Commit | Line | Data |
---|---|---|
fc93b2bd MD |
1 | /* |
2 | * BabelTrace - Common Trace Format (CTF) | |
3 | * | |
4 | * Format registration. | |
5 | * | |
c054553d | 6 | * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
fc93b2bd | 7 | * |
ccd7e1c8 MD |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
fc93b2bd | 14 | * |
ccd7e1c8 MD |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
fc93b2bd MD |
17 | */ |
18 | ||
19 | #include <babeltrace/format.h> | |
20 | #include <babeltrace/ctf/types.h> | |
bbefb8dd | 21 | #include <babeltrace/ctf/metadata.h> |
65102a8c | 22 | #include <babeltrace/babeltrace.h> |
0f980a35 MD |
23 | #include <inttypes.h> |
24 | #include <uuid/uuid.h> | |
25 | #include <sys/mman.h> | |
bbefb8dd | 26 | #include <errno.h> |
bbefb8dd | 27 | #include <sys/types.h> |
65102a8c | 28 | #include <sys/stat.h> |
bbefb8dd | 29 | #include <fcntl.h> |
65102a8c | 30 | #include <dirent.h> |
bbefb8dd | 31 | #include <glib.h> |
65102a8c MD |
32 | #include <unistd.h> |
33 | #include <stdlib.h> | |
34 | ||
65102a8c MD |
35 | #include "metadata/ctf-scanner.h" |
36 | #include "metadata/ctf-parser.h" | |
37 | #include "metadata/ctf-ast.h" | |
38 | ||
0f980a35 MD |
39 | /* |
40 | * We currently simply map a page to read the packet header and packet | |
41 | * context to get the packet length and content length. | |
42 | */ | |
43 | #define MAX_PACKET_HEADER_LEN getpagesize() | |
44 | #define UUID_LEN 16 /* uuid by value len */ | |
45 | ||
65102a8c | 46 | extern int yydebug; |
bbefb8dd MD |
47 | |
48 | struct trace_descriptor { | |
49 | struct ctf_trace ctf_trace; | |
50 | }; | |
51 | ||
52 | struct trace_descriptor *ctf_open_trace(const char *path, int flags); | |
53 | void ctf_close_trace(struct trace_descriptor *descriptor); | |
fc93b2bd | 54 | |
4c8bfb7e | 55 | static struct format ctf_format = { |
fc93b2bd MD |
56 | .uint_read = ctf_uint_read, |
57 | .int_read = ctf_int_read, | |
58 | .uint_write = ctf_uint_write, | |
59 | .int_write = ctf_int_write, | |
0a46062b MD |
60 | .double_read = ctf_double_read, |
61 | .double_write = ctf_double_write, | |
dc48ecad MD |
62 | .ldouble_read = ctf_ldouble_read, |
63 | .ldouble_write = ctf_ldouble_write, | |
fc93b2bd MD |
64 | .float_copy = ctf_float_copy, |
65 | .string_copy = ctf_string_copy, | |
a52d7f6a MD |
66 | .string_read = ctf_string_read, |
67 | .string_write = ctf_string_write, | |
68 | .string_free_temp = ctf_string_free_temp, | |
448d3cc7 MD |
69 | .enum_read = ctf_enum_read, |
70 | .enum_write = ctf_enum_write, | |
11796b96 MD |
71 | .struct_begin = ctf_struct_begin, |
72 | .struct_end = ctf_struct_end, | |
c054553d MD |
73 | .variant_begin = ctf_variant_begin, |
74 | .variant_end = ctf_variant_end, | |
d06d03db MD |
75 | .array_begin = ctf_array_begin, |
76 | .array_end = ctf_array_end, | |
77 | .sequence_begin = ctf_sequence_begin, | |
78 | .sequence_end = ctf_sequence_end, | |
bbefb8dd MD |
79 | .open_trace = ctf_open_trace, |
80 | .close_trace = ctf_close_trace, | |
fc93b2bd MD |
81 | }; |
82 | ||
0f980a35 MD |
83 | void move_pos_slow(struct stream_pos *pos, size_t offset) |
84 | { | |
85 | int ret; | |
86 | ||
87 | /* | |
88 | * The caller should never ask for move_pos across packets, | |
89 | * except to get exactly at the beginning of the next packet. | |
90 | */ | |
91 | assert(pos->offset + offset == pos->content_size); | |
92 | ||
93 | if (pos->base) { | |
94 | /* unmap old base */ | |
