Commit | Line | Data |
---|---|---|
fc93b2bd MD |
1 | /* |
2 | * BabelTrace - Common Trace Format (CTF) | |
3 | * | |
4 | * Format registration. | |
5 | * | |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
fc93b2bd | 9 | * |
ccd7e1c8 MD |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
fc93b2bd | 16 | * |
ccd7e1c8 MD |
17 | * The above copyright notice and this permission notice shall be included in |
18 | * all copies or substantial portions of the Software. | |
fc93b2bd MD |
19 | */ |
20 | ||
21 | #include <babeltrace/format.h> | |
22 | #include <babeltrace/ctf/types.h> | |
bbefb8dd | 23 | #include <babeltrace/ctf/metadata.h> |
70bd0a12 | 24 | #include <babeltrace/babeltrace-internal.h> |
0f980a35 | 25 | #include <inttypes.h> |
b4c19c1e | 26 | #include <stdio.h> |
0f980a35 MD |
27 | #include <uuid/uuid.h> |
28 | #include <sys/mman.h> | |
bbefb8dd | 29 | #include <errno.h> |
b4c19c1e | 30 | #include <endian.h> |
bbefb8dd | 31 | #include <sys/types.h> |
65102a8c | 32 | #include <sys/stat.h> |
bbefb8dd | 33 | #include <fcntl.h> |
65102a8c | 34 | #include <dirent.h> |
bbefb8dd | 35 | #include <glib.h> |
65102a8c MD |
36 | #include <unistd.h> |
37 | #include <stdlib.h> | |
38 | ||
65102a8c MD |
39 | #include "metadata/ctf-scanner.h" |
40 | #include "metadata/ctf-parser.h" | |
41 | #include "metadata/ctf-ast.h" | |
42 | ||
0f980a35 MD |
43 | /* |
44 | * We currently simply map a page to read the packet header and packet | |
8c572eba | 45 | * context to get the packet length and content length. (in bits) |
0f980a35 | 46 | */ |
8c572eba MD |
47 | #define MAX_PACKET_HEADER_LEN (getpagesize() * CHAR_BIT) |
48 | #define WRITE_PACKET_LEN (getpagesize() * 8 * CHAR_BIT) | |
0f980a35 MD |
49 | #define UUID_LEN 16 /* uuid by value len */ |
50 | ||
a0fe7d97 MD |
51 | #ifndef min |
52 | #define min(a, b) (((a) < (b)) ? (a) : (b)) | |
53 | #endif | |
54 | ||
65102a8c | 55 | extern int yydebug; |
bbefb8dd | 56 | |
e9378815 | 57 | static |
8c250d87 | 58 | struct trace_descriptor *ctf_open_trace(const char *collection_path, const char *path, int flags, |
b086c01a | 59 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, |
ae23d232 | 60 | int whence), FILE *metadata_fp); |
e9378815 | 61 | static |
f571dfb1 JD |
62 | struct trace_descriptor *ctf_open_mmap_trace( |
63 | struct mmap_stream_list *mmap_list, | |
64 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, int whence), | |
65 | FILE *metadata_fp); | |
66 | ||
67 | static | |
bbefb8dd | 68 | void ctf_close_trace(struct trace_descriptor *descriptor); |
fc93b2bd | 69 | |
1ae19169 MD |
70 | static |
71 | rw_dispatch read_dispatch_table[] = { | |
d11e9c49 MD |
72 | [ CTF_TYPE_INTEGER ] = ctf_integer_read, |
73 | [ CTF_TYPE_FLOAT ] = ctf_float_read, | |
74 | [ CTF_TYPE_ENUM ] = ctf_enum_read, | |
75 | [ CTF_TYPE_STRING ] = ctf_string_read, | |
76 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
77 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
78 | [ CTF_TYPE_ARRAY ] = ctf_array_read, |
79 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_read, | |
d11e9c49 MD |
80 | }; |
81 | ||
1ae19169 MD |
82 | static |
83 | rw_dispatch write_dispatch_table[] = { | |
d11e9c49 MD |
84 | [ CTF_TYPE_INTEGER ] = ctf_integer_write, |
85 | [ CTF_TYPE_FLOAT ] = ctf_float_write, | |
86 | [ CTF_TYPE_ENUM ] = ctf_enum_write, | |
87 | [ CTF_TYPE_STRING ] = ctf_string_write, | |
88 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
89 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
90 | [ CTF_TYPE_ARRAY ] = ctf_array_write, |
91 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_write, | |
d11e9c49 MD |
92 | }; |
93 | ||
1ae19169 | 94 | static |
d11e9c49 | 95 | struct format ctf_format = { |
bbefb8dd | 96 | .open_trace = ctf_open_trace, |
f571dfb1 | 97 | .open_mmap_trace = ctf_open_mmap_trace, |
bbefb8dd | 98 | .close_trace = ctf_close_trace, |
fc93b2bd MD |
99 | }; |
100 | ||
2b9a764d MD |
101 | static |
102 | void ctf_update_timestamp(struct ctf_stream *stream, | |
103 | struct definition_integer *integer_definition) | |
104 | { | |
105 | struct declaration_integer *integer_declaration = | |
106 | integer_definition->declaration; | |
107 | uint64_t oldval, newval, updateval; | |
108 | ||
7f3f572b | 109 | if (unlikely(integer_declaration->len == 64)) { |
2b9a764d MD |
110 | stream->timestamp = integer_definition->value._unsigned; |
111 | return; | |
112 | } | |
113 | /* keep low bits */ | |
114 | oldval = stream->timestamp; | |
115 | oldval &= (1ULL << integer_declaration->len) - 1; | |
116 | newval = integer_definition->value._unsigned; | |
117 | /* Test for overflow by comparing low bits */ | |
118 | if (newval < oldval) | |
119 | newval += 1ULL << integer_declaration->len; | |
120 | /* updateval contains old high bits, and new low bits (sum) */ | |
121 | updateval = stream->timestamp; | |
122 | updateval &= ~((1ULL << integer_declaration->len) - 1); | |
123 | updateval += newval; | |
124 | stream->timestamp = updateval; | |
125 | } | |
126 | ||
31262354 | 127 | static |
764af3f4 | 128 | int ctf_read_event(struct stream_pos *ppos, struct ctf_stream *stream) |
31262354 MD |
129 | { |
130 | struct ctf_stream_pos *pos = | |
131 | container_of(ppos, struct ctf_stream_pos, parent); | |
764af3f4 | 132 | struct ctf_stream_class *stream_class = stream->stream_class; |
42dc00b7 | 133 | struct ctf_stream_event *event; |
31262354 | 134 | uint64_t id = 0; |
31262354 MD |
135 | int ret; |
136 | ||
3abe83c7 MD |
137 | /* We need to check for EOF here for empty files. */ |
138 | if (unlikely(pos->offset == EOF)) | |
139 | return EOF; | |
140 | ||
5f643ed7 MD |
141 | ctf_pos_get_event(pos); |
142 | ||
3abe83c7 MD |
143 | /* |
144 | * This is the EOF check after we've advanced the position in | |
145 | * ctf_pos_get_event. | |
146 | */ | |
7f3f572b | 147 | if (unlikely(pos->offset == EOF)) |
31262354 | 148 | return EOF; |
5f643ed7 | 149 | assert(pos->offset < pos->content_size); |
31262354 MD |
150 | |
151 | /* Read event header */ | |
7f3f572b | 152 | if (likely(stream->stream_event_header)) { |
a35173fe | 153 | struct definition_integer *integer_definition; |
ccdb988e | 154 | struct definition *variant; |
a35173fe | 155 | |
e28d4618 | 156 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
7f3f572b | 157 | if (unlikely(ret)) |
31262354 MD |
158 | goto error; |
159 | /* lookup event id */ | |
e28d4618 | 160 | integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
161 | if (integer_definition) { |
162 | id = integer_definition->value._unsigned; | |
163 | } else { | |
164 | struct definition_enum *enum_definition; | |
165 | ||
e28d4618 | 166 | enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
167 | if (enum_definition) { |
168 | id = enum_definition->integer->value._unsigned; | |
169 | } | |
31262354 | 170 | } |
764af3f4 | 171 | |
e28d4618 | 172 | variant = lookup_variant(&stream->stream_event_header->p, "v"); |
ccdb988e MD |
173 | if (variant) { |
174 | integer_definition = lookup_integer(variant, "id", FALSE); | |
175 | if (integer_definition) { | |
176 | id = integer_definition->value._unsigned; | |
177 | } | |
178 | } | |
c87a8eb2 | 179 | stream->event_id = id; |
ccdb988e | 180 | |
764af3f4 | 181 | /* lookup timestamp */ |
5e2eb0ae | 182 | stream->has_timestamp = 0; |
