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