Replace assert() -> BT_ASSERT() and some preconditions with BT_ASSERT_PRE()
[babeltrace.git] / lib / graph / notification / packet.c
1 /*
2 * Babeltrace Plug-in Packet-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
27 #define BT_LOG_TAG "NOTIF-PACKET"
28 #include <babeltrace/lib-logging-internal.h>
29
30 #include <babeltrace/compiler-internal.h>
31 #include <babeltrace/ctf-ir/packet.h>
32 #include <babeltrace/ctf-ir/packet-internal.h>
33 #include <babeltrace/ctf-ir/stream-class.h>
34 #include <babeltrace/ctf-ir/stream.h>
35 #include <babeltrace/ctf-ir/stream-internal.h>
36 #include <babeltrace/graph/notification-packet-internal.h>
37 #include <babeltrace/assert-internal.h>
38 #include <babeltrace/assert-pre-internal.h>
39 #include <inttypes.h>
40
41 static
42 void bt_notification_packet_begin_destroy(struct bt_object *obj)
43 {
44 struct bt_notification_packet_begin *notification =
45 (struct bt_notification_packet_begin *) obj;
46
47 BT_LOGD("Destroying packet beginning notification: addr=%p",
48 notification);
49 BT_LOGD_STR("Putting packet.");
50 BT_PUT(notification->packet);
51 g_free(notification);
52 }
53
54 static
55 void bt_notification_packet_end_destroy(struct bt_object *obj)
56 {
57 struct bt_notification_packet_end *notification =
58 (struct bt_notification_packet_end *) obj;
59
60 BT_LOGD("Destroying packet end notification: addr=%p",
61 notification);
62 BT_LOGD_STR("Putting packet.");
63 BT_PUT(notification->packet);
64 g_free(notification);
65 }
66
67 struct bt_notification *bt_notification_packet_begin_create(
68 struct bt_packet *packet)
69 {
70 struct bt_notification_packet_begin *notification;
71 struct bt_stream *stream;
72 struct bt_stream_class *stream_class;
73
74 BT_ASSERT_PRE_NON_NULL(packet, "Packet");
75 stream = bt_packet_borrow_stream(packet);
76 BT_ASSERT(stream);
77 stream_class = bt_stream_borrow_stream_class(stream);
78 BT_ASSERT(stream_class);
79 BT_LOGD("Creating packet beginning notification object: "
80 "packet-addr=%p, stream-addr=%p, stream-name=\"%s\", "
81 "stream-class-addr=%p, stream-class-name=\"%s\", "
82 "stream-class-id=%" PRId64,
83 packet, stream, bt_stream_get_name(stream),
84 stream_class,
85 bt_stream_class_get_name(stream_class),
86 bt_stream_class_get_id(stream_class));
87 notification = g_new0(struct bt_notification_packet_begin, 1);
88 if (!notification) {
89 BT_LOGE_STR("Failed to allocate one packet beginning notification.");
90 goto error;
91 }
92
93 bt_notification_init(&notification->parent,
94 BT_NOTIFICATION_TYPE_PACKET_BEGIN,
95 bt_notification_packet_begin_destroy);
96 notification->packet = bt_get(packet);
97 BT_LOGD("Created packet beginning notification object: "
98 "packet-addr=%p, stream-addr=%p, stream-name=\"%s\", "
99 "stream-class-addr=%p, stream-class-name=\"%s\", "
100 "stream-class-id=%" PRId64 ", addr=%p",
101 packet, stream, bt_stream_get_name(stream),
102 stream_class,
103 bt_stream_class_get_name(stream_class),
104 bt_stream_class_get_id(stream_class), notification);
105 return &notification->parent;
106 error:
107 return NULL;
108 }
109
110 struct bt_packet *bt_notification_packet_begin_get_packet(
111 struct bt_notification *notification)
112 {
113 struct bt_notification_packet_begin *packet_begin;
114
115 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
116 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
117 BT_NOTIFICATION_TYPE_PACKET_BEGIN);
118 packet_begin = container_of(notification,
119 struct bt_notification_packet_begin, parent);
120 return bt_get(packet_begin->packet);
121 }
122
123 struct bt_notification *bt_notification_packet_end_create(
124 struct bt_packet *packet)
125 {
126 struct bt_notification_packet_end *notification;
127 struct bt_stream *stream;
128 struct bt_stream_class *stream_class;
129
130 BT_ASSERT_PRE_NON_NULL(packet, "Packet");
131 stream = bt_packet_borrow_stream(packet);
132 BT_ASSERT(stream);
133 stream_class = bt_stream_borrow_stream_class(stream);
134 BT_ASSERT(stream_class);
135 BT_LOGD("Creating packet end notification object: "
136 "packet-addr=%p, stream-addr=%p, stream-name=\"%s\", "
137 "stream-class-addr=%p, stream-class-name=\"%s\", "
138 "stream-class-id=%" PRId64,
139 packet, stream, bt_stream_get_name(stream),
140 stream_class,
141 bt_stream_class_get_name(stream_class),
142 bt_stream_class_get_id(stream_class));
143 notification = g_new0(struct bt_notification_packet_end, 1);
144 if (!notification) {
145 BT_LOGE_STR("Failed to allocate one packet end notification.");
146 goto error;
147 }
148
149 bt_notification_init(&notification->parent,
150 BT_NOTIFICATION_TYPE_PACKET_END,
151 bt_notification_packet_end_destroy);
152 notification->packet = bt_get(packet);
153 BT_LOGD("Created packet end notification object: "
154 "packet-addr=%p, stream-addr=%p, stream-name=\"%s\", "
155 "stream-class-addr=%p, stream-class-name=\"%s\", "
156 "stream-class-id=%" PRId64 ", addr=%p",
157 packet, stream, bt_stream_get_name(stream),
158 stream_class,
159 bt_stream_class_get_name(stream_class),
160 bt_stream_class_get_id(stream_class), notification);
161 return &notification->parent;
162 error:
163 return NULL;
164 }
165
166 struct bt_packet *bt_notification_packet_end_get_packet(
167 struct bt_notification *notification)
168 {
169 struct bt_notification_packet_end *packet_end;
170
171 BT_ASSERT_PRE_NON_NULL(notification, "Notification");
172 BT_ASSERT_PRE_NOTIF_IS_TYPE(notification,
173 BT_NOTIFICATION_TYPE_PACKET_END);
174 packet_end = container_of(notification,
175 struct bt_notification_packet_end, parent);
176 return bt_get(packet_end->packet);
177 }
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