| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2016-2018 Philippe Proulx <pproulx@efficios.com> |
| 5 | * |
| 6 | * Babeltrace - CTF writer: Validation of trace, stream class, and event class |
| 7 | */ |
| 8 | |
| 9 | #define BT_LOG_TAG "CTF-WRITER/VALIDATION" |
| 10 | #include "logging.h" |
| 11 | |
| 12 | #include <babeltrace2-ctf-writer/object.h> |
| 13 | |
| 14 | #include "common/macros.h" |
| 15 | |
| 16 | #include "assert-pre.h" |
| 17 | #include "event-class.h" |
| 18 | #include "field-types.h" |
| 19 | #include "field-types.h" |
| 20 | #include "resolve.h" |
| 21 | #include "stream-class.h" |
| 22 | #include "trace.h" |
| 23 | #include "validation.h" |
| 24 | #include "values.h" |
| 25 | |
| 26 | /* |
| 27 | * This function resolves and validates the field types of an event |
| 28 | * class. Only `event_context_type` and `event_payload_type` are |
| 29 | * resolved and validated; the other field types are used as eventual |
| 30 | * resolving targets. |
| 31 | * |
| 32 | * All parameters are owned by the caller. |
| 33 | */ |
| 34 | static |
| 35 | int validate_event_class_types(struct bt_ctf_private_value *environment, |
| 36 | struct bt_ctf_field_type_common *packet_header_type, |
| 37 | struct bt_ctf_field_type_common *packet_context_type, |
| 38 | struct bt_ctf_field_type_common *event_header_type, |
| 39 | struct bt_ctf_field_type_common *stream_event_ctx_type, |
| 40 | struct bt_ctf_field_type_common *event_context_type, |
| 41 | struct bt_ctf_field_type_common *event_payload_type) |
| 42 | { |
| 43 | int ret = 0; |
| 44 | |
| 45 | BT_LOGT("Validating event class field types: " |
| 46 | "packet-header-ft-addr=%p, " |
| 47 | "packet-context-ft-addr=%p, " |
| 48 | "event-header-ft-addr=%p, " |
| 49 | "stream-event-context-ft-addr=%p, " |
| 50 | "event-context-ft-addr=%p, " |
| 51 | "event-payload-ft-addr=%p", |
| 52 | packet_header_type, packet_context_type, event_header_type, |
| 53 | stream_event_ctx_type, event_context_type, event_payload_type); |
| 54 | |
| 55 | /* Resolve sequence type lengths and variant type tags first */ |
| 56 | ret = bt_ctf_resolve_types(environment, packet_header_type, |
| 57 | packet_context_type, event_header_type, stream_event_ctx_type, |
| 58 | event_context_type, event_payload_type, |
| 59 | BT_CTF_RESOLVE_FLAG_EVENT_CONTEXT | |
| 60 | BT_CTF_RESOLVE_FLAG_EVENT_PAYLOAD); |
| 61 | if (ret) { |
| 62 | BT_LOGW("Cannot resolve event class field types: ret=%d", |
| 63 | ret); |
| 64 | goto end; |
| 65 | } |
| 66 | |
| 67 | /* Validate field types individually */ |
| 68 | if (event_context_type) { |
| 69 | ret = bt_ctf_field_type_common_validate(event_context_type); |
| 70 | if (ret) { |
| 71 | BT_LOGW("Invalid event class's context field type: " |
| 72 | "ret=%d", ret); |
| 73 | goto end; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | if (event_payload_type) { |
| 78 | ret = bt_ctf_field_type_common_validate(event_payload_type); |
| 79 | if (ret) { |
| 80 | BT_LOGW("Invalid event class's payload field type: " |
| 81 | "ret=%d", ret); |
| 82 | goto end; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | end: |
