lib: make trace IR API const-correct
[babeltrace.git] / lib / graph / notification / stream.c
... / ...
CommitLineData
1/*
2 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25#define BT_LOG_TAG "NOTIF-STREAM"
26#include <babeltrace/lib-logging-internal.h>
27
28#include <babeltrace/assert-pre-internal.h>
29#include <babeltrace/compiler-internal.h>
30#include <babeltrace/trace-ir/stream-internal.h>
31#include <babeltrace/trace-ir/stream-class.h>
32#include <babeltrace/trace-ir/stream-class-internal.h>
33#include <babeltrace/graph/private-notification-stream.h>
34#include <babeltrace/graph/notification-stream-internal.h>
35#include <babeltrace/assert-internal.h>
36#include <babeltrace/object.h>
37#include <inttypes.h>
38
39static
40void bt_notification_stream_end_destroy(struct bt_object *obj)
41{
42 struct bt_notification_stream_end *notification =
43 (struct bt_notification_stream_end *) obj;
44
45 BT_LIB_LOGD("Destroying stream end notification: %!+n",
46 notification);
47 BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
48 BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
49
50 if (notification->default_cv) {
51 bt_clock_value_recycle(notification->default_cv);
52 notification->default_cv = NULL;
53 }
54
55 g_free(notification);
56}
57
58struct bt_private_notification *bt_private_notification_stream_end_create(
59 struct bt_self_notification_iterator *self_notif_iter,
60 struct bt_stream *stream)
61{
62 struct bt_notification_stream_end *notification;
63 struct bt_stream_class *stream_class;
64
65 BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
66 BT_ASSERT_PRE_NON_NULL(stream, "Stream");
67 stream_class = bt_stream_borrow_class(stream);
68 BT_ASSERT(stream_class);
69 BT_LIB_LOGD("Creating stream end notification object: "
70 "%![stream-]+s, %![sc-]+S", stream, stream_class);
71 notification = g_new0(struct bt_notification_stream_end, 1);
72 if (!notification) {
73 BT_LOGE_STR("Failed to allocate one stream end notification.");
74 goto error;
75 }
76
77 bt_notification_init(&notification->parent,
78 BT_NOTIFICATION_TYPE_STREAM_END,
79 bt_notification_stream_end_destroy, NULL);
80 notification->stream = stream;
81 bt_object_get_no_null_check(notification->stream);
82 BT_LIB_LOGD("Created stream end notification object: "
83 "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
84 stream, stream_class);
85
86 return (void *) &notification->parent;
87error:
88 return NULL;
89}
90
91struct bt_stream *bt_private_notification_stream_end_borrow_stream(
92 struct bt_private_notification *notification)
93{
94 struct bt_notification_stream_end *stream_end;
95
96 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
97 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
98 BT_NOTIFICATION_TYPE_STREAM_END);
99 stream_end = (void *) notification;
100 return stream_end->stream;
101}
102
103const struct bt_stream *bt_notification_stream_end_borrow_stream(
104 struct bt_notification *notification)
105{
106 return bt_private_notification_stream_end_borrow_stream(
107 (void *) notification);
108}
109
110void bt_private_notification_stream_end_set_default_clock_value(
111 struct bt_private_notification *priv_notif,
112 uint64_t value_cycles)
113{
114 struct bt_notification *notif = (void *) priv_notif;
115 struct bt_notification_stream_end *se_notif = (void *) notif;
116
117 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
118 BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
119 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
120 BT_ASSERT_PRE(se_notif->stream->class->default_clock_class,
121 "Notification's stream class has no default clock class: "
122 "%![notif-]+n, %![sc-]+S", notif, se_notif->stream->class);
123
124 /* TODO: have the object already created */
125 se_notif->default_cv = bt_clock_value_create(
126 se_notif->stream->class->default_clock_class);
127 BT_ASSERT(se_notif->default_cv);
128 bt_clock_value_set_value_inline(se_notif->default_cv, value_cycles);
129 BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
130 "value=%" PRIu64, value_cycles);
131}
132
133struct bt_clock_value *bt_notification_stream_end_borrow_default_clock_value(
