Commit | Line | Data |
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1e649dff PP |
1 | /* |
2 | * Copyright 2016-2017 - 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 | ||
d6e20753 PP |
15 | #define BT_LOG_TAG "PLUGIN-CTF-METADATA-DECODER" |
16 | #include "logging.h" | |
17 | ||
1e649dff PP |
18 | #include <stdio.h> |
19 | #include <stdbool.h> | |
20 | #include <stdint.h> | |
21 | #include <stdlib.h> | |
d6e20753 | 22 | #include <inttypes.h> |
f6ccaed9 | 23 | #include <babeltrace/assert-internal.h> |
3d9990ac PP |
24 | #include <babeltrace/compat/uuid-internal.h> |
25 | #include <babeltrace/compat/memstream-internal.h> | |
9d408fca | 26 | #include <babeltrace/babeltrace.h> |
1e649dff | 27 | #include <glib.h> |
e9383dfd | 28 | #include <string.h> |
1e649dff PP |
29 | |
30 | #include "ast.h" | |
31 | #include "decoder.h" | |
32 | #include "scanner.h" | |
33 | ||
1e649dff PP |
34 | #define TSDL_MAGIC 0x75d11d57 |
35 | ||
61d6f9b1 | 36 | extern |
f73367f8 PP |
37 | int yydebug; |
38 | ||
1e649dff PP |
39 | struct ctf_metadata_decoder { |
40 | struct ctf_visitor_generate_ir *visitor; | |
1e649dff PP |
41 | uint8_t uuid[16]; |
42 | bool is_uuid_set; | |
43 | int bo; | |
a2a54545 | 44 | struct ctf_metadata_decoder_config config; |
1e649dff PP |
45 | }; |
46 | ||
47 | struct packet_header { | |
48 | uint32_t magic; | |
49 | uint8_t uuid[16]; | |
50 | uint32_t checksum; | |
51 | uint32_t content_size; | |
52 | uint32_t packet_size; | |
53 | uint8_t compression_scheme; | |
54 | uint8_t encryption_scheme; | |
55 | uint8_t checksum_scheme; | |
56 | uint8_t major; | |
57 | uint8_t minor; | |
58 | } __attribute__((__packed__)); | |
59 | ||
60 | BT_HIDDEN | |
61 | bool ctf_metadata_decoder_is_packetized(FILE *fp, int *byte_order) | |
62 | { | |
63 | uint32_t magic; | |
64 | size_t len; | |
65 | int ret = 0; | |
66 | ||
67 | len = fread(&magic, sizeof(magic), 1, fp); | |
68 | if (len != 1) { | |
d6e20753 | 69 | BT_LOGD_STR("Cannot reade first metadata packet header: assuming the stream is not packetized."); |
1e649dff PP |
70 | goto end; |
71 | } | |
72 | ||
73 | if (byte_order) { | |
74 | if (magic == TSDL_MAGIC) { | |
75 | ret = 1; | |
76 | *byte_order = BYTE_ORDER; | |
77 | } else if (magic == GUINT32_SWAP_LE_BE(TSDL_MAGIC)) { | |
78 | ret = 1; | |
79 | *byte_order = BYTE_ORDER == BIG_ENDIAN ? | |
80 | LITTLE_ENDIAN : BIG_ENDIAN; | |
81 | } | |
82 | } | |
83 | ||
84 | end: | |
85 | rewind(fp); | |
86 | ||
87 | return ret; | |
88 | } | |
89 | ||
90 | static | |
91 | bool is_version_valid(unsigned int major, unsigned int minor) | |
92 | { | |
93 | return major == 1 && minor == 8; | |
94 | } | |
95 | ||
96 | static | |
97 | int decode_packet(struct ctf_metadata_decoder *mdec, FILE *in_fp, FILE *out_fp, | |
98 | int byte_order) | |
99 | { | |
100 | struct packet_header header; | |
101 | size_t readlen, writelen, toread; | |
102 | uint8_t buf[512 + 1]; /* + 1 for debug-mode \0 */ | |
103 | int ret = 0; | |
d6e20753 | 104 | const long offset = ftell(in_fp); |
1e649dff | 105 | |
9e254855 MD |
106 | if (offset < 0) { |
107 | BT_LOGE_ERRNO("Failed to get current metadata file position", | |
108 | "."); | |
109 | goto error; | |
110 | } | |
d6e20753 PP |
111 | BT_LOGV("Decoding metadata packet: mdec-addr=%p, offset=%ld", |
112 | mdec, offset); | |
1e649dff PP |
