| 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 | |
| 26 | #include "session.h" |
| 27 | #include "stream.h" |
| 28 | |
| 29 | struct ctf_trace { |
| 30 | int refcount; |
| 31 | unsigned int invalid_flag:1; |
| 32 | uint64_t id; |
| 33 | uint64_t metadata_received; |
| 34 | uint64_t metadata_sent; |
| 35 | struct relay_stream *metadata_stream; |
| 36 | struct relay_viewer_stream *viewer_metadata_stream; |
| 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; |
| 42 | }; |
| 43 | |
| 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); |
| 63 | |
| 64 | #endif /* _CTF_TRACE_H */ |