| 1 | /* |
| 2 | * Babeltrace - Mapping of IR metadata and data object between input and output |
| 3 | * trace |
| 4 | * |
| 5 | * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation |
| 6 | * Copyright (c) 2018 Philippe Proulx <pproulx@efficios.com> |
| 7 | * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com> |
| 8 | * |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 10 | * of this software and associated documentation files (the "Software"), to deal |
| 11 | * in the Software without restriction, including without limitation the rights |
| 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 13 | * copies of the Software, and to permit persons to whom the Software is |
| 14 | * furnished to do so, subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | #define BT_COMP_LOG_SELF_COMP (ir_maps->self_comp) |
| 29 | #define BT_LOG_OUTPUT_LEVEL (ir_maps->log_level) |
| 30 | #define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO/TRACE-IR-MAPPING" |
| 31 | #include "plugins/comp-logging.h" |
| 32 | |
| 33 | #include <stdbool.h> |
| 34 | |
| 35 | #include "common/assert.h" |
| 36 | #include <babeltrace2/babeltrace.h> |
| 37 | /* For bt_property_availability */ |
| 38 | #include <babeltrace2/property.h> |
| 39 | |
| 40 | #include "debug-info.h" |
| 41 | #include "trace-ir-data-copy.h" |
| 42 | #include "trace-ir-mapping.h" |
| 43 | #include "trace-ir-metadata-copy.h" |
| 44 | |
| 45 | static |
| 46 | bt_trace_class *create_new_mapped_trace_class(struct trace_ir_maps *ir_maps, |
| 47 | const bt_trace_class *in_trace_class) |
| 48 | { |
| 49 | int ret; |
| 50 | bt_trace_class *out_trace_class; |
| 51 | |
| 52 | BT_COMP_LOGD("Creating new mapped trace class: in-tc-addr=%p", in_trace_class); |
| 53 | |
| 54 | BT_ASSERT(ir_maps); |
| 55 | BT_ASSERT(in_trace_class); |
| 56 | |
| 57 | /* Create the ouput trace class. */ |
| 58 | out_trace_class = bt_trace_class_create(ir_maps->self_comp); |
| 59 | if (!out_trace_class) { |
| 60 | BT_COMP_LOGE_STR("Error create output trace class"); |
| 61 | goto end; |
| 62 | } |
| 63 | |
| 64 | /* If not, create a new one and add it to the mapping. */ |
| 65 | ret = copy_trace_class_content(in_trace_class, out_trace_class, |
| 66 | ir_maps->log_level, ir_maps->self_comp); |
| 67 | if (ret) { |
| 68 | BT_COMP_LOGE_STR("Error copy content to output trace class"); |
| 69 | out_trace_class = NULL; |
| 70 | goto end; |
| 71 | } |
| 72 | |
| 73 | BT_COMP_LOGD("Created new mapped trace class: in-tc-addr=%p, out-tc-addr=%p", |
| 74 | in_trace_class, out_trace_class); |
| 75 | |
| 76 | end: |
| 77 | return out_trace_class; |
| 78 | } |
| 79 | |
| 80 | static |
| 81 | bt_trace *create_new_mapped_trace(struct trace_ir_maps *ir_maps, |
| 82 | const bt_trace *in_trace) |
| 83 | { |
| 84 | bt_trace *out_trace; |
| 85 | const bt_trace_class *in_trace_class; |
| 86 | struct trace_ir_metadata_maps *metadata_maps; |
| 87 | |
| 88 | BT_COMP_LOGD("Creating new mapped trace: in-t-addr=%p", in_trace); |
| 89 | BT_ASSERT(ir_maps); |
| 90 | BT_ASSERT(in_trace); |
| 91 | |
