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 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 | ||
48842b30 DG |
58 | struct ust_app_event { |
59 | int enabled; | |
60 | int handle; | |
13161846 | 61 | struct lttng_ust_object_data *obj; |
284d8f55 | 62 | struct lttng_ust_event attr; |
48842b30 DG |
63 | char name[LTTNG_UST_SYM_NAME_LEN]; |
64 | struct cds_lfht *ctx; | |
65 | struct cds_lfht_node node; | |
66 | }; | |
67 | ||
68 | struct ust_app_channel { | |
69 | int enabled; | |
70 | int handle; | |
71 | char name[LTTNG_UST_SYM_NAME_LEN]; | |
72 | struct lttng_ust_channel attr; | |
13161846 | 73 | struct lttng_ust_object_data *obj; |
5af2f756 | 74 | struct ltt_ust_stream_list streams; |
48842b30 DG |
75 | struct cds_lfht *ctx; |
76 | struct cds_lfht *events; | |
77 | struct cds_lfht_node node; | |
78 | }; | |
79 | ||
80 | struct ust_app_session { | |
81 | int enabled; | |
8be98f9a MD |
82 | /* started: has the session been in started state at any time ? */ |
83 | int started; /* allows detection of start vs restart. */ | |
48842b30 DG |
84 | int handle; /* Used has unique identifier */ |
85 | unsigned int uid; | |
86 | struct ltt_ust_metadata *metadata; | |
48842b30 DG |
87 | struct cds_lfht *channels; /* Registered channels */ |
88 | struct cds_lfht_node node; | |
477d7741 | 89 | char path[PATH_MAX]; |
48842b30 DG |
90 | }; |
91 | ||
f6a9efaa DG |
92 | /* |
93 | * Registered traceable applications. Libust registers to the session daemon | |
050349bb | 94 | * and a linked list is kept of all running traceable app. |
91d76f53 | 95 | */ |
56fff090 | 96 | struct ust_app { |
099e26bd DG |
97 | pid_t ppid; |
98 | uid_t uid; /* User ID that owns the apps */ | |
aea829b3 | 99 | gid_t gid; /* Group ID that owns the apps */ |
7753dea8 | 100 | int bits_per_long; |
099e26bd DG |
101 | uint32_t v_major; /* Verion major number */ |
102 | uint32_t v_minor; /* Verion minor number */ | |
103 | char name[17]; /* Process name (short) */ | |
48842b30 | 104 | struct cds_lfht *sessions; |
f6a9efaa DG |
105 | struct cds_lfht_node node; |
106 | struct ust_app_key key; | |
91d76f53 DG |
107 | }; |
108 | ||
74d0b642 | 109 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 110 | |
56fff090 DG |
111 | int ust_app_register(struct ust_register_msg *msg, int sock); |
112 | void ust_app_unregister(int sock); | |
5b4a0ec0 | 113 | int ust_app_create_channel_all(struct ltt_ust_session *usess, |
48842b30 | 114 | struct ltt_ust_channel *uchan); |
5b4a0ec0 | 115 | int ust_app_create_event_all(struct ltt_ust_session *usess, |
48842b30 | 116 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
f6a9efaa | 117 | unsigned long ust_app_list_count(void); |
421cb601 | 118 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app); |
8be98f9a | 119 | int ust_app_stop_trace(struct ltt_ust_session *usess, struct ust_app *app); |
421cb601 | 120 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 121 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 MD |
122 | int ust_app_destroy_trace(struct ltt_ust_session *usess, struct ust_app *app); |
123 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); | |
b551a063 | 124 | int ust_app_list_events(struct lttng_event **events); |
78f0bacd DG |
125 | int ust_app_disable_channel_all(struct ltt_ust_session *usess, |
126 | struct ltt_ust_channel *uchan); | |
127 | int ust_app_enable_channel_all(struct ltt_ust_session *usess, | |
128 | struct ltt_ust_channel *uchan); | |
edb67388 DG |
129 | int ust_app_enable_event_all(struct ltt_ust_session *usess, |
130 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
9730260e DG |
131 | int ust_app_disable_event_all(struct ltt_ust_session *usess, |
132 | struct ltt_ust_channel *uchan); | |
b0a40d28 DG |
133 | int ust_app_disable_event(struct ltt_ust_session *usess, |
134 | struct ltt_ust_channel *uchan, char *event_name); | |
487cf67c | 135 | void ust_app_global_update(struct ltt_ust_session *usess, int sock); |
91d76f53 | 136 | |
56fff090 | 137 | void ust_app_clean_list(void); |
f6a9efaa DG |
138 | void ust_app_ht_alloc(void); |
139 | struct cds_lfht *ust_app_get_ht(void); | |