95 | ret = munmap(pos->base, pos->packet_size); | |
96 | if (ret) { | |
97 | fprintf(stdout, "Unable to unmap old base: %s.\n", | |
98 | strerror(errno)); | |
99 | assert(0); | |
100 | } | |
101 | } | |
102 | ||
103 | pos->mmap_offset += pos->packet_size / CHAR_BIT; | |
104 | /* map new base. Need mapping length from header. */ | |
105 | pos->base = mmap(NULL, MAX_PACKET_HEADER_LEN, PROT_READ, | |
106 | MAP_PRIVATE, pos->fd, pos->mmap_offset); | |
107 | pos->content_size = 0; /* Unknown at this point */ | |
108 | pos->packet_size = 0; /* Unknown at this point */ | |
109 | ||
110 | } | |
111 | ||
65102a8c MD |
112 | /* |
113 | * TODO: for now, we treat the metadata file as a simple text file | |
114 | * (without any header nor packets nor padding). | |
115 | */ | |
116 | static | |
117 | int ctf_open_trace_metadata_read(struct trace_descriptor *td) | |
118 | { | |
119 | struct ctf_scanner *scanner; | |
120 | FILE *fp; | |
121 | int ret = 0; | |
122 | ||
0f980a35 | 123 | td->ctf_trace.metadata.pos.fd = openat(td->ctf_trace.dirfd, |
65102a8c | 124 | "metadata", O_RDONLY); |
0f980a35 | 125 | if (td->ctf_trace.metadata.pos.fd < 0) { |
65102a8c | 126 | fprintf(stdout, "Unable to open metadata.\n"); |
0f980a35 | 127 | return td->ctf_trace.metadata.pos.fd; |
65102a8c MD |
128 | } |
129 | ||
130 | if (babeltrace_debug) | |
131 | yydebug = 1; | |
132 | ||
0f980a35 | 133 | fp = fdopen(td->ctf_trace.metadata.pos.fd, "r"); |
65102a8c MD |
134 | if (!fp) { |
135 | fprintf(stdout, "Unable to open metadata stream.\n"); | |
136 | ret = -errno; | |
137 | goto end_stream; | |
138 | } | |
139 | ||
140 | scanner = ctf_scanner_alloc(fp); | |
141 | if (!scanner) { | |
142 | fprintf(stdout, "Error allocating scanner\n"); | |
143 | ret = -ENOMEM; | |
144 | goto end_scanner_alloc; | |
145 | } | |
146 | ret = ctf_scanner_append_ast(scanner); | |
147 | if (ret) { | |
148 | fprintf(stdout, "Error creating AST\n"); | |
149 | goto end; | |
150 | } | |
151 | ||
152 | if (babeltrace_debug) { | |
153 | ret = ctf_visitor_print_xml(stdout, 0, &scanner->ast->root); | |
154 | if (ret) { | |
155 | fprintf(stdout, "Error visiting AST for XML output\n"); | |
156 | goto end; | |
157 | } | |
158 | } | |
159 | ||
160 | ret = ctf_visitor_semantic_check(stdout, 0, &scanner->ast->root); | |
161 | if (ret) { | |
162 | fprintf(stdout, "Error in CTF semantic validation %d\n", ret); | |
163 | goto end; | |
164 | } | |
165 | ret = ctf_visitor_construct_metadata(stdout, 0, &scanner->ast->root, | |
166 | &td->ctf_trace, BYTE_ORDER); | |
167 | if (ret) { | |
168 | fprintf(stdout, "Error in CTF metadata constructor %d\n", ret); | |
169 | goto end; | |
170 | } | |
171 | end: | |
172 | ctf_scanner_free(scanner); | |
173 | end_scanner_alloc: | |
174 | fclose(fp); | |
175 | end_stream: | |
0f980a35 MD |
176 | close(td->ctf_trace.metadata.pos.fd); |
177 | return ret; | |
178 | } | |
179 | ||
180 | ||
181 | static | |
182 | int create_stream_packet_index(struct trace_descriptor *td, | |
183 | struct ctf_file_stream *file_stream) | |
184 | { | |
185 | struct ctf_stream *stream; | |
186 | int len_index; | |
187 | struct stream_pos *pos; | |
188 | struct stat filestats; | |
189 | struct packet_index packet_index; | |
190 | int first_packet = 1; | |
191 | int ret; | |
192 | ||
193 | pos = &file_stream->pos; | |
194 | ||
195 | ret = fstat(pos->fd, &filestats); | |
196 | if (ret < 0) | |
197 | return ret; | |
198 | ||
199 | for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) { | |
