2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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.
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.
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.
19 #ifndef _LTTNG_USTCONSUMER_H
20 #define _LTTNG_USTCONSUMER_H
25 #include <common/consumer.h>
27 #ifdef HAVE_LIBLTTNG_UST_CTL
29 int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream
*stream
);
31 int lttng_ustconsumer_get_produced_snapshot(
32 struct lttng_consumer_stream
*stream
, unsigned long *pos
);
34 int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data
*ctx
,
35 int sock
, struct pollfd
*consumer_sockpoll
);
37 extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel
*chan
);
38 extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel
*chan
);
39 extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream
*stream
);
40 extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream
*stream
);
42 int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream
*stream
,
43 struct lttng_consumer_local_data
*ctx
);
44 int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream
*stream
);
46 void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream
*stream
);
48 int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream
*stream
,
50 void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream
*stream
);
51 int lttng_ustconsumer_data_pending(struct lttng_consumer_stream
*stream
);
52 void lttng_ustconsumer_close_metadata(struct lttng_ht
*ht
);
53 void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream
*stream
);
55 #else /* HAVE_LIBLTTNG_UST_CTL */
58 ssize_t
lttng_ustconsumer_on_read_subbuffer_mmap(
59 struct lttng_consumer_local_data
*ctx
,
60 struct lttng_consumer_stream
*stream
, unsigned long len
,
61 unsigned long padding
)
67 ssize_t
lttng_ustconsumer_on_read_subbuffer_splice(
68 struct lttng_consumer_local_data
*ctx
,
69 struct lttng_consumer_stream
*uststream
, unsigned long len
,
70 unsigned long padding
)
76 int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream
*stream
)
82 int lttng_ustconsumer_get_produced_snapshot(
83 struct lttng_consumer_stream
*stream
, unsigned long *pos
)
89 int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data
*ctx
,
90 int sock
, struct pollfd
*consumer_sockpoll
)
96 int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel
*chan
)
102 void lttng_ustconsumer_del_channel(struct lttng_consumer_channel
*chan
)
107 int lttng_ustconsumer_add_stream(struct lttng_consumer_stream
*stream
)
113 void lttng_ustconsumer_del_stream(struct lttng_consumer_stream
*stream
)
118 int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream
*stream
,
119 struct lttng_consumer_local_data
*ctx
)
125 int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream
*stream
)
131 void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream
*stream
)
136 int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream
*stream
,
142 int lttng_ustconsumer_data_pending(struct lttng_consumer_stream
*stream
)
147 void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream
*stream
)
152 void lttng_ustconsumer_close_metadata(struct lttng_ht
*ht
)
156 void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream
*stream
)
159 #endif /* HAVE_LIBLTTNG_UST_CTL */
161 #endif /* _LTTNG_USTCONSUMER_H */