Commit | Line | Data |
---|---|---|
b6c3dcb2 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
b6c3dcb2 | 3 | * |
0235b0db MJ |
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> | |
b6c3dcb2 JG |
7 | */ |
8 | ||
9 | #ifndef LTTNG_INDEX_H | |
10 | #define LTTNG_INDEX_H | |
11 | ||
7ece2fc0 SM |
12 | #include <cstdint> |
13 | ||
83ad336c | 14 | #include "compat/limits.h" /* IWYU pragma: keep */ |
b6c3dcb2 | 15 | |
4164020e SM |
16 | #define CTF_INDEX_MAGIC 0xC1F1DCC1 |
17 | #define CTF_INDEX_MAJOR 1 | |
18 | #define CTF_INDEX_MINOR 1 | |
ef4ef756 | 19 | #define CTF_INDEX_1_0_SIZE offsetof(struct ctf_packet_index, stream_instance_id) |
b6c3dcb2 JG |
20 | |
21 | /* | |
22 | * Header at the beginning of each index file. | |
23 | * All integer fields are stored in big endian. | |
24 | */ | |
4164020e SM |
25 | struct ctf_packet_index_file_hdr |
26 | { | |
27 | uint32_t magic; | |
28 | uint32_t index_major; | |
29 | uint32_t index_minor; | |
30 | /* size of struct ctf_packet_index, in bytes. */ | |
31 | uint32_t packet_index_len; | |
b6c3dcb2 JG |
32 | } __attribute__((__packed__)); |
33 | ||
34 | /* | |
35 | * Packet index generated for each trace packet store in a trace file. | |
36 | * All integer fields are stored in big endian. | |
37 | */ | |
4164020e SM |
38 | struct ctf_packet_index |
39 | { | |
40 | uint64_t offset; /* offset of the packet in the file, in bytes */ | |
41 | uint64_t packet_size; /* packet size, in bits */ | |
42 | uint64_t content_size; /* content size, in bits */ | |
43 | uint64_t timestamp_begin; | |
44 | uint64_t timestamp_end; | |
45 | uint64_t events_discarded; | |
46 | uint64_t stream_id; | |
47 | /* CTF_INDEX 1.0 limit */ | |
48 | uint64_t stream_instance_id; /* ID of the channel instance */ | |
49 | uint64_t packet_seq_num; /* packet sequence number */ | |
b6c3dcb2 JG |
50 | } __attribute__((__packed__)); |
51 | ||
52 | #endif /* LTTNG_INDEX_H */ |