| 87 | return ret; |
| 88 | } |
| 89 | |
| 90 | /* |
| 91 | * This function resolves and validates the field types of a stream |
| 92 | * class. Only `packet_context_type`, `event_header_type`, and |
| 93 | * `stream_event_ctx_type` are resolved and validated; the other field |
| 94 | * type is used as an eventual resolving target. |
| 95 | * |
| 96 | * All parameters are owned by the caller. |
| 97 | */ |
| 98 | static |
| 99 | int validate_stream_class_types(struct bt_ctf_private_value *environment, |
| 100 | struct bt_ctf_field_type_common *packet_header_type, |
| 101 | struct bt_ctf_field_type_common *packet_context_type, |
| 102 | struct bt_ctf_field_type_common *event_header_type, |
| 103 | struct bt_ctf_field_type_common *stream_event_ctx_type) |
| 104 | { |
| 105 | int ret = 0; |
| 106 | |
| 107 | BT_LOGT("Validating stream class field types: " |
| 108 | "packet-header-ft-addr=%p, " |
| 109 | "packet-context-ft-addr=%p, " |
| 110 | "event-header-ft-addr=%p, " |
| 111 | "stream-event-context-ft-addr=%p", |
| 112 | packet_header_type, packet_context_type, event_header_type, |
| 113 | stream_event_ctx_type); |
| 114 | |
| 115 | /* Resolve sequence type lengths and variant type tags first */ |
| 116 | ret = bt_ctf_resolve_types(environment, packet_header_type, |
| 117 | packet_context_type, event_header_type, stream_event_ctx_type, |
| 118 | NULL, NULL, |
| 119 | BT_CTF_RESOLVE_FLAG_PACKET_CONTEXT | |
| 120 | BT_CTF_RESOLVE_FLAG_EVENT_HEADER | |
| 121 | BT_CTF_RESOLVE_FLAG_STREAM_EVENT_CTX); |
| 122 | if (ret) { |
| 123 | BT_LOGW("Cannot resolve stream class field types: ret=%d", |
| 124 | ret); |
| 125 | goto end; |
| 126 | } |
| 127 | |
| 128 | /* Validate field types individually */ |
| 129 | if (packet_context_type) { |
| 130 | ret = bt_ctf_field_type_common_validate(packet_context_type); |
| 131 | if (ret) { |
| 132 | BT_LOGW("Invalid stream class's packet context field type: " |
| 133 | "ret=%d", ret); |
| 134 | goto end; |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | if (event_header_type) { |
| 139 | ret = bt_ctf_field_type_common_validate(event_header_type); |
| 140 | if (ret) { |
| 141 | BT_LOGW("Invalid stream class's event header field type: " |
| 142 | "ret=%d", ret); |
| 143 | goto end; |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | if (stream_event_ctx_type) { |
| 148 | ret = bt_ctf_field_type_common_validate( |
| 149 | stream_event_ctx_type); |
| 150 | if (ret) { |
| 151 | BT_LOGW("Invalid stream class's event context field type: " |
| 152 | "ret=%d", ret); |
| 153 | goto end; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | end: |
| 158 | return ret; |
| 159 | } |
| 160 | |
| 161 | /* |
| 162 | * This function resolves and validates the field types of a trace. |
| 163 | * |
| 164 | * All parameters are owned by the caller. |
| 165 | */ |
| 166 | static |
| 167 | int validate_trace_types(struct bt_ctf_private_value *environment, |
| 168 | struct bt_ctf_field_type_common *packet_header_type) |
| 169 | { |
| 170 | int ret = 0; |
| 171 | |
| 172 | BT_LOGT("Validating event class field types: " |
