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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> |
02d02e31 | 25 | #include <stdbool.h> |
10a8a223 | 26 | |
74d0b642 | 27 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 28 | |
ffe60014 | 29 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream); |
e9404c27 JG |
30 | int lttng_ustconsumer_sample_snapshot_positions( |
31 | struct lttng_consumer_stream *stream); | |
3bd1e081 | 32 | |
3bd1e081 | 33 | int lttng_ustconsumer_get_produced_snapshot( |
ffe60014 | 34 | struct lttng_consumer_stream *stream, unsigned long *pos); |
10a50311 JD |
35 | int lttng_ustconsumer_get_consumed_snapshot( |
36 | struct lttng_consumer_stream *stream, unsigned long *pos); | |
3bd1e081 MD |
37 | |
38 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
39 | int sock, struct pollfd *consumer_sockpoll); | |
40 | ||
41 | extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan); | |
42 | extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan); | |
b83e03c4 | 43 | extern void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan); |
e316aad5 | 44 | extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream); |
3bd1e081 MD |
45 | extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream); |
46 | ||
d41f73b7 | 47 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, |
e5148e25 | 48 | struct lttng_consumer_local_data *ctx); |
d41f73b7 MD |
49 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream); |
50 | ||
d056b477 MD |
51 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream); |
52 | ||
fc6d7a51 JD |
53 | void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream, |
54 | int producer_active); | |
70190e1c DG |
55 | int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream, |
56 | uint64_t *stream_id); | |
6d805429 | 57 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream); |
6d574024 DG |
58 | void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht); |
59 | void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata); | |
d8ef542d | 60 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream); |
331744e3 | 61 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, |
93ec662e JD |
62 | uint64_t len, uint64_t version, |
63 | struct lttng_consumer_channel *channel, int timer, int wait); | |
331744e3 | 64 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
94d49140 | 65 | struct lttng_consumer_channel *channel, int timer, int wait); |
27e2fa5d JG |
66 | enum sync_metadata_status lttng_ustconsumer_sync_metadata( |
67 | struct lttng_consumer_local_data *ctx, | |
94d49140 | 68 | struct lttng_consumer_stream *metadata); |
84a182ce DG |
69 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, |
70 | int producer); | |
71 | int lttng_ustconsumer_get_current_timestamp( | |
72 | struct lttng_consumer_stream *stream, uint64_t *ts); | |
fb83fe64 JD |
73 | int lttng_ustconsumer_get_sequence_number( |
74 | struct lttng_consumer_stream *stream, uint64_t *seq); | |
f02e1e8a | 75 | |
74d0b642 | 76 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
77 | |
78 | static inline | |
4078b776 | 79 | ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( |
3bd1e081 | 80 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
81 | struct lttng_consumer_stream *stream, unsigned long len, |
82 | unsigned long padding) | |
3bd1e081 MD |
83 | { |
84 | return -ENOSYS; | |
85 | } | |
86 | ||
87 | static inline | |
4078b776 | 88 | ssize_t lttng_ustconsumer_on_read_subbuffer_splice( |
3bd1e081 | 89 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
90 | struct lttng_consumer_stream *uststream, unsigned long len, |
91 | unsigned long padding) | |
3bd1e081 MD |
92 | { |
93 | return -ENOSYS; | |
94 | } | |
95 | ||
96 | static inline | |
ffe60014 | 97 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
98 | { |
99 | return -ENOSYS; | |
100 | } | |
101 | ||
e9404c27 JG |
102 | static inline |
103 | int lttng_ustconsumer_sample_snapshot_positions( | |
104 | struct lttng_consumer_stream *stream) | |
105 | { | |
106 | return -ENOSYS; | |
107 | } | |
108 | ||
3bd1e081 MD |
109 | static inline |
110 | int lttng_ustconsumer_get_produced_snapshot( | |
ffe60014 | 111 | struct lttng_consumer_stream *stream, unsigned long *pos) |
3bd1e081 MD |
112 | { |
113 | return -ENOSYS; | |
114 | } | |
115 | ||
e9404c27 JG |
116 | static inline |
