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/field-types-internal.h>
29 #include <babeltrace/ctf-ir/packet.h>
30 #include <babeltrace/ctf-ir/packet-internal.h>
31 #include <babeltrace/ctf-ir/trace.h>
32 #include <babeltrace/ctf-ir/stream-class-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/ctf-ir/trace-internal.h>
37 #include <babeltrace/object-internal.h>
38 #include <babeltrace/ref.h>
41 struct bt_ctf_stream
*bt_ctf_packet_get_stream(struct bt_ctf_packet
*packet
)
43 return packet
? bt_get(packet
->stream
) : NULL
;
47 struct bt_ctf_field
*bt_ctf_packet_get_header(
48 struct bt_ctf_packet
*packet
)
50 return packet
? bt_get(packet
->header
) : NULL
;
54 int bt_ctf_packet_set_header(struct bt_ctf_packet
*packet
,
55 struct bt_ctf_field
*header
)
58 struct bt_ctf_trace
*trace
= NULL
;
59 struct bt_ctf_stream_class
*stream_class
= NULL
;
60 struct bt_ctf_field_type
*header_field_type
= NULL
;
61 struct bt_ctf_field_type
*expected_header_field_type
= NULL
;
63 if (!packet
|| !header
|| packet
->frozen
) {
68 stream_class
= bt_ctf_stream_get_class(packet
->stream
);
70 trace
= bt_ctf_stream_class_get_trace(stream_class
);
72 header_field_type
= bt_ctf_field_get_type(header
);
73 assert(header_field_type
);
74 expected_header_field_type
= bt_ctf_trace_get_packet_header_type(trace
);
76 if (bt_ctf_field_type_compare(header_field_type
,
77 expected_header_field_type
)) {
82 bt_put(packet
->header
);
83 packet
->header
= bt_get(header
);
88 BT_PUT(header_field_type
);
89 BT_PUT(expected_header_field_type
);
95 struct bt_ctf_field
*bt_ctf_packet_get_context(
96 struct bt_ctf_packet
*packet
)
98 return packet
? bt_get(packet
->context
) : NULL
;
102 int bt_ctf_packet_set_context(struct bt_ctf_packet
*packet
,
103 struct bt_ctf_field
*context
)
106 struct bt_ctf_stream_class
*stream_class
= NULL
;
107 struct bt_ctf_field_type
*context_field_type
= NULL
;
108 struct bt_ctf_field_type
*expected_context_field_type
= NULL
;
110 if (!packet
|| !context
|| packet
->frozen
) {
115 stream_class
= bt_ctf_stream_get_class(packet
->stream
);
116 assert(stream_class
);
117 context_field_type
= bt_ctf_field_get_type(context
);
118 assert(context_field_type
);
119 expected_context_field_type
=
120 bt_ctf_stream_class_get_packet_context_type(stream_class
);
122 if (bt_ctf_field_type_compare(context_field_type
,
123 expected_context_field_type
)) {
128 bt_put(packet
->context
);
129 packet
->context
= bt_get(context
);
132 BT_PUT(stream_class
);
133 BT_PUT(context_field_type
);
134 BT_PUT(expected_context_field_type
);
140 void bt_ctf_packet_freeze(struct bt_ctf_packet
*packet
)
146 bt_ctf_field_freeze(packet
->header
);
147 bt_ctf_field_freeze(packet
->context
);
152 void bt_ctf_packet_destroy(struct bt_object
*obj
)
154 struct bt_ctf_packet
*packet
;
156 packet
= container_of(obj
, struct bt_ctf_packet
, base
);
157 bt_put(packet
->header
);
158 bt_put(packet
->context
);
159 bt_put(packet
->stream
);
164 struct bt_ctf_packet
*bt_ctf_packet_create(
165 struct bt_ctf_stream
*stream
)
167 struct bt_ctf_packet
*packet
= NULL
;
168 struct bt_ctf_stream_class
*stream_class
= NULL
;
169 struct bt_ctf_trace
*trace
= NULL
;
171 if (!stream
|| stream
->pos
.fd
>= 0) {
175 stream_class
= bt_ctf_stream_get_class(stream
);
176 assert(stream_class
);
177 trace
= bt_ctf_stream_class_get_trace(stream_class
);
179 packet
= g_new0(struct bt_ctf_packet
, 1);
184 bt_object_init(packet
, bt_ctf_packet_destroy
);
185 packet
->stream
= bt_get(stream
);
186 packet
->header
= bt_ctf_field_create(trace
->packet_header_type
);
187 if (!packet
->header
) {
192 packet
->context
= bt_ctf_field_create(
193 stream
->stream_class
->packet_context_type
);
194 if (!packet
->context
) {
201 BT_PUT(stream_class
);