e28d4618 | 183 | integer_definition = lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE); |
a35173fe | 184 | if (integer_definition) { |
2b9a764d | 185 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 186 | stream->has_timestamp = 1; |
a35173fe | 187 | } else { |
ccdb988e MD |
188 | if (variant) { |
189 | integer_definition = lookup_integer(variant, "timestamp", FALSE); | |
a35173fe | 190 | if (integer_definition) { |
2b9a764d | 191 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 192 | stream->has_timestamp = 1; |
a35173fe MD |
193 | } |
194 | } | |
764af3f4 | 195 | } |
31262354 MD |
196 | } |
197 | ||
198 | /* Read stream-declared event context */ | |
e28d4618 MD |
199 | if (stream->stream_event_context) { |
200 | ret = generic_rw(ppos, &stream->stream_event_context->p); | |
31262354 MD |
201 | if (ret) |
202 | goto error; | |
203 | } | |
204 | ||
7f3f572b | 205 | if (unlikely(id >= stream_class->events_by_id->len)) { |
31262354 MD |
206 | fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id); |
207 | return -EINVAL; | |
208 | } | |
e28d4618 | 209 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 210 | if (unlikely(!event)) { |
31262354 MD |
211 | fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id); |
212 | return -EINVAL; | |
213 | } | |
214 | ||
215 | /* Read event-declared event context */ | |
e28d4618 MD |
216 | if (event->event_context) { |
217 | ret = generic_rw(ppos, &event->event_context->p); | |
31262354 MD |
218 | if (ret) |
219 | goto error; | |
220 | } | |
221 | ||
222 | /* Read event payload */ | |
7f3f572b | 223 | if (likely(event->event_fields)) { |
e28d4618 | 224 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
225 | if (ret) |
226 | goto error; | |
227 | } | |
228 | ||
229 | return 0; | |
230 | ||
231 | error: | |
232 | fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); | |
233 | return ret; | |
234 | } | |
235 | ||
236 | static | |
764af3f4 | 237 | int ctf_write_event(struct stream_pos *pos, struct ctf_stream *stream) |
31262354 | 238 | { |
764af3f4 | 239 | struct ctf_stream_class *stream_class = stream->stream_class; |
42dc00b7 | 240 | struct ctf_stream_event *event; |
c87a8eb2 | 241 | uint64_t id; |
31262354 MD |
242 | int ret; |
243 | ||
c87a8eb2 MD |
244 | id = stream->event_id; |
245 | ||
31262354 | 246 | /* print event header */ |
7f3f572b | 247 | if (likely(stream->stream_event_header)) { |
e28d4618 | 248 | ret = generic_rw(pos, &stream->stream_event_header->p); |
31262354 MD |
249 | if (ret) |
250 | goto error; | |
251 | } | |
252 | ||
253 | /* print stream-declared event context */ | |
e28d4618 MD |
254 | if (stream->stream_event_context) { |
255 | ret = generic_rw(pos, &stream->stream_event_context->p); | |
31262354 MD |
256 | if (ret) |
257 | goto error; | |
258 | } | |
259 | ||
7f3f572b | 260 | if (unlikely(id >= stream_class->events_by_id->len)) { |
31262354 MD |
261 | fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id); |
262 | return -EINVAL; | |
263 | } | |
e28d4618 | 264 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 265 | if (unlikely(!event)) { |
31262354 MD |
266 | fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id); |
267 | return -EINVAL; | |
268 | } | |
269 | ||
270 | /* print event-declared event context */ | |
e28d4618 MD |
271 | if (event->event_context) { |
272 | ret = generic_rw(pos, &event->event_context->p); | |
31262354 MD |
273 | if (ret) |
274 | goto error; | |
275 | } | |
276 | ||
277 | /* Read and print event payload */ | |
7f3f572b | 278 | if (likely(event->event_fields)) { |
e28d4618 | 279 | ret = generic_rw(pos, &event->event_fields->p); |
31262354 MD |
280 | if (ret) |
281 | goto error; | |
282 | } | |
283 | ||
284 | return 0; | |
285 | ||
286 | error: | |
287 | fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); | |
288 | return ret; | |
289 | } | |
290 | ||
8563e754 | 291 | void ctf_init_pos(struct ctf_stream_pos *pos, int fd, int open_flags) |
8c572eba MD |
292 | { |
293 | pos->fd = fd; | |
294 | pos->mmap_offset = 0; | |
295 | pos->packet_size = 0; | |
296 | pos->content_size = 0; | |
297 | pos->content_size_loc = NULL; | |
298 | pos->base = NULL; | |
299 | pos->offset = 0; | |
300 | pos->dummy = false; | |
8c572eba | 301 | pos->cur_index = 0; |
8563e754 MD |
302 | if (fd >= 0) |
303 | pos->packet_index = g_array_new(FALSE, TRUE, | |
304 | sizeof(struct packet_index)); | |
305 | else | |
306 | pos->packet_index = NULL; | |
8563e754 MD |
307 | switch (open_flags & O_ACCMODE) { |
308 | case O_RDONLY: | |
309 | pos->prot = PROT_READ; | |
310 | pos->flags = MAP_PRIVATE; | |
311 | pos->parent.rw_table = read_dispatch_table; | |
31262354 | 312 | pos->parent.event_cb = ctf_read_event; |
8563e754 | 313 | break; |
8563e754 MD |
314 | case O_RDWR: |
315 | pos->prot = PROT_WRITE; /* Write has priority */ | |
316 | pos->flags = MAP_SHARED; | |
317 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 318 | pos->parent.event_cb = ctf_write_event; |
8563e754 | 319 | if (fd >= 0) |
847bf71a | 320 | ctf_move_pos_slow(pos, 0, SEEK_SET); /* position for write */ |
8563e754 MD |
321 | break; |
322 | default: | |
323 | assert(0); | |
8c572eba MD |
324 | } |
325 | } | |
326 | ||
46322b33 | 327 | void ctf_fini_pos(struct ctf_stream_pos *pos) |
8c572eba MD |
328 | { |
329 | int ret; | |
330 | ||
331 | if (pos->prot == PROT_WRITE && pos->content_size_loc) | |
332 | *pos->content_size_loc = pos->offset; | |
333 | if (pos->base) { | |
334 | /* unmap old base */ | |
335 | ret = munmap(pos->base, pos->packet_size / CHAR_BIT); | |
336 | if (ret) { | |
46322b33 | 337 | fprintf(stdout, "[error] Unable to unmap old base: %s.\n", |
8c572eba MD |
338 | strerror(errno)); |
339 | assert(0); | |
340 | } | |
341 | } | |
342 | (void) g_array_free(pos->packet_index, TRUE); | |
343 | } | |
344 | ||
847bf71a | 345 | void ctf_move_pos_slow(struct ctf_stream_pos *pos, size_t offset, int whence) |
0f980a35 | 346 | { |
75cc2c35 MD |
347 | struct ctf_file_stream *file_stream = |
348 | container_of(pos, struct ctf_file_stream, pos); | |
0f980a35 | 349 | int ret; |
8c572eba MD |
350 | off_t off; |
351 | struct packet_index *index; | |
0f980a35 | 352 | |
8c572eba MD |
353 | if (pos->prot == PROT_WRITE && pos->content_size_loc) |
354 | *pos->content_size_loc = pos->offset; | |
0f980a35 MD |
355 | |
356 | if (pos->base) { | |
357 | /* unmap old base */ | |
8c572eba | 358 | ret = munmap(pos->base, pos->packet_size / CHAR_BIT); |
0f980a35 | 359 | if (ret) { |
46322b33 | 360 | fprintf(stdout, "[error] Unable to unmap old base: %s.\n", |
0f980a35 MD |
361 | strerror(errno)); |
362 | assert(0); | |
363 | } | |
847bf71a | 364 | pos->base = NULL; |
0f980a35 MD |
365 | } |
366 | ||
8c572eba | 367 | /* |
46322b33 | 368 | * The caller should never ask for ctf_move_pos across packets, |
8c572eba MD |
369 | * except to get exactly at the beginning of the next packet. |
370 | */ | |
371 | if (pos->prot == PROT_WRITE) { | |
989c73bc MD |
372 | switch (whence) { |
373 | case SEEK_CUR: | |
374 | /* The writer will add padding */ | |
375 | assert(pos->offset + offset == pos->packet_size); | |
8c572eba | 376 | pos->mmap_offset += WRITE_PACKET_LEN / CHAR_BIT; |
989c73bc MD |
377 | break; |
378 | case SEEK_SET: | |
379 | assert(offset == 0); /* only seek supported for now */ | |
380 | pos->cur_index = 0; | |
