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 */