projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 7591bab1 MD |
1 | #ifndef _VIEWER_SESSION_H |
| 2 | #define _VIEWER_SESSION_H | |
| 3 | ||
| 4 | /* | |
| ab5be9fa MJ |
5 | * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com> |
| 6 | * Copyright (C) 2013 David Goulet <dgoulet@efficios.com> | |
| 7 | * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 7591bab1 | 8 | * |
| ab5be9fa | 9 | * SPDX-License-Identifier: GPL-2.0-only |
| 7591bab1 | 10 | * |
| 7591bab1 MD |
11 | */ |
| 12 | ||
| 13 | #include <limits.h> | |
| 14 | #include <inttypes.h> | |
| 15 | #include <pthread.h> | |
| 16 | #include <urcu/list.h> | |
| 17 | #include <urcu/ref.h> | |
| 18 | ||
| 19 | #include <common/hashtable/hashtable.h> | |
| b66a15d1 | 20 | #include <common/trace-chunk.h> |
| 7591bab1 MD |
21 | |
| 22 | #include "session.h" | |
| 23 | ||
| 24 | struct relay_viewer_session { | |
| 25 | /* | |
| 26 | * Session list. Updates are protected by the session_list_lock. | |
| 27 | * Traversals are protected by RCU. | |
| 28 | * This list limits the design to having the sessions in at most | |
| 29 | * one viewer session. | |
| 30 | */ | |
| 31 | struct cds_list_head session_list; /* RCU list. */ | |
| 32 | pthread_mutex_t session_list_lock; /* Protects list updates. */ | |
| b66a15d1 | 33 | struct lttng_trace_chunk *current_trace_chunk; |
| 7591bab1 MD |
34 | }; |
| 35 | ||
| 36 | struct relay_viewer_session *viewer_session_create(void); | |
| 37 | void viewer_session_destroy(struct relay_viewer_session *vsession); | |
| 38 | void viewer_session_close(struct relay_viewer_session *vsession); | |
| 39 | ||
| dbd6665b JG |
40 | enum lttng_viewer_attach_return_code viewer_session_attach( |
| 41 | struct relay_viewer_session *vsession, | |
| 7591bab1 MD |
42 | struct relay_session *session); |
| 43 | int viewer_session_is_attached(struct relay_viewer_session *vsession, | |
| 44 | struct relay_session *session); | |
| d62023be JD |
45 | void viewer_session_close_one_session(struct relay_viewer_session *vsession, |
| 46 | struct relay_session *session); | |
| b3ab5004 MD |
47 | int viewer_session_set_trace_chunk_copy(struct relay_viewer_session *vsession, |
| 48 | struct lttng_trace_chunk *relay_session_trace_chunk); | |
| 7591bab1 MD |
49 | |
| 50 | #endif /* _VIEWER_SESSION_H */ |