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"; |
9719ac52 | 77 | const char * const mi_lttng_element_command_clear = "clear"; |
c7e35b03 | 78 | |
1734c658 | 79 | /* Strings related to version command */ |
c7e35b03 | 80 | const char * const mi_lttng_element_version = "version"; |
314d5222 | 81 | const char * const mi_lttng_element_version_commit = "commit"; |
f4a088f7 | 82 | const char * const mi_lttng_element_version_description = "description"; |
c7e35b03 | 83 | const char * const mi_lttng_element_version_license = "license"; |
f4a088f7 JRJ |
84 | const char * const mi_lttng_element_version_major = "major"; |
85 | const char * const mi_lttng_element_version_minor = "minor"; | |
c7e35b03 | 86 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; |
f4a088f7 JRJ |
87 | const char * const mi_lttng_element_version_str = "string"; |
88 | const char * const mi_lttng_element_version_web = "url"; | |
1734c658 | 89 | |
5e18ec73 JR |
90 | /* String related to a lttng_event_field */ |
91 | const char * const mi_lttng_element_event_field = "event_field"; | |
92 | const char * const mi_lttng_element_event_fields = "event_fields"; | |
93 | ||
89b72577 | 94 | /* String related to lttng_event_perf_counter_ctx */ |
a23cb78a | 95 | const char * const mi_lttng_element_perf_counter_context = "perf"; |
89b72577 | 96 | |
f4a088f7 | 97 | /* Strings related to pid */ |
bf239d4c | 98 | const char * const mi_lttng_element_pid_id = "id"; |
f4a088f7 JRJ |
99 | |
100 | /* Strings related to save command */ | |
101 | const char * const mi_lttng_element_save = "save"; | |
102 | ||
103 | /* Strings related to load command */ | |
104 | const char * const mi_lttng_element_load = "load"; | |
23cb2d55 JR |
105 | LTTNG_HIDDEN const char * const mi_lttng_element_load_overrides = "overrides"; |
106 | LTTNG_HIDDEN const char * const mi_lttng_element_load_override_url = "url"; | |
f4a088f7 | 107 | |
5e18ec73 | 108 | /* General elements of mi_lttng */ |
f4a088f7 JRJ |
109 | const char * const mi_lttng_element_empty = ""; |
110 | const char * const mi_lttng_element_id = "id"; | |
111 | const char * const mi_lttng_element_nowrite = "nowrite"; | |
112 | const char * const mi_lttng_element_success = "success"; | |
5e18ec73 JR |
113 | const char * const mi_lttng_element_type_enum = "ENUM"; |
114 | const char * const mi_lttng_element_type_float = "FLOAT"; | |
f4a088f7 JRJ |
115 | const char * const mi_lttng_element_type_integer = "INTEGER"; |
116 | const char * const mi_lttng_element_type_other = "OTHER"; | |
5e18ec73 | 117 | const char * const mi_lttng_element_type_string = "STRING"; |
5e18ec73 JR |
118 | |
119 | /* String related to loglevel */ | |
120 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; | |
121 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; | |
122 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; | |
123 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; | |
124 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; | |
125 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; | |
126 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; | |
127 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; | |
128 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; | |
129 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; | |
130 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; | |
131 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; | |
132 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; | |
133 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; | |
134 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; | |
135 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; | |
136 | ||
136f2f81 JRJ |
137 | /* String related to loglevel JUL */ |
138 | const char * const mi_lttng_loglevel_str_jul_all = "JUL_ALL"; | |
139 | const char * const mi_lttng_loglevel_str_jul_config = "JUL_CONFIG"; | |
140 | const char * const mi_lttng_loglevel_str_jul_fine = "JUL_FINE"; | |
141 | const char * const mi_lttng_loglevel_str_jul_finer = "JUL_FINER"; | |
142 | const char * const mi_lttng_loglevel_str_jul_finest = "JUL_FINEST"; | |
143 | const char * const mi_lttng_loglevel_str_jul_info = "JUL_INFO"; | |
144 | const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF"; | |
145 | const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE"; | |
146 | const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING"; | |
147 | ||
970d848b DG |
148 | /* String related to loglevel LOG4J */ |
149 | const char * const mi_lttng_loglevel_str_log4j_off = "LOG4J_OFF"; | |
150 | const char * const mi_lttng_loglevel_str_log4j_fatal = "LOG4J_FATAL"; | |
151 | const char * const mi_lttng_loglevel_str_log4j_error = "LOG4J_ERROR"; | |
152 | const char * const mi_lttng_loglevel_str_log4j_warn = "LOG4J_WARN"; | |
153 | const char * const mi_lttng_loglevel_str_log4j_info = "LOG4J_INFO"; | |
154 | const char * const mi_lttng_loglevel_str_log4j_debug = "LOG4J_DEBUG"; | |
155 | const char * const mi_lttng_loglevel_str_log4j_trace = "LOG4J_TRACE"; | |
156 | const char * const mi_lttng_loglevel_str_log4j_all = "LOG4J_ALL"; | |
157 | ||
0e115563 DG |
158 | /* String related to loglevel Python */ |
159 | const char * const mi_lttng_loglevel_str_python_critical = "PYTHON_CRITICAL"; | |
160 | const char * const mi_lttng_loglevel_str_python_error = "PYTHON_ERROR"; | |
161 | const char * const mi_lttng_loglevel_str_python_warning = "PYTHON_WARNING"; | |
162 | const char * const mi_lttng_loglevel_str_python_info = "PYTHON_INFO"; | |
163 | const char * const mi_lttng_loglevel_str_python_debug = "PYTHON_DEBUG"; | |
164 | const char * const mi_lttng_loglevel_str_python_notset = "PYTHON_NOTSET"; | |
165 | ||
1734c658 | 166 | /* String related to loglevel type */ |
5e18ec73 JR |
167 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
168 | const char * const mi_lttng_loglevel_type_range = "RANGE"; | |
169 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; | |
170 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; | |
171 | ||
50534d6f | 172 | /* String related to a lttng_snapshot_output */ |
50534d6f | 173 | const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url"; |
f4a088f7 | 174 | const char * const mi_lttng_element_snapshot_data_url = "data_url"; |
50534d6f | 175 | const char * const mi_lttng_element_snapshot_max_size = "max_size"; |
f4a088f7 JRJ |
176 | const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr"; |
177 | const char * const mi_lttng_element_snapshot_session_name = "session_name"; | |
178 | const char * const mi_lttng_element_snapshots = "snapshots"; | |
5e18ec73 | 179 | |
ebbf5ab7 | 180 | /* String related to track/untrack command */ |
ebbf5ab7 JR |
181 | const char * const mi_lttng_element_track_untrack_all_wildcard = "*"; |
182 | ||
ae8c46e0 JG |
183 | /* Deprecated symbols preserved for ABI compatibility. */ |
184 | const char * const mi_lttng_context_type_perf_counter; | |
185 | const char * const mi_lttng_context_type_perf_cpu_counter; | |
186 | const char * const mi_lttng_context_type_perf_thread_counter; | |
187 | const char * const mi_lttng_element_track_untrack_pid_target; | |
188 | const char * const mi_lttng_element_track_untrack_targets; | |
95057847 PP |
189 | const char * const mi_lttng_element_calibrate; |
190 | const char * const mi_lttng_element_calibrate_function; | |
191 | const char * const mi_lttng_element_command_calibrate; | |
ebbf5ab7 | 192 | |
136f2f81 JRJ |
