4 * Babeltrace CTF IR - Stream packet
6 * Copyright 2016 Philippe Proulx <pproulx@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 #include <babeltrace/ctf-ir/fields-internal.h>
28 #include <babeltrace/ctf-ir/packet.h>
29 #include <babeltrace/ctf-ir/packet-internal.h>
30 #include <babeltrace/ctf-ir/trace.h>
31 #include <babeltrace/ctf-ir/stream-class-internal.h>
32 #include <babeltrace/ctf-ir/stream-class.h>
33 #include <babeltrace/ctf-ir/stream.h>
34 #include <babeltrace/ctf-ir/stream-internal.h>
35 #include <babeltrace/ctf-ir/trace-internal.h>
36 #include <babeltrace/object-internal.h>
37 #include <babeltrace/ref.h>
39 struct bt_ctf_stream
*bt_ctf_packet_get_stream(struct bt_ctf_packet
*packet
)
41 return packet
? bt_get(packet
->stream
) : NULL
;
44 struct bt_ctf_field
*bt_ctf_packet_get_header(
45 struct bt_ctf_packet
*packet
)
47 return packet
? bt_get(packet
->header
) : NULL
;
50 int bt_ctf_packet_set_header(struct bt_ctf_packet
*packet
,
51 struct bt_ctf_field
*header
)
54 struct bt_ctf_trace
*trace
= NULL
;
55 struct bt_ctf_stream_class
*stream_class
= NULL
;
56 struct bt_ctf_field_type
*header_field_type
= NULL
;
57 struct bt_ctf_field_type
*expected_header_field_type
= NULL
;
59 if (!packet
|| !header
|| packet
->frozen
) {
64 stream_class
= bt_ctf_stream_get_class(packet
->stream
);
66 trace
= bt_ctf_stream_class_get_trace(stream_class
);
68 header_field_type
= bt_ctf_field_get_type(header
);
69 assert(header_field_type
);
70 expected_header_field_type
= bt_ctf_trace_get_packet_header_type(trace
);
72 if (bt_ctf_field_type_compare(header_field_type
,
73 expected_header_field_type
)) {
78 bt_put(packet
->header
);
79 packet
->header
= bt_get(header
);
84 BT_PUT(header_field_type
);
85 BT_PUT(expected_header_field_type
);
90 struct bt_ctf_field
*bt_ctf_packet_get_context(
91 struct bt_ctf_packet
*packet
)
93 return packet
? bt_get(packet
->context
) : NULL
;
96 int bt_ctf_packet_set_context(struct bt_ctf_packet
*packet
,
97 struct bt_ctf_field
*context
)
100 struct bt_ctf_stream_class
*stream_class
= NULL
;
101 struct bt_ctf_field_type
*context_field_type
= NULL
;
102 struct bt_ctf_field_type
*expected_context_field_type
= NULL
;
104 if (!packet
|| !context
|| packet
->frozen
) {
109 stream_class
= bt_ctf_stream_get_class(packet
->stream
);
110 assert(stream_class
);
111 context_field_type
= bt_ctf_field_get_type(context
);
112 assert(context_field_type
);
113 expected_context_field_type
=
114 bt_ctf_stream_class_get_packet_context_type(stream_class
);
116 if (bt_ctf_field_type_compare(context_field_type
,
117 expected_context_field_type
)) {
122 bt_put(packet
->context
);
123 packet
->context
= bt_get(context
);
126 BT_PUT(stream_class
);
127 BT_PUT(context_field_type
);
128 BT_PUT(expected_context_field_type
);
134 void bt_ctf_packet_freeze(struct bt_ctf_packet
*packet
)
140 bt_ctf_field_freeze(packet
->header
);
141 bt_ctf_field_freeze(packet
->context
);
149 void bt_ctf_packet_destroy(struct bt_object
*obj
)
151 struct bt_ctf_packet
*packet
;
153 packet
= container_of(obj
, struct bt_ctf_packet
, base
);
154 bt_put(packet
->header
);
155 bt_put(packet
->context
);
156 bt_put(packet
->stream
);
160 extern struct bt_ctf_packet
*bt_ctf_packet_create(
161 struct bt_ctf_stream
*stream
)
163 struct bt_ctf_packet
*packet
= NULL
;
164 struct bt_ctf_stream_class
*stream_class
= NULL
;
165 struct bt_ctf_trace
*trace
= NULL
;
167 if (!stream
|| stream
->pos
.fd
>= 0) {
171 stream_class
= bt_ctf_stream_get_class(stream
);
172 assert(stream_class
);
173 trace
= bt_ctf_stream_class_get_trace(stream_class
);
175 packet
= g_new0(struct bt_ctf_packet
, 1);
180 bt_object_init(packet
, bt_ctf_packet_destroy
);
181 packet
->stream
= bt_get(stream
);
182 packet
->header
= bt_ctf_field_create(trace
->packet_header_type
);
183 if (!packet
->header
) {
188 packet
->context
= bt_ctf_field_create(
189 stream
->stream_class
->packet_context_type
);
190 if (!packet
->context
) {
197 BT_PUT(stream_class
);