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d51202da JG |
1 | /* |
2 | * Babeltrace Plug-in Event Notification | |
3 | * | |
4 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
5 | * | |
6 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
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: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
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 | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
3d9990ac | 27 | #include <babeltrace/compiler-internal.h> |
599faa1c | 28 | #include <babeltrace/ctf-ir/event.h> |
80f00602 | 29 | #include <babeltrace/ctf-ir/event-internal.h> |
d8a36e14 PP |
30 | #include <babeltrace/ctf-ir/event-class-internal.h> |
31 | #include <babeltrace/ctf-ir/stream-class-internal.h> | |
599faa1c PP |
32 | #include <babeltrace/ctf-ir/trace.h> |
33 | #include <babeltrace/graph/clock-class-priority-map.h> | |
fe650ea4 | 34 | #include <babeltrace/graph/clock-class-priority-map-internal.h> |
b2e0c907 | 35 | #include <babeltrace/graph/notification-event-internal.h> |
c55a9f58 | 36 | #include <babeltrace/types.h> |
d51202da JG |
37 | |
38 | static | |
39 | void bt_notification_event_destroy(struct bt_object *obj) | |
40 | { | |
41 | struct bt_notification_event *notification = | |
42 | (struct bt_notification_event *) obj; | |
43 | ||
44 | BT_PUT(notification->event); | |
599faa1c | 45 | BT_PUT(notification->cc_prio_map); |
d51202da JG |
46 | g_free(notification); |
47 | } | |
48 | ||
599faa1c | 49 | static |
c55a9f58 | 50 | bt_bool validate_clock_classes(struct bt_notification_event *notif) |
599faa1c PP |
51 | { |
52 | /* | |
d8a36e14 PP |
53 | * For each clock class found in the notification's clock class |
54 | * priority map, make sure the event has a clock value set for | |
55 | * this clock class. Also make sure that those clock classes | |
56 | * are part of the trace to which the event belongs. | |
599faa1c | 57 | */ |
c55a9f58 | 58 | bt_bool is_valid = BT_TRUE; |
d8a36e14 PP |
59 | int trace_cc_count; |
60 | int cc_prio_map_cc_count; | |
61 | size_t cc_prio_map_cc_i, trace_cc_i; | |
599faa1c PP |
62 | struct bt_ctf_event_class *event_class = NULL; |
63 | struct bt_ctf_stream_class *stream_class = NULL; | |
64 | struct bt_ctf_trace *trace = NULL; | |
599faa1c | 65 | |
d8a36e14 | 66 | event_class = bt_ctf_event_borrow_event_class(notif->event); |
599faa1c | 67 | assert(event_class); |
d8a36e14 | 68 | stream_class = bt_ctf_event_class_borrow_stream_class(event_class); |
599faa1c | 69 | assert(stream_class); |
d8a36e14 | 70 | trace = bt_ctf_stream_class_borrow_trace(stream_class); |
599faa1c | 71 | assert(trace); |
d8a36e14 PP |
72 | trace_cc_count = bt_ctf_trace_get_clock_class_count(trace); |
73 | assert(trace_cc_count >= 0); | |
74 | cc_prio_map_cc_count = | |
75 | bt_clock_class_priority_map_get_clock_class_count( | |
76 | notif->cc_prio_map); | |
77 | assert(cc_prio_map_cc_count >= 0); | |
599faa1c | 78 | |
d8a36e14 PP |
79 | for (cc_prio_map_cc_i = 0; cc_prio_map_cc_i < cc_prio_map_cc_count; |
80 | cc_prio_map_cc_i++) { | |
599faa1c | 81 | struct bt_ctf_clock_class *clock_class = |
9ac68eb1 | 82 | bt_clock_class_priority_map_get_clock_class_by_index( |
d8a36e14 PP |
83 | notif->cc_prio_map, cc_prio_map_cc_i); |
84 | struct bt_ctf_clock_value *clock_value; | |
c55a9f58 | 85 | bt_bool found_in_trace = BT_FALSE; |
599faa1c PP |
86 | |
87 | assert(clock_class); | |
d8a36e14 PP |
88 | clock_value = bt_ctf_event_get_clock_value(notif->event, |
89 | clock_class); | |
