db98771f45e91f4d35774c00bae39da79e1a8747
1 #ifndef BABELTRACE_CTF_IR_EVENT_INTERNAL_H
2 #define BABELTRACE_CTF_IR_EVENT_INTERNAL_H
5 * BabelTrace - CTF IR: Event 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/babeltrace-internal.h>
33 #include <babeltrace/values.h>
34 #include <babeltrace/ctf/types.h>
35 #include <babeltrace/ctf-ir/stream-class.h>
36 #include <babeltrace/ctf-ir/stream.h>
37 #include <babeltrace/ctf-ir/common-internal.h>
40 #define BT_CTF_EVENT_CLASS_ATTR_ID_INDEX 0
41 #define BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX 1
43 struct bt_ctf_event_class
{
44 struct bt_ctf_base base
;
45 struct bt_value
*attributes
;
47 * Weak reference; an event class does not have ownership of a
50 struct bt_ctf_stream_class
*stream_class
;
51 /* Structure type containing the event's context */
52 struct bt_ctf_field_type
*context
;
53 /* Structure type containing the event's fields */
54 struct bt_ctf_field_type
*fields
;
59 struct bt_ctf_base base
;
60 struct bt_ctf_event_class
*event_class
;
61 /* Weak reference; an event does not have ownership of a stream */
62 struct bt_ctf_stream
*stream
;
63 struct bt_ctf_field
*event_header
;
64 struct bt_ctf_field
*context_payload
;
65 struct bt_ctf_field
*fields_payload
;
69 void bt_ctf_event_class_freeze(struct bt_ctf_event_class
*event_class
);
72 int bt_ctf_event_class_set_stream_class(struct bt_ctf_event_class
*event_class
,
73 struct bt_ctf_stream_class
*stream_class
);
76 int bt_ctf_event_class_serialize(struct bt_ctf_event_class
*event_class
,
77 struct metadata_context
*context
);
80 void bt_ctf_event_class_set_native_byte_order(
81 struct bt_ctf_event_class
*event_class
,
85 int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class
*event_class
,
89 int bt_ctf_event_validate(struct bt_ctf_event
*event
);
92 int bt_ctf_event_serialize(struct bt_ctf_event
*event
,
93 struct ctf_stream_pos
*pos
);
96 int bt_ctf_event_set_stream(struct bt_ctf_event
*event
,
97 struct bt_ctf_stream
*stream
);
100 * Attempt to populate the "id" and "timestamp" fields of the event header if
101 * they are present, unset and their types are integers.
103 * Not finding these fields or encountering unexpected types is not an error
104 * since the user may have defined a different event header layout. In this
105 * case, it is expected that the fields be manually populated before appending
106 * an event to a stream.
109 int bt_ctf_event_populate_event_header(struct bt_ctf_event
*event
);
111 #endif /* BABELTRACE_CTF_IR_EVENT_INTERNAL_H */
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