200 | uint64_t stream_id = 0; | |
201 | ||
202 | if (pos->base) { | |
203 | /* unmap old base */ | |
204 | ret = munmap(pos->base, pos->packet_size); | |
205 | if (ret) { | |
206 | fprintf(stdout, "Unable to unmap old base: %s.\n", | |
207 | strerror(errno)); | |
208 | return ret; | |
209 | } | |
210 | } | |
211 | /* map new base. Need mapping length from header. */ | |
212 | pos->base = mmap(NULL, MAX_PACKET_HEADER_LEN, PROT_READ, | |
213 | MAP_PRIVATE, pos->fd, pos->mmap_offset); | |
dc48ecad MD |
214 | pos->content_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ |
215 | pos->packet_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ | |
0f980a35 MD |
216 | pos->offset = 0; /* Position of the packet header */ |
217 | ||
218 | /* read and check header, set stream id (and check) */ | |
219 | if (td->ctf_trace.packet_header) { | |
220 | /* Read packet header */ | |
221 | td->ctf_trace.packet_header->p.declaration->copy(NULL, NULL, | |
222 | pos, &ctf_format, &td->ctf_trace.packet_header->p); | |
223 | ||
224 | len_index = struct_declaration_lookup_field_index(td->ctf_trace.packet_header->declaration, g_quark_from_static_string("magic")); | |
225 | if (len_index >= 0) { | |
226 | struct definition_integer *defint; | |
227 | struct field *field; | |
228 | ||
229 | field = struct_definition_get_field_from_index(td->ctf_trace.packet_header, len_index); | |
230 | assert(field->definition->declaration->id == CTF_TYPE_INTEGER); | |
231 | defint = container_of(field->definition, struct definition_integer, p); | |
232 | assert(defint->declaration->signedness == FALSE); | |
233 | if (defint->value._unsigned != CTF_MAGIC) { | |
234 | fprintf(stdout, "[error] Invalid magic number %" PRIX64 ".\n", | |
235 | defint->value._unsigned); | |
236 | return -EINVAL; | |
237 | } | |
238 | } | |
239 | ||
240 | /* check uuid */ | |
241 | len_index = struct_declaration_lookup_field_index(td->ctf_trace.packet_header->declaration, g_quark_from_static_string("trace_uuid")); | |
242 | if (len_index >= 0) { | |
243 | struct definition_array *defarray; | |
244 | struct field *field; | |
245 | uint64_t i; | |
246 | uint8_t uuidval[UUID_LEN]; | |
247 | ||
248 | ||
249 | field = struct_definition_get_field_from_index(td->ctf_trace.packet_header, len_index); | |
250 | assert(field->definition->declaration->id == CTF_TYPE_ARRAY); | |
251 | defarray = container_of(field->definition, struct definition_array, p); | |
3838df27 | 252 | assert(array_len(defarray) == UUID_LEN); |
0f980a35 MD |
253 | assert(defarray->declaration->elem->id == CTF_TYPE_INTEGER); |
254 | ||
255 | for (i = 0; i < UUID_LEN; i++) { | |
256 | struct definition *elem; | |
257 | struct definition_integer *defint; | |
258 | ||
259 | elem = array_index(defarray, i); | |
260 | assert(elem); | |
261 | defint = container_of(elem, struct definition_integer, p); | |
262 | uuidval[i] = defint->value._unsigned; | |
263 | } | |
264 | ret = uuid_compare(td->ctf_trace.uuid, uuidval); | |
265 | if (ret) { | |
266 | fprintf(stdout, "[error] Unique Universal Identifiers do not match.\n"); | |
267 | return -EINVAL; | |
268 | } | |
269 | } | |
270 | ||
271 | ||
272 | len_index = struct_declaration_lookup_field_index(td->ctf_trace.packet_header->declaration, g_quark_from_static_string("stream_id")); | |
273 | if (len_index >= 0) { | |
274 | struct definition_integer *defint; | |
275 | struct field *field; | |
276 | ||