117 | int lttng_ustconsumer_get_consumed_snapshot( | |
118 | struct lttng_consumer_stream *stream, unsigned long *pos) | |
119 | { | |
120 | return -ENOSYS; | |
121 | } | |
122 | ||
3bd1e081 MD |
123 | static inline |
124 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
fbc72522 DG |
125 | int sock, struct pollfd *consumer_sockpoll) |
126 | { | |
127 | return -ENOSYS; | |
128 | } | |
3bd1e081 MD |
129 | |
130 | static inline | |
131 | int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan) | |
132 | { | |
133 | return -ENOSYS; | |
134 | } | |
135 | ||
136 | static inline | |
137 | void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan) | |
138 | { | |
139 | } | |
140 | ||
b83e03c4 MD |
141 | static inline |
142 | void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan) | |
143 | { | |
144 | } | |
145 | ||
3bd1e081 | 146 | static inline |
e316aad5 | 147 | int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
148 | { |
149 | return -ENOSYS; | |
150 | } | |
151 | ||
152 | static inline | |
153 | void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream) | |
154 | { | |
155 | } | |
156 | ||
d41f73b7 MD |
157 | static inline |
158 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, | |
e5148e25 | 159 | struct lttng_consumer_local_data *ctx) |
d41f73b7 MD |
160 | { |
161 | return -ENOSYS; | |
162 | } | |
163 | ||
164 | static inline | |
165 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream) | |
166 | { | |
167 | return -ENOSYS; | |
168 | } | |
169 | ||
d056b477 MD |
170 | static inline |
171 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream) | |
172 | { | |
173 | } | |
174 | ||
f02e1e8a | 175 | static inline |
ffe60014 DG |
176 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
177 | unsigned long *off) | |
f02e1e8a DG |
178 | { |
179 | return -ENOSYS; | |
180 | } | |
ca22feea | 181 | static inline |
6d805429 | 182 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream) |
ca22feea DG |
183 | { |
184 | return -ENOSYS; | |
185 | } | |
ffe60014 DG |
186 | static inline |
187 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream) | |
188 | { | |
189 | return NULL; | |
190 | } | |
d88aee68 | 191 | static inline |
fc6d7a51 JD |
192 | void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream, |
193 | int producer_active) | |
194 | { | |
195 | } | |
196 | static inline | |
6d574024 DG |
197 | void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht) |
198 | { | |
199 | } | |
200 | static inline | |
201 | void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata) | |
d88aee68 DG |
202 | { |
203 | } | |
d8ef542d MD |
204 | static inline |
205 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream) | |
206 | { | |
207 | } | |
ee69440b DG |
208 | static inline |
209 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, | |
93ec662e JD |
210 | uint64_t len, uint64_t version, |
211 | struct lttng_consumer_channel *channel, int timer) | |
ee69440b DG |
212 | { |
213 | return -ENOSYS; | |
214 | } | |
215 | static inline | |
ee69440b | 216 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
84a182ce | 217 | struct lttng_consumer_channel *channel, int timer, int wait) |
ee69440b DG |
218 | { |
219 | return -ENOSYS; | |
220 | } | |
94d49140 | 221 | static inline |
27e2fa5d | 222 | enum sync_metadata_status lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, |
94d49140 JD |
223 | struct lttng_consumer_stream *metadata) |
224 | { | |
27e2fa5d | 225 | return SYNC_METADATA_STATUS_ERROR; |
94d49140 | 226 | } |
84a182ce DG |
227 | static inline |
228 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, | |
229 | int producer) | |
230 | { | |
231 | } | |
232 | static inline | |
233 | int lttng_ustconsumer_get_current_timestamp( | |
234 | struct lttng_consumer_stream *stream, uint64_t *ts) | |
235 | { | |
236 | return -ENOSYS; | |
237 | } | |
a31c9f22 | 238 | static inline |
fb83fe64 JD |
239 | int lttng_ustconsumer_get_sequence_number( |
240 | struct lttng_consumer_stream *stream, uint64_t *seq) | |
241 | { | |
242 | return -ENOSYS; | |
243 | } | |
70190e1c DG |
244 | static inline |
245 | int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream, | |
246 | uint64_t *stream_id) | |
247 | { | |
248 | return -ENOSYS; | |
249 | } | |
74d0b642 | 250 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
251 | |
252 | #endif /* _LTTNG_USTCONSUMER_H */ |