381 | break; | |
382 | default: | |
383 | assert(0); | |
384 | } | |
8c572eba MD |
385 | pos->content_size = -1U; /* Unknown at this point */ |
386 | pos->packet_size = WRITE_PACKET_LEN; | |
989c73bc MD |
387 | off = posix_fallocate(pos->fd, pos->mmap_offset, |
388 | pos->packet_size / CHAR_BIT); | |
8c572eba | 389 | assert(off >= 0); |
847bf71a | 390 | pos->offset = 0; |
8c572eba | 391 | } else { |
5f643ed7 | 392 | read_next_packet: |
847bf71a MD |
393 | switch (whence) { |
394 | case SEEK_CUR: | |
5f643ed7 MD |
395 | if (pos->offset == EOF) |
396 | return; | |
847bf71a MD |
397 | /* The reader will expect us to skip padding */ |
398 | assert(pos->offset + offset == pos->content_size); | |
8c572eba | 399 | ++pos->cur_index; |
847bf71a MD |
400 | break; |
401 | case SEEK_SET: | |
402 | assert(offset == 0); /* only seek supported for now */ | |
403 | pos->cur_index = 0; | |
404 | break; | |
405 | default: | |
406 | assert(0); | |
407 | } | |
408 | if (pos->cur_index >= pos->packet_index->len) { | |
670977d3 | 409 | pos->offset = EOF; |
847bf71a MD |
410 | return; |
411 | } | |
8c572eba MD |
412 | index = &g_array_index(pos->packet_index, struct packet_index, |
413 | pos->cur_index); | |
414 | pos->mmap_offset = index->offset; | |
415 | ||
416 | /* Lookup context/packet size in index */ | |
2d0bea29 | 417 | file_stream->parent.timestamp = index->timestamp_begin; |
8c572eba MD |
418 | pos->content_size = index->content_size; |
419 | pos->packet_size = index->packet_size; | |
5f643ed7 | 420 | if (index->data_offset < index->content_size) { |
75cc2c35 | 421 | pos->offset = 0; /* will read headers */ |
5f643ed7 MD |
422 | } else if (index->data_offset == index->content_size) { |
423 | /* empty packet */ | |
424 | pos->offset = index->data_offset; | |
425 | offset = 0; | |
3abe83c7 | 426 | whence = SEEK_CUR; |
5f643ed7 | 427 | goto read_next_packet; |
7eda6fc7 | 428 | } else { |
2b9a764d MD |
429 | pos->offset = EOF; |
430 | return; | |
431 | } | |
8c572eba | 432 | } |
0f980a35 | 433 | /* map new base. Need mapping length from header. */ |
8c572eba MD |
434 | pos->base = mmap(NULL, pos->packet_size / CHAR_BIT, pos->prot, |
435 | pos->flags, pos->fd, pos->mmap_offset); | |
847bf71a MD |
436 | if (pos->base == MAP_FAILED) { |
437 | fprintf(stdout, "[error] mmap error %s.\n", | |
438 | strerror(errno)); | |
439 | assert(0); | |
440 | } | |
75cc2c35 MD |
441 | |
442 | /* update trace_packet_header and stream_packet_context */ | |
2d0bea29 | 443 | if (pos->prot != PROT_WRITE && file_stream->parent.trace_packet_header) { |
75cc2c35 | 444 | /* Read packet header */ |
2d0bea29 | 445 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); |
75cc2c35 MD |
446 | assert(!ret); |
447 | } | |
2d0bea29 | 448 | if (pos->prot != PROT_WRITE && file_stream->parent.stream_packet_context) { |
75cc2c35 | 449 | /* Read packet context */ |
2d0bea29 | 450 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); |
75cc2c35 MD |
451 | assert(!ret); |
452 | } | |
0f980a35 MD |
453 | } |
454 | ||
b4c19c1e MD |
455 | static |
456 | int packet_metadata(struct ctf_trace *td, FILE *fp) | |
457 | { | |
458 | uint32_t magic; | |
459 | size_t len; | |
460 | int ret = 0; | |
461 | ||
462 | len = fread(&magic, sizeof(magic), 1, fp); | |
a0fe7d97 | 463 | if (len != 1) { |
b4c19c1e MD |
464 | goto end; |
465 | } | |
466 | if (magic == TSDL_MAGIC) { | |
467 | ret = 1; | |
468 | td->byte_order = BYTE_ORDER; | |
0d336fdf | 469 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
470 | } else if (magic == GUINT32_SWAP_LE_BE(TSDL_MAGIC)) { |
471 | ret = 1; | |
472 | td->byte_order = (BYTE_ORDER == BIG_ENDIAN) ? | |
473 | LITTLE_ENDIAN : BIG_ENDIAN; | |
0d336fdf | 474 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
475 | } |
476 | end: | |
477 | rewind(fp); | |
478 | return ret; | |
479 | } | |
480 | ||
5c262147 MD |
481 | /* |
482 | * Returns 0 on success, -1 on error. | |
483 | */ | |
484 | static | |
485 | int check_version(unsigned int major, unsigned int minor) | |
486 | { | |
487 | switch (major) { | |
488 | case 1: | |
489 | switch (minor) { | |
490 | case 8: | |
491 | return 0; | |
492 | default: | |
493 | goto warning; | |
494 | } | |
495 | default: | |
496 | goto warning; | |
497 | ||
498 | } | |
499 | ||
500 | /* eventually return an error instead of warning */ | |
501 | warning: | |
502 | fprintf(stdout, "[warning] Unsupported CTF specification version %u.%u. Trying anyway.\n", | |
503 | major, minor); | |
504 | return 0; | |
505 | } | |
506 | ||
b4c19c1e MD |
507 | static |
508 | int ctf_open_trace_metadata_packet_read(struct ctf_trace *td, FILE *in, | |
509 | FILE *out) | |
510 | { | |
511 | struct metadata_packet_header header; | |
a0fe7d97 | 512 | size_t readlen, writelen, toread; |
f8254867 | 513 | char buf[4096 + 1]; /* + 1 for debug-mode \0 */ |
b4c19c1e MD |
514 | int ret = 0; |
515 | ||
a91a962e | 516 | readlen = fread(&header, header_sizeof(header), 1, in); |
a0fe7d97 | 517 | if (readlen < 1) |
b4c19c1e MD |
518 | return -EINVAL; |
519 | ||
520 | if (td->byte_order != BYTE_ORDER) { | |
521 | header.magic = GUINT32_SWAP_LE_BE(header.magic); | |
522 | header.checksum = GUINT32_SWAP_LE_BE(header.checksum); | |
523 | header.content_size = GUINT32_SWAP_LE_BE(header.content_size); | |
524 | header.packet_size = GUINT32_SWAP_LE_BE(header.packet_size); | |
525 | } | |
526 | if (header.checksum) | |
527 | fprintf(stdout, "[warning] checksum verification not supported yet.\n"); | |
528 | if (header.compression_scheme) { | |
529 | fprintf(stdout, "[error] compression (%u) not supported yet.\n", | |
530 | header.compression_scheme); | |
531 | return -EINVAL; | |
532 | } | |
533 | if (header.encryption_scheme) { | |
534 | fprintf(stdout, "[error] encryption (%u) not supported yet.\n", | |
535 | header.encryption_scheme); | |
536 | return -EINVAL; | |
537 | } | |
538 | if (header.checksum_scheme) { | |
539 | fprintf(stdout, "[error] checksum (%u) not supported yet.\n", | |
540 | header.checksum_scheme); | |
541 | return -EINVAL; | |
542 | } | |
5c262147 MD |
543 | if (check_version(header.major, header.minor) < 0) |
544 | return -EINVAL; | |
b4c19c1e MD |
545 | if (!CTF_TRACE_FIELD_IS_SET(td, uuid)) { |
546 | memcpy(td->uuid, header.uuid, sizeof(header.uuid)); | |
547 | CTF_TRACE_SET_FIELD(td, uuid); | |
548 | } else { | |
549 | if (uuid_compare(header.uuid, td->uuid)) | |
550 | return -EINVAL; | |
551 | } | |
552 | ||
255b2138 | 553 | toread = (header.content_size / CHAR_BIT) - header_sizeof(header); |
a0fe7d97 MD |
554 | |
555 | for (;;) { | |
f8254867 | 556 | readlen = fread(buf, sizeof(char), min(sizeof(buf) - 1, toread), in); |
b4c19c1e MD |
557 | if (ferror(in)) { |
558 | ret = -EINVAL; | |
559 | break; | |
560 | } | |
4152822b | 561 | if (babeltrace_debug) { |
f8254867 | 562 | buf[readlen] = '\0'; |
4152822b MD |
563 | fprintf(stdout, "[debug] metadata packet read: %s\n", |
564 | buf); | |
565 | } | |
566 | ||
b4c19c1e MD |
567 | writelen = fwrite(buf, sizeof(char), readlen, out); |
568 | if (writelen < readlen) { | |
569 | ret = -EIO; | |
570 | break; | |
571 | } | |
572 | if (ferror(out)) { | |
573 | ret = -EINVAL; | |
574 | break; | |
575 | } | |
a0fe7d97 MD |
576 | toread -= readlen; |
577 | if (!toread) { | |
7f4b5c4d | 578 | ret = 0; /* continue reading next packet */ |
