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>
6 * SPDX-License-Identifier: GPL-2.0-only
16 #include "ctf-index.h"
17 #include <common/fs-handle.h>
18 #include <common/trace-chunk.h>
24 struct lttng_index_file
{
25 struct fs_handle
*file
;
29 struct lttng_trace_chunk
*trace_chunk
;
34 * create and open have refcount of 1. Use put to decrement the
35 * refcount. Destroys when reaching 0. Use "get" to increment refcount.
37 enum lttng_trace_chunk_status
lttng_index_file_create_from_trace_chunk(
38 struct lttng_trace_chunk
*chunk
,
39 const char *channel_path
, const char *stream_name
,
40 uint64_t stream_file_size
, uint64_t stream_count
,
41 uint32_t index_major
, uint32_t index_minor
,
42 bool unlink_existing_file
, struct lttng_index_file
**file
);
44 enum lttng_trace_chunk_status
lttng_index_file_create_from_trace_chunk_read_only(
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
,
48 uint32_t index_major
, uint32_t index_minor
,
49 bool expect_no_file
, struct lttng_index_file
**file
);
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
);
56 void lttng_index_file_get(struct lttng_index_file
*index_file
);
57 void lttng_index_file_put(struct lttng_index_file
*index_file
);
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