Commit | Line | Data |
---|---|---|
c7e35b03 JR |
1 | /* |
2 | * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com> | |
3 | * - Olivier Cotte <olivier.cotte@polymtl.ca> | |
e10b6a1c | 4 | * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com> |
c7e35b03 JR |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License, version 2 only, as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along with | |
16 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
17 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | */ | |
19 | ||
6c1c0768 | 20 | #define _LGPL_SOURCE |
f40ef1d5 | 21 | #include <common/config/session-config.h> |
41af1adf | 22 | #include <common/defaults.h> |
50534d6f | 23 | #include <lttng/snapshot-internal.h> |
fb83fe64 | 24 | #include <lttng/channel.h> |
c7e35b03 JR |
25 | #include "mi-lttng.h" |
26 | ||
5e18ec73 JR |
27 | #include <assert.h> |
28 | ||
e10b6a1c JG |
29 | #define MI_SCHEMA_MAJOR_VERSION 3 |
30 | #define MI_SCHEMA_MINOR_VERSION 0 | |
31 | ||
32 | /* Machine interface namespace URI */ | |
c8ecdbb0 JG |
33 | LTTNG_HIDDEN const char * const mi_lttng_xmlns = "xmlns"; |
34 | LTTNG_HIDDEN const char * const mi_lttng_xmlns_xsi = "xmlns:xsi"; | |
35 | LTTNG_HIDDEN const char * const mi_lttng_w3_schema_uri = "http://www.w3.org/2001/XMLSchema-instance"; | |
36 | LTTNG_HIDDEN const char * const mi_lttng_schema_location = "xsi:schemaLocation"; | |
37 | LTTNG_HIDDEN const char * const mi_lttng_schema_location_uri = | |
41af1adf | 38 | DEFAULT_LTTNG_MI_NAMESPACE " " |
e10b6a1c JG |
39 | "http://lttng.org/xml/schemas/lttng-mi/" XSTR(MI_SCHEMA_MAJOR_VERSION) |
40 | "/lttng-mi-" XSTR(MI_SCHEMA_MAJOR_VERSION) "." | |
41 | XSTR(MI_SCHEMA_MINOR_VERSION) ".xsd"; | |
c8ecdbb0 JG |
42 | LTTNG_HIDDEN const char * const mi_lttng_schema_version = "schemaVersion"; |
43 | LTTNG_HIDDEN const char * const mi_lttng_schema_version_value = XSTR(MI_SCHEMA_MAJOR_VERSION) | |
e10b6a1c JG |
44 | "." XSTR(MI_SCHEMA_MINOR_VERSION); |
45 | ||
c7e35b03 JR |
46 | /* Strings related to command */ |
47 | const char * const mi_lttng_element_command = "command"; | |
f4a088f7 JRJ |
48 | const char * const mi_lttng_element_command_action = "snapshot_action"; |
49 | const char * const mi_lttng_element_command_add_context = "add-context"; | |
f4a088f7 JRJ |
50 | const char * const mi_lttng_element_command_create = "create"; |
51 | const char * const mi_lttng_element_command_destroy = "destroy"; | |
52 | const char * const mi_lttng_element_command_disable_channel = "disable-channel"; | |
53 | const char * const mi_lttng_element_command_disable_event = "disable-event"; | |
54 | const char * const mi_lttng_element_command_enable_channels = "enable-channel"; | |
89476427 | 55 | const char * const mi_lttng_element_command_enable_event = "enable-event"; |
c7e35b03 | 56 | const char * const mi_lttng_element_command_list = "list"; |
1734c658 | 57 | const char * const mi_lttng_element_command_load = "load"; |
c8ecdbb0 JG |
58 | LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata = "metadata"; |
59 | LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata_action = "metadata_action"; | |
eded6438 JD |
60 | LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate = "regenerate"; |
61 | LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate_action = "regenerate_action"; | |
f4a088f7 JRJ |
62 | const char * const mi_lttng_element_command_name = "name"; |
63 | const char * const mi_lttng_element_command_output = "output"; | |
64 | const char * const mi_lttng_element_command_save = "save"; | |
65 | const char * const mi_lttng_element_command_set_session = "set-session"; | |
66 | const char * const mi_lttng_element_command_snapshot = "snapshot"; | |
67 | const char * const mi_lttng_element_command_snapshot_add = "add_snapshot"; | |
68 | const char * const mi_lttng_element_command_snapshot_del = "del_snapshot"; | |
69 | const char * const mi_lttng_element_command_snapshot_list = "list_snapshot"; | |
70 | const char * const mi_lttng_element_command_snapshot_record = "record_snapshot"; | |
1cfc0bc8 | 71 | const char * const mi_lttng_element_command_start = "start"; |
e5b83100 | 72 | const char * const mi_lttng_element_command_stop = "stop"; |
1734c658 | 73 | const char * const mi_lttng_element_command_success = "success"; |
ccf10263 MD |
74 | const char * const mi_lttng_element_command_track = "track"; |
75 | const char * const mi_lttng_element_command_untrack = "untrack"; | |
f4a088f7 | 76 | const char * const mi_lttng_element_command_version = "version"; |
d68c9a04 | 77 | const char * const mi_lttng_element_command_rotate = "rotate"; |
259c2674 JD |
78 | const char * const mi_lttng_element_command_enable_rotation = "enable-rotation"; |
79 | const char * const mi_lttng_element_command_disable_rotation = "disable-rotation"; | |
c7e35b03 | 80 | |
1734c658 | 81 | /* Strings related to version command */ |
c7e35b03 | 82 | const char * const mi_lttng_element_version = "version"; |
314d5222 | 83 | const char * const mi_lttng_element_version_commit = "commit"; |
f4a088f7 | 84 | const char * const mi_lttng_element_version_description = "description"; |
c7e35b03 | 85 | const char * const mi_lttng_element_version_license = "license"; |
f4a088f7 JRJ |
86 | const char * const mi_lttng_element_version_major = "major"; |
87 | const char * const mi_lttng_element_version_minor = "minor"; | |
c7e35b03 | 88 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; |
f4a088f7 JRJ |
89 | const char * const mi_lttng_element_version_str = "string"; |
90 | const char * const mi_lttng_element_version_web = "url"; | |
1734c658 | 91 | |
5e18ec73 JR |
92 | /* String related to a lttng_event_field */ |
93 | const char * const mi_lttng_element_event_field = "event_field"; | |
94 | const char * const mi_lttng_element_event_fields = "event_fields"; | |
95 | ||
89b72577 | 96 | /* String related to lttng_event_perf_counter_ctx */ |
a23cb78a | 97 | const char * const mi_lttng_element_perf_counter_context = "perf"; |
89b72577 | 98 | |
f4a088f7 | 99 | /* Strings related to pid */ |
bf239d4c | 100 | const char * const mi_lttng_element_pid_id = "id"; |
f4a088f7 JRJ |
101 | |
102 | /* Strings related to save command */ | |
103 | const char * const mi_lttng_element_save = "save"; | |
104 | ||
105 | /* Strings related to load command */ | |
106 | const char * const mi_lttng_element_load = "load"; | |
23cb2d55 JR |
107 | LTTNG_HIDDEN const char * const mi_lttng_element_load_overrides = "overrides"; |
108 | LTTNG_HIDDEN const char * const mi_lttng_element_load_override_url = "url"; | |
f4a088f7 | 109 | |
5e18ec73 | 110 | /* General elements of mi_lttng */ |
f4a088f7 JRJ |
111 | const char * const mi_lttng_element_empty = ""; |
112 | const char * const mi_lttng_element_id = "id"; | |
113 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
114 | const char * const mi_lttng_element_success = "success"; | |
5e18ec73 JR |
115 | const char * const mi_lttng_element_type_enum = "ENUM"; |
116 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
f4a088f7 JRJ |
117 | const char * const mi_lttng_element_type_integer = "INTEGER"; |
118 | const char * const mi_lttng_element_type_other = "OTHER"; | |
5e18ec73 | 119 | const char * const mi_lttng_element_type_string = "STRING"; |
5e18ec73 JR |
120 | |
121 | /* String related to loglevel */ | |
122 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
123 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
124 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
125 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
126 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
127 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
128 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
129 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
130 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
131 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
132 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
133 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
134 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