| 173 | "packet-header-ft-addr=%p", packet_header_type); |
| 174 | |
| 175 | /* Resolve sequence type lengths and variant type tags first */ |
| 176 | ret = bt_ctf_resolve_types(environment, packet_header_type, |
| 177 | NULL, NULL, NULL, NULL, NULL, |
| 178 | BT_CTF_RESOLVE_FLAG_PACKET_HEADER); |
| 179 | if (ret) { |
| 180 | BT_LOGW("Cannot resolve trace field types: ret=%d", |
| 181 | ret); |
| 182 | goto end; |
| 183 | } |
| 184 | |
| 185 | /* Validate field types individually */ |
| 186 | if (packet_header_type) { |
| 187 | ret = bt_ctf_field_type_common_validate(packet_header_type); |
| 188 | if (ret) { |
| 189 | BT_LOGW("Invalid trace's packet header field type: " |
| 190 | "ret=%d", ret); |
| 191 | goto end; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | end: |
| 196 | return ret; |
| 197 | } |
| 198 | |
| 199 | /* |
| 200 | * Checks whether or not `field_type` contains a variant or a sequence |
| 201 | * field type, recursively. Returns 1 if it's the case. |
| 202 | * |
| 203 | * `field_type` is owned by the caller. |
| 204 | */ |
| 205 | static |
| 206 | int field_type_contains_sequence_or_variant_ft(struct bt_ctf_field_type_common *type) |
| 207 | { |
| 208 | int ret = 0; |
| 209 | enum bt_ctf_field_type_id type_id = bt_ctf_field_type_common_get_type_id(type); |
| 210 | |
| 211 | switch (type_id) { |
| 212 | case BT_CTF_FIELD_TYPE_ID_SEQUENCE: |
| 213 | case BT_CTF_FIELD_TYPE_ID_VARIANT: |
| 214 | ret = 1; |
| 215 | goto end; |
| 216 | case BT_CTF_FIELD_TYPE_ID_ARRAY: |
| 217 | case BT_CTF_FIELD_TYPE_ID_STRUCT: |
| 218 | { |
| 219 | int i; |
| 220 | int field_count = bt_ctf_field_type_common_get_field_count(type); |
| 221 | |
| 222 | if (field_count < 0) { |
| 223 | ret = -1; |
| 224 | goto end; |
| 225 | } |
| 226 | |
| 227 | for (i = 0; i < field_count; ++i) { |
| 228 | struct bt_ctf_field_type_common *child_type = |
| 229 | bt_ctf_field_type_common_borrow_field_at_index( |
| 230 | type, i); |
| 231 | |
| 232 | ret = field_type_contains_sequence_or_variant_ft( |
| 233 | child_type); |
| 234 | if (ret != 0) { |
| 235 | goto end; |
| 236 | } |
| 237 | } |
| 238 | break; |
| 239 | } |
| 240 | default: |
| 241 | break; |
| 242 | } |
| 243 | |
| 244 | end: |
| 245 | return ret; |
| 246 | } |
| 247 | |
| 248 | BT_HIDDEN |
| 249 | int bt_ctf_validate_class_types(struct bt_ctf_private_value *environment, |
| 250 | struct bt_ctf_field_type_common *packet_header_type, |
| 251 | struct bt_ctf_field_type_common *packet_context_type, |
| 252 | struct bt_ctf_field_type_common *event_header_type, |
| 253 | struct bt_ctf_field_type_common *stream_event_ctx_type, |
| 254 | struct bt_ctf_field_type_common *event_context_type, |
| 255 | struct bt_ctf_field_type_common *event_payload_type, |
| 256 | int trace_valid, int stream_class_valid, int event_class_valid, |
| 257 | struct bt_ctf_validation_output *output, |
| 258 | enum bt_ctf_validation_flag validate_flags, |
| 259 | bt_ctf_validation_flag_copy_field_type_func copy_field_type_func) |
| 260 | { |
| 261 | int ret = 0; |
| 262 | int contains_seq_var; |
| 263 | int valid_ret; |
| 264 | |
