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043e2020 JG |
1 | /* |
2 | * Babeltrace Plug-in Stream-related Notifications | |
3 | * | |
4 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
5 | * | |
6 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
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: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
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 | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
90bd5941 PP |
27 | #define BT_LOG_TAG "NOTIF-STREAM" |
28 | #include <babeltrace/lib-logging-internal.h> | |
29 | ||
3d9990ac | 30 | #include <babeltrace/compiler-internal.h> |
3230ee6b | 31 | #include <babeltrace/ctf-ir/stream-internal.h> |
b2e0c907 | 32 | #include <babeltrace/graph/notification-stream-internal.h> |
90bd5941 | 33 | #include <inttypes.h> |
043e2020 JG |
34 | |
35 | static | |
36 | void bt_notification_stream_end_destroy(struct bt_object *obj) | |
37 | { | |
38 | struct bt_notification_stream_end *notification = | |
39 | (struct bt_notification_stream_end *) obj; | |
40 | ||
90bd5941 PP |
41 | BT_LOGD("Destroying stream end notification: addr=%p", |
42 | notification); | |
43 | BT_LOGD_STR("Putting stream."); | |
043e2020 JG |
44 | BT_PUT(notification->stream); |
45 | g_free(notification); | |
46 | } | |
47 | ||
48 | struct bt_notification *bt_notification_stream_end_create( | |
49 | struct bt_ctf_stream *stream) | |
50 | { | |
51 | struct bt_notification_stream_end *notification; | |
90bd5941 | 52 | struct bt_ctf_stream_class *stream_class; |
043e2020 | 53 | |
90bd5941 PP |
54 | if (!stream) { |
55 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
043e2020 JG |
56 | goto error; |
57 | } | |
58 | ||
90bd5941 PP |
59 | stream_class = bt_ctf_stream_borrow_stream_class(stream); |
60 | assert(stream_class); | |
61 | ||
62 | if (stream->pos.fd >= 0) { | |
63 | BT_LOGW("Invalid parameter: stream is a CTF writer stream: " | |
64 | "stream-addr=%p, stream-name=\"%s\", " | |
65 | "stream-class-addr=%p, stream-class-name\"%s\", " | |
66 | "stream-class-id=%" PRId64, | |
67 | stream, bt_ctf_stream_get_name(stream), stream_class, | |
68 | bt_ctf_stream_class_get_name(stream_class), | |
69 | bt_ctf_stream_class_get_id(stream_class)); | |
70 | goto error; | |
71 | } | |
72 | ||
73 | BT_LOGD("Creating stream end notification object: " | |
74 | "stream-addr=%p, stream-name=\"%s\", " | |
75 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
76 | "stream-class-id=%" PRId64, | |
77 | stream, bt_ctf_stream_get_name(stream), | |
78 | stream_class, | |
79 | bt_ctf_stream_class_get_name(stream_class), | |
80 | bt_ctf_stream_class_get_id(stream_class)); | |
043e2020 | 81 | notification = g_new0(struct bt_notification_stream_end, 1); |
90bd5941 PP |
82 | if (!notification) { |
83 | BT_LOGE_STR("Failed to allocate one stream end notification."); | |
84 | goto error; | |
85 | } | |
86 | ||
043e2020 JG |
87 | bt_notification_init(¬ification->parent, |
88 | BT_NOTIFICATION_TYPE_STREAM_END, | |
89 | bt_notification_stream_end_destroy); | |
90 | notification->stream = bt_get(stream); | |
90bd5941 PP |
91 | BT_LOGD("Created stream end notification object: " |
92 | "stream-addr=%p, stream-name=\"%s\", " | |
93 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
94 | "stream-class-id=%" PRId64 ", addr=%p", | |
95 | stream, bt_ctf_stream_get_name(stream), | |
96 | stream_class, | |
97 | bt_ctf_stream_class_get_name(stream_class), | |
98 | bt_ctf_stream_class_get_id(stream_class), notification); | |
043e2020 JG |
99 | return ¬ification->parent; |
100 | error: | |
101 | return NULL; | |
102 | } | |
103 | ||
90bd5941 | 104 | struct bt_ctf_stream *bt_notification_stream_end_get_stream( |
043e2020 JG |
105 | struct bt_notification *notification) |
106 | { | |
107 | struct bt_notification_stream_end *stream_end; | |
90bd5941 PP |
108 | struct bt_ctf_stream *stream = NULL; |
109 | ||
110 | if (!notification) { | |
111 | BT_LOGW_STR("Invalid parameter: notification is NULL."); | |
112 | goto end; | |
113 | } | |
114 | ||
115 | if (notification->type != BT_NOTIFICATION_TYPE_STREAM_END) { | |
116 | BT_LOGW("Invalid parameter: notification is not a stream end notification: " | |
117 | "addr%p, notif-type=%s", | |
118 | notification, bt_notification_type_string( | |
