src/bin/lttng-sessiond/ust-consumer.h

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License, version 2 only,
   6  * as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef _UST_CONSUMER_H
  19 #define _UST_CONSUMER_H
  20
  21 #include "consumer.h"
  22 #include "ust-app.h"
  23 #include <stdint.h>
  24 #include <common/trace-chunk.h>
  25
  26 int ust_consumer_ask_channel(struct ust_app_session *ua_sess,
  27                 struct ust_app_channel *ua_chan,
  28                 struct consumer_output *consumer,
  29                 struct consumer_socket *socket,
  30                 struct ust_registry_session *registry,
  31                 struct lttng_trace_chunk *trace_chunk);
  32
  33 int ust_consumer_get_channel(struct consumer_socket *socket,
  34                 struct ust_app_channel *ua_chan);
  35
  36 int ust_consumer_destroy_channel(struct consumer_socket *socket,
  37                 struct ust_app_channel *ua_chan);
  38
  39 int ust_consumer_send_stream_to_ust(struct ust_app *app,
  40                 struct ust_app_channel *channel, struct ust_app_stream *stream);
  41
  42 int ust_consumer_send_channel_to_ust(struct ust_app *app,
  43                 struct ust_app_session *ua_sess, struct ust_app_channel *channel);
  44
  45 #if HAVE_LIBLTTNG_UST_CTL
  46 int ust_consumer_metadata_request(struct consumer_socket *sock);
  47 #else
  48 static inline
  49 int ust_consumer_metadata_request(struct consumer_socket *sock)
  50 {
  51         return -ENOSYS;
  52 }
  53 #endif /* HAVE_LIBLTTNG_UST_CTL */
  54
  55 #endif /* _UST_CONSUMER_H */