| 1 | /* |
| 2 | * Copyright (C) 2014 Jonathan Rajotte <jonathan.r.julien@gmail.com> |
| 3 | * Copyright (C) 2014 Olivier Cotte <olivier.cotte@polymtl.ca> |
| 4 | * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-only |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include "lttng/tracker.h" |
| 11 | #define _LGPL_SOURCE |
| 12 | #include "mi-lttng.h" |
| 13 | #include <common/config/session-config.h> |
| 14 | #include <common/defaults.h> |
| 15 | #include <common/tracker.h> |
| 16 | #include <lttng/channel.h> |
| 17 | #include <lttng/snapshot-internal.h> |
| 18 | |
| 19 | #include <assert.h> |
| 20 | |
| 21 | #define MI_SCHEMA_MAJOR_VERSION 4 |
| 22 | #define MI_SCHEMA_MINOR_VERSION 0 |
| 23 | |
| 24 | /* Machine interface namespace URI */ |
| 25 | LTTNG_HIDDEN const char * const mi_lttng_xmlns = "xmlns"; |
| 26 | LTTNG_HIDDEN const char * const mi_lttng_xmlns_xsi = "xmlns:xsi"; |
| 27 | LTTNG_HIDDEN const char * const mi_lttng_w3_schema_uri = "http://www.w3.org/2001/XMLSchema-instance"; |
| 28 | LTTNG_HIDDEN const char * const mi_lttng_schema_location = "xsi:schemaLocation"; |
| 29 | LTTNG_HIDDEN const char * const mi_lttng_schema_location_uri = |
| 30 | DEFAULT_LTTNG_MI_NAMESPACE " " |
| 31 | "https://lttng.org/xml/schemas/lttng-mi/" XSTR(MI_SCHEMA_MAJOR_VERSION) |
| 32 | "/lttng-mi-" XSTR(MI_SCHEMA_MAJOR_VERSION) "." |
| 33 | XSTR(MI_SCHEMA_MINOR_VERSION) ".xsd"; |
| 34 | LTTNG_HIDDEN const char * const mi_lttng_schema_version = "schemaVersion"; |
| 35 | LTTNG_HIDDEN const char * const mi_lttng_schema_version_value = XSTR(MI_SCHEMA_MAJOR_VERSION) |
| 36 | "." XSTR(MI_SCHEMA_MINOR_VERSION); |
| 37 | |
| 38 | /* Strings related to command */ |
| 39 | const char * const mi_lttng_element_command = "command"; |
| 40 | const char * const mi_lttng_element_command_action = "snapshot_action"; |
| 41 | const char * const mi_lttng_element_command_add_context = "add-context"; |
| 42 | const char * const mi_lttng_element_command_create = "create"; |
| 43 | const char * const mi_lttng_element_command_destroy = "destroy"; |
| 44 | const char * const mi_lttng_element_command_disable_channel = "disable-channel"; |
| 45 | const char * const mi_lttng_element_command_disable_event = "disable-event"; |
| 46 | const char * const mi_lttng_element_command_enable_channels = "enable-channel"; |
| 47 | const char * const mi_lttng_element_command_enable_event = "enable-event"; |
| 48 | const char * const mi_lttng_element_command_list = "list"; |
| 49 | const char * const mi_lttng_element_command_load = "load"; |
| 50 | LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata = "metadata"; |
| 51 | LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata_action = "metadata_action"; |
| 52 | LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate = "regenerate"; |
| 53 | LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate_action = "regenerate_action"; |
| 54 | const char * const mi_lttng_element_command_name = "name"; |
| 55 | const char * const mi_lttng_element_command_output = "output"; |
| 56 | const char * const mi_lttng_element_command_save = "save"; |
| 57 | const char * const mi_lttng_element_command_set_session = "set-session"; |
| 58 | const char * const mi_lttng_element_command_snapshot = "snapshot"; |
| 59 | const char * const mi_lttng_element_command_snapshot_add = "add_snapshot"; |
| 60 | const char * const mi_lttng_element_command_snapshot_del = "del_snapshot"; |
| 61 | const char * const mi_lttng_element_command_snapshot_list = "list_snapshot"; |
| 62 | const char * const mi_lttng_element_command_snapshot_record = "record_snapshot"; |
| 63 | const char * const mi_lttng_element_command_start = "start"; |
| 64 | const char * const mi_lttng_element_command_stop = "stop"; |
| 65 | const char * const mi_lttng_element_command_success = "success"; |
| 66 | const char * const mi_lttng_element_command_track = "track"; |
| 67 | const char * const mi_lttng_element_command_untrack = "untrack"; |
| 68 | const char * const mi_lttng_element_command_version = "version"; |
| 69 | LTTNG_HIDDEN const char * const mi_lttng_element_command_rotate = "rotate"; |
| 70 | LTTNG_HIDDEN const char * const mi_lttng_element_command_enable_rotation = "enable-rotation"; |
| 71 | LTTNG_HIDDEN const char * const mi_lttng_element_command_disable_rotation = "disable-rotation"; |
| 72 | LTTNG_HIDDEN const char * const mi_lttng_element_command_clear = "clear"; |
| 73 | |
| 74 | /* Strings related to version command */ |
| 75 | const char * const mi_lttng_element_version = "version"; |
| 76 | const char * const mi_lttng_element_version_commit = "commit"; |
| 77 | const char * const mi_lttng_element_version_description = "description"; |
| 78 | const char * const mi_lttng_element_version_license = "license"; |
| 79 | const char * const mi_lttng_element_version_major = "major"; |
| 80 | const char * const mi_lttng_element_version_minor = "minor"; |
| 81 | const char * const mi_lttng_element_version_patch_level = "patchLevel"; |
| 82 | const char * const mi_lttng_element_version_str = "string"; |
| 83 | const char * const mi_lttng_element_version_web = "url"; |
| 84 | |
| 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 | |
| 89 | /* String related to lttng_event_perf_counter_ctx */ |
| 90 | const char * const mi_lttng_element_perf_counter_context = "perf"; |
| 91 | |
| 92 | /* Strings related to pid */ |
| 93 | const char * const mi_lttng_element_pid_id = "id"; |
| 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 | LTTNG_HIDDEN const char * const mi_lttng_element_load_overrides = "overrides"; |
| 101 | LTTNG_HIDDEN const char * const mi_lttng_element_load_override_url = "url"; |
| 102 | |
| 103 | /* General elements of mi_lttng */ |
| 104 | const char * const mi_lttng_element_empty = ""; |
| 105 | const char * const mi_lttng_element_id = "id"; |
| 106 | const char * const mi_lttng_element_nowrite = "nowrite"; |
| 107 | const char * const mi_lttng_element_success = "success"; |
| 108 | const char * const mi_lttng_element_type_enum = "ENUM"; |
| 109 | const char * const mi_lttng_element_type_float = "FLOAT"; |
| 110 | const char * const mi_lttng_element_type_integer = "INTEGER"; |
| 111 | const char * const mi_lttng_element_type_other = "OTHER"; |
| 112 | const char * const mi_lttng_element_type_string = "STRING"; |
| 113 | |
| 114 | /* String related to loglevel */ |
| 115 | const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT"; |
| 116 | const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT"; |
| 117 | const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG"; |
| 118 | const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION"; |
| 119 | const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE"; |
| 120 | const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE"; |
| 121 | const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS"; |
| 122 | const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM"; |
| 123 | const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM"; |
| 124 | const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT"; |
| 125 | const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG"; |
| 126 | const char * const mi_lttng_loglevel_str_err = "TRACE_ERR"; |
| 127 | const char * const mi_lttng_loglevel_str_info = "TRACE_INFO"; |
| 128 | const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE"; |
| 129 | const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN"; |
| 130 | const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING"; |
| 131 | |
| 132 | /* String related to loglevel JUL */ |
| 133 | const char * const mi_lttng_loglevel_str_jul_all = "JUL_ALL"; |
| 134 | const char * const mi_lttng_loglevel_str_jul_config = "JUL_CONFIG"; |
| 135 | const char * const mi_lttng_loglevel_str_jul_fine = "JUL_FINE"; |
| 136 | const char * const mi_lttng_loglevel_str_jul_finer = "JUL_FINER"; |
| 137 | const char * const mi_lttng_loglevel_str_jul_finest = "JUL_FINEST"; |
| 138 | const char * const mi_lttng_loglevel_str_jul_info = "JUL_INFO"; |
| 139 | const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF"; |
| 140 | const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE"; |
| 141 | const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING"; |
| 142 | |
| 143 | /* String related to loglevel LOG4J */ |
| 144 | const char * const mi_lttng_loglevel_str_log4j_off = "LOG4J_OFF"; |
| 145 | const char * const mi_lttng_loglevel_str_log4j_fatal = "LOG4J_FATAL"; |
| 146 | const char * const mi_lttng_loglevel_str_log4j_error = "LOG4J_ERROR"; |
| 147 | const char * const mi_lttng_loglevel_str_log4j_warn = "LOG4J_WARN"; |
| 148 | const char * const mi_lttng_loglevel_str_log4j_info = "LOG4J_INFO"; |
| 149 | const char * const mi_lttng_loglevel_str_log4j_debug = "LOG4J_DEBUG"; |
| 150 | const char * const mi_lttng_loglevel_str_log4j_trace = "LOG4J_TRACE"; |
| 151 | const char * const mi_lttng_loglevel_str_log4j_all = "LOG4J_ALL"; |
| 152 | |
| 153 | /* String related to loglevel Python */ |
| 154 | const char * const mi_lttng_loglevel_str_python_critical = "PYTHON_CRITICAL"; |
| 155 | const char * const mi_lttng_loglevel_str_python_error = "PYTHON_ERROR"; |
| 156 | const char * const mi_lttng_loglevel_str_python_warning = "PYTHON_WARNING"; |
| 157 | const char * const mi_lttng_loglevel_str_python_info = "PYTHON_INFO"; |
| 158 | const char * const mi_lttng_loglevel_str_python_debug = "PYTHON_DEBUG"; |
| 159 | const char * const mi_lttng_loglevel_str_python_notset = "PYTHON_NOTSET"; |
| 160 | |
| 161 | /* String related to loglevel type */ |
| 162 | const char * const mi_lttng_loglevel_type_all = "ALL"; |
| 163 | const char * const mi_lttng_loglevel_type_range = "RANGE"; |
| 164 | const char * const mi_lttng_loglevel_type_single = "SINGLE"; |
| 165 | const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN"; |
| 166 | |
| 167 | /* String related to a lttng_snapshot_output */ |
| 168 | const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url"; |
| 169 | const char * const mi_lttng_element_snapshot_data_url = "data_url"; |
| 170 | const char * const mi_lttng_element_snapshot_max_size = "max_size"; |
| 171 | const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr"; |
| 172 | const char * const mi_lttng_element_snapshot_session_name = "session_name"; |
| 173 | const char * const mi_lttng_element_snapshots = "snapshots"; |
| 174 | |
| 175 | /* String related to track/untrack command */ |
| 176 | const char * const mi_lttng_element_track_untrack_all_wildcard = "*"; |
| 177 | |
| 178 | LTTNG_HIDDEN const char * const mi_lttng_element_session_name = "session_name"; |
| 179 | |
| 180 | /* String related to rotate command */ |
| 181 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation = "rotation"; |
| 182 | LTTNG_HIDDEN const char * const mi_lttng_element_rotate_status = "status"; |
| 183 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule = "rotation_schedule"; |