| 92 | in_trace_class = bt_trace_borrow_class_const(in_trace); |
| 93 | metadata_maps = borrow_metadata_maps_from_input_trace_class(ir_maps, |
| 94 | in_trace_class); |
| 95 | |
| 96 | if (!metadata_maps->output_trace_class) { |
| 97 | metadata_maps->output_trace_class = |
| 98 | create_new_mapped_trace_class(ir_maps, in_trace_class); |
| 99 | if (!metadata_maps->output_trace_class) { |
| 100 | out_trace = NULL; |
| 101 | goto end; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | out_trace = bt_trace_create(metadata_maps->output_trace_class); |
| 106 | if (!out_trace) { |
| 107 | BT_COMP_LOGE_STR("Error create output trace"); |
| 108 | goto end; |
| 109 | } |
| 110 | |
| 111 | /* If not, create a new one and add it to the mapping. */ |
| 112 | copy_trace_content(in_trace, out_trace, ir_maps->log_level, |
| 113 | ir_maps->self_comp); |
| 114 | |
| 115 | BT_COMP_LOGD("Created new mapped trace: in-t-addr=%p, out-t-addr=%p", |
| 116 | in_trace, out_trace); |
| 117 | end: |
| 118 | return out_trace; |
| 119 | } |
| 120 | |
| 121 | static |
| 122 | bt_stream_class *borrow_mapped_stream_class(struct trace_ir_metadata_maps *md_maps, |
| 123 | const bt_stream_class *in_stream_class) |
| 124 | { |
| 125 | BT_ASSERT(md_maps); |
| 126 | BT_ASSERT(in_stream_class); |
| 127 | |
| 128 | return g_hash_table_lookup(md_maps->stream_class_map, |
| 129 | (gpointer) in_stream_class); |
| 130 | } |
| 131 | |
| 132 | static |
| 133 | bt_stream_class *create_new_mapped_stream_class(struct trace_ir_maps *ir_maps, |
| 134 | const bt_stream_class *in_stream_class) |
| 135 | { |
| 136 | int ret; |
| 137 | bt_stream_class *out_stream_class; |
| 138 | struct trace_ir_metadata_maps *md_maps; |
| 139 | |
| 140 | BT_COMP_LOGD("Creating new mapped stream class: in-sc-addr=%p", |
| 141 | in_stream_class); |
| 142 | |
| 143 | md_maps = borrow_metadata_maps_from_input_stream_class(ir_maps, |
| 144 | in_stream_class); |
| 145 | |
| 146 | BT_ASSERT(md_maps); |
| 147 | BT_ASSERT(in_stream_class); |
| 148 | BT_ASSERT(!borrow_mapped_stream_class(md_maps, in_stream_class)); |
| 149 | |
| 150 | /* Create an out_stream_class. */ |
| 151 | out_stream_class = bt_stream_class_create_with_id( |
| 152 | md_maps->output_trace_class, |
| 153 | bt_stream_class_get_id(in_stream_class)); |
| 154 | if (!out_stream_class) { |
| 155 | BT_COMP_LOGE_STR("Error create output stream class"); |
| 156 | goto end; |
| 157 | } |
| 158 | |
| 159 | /* If not, create a new one and add it to the mapping. */ |
| 160 | ret = copy_stream_class_content(ir_maps, in_stream_class, |
| 161 | out_stream_class); |
| 162 | if (ret) { |
| 163 | BT_COMP_LOGE_STR("Error copy content to output stream class"); |
| 164 | out_stream_class = NULL; |
| 165 | goto end; |
| 166 | } |
| 167 | |
| 168 | g_hash_table_insert(md_maps->stream_class_map, |
| 169 | (gpointer) in_stream_class, out_stream_class); |
| 170 | |
| 171 | BT_COMP_LOGD("Created new mapped stream class: in-sc-addr=%p, out-sc-addr=%p", |
| 172 | in_stream_class, out_stream_class); |
| 173 | |
| 174 | end: |
| 175 | return out_stream_class; |
| 176 | } |
| 177 | |
| 178 | static |
