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> |
e4195791 | 25 | #include <babeltrace/ctf/events-internal.h> |
98a04903 JD |
26 | #include <babeltrace/trace-handle-internal.h> |
27 | #include <babeltrace/context-internal.h> | |
43e34335 MD |
28 | #include <babeltrace/uuid.h> |
29 | #include <babeltrace/endian.h> | |
0f980a35 | 30 | #include <inttypes.h> |
b4c19c1e | 31 | #include <stdio.h> |
0f980a35 | 32 | #include <sys/mman.h> |
bbefb8dd | 33 | #include <errno.h> |
bbefb8dd | 34 | #include <sys/types.h> |
65102a8c | 35 | #include <sys/stat.h> |
bbefb8dd | 36 | #include <fcntl.h> |
65102a8c | 37 | #include <dirent.h> |
bbefb8dd | 38 | #include <glib.h> |
65102a8c MD |
39 | #include <unistd.h> |
40 | #include <stdlib.h> | |
41 | ||
65102a8c MD |
42 | #include "metadata/ctf-scanner.h" |
43 | #include "metadata/ctf-parser.h" | |
44 | #include "metadata/ctf-ast.h" | |
c34ea0fa | 45 | #include "events-private.h" |
f8370579 | 46 | #include "memstream.h" |
65102a8c | 47 | |
0f980a35 MD |
48 | /* |
49 | * We currently simply map a page to read the packet header and packet | |
8c572eba | 50 | * context to get the packet length and content length. (in bits) |
0f980a35 | 51 | */ |
8c572eba MD |
52 | #define MAX_PACKET_HEADER_LEN (getpagesize() * CHAR_BIT) |
53 | #define WRITE_PACKET_LEN (getpagesize() * 8 * CHAR_BIT) | |
0f980a35 | 54 | |
a0fe7d97 MD |
55 | #ifndef min |
56 | #define min(a, b) (((a) < (b)) ? (a) : (b)) | |
57 | #endif | |
58 | ||
7d97fad9 MD |
59 | #define NSEC_PER_SEC 1000000000ULL |
60 | ||
03798a93 | 61 | int opt_clock_cycles, |
7d97fad9 MD |
62 | opt_clock_seconds, |
63 | opt_clock_date, | |
64 | opt_clock_gmt; | |
65 | ||
66 | uint64_t opt_clock_offset; | |
67 | ||
65102a8c | 68 | extern int yydebug; |
bbefb8dd | 69 | |
e9378815 | 70 | static |
5b80ddfb | 71 | struct trace_descriptor *ctf_open_trace(const char *path, int flags, |
20d0dcf9 MD |
72 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
73 | int whence), | |
74 | FILE *metadata_fp); | |
e9378815 | 75 | static |
f571dfb1 JD |
76 | struct trace_descriptor *ctf_open_mmap_trace( |
77 | struct mmap_stream_list *mmap_list, | |
20d0dcf9 MD |
78 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
79 | int whence), | |
f571dfb1 | 80 | FILE *metadata_fp); |
98a04903 JD |
81 | static |
82 | void ctf_set_context(struct trace_descriptor *descriptor, | |
83 | struct bt_context *ctx); | |
84 | static | |
85 | void ctf_set_handle(struct trace_descriptor *descriptor, | |
86 | struct bt_trace_handle *handle); | |
f571dfb1 JD |
87 | |
88 | static | |
bbefb8dd | 89 | void ctf_close_trace(struct trace_descriptor *descriptor); |
30c276af JD |
90 | static |
91 | uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor, | |
03798a93 | 92 | struct bt_trace_handle *handle, enum bt_clock_type type); |
30c276af JD |
93 | static |
94 | uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor, | |
03798a93 JD |
95 | struct bt_trace_handle *handle, enum bt_clock_type type); |
96 | static | |
97 | int ctf_convert_index_timestamp(struct trace_descriptor *tdp); | |
fc93b2bd | 98 | |
1ae19169 MD |
99 | static |
100 | rw_dispatch read_dispatch_table[] = { | |
d11e9c49 MD |
101 | [ CTF_TYPE_INTEGER ] = ctf_integer_read, |
102 | [ CTF_TYPE_FLOAT ] = ctf_float_read, | |
103 | [ CTF_TYPE_ENUM ] = ctf_enum_read, | |
104 | [ CTF_TYPE_STRING ] = ctf_string_read, | |
105 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
106 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
107 | [ CTF_TYPE_ARRAY ] = ctf_array_read, |
108 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_read, | |
d11e9c49 MD |
109 | }; |
110 | ||
1ae19169 MD |
111 | static |
112 | rw_dispatch write_dispatch_table[] = { | |
d11e9c49 MD |
113 | [ CTF_TYPE_INTEGER ] = ctf_integer_write, |
114 | [ CTF_TYPE_FLOAT ] = ctf_float_write, | |
115 | [ CTF_TYPE_ENUM ] = ctf_enum_write, | |
116 | [ CTF_TYPE_STRING ] = ctf_string_write, | |
117 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
118 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
119 | [ CTF_TYPE_ARRAY ] = ctf_array_write, |
120 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_write, | |
d11e9c49 MD |
121 | }; |
122 | ||
1ae19169 | 123 | static |
d11e9c49 | 124 | struct format ctf_format = { |
bbefb8dd | 125 | .open_trace = ctf_open_trace, |
f571dfb1 | 126 | .open_mmap_trace = ctf_open_mmap_trace, |
bbefb8dd | 127 | .close_trace = ctf_close_trace, |
98a04903 JD |
128 | .set_context = ctf_set_context, |
129 | .set_handle = ctf_set_handle, | |
30c276af JD |
130 | .timestamp_begin = ctf_timestamp_begin, |
131 | .timestamp_end = ctf_timestamp_end, | |
03798a93 | 132 | .convert_index_timestamp = ctf_convert_index_timestamp, |
fc93b2bd MD |
133 | }; |
134 | ||
30c276af JD |
135 | static |
136 | uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor, | |
03798a93 | 137 | struct bt_trace_handle *handle, enum bt_clock_type type) |
30c276af JD |
138 | { |
139 | struct ctf_trace *tin; | |
140 | uint64_t begin = ULLONG_MAX; | |
141 | int i, j; | |
142 | ||
143 | tin = container_of(descriptor, struct ctf_trace, parent); | |
144 | ||
145 | if (!tin) | |
146 | goto error; | |
147 | ||
148 | /* for each stream_class */ | |
149 | for (i = 0; i < tin->streams->len; i++) { | |
150 | struct ctf_stream_declaration *stream_class; | |
151 | ||
152 | stream_class = g_ptr_array_index(tin->streams, i); | |
1b01ffc2 MD |
153 | if (!stream_class) |
154 | continue; | |
30c276af JD |
155 | /* for each file_stream */ |
156 | for (j = 0; j < stream_class->streams->len; j++) { | |
157 | struct ctf_stream_definition *stream; | |
158 | struct ctf_file_stream *cfs; | |
159 | struct ctf_stream_pos *stream_pos; | |
160 | struct packet_index *index; | |
161 | ||
162 | stream = g_ptr_array_index(stream_class->streams, j); | |
163 | cfs = container_of(stream, struct ctf_file_stream, | |
164 | parent); | |
165 | stream_pos = &cfs->pos; | |
166 | ||
03798a93 JD |
167 | if (!stream_pos->packet_real_index) |
168 | goto error; | |
169 | ||
afe9cd4a JD |
170 | if (stream_pos->packet_real_index->len <= 0) |
171 | continue; | |
172 | ||
03798a93 JD |
173 | if (type == BT_CLOCK_REAL) { |
174 | index = &g_array_index(stream_pos->packet_real_index, | |
175 | struct packet_index, | |
176 | stream_pos->packet_real_index->len - 1); | |
177 | } else if (type == BT_CLOCK_CYCLES) { | |
178 | index = &g_array_index(stream_pos->packet_cycles_index, | |
179 | struct packet_index, | |
180 | stream_pos->packet_real_index->len - 1); | |
181 | ||
182 | } else { | |
183 | goto error; | |
184 | } | |
30c276af JD |
185 | if (index->timestamp_begin < begin) |
186 | begin = index->timestamp_begin; | |
187 | } | |
188 | } | |
189 | ||
190 | return begin; | |
191 | ||
192 | error: | |
193 | return -1ULL; | |
194 | } | |
195 | ||
196 | static | |
197 | uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor, | |
03798a93 | 198 | struct bt_trace_handle *handle, enum bt_clock_type type) |
30c276af JD |
199 | { |
200 | struct ctf_trace *tin; | |
201 | uint64_t end = 0; | |
202 | int i, j; | |
203 | ||
204 | tin = container_of(descriptor, struct ctf_trace, parent); | |
205 | ||
206 | if (!tin) | |
207 | goto error; | |
208 | ||
209 | /* for each stream_class */ | |
210 | for (i = 0; i < tin->streams->len; i++) { | |
211 | struct ctf_stream_declaration *stream_class; | |
212 | ||
213 | stream_class = g_ptr_array_index(tin->streams, i); | |
1b01ffc2 MD |
214 | if (!stream_class) |
215 | continue; | |
30c276af JD |
216 | /* for each file_stream */ |
217 | for (j = 0; j < stream_class->streams->len; j++) { | |
218 | struct ctf_stream_definition *stream; | |
219 | struct ctf_file_stream *cfs; | |
220 | struct ctf_stream_pos *stream_pos; | |
221 | struct packet_index *index; | |
222 | ||
223 | stream = g_ptr_array_index(stream_class->streams, j); | |
224 | cfs = container_of(stream, struct ctf_file_stream, | |
225 | parent); | |
226 | stream_pos = &cfs->pos; | |
227 | ||
03798a93 JD |
228 | if (!stream_pos->packet_real_index) |
229 | goto error; | |
230 | ||
afe9cd4a JD |
