src/common/relayd/relayd.h

   1 /*
   2  * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License, version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program; if not, write to the Free Software Foundation, Inc., 51
  15  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef _RELAYD_H
  19 #define _RELAYD_H
  20
  21 #include <unistd.h>
  22
  23 #include <common/sessiond-comm/relayd.h>
  24 #include <common/sessiond-comm/sessiond-comm.h>
  25 #include <common/trace-chunk.h>
  26
  27 int relayd_connect(struct lttcomm_relayd_sock *sock);
  28 int relayd_close(struct lttcomm_relayd_sock *sock);
  29 int relayd_create_session(struct lttcomm_relayd_sock *rsock,
  30                 uint64_t *relayd_session_id,
  31                 const char *session_name, const char *hostname,
  32                 int session_live_timer,
  33                 unsigned int snapshot, uint64_t sessiond_session_id,
  34                 const lttng_uuid sessiond_uuid,
  35                 const uint64_t *current_chunk_id);
  36 int relayd_add_stream(struct lttcomm_relayd_sock *sock, const char *channel_name,
  37                 const char *pathname, uint64_t *stream_id,
  38                 uint64_t tracefile_size, uint64_t tracefile_count,
  39                 struct lttng_trace_chunk *trace_chunk);
  40 int relayd_streams_sent(struct lttcomm_relayd_sock *rsock);
  41 int relayd_send_close_stream(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
  42                 uint64_t last_net_seq_num);
  43 int relayd_version_check(struct lttcomm_relayd_sock *sock);
  44 int relayd_start_data(struct lttcomm_relayd_sock *sock);
  45 int relayd_send_metadata(struct lttcomm_relayd_sock *sock, size_t len);
  46 int relayd_send_data_hdr(struct lttcomm_relayd_sock *sock,
  47                 struct lttcomm_relayd_data_hdr *hdr, size_t size);
  48 int relayd_data_pending(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
  49                 uint64_t last_net_seq_num);
  50 int relayd_quiescent_control(struct lttcomm_relayd_sock *sock,
  51                 uint64_t metadata_stream_id);
  52 int relayd_begin_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id);
  53 int relayd_end_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id,
  54                 unsigned int *is_data_inflight);
  55 int relayd_send_index(struct lttcomm_relayd_sock *rsock,
  56                 struct ctf_packet_index *index, uint64_t relay_stream_id,
  57                 uint64_t net_seq_num);
  58 int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock,
  59                 uint64_t stream_id, uint64_t version);
  60 int relayd_rotate_stream(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
  61                 uint64_t new_chunk_id, uint64_t seq_num);
  62 int relayd_create_trace_chunk(struct lttcomm_relayd_sock *sock,
  63                 struct lttng_trace_chunk *chunk);
  64 int relayd_close_trace_chunk(struct lttcomm_relayd_sock *sock,
  65                 struct lttng_trace_chunk *chunk);
  66
  67 #endif /* _RELAYD_H */