135 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
136 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
137 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
138 | ||
136f2f81 JRJ |
139 | /* String related to loglevel JUL */ |
140 | const char * const mi_lttng_loglevel_str_jul_all = "JUL_ALL"; | |
141 | const char * const mi_lttng_loglevel_str_jul_config = "JUL_CONFIG"; | |
142 | const char * const mi_lttng_loglevel_str_jul_fine = "JUL_FINE"; | |
143 | const char * const mi_lttng_loglevel_str_jul_finer = "JUL_FINER"; | |
144 | const char * const mi_lttng_loglevel_str_jul_finest = "JUL_FINEST"; | |
145 | const char * const mi_lttng_loglevel_str_jul_info = "JUL_INFO"; | |
146 | const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF"; | |
147 | const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE"; | |
148 | const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING"; | |
149 | ||
970d848b DG |
150 | /* String related to loglevel LOG4J */ |
151 | const char * const mi_lttng_loglevel_str_log4j_off = "LOG4J_OFF"; | |
152 | const char * const mi_lttng_loglevel_str_log4j_fatal = "LOG4J_FATAL"; | |
153 | const char * const mi_lttng_loglevel_str_log4j_error = "LOG4J_ERROR"; | |
154 | const char * const mi_lttng_loglevel_str_log4j_warn = "LOG4J_WARN"; | |
155 | const char * const mi_lttng_loglevel_str_log4j_info = "LOG4J_INFO"; | |
156 | const char * const mi_lttng_loglevel_str_log4j_debug = "LOG4J_DEBUG"; | |
157 | const char * const mi_lttng_loglevel_str_log4j_trace = "LOG4J_TRACE"; | |
158 | const char * const mi_lttng_loglevel_str_log4j_all = "LOG4J_ALL"; | |
159 | ||
0e115563 DG |
160 | /* String related to loglevel Python */ |
161 | const char * const mi_lttng_loglevel_str_python_critical = "PYTHON_CRITICAL"; | |
162 | const char * const mi_lttng_loglevel_str_python_error = "PYTHON_ERROR"; | |
163 | const char * const mi_lttng_loglevel_str_python_warning = "PYTHON_WARNING"; | |
164 | const char * const mi_lttng_loglevel_str_python_info = "PYTHON_INFO"; | |
165 | const char * const mi_lttng_loglevel_str_python_debug = "PYTHON_DEBUG"; | |
166 | const char * const mi_lttng_loglevel_str_python_notset = "PYTHON_NOTSET"; | |
167 | ||
1734c658 | 168 | /* String related to loglevel type */ |
5e18ec73 JR |
169 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
170 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
171 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
172 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
173 | ||
50534d6f | 174 | /* String related to a lttng_snapshot_output */ |
50534d6f | 175 | const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url"; |
f4a088f7 | 176 | const char * const mi_lttng_element_snapshot_data_url = "data_url"; |
50534d6f | 177 | const char * const mi_lttng_element_snapshot_max_size = "max_size"; |
f4a088f7 JRJ |
178 | const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr"; |
179 | const char * const mi_lttng_element_snapshot_session_name = "session_name"; | |
180 | const char * const mi_lttng_element_snapshots = "snapshots"; | |
5e18ec73 | 181 | |
ebbf5ab7 | 182 | /* String related to track/untrack command */ |
ebbf5ab7 JR |
183 | const char * const mi_lttng_element_track_untrack_all_wildcard = "*"; |
184 | ||
d68c9a04 JD |
185 | LTTNG_HIDDEN const char * const mi_lttng_element_session_name = "session_name"; |
186 | ||
187 | /* String related to rotate command */ | |
188 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation = "rotation"; | |
189 | LTTNG_HIDDEN const char * const mi_lttng_element_rotations = "rotations"; | |
190 | LTTNG_HIDDEN const char * const mi_lttng_element_rotate_status = "status"; | |
259c2674 | 191 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule = "rotation_schedule"; |
d68c9a04 | 192 | |
ae8c46e0 JG |
193 | /* Deprecated symbols preserved for ABI compatibility. */ |
194 | const char * const mi_lttng_context_type_perf_counter; | |
195 | const char * const mi_lttng_context_type_perf_cpu_counter; | |
196 | const char * const mi_lttng_context_type_perf_thread_counter; | |
197 | const char * const mi_lttng_element_track_untrack_pid_target; | |
198 | const char * const mi_lttng_element_track_untrack_targets; | |
95057847 PP |
199 | const char * const mi_lttng_element_calibrate; |
200 | const char * const mi_lttng_element_calibrate_function; | |
201 | const char * const mi_lttng_element_command_calibrate; | |
ebbf5ab7 | 202 | |
136f2f81 JRJ |
203 | /* This is a merge of jul loglevel and regular loglevel |
204 | * Those should never overlap by definition | |
205 | * (see struct lttng_event loglevel) | |
206 | */ | |
ea75976a | 207 | LTTNG_HIDDEN |
970d848b | 208 | const char *mi_lttng_loglevel_string(int value, enum lttng_domain_type domain) |
5e18ec73 | 209 | { |
970d848b DG |
210 | switch (domain) { |
211 | case LTTNG_DOMAIN_KERNEL: | |
212 | case LTTNG_DOMAIN_UST: | |
213 | switch (value) { | |
214 | case -1: | |
215 | return mi_lttng_element_empty; | |
216 | case LTTNG_LOGLEVEL_EMERG: | |
217 | return mi_lttng_loglevel_str_emerg; | |
218 | case LTTNG_LOGLEVEL_ALERT: | |
219 | return mi_lttng_loglevel_str_alert; | |
220 | case LTTNG_LOGLEVEL_CRIT: | |
221 | return mi_lttng_loglevel_str_crit; | |
222 | case LTTNG_LOGLEVEL_ERR: | |
223 | return mi_lttng_loglevel_str_err; | |
224 | case LTTNG_LOGLEVEL_WARNING: | |
225 | return mi_lttng_loglevel_str_warning; | |
226 | case LTTNG_LOGLEVEL_NOTICE: | |
227 | return mi_lttng_loglevel_str_notice; | |
228 | case LTTNG_LOGLEVEL_INFO: | |
229 | return mi_lttng_loglevel_str_info; | |
230 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
231 | return mi_lttng_loglevel_str_debug_system; | |
232 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
233 | return mi_lttng_loglevel_str_debug_program; | |
234 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
235 | return mi_lttng_loglevel_str_debug_process; | |
236 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
237 | return mi_lttng_loglevel_str_debug_module; | |
238 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
239 | return mi_lttng_loglevel_str_debug_unit; | |
240 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
241 | return mi_lttng_loglevel_str_debug_function; | |
242 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
243 | return mi_lttng_loglevel_str_debug_line; | |
244 | case LTTNG_LOGLEVEL_DEBUG: | |
245 | return mi_lttng_loglevel_str_debug; | |
246 | default: | |
247 | return mi_lttng_loglevel_str_unknown; | |
248 | } | |
249 | break; | |
250 | case LTTNG_DOMAIN_LOG4J: | |
251 | switch (value) { | |
252 | case -1: | |
253 | return mi_lttng_element_empty; | |
254 | case LTTNG_LOGLEVEL_LOG4J_OFF: | |
255 | return mi_lttng_loglevel_str_log4j_off; | |
256 | case LTTNG_LOGLEVEL_LOG4J_FATAL: | |
257 | return mi_lttng_loglevel_str_log4j_fatal; | |
258 | case LTTNG_LOGLEVEL_LOG4J_ERROR: | |
259 | return mi_lttng_loglevel_str_log4j_error; | |
260 | case LTTNG_LOGLEVEL_LOG4J_WARN: | |
261 | return mi_lttng_loglevel_str_log4j_warn; | |
262 | case LTTNG_LOGLEVEL_LOG4J_INFO: | |
263 | return mi_lttng_loglevel_str_log4j_info; | |
264 | case LTTNG_LOGLEVEL_LOG4J_DEBUG: | |
265 | return mi_lttng_loglevel_str_log4j_debug; | |
266 | case LTTNG_LOGLEVEL_LOG4J_TRACE: | |
267 | return mi_lttng_loglevel_str_log4j_trace; | |
268 | case LTTNG_LOGLEVEL_LOG4J_ALL: | |
269 | return mi_lttng_loglevel_str_log4j_all; | |
270 | default: | |
271 | return mi_lttng_loglevel_str_unknown; | |
272 | } | |
273 | break; | |
274 | case LTTNG_DOMAIN_JUL: | |
275 | switch (value) { | |
276 | case -1: | |
277 | return mi_lttng_element_empty; | |
278 | case LTTNG_LOGLEVEL_JUL_OFF: | |
279 | return mi_lttng_loglevel_str_jul_off; | |
280 | case LTTNG_LOGLEVEL_JUL_SEVERE: | |
281 | return mi_lttng_loglevel_str_jul_severe; | |
282 | case LTTNG_LOGLEVEL_JUL_WARNING: | |
283 | return mi_lttng_loglevel_str_jul_warning; | |
284 | case LTTNG_LOGLEVEL_JUL_INFO: | |
285 | return mi_lttng_loglevel_str_jul_info; | |
286 | case LTTNG_LOGLEVEL_JUL_CONFIG: | |
