| 1 | /* |
| 2 | * validation.c |
| 3 | * |
| 4 | * Babeltrace - CTF IR: Validation of trace, stream class, and event class |
| 5 | * |
| 6 | * Copyright 2016 Philippe Proulx <pproulx@efficios.com> |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | * of this software and associated documentation files (the "Software"), to deal |
| 10 | * in the Software without restriction, including without limitation the rights |
| 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | * copies of the Software, and to permit persons to whom the Software is |
| 13 | * furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 24 | * SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #define BT_LOG_TAG "VALIDATION" |
| 28 | #include <babeltrace/lib-logging-internal.h> |
| 29 | |
| 30 | #include <babeltrace/ctf-ir/validation-internal.h> |
| 31 | #include <babeltrace/ctf-ir/resolve-internal.h> |
| 32 | #include <babeltrace/ctf-ir/trace-internal.h> |
| 33 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
| 34 | #include <babeltrace/ctf-ir/field-types-internal.h> |
| 35 | #include <babeltrace/ctf-ir/event-class-internal.h> |
| 36 | #include <babeltrace/values.h> |
| 37 | #include <babeltrace/babeltrace-internal.h> |
| 38 | #include <babeltrace/ref.h> |
| 39 | |
| 40 | /* |
| 41 | * This function resolves and validates the field types of an event |
| 42 | * class. Only `event_context_type` and `event_payload_type` are |
| 43 | * resolved and validated; the other field types are used as eventual |
| 44 | * resolving targets. |
| 45 | * |
| 46 | * All parameters are owned by the caller. |
| 47 | */ |
| 48 | static |
| 49 | int validate_event_class_types(struct bt_value *environment, |
| 50 | struct bt_field_type *packet_header_type, |
| 51 | struct bt_field_type *packet_context_type, |
| 52 | struct bt_field_type *event_header_type, |
| 53 | struct bt_field_type *stream_event_ctx_type, |
| 54 | struct bt_field_type *event_context_type, |
| 55 | struct bt_field_type *event_payload_type) |
| 56 | { |
| 57 | int ret = 0; |
| 58 | |
| 59 | BT_LOGV("Validating event class field types: " |
| 60 | "packet-header-ft-addr=%p, " |
| 61 | "packet-context-ft-addr=%p, " |
| 62 | "event-header-ft-addr=%p, " |
| 63 | "stream-event-context-ft-addr=%p, " |
| 64 | "event-context-ft-addr=%p, " |
| 65 | "event-payload-ft-addr=%p", |
| 66 | packet_header_type, packet_context_type, event_header_type, |
| 67 | stream_event_ctx_type, event_context_type, event_payload_type); |
| 68 | |
| 69 | /* Resolve sequence type lengths and variant type tags first */ |
| 70 | ret = bt_resolve_types(environment, packet_header_type, |
| 71 | packet_context_type, event_header_type, stream_event_ctx_type, |
| 72 | event_context_type, event_payload_type, |
| 73 | BT_RESOLVE_FLAG_EVENT_CONTEXT | |
| 74 | BT_RESOLVE_FLAG_EVENT_PAYLOAD); |
| 75 | if (ret) { |
| 76 | BT_LOGW("Cannot resolve event class field types: ret=%d", |
| 77 | ret); |
| 78 | goto end; |
| 79 | } |
| 80 | |
| 81 | /* Validate field types individually */ |
| 82 | if (event_context_type) { |
| 83 | ret = bt_field_type_validate(event_context_type); |
| 84 | if (ret) { |
| 85 | BT_LOGW("Invalid event class's context field type: " |
| 86 | "ret=%d", ret); |
| 87 | goto end; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | if (event_payload_type) { |
| 92 | ret = bt_field_type_validate(event_payload_type); |
