projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 97ee3a89 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 | |
| 6 | * as published by the Free Software Foundation; only version 2 | |
| 7 | * of the License. | |
| 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 | ||
| 19 | #ifndef _LTT_TRACE_UST_H | |
| 20 | #define _LTT_TRACE_UST_H | |
| 21 | ||
| 22 | #include <limits.h> | |
| 23 | #include <urcu/list.h> | |
| 24 | ||
| 25 | #include <lttng/lttng.h> | |
| 26 | #include <lttng-ust.h> | |
| 27 | ||
| 0177d773 DG |
28 | #include "traceable-app.h" |
| 29 | ||
| 30 | /* | |
| 31 | * UST session list. | |
| 32 | */ | |
| 33 | struct ltt_ust_session_list { | |
| 34 | unsigned int count; | |
| 35 | struct cds_list_head head; | |
| 36 | }; | |
| 37 | ||
| 97ee3a89 DG |
38 | /* UST event list */ |
| 39 | struct ltt_ust_event_list { | |
| 40 | unsigned int count; | |
| 41 | struct cds_list_head head; | |
| 42 | }; | |
| 43 | ||
| 44 | /* UST Channel list */ | |
| 45 | struct ltt_ust_channel_list { | |
| 46 | unsigned int count; | |
| 47 | struct cds_list_head head; | |
| 48 | }; | |
| 49 | ||
| 50 | /* UST event */ | |
| 51 | struct ltt_ust_event { | |
| 52 | int handle; | |
| 53 | int enabled; | |
| 54 | struct lttng_ust_context *ctx; | |
| 55 | struct lttng_ust_event *event; | |
| 56 | struct cds_list_head list; | |
| 57 | }; | |
| 58 | ||
| 59 | /* UST channel */ | |
| 60 | struct ltt_ust_channel { | |
| 61 | int handle; | |
| 62 | int enabled; | |
| 63 | char *name; | |
| 64 | char *trace_path; /* Trace file path name */ | |
| 65 | struct lttng_ust_context *ctx; | |
| 66 | struct lttng_ust_channel *attr; | |
| 67 | struct ltt_ust_event_list events; | |
| 68 | struct cds_list_head list; | |
| 69 | }; | |
| 70 | ||
| 71 | /* UST Metadata */ | |
| 72 | struct ltt_ust_metadata { | |
| 73 | int handle; | |
| 74 | char *trace_path; /* Trace file path name */ | |
| 75 | struct lttng_ust_channel *attr; | |
| 76 | }; | |
| 77 | ||
| 78 | /* UST session */ | |
| 79 | struct ltt_ust_session { | |
| 80 | int handle; | |
| 81 | int enabled; | |
| 82 | int uconsumer_fds_sent; | |
| 83 | char *path; | |
| 0177d773 | 84 | struct ltt_traceable_app *app; |
| 97ee3a89 DG |
85 | struct ltt_ust_metadata *metadata; |
| 86 | struct ltt_ust_channel_list channels; | |
| 0177d773 | 87 | struct cds_list_head list; |
| 97ee3a89 DG |
88 | }; |
| 89 | ||
| 90 | /* | |
| 91 | * Lookup functions. NULL is returned if not found. | |
| 92 | */ | |
| 93 | struct ltt_ust_event *trace_ust_get_event_by_name( | |
| 94 | char *name, struct ltt_ust_channel *channel); | |
| 95 | struct ltt_ust_channel *trace_ust_get_channel_by_name( | |
| 96 | char *name, struct ltt_ust_session *session); | |
| 0177d773 DG |
97 | struct ltt_ust_session *trace_ust_get_session_by_pid(pid_t pid, |
| 98 | struct ltt_ust_session_list *session_list); | |
| 97ee3a89 DG |
99 | |
| 100 | /* | |
| 101 | * Create functions malloc() the data structure. | |
| 102 | */ | |
| 0177d773 | 103 | struct ltt_ust_session *trace_ust_create_session(char *path, pid_t pid); |
| 97ee3a89 DG |
104 | struct ltt_ust_channel *trace_ust_create_channel(char *name, char *path, |
| 105 | struct lttng_ust_channel *attr); | |
| 106 | struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev); | |
| 107 | struct ltt_ust_metadata *trace_ust_create_metadata(char *path); | |
| 108 | ||
| 109 | /* | |
| 110 | * Destroy functions free() the data structure and remove from linked list if | |
| 111 | * it's applies. | |
| 112 | */ | |
| 113 | void trace_ust_destroy_session(struct ltt_ust_session *session); | |
| 114 | void trace_ust_destroy_metadata(struct ltt_ust_metadata *metadata); | |
| 115 | void trace_ust_destroy_channel(struct ltt_ust_channel *channel); | |
| 116 | void trace_ust_destroy_event(struct ltt_ust_event *event); | |
| 117 | ||
| 118 | #endif /* _LTT_TRACE_UST_H */ |