2 * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
4 * SPDX-License-Identifier: GPL-2.0-only
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>
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
, 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
,
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
,
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
,
78 uint64_t *result_flags
);
80 #endif /* _RELAYD_H */