lib: rename bt_plugin_create_all_*() -> bt_plugin_find_all_*()
[babeltrace.git] / lib / graph / notification / stream.c
1 /*
2 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
3 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #define BT_LOG_TAG "NOTIF-STREAM"
25 #include <babeltrace/lib-logging-internal.h>
26
27 #include <babeltrace/assert-pre-internal.h>
28 #include <babeltrace/compiler-internal.h>
29 #include <babeltrace/trace-ir/stream-internal.h>
30 #include <babeltrace/trace-ir/stream-class.h>
31 #include <babeltrace/trace-ir/stream-class-internal.h>
32 #include <babeltrace/graph/notification-stream.h>
33 #include <babeltrace/graph/notification-stream-const.h>
34 #include <babeltrace/graph/notification-stream-internal.h>
35 #include <babeltrace/assert-internal.h>
36 #include <inttypes.h>
37
38 static
39 void bt_notification_stream_end_destroy(struct bt_object *obj)
40 {
41 struct bt_notification_stream_end *notification =
42 (struct bt_notification_stream_end *) obj;
43
44 BT_LIB_LOGD("Destroying stream end notification: %!+n",
45 notification);
46 BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
47 BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
48
49 if (notification->default_cv) {
50 bt_clock_value_recycle(notification->default_cv);
51 notification->default_cv = NULL;
52 }
53
54 g_free(notification);
55 }
56
57 struct bt_notification *bt_notification_stream_end_create(
58 struct bt_self_notification_iterator *self_notif_iter,
59 struct bt_stream *stream)
60 {
61 struct bt_notification_stream_end *notification;
62 struct bt_stream_class *stream_class;
63
64 BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
65 BT_ASSERT_PRE_NON_NULL(stream, "Stream");
66 stream_class = bt_stream_borrow_class(stream);
67 BT_ASSERT(stream_class);
68 BT_LIB_LOGD("Creating stream end notification object: "
69 "%![stream-]+s, %![sc-]+S", stream, stream_class);
70 notification = g_new0(struct bt_notification_stream_end, 1);
71 if (!notification) {
72 BT_LOGE_STR("Failed to allocate one stream end notification.");
73 goto error;
74 }
75
76 bt_notification_init(&notification->parent,
77 BT_NOTIFICATION_TYPE_STREAM_END,
78 bt_notification_stream_end_destroy, NULL);
79 notification->stream = stream;
80 bt_object_get_no_null_check(notification->stream);
81 BT_LIB_LOGD("Created stream end notification object: "
82 "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
83 stream, stream_class);
84
85 return (void *) &notification->parent;
86 error:
87 return NULL;
88 }
89
90 struct bt_stream *bt_notification_stream_end_borrow_stream(
91 struct bt_notification *notification)
92 {
93 struct bt_notification_stream_end *stream_end;
94
95 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
96 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
97 BT_NOTIFICATION_TYPE_STREAM_END);
98 stream_end = (void *) notification;
99 return stream_end->stream;
100 }
101
102 const struct bt_stream *bt_notification_stream_end_borrow_stream_const(
103 const struct bt_notification *notification)
104 {
105 return bt_notification_stream_end_borrow_stream(
106 (void *) notification);
107 }
108
109 void bt_notification_stream_end_set_default_clock_value(
110 struct bt_notification *notif, uint64_t value_cycles)
111 {
112 struct bt_notification_stream_end *se_notif = (void *) notif;
113
114 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
115 BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
116 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
117 BT_ASSERT_PRE(se_notif->stream->class->default_clock_class,
118 "Notification's stream class has no default clock class: "
119 "%![notif-]+n, %![sc-]+S", notif, se_notif->stream->class);
120
121 /* TODO: have the object already created */
122 se_notif->default_cv = bt_clock_value_create(
123 se_notif->stream->class->default_clock_class);
124 BT_ASSERT(se_notif->default_cv);
125 bt_clock_value_set_value_inline(se_notif->default_cv, value_cycles);
126 BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
127 "value=%" PRIu64, value_cycles);
128 }
129
130 struct bt_clock_value *bt_notification_stream_end_borrow_default_clock_value(