ddbc52af | 579 | goto read_padding; |
a0fe7d97 | 580 | } |
b4c19c1e MD |
581 | } |
582 | return ret; | |
ddbc52af MD |
583 | |
584 | read_padding: | |
585 | toread = (header.packet_size - header.content_size) / CHAR_BIT; | |
586 | ret = fseek(in, toread, SEEK_CUR); | |
587 | if (ret < 0) { | |
588 | fprintf(stdout, "[warning] Missing padding at end of file\n"); | |
589 | ret = 0; | |
590 | } | |
591 | return ret; | |
b4c19c1e MD |
592 | } |
593 | ||
594 | static | |
595 | int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp, | |
596 | char **buf) | |
597 | { | |
598 | FILE *in, *out; | |
599 | size_t size; | |
600 | int ret; | |
601 | ||
602 | in = *fp; | |
c4f5487e MD |
603 | /* |
604 | * Using strlen on *buf instead of size of open_memstream | |
605 | * because its size includes garbage at the end (after final | |
606 | * \0). This is the allocated size, not the actual string size. | |
607 | */ | |
b4c19c1e | 608 | out = open_memstream(buf, &size); |
a569a564 MD |
609 | if (out == NULL) { |
610 | perror("Metadata open_memstream"); | |
b4c19c1e | 611 | return -errno; |
a569a564 | 612 | } |
b4c19c1e MD |
613 | for (;;) { |
614 | ret = ctf_open_trace_metadata_packet_read(td, in, out); | |
7f4b5c4d | 615 | if (ret) { |
b4c19c1e | 616 | break; |
7f4b5c4d MD |
617 | } |
618 | if (feof(in)) { | |
619 | ret = 0; | |
b4c19c1e MD |
620 | break; |
621 | } | |
622 | } | |
623 | fclose(out); /* flush the buffer */ | |
624 | fclose(in); | |
625 | /* open for reading */ | |
c4f5487e | 626 | *fp = fmemopen(*buf, strlen(*buf), "rb"); |
a569a564 MD |
627 | if (!*fp) { |
628 | perror("Metadata fmemopen"); | |
629 | return -errno; | |
630 | } | |
b4c19c1e MD |
631 | return 0; |
632 | } | |
633 | ||
65102a8c | 634 | static |
b086c01a JD |
635 | int ctf_open_trace_metadata_read(struct ctf_trace *td, |
636 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, | |
ae23d232 | 637 | int whence), FILE *metadata_fp) |
65102a8c MD |
638 | { |
639 | struct ctf_scanner *scanner; | |
2d0bea29 | 640 | struct ctf_file_stream *metadata_stream; |
65102a8c | 641 | FILE *fp; |
b4c19c1e | 642 | char *buf = NULL; |
65102a8c MD |
643 | int ret = 0; |
644 | ||
2d0bea29 | 645 | metadata_stream = g_new0(struct ctf_file_stream, 1); |
b086c01a JD |
646 | |
647 | if (move_pos_slow) { | |
648 | metadata_stream->pos.move_pos_slow = move_pos_slow; | |
649 | } else { | |
650 | fprintf(stderr, "[error] move_pos_slow function undefined.\n"); | |
651 | ret = -1; | |
652 | goto end_stream; | |
653 | } | |
654 | ||
ae23d232 JD |
655 | if (metadata_fp) { |
656 | fp = metadata_fp; | |
657 | } else { | |
658 | td->metadata = &metadata_stream->parent; | |
659 | metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY); | |
660 | if (metadata_stream->pos.fd < 0) { | |
661 | fprintf(stdout, "Unable to open metadata.\n"); | |
662 | return metadata_stream->pos.fd; | |
663 | } | |
65102a8c | 664 | |
ae23d232 JD |
665 | fp = fdopen(metadata_stream->pos.fd, "r"); |
666 | if (!fp) { | |
667 | fprintf(stdout, "[error] Unable to open metadata stream.\n"); | |
a569a564 | 668 | perror("Metadata stream open"); |
ae23d232 JD |
669 | ret = -errno; |
670 | goto end_stream; | |
671 | } | |
672 | } | |
65102a8c MD |
673 | if (babeltrace_debug) |
674 | yydebug = 1; | |
675 | ||
b4c19c1e MD |
676 | if (packet_metadata(td, fp)) { |
677 | ret = ctf_open_trace_metadata_stream_read(td, &fp, &buf); | |
678 | if (ret) | |
679 | goto end_packet_read; | |
da75b0f7 | 680 | } else { |
5c262147 MD |
681 | unsigned int major, minor; |
682 | ssize_t nr_items; | |
8c2df3f5 | 683 | |
da75b0f7 | 684 | td->byte_order = BYTE_ORDER; |
8c2df3f5 | 685 | |
5c262147 MD |
686 | /* Check text-only metadata header and version */ |
687 | nr_items = fscanf(fp, "/* CTF %u.%u", &major, &minor); | |
688 | if (nr_items < 2) | |
689 | fprintf(stdout, "[warning] Ill-shapen or missing \"/* CTF x.y\" header for text-only metadata.\n"); | |
690 | if (check_version(major, minor) < 0) { | |
691 | ret = -EINVAL; | |
692 | goto end_packet_read; | |
693 | } | |
8c2df3f5 | 694 | rewind(fp); |
b4c19c1e MD |
695 | } |
696 | ||
65102a8c MD |
697 | scanner = ctf_scanner_alloc(fp); |
698 | if (!scanner) { | |
46322b33 | 699 | fprintf(stdout, "[error] Error allocating scanner\n"); |
65102a8c MD |
700 | ret = -ENOMEM; |
701 | goto end_scanner_alloc; | |
702 | } | |
703 | ret = ctf_scanner_append_ast(scanner); | |
704 | if (ret) { | |
46322b33 | 705 | fprintf(stdout, "[error] Error creating AST\n"); |
65102a8c MD |
706 | goto end; |
707 | } | |
708 | ||
709 | if (babeltrace_debug) { | |
710 | ret = ctf_visitor_print_xml(stdout, 0, &scanner->ast->root); | |
711 | if (ret) { | |
46322b33 | 712 | fprintf(stdout, "[error] Error visiting AST for XML output\n"); |
65102a8c MD |
713 | goto end; |
714 | } | |
715 | } | |
716 | ||
717 | ret = ctf_visitor_semantic_check(stdout, 0, &scanner->ast->root); | |
718 | if (ret) { | |
46322b33 | 719 | fprintf(stdout, "[error] Error in CTF semantic validation %d\n", ret); |
65102a8c MD |
720 | goto end; |
721 | } | |
722 | ret = ctf_visitor_construct_metadata(stdout, 0, &scanner->ast->root, | |
ac5c6ca0 | 723 | td, td->byte_order); |
65102a8c | 724 | if (ret) { |
46322b33 | 725 | fprintf(stdout, "[error] Error in CTF metadata constructor %d\n", ret); |
65102a8c MD |
726 | goto end; |
727 | } | |
728 | end: | |
729 | ctf_scanner_free(scanner); | |
730 | end_scanner_alloc: | |
b4c19c1e | 731 | end_packet_read: |
65102a8c | 732 | fclose(fp); |
b4c19c1e | 733 | free(buf); |
65102a8c | 734 | end_stream: |
2d0bea29 MD |
735 | close(metadata_stream->pos.fd); |
736 | if (ret) | |
737 | g_free(metadata_stream); | |
0f980a35 MD |
738 | return ret; |
739 | } | |
740 | ||
e28d4618 | 741 | static |
42dc00b7 MD |
742 | struct ctf_stream_event *create_event_definitions(struct ctf_trace *td, |
743 | struct ctf_stream *stream, | |
744 | struct ctf_event *event) | |
e28d4618 | 745 | { |
42dc00b7 | 746 | struct ctf_stream_event *stream_event = g_new0(struct ctf_stream_event, 1); |
e28d4618 MD |
747 | |
748 | if (event->context_decl) { | |
749 | struct definition *definition = | |
750 | event->context_decl->p.definition_new(&event->context_decl->p, | |
751 | stream->parent_def_scope, 0, 0, "event.context"); | |
752 | if (!definition) { | |
753 | goto error; | |
754 | } | |
42dc00b7 | 755 | stream_event->event_context = container_of(definition, |
e28d4618 | 756 | struct definition_struct, p); |
42dc00b7 | 757 | stream->parent_def_scope = stream_event->event_context->p.scope; |
e28d4618 MD |
758 | } |
759 | if (event->fields_decl) { | |
760 | struct definition *definition = | |
761 | event->fields_decl->p.definition_new(&event->fields_decl->p, | |
762 | stream->parent_def_scope, 0, 0, "event.fields"); | |
763 | if (!definition) { | |
764 | goto error; | |
765 | } | |
42dc00b7 | 766 | stream_event->event_fields = container_of(definition, |
e28d4618 | 767 | struct definition_struct, p); |
42dc00b7 | 768 | stream->parent_def_scope = stream_event->event_fields->p.scope; |
e28d4618 | 769 | } |
42dc00b7 | 770 | return stream_event; |
e28d4618 MD |
771 | |
772 | error: | |
42dc00b7 MD |
773 | if (stream_event->event_fields) |
774 | definition_unref(&stream_event->event_fields->p); | |
775 | if (stream_event->event_context) | |
