2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; only version 2
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef _LTT_UST_APP_H
20 #define _LTT_UST_APP_H
23 #include <urcu/list.h>
25 #include "trace-ust.h"
27 #define UST_APP_EVENT_LIST_SIZE 32
30 * Application registration data structure.
32 struct ust_register_msg
{
43 * Global applications HT used by the session daemon.
45 struct cds_lfht
*ust_app_ht
;
47 struct cds_lfht
*ust_app_sock_key_map
;
52 struct cds_lfht_node node
;
55 struct ust_app_event
{
58 struct lttng_ust_object_data
*obj
;
59 struct lttng_ust_event attr
;
60 char name
[LTTNG_UST_SYM_NAME_LEN
];
62 struct cds_lfht_node node
;
65 struct ust_app_channel
{
68 char name
[LTTNG_UST_SYM_NAME_LEN
];
69 struct lttng_ust_channel attr
;
70 struct lttng_ust_object_data
*obj
;
71 struct ltt_ust_stream_list streams
;
73 struct cds_lfht
*events
;
74 struct cds_lfht_node node
;
77 struct ust_app_session
{
79 int handle
; /* Used has unique identifier */
81 struct ltt_ust_metadata
*metadata
;
82 struct lttng_ust_object_data
*obj
;
83 struct cds_lfht
*channels
; /* Registered channels */
84 struct cds_lfht_node node
;
88 * Registered traceable applications. Libust registers to the session daemon
89 * and a linked list is kept of all running traceable app.
93 uid_t uid
; /* User ID that owns the apps */
94 gid_t gid
; /* Group ID that owns the apps */
95 uint32_t v_major
; /* Verion major number */
96 uint32_t v_minor
; /* Verion minor number */
97 char name
[17]; /* Process name (short) */
98 struct cds_lfht
*sessions
;
99 struct cds_lfht_node node
;
100 struct ust_app_key key
;
104 #ifdef HAVE_LIBLTTNG_UST_CTL
106 int ust_app_register(struct ust_register_msg
*msg
, int sock
);
107 void ust_app_unregister(int sock
);
108 int ust_app_add_channel_all(struct ltt_ust_session
*usess
,
109 struct ltt_ust_channel
*uchan
);
110 int ust_app_add_event_all(struct ltt_ust_session
*usess
,
111 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
);
112 unsigned long ust_app_list_count(void);
113 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
);
114 int ust_app_start_trace_all(struct ltt_ust_session
*usess
);
115 int ust_app_list_events(struct lttng_event
**events
);
116 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
);
118 void ust_app_clean_list(void);
119 void ust_app_ht_alloc(void);
120 struct cds_lfht
*ust_app_get_ht(void);
121 struct ust_app
*ust_app_find_by_pid(pid_t pid
);
123 #else /* HAVE_LIBLTTNG_UST_CTL */
126 int ust_app_start_trace(struct ltt_ust_session
*usess
, struct ust_app
*app
)
131 int ust_app_start_trace_all(struct ltt_ust_session
*usess
)
136 int ust_app_list_events(struct lttng_event
**events
)
141 int ust_app_register(struct ust_register_msg
*msg
, int sock
)
146 void ust_app_unregister(int sock
)
150 unsigned int ust_app_list_count(void)
155 void ust_app_lock_list(void)
159 void ust_app_unlock_list(void)
163 void ust_app_clean_list(void)
167 struct ust_app_list
*ust_app_get_list(void)
172 struct ust_app
*ust_app_get_by_pid(pid_t pid
)
177 int ust_app_add_channel_all(struct ltt_ust_session
*usess
,
178 struct ltt_ust_channel
*uchan
)
183 int ust_app_add_event_all(struct ltt_ust_session
*usess
,
184 struct ltt_ust_channel
*uchan
, struct ltt_ust_event
*uevent
)
189 struct cds_lfht
*ust_app_get_ht(void)
194 void ust_app_ht_alloc(void)
198 void ust_app_global_update(struct ltt_ust_session
*usess
, int sock
)
202 #endif /* HAVE_LIBLTTNG_UST_CTL */
204 #endif /* _LTT_UST_APP_H */