projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 7591bab1 MD |
1 | #ifndef LTTNG_RELAYD_H |
| 2 | #define LTTNG_RELAYD_H | |
| 3 | ||
| b8aa1682 | 4 | /* |
| ab5be9fa MJ |
5 | * Copyright (C) 2012 Julien Desfossez <jdesfossez@efficios.com> |
| 6 | * Copyright (C) 2012 David Goulet <dgoulet@efficios.com> | |
| 7 | * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| b8aa1682 | 8 | * |
| ab5be9fa | 9 | * SPDX-License-Identifier: GPL-2.0-only |
| b8aa1682 | 10 | * |
| b8aa1682 JD |
11 | */ |
| 12 | ||
| 28f23191 JG |
13 | #include <common/compat/poll.hpp> |
| 14 | #include <common/fd-tracker/fd-tracker.hpp> | |
| 15 | #include <common/hashtable/hashtable.hpp> | |
| 16 | ||
| d3e2ba59 | 17 | #include <limits.h> |
| b8aa1682 | 18 | #include <urcu.h> |
| 8bdee6e2 | 19 | #include <urcu/wfcqueue.h> |
| d3e2ba59 | 20 | |
| 23c8ff50 JG |
21 | struct sessiond_trace_chunk_registry; |
| 22 | ||
| b8aa1682 JD |
23 | /* |
| 24 | * Queue used to enqueue relay requests | |
| 25 | */ | |
| 58eb9381 | 26 | struct relay_conn_queue { |
| 8bdee6e2 SM |
27 | struct cds_wfcq_head head; |
| 28 | struct cds_wfcq_tail tail; | |
| 7717e361 | 29 | int32_t futex; |
| b8aa1682 JD |
30 | }; |
| 31 | ||
| a8b66566 JR |
32 | enum relay_group_output_by { |
| 33 | RELAYD_GROUP_OUTPUT_BY_UNKNOWN, | |
| 34 | RELAYD_GROUP_OUTPUT_BY_HOST, | |
| 35 | RELAYD_GROUP_OUTPUT_BY_SESSION, | |
| 36 | }; | |
| 37 | ||
| 2a174661 DG |
38 | /* |
| 39 | * Contains stream indexed by ID. This is important since many commands lookup | |
| 40 | * streams only by ID thus also keeping them in this hash table makes the | |
| 7591bab1 | 41 | * search O(1). |
| 2a174661 | 42 | */ |
| 7591bab1 | 43 | extern struct lttng_ht *sessions_ht; |
| d3e2ba59 | 44 | extern struct lttng_ht *relay_streams_ht; |
| 92c6ca54 | 45 | extern struct lttng_ht *viewer_streams_ht; |
| 23c8ff50 | 46 | extern struct sessiond_trace_chunk_registry *sessiond_trace_chunk_registry; |
| d3e2ba59 | 47 | |
| 7591bab1 | 48 | extern char *opt_output_path; |
| 65931c8b | 49 | extern const char *tracing_group_name; |
| 28f23191 | 50 | extern const char *const config_section_name; |
| a8b66566 | 51 | extern enum relay_group_output_by opt_group_output_by; |
| cd60b05a | 52 | |
| 00e3b7f1 JG |
53 | extern struct fd_tracker *the_fd_tracker; |
| 54 | ||
| 0f4aa1a8 JG |
55 | void lttng_relay_notify_ready(); |
| 56 | int lttng_relay_stop_threads(); | |
| d3e2ba59 | 57 | |
| 0f4aa1a8 JG |
58 | int relayd_init_thread_quit_pipe(); |
| 59 | int relayd_notify_thread_quit_pipe(); | |
| 60 | void relayd_close_thread_quit_pipe(); | |
| 8a00688e MJ |
61 | bool relayd_is_thread_quit_pipe(const int fd); |
| 62 | ||
| 28f23191 | 63 | int create_named_thread_poll_set(struct lttng_poll_event *events, int size, const char *name); |
| 8a00688e | 64 | |
| 7717e361 | 65 | #endif /* LTTNG_RELAYD_H */ |