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15fe47e0 PP |
1 | /* |
2 | * Copyright 2019 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
ffa3b2b3 | 23 | #define BT_LOG_OUTPUT_LEVEL (ctx->log_level) |
350ad6c1 | 24 | #define BT_LOG_TAG "PLUGIN/SINK.CTF.FS/TRANSLATE-TRACE-IR-TO-CTF-IR" |
ffa3b2b3 | 25 | #include "logging/log.h" |
15fe47e0 | 26 | |
3fadfbc0 | 27 | #include <babeltrace2/babeltrace.h> |
91d81473 | 28 | #include "common/macros.h" |
578e048b MJ |
29 | #include "common/common.h" |
30 | #include "common/assert.h" | |
15fe47e0 PP |
31 | #include <stdio.h> |
32 | #include <stdbool.h> | |
33 | #include <string.h> | |
34 | #include <glib.h> | |
35 | ||
36 | #include "fs-sink-ctf-meta.h" | |
37 | ||
38 | struct field_path_elem { | |
39 | uint64_t index_in_parent; | |
40 | GString *name; | |
41 | ||
42 | /* Weak */ | |
43 | const bt_field_class *ir_fc; | |
44 | ||
45 | /* Weak */ | |
46 | struct fs_sink_ctf_field_class *parent_fc; | |
47 | }; | |
48 | ||
49 | struct ctx { | |
ffa3b2b3 PP |
50 | bt_logging_level log_level; |
51 | ||
15fe47e0 PP |
52 | /* Weak */ |
53 | struct fs_sink_ctf_stream_class *cur_sc; | |
54 | ||
55 | /* Weak */ | |
56 | struct fs_sink_ctf_event_class *cur_ec; | |
57 | ||
58 | bt_scope cur_scope; | |
59 | ||
60 | /* | |
61 | * Array of `struct field_path_elem` */ | |
62 | GArray *cur_path; | |
63 | }; | |
64 | ||
65 | static inline | |
66 | struct field_path_elem *cur_path_stack_at(struct ctx *ctx, uint64_t i) | |
67 | { | |
68 | BT_ASSERT(i < ctx->cur_path->len); | |
69 | return &g_array_index(ctx->cur_path, struct field_path_elem, i); | |
70 | } | |
71 | ||
72 | static inline | |
73 | struct field_path_elem *cur_path_stack_top(struct ctx *ctx) | |
74 | { | |
75 | BT_ASSERT(ctx->cur_path->len > 0); | |
76 | return cur_path_stack_at(ctx, ctx->cur_path->len - 1); | |
77 | } | |
78 | ||
79 | static inline | |
80 | bool is_reserved_member_name(const char *name, const char *reserved_name) | |
81 | { | |
82 | bool is_reserved = false; | |
83 | ||
84 | if (strcmp(name, reserved_name) == 0) { | |
85 | is_reserved = true; | |
86 | goto end; | |
87 | } | |
88 | ||
89 | if (name[0] == '_' && strcmp(&name[1], reserved_name) == 0) { | |
90 | is_reserved = true; | |
91 | goto end; | |
92 | } | |
93 | ||
94 | end: | |
95 | return is_reserved; | |
96 | } | |
97 | ||
98 | static inline | |
99 | int cur_path_stack_push(struct ctx *ctx, | |
100 | uint64_t index_in_parent, const char *ir_name, | |
101 | const bt_field_class *ir_fc, | |
102 | struct fs_sink_ctf_field_class *parent_fc) | |
103 | { | |
104 | int ret = 0; | |
105 | struct field_path_elem *field_path_elem; | |
106 | ||
107 | g_array_set_size(ctx->cur_path, ctx->cur_path->len + 1); | |
108 | field_path_elem = cur_path_stack_top(ctx); | |
109 | field_path_elem->index_in_parent = index_in_parent; | |
110 | field_path_elem->name = g_string_new(ir_name); | |
111 | ||
112 | if (ir_name) { | |
113 | if (ctx->cur_scope == BT_SCOPE_PACKET_CONTEXT) { | |
114 | if (is_reserved_member_name(ir_name, "packet_size") || | |
115 | is_reserved_member_name(ir_name, "content_size") || | |
116 | is_reserved_member_name(ir_name, "timestamp_begin") || | |
117 | is_reserved_member_name(ir_name, "timestamp_end") || | |
118 | is_reserved_member_name(ir_name, "events_discarded") || | |
119 | is_reserved_member_name(ir_name, "packet_seq_num")) { | |
120 | BT_LOGE("Unsupported reserved TSDL structure field class member " | |
121 | "or variant field class option name: name=\"%s\"", | |
122 | ir_name); | |
123 | ret = -1; | |
124 | goto end; | |
125 | } | |
126 | } | |
127 | ||
128 | ret = fs_sink_ctf_protect_name(field_path_elem->name); | |
129 | if (ret) { | |
130 | BT_LOGE("Unsupported non-TSDL structure field class member " | |
131 | "or variant field class option name: name=\"%s\"", | |
132 | ir_name); | |
133 | goto end; | |
134 | } | |
135 | } | |
136 | ||
137 | field_path_elem->ir_fc = ir_fc; | |
138 | field_path_elem->parent_fc = parent_fc; | |
139 | ||
140 | end: | |
141 | return ret; | |
142 | } | |
143 | ||
144 | static inline | |
145 | void cur_path_stack_pop(struct ctx *ctx) | |
146 | { | |
147 | struct field_path_elem *field_path_elem; | |
148 | ||
149 | BT_ASSERT(ctx->cur_path->len > 0); | |
150 | field_path_elem = cur_path_stack_top(ctx); | |
151 | ||
152 | if (field_path_elem->name) { | |
153 | g_string_free(field_path_elem->name, TRUE); | |
154 | field_path_elem->name = NULL; | |
155 | } | |
156 | ||
157 | g_array_set_size(ctx->cur_path, ctx->cur_path->len - 1); | |
158 | } | |
159 | ||
15fe47e0 PP |
160 | /* |
161 | * Creates a relative field ref (a single name) from IR field path | |
162 | * `tgt_ir_field_path`. | |
163 | * | |
164 | * This function tries to locate the target field class recursively from | |
165 | * the top to the bottom of the context's current path using only the | |
166 | * target field class's own name. This is because many CTF reading tools | |
167 | * do not support a relative field ref with more than one element, for | |
168 | * example `prev_struct.len`. | |
169 | * | |
170 | * Returns a negative value if this resolving operation failed. | |
171 | */ | |
172 | static | |
173 | int create_relative_field_ref(struct ctx *ctx, | |
174 | const bt_field_path *tgt_ir_field_path, GString *tgt_field_ref) | |
175 | { | |
176 | int ret = 0; | |
177 | struct fs_sink_ctf_field_class *tgt_fc = NULL; | |
178 | uint64_t i; | |
179 | int64_t si; | |
