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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 | ||
3bd1e081 MD |
22 | #include <errno.h> |
23 | ||
c8fea79c | 24 | #include <common/consumer/consumer.h> |
10a8a223 | 25 | |
74d0b642 | 26 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 27 | |
ffe60014 | 28 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream); |
e9404c27 JG |
29 | int lttng_ustconsumer_sample_snapshot_positions( |
30 | struct lttng_consumer_stream *stream); | |
3bd1e081 | 31 | |
3bd1e081 | 32 | int lttng_ustconsumer_get_produced_snapshot( |
ffe60014 | 33 | struct lttng_consumer_stream *stream, unsigned long *pos); |
10a50311 JD |
34 | int lttng_ustconsumer_get_consumed_snapshot( |
35 | struct lttng_consumer_stream *stream, unsigned long *pos); | |
3bd1e081 MD |
36 | |
37 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
38 | int sock, struct pollfd *consumer_sockpoll); | |
39 | ||
40 | extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan); | |
41 | extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan); | |
b83e03c4 | 42 | extern void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan); |
e316aad5 | 43 | extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream); |
3bd1e081 MD |
44 | extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream); |
45 | ||
d41f73b7 MD |
46 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, |
47 | struct lttng_consumer_local_data *ctx); | |
48 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream); | |
49 | ||
d056b477 MD |
50 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream); |
51 | ||
ffe60014 DG |
52 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
53 | unsigned long *off); | |
54 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream); | |
fc6d7a51 JD |
55 | void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream, |
56 | int producer_active); | |
70190e1c DG |
57 | int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream, |
58 | uint64_t *stream_id); | |
6d805429 | 59 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream); |
6d574024 DG |
60 | void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht); |
61 | void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata); | |
d8ef542d | 62 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream); |
331744e3 | 63 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, |
93ec662e JD |
64 | uint64_t len, uint64_t version, |
65 | struct lttng_consumer_channel *channel, int timer, int wait); | |
331744e3 | 66 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
94d49140 JD |
67 | struct lttng_consumer_channel *channel, int timer, int wait); |
68 | int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, | |
69 | struct lttng_consumer_stream *metadata); | |
84a182ce DG |
70 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, |
71 | int producer); | |
72 | int lttng_ustconsumer_get_current_timestamp( | |
73 | struct lttng_consumer_stream *stream, uint64_t *ts); | |
fb83fe64 JD |
74 | int lttng_ustconsumer_get_sequence_number( |
75 | struct lttng_consumer_stream *stream, uint64_t *seq); | |
f02e1e8a | 76 | |
74d0b642 | 77 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
78 | |
79 | static inline | |
4078b776 | 80 | ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( |
3bd1e081 | 81 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
82 | struct lttng_consumer_stream *stream, unsigned long len, |
83 | unsigned long padding) | |
3bd1e081 MD |
84 | { |
85 | return -ENOSYS; | |
86 | } | |
87 | ||
88 | static inline | |
4078b776 | 89 | ssize_t lttng_ustconsumer_on_read_subbuffer_splice( |
3bd1e081 | 90 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
91 | struct lttng_consumer_stream *uststream, unsigned long len, |
92 | unsigned long padding) | |
3bd1e081 MD |
93 | { |
94 | return -ENOSYS; | |
95 | } | |
96 | ||
97 | static inline | |
ffe60014 | 98 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
99 | { |
100 | return -ENOSYS; | |
101 | } | |
102 | ||
e9404c27 JG |
103 | static inline |
104 | int lttng_ustconsumer_sample_snapshot_positions( | |
105 | struct lttng_consumer_stream *stream) | |
106 | { | |
107 | return -ENOSYS; | |
108 | } | |
109 | ||
3bd1e081 MD |
110 | static inline |
111 | int lttng_ustconsumer_get_produced_snapshot( | |
ffe60014 | 112 | struct lttng_consumer_stream *stream, unsigned long *pos) |
