Commit | Line | Data |
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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 | 23 | |
44d3bd01 DG |
24 | #include "trace-ust.h" |
25 | ||
e0c7ec2b | 26 | /* lttng-ust supported version. */ |
3f2c5fcc MD |
27 | #define LTTNG_UST_COMM_MAJOR 2 /* comm protocol major version */ |
28 | #define UST_APP_MAJOR_VERSION 2 /* UST version supported */ | |
e0c7ec2b | 29 | |
b551a063 DG |
30 | #define UST_APP_EVENT_LIST_SIZE 32 |
31 | ||
7753dea8 | 32 | extern int ust_consumerd64_fd, ust_consumerd32_fd; |
ba5d816e | 33 | |
099e26bd DG |
34 | /* |
35 | * Application registration data structure. | |
36 | */ | |
37 | struct ust_register_msg { | |
38 | uint32_t major; | |
39 | uint32_t minor; | |
40 | pid_t pid; | |
41 | pid_t ppid; | |
42 | uid_t uid; | |
43 | gid_t gid; | |
0df502fd | 44 | uint32_t bits_per_long; |
099e26bd DG |
45 | char name[16]; |
46 | }; | |
47 | ||
48842b30 DG |
48 | /* |
49 | * Global applications HT used by the session daemon. | |
50 | */ | |
bec39940 | 51 | struct lttng_ht *ust_app_ht; |
f6a9efaa | 52 | |
bec39940 | 53 | struct lttng_ht *ust_app_sock_key_map; |
f6a9efaa DG |
54 | |
55 | struct ust_app_key { | |
56 | pid_t pid; | |
57 | int sock; | |
bec39940 | 58 | struct lttng_ht_node_ulong node; |
91d76f53 DG |
59 | }; |
60 | ||
55cc08a6 DG |
61 | struct ust_app_ctx { |
62 | int handle; | |
63 | struct lttng_ust_context ctx; | |
64 | struct lttng_ust_object_data *obj; | |
bec39940 | 65 | struct lttng_ht_node_ulong node; |
55cc08a6 DG |
66 | }; |
67 | ||
48842b30 DG |
68 | struct ust_app_event { |
69 | int enabled; | |
70 | int handle; | |
13161846 | 71 | struct lttng_ust_object_data *obj; |
284d8f55 | 72 | struct lttng_ust_event attr; |
48842b30 | 73 | char name[LTTNG_UST_SYM_NAME_LEN]; |
bec39940 DG |
74 | struct lttng_ht *ctx; |
75 | struct lttng_ht_node_str node; | |
48842b30 DG |
76 | }; |
77 | ||
78 | struct ust_app_channel { | |
79 | int enabled; | |
80 | int handle; | |
81 | char name[LTTNG_UST_SYM_NAME_LEN]; | |
82 | struct lttng_ust_channel attr; | |
13161846 | 83 | struct lttng_ust_object_data *obj; |
5af2f756 | 84 | struct ltt_ust_stream_list streams; |
bec39940 DG |
85 | struct lttng_ht *ctx; |
86 | struct lttng_ht *events; | |
87 | struct lttng_ht_node_str node; | |
48842b30 DG |
88 | }; |
89 | ||
90 | struct ust_app_session { | |
91 | int enabled; | |
8be98f9a MD |
92 | /* started: has the session been in started state at any time ? */ |
93 | int started; /* allows detection of start vs restart. */ | |
a991f516 MD |
94 | int handle; /* used has unique identifier for app session */ |
95 | int id; /* session unique identifier */ | |
48842b30 | 96 | struct ltt_ust_metadata *metadata; |
bec39940 DG |
97 | struct lttng_ht *channels; /* Registered channels */ |
98 | struct lttng_ht_node_ulong node; | |
99 | char path[PATH_MAX]; | |
6df2e2c9 MD |
100 | /* UID/GID of the user owning the session */ |
101 | uid_t uid; | |
102 | gid_t gid; | |
48842b30 DG |
103 | }; |
104 | ||
f6a9efaa DG |
105 | /* |
106 | * Registered traceable applications. Libust registers to the session daemon | |
050349bb | 107 | * and a linked list is kept of all running traceable app. |
91d76f53 | 108 | */ |
56fff090 | 109 | struct ust_app { |
099e26bd DG |
110 | pid_t ppid; |
111 | uid_t uid; /* User ID that owns the apps */ | |
aea829b3 | 112 | gid_t gid; /* Group ID that owns the apps */ |
7753dea8 | 113 | int bits_per_long; |
e0c7ec2b DG |
114 | int compatible; /* If the lttng-ust tracer version does not match the |
115 | supported version of the session daemon, this flag is | |
116 | set to 0 (NOT compatible) else 1. */ | |
117 | struct lttng_ust_tracer_version version; | |
099e26bd DG |
118 | uint32_t v_major; /* Verion major number */ |
119 | uint32_t v_minor; /* Verion minor number */ | |
120 | char name[17]; /* Process name (short) */ | |
bec39940 DG |
121 | struct lttng_ht *sessions; |
122 | struct lttng_ht_node_ulong node; | |
f6a9efaa | 123 | struct ust_app_key key; |
91d76f53 DG |
124 | }; |
125 | ||