| 184 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedules = "rotation_schedules"; |
| 185 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_result = "rotation_schedule_result"; |
| 186 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_results = "rotation_schedule_results"; |
| 187 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_periodic = "periodic"; |
| 188 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_periodic_time_us = "time_us"; |
| 189 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_size_threshold = "size_threshold"; |
| 190 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule_size_threshold_bytes = "bytes"; |
| 191 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_state = "state"; |
| 192 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location = "location"; |
| 193 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_local = "local"; |
| 194 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_local_absolute_path = "absolute_path"; |
| 195 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay = "relay"; |
| 196 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_host = "host"; |
| 197 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_control_port = "control_port"; |
| 198 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_data_port = "data_port"; |
| 199 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_protocol = "protocol"; |
| 200 | LTTNG_HIDDEN const char * const mi_lttng_element_rotation_location_relay_relative_path = "relative_path"; |
| 201 | |
| 202 | /* String related to enum lttng_rotation_state */ |
| 203 | LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_ongoing = "ONGOING"; |
| 204 | LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_completed = "COMPLETED"; |
| 205 | LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_expired = "EXPIRED"; |
| 206 | LTTNG_HIDDEN const char * const mi_lttng_rotation_state_str_error = "ERROR"; |
| 207 | |
| 208 | /* String related to enum lttng_trace_archive_location_relay_protocol_type */ |
| 209 | LTTNG_HIDDEN const char * const mi_lttng_rotation_location_relay_protocol_str_tcp = "TCP"; |
| 210 | |
| 211 | /* String related to add-context command */ |
| 212 | LTTNG_HIDDEN const char * const mi_lttng_element_context_symbol = "symbol"; |
| 213 | |
| 214 | /* Deprecated symbols preserved for ABI compatibility. */ |
| 215 | const char * const mi_lttng_context_type_perf_counter; |
| 216 | const char * const mi_lttng_context_type_perf_cpu_counter; |
| 217 | const char * const mi_lttng_context_type_perf_thread_counter; |
| 218 | const char * const mi_lttng_element_track_untrack_pid_target; |
| 219 | const char * const mi_lttng_element_track_untrack_targets; |
| 220 | const char * const mi_lttng_element_calibrate; |
| 221 | const char * const mi_lttng_element_calibrate_function; |
| 222 | const char * const mi_lttng_element_command_calibrate; |
| 223 | |
| 224 | /* This is a merge of jul loglevel and regular loglevel |
| 225 | * Those should never overlap by definition |
| 226 | * (see struct lttng_event loglevel) |
| 227 | */ |
| 228 | LTTNG_HIDDEN |
| 229 | const char *mi_lttng_loglevel_string(int value, enum lttng_domain_type domain) |
| 230 | { |
| 231 | switch (domain) { |
| 232 | case LTTNG_DOMAIN_KERNEL: |
| 233 | case LTTNG_DOMAIN_UST: |
| 234 | switch (value) { |
| 235 | case -1: |
| 236 | return mi_lttng_element_empty; |
| 237 | case LTTNG_LOGLEVEL_EMERG: |
| 238 | return mi_lttng_loglevel_str_emerg; |
| 239 | case LTTNG_LOGLEVEL_ALERT: |
| 240 | return mi_lttng_loglevel_str_alert; |
| 241 | case LTTNG_LOGLEVEL_CRIT: |
| 242 | return mi_lttng_loglevel_str_crit; |
| 243 | case LTTNG_LOGLEVEL_ERR: |
| 244 | return mi_lttng_loglevel_str_err; |
| 245 | case LTTNG_LOGLEVEL_WARNING: |
| 246 | return mi_lttng_loglevel_str_warning; |
| 247 | case LTTNG_LOGLEVEL_NOTICE: |
| 248 | return mi_lttng_loglevel_str_notice; |
| 249 | case LTTNG_LOGLEVEL_INFO: |
| 250 | return mi_lttng_loglevel_str_info; |
| 251 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: |
| 252 | return mi_lttng_loglevel_str_debug_system; |
| 253 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: |
| 254 | return mi_lttng_loglevel_str_debug_program; |
| 255 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: |
| 256 | return mi_lttng_loglevel_str_debug_process; |
| 257 | case LTTNG_LOGLEVEL_DEBUG_MODULE: |
| 258 | return mi_lttng_loglevel_str_debug_module; |
| 259 | case LTTNG_LOGLEVEL_DEBUG_UNIT: |
| 260 | return mi_lttng_loglevel_str_debug_unit; |
| 261 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: |
| 262 | return mi_lttng_loglevel_str_debug_function; |
| 263 | case LTTNG_LOGLEVEL_DEBUG_LINE: |
| 264 | return mi_lttng_loglevel_str_debug_line; |
| 265 | case LTTNG_LOGLEVEL_DEBUG: |
| 266 | return mi_lttng_loglevel_str_debug; |
| 267 | default: |
| 268 | return mi_lttng_loglevel_str_unknown; |
| 269 | } |
| 270 | break; |
| 271 | case LTTNG_DOMAIN_LOG4J: |
| 272 | switch (value) { |
| 273 | case -1: |
| 274 | return mi_lttng_element_empty; |
| 275 | case LTTNG_LOGLEVEL_LOG4J_OFF: |
| 276 | return mi_lttng_loglevel_str_log4j_off; |
| 277 | case LTTNG_LOGLEVEL_LOG4J_FATAL: |
| 278 | return mi_lttng_loglevel_str_log4j_fatal; |
| 279 | case LTTNG_LOGLEVEL_LOG4J_ERROR: |
| 280 | return mi_lttng_loglevel_str_log4j_error; |
| 281 | case LTTNG_LOGLEVEL_LOG4J_WARN: |
| 282 | return mi_lttng_loglevel_str_log4j_warn; |
| 283 | case LTTNG_LOGLEVEL_LOG4J_INFO: |
| 284 | return mi_lttng_loglevel_str_log4j_info; |
| 285 | case LTTNG_LOGLEVEL_LOG4J_DEBUG: |
| 286 | return mi_lttng_loglevel_str_log4j_debug; |
| 287 | case LTTNG_LOGLEVEL_LOG4J_TRACE: |
| 288 | return mi_lttng_loglevel_str_log4j_trace; |
| 289 | case LTTNG_LOGLEVEL_LOG4J_ALL: |
| 290 | return mi_lttng_loglevel_str_log4j_all; |
| 291 | default: |
| 292 | return mi_lttng_loglevel_str_unknown; |
| 293 | } |
| 294 | break; |
| 295 | case LTTNG_DOMAIN_JUL: |
| 296 | switch (value) { |
| 297 | case -1: |
| 298 | return mi_lttng_element_empty; |
| 299 | case LTTNG_LOGLEVEL_JUL_OFF: |
| 300 | return mi_lttng_loglevel_str_jul_off; |
| 301 | case LTTNG_LOGLEVEL_JUL_SEVERE: |
| 302 | return mi_lttng_loglevel_str_jul_severe; |
| 303 | case LTTNG_LOGLEVEL_JUL_WARNING: |
| 304 | return mi_lttng_loglevel_str_jul_warning; |
| 305 | case LTTNG_LOGLEVEL_JUL_INFO: |
| 306 | return mi_lttng_loglevel_str_jul_info; |
| 307 | case LTTNG_LOGLEVEL_JUL_CONFIG: |
| 308 | return mi_lttng_loglevel_str_jul_config; |
| 309 | case LTTNG_LOGLEVEL_JUL_FINE: |
| 310 | return mi_lttng_loglevel_str_jul_fine; |
| 311 | case LTTNG_LOGLEVEL_JUL_FINER: |
| 312 | return mi_lttng_loglevel_str_jul_finer; |
| 313 | case LTTNG_LOGLEVEL_JUL_FINEST: |
| 314 | return mi_lttng_loglevel_str_jul_finest; |
| 315 | case LTTNG_LOGLEVEL_JUL_ALL: |
| 316 | return mi_lttng_loglevel_str_jul_all; |
| 317 | default: |
| 318 | return mi_lttng_loglevel_str_unknown; |
| 319 | } |
| 320 | break; |
| 321 | case LTTNG_DOMAIN_PYTHON: |
| 322 | switch (value) { |
| 323 | case LTTNG_LOGLEVEL_PYTHON_CRITICAL: |
| 324 | return mi_lttng_loglevel_str_python_critical; |
| 325 | case LTTNG_LOGLEVEL_PYTHON_ERROR: |
| 326 | return mi_lttng_loglevel_str_python_error; |
| 327 | case LTTNG_LOGLEVEL_PYTHON_WARNING: |
| 328 | return mi_lttng_loglevel_str_python_warning; |
| 329 | case LTTNG_LOGLEVEL_PYTHON_INFO: |
| 330 | return mi_lttng_loglevel_str_python_info; |
| 331 | case LTTNG_LOGLEVEL_PYTHON_DEBUG: |
| 332 | return mi_lttng_loglevel_str_python_debug; |
| 333 | case LTTNG_LOGLEVEL_PYTHON_NOTSET: |
| 334 | return mi_lttng_loglevel_str_python_notset; |
| 335 | default: |
| 336 | return mi_lttng_loglevel_str_unknown; |
| 337 | } |
| 338 | break; |
| 339 | default: |
| 340 | return mi_lttng_loglevel_str_unknown; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | LTTNG_HIDDEN |
| 345 | const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value) |
| 346 | { |
| 347 | switch (value) { |
| 348 | case LTTNG_EVENT_LOGLEVEL_ALL: |
| 349 | return mi_lttng_loglevel_type_all; |
| 350 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
| 351 | return mi_lttng_loglevel_type_range; |
| 352 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
| 353 | return mi_lttng_loglevel_type_single; |
| 354 | default: |
| 355 | return mi_lttng_loglevel_type_unknown; |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | static |
| 360 | const char *mi_lttng_eventtype_string(enum lttng_event_type value) |
| 361 | { |
| 362 | switch (value) { |
| 363 | case LTTNG_EVENT_ALL: |
| 364 | return config_event_type_all; |
| 365 | case LTTNG_EVENT_TRACEPOINT: |
| 366 | return config_event_type_tracepoint; |
| 367 | case LTTNG_EVENT_PROBE: |
| 368 | return config_event_type_probe; |
| 369 | case LTTNG_EVENT_USERSPACE_PROBE: |
| 370 | return config_event_type_userspace_probe; |
| 371 | case LTTNG_EVENT_FUNCTION: |
| 372 | return config_event_type_function; |
| 373 | case LTTNG_EVENT_FUNCTION_ENTRY: |
| 374 | return config_event_type_function_entry; |
| 375 | case LTTNG_EVENT_SYSCALL: |
| 376 | return config_event_type_syscall; |
| 377 | case LTTNG_EVENT_NOOP: |
| 378 | return config_event_type_noop; |
| 379 | default: |
| 380 | return mi_lttng_element_empty; |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | static |
| 385 | const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val) |
| 386 | { |
| 387 | switch (val) { |
| 388 | case LTTNG_EVENT_CONTEXT_PID: |
| 389 | return config_event_context_pid; |
| 390 | case LTTNG_EVENT_CONTEXT_PROCNAME: |
| 391 | return config_event_context_procname; |
| 392 | case LTTNG_EVENT_CONTEXT_PRIO: |
| 393 | return config_event_context_prio; |
| 394 | case LTTNG_EVENT_CONTEXT_NICE: |
| 395 | return config_event_context_nice; |
| 396 | case LTTNG_EVENT_CONTEXT_VPID: |
| 397 | return config_event_context_vpid; |
| 398 | case LTTNG_EVENT_CONTEXT_TID: |
| 399 | return config_event_context_tid; |
| 400 | case LTTNG_EVENT_CONTEXT_VTID: |
| 401 | return config_event_context_vtid; |
| 402 | case LTTNG_EVENT_CONTEXT_PPID: |
| 403 | return config_event_context_ppid; |
| 404 | case LTTNG_EVENT_CONTEXT_VPPID: |
| 405 | return config_event_context_vppid; |
| 406 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: |
| 407 | return config_event_context_pthread_id; |
| 408 | case LTTNG_EVENT_CONTEXT_HOSTNAME: |
| 409 | return config_event_context_hostname; |
| 410 | case LTTNG_EVENT_CONTEXT_IP: |
| 411 | return config_event_context_ip; |
| 412 | case LTTNG_EVENT_CONTEXT_INTERRUPTIBLE: |
| 413 | return config_event_context_interruptible; |
| 414 | case LTTNG_EVENT_CONTEXT_PREEMPTIBLE: |
| 415 | return config_event_context_preemptible; |
| 416 | case LTTNG_EVENT_CONTEXT_NEED_RESCHEDULE: |
| 417 | return config_event_context_need_reschedule; |
| 418 | case LTTNG_EVENT_CONTEXT_MIGRATABLE: |
| 419 | return config_event_context_migratable; |
| 420 | case LTTNG_EVENT_CONTEXT_CALLSTACK_USER: |
| 421 | return config_event_context_callstack_user; |
| 422 | case LTTNG_EVENT_CONTEXT_CALLSTACK_KERNEL: |
