lib: make graph API const-correct
[babeltrace.git] / lib / graph / notification / stream.c
CommitLineData
043e2020 1/*
043e2020
JG
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
90bd5941
PP
25#define BT_LOG_TAG "NOTIF-STREAM"
26#include <babeltrace/lib-logging-internal.h>
27
e22b45d0 28#include <babeltrace/assert-pre-internal.h>
3d9990ac 29#include <babeltrace/compiler-internal.h>
56e18c4c
PP
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>
0d72b8c3
PP
33#include <babeltrace/graph/notification-stream.h>
34#include <babeltrace/graph/notification-stream-const.h>
b2e0c907 35#include <babeltrace/graph/notification-stream-internal.h>
f6ccaed9 36#include <babeltrace/assert-internal.h>
e5be10ef 37#include <babeltrace/object.h>
90bd5941 38#include <inttypes.h>
043e2020
JG
39
40static
41void bt_notification_stream_end_destroy(struct bt_object *obj)
42{
43 struct bt_notification_stream_end *notification =
44 (struct bt_notification_stream_end *) obj;
45
d94d92ac 46 BT_LIB_LOGD("Destroying stream end notification: %!+n",
90bd5941 47 notification);
d94d92ac 48 BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
65300d60 49 BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
44c440bc
PP
50
51 if (notification->default_cv) {
52 bt_clock_value_recycle(notification->default_cv);
d94d92ac 53 notification->default_cv = NULL;
44c440bc
PP
54 }
55
043e2020
JG
56 g_free(notification);
57}
58
0d72b8c3 59struct bt_notification *bt_notification_stream_end_create(
d94d92ac 60 struct bt_self_notification_iterator *self_notif_iter,
40f4ba76 61 struct bt_stream *stream)
043e2020
JG
62{
63 struct bt_notification_stream_end *notification;
50842bdc 64 struct bt_stream_class *stream_class;
043e2020 65
d94d92ac 66 BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
f6ccaed9 67 BT_ASSERT_PRE_NON_NULL(stream, "Stream");
3dca2276 68 stream_class = bt_stream_borrow_class(stream);
f6ccaed9 69 BT_ASSERT(stream_class);
d94d92ac
PP
70 BT_LIB_LOGD("Creating stream end notification object: "
71 "%![stream-]+s, %![sc-]+S", stream, stream_class);
043e2020 72 notification = g_new0(struct bt_notification_stream_end, 1);
90bd5941
PP
73 if (!notification) {
74 BT_LOGE_STR("Failed to allocate one stream end notification.");
75 goto error;
76 }
77
043e2020
JG
78 bt_notification_init(&notification->parent,
79 BT_NOTIFICATION_TYPE_STREAM_END,
5c563278 80 bt_notification_stream_end_destroy, NULL);
398454ed
PP
81 notification->stream = stream;
82 bt_object_get_no_null_check(notification->stream);
d94d92ac
PP
83 BT_LIB_LOGD("Created stream end notification object: "
84 "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
85 stream, stream_class);
e5be10ef
PP
86
87 return (void *) &notification->parent;
043e2020
JG
88error:
89 return NULL;
90}
91
0d72b8c3
PP
92struct bt_stream *bt_notification_stream_end_borrow_stream(
93 struct bt_notification *notification)
043e2020
JG
94{
95 struct bt_notification_stream_end *stream_end;
96
f6ccaed9
PP
97 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
98 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
99 BT_NOTIFICATION_TYPE_STREAM_END);
40f4ba76 100 stream_end = (void *) notification;
094ff7c0 101 return stream_end->stream;
043e2020 102}
3230ee6b 103
0d72b8c3
PP
104const struct bt_stream *bt_notification_stream_end_borrow_stream_const(
105 const struct bt_notification *notification)
e5be10ef 106{
0d72b8c3 107 return bt_notification_stream_end_borrow_stream(
e5be10ef
PP
108 (void *) notification);
109}
110
0d72b8c3
PP
111void bt_notification_stream_end_set_default_clock_value(
112 struct bt_notification *notif, uint64_t value_cycles)
e22b45d0 113{
44c440bc 114 struct bt_notification_stream_end *se_notif = (void *) notif;
e22b45d0
PP
115
116 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
e22b45d0
PP
117 BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
118 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
44c440bc
PP
119 BT_ASSERT_PRE(se_notif->stream->class->default_clock_class,
120 "Notification's stream class has no default clock class: "
121 "%![notif-]+n, %![sc-]+S", notif, se_notif->stream->class);
122
140e6d94
PP
123 /* TODO: have the object already created */
124 se_notif->default_cv = bt_clock_value_create(
125 se_notif->stream->class->default_clock_class);
126 BT_ASSERT(se_notif->default_cv);
44c440bc
PP
127 bt_clock_value_set_value_inline(se_notif->default_cv, value_cycles);
128 BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
129 "value=%" PRIu64, value_cycles);
e22b45d0
PP
130}
131
132struct bt_clock_value *bt_notification_stream_end_borrow_default_clock_value(
133 struct bt_notification *notif)
