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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 | ||
b551a063 DG |
26 | #define UST_APP_EVENT_LIST_SIZE 32 |
27 | ||
7753dea8 | 28 | extern int ust_consumerd64_fd, ust_consumerd32_fd; |
ba5d816e | 29 | |
099e26bd DG |
30 | /* |
31 | * Application registration data structure. | |
32 | */ | |
33 | struct 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; |
099e26bd DG |
41 | char name[16]; |
42 | }; | |
43 | ||
48842b30 DG |
44 | /* |
45 | * Global applications HT used by the session daemon. | |
46 | */ | |
bec39940 | 47 | struct lttng_ht *ust_app_ht; |
f6a9efaa | 48 | |
bec39940 | 49 | struct lttng_ht *ust_app_sock_key_map; |
f6a9efaa DG |
50 | |
51 | struct ust_app_key { | |
52 | pid_t pid; | |
53 | int sock; | |
bec39940 | 54 | struct lttng_ht_node_ulong node; |
91d76f53 DG |
55 | }; |
56 | ||
55cc08a6 DG |
57 | struct 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; |
55cc08a6 DG |
62 | }; |
63 | ||
48842b30 DG |
64 | struct 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]; |
bec39940 DG |
70 | struct lttng_ht *ctx; |
71 | struct lttng_ht_node_str node; | |
48842b30 DG |
72 | }; |
73 | ||
74 | struct 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; |
bec39940 DG |
81 | struct lttng_ht *ctx; |
82 | struct lttng_ht *events; | |
83 | struct lttng_ht_node_str node; | |
48842b30 DG |
84 | }; |
85 | ||
86 | struct ust_app_session { | |
87 | int enabled; | |
8be98f9a MD |
88 | /* started: has the session been in started state at any time ? */ |
89 | int started; /* allows detection of start vs restart. */ | |
a991f516 MD |
90 | int handle; /* used has unique identifier for app session */ |
91 | int id; /* session unique identifier */ | |
48842b30 | 92 | struct ltt_ust_metadata *metadata; |
bec39940 DG |
93 | struct lttng_ht *channels; /* Registered channels */ |
94 | struct lttng_ht_node_ulong node; | |
95 | char path[PATH_MAX]; | |
6df2e2c9 MD |
96 | /* UID/GID of the user owning the session */ |
97 | uid_t uid; | |
98 | gid_t gid; | |
48842b30 DG |
99 | }; |
100 | ||
f6a9efaa DG |
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 | 105 | struct ust_app { |
099e26bd DG |
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; |
099e26bd DG |
110 | uint32_t v_major; /* Verion major number */ |
111 | uint32_t v_minor; /* Verion minor number */ | |
112 | char name[17]; /* Process name (short) */ | |
bec39940 DG |
113 | struct lttng_ht *sessions; |
114 | struct lttng_ht_node_ulong node; | |
f6a9efaa | 115 | struct ust_app_key key; |
91d76f53 DG |
116 | }; |
117 | ||
74d0b642 | 118 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 119 | |
56fff090 | 120 | int ust_app_register(struct ust_register_msg *msg, int sock); |
f2ca2e25 GF |
121 | static inline |
122 | int ust_app_register_done(int sock) | |
123 | { | |
124 | return ustctl_register_done(sock); | |
125 | } | |
56fff090 | 126 | void ust_app_unregister(int sock); |
f6a9efaa | 127 | unsigned long ust_app_list_count(void); |
421cb601 | 128 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app); |
8be98f9a | 129 | int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app); |
421cb601 | 130 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 131 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 MD |
132 | int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app); |
133 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); | |
b551a063 | 134 | int ust_app_list_events(struct lttng_event **events); |
35a9059d DG |
135 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
136 | struct ltt_ust_channel *uchan); | |
137 | int ust_app_create_event_glb(struct ltt_ust_session *usess, | |
138 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
7f79d3a1 DG |
139 | int 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); | |
76d45b40 DG |
142 | int 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 | 145 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 146 | struct ltt_ust_channel *uchan); |
35a9059d | 147 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 148 | struct ltt_ust_channel *uchan); |
35a9059d | 149 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 | 150 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
35a9059d DG |
151 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
152 | struct ltt_ust_channel *uchan); | |
153 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, | |
9730260e | 154 | struct ltt_ust_channel *uchan); |
35a9059d DG |
155 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
156 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
