common: document why spawn_viewer() is public
[lttng-tools.git] / src / bin / lttng-sessiond / ust-consumer.h
1 /*
2 * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 */
7
8 #ifndef _UST_CONSUMER_H
9 #define _UST_CONSUMER_H
10
11 #include "consumer.h"
12 #include "ust-app.h"
13 #include <stdint.h>
14 #include <common/trace-chunk.h>
15
16 int ust_consumer_ask_channel(struct ust_app_session *ua_sess,
17 struct ust_app_channel *ua_chan,
18 struct consumer_output *consumer,
19 struct consumer_socket *socket,
20 struct ust_registry_session *registry,
21 struct lttng_trace_chunk *trace_chunk);
22
23 int ust_consumer_get_channel(struct consumer_socket *socket,
24 struct ust_app_channel *ua_chan);
25
26 int ust_consumer_destroy_channel(struct consumer_socket *socket,
27 struct ust_app_channel *ua_chan);
28
29 int ust_consumer_send_stream_to_ust(struct ust_app *app,
30 struct ust_app_channel *channel, struct ust_app_stream *stream);
31
32 int ust_consumer_send_channel_to_ust(struct ust_app *app,
33 struct ust_app_session *ua_sess, struct ust_app_channel *channel);
34
35 #if HAVE_LIBLTTNG_UST_CTL
36 int ust_consumer_metadata_request(struct consumer_socket *sock);
37 #else
38 static inline
39 int ust_consumer_metadata_request(struct consumer_socket *sock)
40 {
41 return -ENOSYS;
42 }
43 #endif /* HAVE_LIBLTTNG_UST_CTL */
44
45 #endif /* _UST_CONSUMER_H */
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