lttng-ctl: Implement the trigger interface

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/include/Makefile.am b/include/Makefile.am
index 8c12072a87eb50efaf183ca92b814f6ea64678e3..bb682205e4d0cc2746707c3004a3cb55e73336aa 100644 (file)
--- 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 (file)
index 0000000..bd9cf69
--- /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 90252656afac6c8e88f9103705add0ec9affb278..89c84676b481c105c1fe877948c245a4bd64bf2f 100644 (file)
--- 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 (file)
index 0000000..cbcd807
--- /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);
+}