Update lttng kernel modules names
[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.h
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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
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6 * as published by the Free Software Foundation; only version 2
7 * of the License.
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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
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19#ifndef _LTT_UST_APP_H
20#define _LTT_UST_APP_H
91d76f53 21
099e26bd 22#include <stdint.h>
1e307fab 23
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24#include "trace-ust.h"
25
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26#define UST_APP_EVENT_LIST_SIZE 32
27
7753dea8 28extern int ust_consumerd64_fd, ust_consumerd32_fd;
ba5d816e 29
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30/*
31 * Application registration data structure.
32 */
33struct ust_register_msg {
34 uint32_t major;
35 uint32_t minor;
36 pid_t pid;
37 pid_t ppid;
38 uid_t uid;
39 gid_t gid;
0df502fd 40 uint32_t bits_per_long;
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41 char name[16];
42};
43
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44/*
45 * Global applications HT used by the session daemon.
46 */
bec39940 47struct lttng_ht *ust_app_ht;
f6a9efaa 48
bec39940 49struct lttng_ht *ust_app_sock_key_map;
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50
51struct ust_app_key {
52 pid_t pid;
53 int sock;
bec39940 54 struct lttng_ht_node_ulong node;
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55};
56
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57struct ust_app_ctx {
58 int handle;
59 struct lttng_ust_context ctx;
60 struct lttng_ust_object_data *obj;
bec39940 61 struct lttng_ht_node_ulong node;
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62};
63
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64struct ust_app_event {
65 int enabled;
66 int handle;
13161846 67 struct lttng_ust_object_data *obj;
284d8f55 68 struct lttng_ust_event attr;
48842b30 69 char name[LTTNG_UST_SYM_NAME_LEN];
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70 struct lttng_ht *ctx;
71 struct lttng_ht_node_str node;
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72};
73
74struct ust_app_channel {
75 int enabled;
76 int handle;
77 char name[LTTNG_UST_SYM_NAME_LEN];
78 struct lttng_ust_channel attr;
13161846 79 struct lttng_ust_object_data *obj;
5af2f756 80 struct ltt_ust_stream_list streams;
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81 struct lttng_ht *ctx;
82 struct lttng_ht *events;
83 struct lttng_ht_node_str node;
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84};
85
86struct ust_app_session {
87 int enabled;
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88 /* started: has the session been in started state at any time ? */
89 int started; /* allows detection of start vs restart. */
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90 int handle; /* used has unique identifier for app session */
91 int id; /* session unique identifier */
48842b30 92 struct ltt_ust_metadata *metadata;
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93 struct lttng_ht *channels; /* Registered channels */
94 struct lttng_ht_node_ulong node;
95 char path[PATH_MAX];
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96 /* UID/GID of the user owning the session */
97 uid_t uid;
98 gid_t gid;
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99};
100
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101/*
102 * Registered traceable applications. Libust registers to the session daemon
050349bb 103 * and a linked list is kept of all running traceable app.
91d76f53 104 */
56fff090 105struct ust_app {
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106 pid_t ppid;
107 uid_t uid; /* User ID that owns the apps */
aea829b3 108 gid_t gid; /* Group ID that owns the apps */
7753dea8 109 int bits_per_long;
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110 uint32_t v_major; /* Verion major number */
111 uint32_t v_minor; /* Verion minor number */
112 char name[17]; /* Process name (short) */
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113 struct lttng_ht *sessions;
114 struct lttng_ht_node_ulong node;
f6a9efaa 115 struct ust_app_key key;
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116};
117
74d0b642 118#ifdef HAVE_LIBLTTNG_UST_CTL
3bd1e081 119
56fff090 120int ust_app_register(struct ust_register_msg *msg, int sock);
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121static inline
122int ust_app_register_done(int sock)
123{
124 return ustctl_register_done(sock);
125}
56fff090 126void ust_app_unregister(int sock);
f6a9efaa 127unsigned long ust_app_list_count(void);
421cb601 128int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app);
8be98f9a 129int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app);
421cb601 130int ust_app_start_trace_all(struct ltt_ust_session *usess);
8be98f9a 131int ust_app_stop_trace_all(struct ltt_ust_session *usess);
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132int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app);
133int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
b551a063 134int ust_app_list_events(struct lttng_event **events);
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135int ust_app_create_channel_glb(struct ltt_ust_session *usess,
136 struct ltt_ust_channel *uchan);
137int ust_app_create_event_glb(struct ltt_ust_session *usess,
138 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
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139int ust_app_disable_event_pid(struct ltt_ust_session *usess,
140 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
141 pid_t pid);
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142int ust_app_enable_event_pid(struct ltt_ust_session *usess,
143 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
144 pid_t pid);
35a9059d 145int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 146 struct ltt_ust_channel *uchan);
35a9059d 147int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 148 struct ltt_ust_channel *uchan);