e8806f78 | 180 | const char *tgt_fc_name = NULL; |
15fe47e0 PP |
181 | struct field_path_elem *field_path_elem; |
182 | ||
183 | /* Get target field class's name */ | |
184 | switch (bt_field_path_get_root_scope(tgt_ir_field_path)) { | |
185 | case BT_SCOPE_PACKET_CONTEXT: | |
186 | BT_ASSERT(ctx->cur_sc); | |
187 | tgt_fc = ctx->cur_sc->packet_context_fc; | |
188 | break; | |
189 | case BT_SCOPE_EVENT_COMMON_CONTEXT: | |
190 | BT_ASSERT(ctx->cur_sc); | |
191 | tgt_fc = ctx->cur_sc->event_common_context_fc; | |
192 | break; | |
193 | case BT_SCOPE_EVENT_SPECIFIC_CONTEXT: | |
194 | BT_ASSERT(ctx->cur_ec); | |
195 | tgt_fc = ctx->cur_ec->spec_context_fc; | |
196 | break; | |
197 | case BT_SCOPE_EVENT_PAYLOAD: | |
198 | BT_ASSERT(ctx->cur_ec); | |
199 | tgt_fc = ctx->cur_ec->payload_fc; | |
200 | break; | |
201 | default: | |
202 | abort(); | |
203 | } | |
204 | ||
205 | i = 0; | |
206 | ||
66ddcddf PP |
207 | while (i < bt_field_path_get_item_count(tgt_ir_field_path)) { |
208 | const bt_field_path_item *fp_item = | |
209 | bt_field_path_borrow_item_by_index_const( | |
210 | tgt_ir_field_path, i); | |
15fe47e0 PP |
211 | struct fs_sink_ctf_named_field_class *named_fc = NULL; |
212 | ||
213 | BT_ASSERT(tgt_fc); | |
66ddcddf | 214 | BT_ASSERT(fp_item); |
15fe47e0 | 215 | |
00f1e7d3 | 216 | switch (tgt_fc->type) { |
15fe47e0 | 217 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: |
66ddcddf PP |
218 | BT_ASSERT(bt_field_path_item_get_type(fp_item) == |
219 | BT_FIELD_PATH_ITEM_TYPE_INDEX); | |
15fe47e0 | 220 | named_fc = fs_sink_ctf_field_class_struct_borrow_member_by_index( |
66ddcddf PP |
221 | (void *) tgt_fc, |
222 | bt_field_path_item_index_get_index(fp_item)); | |
15fe47e0 PP |
223 | break; |
224 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
66ddcddf PP |
225 | BT_ASSERT(bt_field_path_item_get_type(fp_item) == |
226 | BT_FIELD_PATH_ITEM_TYPE_INDEX); | |
15fe47e0 | 227 | named_fc = fs_sink_ctf_field_class_variant_borrow_option_by_index( |
66ddcddf PP |
228 | (void *) tgt_fc, |
229 | bt_field_path_item_index_get_index(fp_item)); | |
15fe47e0 PP |
230 | break; |
231 | case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY: | |
232 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
233 | { | |
234 | struct fs_sink_ctf_field_class_array_base *array_base_fc = | |
235 | (void *) tgt_fc; | |
236 | ||
66ddcddf PP |
237 | BT_ASSERT(bt_field_path_item_get_type(fp_item) == |
238 | BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT); | |
15fe47e0 PP |
239 | tgt_fc = array_base_fc->elem_fc; |
240 | break; | |
241 | } | |
242 | default: | |
243 | abort(); | |
244 | } | |
245 | ||
246 | if (named_fc) { | |
247 | tgt_fc = named_fc->fc; | |
248 | tgt_fc_name = named_fc->name->str; | |
249 | i++; | |
250 | } | |
251 | } | |
252 | ||
253 | BT_ASSERT(tgt_fc); | |
00f1e7d3 | 254 | BT_ASSERT(tgt_fc->type == FS_SINK_CTF_FIELD_CLASS_TYPE_INT); |
15fe47e0 PP |
255 | BT_ASSERT(tgt_fc_name); |
256 | ||
257 | /* Find target field class having this name in current context */ | |
258 | for (si = ctx->cur_path->len - 1; si >= 0; si--) { | |
259 | struct fs_sink_ctf_field_class *fc; | |
260 | struct fs_sink_ctf_field_class_struct *struct_fc; | |
261 | struct fs_sink_ctf_field_class_variant *var_fc; | |
262 | struct fs_sink_ctf_named_field_class *named_fc; | |
263 | uint64_t len; | |
264 | ||
265 | field_path_elem = cur_path_stack_at(ctx, (uint64_t) si); | |
266 | fc = field_path_elem->parent_fc; | |
267 | if (!fc) { | |
268 | /* Reached stack's bottom */ | |
269 | ret = -1; | |
270 | goto end; | |
271 | } | |
272 | ||
273 | switch (fc->type) { | |
274 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: | |
275 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
276 | break; | |
277 | case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY: | |
278 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
279 | continue; | |
280 | default: | |
281 | /* Not supported by TSDL 1.8 */ | |
282 | ret = -1; | |
283 | goto end; | |
284 | } | |
285 | ||
286 | if (fc->type == FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT) { | |
287 | struct_fc = (void *) fc; | |
288 | len = struct_fc->members->len; | |
289 | } else { | |
290 | var_fc = (void *) fc; | |
291 | len = var_fc->options->len; | |
292 | } | |
293 | ||
294 | for (i = 0; i < len; i++) { | |
295 | if (fc->type == FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT) { | |
296 | named_fc = fs_sink_ctf_field_class_struct_borrow_member_by_index( | |
297 | struct_fc, i); | |
298 | } else { | |
299 | named_fc = fs_sink_ctf_field_class_variant_borrow_option_by_index( | |
300 | var_fc, i); | |
301 | } | |
302 | ||
303 | if (strcmp(named_fc->name->str, tgt_fc_name) == 0) { | |
304 | if (named_fc->fc == tgt_fc) { | |
305 | g_string_assign(tgt_field_ref, | |
306 | tgt_fc_name); | |
307 | } else { | |
308 | /* | |
309 | * Using only the target field | |
310 | * class's name, we're not | |
311 | * reaching the target field | |
312 | * class. This is not supported | |
313 | * by TSDL 1.8. | |
314 | */ | |
315 | ret = -1; | |
316 | } | |
317 | ||
318 | goto end; | |
319 | } | |
320 | } | |
321 | } | |
322 | ||
323 | end: | |
324 | return ret; | |
325 | } | |
326 | ||
327 | /* | |
328 | * Creates an absolute field ref from IR field path `tgt_ir_field_path`. | |
329 | * | |
330 | * Returns a negative value if this resolving operation failed. | |
331 | */ | |
332 | static | |
333 | int create_absolute_field_ref(struct ctx *ctx, | |
