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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); | |
11544fe5 | 41 | extern void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan); |
e316aad5 | 42 | extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream); |
3bd1e081 MD |
43 | extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream); |
44 | ||
d41f73b7 MD |
45 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, |
46 | struct lttng_consumer_local_data *ctx); | |
47 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream); | |
48 | ||
d056b477 MD |
49 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream); |
50 | ||
ffe60014 DG |
51 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
52 | unsigned long *off); | |
53 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream); | |
70190e1c DG |
54 | int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream, |
55 | uint64_t *stream_id); | |
6d805429 | 56 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream); |
6d574024 DG |
57 | void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht); |
58 | void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata); | |
d8ef542d | 59 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream); |
331744e3 | 60 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, |
5e41ebe1 | 61 | uint64_t len, struct lttng_consumer_channel *channel, |
94d49140 | 62 | int timer, int wait); |
331744e3 | 63 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
94d49140 JD |
64 | struct lttng_consumer_channel *channel, int timer, int wait); |
65 | int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, | |
66 | struct lttng_consumer_stream *metadata); | |
84a182ce DG |
67 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, |
68 | int producer); | |
69 | int lttng_ustconsumer_get_current_timestamp( | |
70 | struct lttng_consumer_stream *stream, uint64_t *ts); | |
f02e1e8a | 71 | |
74d0b642 | 72 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
73 | |
74 | static inline | |
4078b776 | 75 | ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( |
3bd1e081 | 76 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
77 | struct lttng_consumer_stream *stream, unsigned long len, |
78 | unsigned long padding) | |
3bd1e081 MD |
79 | { |
80 | return -ENOSYS; | |
81 | } | |
82 | ||
83 | static inline | |
4078b776 | 84 | ssize_t lttng_ustconsumer_on_read_subbuffer_splice( |
3bd1e081 | 85 | struct lttng_consumer_local_data *ctx, |
1d4dfdef DG |
86 | struct lttng_consumer_stream *uststream, unsigned long len, |
87 | unsigned long padding) | |
3bd1e081 MD |
88 | { |
89 | return -ENOSYS; | |
90 | } | |
91 | ||
92 | static inline | |
ffe60014 | 93 | int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
94 | { |
95 | return -ENOSYS; | |
96 | } | |
97 | ||
98 | static inline | |
99 | int lttng_ustconsumer_get_produced_snapshot( | |
ffe60014 | 100 | struct lttng_consumer_stream *stream, unsigned long *pos) |
3bd1e081 MD |
101 | { |
102 | return -ENOSYS; | |
103 | } | |
104 | ||
105 | static inline | |
106 | int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
fbc72522 DG |
107 | int sock, struct pollfd *consumer_sockpoll) |
108 | { | |
109 | return -ENOSYS; | |
110 | } | |
3bd1e081 MD |
111 | |
112 | static inline | |
113 | int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan) | |
114 | { | |
115 | return -ENOSYS; | |
116 | } | |
117 | ||
118 | static inline | |
119 | void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan) | |
120 | { | |
121 | } | |
122 | ||
11544fe5 MD |
123 | static inline |
124 | void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan) | |
125 | { | |
126 | } | |
127 | ||
3bd1e081 | 128 | static inline |
e316aad5 | 129 | int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream) |
3bd1e081 MD |
130 | { |
131 | return -ENOSYS; | |
132 | } | |
133 | ||
134 | static inline | |
135 | void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream) | |
136 | { | |
137 | } | |
138 | ||
d41f73b7 MD |
139 | static inline |
140 | int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream, | |
141 | struct lttng_consumer_local_data *ctx) | |
142 | { | |
143 | return -ENOSYS; | |
144 | } | |
145 | ||
146 | static inline | |
147 | int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream) | |
148 | { | |
149 | return -ENOSYS; | |
150 | } | |
151 | ||
d056b477 MD |
152 | static inline |
153 | void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream) | |
154 | { | |
155 | } | |
156 | ||
f02e1e8a | 157 | static inline |
ffe60014 DG |
158 | int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream, |
159 | unsigned long *off) | |
f02e1e8a DG |
160 | { |
161 | return -ENOSYS; | |
162 | } | |
ca22feea | 163 | static inline |
6d805429 | 164 | int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream) |
ca22feea DG |
165 | { |
166 | return -ENOSYS; | |
167 | } | |
ffe60014 DG |
168 | static inline |
169 | void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream) | |
170 | { | |
171 | return NULL; | |
172 | } | |
d88aee68 | 173 | static inline |
6d574024 DG |
174 | void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht) |
175 | { | |
176 | } | |
177 | static inline | |
178 | void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata) | |
d88aee68 DG |
179 | { |
180 | } | |
d8ef542d MD |
181 | static inline |
182 | void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream) | |
183 | { | |
184 | } | |
ee69440b DG |
185 | static inline |
186 | int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset, | |
5e41ebe1 MD |
187 | uint64_t len, struct lttng_consumer_channel *channel, |
188 | int timer) | |
ee69440b DG |
189 | { |
190 | return -ENOSYS; | |
191 | } | |
192 | static inline | |
ee69440b | 193 | int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx, |
84a182ce | 194 | struct lttng_consumer_channel *channel, int timer, int wait) |
ee69440b DG |
195 | { |
196 | return -ENOSYS; | |
197 | } | |
94d49140 JD |
198 | static inline |
199 | int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, | |
200 | struct lttng_consumer_stream *metadata) | |
201 | { | |
202 | return -ENOSYS; | |
203 | } | |
84a182ce DG |
204 | static inline |
205 | void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, | |
206 | int producer) | |
207 | { | |
208 | } | |
209 | static inline | |
210 | int lttng_ustconsumer_get_current_timestamp( | |
211 | struct lttng_consumer_stream *stream, uint64_t *ts) | |
212 | { | |
213 | return -ENOSYS; | |
214 | } | |
70190e1c DG |
215 | static inline |
216 | int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream, | |
217 | uint64_t *stream_id) | |
218 | { | |
219 | return -ENOSYS; | |
220 | } | |
74d0b642 | 221 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 MD |
222 | |
223 | #endif /* _LTTNG_USTCONSUMER_H */ |