287 | return mi_lttng_loglevel_str_jul_config; | |
288 | case LTTNG_LOGLEVEL_JUL_FINE: | |
289 | return mi_lttng_loglevel_str_jul_fine; | |
290 | case LTTNG_LOGLEVEL_JUL_FINER: | |
291 | return mi_lttng_loglevel_str_jul_finer; | |
292 | case LTTNG_LOGLEVEL_JUL_FINEST: | |
293 | return mi_lttng_loglevel_str_jul_finest; | |
294 | case LTTNG_LOGLEVEL_JUL_ALL: | |
295 | return mi_lttng_loglevel_str_jul_all; | |
296 | default: | |
297 | return mi_lttng_loglevel_str_unknown; | |
298 | } | |
299 | break; | |
0e115563 DG |
300 | case LTTNG_DOMAIN_PYTHON: |
301 | switch (value) { | |
302 | case LTTNG_LOGLEVEL_PYTHON_CRITICAL: | |
303 | return mi_lttng_loglevel_str_python_critical; | |
304 | case LTTNG_LOGLEVEL_PYTHON_ERROR: | |
305 | return mi_lttng_loglevel_str_python_error; | |
306 | case LTTNG_LOGLEVEL_PYTHON_WARNING: | |
307 | return mi_lttng_loglevel_str_python_warning; | |
308 | case LTTNG_LOGLEVEL_PYTHON_INFO: | |
309 | return mi_lttng_loglevel_str_python_info; | |
310 | case LTTNG_LOGLEVEL_PYTHON_DEBUG: | |
311 | return mi_lttng_loglevel_str_python_debug; | |
312 | case LTTNG_LOGLEVEL_PYTHON_NOTSET: | |
313 | return mi_lttng_loglevel_str_python_notset; | |
314 | default: | |
315 | return mi_lttng_loglevel_str_unknown; | |
316 | } | |
317 | break; | |
bc2718d1 JG |
318 | default: |
319 | return mi_lttng_loglevel_str_unknown; | |
5e18ec73 JR |
320 | } |
321 | } | |
322 | ||
ea75976a | 323 | LTTNG_HIDDEN |
5e18ec73 JR |
324 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) |
325 | { | |
326 | switch (value) { | |
327 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
328 | return mi_lttng_loglevel_type_all; | |
329 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
330 | return mi_lttng_loglevel_type_range; | |
331 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
332 | return mi_lttng_loglevel_type_single; | |
333 | default: | |
334 | return mi_lttng_loglevel_type_unknown; | |
335 | } | |
336 | } | |
337 | ||
ea75976a | 338 | LTTNG_HIDDEN |
5e18ec73 JR |
339 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) |
340 | { | |
341 | switch (value) { | |
342 | case LTTNG_EVENT_ALL: | |
343 | return config_event_type_all; | |
344 | case LTTNG_EVENT_TRACEPOINT: | |
345 | return config_event_type_tracepoint; | |
346 | case LTTNG_EVENT_PROBE: | |
347 | return config_event_type_probe; | |
348 | case LTTNG_EVENT_FUNCTION: | |
349 | return config_event_type_function; | |
350 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
351 | return config_event_type_function_entry; | |
352 | case LTTNG_EVENT_SYSCALL: | |
353 | return config_event_type_syscall; | |
354 | case LTTNG_EVENT_NOOP: | |
355 | return config_event_type_noop; | |
356 | default: | |
357 | return mi_lttng_element_empty; | |
358 | } | |
359 | } | |
360 | ||
a23cb78a | 361 | static |
89b72577 JRJ |
362 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
363 | { | |
364 | switch (val) { | |
365 | case LTTNG_EVENT_CONTEXT_PID: | |
366 | return config_event_context_pid; | |
89b72577 JRJ |
367 | case LTTNG_EVENT_CONTEXT_PROCNAME: |
368 | return config_event_context_procname; | |
369 | case LTTNG_EVENT_CONTEXT_PRIO: | |
370 | return config_event_context_prio; | |
371 | case LTTNG_EVENT_CONTEXT_NICE: | |
372 | return config_event_context_nice; | |
373 | case LTTNG_EVENT_CONTEXT_VPID: | |
374 | return config_event_context_vpid; | |
375 | case LTTNG_EVENT_CONTEXT_TID: | |
376 | return config_event_context_tid; | |
377 | case LTTNG_EVENT_CONTEXT_VTID: | |
378 | return config_event_context_vtid; | |
379 | case LTTNG_EVENT_CONTEXT_PPID: | |
380 | return config_event_context_ppid; | |
381 | case LTTNG_EVENT_CONTEXT_VPPID: | |
382 | return config_event_context_vppid; | |
383 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
384 | return config_event_context_pthread_id; | |
385 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
386 | return config_event_context_hostname; | |
387 | case LTTNG_EVENT_CONTEXT_IP: | |
388 | return config_event_context_ip; | |
a72332c3 JR |
389 | case LTTNG_EVENT_CONTEXT_INTERRUPTIBLE: |
390 | return config_event_context_interruptible; | |
391 | case LTTNG_EVENT_CONTEXT_PREEMPTIBLE: | |
392 | return config_event_context_preemptible; | |
393 | case LTTNG_EVENT_CONTEXT_NEED_RESCHEDULE: | |
394 | return config_event_context_need_reschedule; | |
395 | case LTTNG_EVENT_CONTEXT_MIGRATABLE: | |
396 | return config_event_context_migratable; | |
89b72577 JRJ |
397 | default: |
398 | return NULL; | |
399 | } | |
400 | } | |
401 | ||
ea75976a | 402 | LTTNG_HIDDEN |
5e18ec73 JR |
403 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
404 | { | |
405 | switch (val) { | |
406 | case(LTTNG_EVENT_FIELD_INTEGER): | |
407 | return mi_lttng_element_type_integer; | |
408 | case(LTTNG_EVENT_FIELD_ENUM): | |
409 | return mi_lttng_element_type_enum; | |
410 | case(LTTNG_EVENT_FIELD_FLOAT): | |
411 | return mi_lttng_element_type_float; | |
412 | case(LTTNG_EVENT_FIELD_STRING): | |
413 | return mi_lttng_element_type_string; | |
414 | default: | |
415 | return mi_lttng_element_type_other; | |
416 | } | |
417 | } | |
418 | ||
ea75976a | 419 | LTTNG_HIDDEN |
5e18ec73 JR |
420 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) |
421 | { | |
422 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
423 | switch (value) { | |
424 | case LTTNG_DOMAIN_KERNEL: | |
425 | return config_domain_type_kernel; | |
426 | case LTTNG_DOMAIN_UST: | |
427 | return config_domain_type_ust; | |
428 | case LTTNG_DOMAIN_JUL: | |
429 | return config_domain_type_jul; | |
5cdb6027 DG |
430 | case LTTNG_DOMAIN_LOG4J: |
431 | return config_domain_type_log4j; | |
b789735e PP |
432 | case LTTNG_DOMAIN_PYTHON: |
433 | return config_domain_type_python; | |
5e18ec73 JR |
434 | default: |
435 | /* Should not have an unknown domain */ | |
436 | assert(0); | |
2855532e | 437 | return NULL; |
5e18ec73 JR |
438 | } |
439 | } | |
440 | ||
ea75976a | 441 | LTTNG_HIDDEN |
5e18ec73 JR |
442 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) |
443 | { | |
444 | switch (value) { | |
445 | case LTTNG_BUFFER_PER_PID: | |
446 | return config_buffer_type_per_pid; | |
447 | case LTTNG_BUFFER_PER_UID: | |
448 | return config_buffer_type_per_uid; | |
449 | case LTTNG_BUFFER_GLOBAL: | |
450 | return config_buffer_type_global; | |
451 | default: | |
452 | /* Should not have an unknow buffer type */ | |
453 | assert(0); | |
2855532e | 454 | return NULL; |
5e18ec73 JR |
455 | } |
456 | } | |
457 | ||
c7e35b03 JR |
458 | LTTNG_HIDDEN |
459 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
460 | { | |
461 | struct mi_writer *mi_writer; | |
462 | ||
463 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
464 | if (!mi_writer) { | |
465 | PERROR("zmalloc mi_writer_create"); | |
466 | goto end; | |
467 | } | |
468 | if (mi_output_type == LTTNG_MI_XML) { | |
705bb62f | 469 | mi_writer->writer = config_writer_create(fd_output, 0); |
c7e35b03 JR |
470 | if (!mi_writer->writer) { |
471 | goto err_destroy; | |
472 | } | |
473 | mi_writer->type = LTTNG_MI_XML; | |
474 | } else { | |
475 | goto err_destroy; | |
476 | } | |
477 | ||
478 | end: | |
479 | return mi_writer; | |
480 | ||
481 | err_destroy: | |
482 | free(mi_writer); | |
483 | return NULL; | |
484 | } | |
485 | ||
486 | LTTNG_HIDDEN | |
487 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
488 | { | |
489 | int ret; | |
490 | ||
491 | if (!writer) { | |
492 | ret = -EINVAL; | |
493 | goto end; | |
494 | } | |
495 | ||
496 | ret = config_writer_destroy(writer->writer); | |
497 | if (ret < 0) { | |
498 | goto end; | |
499 | } | |
500 | ||
501 | free(writer); | |
502 | end: | |
503 | return ret; | |
504 | } | |
505 | ||
506 | LTTNG_HIDDEN | |
507 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
508 | { | |
509 | int ret; | |
510 | ||
e10b6a1c JG |
511 | /* |
512 | * A command is always the MI's root node, it must declare the current | |
513 | * namespace and schema URIs and the schema's version. | |
514 | */ | |
515 | ret = config_writer_open_element(writer->writer, | |
516 | mi_lttng_element_command); | |
517 | if (ret) { | |
