Commit | Line | Data |
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312c056a PP |
1 | /* |
2 | * Copyright 2018 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
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: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
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 | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
23 | #define BT_LOG_TAG "PACKET-HEADER-FIELD" | |
24 | #include <babeltrace/lib-logging-internal.h> | |
25 | ||
26 | #include <babeltrace/assert-pre-internal.h> | |
40f4ba76 | 27 | #include <babeltrace/trace-ir/packet-header-field.h> |
56e18c4c | 28 | #include <babeltrace/trace-ir/trace-internal.h> |
56e18c4c | 29 | #include <babeltrace/trace-ir/field-wrapper-internal.h> |
c6bd8523 | 30 | #include <babeltrace/trace-ir/field-internal.h> |
312c056a PP |
31 | #include <glib.h> |
32 | ||
40f4ba76 PP |
33 | struct bt_field *bt_packet_header_field_borrow_field( |
34 | struct bt_packet_header_field *header_field) | |
312c056a PP |
35 | { |
36 | struct bt_field_wrapper *field_wrapper = (void *) header_field; | |
37 | ||
44c440bc | 38 | BT_ASSERT_PRE_NON_NULL(field_wrapper, "Packet header field"); |
312c056a PP |
39 | return (void *) field_wrapper->field; |
40 | } | |
41 | ||
40f4ba76 PP |
42 | void bt_packet_header_field_release( |
43 | struct bt_packet_header_field *header_field) | |
312c056a PP |
44 | { |
45 | struct bt_field_wrapper *field_wrapper = (void *) header_field; | |
46 | ||
44c440bc | 47 | BT_ASSERT_PRE_NON_NULL(field_wrapper, "Packet header field"); |
312c056a PP |
48 | |
49 | /* | |
50 | * Do not recycle because the pool could be destroyed at this | |
51 | * point. This function is only called when there's an error | |
52 | * anyway because the goal of a packet header field wrapper is | |
53 | * to eventually move it to a packet with | |
54 | * bt_packet_move_header() after creating it. | |
55 | */ | |
56 | bt_field_wrapper_destroy(field_wrapper); | |
57 | } | |
44c440bc | 58 | |
40f4ba76 | 59 | struct bt_packet_header_field *bt_packet_header_field_create( |
862ca4ed | 60 | struct bt_trace_class *tc) |
44c440bc PP |
61 | { |
62 | struct bt_field_wrapper *field_wrapper; | |
63 | ||
862ca4ed PP |
64 | BT_ASSERT_PRE_NON_NULL(tc, "Trace class"); |
65 | BT_ASSERT_PRE(tc->packet_header_fc, | |
66 | "Trace class has no packet header field class: %!+T", tc); | |
44c440bc | 67 | field_wrapper = bt_field_wrapper_create( |
862ca4ed PP |
68 | &tc->packet_header_field_pool, |
69 | (void *) tc->packet_header_fc); | |
44c440bc | 70 | if (!field_wrapper) { |
862ca4ed PP |
71 | BT_LIB_LOGE("Cannot allocate one packet header field from trace class: " |
72 | "%![tc-]+T", tc); | |
44c440bc PP |
73 | goto error; |
74 | } | |
75 | ||
76 | BT_ASSERT(field_wrapper->field); | |
862ca4ed | 77 | bt_trace_class_freeze(tc); |
44c440bc PP |
78 | goto end; |
79 | ||
80 | error: | |
81 | if (field_wrapper) { | |
82 | bt_field_wrapper_destroy(field_wrapper); | |
83 | field_wrapper = NULL; | |
84 | } | |
85 | ||
86 | end: | |
87 | return (void *) field_wrapper; | |
88 | } |