0afac8dd0ed93b82a24492c736f3452d18ce0f32
[lttng-tools.git] / include / lttng / condition / session-rotation-internal.h
1 /*
2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@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_CONDITION_SESSION_ROTATION_INTERNAL_H
19 #define LTTNG_CONDITION_SESSION_ROTATION_INTERNAL_H
20
21 #include <lttng/condition/session-rotation.h>
22 #include <lttng/condition/condition-internal.h>
23 #include <lttng/condition/evaluation-internal.h>
24 #include "common/buffer-view.h"
25 #include <lttng/location.h>
26
27 struct lttng_condition_session_rotation {
28 struct lttng_condition parent;
29 char *session_name;
30 };
31
32 struct lttng_condition_session_rotation_comm {
33 /* Length includes the trailing \0. */
34 uint32_t session_name_len;
35 char session_name[];
36 } LTTNG_PACKED;
37
38 struct lttng_evaluation_session_rotation {
39 struct lttng_evaluation parent;
40 uint64_t id;
41 struct lttng_trace_archive_location *location;
42 };
43
44 struct lttng_evaluation_session_rotation_comm {
45 uint64_t id;
46 uint8_t has_location;
47 } LTTNG_PACKED;
48
49 LTTNG_HIDDEN
50 ssize_t lttng_condition_session_rotation_ongoing_create_from_buffer(
51 const struct lttng_buffer_view *view,
52 struct lttng_condition **condition);
53
54 LTTNG_HIDDEN
55 ssize_t lttng_condition_session_rotation_completed_create_from_buffer(
56 const struct lttng_buffer_view *view,
57 struct lttng_condition **condition);
58
59 LTTNG_HIDDEN
60 struct lttng_evaluation *lttng_evaluation_session_rotation_ongoing_create(
61 uint64_t id);
62
63 /* Ownership of location is transferred to the evaluation. */
64 LTTNG_HIDDEN
65 struct lttng_evaluation *lttng_evaluation_session_rotation_completed_create(
66 uint64_t id,
67 struct lttng_trace_archive_location *location);
68
69 LTTNG_HIDDEN
70 ssize_t lttng_evaluation_session_rotation_ongoing_create_from_buffer(
71 const struct lttng_buffer_view *view,
72 struct lttng_evaluation **evaluation);
73
74 LTTNG_HIDDEN
75 ssize_t lttng_evaluation_session_rotation_completed_create_from_buffer(
76 const struct lttng_buffer_view *view,
77 struct lttng_evaluation **evaluation);
78
79 #endif /* LTTNG_CONDITION_SESSION_ROTATION_INTERNAL_H */
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