| 93 | if (ret) { |
| 94 | BT_LOGW("Invalid event class's payload field type: " |
| 95 | "ret=%d", ret); |
| 96 | goto end; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | end: |
| 101 | return ret; |
| 102 | } |
| 103 | |
| 104 | /* |
| 105 | * This function resolves and validates the field types of a stream |
| 106 | * class. Only `packet_context_type`, `event_header_type`, and |
| 107 | * `stream_event_ctx_type` are resolved and validated; the other field |
| 108 | * type is used as an eventual resolving target. |
| 109 | * |
| 110 | * All parameters are owned by the caller. |
| 111 | */ |
| 112 | static |
| 113 | int validate_stream_class_types(struct bt_value *environment, |
| 114 | struct bt_field_type *packet_header_type, |
| 115 | struct bt_field_type *packet_context_type, |
| 116 | struct bt_field_type *event_header_type, |
| 117 | struct bt_field_type *stream_event_ctx_type) |
| 118 | { |
| 119 | int ret = 0; |
| 120 | |
| 121 | BT_LOGV("Validating stream class field types: " |
| 122 | "packet-header-ft-addr=%p, " |
| 123 | "packet-context-ft-addr=%p, " |
| 124 | "event-header-ft-addr=%p, " |
| 125 | "stream-event-context-ft-addr=%p", |
| 126 | packet_header_type, packet_context_type, event_header_type, |
| 127 | stream_event_ctx_type); |
| 128 | |
| 129 | /* Resolve sequence type lengths and variant type tags first */ |
| 130 | ret = bt_resolve_types(environment, packet_header_type, |
| 131 | packet_context_type, event_header_type, stream_event_ctx_type, |
| 132 | NULL, NULL, |
| 133 | BT_RESOLVE_FLAG_PACKET_CONTEXT | |
| 134 | BT_RESOLVE_FLAG_EVENT_HEADER | |
| 135 | BT_RESOLVE_FLAG_STREAM_EVENT_CTX); |
| 136 | if (ret) { |
| 137 | BT_LOGW("Cannot resolve stream class field types: ret=%d", |
| 138 | ret); |
| 139 | goto end; |
| 140 | } |
| 141 | |
| 142 | /* Validate field types individually */ |
| 143 | if (packet_context_type) { |
| 144 | ret = bt_field_type_validate(packet_context_type); |
| 145 | if (ret) { |
| 146 | BT_LOGW("Invalid stream class's packet context field type: " |
| 147 | "ret=%d", ret); |
| 148 | goto end; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | if (event_header_type) { |
| 153 | ret = bt_field_type_validate(event_header_type); |
| 154 | if (ret) { |
| 155 | BT_LOGW("Invalid stream class's event header field type: " |
| 156 | "ret=%d", ret); |
| 157 | goto end; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | if (stream_event_ctx_type) { |
| 162 | ret = bt_field_type_validate( |
| 163 | stream_event_ctx_type); |
| 164 | if (ret) { |
| 165 | BT_LOGW("Invalid stream class's event context field type: " |
| 166 | "ret=%d", ret); |
| 167 | goto end; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | end: |
| 172 | return ret; |
| 173 | } |
| 174 | |
| 175 | /* |
| 176 | * This function resolves and validates the field types of a trace. |
| 177 | * |
| 178 | * All parameters are owned by the caller. |
| 179 | */ |
| 180 | static |
| 181 | int validate_trace_types(struct bt_value *environment, |
| 182 | struct bt_field_type *packet_header_type) |
| 183 | { |
| 184 | int ret = 0; |
| 185 | |
| 186 | BT_LOGV("Validating event class field types: " |
| 187 | "packet-header-ft-addr=%p", packet_header_type); |
| 188 | |
| 189 | /* Resolve sequence type lengths and variant type tags first */ |
| 190 | ret = bt_resolve_types(environment, packet_header_type, |
