| 1 | /* |
| 2 | * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU General Public License, version 2 only, as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program 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 General Public License for |
| 11 | * more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along with |
| 14 | * this program; if not, write to the Free Software Foundation, Inc., 51 |
| 15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 16 | */ |
| 17 | |
| 18 | #ifndef SNAPSHOT_H |
| 19 | #define SNAPSHOT_H |
| 20 | |
| 21 | #include <limits.h> |
| 22 | #include <stdint.h> |
| 23 | |
| 24 | #include <common/common.h> |
| 25 | #include <common/hashtable/hashtable.h> |
| 26 | #include <common/uri.h> |
| 27 | |
| 28 | #include "consumer.h" |
| 29 | |
| 30 | struct consumer_output; |
| 31 | |
| 32 | struct snapshot_output { |
| 33 | uint32_t id; |
| 34 | uint64_t max_size; |
| 35 | char name[NAME_MAX]; |
| 36 | struct consumer_output *consumer; |
| 37 | int kernel_sockets_copied; |
| 38 | int ust_sockets_copied; |
| 39 | |
| 40 | /* Indexed by ID. */ |
| 41 | struct lttng_ht_node_ulong node; |
| 42 | }; |
| 43 | |
| 44 | struct snapshot { |
| 45 | unsigned long next_output_id; |
| 46 | size_t nb_output; |
| 47 | struct lttng_ht *output_ht; |
| 48 | }; |
| 49 | |
| 50 | /* Snapshot object. */ |
| 51 | struct snapshot *snapshot_alloc(void); |
| 52 | void snapshot_destroy(struct snapshot *obj); |
| 53 | int snapshot_init(struct snapshot *obj); |
| 54 | void snapshot_delete_output(struct snapshot *snapshot, |
| 55 | struct snapshot_output *output); |
| 56 | void snapshot_add_output(struct snapshot *snapshot, |
| 57 | struct snapshot_output *output); |
| 58 | |
| 59 | /* Snapshot output object. */ |
| 60 | struct snapshot_output *snapshot_output_alloc(void); |
| 61 | void snapshot_output_destroy(struct snapshot_output *obj); |
| 62 | int snapshot_output_init(uint64_t max_size, const char *name, |
| 63 | const char *ctrl_url, const char *data_url, |
| 64 | struct consumer_output *consumer, struct snapshot_output *output, |
| 65 | struct snapshot *snapshot); |
| 66 | struct snapshot_output *snapshot_find_output_by_id(uint32_t id, |
| 67 | struct snapshot *snapshot); |
| 68 | |
| 69 | #endif /* SNAPSHOT_H */ |