relayd: Implement get_configuration relayd protocol command
[lttng-tools.git] / 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 #include <stdbool.h>
23
24 #include <common/sessiond-comm/relayd.h>
25 #include <common/sessiond-comm/sessiond-comm.h>
26 #include <common/trace-chunk.h>
27 #include <common/dynamic-array.h>
28
29 struct relayd_stream_rotation_position {
30 uint64_t stream_id;
31 /*
32 * Packet sequence number of the first packet belonging to the new
33 * "destination" trace chunk to which the stream is rotating.
34 *
35 * Ignored for metadata streams.
36 */
37 uint64_t rotate_at_seq_num;
38 };
39
40 int relayd_connect(struct lttcomm_relayd_sock *sock);
41 int relayd_close(struct lttcomm_relayd_sock *sock);
42 int relayd_create_session(struct lttcomm_relayd_sock *rsock,
43 uint64_t *relayd_session_id,
44 const char *session_name, const char *hostname,
45 const char *base_path, int session_live_timer,
46 unsigned int snapshot, uint64_t sessiond_session_id,
47 const lttng_uuid sessiond_uuid,
48 const uint64_t *current_chunk_id,
49 time_t creation_time, bool session_name_contains_creation_time,
50 char *output_path);
51 int relayd_add_stream(struct lttcomm_relayd_sock *sock, const char *channel_name,
52 const char *domain_name, const char *pathname, uint64_t *stream_id,
53 uint64_t tracefile_size, uint64_t tracefile_count,
54 struct lttng_trace_chunk *trace_chunk);
55 int relayd_streams_sent(struct lttcomm_relayd_sock *rsock);
56 int relayd_send_close_stream(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
57 uint64_t last_net_seq_num);
58 int relayd_version_check(struct lttcomm_relayd_sock *sock);
59 int relayd_start_data(struct lttcomm_relayd_sock *sock);
60 int relayd_send_metadata(struct lttcomm_relayd_sock *sock, size_t len);
61 int relayd_send_data_hdr(struct lttcomm_relayd_sock *sock,
62 struct lttcomm_relayd_data_hdr *hdr, size_t size);
63 int relayd_data_pending(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
64 uint64_t last_net_seq_num);
65 int relayd_quiescent_control(struct lttcomm_relayd_sock *sock,
66 uint64_t metadata_stream_id);
67 int relayd_begin_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id);
68 int relayd_end_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id,
69 unsigned int *is_data_inflight);
70 int relayd_send_index(struct lttcomm_relayd_sock *rsock,
71 struct ctf_packet_index *index, uint64_t relay_stream_id,
72 uint64_t net_seq_num);
73 int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock,
74 uint64_t stream_id, uint64_t version);
75 /* `positions` is an array of `stream_count` relayd_stream_rotation_position. */
76 int relayd_rotate_streams(struct lttcomm_relayd_sock *sock,
77 unsigned int stream_count, const uint64_t *new_chunk_id,
78 const struct relayd_stream_rotation_position *positions);
79 int relayd_create_trace_chunk(struct lttcomm_relayd_sock *sock,
80 struct lttng_trace_chunk *chunk);
81 int relayd_close_trace_chunk(struct lttcomm_relayd_sock *sock,
82 struct lttng_trace_chunk *chunk,
83 char *path);
84 int relayd_trace_chunk_exists(struct lttcomm_relayd_sock *sock,
85 uint64_t chunk_id, bool *chunk_exists);
86 int relayd_get_configuration(struct lttcomm_relayd_sock *sock,
87 uint64_t query_flags,
88 uint64_t *result_flags);
89
90 #endif /* _RELAYD_H */
This page took 0.047398 seconds and 5 git commands to generate.