From 668ba131ece0e5ea9c82f4345cf74a09c6ccc208 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=A9mie=20Galarneau?=
 <jeremie.galarneau@efficios.com>
Date: Mon, 27 Feb 2017 19:45:25 -0500
Subject: [PATCH] lttng-ctl: Implement the trigger interface
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Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---
 include/Makefile.am                      |  3 +-
 include/lttng/trigger/trigger-internal.h | 29 +++++++++++++
 src/lib/lttng-ctl/Makefile.am            |  2 +-
 src/lib/lttng-ctl/trigger.c              | 53 ++++++++++++++++++++++++
 4 files changed, 85 insertions(+), 2 deletions(-)
 create mode 100644 include/lttng/trigger/trigger-internal.h
 create mode 100644 src/lib/lttng-ctl/trigger.c

diff --git a/include/Makefile.am b/include/Makefile.am
index 8c12072a8..bb682205e 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -89,4 +89,5 @@ noinst_HEADERS = \
 	lttng/condition/condition-internal.h \
 	lttng/condition/buffer-usage-internal.h \
 	lttng/condition/evaluation-internal.h \
-	lttng/notification/notification-internal.h
+	lttng/notification/notification-internal.h \
+	lttng/trigger/trigger-internal.h
diff --git a/include/lttng/trigger/trigger-internal.h b/include/lttng/trigger/trigger-internal.h
new file mode 100644
index 000000000..bd9cf6900
--- /dev/null
+++ b/include/lttng/trigger/trigger-internal.h
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ *
+ * 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/macros.h>
+
+struct lttng_trigger {
+	struct lttng_condition *condition;
+	struct lttng_action *action;
+};
+
+#endif /* LTTNG_TRIGGER_INTERNAL_H */
diff --git a/src/lib/lttng-ctl/Makefile.am b/src/lib/lttng-ctl/Makefile.am
index 90252656a..89c84676b 100644
--- a/src/lib/lttng-ctl/Makefile.am
+++ b/src/lib/lttng-ctl/Makefile.am
@@ -7,7 +7,7 @@ lib_LTLIBRARIES = liblttng-ctl.la
 liblttng_ctl_la_SOURCES = lttng-ctl.c snapshot.c lttng-ctl-helper.h \
 		lttng-ctl-health.c save.c load.c deprecated-symbols.c \
 		action.c notify.c condition.c buffer-usage.c evaluation.c \
-		notification.c
+		notification.c trigger.c
 
 liblttng_ctl_la_LDFLAGS = \
 		$(LT_NO_UNDEFINED)
diff --git a/src/lib/lttng-ctl/trigger.c b/src/lib/lttng-ctl/trigger.c
new file mode 100644
index 000000000..cbcd807d7
--- /dev/null
+++ b/src/lib/lttng-ctl/trigger.c
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ *
+ * 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
+ */
+
+#include <lttng/trigger/trigger-internal.h>
+#include <lttng/condition/condition.h>
+#include <lttng/action/action.h>
+#include <assert.h>
+
+struct lttng_trigger *lttng_trigger_create(
+		struct lttng_condition *condition,
+		struct lttng_action *action)
+{
+	struct lttng_trigger *trigger = NULL;
+
+	if (!condition || !action) {
+		goto end;
+	}
+
+	trigger = zmalloc(sizeof(struct lttng_trigger));
+	if (!trigger) {
+		goto end;
+	}
+
+	trigger->condition = condition;
+	trigger->action = action;
+end:
+	return trigger;
+}
+
+void lttng_trigger_destroy(struct lttng_trigger *trigger)
+{
+	if (!trigger) {
+		return;
+	}
+
+	lttng_condition_destroy(trigger->condition);
+	lttng_action_destroy(trigger->action);
+	free(trigger);
+}
-- 
2.34.1