/*
- * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
- * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program 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 General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef LTTNG_SESSIOND_AGENT_H
*/
extern struct lttng_ht *agent_apps_ht_by_sock;
+/*
+ * Hash table that contains the trigger agents by domain */
+extern struct lttng_ht *trigger_agents_ht_by_domain;
+
struct agent_ht_key {
const char *name;
int loglevel_value;
enum lttng_loglevel_type loglevel_type;
- char *filter_expression;
+ const char *filter_expression;
};
/*
struct lttng_ht_node_str node;
/* Filter associated with the event. NULL if none. */
- struct lttng_filter_bytecode *filter;
+ struct lttng_bytecode *filter;
char *filter_expression;
struct lttng_event_exclusion *exclusion;
+
+ /*
+ * Multiple triggers and events can use this agent event.
+ * The event can only be disabled when the count is zero.
+ */
+ unsigned int user_refcount;
};
/*
/* Agent event API. */
struct agent_event *agent_create_event(const char *name,
enum lttng_loglevel_type loglevel_type, int loglevel_value,
- struct lttng_filter_bytecode *filter,
+ struct lttng_bytecode *filter,
char *filter_expression);
void agent_add_event(struct agent_event *event, struct agent *agt);
struct agent_event *agent_find_event(const char *name,
- enum lttng_loglevel_type loglevel_type, int loglevel_value,
- char *filter_expression, struct agent *agt);
+ enum lttng_loglevel_type loglevel_type,
+ int loglevel_value,
+ const char *filter_expression,
+ struct agent *agt);
void agent_find_events_by_name(const char *name, struct agent *agt,
struct lttng_ht_iter* iter);
void agent_event_next_duplicate(const char *name,
enum lttng_domain_type domain);
int agent_disable_event(struct agent_event *event,
enum lttng_domain_type domain);
-void agent_update(struct agent *agt, int sock);
+void agent_update(const struct agent *agt, const struct agent_app *app);
int agent_list_events(struct lttng_event **events,
enum lttng_domain_type domain);
+struct agent_event *agent_find_event_by_trigger(
+ const struct lttng_trigger *trigger, struct agent *agt);
+
+/* todo: find a better place for this */
+struct agent *trigger_find_agent(enum lttng_domain_type domain_type);
+void trigger_agent_ht_clean(void);
+int trigger_agent_ht_alloc(void);
+
#endif /* LTTNG_SESSIOND_AGENT_H */