| 191 | NULL, NULL, NULL, NULL, NULL, |
| 192 | BT_RESOLVE_FLAG_PACKET_HEADER); |
| 193 | if (ret) { |
| 194 | BT_LOGW("Cannot resolve trace field types: ret=%d", |
| 195 | ret); |
| 196 | goto end; |
| 197 | } |
| 198 | |
| 199 | /* Validate field types individually */ |
| 200 | if (packet_header_type) { |
| 201 | ret = bt_field_type_validate(packet_header_type); |
| 202 | if (ret) { |
| 203 | BT_LOGW("Invalid trace's packet header field type: " |
| 204 | "ret=%d", ret); |
| 205 | goto end; |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | end: |
| 210 | return ret; |
| 211 | } |
| 212 | |
| 213 | /* |
| 214 | * Checks whether or not `field_type` contains a variant or a sequence |
| 215 | * field type, recursively. Returns 1 if it's the case. |
| 216 | * |
| 217 | * `field_type` is owned by the caller. |
| 218 | */ |
| 219 | static |
| 220 | int field_type_contains_sequence_or_variant_ft(struct bt_field_type *type) |
| 221 | { |
| 222 | int ret = 0; |
| 223 | enum bt_field_type_id type_id = bt_field_type_get_type_id(type); |
| 224 | |
| 225 | switch (type_id) { |
| 226 | case BT_FIELD_TYPE_ID_SEQUENCE: |
| 227 | case BT_FIELD_TYPE_ID_VARIANT: |
| 228 | ret = 1; |
| 229 | goto end; |
| 230 | case BT_FIELD_TYPE_ID_ARRAY: |
| 231 | case BT_FIELD_TYPE_ID_STRUCT: |
| 232 | { |
| 233 | int i; |
| 234 | int field_count = bt_field_type_get_field_count(type); |
| 235 | |
| 236 | if (field_count < 0) { |
| 237 | ret = -1; |
| 238 | goto end; |
| 239 | } |
| 240 | |
| 241 | for (i = 0; i < field_count; ++i) { |
| 242 | struct bt_field_type *child_type = |
| 243 | bt_field_type_get_field_at_index(type, i); |
| 244 | |
| 245 | ret = field_type_contains_sequence_or_variant_ft( |
| 246 | child_type); |
| 247 | BT_PUT(child_type); |
| 248 | if (ret != 0) { |
| 249 | goto end; |
| 250 | } |
| 251 | } |
| 252 | break; |
| 253 | } |
| 254 | default: |
| 255 | break; |
| 256 | } |
| 257 | |
| 258 | end: |
| 259 | return ret; |
| 260 | } |
| 261 | |
| 262 | BT_HIDDEN |
| 263 | int bt_validate_class_types(struct bt_value *environment, |
| 264 | struct bt_field_type *packet_header_type, |
| 265 | struct bt_field_type *packet_context_type, |
| 266 | struct bt_field_type *event_header_type, |
| 267 | struct bt_field_type *stream_event_ctx_type, |
| 268 | struct bt_field_type *event_context_type, |
| 269 | struct bt_field_type *event_payload_type, |
| 270 | int trace_valid, int stream_class_valid, int event_class_valid, |
| 271 | struct bt_validation_output *output, |
| 272 | enum bt_validation_flag validate_flags) |
| 273 | { |
| 274 | int ret = 0; |
| 275 | int contains_seq_var; |
| 276 | int valid_ret; |
| 277 | |
| 278 | BT_LOGV("Validating field types: " |
| 279 | "packet-header-ft-addr=%p, " |
| 280 | "packet-context-ft-addr=%p, " |
| 281 | "event-header-ft-addr=%p, " |
| 282 | "stream-event-context-ft-addr=%p, " |
| 283 | "event-context-ft-addr=%p, " |
| 284 | "event-payload-ft-addr=%p, " |
| 285 | "trace-is-valid=%d, stream-class-is-valid=%d, " |
| 286 | "event-class-is-valid=%d, validation-flags=%x", |
| 287 | packet_header_type, packet_context_type, event_header_type, |
| 288 | stream_event_ctx_type, event_context_type, event_payload_type, |
| 289 | trace_valid, stream_class_valid, event_class_valid, |
| 290 | (unsigned int) validate_flags); |
| 291 | |
| 292 | /* Clean output values */ |
| 293 | memset(output, 0, sizeof(*output)); |
| 294 | |