193 | /* This is a merge of jul loglevel and regular loglevel |
194 | * Those should never overlap by definition | |
195 | * (see struct lttng_event loglevel) | |
196 | */ | |
ea75976a | 197 | LTTNG_HIDDEN |
970d848b | 198 | const char *mi_lttng_loglevel_string(int value, enum lttng_domain_type domain) |
5e18ec73 | 199 | { |
970d848b DG |
200 | switch (domain) { |
201 | case LTTNG_DOMAIN_KERNEL: | |
202 | case LTTNG_DOMAIN_UST: | |
203 | switch (value) { | |
204 | case -1: | |
205 | return mi_lttng_element_empty; | |
206 | case LTTNG_LOGLEVEL_EMERG: | |
207 | return mi_lttng_loglevel_str_emerg; | |
208 | case LTTNG_LOGLEVEL_ALERT: | |
209 | return mi_lttng_loglevel_str_alert; | |
210 | case LTTNG_LOGLEVEL_CRIT: | |
211 | return mi_lttng_loglevel_str_crit; | |
212 | case LTTNG_LOGLEVEL_ERR: | |
213 | return mi_lttng_loglevel_str_err; | |
214 | case LTTNG_LOGLEVEL_WARNING: | |
215 | return mi_lttng_loglevel_str_warning; | |
216 | case LTTNG_LOGLEVEL_NOTICE: | |
217 | return mi_lttng_loglevel_str_notice; | |
218 | case LTTNG_LOGLEVEL_INFO: | |
219 | return mi_lttng_loglevel_str_info; | |
220 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
221 | return mi_lttng_loglevel_str_debug_system; | |
222 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
223 | return mi_lttng_loglevel_str_debug_program; | |
224 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
225 | return mi_lttng_loglevel_str_debug_process; | |
226 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
227 | return mi_lttng_loglevel_str_debug_module; | |
228 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
229 | return mi_lttng_loglevel_str_debug_unit; | |
230 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
231 | return mi_lttng_loglevel_str_debug_function; | |
232 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
233 | return mi_lttng_loglevel_str_debug_line; | |
234 | case LTTNG_LOGLEVEL_DEBUG: | |
235 | return mi_lttng_loglevel_str_debug; | |
236 | default: | |
237 | return mi_lttng_loglevel_str_unknown; | |
238 | } | |
239 | break; | |
240 | case LTTNG_DOMAIN_LOG4J: | |
241 | switch (value) { | |
242 | case -1: | |
243 | return mi_lttng_element_empty; | |
244 | case LTTNG_LOGLEVEL_LOG4J_OFF: | |
245 | return mi_lttng_loglevel_str_log4j_off; | |
246 | case LTTNG_LOGLEVEL_LOG4J_FATAL: | |
247 | return mi_lttng_loglevel_str_log4j_fatal; | |
248 | case LTTNG_LOGLEVEL_LOG4J_ERROR: | |
249 | return mi_lttng_loglevel_str_log4j_error; | |
250 | case LTTNG_LOGLEVEL_LOG4J_WARN: | |
251 | return mi_lttng_loglevel_str_log4j_warn; | |
252 | case LTTNG_LOGLEVEL_LOG4J_INFO: | |
253 | return mi_lttng_loglevel_str_log4j_info; | |
254 | case LTTNG_LOGLEVEL_LOG4J_DEBUG: | |
255 | return mi_lttng_loglevel_str_log4j_debug; | |
256 | case LTTNG_LOGLEVEL_LOG4J_TRACE: | |
257 | return mi_lttng_loglevel_str_log4j_trace; | |
258 | case LTTNG_LOGLEVEL_LOG4J_ALL: | |
259 | return mi_lttng_loglevel_str_log4j_all; | |
260 | default: | |
261 | return mi_lttng_loglevel_str_unknown; | |
262 | } | |
263 | break; | |
264 | case LTTNG_DOMAIN_JUL: | |
265 | switch (value) { | |
266 | case -1: | |
267 | return mi_lttng_element_empty; | |
268 | case LTTNG_LOGLEVEL_JUL_OFF: | |
269 | return mi_lttng_loglevel_str_jul_off; | |
270 | case LTTNG_LOGLEVEL_JUL_SEVERE: | |
271 | return mi_lttng_loglevel_str_jul_severe; | |
272 | case LTTNG_LOGLEVEL_JUL_WARNING: | |
273 | return mi_lttng_loglevel_str_jul_warning; | |
274 | case LTTNG_LOGLEVEL_JUL_INFO: | |
275 | return mi_lttng_loglevel_str_jul_info; | |
276 | case LTTNG_LOGLEVEL_JUL_CONFIG: | |
277 | return mi_lttng_loglevel_str_jul_config; | |
278 | case LTTNG_LOGLEVEL_JUL_FINE: | |
279 | return mi_lttng_loglevel_str_jul_fine; | |
280 | case LTTNG_LOGLEVEL_JUL_FINER: | |
281 | return mi_lttng_loglevel_str_jul_finer; | |
282 | case LTTNG_LOGLEVEL_JUL_FINEST: | |
283 | return mi_lttng_loglevel_str_jul_finest; | |
284 | case LTTNG_LOGLEVEL_JUL_ALL: | |
285 | return mi_lttng_loglevel_str_jul_all; | |
286 | default: | |
287 | return mi_lttng_loglevel_str_unknown; | |
288 | } | |
289 | break; | |
0e115563 DG |
290 | case LTTNG_DOMAIN_PYTHON: |
291 | switch (value) { | |
292 | case LTTNG_LOGLEVEL_PYTHON_CRITICAL: | |
293 | return mi_lttng_loglevel_str_python_critical; | |
294 | case LTTNG_LOGLEVEL_PYTHON_ERROR: | |
295 | return mi_lttng_loglevel_str_python_error; | |
296 | case LTTNG_LOGLEVEL_PYTHON_WARNING: | |
297 | return mi_lttng_loglevel_str_python_warning; | |
298 | case LTTNG_LOGLEVEL_PYTHON_INFO: | |
299 | return mi_lttng_loglevel_str_python_info; | |
300 | case LTTNG_LOGLEVEL_PYTHON_DEBUG: | |
301 | return mi_lttng_loglevel_str_python_debug; | |
302 | case LTTNG_LOGLEVEL_PYTHON_NOTSET: | |
303 | return mi_lttng_loglevel_str_python_notset; | |
304 | default: | |
305 | return mi_lttng_loglevel_str_unknown; | |
306 | } | |
307 | break; | |
bc2718d1 JG |
308 | default: |
309 | return mi_lttng_loglevel_str_unknown; | |
5e18ec73 JR |
310 | } |
311 | } | |
312 | ||
ea75976a | 313 | LTTNG_HIDDEN |
5e18ec73 JR |
314 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) |
315 | { | |
316 | switch (value) { | |
317 | case LTTNG_EVENT_LOGLEVEL_ALL: | |
318 | return mi_lttng_loglevel_type_all; | |
319 | case LTTNG_EVENT_LOGLEVEL_RANGE: | |
320 | return mi_lttng_loglevel_type_range; | |
321 | case LTTNG_EVENT_LOGLEVEL_SINGLE: | |
322 | return mi_lttng_loglevel_type_single; | |
323 | default: | |
324 | return mi_lttng_loglevel_type_unknown; | |
325 | } | |
326 | } | |
327 | ||
ea75976a | 328 | LTTNG_HIDDEN |
5e18ec73 JR |
329 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) |
330 | { | |
331 | switch (value) { | |
332 | case LTTNG_EVENT_ALL: | |
333 | return config_event_type_all; | |
334 | case LTTNG_EVENT_TRACEPOINT: | |
335 | return config_event_type_tracepoint; | |
336 | case LTTNG_EVENT_PROBE: | |
337 | return config_event_type_probe; | |
338 | case LTTNG_EVENT_FUNCTION: | |
339 | return config_event_type_function; | |
340 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
341 | return config_event_type_function_entry; | |
342 | case LTTNG_EVENT_SYSCALL: | |
343 | return config_event_type_syscall; | |
344 | case LTTNG_EVENT_NOOP: | |
345 | return config_event_type_noop; | |
346 | default: | |
347 | return mi_lttng_element_empty; | |
348 | } | |
349 | } | |
350 | ||
a23cb78a | 351 | static |
89b72577 JRJ |
352 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
353 | { | |
354 | switch (val) { | |
355 | case LTTNG_EVENT_CONTEXT_PID: | |
356 | return config_event_context_pid; | |
89b72577 JRJ |
357 | case LTTNG_EVENT_CONTEXT_PROCNAME: |
358 | return config_event_context_procname; | |
359 | case LTTNG_EVENT_CONTEXT_PRIO: | |
360 | return config_event_context_prio; | |
361 | case LTTNG_EVENT_CONTEXT_NICE: | |
362 | return config_event_context_nice; | |
363 | case LTTNG_EVENT_CONTEXT_VPID: | |
364 | return config_event_context_vpid; | |
365 | case LTTNG_EVENT_CONTEXT_TID: | |
366 | return config_event_context_tid; | |
367 | case LTTNG_EVENT_CONTEXT_VTID: | |
368 | return config_event_context_vtid; | |
369 | case LTTNG_EVENT_CONTEXT_PPID: | |
370 | return config_event_context_ppid; | |
371 | case LTTNG_EVENT_CONTEXT_VPPID: | |
372 | return config_event_context_vppid; | |
373 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: | |
374 | return config_event_context_pthread_id; | |
375 | case LTTNG_EVENT_CONTEXT_HOSTNAME: | |
376 | return config_event_context_hostname; | |
377 | case LTTNG_EVENT_CONTEXT_IP: | |
378 | return config_event_context_ip; | |