231 | if (stream_pos->packet_real_index->len <= 0) |
232 | continue; | |
233 | ||
03798a93 JD |
234 | if (type == BT_CLOCK_REAL) { |
235 | index = &g_array_index(stream_pos->packet_real_index, | |
236 | struct packet_index, | |
237 | stream_pos->packet_real_index->len - 1); | |
238 | } else if (type == BT_CLOCK_CYCLES) { | |
239 | index = &g_array_index(stream_pos->packet_cycles_index, | |
240 | struct packet_index, | |
241 | stream_pos->packet_real_index->len - 1); | |
242 | ||
243 | } else { | |
244 | goto error; | |
245 | } | |
30c276af JD |
246 | if (index->timestamp_end > end) |
247 | end = index->timestamp_end; | |
248 | } | |
249 | } | |
250 | ||
251 | return end; | |
252 | ||
253 | error: | |
254 | return -1ULL; | |
255 | } | |
256 | ||
25ccc85b | 257 | /* |
03798a93 | 258 | * Update stream current timestamp |
25ccc85b | 259 | */ |
2b9a764d | 260 | static |
9e88d150 | 261 | void ctf_update_timestamp(struct ctf_stream_definition *stream, |
2b9a764d MD |
262 | struct definition_integer *integer_definition) |
263 | { | |
264 | struct declaration_integer *integer_declaration = | |
265 | integer_definition->declaration; | |
266 | uint64_t oldval, newval, updateval; | |
267 | ||
7f3f572b | 268 | if (unlikely(integer_declaration->len == 64)) { |
03798a93 JD |
269 | stream->prev_cycles_timestamp = stream->cycles_timestamp; |
270 | stream->cycles_timestamp = integer_definition->value._unsigned; | |
271 | stream->prev_real_timestamp = ctf_get_real_timestamp(stream, | |
272 | stream->prev_cycles_timestamp); | |
273 | stream->real_timestamp = ctf_get_real_timestamp(stream, | |
274 | stream->cycles_timestamp); | |
2b9a764d MD |
275 | return; |
276 | } | |
277 | /* keep low bits */ | |
03798a93 | 278 | oldval = stream->cycles_timestamp; |
2b9a764d MD |
279 | oldval &= (1ULL << integer_declaration->len) - 1; |
280 | newval = integer_definition->value._unsigned; | |
281 | /* Test for overflow by comparing low bits */ | |
282 | if (newval < oldval) | |
283 | newval += 1ULL << integer_declaration->len; | |
284 | /* updateval contains old high bits, and new low bits (sum) */ | |
03798a93 | 285 | updateval = stream->cycles_timestamp; |
2b9a764d MD |
286 | updateval &= ~((1ULL << integer_declaration->len) - 1); |
287 | updateval += newval; | |
03798a93 JD |
288 | stream->prev_cycles_timestamp = stream->cycles_timestamp; |
289 | stream->cycles_timestamp = updateval; | |
290 | ||
291 | /* convert to real timestamp */ | |
292 | stream->prev_real_timestamp = ctf_get_real_timestamp(stream, | |
293 | stream->prev_cycles_timestamp); | |
294 | stream->real_timestamp = ctf_get_real_timestamp(stream, | |
295 | stream->cycles_timestamp); | |
2b9a764d MD |
296 | } |
297 | ||
25ccc85b MD |
298 | /* |
299 | * Print timestamp, rescaling clock frequency to nanoseconds and | |
300 | * applying offsets as needed (unix time). | |
301 | */ | |
03798a93 | 302 | void ctf_print_timestamp_real(FILE *fp, |
9e88d150 | 303 | struct ctf_stream_definition *stream, |
7d97fad9 MD |
304 | uint64_t timestamp) |
305 | { | |
306 | uint64_t ts_sec = 0, ts_nsec; | |
7d97fad9 | 307 | |
03798a93 | 308 | ts_nsec = timestamp; |
7d97fad9 | 309 | |
c34ea0fa | 310 | /* Add command-line offset */ |
7d97fad9 MD |
311 | ts_sec += opt_clock_offset; |
312 | ||
313 | ts_sec += ts_nsec / NSEC_PER_SEC; | |
314 | ts_nsec = ts_nsec % NSEC_PER_SEC; | |
315 | ||
316 | if (!opt_clock_seconds) { | |
317 | struct tm tm; | |
318 | time_t time_s = (time_t) ts_sec; | |
319 | ||
320 | if (!opt_clock_gmt) { | |
321 | struct tm *res; | |
322 | ||
323 | res = localtime_r(&time_s, &tm); | |
324 | if (!res) { | |
325 | fprintf(stderr, "[warning] Unable to get localtime.\n"); | |
326 | goto seconds; | |
327 | } | |
328 | } else { | |
329 | struct tm *res; | |
330 | ||
331 | res = gmtime_r(&time_s, &tm); | |
332 | if (!res) { | |
333 | fprintf(stderr, "[warning] Unable to get gmtime.\n"); | |
334 | goto seconds; | |
335 | } | |
336 | } | |
337 | if (opt_clock_date) { | |
338 | char timestr[26]; | |
339 | size_t res; | |
340 | ||
341 | /* Print date and time */ | |
342 | res = strftime(timestr, sizeof(timestr), | |
343 | "%F ", &tm); | |
344 | if (!res) { | |
345 | fprintf(stderr, "[warning] Unable to print ascii time.\n"); | |
346 | goto seconds; | |
347 | } | |
348 | fprintf(fp, "%s", timestr); | |
349 | } | |
350 | /* Print time in HH:MM:SS.ns */ | |
351 | fprintf(fp, "%02d:%02d:%02d.%09" PRIu64, | |
352 | tm.tm_hour, tm.tm_min, tm.tm_sec, ts_nsec); | |
353 | goto end; | |
354 | } | |
355 | seconds: | |
356 | fprintf(fp, "%3" PRIu64 ".%09" PRIu64, | |
357 | ts_sec, ts_nsec); | |
358 | ||
359 | end: | |
360 | return; | |
361 | } | |
362 | ||
03798a93 JD |
363 | /* |
364 | * Print timestamp, in cycles | |
365 | */ | |
366 | void ctf_print_timestamp_cycles(FILE *fp, | |
367 | struct ctf_stream_definition *stream, | |
368 | uint64_t timestamp) | |
369 | { | |
370 | fprintf(fp, "%020" PRIu64, timestamp); | |
371 | } | |
372 | ||
373 | void ctf_print_timestamp(FILE *fp, | |
374 | struct ctf_stream_definition *stream, | |
375 | uint64_t timestamp) | |
376 | { | |
377 | if (opt_clock_cycles) { | |
378 | ctf_print_timestamp_cycles(fp, stream, timestamp); | |
379 | } else { | |
380 | ctf_print_timestamp_real(fp, stream, timestamp); | |
381 | } | |
382 | } | |
383 | ||
31262354 | 384 | static |
9e88d150 | 385 | int ctf_read_event(struct stream_pos *ppos, struct ctf_stream_definition *stream) |
31262354 MD |
386 | { |
387 | struct ctf_stream_pos *pos = | |
388 | container_of(ppos, struct ctf_stream_pos, parent); | |
f380e105 | 389 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
c716f83b | 390 | struct ctf_event_definition *event; |
31262354 | 391 | uint64_t id = 0; |
31262354 MD |
392 | int ret; |
393 | ||
3abe83c7 MD |
394 | /* We need to check for EOF here for empty files. */ |
395 | if (unlikely(pos->offset == EOF)) | |
396 | return EOF; | |
397 | ||
5f643ed7 MD |
398 | ctf_pos_get_event(pos); |
399 | ||
90fcbacc JD |
400 | /* save the current position as a restore point */ |
401 | pos->last_offset = pos->offset; | |
90fcbacc | 402 | |
3abe83c7 MD |
403 | /* |
404 | * This is the EOF check after we've advanced the position in | |
405 | * ctf_pos_get_event. | |
406 | */ | |
7f3f572b | 407 | if (unlikely(pos->offset == EOF)) |
31262354 | 408 | return EOF; |
5f643ed7 | 409 | assert(pos->offset < pos->content_size); |
31262354 MD |
410 | |
411 | /* Read event header */ | |
7f3f572b | 412 | if (likely(stream->stream_event_header)) { |
a35173fe | 413 | struct definition_integer *integer_definition; |
ccdb988e | 414 | struct definition *variant; |
a35173fe | 415 | |
e28d4618 | 416 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
7f3f572b | 417 | if (unlikely(ret)) |
31262354 MD |
418 | goto error; |
419 | /* lookup event id */ | |
e28d4618 | 420 | integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
421 | if (integer_definition) { |
422 | id = integer_definition->value._unsigned; | |
423 | } else { | |
424 | struct definition_enum *enum_definition; | |
425 | ||
e28d4618 | 426 | enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
427 | if (enum_definition) { |
428 | id = enum_definition->integer->value._unsigned; | |
429 | } | |
31262354 | 430 | } |
764af3f4 | 431 | |
e28d4618 | 432 | variant = lookup_variant(&stream->stream_event_header->p, "v"); |
ccdb988e MD |
433 | if (variant) { |
434 | integer_definition = lookup_integer(variant, "id", FALSE); | |
435 | if (integer_definition) { | |
436 | id = integer_definition->value._unsigned; | |
437 | } | |
438 | } | |
c87a8eb2 | 439 | stream->event_id = id; |
ccdb988e | 440 | |
764af3f4 | 441 | /* lookup timestamp */ |
5e2eb0ae | 442 | stream->has_timestamp = 0; |
e28d4618 | 443 | integer_definition = lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE); |
a35173fe | 444 | if (integer_definition) { |
2b9a764d | 445 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 446 | stream->has_timestamp = 1; |
a35173fe | 447 | } else { |
ccdb988e MD |
448 | if (variant) { |
449 | integer_definition = lookup_integer(variant, "timestamp", FALSE); | |
