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ece3fb0f PP |
1 | /* |
2 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include <babeltrace/object-internal.h> | |
3d9990ac | 24 | #include <babeltrace/compiler-internal.h> |
ece3fb0f PP |
25 | #include <babeltrace/ctf-ir/clock-class.h> |
26 | #include <babeltrace/graph/clock-class-priority-map.h> | |
fe650ea4 | 27 | #include <babeltrace/graph/clock-class-priority-map-internal.h> |
ece3fb0f PP |
28 | #include <babeltrace/graph/notification-internal.h> |
29 | #include <babeltrace/graph/notification-inactivity-internal.h> | |
30 | ||
31 | static | |
32 | void bt_notification_inactivity_destroy(struct bt_object *obj) | |
33 | { | |
34 | struct bt_notification_inactivity *notification = | |
35 | (struct bt_notification_inactivity *) obj; | |
36 | ||
37 | bt_put(notification->cc_prio_map); | |
38 | ||
39 | if (notification->clock_values) { | |
40 | g_hash_table_destroy(notification->clock_values); | |
41 | } | |
42 | ||
43 | g_free(notification); | |
44 | } | |
45 | ||
46 | struct bt_notification *bt_notification_inactivity_create( | |
47 | struct bt_clock_class_priority_map *cc_prio_map) | |
48 | { | |
49 | struct bt_notification_inactivity *notification; | |
50 | struct bt_notification *ret_notif = NULL; | |
51 | ||
52 | if (!cc_prio_map) { | |
53 | goto error; | |
54 | } | |
55 | ||
56 | notification = g_new0(struct bt_notification_inactivity, 1); | |
57 | if (!notification) { | |
58 | goto error; | |
59 | } | |
60 | bt_notification_init(¬ification->parent, | |
61 | BT_NOTIFICATION_TYPE_INACTIVITY, | |
62 | bt_notification_inactivity_destroy); | |
63 | ret_notif = ¬ification->parent; | |
64 | notification->clock_values = g_hash_table_new_full(g_direct_hash, | |
65 | g_direct_equal, bt_put, bt_put); | |
66 | if (!notification->clock_values) { | |
67 | goto error; | |
68 | } | |
69 | ||
70 | notification->cc_prio_map = bt_get(cc_prio_map); | |
fe650ea4 | 71 | bt_clock_class_priority_map_freeze(cc_prio_map); |
ece3fb0f PP |
72 | goto end; |
73 | ||
74 | error: | |
75 | BT_PUT(ret_notif); | |
76 | ||
77 | end: | |
78 | return ret_notif; | |
79 | } | |
80 | ||
81 | extern struct bt_clock_class_priority_map * | |
82 | bt_notification_inactivity_get_clock_class_priority_map( | |
83 | struct bt_notification *notification) | |
84 | { | |
85 | struct bt_clock_class_priority_map *cc_prio_map = NULL; | |
86 | struct bt_notification_inactivity *inactivity_notification; | |
87 | ||
88 | if (bt_notification_get_type(notification) != | |
89 | BT_NOTIFICATION_TYPE_INACTIVITY) { | |
90 | goto end; | |
91 | } | |
92 | ||
93 | inactivity_notification = container_of(notification, | |
94 | struct bt_notification_inactivity, parent); | |
95 | cc_prio_map = bt_get(inactivity_notification->cc_prio_map); | |
96 | end: | |
97 | return cc_prio_map; | |
98 | } | |
99 | ||
100 | struct bt_ctf_clock_value *bt_notification_inactivity_get_clock_value( | |
101 | struct bt_notification *notification, | |
102 | struct bt_ctf_clock_class *clock_class) | |
103 | { | |
104 | struct bt_ctf_clock_value *clock_value = NULL; | |
105 | struct bt_notification_inactivity *inactivity_notification; | |
106 | ||
107 | if (!notification || !clock_class) { | |
108 | goto end; | |
109 | } | |
110 | ||
111 | if (bt_notification_get_type(notification) != | |
112 | BT_NOTIFICATION_TYPE_INACTIVITY) { | |
113 | goto end; | |
114 | } | |
115 | ||
116 | inactivity_notification = container_of(notification, | |
117 | struct bt_notification_inactivity, parent); | |
118 | clock_value = g_hash_table_lookup(inactivity_notification->clock_values, | |
119 | clock_class); | |
120 | bt_get(clock_value); | |
121 | ||
122 | end: | |
123 | return clock_value; | |
124 | } | |
125 | ||
126 | int bt_notification_inactivity_set_clock_value( | |
127 | struct bt_notification *notification, | |
128 | struct bt_ctf_clock_value *clock_value) | |
129 | { | |
130 | int ret = 0; | |
131 | uint64_t prio; | |
132 | struct bt_ctf_clock_class *clock_class = NULL; | |
133 | struct bt_notification_inactivity *inactivity_notification; | |
134 | ||
135 | if (!notification || !clock_value || notification->frozen) { | |
136 | ret = -1; | |
137 | goto end; | |
138 | } | |
139 | ||
140 | if (bt_notification_get_type(notification) != | |
141 | BT_NOTIFICATION_TYPE_INACTIVITY) { | |
142 | goto end; | |
143 | } | |
144 | ||
145 | inactivity_notification = container_of(notification, | |
146 | struct bt_notification_inactivity, parent); | |
147 | clock_class = bt_ctf_clock_value_get_class(clock_value); | |
148 | ret = bt_clock_class_priority_map_get_clock_class_priority( | |
149 | inactivity_notification->cc_prio_map, clock_class, &prio); | |
150 | if (ret) { | |
151 | /* | |
152 | * Clock value's class is not mapped to a priority | |
153 | * within the scope of this notification. | |
154 | */ | |
155 | goto end; | |
156 | } | |
157 | ||
158 | g_hash_table_insert(inactivity_notification->clock_values, | |
159 | clock_class, bt_get(clock_value)); | |
160 | clock_class = NULL; | |
161 | ||
162 | end: | |
163 | bt_put(clock_class); | |
164 | return ret; | |
165 | } |