Add missing declaration when UST is disabled
[lttng-tools.git] / lttng-sessiond / ust-app.h
CommitLineData
91d76f53
DG
1/*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
82a3637f
DG
6 * as published by the Free Software Foundation; only version 2
7 * of the License.
91d76f53
DG
8 *
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.
13 *
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.
17 */
18
f6a9efaa
DG
19#ifndef _LTT_UST_APP_H
20#define _LTT_UST_APP_H
91d76f53 21
099e26bd 22#include <stdint.h>
1e307fab
DG
23#include <urcu/list.h>
24
44d3bd01
DG
25#include "trace-ust.h"
26
b551a063
DG
27#define UST_APP_EVENT_LIST_SIZE 32
28
7753dea8 29extern int ust_consumerd64_fd, ust_consumerd32_fd;
ba5d816e 30
099e26bd
DG
31/*
32 * Application registration data structure.
33 */
34struct ust_register_msg {
35 uint32_t major;
36 uint32_t minor;
37 pid_t pid;
38 pid_t ppid;
39 uid_t uid;
40 gid_t gid;
0df502fd 41 uint32_t bits_per_long;
099e26bd
DG
42 char name[16];
43};
44
48842b30
DG
45/*
46 * Global applications HT used by the session daemon.
47 */
f6a9efaa
DG
48struct cds_lfht *ust_app_ht;
49
50struct cds_lfht *ust_app_sock_key_map;
51
52struct ust_app_key {
53 pid_t pid;
54 int sock;
55 struct cds_lfht_node node;
91d76f53
DG
56};
57
48842b30
DG
58struct ust_app_event {
59 int enabled;
60 int handle;
13161846 61 struct lttng_ust_object_data *obj;
284d8f55 62 struct lttng_ust_event attr;
48842b30
DG
63 char name[LTTNG_UST_SYM_NAME_LEN];
64 struct cds_lfht *ctx;
65 struct cds_lfht_node node;
66};
67
68struct ust_app_channel {
69 int enabled;
70 int handle;
71 char name[LTTNG_UST_SYM_NAME_LEN];
72 struct lttng_ust_channel attr;
13161846 73 struct lttng_ust_object_data *obj;
5af2f756 74 struct ltt_ust_stream_list streams;
48842b30
DG
75 struct cds_lfht *ctx;
76 struct cds_lfht *events;
77 struct cds_lfht_node node;
78};
79
80struct ust_app_session {
81 int enabled;
8be98f9a
MD
82 /* started: has the session been in started state at any time ? */
83 int started; /* allows detection of start vs restart. */
48842b30
DG
84 int handle; /* Used has unique identifier */
85 unsigned int uid;
86 struct ltt_ust_metadata *metadata;
48842b30
DG
87 struct cds_lfht *channels; /* Registered channels */
88 struct cds_lfht_node node;
477d7741 89 char path[PATH_MAX];
48842b30
DG
90};
91
f6a9efaa
DG
92/*
93 * Registered traceable applications. Libust registers to the session daemon
050349bb 94 * and a linked list is kept of all running traceable app.
91d76f53 95 */
56fff090 96struct ust_app {
099e26bd
DG
97 pid_t ppid;
98 uid_t uid; /* User ID that owns the apps */
aea829b3 99 gid_t gid; /* Group ID that owns the apps */
7753dea8 100 int bits_per_long;
099e26bd
DG
101 uint32_t v_major; /* Verion major number */
102 uint32_t v_minor; /* Verion minor number */
103 char name[17]; /* Process name (short) */
48842b30 104 struct cds_lfht *sessions;
f6a9efaa
DG
105 struct cds_lfht_node node;
106 struct ust_app_key key;
91d76f53
DG
107};
108
74d0b642 109#ifdef HAVE_LIBLTTNG_UST_CTL
3bd1e081 110
56fff090
DG
111int ust_app_register(struct ust_register_msg *msg, int sock);
112void ust_app_unregister(int sock);
5b4a0ec0 113int ust_app_create_channel_all(struct ltt_ust_session *usess,
48842b30 114 struct ltt_ust_channel *uchan);
5b4a0ec0 115int ust_app_create_event_all(struct ltt_ust_session *usess,
48842b30 116 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
f6a9efaa 117unsigned long ust_app_list_count(void);
421cb601 118int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app);
8be98f9a 119int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app);
421cb601 120int ust_app_start_trace_all(struct ltt_ust_session *usess);
8be98f9a 121int ust_app_stop_trace_all(struct ltt_ust_session *usess);
84cd17c6
MD
122int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app);
123int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