| 265 | BT_LOGT("Validating field types: " |
| 266 | "packet-header-ft-addr=%p, " |
| 267 | "packet-context-ft-addr=%p, " |
| 268 | "event-header-ft-addr=%p, " |
| 269 | "stream-event-context-ft-addr=%p, " |
| 270 | "event-context-ft-addr=%p, " |
| 271 | "event-payload-ft-addr=%p, " |
| 272 | "trace-is-valid=%d, stream-class-is-valid=%d, " |
| 273 | "event-class-is-valid=%d, validation-flags=%x", |
| 274 | packet_header_type, packet_context_type, event_header_type, |
| 275 | stream_event_ctx_type, event_context_type, event_payload_type, |
| 276 | trace_valid, stream_class_valid, event_class_valid, |
| 277 | (unsigned int) validate_flags); |
| 278 | |
| 279 | /* Clean output values */ |
| 280 | memset(output, 0, sizeof(*output)); |
| 281 | |
| 282 | /* Set initial valid flags according to valid parameters */ |
| 283 | if (trace_valid) { |
| 284 | output->valid_flags |= BT_CTF_VALIDATION_FLAG_TRACE; |
| 285 | } |
| 286 | |
| 287 | if (stream_class_valid) { |
| 288 | output->valid_flags |= BT_CTF_VALIDATION_FLAG_STREAM; |
| 289 | } |
| 290 | |
| 291 | if (event_class_valid) { |
| 292 | output->valid_flags |= BT_CTF_VALIDATION_FLAG_EVENT; |
| 293 | } |
| 294 | |
| 295 | /* Own the type parameters */ |
| 296 | bt_ctf_object_get_ref(packet_header_type); |
| 297 | bt_ctf_object_get_ref(packet_context_type); |
| 298 | bt_ctf_object_get_ref(event_header_type); |
| 299 | bt_ctf_object_get_ref(stream_event_ctx_type); |
| 300 | bt_ctf_object_get_ref(event_context_type); |
| 301 | bt_ctf_object_get_ref(event_payload_type); |
| 302 | |
| 303 | /* Validate trace */ |
| 304 | if ((validate_flags & BT_CTF_VALIDATION_FLAG_TRACE) && !trace_valid) { |
| 305 | struct bt_ctf_field_type_common *packet_header_type_copy = NULL; |
| 306 | |
| 307 | /* Create field type copies */ |
| 308 | if (packet_header_type) { |
| 309 | contains_seq_var = |
| 310 | field_type_contains_sequence_or_variant_ft( |
| 311 | packet_header_type); |
| 312 | if (contains_seq_var < 0) { |
| 313 | ret = contains_seq_var; |
| 314 | goto error; |
| 315 | } else if (!contains_seq_var) { |
| 316 | /* No copy is needed */ |
| 317 | packet_header_type_copy = packet_header_type; |
| 318 | bt_ctf_object_get_ref(packet_header_type_copy); |
| 319 | goto skip_packet_header_type_copy; |
| 320 | } |
| 321 | |
| 322 | BT_LOGT_STR("Copying packet header field type because it contains at least one sequence or variant field type."); |
| 323 | packet_header_type_copy = |
| 324 | copy_field_type_func(packet_header_type); |
| 325 | if (!packet_header_type_copy) { |
| 326 | ret = -1; |
| 327 | BT_LOGE_STR("Cannot copy packet header field type."); |
| 328 | goto error; |
| 329 | } |
| 330 | |
| 331 | /* |
| 332 | * Freeze this copy: if it's returned to the |
| 333 | * caller, it cannot be modified any way since |
| 334 | * it will be resolved. |
| 335 | */ |
| 336 | bt_ctf_field_type_common_freeze(packet_header_type_copy); |
| 337 | } |
| 338 | |
| 339 | skip_packet_header_type_copy: |
| 340 | /* Put original reference and move copy */ |
| 341 | BT_CTF_OBJECT_MOVE_REF(packet_header_type, packet_header_type_copy); |
| 342 | |
