054d80a3837408fbc006742bac2c70d3bb3ff935
[babeltrace.git] / lib / ctf-ir / field-wrapper.c
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
45 bt_object_init_unique(&field_wrapper->base);
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.");
60 bt_field_destroy_recursive((void *) field_wrapper->field);
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) {
83 field_wrapper->field = (void *) bt_field_create_recursive(ft);
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 }
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