| 423 | return config_event_context_callstack_kernel; |
| 424 | case LTTNG_EVENT_CONTEXT_CGROUP_NS: |
| 425 | return config_event_context_cgroup_ns; |
| 426 | case LTTNG_EVENT_CONTEXT_IPC_NS: |
| 427 | return config_event_context_ipc_ns; |
| 428 | case LTTNG_EVENT_CONTEXT_MNT_NS: |
| 429 | return config_event_context_mnt_ns; |
| 430 | case LTTNG_EVENT_CONTEXT_NET_NS: |
| 431 | return config_event_context_net_ns; |
| 432 | case LTTNG_EVENT_CONTEXT_PID_NS: |
| 433 | return config_event_context_pid_ns; |
| 434 | case LTTNG_EVENT_CONTEXT_TIME_NS: |
| 435 | return config_event_context_time_ns; |
| 436 | case LTTNG_EVENT_CONTEXT_USER_NS: |
| 437 | return config_event_context_user_ns; |
| 438 | case LTTNG_EVENT_CONTEXT_UTS_NS: |
| 439 | return config_event_context_uts_ns; |
| 440 | case LTTNG_EVENT_CONTEXT_UID: |
| 441 | return config_event_context_uid; |
| 442 | case LTTNG_EVENT_CONTEXT_EUID: |
| 443 | return config_event_context_euid; |
| 444 | case LTTNG_EVENT_CONTEXT_SUID: |
| 445 | return config_event_context_suid; |
| 446 | case LTTNG_EVENT_CONTEXT_GID: |
| 447 | return config_event_context_gid; |
| 448 | case LTTNG_EVENT_CONTEXT_EGID: |
| 449 | return config_event_context_egid; |
| 450 | case LTTNG_EVENT_CONTEXT_SGID: |
| 451 | return config_event_context_sgid; |
| 452 | case LTTNG_EVENT_CONTEXT_VUID: |
| 453 | return config_event_context_vuid; |
| 454 | case LTTNG_EVENT_CONTEXT_VEUID: |
| 455 | return config_event_context_veuid; |
| 456 | case LTTNG_EVENT_CONTEXT_VSUID: |
| 457 | return config_event_context_vsuid; |
| 458 | case LTTNG_EVENT_CONTEXT_VGID: |
| 459 | return config_event_context_vgid; |
| 460 | case LTTNG_EVENT_CONTEXT_VEGID: |
| 461 | return config_event_context_vegid; |
| 462 | case LTTNG_EVENT_CONTEXT_VSGID: |
| 463 | return config_event_context_vsgid; |
| 464 | default: |
| 465 | return NULL; |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | LTTNG_HIDDEN |
| 470 | const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val) |
| 471 | { |
| 472 | switch (val) { |
| 473 | case(LTTNG_EVENT_FIELD_INTEGER): |
| 474 | return mi_lttng_element_type_integer; |
| 475 | case(LTTNG_EVENT_FIELD_ENUM): |
| 476 | return mi_lttng_element_type_enum; |
| 477 | case(LTTNG_EVENT_FIELD_FLOAT): |
| 478 | return mi_lttng_element_type_float; |
| 479 | case(LTTNG_EVENT_FIELD_STRING): |
| 480 | return mi_lttng_element_type_string; |
| 481 | default: |
| 482 | return mi_lttng_element_type_other; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | LTTNG_HIDDEN |
| 487 | const char *mi_lttng_domaintype_string(enum lttng_domain_type value) |
| 488 | { |
| 489 | /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */ |
| 490 | switch (value) { |
| 491 | case LTTNG_DOMAIN_KERNEL: |
| 492 | return config_domain_type_kernel; |
| 493 | case LTTNG_DOMAIN_UST: |
| 494 | return config_domain_type_ust; |
| 495 | case LTTNG_DOMAIN_JUL: |
| 496 | return config_domain_type_jul; |
| 497 | case LTTNG_DOMAIN_LOG4J: |
| 498 | return config_domain_type_log4j; |
| 499 | case LTTNG_DOMAIN_PYTHON: |
| 500 | return config_domain_type_python; |
| 501 | default: |
| 502 | /* Should not have an unknown domain */ |
| 503 | assert(0); |
| 504 | return NULL; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | LTTNG_HIDDEN |
| 509 | const char *mi_lttng_buffertype_string(enum lttng_buffer_type value) |
| 510 | { |
| 511 | switch (value) { |
| 512 | case LTTNG_BUFFER_PER_PID: |
| 513 | return config_buffer_type_per_pid; |
| 514 | case LTTNG_BUFFER_PER_UID: |
| 515 | return config_buffer_type_per_uid; |
| 516 | case LTTNG_BUFFER_GLOBAL: |
| 517 | return config_buffer_type_global; |
| 518 | default: |
| 519 | /* Should not have an unknow buffer type */ |
| 520 | assert(0); |
| 521 | return NULL; |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | LTTNG_HIDDEN |
| 526 | const char *mi_lttng_rotation_state_string(enum lttng_rotation_state value) |
| 527 | { |
| 528 | switch (value) { |
| 529 | case LTTNG_ROTATION_STATE_ONGOING: |
| 530 | return mi_lttng_rotation_state_str_ongoing; |
| 531 | case LTTNG_ROTATION_STATE_COMPLETED: |
| 532 | return mi_lttng_rotation_state_str_completed; |
| 533 | case LTTNG_ROTATION_STATE_EXPIRED: |
| 534 | return mi_lttng_rotation_state_str_expired; |
| 535 | case LTTNG_ROTATION_STATE_ERROR: |
| 536 | return mi_lttng_rotation_state_str_error; |
| 537 | default: |
| 538 | /* Should not have an unknow rotation state. */ |
| 539 | assert(0); |
| 540 | return NULL; |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | LTTNG_HIDDEN |
| 545 | const char *mi_lttng_trace_archive_location_relay_protocol_type_string( |
| 546 | enum lttng_trace_archive_location_relay_protocol_type value) |
| 547 | { |
| 548 | switch (value) { |
| 549 | case LTTNG_TRACE_ARCHIVE_LOCATION_RELAY_PROTOCOL_TYPE_TCP: |
| 550 | return mi_lttng_rotation_location_relay_protocol_str_tcp; |
| 551 | default: |
| 552 | /* Should not have an unknow relay protocol. */ |
| 553 | assert(0); |
| 554 | return NULL; |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | LTTNG_HIDDEN |
| 559 | struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type) |
| 560 | { |
| 561 | struct mi_writer *mi_writer; |
| 562 | |
| 563 | mi_writer = zmalloc(sizeof(struct mi_writer)); |
| 564 | if (!mi_writer) { |
| 565 | PERROR("zmalloc mi_writer_create"); |
| 566 | goto end; |
| 567 | } |
| 568 | if (mi_output_type == LTTNG_MI_XML) { |
| 569 | mi_writer->writer = config_writer_create(fd_output, 0); |
| 570 | if (!mi_writer->writer) { |
| 571 | goto err_destroy; |
| 572 | } |
| 573 | mi_writer->type = LTTNG_MI_XML; |
| 574 | } else { |
| 575 | goto err_destroy; |
| 576 | } |
| 577 | |
| 578 | end: |
| 579 | return mi_writer; |
| 580 | |
| 581 | err_destroy: |
| 582 | free(mi_writer); |
| 583 | return NULL; |
| 584 | } |
| 585 | |
| 586 | LTTNG_HIDDEN |
| 587 | int mi_lttng_writer_destroy(struct mi_writer *writer) |
| 588 | { |
| 589 | int ret; |
| 590 | |
| 591 | if (!writer) { |
| 592 | ret = -EINVAL; |
| 593 | goto end; |
| 594 | } |
| 595 | |
| 596 | ret = config_writer_destroy(writer->writer); |
| 597 | if (ret < 0) { |
| 598 | goto end; |
| 599 | } |
| 600 | |
| 601 | free(writer); |
| 602 | end: |
| 603 | return ret; |
| 604 | } |
| 605 | |
| 606 | LTTNG_HIDDEN |
| 607 | int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command) |
| 608 | { |
| 609 | int ret; |
| 610 | |
| 611 | /* |
| 612 | * A command is always the MI's root node, it must declare the current |
| 613 | * namespace and schema URIs and the schema's version. |
| 614 | */ |
| 615 | ret = config_writer_open_element(writer->writer, |
| 616 | mi_lttng_element_command); |
| 617 | if (ret) { |
| 618 | goto end; |
| 619 | } |
| 620 | |
| 621 | ret = config_writer_write_attribute(writer->writer, |
| 622 | mi_lttng_xmlns, DEFAULT_LTTNG_MI_NAMESPACE); |
| 623 | if (ret) { |
| 624 | goto end; |
| 625 | } |
| 626 | |
| 627 | ret = config_writer_write_attribute(writer->writer, |
| 628 | mi_lttng_xmlns_xsi, mi_lttng_w3_schema_uri); |
| 629 | if (ret) { |
| 630 | goto end; |
| 631 | } |
| 632 | |
| 633 | ret = config_writer_write_attribute(writer->writer, |
| 634 | mi_lttng_schema_location, |
| 635 | mi_lttng_schema_location_uri); |
| 636 | if (ret) { |
| 637 | goto end; |
| 638 | } |
| 639 | |
| 640 | ret = config_writer_write_attribute(writer->writer, |
| 641 | mi_lttng_schema_version, |
| 642 | mi_lttng_schema_version_value); |
| 643 | if (ret) { |
| 644 | goto end; |
| 645 | } |
| 646 | |
| 647 | ret = mi_lttng_writer_write_element_string(writer, |
| 648 | mi_lttng_element_command_name, command); |
| 649 | end: |
| 650 | return ret; |
| 651 | } |
| 652 | |
| 653 | LTTNG_HIDDEN |
| 654 | int mi_lttng_writer_command_close(struct mi_writer *writer) |
| 655 | { |
| 656 | return mi_lttng_writer_close_element(writer); |
| 657 | } |
| 658 | |
| 659 | LTTNG_HIDDEN |
| 660 | int mi_lttng_writer_open_element(struct mi_writer *writer, |
| 661 | const char *element_name) |
| 662 | { |
| 663 | return config_writer_open_element(writer->writer, element_name); |
| 664 | } |
| 665 | |
| 666 | LTTNG_HIDDEN |
| 667 | int mi_lttng_writer_close_element(struct mi_writer *writer) |
| 668 | { |
| 669 | return config_writer_close_element(writer->writer); |
| 670 | } |
| 671 | |
| 672 | LTTNG_HIDDEN |
| 673 | int mi_lttng_close_multi_element(struct mi_writer *writer, |
| 674 | unsigned int nb_element) |
| 675 | { |
| 676 | int ret, i; |
| 677 | |
| 678 | if (nb_element < 1) { |
| 679 | ret = 0; |
| 680 | goto end; |
| 681 | } |
| 682 | for (i = 0; i < nb_element; i++) { |
| 683 | ret = mi_lttng_writer_close_element(writer); |
| 684 | if (ret) { |
| 685 | goto end; |
| 686 | } |
| 687 | } |
| 688 | end: |
| 689 | return ret; |
| 690 | } |
| 691 | |
| 692 | LTTNG_HIDDEN |
| 693 | int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer, |
| 694 | const char *element_name, uint64_t value) |
| 695 | { |
| 696 | return config_writer_write_element_unsigned_int(writer->writer, |
| 697 | element_name, value); |
| 698 | } |
| 699 | |
| 700 | LTTNG_HIDDEN |
| 701 | int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer, |
| 702 | const char *element_name, int64_t value) |
| 703 | { |
| 704 | return config_writer_write_element_signed_int(writer->writer, |
| 705 | element_name, value); |
| 706 | } |
| 707 | |
| 708 | LTTNG_HIDDEN |
| 709 | int mi_lttng_writer_write_element_bool(struct mi_writer *writer, |
| 710 | const char *element_name, int value) |
| 711 | { |
| 712 | return config_writer_write_element_bool(writer->writer, |
| 713 | element_name, value); |
| 714 | } |
| 715 | |
| 716 | LTTNG_HIDDEN |
| 717 | int mi_lttng_writer_write_element_string(struct mi_writer *writer, |
| 718 | const char *element_name, const char *value) |
| 719 | { |
| 720 | return config_writer_write_element_string(writer->writer, |
| 721 | element_name, value); |
| 722 | } |
| 723 | |
| 724 | LTTNG_HIDDEN |
| 725 | int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version, |
| 726 | const char *lttng_description, const char *lttng_license) |
| 727 | { |
| 728 | int ret; |
| 729 | |
| 730 | /* Open version */ |
| 731 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version); |
| 732 | if (ret) { |
| 733 | goto end; |
| 734 | } |
| 735 | |
| 736 | /* Version string (contain info like rc etc.) */ |
| 737 | ret = mi_lttng_writer_write_element_string(writer, |
| 738 | mi_lttng_element_version_str, version->version); |
| 739 | if (ret) { |
| 740 | goto end; |
| 741 | } |
| 742 | |
| 743 | /* Major version number */ |
| 744 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 745 | mi_lttng_element_version_major, version->version_major); |
| 746 | if (ret) { |
| 747 | goto end; |
| 748 | } |
| 749 | |
| 750 | /* Minor version number */ |
| 751 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 752 | mi_lttng_element_version_minor, version->version_minor); |
| 753 | if (ret) { |
| 754 | goto end; |
| 755 | } |
| 756 | |
| 757 | /* Commit version number */ |