35a9059d 149int ust_app_enable_event_glb(struct ltt_ust_session *usess,
edb67388 150 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
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151int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
152 struct ltt_ust_channel *uchan);
153int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
9730260e 154 struct ltt_ust_channel *uchan);
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155int ust_app_disable_event_glb(struct ltt_ust_session *usess,
156 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
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157int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess,
158 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
159 struct ltt_ust_context *uctx);
160int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
161 struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx);
487cf67c 162void ust_app_global_update(struct ltt_ust_session *usess, int sock);
91d76f53 163
56fff090 164void ust_app_clean_list(void);
f6a9efaa 165void ust_app_ht_alloc(void);
bec39940 166struct lttng_ht *ust_app_get_ht(void);
f6a9efaa 167struct ust_app *ust_app_find_by_pid(pid_t pid);
44d3bd01 168
74d0b642 169#else /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 170
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171static inline
172int ust_app_destroy_trace_all(struct ltt_ust_session *usess)
173{
174 return 0;
175}
d974f197 176static inline
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177int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app)
178{
179 return 0;
180}
181static inline
182int ust_app_start_trace_all(struct ltt_ust_session *usess)
d974f197 183{
5cf5d0e7 184 return 0;
d974f197 185}
3bd1e081 186static inline
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187int ust_app_stop_trace_all(struct ltt_ust_session *usess)
188{
189 return 0;
190}
191static inline
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192int ust_app_list_events(struct lttng_event **events)
193{
194 return 0;
195}
196static inline
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197int ust_app_register(struct ust_register_msg *msg, int sock)
198{
199 return -ENOSYS;
200}
201static inline
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202int ust_app_register_done(int sock)
203{
204 return -ENOSYS;
205}
206static inline
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207void ust_app_unregister(int sock)
208{
209}
210static inline
211unsigned int ust_app_list_count(void)
212{
213 return 0;
214}
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215static inline
216void ust_app_lock_list(void)
217{
218}
219static inline
220void ust_app_unlock_list(void)
221{
222}
223static inline
224void ust_app_clean_list(void)
225{
226}
227static inline
228struct ust_app_list *ust_app_get_list(void)
229{
230 return NULL;
231}
232static inline
233struct ust_app *ust_app_get_by_pid(pid_t pid)
234{
235 return NULL;
236}
48842b30 237static inline
bec39940 238struct lttng_ht *ust_app_get_ht(void)
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239{
240 return NULL;
241}
242static inline
243void ust_app_ht_alloc(void)
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244{}
245static inline
246void ust_app_global_update(struct ltt_ust_session *usess, int sock)
247{}
248static inline
35a9059d 249int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
cc920def 250 struct ltt_ust_channel *uchan)
d974f197 251{
cc920def 252 return 0;
d974f197 253}
487cf67c 254static inline
35a9059d 255int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
cc920def 256 struct ltt_ust_channel *uchan)
487cf67c 257{
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258 return 0;
259}
260static inline
35a9059d 261int ust_app_create_channel_glb(struct ltt_ust_session *usess,
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262 struct ltt_ust_channel *uchan)
263{
264 return 0;
265}
266static inline
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267int ust_app_disable_all_event_glb(struct ltt_ust_session *usess,
268 struct ltt_ust_channel *uchan)
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269{
270 return 0;
271}
272static inline
35a9059d 273int ust_app_enable_all_event_glb(struct ltt_ust_session *usess,
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274 struct ltt_ust_channel *uchan)
275{
276 return 0;
277}
278static inline
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279int ust_app_create_event_glb(struct ltt_ust_session *usess,
280 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
281{
282 return 0;
283}
284static inline
285int ust_app_disable_event_glb(struct ltt_ust_session *usess,
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286 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
287{
288 return 0;
487cf67c 289}
edb67388 290static inline
35a9059d 291int ust_app_enable_event_glb(struct ltt_ust_session *usess,
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292 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
293{
294 return 0;
295}
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296static inline
297int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess,
298 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
299 struct ltt_ust_context *uctx)
300{
301 return 0;
302}
303static inline
304int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
305 struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx)
306{
307 return 0;
308}
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309static inline
310int ust_app_enable_event_pid(struct ltt_ust_session *usess,
311 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
312 pid_t pid)
313{
314 return 0;
315}
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316static inline
317int ust_app_disable_event_pid(struct ltt_ust_session *usess,
318 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent,
319 pid_t pid)
320{
321 return 0;
322}
48842b30 323
74d0b642 324#endif /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 325
f6a9efaa 326#endif /* _LTT_UST_APP_H */
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