| 295 | /* Set initial valid flags according to valid parameters */ |
| 296 | if (trace_valid) { |
| 297 | output->valid_flags |= BT_VALIDATION_FLAG_TRACE; |
| 298 | } |
| 299 | |
| 300 | if (stream_class_valid) { |
| 301 | output->valid_flags |= BT_VALIDATION_FLAG_STREAM; |
| 302 | } |
| 303 | |
| 304 | if (event_class_valid) { |
| 305 | output->valid_flags |= BT_VALIDATION_FLAG_EVENT; |
| 306 | } |
| 307 | |
| 308 | /* Own the type parameters */ |
| 309 | bt_get(packet_header_type); |
| 310 | bt_get(packet_context_type); |
| 311 | bt_get(event_header_type); |
| 312 | bt_get(stream_event_ctx_type); |
| 313 | bt_get(event_context_type); |
| 314 | bt_get(event_payload_type); |
| 315 | |
| 316 | /* Validate trace */ |
| 317 | if ((validate_flags & BT_VALIDATION_FLAG_TRACE) && !trace_valid) { |
| 318 | struct bt_field_type *packet_header_type_copy = NULL; |
| 319 | |
| 320 | /* Create field type copies */ |
| 321 | if (packet_header_type) { |
| 322 | contains_seq_var = |
| 323 | field_type_contains_sequence_or_variant_ft( |
| 324 | packet_header_type); |
| 325 | if (contains_seq_var < 0) { |
| 326 | ret = contains_seq_var; |
| 327 | goto error; |
| 328 | } else if (!contains_seq_var) { |
| 329 | /* No copy is needed */ |
| 330 | packet_header_type_copy = packet_header_type; |
| 331 | bt_get(packet_header_type_copy); |
| 332 | goto skip_packet_header_type_copy; |
| 333 | } |
| 334 | |
| 335 | BT_LOGV_STR("Copying packet header field type because it contains at least one sequence or variant field type."); |
| 336 | packet_header_type_copy = |
| 337 | bt_field_type_copy(packet_header_type); |
| 338 | if (!packet_header_type_copy) { |
| 339 | ret = -1; |
| 340 | BT_LOGE_STR("Cannot copy packet header field type."); |
| 341 | goto error; |
| 342 | } |
| 343 | |
| 344 | /* |
| 345 | * Freeze this copy: if it's returned to the |
| 346 | * caller, it cannot be modified any way since |
| 347 | * it will be resolved. |
| 348 | */ |
| 349 | bt_field_type_freeze(packet_header_type_copy); |
| 350 | } |
| 351 | |
| 352 | skip_packet_header_type_copy: |
| 353 | /* Put original reference and move copy */ |
| 354 | BT_MOVE(packet_header_type, packet_header_type_copy); |
| 355 | |
| 356 | /* Validate trace field types */ |
| 357 | valid_ret = validate_trace_types(environment, |
| 358 | packet_header_type); |
| 359 | if (valid_ret == 0) { |
| 360 | /* Trace is valid */ |
| 361 | output->valid_flags |= BT_VALIDATION_FLAG_TRACE; |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | /* Validate stream class */ |
| 366 | if ((validate_flags & BT_VALIDATION_FLAG_STREAM) && |
| 367 | !stream_class_valid) { |
| 368 | struct bt_field_type *packet_context_type_copy = NULL; |
| 369 | struct bt_field_type *event_header_type_copy = NULL; |
| 370 | struct bt_field_type *stream_event_ctx_type_copy = NULL; |
| 371 | |
| 372 | if (packet_context_type) { |
| 373 | contains_seq_var = |
| 374 | field_type_contains_sequence_or_variant_ft( |
| 375 | packet_context_type); |
| 376 | if (contains_seq_var < 0) { |
| 377 | ret = contains_seq_var; |
| 378 | goto error; |
| 379 | } else if (!contains_seq_var) { |
| 380 | /* No copy is needed */ |
| 381 | packet_context_type_copy = packet_context_type; |
| 382 | bt_get(packet_context_type_copy); |
| 383 | goto skip_packet_context_type_copy; |
| 384 | } |
| 385 | |