| 758 | ret = mi_lttng_writer_write_element_string(writer, |
| 759 | mi_lttng_element_version_commit, version->version_commit); |
| 760 | if (ret) { |
| 761 | goto end; |
| 762 | } |
| 763 | |
| 764 | /* Patch number */ |
| 765 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 766 | mi_lttng_element_version_patch_level, version->version_patchlevel); |
| 767 | if (ret) { |
| 768 | goto end; |
| 769 | } |
| 770 | |
| 771 | /* Name of the version */ |
| 772 | ret = mi_lttng_writer_write_element_string(writer, |
| 773 | config_element_name, version->version_name); |
| 774 | if (ret) { |
| 775 | goto end; |
| 776 | } |
| 777 | |
| 778 | /* Description mostly related to beer... */ |
| 779 | ret = mi_lttng_writer_write_element_string(writer, |
| 780 | mi_lttng_element_version_description, lttng_description); |
| 781 | if (ret) { |
| 782 | goto end; |
| 783 | } |
| 784 | |
| 785 | /* url */ |
| 786 | ret = mi_lttng_writer_write_element_string(writer, |
| 787 | mi_lttng_element_version_web, version->package_url); |
| 788 | if (ret) { |
| 789 | goto end; |
| 790 | } |
| 791 | |
| 792 | /* License: free as in free beer...no...*speech* */ |
| 793 | ret = mi_lttng_writer_write_element_string(writer, |
| 794 | mi_lttng_element_version_license, lttng_license); |
| 795 | if (ret) { |
| 796 | goto end; |
| 797 | } |
| 798 | |
| 799 | /* Close version element */ |
| 800 | ret = mi_lttng_writer_close_element(writer); |
| 801 | |
| 802 | end: |
| 803 | return ret; |
| 804 | } |
| 805 | |
| 806 | LTTNG_HIDDEN |
| 807 | int mi_lttng_sessions_open(struct mi_writer *writer) |
| 808 | { |
| 809 | return mi_lttng_writer_open_element(writer, config_element_sessions); |
| 810 | } |
| 811 | |
| 812 | LTTNG_HIDDEN |
| 813 | int mi_lttng_session(struct mi_writer *writer, |
| 814 | struct lttng_session *session, int is_open) |
| 815 | { |
| 816 | int ret; |
| 817 | |
| 818 | assert(session); |
| 819 | |
| 820 | /* Open sessions element */ |
| 821 | ret = mi_lttng_writer_open_element(writer, |
| 822 | config_element_session); |
| 823 | if (ret) { |
| 824 | goto end; |
| 825 | } |
| 826 | |
| 827 | /* Name of the session */ |
| 828 | ret = mi_lttng_writer_write_element_string(writer, |
| 829 | config_element_name, session->name); |
| 830 | if (ret) { |
| 831 | goto end; |
| 832 | } |
| 833 | |
| 834 | /* Path */ |
| 835 | ret = mi_lttng_writer_write_element_string(writer, |
| 836 | config_element_path, session->path); |
| 837 | if (ret) { |
| 838 | goto end; |
| 839 | } |
| 840 | |
| 841 | /* Enabled ? */ |
| 842 | ret = mi_lttng_writer_write_element_bool(writer, |
| 843 | config_element_enabled, session->enabled); |
| 844 | if (ret) { |
| 845 | goto end; |
| 846 | } |
| 847 | |
| 848 | /* Snapshot mode */ |
| 849 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 850 | config_element_snapshot_mode, session->snapshot_mode); |
| 851 | if (ret) { |
| 852 | goto end; |
| 853 | } |
| 854 | |
| 855 | /* Live timer interval in usec */ |
| 856 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 857 | config_element_live_timer_interval, |
| 858 | session->live_timer_interval); |
| 859 | if (ret) { |
| 860 | goto end; |
| 861 | } |
| 862 | |
| 863 | if (!is_open) { |
| 864 | /* Closing session element */ |
| 865 | ret = mi_lttng_writer_close_element(writer); |
| 866 | } |
| 867 | end: |
| 868 | return ret; |
| 869 | |
| 870 | } |
| 871 | |
| 872 | LTTNG_HIDDEN |
| 873 | int mi_lttng_domains_open(struct mi_writer *writer) |
| 874 | { |
| 875 | return mi_lttng_writer_open_element(writer, config_element_domains); |
| 876 | } |
| 877 | |
| 878 | LTTNG_HIDDEN |
| 879 | int mi_lttng_domain(struct mi_writer *writer, |
| 880 | struct lttng_domain *domain, int is_open) |
| 881 | { |
| 882 | int ret = 0; |
| 883 | const char *str_domain; |
| 884 | const char *str_buffer; |
| 885 | |
| 886 | assert(domain); |
| 887 | |
| 888 | /* Open domain element */ |
| 889 | ret = mi_lttng_writer_open_element(writer, config_element_domain); |
| 890 | if (ret) { |
| 891 | goto end; |
| 892 | } |
| 893 | |
| 894 | /* Domain Type */ |
| 895 | str_domain = mi_lttng_domaintype_string(domain->type); |
| 896 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, |
| 897 | str_domain); |
| 898 | if (ret) { |
| 899 | goto end; |
| 900 | } |
| 901 | |
| 902 | /* Buffer Type */ |
| 903 | str_buffer= mi_lttng_buffertype_string(domain->buf_type); |
| 904 | ret = mi_lttng_writer_write_element_string(writer, |
| 905 | config_element_buffer_type, str_buffer); |
| 906 | if (ret) { |
| 907 | goto end; |
| 908 | } |
| 909 | |
| 910 | /* TODO: union attr |
| 911 | * This union is not currently used and was added for |
| 912 | * future ust domain support. |
| 913 | * Date: 25-06-2014 |
| 914 | * */ |
| 915 | |
| 916 | if (!is_open) { |
| 917 | /* Closing domain element */ |
| 918 | ret = mi_lttng_writer_close_element(writer); |
| 919 | } |
| 920 | |
| 921 | end: |
| 922 | return ret; |
| 923 | |
| 924 | } |
| 925 | |
| 926 | LTTNG_HIDDEN |
| 927 | int mi_lttng_channels_open(struct mi_writer *writer) |
| 928 | { |
| 929 | return mi_lttng_writer_open_element(writer, config_element_channels); |
| 930 | } |
| 931 | |
| 932 | LTTNG_HIDDEN |
| 933 | int mi_lttng_channel(struct mi_writer *writer, |
| 934 | struct lttng_channel *channel, int is_open) |
| 935 | { |
| 936 | int ret = 0; |
| 937 | |
| 938 | assert(channel); |
| 939 | |
| 940 | /* Opening channel element */ |
| 941 | ret = mi_lttng_writer_open_element(writer, config_element_channel); |
| 942 | if (ret) { |
| 943 | goto end; |
| 944 | } |
| 945 | |
| 946 | /* Name */ |
| 947 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, |
| 948 | channel->name); |
| 949 | if (ret) { |
| 950 | goto end; |
| 951 | } |
| 952 | |
| 953 | /* Enabled ? */ |
| 954 | ret = mi_lttng_writer_write_element_bool(writer, |
| 955 | config_element_enabled, channel->enabled); |
| 956 | if (ret) { |
| 957 | goto end; |
| 958 | } |
| 959 | |
| 960 | /* Attribute */ |
| 961 | ret = mi_lttng_channel_attr(writer, &channel->attr); |
| 962 | if (ret) { |
| 963 | goto end; |
| 964 | } |
| 965 | |
| 966 | if (!is_open) { |
| 967 | /* Closing channel element */ |
| 968 | ret = mi_lttng_writer_close_element(writer); |
| 969 | if (ret) { |
| 970 | goto end; |
| 971 | } |
| 972 | } |
| 973 | end: |
| 974 | return ret; |
| 975 | } |
| 976 | |
| 977 | LTTNG_HIDDEN |
| 978 | int mi_lttng_channel_attr(struct mi_writer *writer, |
| 979 | struct lttng_channel_attr *attr) |
| 980 | { |
| 981 | int ret = 0; |
| 982 | struct lttng_channel *chan = caa_container_of(attr, |
| 983 | struct lttng_channel, attr); |
| 984 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
| 985 | int64_t blocking_timeout; |
| 986 | |
| 987 | assert(attr); |
| 988 | |
| 989 | ret = lttng_channel_get_discarded_event_count(chan, &discarded_events); |
| 990 | if (ret) { |
| 991 | goto end; |
| 992 | } |
| 993 | |
| 994 | ret = lttng_channel_get_lost_packet_count(chan, &lost_packets); |
| 995 | if (ret) { |
| 996 | goto end; |
| 997 | } |
| 998 | |
| 999 | ret = lttng_channel_get_monitor_timer_interval(chan, |
| 1000 | &monitor_timer_interval); |
| 1001 | if (ret) { |
| 1002 | goto end; |
| 1003 | } |
| 1004 | |
| 1005 | ret = lttng_channel_get_blocking_timeout(chan, |
| 1006 | &blocking_timeout); |
| 1007 | if (ret) { |
| 1008 | goto end; |
| 1009 | } |
| 1010 | |
| 1011 | /* Opening Attributes */ |
| 1012 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); |
| 1013 | if (ret) { |
| 1014 | goto end; |
| 1015 | } |
| 1016 | |
| 1017 | /* Overwrite */ |
| 1018 | ret = mi_lttng_writer_write_element_string(writer, |
| 1019 | config_element_overwrite_mode, |
| 1020 | attr->overwrite ? config_overwrite_mode_overwrite : |
| 1021 | config_overwrite_mode_discard); |
| 1022 | if (ret) { |
| 1023 | goto end; |
| 1024 | } |
| 1025 | |
| 1026 | /* Sub buffer size in byte */ |
| 1027 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1028 | config_element_subbuf_size, attr->subbuf_size); |
| 1029 | if (ret) { |
| 1030 | goto end; |
| 1031 | } |
| 1032 | |
| 1033 | /* Number of subbuffer (power of two) */ |
| 1034 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1035 | config_element_num_subbuf, |
| 1036 | attr->num_subbuf); |
| 1037 | if (ret) { |
| 1038 | goto end; |
| 1039 | } |
| 1040 | |
| 1041 | /* Switch timer interval in usec */ |
| 1042 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1043 | config_element_switch_timer_interval, |
| 1044 | attr->switch_timer_interval); |
| 1045 | if (ret) { |
| 1046 | goto end; |
| 1047 | } |
| 1048 | |
| 1049 | /* Read timer interval in usec */ |
| 1050 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1051 | config_element_read_timer_interval, |
| 1052 | attr->read_timer_interval); |
| 1053 | if (ret) { |
| 1054 | goto end; |
| 1055 | } |
| 1056 | |
| 1057 | /* Monitor timer interval in usec */ |
| 1058 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1059 | config_element_monitor_timer_interval, |
| 1060 | monitor_timer_interval); |
| 1061 | if (ret) { |
| 1062 | goto end; |
| 1063 | } |
| 1064 | |
| 1065 | /* Retry timeout in usec */ |
| 1066 | ret = mi_lttng_writer_write_element_signed_int(writer, |
| 1067 | config_element_blocking_timeout, |
| 1068 | blocking_timeout); |
| 1069 | if (ret) { |
| 1070 | goto end; |
| 1071 | } |
| 1072 | |
| 1073 | /* Event output */ |
| 1074 | ret = mi_lttng_writer_write_element_string(writer, |
| 1075 | config_element_output_type, |
| 1076 | attr->output == LTTNG_EVENT_SPLICE ? |
| 1077 | config_output_type_splice : config_output_type_mmap); |
| 1078 | if (ret) { |
| 1079 | goto end; |
| 1080 | } |
| 1081 | |
| 1082 | /* Tracefile size in bytes */ |
| 1083 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1084 | config_element_tracefile_size, attr->tracefile_size); |
| 1085 | if (ret) { |
| 1086 | goto end; |
| 1087 | } |
| 1088 | |
| 1089 | /* Count of tracefiles */ |
| 1090 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1091 | config_element_tracefile_count, |
| 1092 | attr->tracefile_count); |
| 1093 | if (ret) { |
| 1094 | goto end; |
| 1095 | } |
| 1096 | |
| 1097 | /* Live timer interval in usec*/ |
| 1098 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1099 | config_element_live_timer_interval, |
| 1100 | attr->live_timer_interval); |
| 1101 | if (ret) { |
| 1102 | goto end; |
| 1103 | } |
| 1104 | |
| 1105 | /* Discarded events */ |
| 1106 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1107 | config_element_discarded_events, |
| 1108 | discarded_events); |
| 1109 | if (ret) { |
| 1110 | goto end; |
| 1111 | } |
| 1112 | |
| 1113 | /* Lost packets */ |
| 1114 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1115 | config_element_lost_packets, |
| 1116 | lost_packets); |
| 1117 | if (ret) { |
| 1118 | goto end; |
| 1119 | } |
| 1120 | |
| 1121 | /* Closing attributes */ |
| 1122 | ret = mi_lttng_writer_close_element(writer); |
| 1123 | if (ret) { |
| 1124 | goto end; |
| 1125 | } |
| 1126 | end: |
| 1127 | return ret; |
| 1128 | |
