Commit | Line | Data |
---|---|---|
6dc3064a | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2013 David Goulet <dgoulet@efficios.com> |
6dc3064a | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: GPL-2.0-only |
6dc3064a | 5 | * |
6dc3064a DG |
6 | */ |
7 | ||
8 | #ifndef SNAPSHOT_H | |
9 | #define SNAPSHOT_H | |
10 | ||
11 | #include <limits.h> | |
12 | #include <stdint.h> | |
13 | ||
14 | #include <common/common.h> | |
15 | #include <common/hashtable/hashtable.h> | |
16 | #include <common/uri.h> | |
17 | ||
18 | #include "consumer.h" | |
19 | ||
20 | struct consumer_output; | |
b178f53e | 21 | struct ltt_session; |
6dc3064a DG |
22 | |
23 | struct snapshot_output { | |
24 | uint32_t id; | |
25 | uint64_t max_size; | |
1bfe7328 DG |
26 | /* Number of snapshot taken with that output. */ |
27 | uint64_t nb_snapshot; | |
6dc3064a DG |
28 | char name[NAME_MAX]; |
29 | struct consumer_output *consumer; | |
30 | int kernel_sockets_copied; | |
31 | int ust_sockets_copied; | |
10a50311 JD |
32 | /* |
33 | * Contains the string with "<date>-<time>" for when the snapshot command | |
34 | * is triggered. This is to make sure every streams will use the same time | |
35 | * for the directory output. | |
36 | */ | |
37 | char datetime[16]; | |
6dc3064a DG |
38 | |
39 | /* Indexed by ID. */ | |
40 | struct lttng_ht_node_ulong node; | |
41 | }; | |
42 | ||
43 | struct snapshot { | |
44 | unsigned long next_output_id; | |
45 | size_t nb_output; | |
1bfe7328 DG |
46 | /* |
47 | * Number of snapshot taken for that object. This value is used with a | |
48 | * temporary output of a snapshot record. | |
49 | */ | |
50 | uint64_t nb_snapshot; | |
6dc3064a DG |
51 | struct lttng_ht *output_ht; |
52 | }; | |
53 | ||
54 | /* Snapshot object. */ | |
55 | struct snapshot *snapshot_alloc(void); | |
56 | void snapshot_destroy(struct snapshot *obj); | |
57 | int snapshot_init(struct snapshot *obj); | |
58 | void snapshot_delete_output(struct snapshot *snapshot, | |
59 | struct snapshot_output *output); | |
60 | void snapshot_add_output(struct snapshot *snapshot, | |
61 | struct snapshot_output *output); | |
62 | ||
63 | /* Snapshot output object. */ | |
64 | struct snapshot_output *snapshot_output_alloc(void); | |
65 | void snapshot_output_destroy(struct snapshot_output *obj); | |
b178f53e JG |
66 | int snapshot_output_init(const struct ltt_session *session, |
67 | uint64_t max_size, const char *name, | |
6dc3064a DG |
68 | const char *ctrl_url, const char *data_url, |
69 | struct consumer_output *consumer, struct snapshot_output *output, | |
70 | struct snapshot *snapshot); | |
b178f53e JG |
71 | int snapshot_output_init_with_uri(const struct ltt_session *session, |
72 | uint64_t max_size, const char *name, | |
27babd3a DG |
73 | struct lttng_uri *uris, size_t nb_uri, |
74 | struct consumer_output *consumer, struct snapshot_output *output, | |
75 | struct snapshot *snapshot); | |
6dc3064a DG |
76 | struct snapshot_output *snapshot_find_output_by_id(uint32_t id, |
77 | struct snapshot *snapshot); | |
eb240553 DG |
78 | struct snapshot_output *snapshot_find_output_by_name(const char *name, |
79 | struct snapshot *snapshot); | |
6dc3064a DG |
80 | |
81 | #endif /* SNAPSHOT_H */ |