projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> | |
| 36d2e35d | 23 | #include <lttng/constant.h> |
| da3c9ec1 DG |
24 | |
| 25 | /* | |
| 26 | * Object used for the snapshot API. This is opaque to the public library. | |
| 27 | */ | |
| 28 | struct lttng_snapshot_output { | |
| 29 | /* | |
| 30 | * ID of the snapshot output. This is only used when they are listed. It is | |
| 31 | * assigned by the session daemon so when adding an output, this value will | |
| 32 | * not be used. | |
| 33 | */ | |
| 34 | uint32_t id; | |
| 35 | /* | |
| 36 | * Maximum size in bytes of the snapshot meaning the total size of all | |
| 37 | * stream combined. A value of 0 is unlimited. | |
| 38 | */ | |
| 39 | uint64_t max_size; | |
| 40 | /* Name of the output so it can be recognized easily when listing them. */ | |
| 36d2e35d | 41 | char name[LTTNG_NAME_MAX]; |
| da3c9ec1 DG |
42 | /* Destination of the output. See lttng(1) for URL format. */ |
| 43 | char ctrl_url[PATH_MAX]; | |
| 44 | /* Destination of the output. See lttng(1) for URL format. */ | |
| 45 | char data_url[PATH_MAX]; | |
| 46 | }; | |
| 47 | ||
| 48 | /* | |
| 49 | * Snapshot output list object opaque to the user. | |
| 50 | */ | |
| 51 | struct lttng_snapshot_output_list { | |
| 52 | /* | |
| 53 | * The position in the output array. This is changed by a get_next call. | |
| 54 | */ | |
| 55 | int index; | |
| 56 | ||
| 57 | /* | |
| 58 | * Number of element in the array. | |
| 59 | */ | |
| 60 | size_t count; | |
| 61 | ||
| 62 | /* | |
| 63 | * Containes snapshot output object. | |
| 64 | */ | |
| 65 | struct lttng_snapshot_output *array; | |
| 66 | }; | |
| 67 | ||
| 68 | #endif /* LTTNG_SNAPSHOT_INTERNAL_ABI_H */ |