| 343 | /* Validate trace field types */ |
| 344 | valid_ret = validate_trace_types(environment, |
| 345 | packet_header_type); |
| 346 | if (valid_ret == 0) { |
| 347 | /* Trace is valid */ |
| 348 | output->valid_flags |= BT_CTF_VALIDATION_FLAG_TRACE; |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | /* Validate stream class */ |
| 353 | if ((validate_flags & BT_CTF_VALIDATION_FLAG_STREAM) && |
| 354 | !stream_class_valid) { |
| 355 | struct bt_ctf_field_type_common *packet_context_type_copy = NULL; |
| 356 | struct bt_ctf_field_type_common *event_header_type_copy = NULL; |
| 357 | struct bt_ctf_field_type_common *stream_event_ctx_type_copy = NULL; |
| 358 | |
| 359 | if (packet_context_type) { |
| 360 | contains_seq_var = |
| 361 | field_type_contains_sequence_or_variant_ft( |
| 362 | packet_context_type); |
| 363 | if (contains_seq_var < 0) { |
| 364 | ret = contains_seq_var; |
| 365 | goto error; |
| 366 | } else if (!contains_seq_var) { |
| 367 | /* No copy is needed */ |
| 368 | packet_context_type_copy = packet_context_type; |
| 369 | bt_ctf_object_get_ref(packet_context_type_copy); |
| 370 | goto skip_packet_context_type_copy; |
| 371 | } |
| 372 | |
| 373 | BT_LOGT_STR("Copying packet context field type because it contains at least one sequence or variant field type."); |
| 374 | packet_context_type_copy = |
| 375 | copy_field_type_func(packet_context_type); |
| 376 | if (!packet_context_type_copy) { |
| 377 | BT_LOGE_STR("Cannot copy packet context field type."); |
| 378 | goto sc_validation_error; |
| 379 | } |
| 380 | |
| 381 | /* |
| 382 | * Freeze this copy: if it's returned to the |
| 383 | * caller, it cannot be modified any way since |
| 384 | * it will be resolved. |
| 385 | */ |
| 386 | bt_ctf_field_type_common_freeze(packet_context_type_copy); |
| 387 | } |
| 388 | |
| 389 | skip_packet_context_type_copy: |
| 390 | if (event_header_type) { |
| 391 | contains_seq_var = |
| 392 | field_type_contains_sequence_or_variant_ft( |
| 393 | event_header_type); |
| 394 | if (contains_seq_var < 0) { |
| 395 | ret = contains_seq_var; |
| 396 | goto error; |
| 397 | } else if (!contains_seq_var) { |
| 398 | /* No copy is needed */ |
| 399 | event_header_type_copy = event_header_type; |
| 400 | bt_ctf_object_get_ref(event_header_type_copy); |
| 401 | goto skip_event_header_type_copy; |
| 402 | } |
| 403 | |
| 404 | BT_LOGT_STR("Copying event header field type because it contains at least one sequence or variant field type."); |
| 405 | event_header_type_copy = |
| 406 | copy_field_type_func(event_header_type); |
| 407 | if (!event_header_type_copy) { |
| 408 | BT_LOGE_STR("Cannot copy event header field type."); |
| 409 | goto sc_validation_error; |
| 410 | } |
| 411 | |
| 412 | /* |
| 413 | * Freeze this copy: if it's returned to the |
| 414 | * caller, it cannot be modified any way since |
| 415 | * it will be resolved. |
| 416 | */ |
| 417 | bt_ctf_field_type_common_freeze(event_header_type_copy); |
| 418 | } |
| 419 | |
| 420 | skip_event_header_type_copy: |
| 421 | if (stream_event_ctx_type) { |
| 422 | contains_seq_var = |