140 | struct ust_app *ust_app_find_by_pid(pid_t pid); | |
44d3bd01 | 141 | |
74d0b642 | 142 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 143 | |
cc920def DG |
144 | static inline |
145 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess) | |
146 | { | |
147 | return 0; | |
148 | } | |
d974f197 | 149 | static inline |
421cb601 DG |
150 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
151 | { | |
152 | return 0; | |
153 | } | |
154 | static inline | |
155 | int ust_app_start_trace_all(struct ltt_ust_session *usess) | |
d974f197 | 156 | { |
5cf5d0e7 | 157 | return 0; |
d974f197 | 158 | } |
3bd1e081 | 159 | static inline |
cc920def DG |
160 | int ust_app_stop_trace_all(struct ltt_ust_session *usess) |
161 | { | |
162 | return 0; | |
163 | } | |
164 | static inline | |
b551a063 DG |
165 | int ust_app_list_events(struct lttng_event **events) |
166 | { | |
167 | return 0; | |
168 | } | |
169 | static inline | |
3bd1e081 MD |
170 | int ust_app_register(struct ust_register_msg *msg, int sock) |
171 | { | |
172 | return -ENOSYS; | |
173 | } | |
174 | static inline | |
175 | void ust_app_unregister(int sock) | |
176 | { | |
177 | } | |
178 | static inline | |
179 | unsigned int ust_app_list_count(void) | |
180 | { | |
181 | return 0; | |
182 | } | |
3bd1e081 MD |
183 | static inline |
184 | void ust_app_lock_list(void) | |
185 | { | |
186 | } | |
187 | static inline | |
188 | void ust_app_unlock_list(void) | |
189 | { | |
190 | } | |
191 | static inline | |
192 | void ust_app_clean_list(void) | |
193 | { | |
194 | } | |
195 | static inline | |
196 | struct ust_app_list *ust_app_get_list(void) | |
197 | { | |
198 | return NULL; | |
199 | } | |
200 | static inline | |
201 | struct ust_app *ust_app_get_by_pid(pid_t pid) | |
202 | { | |
203 | return NULL; | |
204 | } | |
48842b30 | 205 | static inline |
421cb601 | 206 | int ust_app_add_channel_all(struct ltt_ust_session *usess, |
48842b30 DG |
207 | struct ltt_ust_channel *uchan) |
208 | { | |
209 | return 0; | |
210 | } | |
d974f197 | 211 | static inline |
421cb601 | 212 | int ust_app_add_event_all(struct ltt_ust_session *usess, |
d974f197 DG |
213 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
214 | { | |
5cf5d0e7 | 215 | return 0; |
d974f197 DG |
216 | } |
217 | static inline | |
218 | struct cds_lfht *ust_app_get_ht(void) | |
219 | { | |
220 | return NULL; | |
221 | } | |
222 | static inline | |
223 | void ust_app_ht_alloc(void) | |
cc920def DG |
224 | {} |
225 | static inline | |
226 | void ust_app_global_update(struct ltt_ust_session *usess, int sock) | |
227 | {} | |
228 | static inline | |
229 | int ust_app_disable_channel_all(struct ltt_ust_session *usess, | |
230 | struct ltt_ust_channel *uchan) | |
d974f197 | 231 | { |
cc920def | 232 | return 0; |
d974f197 | 233 | } |
487cf67c | 234 | static inline |
cc920def DG |
235 | int ust_app_enable_channel_all(struct ltt_ust_session *usess, |
236 | struct ltt_ust_channel *uchan) | |
487cf67c | 237 | { |
cc920def DG |
238 | return 0; |
239 | } | |
240 | static inline | |
241 | int ust_app_disable_event_all(struct ltt_ust_session *usess, | |
242 | struct ltt_ust_channel *uchan) | |
243 | { | |
244 | return 0; | |
245 | } | |
246 | static inline | |
247 | int ust_app_disable_event(struct ltt_ust_session *usess, | |
248 | struct ltt_ust_channel *uchan, char *event_name) | |
249 | { | |
250 | return 0; | |
251 | } | |
252 | static inline | |
253 | int ust_app_create_channel_all(struct ltt_ust_session *usess, | |
254 | struct ltt_ust_channel *uchan) | |
255 | { | |
256 | return 0; | |
257 | } | |
258 | static inline | |
259 | int ust_app_create_event_all(struct ltt_ust_session *usess, | |
260 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) | |
261 | { | |
262 | return 0; | |
487cf67c | 263 | } |
edb67388 DG |
264 | static inline |
265 | int ust_app_enable_event_all(struct ltt_ust_session *usess, | |
266 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) | |
267 | { | |
268 | return 0; | |
269 | } | |
48842b30 | 270 | |
74d0b642 | 271 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 272 | |
f6a9efaa | 273 | #endif /* _LTT_UST_APP_H */ |