| 179 | bt_stream *borrow_mapped_stream(struct trace_ir_data_maps *d_maps, |
| 180 | const bt_stream *in_stream) |
| 181 | { |
| 182 | BT_ASSERT(d_maps); |
| 183 | BT_ASSERT(in_stream); |
| 184 | |
| 185 | return g_hash_table_lookup(d_maps->stream_map, (gpointer) in_stream); |
| 186 | } |
| 187 | |
| 188 | BT_HIDDEN |
| 189 | bt_stream *trace_ir_mapping_create_new_mapped_stream( |
| 190 | struct trace_ir_maps *ir_maps, |
| 191 | const bt_stream *in_stream) |
| 192 | { |
| 193 | struct trace_ir_data_maps *d_maps; |
| 194 | struct trace_ir_metadata_maps *md_maps; |
| 195 | const bt_stream_class *in_stream_class; |
| 196 | const bt_trace *in_trace; |
| 197 | bt_stream_class *out_stream_class; |
| 198 | bt_stream *out_stream = NULL; |
| 199 | |
| 200 | BT_ASSERT(ir_maps); |
| 201 | BT_ASSERT(in_stream); |
| 202 | BT_COMP_LOGD("Creating new mapped stream: in-s-addr=%p", in_stream); |
| 203 | |
| 204 | in_trace = bt_stream_borrow_trace_const(in_stream); |
| 205 | |
| 206 | d_maps = borrow_data_maps_from_input_trace(ir_maps, in_trace); |
| 207 | if (!d_maps->output_trace) { |
| 208 | d_maps->output_trace = create_new_mapped_trace(ir_maps, in_trace); |
| 209 | if (!d_maps->output_trace) { |
| 210 | goto end; |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | BT_ASSERT(d_maps->output_trace); |
| 215 | BT_ASSERT(!borrow_mapped_stream(d_maps, in_stream)); |
| 216 | |
| 217 | in_stream_class = bt_stream_borrow_class_const(in_stream); |
| 218 | md_maps = borrow_metadata_maps_from_input_stream_class(ir_maps, in_stream_class); |
| 219 | out_stream_class = borrow_mapped_stream_class(md_maps, in_stream_class); |
| 220 | if (!out_stream_class) { |
| 221 | out_stream_class = create_new_mapped_stream_class(ir_maps, |
| 222 | in_stream_class); |
| 223 | if (!out_stream_class) { |
| 224 | goto end; |
| 225 | } |
| 226 | } |
| 227 | BT_ASSERT(out_stream_class); |
| 228 | |
| 229 | out_stream = bt_stream_create_with_id(out_stream_class, |
| 230 | d_maps->output_trace, bt_stream_get_id(in_stream)); |
| 231 | if (!out_stream) { |
| 232 | BT_COMP_LOGE_STR("Error creating output stream"); |
| 233 | goto end; |
| 234 | } |
| 235 | /* |
| 236 | * Release our ref since the trace object will be managing the life |
| 237 | * time of the stream objects. |
| 238 | */ |
| 239 | |
| 240 | copy_stream_content(in_stream, out_stream, ir_maps->log_level, |
| 241 | ir_maps->self_comp); |
| 242 | |
| 243 | g_hash_table_insert(d_maps->stream_map, (gpointer) in_stream, |
| 244 | out_stream); |
| 245 | |
| 246 | BT_COMP_LOGD("Created new mapped stream: in-s-addr=%p, out-s-addr=%p", |
| 247 | in_stream, out_stream); |
| 248 | |
| 249 | end: |
| 250 | return out_stream; |
| 251 | } |
| 252 | |
| 253 | BT_HIDDEN |
| 254 | bt_stream *trace_ir_mapping_borrow_mapped_stream(struct trace_ir_maps *ir_maps, |
| 255 | const bt_stream *in_stream) |
| 256 | { |
| 257 | BT_ASSERT(ir_maps); |
| 258 | BT_ASSERT(in_stream); |
| 259 | struct trace_ir_data_maps *d_maps; |
| 260 | |
| 261 | d_maps = borrow_data_maps_from_input_stream(ir_maps, in_stream); |
| 262 | /* Return the mapped stream. */ |
