param-validation: add static creation methods to bt_param_validation_value_descr
[babeltrace.git] / src / plugins / ctf / fs-src / lttng-index.hpp
... / ...
CommitLineData
1/*
2 * SPDX-License-Identifier: MIT
3 *
4 * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
5 * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6 * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
7 */
8
9#ifndef LTTNG_INDEX_H
10#define LTTNG_INDEX_H
11
12#include <stddef.h>
13#include "compat/limits.h"
14
15#define CTF_INDEX_MAGIC 0xC1F1DCC1
16#define CTF_INDEX_MAJOR 1
17#define CTF_INDEX_MINOR 1
18#define CTF_INDEX_1_0_SIZE offsetof(struct ctf_packet_index, stream_instance_id)
19
20/*
21 * Header at the beginning of each index file.
22 * All integer fields are stored in big endian.
23 */
24struct ctf_packet_index_file_hdr
25{
26 uint32_t magic;
27 uint32_t index_major;
28 uint32_t index_minor;
29 /* size of struct ctf_packet_index, in bytes. */
30 uint32_t packet_index_len;
31} __attribute__((__packed__));
32
33/*
34 * Packet index generated for each trace packet store in a trace file.
35 * All integer fields are stored in big endian.
36 */
37struct ctf_packet_index
38{
39 uint64_t offset; /* offset of the packet in the file, in bytes */
40 uint64_t packet_size; /* packet size, in bits */
41 uint64_t content_size; /* content size, in bits */
42 uint64_t timestamp_begin;
43 uint64_t timestamp_end;
44 uint64_t events_discarded;
45 uint64_t stream_id;
46 /* CTF_INDEX 1.0 limit */
47 uint64_t stream_instance_id; /* ID of the channel instance */
48 uint64_t packet_seq_num; /* packet sequence number */
49} __attribute__((__packed__));
50
51#endif /* LTTNG_INDEX_H */
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