119 | bt_notification_get_type(notification))); | |
120 | goto end; | |
121 | } | |
043e2020 JG |
122 | |
123 | stream_end = container_of(notification, | |
124 | struct bt_notification_stream_end, parent); | |
90bd5941 PP |
125 | stream = bt_get(stream_end->stream); |
126 | ||
127 | end: | |
128 | return stream; | |
043e2020 | 129 | } |
3230ee6b PP |
130 | |
131 | static | |
132 | void bt_notification_stream_begin_destroy(struct bt_object *obj) | |
133 | { | |
134 | struct bt_notification_stream_begin *notification = | |
135 | (struct bt_notification_stream_begin *) obj; | |
136 | ||
90bd5941 PP |
137 | BT_LOGD("Destroying stream beginning notification: addr=%p", |
138 | notification); | |
139 | BT_LOGD_STR("Putting stream."); | |
3230ee6b PP |
140 | BT_PUT(notification->stream); |
141 | g_free(notification); | |
142 | } | |
143 | ||
144 | struct bt_notification *bt_notification_stream_begin_create( | |
145 | struct bt_ctf_stream *stream) | |
146 | { | |
147 | struct bt_notification_stream_begin *notification; | |
90bd5941 | 148 | struct bt_ctf_stream_class *stream_class; |
3230ee6b | 149 | |
90bd5941 PP |
150 | if (!stream) { |
151 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
3230ee6b PP |
152 | goto error; |
153 | } | |
154 | ||
90bd5941 PP |
155 | stream_class = bt_ctf_stream_borrow_stream_class(stream); |
156 | assert(stream_class); | |
157 | ||
158 | if (stream->pos.fd >= 0) { | |
159 | BT_LOGW("Invalid parameter: stream is a CTF writer stream: " | |
160 | "stream-addr=%p, stream-name=\"%s\", " | |
161 | "stream-class-addr=%p, stream-class-name\"%s\", " | |
162 | "stream-class-id=%" PRId64, | |
163 | stream, bt_ctf_stream_get_name(stream), stream_class, | |
164 | bt_ctf_stream_class_get_name(stream_class), | |
165 | bt_ctf_stream_class_get_id(stream_class)); | |
166 | goto error; | |
167 | } | |
168 | ||
169 | BT_LOGD("Creating stream beginning notification object: " | |
170 | "stream-addr=%p, stream-name=\"%s\", " | |
171 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
172 | "stream-class-id=%" PRId64, | |
173 | stream, bt_ctf_stream_get_name(stream), | |
174 | stream_class, | |
175 | bt_ctf_stream_class_get_name(stream_class), | |
176 | bt_ctf_stream_class_get_id(stream_class)); | |
3230ee6b | 177 | notification = g_new0(struct bt_notification_stream_begin, 1); |
90bd5941 PP |
178 | if (!notification) { |
179 | BT_LOGE_STR("Failed to allocate one stream beginning notification."); | |
180 | goto error; | |
181 | } | |
182 | ||
3230ee6b PP |
183 | bt_notification_init(¬ification->parent, |
184 | BT_NOTIFICATION_TYPE_STREAM_BEGIN, | |
185 | bt_notification_stream_begin_destroy); | |
186 | notification->stream = bt_get(stream); | |
90bd5941 PP |
187 | BT_LOGD("Created stream beginning notification object: " |
188 | "stream-addr=%p, stream-name=\"%s\", " | |
189 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
190 | "stream-class-id=%" PRId64 ", addr=%p", | |
191 | stream, bt_ctf_stream_get_name(stream), | |
192 | stream_class, | |
193 | bt_ctf_stream_class_get_name(stream_class), | |
194 | bt_ctf_stream_class_get_id(stream_class), notification); | |
3230ee6b PP |
195 | return ¬ification->parent; |
196 | error: | |
197 | return NULL; | |
198 | } | |
199 | ||
90bd5941 | 200 | struct bt_ctf_stream *bt_notification_stream_begin_get_stream( |
3230ee6b PP |
201 | struct bt_notification *notification) |
202 | { | |
203 | struct bt_notification_stream_begin *stream_begin; | |
90bd5941 PP |
204 | struct bt_ctf_stream *stream = NULL; |
205 | ||
206 | if (!notification) { | |
207 | BT_LOGW_STR("Invalid parameter: notification is NULL."); | |
208 | goto end; | |
209 | } | |
210 | ||
211 | if (notification->type != BT_NOTIFICATION_TYPE_STREAM_BEGIN) { | |
212 | BT_LOGW("Invalid parameter: notification is not a stream beginning notification: " | |
213 | "addr%p, notif-type=%s", | |
214 | notification, bt_notification_type_string( | |
215 | bt_notification_get_type(notification))); | |
216 | goto end; | |
217 | } | |
3230ee6b PP |
218 | |
219 | stream_begin = container_of(notification, | |
220 | struct bt_notification_stream_begin, parent); | |
90bd5941 PP |
221 | stream = bt_get(stream_begin->stream); |
222 | ||
223 | end: | |
224 | return stream; | |
3230ee6b | 225 | } |