| 386 | BT_LOGV_STR("Copying packet context field type because it contains at least one sequence or variant field type."); |
| 387 | packet_context_type_copy = |
| 388 | bt_field_type_copy(packet_context_type); |
| 389 | if (!packet_context_type_copy) { |
| 390 | BT_LOGE_STR("Cannot copy packet context field type."); |
| 391 | goto sc_validation_error; |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * Freeze this copy: if it's returned to the |
| 396 | * caller, it cannot be modified any way since |
| 397 | * it will be resolved. |
| 398 | */ |
| 399 | bt_field_type_freeze(packet_context_type_copy); |
| 400 | } |
| 401 | |
| 402 | skip_packet_context_type_copy: |
| 403 | if (event_header_type) { |
| 404 | contains_seq_var = |
| 405 | field_type_contains_sequence_or_variant_ft( |
| 406 | event_header_type); |
| 407 | if (contains_seq_var < 0) { |
| 408 | ret = contains_seq_var; |
| 409 | goto error; |
| 410 | } else if (!contains_seq_var) { |
| 411 | /* No copy is needed */ |
| 412 | event_header_type_copy = event_header_type; |
| 413 | bt_get(event_header_type_copy); |
| 414 | goto skip_event_header_type_copy; |
| 415 | } |
| 416 | |
| 417 | BT_LOGV_STR("Copying event header field type because it contains at least one sequence or variant field type."); |
| 418 | event_header_type_copy = |
| 419 | bt_field_type_copy(event_header_type); |
| 420 | if (!event_header_type_copy) { |
| 421 | BT_LOGE_STR("Cannot copy event header field type."); |
| 422 | goto sc_validation_error; |
| 423 | } |
| 424 | |
| 425 | /* |
| 426 | * Freeze this copy: if it's returned to the |
| 427 | * caller, it cannot be modified any way since |
| 428 | * it will be resolved. |
| 429 | */ |
| 430 | bt_field_type_freeze(event_header_type_copy); |
| 431 | } |
| 432 | |
| 433 | skip_event_header_type_copy: |
| 434 | if (stream_event_ctx_type) { |
| 435 | contains_seq_var = |
| 436 | field_type_contains_sequence_or_variant_ft( |
| 437 | stream_event_ctx_type); |
| 438 | if (contains_seq_var < 0) { |
| 439 | ret = contains_seq_var; |
| 440 | goto error; |
| 441 | } else if (!contains_seq_var) { |
| 442 | /* No copy is needed */ |
| 443 | stream_event_ctx_type_copy = |
| 444 | stream_event_ctx_type; |
| 445 | bt_get(stream_event_ctx_type_copy); |
| 446 | goto skip_stream_event_ctx_type_copy; |
| 447 | } |
| 448 | |
| 449 | BT_LOGV_STR("Copying stream event context field type because it contains at least one sequence or variant field type."); |
| 450 | stream_event_ctx_type_copy = |
| 451 | bt_field_type_copy(stream_event_ctx_type); |
| 452 | if (!stream_event_ctx_type_copy) { |
| 453 | BT_LOGE_STR("Cannot copy stream event context field type."); |
| 454 | goto sc_validation_error; |
| 455 | } |
| 456 | |
| 457 | /* |
| 458 | * Freeze this copy: if it's returned to the |
| 459 | * caller, it cannot be modified any way since |
| 460 | * it will be resolved. |
| 461 | */ |
| 462 | bt_field_type_freeze(stream_event_ctx_type_copy); |
| 463 | } |
| 464 | |
| 465 | skip_stream_event_ctx_type_copy: |
| 466 | /* Put original references and move copies */ |
| 467 | BT_MOVE(packet_context_type, packet_context_type_copy); |
| 468 | BT_MOVE(event_header_type, event_header_type_copy); |
| 469 | BT_MOVE(stream_event_ctx_type, stream_event_ctx_type_copy); |
| 470 | |
| 471 | /* Validate stream class field types */ |
| 472 | valid_ret = validate_stream_class_types(environment, |
| 473 | packet_header_type, packet_context_type, |