518 | goto end; | |
519 | } | |
520 | ||
521 | ret = config_writer_write_attribute(writer->writer, | |
41af1adf | 522 | mi_lttng_xmlns, DEFAULT_LTTNG_MI_NAMESPACE); |
e10b6a1c JG |
523 | if (ret) { |
524 | goto end; | |
525 | } | |
526 | ||
527 | ret = config_writer_write_attribute(writer->writer, | |
528 | mi_lttng_xmlns_xsi, mi_lttng_w3_schema_uri); | |
c7e35b03 JR |
529 | if (ret) { |
530 | goto end; | |
531 | } | |
e10b6a1c JG |
532 | |
533 | ret = config_writer_write_attribute(writer->writer, | |
534 | mi_lttng_schema_location, | |
535 | mi_lttng_schema_location_uri); | |
536 | if (ret) { | |
537 | goto end; | |
538 | } | |
539 | ||
540 | ret = config_writer_write_attribute(writer->writer, | |
541 | mi_lttng_schema_version, | |
542 | mi_lttng_schema_version_value); | |
543 | if (ret) { | |
544 | goto end; | |
545 | } | |
546 | ||
c7e35b03 JR |
547 | ret = mi_lttng_writer_write_element_string(writer, |
548 | mi_lttng_element_command_name, command); | |
549 | end: | |
550 | return ret; | |
551 | } | |
552 | ||
553 | LTTNG_HIDDEN | |
554 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
555 | { | |
556 | return mi_lttng_writer_close_element(writer); | |
557 | } | |
558 | ||
559 | LTTNG_HIDDEN | |
560 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
561 | const char *element_name) | |
562 | { | |
563 | return config_writer_open_element(writer->writer, element_name); | |
564 | } | |
565 | ||
566 | LTTNG_HIDDEN | |
567 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
568 | { | |
569 | return config_writer_close_element(writer->writer); | |
570 | } | |
571 | ||
5e18ec73 JR |
572 | LTTNG_HIDDEN |
573 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
574 | unsigned int nb_element) | |
575 | { | |
576 | int ret, i; | |
577 | ||
578 | if (nb_element < 1) { | |
579 | ret = 0; | |
580 | goto end; | |
581 | } | |
582 | for (i = 0; i < nb_element; i++) { | |
583 | ret = mi_lttng_writer_close_element(writer); | |
584 | if (ret) { | |
585 | goto end; | |
586 | } | |
587 | } | |
588 | end: | |
589 | return ret; | |
590 | } | |
591 | ||
c7e35b03 JR |
592 | LTTNG_HIDDEN |
593 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
594 | const char *element_name, uint64_t value) | |
595 | { | |
596 | return config_writer_write_element_unsigned_int(writer->writer, | |
597 | element_name, value); | |
598 | } | |
599 | ||
600 | LTTNG_HIDDEN | |
601 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
602 | const char *element_name, int64_t value) | |
603 | { | |
604 | return config_writer_write_element_signed_int(writer->writer, | |
605 | element_name, value); | |
606 | } | |
607 | ||
608 | LTTNG_HIDDEN | |
609 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
610 | const char *element_name, int value) | |
611 | { | |
612 | return config_writer_write_element_bool(writer->writer, | |
613 | element_name, value); | |
614 | } | |
615 | ||
616 | LTTNG_HIDDEN | |
617 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
618 | const char *element_name, const char *value) | |
619 | { | |
620 | return config_writer_write_element_string(writer->writer, | |
621 | element_name, value); | |
622 | } | |
623 | ||
624 | LTTNG_HIDDEN | |
625 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
626 | const char *lttng_description, const char *lttng_license) | |
627 | { | |
628 | int ret; | |
629 | ||
630 | /* Open version */ | |
631 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
632 | if (ret) { | |
633 | goto end; | |
634 | } | |
635 | ||
636 | /* Version string (contain info like rc etc.) */ | |
637 | ret = mi_lttng_writer_write_element_string(writer, | |
782f3c61 | 638 | mi_lttng_element_version_str, version->version); |
c7e35b03 JR |
639 | if (ret) { |
640 | goto end; | |
641 | } | |
642 | ||
643 | /* Major version number */ | |
644 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
645 | mi_lttng_element_version_major, version->version_major); | |
646 | if (ret) { | |
647 | goto end; | |
648 | } | |
649 | ||
650 | /* Minor version number */ | |
651 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
652 | mi_lttng_element_version_minor, version->version_minor); | |
653 | if (ret) { | |
654 | goto end; | |
655 | } | |
656 | ||
314d5222 JRJ |
657 | /* Commit version number */ |
658 | ret = mi_lttng_writer_write_element_string(writer, | |
659 | mi_lttng_element_version_commit, version->version_commit); | |
660 | if (ret) { | |
661 | goto end; | |
662 | } | |
663 | ||
c7e35b03 JR |
664 | /* Patch number */ |
665 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
666 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
667 | if (ret) { | |
668 | goto end; | |
669 | } | |
670 | ||
671 | /* Name of the version */ | |
672 | ret = mi_lttng_writer_write_element_string(writer, | |
673 | config_element_name, version->version_name); | |
674 | if (ret) { | |
675 | goto end; | |
676 | } | |
677 | ||
678 | /* Description mostly related to beer... */ | |
679 | ret = mi_lttng_writer_write_element_string(writer, | |
680 | mi_lttng_element_version_description, lttng_description); | |
681 | if (ret) { | |
682 | goto end; | |
683 | } | |
684 | ||
685 | /* url */ | |
686 | ret = mi_lttng_writer_write_element_string(writer, | |
687 | mi_lttng_element_version_web, version->package_url); | |
688 | if (ret) { | |
689 | goto end; | |
690 | } | |
691 | ||
692 | /* License: free as in free beer...no...*speech* */ | |
693 | ret = mi_lttng_writer_write_element_string(writer, | |
694 | mi_lttng_element_version_license, lttng_license); | |
695 | if (ret) { | |
696 | goto end; | |
697 | } | |
698 | ||
699 | /* Close version element */ | |
700 | ret = mi_lttng_writer_close_element(writer); | |
701 | ||
702 | end: | |
703 | return ret; | |
704 | } | |
705 | ||
5e18ec73 JR |
706 | LTTNG_HIDDEN |
707 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
708 | { | |
709 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
710 | } | |
711 | ||
c7e35b03 JR |
712 | LTTNG_HIDDEN |
713 | int mi_lttng_session(struct mi_writer *writer, | |
714 | struct lttng_session *session, int is_open) | |
715 | { | |
716 | int ret; | |
717 | ||
5e18ec73 JR |
718 | assert(session); |
719 | ||
720 | /* Open sessions element */ | |
c7e35b03 JR |
721 | ret = mi_lttng_writer_open_element(writer, |
722 | config_element_session); | |
723 | if (ret) { | |
724 | goto end; | |
725 | } | |
726 | ||
727 | /* Name of the session */ | |
728 | ret = mi_lttng_writer_write_element_string(writer, | |
729 | config_element_name, session->name); | |
730 | if (ret) { | |
731 | goto end; | |
732 | } | |
733 | ||
5e18ec73 | 734 | /* Path */ |
c7e35b03 JR |
735 | ret = mi_lttng_writer_write_element_string(writer, |
736 | config_element_path, session->path); | |
737 | if (ret) { | |
738 | goto end; | |
739 | } | |
740 | ||
5e18ec73 JR |
741 | /* Enabled ? */ |
742 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
743 | config_element_enabled, session->enabled); |
744 | if (ret) { | |
745 | goto end; | |
746 | } | |
747 | ||
5e18ec73 | 748 | /* Snapshot mode */ |
c7e35b03 JR |
749 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
750 | config_element_snapshot_mode, session->snapshot_mode); | |
751 | if (ret) { | |
752 | goto end; | |
753 | } | |
754 | ||
5e18ec73 | 755 | /* Live timer interval in usec */ |
c7e35b03 JR |
756 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
757 | config_element_live_timer_interval, | |
758 | session->live_timer_interval); | |
759 | if (ret) { | |
760 | goto end; | |
761 | } | |
762 | ||
763 | if (!is_open) { | |
764 | /* Closing session element */ | |
765 | ret = mi_lttng_writer_close_element(writer); | |
766 | } | |
767 | end: | |
768 | return ret; | |
769 | ||
770 | } | |
5e18ec73 JR |
771 | |
772 | LTTNG_HIDDEN | |
773 | int mi_lttng_domains_open(struct mi_writer *writer) | |
774 | { | |
775 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
776 | } | |
777 | ||
778 | LTTNG_HIDDEN | |
779 | int mi_lttng_domain(struct mi_writer *writer, | |
780 | struct lttng_domain *domain, int is_open) | |
781 | { | |
