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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 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 | 29 | extern int ust_consumerd64_fd, ust_consumerd32_fd; |
ba5d816e | 30 | |
099e26bd DG |
31 | /* |
32 | * Application registration data structure. | |
33 | */ | |
34 | struct 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 |
48 | struct cds_lfht *ust_app_ht; |
49 | ||
50 | struct cds_lfht *ust_app_sock_key_map; | |
51 | ||
52 | struct ust_app_key { | |
53 | pid_t pid; | |
54 | int sock; | |
55 | struct cds_lfht_node node; | |
91d76f53 DG |
56 | }; |
57 | ||
55cc08a6 DG |
58 | struct 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 |
65 | struct 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 | ||
75 | struct 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 | ||
87 | struct 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. */ | |
48842b30 DG |
91 | int handle; /* Used has unique identifier */ |
92 | unsigned int uid; | |
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 | 103 | struct 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 |
118 | int ust_app_register(struct ust_register_msg *msg, int sock); |
119 | void ust_app_unregister(int sock); | |
f6a9efaa | 120 | unsigned long ust_app_list_count(void); |
421cb601 | 121 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app); |
8be98f9a | 122 | int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app); |
421cb601 | 123 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 124 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 MD |
125 | int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app); |
126 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); | |
b551a063 | 127 | int ust_app_list_events(struct lttng_event **events); |
35a9059d DG |
128 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
129 | struct ltt_ust_channel *uchan); | |
130 | int ust_app_create_event_glb(struct ltt_ust_session *usess, | |
131 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
132 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, | |
78f0bacd | 133 | struct ltt_ust_channel *uchan); |
35a9059d | 134 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 135 | struct ltt_ust_channel *uchan); |
35a9059d | 136 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 | 137 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
35a9059d DG |
138 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
139 | struct ltt_ust_channel *uchan); | |
140 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, | |
9730260e | 141 | struct ltt_ust_channel *uchan); |
35a9059d DG |
142 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
143 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
55cc08a6 DG |
144 | int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess, |
145 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
146 | struct ltt_ust_context *uctx); | |
147 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, | |
148 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx); | |
487cf67c | 149 | void ust_app_global_update(struct ltt_ust_session *usess, int sock); |
91d76f53 | 150 | |
56fff090 | 151 | void ust_app_clean_list(void); |
f6a9efaa DG |
152 | void ust_app_ht_alloc(void); |
153 | struct cds_lfht *ust_app_get_ht(void); | |
154 | struct ust_app *ust_app_find_by_pid(pid_t pid); | |
44d3bd01 | 155 | |
74d0b642 | 156 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 157 | |
cc920def DG |
158 | static inline |
159 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess) | |
160 | { | |
161 | return 0; | |
162 | } | |
d974f197 | 163 | static inline |
421cb601 DG |
164 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
165 | { | |
166 | return 0; | |
167 | } | |
168 | static inline | |
169 | int ust_app_start_trace_all(struct ltt_ust_session *usess) | |
d974f197 | 170 | { |
5cf5d0e7 | 171 | return 0; |
d974f197 | 172 | } |
3bd1e081 | 173 | static inline |
cc920def DG |
174 | int ust_app_stop_trace_all(struct ltt_ust_session *usess) |
175 | { | |
176 | return 0; | |
177 | } | |
178 | static inline | |
b551a063 DG |
179 | int ust_app_list_events(struct lttng_event **events) |
180 | { | |
181 | return 0; | |
182 | } | |
183 | static inline | |
3bd1e081 MD |
184 | int ust_app_register(struct ust_register_msg *msg, int sock) |
185 | { | |
186 | return -ENOSYS; | |
187 | } | |
188 | static inline | |
189 | void ust_app_unregister(int sock) | |
190 | { | |
191 | } | |
192 | static inline | |
193 | unsigned int ust_app_list_count(void) | |
194 | { | |
195 | return 0; | |
196 | } | |
3bd1e081 MD |
197 | static inline |
198 | void ust_app_lock_list(void) | |
199 | { | |
200 | } | |
201 | static inline | |
202 | void ust_app_unlock_list(void) | |
203 | { | |
204 | } | |
205 | static inline | |
206 | void ust_app_clean_list(void) | |
207 | { | |
208 | } | |
209 | static inline | |
210 | struct ust_app_list *ust_app_get_list(void) | |
211 | { | |
212 | return NULL; | |
213 | } | |
214 | static inline | |
215 | struct ust_app *ust_app_get_by_pid(pid_t pid) | |
216 | { | |
217 | return NULL; | |
218 | } | |
48842b30 | 219 | static inline |
d974f197 DG |
220 | struct cds_lfht *ust_app_get_ht(void) |
221 | { | |
222 | return NULL; | |
223 | } | |
224 | static inline | |
225 | void ust_app_ht_alloc(void) | |
cc920def DG |
226 | {} |
227 | static inline | |
228 | void ust_app_global_update(struct ltt_ust_session *usess, int sock) | |
229 | {} | |
230 | static inline | |
35a9059d | 231 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 232 | struct ltt_ust_channel *uchan) |
d974f197 | 233 | { |
cc920def | 234 | return 0; |
d974f197 | 235 | } |
487cf67c | 236 | static inline |
35a9059d | 237 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 238 | struct ltt_ust_channel *uchan) |
487cf67c | 239 | { |
cc920def DG |
240 | return 0; |
241 | } | |
242 | static inline | |
35a9059d | 243 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
cc920def DG |
244 | struct ltt_ust_channel *uchan) |
245 | { | |
246 | return 0; | |
247 | } | |
248 | static inline | |
35a9059d DG |
249 | int ust_app_disable_all_event_glb(struct ltt_ust_session *usess, |
250 | struct ltt_ust_channel *uchan) | |
cc920def DG |
251 | { |
252 | return 0; | |
253 | } | |
254 | static inline | |
35a9059d | 255 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, |
cc920def DG |
256 | struct ltt_ust_channel *uchan) |
257 | { | |
258 | return 0; | |
259 | } | |
260 | static inline | |
35a9059d DG |
261 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
262 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) | |
263 | { | |
264 | return 0; | |
265 | } | |
266 | static inline | |
267 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, | |
cc920def DG |
268 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
269 | { | |
270 | return 0; | |
487cf67c | 271 | } |
edb67388 | 272 | static inline |
35a9059d | 273 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 DG |
274 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
275 | { | |
276 | return 0; | |
277 | } | |
55cc08a6 DG |
278 | static inline |
279 | int ust_app_add_ctx_event_glb(struct ltt_ust_session *usess, | |
280 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
281 | struct ltt_ust_context *uctx) | |
282 | { | |
283 | return 0; | |
284 | } | |
285 | static inline | |
286 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, | |
287 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx) | |
288 | { | |
289 | return 0; | |
290 | } | |
48842b30 | 291 | |
74d0b642 | 292 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 293 | |
f6a9efaa | 294 | #endif /* _LTT_UST_APP_H */ |