16df1f44 JR |
379 | case LTTNG_EVENT_CONTEXT_INTERRUPTIBLE: |
380 | return config_event_context_interruptible; | |
381 | case LTTNG_EVENT_CONTEXT_PREEMPTIBLE: | |
382 | return config_event_context_preemptible; | |
383 | case LTTNG_EVENT_CONTEXT_NEED_RESCHEDULE: | |
384 | return config_event_context_need_reschedule; | |
385 | case LTTNG_EVENT_CONTEXT_MIGRATABLE: | |
386 | return config_event_context_migratable; | |
89b72577 JRJ |
387 | default: |
388 | return NULL; | |
389 | } | |
390 | } | |
391 | ||
ea75976a | 392 | LTTNG_HIDDEN |
5e18ec73 JR |
393 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
394 | { | |
395 | switch (val) { | |
396 | case(LTTNG_EVENT_FIELD_INTEGER): | |
397 | return mi_lttng_element_type_integer; | |
398 | case(LTTNG_EVENT_FIELD_ENUM): | |
399 | return mi_lttng_element_type_enum; | |
400 | case(LTTNG_EVENT_FIELD_FLOAT): | |
401 | return mi_lttng_element_type_float; | |
402 | case(LTTNG_EVENT_FIELD_STRING): | |
403 | return mi_lttng_element_type_string; | |
404 | default: | |
405 | return mi_lttng_element_type_other; | |
406 | } | |
407 | } | |
408 | ||
ea75976a | 409 | LTTNG_HIDDEN |
5e18ec73 JR |
410 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) |
411 | { | |
412 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ | |
413 | switch (value) { | |
414 | case LTTNG_DOMAIN_KERNEL: | |
415 | return config_domain_type_kernel; | |
416 | case LTTNG_DOMAIN_UST: | |
417 | return config_domain_type_ust; | |
418 | case LTTNG_DOMAIN_JUL: | |
419 | return config_domain_type_jul; | |
5cdb6027 DG |
420 | case LTTNG_DOMAIN_LOG4J: |
421 | return config_domain_type_log4j; | |
b789735e PP |
422 | case LTTNG_DOMAIN_PYTHON: |
423 | return config_domain_type_python; | |
5e18ec73 JR |
424 | default: |
425 | /* Should not have an unknown domain */ | |
426 | assert(0); | |
2855532e | 427 | return NULL; |
5e18ec73 JR |
428 | } |
429 | } | |
430 | ||
ea75976a | 431 | LTTNG_HIDDEN |
5e18ec73 JR |
432 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) |
433 | { | |
434 | switch (value) { | |
435 | case LTTNG_BUFFER_PER_PID: | |
436 | return config_buffer_type_per_pid; | |
437 | case LTTNG_BUFFER_PER_UID: | |
438 | return config_buffer_type_per_uid; | |
439 | case LTTNG_BUFFER_GLOBAL: | |
440 | return config_buffer_type_global; | |
441 | default: | |
442 | /* Should not have an unknow buffer type */ | |
443 | assert(0); | |
2855532e | 444 | return NULL; |
5e18ec73 JR |
445 | } |
446 | } | |
447 | ||
c7e35b03 JR |
448 | LTTNG_HIDDEN |
449 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) | |
450 | { | |
451 | struct mi_writer *mi_writer; | |
452 | ||
453 | mi_writer = zmalloc(sizeof(struct mi_writer)); | |
454 | if (!mi_writer) { | |
455 | PERROR("zmalloc mi_writer_create"); | |
456 | goto end; | |
457 | } | |
458 | if (mi_output_type == LTTNG_MI_XML) { | |
705bb62f | 459 | mi_writer->writer = config_writer_create(fd_output, 0); |
c7e35b03 JR |
460 | if (!mi_writer->writer) { |
461 | goto err_destroy; | |
462 | } | |
463 | mi_writer->type = LTTNG_MI_XML; | |
464 | } else { | |
465 | goto err_destroy; | |
466 | } | |
467 | ||
468 | end: | |
469 | return mi_writer; | |
470 | ||
471 | err_destroy: | |
472 | free(mi_writer); | |
473 | return NULL; | |
474 | } | |
475 | ||
476 | LTTNG_HIDDEN | |
477 | int mi_lttng_writer_destroy(struct mi_writer *writer) | |
478 | { | |
479 | int ret; | |
480 | ||
481 | if (!writer) { | |
482 | ret = -EINVAL; | |
483 | goto end; | |
484 | } | |
485 | ||
486 | ret = config_writer_destroy(writer->writer); | |
487 | if (ret < 0) { | |
488 | goto end; | |
489 | } | |
490 | ||
491 | free(writer); | |
492 | end: | |
493 | return ret; | |
494 | } | |
495 | ||
496 | LTTNG_HIDDEN | |
497 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) | |
498 | { | |
499 | int ret; | |
500 | ||
e10b6a1c JG |
501 | /* |
502 | * A command is always the MI's root node, it must declare the current | |
503 | * namespace and schema URIs and the schema's version. | |
504 | */ | |
505 | ret = config_writer_open_element(writer->writer, | |
506 | mi_lttng_element_command); | |
507 | if (ret) { | |
508 | goto end; | |
509 | } | |
510 | ||
511 | ret = config_writer_write_attribute(writer->writer, | |
41af1adf | 512 | mi_lttng_xmlns, DEFAULT_LTTNG_MI_NAMESPACE); |
e10b6a1c JG |
513 | if (ret) { |
514 | goto end; | |
515 | } | |
516 | ||
517 | ret = config_writer_write_attribute(writer->writer, | |
518 | mi_lttng_xmlns_xsi, mi_lttng_w3_schema_uri); | |
c7e35b03 JR |
519 | if (ret) { |
520 | goto end; | |
521 | } | |
e10b6a1c JG |
522 | |
523 | ret = config_writer_write_attribute(writer->writer, | |
524 | mi_lttng_schema_location, | |
525 | mi_lttng_schema_location_uri); | |
526 | if (ret) { | |
527 | goto end; | |
528 | } | |
529 | ||
530 | ret = config_writer_write_attribute(writer->writer, | |
531 | mi_lttng_schema_version, | |
532 | mi_lttng_schema_version_value); | |
533 | if (ret) { | |
534 | goto end; | |
535 | } | |
536 | ||
c7e35b03 JR |
537 | ret = mi_lttng_writer_write_element_string(writer, |
538 | mi_lttng_element_command_name, command); | |
539 | end: | |
540 | return ret; | |
541 | } | |
542 | ||
543 | LTTNG_HIDDEN | |
544 | int mi_lttng_writer_command_close(struct mi_writer *writer) | |
545 | { | |
546 | return mi_lttng_writer_close_element(writer); | |
547 | } | |
548 | ||
549 | LTTNG_HIDDEN | |
550 | int mi_lttng_writer_open_element(struct mi_writer *writer, | |
551 | const char *element_name) | |
552 | { | |
553 | return config_writer_open_element(writer->writer, element_name); | |
554 | } | |
555 | ||
556 | LTTNG_HIDDEN | |
557 | int mi_lttng_writer_close_element(struct mi_writer *writer) | |
558 | { | |
559 | return config_writer_close_element(writer->writer); | |
560 | } | |
561 | ||
5e18ec73 JR |
562 | LTTNG_HIDDEN |
563 | int mi_lttng_close_multi_element(struct mi_writer *writer, | |
564 | unsigned int nb_element) | |
565 | { | |
566 | int ret, i; | |
567 | ||
568 | if (nb_element < 1) { | |
569 | ret = 0; | |
570 | goto end; | |
571 | } | |
572 | for (i = 0; i < nb_element; i++) { | |
573 | ret = mi_lttng_writer_close_element(writer); | |
574 | if (ret) { | |
575 | goto end; | |
576 | } | |
577 | } | |
578 | end: | |
579 | return ret; | |
580 | } | |
581 | ||
c7e35b03 JR |
582 | LTTNG_HIDDEN |
583 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, | |
584 | const char *element_name, uint64_t value) | |
585 | { | |
586 | return config_writer_write_element_unsigned_int(writer->writer, | |
587 | element_name, value); | |
588 | } | |
589 | ||
590 | LTTNG_HIDDEN | |
591 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, | |
592 | const char *element_name, int64_t value) | |
593 | { | |
594 | return config_writer_write_element_signed_int(writer->writer, | |
595 | element_name, value); | |
596 | } | |
597 | ||
598 | LTTNG_HIDDEN | |
599 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, | |
600 | const char *element_name, int value) | |
601 | { | |
602 | return config_writer_write_element_bool(writer->writer, | |
603 | element_name, value); | |
604 | } | |
605 | ||
606 | LTTNG_HIDDEN | |
607 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, | |
608 | const char *element_name, const char *value) | |
609 | { | |
610 | return config_writer_write_element_string(writer->writer, | |
611 | element_name, value); | |
612 | } | |
613 | ||
614 | LTTNG_HIDDEN | |
615 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, | |
616 | const char *lttng_description, const char *lttng_license) | |
