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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); |
10a50311 JD |
33 | int lttng_ustconsumer_get_consumed_snapshot( |
34 | struct lttng_consumer_stream *stream, unsigned long *pos); | |
3bd1e081 MD |
35 | |
36 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
37 | int sock, struct pollfd *consumer_sockpoll); | |
38 | ||
39 | extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan); | |
40 | extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan); | |
e316aad5 | 41 | extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream); |
3bd1e081 MD |
42 | extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream); |
43 | ||
d41f73b7 MD |
44 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, |
45 | struct lttng_consumer_local_data *ctx); | |
46 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream); | |
47 | ||
d056b477 MD |
48 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream); |
49 | ||
ffe60014 DG |
50 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
51 | unsigned long *off); | |
52 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream); | |
6d805429 | 53 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream); |
d88aee68 | 54 | void lttng_ustconsumer_close_metadata(struct lttng_ht *ht); |
d8ef542d | 55 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream); |
331744e3 | 56 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, |
5e41ebe1 | 57 | uint64_t len, struct lttng_consumer_channel *channel, |
94d49140 | 58 | int timer, int wait); |
331744e3 | 59 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
94d49140 JD |
60 | struct lttng_consumer_channel *channel, int timer, int wait); |
61 | int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, | |
62 | struct lttng_consumer_stream *metadata); | |
84a182ce DG |
63 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, |
64 | int producer); | |
65 | int lttng_ustconsumer_get_current_timestamp( | |
66 | struct lttng_consumer_stream *stream, uint64_t *ts); | |
f02e1e8a | 67 | |
74d0b642 | 68 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
69 | |
70 | static inline | |
4078b776 | 71 | ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( |
3bd1e081 | 72 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
73 | struct lttng_consumer_stream *stream, unsigned long len, |
74 | unsigned long padding) | |
3bd1e081 MD |
75 | { |
76 | return -ENOSYS; | |
77 | } | |
78 | ||
79 | static inline | |
4078b776 | 80 | ssize_t lttng_ustconsumer_on_read_subbuffer_splice( |
3bd1e081 | 81 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
82 | struct lttng_consumer_stream *uststream, unsigned long len, |
83 | unsigned long padding) | |
3bd1e081 MD |
84 | { |
85 | return -ENOSYS; | |
86 | } | |
87 | ||
88 | static inline | |
ffe60014 | 89 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
90 | { |
91 | return -ENOSYS; | |
92 | } | |
93 | ||
94 | static inline | |
95 | int lttng_ustconsumer_get_produced_snapshot( | |
ffe60014 | 96 | struct lttng_consumer_stream *stream, unsigned long *pos) |
3bd1e081 MD |
97 | { |
98 | return -ENOSYS; | |
99 | } | |
100 | ||
101 | static inline | |
102 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
fbc72522 DG |
103 | int sock, struct pollfd *consumer_sockpoll) |
104 | { | |
105 | return -ENOSYS; | |
106 | } | |
3bd1e081 MD |
107 | |
108 | static inline | |
109 | int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan) | |
110 | { | |
111 | return -ENOSYS; | |
112 | } | |
113 | ||
114 | static inline | |
115 | void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan) | |
116 | { | |
117 | } | |
118 | ||
119 | static inline | |
e316aad5 | 120 | int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
121 | { |
122 | return -ENOSYS; | |
123 | } | |
124 | ||
125 | static inline | |
126 | void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream) | |
127 | { | |
128 | } | |
129 | ||
d41f73b7 MD |
130 | static inline |
131 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, | |
132 | struct lttng_consumer_local_data *ctx) | |
133 | { | |
134 | return -ENOSYS; | |
135 | } | |
136 | ||
137 | static inline | |
138 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream) | |
139 | { | |
140 | return -ENOSYS; | |
141 | } | |
142 | ||
d056b477 MD |
143 | static inline |
144 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream) | |
145 | { | |
146 | } | |
147 | ||
f02e1e8a | 148 | static inline |
ffe60014 DG |
149 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
150 | unsigned long *off) | |
f02e1e8a DG |
151 | { |
152 | return -ENOSYS; | |
153 | } | |
ca22feea | 154 | static inline |
6d805429 | 155 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream) |
ca22feea DG |
156 | { |
157 | return -ENOSYS; | |
158 | } | |
ffe60014 DG |
159 | static inline |
160 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream) | |
161 | { | |
162 | return NULL; | |
163 | } | |
d88aee68 DG |
164 | static inline |
165 | void lttng_ustconsumer_close_metadata(struct lttng_ht *ht) | |
166 | { | |
167 | } | |
d8ef542d MD |
168 | static inline |
169 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream) | |
170 | { | |
171 | } | |
ee69440b DG |
172 | static inline |
173 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, | |
5e41ebe1 MD |
174 | uint64_t len, struct lttng_consumer_channel *channel, |
175 | int timer) | |
ee69440b DG |
176 | { |
177 | return -ENOSYS; | |
178 | } | |
179 | static inline | |
ee69440b | 180 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
84a182ce | 181 | struct lttng_consumer_channel *channel, int timer, int wait) |
ee69440b DG |
182 | { |
183 | return -ENOSYS; | |
184 | } | |
94d49140 JD |
185 | static inline |
186 | int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, | |
187 | struct lttng_consumer_stream *metadata) | |
188 | { | |
189 | return -ENOSYS; | |
190 | } | |
84a182ce DG |
191 | static inline |
192 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, | |
193 | int producer) | |
194 | { | |
195 | } | |
196 | static inline | |
197 | int lttng_ustconsumer_get_current_timestamp( | |
198 | struct lttng_consumer_stream *stream, uint64_t *ts) | |
199 | { | |
200 | return -ENOSYS; | |
201 | } | |
74d0b642 | 202 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
203 | |
204 | #endif /* _LTTNG_USTCONSUMER_H */ |