334 | const bt_field_path *tgt_ir_field_path, GString *tgt_field_ref) | |
335 | { | |
336 | int ret = 0; | |
337 | struct fs_sink_ctf_field_class *fc = NULL; | |
338 | uint64_t i; | |
339 | ||
340 | switch (bt_field_path_get_root_scope(tgt_ir_field_path)) { | |
341 | case BT_SCOPE_PACKET_CONTEXT: | |
342 | BT_ASSERT(ctx->cur_sc); | |
343 | fc = ctx->cur_sc->packet_context_fc; | |
344 | g_string_assign(tgt_field_ref, "stream.packet.context"); | |
345 | break; | |
346 | case BT_SCOPE_EVENT_COMMON_CONTEXT: | |
347 | BT_ASSERT(ctx->cur_sc); | |
348 | fc = ctx->cur_sc->event_common_context_fc; | |
349 | g_string_assign(tgt_field_ref, "stream.event.context"); | |
350 | break; | |
351 | case BT_SCOPE_EVENT_SPECIFIC_CONTEXT: | |
352 | BT_ASSERT(ctx->cur_ec); | |
353 | fc = ctx->cur_ec->spec_context_fc; | |
354 | g_string_assign(tgt_field_ref, "event.context"); | |
355 | break; | |
356 | case BT_SCOPE_EVENT_PAYLOAD: | |
357 | BT_ASSERT(ctx->cur_ec); | |
358 | fc = ctx->cur_ec->payload_fc; | |
359 | g_string_assign(tgt_field_ref, "event.fields"); | |
360 | break; | |
361 | default: | |
362 | abort(); | |
363 | } | |
364 | ||
365 | BT_ASSERT(fc); | |
366 | ||
66ddcddf PP |
367 | for (i = 0; i < bt_field_path_get_item_count(tgt_ir_field_path); i++) { |
368 | const bt_field_path_item *fp_item = | |
369 | bt_field_path_borrow_item_by_index_const( | |
370 | tgt_ir_field_path, i); | |
15fe47e0 PP |
371 | struct fs_sink_ctf_named_field_class *named_fc = NULL; |
372 | ||
66ddcddf PP |
373 | if (bt_field_path_item_get_type(fp_item) != |
374 | BT_FIELD_PATH_ITEM_TYPE_INDEX) { | |
375 | /* Not supported by TSDL 1.8 */ | |
376 | ret = -1; | |
377 | goto end; | |
378 | } | |
379 | ||
15fe47e0 PP |
380 | switch (fc->type) { |
381 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: | |
66ddcddf PP |
382 | BT_ASSERT(bt_field_path_item_get_type(fp_item) == |
383 | BT_FIELD_PATH_ITEM_TYPE_INDEX); | |
15fe47e0 | 384 | named_fc = fs_sink_ctf_field_class_struct_borrow_member_by_index( |
66ddcddf PP |
385 | (void *) fc, |
386 | bt_field_path_item_index_get_index(fp_item)); | |
15fe47e0 PP |
387 | break; |
388 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
66ddcddf PP |
389 | BT_ASSERT(bt_field_path_item_get_type(fp_item) == |
390 | BT_FIELD_PATH_ITEM_TYPE_INDEX); | |
15fe47e0 | 391 | named_fc = fs_sink_ctf_field_class_variant_borrow_option_by_index( |
66ddcddf PP |
392 | (void *) fc, |
393 | bt_field_path_item_index_get_index(fp_item)); | |
15fe47e0 | 394 | break; |
15fe47e0 PP |
395 | default: |
396 | abort(); | |
397 | } | |
398 | ||
399 | BT_ASSERT(named_fc); | |
400 | g_string_append_c(tgt_field_ref, '.'); | |
401 | g_string_append(tgt_field_ref, named_fc->name->str); | |
402 | fc = named_fc->fc; | |
403 | } | |
404 | ||
405 | end: | |
406 | return ret; | |
407 | } | |
408 | ||
409 | /* | |
410 | * Resolves a target field class located at `tgt_ir_field_path`, writing | |
411 | * the resolved field ref to `tgt_field_ref` and setting | |
412 | * `*create_before` according to whether or not the target field must be | |
413 | * created immediately before (in which case `tgt_field_ref` is | |
414 | * irrelevant). | |
415 | */ | |
416 | static | |
417 | void resolve_field_class(struct ctx *ctx, | |
418 | const bt_field_path *tgt_ir_field_path, | |
419 | GString *tgt_field_ref, bool *create_before) | |
420 | { | |
421 | int ret; | |
422 | bt_scope tgt_scope; | |
423 | ||
424 | *create_before = false; | |
425 | ||
426 | if (!tgt_ir_field_path) { | |
427 | *create_before = true; | |
428 | goto end; | |
429 | } | |
430 | ||
431 | tgt_scope = bt_field_path_get_root_scope(tgt_ir_field_path); | |
432 | ||
433 | if (tgt_scope == ctx->cur_scope) { | |
434 | /* | |
435 | * Try, in this order: | |
436 | * | |
437 | * 1. Use a relative path, using only the target field | |
438 | * class's name. This is what is the most commonly | |
439 | * supported by popular CTF reading tools. | |
440 | * | |
441 | * 2. Use an absolute path. This could fail if there's | |
442 | * an array field class from the current root's field | |
443 | * class to the target field class. | |
444 | * | |
445 | * 3. Create the target field class before the | |
446 | * requesting field class (fallback). | |
447 | */ | |
448 | ret = create_relative_field_ref(ctx, tgt_ir_field_path, | |
449 | tgt_field_ref); | |
450 | if (ret) { | |
451 | ret = create_absolute_field_ref(ctx, tgt_ir_field_path, | |
452 | tgt_field_ref); | |
453 | if (ret) { | |
454 | *create_before = true; | |
455 | ret = 0; | |
456 | goto end; | |
457 | } | |
458 | } | |
459 | } else { | |
460 | ret = create_absolute_field_ref(ctx, tgt_ir_field_path, | |
461 | tgt_field_ref); | |
462 | ||
463 | /* It must always work in previous scopes */ | |
464 | BT_ASSERT(ret == 0); | |
465 | } | |
466 | ||
467 | end: | |
468 | return; | |
469 | } | |
470 | ||
471 | static | |
472 | int translate_field_class(struct ctx *ctx); | |
473 | ||
474 | static inline | |
475 | void append_to_parent_field_class(struct ctx *ctx, | |
476 | struct fs_sink_ctf_field_class *fc) | |
477 | { | |
478 | struct fs_sink_ctf_field_class *parent_fc = | |
479 | cur_path_stack_top(ctx)->parent_fc; | |
480 | ||
481 | switch (parent_fc->type) { | |
482 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: | |
483 | fs_sink_ctf_field_class_struct_append_member((void *) parent_fc, | |
484 | cur_path_stack_top(ctx)->name->str, fc); | |
485 | break; | |