617 | { | |
618 | int ret; | |
619 | ||
620 | /* Open version */ | |
621 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); | |
622 | if (ret) { | |
623 | goto end; | |
624 | } | |
625 | ||
626 | /* Version string (contain info like rc etc.) */ | |
627 | ret = mi_lttng_writer_write_element_string(writer, | |
782f3c61 | 628 | mi_lttng_element_version_str, version->version); |
c7e35b03 JR |
629 | if (ret) { |
630 | goto end; | |
631 | } | |
632 | ||
633 | /* Major version number */ | |
634 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
635 | mi_lttng_element_version_major, version->version_major); | |
636 | if (ret) { | |
637 | goto end; | |
638 | } | |
639 | ||
640 | /* Minor version number */ | |
641 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
642 | mi_lttng_element_version_minor, version->version_minor); | |
643 | if (ret) { | |
644 | goto end; | |
645 | } | |
646 | ||
314d5222 JRJ |
647 | /* Commit version number */ |
648 | ret = mi_lttng_writer_write_element_string(writer, | |
649 | mi_lttng_element_version_commit, version->version_commit); | |
650 | if (ret) { | |
651 | goto end; | |
652 | } | |
653 | ||
c7e35b03 JR |
654 | /* Patch number */ |
655 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
656 | mi_lttng_element_version_patch_level, version->version_patchlevel); | |
657 | if (ret) { | |
658 | goto end; | |
659 | } | |
660 | ||
661 | /* Name of the version */ | |
662 | ret = mi_lttng_writer_write_element_string(writer, | |
663 | config_element_name, version->version_name); | |
664 | if (ret) { | |
665 | goto end; | |
666 | } | |
667 | ||
668 | /* Description mostly related to beer... */ | |
669 | ret = mi_lttng_writer_write_element_string(writer, | |
670 | mi_lttng_element_version_description, lttng_description); | |
671 | if (ret) { | |
672 | goto end; | |
673 | } | |
674 | ||
675 | /* url */ | |
676 | ret = mi_lttng_writer_write_element_string(writer, | |
677 | mi_lttng_element_version_web, version->package_url); | |
678 | if (ret) { | |
679 | goto end; | |
680 | } | |
681 | ||
682 | /* License: free as in free beer...no...*speech* */ | |
683 | ret = mi_lttng_writer_write_element_string(writer, | |
684 | mi_lttng_element_version_license, lttng_license); | |
685 | if (ret) { | |
686 | goto end; | |
687 | } | |
688 | ||
689 | /* Close version element */ | |
690 | ret = mi_lttng_writer_close_element(writer); | |
691 | ||
692 | end: | |
693 | return ret; | |
694 | } | |
695 | ||
5e18ec73 JR |
696 | LTTNG_HIDDEN |
697 | int mi_lttng_sessions_open(struct mi_writer *writer) | |
698 | { | |
699 | return mi_lttng_writer_open_element(writer, config_element_sessions); | |
700 | } | |
701 | ||
c7e35b03 JR |
702 | LTTNG_HIDDEN |
703 | int mi_lttng_session(struct mi_writer *writer, | |
704 | struct lttng_session *session, int is_open) | |
705 | { | |
706 | int ret; | |
707 | ||
5e18ec73 JR |
708 | assert(session); |
709 | ||
710 | /* Open sessions element */ | |
c7e35b03 JR |
711 | ret = mi_lttng_writer_open_element(writer, |
712 | config_element_session); | |
713 | if (ret) { | |
714 | goto end; | |
715 | } | |
716 | ||
717 | /* Name of the session */ | |
718 | ret = mi_lttng_writer_write_element_string(writer, | |
719 | config_element_name, session->name); | |
720 | if (ret) { | |
721 | goto end; | |
722 | } | |
723 | ||
5e18ec73 | 724 | /* Path */ |
c7e35b03 JR |
725 | ret = mi_lttng_writer_write_element_string(writer, |
726 | config_element_path, session->path); | |
727 | if (ret) { | |
728 | goto end; | |
729 | } | |
730 | ||
5e18ec73 JR |
731 | /* Enabled ? */ |
732 | ret = mi_lttng_writer_write_element_bool(writer, | |
c7e35b03 JR |
733 | config_element_enabled, session->enabled); |
734 | if (ret) { | |
735 | goto end; | |
736 | } | |
737 | ||
5e18ec73 | 738 | /* Snapshot mode */ |
c7e35b03 JR |
739 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
740 | config_element_snapshot_mode, session->snapshot_mode); | |
741 | if (ret) { | |
742 | goto end; | |
743 | } | |
744 | ||
5e18ec73 | 745 | /* Live timer interval in usec */ |
c7e35b03 JR |
746 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
747 | config_element_live_timer_interval, | |
748 | session->live_timer_interval); | |
749 | if (ret) { | |
750 | goto end; | |
751 | } | |
752 | ||
753 | if (!is_open) { | |
754 | /* Closing session element */ | |
755 | ret = mi_lttng_writer_close_element(writer); | |
756 | } | |
757 | end: | |
758 | return ret; | |
759 | ||
760 | } | |
5e18ec73 JR |
761 | |
762 | LTTNG_HIDDEN | |
763 | int mi_lttng_domains_open(struct mi_writer *writer) | |
764 | { | |
765 | return mi_lttng_writer_open_element(writer, config_element_domains); | |
766 | } | |
767 | ||
768 | LTTNG_HIDDEN | |
769 | int mi_lttng_domain(struct mi_writer *writer, | |
770 | struct lttng_domain *domain, int is_open) | |
771 | { | |
772 | int ret = 0; | |
773 | const char *str_domain; | |
774 | const char *str_buffer; | |
775 | ||
776 | assert(domain); | |
777 | ||
778 | /* Open domain element */ | |
779 | ret = mi_lttng_writer_open_element(writer, config_element_domain); | |
780 | if (ret) { | |
781 | goto end; | |
782 | } | |
783 | ||
784 | /* Domain Type */ | |
785 | str_domain = mi_lttng_domaintype_string(domain->type); | |
786 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
787 | str_domain); | |
788 | if (ret) { | |
789 | goto end; | |
790 | } | |
791 | ||
792 | /* Buffer Type */ | |
793 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); | |
794 | ret = mi_lttng_writer_write_element_string(writer, | |
795 | config_element_buffer_type, str_buffer); | |
796 | if (ret) { | |
797 | goto end; | |
798 | } | |
799 | ||
d813f89b JRJ |
800 | /* TODO: union attr |
801 | * This union is not currently used and was added for | |
802 | * future ust domain support. | |
803 | * Date: 25-06-2014 | |
804 | * */ | |
5e18ec73 JR |
805 | |
806 | if (!is_open) { | |
807 | /* Closing domain element */ | |
808 | ret = mi_lttng_writer_close_element(writer); | |
809 | } | |
810 | ||
811 | end: | |
812 | return ret; | |
813 | ||
814 | } | |
815 | ||
816 | LTTNG_HIDDEN | |
817 | int mi_lttng_channels_open(struct mi_writer *writer) | |
818 | { | |
819 | return mi_lttng_writer_open_element(writer, config_element_channels); | |
820 | } | |
821 | ||
822 | LTTNG_HIDDEN | |
823 | int mi_lttng_channel(struct mi_writer *writer, | |
824 | struct lttng_channel *channel, int is_open) | |
825 | { | |
826 | int ret = 0; | |
827 | ||
828 | assert(channel); | |
829 | ||
830 | /* Opening channel element */ | |
831 | ret = mi_lttng_writer_open_element(writer, config_element_channel); | |
832 | if (ret) { | |
833 | goto end; | |
834 | } | |
835 | ||
836 | /* Name */ | |
837 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
838 | channel->name); | |
839 | if (ret) { | |
840 | goto end; | |
841 | } | |
842 | ||
843 | /* Enabled ? */ | |
844 | ret = mi_lttng_writer_write_element_bool(writer, | |
845 | config_element_enabled, channel->enabled); | |
846 | if (ret) { | |
847 | goto end; | |
848 | } | |
849 | ||
850 | /* Attribute */ | |
851 | ret = mi_lttng_channel_attr(writer, &channel->attr); | |
852 | if (ret) { | |
853 | goto end; | |
854 | } | |
855 | ||
856 | if (!is_open) { | |
857 | /* Closing channel element */ | |
858 | ret = mi_lttng_writer_close_element(writer); | |
859 | if (ret) { | |
860 | goto end; | |
861 | } | |
862 | } | |
863 | end: | |
864 | return ret; | |
865 | } | |
866 | ||
867 | LTTNG_HIDDEN | |