| 423 | field_type_contains_sequence_or_variant_ft( |
| 424 | stream_event_ctx_type); |
| 425 | if (contains_seq_var < 0) { |
| 426 | ret = contains_seq_var; |
| 427 | goto error; |
| 428 | } else if (!contains_seq_var) { |
| 429 | /* No copy is needed */ |
| 430 | stream_event_ctx_type_copy = |
| 431 | stream_event_ctx_type; |
| 432 | bt_ctf_object_get_ref(stream_event_ctx_type_copy); |
| 433 | goto skip_stream_event_ctx_type_copy; |
| 434 | } |
| 435 | |
| 436 | BT_LOGT_STR("Copying stream event context field type because it contains at least one sequence or variant field type."); |
| 437 | stream_event_ctx_type_copy = |
| 438 | copy_field_type_func(stream_event_ctx_type); |
| 439 | if (!stream_event_ctx_type_copy) { |
| 440 | BT_LOGE_STR("Cannot copy stream event context field type."); |
| 441 | goto sc_validation_error; |
| 442 | } |
| 443 | |
| 444 | /* |
| 445 | * Freeze this copy: if it's returned to the |
| 446 | * caller, it cannot be modified any way since |
| 447 | * it will be resolved. |
| 448 | */ |
| 449 | bt_ctf_field_type_common_freeze(stream_event_ctx_type_copy); |
| 450 | } |
| 451 | |
| 452 | skip_stream_event_ctx_type_copy: |
| 453 | /* Put original references and move copies */ |
| 454 | BT_CTF_OBJECT_MOVE_REF(packet_context_type, packet_context_type_copy); |
| 455 | BT_CTF_OBJECT_MOVE_REF(event_header_type, event_header_type_copy); |
| 456 | BT_CTF_OBJECT_MOVE_REF(stream_event_ctx_type, stream_event_ctx_type_copy); |
| 457 | |
| 458 | /* Validate stream class field types */ |
| 459 | valid_ret = validate_stream_class_types(environment, |
| 460 | packet_header_type, packet_context_type, |
| 461 | event_header_type, stream_event_ctx_type); |
| 462 | if (valid_ret == 0) { |
| 463 | /* Stream class is valid */ |
| 464 | output->valid_flags |= BT_CTF_VALIDATION_FLAG_STREAM; |
| 465 | } |
| 466 | |
| 467 | goto sc_validation_done; |
| 468 | |
| 469 | sc_validation_error: |
| 470 | BT_CTF_OBJECT_PUT_REF_AND_RESET(packet_context_type_copy); |
| 471 | BT_CTF_OBJECT_PUT_REF_AND_RESET(event_header_type_copy); |
| 472 | BT_CTF_OBJECT_PUT_REF_AND_RESET(stream_event_ctx_type_copy); |
| 473 | ret = -1; |
| 474 | goto error; |
| 475 | } |
| 476 | |
| 477 | sc_validation_done: |
| 478 | /* Validate event class */ |
| 479 | if ((validate_flags & BT_CTF_VALIDATION_FLAG_EVENT) && |
| 480 | !event_class_valid) { |
| 481 | struct bt_ctf_field_type_common *event_context_type_copy = NULL; |
| 482 | struct bt_ctf_field_type_common *event_payload_type_copy = NULL; |
| 483 | |
| 484 | if (event_context_type) { |
| 485 | contains_seq_var = |
| 486 | field_type_contains_sequence_or_variant_ft( |
| 487 | event_context_type); |
| 488 | if (contains_seq_var < 0) { |
| 489 | ret = contains_seq_var; |
| 490 | goto error; |
| 491 | } else if (!contains_seq_var) { |
| 492 | /* No copy is needed */ |
| 493 | event_context_type_copy = event_context_type; |
| 494 | bt_ctf_object_get_ref(event_context_type_copy); |
| 495 | goto skip_event_context_type_copy; |
| 496 | } |
| 497 | |
| 498 | BT_LOGT_STR("Copying event context field type because it contains at least one sequence or variant field type."); |
