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