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91d76f53 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
91d76f53 DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
91d76f53 DG |
16 | */ |
17 | ||
f6a9efaa DG |
18 | #ifndef _LTT_UST_APP_H |
19 | #define _LTT_UST_APP_H | |
91d76f53 | 20 | |
099e26bd | 21 | #include <stdint.h> |
1e307fab | 22 | |
44d3bd01 DG |
23 | #include "trace-ust.h" |
24 | ||
e0c7ec2b | 25 | /* lttng-ust supported version. */ |
3f2c5fcc | 26 | #define LTTNG_UST_COMM_MAJOR 2 /* comm protocol major version */ |
68264071 | 27 | #define UST_APP_MAJOR_VERSION 3 /* Internal UST version supported */ |
e0c7ec2b | 28 | |
b551a063 DG |
29 | #define UST_APP_EVENT_LIST_SIZE 32 |
30 | ||
53a80697 MD |
31 | struct lttng_filter_bytecode; |
32 | struct lttng_ust_filter_bytecode; | |
33 | ||
7753dea8 | 34 | extern int ust_consumerd64_fd, ust_consumerd32_fd; |
ba5d816e | 35 | |
099e26bd DG |
36 | /* |
37 | * Application registration data structure. | |
38 | */ | |
39 | struct ust_register_msg { | |
40 | uint32_t major; | |
41 | uint32_t minor; | |
42 | pid_t pid; | |
43 | pid_t ppid; | |
44 | uid_t uid; | |
45 | gid_t gid; | |
0df502fd | 46 | uint32_t bits_per_long; |
099e26bd DG |
47 | char name[16]; |
48 | }; | |
49 | ||
48842b30 | 50 | /* |
852d0037 DG |
51 | * Global applications HT used by the session daemon. This table is indexed by |
52 | * PID using the pid_n node and pid value of an ust_app. | |
48842b30 | 53 | */ |
bec39940 | 54 | struct lttng_ht *ust_app_ht; |
f6a9efaa | 55 | |
852d0037 DG |
56 | /* |
57 | * Global applications HT used by the session daemon. This table is indexed by | |
58 | * socket using the sock_n node and sock value of an ust_app. | |
59 | */ | |
60 | struct lttng_ht *ust_app_ht_by_sock; | |
91d76f53 | 61 | |
55cc08a6 DG |
62 | struct ust_app_ctx { |
63 | int handle; | |
64 | struct lttng_ust_context ctx; | |
65 | struct lttng_ust_object_data *obj; | |
bec39940 | 66 | struct lttng_ht_node_ulong node; |
55cc08a6 DG |
67 | }; |
68 | ||
48842b30 DG |
69 | struct ust_app_event { |
70 | int enabled; | |
71 | int handle; | |
13161846 | 72 | struct lttng_ust_object_data *obj; |
284d8f55 | 73 | struct lttng_ust_event attr; |
48842b30 | 74 | char name[LTTNG_UST_SYM_NAME_LEN]; |
bec39940 | 75 | struct lttng_ht_node_str node; |
53a80697 | 76 | struct lttng_ust_filter_bytecode *filter; |
48842b30 DG |
77 | }; |
78 | ||
79 | struct ust_app_channel { | |
80 | int enabled; | |
81 | int handle; | |
82 | char name[LTTNG_UST_SYM_NAME_LEN]; | |
83 | struct lttng_ust_channel attr; | |
13161846 | 84 | struct lttng_ust_object_data *obj; |
5af2f756 | 85 | struct ltt_ust_stream_list streams; |
bec39940 DG |
86 | struct lttng_ht *ctx; |
87 | struct lttng_ht *events; | |
88 | struct lttng_ht_node_str node; | |
48842b30 DG |
89 | }; |
90 | ||
91 | struct ust_app_session { | |
92 | int enabled; | |
8be98f9a MD |
93 | /* started: has the session been in started state at any time ? */ |
94 | int started; /* allows detection of start vs restart. */ | |
a991f516 MD |
95 | int handle; /* used has unique identifier for app session */ |
96 | int id; /* session unique identifier */ | |
48842b30 | 97 | struct ltt_ust_metadata *metadata; |
bec39940 DG |
98 | struct lttng_ht *channels; /* Registered channels */ |
99 | struct lttng_ht_node_ulong node; | |
100 | char path[PATH_MAX]; | |
6df2e2c9 MD |
101 | /* UID/GID of the user owning the session */ |
102 | uid_t uid; | |
103 | gid_t gid; | |
48842b30 DG |
104 | }; |
105 | ||
f6a9efaa DG |
106 | /* |
107 | * Registered traceable applications. Libust registers to the session daemon | |
050349bb | 108 | * and a linked list is kept of all running traceable app. |
91d76f53 | 109 | */ |
56fff090 | 110 | struct ust_app { |
852d0037 DG |
111 | int sock; |
112 | pid_t pid; | |
099e26bd DG |
113 | pid_t ppid; |
114 | uid_t uid; /* User ID that owns the apps */ | |
aea829b3 | 115 | gid_t gid; /* Group ID that owns the apps */ |
7753dea8 | 116 | int bits_per_long; |
e0c7ec2b DG |
117 | int compatible; /* If the lttng-ust tracer version does not match the |
118 | supported version of the session daemon, this flag is | |
119 | set to 0 (NOT compatible) else 1. */ | |
120 | struct lttng_ust_tracer_version version; | |
099e26bd DG |
121 | uint32_t v_major; /* Verion major number */ |
122 | uint32_t v_minor; /* Verion minor number */ | |