| 499 | event_context_type_copy = |
| 500 | copy_field_type_func(event_context_type); |
| 501 | if (!event_context_type_copy) { |
| 502 | BT_LOGE_STR("Cannot copy event context field type."); |
| 503 | goto ec_validation_error; |
| 504 | } |
| 505 | |
| 506 | /* |
| 507 | * Freeze this copy: if it's returned to the |
| 508 | * caller, it cannot be modified any way since |
| 509 | * it will be resolved. |
| 510 | */ |
| 511 | bt_ctf_field_type_common_freeze(event_context_type_copy); |
| 512 | } |
| 513 | |
| 514 | skip_event_context_type_copy: |
| 515 | if (event_payload_type) { |
| 516 | contains_seq_var = |
| 517 | field_type_contains_sequence_or_variant_ft( |
| 518 | event_payload_type); |
| 519 | if (contains_seq_var < 0) { |
| 520 | ret = contains_seq_var; |
| 521 | goto error; |
| 522 | } else if (!contains_seq_var) { |
| 523 | /* No copy is needed */ |
| 524 | event_payload_type_copy = event_payload_type; |
| 525 | bt_ctf_object_get_ref(event_payload_type_copy); |
| 526 | goto skip_event_payload_type_copy; |
| 527 | } |
| 528 | |
| 529 | BT_LOGT_STR("Copying event payload field type because it contains at least one sequence or variant field type."); |
| 530 | event_payload_type_copy = |
| 531 | copy_field_type_func(event_payload_type); |
| 532 | if (!event_payload_type_copy) { |
| 533 | BT_LOGE_STR("Cannot copy event payload field type."); |
| 534 | goto ec_validation_error; |
| 535 | } |
| 536 | |
| 537 | /* |
| 538 | * Freeze this copy: if it's returned to the |
| 539 | * caller, it cannot be modified any way since |
| 540 | * it will be resolved. |
| 541 | */ |
| 542 | bt_ctf_field_type_common_freeze(event_payload_type_copy); |
| 543 | } |
| 544 | |
| 545 | skip_event_payload_type_copy: |
| 546 | /* Put original references and move copies */ |
| 547 | BT_CTF_OBJECT_MOVE_REF(event_context_type, event_context_type_copy); |
| 548 | BT_CTF_OBJECT_MOVE_REF(event_payload_type, event_payload_type_copy); |
| 549 | |
| 550 | /* Validate event class field types */ |
| 551 | valid_ret = validate_event_class_types(environment, |
| 552 | packet_header_type, packet_context_type, |
| 553 | event_header_type, stream_event_ctx_type, |
| 554 | event_context_type, event_payload_type); |
| 555 | if (valid_ret == 0) { |
| 556 | /* Event class is valid */ |
| 557 | output->valid_flags |= BT_CTF_VALIDATION_FLAG_EVENT; |
| 558 | } |
| 559 | |
| 560 | goto ec_validation_done; |
| 561 | |
| 562 | ec_validation_error: |
| 563 | BT_CTF_OBJECT_PUT_REF_AND_RESET(event_context_type_copy); |
| 564 | BT_CTF_OBJECT_PUT_REF_AND_RESET(event_payload_type_copy); |
| 565 | ret = -1; |
| 566 | goto error; |
| 567 | } |
| 568 | |
| 569 | ec_validation_done: |
| 570 | /* |
| 571 | * Validation is complete. Move the field types that were used |
| 572 | * to validate (and that were possibly altered by the validation |
| 573 | * process) to the output values. |
| 574 | */ |
| 575 | BT_CTF_OBJECT_MOVE_REF(output->packet_header_type, packet_header_type); |
| 576 | BT_CTF_OBJECT_MOVE_REF(output->packet_context_type, packet_context_type); |
