2 * Babeltrace Plug-in Stream-related Notifications
4 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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
27 #define BT_LOG_TAG "NOTIF-STREAM"
28 #include <babeltrace/lib-logging-internal.h>
30 #include <babeltrace/compiler-internal.h>
31 #include <babeltrace/ctf-ir/stream-internal.h>
32 #include <babeltrace/ctf-ir/stream-class.h>
33 #include <babeltrace/graph/notification-stream-internal.h>
34 #include <babeltrace/assert-internal.h>
35 #include <babeltrace/assert-pre-internal.h>
39 void bt_notification_stream_end_destroy(struct bt_object
*obj
)
41 struct bt_notification_stream_end
*notification
=
42 (struct bt_notification_stream_end
*) obj
;
44 BT_LOGD("Destroying stream end notification: addr=%p",
46 BT_LOGD_STR("Putting stream.");
47 BT_PUT(notification
->stream
);
51 struct bt_notification
*bt_notification_stream_end_create(
52 struct bt_stream
*stream
)
54 struct bt_notification_stream_end
*notification
;
55 struct bt_stream_class
*stream_class
;
57 BT_ASSERT_PRE_NON_NULL(stream
, "Stream");
58 BT_ASSERT_PRE(stream
->pos
.fd
< 0,
59 "Stream is a CTF writer stream: %!+s", stream
);
60 stream_class
= bt_stream_borrow_stream_class(stream
);
61 BT_ASSERT(stream_class
);
62 BT_LOGD("Creating stream end notification object: "
63 "stream-addr=%p, stream-name=\"%s\", "
64 "stream-class-addr=%p, stream-class-name=\"%s\", "
65 "stream-class-id=%" PRId64
,
66 stream
, bt_stream_get_name(stream
),
68 bt_stream_class_get_name(stream_class
),
69 bt_stream_class_get_id(stream_class
));
70 notification
= g_new0(struct bt_notification_stream_end
, 1);
72 BT_LOGE_STR("Failed to allocate one stream end notification.");
76 bt_notification_init(¬ification
->parent
,
77 BT_NOTIFICATION_TYPE_STREAM_END
,
78 bt_notification_stream_end_destroy
);
79 notification
->stream
= bt_get(stream
);
80 BT_LOGD("Created stream end notification object: "
81 "stream-addr=%p, stream-name=\"%s\", "
82 "stream-class-addr=%p, stream-class-name=\"%s\", "
83 "stream-class-id=%" PRId64
", addr=%p",
84 stream
, bt_stream_get_name(stream
),
86 bt_stream_class_get_name(stream_class
),
87 bt_stream_class_get_id(stream_class
), notification
);
88 return ¬ification
->parent
;
93 struct bt_stream
*bt_notification_stream_end_get_stream(
94 struct bt_notification
*notification
)
96 struct bt_notification_stream_end
*stream_end
;
98 BT_ASSERT_PRE_NON_NULL(notification
, "Notification");
99 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification
,
100 BT_NOTIFICATION_TYPE_STREAM_END
);
101 stream_end
= container_of(notification
,
102 struct bt_notification_stream_end
, parent
);
103 return bt_get(stream_end
->stream
);
107 void bt_notification_stream_begin_destroy(struct bt_object
*obj
)
109 struct bt_notification_stream_begin
*notification
=
110 (struct bt_notification_stream_begin
*) obj
;
112 BT_LOGD("Destroying stream beginning notification: addr=%p",
114 BT_LOGD_STR("Putting stream.");
115 BT_PUT(notification
->stream
);
116 g_free(notification
);
119 struct bt_notification
*bt_notification_stream_begin_create(
120 struct bt_stream
*stream
)
122 struct bt_notification_stream_begin
*notification
;
123 struct bt_stream_class
*stream_class
;
125 BT_ASSERT_PRE_NON_NULL(stream
, "Stream");
126 BT_ASSERT_PRE(stream
->pos
.fd
< 0,
127 "Stream is a CTF writer stream: %!+s", stream
);
128 stream_class
= bt_stream_borrow_stream_class(stream
);
129 BT_ASSERT(stream_class
);
130 BT_LOGD("Creating stream beginning notification object: "
131 "stream-addr=%p, stream-name=\"%s\", "
132 "stream-class-addr=%p, stream-class-name=\"%s\", "
133 "stream-class-id=%" PRId64
,
134 stream
, bt_stream_get_name(stream
),
136 bt_stream_class_get_name(stream_class
),
137 bt_stream_class_get_id(stream_class
));
138 notification
= g_new0(struct bt_notification_stream_begin
, 1);
140 BT_LOGE_STR("Failed to allocate one stream beginning notification.");
144 bt_notification_init(¬ification
->parent
,
145 BT_NOTIFICATION_TYPE_STREAM_BEGIN
,
146 bt_notification_stream_begin_destroy
);
147 notification
->stream
= bt_get(stream
);
148 BT_LOGD("Created stream beginning notification object: "
149 "stream-addr=%p, stream-name=\"%s\", "
150 "stream-class-addr=%p, stream-class-name=\"%s\", "
151 "stream-class-id=%" PRId64
", addr=%p",
152 stream
, bt_stream_get_name(stream
),
154 bt_stream_class_get_name(stream_class
),
155 bt_stream_class_get_id(stream_class
), notification
);
156 return ¬ification
->parent
;
161 struct bt_stream
*bt_notification_stream_begin_get_stream(
162 struct bt_notification
*notification
)
164 struct bt_notification_stream_begin
*stream_begin
;
166 BT_ASSERT_PRE_NON_NULL(notification
, "Notification");
167 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification
,
168 BT_NOTIFICATION_TYPE_STREAM_BEGIN
);
169 stream_begin
= container_of(notification
,
170 struct bt_notification_stream_begin
, parent
);
171 return bt_get(stream_begin
->stream
);