| 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 | |
| 22 | #define DEFAULT_HOME_DIR "/tmp" |
| 23 | #define DEFAULT_UST_SOCK_DIR "/tmp/ust-app-socks" |
| 24 | #define DEFAULT_GLOBAL_APPS_PIPE "/tmp/ust-app-socks/global" |
| 25 | |
| 26 | extern const char default_home_dir[], |
| 27 | default_tracing_group[], |
| 28 | default_ust_sock_dir[], |
| 29 | default_global_apps_pipe[]; |
| 30 | |
| 31 | /* LTTng trace representation */ |
| 32 | struct ltt_lttng_trace { |
| 33 | struct cds_list_head list; |
| 34 | char trace_name[NAME_MAX]; |
| 35 | struct cds_list_head marker_list; |
| 36 | }; |
| 37 | |
| 38 | /* UST trace representation */ |
| 39 | struct ltt_ust_trace { |
| 40 | struct cds_list_head list; |
| 41 | int shmid; |
| 42 | char trace_name[NAME_MAX]; |
| 43 | struct cds_list_head markers; |
| 44 | }; |
| 45 | |
| 46 | struct ltt_ust_marker { |
| 47 | struct cds_list_head list; |
| 48 | char *name; |
| 49 | char *channel; |
| 50 | }; |
| 51 | |
| 52 | /* Global session list */ |
| 53 | struct ltt_session_list { |
| 54 | struct cds_list_head head; |
| 55 | }; |
| 56 | |
| 57 | /* Traceable application list */ |
| 58 | struct ltt_traceable_app_list { |
| 59 | struct cds_list_head head; |
| 60 | }; |
| 61 | |
| 62 | /* |
| 63 | * Registered traceable applications. Libust registers |
| 64 | * to the session daemon and a linked list is kept |
| 65 | * of all running traceable app. |
| 66 | */ |
| 67 | struct ltt_traceable_app { |
| 68 | struct cds_list_head list; |
| 69 | pid_t pid; |
| 70 | uid_t uid; /* User ID that owns the apps */ |
| 71 | }; |
| 72 | |
| 73 | /* |
| 74 | * ltt-session - This data structure contains information needed |
| 75 | * to identify a tracing session for both LTTng and UST. |
| 76 | */ |
| 77 | struct ltt_session { |
| 78 | char *name; |
| 79 | struct cds_list_head list; |
| 80 | uuid_t uuid; |
| 81 | struct cds_list_head ust_traces; |
| 82 | struct cds_list_head lttng_traces; |
| 83 | pid_t ust_consumer; |
| 84 | pid_t lttng_consumer; |
| 85 | }; |
| 86 | |
| 87 | #endif /* _LTT_SESSIOND_H */ |