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-internal.h>
28 #include <babeltrace/ctf-ir/event.h>
29 #include <babeltrace/ctf-ir/event-internal.h>
30 #include <babeltrace/ctf-ir/event-class-internal.h>
31 #include <babeltrace/ctf-ir/stream-class-internal.h>
32 #include <babeltrace/ctf-ir/trace.h>
33 #include <babeltrace/graph/clock-class-priority-map.h>
34 #include <babeltrace/graph/clock-class-priority-map-internal.h>
35 #include <babeltrace/graph/notification-event-internal.h>
36 #include <babeltrace/types.h>
40 void bt_notification_event_destroy(struct bt_object
*obj
)
42 struct bt_notification_event
*notification
=
43 (struct bt_notification_event
*) obj
;
45 BT_PUT(notification
->event
);
46 BT_PUT(notification
->cc_prio_map
);
51 bt_bool
validate_clock_classes(struct bt_notification_event
*notif
)
54 * For each clock class found in the notification's clock class
55 * priority map, make sure the event has a clock value set for
56 * this clock class. Also make sure that those clock classes
57 * are part of the trace to which the event belongs.
59 bt_bool is_valid
= BT_TRUE
;
61 int cc_prio_map_cc_count
;
62 size_t cc_prio_map_cc_i
, trace_cc_i
;
63 struct bt_ctf_event_class
*event_class
= NULL
;
64 struct bt_ctf_stream_class
*stream_class
= NULL
;
65 struct bt_ctf_trace
*trace
= NULL
;
67 event_class
= bt_ctf_event_borrow_event_class(notif
->event
);
69 stream_class
= bt_ctf_event_class_borrow_stream_class(event_class
);
71 trace
= bt_ctf_stream_class_borrow_trace(stream_class
);
73 trace_cc_count
= bt_ctf_trace_get_clock_class_count(trace
);
74 assert(trace_cc_count
>= 0);
75 cc_prio_map_cc_count
=
76 bt_clock_class_priority_map_get_clock_class_count(
78 assert(cc_prio_map_cc_count
>= 0);
80 for (cc_prio_map_cc_i
= 0; cc_prio_map_cc_i
< cc_prio_map_cc_count
;
82 struct bt_ctf_clock_class
*clock_class
=
83 bt_clock_class_priority_map_get_clock_class_by_index(
84 notif
->cc_prio_map
, cc_prio_map_cc_i
);
85 struct bt_ctf_clock_value
*clock_value
;
86 bt_bool found_in_trace
= BT_FALSE
;
89 clock_value
= bt_ctf_event_get_clock_value(notif
->event
,
98 for (trace_cc_i
= 0; trace_cc_i
< trace_cc_count
;
100 struct bt_ctf_clock_class
*trace_clock_class
=
101 bt_ctf_trace_get_clock_class_by_index(trace
,
104 assert(trace_clock_class
);
106 if (trace_clock_class
== clock_class
) {
107 found_in_trace
= BT_TRUE
;
114 if (!found_in_trace
) {
125 bool event_has_trace(struct bt_ctf_event
*event
)
127 struct bt_ctf_event_class
*event_class
;
128 struct bt_ctf_stream_class
*stream_class
;
130 event_class
= bt_ctf_event_borrow_event_class(event
);
132 stream_class
= bt_ctf_event_class_borrow_stream_class(event_class
);
133 assert(stream_class
);
134 return bt_ctf_stream_class_borrow_trace(stream_class
) != NULL
;
137 struct bt_notification
*bt_notification_event_create(struct bt_ctf_event
*event
,
138 struct bt_clock_class_priority_map
*cc_prio_map
)
140 struct bt_notification_event
*notification
= NULL
;
142 if (!event
|| !cc_prio_map
) {
146 if (!bt_ctf_event_borrow_packet(event
)) {
150 if (!event_has_trace(event
)) {
154 notification
= g_new0(struct bt_notification_event
, 1);
158 bt_notification_init(¬ification
->parent
,
159 BT_NOTIFICATION_TYPE_EVENT
,
160 bt_notification_event_destroy
);
161 notification
->event
= bt_get(event
);
162 notification
->cc_prio_map
= bt_get(cc_prio_map
);
163 if (!validate_clock_classes(notification
)) {
167 bt_ctf_event_freeze(notification
->event
);
168 bt_clock_class_priority_map_freeze(notification
->cc_prio_map
);
169 return ¬ification
->parent
;
171 bt_put(notification
);
175 struct bt_ctf_event
*bt_notification_event_get_event(
176 struct bt_notification
*notification
)
178 struct bt_ctf_event
*event
= NULL
;
179 struct bt_notification_event
*event_notification
;
181 if (bt_notification_get_type(notification
) !=
182 BT_NOTIFICATION_TYPE_EVENT
) {
185 event_notification
= container_of(notification
,
186 struct bt_notification_event
, parent
);
187 event
= bt_get(event_notification
->event
);
192 extern struct bt_clock_class_priority_map
*
193 bt_notification_event_get_clock_class_priority_map(
194 struct bt_notification
*notification
)
196 struct bt_clock_class_priority_map
*cc_prio_map
= NULL
;
197 struct bt_notification_event
*event_notification
;
199 if (bt_notification_get_type(notification
) !=
200 BT_NOTIFICATION_TYPE_EVENT
) {
204 event_notification
= container_of(notification
,
205 struct bt_notification_event
, parent
);
206 cc_prio_map
= bt_get(event_notification
->cc_prio_map
);