868 | int mi_lttng_channel_attr(struct mi_writer *writer, | |
869 | struct lttng_channel_attr *attr) | |
870 | { | |
871 | int ret = 0; | |
fb83fe64 JD |
872 | struct lttng_channel *chan = caa_container_of(attr, |
873 | struct lttng_channel, attr); | |
cf0bcb51 | 874 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
f515d318 | 875 | int64_t blocking_timeout; |
5e18ec73 JR |
876 | |
877 | assert(attr); | |
878 | ||
fb83fe64 JD |
879 | ret = lttng_channel_get_discarded_event_count(chan, &discarded_events); |
880 | if (ret) { | |
881 | goto end; | |
882 | } | |
883 | ||
884 | ret = lttng_channel_get_lost_packet_count(chan, &lost_packets); | |
885 | if (ret) { | |
886 | goto end; | |
887 | } | |
888 | ||
cf0bcb51 JG |
889 | ret = lttng_channel_get_monitor_timer_interval(chan, |
890 | &monitor_timer_interval); | |
891 | if (ret) { | |
892 | goto end; | |
893 | } | |
894 | ||
f515d318 MD |
895 | ret = lttng_channel_get_blocking_timeout(chan, |
896 | &blocking_timeout); | |
897 | if (ret) { | |
898 | goto end; | |
899 | } | |
900 | ||
5e18ec73 JR |
901 | /* Opening Attributes */ |
902 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
903 | if (ret) { | |
904 | goto end; | |
905 | } | |
906 | ||
907 | /* Overwrite */ | |
908 | ret = mi_lttng_writer_write_element_string(writer, | |
909 | config_element_overwrite_mode, | |
910 | attr->overwrite ? config_overwrite_mode_overwrite : | |
911 | config_overwrite_mode_discard); | |
912 | if (ret) { | |
913 | goto end; | |
914 | } | |
915 | ||
916 | /* Sub buffer size in byte */ | |
917 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
918 | config_element_subbuf_size, attr->subbuf_size); | |
919 | if (ret) { | |
920 | goto end; | |
921 | } | |
922 | ||
923 | /* Number of subbuffer (power of two) */ | |
924 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
925 | config_element_num_subbuf, | |
926 | attr->num_subbuf); | |
927 | if (ret) { | |
928 | goto end; | |
929 | } | |
930 | ||
931 | /* Switch timer interval in usec */ | |
932 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
933 | config_element_switch_timer_interval, | |
934 | attr->switch_timer_interval); | |
935 | if (ret) { | |
936 | goto end; | |
937 | } | |
938 | ||
939 | /* Read timer interval in usec */ | |
940 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
941 | config_element_read_timer_interval, | |
942 | attr->read_timer_interval); | |
943 | if (ret) { | |
944 | goto end; | |
945 | } | |
946 | ||
cf0bcb51 JG |
947 | /* Monitor timer interval in usec */ |
948 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
949 | config_element_monitor_timer_interval, | |
950 | monitor_timer_interval); | |
951 | if (ret) { | |
952 | goto end; | |
953 | } | |
954 | ||
f515d318 MD |
955 | /* Retry timeout in usec */ |
956 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
957 | config_element_blocking_timeout, | |
958 | blocking_timeout); | |
959 | if (ret) { | |
960 | goto end; | |
961 | } | |
962 | ||
5e18ec73 JR |
963 | /* Event output */ |
964 | ret = mi_lttng_writer_write_element_string(writer, | |
965 | config_element_output_type, | |
966 | attr->output == LTTNG_EVENT_SPLICE ? | |
967 | config_output_type_splice : config_output_type_mmap); | |
968 | if (ret) { | |
969 | goto end; | |
970 | } | |
971 | ||
972 | /* Tracefile size in bytes */ | |
973 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
974 | config_element_tracefile_size, attr->tracefile_size); | |
975 | if (ret) { | |
976 | goto end; | |
977 | } | |
978 | ||
979 | /* Count of tracefiles */ | |
980 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
981 | config_element_tracefile_count, | |
982 | attr->tracefile_count); | |
983 | if (ret) { | |
984 | goto end; | |
985 | } | |
986 | ||
987 | /* Live timer interval in usec*/ | |
988 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
989 | config_element_live_timer_interval, | |
990 | attr->live_timer_interval); | |
991 | if (ret) { | |
fb83fe64 JD |
992 | goto end; |
993 | } | |
994 | ||
995 | /* Discarded events */ | |
996 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
997 | config_element_discarded_events, | |
998 | discarded_events); | |
999 | if (ret) { | |
1000 | goto end; | |
1001 | } | |
1002 | ||
1003 | /* Lost packets */ | |
1004 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1005 | config_element_lost_packets, | |
1006 | lost_packets); | |
1007 | if (ret) { | |
5e18ec73 JR |
1008 | goto end; |
1009 | } | |
1010 | ||
1011 | /* Closing attributes */ | |
1012 | ret = mi_lttng_writer_close_element(writer); | |
1013 | if (ret) { | |
1014 | goto end; | |
1015 | } | |
1016 | end: | |
1017 | return ret; | |
1018 | ||
1019 | } | |
1020 | ||
1021 | LTTNG_HIDDEN | |
1022 | int mi_lttng_event_common_attributes(struct mi_writer *writer, | |
1023 | struct lttng_event *event) | |
1024 | { | |
1025 | int ret; | |
7b4aa11d | 1026 | const char *filter_expression; |
5e18ec73 JR |
1027 | |
1028 | /* Open event element */ | |
1029 | ret = mi_lttng_writer_open_element(writer, config_element_event); | |
1030 | if (ret) { | |
1031 | goto end; | |
1032 | } | |
1033 | ||
f4a088f7 | 1034 | /* Event name */ |
5e18ec73 JR |
1035 | ret = mi_lttng_writer_write_element_string(writer, |
1036 | config_element_name, event->name); | |
1037 | if (ret) { | |
1038 | goto end; | |
1039 | } | |
1040 | ||
f4a088f7 | 1041 | /* Event type */ |
5e18ec73 JR |
1042 | ret = mi_lttng_writer_write_element_string(writer, |
1043 | config_element_type, mi_lttng_eventtype_string(event->type)); | |
1044 | if (ret) { | |
1045 | goto end; | |
1046 | } | |
1047 | ||
f4a088f7 | 1048 | /* Is event enabled */ |
5e18ec73 JR |
1049 | ret = mi_lttng_writer_write_element_bool(writer, |
1050 | config_element_enabled, event->enabled); | |
1051 | if (ret) { | |
1052 | goto end; | |
1053 | } | |
1054 | ||
7b4aa11d | 1055 | /* Event filter expression */ |
134e72ed | 1056 | ret = lttng_event_get_filter_expression(event, &filter_expression); |
7b4aa11d PP |
1057 | if (ret) { |
1058 | goto end; | |
1059 | } | |
1060 | ||
1061 | if (filter_expression) { | |
1062 | ret = mi_lttng_writer_write_element_string(writer, | |
654f9f5e JG |
1063 | config_element_filter_expression, |
1064 | filter_expression); | |
7b4aa11d PP |
1065 | if (ret) { |
1066 | goto end; | |
1067 | } | |
1068 | } | |
1069 | ||
5e18ec73 JR |
1070 | end: |
1071 | return ret; | |
1072 | } | |
1073 | ||
eecb9438 PP |
1074 | static int write_event_exclusions(struct mi_writer *writer, |
1075 | struct lttng_event *event) | |
1076 | { | |
1077 | int i; | |
1078 | int ret; | |
1079 | int exclusion_count; | |
1080 | ||
eecb9438 PP |
1081 | /* Open event exclusions */ |
1082 | ret = mi_lttng_writer_open_element(writer, config_element_exclusions); | |
1083 | if (ret) { | |
1084 | goto end; | |
1085 | } | |
1086 | ||
1087 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
1088 | if (exclusion_count < 0) { | |
1089 | ret = exclusion_count; | |
1090 | goto end; | |
1091 | } | |
1092 | ||
1093 | for (i = 0; i < exclusion_count; i++) { | |
1094 | const char *name; | |
1095 | ||
1096 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
1097 | if (ret) { | |
1098 | /* Close exclusions */ | |
1099 | mi_lttng_writer_close_element(writer); | |
1100 | goto end; | |
1101 | } | |
1102 | ||
1103 | ret = mi_lttng_writer_write_element_string(writer, | |
1104 | config_element_exclusion, name); | |
1105 | if (ret) { | |
1106 | /* Close exclusions */ | |
1107 | mi_lttng_writer_close_element(writer); | |
