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Rename sessiond internal "uid" fields to "id"
[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. */
a991f516
MD		 91 int handle; /* used has unique identifier for app session */
92 int id; /* session unique identifier */
48842b30 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);
7f79d3a1
DG		 132int ust_app_disable_event_pid(struct ltt_ust_session *usess,
133 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
134 pid_t pid);
76d45b40
DG		 135int ust_app_enable_event_pid(struct ltt_ust_session *usess,
136 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
137 pid_t pid);
35a9059d 138int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 139 struct ltt_ust_channel *uchan);
35a9059d 140int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 141 struct ltt_ust_channel *uchan);
35a9059d 142int ust_app_enable_event_glb(struct ltt_ust_session *usess,
edb67388 143 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
35a9059d
DG		 144int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
145 struct ltt_ust_channel *uchan);
146int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
9730260e 147 struct ltt_ust_channel *uchan);
35a9059d
DG		 148int ust_app_disable_event_glb(struct ltt_ust_session *usess,
149 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
55cc08a6
DG		 150int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess,
151 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
152 struct ltt_ust_context *uctx);
153int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
154 struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx);
487cf67c 155void ust_app_global_update(struct ltt_ust_session *usess, int sock);
91d76f53 156
56fff090 157void ust_app_clean_list(void);
f6a9efaa
DG		 158void ust_app_ht_alloc(void);
159struct cds_lfht *ust_app_get_ht(void);
160struct ust_app *ust_app_find_by_pid(pid_t pid);
44d3bd01 161
74d0b642 162#else /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 163
cc920def
DG		 164static inline
165int ust_app_destroy_trace_all(struct ltt_ust_session *usess)
166{
167 return 0;
168}
d974f197 169static inline
421cb601
DG		 170int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app)
171{
172 return 0;
173}
174static inline
175int ust_app_start_trace_all(struct ltt_ust_session *usess)
d974f197 176{
5cf5d0e7 177 return 0;
d974f197 178}
3bd1e081 179static inline
cc920def
DG		 180int ust_app_stop_trace_all(struct ltt_ust_session *usess)
181{
182 return 0;
183}
184static inline
b551a063
DG		 185int ust_app_list_events(struct lttng_event **events)
186{
187 return 0;
188}
189static inline
3bd1e081
MD		 190int ust_app_register(struct ust_register_msg *msg, int sock)
191{
192 return -ENOSYS;
193}
194static inline
195void ust_app_unregister(int sock)
196{
197}
198static inline
199unsigned int ust_app_list_count(void)
200{
201 return 0;
202}
3bd1e081
MD		 203static inline
204void ust_app_lock_list(void)
205{
206}
207static inline
208void ust_app_unlock_list(void)
209{
210}
211static inline
212void ust_app_clean_list(void)
213{
214}
215static inline
216struct ust_app_list *ust_app_get_list(void)
217{
218 return NULL;
219}
220static inline
221struct ust_app *ust_app_get_by_pid(pid_t pid)
222{
223 return NULL;
224}
48842b30 225static inline
d974f197
DG		 226struct cds_lfht *ust_app_get_ht(void)
227{
228 return NULL;
229}
230static inline
231void ust_app_ht_alloc(void)
cc920def
DG		 232{}
233static inline
234void ust_app_global_update(struct ltt_ust_session *usess, int sock)
235{}
236static inline
35a9059d 237int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
cc920def 238 struct ltt_ust_channel *uchan)
d974f197 239{
cc920def 240 return 0;
d974f197 241}
487cf67c 242static inline
35a9059d 243int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
cc920def 244 struct ltt_ust_channel *uchan)
487cf67c 245{
cc920def
DG		 246 return 0;
247}
248static inline
35a9059d 249int ust_app_create_channel_glb(struct ltt_ust_session *usess,
cc920def
DG		 250 struct ltt_ust_channel *uchan)
251{
252 return 0;
253}
254static inline
35a9059d
DG		 255int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
256 struct ltt_ust_channel *uchan)
cc920def
DG		 257{
258 return 0;
259}
260static inline
35a9059d 261int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
cc920def
DG		 262 struct ltt_ust_channel *uchan)
263{
264 return 0;
265}
266static inline
35a9059d
DG		 267int ust_app_create_event_glb(struct ltt_ust_session *usess,
268 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
269{
270 return 0;
271}
272static inline
273int ust_app_disable_event_glb(struct ltt_ust_session *usess,
cc920def
DG		 274 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
275{
276 return 0;
487cf67c 277}
edb67388 278static inline
35a9059d 279int ust_app_enable_event_glb(struct ltt_ust_session *usess,
edb67388
DG		 280 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
281{
282 return 0;
283}
55cc08a6
DG		 284static inline
285int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess,
286 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
287 struct ltt_ust_context *uctx)
288{
289 return 0;
290}
291static inline
292int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
293 struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx)
294{
295 return 0;
296}
76d45b40
DG		 297static inline
298int ust_app_enable_event_pid(struct ltt_ust_session *usess,
299 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
300 pid_t pid)
301{
302 return 0;
303}
7f79d3a1
DG		 304static inline
305int ust_app_disable_event_pid(struct ltt_ust_session *usess,
306 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
307 pid_t pid)
308{
309 return 0;
310}
48842b30 311
74d0b642 312#endif /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 313
f6a9efaa 314#endif /* _LTT_UST_APP_H */
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