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d3e2ba59 JD |
1 | /* |
2 | * Copyright (C) 2013 - 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 it | |
6 | * under the terms of the GNU General Public License, version 2 only, as | |
7 | * 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 with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
16 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
19 | #ifndef _CTF_TRACE_H | |
20 | #define _CTF_TRACE_H | |
21 | ||
22 | #include <inttypes.h> | |
23 | ||
24 | #include <common/hashtable/hashtable.h> | |
25 | ||
eb702af5 | 26 | #include "session.h" |
e85cdca9 | 27 | #include "stream.h" |
d3e2ba59 JD |
28 | |
29 | struct ctf_trace { | |
30 | int refcount; | |
eb702af5 | 31 | unsigned int invalid_flag:1; |
d3e2ba59 JD |
32 | uint64_t id; |
33 | uint64_t metadata_received; | |
34 | uint64_t metadata_sent; | |
35 | struct relay_stream *metadata_stream; | |
157df586 | 36 | struct relay_viewer_stream *viewer_metadata_stream; |
eb702af5 DG |
37 | /* Node indexed by stream path name in the corresponding session. */ |
38 | struct lttng_ht_node_str node; | |
39 | ||
40 | /* Relay stream associated with this ctf trace. */ | |
41 | struct cds_list_head stream_list; | |
d3e2ba59 JD |
42 | }; |
43 | ||
eb702af5 DG |
44 | static inline void ctf_trace_get_ref(struct ctf_trace *trace) |
45 | { | |
46 | uatomic_inc(&trace->refcount); | |
47 | } | |
48 | ||
49 | static inline void ctf_trace_put_ref(struct ctf_trace *trace) | |
50 | { | |
51 | uatomic_add(&trace->refcount, -1); | |
52 | } | |
53 | ||
54 | void ctf_trace_assign(struct relay_stream *stream); | |
55 | struct ctf_trace *ctf_trace_create(char *path_name); | |
56 | void ctf_trace_destroy(struct ctf_trace *obj); | |
57 | void ctf_trace_try_destroy(struct relay_session *session, | |
58 | struct ctf_trace *ctf_trace); | |
59 | struct ctf_trace *ctf_trace_find_by_path(struct lttng_ht *ht, | |
60 | char *path_name); | |
61 | void ctf_trace_add(struct lttng_ht *ht, struct ctf_trace *trace); | |
62 | void ctf_trace_delete(struct lttng_ht *ht, struct ctf_trace *trace); | |
d3e2ba59 JD |
63 | |
64 | #endif /* _CTF_TRACE_H */ |