| 474 | event_header_type, stream_event_ctx_type); |
| 475 | if (valid_ret == 0) { |
| 476 | /* Stream class is valid */ |
| 477 | output->valid_flags |= BT_VALIDATION_FLAG_STREAM; |
| 478 | } |
| 479 | |
| 480 | goto sc_validation_done; |
| 481 | |
| 482 | sc_validation_error: |
| 483 | BT_PUT(packet_context_type_copy); |
| 484 | BT_PUT(event_header_type_copy); |
| 485 | BT_PUT(stream_event_ctx_type_copy); |
| 486 | ret = -1; |
| 487 | goto error; |
| 488 | } |
| 489 | |
| 490 | sc_validation_done: |
| 491 | /* Validate event class */ |
| 492 | if ((validate_flags & BT_VALIDATION_FLAG_EVENT) && |
| 493 | !event_class_valid) { |
| 494 | struct bt_field_type *event_context_type_copy = NULL; |
| 495 | struct bt_field_type *event_payload_type_copy = NULL; |
| 496 | |
| 497 | if (event_context_type) { |
| 498 | contains_seq_var = |
| 499 | field_type_contains_sequence_or_variant_ft( |
| 500 | event_context_type); |
| 501 | if (contains_seq_var < 0) { |
| 502 | ret = contains_seq_var; |
| 503 | goto error; |
| 504 | } else if (!contains_seq_var) { |
| 505 | /* No copy is needed */ |
| 506 | event_context_type_copy = event_context_type; |
| 507 | bt_get(event_context_type_copy); |
| 508 | goto skip_event_context_type_copy; |
| 509 | } |
| 510 | |
| 511 | BT_LOGV_STR("Copying event context field type because it contains at least one sequence or variant field type."); |
| 512 | event_context_type_copy = |
| 513 | bt_field_type_copy(event_context_type); |
| 514 | if (!event_context_type_copy) { |
| 515 | BT_LOGE_STR("Cannot copy event context field type."); |
| 516 | goto ec_validation_error; |
| 517 | } |
| 518 | |
| 519 | /* |
| 520 | * Freeze this copy: if it's returned to the |
| 521 | * caller, it cannot be modified any way since |
| 522 | * it will be resolved. |
| 523 | */ |
| 524 | bt_field_type_freeze(event_context_type_copy); |
| 525 | } |
| 526 | |
| 527 | skip_event_context_type_copy: |
| 528 | if (event_payload_type) { |
| 529 | contains_seq_var = |
| 530 | field_type_contains_sequence_or_variant_ft( |
| 531 | event_payload_type); |
| 532 | if (contains_seq_var < 0) { |
| 533 | ret = contains_seq_var; |
| 534 | goto error; |
| 535 | } else if (!contains_seq_var) { |
| 536 | /* No copy is needed */ |
| 537 | event_payload_type_copy = event_payload_type; |
| 538 | bt_get(event_payload_type_copy); |
| 539 | goto skip_event_payload_type_copy; |
| 540 | } |
| 541 | |
| 542 | BT_LOGV_STR("Copying event payload field type because it contains at least one sequence or variant field type."); |
| 543 | event_payload_type_copy = |
| 544 | bt_field_type_copy(event_payload_type); |
| 545 | if (!event_payload_type_copy) { |
| 546 | BT_LOGE_STR("Cannot copy event payload field type."); |
| 547 | goto ec_validation_error; |
| 548 | } |
| 549 | |
| 550 | /* |
| 551 | * Freeze this copy: if it's returned to the |
| 552 | * caller, it cannot be modified any way since |
| 553 | * it will be resolved. |
| 554 | */ |
| 555 | bt_field_type_freeze(event_payload_type_copy); |
| 556 | } |
| 557 | |
| 558 | skip_event_payload_type_copy: |
| 559 | /* Put original references and move copies */ |
| 560 | BT_MOVE(event_context_type, event_context_type_copy); |
| 561 | BT_MOVE(event_payload_type, event_payload_type_copy); |
| 562 | |
| 563 | /* Validate event class field types */ |
| 564 | valid_ret = validate_event_class_types(environment, |