131 struct bt_notification *notif)
132 {
133 struct bt_notification_stream_end *stream_end = (void *) notif;
134
135 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
136 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
137 return stream_end->default_cv;
138 }
139
140 static
141 void bt_notification_stream_beginning_destroy(struct bt_object *obj)
142 {
143 struct bt_notification_stream_beginning *notification =
144 (struct bt_notification_stream_beginning *) obj;
145
146 BT_LIB_LOGD("Destroying stream beginning notification: %!+n",
147 notification);
148 BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
149 BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
150
151 if (notification->default_cv) {
152 bt_clock_value_recycle(notification->default_cv);
153 notification->default_cv = NULL;
154 }
155
156 g_free(notification);
157 }
158
159 struct bt_notification *bt_notification_stream_beginning_create(
160 struct bt_self_notification_iterator *self_notif_iter,
161 struct bt_stream *stream)
162 {
163 struct bt_notification_stream_beginning *notification;
164 struct bt_stream_class *stream_class;
165
166 BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
167 BT_ASSERT_PRE_NON_NULL(stream, "Stream");
168 stream_class = bt_stream_borrow_class(stream);
169 BT_ASSERT(stream_class);
170 BT_LIB_LOGD("Creating stream beginning notification object: "
171 "%![stream-]+s, %![sc-]+S", stream, stream_class);
172 notification = g_new0(struct bt_notification_stream_beginning, 1);
173 if (!notification) {
174 BT_LOGE_STR("Failed to allocate one stream beginning notification.");
175 goto error;
176 }
177
178 bt_notification_init(&notification->parent,
179 BT_NOTIFICATION_TYPE_STREAM_BEGINNING,
180 bt_notification_stream_beginning_destroy, NULL);
181 notification->stream = stream;
182 bt_object_get_no_null_check(notification->stream);
183 BT_LIB_LOGD("Created stream beginning notification object: "
184 "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
185 stream, stream_class);
186 return (void *) &notification->parent;
187 error:
188 return NULL;
189 }
190
191 struct bt_stream *bt_notification_stream_beginning_borrow_stream(
192 struct bt_notification *notification)
193 {
194 struct bt_notification_stream_beginning *stream_begin;
195
196 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
197 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
198 BT_NOTIFICATION_TYPE_STREAM_BEGINNING);
199 stream_begin = (void *) notification;
200 return stream_begin->stream;
201 }
202
203 const struct bt_stream *bt_notification_stream_beginning_borrow_stream_const(
204 const struct bt_notification *notification)
205 {
206 return bt_notification_stream_beginning_borrow_stream(
207 (void *) notification);
208 }
209
210 void bt_notification_stream_beginning_set_default_clock_value(
211 struct bt_notification *notif,
212 uint64_t value_cycles)
213 {
214 struct bt_notification_stream_beginning *sb_notif = (void *) notif;
215
216 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
217 BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
218 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGINNING);
219 BT_ASSERT_PRE(sb_notif->stream->class->default_clock_class,
220 "Notification's stream class has no default clock class: "
221 "%![notif-]+n, %![sc-]+S", notif, sb_notif->stream->class);
222
223 /* TODO: have the object already created */
224 sb_notif->default_cv = bt_clock_value_create(
225 sb_notif->stream->class->default_clock_class);
226 BT_ASSERT(sb_notif->default_cv);
227 bt_clock_value_set_value_inline(sb_notif->default_cv, value_cycles);
228 BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
229 "value=%" PRIu64, value_cycles);
230 }
231
232 struct bt_clock_value *bt_notification_stream_beginning_borrow_default_clock_value(
233 struct bt_notification *notif)
234 {
235 struct bt_notification_stream_beginning *stream_begin = (void *) notif;
236
237 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
238 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGINNING);
239 return stream_begin->default_cv;
240 }
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