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b8aa1682 JD |
1 | /* |
2 | * Copyright (C) 2012 - Julien Desfossez <jdesfossez@efficios.com> | |
3 | * David Goulet <dgoulet@efficios.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License, version 2 only, | |
7 | * as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
7717e361 MD |
19 | #ifndef LTTNG_RELAYD_H |
20 | #define LTTNG_RELAYD_H | |
b8aa1682 | 21 | |
d3e2ba59 | 22 | #include <limits.h> |
b8aa1682 | 23 | #include <urcu.h> |
8bdee6e2 | 24 | #include <urcu/wfcqueue.h> |
d3e2ba59 | 25 | |
0f907de1 | 26 | #include <common/hashtable/hashtable.h> |
d3e2ba59 | 27 | |
b8aa1682 JD |
28 | /* |
29 | * Queue used to enqueue relay requests | |
30 | */ | |
58eb9381 | 31 | struct relay_conn_queue { |
8bdee6e2 SM |
32 | struct cds_wfcq_head head; |
33 | struct cds_wfcq_tail tail; | |
7717e361 | 34 | int32_t futex; |
b8aa1682 JD |
35 | }; |
36 | ||
d3e2ba59 JD |
37 | struct relay_local_data { |
38 | struct lttng_ht *sessions_ht; | |
b8aa1682 JD |
39 | }; |
40 | ||
0f907de1 JD |
41 | extern char *opt_output_path; |
42 | ||
2a174661 DG |
43 | /* |
44 | * Contains stream indexed by ID. This is important since many commands lookup | |
45 | * streams only by ID thus also keeping them in this hash table makes the | |
46 | * search O(1) instead of iterating over the ctf_traces_ht of the session. | |
47 | */ | |
d3e2ba59 | 48 | extern struct lttng_ht *relay_streams_ht; |
2a174661 | 49 | |
92c6ca54 | 50 | extern struct lttng_ht *viewer_streams_ht; |
0a6518b0 | 51 | extern struct lttng_ht *indexes_ht; |
d3e2ba59 | 52 | |
65931c8b MD |
53 | extern const char *tracing_group_name; |
54 | ||
cd60b05a JG |
55 | extern const char * const config_section_name; |
56 | ||
bcf4a440 DG |
57 | extern int thread_quit_pipe[2]; |
58 | ||
3fd27398 | 59 | void lttng_relay_notify_ready(void); |
b4aacfdc | 60 | int lttng_relay_stop_threads(void); |
d3e2ba59 | 61 | |
7717e361 | 62 | #endif /* LTTNG_RELAYD_H */ |