Commit | Line | Data |
---|---|---|
309167d2 | 1 | /* |
ab5be9fa MJ |
2 | * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com> |
3 | * Copyright (C) 2013 David Goulet <dgoulet@efficios.com> | |
4 | * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
309167d2 | 5 | * |
ab5be9fa | 6 | * SPDX-License-Identifier: GPL-2.0-only |
309167d2 | 7 | * |
309167d2 JD |
8 | */ |
9 | ||
10 | #ifndef _INDEX_H | |
11 | #define _INDEX_H | |
12 | ||
13 | #include <inttypes.h> | |
f8f3885c | 14 | #include <urcu/ref.h> |
309167d2 | 15 | |
50adc264 | 16 | #include "ctf-index.h" |
8bb66c3c JG |
17 | #include <common/fs-handle.h> |
18 | #include <common/trace-chunk.h> | |
309167d2 | 19 | |
f8f3885c | 20 | struct lttng_index_file { |
8bb66c3c | 21 | struct fs_handle *file; |
f8f3885c MD |
22 | uint32_t major; |
23 | uint32_t minor; | |
24 | uint32_t element_len; | |
c35f9726 | 25 | struct lttng_trace_chunk *trace_chunk; |
f8f3885c MD |
26 | struct urcu_ref ref; |
27 | }; | |
28 | ||
29 | /* | |
30 | * create and open have refcount of 1. Use put to decrement the | |
31 | * refcount. Destroys when reaching 0. Use "get" to increment refcount. | |
32 | */ | |
3ff5c5db | 33 | enum lttng_trace_chunk_status lttng_index_file_create_from_trace_chunk( |
d2956687 | 34 | struct lttng_trace_chunk *chunk, |
ebb29c10 | 35 | const char *channel_path, const char *stream_name, |
d2956687 JG |
36 | uint64_t stream_file_size, uint64_t stream_count, |
37 | uint32_t index_major, uint32_t index_minor, | |
3ff5c5db MD |
38 | bool unlink_existing_file, struct lttng_index_file **file); |
39 | ||
40 | enum lttng_trace_chunk_status lttng_index_file_create_from_trace_chunk_read_only( | |
ebb29c10 JG |
41 | struct lttng_trace_chunk *chunk, |
42 | const char *channel_path, const char *stream_name, | |
43 | uint64_t stream_file_size, uint64_t stream_file_index, | |
3ff5c5db MD |
44 | uint32_t index_major, uint32_t index_minor, |
45 | bool expect_no_file, struct lttng_index_file **file); | |
46 | ||
f8f3885c MD |
47 | int lttng_index_file_write(const struct lttng_index_file *index_file, |
48 | const struct ctf_packet_index *element); | |
49 | int lttng_index_file_read(const struct lttng_index_file *index_file, | |
50 | struct ctf_packet_index *element); | |
51 | ||
52 | void lttng_index_file_get(struct lttng_index_file *index_file); | |
53 | void lttng_index_file_put(struct lttng_index_file *index_file); | |
309167d2 JD |
54 | |
55 | #endif /* _INDEX_H */ |