113 | readlen = fread(&header, sizeof(header), 1, in_fp); |
114 | if (feof(in_fp) != 0) { | |
d6e20753 | 115 | BT_LOGV("Reached end of file: offset=%ld", ftell(in_fp)); |
1e649dff PP |
116 | goto end; |
117 | } | |
118 | if (readlen < 1) { | |
d6e20753 | 119 | BT_LOGV("Cannot decode metadata packet: offset=%ld", offset); |
1e649dff PP |
120 | goto error; |
121 | } | |
122 | ||
123 | if (byte_order != BYTE_ORDER) { | |
124 | header.magic = GUINT32_SWAP_LE_BE(header.magic); | |
125 | header.checksum = GUINT32_SWAP_LE_BE(header.checksum); | |
126 | header.content_size = GUINT32_SWAP_LE_BE(header.content_size); | |
127 | header.packet_size = GUINT32_SWAP_LE_BE(header.packet_size); | |
128 | } | |
129 | ||
130 | if (header.compression_scheme) { | |
d6e20753 PP |
131 | BT_LOGE("Metadata packet compression is not supported as of this version: " |
132 | "compression-scheme=%u, offset=%ld", | |
133 | (unsigned int) header.compression_scheme, offset); | |
1e649dff PP |
134 | goto error; |
135 | } | |
136 | ||
137 | if (header.encryption_scheme) { | |
d6e20753 PP |
138 | BT_LOGE("Metadata packet encryption is not supported as of this version: " |
139 | "encryption-scheme=%u, offset=%ld", | |
140 | (unsigned int) header.encryption_scheme, offset); | |
1e649dff PP |
141 | goto error; |
142 | } | |
143 | ||
144 | if (header.checksum || header.checksum_scheme) { | |
d6e20753 PP |
145 | BT_LOGE("Metadata packet checksum verification is not supported as of this version: " |
146 | "checksum-scheme=%u, checksum=%x, offset=%ld", | |
147 | (unsigned int) header.checksum_scheme, header.checksum, | |
148 | offset); | |
1e649dff PP |
149 | goto error; |
150 | } | |
151 | ||
152 | if (!is_version_valid(header.major, header.minor)) { | |
d6e20753 PP |
153 | BT_LOGE("Invalid metadata packet version: " |
154 | "version=%u.%u, offset=%ld", | |
155 | header.major, header.minor, offset); | |
1e649dff PP |
156 | goto error; |
157 | } | |
158 | ||
159 | /* Set expected trace UUID if not set; otherwise validate it */ | |
160 | if (mdec) { | |
161 | if (!mdec->is_uuid_set) { | |
162 | memcpy(mdec->uuid, header.uuid, sizeof(header.uuid)); | |
163 | mdec->is_uuid_set = true; | |
164 | } else if (bt_uuid_compare(header.uuid, mdec->uuid)) { | |
d6e20753 PP |
165 | BT_LOGE("Metadata UUID mismatch between packets of the same stream: " |
166 | "packet-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
167 | "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", " | |
168 | "offset=%ld", | |
169 | (unsigned int) header.uuid[0], | |
170 | (unsigned int) header.uuid[1], | |
171 | (unsigned int) header.uuid[2], | |
172 | (unsigned int) header.uuid[3], | |
173 | (unsigned int) header.uuid[4], | |
174 | (unsigned int) header.uuid[5], | |
175 | (unsigned int) header.uuid[6], | |
176 | (unsigned int) header.uuid[7], | |
177 | (unsigned int) header.uuid[8], | |
178 | (unsigned int) header.uuid[9], | |
179 | (unsigned int) header.uuid[10], | |
180 | (unsigned int) header.uuid[11], | |
181 | (unsigned int) header.uuid[12], | |
182 | (unsigned int) header.uuid[13], | |
183 | (unsigned int) header.uuid[14], | |
184 | (unsigned int) header.uuid[15], | |
185 | (unsigned int) mdec->uuid[0], | |
186 | (unsigned int) mdec->uuid[1], | |
187 | (unsigned int) mdec->uuid[2], | |
188 | (unsigned int) mdec->uuid[3], | |