123 | char name[17]; /* Process name (short) */ | |
bec39940 | 124 | struct lttng_ht *sessions; |
852d0037 DG |
125 | struct lttng_ht_node_ulong pid_n; |
126 | struct lttng_ht_node_ulong sock_n; | |
91d76f53 DG |
127 | }; |
128 | ||
74d0b642 | 129 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 130 | |
56fff090 | 131 | int ust_app_register(struct ust_register_msg *msg, int sock); |
f2ca2e25 GF |
132 | static inline |
133 | int ust_app_register_done(int sock) | |
134 | { | |
135 | return ustctl_register_done(sock); | |
136 | } | |
56fff090 | 137 | void ust_app_unregister(int sock); |
f6a9efaa | 138 | unsigned long ust_app_list_count(void); |
421cb601 | 139 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app); |
8be98f9a | 140 | int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app); |
421cb601 | 141 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 142 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 MD |
143 | int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app); |
144 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); | |
b551a063 | 145 | int ust_app_list_events(struct lttng_event **events); |
f37d259d | 146 | int ust_app_list_event_fields(struct lttng_event_field **fields); |
35a9059d DG |
147 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
148 | struct ltt_ust_channel *uchan); | |
149 | int ust_app_create_event_glb(struct ltt_ust_session *usess, | |
150 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
7f79d3a1 DG |
151 | int ust_app_disable_event_pid(struct ltt_ust_session *usess, |
152 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
153 | pid_t pid); | |
76d45b40 DG |
154 | int ust_app_enable_event_pid(struct ltt_ust_session *usess, |
155 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
156 | pid_t pid); | |
35a9059d | 157 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 158 | struct ltt_ust_channel *uchan); |
35a9059d | 159 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 160 | struct ltt_ust_channel *uchan); |
35a9059d | 161 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 | 162 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
35a9059d DG |
163 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
164 | struct ltt_ust_channel *uchan); | |
165 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, | |
9730260e | 166 | struct ltt_ust_channel *uchan); |
35a9059d DG |
167 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
168 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
55cc08a6 DG |
169 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
170 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx); | |
53a80697 MD |
171 | int ust_app_set_filter_event_glb(struct ltt_ust_session *usess, |
172 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
173 | struct lttng_filter_bytecode *bytecode); | |
487cf67c | 174 | void ust_app_global_update(struct ltt_ust_session *usess, int sock); |
91d76f53 | 175 | |
56fff090 | 176 | void ust_app_clean_list(void); |
f6a9efaa | 177 | void ust_app_ht_alloc(void); |
bec39940 | 178 | struct lttng_ht *ust_app_get_ht(void); |
f6a9efaa | 179 | struct ust_app *ust_app_find_by_pid(pid_t pid); |
e0c7ec2b | 180 | int ust_app_validate_version(int sock); |
4466912f | 181 | int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate); |
44d3bd01 | 182 | |
74d0b642 | 183 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 184 | |
cc920def DG |
185 | static inline |
186 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess) | |
187 | { | |
188 | return 0; | |
189 | } | |
d974f197 | 190 | static inline |
421cb601 DG |
191 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
192 | { | |
193 | return 0; | |
194 | } | |
195 | static inline | |
196 | int ust_app_start_trace_all(struct ltt_ust_session *usess) | |
d974f197 | 197 | { |
5cf5d0e7 | 198 | return 0; |
d974f197 | 199 | } |
3bd1e081 | 200 | static inline |
cc920def DG |
201 | int ust_app_stop_trace_all(struct ltt_ust_session *usess) |
202 | { | |
203 | return 0; | |
204 | } | |
205 | static inline | |
b551a063 DG |
206 | int ust_app_list_events(struct lttng_event **events) |
207 | { | |
db7c0497 | 208 | return -ENOSYS; |
b551a063 DG |
209 | } |
210 | static inline | |
da0bdb87 MD |
211 | int ust_app_list_event_fields(struct lttng_event_field **fields) |
212 | { | |
213 | return -ENOSYS; | |
214 | } | |