| 263 | return borrow_mapped_stream(d_maps, in_stream); |
| 264 | } |
| 265 | |
| 266 | static inline |
| 267 | bt_event_class *borrow_mapped_event_class(struct trace_ir_metadata_maps *md_maps, |
| 268 | const bt_event_class *in_event_class) |
| 269 | { |
| 270 | return g_hash_table_lookup(md_maps->event_class_map, |
| 271 | (gpointer) in_event_class); |
| 272 | } |
| 273 | |
| 274 | BT_HIDDEN |
| 275 | bt_event_class *trace_ir_mapping_create_new_mapped_event_class( |
| 276 | struct trace_ir_maps *ir_maps, |
| 277 | const bt_event_class *in_event_class) |
| 278 | { |
| 279 | bt_event_class *out_event_class; |
| 280 | const bt_trace_class *in_trace_class; |
| 281 | const bt_stream_class *in_stream_class; |
| 282 | bt_stream_class *out_stream_class; |
| 283 | struct trace_ir_metadata_maps *md_maps; |
| 284 | int ret; |
| 285 | |
| 286 | BT_ASSERT(ir_maps); |
| 287 | BT_ASSERT(in_event_class); |
| 288 | BT_COMP_LOGD("Creating new mapped event class: in-ec-addr=%p", |
| 289 | in_event_class); |
| 290 | |
| 291 | in_trace_class = bt_stream_class_borrow_trace_class_const( |
| 292 | bt_event_class_borrow_stream_class_const( |
| 293 | in_event_class)); |
| 294 | |
| 295 | md_maps = borrow_metadata_maps_from_input_trace_class(ir_maps, in_trace_class); |
| 296 | |
| 297 | BT_ASSERT(!borrow_mapped_event_class(md_maps, in_event_class)); |
| 298 | |
| 299 | in_stream_class = |
| 300 | bt_event_class_borrow_stream_class_const(in_event_class); |
| 301 | BT_ASSERT(in_stream_class); |
| 302 | |
| 303 | /* Get the right output stream class to add the new event class to. */ |
| 304 | out_stream_class = borrow_mapped_stream_class(md_maps, in_stream_class); |
| 305 | BT_ASSERT(out_stream_class); |
| 306 | |
| 307 | /* Create an output event class. */ |
| 308 | out_event_class = bt_event_class_create_with_id(out_stream_class, |
| 309 | bt_event_class_get_id(in_event_class)); |
| 310 | if (!out_event_class) { |
| 311 | BT_COMP_LOGE_STR("Error creating output event class"); |
| 312 | goto end; |
| 313 | } |
| 314 | |
| 315 | /* If not, create a new one and add it to the mapping. */ |
| 316 | ret = copy_event_class_content(ir_maps, in_event_class, |
| 317 | out_event_class); |
| 318 | if (ret) { |
| 319 | BT_COMP_LOGE_STR("Error copy content to output event class"); |
| 320 | out_event_class = NULL; |
| 321 | goto end; |
| 322 | } |
| 323 | |
| 324 | g_hash_table_insert(md_maps->event_class_map, |
| 325 | (gpointer) in_event_class, out_event_class); |
| 326 | |
| 327 | BT_COMP_LOGD("Created new mapped event class: in-ec-addr=%p, out-ec-addr=%p", |
| 328 | in_event_class, out_event_class); |
| 329 | |
| 330 | end: |
| 331 | return out_event_class; |
| 332 | } |
| 333 | |
| 334 | BT_HIDDEN |
| 335 | bt_event_class *trace_ir_mapping_borrow_mapped_event_class( |
| 336 | struct trace_ir_maps *ir_maps, |
| 337 | const bt_event_class *in_event_class) |
| 338 | { |
| 339 | struct trace_ir_metadata_maps *md_maps; |
| 340 | |
| 341 | BT_ASSERT(ir_maps); |
| 342 | BT_ASSERT(in_event_class); |
| 343 | |
| 344 | md_maps = borrow_metadata_maps_from_input_event_class(ir_maps, in_event_class); |