3bd1e081 MD |
113 | { |
114 | return -ENOSYS; | |
115 | } | |
116 | ||
e9404c27 JG |
117 | static inline |
118 | int lttng_ustconsumer_get_consumed_snapshot( | |
119 | struct lttng_consumer_stream *stream, unsigned long *pos) | |
120 | { | |
121 | return -ENOSYS; | |
122 | } | |
123 | ||
3bd1e081 MD |
124 | static inline |
125 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
fbc72522 DG |
126 | int sock, struct pollfd *consumer_sockpoll) |
127 | { | |
128 | return -ENOSYS; | |
129 | } | |
3bd1e081 MD |
130 | |
131 | static inline | |
132 | int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan) | |
133 | { | |
134 | return -ENOSYS; | |
135 | } | |
136 | ||
137 | static inline | |
138 | void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan) | |
139 | { | |
140 | } | |
141 | ||
b83e03c4 MD |
142 | static inline |
143 | void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan) | |
144 | { | |
145 | } | |
146 | ||
3bd1e081 | 147 | static inline |
e316aad5 | 148 | int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
149 | { |
150 | return -ENOSYS; | |
151 | } | |
152 | ||
153 | static inline | |
154 | void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream) | |
155 | { | |
156 | } | |
157 | ||
d41f73b7 MD |
158 | static inline |
159 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, | |
160 | struct lttng_consumer_local_data *ctx) | |
161 | { | |
162 | return -ENOSYS; | |
163 | } | |
164 | ||
165 | static inline | |
166 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream) | |
167 | { | |
168 | return -ENOSYS; | |
169 | } | |
170 | ||
d056b477 MD |
171 | static inline |
172 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream) | |
173 | { | |
174 | } | |
175 | ||
f02e1e8a | 176 | static inline |
ffe60014 DG |
177 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
178 | unsigned long *off) | |
f02e1e8a DG |
179 | { |
180 | return -ENOSYS; | |
181 | } | |
ca22feea | 182 | static inline |
6d805429 | 183 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream) |
ca22feea DG |
184 | { |
185 | return -ENOSYS; | |
186 | } | |
ffe60014 DG |
187 | static inline |
188 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream) | |
189 | { | |
190 | return NULL; | |
191 | } | |
d88aee68 | 192 | static inline |
fc6d7a51 JD |
193 | void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream, |
194 | int producer_active) | |
195 | { | |
196 | } | |
197 | static inline | |
6d574024 DG |
198 | void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht) |
199 | { | |
200 | } | |
201 | static inline | |
202 | void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata) | |
d88aee68 DG |
203 | { |
204 | } | |
d8ef542d MD |
205 | static inline |
206 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream) | |
207 | { | |
208 | } | |
ee69440b DG |
209 | static inline |
210 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, | |
93ec662e JD |
211 | uint64_t len, uint64_t version, |
212 | struct lttng_consumer_channel *channel, int timer) | |
ee69440b DG |
213 | { |
214 | return -ENOSYS; | |
215 | } | |
216 | static inline | |
ee69440b | 217 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
84a182ce | 218 | struct lttng_consumer_channel *channel, int timer, int wait) |
ee69440b DG |
219 | { |
220 | return -ENOSYS; | |
221 | } | |
94d49140 JD |
222 | static inline |
223 | int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, | |
224 | struct lttng_consumer_stream *metadata) | |
225 | { | |
226 | return -ENOSYS; | |
227 | } | |
84a182ce DG |
228 | static inline |
229 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, | |
230 | int producer) | |
231 | { | |
232 | } | |
233 | static inline | |
234 | int lttng_ustconsumer_get_current_timestamp( | |
235 | struct lttng_consumer_stream *stream, uint64_t *ts) | |
236 | { | |
237 | return -ENOSYS; | |
238 | } | |
a31c9f22 | 239 | static inline |
fb83fe64 JD |
240 | int lttng_ustconsumer_get_sequence_number( |
241 | struct lttng_consumer_stream *stream, uint64_t *seq) | |
242 | { | |
243 | return -ENOSYS; | |
244 | } | |
70190e1c DG |
245 | static inline |
246 | int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream, | |
247 | uint64_t *stream_id) | |
248 | { | |
249 | return -ENOSYS; | |
250 | } | |
74d0b642 | 251 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
252 | |
253 | #endif /* _LTTNG_USTCONSUMER_H */ |