1108 | goto end; | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | /* Close exclusions */ | |
1113 | ret = mi_lttng_writer_close_element(writer); | |
1114 | ||
1115 | end: | |
1116 | return ret; | |
1117 | } | |
1118 | ||
5e18ec73 JR |
1119 | LTTNG_HIDDEN |
1120 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, | |
970d848b | 1121 | struct lttng_event *event, enum lttng_domain_type domain) |
5e18ec73 JR |
1122 | { |
1123 | int ret; | |
1124 | ||
f4a088f7 | 1125 | /* Event loglevel */ |
5e18ec73 | 1126 | ret = mi_lttng_writer_write_element_string(writer, |
970d848b DG |
1127 | config_element_loglevel, |
1128 | mi_lttng_loglevel_string(event->loglevel, domain)); | |
5e18ec73 JR |
1129 | if (ret) { |
1130 | goto end; | |
1131 | } | |
1132 | ||
f4a088f7 | 1133 | /* Log level type */ |
5e18ec73 JR |
1134 | ret = mi_lttng_writer_write_element_string(writer, |
1135 | config_element_loglevel_type, | |
1136 | mi_lttng_logleveltype_string(event->loglevel_type)); | |
1137 | if (ret) { | |
1138 | goto end; | |
1139 | } | |
1140 | ||
eecb9438 PP |
1141 | /* Event exclusions */ |
1142 | ret = write_event_exclusions(writer, event); | |
5e18ec73 JR |
1143 | |
1144 | end: | |
1145 | return ret; | |
1146 | } | |
1147 | ||
1148 | LTTNG_HIDDEN | |
1149 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, | |
1150 | struct lttng_event *event) | |
1151 | { | |
1152 | /* event exclusion filter */ | |
eecb9438 | 1153 | return write_event_exclusions(writer, event); |
5e18ec73 JR |
1154 | } |
1155 | ||
1156 | LTTNG_HIDDEN | |
1157 | int mi_lttng_event_function_probe(struct mi_writer *writer, | |
1158 | struct lttng_event *event) | |
1159 | { | |
1160 | int ret; | |
1161 | ||
3b4a6e40 JRJ |
1162 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); |
1163 | if (ret) { | |
1164 | goto end; | |
1165 | } | |
1166 | ||
1167 | ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes); | |
1168 | if (ret) { | |
1169 | goto end; | |
1170 | } | |
1171 | ||
5e18ec73 JR |
1172 | if (event->attr.probe.addr != 0) { |
1173 | /* event probe address */ | |
1174 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1175 | config_element_address, event->attr.probe.addr); | |
1176 | if (ret) { | |
1177 | goto end; | |
1178 | } | |
1179 | } else { | |
1180 | /* event probe offset */ | |
1181 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1182 | config_element_offset, event->attr.probe.offset); | |
1183 | if (ret) { | |
1184 | goto end; | |
1185 | } | |
1186 | ||
1187 | /* event probe symbol_name */ | |
1188 | ret = mi_lttng_writer_write_element_string(writer, | |
1189 | config_element_symbol_name, event->attr.probe.symbol_name); | |
1190 | if (ret) { | |
1191 | goto end; | |
1192 | } | |
1193 | } | |
3b4a6e40 JRJ |
1194 | |
1195 | /* Close probe_attributes and attributes */ | |
1196 | ret = mi_lttng_close_multi_element(writer, 2); | |
5e18ec73 JR |
1197 | end: |
1198 | return ret; | |
1199 | } | |
1200 | ||
1201 | LTTNG_HIDDEN | |
1202 | int mi_lttng_event_function_entry(struct mi_writer *writer, | |
1203 | struct lttng_event *event) | |
1204 | { | |
3b4a6e40 JRJ |
1205 | int ret; |
1206 | ||
1207 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); | |
1208 | if (ret) { | |
1209 | goto end; | |
1210 | } | |
1211 | ||
1212 | ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes); | |
1213 | if (ret) { | |
1214 | goto end; | |
1215 | } | |
1216 | ||
5e18ec73 | 1217 | /* event probe symbol_name */ |
3b4a6e40 | 1218 | ret = mi_lttng_writer_write_element_string(writer, |
5e18ec73 | 1219 | config_element_symbol_name, event->attr.ftrace.symbol_name); |
3b4a6e40 JRJ |
1220 | if (ret) { |
1221 | goto end; | |
1222 | } | |
1223 | ||
1224 | /* Close function_attributes and attributes */ | |
1225 | ret = mi_lttng_close_multi_element(writer, 2); | |
1226 | end: | |
1227 | return ret; | |
5e18ec73 JR |
1228 | } |
1229 | ||
1230 | LTTNG_HIDDEN | |
1231 | int mi_lttng_events_open(struct mi_writer *writer) | |
1232 | { | |
1233 | return mi_lttng_writer_open_element(writer, config_element_events); | |
1234 | } | |
1235 | ||
1236 | LTTNG_HIDDEN | |
1237 | int mi_lttng_event(struct mi_writer *writer, | |
970d848b | 1238 | struct lttng_event *event, int is_open, enum lttng_domain_type domain) |
5e18ec73 JR |
1239 | { |
1240 | int ret; | |
1241 | ||
1242 | ret = mi_lttng_event_common_attributes(writer, event); | |
1243 | if (ret) { | |
1244 | goto end; | |
1245 | } | |
1246 | ||
1247 | switch (event->type) { | |
5e18ec73 JR |
1248 | case LTTNG_EVENT_TRACEPOINT: |
1249 | { | |
1250 | if (event->loglevel != -1) { | |
970d848b | 1251 | ret = mi_lttng_event_tracepoint_loglevel(writer, event, domain); |
5e18ec73 JR |
1252 | } else { |
1253 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); | |
1254 | } | |
1255 | break; | |
1256 | } | |
3b4a6e40 JRJ |
1257 | case LTTNG_EVENT_FUNCTION: |
1258 | /* Fallthrough */ | |
5e18ec73 JR |
1259 | case LTTNG_EVENT_PROBE: |
1260 | ret = mi_lttng_event_function_probe(writer, event); | |
1261 | break; | |
1262 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
1263 | ret = mi_lttng_event_function_entry(writer, event); | |
1264 | break; | |
89476427 JRJ |
1265 | case LTTNG_EVENT_ALL: |
1266 | /* Fallthrough */ | |
5e18ec73 JR |
1267 | default: |
1268 | break; | |
1269 | } | |
1270 | ||
1271 | if (!is_open) { | |
1272 | ret = mi_lttng_writer_close_element(writer); | |
1273 | } | |
1274 | ||
1275 | end: | |
1276 | return ret; | |
1277 | } | |
1278 | ||
ebbf5ab7 JR |
1279 | LTTNG_HIDDEN |
1280 | int mi_lttng_trackers_open(struct mi_writer *writer) | |
1281 | { | |
1282 | return mi_lttng_writer_open_element(writer, config_element_trackers); | |
1283 | } | |
1284 | ||
1285 | LTTNG_HIDDEN | |
1286 | int mi_lttng_pid_tracker_open(struct mi_writer *writer) | |
1287 | { | |
1288 | int ret; | |
1289 | ||
1290 | /* Open element pid_tracker */ | |
1291 | ret = mi_lttng_writer_open_element(writer, config_element_pid_tracker); | |
1292 | if (ret) { | |
1293 | goto end; | |
1294 | } | |
1295 | ||
1296 | /* Open targets element */ | |
1297 | ret = mi_lttng_targets_open(writer); | |
1298 | end: | |
1299 | return ret; | |
1300 | } | |
1301 | ||
5e18ec73 JR |
1302 | LTTNG_HIDDEN |
1303 | int mi_lttng_pids_open(struct mi_writer *writer) | |
1304 | { | |
ebbf5ab7 JR |
1305 | return mi_lttng_writer_open_element(writer, config_element_pids); |
1306 | } | |
1307 | ||
bf239d4c JR |
1308 | /* |
1309 | * TODO: move the listing of pid for user agent to process semantic on | |
1310 | * mi api bump. The use of process element break the mi api. | |
1311 | */ | |
ebbf5ab7 | 1312 | LTTNG_HIDDEN |
bf239d4c | 1313 | int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *name, |
5e18ec73 JR |
1314 | int is_open) |
1315 | { | |
1316 | int ret; | |
1317 | ||
bf239d4c JR |
1318 | /* Open pid process */ |
1319 | ret = mi_lttng_writer_open_element(writer, config_element_pid); | |
5e18ec73 JR |
1320 | if (ret) { |
1321 | goto end; | |
1322 | } | |
1323 | ||
1324 | /* Writing pid number */ | |
1325 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
bf239d4c | 1326 | mi_lttng_element_pid_id, (int)pid); |
5e18ec73 JR |
1327 | if (ret) { |
1328 | goto end; | |
1329 | } | |
1330 | ||
1331 | /* Writing name of the process */ | |
ebbf5ab7 JR |
1332 | if (name) { |
1333 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1334 | name); | |
1335 | if (ret) { | |
1336 | goto end; | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | if (!is_open) { | |
1341 | /* Closing Pid */ | |