| 577 | BT_CTF_OBJECT_MOVE_REF(output->event_header_type, event_header_type); |
| 578 | BT_CTF_OBJECT_MOVE_REF(output->stream_event_ctx_type, stream_event_ctx_type); |
| 579 | BT_CTF_OBJECT_MOVE_REF(output->event_context_type, event_context_type); |
| 580 | BT_CTF_OBJECT_MOVE_REF(output->event_payload_type, event_payload_type); |
| 581 | return ret; |
| 582 | |
| 583 | error: |
| 584 | BT_CTF_OBJECT_PUT_REF_AND_RESET(packet_header_type); |
| 585 | BT_CTF_OBJECT_PUT_REF_AND_RESET(packet_context_type); |
| 586 | BT_CTF_OBJECT_PUT_REF_AND_RESET(event_header_type); |
| 587 | BT_CTF_OBJECT_PUT_REF_AND_RESET(stream_event_ctx_type); |
| 588 | BT_CTF_OBJECT_PUT_REF_AND_RESET(event_context_type); |
| 589 | BT_CTF_OBJECT_PUT_REF_AND_RESET(event_payload_type); |
| 590 | return ret; |
| 591 | } |
| 592 | |
| 593 | BT_HIDDEN |
| 594 | void bt_ctf_validation_replace_types(struct bt_ctf_trace_common *trace, |
| 595 | struct bt_ctf_stream_class_common *stream_class, |
| 596 | struct bt_ctf_event_class_common *event_class, |
| 597 | struct bt_ctf_validation_output *output, |
| 598 | enum bt_ctf_validation_flag replace_flags) |
| 599 | { |
| 600 | if ((replace_flags & BT_CTF_VALIDATION_FLAG_TRACE) && trace) { |
| 601 | bt_ctf_field_type_common_freeze(trace->packet_header_field_type); |
| 602 | BT_CTF_OBJECT_MOVE_REF(trace->packet_header_field_type, |
| 603 | output->packet_header_type); |
| 604 | } |
| 605 | |
| 606 | if ((replace_flags & BT_CTF_VALIDATION_FLAG_STREAM) && stream_class) { |
| 607 | bt_ctf_field_type_common_freeze(stream_class->packet_context_field_type); |
| 608 | bt_ctf_field_type_common_freeze(stream_class->event_header_field_type); |
| 609 | bt_ctf_field_type_common_freeze(stream_class->event_context_field_type); |
| 610 | BT_CTF_OBJECT_MOVE_REF(stream_class->packet_context_field_type, |
| 611 | output->packet_context_type); |
| 612 | BT_CTF_OBJECT_MOVE_REF(stream_class->event_header_field_type, |
| 613 | output->event_header_type); |
| 614 | BT_CTF_OBJECT_MOVE_REF(stream_class->event_context_field_type, |
| 615 | output->stream_event_ctx_type); |
| 616 | } |
| 617 | |
| 618 | if ((replace_flags & BT_CTF_VALIDATION_FLAG_EVENT) && event_class) { |
| 619 | bt_ctf_field_type_common_freeze(event_class->context_field_type); |
| 620 | bt_ctf_field_type_common_freeze(event_class->payload_field_type); |
| 621 | BT_CTF_OBJECT_MOVE_REF(event_class->context_field_type, output->event_context_type); |
| 622 | BT_CTF_OBJECT_MOVE_REF(event_class->payload_field_type, output->event_payload_type); |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | BT_HIDDEN |
| 627 | void bt_ctf_validation_output_put_types( |
| 628 | struct bt_ctf_validation_output *output) |
| 629 | { |
| 630 | BT_CTF_OBJECT_PUT_REF_AND_RESET(output->packet_header_type); |
| 631 | BT_CTF_OBJECT_PUT_REF_AND_RESET(output->packet_context_type); |
| 632 | BT_CTF_OBJECT_PUT_REF_AND_RESET(output->event_header_type); |
| 633 | BT_CTF_OBJECT_PUT_REF_AND_RESET(output->stream_event_ctx_type); |
| 634 | BT_CTF_OBJECT_PUT_REF_AND_RESET(output->event_context_type); |
| 635 | BT_CTF_OBJECT_PUT_REF_AND_RESET(output->event_payload_type); |
| 636 | } |