projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 8abe313a JG |
1 | /* |
| 2 | * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify it | |
| 5 | * under the terms of the GNU General Public License, version 2 only, as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | * | |
| 8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 11 | * more details. | |
| 12 | * | |
| 13 | * You should have received a copy of the GNU General Public License along with | |
| 14 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
| 15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef NOTIFICATION_THREAD_INTERNAL_H | |
| 19 | #define NOTIFICATION_THREAD_INTERNAL_H | |
| 20 | ||
| 21 | #include <lttng/ref-internal.h> | |
| 22 | #include <urcu/rculfhash.h> | |
| 23 | #include <unistd.h> | |
| 24 | ||
| 25 | struct channel_key { | |
| 26 | uint64_t key; | |
| 27 | enum lttng_domain_type domain; | |
| 28 | }; | |
| 29 | ||
| 30 | struct session_info { | |
| 31 | struct lttng_ref ref; | |
| 32 | char *name; | |
| 33 | uid_t uid; | |
| 34 | gid_t gid; | |
| 35 | /* | |
| 36 | * Back-ref (weak) to all channels in this session. | |
| 37 | * The hashtable's key is a hash of (struct channel_key) and | |
| 38 | * the value is of type (struct channel_info *). | |
| 39 | */ | |
| 40 | struct cds_lfht *channel_infos_ht; | |
| 41 | /* Node in the notification thread state's sessions_ht. */ | |
| 42 | struct cds_lfht_node sessions_ht_node; | |
| e8360425 | 43 | uint64_t consumed_data_size; |
| 8abe313a JG |
44 | }; |
| 45 | ||
| 46 | struct channel_info { | |
| 47 | struct channel_key key; | |
| 48 | char *name; | |
| 49 | uint64_t capacity; | |
| 50 | /* | |
| 51 | * A channel info holds a reference (lttng_ref) on session_info. | |
| 52 | * session_info, in return, holds a weak reference to the channel. | |
| 53 | */ | |
| 54 | struct session_info *session_info; | |
| 55 | /* Node in the notification thread state's channels_ht. */ | |
| 56 | struct cds_lfht_node channels_ht_node; | |
| 57 | /* Node in the session_info's channels_ht. */ | |
| 58 | struct cds_lfht_node session_info_channels_ht_node; | |
| 59 | }; | |
| 60 | ||
| 61 | #endif /* NOTIFICATION_THREAD_INTERNAL_H */ |