1 #ifndef CTF_FS_DS_FILE_H
2 #define CTF_FS_DS_FILE_H
5 * Copyright 2016 - Philippe Proulx <pproulx@efficios.com>
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #include "common/macros.h"
30 #include <babeltrace2/babeltrace.h>
32 #include "../common/msg-iter/msg-iter.h"
33 #include "lttng-index.h"
35 struct ctf_fs_component
;
38 struct ctf_fs_ds_file
;
40 struct ctf_fs_ds_file_info
{
44 /* Guaranteed to be set, as opposed to the index. */
48 struct ctf_fs_metadata
;
50 struct ctf_fs_ds_file
{
51 bt_logging_level log_level
;
54 bt_self_component
*self_comp
;
57 struct ctf_fs_metadata
*metadata
;
60 bt_self_message_iterator
*pc_msg_iter
;
63 struct ctf_fs_file
*file
;
69 struct bt_msg_iter
*msg_iter
;
74 * Max length of chunk to mmap() when updating the current mapping.
75 * This value must be page-aligned.
79 /* Length of the current mapping. Never exceeds the file's length. */
82 /* Offset in the file where the current mapping starts. */
86 * Offset, in the current mapping, of the address to return on the next
95 struct ctf_fs_ds_file
*ctf_fs_ds_file_create(
96 struct ctf_fs_trace
*ctf_fs_trace
,
97 bt_self_message_iterator
*pc_msg_iter
,
98 struct bt_msg_iter
*msg_iter
,
99 bt_stream
*stream
, const char *path
,
100 bt_logging_level log_level
);
103 void ctf_fs_ds_file_destroy(struct ctf_fs_ds_file
*stream
);
106 bt_component_class_message_iterator_next_method_status
ctf_fs_ds_file_next(
107 struct ctf_fs_ds_file
*ds_file
,
111 struct ctf_fs_ds_index
*ctf_fs_ds_file_build_index(
112 struct ctf_fs_ds_file
*ds_file
);
115 struct ctf_fs_ds_index
*ctf_fs_ds_index_create(bt_logging_level log_level
,
116 bt_self_component
*self_comp
);
119 void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index
*index
);
121 extern struct bt_msg_iter_medium_ops ctf_fs_ds_file_medops
;
123 #endif /* CTF_FS_DS_FILE_H */