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Fix: ustctl_get_stream_id without UST support
[lttng-tools.git] / src / common / ust-consumer / ust-consumer.h
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CommitLineData
1/*
2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 *
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.
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
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
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.
17 */
18
19#ifndef _LTTNG_USTCONSUMER_H
20#define _LTTNG_USTCONSUMER_H
21
22#include <config.h>
23#include <errno.h>
24
25#include <common/consumer.h>
26
27#ifdef HAVE_LIBLTTNG_UST_CTL
28
29int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
30
31int lttng_ustconsumer_get_produced_snapshot(
32 struct lttng_consumer_stream *stream, unsigned long *pos);
33int lttng_ustconsumer_get_consumed_snapshot(
34 struct lttng_consumer_stream *stream, unsigned long *pos);
35
36int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
37 int sock, struct pollfd *consumer_sockpoll);
38
39extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan);
40extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan);
41extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream);
42extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream);
43
44int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
45 struct lttng_consumer_local_data *ctx);
46int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
47
48void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream);
49
50int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
51 unsigned long *off);
52void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
53int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
54 uint64_t *stream_id);
55int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
56void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht);
57void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata);
58void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream);
59int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
60 uint64_t len, struct lttng_consumer_channel *channel,
61 int timer, int wait);
62int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
63 struct lttng_consumer_channel *channel, int timer, int wait);
64int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
65 struct lttng_consumer_stream *metadata);
66void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
67 int producer);
68int lttng_ustconsumer_get_current_timestamp(
69 struct lttng_consumer_stream *stream, uint64_t *ts);
70
71#else /* HAVE_LIBLTTNG_UST_CTL */
72
73static inline
74ssize_t lttng_ustconsumer_on_read_subbuffer_mmap(
75 struct lttng_consumer_local_data *ctx,
76 struct lttng_consumer_stream *stream, unsigned long len,
77 unsigned long padding)
78{
79 return -ENOSYS;
80}
81
82static inline
83ssize_t lttng_ustconsumer_on_read_subbuffer_splice(
84 struct lttng_consumer_local_data *ctx,
85 struct lttng_consumer_stream *uststream, unsigned long len,
86 unsigned long padding)
87{
88 return -ENOSYS;
89}
90
91static inline
92int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream)
93{
94 return -ENOSYS;
95}
96
97static inline
98int lttng_ustconsumer_get_produced_snapshot(
99 struct lttng_consumer_stream *stream, unsigned long *pos)
100{
101 return -ENOSYS;
102}
103
104static inline
105int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
106 int sock, struct pollfd *consumer_sockpoll)
107{
108 return -ENOSYS;
109}
110
111static inline
112int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan)
113{
114 return -ENOSYS;
115}
116
117static inline
118void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan)
119{
120}
121
122static inline
123int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream)
124{
125 return -ENOSYS;
126}
127
128static inline
129void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream)
130{
131}
132
133static inline
134int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
135 struct lttng_consumer_local_data *ctx)
136{
137 return -ENOSYS;
138}
139
140static inline
141int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream)
142{
143 return -ENOSYS;
144}
145
146static inline
147void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream)
148{
149}
150
151static inline
152int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
153 unsigned long *off)
154{
155 return -ENOSYS;
156}
157static inline
158int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream)
159{
160 return -ENOSYS;
161}
162static inline
163void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream)
164{
165 return NULL;
166}
167static inline
168void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht)
169{
170}
171static inline
172void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata)
173{
174}
175static inline
176void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream)
177{
178}
179static inline
180int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
181 uint64_t len, struct lttng_consumer_channel *channel,
182 int timer)
183{
184 return -ENOSYS;
185}
186static inline
187int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
188 struct lttng_consumer_channel *channel, int timer, int wait)
189{
190 return -ENOSYS;
191}
192static inline
193int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
194 struct lttng_consumer_stream *metadata)
195{
196 return -ENOSYS;
197}
198static inline
199void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
200 int producer)
201{
202}
203static inline
204int lttng_ustconsumer_get_current_timestamp(
205 struct lttng_consumer_stream *stream, uint64_t *ts)
206{
207 return -ENOSYS;
208}
209static inline
210int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
211 uint64_t *stream_id)
212{
213 return -ENOSYS;
214}
215#endif /* HAVE_LIBLTTNG_UST_CTL */
216
217#endif /* _LTTNG_USTCONSUMER_H */
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