277 | field = struct_definition_get_field_from_index(td->ctf_trace.packet_header, len_index); | |
278 | assert(field->definition->declaration->id == CTF_TYPE_INTEGER); | |
279 | defint = container_of(field->definition, struct definition_integer, p); | |
280 | assert(defint->declaration->signedness == FALSE); | |
281 | stream_id = defint->value._unsigned; | |
282 | } | |
283 | } | |
284 | ||
285 | if (!first_packet && file_stream->stream_id != stream_id) { | |
286 | fprintf(stdout, "[error] Stream ID is changing within a stream.\n"); | |
287 | return -EINVAL; | |
288 | } | |
289 | if (first_packet) { | |
290 | file_stream->stream_id = stream_id; | |
291 | if (stream_id >= td->ctf_trace.streams->len) { | |
292 | fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); | |
293 | return -EINVAL; | |
294 | } | |
295 | stream = g_ptr_array_index(td->ctf_trace.streams, stream_id); | |
296 | if (!stream) { | |
297 | fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); | |
298 | return -EINVAL; | |
299 | } | |
300 | file_stream->stream = stream; | |
301 | } | |
302 | first_packet = 0; | |
303 | ||
dc48ecad MD |
304 | if (stream->packet_context) { |
305 | /* Read packet context */ | |
306 | stream->packet_context->p.declaration->copy(NULL, NULL, | |
307 | pos, &ctf_format, &stream->packet_context->p); | |
308 | ||
309 | /* read content size from header */ | |
310 | len_index = struct_declaration_lookup_field_index(stream->packet_context->declaration, g_quark_from_static_string("content_size")); | |
311 | if (len_index >= 0) { | |
312 | struct definition_integer *defint; | |
313 | struct field *field; | |
314 | ||
315 | field = struct_definition_get_field_from_index(stream->packet_context, len_index); | |
316 | assert(field->definition->declaration->id == CTF_TYPE_INTEGER); | |
317 | defint = container_of(field->definition, struct definition_integer, p); | |
318 | assert(defint->declaration->signedness == FALSE); | |
319 | pos->content_size = defint->value._unsigned; | |
320 | } else { | |
321 | /* Use file size for packet size */ | |
322 | pos->content_size = filestats.st_size * CHAR_BIT; | |
323 | } | |
324 | ||
325 | /* read packet size from header */ | |
326 | len_index = struct_declaration_lookup_field_index(stream->packet_context->declaration, g_quark_from_static_string("packet_size")); | |
327 | if (len_index >= 0) { | |
328 | struct definition_integer *defint; | |
329 | struct field *field; | |
330 | ||
331 | field = struct_definition_get_field_from_index(stream->packet_context, len_index); | |
332 | assert(field->definition->declaration->id == CTF_TYPE_INTEGER); | |
333 | defint = container_of(field->definition, struct definition_integer, p); | |
334 | assert(defint->declaration->signedness == FALSE); | |
335 | pos->packet_size = defint->value._unsigned; | |
336 | } else { | |
337 | /* Use content size if non-zero, else file size */ | |
338 | pos->packet_size = pos->content_size ? : filestats.st_size * CHAR_BIT; | |
339 | } | |
0f980a35 MD |
340 | } else { |
341 | /* Use file size for packet size */ | |
342 | pos->content_size = filestats.st_size * CHAR_BIT; | |
0f980a35 MD |
343 | /* Use content size if non-zero, else file size */ |
344 | pos->packet_size = pos->content_size ? : filestats.st_size * CHAR_BIT; | |
345 | } | |
346 | ||
347 | packet_index.offset = pos->mmap_offset; | |
348 | packet_index.content_size = pos->content_size; | |
349 | packet_index.packet_size = pos->packet_size; | |