486 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
487 | fs_sink_ctf_field_class_variant_append_option((void *) parent_fc, | |
488 | cur_path_stack_top(ctx)->name->str, fc); | |
489 | break; | |
490 | case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY: | |
491 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
492 | { | |
493 | struct fs_sink_ctf_field_class_array_base *array_base_fc = | |
494 | (void *) parent_fc; | |
495 | ||
496 | BT_ASSERT(!array_base_fc->elem_fc); | |
497 | array_base_fc->elem_fc = fc; | |
498 | array_base_fc->base.alignment = fc->alignment; | |
499 | break; | |
500 | } | |
501 | default: | |
502 | abort(); | |
503 | } | |
504 | } | |
505 | ||
506 | static inline | |
507 | void update_parent_field_class_alignment(struct ctx *ctx, | |
508 | unsigned int alignment) | |
509 | { | |
510 | struct fs_sink_ctf_field_class *parent_fc = | |
511 | cur_path_stack_top(ctx)->parent_fc; | |
512 | ||
513 | switch (parent_fc->type) { | |
514 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: | |
515 | fs_sink_ctf_field_class_struct_align_at_least( | |
516 | (void *) parent_fc, alignment); | |
517 | break; | |
518 | case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY: | |
519 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
520 | { | |
521 | struct fs_sink_ctf_field_class_array_base *array_base_fc = | |
522 | (void *) parent_fc; | |
523 | ||
524 | array_base_fc->base.alignment = alignment; | |
525 | break; | |
526 | } | |
527 | default: | |
528 | break; | |
529 | } | |
530 | } | |
531 | ||
532 | static inline | |
533 | int translate_structure_field_class_members(struct ctx *ctx, | |
534 | struct fs_sink_ctf_field_class_struct *struct_fc, | |
535 | const bt_field_class *ir_fc) | |
536 | { | |
537 | int ret = 0; | |
538 | uint64_t i; | |
539 | ||
540 | for (i = 0; i < bt_field_class_structure_get_member_count(ir_fc); i++) { | |
541 | const bt_field_class_structure_member *member; | |
542 | const char *name; | |
543 | const bt_field_class *memb_ir_fc; | |
544 | ||
545 | member = | |
546 | bt_field_class_structure_borrow_member_by_index_const( | |
547 | ir_fc, i); | |
548 | name = bt_field_class_structure_member_get_name(member); | |
549 | memb_ir_fc = bt_field_class_structure_member_borrow_field_class_const( | |
550 | member); | |
551 | ret = cur_path_stack_push(ctx, i, name, memb_ir_fc, | |
552 | (void *) struct_fc); | |
553 | if (ret) { | |
554 | BT_LOGE("Cannot translate structure field class member: " | |
555 | "name=\"%s\"", name); | |
556 | goto end; | |
557 | } | |
558 | ||
559 | ret = translate_field_class(ctx); | |
560 | if (ret) { | |
561 | BT_LOGE("Cannot translate structure field class member: " | |
562 | "name=\"%s\"", name); | |
563 | goto end; | |
564 | } | |
565 | ||
566 | cur_path_stack_pop(ctx); | |
567 | } | |
568 | ||
569 | end: | |
570 | return ret; | |
571 | } | |
572 | ||
573 | static inline | |
574 | int translate_structure_field_class(struct ctx *ctx) | |
575 | { | |
576 | int ret; | |
577 | struct fs_sink_ctf_field_class_struct *fc = | |
578 | fs_sink_ctf_field_class_struct_create_empty( | |
579 | cur_path_stack_top(ctx)->ir_fc, | |
580 | cur_path_stack_top(ctx)->index_in_parent); | |
581 | ||
582 | BT_ASSERT(fc); | |
583 | append_to_parent_field_class(ctx, (void *) fc); | |
584 | ret = translate_structure_field_class_members(ctx, fc, fc->base.ir_fc); | |
585 | if (ret) { | |
586 | goto end; | |
587 | } | |
588 | ||
589 | update_parent_field_class_alignment(ctx, fc->base.alignment); | |
590 | ||
591 | end: | |
592 | return ret; | |
593 | } | |
594 | ||
595 | static inline | |
596 | int translate_variant_field_class(struct ctx *ctx) | |
597 | { | |
598 | int ret = 0; | |
599 | uint64_t i; | |
600 | struct fs_sink_ctf_field_class_variant *fc = | |
601 | fs_sink_ctf_field_class_variant_create_empty( | |
602 | cur_path_stack_top(ctx)->ir_fc, | |
603 | cur_path_stack_top(ctx)->index_in_parent); | |
604 | ||
605 | BT_ASSERT(fc); | |
606 | ||
607 | /* Resolve tag field class before appending to parent */ | |
608 | resolve_field_class(ctx, | |
609 | bt_field_class_variant_borrow_selector_field_path_const( | |
610 | fc->base.ir_fc), fc->tag_ref, &fc->tag_is_before); | |
611 | ||
612 | append_to_parent_field_class(ctx, (void *) fc); | |
613 | ||
614 | for (i = 0; i < bt_field_class_variant_get_option_count(fc->base.ir_fc); | |
615 | i++) { | |
616 | const bt_field_class_variant_option *opt; | |
617 | const char *name; | |
618 | const bt_field_class *opt_ir_fc; | |
619 | ||
620 | opt = bt_field_class_variant_borrow_option_by_index_const( | |
621 | fc->base.ir_fc, i); | |
622 | name = bt_field_class_variant_option_get_name(opt); | |
623 | opt_ir_fc = bt_field_class_variant_option_borrow_field_class_const( | |
624 | opt); | |
625 | ret = cur_path_stack_push(ctx, i, name, opt_ir_fc, (void *) fc); | |
626 | if (ret) { | |
627 | BT_LOGE("Cannot translate variant field class option: " | |
628 | "name=\"%s\"", name); | |
629 | goto end; | |
630 | } | |
631 | ||
632 | ret = translate_field_class(ctx); | |
633 | if (ret) { | |
634 | BT_LOGE("Cannot translate variant field class option: " | |
635 | "name=\"%s\"", name); | |
636 | goto end; | |
637 | } | |
638 | ||
639 | cur_path_stack_pop(ctx); | |
640 | } | |
641 | ||
642 | end: | |
643 | return ret; | |
644 | } | |
645 | ||
646 | static inline | |
647 | int translate_static_array_field_class(struct ctx *ctx) | |
648 | { | |
649 | struct fs_sink_ctf_field_class_array *fc = | |
