2 * Copyright 2018 Philippe Proulx <pproulx@efficios.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #define BT_LOG_TAG "PACKET-HEADER-FIELD"
24 #include <babeltrace/lib-logging-internal.h>
26 #include <babeltrace/assert-pre-internal.h>
27 #include <babeltrace/ctf-ir/trace-internal.h>
28 #include <babeltrace/ctf-ir/packet-header-field.h>
29 #include <babeltrace/ctf-ir/field-wrapper-internal.h>
30 #include <babeltrace/ctf-ir/fields-internal.h>
33 struct bt_field
*bt_packet_header_field_borrow_field(
34 struct bt_packet_header_field
*header_field
)
36 struct bt_field_wrapper
*field_wrapper
= (void *) header_field
;
38 BT_ASSERT_PRE_NON_NULL(field_wrapper
, "Packet header field");
39 return (void *) field_wrapper
->field
;
42 void bt_packet_header_field_release(struct bt_packet_header_field
*header_field
)
44 struct bt_field_wrapper
*field_wrapper
= (void *) header_field
;
46 BT_ASSERT_PRE_NON_NULL(field_wrapper
, "Packet header field");
49 * Do not recycle because the pool could be destroyed at this
50 * point. This function is only called when there's an error
51 * anyway because the goal of a packet header field wrapper is
52 * to eventually move it to a packet with
53 * bt_packet_move_header() after creating it.
55 bt_field_wrapper_destroy(field_wrapper
);
58 struct bt_packet_header_field
*bt_packet_header_field_create(
59 struct bt_trace
*trace
)
61 struct bt_field_wrapper
*field_wrapper
;
63 BT_ASSERT_PRE_NON_NULL(trace
, "Trace");
64 BT_ASSERT_PRE(trace
->packet_header_ft
,
65 "Trace has no packet header field type: %!+t", trace
);
66 field_wrapper
= bt_field_wrapper_create(
67 &trace
->packet_header_field_pool
,
68 (void *) trace
->packet_header_ft
);
70 BT_LIB_LOGE("Cannot allocate one packet header field from trace: "
71 "%![trace-]+t", trace
);
75 BT_ASSERT(field_wrapper
->field
);
76 bt_trace_freeze(trace
);
81 bt_field_wrapper_destroy(field_wrapper
);
86 return (void *) field_wrapper
;
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