a35173fe | 450 | if (integer_definition) { |
2b9a764d | 451 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 452 | stream->has_timestamp = 1; |
a35173fe MD |
453 | } |
454 | } | |
764af3f4 | 455 | } |
31262354 MD |
456 | } |
457 | ||
458 | /* Read stream-declared event context */ | |
e28d4618 MD |
459 | if (stream->stream_event_context) { |
460 | ret = generic_rw(ppos, &stream->stream_event_context->p); | |
31262354 MD |
461 | if (ret) |
462 | goto error; | |
463 | } | |
464 | ||
7f3f572b | 465 | if (unlikely(id >= stream_class->events_by_id->len)) { |
3394d22e | 466 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
467 | return -EINVAL; |
468 | } | |
e28d4618 | 469 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 470 | if (unlikely(!event)) { |
3394d22e | 471 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
472 | return -EINVAL; |
473 | } | |
474 | ||
475 | /* Read event-declared event context */ | |
e28d4618 MD |
476 | if (event->event_context) { |
477 | ret = generic_rw(ppos, &event->event_context->p); | |
31262354 MD |
478 | if (ret) |
479 | goto error; | |
480 | } | |
481 | ||
482 | /* Read event payload */ | |
7f3f572b | 483 | if (likely(event->event_fields)) { |
e28d4618 | 484 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
485 | if (ret) |
486 | goto error; | |
487 | } | |
488 | ||
489 | return 0; | |
490 | ||
491 | error: | |
3394d22e | 492 | fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); |
31262354 MD |
493 | return ret; |
494 | } | |
495 | ||
496 | static | |
9e88d150 | 497 | int ctf_write_event(struct stream_pos *pos, struct ctf_stream_definition *stream) |
31262354 | 498 | { |
f380e105 | 499 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
c716f83b | 500 | struct ctf_event_definition *event; |
c87a8eb2 | 501 | uint64_t id; |
31262354 MD |
502 | int ret; |
503 | ||
c87a8eb2 MD |
504 | id = stream->event_id; |
505 | ||
31262354 | 506 | /* print event header */ |
7f3f572b | 507 | if (likely(stream->stream_event_header)) { |
e28d4618 | 508 | ret = generic_rw(pos, &stream->stream_event_header->p); |
31262354 MD |
509 | if (ret) |
510 | goto error; | |
511 | } | |
512 | ||
513 | /* print stream-declared event context */ | |
e28d4618 MD |
514 | if (stream->stream_event_context) { |
515 | ret = generic_rw(pos, &stream->stream_event_context->p); | |
31262354 MD |
516 | if (ret) |
517 | goto error; | |
518 | } | |
519 | ||
7f3f572b | 520 | if (unlikely(id >= stream_class->events_by_id->len)) { |
3394d22e | 521 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
522 | return -EINVAL; |
523 | } | |
e28d4618 | 524 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 525 | if (unlikely(!event)) { |
3394d22e | 526 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
527 | return -EINVAL; |
528 | } | |
529 | ||
530 | /* print event-declared event context */ | |
e28d4618 MD |
531 | if (event->event_context) { |
532 | ret = generic_rw(pos, &event->event_context->p); | |
31262354 MD |
533 | if (ret) |
534 | goto error; | |
535 | } | |
536 | ||
537 | /* Read and print event payload */ | |
7f3f572b | 538 | if (likely(event->event_fields)) { |
e28d4618 | 539 | ret = generic_rw(pos, &event->event_fields->p); |
31262354 MD |
540 | if (ret) |
541 | goto error; | |
542 | } | |
543 | ||
544 | return 0; | |
545 | ||
546 | error: | |
3394d22e | 547 | fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); |
31262354 MD |
548 | return ret; |
549 | } | |
550 | ||
8563e754 | 551 | void ctf_init_pos(struct ctf_stream_pos *pos, int fd, int open_flags) |
8c572eba MD |
552 | { |
553 | pos->fd = fd; | |
37fcdd19 | 554 | if (fd >= 0) { |
03798a93 | 555 | pos->packet_cycles_index = g_array_new(FALSE, TRUE, |
8563e754 | 556 | sizeof(struct packet_index)); |
37fcdd19 JD |
557 | pos->packet_real_index = g_array_new(FALSE, TRUE, |
558 | sizeof(struct packet_index)); | |
559 | } else { | |
03798a93 | 560 | pos->packet_cycles_index = NULL; |
37fcdd19 JD |
561 | pos->packet_real_index = NULL; |
562 | } | |
8563e754 MD |
563 | switch (open_flags & O_ACCMODE) { |
564 | case O_RDONLY: | |
565 | pos->prot = PROT_READ; | |
566 | pos->flags = MAP_PRIVATE; | |
567 | pos->parent.rw_table = read_dispatch_table; | |
31262354 | 568 | pos->parent.event_cb = ctf_read_event; |
8563e754 | 569 | break; |
8563e754 MD |
570 | case O_RDWR: |
571 | pos->prot = PROT_WRITE; /* Write has priority */ | |
572 | pos->flags = MAP_SHARED; | |
573 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 574 | pos->parent.event_cb = ctf_write_event; |
8563e754 | 575 | if (fd >= 0) |
06789ffd | 576 | ctf_packet_seek(&pos->parent, 0, SEEK_SET); /* position for write */ |
8563e754 MD |
577 | break; |
578 | default: | |
579 | assert(0); | |
8c572eba MD |
580 | } |
581 | } | |
582 | ||
46322b33 | 583 | void ctf_fini_pos(struct ctf_stream_pos *pos) |
8c572eba MD |
584 | { |
585 | int ret; | |
586 | ||
587 | if (pos->prot == PROT_WRITE && pos->content_size_loc) | |
588 | *pos->content_size_loc = pos->offset; | |
aee35fcc | 589 | if (pos->base_mma) { |
8c572eba | 590 | /* unmap old base */ |
aee35fcc | 591 | ret = munmap_align(pos->base_mma); |
8c572eba | 592 | if (ret) { |
3394d22e | 593 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
8c572eba MD |
594 | strerror(errno)); |
595 | assert(0); | |
596 | } | |
597 | } | |
37fcdd19 JD |
598 | if (pos->packet_cycles_index) |
599 | (void) g_array_free(pos->packet_cycles_index, TRUE); | |
600 | if (pos->packet_real_index) | |
601 | (void) g_array_free(pos->packet_real_index, TRUE); | |
8c572eba MD |
602 | } |
603 | ||
20d0dcf9 MD |
604 | /* |
605 | * for SEEK_CUR: go to next packet. | |
606 | * for SEEK_POS: go to packet numer (index). | |
607 | */ | |
608 | void ctf_packet_seek(struct stream_pos *stream_pos, size_t index, int whence) | |
0f980a35 | 609 | { |
d6425aaf MD |
610 | struct ctf_stream_pos *pos = |
611 | container_of(stream_pos, struct ctf_stream_pos, parent); | |
75cc2c35 MD |
612 | struct ctf_file_stream *file_stream = |
613 | container_of(pos, struct ctf_file_stream, pos); | |
0f980a35 | 614 | int ret; |
8c572eba | 615 | off_t off; |
20d0dcf9 | 616 | struct packet_index *packet_index; |
0f980a35 | 617 | |
8c572eba MD |
618 | if (pos->prot == PROT_WRITE && pos->content_size_loc) |
619 | *pos->content_size_loc = pos->offset; | |
0f980a35 | 620 | |
aee35fcc | 621 | if (pos->base_mma) { |
0f980a35 | 622 | /* unmap old base */ |
aee35fcc | 623 | ret = munmap_align(pos->base_mma); |
0f980a35 | 624 | if (ret) { |
3394d22e | 625 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
0f980a35 MD |
626 | strerror(errno)); |
627 | assert(0); | |
628 | } | |
aee35fcc | 629 | pos->base_mma = NULL; |
0f980a35 MD |
630 | } |
631 | ||
8c572eba | 632 | /* |
46322b33 | 633 | * The caller should never ask for ctf_move_pos across packets, |
8c572eba MD |
634 | * except to get exactly at the beginning of the next packet. |
635 | */ | |
636 | if (pos->prot == PROT_WRITE) { | |
989c73bc MD |
637 | switch (whence) { |
638 | case SEEK_CUR: | |
639 | /* The writer will add padding */ | |
8c572eba | 640 | pos->mmap_offset += WRITE_PACKET_LEN / CHAR_BIT; |
989c73bc MD |
641 | break; |
642 | case SEEK_SET: | |
20d0dcf9 | 643 | assert(index == 0); /* only seek supported for now */ |
989c73bc MD |
644 | pos->cur_index = 0; |
645 | break; | |
646 | default: | |
647 | assert(0); | |
648 | } | |
8c572eba MD |
649 | pos->content_size = -1U; /* Unknown at this point */ |
650 | pos->packet_size = WRITE_PACKET_LEN; | |
989c73bc MD |
651 | off = posix_fallocate(pos->fd, pos->mmap_offset, |
652 | pos->packet_size / CHAR_BIT); | |
8c572eba | 653 | assert(off >= 0); |
847bf71a | 654 | pos->offset = 0; |
8c572eba | 655 | } else { |
5f643ed7 | 656 | read_next_packet: |
847bf71a MD |
657 | switch (whence) { |
658 | case SEEK_CUR: | |
41e82e00 | 659 | { |
4c4ba021 | 660 | uint64_t events_discarded_diff; |
41e82e00 | 661 | |
7d97fad9 MD |
662 | if (pos->offset == EOF) { |
663 | return; | |
664 | } | |
3217ac37 | 665 | /* For printing discarded event count */ |
03798a93 | 666 | packet_index = &g_array_index(pos->packet_cycles_index, |