55cc08a6 DG |
157 | int 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); | |
160 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, | |
161 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx); | |
487cf67c | 162 | void ust_app_global_update(struct ltt_ust_session *usess, int sock); |
91d76f53 | 163 | |
56fff090 | 164 | void ust_app_clean_list(void); |
f6a9efaa | 165 | void ust_app_ht_alloc(void); |
bec39940 | 166 | struct lttng_ht *ust_app_get_ht(void); |
f6a9efaa | 167 | struct ust_app *ust_app_find_by_pid(pid_t pid); |
44d3bd01 | 168 | |
74d0b642 | 169 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 170 | |
cc920def DG |
171 | static inline |
172 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess) | |
173 | { | |
174 | return 0; | |
175 | } | |
d974f197 | 176 | static inline |
421cb601 DG |
177 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
178 | { | |
179 | return 0; | |
180 | } | |
181 | static inline | |
182 | int ust_app_start_trace_all(struct ltt_ust_session *usess) | |
d974f197 | 183 | { |
5cf5d0e7 | 184 | return 0; |
d974f197 | 185 | } |
3bd1e081 | 186 | static inline |
cc920def DG |
187 | int ust_app_stop_trace_all(struct ltt_ust_session *usess) |
188 | { | |
189 | return 0; | |
190 | } | |
191 | static inline | |
b551a063 DG |
192 | int ust_app_list_events(struct lttng_event **events) |
193 | { | |
194 | return 0; | |
195 | } | |
196 | static inline | |
3bd1e081 MD |
197 | int ust_app_register(struct ust_register_msg *msg, int sock) |
198 | { | |
199 | return -ENOSYS; | |
200 | } | |
201 | static inline | |
f2ca2e25 GF |
202 | int ust_app_register_done(int sock) |
203 | { | |
204 | return -ENOSYS; | |
205 | } | |
206 | static inline | |
3bd1e081 MD |
207 | void ust_app_unregister(int sock) |
208 | { | |
209 | } | |
210 | static inline | |
211 | unsigned int ust_app_list_count(void) | |
212 | { | |
213 | return 0; | |
214 | } | |
3bd1e081 MD |
215 | static inline |
216 | void ust_app_lock_list(void) | |
217 | { | |
218 | } | |
219 | static inline | |
220 | void ust_app_unlock_list(void) | |
221 | { | |
222 | } | |
223 | static inline | |
224 | void ust_app_clean_list(void) | |
225 | { | |
226 | } | |
227 | static inline | |
228 | struct ust_app_list *ust_app_get_list(void) | |
229 | { | |
230 | return NULL; | |
231 | } | |
232 | static inline | |
233 | struct ust_app *ust_app_get_by_pid(pid_t pid) | |
234 | { | |
235 | return NULL; | |
236 | } | |
48842b30 | 237 | static inline |
bec39940 | 238 | struct lttng_ht *ust_app_get_ht(void) |
d974f197 DG |
239 | { |
240 | return NULL; | |
241 | } | |
242 | static inline | |
243 | void ust_app_ht_alloc(void) | |
cc920def DG |
244 | {} |
245 | static inline | |
246 | void ust_app_global_update(struct ltt_ust_session *usess, int sock) | |
247 | {} | |
248 | static inline | |
35a9059d | 249 | int 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 | 254 | static inline |
35a9059d | 255 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 256 | struct ltt_ust_channel *uchan) |
487cf67c | 257 | { |
cc920def DG |
258 | return 0; |
259 | } | |
260 | static inline | |
35a9059d | 261 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
cc920def DG |
262 | struct ltt_ust_channel *uchan) |
263 | { | |
264 | return 0; | |
265 | } | |
266 | static inline | |
35a9059d DG |
267 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
268 | struct ltt_ust_channel *uchan) | |
cc920def DG |
269 | { |
270 | return 0; | |
271 | } | |
272 | static inline | |
35a9059d | 273 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, |
cc920def DG |
274 | struct ltt_ust_channel *uchan) |
275 | { | |
276 | return 0; | |
277 | } | |
278 | static inline | |
35a9059d DG |
279 | int 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 | } | |
284 | static inline | |
285 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, | |
cc920def DG |
286 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
287 | { | |
288 | return 0; | |
487cf67c | 289 | } |
edb67388 | 290 | static inline |
35a9059d | 291 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 DG |
292 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
293 | { | |
294 | return 0; | |
295 | } | |
55cc08a6 DG |
296 | static inline |
297 | int 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 | } | |
303 | static inline | |
304 | int 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 | } | |
76d45b40 DG |
309 | static inline |
310 | int 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 | } | |
7f79d3a1 DG |
316 | static inline |
317 | int 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 */ |