| 345 | |
| 346 | /* Return the mapped event_class. */ |
| 347 | return borrow_mapped_event_class(md_maps, in_event_class); |
| 348 | } |
| 349 | |
| 350 | static inline |
| 351 | bt_packet *borrow_mapped_packet(struct trace_ir_data_maps *d_maps, |
| 352 | const bt_packet *in_packet) |
| 353 | { |
| 354 | BT_ASSERT(d_maps); |
| 355 | BT_ASSERT(in_packet); |
| 356 | |
| 357 | return g_hash_table_lookup(d_maps->packet_map, |
| 358 | (gpointer) in_packet); |
| 359 | } |
| 360 | |
| 361 | BT_HIDDEN |
| 362 | bt_packet *trace_ir_mapping_create_new_mapped_packet( |
| 363 | struct trace_ir_maps *ir_maps, |
| 364 | const bt_packet *in_packet) |
| 365 | { |
| 366 | struct trace_ir_data_maps *d_maps; |
| 367 | const bt_trace *in_trace; |
| 368 | const bt_stream *in_stream; |
| 369 | bt_packet *out_packet; |
| 370 | bt_stream *out_stream; |
| 371 | |
| 372 | BT_COMP_LOGD("Creating new mapped packet: in-p-addr=%p", in_packet); |
| 373 | |
| 374 | in_stream = bt_packet_borrow_stream_const(in_packet); |
| 375 | in_trace = bt_stream_borrow_trace_const(in_stream); |
| 376 | d_maps = borrow_data_maps_from_input_trace(ir_maps, in_trace); |
| 377 | |
| 378 | /* There should never be a mapped packet. */ |
| 379 | BT_ASSERT(!borrow_mapped_packet(d_maps, in_packet)); |
| 380 | |
| 381 | BT_ASSERT(in_stream); |
| 382 | |
| 383 | /* Get output stream corresponding to this input stream. */ |
| 384 | out_stream = borrow_mapped_stream(d_maps, in_stream); |
| 385 | BT_ASSERT(out_stream); |
| 386 | |
| 387 | /* Create the output packet. */ |
| 388 | out_packet = bt_packet_create(out_stream); |
| 389 | if (!out_packet) { |
| 390 | BT_COMP_LOGE_STR("Error create output packet"); |
| 391 | goto end; |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * Release our ref since the stream object will be managing the life |
| 396 | * time of the packet objects. |
| 397 | */ |
| 398 | copy_packet_content(in_packet, out_packet, ir_maps->log_level, |
| 399 | ir_maps->self_comp); |
| 400 | |
| 401 | g_hash_table_insert(d_maps->packet_map, |
| 402 | (gpointer) in_packet, out_packet); |
| 403 | |
| 404 | BT_COMP_LOGD("Created new mapped packet: in-p-addr=%p, out-p-addr=%p", |
| 405 | in_packet, out_packet); |
| 406 | |
| 407 | end: |
| 408 | return out_packet; |
| 409 | } |
| 410 | |
| 411 | BT_HIDDEN |
| 412 | bt_packet *trace_ir_mapping_borrow_mapped_packet(struct trace_ir_maps *ir_maps, |
| 413 | const bt_packet *in_packet) |
| 414 | { |
| 415 | struct trace_ir_data_maps *d_maps; |
| 416 | BT_ASSERT(ir_maps); |
| 417 | BT_ASSERT(in_packet); |
| 418 | |
| 419 | d_maps = borrow_data_maps_from_input_packet(ir_maps, in_packet); |
| 420 | |
| 421 | return borrow_mapped_packet(d_maps, in_packet); |
| 422 | } |
| 423 | |
| 424 | BT_HIDDEN |
| 425 | void trace_ir_mapping_remove_mapped_packet(struct trace_ir_maps *ir_maps, |
| 426 | const bt_packet *in_packet) |
| 427 | { |
| 428 | gboolean ret; |
| 429 | |
| 430 | struct trace_ir_data_maps *d_maps; |
| 431 | BT_ASSERT(ir_maps); |
| 432 | BT_ASSERT(in_packet); |
| 433 | |
