86949fe131845a65f9d74885b105c4a76357ecb3
[babeltrace.git] / src / lib / trace-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 "LIB/FIELD-WRAPPER"
24 #include "lib/lib-logging.h"
25
26 #include "lib/object-pool.h"
27 #include "lib/object.h"
28 #include <glib.h>
29
30 #include "field-wrapper.h"
31 #include "field.h"
32
33 BT_HIDDEN
34 struct bt_field_wrapper *bt_field_wrapper_new(void *data)
35 {
36 struct bt_field_wrapper *field_wrapper =
37 g_new0(struct bt_field_wrapper, 1);
38
39 BT_LOGD_STR("Creating empty field wrapper object.");
40
41 if (!field_wrapper) {
42 BT_LOGE("Failed to allocate one field wrapper.");
43 goto end;
44 }
45
46 bt_object_init_unique(&field_wrapper->base);
47 BT_LOGD("Created empty field wrapper object: addr=%p",
48 field_wrapper);
49
50 end:
51 return field_wrapper;
52 }
53
54 BT_HIDDEN
55 void bt_field_wrapper_destroy(struct bt_field_wrapper *field_wrapper)
56 {
57 BT_LOGD("Destroying field wrapper: addr=%p", field_wrapper);
58
59 if (field_wrapper->field) {
60 BT_LOGD_STR("Destroying field.");
61 bt_field_destroy((void *) field_wrapper->field);
62 field_wrapper->field = NULL;
63 }
64
65 BT_LOGD_STR("Putting stream class.");
66 g_free(field_wrapper);
67 }
68
69 BT_HIDDEN
70 struct bt_field_wrapper *bt_field_wrapper_create(
71 struct bt_object_pool *pool, struct bt_field_class *fc)
72 {
73 struct bt_field_wrapper *field_wrapper = NULL;
74
75 BT_ASSERT(pool);
76 BT_ASSERT(fc);
77 field_wrapper = bt_object_pool_create_object(pool);
78 if (!field_wrapper) {
79 BT_LIB_LOGE("Cannot allocate one field wrapper from field wrapper pool: "
80 "%![pool-]+o", pool);
81 goto error;
82 }
83
84 if (!field_wrapper->field) {
85 field_wrapper->field = (void *) bt_field_create(fc);
86 if (!field_wrapper->field) {
87 BT_LIB_LOGE("Cannot create field wrapper from field class: "
88 "%![fc-]+F", fc);
89 goto error;
90 }
91
92 BT_LIB_LOGD("Created initial field wrapper object: "
93 "wrapper-addr=%p, %![field-]+f", field_wrapper,
94 field_wrapper->field);
95 }
96
97 goto end;
98
99 error:
100 if (field_wrapper) {
101 bt_field_wrapper_destroy(field_wrapper);
102 field_wrapper = NULL;
103 }
104
105 end:
106 return field_wrapper;
107 }
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