189 | (unsigned int) mdec->uuid[4], | |
190 | (unsigned int) mdec->uuid[5], | |
191 | (unsigned int) mdec->uuid[6], | |
192 | (unsigned int) mdec->uuid[7], | |
193 | (unsigned int) mdec->uuid[8], | |
194 | (unsigned int) mdec->uuid[9], | |
195 | (unsigned int) mdec->uuid[10], | |
196 | (unsigned int) mdec->uuid[11], | |
197 | (unsigned int) mdec->uuid[12], | |
198 | (unsigned int) mdec->uuid[13], | |
199 | (unsigned int) mdec->uuid[14], | |
200 | (unsigned int) mdec->uuid[15], | |
201 | offset); | |
1e649dff PP |
202 | goto error; |
203 | } | |
204 | } | |
205 | ||
206 | if ((header.content_size / CHAR_BIT) < sizeof(header)) { | |
d6e20753 PP |
207 | BT_LOGE("Bad metadata packet content size: content-size=%u, " |
208 | "offset=%ld", header.content_size, offset); | |
1e649dff PP |
209 | goto error; |
210 | } | |
211 | ||
212 | toread = header.content_size / CHAR_BIT - sizeof(header); | |
213 | ||
214 | for (;;) { | |
9e254855 MD |
215 | size_t loop_read; |
216 | ||
217 | loop_read = MIN(sizeof(buf) - 1, toread); | |
218 | readlen = fread(buf, sizeof(uint8_t), loop_read, in_fp); | |
1e649dff | 219 | if (ferror(in_fp)) { |
d6e20753 | 220 | BT_LOGE("Cannot read metadata packet buffer: " |
9e254855 MD |
221 | "offset=%ld, read-size=%zu", |
222 | ftell(in_fp), loop_read); | |
223 | goto error; | |
224 | } | |
225 | if (readlen > loop_read) { | |
226 | BT_LOGE("fread returned more byte than expected: " | |
227 | "read-size-asked=%zu, read-size-returned=%zu", | |
228 | loop_read, readlen); | |
1e649dff PP |
229 | goto error; |
230 | } | |
231 | ||
232 | writelen = fwrite(buf, sizeof(uint8_t), readlen, out_fp); | |
233 | if (writelen < readlen || ferror(out_fp)) { | |
d6e20753 | 234 | BT_LOGE("Cannot write decoded metadata text to buffer: " |
9e254855 MD |
235 | "read-offset=%ld, write-size=%zu", |
236 | ftell(in_fp), readlen); | |
1e649dff PP |
237 | goto error; |
238 | } | |
239 | ||
240 | toread -= readlen; | |
241 | if (toread == 0) { | |
242 | int fseek_ret; | |
243 | ||
244 | /* Read leftover padding */ | |
245 | toread = (header.packet_size - header.content_size) / | |
246 | CHAR_BIT; | |
247 | fseek_ret = fseek(in_fp, toread, SEEK_CUR); | |
248 | if (fseek_ret < 0) { | |
d6e20753 | 249 | BT_LOGW_STR("Missing padding at the end of the metadata stream."); |
1e649dff | 250 | } |
1e649dff PP |
251 | break; |
252 | } | |
253 | } | |
254 | ||
255 | goto end; | |
256 | ||
257 | error: | |
258 | ret = -1; | |
259 | ||
260 | end: | |
261 | return ret; | |
262 | } | |
263 | ||
264 | static | |
265 | int ctf_metadata_decoder_packetized_file_stream_to_buf_with_mdec( | |
266 | struct ctf_metadata_decoder *mdec, FILE *fp, | |
267 | char **buf, int byte_order) | |
268 | { | |
269 | FILE *out_fp; | |
270 | size_t size; | |
271 | int ret = 0; | |
272 | int tret; | |
273 | size_t packet_index = 0; | |
274 | ||
275 | out_fp = bt_open_memstream(buf, &size); | |
276 | if (out_fp == NULL) { | |
d6e20753 PP |
277 | BT_LOGE("Cannot open memory stream: %s: mdec-addr=%p", |
278 | strerror(errno), mdec); | |
1e649dff PP |
279 | goto error; |
280 | } | |
281 | ||
282 | for (;;) { | |
283 | if (feof(fp) != 0) { | |
284 | break; | |
285 | } | |
286 | ||
287 | tret = decode_packet(mdec, fp, out_fp, byte_order); | |
288 | if (tret) { | |
d6e20753 PP |
289 | BT_LOGE("Cannot decode packet: index=%zu, mdec-addr=%p", |
