2 * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com>
3 * David Goulet <dgoulet@efficios.com>
4 * 2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License, version 2 only, as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc., 51
17 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 #include "ctf-index.h"
27 #include <common/fs-handle.h>
28 #include <common/trace-chunk.h>
30 struct lttng_index_file
{
31 struct fs_handle
*file
;
35 struct lttng_trace_chunk
*trace_chunk
;
40 * create and open have refcount of 1. Use put to decrement the
41 * refcount. Destroys when reaching 0. Use "get" to increment refcount.
43 enum lttng_trace_chunk_status
lttng_index_file_create_from_trace_chunk(
44 struct lttng_trace_chunk
*chunk
,
45 const char *channel_path
, const char *stream_name
,
46 uint64_t stream_file_size
, uint64_t stream_count
,
47 uint32_t index_major
, uint32_t index_minor
,
48 bool unlink_existing_file
, struct lttng_index_file
**file
);
50 enum lttng_trace_chunk_status
lttng_index_file_create_from_trace_chunk_read_only(
51 struct lttng_trace_chunk
*chunk
,
52 const char *channel_path
, const char *stream_name
,
53 uint64_t stream_file_size
, uint64_t stream_file_index
,
54 uint32_t index_major
, uint32_t index_minor
,
55 bool expect_no_file
, struct lttng_index_file
**file
);
57 int lttng_index_file_write(const struct lttng_index_file
*index_file
,
58 const struct ctf_packet_index
*element
);
59 int lttng_index_file_read(const struct lttng_index_file
*index_file
,
60 struct ctf_packet_index
*element
);
62 void lttng_index_file_get(struct lttng_index_file
*index_file
);
63 void lttng_index_file_put(struct lttng_index_file
*index_file
);
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