X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Ftrigger%2Ftrigger-internal.h;h=df69f3d110a2c49fe970f80883f74f018cea0c37;hp=8c44f5cdf1113b0cb93940c703c3534bcffc67a4;hb=e6887944f09a8985efb521ea638b4dfe557ff4ed;hpb=9b63a4aa352c184984395c097f86d5e54c295012

diff --git a/include/lttng/trigger/trigger-internal.h b/include/lttng/trigger/trigger-internal.h
index 8c44f5cdf..df69f3d11 100644
--- a/include/lttng/trigger/trigger-internal.h
+++ b/include/lttng/trigger/trigger-internal.h
@@ -1,50 +1,66 @@
 /*
- * 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;
+	char *name;
+	/* For now only the uid portion of the credentials is used. */
+	struct lttng_credentials creds;
+	/*
+	 * Internal use only.
+	 * The unique token passed to the tracer to identify an event-rule
+	 * notification.
+	 */
+	LTTNG_OPTIONAL(uint64_t) tracer_token;
 };
 
 struct lttng_trigger_comm {
-	/* length excludes its own length. */
+	/*
+	 * Credentials, only the uid portion is used for now.
+	 * Used as an override when desired by the root user.
+	 */
+	uint64_t uid;
+	/*
+	 * Length of the variable length payload (name, condition, and
+	 * an action).
+	 */
 	uint32_t length;
-	/* A condition and action object follow. */
+	/* Includes '\0' terminator. */
+	uint32_t name_length;
+	/* A null-terminated name, a condition, and an action 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(
@@ -57,4 +73,37 @@ const struct lttng_action *lttng_trigger_get_const_action(
 LTTNG_HIDDEN
 bool lttng_trigger_validate(struct lttng_trigger *trigger);
 
+LTTNG_HIDDEN
+int lttng_trigger_assign_name(
+		struct lttng_trigger *dst, const struct lttng_trigger *src);
+
+LTTNG_HIDDEN
+void lttng_trigger_set_tracer_token(
+		struct lttng_trigger *trigger, uint64_t token);
+
+LTTNG_HIDDEN
+uint64_t lttng_trigger_get_tracer_token(const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+int lttng_trigger_generate_name(struct lttng_trigger *trigger,
+		uint64_t unique_id);
+
+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 */