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