350 | /* add index to packet array */ | |
351 | g_array_append_val(file_stream->pos.packet_index, packet_index); | |
352 | ||
353 | pos->mmap_offset += pos->packet_size / CHAR_BIT; | |
354 | } | |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
359 | /* | |
360 | * Note: many file streams can inherit from the same stream class | |
361 | * description (metadata). | |
362 | */ | |
363 | static | |
364 | int ctf_open_file_stream_read(struct trace_descriptor *td, const char *path, int flags) | |
365 | { | |
366 | int ret; | |
367 | struct ctf_file_stream *file_stream; | |
368 | ||
369 | ret = openat(td->ctf_trace.dirfd, path, flags); | |
370 | if (ret < 0) | |
371 | goto error; | |
372 | file_stream = g_new0(struct ctf_file_stream, 1); | |
373 | file_stream->pos.fd = ret; | |
374 | file_stream->pos.packet_index = g_array_new(FALSE, TRUE, | |
375 | sizeof(struct packet_index)); | |
376 | ret = create_stream_packet_index(td, file_stream); | |
377 | if (ret) | |
378 | goto error_index; | |
379 | /* Add stream file to stream class */ | |
380 | g_ptr_array_add(file_stream->stream->files, file_stream); | |
381 | return 0; | |
382 | ||
383 | error_index: | |
384 | (void) g_array_free(file_stream->pos.packet_index, TRUE); | |
385 | close(file_stream->pos.fd); | |
386 | g_free(file_stream); | |
387 | error: | |
65102a8c MD |
388 | return ret; |
389 | } | |
390 | ||
bbefb8dd MD |
391 | static |
392 | int ctf_open_trace_read(struct trace_descriptor *td, const char *path, int flags) | |
393 | { | |
394 | int ret; | |
65102a8c MD |
395 | struct dirent *dirent; |
396 | struct dirent *diriter; | |
397 | size_t dirent_len; | |
bbefb8dd MD |
398 | |
399 | td->ctf_trace.flags = flags; | |
400 | ||
401 | /* Open trace directory */ | |
402 | td->ctf_trace.dir = opendir(path); | |
403 | if (!td->ctf_trace.dir) { | |
dc48ecad | 404 | fprintf(stdout, "[error] Unable to open trace directory.\n"); |
bbefb8dd MD |
405 | ret = -ENOENT; |
406 | goto error; | |
407 | } | |
408 | ||
65102a8c MD |
409 | td->ctf_trace.dirfd = open(path, 0); |
410 | if (td->ctf_trace.dirfd < 0) { | |
dc48ecad | 411 | fprintf(stdout, "[error] Unable to open trace directory file descriptor.\n"); |
65102a8c MD |
412 | ret = -ENOENT; |
413 | goto error_dirfd; | |
414 | } | |
0f980a35 MD |
415 | |
416 | td->ctf_trace.streams = g_ptr_array_new(); | |
417 | ||
65102a8c MD |
418 | /* |
419 | * Keep the metadata file separate. | |
420 | */ | |
bbefb8dd | 421 | |
65102a8c MD |
422 | ret = ctf_open_trace_metadata_read(td); |
423 | if (ret) { | |
424 | goto error_metadata; | |
425 | } | |
bbefb8dd MD |
426 | |
427 | /* | |
428 | * Open each stream: for each file, try to open, check magic | |
429 | * number, and get the stream ID to add to the right location in | |
430 | * the stream array. | |
bbefb8dd MD |
431 | */ |
432 | ||
65102a8c MD |
433 | dirent_len = offsetof(struct dirent, d_name) + |
434 | fpathconf(td->ctf_trace.dirfd, _PC_NAME_MAX) + 1; | |
bbefb8dd | 435 | |
65102a8c | 436 | dirent = malloc(dirent_len); |
bbefb8dd | 437 | |
65102a8c MD |
438 | for (;;) { |
439 | ret = readdir_r(td->ctf_trace.dir, dirent, &diriter); | |
440 | if (ret) { | |
dc48ecad | 441 | fprintf(stdout, "[error] Readdir error.\n"); |
65102a8c | 442 | goto readdir_error; |
65102a8c MD |
443 | } |
444 | if (!diriter) | |
445 | break; | |
446 | if (!strcmp(diriter->d_name, ".") | |
447 | || !strcmp(diriter->d_name, "..") | |
448 | || !strcmp(diriter->d_name, "metadata")) | |