215 | static inline | |
3bd1e081 MD |
216 | int ust_app_register(struct ust_register_msg *msg, int sock) |
217 | { | |
218 | return -ENOSYS; | |
219 | } | |
220 | static inline | |
f2ca2e25 GF |
221 | int ust_app_register_done(int sock) |
222 | { | |
223 | return -ENOSYS; | |
224 | } | |
225 | static inline | |
3bd1e081 MD |
226 | void ust_app_unregister(int sock) |
227 | { | |
228 | } | |
229 | static inline | |
230 | unsigned int ust_app_list_count(void) | |
231 | { | |
232 | return 0; | |
233 | } | |
3bd1e081 MD |
234 | static inline |
235 | void ust_app_lock_list(void) | |
236 | { | |
237 | } | |
238 | static inline | |
239 | void ust_app_unlock_list(void) | |
240 | { | |
241 | } | |
242 | static inline | |
243 | void ust_app_clean_list(void) | |
244 | { | |
245 | } | |
246 | static inline | |
247 | struct ust_app_list *ust_app_get_list(void) | |
248 | { | |
249 | return NULL; | |
250 | } | |
251 | static inline | |
252 | struct ust_app *ust_app_get_by_pid(pid_t pid) | |
253 | { | |
254 | return NULL; | |
255 | } | |
48842b30 | 256 | static inline |
bec39940 | 257 | struct lttng_ht *ust_app_get_ht(void) |
d974f197 DG |
258 | { |
259 | return NULL; | |
260 | } | |
261 | static inline | |
262 | void ust_app_ht_alloc(void) | |
cc920def DG |
263 | {} |
264 | static inline | |
265 | void ust_app_global_update(struct ltt_ust_session *usess, int sock) | |
266 | {} | |
267 | static inline | |
35a9059d | 268 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 269 | struct ltt_ust_channel *uchan) |
d974f197 | 270 | { |
cc920def | 271 | return 0; |
d974f197 | 272 | } |
487cf67c | 273 | static inline |
35a9059d | 274 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 275 | struct ltt_ust_channel *uchan) |
487cf67c | 276 | { |
cc920def DG |
277 | return 0; |
278 | } | |
279 | static inline | |
35a9059d | 280 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
cc920def DG |
281 | struct ltt_ust_channel *uchan) |
282 | { | |
283 | return 0; | |
284 | } | |
285 | static inline | |
35a9059d DG |
286 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
287 | struct ltt_ust_channel *uchan) | |
cc920def DG |
288 | { |
289 | return 0; | |
290 | } | |
291 | static inline | |
35a9059d | 292 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, |
cc920def DG |
293 | struct ltt_ust_channel *uchan) |
294 | { | |
295 | return 0; | |
296 | } | |
297 | static inline | |
35a9059d DG |
298 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
299 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) | |
300 | { | |
301 | return 0; | |
302 | } | |
303 | static inline | |
304 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, | |
cc920def DG |
305 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
306 | { | |
307 | return 0; | |
487cf67c | 308 | } |
edb67388 | 309 | static inline |
35a9059d | 310 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 DG |
311 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
312 | { | |
313 | return 0; | |
314 | } | |
55cc08a6 | 315 | static inline |
55cc08a6 DG |
316 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
317 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx) | |
318 | { | |
319 | return 0; | |
320 | } | |
76d45b40 DG |
321 | static inline |
322 | int ust_app_enable_event_pid(struct ltt_ust_session *usess, | |
323 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
324 | pid_t pid) | |
325 | { | |
326 | return 0; | |
327 | } | |
7f79d3a1 DG |
328 | static inline |
329 | int ust_app_disable_event_pid(struct ltt_ust_session *usess, | |
330 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
331 | pid_t pid) | |
332 | { | |
333 | return 0; | |
334 | } | |
e0c7ec2b DG |
335 | static inline |
336 | int ust_app_validate_version(int sock) | |
337 | { | |
338 | return 0; | |
339 | } | |
4466912f DG |
340 | static inline |
341 | int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate) | |
342 | { | |
343 | return 0; | |
344 | } | |
cc04e512 DG |
345 | static inline |
346 | int ust_app_set_filter_event_glb(struct ltt_ust_session *usess, | |
347 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
348 | struct lttng_filter_bytecode *bytecode) | |
349 | { | |
350 | return 0; | |
351 | } | |
48842b30 | 352 | |
74d0b642 | 353 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 354 | |
f6a9efaa | 355 | #endif /* _LTT_UST_APP_H */ |