trigger: implement is_equal

[lttng-tools.git] / include / lttng / trigger / trigger-internal.h

diff --git a/include/lttng/trigger/trigger-internal.h b/include/lttng/trigger/trigger-internal.h
index 22975bf41d96136ca64e0488b497ff8cf0acfbcb..6d05b6d1d3ed38b2f789e30f731d6ec6d6a18276 100644 (file)
--- a/include/lttng/trigger/trigger-internal.h
+++ b/include/lttng/trigger/trigger-internal.h
@@ -1,52 +1,82 @@
 /*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef LTTNG_TRIGGER_INTERNAL_H
 #define LTTNG_TRIGGER_INTERNAL_H
 
 #include <lttng/trigger/trigger.h>
+#include <common/credentials.h>
 #include <common/macros.h>
-#include <common/buffer-view.h>
-#include <common/dynamic-buffer.h>
+#include <common/optional.h>
 #include <stdint.h>
 #include <stdbool.h>
 #include <sys/types.h>
+#include <urcu/ref.h>
+
+struct lttng_payload;
+struct lttng_payload_view;
 
 struct lttng_trigger {
+       /* Reference counting is only exposed to internal users. */
+       struct urcu_ref ref;
+
        struct lttng_condition *condition;
        struct lttng_action *action;
+       /* For now only the uid portion of the credentials is used. */
+       struct lttng_credentials creds;
 };
 
 struct lttng_trigger_comm {
        /* length excludes its own length. */
        uint32_t length;
+       /*
+        * Credentials, only the uid portion is used for now.
+        * Used as an override when desired by the root user.
+        */
+       uint64_t uid;
        /* A condition and action object follow. */
        char payload[];
 } LTTNG_PACKED;
 
 LTTNG_HIDDEN
-ssize_t lttng_trigger_create_from_buffer(const struct lttng_buffer_view *view,
+ssize_t lttng_trigger_create_from_payload(struct lttng_payload_view *view,
                struct lttng_trigger **trigger);
 
 LTTNG_HIDDEN
 int lttng_trigger_serialize(struct lttng_trigger *trigger,
-               struct lttng_dynamic_buffer *buf);
+               struct lttng_payload *payload);
+
+LTTNG_HIDDEN
+const struct lttng_condition *lttng_trigger_get_const_condition(
+               const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+const struct lttng_action *lttng_trigger_get_const_action(
+               const struct lttng_trigger *trigger);
 
 LTTNG_HIDDEN
 bool lttng_trigger_validate(struct lttng_trigger *trigger);
 
+LTTNG_HIDDEN
+bool lttng_trigger_is_equal(
+               const struct lttng_trigger *a, const struct lttng_trigger *b);
+
+LTTNG_HIDDEN
+void lttng_trigger_get(struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+void lttng_trigger_put(struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+const struct lttng_credentials *lttng_trigger_get_credentials(
+               const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+void lttng_trigger_set_credentials(struct lttng_trigger *trigger,
+               const struct lttng_credentials *creds);
+
 #endif /* LTTNG_TRIGGER_INTERNAL_H */