290 | packet_index, mdec); | |
1e649dff PP |
291 | goto error; |
292 | } | |
293 | ||
294 | packet_index++; | |
295 | } | |
296 | ||
297 | /* Make sure the whole string ends with a null character */ | |
298 | tret = fputc('\0', out_fp); | |
299 | if (tret == EOF) { | |
d6e20753 PP |
300 | BT_LOGE("Cannot append '\\0' to the decoded metadata buffer: " |
301 | "mdec-addr=%p", mdec); | |
1e649dff PP |
302 | goto error; |
303 | } | |
304 | ||
305 | /* Close stream, which also flushes the buffer */ | |
306 | ret = bt_close_memstream(buf, &size, out_fp); | |
47eba00a MD |
307 | /* |
308 | * See fclose(3). Further access to out_fp after both success | |
309 | * and error, even through another bt_close_memstream(), results | |
310 | * in undefined behavior. Nullify out_fp to ensure we don't | |
311 | * fclose it twice on error. | |
312 | */ | |
313 | out_fp = NULL; | |
1e649dff | 314 | if (ret < 0) { |
d6e20753 PP |
315 | BT_LOGE("Cannot close memory stream: %s: mdec-addr=%p", |
316 | strerror(errno), mdec); | |
1e649dff PP |
317 | goto error; |
318 | } | |
319 | ||
320 | goto end; | |
321 | ||
322 | error: | |
323 | ret = -1; | |
324 | ||
325 | if (out_fp) { | |
d6e20753 PP |
326 | if (bt_close_memstream(buf, &size, out_fp)) { |
327 | BT_LOGE("Cannot close memory stream: %s: mdec-addr=%p", | |
328 | strerror(errno), mdec); | |
329 | } | |
1e649dff PP |
330 | } |
331 | ||
332 | if (*buf) { | |
333 | free(*buf); | |
8318bbaa | 334 | *buf = NULL; |
1e649dff PP |
335 | } |
336 | ||
337 | end: | |
338 | return ret; | |
339 | } | |
340 | ||
341 | BT_HIDDEN | |
342 | int ctf_metadata_decoder_packetized_file_stream_to_buf( | |
343 | FILE *fp, char **buf, int byte_order) | |
344 | { | |
345 | return ctf_metadata_decoder_packetized_file_stream_to_buf_with_mdec( | |
346 | NULL, fp, buf, byte_order); | |
347 | } | |
348 | ||
349 | BT_HIDDEN | |
55314f2a | 350 | struct ctf_metadata_decoder *ctf_metadata_decoder_create( |
862ca4ed | 351 | const struct ctf_metadata_decoder_config *config) |
1e649dff PP |
352 | { |
353 | struct ctf_metadata_decoder *mdec = | |
354 | g_new0(struct ctf_metadata_decoder, 1); | |
a2a54545 PP |
355 | struct ctf_metadata_decoder_config default_config = { |
356 | .clock_class_offset_s = 0, | |
357 | .clock_class_offset_ns = 0, | |
a2a54545 PP |
358 | }; |
359 | ||
360 | if (!config) { | |
361 | config = &default_config; | |
362 | } | |
1e649dff | 363 | |
d6e20753 | 364 | BT_LOGD("Creating CTF metadata decoder: " |
a2a54545 | 365 | "clock-class-offset-s=%" PRId64 ", " |
862ca4ed PP |
366 | "clock-class-offset-ns=%" PRId64, |
367 | config->clock_class_offset_s, config->clock_class_offset_ns); | |
d6e20753 | 368 | |
1e649dff | 369 | if (!mdec) { |
d6e20753 | 370 | BT_LOGE_STR("Failed to allocate one CTF metadata decoder."); |
1e649dff PP |
371 | goto end; |
372 | } | |
373 | ||
a2a54545 | 374 | mdec->config = *config; |
862ca4ed | 375 | mdec->visitor = ctf_visitor_generate_ir_create(config); |
1e649dff | 376 | if (!mdec->visitor) { |
d6e20753 PP |
377 | BT_LOGE("Failed to create a CTF IR metadata AST visitor: " |
378 | "mdec-addr=%p", mdec); | |
1e649dff PP |
379 | ctf_metadata_decoder_destroy(mdec); |
380 | mdec = NULL; | |
381 | goto end; | |
382 | } | |
383 | ||
a2a54545 PP |
384 | BT_LOGD("Creating CTF metadata decoder: " |
385 | "clock-class-offset-s=%" PRId64 ", " | |