| 1129 | } |
| 1130 | |
| 1131 | LTTNG_HIDDEN |
| 1132 | int mi_lttng_event_common_attributes(struct mi_writer *writer, |
| 1133 | struct lttng_event *event) |
| 1134 | { |
| 1135 | int ret; |
| 1136 | const char *filter_expression; |
| 1137 | |
| 1138 | /* Open event element */ |
| 1139 | ret = mi_lttng_writer_open_element(writer, config_element_event); |
| 1140 | if (ret) { |
| 1141 | goto end; |
| 1142 | } |
| 1143 | |
| 1144 | /* Event name */ |
| 1145 | ret = mi_lttng_writer_write_element_string(writer, |
| 1146 | config_element_name, event->name); |
| 1147 | if (ret) { |
| 1148 | goto end; |
| 1149 | } |
| 1150 | |
| 1151 | /* Event type */ |
| 1152 | ret = mi_lttng_writer_write_element_string(writer, |
| 1153 | config_element_type, mi_lttng_eventtype_string(event->type)); |
| 1154 | if (ret) { |
| 1155 | goto end; |
| 1156 | } |
| 1157 | |
| 1158 | /* Is event enabled */ |
| 1159 | ret = mi_lttng_writer_write_element_bool(writer, |
| 1160 | config_element_enabled, event->enabled); |
| 1161 | if (ret) { |
| 1162 | goto end; |
| 1163 | } |
| 1164 | |
| 1165 | /* Event filter expression */ |
| 1166 | ret = lttng_event_get_filter_expression(event, &filter_expression); |
| 1167 | if (ret) { |
| 1168 | goto end; |
| 1169 | } |
| 1170 | |
| 1171 | if (filter_expression) { |
| 1172 | ret = mi_lttng_writer_write_element_string(writer, |
| 1173 | config_element_filter_expression, |
| 1174 | filter_expression); |
| 1175 | if (ret) { |
| 1176 | goto end; |
| 1177 | } |
| 1178 | } |
| 1179 | |
| 1180 | end: |
| 1181 | return ret; |
| 1182 | } |
| 1183 | |
| 1184 | static int write_event_exclusions(struct mi_writer *writer, |
| 1185 | struct lttng_event *event) |
| 1186 | { |
| 1187 | int i; |
| 1188 | int ret; |
| 1189 | int exclusion_count; |
| 1190 | |
| 1191 | /* Open event exclusions */ |
| 1192 | ret = mi_lttng_writer_open_element(writer, config_element_exclusions); |
| 1193 | if (ret) { |
| 1194 | goto end; |
| 1195 | } |
| 1196 | |
| 1197 | exclusion_count = lttng_event_get_exclusion_name_count(event); |
| 1198 | if (exclusion_count < 0) { |
| 1199 | ret = exclusion_count; |
| 1200 | goto end; |
| 1201 | } |
| 1202 | |
| 1203 | for (i = 0; i < exclusion_count; i++) { |
| 1204 | const char *name; |
| 1205 | |
| 1206 | ret = lttng_event_get_exclusion_name(event, i, &name); |
| 1207 | if (ret) { |
| 1208 | /* Close exclusions */ |
| 1209 | mi_lttng_writer_close_element(writer); |
| 1210 | goto end; |
| 1211 | } |
| 1212 | |
| 1213 | ret = mi_lttng_writer_write_element_string(writer, |
| 1214 | config_element_exclusion, name); |
| 1215 | if (ret) { |
| 1216 | /* Close exclusions */ |
| 1217 | mi_lttng_writer_close_element(writer); |
| 1218 | goto end; |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | /* Close exclusions */ |
| 1223 | ret = mi_lttng_writer_close_element(writer); |
| 1224 | |
| 1225 | end: |
| 1226 | return ret; |
| 1227 | } |
| 1228 | |
| 1229 | LTTNG_HIDDEN |
| 1230 | int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer, |
| 1231 | struct lttng_event *event, enum lttng_domain_type domain) |
| 1232 | { |
| 1233 | int ret; |
| 1234 | |
| 1235 | /* Event loglevel */ |
| 1236 | ret = mi_lttng_writer_write_element_string(writer, |
| 1237 | config_element_loglevel, |
| 1238 | mi_lttng_loglevel_string(event->loglevel, domain)); |
| 1239 | if (ret) { |
| 1240 | goto end; |
| 1241 | } |
| 1242 | |
| 1243 | /* Log level type */ |
| 1244 | ret = mi_lttng_writer_write_element_string(writer, |
| 1245 | config_element_loglevel_type, |
| 1246 | mi_lttng_logleveltype_string(event->loglevel_type)); |
| 1247 | if (ret) { |
| 1248 | goto end; |
| 1249 | } |
| 1250 | |
| 1251 | /* Event exclusions */ |
| 1252 | ret = write_event_exclusions(writer, event); |
| 1253 | |
| 1254 | end: |
| 1255 | return ret; |
| 1256 | } |
| 1257 | |
| 1258 | LTTNG_HIDDEN |
| 1259 | int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer, |
| 1260 | struct lttng_event *event) |
| 1261 | { |
| 1262 | /* event exclusion filter */ |
| 1263 | return write_event_exclusions(writer, event); |
| 1264 | } |
| 1265 | |
| 1266 | LTTNG_HIDDEN |
| 1267 | int mi_lttng_event_function_probe(struct mi_writer *writer, |
| 1268 | struct lttng_event *event) |
| 1269 | { |
| 1270 | int ret; |
| 1271 | |
| 1272 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); |
| 1273 | if (ret) { |
| 1274 | goto end; |
| 1275 | } |
| 1276 | |
| 1277 | ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes); |
| 1278 | if (ret) { |
| 1279 | goto end; |
| 1280 | } |
| 1281 | |
| 1282 | if (event->attr.probe.addr != 0) { |
| 1283 | /* event probe address */ |
| 1284 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1285 | config_element_address, event->attr.probe.addr); |
| 1286 | if (ret) { |
| 1287 | goto end; |
| 1288 | } |
| 1289 | } else { |
| 1290 | /* event probe offset */ |
| 1291 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1292 | config_element_offset, event->attr.probe.offset); |
| 1293 | if (ret) { |
| 1294 | goto end; |
| 1295 | } |
| 1296 | |
| 1297 | /* event probe symbol_name */ |
| 1298 | ret = mi_lttng_writer_write_element_string(writer, |
| 1299 | config_element_symbol_name, event->attr.probe.symbol_name); |
| 1300 | if (ret) { |
| 1301 | goto end; |
| 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | /* Close probe_attributes and attributes */ |
| 1306 | ret = mi_lttng_close_multi_element(writer, 2); |
| 1307 | end: |
| 1308 | return ret; |
| 1309 | } |
| 1310 | |
| 1311 | static |
| 1312 | int mi_lttng_event_userspace_probe(struct mi_writer *writer, |
| 1313 | struct lttng_event *event) |
| 1314 | { |
| 1315 | int ret; |
| 1316 | const struct lttng_userspace_probe_location *location; |
| 1317 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; |
| 1318 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
| 1319 | |
| 1320 | location = lttng_event_get_userspace_probe_location(event); |
| 1321 | if (!location) { |
| 1322 | ret = -LTTNG_ERR_INVALID; |
| 1323 | goto end; |
| 1324 | } |
| 1325 | |
| 1326 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); |
| 1327 | if (!lookup_method) { |
| 1328 | ret = -LTTNG_ERR_INVALID; |
| 1329 | goto end; |
| 1330 | } |
| 1331 | |
| 1332 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); |
| 1333 | |
| 1334 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); |
| 1335 | if (ret) { |
| 1336 | goto end; |
| 1337 | } |
| 1338 | |
| 1339 | switch (lttng_userspace_probe_location_get_type(location)) { |
| 1340 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: |
| 1341 | { |
| 1342 | const char *function_name; |
| 1343 | const char *binary_path; |
| 1344 | |
| 1345 | ret = mi_lttng_writer_open_element(writer, |
| 1346 | config_element_userspace_probe_function_attributes); |
| 1347 | if (ret) { |
| 1348 | goto end; |
| 1349 | } |
| 1350 | |
| 1351 | switch (lookup_type) { |
| 1352 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: |
| 1353 | ret = mi_lttng_writer_write_element_string(writer, |
| 1354 | config_element_userspace_probe_lookup, |
| 1355 | config_element_userspace_probe_lookup_function_elf); |
| 1356 | if (ret) { |
| 1357 | goto end; |
| 1358 | } |
| 1359 | break; |
| 1360 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: |
| 1361 | ret = mi_lttng_writer_write_element_string(writer, |
| 1362 | config_element_userspace_probe_lookup, |
| 1363 | config_element_userspace_probe_lookup_function_default); |
| 1364 | if (ret) { |
| 1365 | goto end; |
| 1366 | } |
| 1367 | break; |
| 1368 | default: |
| 1369 | goto end; |
| 1370 | } |
| 1371 | |
| 1372 | binary_path = lttng_userspace_probe_location_function_get_binary_path(location); |
| 1373 | ret = mi_lttng_writer_write_element_string(writer, |
| 1374 | config_element_userspace_probe_location_binary_path, binary_path); |
| 1375 | if (ret) { |
| 1376 | goto end; |
| 1377 | } |
| 1378 | |
| 1379 | function_name = lttng_userspace_probe_location_function_get_function_name(location); |
| 1380 | ret = mi_lttng_writer_write_element_string(writer, |
| 1381 | config_element_userspace_probe_function_location_function_name, |
| 1382 | function_name); |
| 1383 | if (ret) { |
| 1384 | goto end; |
| 1385 | } |
| 1386 | |
| 1387 | break; |
| 1388 | } |
| 1389 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: |
| 1390 | { |
| 1391 | const char *probe_name, *provider_name; |
| 1392 | const char *binary_path; |
| 1393 | |
| 1394 | ret = mi_lttng_writer_open_element(writer, |
| 1395 | config_element_userspace_probe_function_attributes); |
| 1396 | if (ret) { |
| 1397 | goto end; |
| 1398 | } |
| 1399 | |
| 1400 | switch (lookup_type) { |
| 1401 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: |
| 1402 | ret = mi_lttng_writer_write_element_string(writer, |
| 1403 | config_element_userspace_probe_lookup, |
| 1404 | config_element_userspace_probe_lookup_tracepoint_sdt); |
| 1405 | if (ret) { |
| 1406 | goto end; |
| 1407 | } |
| 1408 | break; |
| 1409 | default: |
| 1410 | goto end; |
| 1411 | } |
| 1412 | |
| 1413 | binary_path = lttng_userspace_probe_location_tracepoint_get_binary_path(location); |
| 1414 | ret = mi_lttng_writer_write_element_string(writer, |
| 1415 | config_element_userspace_probe_location_binary_path, |
| 1416 | binary_path); |
| 1417 | if (ret) { |
| 1418 | goto end; |
| 1419 | } |
| 1420 | |
| 1421 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); |
| 1422 | ret = mi_lttng_writer_write_element_string(writer, |
| 1423 | config_element_userspace_probe_tracepoint_location_provider_name, |
| 1424 | provider_name); |
| 1425 | if (ret) { |
| 1426 | goto end; |
| 1427 | } |
| 1428 | |
| 1429 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); |
| 1430 | ret = mi_lttng_writer_write_element_string(writer, |
| 1431 | config_element_userspace_probe_tracepoint_location_probe_name, probe_name); |
| 1432 | if (ret) { |
| 1433 | goto end; |
| 1434 | } |
| 1435 | break; |
| 1436 | } |
| 1437 | default: |
| 1438 | ERR("Invalid probe type encountered"); |
| 1439 | } |
| 1440 | /* Close probe_attributes and attributes */ |
| 1441 | ret = mi_lttng_close_multi_element(writer, 2); |
| 1442 | end: |
| 1443 | return ret; |
| 1444 | } |
| 1445 | |
| 1446 | LTTNG_HIDDEN |
| 1447 | int mi_lttng_event_function_entry(struct mi_writer *writer, |
| 1448 | struct lttng_event *event) |
| 1449 | { |
| 1450 | int ret; |
| 1451 | |
| 1452 | ret = mi_lttng_writer_open_element(writer, config_element_attributes); |
| 1453 | if (ret) { |
| 1454 | goto end; |
| 1455 | } |
| 1456 | |
| 1457 | ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes); |
| 1458 | if (ret) { |
| 1459 | goto end; |
| 1460 | } |
| 1461 | |
| 1462 | /* event probe symbol_name */ |
| 1463 | ret = mi_lttng_writer_write_element_string(writer, |
| 1464 | config_element_symbol_name, event->attr.ftrace.symbol_name); |
| 1465 | if (ret) { |
| 1466 | goto end; |
| 1467 | } |
| 1468 | |
| 1469 | /* Close function_attributes and attributes */ |
| 1470 | ret = mi_lttng_close_multi_element(writer, 2); |