41e82e00 | 667 | struct packet_index, pos->cur_index); |
03798a93 JD |
668 | file_stream->parent.prev_cycles_timestamp_end = |
669 | packet_index->timestamp_end; | |
670 | file_stream->parent.prev_cycles_timestamp = | |
671 | packet_index->timestamp_begin; | |
672 | ||
673 | packet_index = &g_array_index(pos->packet_real_index, | |
674 | struct packet_index, pos->cur_index); | |
675 | file_stream->parent.prev_real_timestamp_end = | |
20d0dcf9 | 676 | packet_index->timestamp_end; |
03798a93 JD |
677 | file_stream->parent.prev_real_timestamp = |
678 | packet_index->timestamp_begin; | |
679 | ||
680 | events_discarded_diff = packet_index->events_discarded; | |
41e82e00 | 681 | if (pos->cur_index > 0) { |
03798a93 | 682 | packet_index = &g_array_index(pos->packet_real_index, |
41e82e00 MD |
683 | struct packet_index, |
684 | pos->cur_index - 1); | |
20d0dcf9 | 685 | events_discarded_diff -= packet_index->events_discarded; |
4c4ba021 MD |
686 | /* |
687 | * Deal with 32-bit wrap-around if the | |
688 | * tracer provided a 32-bit field. | |
689 | */ | |
690 | if (packet_index->events_discarded_len == 32) { | |
691 | events_discarded_diff = (uint32_t) events_discarded_diff; | |
692 | } | |
41e82e00 | 693 | } |
fca04958 | 694 | file_stream->parent.events_discarded = events_discarded_diff; |
03798a93 JD |
695 | file_stream->parent.prev_real_timestamp = file_stream->parent.real_timestamp; |
696 | file_stream->parent.prev_cycles_timestamp = file_stream->parent.cycles_timestamp; | |
847bf71a | 697 | /* The reader will expect us to skip padding */ |
8c572eba | 698 | ++pos->cur_index; |
847bf71a | 699 | break; |
41e82e00 | 700 | } |
847bf71a | 701 | case SEEK_SET: |
f60efc0e JD |
702 | packet_index = &g_array_index(pos->packet_cycles_index, |
703 | struct packet_index, index); | |
704 | pos->last_events_discarded = packet_index->events_discarded; | |
20d0dcf9 | 705 | pos->cur_index = index; |
03798a93 JD |
706 | file_stream->parent.prev_real_timestamp = 0; |
707 | file_stream->parent.prev_real_timestamp_end = 0; | |
708 | file_stream->parent.prev_cycles_timestamp = 0; | |
709 | file_stream->parent.prev_cycles_timestamp_end = 0; | |
847bf71a MD |
710 | break; |
711 | default: | |
712 | assert(0); | |
713 | } | |
03798a93 | 714 | if (pos->cur_index >= pos->packet_real_index->len) { |
7d97fad9 MD |
715 | /* |
716 | * When a stream reaches the end of the | |
717 | * file, we need to show the number of | |
718 | * events discarded ourselves, because | |
719 | * there is no next event scheduled to | |
720 | * be printed in the output. | |
721 | */ | |
722 | if (file_stream->parent.events_discarded) { | |
badea1a2 JD |
723 | /* |
724 | * We need to check if we are in trace | |
725 | * read or called from packet indexing. | |
726 | * In this last case, the collection is | |
727 | * not there, so we cannot print the | |
728 | * timestamps. | |
729 | */ | |
730 | if ((&file_stream->parent)->stream_class->trace->collection) { | |
731 | fflush(stdout); | |
4c4ba021 | 732 | fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events at end of stream between [", |
badea1a2 | 733 | file_stream->parent.events_discarded); |
03798a93 JD |
734 | if (opt_clock_cycles) { |
735 | ctf_print_timestamp(stderr, | |
736 | &file_stream->parent, | |
737 | file_stream->parent.prev_cycles_timestamp); | |
738 | fprintf(stderr, "] and ["); | |
739 | ctf_print_timestamp(stderr, &file_stream->parent, | |
740 | file_stream->parent.prev_cycles_timestamp_end); | |
741 | } else { | |
742 | ctf_print_timestamp(stderr, | |
743 | &file_stream->parent, | |
744 | file_stream->parent.prev_real_timestamp); | |
745 | fprintf(stderr, "] and ["); | |
746 | ctf_print_timestamp(stderr, &file_stream->parent, | |
747 | file_stream->parent.prev_real_timestamp_end); | |
748 | } | |
a0b34fbb | 749 | fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n"); |
badea1a2 JD |
750 | fflush(stderr); |
751 | } | |
7d97fad9 MD |
752 | file_stream->parent.events_discarded = 0; |
753 | } | |
670977d3 | 754 | pos->offset = EOF; |
847bf71a MD |
755 | return; |
756 | } | |
03798a93 JD |
757 | packet_index = &g_array_index(pos->packet_cycles_index, |
758 | struct packet_index, | |
759 | pos->cur_index); | |
760 | file_stream->parent.cycles_timestamp = packet_index->timestamp_begin; | |
761 | ||
762 | packet_index = &g_array_index(pos->packet_real_index, | |
763 | struct packet_index, | |
764 | pos->cur_index); | |
765 | file_stream->parent.real_timestamp = packet_index->timestamp_begin; | |
20d0dcf9 | 766 | pos->mmap_offset = packet_index->offset; |
8c572eba MD |
767 | |
768 | /* Lookup context/packet size in index */ | |
20d0dcf9 MD |
769 | pos->content_size = packet_index->content_size; |
770 | pos->packet_size = packet_index->packet_size; | |
771 | if (packet_index->data_offset < packet_index->content_size) { | |
75cc2c35 | 772 | pos->offset = 0; /* will read headers */ |
20d0dcf9 | 773 | } else if (packet_index->data_offset == packet_index->content_size) { |
5f643ed7 | 774 | /* empty packet */ |
20d0dcf9 | 775 | pos->offset = packet_index->data_offset; |
3abe83c7 | 776 | whence = SEEK_CUR; |
5f643ed7 | 777 | goto read_next_packet; |
7eda6fc7 | 778 | } else { |
2b9a764d MD |
779 | pos->offset = EOF; |
780 | return; | |
781 | } | |
8c572eba | 782 | } |
0f980a35 | 783 | /* map new base. Need mapping length from header. */ |
aee35fcc MD |
784 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, |
785 | pos->flags, pos->fd, pos->mmap_offset); | |
786 | if (pos->base_mma == MAP_FAILED) { | |
3394d22e | 787 | fprintf(stderr, "[error] mmap error %s.\n", |
847bf71a MD |
788 | strerror(errno)); |
789 | assert(0); | |
790 | } | |
75cc2c35 MD |
791 | |
792 | /* update trace_packet_header and stream_packet_context */ | |
2d0bea29 | 793 | if (pos->prot != PROT_WRITE && file_stream->parent.trace_packet_header) { |
75cc2c35 | 794 | /* Read packet header */ |
2d0bea29 | 795 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); |
75cc2c35 MD |
796 | assert(!ret); |
797 | } | |
2d0bea29 | 798 | if (pos->prot != PROT_WRITE && file_stream->parent.stream_packet_context) { |
75cc2c35 | 799 | /* Read packet context */ |
2d0bea29 | 800 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); |
75cc2c35 MD |
801 | assert(!ret); |
802 | } | |
0f980a35 MD |
803 | } |
804 | ||
b4c19c1e MD |
805 | static |
806 | int packet_metadata(struct ctf_trace *td, FILE *fp) | |
807 | { | |
808 | uint32_t magic; | |
809 | size_t len; | |
810 | int ret = 0; | |
811 | ||
812 | len = fread(&magic, sizeof(magic), 1, fp); | |
a0fe7d97 | 813 | if (len != 1) { |
b4c19c1e MD |
814 | goto end; |
815 | } | |
816 | if (magic == TSDL_MAGIC) { | |
817 | ret = 1; | |
818 | td->byte_order = BYTE_ORDER; | |
0d336fdf | 819 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
820 | } else if (magic == GUINT32_SWAP_LE_BE(TSDL_MAGIC)) { |
821 | ret = 1; | |
822 | td->byte_order = (BYTE_ORDER == BIG_ENDIAN) ? | |
823 | LITTLE_ENDIAN : BIG_ENDIAN; | |
0d336fdf | 824 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
825 | } |
826 | end: | |
827 | rewind(fp); | |
828 | return ret; | |
829 | } | |
830 | ||
5c262147 MD |
831 | /* |
832 | * Returns 0 on success, -1 on error. | |
833 | */ | |
834 | static | |
835 | int check_version(unsigned int major, unsigned int minor) | |
836 | { | |
837 | switch (major) { | |
838 | case 1: | |
839 | switch (minor) { | |
840 | case 8: | |
841 | return 0; | |
842 | default: | |
843 | goto warning; | |
844 | } | |
845 | default: | |
846 | goto warning; | |
847 | ||
848 | } | |
849 | ||
850 | /* eventually return an error instead of warning */ | |
851 | warning: | |
3394d22e | 852 | fprintf(stderr, "[warning] Unsupported CTF specification version %u.%u. Trying anyway.\n", |
5c262147 MD |
853 | major, minor); |
854 | return 0; | |
855 | } | |
856 | ||
b4c19c1e MD |
857 | static |
858 | int ctf_open_trace_metadata_packet_read(struct ctf_trace *td, FILE *in, | |
859 | FILE *out) | |
860 | { | |
861 | struct metadata_packet_header header; | |
a0fe7d97 | 862 | size_t readlen, writelen, toread; |