782 | int ret = 0; | |
783 | const char *str_domain; | |
784 | const char *str_buffer; | |
785 | ||
786 | assert(domain); | |
787 | ||
788 | /* Open domain element */ | |
789 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
790 | if (ret) { | |
791 | goto end; | |
792 | } | |
793 | ||
794 | /* Domain Type */ | |
795 | str_domain = mi_lttng_domaintype_string(domain->type); | |
796 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
797 | str_domain); | |
798 | if (ret) { | |
799 | goto end; | |
800 | } | |
801 | ||
802 | /* Buffer Type */ | |
803 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
804 | ret = mi_lttng_writer_write_element_string(writer, | |
805 | config_element_buffer_type, str_buffer); | |
806 | if (ret) { | |
807 | goto end; | |
808 | } | |
809 | ||
d813f89b JRJ |
810 | /* TODO: union attr |
811 | * This union is not currently used and was added for | |
812 | * future ust domain support. | |
813 | * Date: 25-06-2014 | |
814 | * */ | |
5e18ec73 JR |
815 | |
816 | if (!is_open) { | |
817 | /* Closing domain element */ | |
818 | ret = mi_lttng_writer_close_element(writer); | |
819 | } | |
820 | ||
821 | end: | |
822 | return ret; | |
823 | ||
824 | } | |
825 | ||
826 | LTTNG_HIDDEN | |
827 | int mi_lttng_channels_open(struct mi_writer *writer) | |
828 | { | |
829 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
830 | } | |
831 | ||
832 | LTTNG_HIDDEN | |
833 | int mi_lttng_channel(struct mi_writer *writer, | |
834 | struct lttng_channel *channel, int is_open) | |
835 | { | |
836 | int ret = 0; | |
837 | ||
838 | assert(channel); | |
839 | ||
840 | /* Opening channel element */ | |
841 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
842 | if (ret) { | |
843 | goto end; | |
844 | } | |
845 | ||
846 | /* Name */ | |
847 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
848 | channel->name); | |
849 | if (ret) { | |
850 | goto end; | |
851 | } | |
852 | ||
853 | /* Enabled ? */ | |
854 | ret = mi_lttng_writer_write_element_bool(writer, | |
855 | config_element_enabled, channel->enabled); | |
856 | if (ret) { | |
857 | goto end; | |
858 | } | |
859 | ||
860 | /* Attribute */ | |
861 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
862 | if (ret) { | |
863 | goto end; | |
864 | } | |
865 | ||
866 | if (!is_open) { | |
867 | /* Closing channel element */ | |
868 | ret = mi_lttng_writer_close_element(writer); | |
869 | if (ret) { | |
870 | goto end; | |
871 | } | |
872 | } | |
873 | end: | |
874 | return ret; | |
875 | } | |
876 | ||
877 | LTTNG_HIDDEN | |
878 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
879 | struct lttng_channel_attr *attr) | |
880 | { | |
881 | int ret = 0; | |
fb83fe64 JD |
882 | struct lttng_channel *chan = caa_container_of(attr, |
883 | struct lttng_channel, attr); | |
cf0bcb51 | 884 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 885 | int64_t blocking_timeout; |
5e18ec73 JR |
886 | |
887 | assert(attr); | |
888 | ||
fb83fe64 JD |
889 | ret = lttng_channel_get_discarded_event_count(chan, &discarded_events); |
890 | if (ret) { | |
891 | goto end; | |
892 | } | |
893 | ||
894 | ret = lttng_channel_get_lost_packet_count(chan, &lost_packets); | |
895 | if (ret) { | |
896 | goto end; | |
897 | } | |
898 | ||
cf0bcb51 JG |
899 | ret = lttng_channel_get_monitor_timer_interval(chan, |
900 | &monitor_timer_interval); | |
901 | if (ret) { | |
902 | goto end; | |
903 | } | |
904 | ||
491d1539 MD |
905 | ret = lttng_channel_get_blocking_timeout(chan, |
906 | &blocking_timeout); | |
907 | if (ret) { | |
908 | goto end; | |
909 | } | |
910 | ||
5e18ec73 JR |
911 | /* Opening Attributes */ |
912 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
913 | if (ret) { | |
914 | goto end; | |
915 | } | |
916 | ||
917 | /* Overwrite */ | |
918 | ret = mi_lttng_writer_write_element_string(writer, | |
919 | config_element_overwrite_mode, | |
920 | attr->overwrite ? config_overwrite_mode_overwrite : | |
921 | config_overwrite_mode_discard); | |
922 | if (ret) { | |
923 | goto end; | |
924 | } | |
925 | ||
926 | /* Sub buffer size in byte */ | |
927 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
928 | config_element_subbuf_size, attr->subbuf_size); | |
929 | if (ret) { | |
930 | goto end; | |
931 | } | |
932 | ||
933 | /* Number of subbuffer (power of two) */ | |
934 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
935 | config_element_num_subbuf, | |
936 | attr->num_subbuf); | |
937 | if (ret) { | |
938 | goto end; | |
939 | } | |
940 | ||
941 | /* Switch timer interval in usec */ | |
942 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
943 | config_element_switch_timer_interval, | |
944 | attr->switch_timer_interval); | |
945 | if (ret) { | |
946 | goto end; | |
947 | } | |
948 | ||
949 | /* Read timer interval in usec */ | |
950 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
951 | config_element_read_timer_interval, | |
952 | attr->read_timer_interval); | |
953 | if (ret) { | |
954 | goto end; | |
955 | } | |
956 | ||
cf0bcb51 JG |
957 | /* Monitor timer interval in usec */ |
958 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
959 | config_element_monitor_timer_interval, | |
960 | monitor_timer_interval); | |
961 | if (ret) { | |
962 | goto end; | |
963 | } | |
964 | ||
491d1539 MD |
965 | /* Retry timeout in usec */ |
966 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
967 | config_element_blocking_timeout, | |
968 | blocking_timeout); | |
969 | if (ret) { | |
970 | goto end; | |
971 | } | |
972 | ||
5e18ec73 JR |
973 | /* Event output */ |
974 | ret = mi_lttng_writer_write_element_string(writer, | |
975 | config_element_output_type, | |
976 | attr->output == LTTNG_EVENT_SPLICE ? | |
977 | config_output_type_splice : config_output_type_mmap); | |
978 | if (ret) { | |
979 | goto end; | |
980 | } | |
981 | ||
982 | /* Tracefile size in bytes */ | |
983 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
984 | config_element_tracefile_size, attr->tracefile_size); | |
985 | if (ret) { | |
986 | goto end; | |
987 | } | |
988 | ||
989 | /* Count of tracefiles */ | |
990 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
991 | config_element_tracefile_count, | |
992 | attr->tracefile_count); | |
993 | if (ret) { | |
994 | goto end; | |
995 | } | |
996 | ||
997 | /* Live timer interval in usec*/ | |
998 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
999 | config_element_live_timer_interval, | |
1000 | attr->live_timer_interval); | |
1001 | if (ret) { | |
fb83fe64 JD |
1002 | goto end; |
1003 | } | |
1004 | ||
1005 | /* Discarded events */ | |
1006 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1007 | config_element_discarded_events, | |
1008 | discarded_events); | |
1009 | if (ret) { | |
1010 | goto end; | |
1011 | } | |
1012 | ||
1013 | /* Lost packets */ | |
1014 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1015 | config_element_lost_packets, | |
1016 | lost_packets); | |
1017 | if (ret) { | |
5e18ec73 JR |
1018 | goto end; |
1019 | } | |
1020 | ||
1021 | /* Closing attributes */ | |
1022 | ret = mi_lttng_writer_close_element(writer); | |
1023 | if (ret) { | |
1024 | goto end; | |
1025 | } | |
1026 | end: | |
1027 | return ret; | |
1028 | ||
1029 | } | |
1030 | ||
1031 | LTTNG_HIDDEN | |
1032 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
1033 | struct lttng_event *event) | |
1034 | { | |
1035 | int ret; | |
7b4aa11d | 1036 | const char *filter_expression; |
5e18ec73 JR |
1037 | |
1038 | /* Open event element */ | |
1039 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
1040 | if (ret) { | |
1041 | goto end; | |
1042 | } | |
1043 | ||
f4a088f7 | 1044 | /* Event name */ |
5e18ec73 JR |
1045 | ret = mi_lttng_writer_write_element_string(writer, |
1046 | config_element_name, event->name); | |
1047 | if (ret) { | |
1048 | goto end; | |
1049 | } | |
1050 | ||
f4a088f7 | 1051 | /* Event type */ |
5e18ec73 JR |
1052 | ret = mi_lttng_writer_write_element_string(writer, |
1053 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
1054 | if (ret) { | |
1055 | goto end; | |
