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da3c9ec1 DG |
1 | /* |
2 | * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | #ifndef LTTNG_SNAPSHOT_INTERNAL_ABI_H | |
19 | #define LTTNG_SNAPSHOT_INTERNAL_ABI_H | |
20 | ||
21 | #include <limits.h> | |
22 | #include <stdint.h> | |
23 | ||
24 | /* | |
25 | * Object used for the snapshot API. This is opaque to the public library. | |
26 | */ | |
27 | struct lttng_snapshot_output { | |
28 | /* | |
29 | * ID of the snapshot output. This is only used when they are listed. It is | |
30 | * assigned by the session daemon so when adding an output, this value will | |
31 | * not be used. | |
32 | */ | |
33 | uint32_t id; | |
34 | /* | |
35 | * Maximum size in bytes of the snapshot meaning the total size of all | |
36 | * stream combined. A value of 0 is unlimited. | |
37 | */ | |
38 | uint64_t max_size; | |
39 | /* Name of the output so it can be recognized easily when listing them. */ | |
40 | char name[NAME_MAX]; | |
41 | /* Destination of the output. See lttng(1) for URL format. */ | |
42 | char ctrl_url[PATH_MAX]; | |
43 | /* Destination of the output. See lttng(1) for URL format. */ | |
44 | char data_url[PATH_MAX]; | |
45 | }; | |
46 | ||
47 | /* | |
48 | * Snapshot output list object opaque to the user. | |
49 | */ | |
50 | struct lttng_snapshot_output_list { | |
51 | /* | |
52 | * The position in the output array. This is changed by a get_next call. | |
53 | */ | |
54 | int index; | |
55 | ||
56 | /* | |
57 | * Number of element in the array. | |
58 | */ | |
59 | size_t count; | |
60 | ||
61 | /* | |
62 | * Containes snapshot output object. | |
63 | */ | |
64 | struct lttng_snapshot_output *array; | |
65 | }; | |
66 | ||
67 | #endif /* LTTNG_SNAPSHOT_INTERNAL_ABI_H */ |