Commit | Line | Data |
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434131e4 | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
434131e4 | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
434131e4 | 5 | * |
434131e4 JG |
6 | */ |
7 | ||
8 | #ifndef LTTNG_LOCATION_INTERNAL_H | |
9 | #define LTTNG_LOCATION_INTERNAL_H | |
10 | ||
11 | #include <lttng/location.h> | |
1e9f1cf8 JG |
12 | #include <common/dynamic-buffer.h> |
13 | #include <common/buffer-view.h> | |
434131e4 | 14 | #include <common/macros.h> |
89293443 | 15 | #include <sys/types.h> |
d3740619 | 16 | #include <urcu/ref.h> |
434131e4 | 17 | |
d3740619 JR |
18 | /* |
19 | * The public API assumes that trace archive locations are always | |
20 | * provided as "constant". This means that the user of liblttng-ctl never | |
21 | * has to destroy a trace archive location. Hence, users of liblttng-ctl | |
22 | * have no visibility of the reference counting of archive locations. | |
23 | */ | |
434131e4 | 24 | struct lttng_trace_archive_location { |
d3740619 | 25 | struct urcu_ref ref; |
434131e4 JG |
26 | enum lttng_trace_archive_location_type type; |
27 | union { | |
28 | struct { | |
29 | char *absolute_path; | |
30 | } local; | |
31 | struct { | |
32 | char *host; | |
33 | enum lttng_trace_archive_location_relay_protocol_type protocol; | |
34 | struct { | |
35 | uint16_t control, data; | |
36 | } ports; | |
37 | char *relative_path; | |
38 | } relay; | |
39 | } types; | |
40 | }; | |
41 | ||
1e9f1cf8 JG |
42 | struct lttng_trace_archive_location_comm { |
43 | /* A value from enum lttng_trace_archive_location_type */ | |
44 | int8_t type; | |
45 | union { | |
46 | struct { | |
47 | /* Includes the trailing \0. */ | |
48 | uint32_t absolute_path_len; | |
49 | } LTTNG_PACKED local; | |
50 | struct { | |
51 | /* Includes the trailing \0. */ | |
52 | uint32_t hostname_len; | |
53 | /* | |
54 | * A value from | |
55 | * enum lttng_trace_archive_location_relay_protocol_type. | |
56 | */ | |
57 | int8_t protocol; | |
58 | struct { | |
59 | uint16_t control, data; | |
60 | } ports; | |
61 | /* Includes the trailing \0. */ | |
62 | uint32_t relative_path_len; | |
63 | } LTTNG_PACKED relay; | |
64 | } LTTNG_PACKED types; | |
65 | /* | |
66 | * Payload is composed of: | |
67 | * - LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL | |
68 | * - absolute path, including \0 | |
69 | * - LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY | |
70 | * - hostname, including \0 | |
71 | * - relative path, including \0 | |
72 | */ | |
73 | char payload[]; | |
74 | } LTTNG_PACKED; | |
75 | ||
76 | ||
434131e4 JG |
77 | struct lttng_trace_archive_location *lttng_trace_archive_location_local_create( |
78 | const char *path); | |
79 | ||
434131e4 JG |
80 | struct lttng_trace_archive_location *lttng_trace_archive_location_relay_create( |
81 | const char *host, | |
82 | enum lttng_trace_archive_location_relay_protocol_type protocol, | |
83 | uint16_t control_port, uint16_t data_port, | |
84 | const char *relative_path); | |
85 | ||
1e9f1cf8 JG |
86 | ssize_t lttng_trace_archive_location_create_from_buffer( |
87 | const struct lttng_buffer_view *buffer, | |
88 | struct lttng_trace_archive_location **location); | |
89 | ||
1e9f1cf8 JG |
90 | ssize_t lttng_trace_archive_location_serialize( |
91 | const struct lttng_trace_archive_location *location, | |
92 | struct lttng_dynamic_buffer *buffer); | |
93 | ||
d3740619 JR |
94 | void lttng_trace_archive_location_get( |
95 | struct lttng_trace_archive_location *location); | |
96 | ||
d3740619 | 97 | void lttng_trace_archive_location_put( |
434131e4 JG |
98 | struct lttng_trace_archive_location *location); |
99 | ||
100 | #endif /* LTTNG_LOCATION_INTERNAL_H */ |