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