fix sync with last babeltrace updates to live handling
[lttngtop.git] / lib / babeltrace / ctf / events-internal.h
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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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
26 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
27 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
28 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
29 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
30 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34#include <babeltrace/iterator-internal.h>
35#include <babeltrace/ctf/callbacks.h>
36#include <babeltrace/ctf/callbacks-internal.h>
37#include <babeltrace/ctf-ir/metadata.h>
38#include <glib.h>
39
40struct ctf_stream_definition;
41
42/*
43 * These structures are public mappings to internal ctf_event structures.
44 */
45struct bt_ctf_event {
46 struct ctf_event_definition *parent;
47};
48
49struct bt_ctf_event_decl {
50 struct ctf_event_declaration parent;
51 GPtrArray *context_decl;
52 GPtrArray *fields_decl;
53 GPtrArray *packet_header_decl;
54 GPtrArray *event_context_decl;
55 GPtrArray *event_header_decl;
56 GPtrArray *packet_context_decl;
57};
58
59struct bt_ctf_iter {
60 struct bt_iter parent;
61 struct bt_ctf_event current_ctf_event; /* last read event */
62 GArray *callbacks; /* Array of struct bt_stream_callbacks */
63 struct bt_callback_chain main_callbacks; /* For all events */
64 /*
65 * Flag indicating if dependency graph needs to be recalculated.
66 * Set by bt_iter_add_callback(), and checked (and
67 * cleared) by upon entry into bt_iter_read_event().
68 * bt_iter_read_event() is responsible for calling dep
69 * graph calculation if it sees this flag set.
70 */
71 int recalculate_dep_graph;
72 /*
73 * Array of pointers to struct bt_dependencies, for garbage
74 * collection. We're not using a linked list here because each
75 * struct bt_dependencies can belong to more than one
76 * bt_iter.
77 */
78 GPtrArray *dep_gc;
79 uint64_t events_lost;
80};
81
82void ctf_print_discarded(FILE *fp, struct ctf_stream_definition *stream,
83 int end_stream);
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84void ctf_update_current_packet_index(struct ctf_stream_definition *stream,
85 struct packet_index *prev_index,
86 struct packet_index *cur_index);
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87
88#endif /*_BABELTRACE_CTF_EVENTS_INTERNAL_H */
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