Commit | Line | Data |
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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 | |
ac497a37 SM |
20 | #ifdef __cplusplus |
21 | extern "C" { | |
22 | #endif | |
23 | ||
f8f3885c | 24 | struct lttng_index_file { |
8bb66c3c | 25 | struct fs_handle *file; |
f8f3885c MD |
26 | uint32_t major; |
27 | uint32_t minor; | |
28 | uint32_t element_len; | |
c35f9726 | 29 | struct lttng_trace_chunk *trace_chunk; |
f8f3885c MD |
30 | struct urcu_ref ref; |
31 | }; | |
32 | ||
33 | /* | |
34 | * create and open have refcount of 1. Use put to decrement the | |
35 | * refcount. Destroys when reaching 0. Use "get" to increment refcount. | |
36 | */ | |
3ff5c5db | 37 | enum lttng_trace_chunk_status lttng_index_file_create_from_trace_chunk( |
d2956687 | 38 | struct lttng_trace_chunk *chunk, |
ebb29c10 | 39 | const char *channel_path, const char *stream_name, |
d2956687 JG |
40 | uint64_t stream_file_size, uint64_t stream_count, |
41 | uint32_t index_major, uint32_t index_minor, | |
3ff5c5db MD |
42 | bool unlink_existing_file, struct lttng_index_file **file); |
43 | ||
44 | enum lttng_trace_chunk_status lttng_index_file_create_from_trace_chunk_read_only( | |
ebb29c10 JG |
45 | struct lttng_trace_chunk *chunk, |
46 | const char *channel_path, const char *stream_name, | |
47 | uint64_t stream_file_size, uint64_t stream_file_index, | |
3ff5c5db MD |
48 | uint32_t index_major, uint32_t index_minor, |
49 | bool expect_no_file, struct lttng_index_file **file); | |
50 | ||
f8f3885c MD |
51 | int lttng_index_file_write(const struct lttng_index_file *index_file, |
52 | const struct ctf_packet_index *element); | |
53 | int lttng_index_file_read(const struct lttng_index_file *index_file, | |
54 | struct ctf_packet_index *element); | |
55 | ||
56 | void lttng_index_file_get(struct lttng_index_file *index_file); | |
57 | void lttng_index_file_put(struct lttng_index_file *index_file); | |
309167d2 | 58 | |
ac497a37 SM |
59 | #ifdef __cplusplus |
60 | } | |
61 | #endif | |
62 | ||
309167d2 | 63 | #endif /* _INDEX_H */ |