650 | fs_sink_ctf_field_class_array_create_empty( | |
651 | cur_path_stack_top(ctx)->ir_fc, | |
652 | cur_path_stack_top(ctx)->index_in_parent); | |
653 | const bt_field_class *elem_ir_fc = | |
654 | bt_field_class_array_borrow_element_field_class_const( | |
655 | fc->base.base.ir_fc); | |
656 | int ret; | |
657 | ||
658 | BT_ASSERT(fc); | |
659 | append_to_parent_field_class(ctx, (void *) fc); | |
660 | ret = cur_path_stack_push(ctx, UINT64_C(-1), NULL, elem_ir_fc, | |
661 | (void *) fc); | |
662 | if (ret) { | |
663 | BT_LOGE_STR("Cannot translate static array field class element."); | |
664 | goto end; | |
665 | } | |
666 | ||
667 | ret = translate_field_class(ctx); | |
668 | if (ret) { | |
669 | BT_LOGE_STR("Cannot translate static array field class element."); | |
670 | goto end; | |
671 | } | |
672 | ||
673 | cur_path_stack_pop(ctx); | |
674 | update_parent_field_class_alignment(ctx, fc->base.base.alignment); | |
675 | ||
676 | end: | |
677 | return ret; | |
678 | } | |
679 | ||
680 | static inline | |
681 | int translate_dynamic_array_field_class(struct ctx *ctx) | |
682 | { | |
683 | struct fs_sink_ctf_field_class_sequence *fc = | |
684 | fs_sink_ctf_field_class_sequence_create_empty( | |
685 | cur_path_stack_top(ctx)->ir_fc, | |
686 | cur_path_stack_top(ctx)->index_in_parent); | |
687 | const bt_field_class *elem_ir_fc = | |
688 | bt_field_class_array_borrow_element_field_class_const( | |
689 | fc->base.base.ir_fc); | |
690 | int ret; | |
691 | ||
692 | BT_ASSERT(fc); | |
693 | ||
694 | /* Resolve length field class before appending to parent */ | |
695 | resolve_field_class(ctx, | |
696 | bt_field_class_dynamic_array_borrow_length_field_path_const( | |
697 | fc->base.base.ir_fc), | |
698 | fc->length_ref, &fc->length_is_before); | |
699 | ||
700 | append_to_parent_field_class(ctx, (void *) fc); | |
701 | ret = cur_path_stack_push(ctx, UINT64_C(-1), NULL, elem_ir_fc, | |
702 | (void *) fc); | |
703 | if (ret) { | |
704 | BT_LOGE_STR("Cannot translate dynamic array field class element."); | |
705 | goto end; | |
706 | } | |
707 | ||
708 | ret = translate_field_class(ctx); | |
709 | if (ret) { | |
710 | BT_LOGE_STR("Cannot translate dynamic array field class element."); | |
711 | goto end; | |
712 | } | |
713 | ||
714 | cur_path_stack_pop(ctx); | |
715 | update_parent_field_class_alignment(ctx, fc->base.base.alignment); | |
716 | ||
717 | end: | |
718 | return ret; | |
719 | } | |
720 | ||
721 | static inline | |
722 | int translate_integer_field_class(struct ctx *ctx) | |
723 | { | |
724 | struct fs_sink_ctf_field_class_int *fc = | |
725 | fs_sink_ctf_field_class_int_create( | |
726 | cur_path_stack_top(ctx)->ir_fc, | |
727 | cur_path_stack_top(ctx)->index_in_parent); | |
728 | ||
729 | BT_ASSERT(fc); | |
730 | append_to_parent_field_class(ctx, (void *) fc); | |
731 | return 0; | |
732 | } | |
733 | ||
734 | static inline | |
735 | int translate_real_field_class(struct ctx *ctx) | |
736 | { | |
737 | struct fs_sink_ctf_field_class_float *fc = | |
738 | fs_sink_ctf_field_class_float_create( | |
739 | cur_path_stack_top(ctx)->ir_fc, | |
740 | cur_path_stack_top(ctx)->index_in_parent); | |
741 | ||
742 | BT_ASSERT(fc); | |
743 | append_to_parent_field_class(ctx, (void *) fc); | |
744 | return 0; | |
745 | } | |
746 | ||
747 | static inline | |
748 | int translate_string_field_class(struct ctx *ctx) | |
749 | { | |
750 | struct fs_sink_ctf_field_class_string *fc = | |
751 | fs_sink_ctf_field_class_string_create( | |
752 | cur_path_stack_top(ctx)->ir_fc, | |
753 | cur_path_stack_top(ctx)->index_in_parent); | |
754 | ||
755 | BT_ASSERT(fc); | |
756 | append_to_parent_field_class(ctx, (void *) fc); | |
757 | return 0; | |
758 | } | |
759 | ||
760 | /* | |
761 | * Translates a field class, recursively. | |
762 | * | |
763 | * The field class's IR field class, parent field class, and index | |
764 | * within its parent are in the context's current path's top element | |
765 | * (cur_path_stack_top()). | |
766 | */ | |
767 | static | |
768 | int translate_field_class(struct ctx *ctx) | |
769 | { | |
770 | int ret; | |
771 | ||
772 | switch (bt_field_class_get_type(cur_path_stack_top(ctx)->ir_fc)) { | |
773 | case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER: | |
774 | case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER: | |
775 | case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: | |
776 | case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION: | |
777 | ret = translate_integer_field_class(ctx); | |
778 | break; | |
779 | case BT_FIELD_CLASS_TYPE_REAL: | |
780 | ret = translate_real_field_class(ctx); | |
781 | break; | |
782 | case BT_FIELD_CLASS_TYPE_STRING: | |
783 | ret = translate_string_field_class(ctx); | |
784 | break; | |
785 | case BT_FIELD_CLASS_TYPE_STRUCTURE: | |
786 | ret = translate_structure_field_class(ctx); | |
787 | break; | |
788 | case BT_FIELD_CLASS_TYPE_STATIC_ARRAY: | |
789 | ret = translate_static_array_field_class(ctx); | |
790 | break; | |
791 | case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY: | |
792 | ret = translate_dynamic_array_field_class(ctx); | |
793 | break; | |
794 | case BT_FIELD_CLASS_TYPE_VARIANT: | |
795 | ret = translate_variant_field_class(ctx); | |
796 | break; | |
797 | default: | |
798 | abort(); | |
799 | } | |
800 | ||
801 | return ret; | |
802 | } | |
803 | ||
804 | static | |
805 | int set_field_ref(struct fs_sink_ctf_field_class *fc, const char *fc_name, | |