f8254867 | 863 | char buf[4096 + 1]; /* + 1 for debug-mode \0 */ |
b4c19c1e MD |
864 | int ret = 0; |
865 | ||
a91a962e | 866 | readlen = fread(&header, header_sizeof(header), 1, in); |
a0fe7d97 | 867 | if (readlen < 1) |
b4c19c1e MD |
868 | return -EINVAL; |
869 | ||
870 | if (td->byte_order != BYTE_ORDER) { | |
871 | header.magic = GUINT32_SWAP_LE_BE(header.magic); | |
872 | header.checksum = GUINT32_SWAP_LE_BE(header.checksum); | |
873 | header.content_size = GUINT32_SWAP_LE_BE(header.content_size); | |
874 | header.packet_size = GUINT32_SWAP_LE_BE(header.packet_size); | |
875 | } | |
876 | if (header.checksum) | |
3394d22e | 877 | fprintf(stderr, "[warning] checksum verification not supported yet.\n"); |
b4c19c1e | 878 | if (header.compression_scheme) { |
3394d22e | 879 | fprintf(stderr, "[error] compression (%u) not supported yet.\n", |
b4c19c1e MD |
880 | header.compression_scheme); |
881 | return -EINVAL; | |
882 | } | |
883 | if (header.encryption_scheme) { | |
3394d22e | 884 | fprintf(stderr, "[error] encryption (%u) not supported yet.\n", |
b4c19c1e MD |
885 | header.encryption_scheme); |
886 | return -EINVAL; | |
887 | } | |
888 | if (header.checksum_scheme) { | |
3394d22e | 889 | fprintf(stderr, "[error] checksum (%u) not supported yet.\n", |
b4c19c1e MD |
890 | header.checksum_scheme); |
891 | return -EINVAL; | |
892 | } | |
5c262147 MD |
893 | if (check_version(header.major, header.minor) < 0) |
894 | return -EINVAL; | |
b4c19c1e MD |
895 | if (!CTF_TRACE_FIELD_IS_SET(td, uuid)) { |
896 | memcpy(td->uuid, header.uuid, sizeof(header.uuid)); | |
897 | CTF_TRACE_SET_FIELD(td, uuid); | |
898 | } else { | |
43e34335 | 899 | if (babeltrace_uuid_compare(header.uuid, td->uuid)) |
b4c19c1e MD |
900 | return -EINVAL; |
901 | } | |
902 | ||
255b2138 | 903 | toread = (header.content_size / CHAR_BIT) - header_sizeof(header); |
a0fe7d97 MD |
904 | |
905 | for (;;) { | |
f8254867 | 906 | readlen = fread(buf, sizeof(char), min(sizeof(buf) - 1, toread), in); |
b4c19c1e MD |
907 | if (ferror(in)) { |
908 | ret = -EINVAL; | |
909 | break; | |
910 | } | |
4152822b | 911 | if (babeltrace_debug) { |
f8254867 | 912 | buf[readlen] = '\0'; |
3394d22e | 913 | fprintf(stderr, "[debug] metadata packet read: %s\n", |
4152822b MD |
914 | buf); |
915 | } | |
916 | ||
b4c19c1e MD |
917 | writelen = fwrite(buf, sizeof(char), readlen, out); |
918 | if (writelen < readlen) { | |
919 | ret = -EIO; | |
920 | break; | |
921 | } | |
922 | if (ferror(out)) { | |
923 | ret = -EINVAL; | |
924 | break; | |
925 | } | |
a0fe7d97 MD |
926 | toread -= readlen; |
927 | if (!toread) { | |
7f4b5c4d | 928 | ret = 0; /* continue reading next packet */ |
ddbc52af | 929 | goto read_padding; |
a0fe7d97 | 930 | } |
b4c19c1e MD |
931 | } |
932 | return ret; | |
ddbc52af MD |
933 | |
934 | read_padding: | |
935 | toread = (header.packet_size - header.content_size) / CHAR_BIT; | |
936 | ret = fseek(in, toread, SEEK_CUR); | |
937 | if (ret < 0) { | |
3394d22e | 938 | fprintf(stderr, "[warning] Missing padding at end of file\n"); |
ddbc52af MD |
939 | ret = 0; |
940 | } | |
941 | return ret; | |
b4c19c1e MD |
942 | } |
943 | ||
944 | static | |
945 | int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp, | |
946 | char **buf) | |
947 | { | |
948 | FILE *in, *out; | |
949 | size_t size; | |
950 | int ret; | |
951 | ||
952 | in = *fp; | |
c4f5487e MD |
953 | /* |
954 | * Using strlen on *buf instead of size of open_memstream | |
955 | * because its size includes garbage at the end (after final | |
956 | * \0). This is the allocated size, not the actual string size. | |
957 | */ | |
f8370579 | 958 | out = babeltrace_open_memstream(buf, &size); |
a569a564 MD |
959 | if (out == NULL) { |
960 | perror("Metadata open_memstream"); | |
b4c19c1e | 961 | return -errno; |
a569a564 | 962 | } |
b4c19c1e MD |
963 | for (;;) { |
964 | ret = ctf_open_trace_metadata_packet_read(td, in, out); | |
7f4b5c4d | 965 | if (ret) { |
b4c19c1e | 966 | break; |
7f4b5c4d MD |
967 | } |
968 | if (feof(in)) { | |
969 | ret = 0; | |
b4c19c1e MD |
970 | break; |
971 | } | |
972 | } | |
f8370579 MD |
973 | /* close to flush the buffer */ |
974 | ret = babeltrace_close_memstream(buf, &size, out); | |
975 | if (ret < 0) { | |
976 | perror("babeltrace_flush_memstream"); | |
977 | fclose(in); | |
978 | return -errno; | |
979 | } | |
b4c19c1e MD |
980 | fclose(in); |
981 | /* open for reading */ | |
f8370579 | 982 | *fp = babeltrace_fmemopen(*buf, strlen(*buf), "rb"); |
a569a564 MD |
983 | if (!*fp) { |
984 | perror("Metadata fmemopen"); | |
985 | return -errno; | |
986 | } | |
b4c19c1e MD |
987 | return 0; |
988 | } | |
989 | ||
65102a8c | 990 | static |
b086c01a | 991 | int ctf_open_trace_metadata_read(struct ctf_trace *td, |
20d0dcf9 | 992 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 993 | int whence), FILE *metadata_fp) |
65102a8c MD |
994 | { |
995 | struct ctf_scanner *scanner; | |
2d0bea29 | 996 | struct ctf_file_stream *metadata_stream; |
65102a8c | 997 | FILE *fp; |
b4c19c1e | 998 | char *buf = NULL; |
65102a8c MD |
999 | int ret = 0; |
1000 | ||
2d0bea29 | 1001 | metadata_stream = g_new0(struct ctf_file_stream, 1); |
3a25e036 | 1002 | metadata_stream->pos.last_offset = LAST_OFFSET_POISON; |
b086c01a | 1003 | |
06789ffd MD |
1004 | if (packet_seek) { |
1005 | metadata_stream->pos.packet_seek = packet_seek; | |
b086c01a | 1006 | } else { |
06789ffd | 1007 | fprintf(stderr, "[error] packet_seek function undefined.\n"); |
b086c01a JD |
1008 | ret = -1; |
1009 | goto end_stream; | |
1010 | } | |
1011 | ||
ae23d232 JD |
1012 | if (metadata_fp) { |
1013 | fp = metadata_fp; | |
bcbfb8bf | 1014 | metadata_stream->pos.fd = -1; |
ae23d232 JD |
1015 | } else { |
1016 | td->metadata = &metadata_stream->parent; | |
1017 | metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY); | |
1018 | if (metadata_stream->pos.fd < 0) { | |
3394d22e | 1019 | fprintf(stderr, "Unable to open metadata.\n"); |
ae23d232 JD |
1020 | return metadata_stream->pos.fd; |
1021 | } | |
65102a8c | 1022 | |
ae23d232 JD |
1023 | fp = fdopen(metadata_stream->pos.fd, "r"); |
1024 | if (!fp) { | |
3394d22e | 1025 | fprintf(stderr, "[error] Unable to open metadata stream.\n"); |
a569a564 | 1026 | perror("Metadata stream open"); |
ae23d232 JD |
1027 | ret = -errno; |
1028 | goto end_stream; | |
1029 | } | |
1030 | } | |
65102a8c MD |
1031 | if (babeltrace_debug) |
1032 | yydebug = 1; | |
1033 | ||
b4c19c1e MD |
1034 | if (packet_metadata(td, fp)) { |
1035 | ret = ctf_open_trace_metadata_stream_read(td, &fp, &buf); | |
1036 | if (ret) | |
1037 | goto end_packet_read; | |
da75b0f7 | 1038 | } else { |
5c262147 MD |
1039 | unsigned int major, minor; |
1040 | ssize_t nr_items; | |
8c2df3f5 | 1041 | |
da75b0f7 | 1042 | td->byte_order = BYTE_ORDER; |
8c2df3f5 | 1043 | |
5c262147 MD |
1044 | /* Check text-only metadata header and version */ |
1045 | nr_items = fscanf(fp, "/* CTF %u.%u", &major, &minor); | |
1046 | if (nr_items < 2) | |
3394d22e | 1047 | fprintf(stderr, "[warning] Ill-shapen or missing \"/* CTF x.y\" header for text-only metadata.\n"); |
5c262147 MD |
1048 | if (check_version(major, minor) < 0) { |
1049 | ret = -EINVAL; | |
1050 | goto end_packet_read; | |
1051 | } | |
8c2df3f5 | 1052 | rewind(fp); |
b4c19c1e MD |
1053 | } |
1054 | ||
65102a8c MD |
1055 | scanner = ctf_scanner_alloc(fp); |
1056 | if (!scanner) { | |
3394d22e | 1057 | fprintf(stderr, "[error] Error allocating scanner\n"); |
65102a8c MD |
1058 | ret = -ENOMEM; |
1059 | goto end_scanner_alloc; | |
1060 | } | |
1061 | ret = ctf_scanner_append_ast(scanner); | |
1062 | if (ret) { | |
3394d22e | 1063 | fprintf(stderr, "[error] Error creating AST\n"); |
65102a8c MD |
1064 | goto end; |
1065 | } | |
1066 | ||
1067 | if (babeltrace_debug) { | |
3394d22e | 1068 | ret = ctf_visitor_print_xml(stderr, 0, &scanner->ast->root); |
65102a8c | 1069 | if (ret) { |
3394d22e | 1070 | fprintf(stderr, "[error] Error visiting AST for XML output\n"); |
65102a8c MD |
1071 | goto end; |
1072 | } | |
1073 | } | |
1074 | ||