| 434 | d_maps = borrow_data_maps_from_input_packet(ir_maps, in_packet); |
| 435 | |
| 436 | ret = g_hash_table_remove(d_maps->packet_map, in_packet); |
| 437 | |
| 438 | BT_ASSERT(ret); |
| 439 | } |
| 440 | |
| 441 | BT_HIDDEN |
| 442 | void trace_ir_mapping_remove_mapped_stream(struct trace_ir_maps *ir_maps, |
| 443 | const bt_stream *in_stream) |
| 444 | { |
| 445 | gboolean ret; |
| 446 | struct trace_ir_data_maps *d_maps; |
| 447 | |
| 448 | BT_ASSERT(ir_maps); |
| 449 | BT_ASSERT(in_stream); |
| 450 | |
| 451 | d_maps = borrow_data_maps_from_input_stream(ir_maps, in_stream); |
| 452 | |
| 453 | ret = g_hash_table_remove(d_maps->stream_map, in_stream); |
| 454 | |
| 455 | BT_ASSERT(ret); |
| 456 | } |
| 457 | |
| 458 | static |
| 459 | void trace_ir_metadata_maps_remove_func(const bt_trace_class *in_trace_class, |
| 460 | void *data) |
| 461 | { |
| 462 | struct trace_ir_maps *maps = (struct trace_ir_maps *) data; |
| 463 | if (maps->metadata_maps) { |
| 464 | gboolean ret; |
| 465 | ret = g_hash_table_remove(maps->metadata_maps, |
| 466 | (gpointer) in_trace_class); |
| 467 | BT_ASSERT(ret); |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | static |
| 472 | void trace_ir_data_maps_remove_func(const bt_trace *in_trace, void *data) |
| 473 | { |
| 474 | struct trace_ir_maps *maps = (struct trace_ir_maps *) data; |
| 475 | if (maps->data_maps) { |
| 476 | gboolean ret; |
| 477 | ret = g_hash_table_remove(maps->data_maps, (gpointer) in_trace); |
| 478 | BT_ASSERT(ret); |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | struct trace_ir_data_maps *trace_ir_data_maps_create(struct trace_ir_maps *ir_maps, |
| 483 | const bt_trace *in_trace) |
| 484 | { |
| 485 | struct trace_ir_data_maps *d_maps = |
| 486 | g_new0(struct trace_ir_data_maps, 1); |
| 487 | if (!d_maps) { |
| 488 | BT_COMP_LOGE_STR("Error allocating trace_ir_maps"); |
| 489 | goto error; |
| 490 | } |
| 491 | |
| 492 | d_maps->log_level = ir_maps->log_level; |
| 493 | d_maps->self_comp = ir_maps->self_comp; |
| 494 | d_maps->input_trace = in_trace; |
| 495 | |
| 496 | /* Create the hashtables used to map data objects. */ |
| 497 | d_maps->stream_map = g_hash_table_new_full(g_direct_hash, |
| 498 | g_direct_equal, NULL,(GDestroyNotify) bt_stream_put_ref); |
| 499 | d_maps->packet_map = g_hash_table_new_full(g_direct_hash, |
| 500 | g_direct_equal, NULL,(GDestroyNotify) bt_packet_put_ref); |
| 501 | |
| 502 | bt_trace_add_destruction_listener(in_trace, trace_ir_data_maps_remove_func, |
| 503 | ir_maps, &d_maps->destruction_listener_id); |
| 504 | error: |
| 505 | return d_maps; |
| 506 | } |
| 507 | |
| 508 | struct trace_ir_metadata_maps *trace_ir_metadata_maps_create( |
| 509 | struct trace_ir_maps *ir_maps, |
| 510 | const bt_trace_class *in_trace_class) |
| 511 | { |
| 512 | struct trace_ir_metadata_maps *md_maps = |
| 513 | g_new0(struct trace_ir_metadata_maps, 1); |
| 514 | if (!md_maps) { |
| 515 | BT_COMP_LOGE_STR("Error allocating trace_ir_maps"); |
| 516 | goto error; |
| 517 | } |
| 518 | |
| 519 | md_maps->log_level = ir_maps->log_level; |