862ca4ed | 386 | "clock-class-offset-ns=%" PRId64 ", addr=%p", |
a2a54545 | 387 | config->clock_class_offset_s, config->clock_class_offset_ns, |
862ca4ed | 388 | mdec); |
d6e20753 | 389 | |
1e649dff PP |
390 | end: |
391 | return mdec; | |
392 | } | |
393 | ||
394 | BT_HIDDEN | |
395 | void ctf_metadata_decoder_destroy(struct ctf_metadata_decoder *mdec) | |
396 | { | |
397 | if (!mdec) { | |
398 | return; | |
399 | } | |
400 | ||
d6e20753 | 401 | BT_LOGD("Destroying CTF metadata decoder: addr=%p", mdec); |
1e649dff PP |
402 | ctf_visitor_generate_ir_destroy(mdec->visitor); |
403 | g_free(mdec); | |
404 | } | |
405 | ||
406 | BT_HIDDEN | |
407 | enum ctf_metadata_decoder_status ctf_metadata_decoder_decode( | |
408 | struct ctf_metadata_decoder *mdec, FILE *fp) | |
409 | { | |
410 | enum ctf_metadata_decoder_status status = | |
411 | CTF_METADATA_DECODER_STATUS_OK; | |
412 | int ret; | |
413 | struct ctf_scanner *scanner = NULL; | |
414 | char *buf = NULL; | |
415 | bool close_fp = false; | |
416 | ||
f6ccaed9 | 417 | BT_ASSERT(mdec); |
1e649dff PP |
418 | |
419 | if (ctf_metadata_decoder_is_packetized(fp, &mdec->bo)) { | |
d6e20753 | 420 | BT_LOGD("Metadata stream is packetized: mdec-addr=%p", mdec); |
1e649dff PP |
421 | ret = ctf_metadata_decoder_packetized_file_stream_to_buf_with_mdec( |
422 | mdec, fp, &buf, mdec->bo); | |
423 | if (ret) { | |
d6e20753 PP |
424 | BT_LOGE("Cannot decode packetized metadata packets to metadata text: " |
425 | "mdec-addr=%p, ret=%d", mdec, ret); | |
1e649dff PP |
426 | status = CTF_METADATA_DECODER_STATUS_ERROR; |
427 | goto end; | |
428 | } | |
429 | ||
7cdc2bab MD |
430 | if (strlen(buf) == 0) { |
431 | /* An empty metadata packet is OK. */ | |
432 | goto end; | |
433 | } | |
434 | ||
1e649dff PP |
435 | /* Convert the real file pointer to a memory file pointer */ |
436 | fp = bt_fmemopen(buf, strlen(buf), "rb"); | |
437 | close_fp = true; | |
438 | if (!fp) { | |
d6e20753 PP |
439 | BT_LOGE("Cannot memory-open metadata buffer: %s: " |
440 | "mdec-addr=%p", strerror(errno), mdec); | |
1e649dff PP |
441 | status = CTF_METADATA_DECODER_STATUS_ERROR; |
442 | goto end; | |
443 | } | |
444 | } else { | |
445 | unsigned int major, minor; | |
446 | ssize_t nr_items; | |
447 | const long init_pos = ftell(fp); | |
448 | ||
d6e20753 | 449 | BT_LOGD("Metadata stream is plain text: mdec-addr=%p", mdec); |
1e649dff | 450 | |
1e95e5e8 MD |
451 | if (init_pos < 0) { |
452 | BT_LOGE_ERRNO("Failed to get current file position", "."); | |
453 | status = CTF_METADATA_DECODER_STATUS_ERROR; | |
454 | goto end; | |
455 | } | |
456 | ||
1e649dff PP |
457 | /* Check text-only metadata header and version */ |
458 | nr_items = fscanf(fp, "/* CTF %10u.%10u", &major, &minor); | |
459 | if (nr_items < 2) { | |
d6e20753 PP |
460 | BT_LOGW("Missing \"/* CTF major.minor\" signature in plain text metadata file stream: " |
461 | "mdec-addr=%p", mdec); | |
1e649dff PP |
462 | } |
463 | ||
d6e20753 | 464 | BT_LOGD("Found metadata stream version in signature: version=%u.%u", major, minor); |
1e649dff PP |
465 | |
466 | if (!is_version_valid(major, minor)) { | |
d6e20753 PP |
467 | BT_LOGE("Invalid metadata version found in plain text signature: " |
468 | "version=%u.%u, mdec-addr=%p", major, minor, | |
469 | mdec); | |
1e649dff PP |
