Commit | Line | Data |
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16ca5ff0 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
16ca5ff0 PP |
3 | * |
4 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
5 | * Copyright 2016 Philippe Proulx <pproulx@efficios.com> | |
6 | * | |
0235b0db | 7 | * Babeltrace CTF writer - Field path |
16ca5ff0 PP |
8 | */ |
9 | ||
350ad6c1 | 10 | #define BT_LOG_TAG "CTF-WRITER/FIELD-PATH" |
67d2ce02 | 11 | #include "logging.h" |
16ca5ff0 | 12 | |
16ca5ff0 PP |
13 | #include <glib.h> |
14 | #include <inttypes.h> | |
15 | #include <limits.h> | |
16 | #include <stdint.h> | |
17 | ||
217cf9d3 | 18 | #include <babeltrace2-ctf-writer/field-types.h> |
578e048b MJ |
19 | |
20 | #include "common/assert.h" | |
21 | ||
22 | #include "field-path.h" | |
23 | #include "field-types.h" | |
24 | ||
16ca5ff0 | 25 | static |
e1e02a22 | 26 | void field_path_destroy(struct bt_ctf_object *obj) |
16ca5ff0 PP |
27 | { |
28 | struct bt_ctf_field_path *field_path = (struct bt_ctf_field_path *) obj; | |
29 | ||
30 | BT_LOGD("Destroying field path: addr=%p", obj); | |
31 | ||
32 | if (!field_path) { | |
33 | return; | |
34 | } | |
35 | ||
36 | if (field_path->indexes) { | |
37 | g_array_free(field_path->indexes, TRUE); | |
38 | } | |
39 | g_free(field_path); | |
40 | } | |
41 | ||
16ca5ff0 PP |
42 | struct bt_ctf_field_path *bt_ctf_field_path_create(void) |
43 | { | |
44 | struct bt_ctf_field_path *field_path = NULL; | |
45 | ||
46 | BT_LOGD_STR("Creating empty field path object."); | |
47 | ||
48 | field_path = g_new0(struct bt_ctf_field_path, 1); | |
49 | if (!field_path) { | |
50 | BT_LOGE_STR("Failed to allocate one field path."); | |
51 | goto error; | |
52 | } | |
53 | ||
e1e02a22 | 54 | bt_ctf_object_init_shared(&field_path->base, field_path_destroy); |
16ca5ff0 PP |
55 | field_path->root = BT_CTF_SCOPE_UNKNOWN; |
56 | field_path->indexes = g_array_new(TRUE, FALSE, sizeof(int)); | |
57 | if (!field_path->indexes) { | |
58 | BT_LOGE_STR("Failed to allocate a GArray."); | |
59 | goto error; | |
60 | } | |
61 | ||
62 | BT_LOGD("Created empty field path object: addr=%p", field_path); | |
63 | return field_path; | |
64 | ||
65 | error: | |
e1e02a22 | 66 | BT_CTF_OBJECT_PUT_REF_AND_RESET(field_path); |
16ca5ff0 PP |
67 | return NULL; |
68 | } | |
69 | ||
16ca5ff0 PP |
70 | void bt_ctf_field_path_clear(struct bt_ctf_field_path *field_path) |
71 | { | |
72 | if (field_path->indexes->len > 0) { | |
73 | g_array_remove_range(field_path->indexes, 0, | |
74 | field_path->indexes->len); | |
75 | } | |
76 | } | |
77 | ||
16ca5ff0 PP |
78 | struct bt_ctf_field_path *bt_ctf_field_path_copy( |
79 | struct bt_ctf_field_path *path) | |
80 | { | |
81 | struct bt_ctf_field_path *new_path; | |
82 | ||
98b15851 | 83 | BT_ASSERT_DBG(path); |
16ca5ff0 PP |
84 | BT_LOGD("Copying field path: addr=%p, index-count=%u", |
85 | path, path->indexes->len); | |
86 | new_path = bt_ctf_field_path_create(); | |
87 | if (!new_path) { | |
88 | BT_LOGE_STR("Cannot create empty field path."); | |
89 | goto end; | |
90 | } | |
91 | ||
92 | new_path->root = path->root; | |
93 | g_array_insert_vals(new_path->indexes, 0, | |
94 | path->indexes->data, path->indexes->len); | |
95 | BT_LOGD("Copied field path: original-addr=%p, copy-addr=%p", | |
96 | path, new_path); | |
97 | end: | |
98 | return new_path; | |
99 | } | |
100 | ||
101 | enum bt_ctf_scope bt_ctf_field_path_get_root_scope( | |
102 | const struct bt_ctf_field_path *field_path) | |
103 | { | |
104 | enum bt_ctf_scope scope = BT_CTF_SCOPE_UNKNOWN; | |
105 | ||
106 | if (!field_path) { | |
107 | BT_LOGW_STR("Invalid parameter: field path is NULL."); | |
108 | goto end; | |
109 | } | |
110 | ||
111 | scope = field_path->root; | |
112 | ||
113 | end: | |
114 | return scope; | |
115 | } | |
116 | ||
117 | int64_t bt_ctf_field_path_get_index_count( | |
118 | const struct bt_ctf_field_path *field_path) | |
119 | { | |
120 | int64_t count = (int64_t) -1; | |
121 | ||
122 | if (!field_path) { | |
123 | BT_LOGW_STR("Invalid parameter: field path is NULL."); | |
124 | goto end; | |
125 | } | |
126 | ||
127 | count = (int64_t) field_path->indexes->len; | |
128 | ||
129 | end: | |
130 | return count; | |
131 | } | |
132 | ||
133 | int bt_ctf_field_path_get_index(const struct bt_ctf_field_path *field_path, | |
134 | uint64_t index) | |
135 | { | |
136 | int ret = INT_MIN; | |
137 | ||
138 | if (!field_path) { | |
139 | BT_LOGW_STR("Invalid parameter: field path is NULL."); | |
140 | goto end; | |
141 | } | |
142 | ||
143 | if (index >= field_path->indexes->len) { | |
144 | BT_LOGW("Invalid parameter: index is out of bounds: " | |
145 | "addr=%p, index=%" PRIu64 ", count=%u", | |
146 | field_path, index, field_path->indexes->len); | |
147 | goto end; | |
148 | } | |
149 | ||
d50d46f3 | 150 | ret = bt_g_array_index(field_path->indexes, int, index); |
16ca5ff0 PP |
151 | |
152 | end: | |
153 | return ret; | |
154 | } |