776 | definition_unref(&stream_event->event_context->p); | |
e28d4618 MD |
777 | return NULL; |
778 | } | |
779 | ||
780 | static | |
781 | int create_stream_definitions(struct ctf_trace *td, struct ctf_stream *stream) | |
782 | { | |
783 | struct ctf_stream_class *stream_class; | |
784 | int ret; | |
785 | int i; | |
786 | ||
787 | if (stream->stream_definitions_created) | |
788 | return 0; | |
789 | ||
790 | stream_class = stream->stream_class; | |
791 | ||
792 | if (stream_class->packet_context_decl) { | |
793 | struct definition *definition = | |
794 | stream_class->packet_context_decl->p.definition_new(&stream_class->packet_context_decl->p, | |
795 | stream->parent_def_scope, 0, 0, "stream.packet.context"); | |
796 | if (!definition) { | |
797 | ret = -EINVAL; | |
798 | goto error; | |
799 | } | |
800 | stream->stream_packet_context = container_of(definition, | |
801 | struct definition_struct, p); | |
802 | stream->parent_def_scope = stream->stream_packet_context->p.scope; | |
803 | } | |
804 | if (stream_class->event_header_decl) { | |
805 | struct definition *definition = | |
806 | stream_class->event_header_decl->p.definition_new(&stream_class->event_header_decl->p, | |
807 | stream->parent_def_scope, 0, 0, "stream.event.header"); | |
808 | if (!definition) { | |
809 | ret = -EINVAL; | |
810 | goto error; | |
811 | } | |
812 | stream->stream_event_header = | |
813 | container_of(definition, struct definition_struct, p); | |
814 | stream->parent_def_scope = stream->stream_event_header->p.scope; | |
815 | } | |
816 | if (stream_class->event_context_decl) { | |
817 | struct definition *definition = | |
818 | stream_class->event_context_decl->p.definition_new(&stream_class->event_context_decl->p, | |
819 | stream->parent_def_scope, 0, 0, "stream.event.context"); | |
820 | if (!definition) { | |
821 | ret = -EINVAL; | |
822 | goto error; | |
823 | } | |
824 | stream->stream_event_context = | |
825 | container_of(definition, struct definition_struct, p); | |
826 | stream->parent_def_scope = stream->stream_event_context->p.scope; | |
827 | } | |
828 | stream->events_by_id = g_ptr_array_new(); | |
829 | g_ptr_array_set_size(stream->events_by_id, stream_class->events_by_id->len); | |
830 | for (i = 0; i < stream->events_by_id->len; i++) { | |
831 | struct ctf_event *event = g_ptr_array_index(stream_class->events_by_id, i); | |
42dc00b7 | 832 | struct ctf_stream_event *stream_event; |
e28d4618 MD |
833 | |
834 | if (!event) | |
835 | continue; | |
42dc00b7 MD |
836 | stream_event = create_event_definitions(td, stream, event); |
837 | if (!stream_event) | |
e28d4618 | 838 | goto error_event; |
42dc00b7 | 839 | g_ptr_array_index(stream->events_by_id, i) = stream_event; |
e28d4618 MD |
840 | } |
841 | return 0; | |
842 | ||
843 | error_event: | |
844 | for (i = 0; i < stream->events_by_id->len; i++) { | |
42dc00b7 MD |
845 | struct ctf_stream_event *stream_event = g_ptr_array_index(stream->events_by_id, i); |
846 | if (stream_event) | |
847 | g_free(stream_event); | |
e28d4618 MD |
848 | } |
849 | g_ptr_array_free(stream->events_by_id, TRUE); | |
850 | error: | |
851 | if (stream->stream_event_context) | |
852 | definition_unref(&stream->stream_event_context->p); | |
853 | if (stream->stream_event_header) | |
854 | definition_unref(&stream->stream_event_header->p); | |
855 | if (stream->stream_packet_context) | |
856 | definition_unref(&stream->stream_packet_context->p); | |
857 | return ret; | |
858 | } | |
859 | ||
0f980a35 MD |
860 | |
861 | static | |
46322b33 | 862 | int create_stream_packet_index(struct ctf_trace *td, |
0f980a35 MD |
863 | struct ctf_file_stream *file_stream) |
864 | { | |
aa6bffae | 865 | struct ctf_stream_class *stream; |
0f980a35 | 866 | int len_index; |
46322b33 | 867 | struct ctf_stream_pos *pos; |
0f980a35 MD |
868 | struct stat filestats; |
869 | struct packet_index packet_index; | |
870 | int first_packet = 1; | |
871 | int ret; | |
872 | ||
873 | pos = &file_stream->pos; | |
874 | ||
875 | ret = fstat(pos->fd, &filestats); | |
876 | if (ret < 0) | |
877 | return ret; | |
878 | ||
8895362d MD |
879 | if (filestats.st_size < MAX_PACKET_HEADER_LEN / CHAR_BIT) |
880 | return -EINVAL; | |
881 | ||
0f980a35 MD |
882 | for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) { |
883 | uint64_t stream_id = 0; | |
884 | ||
885 | if (pos->base) { | |
886 | /* unmap old base */ | |
8c572eba | 887 | ret = munmap(pos->base, pos->packet_size / CHAR_BIT); |
0f980a35 | 888 | if (ret) { |
46322b33 | 889 | fprintf(stdout, "[error] Unable to unmap old base: %s.\n", |
0f980a35 MD |
890 | strerror(errno)); |
891 | return ret; | |
892 | } | |
8c572eba | 893 | pos->base = NULL; |
0f980a35 MD |
894 | } |
895 | /* map new base. Need mapping length from header. */ | |
8c572eba | 896 | pos->base = mmap(NULL, MAX_PACKET_HEADER_LEN / CHAR_BIT, PROT_READ, |
0f980a35 | 897 | MAP_PRIVATE, pos->fd, pos->mmap_offset); |
dc48ecad MD |
898 | pos->content_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ |
899 | pos->packet_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ | |
0f980a35 MD |
900 | pos->offset = 0; /* Position of the packet header */ |
901 | ||
8c572eba MD |
902 | packet_index.offset = pos->mmap_offset; |
903 | packet_index.content_size = 0; | |
904 | packet_index.packet_size = 0; | |
75cc2c35 MD |
905 | packet_index.timestamp_begin = 0; |
906 | packet_index.timestamp_end = 0; | |
8c572eba | 907 | |
0f980a35 | 908 | /* read and check header, set stream id (and check) */ |
2d0bea29 | 909 | if (file_stream->parent.trace_packet_header) { |
0f980a35 | 910 | /* Read packet header */ |
2d0bea29 | 911 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); |
c5e74408 MD |
912 | if (ret) |
913 | return ret; | |
2d0bea29 | 914 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic")); |
0f980a35 | 915 | if (len_index >= 0) { |
b1a2f580 | 916 | struct definition *field; |
f4c56ac2 | 917 | uint64_t magic; |
0f980a35 | 918 | |
2d0bea29 | 919 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
f4c56ac2 MD |
920 | magic = get_unsigned_int(field); |
921 | if (magic != CTF_MAGIC) { | |
d8ea2d29 | 922 | fprintf(stdout, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n", |
f4c56ac2 | 923 | magic, |
8c572eba MD |
924 | file_stream->pos.packet_index->len, |
925 | (ssize_t) pos->mmap_offset); | |
0f980a35 MD |
926 | return -EINVAL; |
927 | } | |
928 | } | |
929 | ||
930 | /* check uuid */ | |
2d0bea29 | 931 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid")); |
0f980a35 MD |
932 | if (len_index >= 0) { |
933 | struct definition_array *defarray; | |
b1a2f580 | 934 | struct definition *field; |
0f980a35 MD |
935 | uint64_t i; |
936 | uint8_t uuidval[UUID_LEN]; | |
937 | ||
2d0bea29 | 938 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
b1a2f580 MD |
939 | assert(field->declaration->id == CTF_TYPE_ARRAY); |
940 | defarray = container_of(field, struct definition_array, p); | |
3838df27 | 941 | assert(array_len(defarray) == UUID_LEN); |
0f980a35 MD |
942 | |
943 | for (i = 0; i < UUID_LEN; i++) { | |
944 | struct definition *elem; | |
0f980a35 MD |
945 | |
946 | elem = array_index(defarray, i); | |
f4c56ac2 | 947 | uuidval[i] = get_unsigned_int(elem); |
0f980a35 | 948 | } |
46322b33 | 949 | ret = uuid_compare(td->uuid, uuidval); |