806 | struct fs_sink_ctf_field_class *parent_fc) | |
807 | { | |
808 | int ret = 0; | |
809 | GString *field_ref = NULL; | |
810 | bool is_before; | |
811 | const char *tgt_type; | |
812 | struct fs_sink_ctf_field_class_struct *parent_struct_fc = | |
813 | (void *) parent_fc; | |
814 | uint64_t i; | |
815 | unsigned int suffix = 0; | |
816 | ||
817 | if (!fc_name || !parent_fc || | |
818 | parent_fc->type != FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT) { | |
819 | /* Not supported */ | |
820 | ret = -1; | |
821 | goto end; | |
822 | } | |
823 | ||
824 | switch (fc->type) { | |
825 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
826 | { | |
827 | struct fs_sink_ctf_field_class_sequence *seq_fc = (void *) fc; | |
828 | ||
829 | field_ref = seq_fc->length_ref; | |
830 | is_before = seq_fc->length_is_before; | |
831 | tgt_type = "len"; | |
832 | break; | |
833 | } | |
834 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
835 | { | |
836 | struct fs_sink_ctf_field_class_variant *var_fc = (void *) fc; | |
837 | ||
838 | field_ref = var_fc->tag_ref; | |
839 | is_before = var_fc->tag_is_before; | |
840 | tgt_type = "tag"; | |
841 | break; | |
842 | } | |
843 | default: | |
844 | abort(); | |
845 | } | |
846 | ||
847 | BT_ASSERT(field_ref); | |
848 | ||
849 | if (!is_before) { | |
850 | goto end; | |
851 | } | |
852 | ||
853 | /* Initial field ref */ | |
854 | g_string_printf(field_ref, "__%s_%s", fc_name, tgt_type); | |
855 | ||
856 | /* | |
857 | * Make sure field ref does not clash with an existing field | |
858 | * class name within the same parent structure field class. | |
859 | */ | |
860 | while (true) { | |
861 | bool name_ok = true; | |
862 | ||
863 | for (i = 0; i < parent_struct_fc->members->len; i++) { | |
864 | struct fs_sink_ctf_named_field_class *named_fc = | |
865 | fs_sink_ctf_field_class_struct_borrow_member_by_index( | |
866 | parent_struct_fc, i); | |
867 | ||
868 | if (strcmp(field_ref->str, named_fc->name->str) == 0) { | |
869 | /* Name clash */ | |
870 | name_ok = false; | |
871 | break; | |
872 | } | |
873 | } | |
874 | ||
875 | if (name_ok) { | |
876 | /* No clash: we're done */ | |
877 | break; | |
878 | } | |
879 | ||
880 | /* Append suffix and try again */ | |
881 | g_string_printf(field_ref, "__%s_%s_%u", fc_name, tgt_type, | |
882 | suffix); | |
883 | suffix++; | |
884 | } | |
885 | ||
886 | end: | |
887 | return ret; | |
888 | } | |
889 | ||
890 | /* | |
891 | * This function recursively sets field refs of sequence and variant | |
892 | * field classes when they are immediately before, avoiding name clashes | |
893 | * with existing field class names. | |
894 | * | |
895 | * It can fail at this point if, for example, a sequence field class of | |
896 | * which to set the length's field ref has something else than a | |
897 | * structure field class as its parent: in this case, there's no | |
898 | * location to place the length field class immediately before the | |
899 | * sequence field class. | |
900 | */ | |
901 | static | |
486a5fc8 PP |
902 | int set_field_refs(struct fs_sink_ctf_field_class * const fc, |
903 | const char *fc_name, struct fs_sink_ctf_field_class *parent_fc) | |
15fe47e0 PP |
904 | { |
905 | int ret = 0; | |
817326a9 | 906 | enum fs_sink_ctf_field_class_type fc_type; |
15fe47e0 PP |
907 | BT_ASSERT(fc); |
908 | ||
817326a9 FD |
909 | fc_type = fc->type; |
910 | ||
911 | switch (fc_type) { | |
15fe47e0 PP |
912 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: |
913 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
914 | { | |
915 | uint64_t i; | |
916 | uint64_t len; | |
917 | struct fs_sink_ctf_field_class_struct *struct_fc; | |
11476be3 | 918 | struct fs_sink_ctf_field_class_variant *var_fc = NULL; |
15fe47e0 PP |
919 | struct fs_sink_ctf_named_field_class *named_fc; |
920 | ||
817326a9 | 921 | if (fc_type == FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT) { |
15fe47e0 PP |
922 | struct_fc = (void *) fc; |
923 | len = struct_fc->members->len; | |
924 | } else { | |
925 | var_fc = (void *) fc; | |
926 | len = var_fc->options->len; | |
927 | ret = set_field_ref(fc, fc_name, parent_fc); | |
928 | if (ret) { | |
929 | goto end; | |
930 | } | |
931 | } | |
932 | ||
933 | for (i = 0; i < len; i++) { | |
817326a9 | 934 | if (fc_type == FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT) { |
15fe47e0 PP |
935 | named_fc = fs_sink_ctf_field_class_struct_borrow_member_by_index( |
936 | struct_fc, i); | |
937 | } else { | |
938 | named_fc = fs_sink_ctf_field_class_variant_borrow_option_by_index( | |
939 | var_fc, i); | |
940 | } | |
941 | ||
942 | ret = set_field_refs(named_fc->fc, named_fc->name->str, | |
943 | fc); | |
944 | if (ret) { | |
945 | goto end; | |
946 | } | |
947 | } | |
948 | ||
949 | break; | |
950 | } | |
951 | case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY: | |
952 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
953 | { | |
954 | struct fs_sink_ctf_field_class_array_base *array_base_fc = | |
955 | (void *) fc; | |
956 | ||
817326a9 | 957 | if (fc_type == FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE) { |
15fe47e0 PP |
958 | ret = set_field_ref(fc, fc_name, parent_fc); |
959 | if (ret) { | |
960 | goto end; | |
961 | } | |
962 | } | |
963 | ||
964 | ret = set_field_refs(array_base_fc->elem_fc, NULL, fc); | |
965 | if (ret) { | |
966 | goto end; | |
967 | } | |
968 | ||
969 | break; | |
970 | } | |
971 | default: | |