1342 | ret = mi_lttng_writer_close_element(writer); | |
1343 | } | |
1344 | ||
1345 | end: | |
1346 | return ret; | |
1347 | } | |
1348 | ||
1349 | LTTNG_HIDDEN | |
1350 | int mi_lttng_targets_open(struct mi_writer *writer) | |
1351 | { | |
1352 | return mi_lttng_writer_open_element(writer, | |
f95771e8 | 1353 | config_element_targets); |
ebbf5ab7 JR |
1354 | } |
1355 | ||
1356 | LTTNG_HIDDEN | |
1357 | int mi_lttng_pid_target(struct mi_writer *writer, pid_t pid, int is_open) | |
1358 | { | |
1359 | int ret; | |
1360 | ||
1361 | ret = mi_lttng_writer_open_element(writer, | |
f95771e8 | 1362 | config_element_target_pid); |
ebbf5ab7 JR |
1363 | if (ret) { |
1364 | goto end; | |
1365 | } | |
1366 | ||
1367 | /* Writing pid number | |
1368 | * Special case for element all on track untrack command | |
1369 | * All pid is represented as wildcard * | |
1370 | */ | |
1371 | if ((int) pid == -1) { | |
1372 | ret = mi_lttng_writer_write_element_string(writer, | |
1373 | config_element_pid, | |
1374 | mi_lttng_element_track_untrack_all_wildcard); | |
1375 | } else { | |
1376 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1377 | config_element_pid, (int) pid); | |
1378 | } | |
5e18ec73 JR |
1379 | if (ret) { |
1380 | goto end; | |
1381 | } | |
1382 | ||
1383 | if (!is_open) { | |
5e18ec73 | 1384 | ret = mi_lttng_writer_close_element(writer); |
ebbf5ab7 JR |
1385 | if (ret) { |
1386 | goto end; | |
1387 | } | |
5e18ec73 JR |
1388 | } |
1389 | ||
1390 | end: | |
1391 | return ret; | |
1392 | } | |
1393 | ||
1394 | LTTNG_HIDDEN | |
1395 | int mi_lttng_event_fields_open(struct mi_writer *writer) | |
1396 | { | |
1397 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); | |
1398 | } | |
1399 | ||
1400 | LTTNG_HIDDEN | |
1401 | int mi_lttng_event_field(struct mi_writer *writer, | |
1402 | struct lttng_event_field *field) | |
1403 | { | |
1404 | int ret; | |
1405 | ||
1406 | if (!field->field_name[0]) { | |
5e18ec73 JR |
1407 | ret = 0; |
1408 | goto end; | |
1409 | } | |
1410 | ||
1411 | /* Open field */ | |
1412 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); | |
1413 | if (ret) { | |
1414 | goto end; | |
1415 | } | |
1416 | ||
1417 | if (!field->field_name[0]) { | |
1418 | goto close; | |
1419 | } | |
1420 | ||
1421 | /* Name */ | |
1422 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1423 | field->field_name); | |
1424 | if (ret) { | |
1425 | goto end; | |
1426 | } | |
1427 | ||
1428 | /* Type */ | |
1429 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, | |
1430 | mi_lttng_eventfieldtype_string(field->type)); | |
1431 | if (ret) { | |
1432 | goto end; | |
1433 | } | |
1434 | ||
1435 | /* nowrite */ | |
1436 | ret = mi_lttng_writer_write_element_signed_int(writer, | |
1437 | mi_lttng_element_nowrite, field->nowrite); | |
1438 | if (ret) { | |
1439 | goto end; | |
1440 | } | |
1441 | ||
1442 | close: | |
1443 | /* Close field element */ | |
1444 | ret = mi_lttng_writer_close_element(writer); | |
1445 | ||
1446 | end: | |
1447 | return ret; | |
1448 | } | |
7e66b1b0 | 1449 | |
89b72577 | 1450 | LTTNG_HIDDEN |
a23cb78a JG |
1451 | int mi_lttng_perf_counter_context(struct mi_writer *writer, |
1452 | struct lttng_event_perf_counter_ctx *perf_context) | |
89b72577 JRJ |
1453 | { |
1454 | int ret; | |
a23cb78a JG |
1455 | |
1456 | /* Open perf_counter_context */ | |
1457 | ret = mi_lttng_writer_open_element(writer, | |
1458 | mi_lttng_element_perf_counter_context); | |
89b72577 JRJ |
1459 | if (ret) { |
1460 | goto end; | |
1461 | } | |
1462 | ||
a23cb78a JG |
1463 | /* Type */ |
1464 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1465 | config_element_type, perf_context->type); | |
1466 | if (ret) { | |
89b72577 JRJ |
1467 | goto end; |
1468 | } | |
1469 | ||
a23cb78a JG |
1470 | /* Config */ |
1471 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1472 | config_element_config, perf_context->config); | |
1473 | if (ret) { | |
1474 | goto end; | |
89b72577 JRJ |
1475 | } |
1476 | ||
a23cb78a JG |
1477 | /* Name of the perf counter */ |
1478 | ret = mi_lttng_writer_write_element_string(writer, | |
1479 | config_element_name, perf_context->name); | |
1480 | if (ret) { | |
1481 | goto end; | |
89b72577 JRJ |
1482 | } |
1483 | ||
a23cb78a JG |
1484 | /* Close perf_counter_context */ |
1485 | ret = mi_lttng_writer_close_element(writer); | |
89b72577 JRJ |
1486 | end: |
1487 | return ret; | |
1488 | } | |
1489 | ||
a23cb78a JG |
1490 | static |
1491 | int mi_lttng_app_context(struct mi_writer *writer, | |
1492 | const char *provider_name, const char *ctx_name) | |
89b72577 JRJ |
1493 | { |
1494 | int ret; | |
1495 | ||
a23cb78a | 1496 | /* Open app */ |
89b72577 | 1497 | ret = mi_lttng_writer_open_element(writer, |
a23cb78a | 1498 | config_element_context_app); |
89b72577 JRJ |
1499 | if (ret) { |
1500 | goto end; | |
1501 | } | |
1502 | ||
a23cb78a JG |
1503 | /* provider_name */ |
1504 | ret = mi_lttng_writer_write_element_string(writer, | |
1505 | config_element_context_app_provider_name, | |
1506 | provider_name); | |
89b72577 JRJ |
1507 | if (ret) { |
1508 | goto end; | |
1509 | } | |
1510 | ||
a23cb78a JG |
1511 | /* ctx_name */ |
1512 | ret = mi_lttng_writer_write_element_string(writer, | |
1513 | config_element_context_app_ctx_name, ctx_name); | |
89b72577 JRJ |
1514 | if (ret) { |
1515 | goto end; | |
1516 | } | |
1517 | ||
a23cb78a JG |
1518 | /* Close app */ |
1519 | ret = mi_lttng_writer_close_element(writer); | |
1520 | end: | |
1521 | return ret; | |
1522 | } | |
1523 | ||
1524 | LTTNG_HIDDEN | |
1525 | int mi_lttng_context(struct mi_writer *writer, | |
1526 | struct lttng_event_context *context, int is_open) | |
1527 | { | |
1528 | int ret; | |
1529 | ||
1530 | /* Open context */ | |
1531 | ret = mi_lttng_writer_open_element(writer , config_element_context); | |
89b72577 JRJ |
1532 | if (ret) { |
1533 | goto end; | |
1534 | } | |
1535 | ||
a23cb78a JG |
1536 | /* Special case for PERF_*_COUNTER |
1537 | * print the lttng_event_perf_counter_ctx*/ | |
1538 | switch (context->ctx) { | |
1539 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: | |
1540 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: | |
1541 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: | |
1542 | { | |
1543 | struct lttng_event_perf_counter_ctx *perf_context = | |
1544 | &context->u.perf_counter; | |
1545 | ret = mi_lttng_perf_counter_context(writer, perf_context); | |
1546 | if (ret) { | |
1547 | goto end; | |
1548 | } | |
1549 | break; | |
1550 | } | |
1551 | case LTTNG_EVENT_CONTEXT_APP_CONTEXT: | |
1552 | { | |
1553 | ret = mi_lttng_app_context(writer, | |
1554 | context->u.app_ctx.provider_name, | |
1555 | context->u.app_ctx.ctx_name); | |
1556 | if (ret) { | |
1557 | goto end; | |
1558 | } | |
1559 | break; | |
1560 | } | |
1561 | default: | |
1562 | { | |
1563 | const char *type_string = mi_lttng_event_contexttype_string( | |
1564 | context->ctx); | |
1565 | if (!type_string) { | |
1566 | ret = -LTTNG_ERR_INVALID; | |
1567 | goto end; | |
1568 | } | |
1569 | ||
1570 | /* Print context type */ | |
1571 | ret = mi_lttng_writer_write_element_string(writer, | |
1572 | config_element_type, type_string); | |
1573 | break; | |
1574 | } | |
1575 | } | |
1576 | ||
1577 | /* Close context */ | |
1578 | if (!is_open) { | |
1579 | ret = mi_lttng_writer_close_element(writer); | |
1580 | } | |
1581 | ||
89b72577 JRJ |
1582 | end: |
1583 | return ret; | |
1584 | } | |
50534d6f JRJ |
1585 | |
1586 | LTTNG_HIDDEN | |
