aaa09262321dfc32f62dddb185430bc7d4e771f3
[babeltrace.git] / include / babeltrace / ctf / events-internal.h
1 #ifndef _BABELTRACE_CTF_EVENTS_INTERNAL_H
2 #define _BABELTRACE_CTF_EVENTS_INTERNAL_H
3
4 /*
5 * BabelTrace
6 *
7 * CTF events API (internal)
8 *
9 * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation
10 *
11 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
12 * Julien Desfossez <julien.desfossez@efficios.com>
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining
15 * a copy of this software and associated documentation files (the
16 * "Software"), to deal in the Software without restriction, including
17 * without limitation the rights to use, copy, modify, merge, publish,
18 * distribute, sublicense, and/or sell copies of the Software, and to
19 * permit persons to whom the Software is furnished to do so, subject to
20 * the following conditions:
21 *
22 * The above copyright notice and this permission notice shall be
23 * included in all copies or substantial portions of the Software.
24 */
25
26 #include <babeltrace/iterator-internal.h>
27 #include <babeltrace/ctf/callbacks.h>
28 #include <babeltrace/ctf/callbacks-internal.h>
29 #include <babeltrace/ctf-ir/metadata.h>
30 #include <glib.h>
31
32 struct ctf_stream_definition;
33
34 /*
35 * These structures are public mappings to internal ctf_event structures.
36 */
37 struct bt_ctf_event {
38 struct ctf_event_definition *parent;
39 };
40
41 struct bt_ctf_event_decl {
42 struct ctf_event_declaration parent;
43 GPtrArray *context_decl;
44 GPtrArray *fields_decl;
45 GPtrArray *packet_header_decl;
46 GPtrArray *event_context_decl;
47 GPtrArray *event_header_decl;
48 GPtrArray *packet_context_decl;
49 };
50
51 struct bt_ctf_iter {
52 struct bt_iter parent;
53 struct bt_ctf_event current_ctf_event; /* last read event */
54 GArray *callbacks; /* Array of struct bt_stream_callbacks */
55 struct bt_callback_chain main_callbacks; /* For all events */
56 /*
57 * Flag indicating if dependency graph needs to be recalculated.
58 * Set by bt_iter_add_callback(), and checked (and
59 * cleared) by upon entry into bt_iter_read_event().
60 * bt_iter_read_event() is responsible for calling dep
61 * graph calculation if it sees this flag set.
62 */
63 int recalculate_dep_graph;
64 /*
65 * Array of pointers to struct bt_dependencies, for garbage
66 * collection. We're not using a linked list here because each
67 * struct bt_dependencies can belong to more than one
68 * bt_iter.
69 */
70 GPtrArray *dep_gc;
71 };
72
73 #endif /*_BABELTRACE_CTF_EVENTS_INTERNAL_H */
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