972 | break; | |
973 | } | |
974 | ||
975 | end: | |
976 | return ret; | |
977 | } | |
978 | ||
979 | /* | |
980 | * This function translates a root scope trace IR field class to | |
981 | * a CTF IR field class. | |
982 | * | |
983 | * The resulting CTF IR field class is written to `*fc` so that it | |
984 | * exists as the parent object's (stream class or event class) true root | |
985 | * field class during the recursive translation for resolving purposes. | |
986 | * This is also why this function creates the empty structure field | |
987 | * class and then calls translate_structure_field_class_members() to | |
988 | * fill it. | |
989 | */ | |
990 | static | |
991 | int translate_scope_field_class(struct ctx *ctx, bt_scope scope, | |
992 | struct fs_sink_ctf_field_class **fc, | |
993 | const bt_field_class *ir_fc) | |
994 | { | |
995 | int ret = 0; | |
996 | ||
997 | if (!ir_fc) { | |
998 | goto end; | |
999 | } | |
1000 | ||
1001 | BT_ASSERT(bt_field_class_get_type(ir_fc) == | |
1002 | BT_FIELD_CLASS_TYPE_STRUCTURE); | |
1003 | BT_ASSERT(fc); | |
1004 | *fc = (void *) fs_sink_ctf_field_class_struct_create_empty( | |
1005 | ir_fc, UINT64_C(-1)); | |
1006 | BT_ASSERT(*fc); | |
1007 | ctx->cur_scope = scope; | |
1008 | BT_ASSERT(ctx->cur_path->len == 0); | |
1009 | ret = cur_path_stack_push(ctx, UINT64_C(-1), NULL, ir_fc, NULL); | |
1010 | if (ret) { | |
1011 | BT_LOGE("Cannot translate scope structure field class: " | |
1012 | "scope=%d", scope); | |
1013 | goto end; | |
1014 | } | |
1015 | ||
1016 | ret = translate_structure_field_class_members(ctx, (void *) *fc, ir_fc); | |
1017 | if (ret) { | |
1018 | BT_LOGE("Cannot translate scope structure field class: " | |
1019 | "scope=%d", scope); | |
1020 | goto end; | |
1021 | } | |
1022 | ||
1023 | cur_path_stack_pop(ctx); | |
1024 | ||
1025 | /* Set field refs for preceding targets */ | |
1026 | ret = set_field_refs(*fc, NULL, NULL); | |
1027 | ||
1028 | end: | |
1029 | return ret; | |
1030 | } | |
1031 | ||
1032 | static inline | |
ffa3b2b3 | 1033 | void ctx_init(struct ctx *ctx, bt_logging_level log_level) |
15fe47e0 PP |
1034 | { |
1035 | memset(ctx, 0, sizeof(struct ctx)); | |
1036 | ctx->cur_path = g_array_new(FALSE, TRUE, | |
1037 | sizeof(struct field_path_elem)); | |
1038 | BT_ASSERT(ctx->cur_path); | |
ffa3b2b3 | 1039 | ctx->log_level = log_level; |
15fe47e0 PP |
1040 | } |
1041 | ||
1042 | static inline | |
1043 | void ctx_fini(struct ctx *ctx) | |
1044 | { | |
1045 | if (ctx->cur_path) { | |
1046 | g_array_free(ctx->cur_path, TRUE); | |
1047 | ctx->cur_path = NULL; | |
1048 | } | |
1049 | } | |
1050 | ||
1051 | static | |
1052 | int translate_event_class(struct fs_sink_ctf_stream_class *sc, | |
1053 | const bt_event_class *ir_ec, | |
ffa3b2b3 PP |
1054 | struct fs_sink_ctf_event_class **out_ec, |
1055 | bt_logging_level log_level) | |
15fe47e0 PP |
1056 | { |
1057 | int ret = 0; | |
1058 | struct ctx ctx; | |
1059 | struct fs_sink_ctf_event_class *ec; | |
1060 | ||
1061 | BT_ASSERT(sc); | |
1062 | BT_ASSERT(ir_ec); | |
1063 | ||
ffa3b2b3 | 1064 | ctx_init(&ctx, log_level); |
15fe47e0 PP |
1065 | ec = fs_sink_ctf_event_class_create(sc, ir_ec); |
1066 | BT_ASSERT(ec); | |
1067 | ctx.cur_sc = sc; | |
1068 | ctx.cur_ec = ec; | |
1069 | ret = translate_scope_field_class(&ctx, BT_SCOPE_EVENT_SPECIFIC_CONTEXT, | |
1070 | &ec->spec_context_fc, | |
1071 | bt_event_class_borrow_specific_context_field_class_const( | |
1072 | ir_ec)); | |
1073 | if (ret) { | |
1074 | goto end; | |
1075 | } | |
1076 | ||
1077 | ret = translate_scope_field_class(&ctx, BT_SCOPE_EVENT_PAYLOAD, | |
1078 | &ec->payload_fc, | |
1079 | bt_event_class_borrow_payload_field_class_const(ir_ec)); | |
1080 | if (ret) { | |
1081 | goto end; | |
1082 | } | |
1083 | ||
1084 | end: | |
1085 | ctx_fini(&ctx); | |
1086 | *out_ec = ec; | |
1087 | return ret; | |
1088 | } | |
1089 | ||
1090 | BT_HIDDEN | |
1091 | int try_translate_event_class_trace_ir_to_ctf_ir( | |
1092 | struct fs_sink_ctf_stream_class *sc, | |
1093 | const bt_event_class *ir_ec, | |
ffa3b2b3 PP |
1094 | struct fs_sink_ctf_event_class **out_ec, |
1095 | bt_logging_level log_level) | |
15fe47e0 PP |
1096 | { |
1097 | int ret = 0; | |
1098 | ||
1099 | BT_ASSERT(sc); | |
1100 | BT_ASSERT(ir_ec); | |
1101 | ||
1102 | /* Check in hash table first */ | |
1103 | *out_ec = g_hash_table_lookup(sc->event_classes_from_ir, ir_ec); | |
91d81473 | 1104 | if (G_LIKELY(*out_ec)) { |
15fe47e0 PP |
1105 | goto end; |
1106 | } | |
1107 | ||
ffa3b2b3 | 1108 | ret = translate_event_class(sc, ir_ec, out_ec, log_level); |
15fe47e0 PP |
1109 | |
1110 | end: | |
1111 | return ret; | |
1112 | } | |
1113 | ||
1114 | bool default_clock_class_name_exists(struct fs_sink_ctf_trace_class *tc, | |
1115 | const char *name) | |
1116 | { | |
1117 | bool exists = false; | |
1118 | uint64_t i; | |
1119 | ||
1120 | for (i = 0; i < tc->stream_classes->len; i++) { | |
1121 | struct fs_sink_ctf_stream_class *sc = | |
1122 | tc->stream_classes->pdata[i]; | |
1123 | ||
1124 | if (sc->default_clock_class_name->len == 0) { | |
1125 | /* No default clock class */ | |
1126 | continue; | |
1127 | } | |
1128 | ||
1129 | if (strcmp(sc->default_clock_class_name->str, name) == 0) { | |
1130 | exists = true; | |
1131 | goto end; | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | end: | |
1136 | return exists; | |
1137 | } | |
1138 | ||
1139 | static | |
1140 | void make_unique_default_clock_class_name(struct fs_sink_ctf_stream_class *sc) | |