74d0b642 | 126 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 127 | |
56fff090 | 128 | int ust_app_register(struct ust_register_msg *msg, int sock); |
f2ca2e25 GF |
129 | static inline |
130 | int ust_app_register_done(int sock) | |
131 | { | |
132 | return ustctl_register_done(sock); | |
133 | } | |
56fff090 | 134 | void ust_app_unregister(int sock); |
f6a9efaa | 135 | unsigned long ust_app_list_count(void); |
421cb601 | 136 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app); |
8be98f9a | 137 | int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app); |
421cb601 | 138 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 139 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 MD |
140 | int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app); |
141 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); | |
b551a063 | 142 | int ust_app_list_events(struct lttng_event **events); |
35a9059d DG |
143 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
144 | struct ltt_ust_channel *uchan); | |
145 | int ust_app_create_event_glb(struct ltt_ust_session *usess, | |
146 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
7f79d3a1 DG |
147 | int ust_app_disable_event_pid(struct ltt_ust_session *usess, |
148 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
149 | pid_t pid); | |
76d45b40 DG |
150 | int ust_app_enable_event_pid(struct ltt_ust_session *usess, |
151 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
152 | pid_t pid); | |
35a9059d | 153 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 154 | struct ltt_ust_channel *uchan); |
35a9059d | 155 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 156 | struct ltt_ust_channel *uchan); |
35a9059d | 157 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 | 158 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
35a9059d DG |
159 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
160 | struct ltt_ust_channel *uchan); | |
161 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, | |
9730260e | 162 | struct ltt_ust_channel *uchan); |
35a9059d DG |
163 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
164 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
55cc08a6 DG |
165 | int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess, |
166 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
167 | struct ltt_ust_context *uctx); | |
168 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, | |
169 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx); | |
487cf67c | 170 | void ust_app_global_update(struct ltt_ust_session *usess, int sock); |
91d76f53 | 171 | |
56fff090 | 172 | void ust_app_clean_list(void); |
f6a9efaa | 173 | void ust_app_ht_alloc(void); |
bec39940 | 174 | struct lttng_ht *ust_app_get_ht(void); |
f6a9efaa | 175 | struct ust_app *ust_app_find_by_pid(pid_t pid); |
e0c7ec2b | 176 | int ust_app_validate_version(int sock); |
4466912f | 177 | int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate); |
44d3bd01 | 178 | |
74d0b642 | 179 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 180 | |
cc920def DG |
181 | static inline |
182 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess) | |
183 | { | |
184 | return 0; | |
185 | } | |
d974f197 | 186 | static inline |
421cb601 DG |
187 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
188 | { | |
189 | return 0; | |
190 | } | |
191 | static inline | |
192 | int ust_app_start_trace_all(struct ltt_ust_session *usess) | |
d974f197 | 193 | { |
5cf5d0e7 | 194 | return 0; |
d974f197 | 195 | } |
3bd1e081 | 196 | static inline |
cc920def DG |
197 | int ust_app_stop_trace_all(struct ltt_ust_session *usess) |
198 | { | |
199 | return 0; | |
200 | } | |
201 | static inline | |
b551a063 DG |
202 | int ust_app_list_events(struct lttng_event **events) |
203 | { | |
204 | return 0; | |
205 | } | |
206 | static inline | |
3bd1e081 MD |
207 | int ust_app_register(struct ust_register_msg *msg, int sock) |
208 | { | |
209 | return -ENOSYS; | |
210 | } | |
211 | static inline | |
f2ca2e25 GF |
212 | int ust_app_register_done(int sock) |
213 | { | |