| 565 | packet_header_type, packet_context_type, |
| 566 | event_header_type, stream_event_ctx_type, |
| 567 | event_context_type, event_payload_type); |
| 568 | if (valid_ret == 0) { |
| 569 | /* Event class is valid */ |
| 570 | output->valid_flags |= BT_VALIDATION_FLAG_EVENT; |
| 571 | } |
| 572 | |
| 573 | goto ec_validation_done; |
| 574 | |
| 575 | ec_validation_error: |
| 576 | BT_PUT(event_context_type_copy); |
| 577 | BT_PUT(event_payload_type_copy); |
| 578 | ret = -1; |
| 579 | goto error; |
| 580 | } |
| 581 | |
| 582 | ec_validation_done: |
| 583 | /* |
| 584 | * Validation is complete. Move the field types that were used |
| 585 | * to validate (and that were possibly altered by the validation |
| 586 | * process) to the output values. |
| 587 | */ |
| 588 | BT_MOVE(output->packet_header_type, packet_header_type); |
| 589 | BT_MOVE(output->packet_context_type, packet_context_type); |
| 590 | BT_MOVE(output->event_header_type, event_header_type); |
| 591 | BT_MOVE(output->stream_event_ctx_type, stream_event_ctx_type); |
| 592 | BT_MOVE(output->event_context_type, event_context_type); |
| 593 | BT_MOVE(output->event_payload_type, event_payload_type); |
| 594 | return ret; |
| 595 | |
| 596 | error: |
| 597 | BT_PUT(packet_header_type); |
| 598 | BT_PUT(packet_context_type); |
| 599 | BT_PUT(event_header_type); |
| 600 | BT_PUT(stream_event_ctx_type); |
| 601 | BT_PUT(event_context_type); |
| 602 | BT_PUT(event_payload_type); |
| 603 | return ret; |
| 604 | } |
| 605 | |
| 606 | BT_HIDDEN |
| 607 | void bt_validation_replace_types(struct bt_trace *trace, |
| 608 | struct bt_stream_class *stream_class, |
| 609 | struct bt_event_class *event_class, |
| 610 | struct bt_validation_output *output, |
| 611 | enum bt_validation_flag replace_flags) |
| 612 | { |
| 613 | if ((replace_flags & BT_VALIDATION_FLAG_TRACE) && trace) { |
| 614 | bt_field_type_freeze(trace->packet_header_type); |
| 615 | BT_MOVE(trace->packet_header_type, output->packet_header_type); |
| 616 | } |
| 617 | |
| 618 | if ((replace_flags & BT_VALIDATION_FLAG_STREAM) && stream_class) { |
| 619 | bt_field_type_freeze(stream_class->packet_context_type); |
| 620 | bt_field_type_freeze(stream_class->event_header_type); |
| 621 | bt_field_type_freeze(stream_class->event_context_type); |
| 622 | BT_MOVE(stream_class->packet_context_type, |
| 623 | output->packet_context_type); |
| 624 | BT_MOVE(stream_class->event_header_type, |
| 625 | output->event_header_type); |
| 626 | BT_MOVE(stream_class->event_context_type, |
| 627 | output->stream_event_ctx_type); |
| 628 | } |
| 629 | |
| 630 | if ((replace_flags & BT_VALIDATION_FLAG_EVENT) && event_class) { |
| 631 | bt_field_type_freeze(event_class->context); |
| 632 | bt_field_type_freeze(event_class->fields); |
| 633 | BT_MOVE(event_class->context, output->event_context_type); |
| 634 | BT_MOVE(event_class->fields, output->event_payload_type); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | BT_HIDDEN |
| 639 | void bt_validation_output_put_types( |
| 640 | struct bt_validation_output *output) |
| 641 | { |
| 642 | BT_PUT(output->packet_header_type); |
| 643 | BT_PUT(output->packet_context_type); |
| 644 | BT_PUT(output->event_header_type); |
| 645 | BT_PUT(output->stream_event_ctx_type); |
| 646 | BT_PUT(output->event_context_type); |
| 647 | BT_PUT(output->event_payload_type); |
| 648 | } |