134{
135 struct bt_notification_stream_end *stream_end = (void *) notif;
e22b45d0
PP
136
137 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
138 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END);
44c440bc 139 return stream_end->default_cv;
e22b45d0
PP
140}
141
3230ee6b
PP
142static
143void bt_notification_stream_begin_destroy(struct bt_object *obj)
144{
145 struct bt_notification_stream_begin *notification =
146 (struct bt_notification_stream_begin *) obj;
147
d94d92ac 148 BT_LIB_LOGD("Destroying stream beginning notification: %!+n",
90bd5941 149 notification);
d94d92ac 150 BT_LIB_LOGD("Putting stream: %!+s", notification->stream);
65300d60 151 BT_OBJECT_PUT_REF_AND_RESET(notification->stream);
44c440bc
PP
152
153 if (notification->default_cv) {
154 bt_clock_value_recycle(notification->default_cv);
d94d92ac 155 notification->default_cv = NULL;
44c440bc
PP
156 }
157
3230ee6b
PP
158 g_free(notification);
159}
160
0d72b8c3 161struct bt_notification *bt_notification_stream_begin_create(
d94d92ac 162 struct bt_self_notification_iterator *self_notif_iter,
40f4ba76 163 struct bt_stream *stream)
3230ee6b
PP
164{
165 struct bt_notification_stream_begin *notification;
50842bdc 166 struct bt_stream_class *stream_class;
3230ee6b 167
d94d92ac 168 BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator");
f6ccaed9 169 BT_ASSERT_PRE_NON_NULL(stream, "Stream");
3dca2276 170 stream_class = bt_stream_borrow_class(stream);
f6ccaed9 171 BT_ASSERT(stream_class);
d94d92ac
PP
172 BT_LIB_LOGD("Creating stream beginning notification object: "
173 "%![stream-]+s, %![sc-]+S", stream, stream_class);
3230ee6b 174 notification = g_new0(struct bt_notification_stream_begin, 1);
90bd5941
PP
175 if (!notification) {
176 BT_LOGE_STR("Failed to allocate one stream beginning notification.");
177 goto error;
178 }
179
3230ee6b
PP
180 bt_notification_init(&notification->parent,
181 BT_NOTIFICATION_TYPE_STREAM_BEGIN,
5c563278 182 bt_notification_stream_begin_destroy, NULL);
398454ed
PP
183 notification->stream = stream;
184 bt_object_get_no_null_check(notification->stream);
d94d92ac
PP
185 BT_LIB_LOGD("Created stream beginning notification object: "
186 "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification,
187 stream, stream_class);
e5be10ef 188 return (void *) &notification->parent;
3230ee6b
PP
189error:
190 return NULL;
191}
192
0d72b8c3
PP
193struct bt_stream *bt_notification_stream_begin_borrow_stream(
194 struct bt_notification *notification)
3230ee6b
PP
195{
196 struct bt_notification_stream_begin *stream_begin;
197
f6ccaed9
PP
198 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
199 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
200 BT_NOTIFICATION_TYPE_STREAM_BEGIN);
40f4ba76 201 stream_begin = (void *) notification;
094ff7c0 202 return stream_begin->stream;
3230ee6b 203}
e22b45d0 204
0d72b8c3
PP
205const struct bt_stream *bt_notification_stream_begin_borrow_stream_const(
206 const struct bt_notification *notification)
e5be10ef 207{
0d72b8c3 208 return bt_notification_stream_begin_borrow_stream(
e5be10ef
PP
209 (void *) notification);
210}
211
0d72b8c3
PP
212void bt_notification_stream_begin_set_default_clock_value(
213 struct bt_notification *notif,
e5be10ef 214 uint64_t value_cycles)
e22b45d0 215{
44c440bc 216 struct bt_notification_stream_begin *sb_notif = (void *) notif;
e22b45d0
PP
217
218 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
e22b45d0
PP
219 BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif);
220 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
44c440bc
PP
221 BT_ASSERT_PRE(sb_notif->stream->class->default_clock_class,
222 "Notification's stream class has no default clock class: "
223 "%![notif-]+n, %![sc-]+S", notif, sb_notif->stream->class);
224
140e6d94
PP
225 /* TODO: have the object already created */
226 sb_notif->default_cv = bt_clock_value_create(
227 sb_notif->stream->class->default_clock_class);
228 BT_ASSERT(sb_notif->default_cv);
44c440bc
PP
229 bt_clock_value_set_value_inline(sb_notif->default_cv, value_cycles);
230 BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, "
231 "value=%" PRIu64, value_cycles);
e22b45d0
PP
232}
233
234struct bt_clock_value *bt_notification_stream_begin_borrow_default_clock_value(
235 struct bt_notification *notif)
236{
237 struct bt_notification_stream_begin *stream_begin = (void *) notif;
e22b45d0
PP
238
239 BT_ASSERT_PRE_NON_NULL(notif, "Notification");
240 BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN);
44c440bc 241 return stream_begin->default_cv;
e22b45d0 242}
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