3394d22e | 1075 | ret = ctf_visitor_semantic_check(stderr, 0, &scanner->ast->root); |
65102a8c | 1076 | if (ret) { |
3394d22e | 1077 | fprintf(stderr, "[error] Error in CTF semantic validation %d\n", ret); |
65102a8c MD |
1078 | goto end; |
1079 | } | |
3394d22e | 1080 | ret = ctf_visitor_construct_metadata(stderr, 0, &scanner->ast->root, |
ac5c6ca0 | 1081 | td, td->byte_order); |
65102a8c | 1082 | if (ret) { |
3394d22e | 1083 | fprintf(stderr, "[error] Error in CTF metadata constructor %d\n", ret); |
65102a8c MD |
1084 | goto end; |
1085 | } | |
1086 | end: | |
1087 | ctf_scanner_free(scanner); | |
1088 | end_scanner_alloc: | |
b4c19c1e | 1089 | end_packet_read: |
8210f9da MD |
1090 | if (fp) |
1091 | fclose(fp); | |
b4c19c1e | 1092 | free(buf); |
65102a8c | 1093 | end_stream: |
bcbfb8bf JD |
1094 | if (metadata_stream->pos.fd >= 0) |
1095 | close(metadata_stream->pos.fd); | |
2d0bea29 MD |
1096 | if (ret) |
1097 | g_free(metadata_stream); | |
0f980a35 MD |
1098 | return ret; |
1099 | } | |
1100 | ||
e28d4618 | 1101 | static |
c716f83b | 1102 | struct ctf_event_definition *create_event_definitions(struct ctf_trace *td, |
9e88d150 | 1103 | struct ctf_stream_definition *stream, |
4716614a | 1104 | struct ctf_event_declaration *event) |
e28d4618 | 1105 | { |
c716f83b | 1106 | struct ctf_event_definition *stream_event = g_new0(struct ctf_event_definition, 1); |
e28d4618 MD |
1107 | |
1108 | if (event->context_decl) { | |
1109 | struct definition *definition = | |
1110 | event->context_decl->p.definition_new(&event->context_decl->p, | |
1111 | stream->parent_def_scope, 0, 0, "event.context"); | |
1112 | if (!definition) { | |
1113 | goto error; | |
1114 | } | |
42dc00b7 | 1115 | stream_event->event_context = container_of(definition, |
e28d4618 | 1116 | struct definition_struct, p); |
42dc00b7 | 1117 | stream->parent_def_scope = stream_event->event_context->p.scope; |
e28d4618 MD |
1118 | } |
1119 | if (event->fields_decl) { | |
1120 | struct definition *definition = | |
1121 | event->fields_decl->p.definition_new(&event->fields_decl->p, | |
1122 | stream->parent_def_scope, 0, 0, "event.fields"); | |
1123 | if (!definition) { | |
1124 | goto error; | |
1125 | } | |
42dc00b7 | 1126 | stream_event->event_fields = container_of(definition, |
e28d4618 | 1127 | struct definition_struct, p); |
42dc00b7 | 1128 | stream->parent_def_scope = stream_event->event_fields->p.scope; |
e28d4618 | 1129 | } |
d3ded99d | 1130 | stream_event->stream = stream; |
42dc00b7 | 1131 | return stream_event; |
e28d4618 MD |
1132 | |
1133 | error: | |
42dc00b7 MD |
1134 | if (stream_event->event_fields) |
1135 | definition_unref(&stream_event->event_fields->p); | |
1136 | if (stream_event->event_context) | |
1137 | definition_unref(&stream_event->event_context->p); | |
e28d4618 MD |
1138 | return NULL; |
1139 | } | |
1140 | ||
1141 | static | |
9e88d150 | 1142 | int create_stream_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream) |
e28d4618 | 1143 | { |
f380e105 | 1144 | struct ctf_stream_declaration *stream_class; |
e28d4618 MD |
1145 | int ret; |
1146 | int i; | |
1147 | ||
1148 | if (stream->stream_definitions_created) | |
1149 | return 0; | |
1150 | ||
1151 | stream_class = stream->stream_class; | |
1152 | ||
1153 | if (stream_class->packet_context_decl) { | |
1154 | struct definition *definition = | |
1155 | stream_class->packet_context_decl->p.definition_new(&stream_class->packet_context_decl->p, | |
1156 | stream->parent_def_scope, 0, 0, "stream.packet.context"); | |
1157 | if (!definition) { | |
1158 | ret = -EINVAL; | |
1159 | goto error; | |
1160 | } | |
1161 | stream->stream_packet_context = container_of(definition, | |
1162 | struct definition_struct, p); | |
1163 | stream->parent_def_scope = stream->stream_packet_context->p.scope; | |
1164 | } | |
1165 | if (stream_class->event_header_decl) { | |
1166 | struct definition *definition = | |
1167 | stream_class->event_header_decl->p.definition_new(&stream_class->event_header_decl->p, | |
1168 | stream->parent_def_scope, 0, 0, "stream.event.header"); | |
1169 | if (!definition) { | |
1170 | ret = -EINVAL; | |
1171 | goto error; | |
1172 | } | |
1173 | stream->stream_event_header = | |
1174 | container_of(definition, struct definition_struct, p); | |
1175 | stream->parent_def_scope = stream->stream_event_header->p.scope; | |
1176 | } | |
1177 | if (stream_class->event_context_decl) { | |
1178 | struct definition *definition = | |
1179 | stream_class->event_context_decl->p.definition_new(&stream_class->event_context_decl->p, | |
1180 | stream->parent_def_scope, 0, 0, "stream.event.context"); | |
1181 | if (!definition) { | |
1182 | ret = -EINVAL; | |
1183 | goto error; | |
1184 | } | |
1185 | stream->stream_event_context = | |
1186 | container_of(definition, struct definition_struct, p); | |
1187 | stream->parent_def_scope = stream->stream_event_context->p.scope; | |
1188 | } | |
1189 | stream->events_by_id = g_ptr_array_new(); | |
1190 | g_ptr_array_set_size(stream->events_by_id, stream_class->events_by_id->len); | |
1191 | for (i = 0; i < stream->events_by_id->len; i++) { | |
4716614a | 1192 | struct ctf_event_declaration *event = g_ptr_array_index(stream_class->events_by_id, i); |
c716f83b | 1193 | struct ctf_event_definition *stream_event; |
e28d4618 MD |
1194 | |
1195 | if (!event) | |
1196 | continue; | |
42dc00b7 MD |
1197 | stream_event = create_event_definitions(td, stream, event); |
1198 | if (!stream_event) | |
e28d4618 | 1199 | goto error_event; |
42dc00b7 | 1200 | g_ptr_array_index(stream->events_by_id, i) = stream_event; |
e28d4618 MD |
1201 | } |
1202 | return 0; | |
1203 | ||
1204 | error_event: | |
1205 | for (i = 0; i < stream->events_by_id->len; i++) { | |
c716f83b | 1206 | struct ctf_event_definition *stream_event = g_ptr_array_index(stream->events_by_id, i); |
42dc00b7 MD |
1207 | if (stream_event) |
1208 | g_free(stream_event); | |
e28d4618 MD |
1209 | } |
1210 | g_ptr_array_free(stream->events_by_id, TRUE); | |
1211 | error: | |
1212 | if (stream->stream_event_context) | |
1213 | definition_unref(&stream->stream_event_context->p); | |
1214 | if (stream->stream_event_header) | |
1215 | definition_unref(&stream->stream_event_header->p); | |
1216 | if (stream->stream_packet_context) | |
1217 | definition_unref(&stream->stream_packet_context->p); | |
1218 | return ret; | |
1219 | } | |
1220 | ||
0f980a35 MD |
1221 | |
1222 | static | |
46322b33 | 1223 | int create_stream_packet_index(struct ctf_trace *td, |
0f980a35 MD |
1224 | struct ctf_file_stream *file_stream) |
1225 | { | |
f380e105 | 1226 | struct ctf_stream_declaration *stream; |
0f980a35 | 1227 | int len_index; |
46322b33 | 1228 | struct ctf_stream_pos *pos; |
0f980a35 MD |
1229 | struct stat filestats; |
1230 | struct packet_index packet_index; | |
1231 | int first_packet = 1; | |
1232 | int ret; | |
1233 | ||
1234 | pos = &file_stream->pos; | |
1235 | ||
1236 | ret = fstat(pos->fd, &filestats); | |
1237 | if (ret < 0) | |
1238 | return ret; | |
1239 | ||
8895362d MD |
1240 | if (filestats.st_size < MAX_PACKET_HEADER_LEN / CHAR_BIT) |
1241 | return -EINVAL; | |
1242 | ||
0f980a35 MD |
1243 | for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) { |
1244 | uint64_t stream_id = 0; | |
1245 | ||
aee35fcc | 1246 | if (pos->base_mma) { |
0f980a35 | 1247 | /* unmap old base */ |
aee35fcc | 1248 | ret = munmap_align(pos->base_mma); |
0f980a35 | 1249 | if (ret) { |
3394d22e | 1250 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
0f980a35 MD |
1251 | strerror(errno)); |
1252 | return ret; | |
1253 | } | |
aee35fcc | 1254 | pos->base_mma = NULL; |
0f980a35 MD |
1255 | } |
1256 | /* map new base. Need mapping length from header. */ | |
aee35fcc | 1257 | pos->base_mma = mmap_align(MAX_PACKET_HEADER_LEN / CHAR_BIT, PROT_READ, |
0f980a35 | 1258 | MAP_PRIVATE, pos->fd, pos->mmap_offset); |
aee35fcc | 1259 | assert(pos->base_mma != MAP_FAILED); |
dc48ecad MD |
1260 | pos->content_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ |
1261 | pos->packet_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ | |
0f980a35 MD |
