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