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3bd1e081 MD |
1 | /* |
2 | * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca> | |
3 | * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
d14d33bf AM |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License, version 2 only, | |
7 | * as published by the Free Software Foundation. | |
3bd1e081 MD |
8 | * |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
d14d33bf | 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
3bd1e081 MD |
12 | * GNU General Public License for more details. |
13 | * | |
d14d33bf AM |
14 | * You should have received a copy of the GNU General Public License along |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
3bd1e081 MD |
17 | */ |
18 | ||
19 | #ifndef _LTTNG_USTCONSUMER_H | |
20 | #define _LTTNG_USTCONSUMER_H | |
21 | ||
22 | #include <config.h> | |
3bd1e081 MD |
23 | #include <errno.h> |
24 | ||
10a8a223 DG |
25 | #include <common/consumer.h> |
26 | ||
74d0b642 | 27 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 28 | |
ffe60014 | 29 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream); |
3bd1e081 | 30 | |
3bd1e081 | 31 | int lttng_ustconsumer_get_produced_snapshot( |
ffe60014 | 32 | struct lttng_consumer_stream *stream, unsigned long *pos); |
3bd1e081 MD |
33 | |
34 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
35 | int sock, struct pollfd *consumer_sockpoll); | |
36 | ||
37 | extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan); | |
38 | extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan); | |
e316aad5 | 39 | extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream); |
3bd1e081 MD |
40 | extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream); |
41 | ||
d41f73b7 MD |
42 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, |
43 | struct lttng_consumer_local_data *ctx); | |
44 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream); | |
45 | ||
d056b477 MD |
46 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream); |
47 | ||
ffe60014 DG |
48 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
49 | unsigned long *off); | |
50 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream); | |
6d805429 | 51 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream); |
d88aee68 | 52 | void lttng_ustconsumer_close_metadata(struct lttng_ht *ht); |
d8ef542d | 53 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream); |
331744e3 JD |
54 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, |
55 | uint64_t len, struct lttng_consumer_channel *channel); | |
56 | int lttng_ustconsumer_push_metadata(struct lttng_consumer_channel *metadata, | |
57 | const char *metadata_str, uint64_t target_offset, uint64_t len); | |
58 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, | |
59 | struct lttng_consumer_channel *channel); | |
f02e1e8a | 60 | |
74d0b642 | 61 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
62 | |
63 | static inline | |
4078b776 | 64 | ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( |
3bd1e081 | 65 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
66 | struct lttng_consumer_stream *stream, unsigned long len, |
67 | unsigned long padding) | |
3bd1e081 MD |
68 | { |
69 | return -ENOSYS; | |
70 | } | |
71 | ||
72 | static inline | |
4078b776 | 73 | ssize_t lttng_ustconsumer_on_read_subbuffer_splice( |
3bd1e081 | 74 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
75 | struct lttng_consumer_stream *uststream, unsigned long len, |
76 | unsigned long padding) | |
3bd1e081 MD |
77 | { |
78 | return -ENOSYS; | |
79 | } | |
80 | ||
81 | static inline | |
ffe60014 | 82 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
83 | { |
84 | return -ENOSYS; | |
85 | } | |
86 | ||
87 | static inline | |
88 | int lttng_ustconsumer_get_produced_snapshot( | |
ffe60014 | 89 | struct lttng_consumer_stream *stream, unsigned long *pos) |
3bd1e081 MD |
90 | { |
91 | return -ENOSYS; | |
92 | } | |
93 | ||
94 | static inline | |
95 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
fbc72522 DG |
96 | int sock, struct pollfd *consumer_sockpoll) |
97 | { | |
98 | return -ENOSYS; | |
99 | } | |
3bd1e081 MD |
100 | |
101 | static inline | |
102 | int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan) | |
103 | { | |
104 | return -ENOSYS; | |
105 | } | |
106 | ||
107 | static inline | |
108 | void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan) | |
109 | { | |
110 | } | |
111 | ||
112 | static inline | |
e316aad5 | 113 | int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
114 | { |
115 | return -ENOSYS; | |
116 | } | |
117 | ||
118 | static inline | |
119 | void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream) | |
120 | { | |
121 | } | |
122 | ||
d41f73b7 MD |
123 | static inline |
124 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, | |
125 | struct lttng_consumer_local_data *ctx) | |
126 | { | |
127 | return -ENOSYS; | |
128 | } | |
129 | ||
130 | static inline | |
131 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream) | |
132 | { | |
133 | return -ENOSYS; | |
134 | } | |
135 | ||
d056b477 MD |
136 | static inline |
137 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream) | |
138 | { | |
139 | } | |
140 | ||
f02e1e8a | 141 | static inline |
ffe60014 DG |
142 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
143 | unsigned long *off) | |
f02e1e8a DG |
144 | { |
145 | return -ENOSYS; | |
146 | } | |
ca22feea | 147 | static inline |
6d805429 | 148 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream) |
ca22feea DG |
149 | { |
150 | return -ENOSYS; | |
151 | } | |
ffe60014 DG |
152 | static inline |
153 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream) | |
154 | { | |
155 | return NULL; | |
156 | } | |
d88aee68 DG |
157 | static inline |
158 | void lttng_ustconsumer_close_metadata(struct lttng_ht *ht) | |
159 | { | |
160 | } | |
d8ef542d MD |
161 | static inline |
162 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream) | |
163 | { | |
164 | } | |
74d0b642 | 165 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
166 | |
167 | #endif /* _LTTNG_USTCONSUMER_H */ |