1056 | } | |
1057 | ||
f4a088f7 | 1058 | /* Is event enabled */ |
5e18ec73 JR |
1059 | ret = mi_lttng_writer_write_element_bool(writer, |
1060 | config_element_enabled, event->enabled); | |
1061 | if (ret) { | |
1062 | goto end; | |
1063 | } | |
1064 | ||
7b4aa11d | 1065 | /* Event filter expression */ |
134e72ed | 1066 | ret = lttng_event_get_filter_expression(event, &filter_expression); |
7b4aa11d PP |
1067 | if (ret) { |
1068 | goto end; | |
1069 | } | |
1070 | ||
1071 | if (filter_expression) { | |
1072 | ret = mi_lttng_writer_write_element_string(writer, | |
654f9f5e JG |
1073 | config_element_filter_expression, |
1074 | filter_expression); | |
7b4aa11d PP |
1075 | if (ret) { |
1076 | goto end; | |
1077 | } | |
1078 | } | |
1079 | ||
5e18ec73 JR |
1080 | end: |
1081 | return ret; | |
1082 | } | |
1083 | ||
eecb9438 PP |
1084 | static int write_event_exclusions(struct mi_writer *writer, |
1085 | struct lttng_event *event) | |
1086 | { | |
1087 | int i; | |
1088 | int ret; | |
1089 | int exclusion_count; | |
1090 | ||
eecb9438 PP |
1091 | /* Open event exclusions */ |
1092 | ret = mi_lttng_writer_open_element(writer, config_element_exclusions); | |
1093 | if (ret) { | |
1094 | goto end; | |
1095 | } | |
1096 | ||
1097 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
1098 | if (exclusion_count < 0) { | |
1099 | ret = exclusion_count; | |
1100 | goto end; | |
1101 | } | |
1102 | ||
1103 | for (i = 0; i < exclusion_count; i++) { | |
1104 | const char *name; | |
1105 | ||
1106 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
1107 | if (ret) { | |
1108 | /* Close exclusions */ | |
1109 | mi_lttng_writer_close_element(writer); | |
1110 | goto end; | |
1111 | } | |
1112 | ||
1113 | ret = mi_lttng_writer_write_element_string(writer, | |
1114 | config_element_exclusion, name); | |
1115 | if (ret) { | |
1116 | /* Close exclusions */ | |
1117 | mi_lttng_writer_close_element(writer); | |
1118 | goto end; | |
1119 | } | |
1120 | } | |
1121 | ||
1122 | /* Close exclusions */ | |
1123 | ret = mi_lttng_writer_close_element(writer); | |
1124 | ||
1125 | end: | |
1126 | return ret; | |
1127 | } | |
1128 | ||
5e18ec73 JR |
1129 | LTTNG_HIDDEN |
1130 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
970d848b | 1131 | struct lttng_event *event, enum lttng_domain_type domain) |
5e18ec73 JR |
1132 | { |
1133 | int ret; | |
1134 | ||
f4a088f7 | 1135 | /* Event loglevel */ |
5e18ec73 | 1136 | ret = mi_lttng_writer_write_element_string(writer, |
970d848b DG |
1137 | config_element_loglevel, |
1138 | mi_lttng_loglevel_string(event->loglevel, domain)); | |
5e18ec73 JR |
1139 | if (ret) { |
1140 | goto end; | |
1141 | } | |
1142 | ||
f4a088f7 | 1143 | /* Log level type */ |
5e18ec73 JR |
1144 | ret = mi_lttng_writer_write_element_string(writer, |
1145 | config_element_loglevel_type, | |
1146 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
1147 | if (ret) { | |
1148 | goto end; | |
1149 | } | |
1150 | ||
eecb9438 PP |
1151 | /* Event exclusions */ |
1152 | ret = write_event_exclusions(writer, event); | |
5e18ec73 JR |
1153 | |
1154 | end: | |
1155 | return ret; | |
1156 | } | |
1157 | ||
1158 | LTTNG_HIDDEN | |
1159 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
1160 | struct lttng_event *event) | |
1161 | { | |
1162 | /* event exclusion filter */ | |
eecb9438 | 1163 | return write_event_exclusions(writer, event); |
5e18ec73 JR |
1164 | } |
1165 | ||
1166 | LTTNG_HIDDEN | |
1167 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
1168 | struct lttng_event *event) | |
1169 | { | |
1170 | int ret; | |
1171 | ||
3b4a6e40 JRJ |
1172 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); |
1173 | if (ret) { | |
1174 | goto end; | |
1175 | } | |
1176 | ||
1177 | ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes); | |
1178 | if (ret) { | |
1179 | goto end; | |
1180 | } | |
1181 | ||
5e18ec73 JR |
1182 | if (event->attr.probe.addr != 0) { |
1183 | /* event probe address */ | |
1184 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1185 | config_element_address, event->attr.probe.addr); | |
1186 | if (ret) { | |
1187 | goto end; | |
1188 | } | |
1189 | } else { | |
1190 | /* event probe offset */ | |
1191 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1192 | config_element_offset, event->attr.probe.offset); | |
1193 | if (ret) { | |
1194 | goto end; | |
1195 | } | |
1196 | ||
1197 | /* event probe symbol_name */ | |
1198 | ret = mi_lttng_writer_write_element_string(writer, | |
1199 | config_element_symbol_name, event->attr.probe.symbol_name); | |
1200 | if (ret) { | |
1201 | goto end; | |
1202 | } | |
1203 | } | |
3b4a6e40 JRJ |
1204 | |
1205 | /* Close probe_attributes and attributes */ | |
1206 | ret = mi_lttng_close_multi_element(writer, 2); | |
5e18ec73 JR |
1207 | end: |
1208 | return ret; | |
1209 | } | |
1210 | ||
1211 | LTTNG_HIDDEN | |
1212 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
1213 | struct lttng_event *event) | |
1214 | { | |
3b4a6e40 JRJ |
1215 | int ret; |
1216 | ||
1217 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
1218 | if (ret) { | |
1219 | goto end; | |
1220 | } | |
1221 | ||
1222 | ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes); | |
1223 | if (ret) { | |
1224 | goto end; | |
1225 | } | |
1226 | ||
5e18ec73 | 1227 | /* event probe symbol_name */ |
3b4a6e40 | 1228 | ret = mi_lttng_writer_write_element_string(writer, |
5e18ec73 | 1229 | config_element_symbol_name, event->attr.ftrace.symbol_name); |
3b4a6e40 JRJ |
1230 | if (ret) { |
1231 | goto end; | |
1232 | } | |
1233 | ||
1234 | /* Close function_attributes and attributes */ | |
1235 | ret = mi_lttng_close_multi_element(writer, 2); | |
1236 | end: | |
1237 | return ret; | |
5e18ec73 JR |
1238 | } |
1239 | ||
1240 | LTTNG_HIDDEN | |
1241 | int mi_lttng_events_open(struct mi_writer *writer) | |
1242 | { | |
1243 | return mi_lttng_writer_open_element(writer, config_element_events); | |
1244 | } | |
1245 | ||
1246 | LTTNG_HIDDEN | |
1247 | int mi_lttng_event(struct mi_writer *writer, | |
970d848b | 1248 | struct lttng_event *event, int is_open, enum lttng_domain_type domain) |
5e18ec73 JR |
1249 | { |
1250 | int ret; | |
1251 | ||
1252 | ret = mi_lttng_event_common_attributes(writer, event); | |
1253 | if (ret) { | |
1254 | goto end; | |
1255 | } | |
1256 | ||
1257 | switch (event->type) { | |
5e18ec73 JR |
1258 | case LTTNG_EVENT_TRACEPOINT: |
1259 | { | |
1260 | if (event->loglevel != -1) { | |
970d848b | 1261 | ret = mi_lttng_event_tracepoint_loglevel(writer, event, domain); |
5e18ec73 JR |
1262 | } else { |
1263 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
1264 | } | |
1265 | break; | |
1266 | } | |
3b4a6e40 JRJ |
1267 | case LTTNG_EVENT_FUNCTION: |
1268 | /* Fallthrough */ | |
5e18ec73 JR |
1269 | case LTTNG_EVENT_PROBE: |
1270 | ret = mi_lttng_event_function_probe(writer, event); | |
1271 | break; | |
1272 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
1273 | ret = mi_lttng_event_function_entry(writer, event); | |
1274 | break; | |
89476427 JRJ |
1275 | case LTTNG_EVENT_ALL: |
1276 | /* Fallthrough */ | |
5e18ec73 JR |
1277 | default: |
1278 | break; | |
1279 | } | |
1280 | ||
1281 | if (!is_open) { | |
1282 | ret = mi_lttng_writer_close_element(writer); | |
1283 | } | |
1284 | ||
1285 | end: | |
1286 | return ret; | |
1287 | } | |
1288 | ||
ebbf5ab7 JR |
1289 | LTTNG_HIDDEN |
1290 | int mi_lttng_trackers_open(struct mi_writer *writer) | |
1291 | { | |
1292 | return mi_lttng_writer_open_element(writer, config_element_trackers); | |
1293 | } | |
1294 | ||
1295 | LTTNG_HIDDEN | |
1296 | int mi_lttng_pid_tracker_open(struct mi_writer *writer) | |
1297 | { | |
1298 | int ret; | |
1299 | ||
1300 | /* Open element pid_tracker */ | |
1301 | ret = mi_lttng_writer_open_element(writer, config_element_pid_tracker); | |
1302 | if (ret) { | |
1303 | goto end; | |
1304 | } | |
1305 | ||
1306 | /* Open targets element */ | |
1307 | ret = mi_lttng_targets_open(writer); | |
1308 | end: | |
1309 | return ret; | |
1310 | } | |
1311 | ||
5e18ec73 JR |
1312 | LTTNG_HIDDEN |
