projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 7591bab1 MD |
1 | #ifndef LTTNG_RELAYD_H |
| 2 | #define LTTNG_RELAYD_H | |
| 3 | ||
| b8aa1682 JD |
4 | /* |
| 5 | * Copyright (C) 2012 - Julien Desfossez <jdesfossez@efficios.com> | |
| 6 | * David Goulet <dgoulet@efficios.com> | |
| 7591bab1 | 7 | * 2015 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| b8aa1682 JD |
8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License, version 2 only, | |
| 11 | * as published by the Free Software Foundation. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
| 14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 16 | * more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License along | |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 21 | */ | |
| 22 | ||
| d3e2ba59 | 23 | #include <limits.h> |
| b8aa1682 | 24 | #include <urcu.h> |
| 8bdee6e2 | 25 | #include <urcu/wfcqueue.h> |
| d3e2ba59 | 26 | |
| 0f907de1 | 27 | #include <common/hashtable/hashtable.h> |
| d3e2ba59 | 28 | |
| 23c8ff50 JG |
29 | struct sessiond_trace_chunk_registry; |
| 30 | ||
| b8aa1682 JD |
31 | /* |
| 32 | * Queue used to enqueue relay requests | |
| 33 | */ | |
| 58eb9381 | 34 | struct relay_conn_queue { |
| 8bdee6e2 SM |
35 | struct cds_wfcq_head head; |
| 36 | struct cds_wfcq_tail tail; | |
| 7717e361 | 37 | int32_t futex; |
| b8aa1682 JD |
38 | }; |
| 39 | ||
| a8b66566 JR |
40 | enum relay_group_output_by { |
| 41 | RELAYD_GROUP_OUTPUT_BY_UNKNOWN, | |
| 42 | RELAYD_GROUP_OUTPUT_BY_HOST, | |
| 43 | RELAYD_GROUP_OUTPUT_BY_SESSION, | |
| 44 | }; | |
| 45 | ||
| 2a174661 DG |
46 | /* |
| 47 | * Contains stream indexed by ID. This is important since many commands lookup | |
| 48 | * streams only by ID thus also keeping them in this hash table makes the | |
| 7591bab1 | 49 | * search O(1). |
| 2a174661 | 50 | */ |
| 7591bab1 | 51 | extern struct lttng_ht *sessions_ht; |
| d3e2ba59 | 52 | extern struct lttng_ht *relay_streams_ht; |
| 92c6ca54 | 53 | extern struct lttng_ht *viewer_streams_ht; |
| 23c8ff50 | 54 | extern struct sessiond_trace_chunk_registry *sessiond_trace_chunk_registry; |
| d3e2ba59 | 55 | |
| 7591bab1 | 56 | extern char *opt_output_path; |
| 65931c8b | 57 | extern const char *tracing_group_name; |
| cd60b05a | 58 | extern const char * const config_section_name; |
| a8b66566 | 59 | extern enum relay_group_output_by opt_group_output_by; |
| cd60b05a | 60 | |
| bcf4a440 DG |
61 | extern int thread_quit_pipe[2]; |
| 62 | ||
| 3fd27398 | 63 | void lttng_relay_notify_ready(void); |
| b4aacfdc | 64 | int lttng_relay_stop_threads(void); |
| d3e2ba59 | 65 | |
| 7717e361 | 66 | #endif /* LTTNG_RELAYD_H */ |