| 1471 | end: |
| 1472 | return ret; |
| 1473 | } |
| 1474 | |
| 1475 | LTTNG_HIDDEN |
| 1476 | int mi_lttng_events_open(struct mi_writer *writer) |
| 1477 | { |
| 1478 | return mi_lttng_writer_open_element(writer, config_element_events); |
| 1479 | } |
| 1480 | |
| 1481 | LTTNG_HIDDEN |
| 1482 | int mi_lttng_event(struct mi_writer *writer, |
| 1483 | struct lttng_event *event, int is_open, enum lttng_domain_type domain) |
| 1484 | { |
| 1485 | int ret; |
| 1486 | |
| 1487 | ret = mi_lttng_event_common_attributes(writer, event); |
| 1488 | if (ret) { |
| 1489 | goto end; |
| 1490 | } |
| 1491 | |
| 1492 | switch (event->type) { |
| 1493 | case LTTNG_EVENT_TRACEPOINT: |
| 1494 | { |
| 1495 | if (event->loglevel != -1) { |
| 1496 | ret = mi_lttng_event_tracepoint_loglevel(writer, event, domain); |
| 1497 | } else { |
| 1498 | ret = mi_lttng_event_tracepoint_no_loglevel(writer, event); |
| 1499 | } |
| 1500 | break; |
| 1501 | } |
| 1502 | case LTTNG_EVENT_FUNCTION: |
| 1503 | /* Fallthrough */ |
| 1504 | case LTTNG_EVENT_PROBE: |
| 1505 | ret = mi_lttng_event_function_probe(writer, event); |
| 1506 | break; |
| 1507 | case LTTNG_EVENT_FUNCTION_ENTRY: |
| 1508 | ret = mi_lttng_event_function_entry(writer, event); |
| 1509 | break; |
| 1510 | case LTTNG_EVENT_USERSPACE_PROBE: |
| 1511 | ret = mi_lttng_event_userspace_probe(writer, event); |
| 1512 | break; |
| 1513 | case LTTNG_EVENT_ALL: |
| 1514 | /* Fallthrough */ |
| 1515 | default: |
| 1516 | break; |
| 1517 | } |
| 1518 | |
| 1519 | if (ret) { |
| 1520 | goto end; |
| 1521 | } |
| 1522 | |
| 1523 | if (!is_open) { |
| 1524 | ret = mi_lttng_writer_close_element(writer); |
| 1525 | } |
| 1526 | |
| 1527 | end: |
| 1528 | return ret; |
| 1529 | } |
| 1530 | |
| 1531 | LTTNG_HIDDEN |
| 1532 | int mi_lttng_trackers_open(struct mi_writer *writer) |
| 1533 | { |
| 1534 | return mi_lttng_writer_open_element( |
| 1535 | writer, config_element_process_attr_trackers); |
| 1536 | } |
| 1537 | |
| 1538 | static int get_tracker_elements(enum lttng_process_attr process_attr, |
| 1539 | const char **element_process_attr_tracker, |
| 1540 | const char **element_process_attr_value) |
| 1541 | { |
| 1542 | int ret = 0; |
| 1543 | |
| 1544 | switch (process_attr) { |
| 1545 | case LTTNG_PROCESS_ATTR_PROCESS_ID: |
| 1546 | *element_process_attr_tracker = |
| 1547 | config_element_process_attr_tracker_pid; |
| 1548 | *element_process_attr_value = |
| 1549 | config_element_process_attr_pid_value; |
| 1550 | break; |
| 1551 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: |
| 1552 | *element_process_attr_tracker = |
| 1553 | config_element_process_attr_tracker_vpid; |
| 1554 | *element_process_attr_value = |
| 1555 | config_element_process_attr_vpid_value; |
| 1556 | break; |
| 1557 | case LTTNG_PROCESS_ATTR_USER_ID: |
| 1558 | *element_process_attr_tracker = |
| 1559 | config_element_process_attr_tracker_uid; |
| 1560 | *element_process_attr_value = |
| 1561 | config_element_process_attr_uid_value; |
| 1562 | break; |
| 1563 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: |
| 1564 | *element_process_attr_tracker = |
| 1565 | config_element_process_attr_tracker_vuid; |
| 1566 | *element_process_attr_value = |
| 1567 | config_element_process_attr_vuid_value; |
| 1568 | break; |
| 1569 | case LTTNG_PROCESS_ATTR_GROUP_ID: |
| 1570 | *element_process_attr_tracker = |
| 1571 | config_element_process_attr_tracker_gid; |
| 1572 | *element_process_attr_value = |
| 1573 | config_element_process_attr_gid_value; |
| 1574 | break; |
| 1575 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: |
| 1576 | *element_process_attr_tracker = |
| 1577 | config_element_process_attr_tracker_vgid; |
| 1578 | *element_process_attr_value = |
| 1579 | config_element_process_attr_vgid_value; |
| 1580 | break; |
| 1581 | default: |
| 1582 | ret = LTTNG_ERR_SAVE_IO_FAIL; |
| 1583 | } |
| 1584 | return ret; |
| 1585 | } |
| 1586 | |
| 1587 | LTTNG_HIDDEN |
| 1588 | int mi_lttng_process_attribute_tracker_open( |
| 1589 | struct mi_writer *writer, enum lttng_process_attr process_attr) |
| 1590 | { |
| 1591 | int ret; |
| 1592 | const char *element_tracker, *element_value; |
| 1593 | |
| 1594 | ret = get_tracker_elements( |
| 1595 | process_attr, &element_tracker, &element_value); |
| 1596 | if (ret) { |
| 1597 | return ret; |
| 1598 | } |
| 1599 | |
| 1600 | /* Open process attribute tracker element */ |
| 1601 | ret = mi_lttng_writer_open_element(writer, element_tracker); |
| 1602 | if (ret) { |
| 1603 | goto end; |
| 1604 | } |
| 1605 | |
| 1606 | /* Open values element */ |
| 1607 | ret = mi_lttng_process_attr_values_open(writer); |
| 1608 | end: |
| 1609 | return ret; |
| 1610 | } |
| 1611 | |
| 1612 | LTTNG_HIDDEN |
| 1613 | int mi_lttng_pids_open(struct mi_writer *writer) |
| 1614 | { |
| 1615 | return mi_lttng_writer_open_element(writer, config_element_pids); |
| 1616 | } |
| 1617 | |
| 1618 | /* |
| 1619 | * TODO: move the listing of pid for user agent to process semantic on |
| 1620 | * mi api bump. The use of process element break the mi api. |
| 1621 | */ |
| 1622 | LTTNG_HIDDEN |
| 1623 | int mi_lttng_pid(struct mi_writer *writer, |
| 1624 | pid_t pid, |
| 1625 | const char *name, |
| 1626 | int is_open) |
| 1627 | { |
| 1628 | int ret; |
| 1629 | |
| 1630 | /* Open pid process */ |
| 1631 | ret = mi_lttng_writer_open_element(writer, config_element_pid); |
| 1632 | if (ret) { |
| 1633 | goto end; |
| 1634 | } |
| 1635 | |
| 1636 | /* Writing pid number */ |
| 1637 | ret = mi_lttng_writer_write_element_signed_int(writer, |
| 1638 | mi_lttng_element_pid_id, (int)pid); |
| 1639 | if (ret) { |
| 1640 | goto end; |
| 1641 | } |
| 1642 | |
| 1643 | /* Writing name of the process */ |
| 1644 | if (name) { |
| 1645 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, |
| 1646 | name); |
| 1647 | if (ret) { |
| 1648 | goto end; |
| 1649 | } |
| 1650 | } |
| 1651 | |
| 1652 | if (!is_open) { |
| 1653 | /* Closing Pid */ |
| 1654 | ret = mi_lttng_writer_close_element(writer); |
| 1655 | } |
| 1656 | |
| 1657 | end: |
| 1658 | return ret; |
| 1659 | } |
| 1660 | |
| 1661 | LTTNG_HIDDEN |
| 1662 | int mi_lttng_process_attr_values_open(struct mi_writer *writer) |
| 1663 | { |
| 1664 | return mi_lttng_writer_open_element( |
| 1665 | writer, config_element_process_attr_values); |
| 1666 | } |
| 1667 | |
| 1668 | LTTNG_HIDDEN |
| 1669 | int mi_lttng_all_process_attribute_value(struct mi_writer *writer, |
| 1670 | enum lttng_process_attr process_attr, |
| 1671 | bool is_open) |
| 1672 | { |
| 1673 | int ret; |
| 1674 | const char *element_id_tracker, *element_target_id; |
| 1675 | |
| 1676 | ret = get_tracker_elements( |
| 1677 | process_attr, &element_id_tracker, &element_target_id); |
| 1678 | if (ret) { |
| 1679 | return ret; |
| 1680 | } |
| 1681 | |
| 1682 | ret = mi_lttng_writer_open_element(writer, element_target_id); |
| 1683 | if (ret) { |
| 1684 | goto end; |
| 1685 | } |
| 1686 | |
| 1687 | ret = mi_lttng_writer_open_element(writer, config_element_type); |
| 1688 | if (ret) { |
| 1689 | goto end; |
| 1690 | } |
| 1691 | |
| 1692 | ret = mi_lttng_writer_write_element_bool(writer, config_element_all, 1); |
| 1693 | if (ret) { |
| 1694 | goto end; |
| 1695 | } |
| 1696 | |
| 1697 | ret = mi_lttng_writer_close_element(writer); |
| 1698 | if (ret) { |
| 1699 | goto end; |
| 1700 | } |
| 1701 | |
| 1702 | if (!is_open) { |
| 1703 | ret = mi_lttng_writer_close_element(writer); |
| 1704 | if (ret) { |
| 1705 | goto end; |
| 1706 | } |
| 1707 | } |
| 1708 | end: |
| 1709 | return ret; |
| 1710 | } |
| 1711 | |
| 1712 | LTTNG_HIDDEN |
| 1713 | int mi_lttng_integral_process_attribute_value(struct mi_writer *writer, |
| 1714 | enum lttng_process_attr process_attr, |
| 1715 | int64_t value, |
| 1716 | bool is_open) |
| 1717 | { |
| 1718 | int ret; |
| 1719 | const char *element_id_tracker, *element_target_id; |
| 1720 | |
| 1721 | ret = get_tracker_elements( |
| 1722 | process_attr, &element_id_tracker, &element_target_id); |
| 1723 | if (ret) { |
| 1724 | return ret; |
| 1725 | } |
| 1726 | |
| 1727 | ret = mi_lttng_writer_open_element(writer, element_target_id); |
| 1728 | if (ret) { |
| 1729 | goto end; |
| 1730 | } |
| 1731 | |
| 1732 | ret = mi_lttng_writer_open_element(writer, config_element_type); |
| 1733 | if (ret) { |
| 1734 | goto end; |
| 1735 | } |
| 1736 | |
| 1737 | ret = mi_lttng_writer_write_element_signed_int( |
| 1738 | writer, config_element_process_attr_id, value); |
| 1739 | if (ret) { |
| 1740 | goto end; |
| 1741 | } |
| 1742 | |
| 1743 | ret = mi_lttng_writer_close_element(writer); |
| 1744 | if (ret) { |
| 1745 | goto end; |
| 1746 | } |
| 1747 | |
| 1748 | if (!is_open) { |
| 1749 | ret = mi_lttng_writer_close_element(writer); |
| 1750 | if (ret) { |
| 1751 | goto end; |
| 1752 | } |
| 1753 | } |
| 1754 | |
| 1755 | end: |
| 1756 | return ret; |
| 1757 | } |
| 1758 | |
| 1759 | LTTNG_HIDDEN |
| 1760 | int mi_lttng_string_process_attribute_value(struct mi_writer *writer, |
| 1761 | enum lttng_process_attr process_attr, |
| 1762 | const char *value, |
| 1763 | bool is_open) |
| 1764 | |
| 1765 | { |
| 1766 | int ret; |
| 1767 | const char *element_id_tracker, *element_target_id; |
| 1768 | |
| 1769 | ret = get_tracker_elements( |
| 1770 | process_attr, &element_id_tracker, &element_target_id); |
| 1771 | if (ret) { |
| 1772 | return ret; |
| 1773 | } |
| 1774 | |
| 1775 | ret = mi_lttng_writer_open_element(writer, element_target_id); |
| 1776 | if (ret) { |
| 1777 | goto end; |
| 1778 | } |
| 1779 | |
| 1780 | ret = mi_lttng_writer_open_element(writer, config_element_type); |
| 1781 | if (ret) { |
| 1782 | goto end; |
| 1783 | } |
| 1784 | |
| 1785 | ret = mi_lttng_writer_write_element_string( |
| 1786 | writer, config_element_name, value); |
| 1787 | if (ret) { |
| 1788 | goto end; |
| 1789 | } |
| 1790 | |
| 1791 | ret = mi_lttng_writer_close_element(writer); |
| 1792 | if (ret) { |
| 1793 | goto end; |
| 1794 | } |
| 1795 | |
| 1796 | if (!is_open) { |
| 1797 | ret = mi_lttng_writer_close_element(writer); |
| 1798 | if (ret) { |
| 1799 | goto end; |
| 1800 | } |
| 1801 | } |
| 1802 | |
| 1803 | end: |
| 1804 | return ret; |
| 1805 | } |
| 1806 | |
| 1807 | LTTNG_HIDDEN |
| 1808 | int mi_lttng_event_fields_open(struct mi_writer *writer) |
| 1809 | { |
| 1810 | return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields); |
| 1811 | } |
| 1812 | |
| 1813 | LTTNG_HIDDEN |
| 1814 | int mi_lttng_event_field(struct mi_writer *writer, |
| 1815 | struct lttng_event_field *field) |
| 1816 | { |
| 1817 | int ret; |
| 1818 | |
| 1819 | if (!field->field_name[0]) { |
| 1820 | ret = 0; |
| 1821 | goto end; |
| 1822 | } |
| 1823 | |
| 1824 | /* Open field */ |
| 1825 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field); |
| 1826 | if (ret) { |
| 1827 | goto end; |
| 1828 | } |
| 1829 | |
| 1830 | if (!field->field_name[0]) { |
| 1831 | goto close; |
| 1832 | } |
| 1833 | |
| 1834 | /* Name */ |