1313 | int mi_lttng_pids_open(struct mi_writer *writer) | |
1314 | { | |
ebbf5ab7 JR |
1315 | return mi_lttng_writer_open_element(writer, config_element_pids); |
1316 | } | |
1317 | ||
bf239d4c JR |
1318 | /* |
1319 | * TODO: move the listing of pid for user agent to process semantic on | |
1320 | * mi api bump. The use of process element break the mi api. | |
1321 | */ | |
ebbf5ab7 | 1322 | LTTNG_HIDDEN |
bf239d4c | 1323 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *name, |
5e18ec73 JR |
1324 | int is_open) |
1325 | { | |
1326 | int ret; | |
1327 | ||
bf239d4c JR |
1328 | /* Open pid process */ |
1329 | ret = mi_lttng_writer_open_element(writer, config_element_pid); | |
5e18ec73 JR |
1330 | if (ret) { |
1331 | goto end; | |
1332 | } | |
1333 | ||
1334 | /* Writing pid number */ | |
1335 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
bf239d4c | 1336 | mi_lttng_element_pid_id, (int)pid); |
5e18ec73 JR |
1337 | if (ret) { |
1338 | goto end; | |
1339 | } | |
1340 | ||
1341 | /* Writing name of the process */ | |
ebbf5ab7 JR |
1342 | if (name) { |
1343 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1344 | name); | |
1345 | if (ret) { | |
1346 | goto end; | |
1347 | } | |
1348 | } | |
1349 | ||
1350 | if (!is_open) { | |
1351 | /* Closing Pid */ | |
1352 | ret = mi_lttng_writer_close_element(writer); | |
1353 | } | |
1354 | ||
1355 | end: | |
1356 | return ret; | |
1357 | } | |
1358 | ||
1359 | LTTNG_HIDDEN | |
1360 | int mi_lttng_targets_open(struct mi_writer *writer) | |
1361 | { | |
1362 | return mi_lttng_writer_open_element(writer, | |
f95771e8 | 1363 | config_element_targets); |
ebbf5ab7 JR |
1364 | } |
1365 | ||
1366 | LTTNG_HIDDEN | |
1367 | int mi_lttng_pid_target(struct mi_writer *writer, pid_t pid, int is_open) | |
1368 | { | |
1369 | int ret; | |
1370 | ||
1371 | ret = mi_lttng_writer_open_element(writer, | |
f95771e8 | 1372 | config_element_target_pid); |
ebbf5ab7 JR |
1373 | if (ret) { |
1374 | goto end; | |
1375 | } | |
1376 | ||
1377 | /* Writing pid number | |
1378 | * Special case for element all on track untrack command | |
1379 | * All pid is represented as wildcard * | |
1380 | */ | |
1381 | if ((int) pid == -1) { | |
1382 | ret = mi_lttng_writer_write_element_string(writer, | |
1383 | config_element_pid, | |
1384 | mi_lttng_element_track_untrack_all_wildcard); | |
1385 | } else { | |
1386 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1387 | config_element_pid, (int) pid); | |
1388 | } | |
5e18ec73 JR |
1389 | if (ret) { |
1390 | goto end; | |
1391 | } | |
1392 | ||
1393 | if (!is_open) { | |
5e18ec73 | 1394 | ret = mi_lttng_writer_close_element(writer); |
ebbf5ab7 JR |
1395 | if (ret) { |
1396 | goto end; | |
1397 | } | |
5e18ec73 JR |
1398 | } |
1399 | ||
1400 | end: | |
1401 | return ret; | |
1402 | } | |
1403 | ||
1404 | LTTNG_HIDDEN | |
1405 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
1406 | { | |
1407 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
1408 | } | |
1409 | ||
1410 | LTTNG_HIDDEN | |
1411 | int mi_lttng_event_field(struct mi_writer *writer, | |
1412 | struct lttng_event_field *field) | |
1413 | { | |
1414 | int ret; | |
1415 | ||
1416 | if (!field->field_name[0]) { | |
5e18ec73 JR |
1417 | ret = 0; |
1418 | goto end; | |
1419 | } | |
1420 | ||
1421 | /* Open field */ | |
1422 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1423 | if (ret) { | |
1424 | goto end; | |
1425 | } | |
1426 | ||
1427 | if (!field->field_name[0]) { | |
1428 | goto close; | |
1429 | } | |
1430 | ||
1431 | /* Name */ | |
1432 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1433 | field->field_name); | |
1434 | if (ret) { | |
1435 | goto end; | |
1436 | } | |
1437 | ||
1438 | /* Type */ | |
1439 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1440 | mi_lttng_eventfieldtype_string(field->type)); | |
1441 | if (ret) { | |
1442 | goto end; | |
1443 | } | |
1444 | ||
1445 | /* nowrite */ | |
1446 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1447 | mi_lttng_element_nowrite, field->nowrite); | |
1448 | if (ret) { | |
1449 | goto end; | |
1450 | } | |
1451 | ||
1452 | close: | |
1453 | /* Close field element */ | |
1454 | ret = mi_lttng_writer_close_element(writer); | |
1455 | ||
1456 | end: | |
1457 | return ret; | |
1458 | } | |
7e66b1b0 | 1459 | |
89b72577 | 1460 | LTTNG_HIDDEN |
a23cb78a JG |
1461 | int mi_lttng_perf_counter_context(struct mi_writer *writer, |
1462 | struct lttng_event_perf_counter_ctx *perf_context) | |
89b72577 JRJ |
1463 | { |
1464 | int ret; | |
a23cb78a JG |
1465 | |
1466 | /* Open perf_counter_context */ | |
1467 | ret = mi_lttng_writer_open_element(writer, | |
1468 | mi_lttng_element_perf_counter_context); | |
89b72577 JRJ |
1469 | if (ret) { |
1470 | goto end; | |
1471 | } | |
1472 | ||
a23cb78a JG |
1473 | /* Type */ |
1474 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1475 | config_element_type, perf_context->type); | |
1476 | if (ret) { | |
89b72577 JRJ |
1477 | goto end; |
1478 | } | |
1479 | ||
a23cb78a JG |
1480 | /* Config */ |
1481 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1482 | config_element_config, perf_context->config); | |
1483 | if (ret) { | |
1484 | goto end; | |
89b72577 JRJ |
1485 | } |
1486 | ||
a23cb78a JG |
1487 | /* Name of the perf counter */ |
1488 | ret = mi_lttng_writer_write_element_string(writer, | |
1489 | config_element_name, perf_context->name); | |
1490 | if (ret) { | |
1491 | goto end; | |
89b72577 JRJ |
1492 | } |
1493 | ||
a23cb78a JG |
1494 | /* Close perf_counter_context */ |
1495 | ret = mi_lttng_writer_close_element(writer); | |
89b72577 JRJ |
1496 | end: |
1497 | return ret; | |
1498 | } | |
1499 | ||
a23cb78a JG |
1500 | static |
1501 | int mi_lttng_app_context(struct mi_writer *writer, | |
1502 | const char *provider_name, const char *ctx_name) | |
89b72577 JRJ |
1503 | { |
1504 | int ret; | |
1505 | ||
a23cb78a | 1506 | /* Open app */ |
89b72577 | 1507 | ret = mi_lttng_writer_open_element(writer, |
a23cb78a | 1508 | config_element_context_app); |
89b72577 JRJ |
1509 | if (ret) { |
1510 | goto end; | |
1511 | } | |
1512 | ||
a23cb78a JG |
1513 | /* provider_name */ |
1514 | ret = mi_lttng_writer_write_element_string(writer, | |
1515 | config_element_context_app_provider_name, | |
1516 | provider_name); | |
89b72577 JRJ |
1517 | if (ret) { |
1518 | goto end; | |
1519 | } | |
1520 | ||
a23cb78a JG |
1521 | /* ctx_name */ |
1522 | ret = mi_lttng_writer_write_element_string(writer, | |
1523 | config_element_context_app_ctx_name, ctx_name); | |
89b72577 JRJ |
1524 | if (ret) { |
1525 | goto end; | |
1526 | } | |
1527 | ||
a23cb78a JG |
1528 | /* Close app */ |
1529 | ret = mi_lttng_writer_close_element(writer); | |
1530 | end: | |
1531 | return ret; | |
1532 | } | |
1533 | ||
1534 | LTTNG_HIDDEN | |
1535 | int mi_lttng_context(struct mi_writer *writer, | |
1536 | struct lttng_event_context *context, int is_open) | |
1537 | { | |
1538 | int ret; | |
1539 | ||
1540 | /* Open context */ | |
1541 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
89b72577 JRJ |
1542 | if (ret) { |
1543 | goto end; | |
1544 | } | |
1545 | ||
a23cb78a JG |
1546 | /* Special case for PERF_*_COUNTER |
1547 | * print the lttng_event_perf_counter_ctx*/ | |
1548 | switch (context->ctx) { | |
1549 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1550 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1551 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1552 | { | |
1553 | struct lttng_event_perf_counter_ctx *perf_context = | |
1554 | &context->u.perf_counter; | |
1555 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1556 | if (ret) { | |
1557 | goto end; | |
1558 | } | |
1559 | break; | |
1560 | } | |
1561 | case LTTNG_EVENT_CONTEXT_APP_CONTEXT: | |
1562 | { | |
1563 | ret = mi_lttng_app_context(writer, | |
1564 | context->u.app_ctx.provider_name, | |
1565 | context->u.app_ctx.ctx_name); | |
1566 | if (ret) { | |
1567 | goto end; | |
1568 | } | |
1569 | break; | |
1570 | } | |
1571 | default: | |
1572 | { | |
1573 | const char *type_string = mi_lttng_event_contexttype_string( | |