0f980a35 MD |
950 | if (ret) { |
951 | fprintf(stdout, "[error] Unique Universal Identifiers do not match.\n"); | |
952 | return -EINVAL; | |
953 | } | |
954 | } | |
955 | ||
956 | ||
2d0bea29 | 957 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id")); |
0f980a35 | 958 | if (len_index >= 0) { |
b1a2f580 | 959 | struct definition *field; |
0f980a35 | 960 | |
2d0bea29 | 961 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
f4c56ac2 | 962 | stream_id = get_unsigned_int(field); |
0f980a35 MD |
963 | } |
964 | } | |
965 | ||
2d0bea29 | 966 | if (!first_packet && file_stream->parent.stream_id != stream_id) { |
0f980a35 MD |
967 | fprintf(stdout, "[error] Stream ID is changing within a stream.\n"); |
968 | return -EINVAL; | |
969 | } | |
970 | if (first_packet) { | |
2d0bea29 | 971 | file_stream->parent.stream_id = stream_id; |
46322b33 | 972 | if (stream_id >= td->streams->len) { |
0f980a35 MD |
973 | fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); |
974 | return -EINVAL; | |
975 | } | |
46322b33 | 976 | stream = g_ptr_array_index(td->streams, stream_id); |
0f980a35 MD |
977 | if (!stream) { |
978 | fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); | |
979 | return -EINVAL; | |
980 | } | |
2d0bea29 | 981 | file_stream->parent.stream_class = stream; |
01c76b24 | 982 | ret = create_stream_definitions(td, &file_stream->parent); |
862434ec MD |
983 | if (ret) |
984 | return ret; | |
0f980a35 MD |
985 | } |
986 | first_packet = 0; | |
987 | ||
2d0bea29 | 988 | if (file_stream->parent.stream_packet_context) { |
dc48ecad | 989 | /* Read packet context */ |
2d0bea29 | 990 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); |
c5e74408 MD |
991 | if (ret) |
992 | return ret; | |
dc48ecad | 993 | /* read content size from header */ |
2d0bea29 | 994 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size")); |
dc48ecad | 995 | if (len_index >= 0) { |
b1a2f580 | 996 | struct definition *field; |
dc48ecad | 997 | |
2d0bea29 | 998 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 999 | packet_index.content_size = get_unsigned_int(field); |
dc48ecad MD |
1000 | } else { |
1001 | /* Use file size for packet size */ | |
8c572eba | 1002 | packet_index.content_size = filestats.st_size * CHAR_BIT; |
dc48ecad MD |
1003 | } |
1004 | ||
1005 | /* read packet size from header */ | |
2d0bea29 | 1006 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size")); |
dc48ecad | 1007 | if (len_index >= 0) { |
b1a2f580 | 1008 | struct definition *field; |
dc48ecad | 1009 | |
2d0bea29 | 1010 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1011 | packet_index.packet_size = get_unsigned_int(field); |
dc48ecad MD |
1012 | } else { |
1013 | /* Use content size if non-zero, else file size */ | |
8c572eba | 1014 | packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT; |
dc48ecad | 1015 | } |
75cc2c35 MD |
1016 | |
1017 | /* read timestamp begin from header */ | |
2d0bea29 | 1018 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin")); |
75cc2c35 | 1019 | if (len_index >= 0) { |
75cc2c35 MD |
1020 | struct definition *field; |
1021 | ||
2d0bea29 | 1022 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1023 | packet_index.timestamp_begin = get_unsigned_int(field); |
75cc2c35 MD |
1024 | } |
1025 | ||
1026 | /* read timestamp end from header */ | |
2d0bea29 | 1027 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end")); |
75cc2c35 | 1028 | if (len_index >= 0) { |
75cc2c35 MD |
1029 | struct definition *field; |
1030 | ||
2d0bea29 | 1031 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1032 | packet_index.timestamp_end = get_unsigned_int(field); |
75cc2c35 | 1033 | } |
0f980a35 MD |
1034 | } else { |
1035 | /* Use file size for packet size */ | |
8c572eba | 1036 | packet_index.content_size = filestats.st_size * CHAR_BIT; |
0f980a35 | 1037 | /* Use content size if non-zero, else file size */ |
8c572eba | 1038 | packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT; |
0f980a35 | 1039 | } |
546293fa MD |
1040 | |
1041 | /* Validate content size and packet size values */ | |
1042 | if (packet_index.content_size > packet_index.packet_size) { | |
1043 | fprintf(stdout, "[error] Content size (%zu bits) is larger than packet size (%zu bits).\n", | |
1044 | packet_index.content_size, packet_index.packet_size); | |
1045 | return -EINVAL; | |
1046 | } | |
1047 | ||
58b0b883 MD |
1048 | if (packet_index.packet_size > (filestats.st_size - packet_index.offset) * CHAR_BIT) { |
1049 | fprintf(stdout, "[error] Packet size (%zu bits) is larger than remaining file size (%zu bits).\n", | |
5aebb2ee | 1050 | packet_index.content_size, (size_t) (filestats.st_size - packet_index.offset) * CHAR_BIT); |
546293fa MD |
1051 | return -EINVAL; |
1052 | } | |
1053 | ||
847bf71a MD |
1054 | /* Save position after header and context */ |
1055 | packet_index.data_offset = pos->offset; | |
0f980a35 | 1056 | |
0f980a35 MD |
1057 | /* add index to packet array */ |
1058 | g_array_append_val(file_stream->pos.packet_index, packet_index); | |
1059 | ||
8c572eba | 1060 | pos->mmap_offset += packet_index.packet_size / CHAR_BIT; |
0f980a35 MD |
1061 | } |
1062 | ||
847bf71a MD |
1063 | /* Move pos back to beginning of file */ |
1064 | ctf_move_pos_slow(pos, 0, SEEK_SET); /* position for write */ | |
1065 | ||
0f980a35 MD |
1066 | return 0; |
1067 | } | |
1068 | ||
e28d4618 MD |
1069 | static |
1070 | int create_trace_definitions(struct ctf_trace *td, struct ctf_stream *stream) | |
1071 | { | |
1072 | int ret; | |
1073 | ||
1074 | if (td->packet_header_decl) { | |
1075 | struct definition *definition = | |
1076 | td->packet_header_decl->p.definition_new(&td->packet_header_decl->p, | |
1077 | stream->parent_def_scope, 0, 0, "trace.packet.header"); | |
1078 | if (!definition) { | |
1079 | ret = -EINVAL; | |
1080 | goto error; | |
1081 | } | |
1082 | stream->trace_packet_header = | |
1083 | container_of(definition, struct definition_struct, p); | |
1084 | stream->parent_def_scope = stream->trace_packet_header->p.scope; | |
1085 | } | |
1086 | ||
1087 | return 0; | |
1088 | ||
1089 | error: | |
1090 | return ret; | |
1091 | } | |
1092 | ||
0f980a35 MD |
1093 | /* |
1094 | * Note: many file streams can inherit from the same stream class | |
1095 | * description (metadata). | |
1096 | */ | |
1097 | static | |
b086c01a JD |
1098 | int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags, |
1099 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, | |
1100 | int whence)) | |
0f980a35 MD |
1101 | { |
1102 | int ret; | |
1103 | struct ctf_file_stream *file_stream; | |
1104 | ||
46322b33 | 1105 | ret = openat(td->dirfd, path, flags); |
a569a564 MD |
1106 | if (ret < 0) { |
1107 | perror("File stream openat()"); | |
0f980a35 | 1108 | goto error; |
a569a564 | 1109 | } |
0f980a35 | 1110 | file_stream = g_new0(struct ctf_file_stream, 1); |
b086c01a JD |
1111 | |
1112 | if (move_pos_slow) { | |
1113 | file_stream->pos.move_pos_slow = move_pos_slow; | |
1114 | } else { | |
1115 | fprintf(stderr, "[error] move_pos_slow function undefined.\n"); | |
1116 | ret = -1; | |
1117 | goto error_def; | |
1118 | } | |
1119 | ||
8563e754 | 1120 | ctf_init_pos(&file_stream->pos, ret, flags); |
2d0bea29 | 1121 | ret = create_trace_definitions(td, &file_stream->parent); |
e28d4618 MD |
1122 | if (ret) |
