4 * Babeltrace CTF writer - Field path
6 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 * Copyright 2016 Philippe Proulx <pproulx@efficios.com>
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
28 #define BT_LOG_TAG "CTF-WRITER/FIELD-PATH"
36 #include <babeltrace2/ctf-writer/field-types.h>
38 #include "common/assert.h"
40 #include "field-path.h"
41 #include "field-types.h"
44 void field_path_destroy(struct bt_ctf_object
*obj
)
46 struct bt_ctf_field_path
*field_path
= (struct bt_ctf_field_path
*) obj
;
48 BT_LOGD("Destroying field path: addr=%p", obj
);
54 if (field_path
->indexes
) {
55 g_array_free(field_path
->indexes
, TRUE
);
61 struct bt_ctf_field_path
*bt_ctf_field_path_create(void)
63 struct bt_ctf_field_path
*field_path
= NULL
;
65 BT_LOGD_STR("Creating empty field path object.");
67 field_path
= g_new0(struct bt_ctf_field_path
, 1);
69 BT_LOGE_STR("Failed to allocate one field path.");
73 bt_ctf_object_init_shared(&field_path
->base
, field_path_destroy
);
74 field_path
->root
= BT_CTF_SCOPE_UNKNOWN
;
75 field_path
->indexes
= g_array_new(TRUE
, FALSE
, sizeof(int));
76 if (!field_path
->indexes
) {
77 BT_LOGE_STR("Failed to allocate a GArray.");
81 BT_LOGD("Created empty field path object: addr=%p", field_path
);
85 BT_CTF_OBJECT_PUT_REF_AND_RESET(field_path
);
90 void bt_ctf_field_path_clear(struct bt_ctf_field_path
*field_path
)
92 if (field_path
->indexes
->len
> 0) {
93 g_array_remove_range(field_path
->indexes
, 0,
94 field_path
->indexes
->len
);
99 struct bt_ctf_field_path
*bt_ctf_field_path_copy(
100 struct bt_ctf_field_path
*path
)
102 struct bt_ctf_field_path
*new_path
;
105 BT_LOGD("Copying field path: addr=%p, index-count=%u",
106 path
, path
->indexes
->len
);
107 new_path
= bt_ctf_field_path_create();
109 BT_LOGE_STR("Cannot create empty field path.");
113 new_path
->root
= path
->root
;
114 g_array_insert_vals(new_path
->indexes
, 0,
115 path
->indexes
->data
, path
->indexes
->len
);
116 BT_LOGD("Copied field path: original-addr=%p, copy-addr=%p",
122 enum bt_ctf_scope
bt_ctf_field_path_get_root_scope(
123 const struct bt_ctf_field_path
*field_path
)
125 enum bt_ctf_scope scope
= BT_CTF_SCOPE_UNKNOWN
;
128 BT_LOGW_STR("Invalid parameter: field path is NULL.");
132 scope
= field_path
->root
;
138 int64_t bt_ctf_field_path_get_index_count(
139 const struct bt_ctf_field_path
*field_path
)
141 int64_t count
= (int64_t) -1;
144 BT_LOGW_STR("Invalid parameter: field path is NULL.");
148 count
= (int64_t) field_path
->indexes
->len
;
154 int bt_ctf_field_path_get_index(const struct bt_ctf_field_path
*field_path
,
160 BT_LOGW_STR("Invalid parameter: field path is NULL.");
164 if (index
>= field_path
->indexes
->len
) {
165 BT_LOGW("Invalid parameter: index is out of bounds: "
166 "addr=%p, index=%" PRIu64
", count=%u",
167 field_path
, index
, field_path
->indexes
->len
);
171 ret
= g_array_index(field_path
->indexes
, int, index
);
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