| 520 | md_maps->self_comp = ir_maps->self_comp; |
| 521 | md_maps->input_trace_class = in_trace_class; |
| 522 | /* |
| 523 | * Create the field class resolving context. This is needed to keep |
| 524 | * track of the field class already copied in order to do the field |
| 525 | * path resolution correctly. |
| 526 | */ |
| 527 | md_maps->fc_resolving_ctx = |
| 528 | g_new0(struct field_class_resolving_context, 1); |
| 529 | if (!md_maps->fc_resolving_ctx) { |
| 530 | BT_COMP_LOGE_STR("Error allocating field_class_resolving_context"); |
| 531 | goto error; |
| 532 | } |
| 533 | |
| 534 | /* Create the hashtables used to map metadata objects. */ |
| 535 | md_maps->stream_class_map = g_hash_table_new_full(g_direct_hash, |
| 536 | g_direct_equal, NULL, (GDestroyNotify) bt_stream_class_put_ref); |
| 537 | md_maps->event_class_map = g_hash_table_new_full(g_direct_hash, |
| 538 | g_direct_equal, NULL, (GDestroyNotify) bt_event_class_put_ref); |
| 539 | md_maps->field_class_map = g_hash_table_new_full(g_direct_hash, |
| 540 | g_direct_equal, NULL, (GDestroyNotify) bt_field_class_put_ref); |
| 541 | md_maps->clock_class_map = g_hash_table_new_full(g_direct_hash, |
| 542 | g_direct_equal, NULL, (GDestroyNotify) bt_clock_class_put_ref); |
| 543 | |
| 544 | bt_trace_class_add_destruction_listener(in_trace_class, |
| 545 | trace_ir_metadata_maps_remove_func, |
| 546 | ir_maps, &md_maps->destruction_listener_id); |
| 547 | error: |
| 548 | return md_maps; |
| 549 | } |
| 550 | |
| 551 | BT_HIDDEN |
| 552 | void trace_ir_data_maps_destroy(struct trace_ir_data_maps *maps) |
| 553 | { |
| 554 | bt_trace_remove_listener_status status; |
| 555 | |
| 556 | if (!maps) { |
| 557 | return; |
| 558 | } |
| 559 | |
| 560 | if (maps->packet_map) { |
| 561 | g_hash_table_destroy(maps->packet_map); |
| 562 | } |
| 563 | |
| 564 | if (maps->stream_map) { |
| 565 | g_hash_table_destroy(maps->stream_map); |
| 566 | } |
| 567 | |
| 568 | if (maps->output_trace) { |
| 569 | bt_trace_put_ref(maps->output_trace); |
| 570 | } |
| 571 | |
| 572 | status = bt_trace_remove_destruction_listener(maps->input_trace, |
| 573 | maps->destruction_listener_id); |
| 574 | if (status != BT_TRACE_REMOVE_LISTENER_STATUS_OK) { |
| 575 | BT_COMP_LOG_CUR_LVL(BT_LOG_DEBUG, maps->log_level, |
| 576 | maps->self_comp, |
| 577 | "Trace destruction listener removal failed."); |
| 578 | } |
| 579 | |
| 580 | g_free(maps); |
| 581 | } |
| 582 | |
| 583 | BT_HIDDEN |
| 584 | void trace_ir_metadata_maps_destroy(struct trace_ir_metadata_maps *maps) |
| 585 | { |
| 586 | bt_trace_class_remove_listener_status status; |
| 587 | |
| 588 | if (!maps) { |
| 589 | return; |
| 590 | } |
| 591 | |
| 592 | if (maps->stream_class_map) { |
| 593 | g_hash_table_destroy(maps->stream_class_map); |
| 594 | } |
| 595 | |
| 596 | if (maps->event_class_map) { |
| 597 | g_hash_table_destroy(maps->event_class_map); |
| 598 | } |
| 599 | |
| 600 | if (maps->field_class_map) { |
| 601 | g_hash_table_destroy(maps->field_class_map); |
| 602 | } |
| 603 | |
| 604 | if (maps->clock_class_map) { |
| 605 | g_hash_table_destroy(maps->clock_class_map); |