1262 | pos->offset = 0; /* Position of the packet header */ |
1263 | ||
8c572eba MD |
1264 | packet_index.offset = pos->mmap_offset; |
1265 | packet_index.content_size = 0; | |
1266 | packet_index.packet_size = 0; | |
75cc2c35 MD |
1267 | packet_index.timestamp_begin = 0; |
1268 | packet_index.timestamp_end = 0; | |
41e82e00 | 1269 | packet_index.events_discarded = 0; |
15d4fe3c | 1270 | packet_index.events_discarded_len = 0; |
8c572eba | 1271 | |
0f980a35 | 1272 | /* read and check header, set stream id (and check) */ |
2d0bea29 | 1273 | if (file_stream->parent.trace_packet_header) { |
0f980a35 | 1274 | /* Read packet header */ |
2d0bea29 | 1275 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); |
c5e74408 MD |
1276 | if (ret) |
1277 | return ret; | |
2d0bea29 | 1278 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic")); |
0f980a35 | 1279 | if (len_index >= 0) { |
b1a2f580 | 1280 | struct definition *field; |
f4c56ac2 | 1281 | uint64_t magic; |
0f980a35 | 1282 | |
2d0bea29 | 1283 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
f4c56ac2 MD |
1284 | magic = get_unsigned_int(field); |
1285 | if (magic != CTF_MAGIC) { | |
3394d22e | 1286 | fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n", |
f4c56ac2 | 1287 | magic, |
03798a93 | 1288 | file_stream->pos.packet_cycles_index->len, |
8c572eba | 1289 | (ssize_t) pos->mmap_offset); |
0f980a35 MD |
1290 | return -EINVAL; |
1291 | } | |
1292 | } | |
1293 | ||
1294 | /* check uuid */ | |
2d0bea29 | 1295 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid")); |
0f980a35 MD |
1296 | if (len_index >= 0) { |
1297 | struct definition_array *defarray; | |
b1a2f580 | 1298 | struct definition *field; |
0f980a35 | 1299 | uint64_t i; |
43e34335 | 1300 | uint8_t uuidval[BABELTRACE_UUID_LEN]; |
0f980a35 | 1301 | |
2d0bea29 | 1302 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
b1a2f580 MD |
1303 | assert(field->declaration->id == CTF_TYPE_ARRAY); |
1304 | defarray = container_of(field, struct definition_array, p); | |
43e34335 | 1305 | assert(array_len(defarray) == BABELTRACE_UUID_LEN); |
0f980a35 | 1306 | |
43e34335 | 1307 | for (i = 0; i < BABELTRACE_UUID_LEN; i++) { |
0f980a35 | 1308 | struct definition *elem; |
0f980a35 MD |
1309 | |
1310 | elem = array_index(defarray, i); | |
f4c56ac2 | 1311 | uuidval[i] = get_unsigned_int(elem); |
0f980a35 | 1312 | } |
43e34335 | 1313 | ret = babeltrace_uuid_compare(td->uuid, uuidval); |
0f980a35 | 1314 | if (ret) { |
3394d22e | 1315 | fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n"); |
0f980a35 MD |
1316 | return -EINVAL; |
1317 | } | |
1318 | } | |
1319 | ||
1320 | ||
2d0bea29 | 1321 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id")); |
0f980a35 | 1322 | if (len_index >= 0) { |
b1a2f580 | 1323 | struct definition *field; |
0f980a35 | 1324 | |
2d0bea29 | 1325 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
f4c56ac2 | 1326 | stream_id = get_unsigned_int(field); |
0f980a35 MD |
1327 | } |
1328 | } | |
1329 | ||
2d0bea29 | 1330 | if (!first_packet && file_stream->parent.stream_id != stream_id) { |
3394d22e | 1331 | fprintf(stderr, "[error] Stream ID is changing within a stream.\n"); |
0f980a35 MD |
1332 | return -EINVAL; |
1333 | } | |
1334 | if (first_packet) { | |
2d0bea29 | 1335 | file_stream->parent.stream_id = stream_id; |
46322b33 | 1336 | if (stream_id >= td->streams->len) { |
3394d22e | 1337 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); |
0f980a35 MD |
1338 | return -EINVAL; |
1339 | } | |
46322b33 | 1340 | stream = g_ptr_array_index(td->streams, stream_id); |
0f980a35 | 1341 | if (!stream) { |
3394d22e | 1342 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); |
0f980a35 MD |
1343 | return -EINVAL; |
1344 | } | |
2d0bea29 | 1345 | file_stream->parent.stream_class = stream; |
01c76b24 | 1346 | ret = create_stream_definitions(td, &file_stream->parent); |
862434ec MD |
1347 | if (ret) |
1348 | return ret; | |
0f980a35 MD |
1349 | } |
1350 | first_packet = 0; | |
1351 | ||
2d0bea29 | 1352 | if (file_stream->parent.stream_packet_context) { |
dc48ecad | 1353 | /* Read packet context */ |
2d0bea29 | 1354 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); |
c5e74408 MD |
1355 | if (ret) |
1356 | return ret; | |
dc48ecad | 1357 | /* read content size from header */ |
2d0bea29 | 1358 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size")); |
dc48ecad | 1359 | if (len_index >= 0) { |
b1a2f580 | 1360 | struct definition *field; |
dc48ecad | 1361 | |
2d0bea29 | 1362 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1363 | packet_index.content_size = get_unsigned_int(field); |
dc48ecad MD |
1364 | } else { |
1365 | /* Use file size for packet size */ | |
8c572eba | 1366 | packet_index.content_size = filestats.st_size * CHAR_BIT; |
dc48ecad MD |
1367 | } |
1368 | ||
1369 | /* read packet size from header */ | |
2d0bea29 | 1370 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size")); |
dc48ecad | 1371 | if (len_index >= 0) { |
b1a2f580 | 1372 | struct definition *field; |
dc48ecad | 1373 | |
2d0bea29 | 1374 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1375 | packet_index.packet_size = get_unsigned_int(field); |
dc48ecad MD |
1376 | } else { |
1377 | /* Use content size if non-zero, else file size */ | |
8c572eba | 1378 | packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT; |
dc48ecad | 1379 | } |
75cc2c35 MD |
1380 | |
1381 | /* read timestamp begin from header */ | |
2d0bea29 | 1382 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin")); |
75cc2c35 | 1383 | if (len_index >= 0) { |
75cc2c35 MD |
1384 | struct definition *field; |
1385 | ||
2d0bea29 | 1386 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1387 | packet_index.timestamp_begin = get_unsigned_int(field); |
03798a93 JD |
1388 | if (file_stream->parent.stream_class->trace->collection) { |
1389 | packet_index.timestamp_begin = | |
1390 | ctf_get_real_timestamp( | |
1391 | &file_stream->parent, | |
1392 | packet_index.timestamp_begin); | |
1393 | } | |
75cc2c35 MD |
1394 | } |
1395 | ||
1396 | /* read timestamp end from header */ | |
2d0bea29 | 1397 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end")); |
75cc2c35 | 1398 | if (len_index >= 0) { |
75cc2c35 MD |
1399 | struct definition *field; |
1400 | ||
2d0bea29 | 1401 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1402 | packet_index.timestamp_end = get_unsigned_int(field); |
03798a93 JD |
1403 | if (file_stream->parent.stream_class->trace->collection) { |
1404 | packet_index.timestamp_end = | |
1405 | ctf_get_real_timestamp( | |
1406 | &file_stream->parent, | |
1407 | packet_index.timestamp_end); | |
1408 | } | |
75cc2c35 | 1409 | } |
41e82e00 MD |
1410 | |
1411 | /* read events discarded from header */ | |
1412 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded")); | |
1413 | if (len_index >= 0) { | |
1414 | struct definition *field; | |
1415 | ||
1416 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); | |
1417 | packet_index.events_discarded = get_unsigned_int(field); | |
4c4ba021 | 1418 | packet_index.events_discarded_len = get_int_len(field); |
41e82e00 | 1419 | } |
0f980a35 MD |
1420 | } else { |
1421 | /* Use file size for packet size */ | |
8c572eba | 1422 | packet_index.content_size = filestats.st_size * CHAR_BIT; |
0f980a35 | 1423 | /* Use content size if non-zero, else file size */ |
8c572eba | 1424 | packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT; |
0f980a35 | 1425 | } |
546293fa MD |
1426 | |
1427 | /* Validate content size and packet size values */ | |
1428 | if (packet_index.content_size > packet_index.packet_size) { | |
7e18eedf | 1429 | fprintf(stderr, "[error] Content size (%" PRIu64 " bits) is larger than packet size (%" PRIu64 " bits).\n", |
546293fa MD |
1430 | packet_index.content_size, packet_index.packet_size); |
1431 | return -EINVAL; | |
1432 | } | |
1433 | ||
7e18eedf JN |
1434 | if (packet_index.packet_size > ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT) { |
1435 | fprintf(stderr, "[error] Packet size (%" PRIu64 " bits) is larger than remaining file size (%" PRIu64 " bits).\n", | |
