Cleanup lttng enable event command
[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
55cc08a6
DG
58struct ust_app_ctx {
59 int handle;
60 struct lttng_ust_context ctx;
61 struct lttng_ust_object_data *obj;
62 struct cds_lfht_node node;
63};
64
48842b30
DG
65struct ust_app_event {
66 int enabled;
67 int handle;
13161846 68 struct lttng_ust_object_data *obj;
284d8f55 69 struct lttng_ust_event attr;
48842b30
DG
70 char name[LTTNG_UST_SYM_NAME_LEN];
71 struct cds_lfht *ctx;
72 struct cds_lfht_node node;
73};
74
75struct ust_app_channel {
76 int enabled;
77 int handle;
78 char name[LTTNG_UST_SYM_NAME_LEN];
79 struct lttng_ust_channel attr;
13161846 80 struct lttng_ust_object_data *obj;
5af2f756 81 struct ltt_ust_stream_list streams;
48842b30
DG
82 struct cds_lfht *ctx;
83 struct cds_lfht *events;
84 struct cds_lfht_node node;
85};
86
87struct ust_app_session {
88 int enabled;
8be98f9a
MD
89 /* started: has the session been in started state at any time ? */
90 int started; /* allows detection of start vs restart. */
48842b30
DG
91 int handle; /* Used has unique identifier */
92 unsigned int uid;
93 struct ltt_ust_metadata *metadata;
48842b30
DG
94 struct cds_lfht *channels; /* Registered channels */
95 struct cds_lfht_node node;
477d7741 96 char path[PATH_MAX];
48842b30
DG
97};
98
f6a9efaa
DG
99/*
100 * Registered traceable applications. Libust registers to the session daemon
050349bb 101 * and a linked list is kept of all running traceable app.
91d76f53 102 */
56fff090 103struct ust_app {
099e26bd
DG
104 pid_t ppid;
105 uid_t uid; /* User ID that owns the apps */
aea829b3 106 gid_t gid; /* Group ID that owns the apps */
7753dea8 107 int bits_per_long;
099e26bd
DG
108 uint32_t v_major; /* Verion major number */
109 uint32_t v_minor; /* Verion minor number */
110 char name[17]; /* Process name (short) */
48842b30 111 struct cds_lfht *sessions;
f6a9efaa
DG
112 struct cds_lfht_node node;
113 struct ust_app_key key;
91d76f53
DG
114};
115
74d0b642 116#ifdef HAVE_LIBLTTNG_UST_CTL
3bd1e081 117
56fff090
DG
118int ust_app_register(struct ust_register_msg *msg, int sock);
119void ust_app_unregister(int sock);
f6a9efaa 120unsigned long ust_app_list_count(void);
421cb601 121int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app);
8be98f9a 122int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app);
421cb601 123int ust_app_start_trace_all(struct ltt_ust_session *usess);
8be98f9a 124int ust_app_stop_trace_all(struct ltt_ust_session *usess);
84cd17c6
MD
125int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app);
126int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
b551a063 127int ust_app_list_events(struct lttng_event **events);
35a9059d
DG
128int ust_app_create_channel_glb(struct ltt_ust_session *usess,
129 struct ltt_ust_channel *uchan);
130int ust_app_create_event_glb(struct ltt_ust_session *usess,
131 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
132int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 133 struct ltt_ust_channel *uchan);
35a9059d 134int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 135 struct ltt_ust_channel *uchan);
35a9059d 136int ust_app_enable_event_glb(struct ltt_ust_session *usess,
edb67388 137 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
35a9059d
DG
138int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
139 struct ltt_ust_channel *uchan);
140int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
9730260e 141 struct ltt_ust_channel *uchan);
35a9059d
DG
142int ust_app_disable_event_glb(struct ltt_ust_session *usess,
143 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
55cc08a6
DG
144int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess,
145 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
146 struct ltt_ust_context *uctx);
147int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
148 struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx);