| 1835 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, |
| 1836 | field->field_name); |
| 1837 | if (ret) { |
| 1838 | goto end; |
| 1839 | } |
| 1840 | |
| 1841 | /* Type */ |
| 1842 | ret = mi_lttng_writer_write_element_string(writer, config_element_type, |
| 1843 | mi_lttng_eventfieldtype_string(field->type)); |
| 1844 | if (ret) { |
| 1845 | goto end; |
| 1846 | } |
| 1847 | |
| 1848 | /* nowrite */ |
| 1849 | ret = mi_lttng_writer_write_element_signed_int(writer, |
| 1850 | mi_lttng_element_nowrite, field->nowrite); |
| 1851 | if (ret) { |
| 1852 | goto end; |
| 1853 | } |
| 1854 | |
| 1855 | close: |
| 1856 | /* Close field element */ |
| 1857 | ret = mi_lttng_writer_close_element(writer); |
| 1858 | |
| 1859 | end: |
| 1860 | return ret; |
| 1861 | } |
| 1862 | |
| 1863 | LTTNG_HIDDEN |
| 1864 | int mi_lttng_perf_counter_context(struct mi_writer *writer, |
| 1865 | struct lttng_event_perf_counter_ctx *perf_context) |
| 1866 | { |
| 1867 | int ret; |
| 1868 | |
| 1869 | /* Open perf_counter_context */ |
| 1870 | ret = mi_lttng_writer_open_element(writer, |
| 1871 | mi_lttng_element_perf_counter_context); |
| 1872 | if (ret) { |
| 1873 | goto end; |
| 1874 | } |
| 1875 | |
| 1876 | /* Type */ |
| 1877 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1878 | config_element_type, perf_context->type); |
| 1879 | if (ret) { |
| 1880 | goto end; |
| 1881 | } |
| 1882 | |
| 1883 | /* Config */ |
| 1884 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 1885 | config_element_config, perf_context->config); |
| 1886 | if (ret) { |
| 1887 | goto end; |
| 1888 | } |
| 1889 | |
| 1890 | /* Name of the perf counter */ |
| 1891 | ret = mi_lttng_writer_write_element_string(writer, |
| 1892 | config_element_name, perf_context->name); |
| 1893 | if (ret) { |
| 1894 | goto end; |
| 1895 | } |
| 1896 | |
| 1897 | /* Close perf_counter_context */ |
| 1898 | ret = mi_lttng_writer_close_element(writer); |
| 1899 | end: |
| 1900 | return ret; |
| 1901 | } |
| 1902 | |
| 1903 | static |
| 1904 | int mi_lttng_app_context(struct mi_writer *writer, |
| 1905 | const char *provider_name, const char *ctx_name) |
| 1906 | { |
| 1907 | int ret; |
| 1908 | |
| 1909 | /* Open app */ |
| 1910 | ret = mi_lttng_writer_open_element(writer, |
| 1911 | config_element_context_app); |
| 1912 | if (ret) { |
| 1913 | goto end; |
| 1914 | } |
| 1915 | |
| 1916 | /* provider_name */ |
| 1917 | ret = mi_lttng_writer_write_element_string(writer, |
| 1918 | config_element_context_app_provider_name, |
| 1919 | provider_name); |
| 1920 | if (ret) { |
| 1921 | goto end; |
| 1922 | } |
| 1923 | |
| 1924 | /* ctx_name */ |
| 1925 | ret = mi_lttng_writer_write_element_string(writer, |
| 1926 | config_element_context_app_ctx_name, ctx_name); |
| 1927 | if (ret) { |
| 1928 | goto end; |
| 1929 | } |
| 1930 | |
| 1931 | /* Close app */ |
| 1932 | ret = mi_lttng_writer_close_element(writer); |
| 1933 | end: |
| 1934 | return ret; |
| 1935 | } |
| 1936 | |
| 1937 | LTTNG_HIDDEN |
| 1938 | int mi_lttng_context(struct mi_writer *writer, |
| 1939 | struct lttng_event_context *context, int is_open) |
| 1940 | { |
| 1941 | int ret; |
| 1942 | |
| 1943 | /* Open context */ |
| 1944 | ret = mi_lttng_writer_open_element(writer , config_element_context); |
| 1945 | if (ret) { |
| 1946 | goto end; |
| 1947 | } |
| 1948 | |
| 1949 | /* Special case for PERF_*_COUNTER |
| 1950 | * print the lttng_event_perf_counter_ctx*/ |
| 1951 | switch (context->ctx) { |
| 1952 | case LTTNG_EVENT_CONTEXT_PERF_COUNTER: |
| 1953 | case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER: |
| 1954 | case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER: |
| 1955 | { |
| 1956 | struct lttng_event_perf_counter_ctx *perf_context = |
| 1957 | &context->u.perf_counter; |
| 1958 | ret = mi_lttng_perf_counter_context(writer, perf_context); |
| 1959 | if (ret) { |
| 1960 | goto end; |
| 1961 | } |
| 1962 | break; |
| 1963 | } |
| 1964 | case LTTNG_EVENT_CONTEXT_APP_CONTEXT: |
| 1965 | { |
| 1966 | ret = mi_lttng_app_context(writer, |
| 1967 | context->u.app_ctx.provider_name, |
| 1968 | context->u.app_ctx.ctx_name); |
| 1969 | if (ret) { |
| 1970 | goto end; |
| 1971 | } |
| 1972 | break; |
| 1973 | } |
| 1974 | default: |
| 1975 | { |
| 1976 | const char *type_string = mi_lttng_event_contexttype_string( |
| 1977 | context->ctx); |
| 1978 | if (!type_string) { |
| 1979 | ret = -LTTNG_ERR_INVALID; |
| 1980 | goto end; |
| 1981 | } |
| 1982 | |
| 1983 | /* Print context type */ |
| 1984 | ret = mi_lttng_writer_write_element_string(writer, |
| 1985 | config_element_type, type_string); |
| 1986 | break; |
| 1987 | } |
| 1988 | } |
| 1989 | |
| 1990 | /* Close context */ |
| 1991 | if (!is_open) { |
| 1992 | ret = mi_lttng_writer_close_element(writer); |
| 1993 | } |
| 1994 | |
| 1995 | end: |
| 1996 | return ret; |
| 1997 | } |
| 1998 | |
| 1999 | LTTNG_HIDDEN |
| 2000 | int mi_lttng_snapshot_output_session_name(struct mi_writer *writer, |
| 2001 | const char *session_name) |
| 2002 | { |
| 2003 | int ret; |
| 2004 | |
| 2005 | /* Open session element */ |
| 2006 | ret = mi_lttng_writer_open_element(writer, config_element_session); |
| 2007 | if (ret) { |
| 2008 | goto end; |
| 2009 | } |
| 2010 | |
| 2011 | /* Snapshot output list for current session name */ |
| 2012 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, |
| 2013 | session_name); |
| 2014 | if (ret) { |
| 2015 | goto end; |
| 2016 | } |
| 2017 | |
| 2018 | /* Open element snapshots (sequence one snapshot) */ |
| 2019 | ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots); |
| 2020 | if (ret) { |
| 2021 | goto end; |
| 2022 | } |
| 2023 | |
| 2024 | end: |
| 2025 | return ret; |
| 2026 | } |
| 2027 | |
| 2028 | LTTNG_HIDDEN |
| 2029 | int mi_lttng_snapshot_list_output(struct mi_writer *writer, |
| 2030 | struct lttng_snapshot_output *output) |
| 2031 | { |
| 2032 | int ret; |
| 2033 | |
| 2034 | /* Open element snapshot output */ |
| 2035 | ret = mi_lttng_writer_open_element(writer, |
| 2036 | mi_lttng_element_command_snapshot); |
| 2037 | if (ret) { |
| 2038 | goto end; |
| 2039 | } |
| 2040 | |
| 2041 | /* ID of the snapshot output */ |
| 2042 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2043 | mi_lttng_element_id, output->id); |
| 2044 | if (ret) { |
| 2045 | goto end; |
| 2046 | } |
| 2047 | |
| 2048 | /* Name of the output */ |
| 2049 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, |
| 2050 | output->name); |
| 2051 | if (ret) { |
| 2052 | goto end; |
| 2053 | } |
| 2054 | |
| 2055 | /* Destination of the output (ctrl_url)*/ |
| 2056 | ret = mi_lttng_writer_write_element_string(writer, |
| 2057 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); |
| 2058 | if (ret) { |
| 2059 | goto end; |
| 2060 | } |
| 2061 | |
| 2062 | /* Destination of the output (data_url) */ |
| 2063 | ret = mi_lttng_writer_write_element_string(writer, |
| 2064 | mi_lttng_element_snapshot_data_url, output->data_url); |
| 2065 | if (ret) { |
| 2066 | goto end; |
| 2067 | } |
| 2068 | |
| 2069 | /* total size of all stream combined */ |
| 2070 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2071 | mi_lttng_element_snapshot_max_size, output->max_size); |
| 2072 | if (ret) { |
| 2073 | goto end; |
| 2074 | } |
| 2075 | |
| 2076 | /* Close snapshot output element */ |
| 2077 | ret = mi_lttng_writer_close_element(writer); |
| 2078 | |
| 2079 | end: |
| 2080 | return ret; |
| 2081 | } |
| 2082 | |
| 2083 | LTTNG_HIDDEN |
| 2084 | int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id, |
| 2085 | const char *name, const char *current_session_name) |
| 2086 | { |
| 2087 | int ret; |
| 2088 | |
| 2089 | /* Open element del_snapshot */ |
| 2090 | ret = mi_lttng_writer_open_element(writer, |
| 2091 | mi_lttng_element_command_snapshot); |
| 2092 | if (ret) { |
| 2093 | goto end; |
| 2094 | } |
| 2095 | |
| 2096 | |
| 2097 | if (id != UINT32_MAX) { |
| 2098 | /* "Snapshot output "id" successfully deleted |
| 2099 | * for "current_session_name" |
| 2100 | * ID of the snapshot output |
| 2101 | */ |
| 2102 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2103 | mi_lttng_element_id, id); |
| 2104 | if (ret) { |
| 2105 | goto end; |
| 2106 | } |
| 2107 | } else { |
| 2108 | /* "Snapshot output "name" successfully deleted |
| 2109 | * for session "current_session_name" |
| 2110 | * Name of the output |
| 2111 | */ |
| 2112 | ret = mi_lttng_writer_write_element_string(writer, config_element_name, |
| 2113 | name); |
| 2114 | if (ret) { |
| 2115 | goto end; |
| 2116 | } |
| 2117 | } |
| 2118 | |
| 2119 | /* Snapshot was deleted for session "current_session_name"*/ |
| 2120 | ret = mi_lttng_writer_write_element_string(writer, |
| 2121 | mi_lttng_element_snapshot_session_name, |
| 2122 | current_session_name); |
| 2123 | if (ret) { |
| 2124 | goto end; |
| 2125 | } |
| 2126 | |
| 2127 | /* Close snapshot element */ |
| 2128 | ret = mi_lttng_writer_close_element(writer); |
| 2129 | |
| 2130 | end: |
| 2131 | return ret; |
| 2132 | } |
| 2133 | |
| 2134 | LTTNG_HIDDEN |
| 2135 | int mi_lttng_snapshot_add_output(struct mi_writer *writer, |
| 2136 | const char *current_session_name, const char *n_ptr, |
| 2137 | struct lttng_snapshot_output *output) |
| 2138 | { |
| 2139 | int ret; |
| 2140 | |
| 2141 | /* Open element snapshot */ |
| 2142 | ret = mi_lttng_writer_open_element(writer, |
| 2143 | mi_lttng_element_command_snapshot); |
| 2144 | if (ret) { |
| 2145 | goto end; |
| 2146 | } |
| 2147 | |
| 2148 | /* Snapshot output id */ |
| 2149 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2150 | mi_lttng_element_id, output->id); |
| 2151 | if (ret) { |
| 2152 | goto end; |
| 2153 | } |
| 2154 | |
| 2155 | /* Snapshot output names */ |
| 2156 | ret = mi_lttng_writer_write_element_string(writer, |
| 2157 | config_element_name, n_ptr); |
| 2158 | if (ret) { |
| 2159 | goto end; |
| 2160 | } |
| 2161 | |
| 2162 | /* Destination of the output (ctrl_url)*/ |
| 2163 | ret = mi_lttng_writer_write_element_string(writer, |
| 2164 | mi_lttng_element_snapshot_ctrl_url, output->ctrl_url); |
| 2165 | if (ret) { |
| 2166 | goto end; |
| 2167 | } |
| 2168 | |
| 2169 | /* Snapshot added for session "current_session_name"*/ |
| 2170 | ret = mi_lttng_writer_write_element_string(writer, |
| 2171 | mi_lttng_element_snapshot_session_name, current_session_name); |
| 2172 | if (ret) { |
| 2173 | goto end; |
| 2174 | } |
| 2175 | |
| 2176 | /* total size of all stream combined */ |
| 2177 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2178 | mi_lttng_element_snapshot_max_size, output->max_size); |
| 2179 | if (ret) { |
| 2180 | goto end; |
| 2181 | } |
| 2182 | |
| 2183 | /* Close snapshot element */ |
| 2184 | ret = mi_lttng_writer_close_element(writer); |
| 2185 | |
| 2186 | end: |
| 2187 | return ret; |
| 2188 | } |
| 2189 | |
| 2190 | LTTNG_HIDDEN |
| 2191 | int mi_lttng_snapshot_record(struct mi_writer *writer, |
| 2192 | const char *current_session_name, const char *url, |