1587 | int mi_lttng_snapshot_output_session_name(struct mi_writer *writer, | |
1588 | const char *session_name) | |
1589 | { | |
1590 | int ret; | |
1591 | ||
1592 | /* Open session element */ | |
1593 | ret = mi_lttng_writer_open_element(writer, config_element_session); | |
1594 | if (ret) { | |
1595 | goto end; | |
1596 | } | |
1597 | ||
1598 | /* Snapshot output list for current session name */ | |
1599 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1600 | session_name); | |
01defc26 JR |
1601 | if (ret) { |
1602 | goto end; | |
1603 | } | |
50534d6f JRJ |
1604 | |
1605 | /* Open element snapshots (sequence one snapshot) */ | |
1606 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots); | |
1607 | if (ret) { | |
1608 | goto end; | |
1609 | } | |
1610 | ||
1611 | end: | |
1612 | return ret; | |
1613 | } | |
1614 | ||
1615 | LTTNG_HIDDEN | |
1616 | int mi_lttng_snapshot_list_output(struct mi_writer *writer, | |
1617 | struct lttng_snapshot_output *output) | |
1618 | { | |
1619 | int ret; | |
1620 | ||
1621 | /* Open element snapshot output */ | |
1622 | ret = mi_lttng_writer_open_element(writer, | |
1623 | mi_lttng_element_command_snapshot); | |
1624 | if (ret) { | |
1625 | goto end; | |
1626 | } | |
1627 | ||
1628 | /* ID of the snapshot output */ | |
1629 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1630 | mi_lttng_element_id, output->id); | |
1631 | if (ret) { | |
1632 | goto end; | |
1633 | } | |
1634 | ||
1635 | /* Name of the output */ | |
1636 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1637 | output->name); | |
1638 | if (ret) { | |
1639 | goto end; | |
1640 | } | |
1641 | ||
1642 | /* Destination of the output (ctrl_url)*/ | |
1643 | ret = mi_lttng_writer_write_element_string(writer, | |
1644 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1645 | if (ret) { | |
1646 | goto end; | |
1647 | } | |
1648 | ||
1649 | /* Destination of the output (data_url) */ | |
1650 | ret = mi_lttng_writer_write_element_string(writer, | |
1651 | mi_lttng_element_snapshot_data_url, output->data_url); | |
1652 | if (ret) { | |
1653 | goto end; | |
1654 | } | |
1655 | ||
1656 | /* total size of all stream combined */ | |
1657 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1658 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1659 | if (ret) { | |
1660 | goto end; | |
1661 | } | |
1662 | ||
1663 | /* Close snapshot output element */ | |
1664 | ret = mi_lttng_writer_close_element(writer); | |
1665 | ||
1666 | end: | |
1667 | return ret; | |
1668 | } | |
1669 | ||
1670 | LTTNG_HIDDEN | |
1671 | int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id, | |
1672 | const char *name, const char *current_session_name) | |
1673 | { | |
1674 | int ret; | |
1675 | ||
1676 | /* Open element del_snapshot */ | |
1677 | ret = mi_lttng_writer_open_element(writer, | |
1678 | mi_lttng_element_command_snapshot); | |
1679 | if (ret) { | |
1680 | goto end; | |
1681 | } | |
1682 | ||
1683 | ||
1684 | if (id != UINT32_MAX) { | |
1685 | /* "Snapshot output "id" successfully deleted | |
1686 | * for "current_session_name" | |
1687 | * ID of the snapshot output | |
1688 | */ | |
1689 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1690 | mi_lttng_element_id, id); | |
1691 | if (ret) { | |
1692 | goto end; | |
1693 | } | |
1694 | } else { | |
1695 | /* "Snapshot output "name" successfully deleted | |
1696 | * for session "current_session_name" | |
1697 | * Name of the output | |
1698 | */ | |
1699 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, | |
1700 | name); | |
1701 | if (ret) { | |
1702 | goto end; | |
1703 | } | |
1704 | } | |
1705 | ||
1706 | /* Snapshot was deleted for session "current_session_name"*/ | |
1707 | ret = mi_lttng_writer_write_element_string(writer, | |
1708 | mi_lttng_element_snapshot_session_name, | |
1709 | current_session_name); | |
1710 | if (ret) { | |
1711 | goto end; | |
1712 | } | |
1713 | ||
1714 | /* Close snapshot element */ | |
1715 | ret = mi_lttng_writer_close_element(writer); | |
1716 | ||
1717 | end: | |
1718 | return ret; | |
1719 | } | |
1720 | ||
1721 | LTTNG_HIDDEN | |
1722 | int mi_lttng_snapshot_add_output(struct mi_writer *writer, | |
1723 | const char *current_session_name, const char *n_ptr, | |
1724 | struct lttng_snapshot_output *output) | |
1725 | { | |
1726 | int ret; | |
1727 | ||
1728 | /* Open element snapshot */ | |
1729 | ret = mi_lttng_writer_open_element(writer, | |
1730 | mi_lttng_element_command_snapshot); | |
1731 | if (ret) { | |
1732 | goto end; | |
1733 | } | |
1734 | ||
1735 | /* Snapshot output id */ | |
1736 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1737 | mi_lttng_element_id, output->id); | |
1738 | if (ret) { | |
1739 | goto end; | |
1740 | } | |
1741 | ||
1742 | /* Snapshot output names */ | |
1743 | ret = mi_lttng_writer_write_element_string(writer, | |
1744 | config_element_name, n_ptr); | |
1745 | if (ret) { | |
1746 | goto end; | |
1747 | } | |
1748 | ||
1749 | /* Destination of the output (ctrl_url)*/ | |
1750 | ret = mi_lttng_writer_write_element_string(writer, | |
1751 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); | |
1752 | if (ret) { | |
1753 | goto end; | |
1754 | } | |
1755 | ||
1756 | /* Snapshot added for session "current_session_name"*/ | |
1757 | ret = mi_lttng_writer_write_element_string(writer, | |
1758 | mi_lttng_element_snapshot_session_name, current_session_name); | |
1759 | if (ret) { | |
1760 | goto end; | |
1761 | } | |
1762 | ||
1763 | /* total size of all stream combined */ | |
1764 | ret = mi_lttng_writer_write_element_unsigned_int(writer, | |
1765 | mi_lttng_element_snapshot_max_size, output->max_size); | |
1766 | if (ret) { | |
1767 | goto end; | |
1768 | } | |
1769 | ||
1770 | /* Close snapshot element */ | |
1771 | ret = mi_lttng_writer_close_element(writer); | |
1772 | ||
1773 | end: | |
1774 | return ret; | |
1775 | } | |
1776 | ||
1777 | LTTNG_HIDDEN | |
1778 | int mi_lttng_snapshot_record(struct mi_writer *writer, | |
1779 | const char *current_session_name, const char *url, | |
1780 | const char *cmdline_ctrl_url, const char *cmdline_data_url) | |
1781 | { | |
1782 | int ret; | |
1783 | ||
1784 | /* Open element snapshot */ | |
1785 | ret = mi_lttng_writer_open_element(writer, | |
1786 | mi_lttng_element_command_snapshot); | |
1787 | if (ret) { | |
1788 | goto end; | |
1789 | } | |
1790 | ||
1791 | /* | |
1792 | * If a valid an URL was given, serialize it, | |
1793 | * else take the command line data and ctrl urls*/ | |
1794 | if (url) { | |
1795 | /* Destination of the output (ctrl_url)*/ | |
1796 | ret = mi_lttng_writer_write_element_string(writer, | |
1797 | mi_lttng_element_snapshot_ctrl_url, url); | |
1798 | if (ret) { | |
1799 | goto end; | |
1800 | } | |
1801 | } else if (cmdline_ctrl_url) { | |
1802 | /* Destination of the output (ctrl_url)*/ | |
1803 | ret = mi_lttng_writer_write_element_string(writer, | |
1804 | mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url); | |
1805 | if (ret) { | |
1806 | goto end; | |
1807 | } | |
1808 | ||
1809 | /* Destination of the output (data_url) */ | |
1810 | ret = mi_lttng_writer_write_element_string(writer, | |
1811 | mi_lttng_element_snapshot_data_url, cmdline_data_url); | |
1812 | if (ret) { | |
1813 | goto end; | |
1814 | } | |
1815 | } | |
1816 | ||
1817 | /* Close record_snapshot element */ | |
1818 | ret = mi_lttng_writer_close_element(writer); | |
1819 | ||
1820 | end: | |
1821 | return ret; | |
1822 | } |