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