consumerd: refactor: split read_subbuf into sub-operations
[lttng-tools.git] / src / common / relayd / relayd.h
1 /*
2 * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 */
7
8 #ifndef _RELAYD_H
9 #define _RELAYD_H
10
11 #include <unistd.h>
12 #include <stdbool.h>
13
14 #include <common/sessiond-comm/relayd.h>
15 #include <common/sessiond-comm/sessiond-comm.h>
16 #include <common/trace-chunk.h>
17 #include <common/dynamic-array.h>
18
19 struct relayd_stream_rotation_position {
20 uint64_t stream_id;
21 /*
22 * Packet sequence number of the first packet belonging to the new
23 * "destination" trace chunk to which the stream is rotating.
24 *
25 * Ignored for metadata streams.
26 */
27 uint64_t rotate_at_seq_num;
28 };
29
30 int relayd_connect(struct lttcomm_relayd_sock *sock);
31 int relayd_close(struct lttcomm_relayd_sock *sock);
32 int relayd_create_session(struct lttcomm_relayd_sock *rsock,
33 uint64_t *relayd_session_id,
34 const char *session_name, const char *hostname,
35 const char *base_path, int session_live_timer,
36 unsigned int snapshot, uint64_t sessiond_session_id,
37 const lttng_uuid sessiond_uuid,
38 const uint64_t *current_chunk_id,
39 time_t creation_time, bool session_name_contains_creation_time,
40 char *output_path);
41 int relayd_add_stream(struct lttcomm_relayd_sock *sock, const char *channel_name,
42 const char *domain_name, const char *pathname, uint64_t *stream_id,
43 uint64_t tracefile_size, uint64_t tracefile_count,
44 struct lttng_trace_chunk *trace_chunk);
45 int relayd_streams_sent(struct lttcomm_relayd_sock *rsock);
46 int relayd_send_close_stream(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
47 uint64_t last_net_seq_num);
48 int relayd_version_check(struct lttcomm_relayd_sock *sock);
49 int relayd_start_data(struct lttcomm_relayd_sock *sock);
50 int relayd_send_metadata(struct lttcomm_relayd_sock *sock, size_t len);
51 int relayd_send_data_hdr(struct lttcomm_relayd_sock *sock,
52 struct lttcomm_relayd_data_hdr *hdr, size_t size);
53 int relayd_data_pending(struct lttcomm_relayd_sock *sock, uint64_t stream_id,
54 uint64_t last_net_seq_num);
55 int relayd_quiescent_control(struct lttcomm_relayd_sock *sock,
56 uint64_t metadata_stream_id);
57 int relayd_begin_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id);
58 int relayd_end_data_pending(struct lttcomm_relayd_sock *sock, uint64_t id,
59 unsigned int *is_data_inflight);
60 int relayd_send_index(struct lttcomm_relayd_sock *rsock,
61 struct ctf_packet_index *index, uint64_t relay_stream_id,
62 uint64_t net_seq_num);
63 int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock,
64 uint64_t stream_id, uint64_t version);
65 /* `positions` is an array of `stream_count` relayd_stream_rotation_position. */
66 int relayd_rotate_streams(struct lttcomm_relayd_sock *sock,
67 unsigned int stream_count, const uint64_t *new_chunk_id,
68 const struct relayd_stream_rotation_position *positions);
69 int relayd_create_trace_chunk(struct lttcomm_relayd_sock *sock,
70 struct lttng_trace_chunk *chunk);
71 int relayd_close_trace_chunk(struct lttcomm_relayd_sock *sock,
72 struct lttng_trace_chunk *chunk,
73 char *path);
74 int relayd_trace_chunk_exists(struct lttcomm_relayd_sock *sock,
75 uint64_t chunk_id, bool *chunk_exists);
76 int relayd_get_configuration(struct lttcomm_relayd_sock *sock,
77 uint64_t query_flags,
78 uint64_t *result_flags);
79
80 #endif /* _RELAYD_H */
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