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00e2e675 DG |
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> | |
c35f9726 | 22 | #include <stdbool.h> |
00e2e675 DG |
23 | |
24 | #include <common/sessiond-comm/relayd.h> | |
25 | #include <common/sessiond-comm/sessiond-comm.h> | |
d2956687 | 26 | #include <common/trace-chunk.h> |
c35f9726 JG |
27 | #include <common/dynamic-array.h> |
28 | ||
29 | struct relayd_stream_rotation_position { | |
30 | uint64_t stream_id; | |
31 | /* | |
32 | * 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 | }; | |
00e2e675 | 39 | |
6151a90f JD |
40 | int relayd_connect(struct lttcomm_relayd_sock *sock); |
41 | int relayd_close(struct lttcomm_relayd_sock *sock); | |
1e791a74 JG |
42 | int relayd_create_session(struct lttcomm_relayd_sock *rsock, |
43 | uint64_t *relayd_session_id, | |
44 | const char *session_name, const char *hostname, | |
6fa5fe7c | 45 | const char *base_path, int session_live_timer, |
fb9a95c4 | 46 | unsigned int snapshot, uint64_t sessiond_session_id, |
1e791a74 | 47 | const lttng_uuid sessiond_uuid, |
db1da059 | 48 | const uint64_t *current_chunk_id, |
ecd1a12f MD |
49 | time_t creation_time, bool session_name_contains_creation_time, |
50 | char *output_path); | |
6151a90f | 51 | int relayd_add_stream(struct lttcomm_relayd_sock *sock, const char *channel_name, |
0f907de1 | 52 | const char *pathname, uint64_t *stream_id, |
0b50e4b3 | 53 | uint64_t tracefile_size, uint64_t tracefile_count, |
d2956687 | 54 | struct lttng_trace_chunk *trace_chunk); |
a4baae1b | 55 | int relayd_streams_sent(struct lttcomm_relayd_sock *rsock); |
6151a90f | 56 | int relayd_send_close_stream(struct lttcomm_relayd_sock *sock, uint64_t stream_id, |
173af62f | 57 | uint64_t last_net_seq_num); |
6151a90f JD |
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, | |
00e2e675 | 62 | struct lttcomm_relayd_data_hdr *hdr, size_t size); |
6151a90f | 63 | int relayd_data_pending(struct lttcomm_relayd_sock *sock, uint64_t stream_id, |
c8f59ee5 | 64 | uint64_t last_net_seq_num); |
6151a90f | 65 | int relayd_quiescent_control(struct lttcomm_relayd_sock *sock, |
ad7051c0 | 66 | uint64_t metadata_stream_id); |
6151a90f JD |
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, | |
f7079f67 | 69 | unsigned int *is_data_inflight); |
1c20f0e2 | 70 | int relayd_send_index(struct lttcomm_relayd_sock *rsock, |
50adc264 | 71 | struct ctf_packet_index *index, uint64_t relay_stream_id, |
1c20f0e2 | 72 | uint64_t net_seq_num); |
93ec662e JD |
73 | int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock, |
74 | uint64_t stream_id, uint64_t version); | |
c35f9726 JG |
75 | /* `positions` is an array of `stream_count` relayd_stream_rotation_position. */ |
76 | int relayd_rotate_streams(struct lttcomm_relayd_sock *sock, | |
ebb29c10 | 77 | unsigned int stream_count, const uint64_t *new_chunk_id, |
c35f9726 | 78 | const struct relayd_stream_rotation_position *positions); |
e5add6d0 JG |
79 | int relayd_create_trace_chunk(struct lttcomm_relayd_sock *sock, |
80 | struct lttng_trace_chunk *chunk); | |
bbc4768c | 81 | int relayd_close_trace_chunk(struct lttcomm_relayd_sock *sock, |
ecd1a12f MD |
82 | struct lttng_trace_chunk *chunk, |
83 | char *path); | |
c35f9726 JG |
84 | int relayd_trace_chunk_exists(struct lttcomm_relayd_sock *sock, |
85 | uint64_t chunk_id, bool *chunk_exists); | |
00e2e675 DG |
86 | |
87 | #endif /* _RELAYD_H */ |