b551a063 124int ust_app_list_events(struct lttng_event **events);
78f0bacd
DG
125int ust_app_disable_channel_all(struct ltt_ust_session *usess,
126 struct ltt_ust_channel *uchan);
127int ust_app_enable_channel_all(struct ltt_ust_session *usess,
128 struct ltt_ust_channel *uchan);
9730260e
DG
129int ust_app_disable_event_all(struct ltt_ust_session *usess,
130 struct ltt_ust_channel *uchan);
b0a40d28
DG
131int ust_app_disable_event(struct ltt_ust_session *usess,
132 struct ltt_ust_channel *uchan, char *event_name);
487cf67c 133void ust_app_global_update(struct ltt_ust_session *usess, int sock);
91d76f53 134
56fff090 135void ust_app_clean_list(void);
f6a9efaa
DG
136void ust_app_ht_alloc(void);
137struct cds_lfht *ust_app_get_ht(void);
138struct ust_app *ust_app_find_by_pid(pid_t pid);
44d3bd01 139
74d0b642 140#else /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 141
cc920def
DG
142static inline
143int ust_app_destroy_trace_all(struct ltt_ust_session *usess)
144{
145 return 0;
146}
d974f197 147static inline
421cb601
DG
148int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app)
149{
150 return 0;
151}
152static inline
153int ust_app_start_trace_all(struct ltt_ust_session *usess)
d974f197 154{
5cf5d0e7 155 return 0;
d974f197 156}
3bd1e081 157static inline
cc920def
DG
158int ust_app_stop_trace_all(struct ltt_ust_session *usess)
159{
160 return 0;
161}
162static inline
b551a063
DG
163int ust_app_list_events(struct lttng_event **events)
164{
165 return 0;
166}
167static inline
3bd1e081
MD
168int ust_app_register(struct ust_register_msg *msg, int sock)
169{
170 return -ENOSYS;
171}
172static inline
173void ust_app_unregister(int sock)
174{
175}
176static inline
177unsigned int ust_app_list_count(void)
178{
179 return 0;
180}
3bd1e081
MD
181static inline
182void ust_app_lock_list(void)
183{
184}
185static inline
186void ust_app_unlock_list(void)
187{
188}
189static inline
190void ust_app_clean_list(void)
191{
192}
193static inline
194struct ust_app_list *ust_app_get_list(void)
195{
196 return NULL;
197}
198static inline
199struct ust_app *ust_app_get_by_pid(pid_t pid)
200{
201 return NULL;
202}
48842b30 203static inline
421cb601 204int ust_app_add_channel_all(struct ltt_ust_session *usess,
48842b30
DG
205 struct ltt_ust_channel *uchan)
206{
207 return 0;
208}
d974f197 209static inline
421cb601 210int ust_app_add_event_all(struct ltt_ust_session *usess,
d974f197
DG
211 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
212{
5cf5d0e7 213 return 0;
d974f197
DG
214}
215static inline
216struct cds_lfht *ust_app_get_ht(void)
217{
218 return NULL;
219}
220static inline
221void ust_app_ht_alloc(void)
cc920def
DG
222{}
223static inline
224void ust_app_global_update(struct ltt_ust_session *usess, int sock)
225{}
226static inline
227int ust_app_disable_channel_all(struct ltt_ust_session *usess,
228 struct ltt_ust_channel *uchan)
d974f197 229{
cc920def 230 return 0;
d974f197 231}
487cf67c 232static inline
cc920def
DG
233int ust_app_enable_channel_all(struct ltt_ust_session *usess,
234 struct ltt_ust_channel *uchan)
487cf67c 235{
cc920def
DG
236 return 0;
237}
238static inline
239int ust_app_disable_event_all(struct ltt_ust_session *usess,
240 struct ltt_ust_channel *uchan)
241{
242 return 0;
243}
244static inline
245int ust_app_disable_event(struct ltt_ust_session *usess,
246 struct ltt_ust_channel *uchan, char *event_name)
247{
248 return 0;
249}
250static inline
251int ust_app_create_channel_all(struct ltt_ust_session *usess,
252 struct ltt_ust_channel *uchan)
253{
254 return 0;
255}
256static inline
257int ust_app_create_event_all(struct ltt_ust_session *usess,
258 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
259{
260 return 0;
487cf67c 261}
48842b30 262
74d0b642 263#endif /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 264
f6a9efaa 265#endif /* _LTT_UST_APP_H */
This page took 0.055669 seconds and 4 git commands to generate.