2 * Babeltrace Plug-in Event Notification
4 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 #include <babeltrace/compiler.h>
28 #include <babeltrace/ctf-ir/event.h>
29 #include <babeltrace/ctf-ir/event-class.h>
30 #include <babeltrace/ctf-ir/stream-class.h>
31 #include <babeltrace/ctf-ir/trace.h>
32 #include <babeltrace/graph/clock-class-priority-map.h>
33 #include <babeltrace/graph/notification-event-internal.h>
36 void bt_notification_event_destroy(struct bt_object
*obj
)
38 struct bt_notification_event
*notification
=
39 (struct bt_notification_event
*) obj
;
41 BT_PUT(notification
->event
);
42 BT_PUT(notification
->cc_prio_map
);
47 bool validate_clock_classes(struct bt_notification_event
*notif
)
50 * For each clock class found in the event's trace, get the
51 * event's clock value for this clock class, and if it exists,
52 * make sure that this clock class has a priority in the
53 * notification's clock class priority map.
59 struct bt_ctf_event_class
*event_class
= NULL
;
60 struct bt_ctf_stream_class
*stream_class
= NULL
;
61 struct bt_ctf_trace
*trace
= NULL
;
64 event_class
= bt_ctf_event_get_class(notif
->event
);
66 stream_class
= bt_ctf_event_class_get_stream_class(event_class
);
68 trace
= bt_ctf_stream_class_get_trace(stream_class
);
70 count
= bt_ctf_trace_get_clock_class_count(trace
);
73 for (i
= 0; i
< count
; i
++) {
74 struct bt_ctf_clock_class
*clock_class
=
75 bt_ctf_trace_get_clock_class(trace
, i
);
78 ret
= bt_clock_class_priority_map_get_clock_class_priority(
79 notif
->cc_prio_map
, clock_class
, &prio
);
94 struct bt_notification
*bt_notification_event_create(struct bt_ctf_event
*event
,
95 struct bt_clock_class_priority_map
*cc_prio_map
)
97 struct bt_notification_event
*notification
;
99 if (!event
|| !cc_prio_map
) {
103 // FIXME - Validate that the event is associated to a packet
104 // and freeze the event.
105 notification
= g_new0(struct bt_notification_event
, 1);
109 bt_notification_init(¬ification
->parent
,
110 BT_NOTIFICATION_TYPE_EVENT
,
111 bt_notification_event_destroy
);
112 notification
->event
= bt_get(event
);
113 notification
->cc_prio_map
= bt_get(cc_prio_map
);
115 if (!validate_clock_classes(notification
)) {
116 bt_put(notification
);
120 return ¬ification
->parent
;
125 struct bt_ctf_event
*bt_notification_event_get_event(
126 struct bt_notification
*notification
)
128 struct bt_ctf_event
*event
= NULL
;
129 struct bt_notification_event
*event_notification
;
131 if (bt_notification_get_type(notification
) !=
132 BT_NOTIFICATION_TYPE_EVENT
) {
135 event_notification
= container_of(notification
,
136 struct bt_notification_event
, parent
);
137 event
= bt_get(event_notification
->event
);
142 extern struct bt_clock_class_priority_map
*
143 bt_notification_event_get_clock_class_priority_map(
144 struct bt_notification
*notification
)
146 struct bt_clock_class_priority_map
*cc_prio_map
= NULL
;
147 struct bt_notification_event
*event_notification
;
149 if (bt_notification_get_type(notification
) !=
150 BT_NOTIFICATION_TYPE_EVENT
) {
154 event_notification
= container_of(notification
,
155 struct bt_notification_event
, parent
);
156 cc_prio_map
= bt_get(event_notification
->cc_prio_map
);