1 #ifndef BABELTRACE_CTF_IR_EVENT_TYPES_INTERNAL_H
2 #define BABELTRACE_CTF_IR_EVENT_TYPES_INTERNAL_H
5 * BabelTrace - CTF IR: Event types internal
7 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #include <babeltrace/ctf-writer/event-types.h>
31 #include <babeltrace/ctf-writer/event-fields.h>
32 #include <babeltrace/ctf-writer/writer.h>
33 #include <babeltrace/ctf-ir/trace-internal.h>
34 #include <babeltrace/babeltrace-internal.h>
35 #include <babeltrace/object-internal.h>
36 #include <babeltrace/types.h>
37 #include <babeltrace/ctf/events.h>
40 typedef void (*type_freeze_func
)(struct bt_ctf_field_type
*);
41 typedef int (*type_serialize_func
)(struct bt_ctf_field_type
*,
42 struct metadata_context
*);
44 struct bt_ctf_field_type
{
45 struct bt_object base
;
46 struct bt_declaration
*declaration
;
47 type_freeze_func freeze
;
48 type_serialize_func serialize
;
50 * A type can't be modified once it is added to an event or after a
51 * a field has been instanciated from it.
56 * This flag indicates if the field type is valid. A valid
57 * field type is _always_ frozen. All the nested field types of
58 * a valid field type are also valid (and thus frozen).
63 struct bt_ctf_field_type_integer
{
64 struct bt_ctf_field_type parent
;
65 struct declaration_integer declaration
;
66 struct bt_ctf_clock
*mapped_clock
;
69 * This is what the user sets and is never modified by internal
72 * This field must contain a `BT_CTF_BYTE_ORDER_*` value.
74 enum bt_ctf_byte_order user_byte_order
;
77 struct enumeration_mapping
{
90 struct bt_ctf_field_type_enumeration
{
91 struct bt_ctf_field_type parent
;
92 struct bt_ctf_field_type
*container
;
93 GPtrArray
*entries
; /* Array of ptrs to struct enumeration_mapping */
94 struct declaration_enum declaration
;
97 struct bt_ctf_field_type_floating_point
{
98 struct bt_ctf_field_type parent
;
99 struct declaration_float declaration
;
102 * The `declaration` field above contains 3 pointers pointing
103 * to the fields below. This avoids unnecessary dynamic
106 struct declaration_integer sign
;
107 struct declaration_integer mantissa
;
108 struct declaration_integer exp
;
111 * This is what the user sets and is never modified by internal
114 * This field must contain a `BT_CTF_BYTE_ORDER_*` value.
116 enum bt_ctf_byte_order user_byte_order
;
119 struct structure_field
{
121 struct bt_ctf_field_type
*type
;
124 struct bt_ctf_field_type_structure
{
125 struct bt_ctf_field_type parent
;
126 GHashTable
*field_name_to_index
;
127 GPtrArray
*fields
; /* Array of pointers to struct structure_field */
128 struct declaration_struct declaration
;
131 struct bt_ctf_field_type_variant
{
132 struct bt_ctf_field_type parent
;
134 struct bt_ctf_field_type_enumeration
*tag
;
135 struct bt_ctf_field_path
*tag_field_path
;
136 GHashTable
*field_name_to_index
;
137 GPtrArray
*fields
; /* Array of pointers to struct structure_field */
138 struct declaration_variant declaration
;
141 struct bt_ctf_field_type_array
{
142 struct bt_ctf_field_type parent
;
143 struct bt_ctf_field_type
*element_type
;
144 unsigned int length
; /* Number of elements */
145 struct declaration_array declaration
;
148 struct bt_ctf_field_type_sequence
{
149 struct bt_ctf_field_type parent
;
150 struct bt_ctf_field_type
*element_type
;
151 GString
*length_field_name
;
152 struct bt_ctf_field_path
*length_field_path
;
153 struct declaration_sequence declaration
;
156 struct bt_ctf_field_type_string
{
157 struct bt_ctf_field_type parent
;
158 struct declaration_string declaration
;
162 void bt_ctf_field_type_freeze(struct bt_ctf_field_type
*type
);
165 struct bt_ctf_field_type
*bt_ctf_field_type_variant_get_field_type_signed(
166 struct bt_ctf_field_type_variant
*variant
, int64_t tag_value
);
169 struct bt_ctf_field_type
*bt_ctf_field_type_variant_get_field_type_unsigned(
170 struct bt_ctf_field_type_variant
*variant
, uint64_t tag_value
);
173 int bt_ctf_field_type_serialize(struct bt_ctf_field_type
*type
,
174 struct metadata_context
*context
);
177 int bt_ctf_field_type_validate(struct bt_ctf_field_type
*type
);
180 const char *bt_ctf_field_type_enumeration_get_mapping_name_unsigned(
181 struct bt_ctf_field_type_enumeration
*enumeration_type
,
185 const char *bt_ctf_field_type_enumeration_get_mapping_name_signed(
186 struct bt_ctf_field_type_enumeration
*enumeration_type
,
189 /* Override field type's byte order only if it is set to "native" */
191 void bt_ctf_field_type_set_native_byte_order(
192 struct bt_ctf_field_type
*type
, int byte_order
);
194 /* Deep copy a field type */
196 struct bt_ctf_field_type
*bt_ctf_field_type_copy(
197 struct bt_ctf_field_type
*type
);
200 int bt_ctf_field_type_structure_get_field_name_index(
201 struct bt_ctf_field_type
*structure
, const char *name
);
203 /* Replace an existing field's type in a structure */
205 int bt_ctf_field_type_structure_set_field_index(
206 struct bt_ctf_field_type
*structure
,
207 struct bt_ctf_field_type
*field
, int index
);
210 int bt_ctf_field_type_variant_get_field_name_index(
211 struct bt_ctf_field_type
*variant
, const char *name
);
214 int bt_ctf_field_type_sequence_set_length_field_path(
215 struct bt_ctf_field_type
*type
,
216 struct bt_ctf_field_path
*path
);
219 int bt_ctf_field_type_variant_set_tag_field_path(struct bt_ctf_field_type
*type
,
220 struct bt_ctf_field_path
*path
);
223 int bt_ctf_field_type_variant_set_tag_field_type(struct bt_ctf_field_type
*type
,
224 struct bt_ctf_field_type
*tag_type
);
226 /* Replace an existing field's type in a variant */
228 int bt_ctf_field_type_variant_set_field_index(
229 struct bt_ctf_field_type
*variant
,
230 struct bt_ctf_field_type
*field
, int index
);
233 int bt_ctf_field_type_array_set_element_type(struct bt_ctf_field_type
*array
,
234 struct bt_ctf_field_type
*element_type
);
237 int bt_ctf_field_type_sequence_set_element_type(struct bt_ctf_field_type
*array
,
238 struct bt_ctf_field_type
*element_type
);
241 int bt_ctf_field_type_get_field_count(struct bt_ctf_field_type
*type
);
244 struct bt_ctf_field_type
*bt_ctf_field_type_get_field_at_index(
245 struct bt_ctf_field_type
*type
, int index
);
248 int bt_ctf_field_type_get_field_index(struct bt_ctf_field_type
*type
,
251 #endif /* BABELTRACE_CTF_IR_EVENT_TYPES_INTERNAL_H */