214 | return -ENOSYS; | |
215 | } | |
216 | static inline | |
3bd1e081 MD |
217 | void ust_app_unregister(int sock) |
218 | { | |
219 | } | |
220 | static inline | |
221 | unsigned int ust_app_list_count(void) | |
222 | { | |
223 | return 0; | |
224 | } | |
3bd1e081 MD |
225 | static inline |
226 | void ust_app_lock_list(void) | |
227 | { | |
228 | } | |
229 | static inline | |
230 | void ust_app_unlock_list(void) | |
231 | { | |
232 | } | |
233 | static inline | |
234 | void ust_app_clean_list(void) | |
235 | { | |
236 | } | |
237 | static inline | |
238 | struct ust_app_list *ust_app_get_list(void) | |
239 | { | |
240 | return NULL; | |
241 | } | |
242 | static inline | |
243 | struct ust_app *ust_app_get_by_pid(pid_t pid) | |
244 | { | |
245 | return NULL; | |
246 | } | |
48842b30 | 247 | static inline |
bec39940 | 248 | struct lttng_ht *ust_app_get_ht(void) |
d974f197 DG |
249 | { |
250 | return NULL; | |
251 | } | |
252 | static inline | |
253 | void ust_app_ht_alloc(void) | |
cc920def DG |
254 | {} |
255 | static inline | |
256 | void ust_app_global_update(struct ltt_ust_session *usess, int sock) | |
257 | {} | |
258 | static inline | |
35a9059d | 259 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 260 | struct ltt_ust_channel *uchan) |
d974f197 | 261 | { |
cc920def | 262 | return 0; |
d974f197 | 263 | } |
487cf67c | 264 | static inline |
35a9059d | 265 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 266 | struct ltt_ust_channel *uchan) |
487cf67c | 267 | { |
cc920def DG |
268 | return 0; |
269 | } | |
270 | static inline | |
35a9059d | 271 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
cc920def DG |
272 | struct ltt_ust_channel *uchan) |
273 | { | |
274 | return 0; | |
275 | } | |
276 | static inline | |
35a9059d DG |
277 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
278 | struct ltt_ust_channel *uchan) | |
cc920def DG |
279 | { |
280 | return 0; | |
281 | } | |
282 | static inline | |
35a9059d | 283 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, |
cc920def DG |
284 | struct ltt_ust_channel *uchan) |
285 | { | |
286 | return 0; | |
287 | } | |
288 | static inline | |
35a9059d DG |
289 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
290 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) | |
291 | { | |
292 | return 0; | |
293 | } | |
294 | static inline | |
295 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, | |
cc920def DG |
296 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
297 | { | |
298 | return 0; | |
487cf67c | 299 | } |
edb67388 | 300 | static inline |
35a9059d | 301 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 DG |
302 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
303 | { | |
304 | return 0; | |
305 | } | |
55cc08a6 DG |
306 | static inline |
307 | int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess, | |
308 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
309 | struct ltt_ust_context *uctx) | |
310 | { | |
311 | return 0; | |
312 | } | |
313 | static inline | |
314 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, | |
315 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx) | |
316 | { | |
317 | return 0; | |
318 | } | |
76d45b40 DG |
319 | static inline |
320 | int ust_app_enable_event_pid(struct ltt_ust_session *usess, | |
321 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
322 | pid_t pid) | |
323 | { | |
324 | return 0; | |
325 | } | |
7f79d3a1 DG |
326 | static inline |
327 | int ust_app_disable_event_pid(struct ltt_ust_session *usess, | |
328 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
329 | pid_t pid) | |
330 | { | |
331 | return 0; | |
332 | } | |
e0c7ec2b DG |
333 | static inline |
334 | int ust_app_validate_version(int sock) | |
335 | { | |
336 | return 0; | |
337 | } | |
4466912f DG |
338 | static inline |
339 | int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate) | |
340 | { | |
341 | return 0; | |
342 | } | |
48842b30 | 343 | |
74d0b642 | 344 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 345 | |
f6a9efaa | 346 | #endif /* _LTT_UST_APP_H */ |