470 | status = CTF_METADATA_DECODER_STATUS_INVAL_VERSION; |
471 | goto end; | |
472 | } | |
473 | ||
474 | if (fseek(fp, init_pos, SEEK_SET)) { | |
d6e20753 PP |
475 | BT_LOGE("Cannot seek metadata file stream to initial position: %s: " |
476 | "mdec-addr=%p", strerror(errno), mdec); | |
1e649dff PP |
477 | status = CTF_METADATA_DECODER_STATUS_ERROR; |
478 | goto end; | |
479 | } | |
480 | } | |
481 | ||
f73367f8 PP |
482 | if (BT_LOG_ON_VERBOSE) { |
483 | yydebug = 1; | |
484 | } | |
485 | ||
1e649dff PP |
486 | /* Allocate a scanner and append the metadata text content */ |
487 | scanner = ctf_scanner_alloc(); | |
488 | if (!scanner) { | |
d6e20753 PP |
489 | BT_LOGE("Cannot allocate a metadata lexical scanner: " |
490 | "mdec-addr=%p", mdec); | |
1e649dff PP |
491 | status = CTF_METADATA_DECODER_STATUS_ERROR; |
492 | goto end; | |
493 | } | |
494 | ||
f6ccaed9 | 495 | BT_ASSERT(fp); |
1e649dff PP |
496 | ret = ctf_scanner_append_ast(scanner, fp); |
497 | if (ret) { | |
d6e20753 PP |
498 | BT_LOGE("Cannot create the metadata AST out of the metadata text: " |
499 | "mdec-addr=%p", mdec); | |
1e649dff PP |
500 | status = CTF_METADATA_DECODER_STATUS_INCOMPLETE; |
501 | goto end; | |
502 | } | |
503 | ||
55314f2a | 504 | ret = ctf_visitor_semantic_check(0, &scanner->ast->root); |
1e649dff | 505 | if (ret) { |
d6e20753 PP |
506 | BT_LOGE("Validation of the metadata semantics failed: " |
507 | "mdec-addr=%p", mdec); | |
1e649dff PP |
508 | status = CTF_METADATA_DECODER_STATUS_ERROR; |
509 | goto end; | |
510 | } | |
511 | ||
512 | ret = ctf_visitor_generate_ir_visit_node(mdec->visitor, | |
513 | &scanner->ast->root); | |
44c440bc PP |
514 | // TODO |
515 | ret = -1; | |
516 | goto end; | |
517 | ||
1e649dff PP |
518 | switch (ret) { |
519 | case 0: | |
520 | /* Success */ | |
521 | break; | |
522 | case -EINCOMPLETE: | |
d6e20753 PP |
523 | BT_LOGD("While visiting metadata AST: incomplete data: " |
524 | "mdec-addr=%p", mdec); | |
1e649dff PP |
525 | status = CTF_METADATA_DECODER_STATUS_INCOMPLETE; |
526 | goto end; | |
527 | default: | |
d6e20753 PP |
528 | BT_LOGE("Failed to visit AST node to create CTF IR objects: " |
529 | "mdec-addr=%p, ret=%d", mdec, ret); | |
1e649dff PP |
530 | status = CTF_METADATA_DECODER_STATUS_IR_VISITOR_ERROR; |
531 | goto end; | |
532 | } | |
533 | ||
534 | end: | |
535 | if (scanner) { | |
536 | ctf_scanner_free(scanner); | |
537 | } | |
538 | ||
f73367f8 PP |
539 | yydebug = 0; |
540 | ||
1e649dff PP |
541 | if (fp && close_fp) { |
542 | if (fclose(fp)) { | |
d6e20753 PP |
543 | BT_LOGE("Cannot close metadata file stream: " |
544 | "mdec-addr=%p", mdec); | |
1e649dff PP |
545 | } |
546 | } | |
547 | ||
548 | if (buf) { | |
549 | free(buf); | |
550 | } | |
551 | ||
552 | return status; | |
553 | } | |
554 | ||
555 | BT_HIDDEN | |
b19ff26f | 556 | bt_trace_class *ctf_metadata_decoder_get_ir_trace_class( |
44c440bc PP |
557 | struct ctf_metadata_decoder *mdec) |
558 | { | |
862ca4ed | 559 | return ctf_visitor_generate_ir_get_ir_trace_class(mdec->visitor); |
44c440bc PP |
560 | } |
561 | ||
562 | BT_HIDDEN | |
563 | struct ctf_trace_class *ctf_metadata_decoder_borrow_ctf_trace_class( | |
1e649dff PP |
564 | struct ctf_metadata_decoder *mdec) |
565 | { | |
44c440bc | 566 | return ctf_visitor_generate_ir_borrow_ctf_trace_class(mdec->visitor); |
1e649dff | 567 | } |