liblttng-ust/lttng-rb-clients.h

   1 #ifndef _LTTNG_RB_CLIENT_H
   2 #define _LTTNG_RB_CLIENT_H
   3
   4 /*
   5  * Copyright (c) 2013 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; only
  10  * version 2.1 of the License.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 struct lttng_ust_client_lib_ring_buffer_client_cb {
  23         struct lttng_ust_lib_ring_buffer_client_cb parent;
  24
  25         int (*timestamp_begin) (struct lttng_ust_lib_ring_buffer *buf,
  26                         struct lttng_ust_shm_handle *handle,
  27                         uint64_t *timestamp_begin);
  28         int (*timestamp_end) (struct lttng_ust_lib_ring_buffer *buf,
  29                         struct lttng_ust_shm_handle *handle,
  30                         uint64_t *timestamp_end);
  31         int (*events_discarded) (struct lttng_ust_lib_ring_buffer *buf,
  32                         struct lttng_ust_shm_handle *handle,
  33                         uint64_t *events_discarded);
  34         int (*content_size) (struct lttng_ust_lib_ring_buffer *buf,
  35                         struct lttng_ust_shm_handle *handle,
  36                         uint64_t *content_size);
  37         int (*packet_size) (struct lttng_ust_lib_ring_buffer *buf,
  38                         struct lttng_ust_shm_handle *handle,
  39                         uint64_t *packet_size);
  40         int (*stream_id) (struct lttng_ust_lib_ring_buffer *buf,
  41                         struct lttng_ust_shm_handle *handle,
  42                         uint64_t *stream_id);
  43         int (*current_timestamp) (struct lttng_ust_lib_ring_buffer *buf,
  44                         struct lttng_ust_shm_handle *handle,
  45                         uint64_t *ts);
  46         int (*sequence_number) (struct lttng_ust_lib_ring_buffer *buf,
  47                 struct lttng_ust_shm_handle *handle, uint64_t *seq);
  48         int (*instance_id) (struct lttng_ust_lib_ring_buffer *buf,
  49                         struct lttng_ust_shm_handle *handle, uint64_t *id);
  50 };
  51
  52 #endif /* _LTTNG_RB_CLIENT_H */