| 606 | } |
| 607 | |
| 608 | if (maps->fc_resolving_ctx) { |
| 609 | g_free(maps->fc_resolving_ctx); |
| 610 | } |
| 611 | |
| 612 | if (maps->output_trace_class) { |
| 613 | bt_trace_class_put_ref(maps->output_trace_class); |
| 614 | } |
| 615 | |
| 616 | status = bt_trace_class_remove_destruction_listener( |
| 617 | maps->input_trace_class, |
| 618 | maps->destruction_listener_id); |
| 619 | if (status != BT_TRACE_CLASS_REMOVE_LISTENER_STATUS_OK) { |
| 620 | BT_COMP_LOG_CUR_LVL(BT_LOG_DEBUG, maps->log_level, |
| 621 | maps->self_comp, |
| 622 | "Trace destruction listener removal failed."); |
| 623 | } |
| 624 | |
| 625 | g_free(maps); |
| 626 | } |
| 627 | |
| 628 | void trace_ir_maps_clear(struct trace_ir_maps *maps) |
| 629 | { |
| 630 | if (maps->data_maps) { |
| 631 | g_hash_table_remove_all(maps->data_maps); |
| 632 | } |
| 633 | |
| 634 | if (maps->metadata_maps) { |
| 635 | g_hash_table_remove_all(maps->metadata_maps); |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | BT_HIDDEN |
| 640 | void trace_ir_maps_destroy(struct trace_ir_maps *maps) |
| 641 | { |
| 642 | if (!maps) { |
| 643 | return; |
| 644 | } |
| 645 | |
| 646 | if (maps->debug_info_field_class_name) { |
| 647 | g_free(maps->debug_info_field_class_name); |
| 648 | } |
| 649 | |
| 650 | if (maps->data_maps) { |
| 651 | g_hash_table_destroy(maps->data_maps); |
| 652 | maps->data_maps = NULL; |
| 653 | } |
| 654 | |
| 655 | if (maps->metadata_maps) { |
| 656 | g_hash_table_destroy(maps->metadata_maps); |
| 657 | maps->metadata_maps = NULL; |
| 658 | } |
| 659 | |
| 660 | g_free(maps); |
| 661 | } |
| 662 | |
| 663 | BT_HIDDEN |
| 664 | struct trace_ir_maps *trace_ir_maps_create(bt_self_component *self_comp, |
| 665 | const char *debug_info_field_name, bt_logging_level log_level) |
| 666 | { |
| 667 | struct trace_ir_maps *ir_maps = |
| 668 | g_new0(struct trace_ir_maps, 1); |
| 669 | if (!ir_maps) { |
| 670 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
| 671 | "Error allocating trace_ir_maps"); |
| 672 | goto error; |
| 673 | } |
| 674 | |
| 675 | ir_maps->log_level = log_level; |
| 676 | ir_maps->self_comp = self_comp; |
| 677 | |
| 678 | /* Copy debug info field name received from the user. */ |
| 679 | ir_maps->debug_info_field_class_name = |
| 680 | g_strdup(debug_info_field_name); |
| 681 | if (!ir_maps->debug_info_field_class_name) { |
| 682 | BT_COMP_LOGE_STR("Cannot copy debug info field name"); |
| 683 | goto error; |
| 684 | } |
| 685 | |
| 686 | ir_maps->self_comp = self_comp; |
| 687 | |
| 688 | ir_maps->data_maps = g_hash_table_new_full(g_direct_hash, |
| 689 | g_direct_equal, (GDestroyNotify) NULL, |
| 690 | (GDestroyNotify) trace_ir_data_maps_destroy); |
| 691 | |
| 692 | ir_maps->metadata_maps = g_hash_table_new_full(g_direct_hash, |
| 693 | g_direct_equal, (GDestroyNotify) NULL, |
| 694 | (GDestroyNotify) trace_ir_metadata_maps_destroy); |
| 695 | |
| 696 | goto end; |
| 697 | error: |
| 698 | trace_ir_maps_destroy(ir_maps); |
| 699 | ir_maps = NULL; |
| 700 | end: |
| 701 | return ir_maps; |
| 702 | } |