1574 | context->ctx); | |
1575 | if (!type_string) { | |
1576 | ret = -LTTNG_ERR_INVALID; | |
1577 | goto end; | |
1578 | } | |
1579 | ||
1580 | /* Print context type */ | |
1581 | ret = mi_lttng_writer_write_element_string(writer, | |
1582 | config_element_type, type_string); | |
1583 | break; | |
1584 | } | |
1585 | } | |
1586 | ||
1587 | /* Close context */ | |
1588 | if (!is_open) { | |
1589 | ret = mi_lttng_writer_close_element(writer); | |
1590 | } | |
1591 | ||
89b72577 JRJ |
1592 | end: |
1593 | return ret; | |
1594 | } | |
50534d6f JRJ |
1595 | |
1596 | LTTNG_HIDDEN | |
1597 | int mi_lttng_snapshot_output_session_name(struct mi_writer *writer, | |
1598 | const char *session_name) | |
1599 | { | |
1600 | int ret; | |
1601 | ||
1602 | /* Open session element */ | |
1603 | ret = mi_lttng_writer_open_element(writer, config_element_session); | |
1604 | if (ret) { | |
1605 | goto end; | |
1606 | } | |
1607 | ||
1608 | /* Snapshot output list for current session name */ | |
1609 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1610 | session_name); | |
01defc26 JR |
1611 | if (ret) { |
1612 | goto end; | |
1613 | } | |
50534d6f JRJ |
1614 | |
1615 | /* Open element snapshots (sequence one snapshot) */ | |
1616 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots); | |
1617 | if (ret) { | |
1618 | goto end; | |
1619 | } | |
1620 | ||
1621 | end: | |
1622 | return ret; | |
1623 | } | |
1624 | ||
1625 | LTTNG_HIDDEN | |
1626 | int mi_lttng_snapshot_list_output(struct mi_writer *writer, | |
1627 | struct lttng_snapshot_output *output) | |
1628 | { | |
1629 | int ret; | |
1630 | ||
1631 | /* Open element snapshot output */ | |
1632 | ret = mi_lttng_writer_open_element(writer, | |
1633 | mi_lttng_element_command_snapshot); | |
1634 | if (ret) { | |
1635 | goto end; | |
1636 | } | |
1637 | ||
1638 | /* ID of the snapshot output */ | |
1639 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1640 | mi_lttng_element_id, output->id); | |
1641 | if (ret) { | |
1642 | goto end; | |
1643 | } | |
1644 | ||
1645 | /* Name of the output */ | |
1646 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1647 | output->name); | |
1648 | if (ret) { | |
1649 | goto end; | |
1650 | } | |
1651 | ||
1652 | /* Destination of the output (ctrl_url)*/ | |
1653 | ret = mi_lttng_writer_write_element_string(writer, | |
1654 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1655 | if (ret) { | |
1656 | goto end; | |
1657 | } | |
1658 | ||
1659 | /* Destination of the output (data_url) */ | |
1660 | ret = mi_lttng_writer_write_element_string(writer, | |
1661 | mi_lttng_element_snapshot_data_url, output->data_url); | |
1662 | if (ret) { | |
1663 | goto end; | |
1664 | } | |
1665 | ||
1666 | /* total size of all stream combined */ | |
1667 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1668 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1669 | if (ret) { | |
1670 | goto end; | |
1671 | } | |
1672 | ||
1673 | /* Close snapshot output element */ | |
1674 | ret = mi_lttng_writer_close_element(writer); | |
1675 | ||
1676 | end: | |
1677 | return ret; | |
1678 | } | |
1679 | ||
1680 | LTTNG_HIDDEN | |
1681 | int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id, | |
1682 | const char *name, const char *current_session_name) | |
1683 | { | |
1684 | int ret; | |
1685 | ||
1686 | /* Open element del_snapshot */ | |
1687 | ret = mi_lttng_writer_open_element(writer, | |
1688 | mi_lttng_element_command_snapshot); | |
1689 | if (ret) { | |
1690 | goto end; | |
1691 | } | |
1692 | ||
1693 | ||
1694 | if (id != UINT32_MAX) { | |
1695 | /* "Snapshot output "id" successfully deleted | |
1696 | * for "current_session_name" | |
1697 | * ID of the snapshot output | |
1698 | */ | |
1699 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1700 | mi_lttng_element_id, id); | |
1701 | if (ret) { | |
1702 | goto end; | |
1703 | } | |
1704 | } else { | |
1705 | /* "Snapshot output "name" successfully deleted | |
1706 | * for session "current_session_name" | |
1707 | * Name of the output | |
1708 | */ | |
1709 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1710 | name); | |
1711 | if (ret) { | |
1712 | goto end; | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | /* Snapshot was deleted for session "current_session_name"*/ | |
1717 | ret = mi_lttng_writer_write_element_string(writer, | |
1718 | mi_lttng_element_snapshot_session_name, | |
1719 | current_session_name); | |
1720 | if (ret) { | |
1721 | goto end; | |
1722 | } | |
1723 | ||
1724 | /* Close snapshot element */ | |
1725 | ret = mi_lttng_writer_close_element(writer); | |
1726 | ||
1727 | end: | |
1728 | return ret; | |
1729 | } | |
1730 | ||
1731 | LTTNG_HIDDEN | |
1732 | int mi_lttng_snapshot_add_output(struct mi_writer *writer, | |
1733 | const char *current_session_name, const char *n_ptr, | |
1734 | struct lttng_snapshot_output *output) | |
1735 | { | |
1736 | int ret; | |
1737 | ||
1738 | /* Open element snapshot */ | |
1739 | ret = mi_lttng_writer_open_element(writer, | |
1740 | mi_lttng_element_command_snapshot); | |
1741 | if (ret) { | |
1742 | goto end; | |
1743 | } | |
1744 | ||
1745 | /* Snapshot output id */ | |
1746 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1747 | mi_lttng_element_id, output->id); | |
1748 | if (ret) { | |
1749 | goto end; | |
1750 | } | |
1751 | ||
1752 | /* Snapshot output names */ | |
1753 | ret = mi_lttng_writer_write_element_string(writer, | |
1754 | config_element_name, n_ptr); | |
1755 | if (ret) { | |
1756 | goto end; | |
1757 | } | |
1758 | ||
1759 | /* Destination of the output (ctrl_url)*/ | |
1760 | ret = mi_lttng_writer_write_element_string(writer, | |
1761 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1762 | if (ret) { | |
1763 | goto end; | |
1764 | } | |
1765 | ||
1766 | /* Snapshot added for session "current_session_name"*/ | |
1767 | ret = mi_lttng_writer_write_element_string(writer, | |
1768 | mi_lttng_element_snapshot_session_name, current_session_name); | |
1769 | if (ret) { | |
1770 | goto end; | |
1771 | } | |
1772 | ||
1773 | /* total size of all stream combined */ | |
1774 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1775 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1776 | if (ret) { | |
1777 | goto end; | |
1778 | } | |
1779 | ||
1780 | /* Close snapshot element */ | |
1781 | ret = mi_lttng_writer_close_element(writer); | |
1782 | ||
1783 | end: | |
1784 | return ret; | |
1785 | } | |
1786 | ||
1787 | LTTNG_HIDDEN | |
1788 | int mi_lttng_snapshot_record(struct mi_writer *writer, | |
1789 | const char *current_session_name, const char *url, | |
1790 | const char *cmdline_ctrl_url, const char *cmdline_data_url) | |
1791 | { | |
1792 | int ret; | |
1793 | ||
1794 | /* Open element snapshot */ | |
1795 | ret = mi_lttng_writer_open_element(writer, | |
1796 | mi_lttng_element_command_snapshot); | |
1797 | if (ret) { | |
1798 | goto end; | |
1799 | } | |
1800 | ||
1801 | /* | |
1802 | * If a valid an URL was given, serialize it, | |
1803 | * else take the command line data and ctrl urls*/ | |
1804 | if (url) { | |
1805 | /* Destination of the output (ctrl_url)*/ | |
1806 | ret = mi_lttng_writer_write_element_string(writer, | |
1807 | mi_lttng_element_snapshot_ctrl_url, url); | |
1808 | if (ret) { | |
1809 | goto end; | |
1810 | } | |
1811 | } else if (cmdline_ctrl_url) { | |
1812 | /* Destination of the output (ctrl_url)*/ | |
1813 | ret = mi_lttng_writer_write_element_string(writer, | |
1814 | mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url); | |
1815 | if (ret) { | |
1816 | goto end; | |
1817 | } | |
1818 | ||
1819 | /* Destination of the output (data_url) */ | |
1820 | ret = mi_lttng_writer_write_element_string(writer, | |
1821 | mi_lttng_element_snapshot_data_url, cmdline_data_url); | |
1822 | if (ret) { | |
1823 | goto end; | |
1824 | } | |
1825 | } | |
1826 | ||
1827 | /* Close record_snapshot element */ | |
1828 | ret = mi_lttng_writer_close_element(writer); | |
1829 | ||
1830 | end: | |
1831 | return ret; | |
1832 | } |