90 | if (!clock_value) { | |
c55a9f58 | 91 | is_valid = BT_FALSE; |
d8a36e14 PP |
92 | goto end; |
93 | } | |
94 | ||
95 | bt_put(clock_value); | |
96 | ||
97 | for (trace_cc_i = 0; trace_cc_i < trace_cc_count; | |
98 | trace_cc_i++) { | |
99 | struct bt_ctf_clock_class *trace_clock_class = | |
9ac68eb1 PP |
100 | bt_ctf_trace_get_clock_class_by_index(trace, |
101 | trace_cc_i); | |
d8a36e14 PP |
102 | |
103 | assert(trace_clock_class); | |
104 | ||
105 | if (trace_clock_class == clock_class) { | |
c55a9f58 | 106 | found_in_trace = BT_TRUE; |
d8a36e14 PP |
107 | break; |
108 | } | |
109 | } | |
110 | ||
599faa1c | 111 | bt_put(clock_class); |
d8a36e14 PP |
112 | |
113 | if (!found_in_trace) { | |
c55a9f58 | 114 | is_valid = BT_FALSE; |
599faa1c PP |
115 | goto end; |
116 | } | |
117 | } | |
118 | ||
119 | end: | |
599faa1c PP |
120 | return is_valid; |
121 | } | |
122 | ||
123 | struct bt_notification *bt_notification_event_create(struct bt_ctf_event *event, | |
124 | struct bt_clock_class_priority_map *cc_prio_map) | |
d51202da | 125 | { |
80f00602 | 126 | struct bt_notification_event *notification = NULL; |
d51202da | 127 | |
599faa1c | 128 | if (!event || !cc_prio_map) { |
d51202da JG |
129 | goto error; |
130 | } | |
131 | ||
80f00602 PP |
132 | if (!bt_ctf_event_borrow_packet(event)) { |
133 | goto error; | |
134 | } | |
135 | ||
d51202da | 136 | notification = g_new0(struct bt_notification_event, 1); |
24626e8b JG |
137 | if (!notification) { |
138 | goto error; | |
139 | } | |
d51202da JG |
140 | bt_notification_init(¬ification->parent, |
141 | BT_NOTIFICATION_TYPE_EVENT, | |
142 | bt_notification_event_destroy); | |
143 | notification->event = bt_get(event); | |
599faa1c | 144 | notification->cc_prio_map = bt_get(cc_prio_map); |
599faa1c | 145 | if (!validate_clock_classes(notification)) { |
599faa1c PP |
146 | goto error; |
147 | } | |
148 | ||
80f00602 | 149 | bt_ctf_event_freeze(notification->event); |
fe650ea4 | 150 | bt_clock_class_priority_map_freeze(notification->cc_prio_map); |
d51202da JG |
151 | return ¬ification->parent; |
152 | error: | |
80f00602 | 153 | bt_put(notification); |
d51202da JG |
154 | return NULL; |
155 | } | |
156 | ||
157 | struct bt_ctf_event *bt_notification_event_get_event( | |
158 | struct bt_notification *notification) | |
159 | { | |
08bfb670 | 160 | struct bt_ctf_event *event = NULL; |
d51202da JG |
161 | struct bt_notification_event *event_notification; |
162 | ||
08bfb670 JG |
163 | if (bt_notification_get_type(notification) != |
164 | BT_NOTIFICATION_TYPE_EVENT) { | |
165 | goto end; | |
166 | } | |
d51202da JG |
167 | event_notification = container_of(notification, |
168 | struct bt_notification_event, parent); | |
08bfb670 JG |
169 | event = bt_get(event_notification->event); |
170 | end: | |
171 | return event; | |
d51202da | 172 | } |
599faa1c PP |
173 | |
174 | extern struct bt_clock_class_priority_map * | |
175 | bt_notification_event_get_clock_class_priority_map( | |
176 | struct bt_notification *notification) | |
177 | { | |
178 | struct bt_clock_class_priority_map *cc_prio_map = NULL; | |
179 | struct bt_notification_event *event_notification; | |
180 | ||
181 | if (bt_notification_get_type(notification) != | |
182 | BT_NOTIFICATION_TYPE_EVENT) { | |
183 | goto end; | |
184 | } | |
185 | ||
186 | event_notification = container_of(notification, | |
187 | struct bt_notification_event, parent); | |
188 | cc_prio_map = bt_get(event_notification->cc_prio_map); | |
189 | end: | |
190 | return cc_prio_map; | |
191 | } |