2 * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
11 #include <common/dynamic-array.hpp>
12 #include <common/sessiond-comm/relayd.hpp>
13 #include <common/sessiond-comm/sessiond-comm.hpp>
14 #include <common/trace-chunk.hpp>
19 struct relayd_stream_rotation_position {
22 * Packet sequence number of the first packet belonging to the new
23 * "destination" trace chunk to which the stream is rotating.
25 * Ignored for metadata streams.
27 uint64_t rotate_at_seq_num;
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,
36 const char *base_path,
37 int session_live_timer,
38 unsigned int snapshot,
39 uint64_t sessiond_session_id,
40 const lttng_uuid& sessiond_uuid,
41 const uint64_t *current_chunk_id,
43 bool session_name_contains_creation_time,
45 int relayd_add_stream(struct lttcomm_relayd_sock *sock,
46 const char *channel_name,
47 const char *domain_name,
50 uint64_t tracefile_size,
51 uint64_t tracefile_count,
52 struct lttng_trace_chunk *trace_chunk);
53 int relayd_streams_sent(struct lttcomm_relayd_sock *rsock);
54 int relayd_send_close_stream(struct lttcomm_relayd_sock *sock,
56 uint64_t last_net_seq_num);
57 int relayd_version_check(struct lttcomm_relayd_sock *sock);
58 int relayd_start_data(struct lttcomm_relayd_sock *sock);
59 int relayd_send_metadata(struct lttcomm_relayd_sock *sock, size_t len);
60 int relayd_send_data_hdr(struct lttcomm_relayd_sock *sock,
61 struct lttcomm_relayd_data_hdr *hdr,
63 int relayd_data_pending(struct lttcomm_relayd_sock *sock,
65 uint64_t last_net_seq_num);
66 int relayd_quiescent_control(struct lttcomm_relayd_sock *sock, 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,
70 unsigned int *is_data_inflight);
71 int relayd_send_index(struct lttcomm_relayd_sock *rsock,
72 struct ctf_packet_index *index,
73 uint64_t relay_stream_id,
74 uint64_t net_seq_num);
75 int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock, uint64_t stream_id, uint64_t version);
76 /* `positions` is an array of `stream_count` relayd_stream_rotation_position. */
77 int relayd_rotate_streams(struct lttcomm_relayd_sock *sock,
78 unsigned int stream_count,
79 const uint64_t *new_chunk_id,
80 const struct relayd_stream_rotation_position *positions);
81 int relayd_create_trace_chunk(struct lttcomm_relayd_sock *sock, struct lttng_trace_chunk *chunk);
82 int relayd_close_trace_chunk(struct lttcomm_relayd_sock *sock,
83 struct lttng_trace_chunk *chunk,
85 int relayd_trace_chunk_exists(struct lttcomm_relayd_sock *sock,
88 int relayd_get_configuration(struct lttcomm_relayd_sock *sock,
90 uint64_t *result_flags);
92 #endif /* _RELAYD_H */