1141 | { | |
1142 | unsigned int suffix = 0; | |
1143 | char buf[16]; | |
1144 | ||
1145 | g_string_assign(sc->default_clock_class_name, ""); | |
1146 | sprintf(buf, "default"); | |
1147 | ||
1148 | while (default_clock_class_name_exists(sc->tc, buf)) { | |
1149 | sprintf(buf, "default%u", suffix); | |
1150 | suffix++; | |
1151 | } | |
1152 | ||
1153 | g_string_assign(sc->default_clock_class_name, buf); | |
1154 | } | |
1155 | ||
1156 | static | |
1157 | int translate_stream_class(struct fs_sink_ctf_trace_class *tc, | |
1158 | const bt_stream_class *ir_sc, | |
ffa3b2b3 PP |
1159 | struct fs_sink_ctf_stream_class **out_sc, |
1160 | bt_logging_level log_level) | |
15fe47e0 PP |
1161 | { |
1162 | int ret = 0; | |
1163 | struct ctx ctx; | |
1164 | ||
1165 | BT_ASSERT(tc); | |
1166 | BT_ASSERT(ir_sc); | |
ffa3b2b3 | 1167 | ctx_init(&ctx, log_level); |
15fe47e0 PP |
1168 | *out_sc = fs_sink_ctf_stream_class_create(tc, ir_sc); |
1169 | BT_ASSERT(*out_sc); | |
1170 | ||
1171 | /* Set default clock class's protected name, if any */ | |
1172 | if ((*out_sc)->default_clock_class) { | |
1173 | const char *name = bt_clock_class_get_name( | |
1174 | (*out_sc)->default_clock_class); | |
1175 | ||
15fe47e0 PP |
1176 | if (name) { |
1177 | /* Try original name, protected */ | |
1178 | g_string_assign((*out_sc)->default_clock_class_name, | |
1179 | name); | |
1180 | ret = fs_sink_ctf_protect_name( | |
1181 | (*out_sc)->default_clock_class_name); | |
1182 | if (ret) { | |
1183 | /* Invalid: create a new name */ | |
1184 | make_unique_default_clock_class_name(*out_sc); | |
1185 | ret = 0; | |
1186 | } | |
1187 | } else { | |
1188 | /* No name: create a name */ | |
1189 | make_unique_default_clock_class_name(*out_sc); | |
1190 | } | |
1191 | } | |
1192 | ||
1193 | ctx.cur_sc = *out_sc; | |
1194 | ret = translate_scope_field_class(&ctx, BT_SCOPE_PACKET_CONTEXT, | |
1195 | &(*out_sc)->packet_context_fc, | |
1196 | bt_stream_class_borrow_packet_context_field_class_const(ir_sc)); | |
1197 | if (ret) { | |
1198 | goto error; | |
1199 | } | |
1200 | ||
1201 | if ((*out_sc)->packet_context_fc) { | |
1202 | /* | |
1203 | * Make sure the structure field class's alignment is | |
1204 | * enough: 8 is what we use for our own special members | |
1205 | * in the packet context. | |
1206 | */ | |
1207 | fs_sink_ctf_field_class_struct_align_at_least( | |
1208 | (void *) (*out_sc)->packet_context_fc, 8); | |
1209 | } | |
1210 | ||
1211 | ret = translate_scope_field_class(&ctx, BT_SCOPE_EVENT_COMMON_CONTEXT, | |
1212 | &(*out_sc)->event_common_context_fc, | |
1213 | bt_stream_class_borrow_event_common_context_field_class_const( | |
1214 | ir_sc)); | |
1215 | if (ret) { | |
1216 | goto error; | |
1217 | } | |
1218 | ||
1219 | goto end; | |
1220 | ||
1221 | error: | |
1222 | fs_sink_ctf_stream_class_destroy(*out_sc); | |
1223 | *out_sc = NULL; | |
1224 | ||
1225 | end: | |
1226 | ctx_fini(&ctx); | |
1227 | return ret; | |
1228 | } | |
1229 | ||
1230 | BT_HIDDEN | |
1231 | int try_translate_stream_class_trace_ir_to_ctf_ir( | |
1232 | struct fs_sink_ctf_trace_class *tc, | |
1233 | const bt_stream_class *ir_sc, | |
ffa3b2b3 PP |
1234 | struct fs_sink_ctf_stream_class **out_sc, |
1235 | bt_logging_level log_level) | |
15fe47e0 PP |
1236 | { |
1237 | int ret = 0; | |
1238 | uint64_t i; | |
1239 | ||
1240 | BT_ASSERT(tc); | |
1241 | BT_ASSERT(ir_sc); | |
1242 | ||
1243 | for (i = 0; i < tc->stream_classes->len; i++) { | |
1244 | *out_sc = tc->stream_classes->pdata[i]; | |
1245 | ||
1246 | if ((*out_sc)->ir_sc == ir_sc) { | |
1247 | goto end; | |
1248 | } | |
1249 | } | |
1250 | ||
ffa3b2b3 | 1251 | ret = translate_stream_class(tc, ir_sc, out_sc, log_level); |
15fe47e0 PP |
1252 | |
1253 | end: | |
1254 | return ret; | |
1255 | } | |
1256 | ||
1257 | BT_HIDDEN | |
1258 | struct fs_sink_ctf_trace_class *translate_trace_class_trace_ir_to_ctf_ir( | |
ffa3b2b3 | 1259 | const bt_trace_class *ir_tc, bt_logging_level log_level) |
15fe47e0 PP |
1260 | { |
1261 | uint64_t count; | |
1262 | uint64_t i; | |
1263 | struct fs_sink_ctf_trace_class *tc = NULL; | |
1264 | ||
1265 | /* Check that trace class's environment is TSDL-compatible */ | |
1266 | count = bt_trace_class_get_environment_entry_count(ir_tc); | |
1267 | for (i = 0; i < count; i++) { | |
1268 | const char *name; | |
1269 | const bt_value *val; | |
1270 | ||
1271 | bt_trace_class_borrow_environment_entry_by_index_const( | |
1272 | ir_tc, i, &name, &val); | |
1273 | ||
1274 | if (!fs_sink_ctf_ist_valid_identifier(name)) { | |
ffa3b2b3 PP |
1275 | BT_LOG_WRITE_CUR_LVL(BT_LOG_ERROR, log_level, |
1276 | BT_LOG_TAG, | |
1277 | "Unsupported trace class's environment entry name: " | |
15fe47e0 PP |
1278 | "name=\"%s\"", name); |
1279 | goto end; | |
1280 | } | |
1281 | ||
1282 | switch (bt_value_get_type(val)) { | |
fdd3a2da | 1283 | case BT_VALUE_TYPE_SIGNED_INTEGER: |
15fe47e0 PP |
1284 | case BT_VALUE_TYPE_STRING: |
1285 | break; | |
1286 | default: | |
ffa3b2b3 PP |
1287 | BT_LOG_WRITE_CUR_LVL(BT_LOG_ERROR, log_level, |
1288 | BT_LOG_TAG, | |
1289 | "Unsupported trace class's environment entry value type: " | |
15fe47e0 PP |
1290 | "type=%s", |
1291 | bt_common_value_type_string( | |
1292 | bt_value_get_type(val))); | |
1293 | goto end; | |
1294 | } | |
1295 | } | |
1296 | ||
1297 | tc = fs_sink_ctf_trace_class_create(ir_tc); | |
1298 | BT_ASSERT(tc); | |
1299 | ||
1300 | end: | |
1301 | return tc; | |
1302 | } |