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a6918753 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 "FIELD-WRAPPER" | |
24 | #include <babeltrace/lib-logging-internal.h> | |
25 | ||
26 | #include <babeltrace/ctf-ir/field-wrapper-internal.h> | |
27 | #include <babeltrace/ctf-ir/fields-internal.h> | |
28 | #include <babeltrace/object-pool-internal.h> | |
29 | #include <babeltrace/object-internal.h> | |
30 | #include <glib.h> | |
31 | ||
32 | BT_HIDDEN | |
33 | struct bt_field_wrapper *bt_field_wrapper_new(void *data) | |
34 | { | |
35 | struct bt_field_wrapper *field_wrapper = | |
36 | g_new0(struct bt_field_wrapper, 1); | |
37 | ||
38 | BT_LOGD_STR("Creating empty field wrapper object."); | |
39 | ||
40 | if (!field_wrapper) { | |
41 | BT_LOGE("Failed to allocate one field wrapper."); | |
42 | goto end; | |
43 | } | |
44 | ||
1d7bf349 | 45 | bt_object_init_unique(&field_wrapper->base); |
a6918753 PP |
46 | BT_LOGD("Created empty field wrapper object: addr=%p", |
47 | field_wrapper); | |
48 | ||
49 | end: | |
50 | return field_wrapper; | |
51 | } | |
52 | ||
53 | BT_HIDDEN | |
54 | void bt_field_wrapper_destroy(struct bt_field_wrapper *field_wrapper) | |
55 | { | |
56 | BT_LOGD("Destroying field wrapper: addr=%p", field_wrapper); | |
57 | ||
58 | if (field_wrapper->field) { | |
59 | BT_LOGD_STR("Destroying field."); | |
7b33a0e0 | 60 | bt_field_destroy((void *) field_wrapper->field); |
a6918753 PP |
61 | } |
62 | ||
63 | BT_LOGD_STR("Putting stream class."); | |
64 | g_free(field_wrapper); | |
65 | } | |
66 | ||
67 | BT_HIDDEN | |
68 | struct bt_field_wrapper *bt_field_wrapper_create( | |
69 | struct bt_object_pool *pool, struct bt_field_type *ft) | |
70 | { | |
71 | struct bt_field_wrapper *field_wrapper = NULL; | |
72 | ||
73 | BT_ASSERT(pool); | |
74 | BT_ASSERT(ft); | |
75 | field_wrapper = bt_object_pool_create_object(pool); | |
76 | if (!field_wrapper) { | |
77 | BT_LIB_LOGE("Cannot allocate one field wrapper from field wrapper pool: " | |
78 | "%![pool-]+o", pool); | |
79 | goto error; | |
80 | } | |
81 | ||
82 | if (!field_wrapper->field) { | |
7b33a0e0 | 83 | field_wrapper->field = (void *) bt_field_create(ft); |
a6918753 PP |
84 | if (!field_wrapper->field) { |
85 | BT_LIB_LOGE("Cannot create field wrapper from field type: " | |
86 | "%![ft-]+F", ft); | |
87 | goto error; | |
88 | } | |
89 | ||
90 | BT_LIB_LOGD("Created initial field wrapper object: " | |
91 | "wrapper-addr=%p, %![field-]+f", field_wrapper, | |
92 | field_wrapper->field); | |
93 | } | |
94 | ||
95 | goto end; | |
96 | ||
97 | error: | |
98 | if (field_wrapper) { | |
99 | bt_field_wrapper_destroy(field_wrapper); | |
100 | field_wrapper = NULL; | |
101 | } | |
102 | ||
103 | end: | |
104 | return field_wrapper; | |
105 | } |