projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| fac6795d DG |
1 | /* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
| 2 | * | |
| 3 | * This program is free software; you can redistribute it and/or | |
| 4 | * modify it under the terms of the GNU General Public License | |
| 5 | * as published by the Free Software Foundation; either version 2 | |
| 6 | * of the License, or (at your option) any later version. | |
| 7 | * | |
| 8 | * This program is distributed in the hope that it will be useful, | |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | * GNU General Public License for more details. | |
| 12 | * | |
| 13 | * You should have received a copy of the GNU General Public License | |
| 14 | * along with this program; if not, write to the Free Software | |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 16 | * | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef _LTT_SESSIOND_H | |
| 20 | #define _LTT_SESSIOND_H | |
| 21 | ||
| 686204ab MD |
22 | #define DEFAULT_HOME_DIR "/tmp" |
| 23 | #define DEFAULT_TRACING_GROUP "/tracing" | |
| 24 | #define DEFAULT_UST_SOCK_DIR "/tmp/ust-app-socks" | |
| 25 | #define DEFAULT_GLOBAL_APPS_PIPE "/tmp/ust-app-socks/global" | |
| 26 | ||
| 27 | extern const char default_home_dir[], | |
| 28 | default_tracing_group[], | |
| 29 | default_ust_sock_dir[], | |
| 30 | default_global_apps_pipe[]; | |
| fac6795d DG |
31 | |
| 32 | /* LTTng trace representation */ | |
| 33 | struct ltt_lttng_trace { | |
| 34 | struct cds_list_head list; | |
| 35 | char trace_name[NAME_MAX]; | |
| 36 | struct cds_list_head marker_list; | |
| 37 | }; | |
| 38 | ||
| 39 | /* UST trace representation */ | |
| 40 | struct ltt_ust_trace { | |
| 41 | struct cds_list_head list; | |
| 42 | int shmid; | |
| 43 | char trace_name[NAME_MAX]; | |
| 44 | struct cds_list_head markers; | |
| 45 | }; | |
| 46 | ||
| 47 | struct ltt_ust_marker { | |
| 48 | struct cds_list_head list; | |
| 49 | char *name; | |
| 50 | char *channel; | |
| 51 | }; | |
| 52 | ||
| 53 | /* Global session list */ | |
| 54 | struct ltt_session_list { | |
| 55 | struct cds_list_head head; | |
| 56 | }; | |
| 57 | ||
| 58 | /* Traceable application list */ | |
| 59 | struct ltt_traceable_app_list { | |
| 60 | struct cds_list_head head; | |
| 61 | }; | |
| 62 | ||
| 63 | /* | |
| 64 | * Registered traceable applications. Libust registers | |
| 65 | * to the session daemon and a linked list is kept | |
| 66 | * of all running traceable app. | |
| 67 | */ | |
| 68 | struct ltt_traceable_app { | |
| 69 | struct cds_list_head list; | |
| 70 | pid_t pid; | |
| 71 | uid_t uid; /* User ID that owns the apps */ | |
| 72 | }; | |
| 73 | ||
| 74 | /* | |
| 75 | * ltt-session - This data structure contains information needed | |
| 76 | * to identify a tracing session for both LTTng and UST. | |
| 77 | */ | |
| 78 | struct ltt_session { | |
| 79 | char *name; | |
| 80 | struct cds_list_head list; | |
| 81 | uuid_t uuid; | |
| 82 | struct cds_list_head ust_traces; | |
| 83 | struct cds_list_head lttng_traces; | |
| 84 | pid_t ust_consumer; | |
| 85 | pid_t lttng_consumer; | |
| 86 | }; | |
| 87 | ||
| 88 | #endif /* _LTT_SESSIOND_H */ |