449 | continue; | |
dc48ecad MD |
450 | ret = ctf_open_file_stream_read(td, diriter->d_name, flags); |
451 | if (ret) { | |
452 | fprintf(stdout, "[error] Open file stream error.\n"); | |
453 | goto readdir_error; | |
454 | } | |
65102a8c | 455 | } |
bbefb8dd | 456 | |
65102a8c | 457 | free(dirent); |
bbefb8dd | 458 | return 0; |
65102a8c MD |
459 | |
460 | readdir_error: | |
461 | free(dirent); | |
462 | error_metadata: | |
0f980a35 | 463 | g_ptr_array_free(td->ctf_trace.streams, TRUE); |
65102a8c MD |
464 | close(td->ctf_trace.dirfd); |
465 | error_dirfd: | |
466 | closedir(td->ctf_trace.dir); | |
bbefb8dd MD |
467 | error: |
468 | return ret; | |
469 | } | |
470 | ||
471 | static | |
472 | int ctf_open_trace_write(struct trace_descriptor *td, const char *path, int flags) | |
473 | { | |
474 | int ret; | |
475 | ||
476 | ret = mkdir(path, S_IRWXU|S_IRWXG); | |
477 | if (ret) | |
478 | return ret; | |
479 | ||
65102a8c MD |
480 | /* Open trace directory */ |
481 | td->ctf_trace.dir = opendir(path); | |
482 | if (!td->ctf_trace.dir) { | |
483 | fprintf(stdout, "Unable to open trace directory.\n"); | |
484 | ret = -ENOENT; | |
485 | goto error; | |
486 | } | |
487 | ||
488 | ||
bbefb8dd | 489 | return 0; |
65102a8c MD |
490 | |
491 | error: | |
492 | return ret; | |
bbefb8dd MD |
493 | } |
494 | ||
495 | struct trace_descriptor *ctf_open_trace(const char *path, int flags) | |
496 | { | |
497 | struct trace_descriptor *td; | |
498 | int ret; | |
499 | ||
65102a8c | 500 | td = g_new0(struct trace_descriptor, 1); |
bbefb8dd MD |
501 | |
502 | switch (flags) { | |
503 | case O_RDONLY: | |
504 | ret = ctf_open_trace_read(td, path, flags); | |
505 | if (ret) | |
506 | goto error; | |
507 | break; | |
508 | case O_WRONLY: | |
509 | ret = ctf_open_trace_write(td, path, flags); | |
510 | if (ret) | |
511 | goto error; | |
512 | break; | |
513 | default: | |
514 | fprintf(stdout, "Incorrect open flags.\n"); | |
515 | goto error; | |
516 | } | |
517 | ||
518 | return td; | |
519 | error: | |
520 | g_free(td); | |
521 | return NULL; | |
522 | } | |
523 | ||
0f980a35 MD |
524 | static |
525 | void ctf_close_file_stream(struct ctf_file_stream *file_stream) | |
526 | { | |
527 | (void) g_array_free(file_stream->pos.packet_index, TRUE); | |
528 | close(file_stream->pos.fd); | |
529 | } | |
530 | ||
bbefb8dd MD |
531 | void ctf_close_trace(struct trace_descriptor *td) |
532 | { | |
0f980a35 MD |
533 | int i; |
534 | ||
535 | if (td->ctf_trace.streams) { | |
536 | for (i = 0; i < td->ctf_trace.streams->len; i++) { | |
537 | struct ctf_stream *stream; | |
538 | int j; | |
539 | ||
540 | stream = g_ptr_array_index(td->ctf_trace.streams, i); | |
541 | for (j = 0; j < stream->files->len; j++) { | |
542 | struct ctf_file_stream *file_stream; | |
543 | file_stream = g_ptr_array_index(td->ctf_trace.streams, j); | |
544 | ctf_close_file_stream(file_stream); | |
545 | } | |
546 | ||
547 | } | |
548 | g_ptr_array_free(td->ctf_trace.streams, TRUE); | |
549 | } | |
bbefb8dd MD |
550 | closedir(td->ctf_trace.dir); |
551 | g_free(td); | |
552 | } | |
553 | ||
7fb21036 | 554 | void __attribute__((constructor)) ctf_init(void) |
fc93b2bd MD |
555 | { |
556 | int ret; | |
557 | ||
4c8bfb7e | 558 | ctf_format.name = g_quark_from_static_string("ctf"); |
fc93b2bd MD |
559 | ret = bt_register_format(&ctf_format); |
560 | assert(!ret); | |
561 | } | |
698f0fe4 MD |
562 | |
563 | /* TODO: finalize */ |