487cf67c 149void ust_app_global_update(struct ltt_ust_session *usess, int sock);
91d76f53 150
56fff090 151void ust_app_clean_list(void);
f6a9efaa
DG
152void ust_app_ht_alloc(void);
153struct cds_lfht *ust_app_get_ht(void);
154struct ust_app *ust_app_find_by_pid(pid_t pid);
44d3bd01 155
74d0b642 156#else /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 157
cc920def
DG
158static inline
159int ust_app_destroy_trace_all(struct ltt_ust_session *usess)
160{
161 return 0;
162}
d974f197 163static inline
421cb601
DG
164int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app)
165{
166 return 0;
167}
168static inline
169int ust_app_start_trace_all(struct ltt_ust_session *usess)
d974f197 170{
5cf5d0e7 171 return 0;
d974f197 172}
3bd1e081 173static inline
cc920def
DG
174int ust_app_stop_trace_all(struct ltt_ust_session *usess)
175{
176 return 0;
177}
178static inline
b551a063
DG
179int ust_app_list_events(struct lttng_event **events)
180{
181 return 0;
182}
183static inline
3bd1e081
MD
184int ust_app_register(struct ust_register_msg *msg, int sock)
185{
186 return -ENOSYS;
187}
188static inline
189void ust_app_unregister(int sock)
190{
191}
192static inline
193unsigned int ust_app_list_count(void)
194{
195 return 0;
196}
3bd1e081
MD
197static inline
198void ust_app_lock_list(void)
199{
200}
201static inline
202void ust_app_unlock_list(void)
203{
204}
205static inline
206void ust_app_clean_list(void)
207{
208}
209static inline
210struct ust_app_list *ust_app_get_list(void)
211{
212 return NULL;
213}
214static inline
215struct ust_app *ust_app_get_by_pid(pid_t pid)
216{
217 return NULL;
218}
48842b30 219static inline
d974f197
DG
220struct cds_lfht *ust_app_get_ht(void)
221{
222 return NULL;
223}
224static inline
225void ust_app_ht_alloc(void)
cc920def
DG
226{}
227static inline
228void ust_app_global_update(struct ltt_ust_session *usess, int sock)
229{}
230static inline
35a9059d 231int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
cc920def 232 struct ltt_ust_channel *uchan)
d974f197 233{
cc920def 234 return 0;
d974f197 235}
487cf67c 236static inline
35a9059d 237int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
cc920def 238 struct ltt_ust_channel *uchan)
487cf67c 239{
cc920def
DG
240 return 0;
241}
242static inline
35a9059d 243int ust_app_create_channel_glb(struct ltt_ust_session *usess,
cc920def
DG
244 struct ltt_ust_channel *uchan)
245{
246 return 0;
247}
248static inline
35a9059d
DG
249int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
250 struct ltt_ust_channel *uchan)
cc920def
DG
251{
252 return 0;
253}
254static inline
35a9059d 255int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
cc920def
DG
256 struct ltt_ust_channel *uchan)
257{
258 return 0;
259}
260static inline
35a9059d
DG
261int ust_app_create_event_glb(struct ltt_ust_session *usess,
262 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
263{
264 return 0;
265}
266static inline
267int ust_app_disable_event_glb(struct ltt_ust_session *usess,
cc920def
DG
268 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
269{
270 return 0;
487cf67c 271}
edb67388 272static inline
35a9059d 273int ust_app_enable_event_glb(struct ltt_ust_session *usess,
edb67388
DG
274 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
275{
276 return 0;
277}
55cc08a6
DG
278static inline
279int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess,
280 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
281 struct ltt_ust_context *uctx)
282{
283 return 0;
284}
285static inline
286int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
287 struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx)
288{
289 return 0;
290}
48842b30 291
74d0b642 292#endif /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 293
f6a9efaa 294#endif /* _LTT_UST_APP_H */
This page took 0.059026 seconds and 4 git commands to generate.