| 2193 | const char *cmdline_ctrl_url, const char *cmdline_data_url) |
| 2194 | { |
| 2195 | int ret; |
| 2196 | |
| 2197 | /* Open element snapshot */ |
| 2198 | ret = mi_lttng_writer_open_element(writer, |
| 2199 | mi_lttng_element_command_snapshot); |
| 2200 | if (ret) { |
| 2201 | goto end; |
| 2202 | } |
| 2203 | |
| 2204 | /* |
| 2205 | * If a valid an URL was given, serialize it, |
| 2206 | * else take the command line data and ctrl urls*/ |
| 2207 | if (url) { |
| 2208 | /* Destination of the output (ctrl_url)*/ |
| 2209 | ret = mi_lttng_writer_write_element_string(writer, |
| 2210 | mi_lttng_element_snapshot_ctrl_url, url); |
| 2211 | if (ret) { |
| 2212 | goto end; |
| 2213 | } |
| 2214 | } else if (cmdline_ctrl_url) { |
| 2215 | /* Destination of the output (ctrl_url)*/ |
| 2216 | ret = mi_lttng_writer_write_element_string(writer, |
| 2217 | mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url); |
| 2218 | if (ret) { |
| 2219 | goto end; |
| 2220 | } |
| 2221 | |
| 2222 | /* Destination of the output (data_url) */ |
| 2223 | ret = mi_lttng_writer_write_element_string(writer, |
| 2224 | mi_lttng_element_snapshot_data_url, cmdline_data_url); |
| 2225 | if (ret) { |
| 2226 | goto end; |
| 2227 | } |
| 2228 | } |
| 2229 | |
| 2230 | /* Close record_snapshot element */ |
| 2231 | ret = mi_lttng_writer_close_element(writer); |
| 2232 | |
| 2233 | end: |
| 2234 | return ret; |
| 2235 | } |
| 2236 | |
| 2237 | LTTNG_HIDDEN |
| 2238 | int mi_lttng_rotation_schedule(struct mi_writer *writer, |
| 2239 | const struct lttng_rotation_schedule *schedule) |
| 2240 | { |
| 2241 | int ret = 0; |
| 2242 | enum lttng_rotation_status status; |
| 2243 | uint64_t value; |
| 2244 | const char *element_name; |
| 2245 | const char *value_name; |
| 2246 | bool empty_schedule = false; |
| 2247 | |
| 2248 | switch (lttng_rotation_schedule_get_type(schedule)) { |
| 2249 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: |
| 2250 | status = lttng_rotation_schedule_periodic_get_period(schedule, |
| 2251 | &value); |
| 2252 | element_name = mi_lttng_element_rotation_schedule_periodic; |
| 2253 | value_name = mi_lttng_element_rotation_schedule_periodic_time_us; |
| 2254 | break; |
| 2255 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: |
| 2256 | status = lttng_rotation_schedule_size_threshold_get_threshold( |
| 2257 | schedule, &value); |
| 2258 | element_name = mi_lttng_element_rotation_schedule_size_threshold; |
| 2259 | value_name = mi_lttng_element_rotation_schedule_size_threshold_bytes; |
| 2260 | break; |
| 2261 | default: |
| 2262 | ret = -1; |
| 2263 | goto end; |
| 2264 | } |
| 2265 | |
| 2266 | if (status != LTTNG_ROTATION_STATUS_OK) { |
| 2267 | if (status == LTTNG_ROTATION_STATUS_UNAVAILABLE) { |
| 2268 | empty_schedule = true; |
| 2269 | } else { |
| 2270 | ret = -1; |
| 2271 | goto end; |
| 2272 | } |
| 2273 | } |
| 2274 | |
| 2275 | ret = mi_lttng_writer_open_element(writer, element_name); |
| 2276 | if (ret) { |
| 2277 | goto end; |
| 2278 | } |
| 2279 | |
| 2280 | if (!empty_schedule) { |
| 2281 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2282 | value_name, value); |
| 2283 | if (ret) { |
| 2284 | goto end; |
| 2285 | } |
| 2286 | } |
| 2287 | |
| 2288 | /* Close schedule descriptor element. */ |
| 2289 | ret = mi_lttng_writer_close_element(writer); |
| 2290 | if (ret) { |
| 2291 | goto end; |
| 2292 | } |
| 2293 | end: |
| 2294 | return ret; |
| 2295 | } |
| 2296 | |
| 2297 | LTTNG_HIDDEN |
| 2298 | int mi_lttng_rotation_schedule_result(struct mi_writer *writer, |
| 2299 | const struct lttng_rotation_schedule *schedule, |
| 2300 | bool success) |
| 2301 | { |
| 2302 | int ret = 0; |
| 2303 | |
| 2304 | ret = mi_lttng_writer_open_element(writer, |
| 2305 | mi_lttng_element_rotation_schedule_result); |
| 2306 | if (ret) { |
| 2307 | goto end; |
| 2308 | } |
| 2309 | |
| 2310 | ret = mi_lttng_writer_open_element(writer, |
| 2311 | mi_lttng_element_rotation_schedule); |
| 2312 | if (ret) { |
| 2313 | goto end; |
| 2314 | } |
| 2315 | |
| 2316 | ret = mi_lttng_rotation_schedule(writer, schedule); |
| 2317 | if (ret) { |
| 2318 | goto end; |
| 2319 | } |
| 2320 | |
| 2321 | /* Close rotation_schedule element */ |
| 2322 | ret = mi_lttng_writer_close_element(writer); |
| 2323 | if (ret) { |
| 2324 | goto end; |
| 2325 | } |
| 2326 | |
| 2327 | ret = mi_lttng_writer_write_element_bool(writer, |
| 2328 | mi_lttng_element_command_success, success); |
| 2329 | if (ret) { |
| 2330 | goto end; |
| 2331 | } |
| 2332 | |
| 2333 | /* Close rotation_schedule_result element */ |
| 2334 | ret = mi_lttng_writer_close_element(writer); |
| 2335 | if (ret) { |
| 2336 | goto end; |
| 2337 | } |
| 2338 | end: |
| 2339 | return ret; |
| 2340 | } |
| 2341 | |
| 2342 | static |
| 2343 | int mi_lttng_location(struct mi_writer *writer, |
| 2344 | const struct lttng_trace_archive_location *location) |
| 2345 | { |
| 2346 | int ret = 0; |
| 2347 | enum lttng_trace_archive_location_type location_type; |
| 2348 | enum lttng_trace_archive_location_status status; |
| 2349 | |
| 2350 | location_type = lttng_trace_archive_location_get_type(location); |
| 2351 | |
| 2352 | switch (location_type) { |
| 2353 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: |
| 2354 | { |
| 2355 | const char *absolute_path; |
| 2356 | |
| 2357 | status = lttng_trace_archive_location_local_get_absolute_path( |
| 2358 | location, &absolute_path); |
| 2359 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 2360 | ret = -1; |
| 2361 | goto end; |
| 2362 | } |
| 2363 | |
| 2364 | ret = mi_lttng_writer_open_element(writer, |
| 2365 | mi_lttng_element_rotation_location_local); |
| 2366 | if (ret) { |
| 2367 | goto end; |
| 2368 | } |
| 2369 | |
| 2370 | |
| 2371 | ret = mi_lttng_writer_write_element_string(writer, |
| 2372 | mi_lttng_element_rotation_location_local_absolute_path, |
| 2373 | absolute_path); |
| 2374 | if (ret) { |
| 2375 | goto end; |
| 2376 | } |
| 2377 | |
| 2378 | /* Close local element */ |
| 2379 | ret = mi_lttng_writer_close_element(writer); |
| 2380 | if (ret) { |
| 2381 | goto end; |
| 2382 | } |
| 2383 | break; |
| 2384 | } |
| 2385 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: |
| 2386 | { |
| 2387 | uint16_t control_port, data_port; |
| 2388 | const char *host, *relative_path; |
| 2389 | enum lttng_trace_archive_location_relay_protocol_type protocol; |
| 2390 | |
| 2391 | /* Fetch all relay location parameters. */ |
| 2392 | status = lttng_trace_archive_location_relay_get_protocol_type( |
| 2393 | location, &protocol); |
| 2394 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 2395 | ret = -1; |
| 2396 | goto end; |
| 2397 | } |
| 2398 | |
| 2399 | status = lttng_trace_archive_location_relay_get_host( |
| 2400 | location, &host); |
| 2401 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 2402 | ret = -1; |
| 2403 | goto end; |
| 2404 | } |
| 2405 | |
| 2406 | status = lttng_trace_archive_location_relay_get_control_port( |
| 2407 | location, &control_port); |
| 2408 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 2409 | ret = -1; |
| 2410 | goto end; |
| 2411 | } |
| 2412 | |
| 2413 | status = lttng_trace_archive_location_relay_get_data_port( |
| 2414 | location, &data_port); |
| 2415 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 2416 | ret = -1; |
| 2417 | goto end; |
| 2418 | } |
| 2419 | |
| 2420 | status = lttng_trace_archive_location_relay_get_relative_path( |
| 2421 | location, &relative_path); |
| 2422 | if (status != LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK) { |
| 2423 | ret = -1; |
| 2424 | goto end; |
| 2425 | } |
| 2426 | |
| 2427 | ret = mi_lttng_writer_open_element(writer, |
| 2428 | mi_lttng_element_rotation_location_relay); |
| 2429 | if (ret) { |
| 2430 | goto end; |
| 2431 | } |
| 2432 | |
| 2433 | ret = mi_lttng_writer_write_element_string(writer, |
| 2434 | mi_lttng_element_rotation_location_relay_host, |
| 2435 | host); |
| 2436 | if (ret) { |
| 2437 | goto end; |
| 2438 | } |
| 2439 | |
| 2440 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2441 | mi_lttng_element_rotation_location_relay_control_port, |
| 2442 | control_port); |
| 2443 | if (ret) { |
| 2444 | goto end; |
| 2445 | } |
| 2446 | |
| 2447 | ret = mi_lttng_writer_write_element_unsigned_int(writer, |
| 2448 | mi_lttng_element_rotation_location_relay_data_port, |
| 2449 | data_port); |
| 2450 | if (ret) { |
| 2451 | goto end; |
| 2452 | } |
| 2453 | |
| 2454 | ret = mi_lttng_writer_write_element_string(writer, |
| 2455 | mi_lttng_element_rotation_location_relay_protocol, |
| 2456 | mi_lttng_trace_archive_location_relay_protocol_type_string(protocol)); |
| 2457 | if (ret) { |
| 2458 | goto end; |
| 2459 | } |
| 2460 | |
| 2461 | ret = mi_lttng_writer_write_element_string(writer, |
| 2462 | mi_lttng_element_rotation_location_relay_relative_path, |
| 2463 | relative_path); |
| 2464 | if (ret) { |
| 2465 | goto end; |
| 2466 | } |
| 2467 | |
| 2468 | /* Close relay element */ |
| 2469 | ret = mi_lttng_writer_close_element(writer); |
| 2470 | if (ret) { |
| 2471 | goto end; |
| 2472 | } |
| 2473 | break; |
| 2474 | } |
| 2475 | default: |
| 2476 | abort(); |
| 2477 | } |
| 2478 | end: |
| 2479 | return ret; |
| 2480 | } |
| 2481 | |
| 2482 | LTTNG_HIDDEN |
| 2483 | int mi_lttng_rotate(struct mi_writer *writer, |
| 2484 | const char *session_name, |
| 2485 | enum lttng_rotation_state rotation_state, |
| 2486 | const struct lttng_trace_archive_location *location) |
| 2487 | { |
| 2488 | int ret; |
| 2489 | |
| 2490 | ret = mi_lttng_writer_open_element(writer, |
| 2491 | mi_lttng_element_rotation); |
| 2492 | if (ret) { |
| 2493 | goto end; |
| 2494 | } |
| 2495 | |
| 2496 | ret = mi_lttng_writer_write_element_string(writer, |
| 2497 | mi_lttng_element_session_name, |
| 2498 | session_name); |
| 2499 | if (ret) { |
| 2500 | goto end; |
| 2501 | } |
| 2502 | |
| 2503 | ret = mi_lttng_writer_write_element_string(writer, |
| 2504 | mi_lttng_element_rotation_state, |
| 2505 | mi_lttng_rotation_state_string(rotation_state)); |
| 2506 | if (ret) { |
| 2507 | goto end; |
| 2508 | } |
| 2509 | |
| 2510 | if (!location) { |
| 2511 | /* Not a serialization error. */ |
| 2512 | goto close_rotation; |
| 2513 | } |
| 2514 | |
| 2515 | ret = mi_lttng_writer_open_element(writer, |
| 2516 | mi_lttng_element_rotation_location); |
| 2517 | if (ret) { |
| 2518 | goto end; |
| 2519 | } |
| 2520 | |
| 2521 | ret = mi_lttng_location(writer, location); |
| 2522 | if (ret) { |
| 2523 | goto close_location; |
| 2524 | } |
| 2525 | |
| 2526 | close_location: |
| 2527 | /* Close location element */ |
| 2528 | ret = mi_lttng_writer_close_element(writer); |
| 2529 | if (ret) { |
| 2530 | goto end; |
| 2531 | } |
| 2532 | |
| 2533 | close_rotation: |
| 2534 | /* Close rotation element */ |
| 2535 | ret = mi_lttng_writer_close_element(writer); |
| 2536 | if (ret) { |
| 2537 | goto end; |
| 2538 | } |
| 2539 | end: |
| 2540 | return ret; |
| 2541 | } |