1123 | goto error_def; | |
0f980a35 MD |
1124 | ret = create_stream_packet_index(td, file_stream); |
1125 | if (ret) | |
1126 | goto error_index; | |
1127 | /* Add stream file to stream class */ | |
2d0bea29 MD |
1128 | g_ptr_array_add(file_stream->parent.stream_class->streams, |
1129 | &file_stream->parent); | |
0f980a35 MD |
1130 | return 0; |
1131 | ||
1132 | error_index: | |
2d0bea29 MD |
1133 | if (file_stream->parent.trace_packet_header) |
1134 | definition_unref(&file_stream->parent.trace_packet_header->p); | |
e28d4618 | 1135 | error_def: |
46322b33 | 1136 | ctf_fini_pos(&file_stream->pos); |
0f980a35 MD |
1137 | close(file_stream->pos.fd); |
1138 | g_free(file_stream); | |
1139 | error: | |
65102a8c MD |
1140 | return ret; |
1141 | } | |
1142 | ||
8c250d87 MD |
1143 | static void |
1144 | init_domain_name(struct ctf_trace *td) | |
1145 | { | |
1146 | char *start, *end; | |
1147 | ||
1148 | start = td->path + strlen(td->collection_path); | |
1149 | start++; /* skip / */ | |
1150 | end = strchr(start, '/'); | |
1151 | if (!end) | |
1152 | return; | |
1153 | memcpy(td->domain, start, end - start); | |
1154 | td->domain[end - start] = '\0'; | |
1155 | } | |
1156 | ||
1157 | static void | |
1158 | init_proc_name(struct ctf_trace *td) | |
1159 | { | |
1160 | char buf[PATH_MAX]; | |
1161 | char *start, *end; | |
1162 | ||
1163 | if (td->domain[0] == '\0') | |
1164 | return; | |
1165 | memcpy(buf, td->path, PATH_MAX); | |
1166 | start = buf + strlen(td->collection_path); | |
1167 | start++; /* skip / */ | |
1168 | start = strchr(start, '/'); /* get begin of domain content */ | |
1169 | if (!start) | |
1170 | return; | |
1171 | start++; /* skip / */ | |
1172 | /* find last -, skips time */ | |
1173 | end = strrchr(start, '-'); | |
1174 | if (!end) | |
1175 | return; | |
1176 | *end = '\0'; | |
1177 | /* find previous -, skips date */ | |
1178 | end = strrchr(start, '-'); | |
1179 | if (!end) | |
1180 | return; | |
1181 | *end = '\0'; | |
1182 | /* find previous -, skips pid */ | |
1183 | end = strrchr(start, '-'); | |
1184 | if (!end) | |
1185 | return; | |
1186 | *end = '\0'; | |
1187 | ||
1188 | memcpy(td->procname, start, end - start); | |
1189 | td->procname[end - start] = '\0'; | |
1190 | } | |
1191 | ||
1192 | static void | |
1193 | init_vpid(struct ctf_trace *td) | |
1194 | { | |
1195 | char buf[PATH_MAX]; | |
1196 | char *start, *end; | |
1197 | ||
1198 | if (td->domain[0] == '\0') | |
1199 | return; | |
1200 | memcpy(buf, td->path, PATH_MAX); | |
1201 | start = buf + strlen(td->collection_path); | |
1202 | start++; /* skip / */ | |
1203 | start = strchr(start, '/'); /* get begin of domain content */ | |
1204 | if (!start) | |
1205 | return; | |
1206 | start++; /* skip / */ | |
1207 | /* find last -, skips time */ | |
1208 | end = strrchr(start, '-'); | |
1209 | if (!end) | |
1210 | return; | |
1211 | *end = '\0'; | |
1212 | /* find previous -, skips date */ | |
1213 | end = strrchr(start, '-'); | |
1214 | if (!end) | |
1215 | return; | |
1216 | *end = '\0'; | |
1217 | /* find previous -, skips pid */ | |
1218 | start = strrchr(start, '-'); | |
1219 | if (!start) | |
1220 | return; | |
1221 | start++; /* skip - */ | |
1222 | ||
1223 | memcpy(td->vpid, start, end - start); | |
1224 | td->vpid[end - start] = '\0'; | |
1225 | } | |
1226 | ||
bbefb8dd | 1227 | static |
8c250d87 MD |
1228 | int ctf_open_trace_read(struct ctf_trace *td, const char *collection_path, |
1229 | const char *path, int flags, | |
b086c01a | 1230 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, |
ae23d232 | 1231 | int whence), FILE *metadata_fp) |
bbefb8dd MD |
1232 | { |
1233 | int ret; | |
65102a8c MD |
1234 | struct dirent *dirent; |
1235 | struct dirent *diriter; | |
1236 | size_t dirent_len; | |
bbefb8dd | 1237 | |
46322b33 | 1238 | td->flags = flags; |
bbefb8dd MD |
1239 | |
1240 | /* Open trace directory */ | |
46322b33 MD |
1241 | td->dir = opendir(path); |
1242 | if (!td->dir) { | |
dc48ecad | 1243 | fprintf(stdout, "[error] Unable to open trace directory.\n"); |
bbefb8dd MD |
1244 | ret = -ENOENT; |
1245 | goto error; | |
1246 | } | |
1247 | ||
46322b33 MD |
1248 | td->dirfd = open(path, 0); |
1249 | if (td->dirfd < 0) { | |
dc48ecad | 1250 | fprintf(stdout, "[error] Unable to open trace directory file descriptor.\n"); |
a569a564 MD |
1251 | perror("Trace directory open"); |
1252 | ret = -errno; | |
65102a8c MD |
1253 | goto error_dirfd; |
1254 | } | |
8c250d87 MD |
1255 | strncpy(td->collection_path, collection_path, PATH_MAX); |
1256 | td->collection_path[PATH_MAX - 1] = '\0'; | |
82662ad4 MD |
1257 | strncpy(td->path, path, PATH_MAX); |
1258 | td->path[PATH_MAX - 1] = '\0'; | |
8c250d87 MD |
1259 | init_domain_name(td); |
1260 | init_proc_name(td); | |
1261 | init_vpid(td); | |
0f980a35 | 1262 | |
65102a8c MD |
1263 | /* |
1264 | * Keep the metadata file separate. | |
1265 | */ | |
bbefb8dd | 1266 | |
ae23d232 | 1267 | ret = ctf_open_trace_metadata_read(td, move_pos_slow, metadata_fp); |
65102a8c MD |
1268 | if (ret) { |
1269 | goto error_metadata; | |
1270 | } | |
bbefb8dd MD |
1271 | |
1272 | /* | |
1273 | * Open each stream: for each file, try to open, check magic | |
1274 | * number, and get the stream ID to add to the right location in | |
1275 | * the stream array. | |
bbefb8dd MD |
1276 | */ |
1277 | ||
65102a8c | 1278 | dirent_len = offsetof(struct dirent, d_name) + |
46322b33 | 1279 | fpathconf(td->dirfd, _PC_NAME_MAX) + 1; |
bbefb8dd | 1280 | |
65102a8c | 1281 | dirent = malloc(dirent_len); |
bbefb8dd | 1282 | |
65102a8c | 1283 | for (;;) { |
46322b33 | 1284 | ret = readdir_r(td->dir, dirent, &diriter); |
65102a8c | 1285 | if (ret) { |
dc48ecad | 1286 | fprintf(stdout, "[error] Readdir error.\n"); |
65102a8c | 1287 | goto readdir_error; |
65102a8c MD |
1288 | } |
1289 | if (!diriter) | |
1290 | break; | |
d8ea2d29 MD |
1291 | /* Ignore hidden files, ., .. and metadata. */ |
1292 | if (!strncmp(diriter->d_name, ".", 1) | |
65102a8c MD |
1293 | || !strcmp(diriter->d_name, "..") |
1294 | || !strcmp(diriter->d_name, "metadata")) | |
1295 | continue; | |
b086c01a | 1296 | ret = ctf_open_file_stream_read(td, diriter->d_name, flags, move_pos_slow); |
dc48ecad MD |
1297 | if (ret) { |
1298 | fprintf(stdout, "[error] Open file stream error.\n"); | |
1299 | goto readdir_error; | |
1300 | } | |
65102a8c | 1301 | } |
bbefb8dd | 1302 | |
65102a8c | 1303 | free(dirent); |
bbefb8dd | 1304 | return 0; |
65102a8c MD |
1305 | |
1306 | readdir_error: | |
1307 | free(dirent); | |
1308 | error_metadata: | |
46322b33 | 1309 | close(td->dirfd); |
65102a8c | 1310 | error_dirfd: |
46322b33 | 1311 | closedir(td->dir); |
bbefb8dd MD |
1312 | error: |
1313 | return ret; | |
1314 | } | |
1315 | ||
e9378815 | 1316 | static |
8c250d87 | 1317 | struct trace_descriptor *ctf_open_trace(const char *collection_path, const char *path, int flags, |
b086c01a | 1318 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, |
ae23d232 | 1319 | int whence), FILE *metadata_fp) |
bbefb8dd | 1320 | { |
46322b33 | 1321 | struct ctf_trace *td; |
bbefb8dd MD |
1322 | int ret; |
1323 | ||
46322b33 | 1324 | td = g_new0(struct ctf_trace, 1); |
bbefb8dd | 1325 | |
8c572eba | 1326 | switch (flags & O_ACCMODE) { |
bbefb8dd | 1327 | case O_RDONLY: |
b61922b5 MD |
1328 | if (!path) { |
