Commit | Line | Data |
---|---|---|
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 | ||
ba5d816e MD |
29 | extern int ust_consumer_fd; |
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; | |
41 | char name[16]; | |
42 | }; | |
43 | ||
48842b30 DG |
44 | /* |
45 | * Global applications HT used by the session daemon. | |
46 | */ | |
f6a9efaa DG |
47 | struct cds_lfht *ust_app_ht; |
48 | ||
49 | struct cds_lfht *ust_app_sock_key_map; | |
50 | ||
51 | struct ust_app_key { | |
52 | pid_t pid; | |
53 | int sock; | |
54 | struct cds_lfht_node node; | |
91d76f53 DG |
55 | }; |
56 | ||
48842b30 DG |
57 | struct ust_app_event { |
58 | int enabled; | |
59 | int handle; | |
13161846 | 60 | struct lttng_ust_object_data *obj; |
284d8f55 | 61 | struct lttng_ust_event attr; |
48842b30 DG |
62 | char name[LTTNG_UST_SYM_NAME_LEN]; |
63 | struct cds_lfht *ctx; | |
64 | struct cds_lfht_node node; | |
65 | }; | |
66 | ||
67 | struct ust_app_channel { | |
68 | int enabled; | |
69 | int handle; | |
70 | char name[LTTNG_UST_SYM_NAME_LEN]; | |
71 | struct lttng_ust_channel attr; | |
13161846 | 72 | struct lttng_ust_object_data *obj; |
5af2f756 | 73 | struct ltt_ust_stream_list streams; |
48842b30 DG |
74 | struct cds_lfht *ctx; |
75 | struct cds_lfht *events; | |
76 | struct cds_lfht_node node; | |
77 | }; | |
78 | ||
79 | struct ust_app_session { | |
80 | int enabled; | |
81 | int handle; /* Used has unique identifier */ | |
82 | unsigned int uid; | |
83 | struct ltt_ust_metadata *metadata; | |
13161846 | 84 | struct lttng_ust_object_data *obj; |
48842b30 DG |
85 | struct cds_lfht *channels; /* Registered channels */ |
86 | struct cds_lfht_node node; | |
477d7741 | 87 | char path[PATH_MAX]; |
48842b30 DG |
88 | }; |
89 | ||
f6a9efaa DG |
90 | /* |
91 | * Registered traceable applications. Libust registers to the session daemon | |
050349bb | 92 | * and a linked list is kept of all running traceable app. |
91d76f53 | 93 | */ |
56fff090 | 94 | struct ust_app { |
099e26bd DG |
95 | pid_t ppid; |
96 | uid_t uid; /* User ID that owns the apps */ | |
97 | gid_t gid; /* Group ID that owns the apps */ | |
98 | uint32_t v_major; /* Verion major number */ | |
99 | uint32_t v_minor; /* Verion minor number */ | |
100 | char name[17]; /* Process name (short) */ | |
48842b30 | 101 | struct cds_lfht *sessions; |
f6a9efaa DG |
102 | struct cds_lfht_node node; |
103 | struct ust_app_key key; | |
d80a6244 | 104 | int sock_closed; |
91d76f53 DG |
105 | }; |
106 | ||
74d0b642 | 107 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 108 | |
56fff090 DG |
109 | int ust_app_register(struct ust_register_msg *msg, int sock); |
110 | void ust_app_unregister(int sock); | |
5b4a0ec0 | 111 | int ust_app_create_channel_all(struct ltt_ust_session *usess, |
48842b30 | 112 | struct ltt_ust_channel *uchan); |
5b4a0ec0 | 113 | int ust_app_create_event_all(struct ltt_ust_session *usess, |
48842b30 | 114 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
f6a9efaa | 115 | unsigned long ust_app_list_count(void); |
421cb601 DG |
116 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app); |
117 | int ust_app_start_trace_all(struct ltt_ust_session *usess); | |
b551a063 | 118 | int ust_app_list_events(struct lttng_event **events); |
487cf67c | 119 | void ust_app_global_update(struct ltt_ust_session *usess, int sock); |
91d76f53 | 120 | |
56fff090 | 121 | void ust_app_clean_list(void); |
f6a9efaa DG |
122 | void ust_app_ht_alloc(void); |
123 | struct cds_lfht *ust_app_get_ht(void); | |
124 | struct ust_app *ust_app_find_by_pid(pid_t pid); | |
44d3bd01 | 125 | |
74d0b642 | 126 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 127 | |
d974f197 | 128 | static inline |
421cb601 DG |
129 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
130 | { | |
131 | return 0; | |
132 | } | |
133 | static inline | |
134 | int ust_app_start_trace_all(struct ltt_ust_session *usess) | |
d974f197 | 135 | { |
5cf5d0e7 | 136 | return 0; |
d974f197 | 137 | } |
3bd1e081 | 138 | static inline |
b551a063 DG |
139 | int ust_app_list_events(struct lttng_event **events) |
140 | { | |
141 | return 0; | |
142 | } | |
143 | static inline | |
3bd1e081 MD |
144 | int ust_app_register(struct ust_register_msg *msg, int sock) |
145 | { | |
146 | return -ENOSYS; | |
147 | } | |
148 | static inline | |
149 | void ust_app_unregister(int sock) | |
150 | { | |
151 | } | |
152 | static inline | |
153 | unsigned int ust_app_list_count(void) | |
154 | { | |
155 | return 0; | |
156 | } | |
3bd1e081 MD |
157 | static inline |
158 | void ust_app_lock_list(void) | |
159 | { | |
160 | } | |
161 | static inline | |
162 | void ust_app_unlock_list(void) | |
163 | { | |
164 | } | |
165 | static inline | |
166 | void ust_app_clean_list(void) | |
167 | { | |
168 | } | |
169 | static inline | |
170 | struct ust_app_list *ust_app_get_list(void) | |
171 | { | |
172 | return NULL; | |
173 | } | |
174 | static inline | |
175 | struct ust_app *ust_app_get_by_pid(pid_t pid) | |
176 | { | |
177 | return NULL; | |
178 | } | |
48842b30 | 179 | static inline |
421cb601 | 180 | int ust_app_add_channel_all(struct ltt_ust_session *usess, |
48842b30 DG |
181 | struct ltt_ust_channel *uchan) |
182 | { | |
183 | return 0; | |
184 | } | |
d974f197 | 185 | static inline |
421cb601 | 186 | int ust_app_add_event_all(struct ltt_ust_session *usess, |
d974f197 DG |
187 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
188 | { | |
5cf5d0e7 | 189 | return 0; |
d974f197 DG |
190 | } |
191 | static inline | |
192 | struct cds_lfht *ust_app_get_ht(void) | |
193 | { | |
194 | return NULL; | |
195 | } | |
196 | static inline | |
197 | void ust_app_ht_alloc(void) | |
198 | { | |
199 | } | |
487cf67c DG |
200 | static inline |
201 | void ust_app_global_update(struct ltt_ust_session *usess, int sock) | |
202 | { | |
203 | } | |
48842b30 | 204 | |
74d0b642 | 205 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 206 | |
f6a9efaa | 207 | #endif /* _LTT_UST_APP_H */ |