_RULE_INTERNAL_H
+#define LTTNG_CONDITION_EVENT_RULE_INTERNAL_H
+
+#include <lttng/condition/condition-internal.h>
+#include <common/buffer-view.h>
+#include <common/macros.h>
+#include <lttng/condition/evaluation-internal.h>
+
+struct lttng_condition_event_rule {
+       struct lttng_condition parent;
+       struct lttng_event_rule *rule;
+};
+
+struct lttng_condition_event_rule_comm {
+       /* length excludes the header's length. */
+       uint32_t event_rule_length;
+       /* Event rule follows. */
+       char payload[];
+} LTTNG_PACKED;
+
+struct lttng_evaluation_event_rule {
+       struct lttng_evaluation parent;
+       char *name;
+};
+
+struct lttng_evaluation_event_rule_comm {
+       /* Includes the null terminator. */
+       uint32_t trigger_name_length;
+       /* Trigger name. */
+       char payload[];
+} LTTNG_PACKED;
+
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_event_rule_create_from_payload(
+               struct lttng_payload_view *view,
+               struct lttng_condition **condition);
+
+LTTNG_HIDDEN
+enum lttng_condition_status
+lttng_condition_event_rule_borrow_rule_mutable(
+               const struct lttng_condition *condition,
+               struct lttng_event_rule **rule);
+
+LTTNG_HIDDEN
+struct lttng_evaluation *lttng_evaluation_event_rule_create(
+               const char* trigger_name);
+
+LTTNG_HIDDEN
+ssize_t lttng_evaluation_event_rule_create_from_payload(
+               struct lttng_payload_view *view,
+               struct lttng_evaluation **_evaluation);
+
+#endif /* LTTNG_CONDITION_EVENT_RULE_INTERNAL_H */