1329 | fprintf(stdout, "[error] Path missing for input CTF trace.\n"); | |
1330 | goto error; | |
1331 | } | |
8c250d87 | 1332 | ret = ctf_open_trace_read(td, collection_path, path, flags, move_pos_slow, metadata_fp); |
bbefb8dd MD |
1333 | if (ret) |
1334 | goto error; | |
1335 | break; | |
989c73bc | 1336 | case O_RDWR: |
46322b33 MD |
1337 | fprintf(stdout, "[error] Opening CTF traces for output is not supported yet.\n"); |
1338 | goto error; | |
bbefb8dd | 1339 | default: |
46322b33 | 1340 | fprintf(stdout, "[error] Incorrect open flags.\n"); |
bbefb8dd MD |
1341 | goto error; |
1342 | } | |
1343 | ||
46322b33 | 1344 | return &td->parent; |
bbefb8dd MD |
1345 | error: |
1346 | g_free(td); | |
1347 | return NULL; | |
1348 | } | |
1349 | ||
f571dfb1 JD |
1350 | |
1351 | void ctf_init_mmap_pos(struct ctf_stream_pos *pos, | |
1352 | struct mmap_stream *mmap_info) | |
1353 | { | |
1354 | pos->mmap_offset = 0; | |
1355 | pos->packet_size = 0; | |
1356 | pos->content_size = 0; | |
1357 | pos->content_size_loc = NULL; | |
1358 | pos->fd = mmap_info->fd; | |
1359 | pos->base = 0; | |
1360 | pos->offset = 0; | |
1361 | pos->dummy = false; | |
1362 | pos->cur_index = 0; | |
1363 | pos->packet_index = NULL; | |
1364 | pos->prot = PROT_READ; | |
1365 | pos->flags = MAP_PRIVATE; | |
1366 | pos->parent.rw_table = read_dispatch_table; | |
1367 | pos->parent.event_cb = ctf_read_event; | |
1368 | } | |
1369 | ||
1370 | static | |
1371 | int prepare_mmap_stream_definition(struct ctf_trace *td, | |
1372 | struct ctf_file_stream *file_stream) | |
1373 | { | |
1374 | struct ctf_stream_class *stream; | |
1375 | uint64_t stream_id = 0; | |
1376 | int ret; | |
1377 | ||
1378 | file_stream->parent.stream_id = stream_id; | |
1379 | if (stream_id >= td->streams->len) { | |
1380 | fprintf(stdout, "[error] Stream %" PRIu64 " is not declared " | |
1381 | "in metadata.\n", stream_id); | |
1382 | ret = -EINVAL; | |
1383 | goto end; | |
1384 | } | |
1385 | stream = g_ptr_array_index(td->streams, stream_id); | |
1386 | if (!stream) { | |
1387 | fprintf(stdout, "[error] Stream %" PRIu64 " is not declared " | |
1388 | "in metadata.\n", stream_id); | |
1389 | ret = -EINVAL; | |
1390 | goto end; | |
1391 | } | |
1392 | file_stream->parent.stream_class = stream; | |
1393 | ret = create_stream_definitions(td, &file_stream->parent); | |
1394 | end: | |
1395 | return ret; | |
1396 | } | |
1397 | ||
1398 | static | |
1399 | int ctf_open_mmap_stream_read(struct ctf_trace *td, | |
1400 | struct mmap_stream *mmap_info, | |
1401 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, | |
1402 | int whence)) | |
1403 | { | |
1404 | int ret; | |
1405 | struct ctf_file_stream *file_stream; | |
1406 | ||
1407 | file_stream = g_new0(struct ctf_file_stream, 1); | |
1408 | ctf_init_mmap_pos(&file_stream->pos, mmap_info); | |
1409 | ||
1410 | file_stream->pos.move_pos_slow = move_pos_slow; | |
1411 | ||
1412 | ret = create_trace_definitions(td, &file_stream->parent); | |
1413 | if (ret) { | |
1414 | goto error_def; | |
1415 | } | |
1416 | ||
1417 | ret = prepare_mmap_stream_definition(td, file_stream); | |
1418 | if (ret) | |
1419 | goto error_index; | |
1420 | ||
1421 | /* Add stream file to stream class */ | |
1422 | g_ptr_array_add(file_stream->parent.stream_class->streams, | |
1423 | &file_stream->parent); | |
1424 | return 0; | |
1425 | ||
1426 | error_index: | |
1427 | if (file_stream->parent.trace_packet_header) | |
1428 | definition_unref(&file_stream->parent.trace_packet_header->p); | |
1429 | error_def: | |
1430 | g_free(file_stream); | |
1431 | return ret; | |
1432 | } | |
1433 | ||
1434 | int ctf_open_mmap_trace_read(struct ctf_trace *td, | |
1435 | struct mmap_stream_list *mmap_list, | |
1436 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, | |
1437 | int whence), | |
1438 | FILE *metadata_fp) | |
1439 | { | |
1440 | int ret; | |
1441 | struct mmap_stream *mmap_info; | |
1442 | ||
1443 | ret = ctf_open_trace_metadata_read(td, ctf_move_pos_slow, metadata_fp); | |
1444 | if (ret) { | |
1445 | goto error; | |
1446 | } | |
1447 | ||
1448 | /* | |
1449 | * for each stream, try to open, check magic number, and get the | |
1450 | * stream ID to add to the right location in the stream array. | |
1451 | */ | |
1452 | cds_list_for_each_entry(mmap_info, &mmap_list->head, list) { | |
1453 | ret = ctf_open_mmap_stream_read(td, mmap_info, move_pos_slow); | |
1454 | if (ret) { | |
1455 | fprintf(stdout, "[error] Open file mmap stream error.\n"); | |
1456 | goto error; | |
1457 | } | |
1458 | } | |
1459 | ||
1460 | return 0; | |
1461 | ||
1462 | error: | |
1463 | return ret; | |
1464 | } | |
1465 | ||
1466 | static | |
1467 | struct trace_descriptor *ctf_open_mmap_trace( | |
1468 | struct mmap_stream_list *mmap_list, | |
1469 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, int whence), | |
1470 | FILE *metadata_fp) | |
1471 | { | |
1472 | struct ctf_trace *td; | |
1473 | int ret; | |
1474 | ||
1475 | if (!metadata_fp) { | |
1476 | fprintf(stderr, "[error] No metadata file pointer associated, " | |
1477 | "required for mmap parsing\n"); | |
1478 | goto error; | |
1479 | } | |
1480 | if (!move_pos_slow) { | |
1481 | fprintf(stderr, "[error] move_pos_slow function undefined.\n"); | |
1482 | goto error; | |
1483 | } | |
1484 | td = g_new0(struct ctf_trace, 1); | |
1485 | ret = ctf_open_mmap_trace_read(td, mmap_list, move_pos_slow, metadata_fp); | |
1486 | if (ret) | |
1487 | goto error_free; | |
1488 | ||
1489 | return &td->parent; | |
1490 | ||
1491 | error_free: | |
1492 | g_free(td); | |
1493 | error: | |
1494 | return NULL; | |
1495 | } | |
1496 | ||
0f980a35 MD |
1497 | static |
1498 | void ctf_close_file_stream(struct ctf_file_stream *file_stream) | |
1499 | { | |
46322b33 | 1500 | ctf_fini_pos(&file_stream->pos); |
0f980a35 MD |
1501 | close(file_stream->pos.fd); |
1502 | } | |
1503 | ||
e9378815 | 1504 | static |
46322b33 | 1505 | void ctf_close_trace(struct trace_descriptor *tdp) |
bbefb8dd | 1506 | { |
46322b33 | 1507 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); |
0f980a35 MD |
1508 | int i; |
1509 | ||
46322b33 MD |
1510 | if (td->streams) { |
1511 | for (i = 0; i < td->streams->len; i++) { | |
aa6bffae | 1512 | struct ctf_stream_class *stream; |
0f980a35 | 1513 | int j; |
e9378815 | 1514 | |
46322b33 | 1515 | stream = g_ptr_array_index(td->streams, i); |
e9378815 MD |
1516 | if (!stream) |
1517 | continue; | |
2d0bea29 | 1518 | for (j = 0; j < stream->streams->len; j++) { |
0f980a35 | 1519 | struct ctf_file_stream *file_stream; |
2d0bea29 | 1520 | file_stream = container_of(g_ptr_array_index(stream->streams, j), struct ctf_file_stream, parent); |
0f980a35 MD |
1521 | ctf_close_file_stream(file_stream); |
1522 | } | |
1523 | ||
1524 | } | |
46322b33 | 1525 | g_ptr_array_free(td->streams, TRUE); |
0f980a35 | 1526 | } |
46322b33 | 1527 | closedir(td->dir); |
bbefb8dd MD |
1528 | g_free(td); |
1529 | } | |
1530 | ||
7fb21036 | 1531 | void __attribute__((constructor)) ctf_init(void) |
fc93b2bd MD |
1532 | { |
1533 | int ret; | |
1534 | ||
4c8bfb7e | 1535 | ctf_format.name = g_quark_from_static_string("ctf"); |
fc93b2bd MD |
1536 | ret = bt_register_format(&ctf_format); |
1537 | assert(!ret); | |
1538 | } | |
698f0fe4 MD |
1539 | |
1540 | /* TODO: finalize */ |