134 struct bt_notification *notif)
135{
136 struct bt_notification_stream_end *stream_end = (void *) notif;
137
138 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
139 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
140 return stream_end->default_cv;
141}
142
143static
144void bt_notification_stream_begin_destroy(struct bt_object *obj)
145{
146 struct bt_notification_stream_begin *notification =
147 (struct bt_notification_stream_begin *) obj;
148
149 BT_LIB_LOGD("Destroying stream beginning notification: %!+n",
150 notification);
151 BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
152 BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
153
154 if (notification->default_cv) {
155 bt_clock_value_recycle(notification->default_cv);
156 notification->default_cv = NULL;
157 }
158
159 g_free(notification);
160}
161
162struct bt_private_notification *bt_private_notification_stream_begin_create(
163 struct bt_self_notification_iterator *self_notif_iter,
164 struct bt_stream *stream)
165{
166 struct bt_notification_stream_begin *notification;
167 struct bt_stream_class *stream_class;
168
169 BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
170 BT_ASSERT_PRE_NON_NULL(stream, "Stream");
171 stream_class = bt_stream_borrow_class(stream);
172 BT_ASSERT(stream_class);
173 BT_LIB_LOGD("Creating stream beginning notification object: "
174 "%![stream-]+s, %![sc-]+S", stream, stream_class);
175 notification = g_new0(struct bt_notification_stream_begin, 1);
176 if (!notification) {
177 BT_LOGE_STR("Failed to allocate one stream beginning notification.");
178 goto error;
179 }
180
181 bt_notification_init(&notification->parent,
182 BT_NOTIFICATION_TYPE_STREAM_BEGIN,
183 bt_notification_stream_begin_destroy, NULL);
184 notification->stream = stream;
185 bt_object_get_no_null_check(notification->stream);
186 BT_LIB_LOGD("Created stream beginning notification object: "
187 "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
188 stream, stream_class);
189 return (void *) &notification->parent;
190error:
191 return NULL;
192}
193
194struct bt_stream *bt_private_notification_stream_begin_borrow_stream(
195 struct bt_private_notification *notification)
196{
197 struct bt_notification_stream_begin *stream_begin;
198
199 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
200 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
201 BT_NOTIFICATION_TYPE_STREAM_BEGIN);
202 stream_begin = (void *) notification;
203 return stream_begin->stream;
204}
205
206const struct bt_stream *bt_notification_stream_begin_borrow_stream(
207 struct bt_notification *notification)
208{
209 return bt_private_notification_stream_begin_borrow_stream(
210 (void *) notification);
211}
212
213void bt_private_notification_stream_begin_set_default_clock_value(
214 struct bt_private_notification *priv_notif,
215 uint64_t value_cycles)
216{
217 struct bt_notification *notif = (void *) priv_notif;
218 struct bt_notification_stream_begin *sb_notif = (void *) notif;
219
220 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
221 BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
222 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
223 BT_ASSERT_PRE(sb_notif->stream->class->default_clock_class,
224 "Notification's stream class has no default clock class: "
225 "%![notif-]+n, %![sc-]+S", notif, sb_notif->stream->class);
226
227 /* TODO: have the object already created */
228 sb_notif->default_cv = bt_clock_value_create(
229 sb_notif->stream->class->default_clock_class);
230 BT_ASSERT(sb_notif->default_cv);
231 bt_clock_value_set_value_inline(sb_notif->default_cv, value_cycles);
232 BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
233 "value=%" PRIu64, value_cycles);
234}
235
236struct bt_clock_value *bt_notification_stream_begin_borrow_default_clock_value(
237 struct bt_notification *notif)
238{
239 struct bt_notification_stream_begin *stream_begin = (void *) notif;
240
241 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
242 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
243 return stream_begin->default_cv;
244}
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