0fe3c2c9 | 1436 | packet_index.packet_size, ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT); |
546293fa MD |
1437 | return -EINVAL; |
1438 | } | |
1439 | ||
847bf71a MD |
1440 | /* Save position after header and context */ |
1441 | packet_index.data_offset = pos->offset; | |
0f980a35 | 1442 | |
0f980a35 | 1443 | /* add index to packet array */ |
03798a93 | 1444 | g_array_append_val(file_stream->pos.packet_cycles_index, packet_index); |
0f980a35 | 1445 | |
8c572eba | 1446 | pos->mmap_offset += packet_index.packet_size / CHAR_BIT; |
0f980a35 MD |
1447 | } |
1448 | ||
1449 | return 0; | |
1450 | } | |
1451 | ||
e28d4618 | 1452 | static |
9e88d150 | 1453 | int create_trace_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream) |
e28d4618 MD |
1454 | { |
1455 | int ret; | |
1456 | ||
1457 | if (td->packet_header_decl) { | |
1458 | struct definition *definition = | |
1459 | td->packet_header_decl->p.definition_new(&td->packet_header_decl->p, | |
1460 | stream->parent_def_scope, 0, 0, "trace.packet.header"); | |
1461 | if (!definition) { | |
1462 | ret = -EINVAL; | |
1463 | goto error; | |
1464 | } | |
1465 | stream->trace_packet_header = | |
1466 | container_of(definition, struct definition_struct, p); | |
1467 | stream->parent_def_scope = stream->trace_packet_header->p.scope; | |
1468 | } | |
1469 | ||
1470 | return 0; | |
1471 | ||
1472 | error: | |
1473 | return ret; | |
1474 | } | |
1475 | ||
0f980a35 MD |
1476 | /* |
1477 | * Note: many file streams can inherit from the same stream class | |
1478 | * description (metadata). | |
1479 | */ | |
1480 | static | |
b086c01a | 1481 | int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags, |
20d0dcf9 | 1482 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
b086c01a | 1483 | int whence)) |
0f980a35 | 1484 | { |
ff075710 | 1485 | int ret, fd; |
0f980a35 | 1486 | struct ctf_file_stream *file_stream; |
ff075710 | 1487 | struct stat statbuf; |
0f980a35 | 1488 | |
ff075710 MD |
1489 | fd = openat(td->dirfd, path, flags); |
1490 | if (fd < 0) { | |
a569a564 | 1491 | perror("File stream openat()"); |
ff075710 | 1492 | ret = fd; |
0f980a35 | 1493 | goto error; |
a569a564 | 1494 | } |
ff075710 MD |
1495 | |
1496 | /* Don't try to mmap subdirectories. Skip them, return success. */ | |
1497 | ret = fstat(fd, &statbuf); | |
1498 | if (ret) { | |
1499 | perror("File stream fstat()"); | |
1500 | goto fstat_error; | |
1501 | } | |
1502 | if (S_ISDIR(statbuf.st_mode)) { | |
1503 | fprintf(stderr, "[warning] Skipping directory '%s' found in trace\n", path); | |
1504 | ret = 0; | |
1505 | goto fd_is_dir_ok; | |
1506 | } | |
1507 | ||
0f980a35 | 1508 | file_stream = g_new0(struct ctf_file_stream, 1); |
3a25e036 | 1509 | file_stream->pos.last_offset = LAST_OFFSET_POISON; |
b086c01a | 1510 | |
06789ffd MD |
1511 | if (packet_seek) { |
1512 | file_stream->pos.packet_seek = packet_seek; | |
b086c01a | 1513 | } else { |
06789ffd | 1514 | fprintf(stderr, "[error] packet_seek function undefined.\n"); |
b086c01a JD |
1515 | ret = -1; |
1516 | goto error_def; | |
1517 | } | |
1518 | ||
ff075710 | 1519 | ctf_init_pos(&file_stream->pos, fd, flags); |
2d0bea29 | 1520 | ret = create_trace_definitions(td, &file_stream->parent); |
e28d4618 MD |
1521 | if (ret) |
1522 | goto error_def; | |
25ccc85b | 1523 | /* |
50052405 | 1524 | * For now, only a single clock per trace is supported. |
25ccc85b MD |
1525 | */ |
1526 | file_stream->parent.current_clock = td->single_clock; | |
0f980a35 MD |
1527 | ret = create_stream_packet_index(td, file_stream); |
1528 | if (ret) | |
1529 | goto error_index; | |
1530 | /* Add stream file to stream class */ | |
2d0bea29 MD |
1531 | g_ptr_array_add(file_stream->parent.stream_class->streams, |
1532 | &file_stream->parent); | |
0f980a35 MD |
1533 | return 0; |
1534 | ||
1535 | error_index: | |
2d0bea29 MD |
1536 | if (file_stream->parent.trace_packet_header) |
1537 | definition_unref(&file_stream->parent.trace_packet_header->p); | |
e28d4618 | 1538 | error_def: |
46322b33 | 1539 | ctf_fini_pos(&file_stream->pos); |
0f980a35 | 1540 | g_free(file_stream); |
ff075710 MD |
1541 | fd_is_dir_ok: |
1542 | fstat_error: | |
1543 | close(fd); | |
0f980a35 | 1544 | error: |
65102a8c MD |
1545 | return ret; |
1546 | } | |
1547 | ||
bbefb8dd | 1548 | static |
5b80ddfb | 1549 | int ctf_open_trace_read(struct ctf_trace *td, |
8c250d87 | 1550 | const char *path, int flags, |
20d0dcf9 | 1551 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 1552 | int whence), FILE *metadata_fp) |
bbefb8dd MD |
1553 | { |
1554 | int ret; | |
65102a8c MD |
1555 | struct dirent *dirent; |
1556 | struct dirent *diriter; | |
1557 | size_t dirent_len; | |
bbefb8dd | 1558 | |
46322b33 | 1559 | td->flags = flags; |
bbefb8dd MD |
1560 | |
1561 | /* Open trace directory */ | |
46322b33 MD |
1562 | td->dir = opendir(path); |
1563 | if (!td->dir) { | |
6a6b384c | 1564 | fprintf(stderr, "[error] Unable to open trace directory \"%s\".\n", path); |
bbefb8dd MD |
1565 | ret = -ENOENT; |
1566 | goto error; | |
1567 | } | |
1568 | ||
46322b33 MD |
1569 | td->dirfd = open(path, 0); |
1570 | if (td->dirfd < 0) { | |
6a6b384c | 1571 | fprintf(stderr, "[error] Unable to open trace directory file descriptor for path \"%s\".\n", path); |
a569a564 MD |
1572 | perror("Trace directory open"); |
1573 | ret = -errno; | |
65102a8c MD |
1574 | goto error_dirfd; |
1575 | } | |
5b80ddfb MD |
1576 | strncpy(td->path, path, sizeof(td->path)); |
1577 | td->path[sizeof(td->path) - 1] = '\0'; | |
0f980a35 | 1578 | |
65102a8c MD |
1579 | /* |
1580 | * Keep the metadata file separate. | |
1581 | */ | |
bbefb8dd | 1582 | |
06789ffd | 1583 | ret = ctf_open_trace_metadata_read(td, packet_seek, metadata_fp); |
65102a8c | 1584 | if (ret) { |
6a6b384c | 1585 | fprintf(stderr, "[warning] Unable to open trace metadata for path \"%s\".\n", path); |
65102a8c MD |
1586 | goto error_metadata; |
1587 | } | |
bbefb8dd MD |
1588 | |
1589 | /* | |
1590 | * Open each stream: for each file, try to open, check magic | |
1591 | * number, and get the stream ID to add to the right location in | |
1592 | * the stream array. | |
bbefb8dd MD |
1593 | */ |
1594 | ||
65102a8c | 1595 | dirent_len = offsetof(struct dirent, d_name) + |
46322b33 | 1596 | fpathconf(td->dirfd, _PC_NAME_MAX) + 1; |
bbefb8dd | 1597 | |
65102a8c | 1598 | dirent = malloc(dirent_len); |
bbefb8dd | 1599 | |
65102a8c | 1600 | for (;;) { |
46322b33 | 1601 | ret = readdir_r(td->dir, dirent, &diriter); |
65102a8c | 1602 | if (ret) { |
3394d22e | 1603 | fprintf(stderr, "[error] Readdir error.\n"); |
65102a8c | 1604 | goto readdir_error; |
65102a8c MD |
1605 | } |
1606 | if (!diriter) | |
1607 | break; | |
d8ea2d29 MD |
1608 | /* Ignore hidden files, ., .. and metadata. */ |
1609 | if (!strncmp(diriter->d_name, ".", 1) | |
65102a8c MD |
1610 | || !strcmp(diriter->d_name, "..") |
1611 | || !strcmp(diriter->d_name, "metadata")) | |
1612 | continue; | |
06789ffd MD |
1613 | ret = ctf_open_file_stream_read(td, diriter->d_name, |
1614 | flags, packet_seek); | |
dc48ecad | 1615 | if (ret) { |
3394d22e | 1616 | fprintf(stderr, "[error] Open file stream error.\n"); |
dc48ecad MD |
1617 | goto readdir_error; |
1618 | } | |
65102a8c | 1619 | } |
bbefb8dd | 1620 | |
65102a8c | 1621 | free(dirent); |
bbefb8dd | 1622 | return 0; |
65102a8c MD |
1623 | |
1624 | readdir_error: | |
1625 | free(dirent); | |
1626 | error_metadata: | |
46322b33 | 1627 | close(td->dirfd); |
65102a8c | 1628 | error_dirfd: |
46322b33 | 1629 | closedir(td->dir); |
bbefb8dd MD |
1630 | error: |
1631 | return ret; | |
1632 | } | |
1633 | ||
03798a93 JD |
1634 | /* |
1635 | * ctf_open_trace: Open a CTF trace and index it. | |
1636 | * Note that the user must seek the trace after the open (using the iterator) | |
1637 | * since the index creation read it entirely. | |
1638 | */ | |
e9378815 | 1639 | static |
5b80ddfb | 1640 | struct trace_descriptor *ctf_open_trace(const char *path, int flags, |
20d0dcf9 | 1641 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 1642 | int whence), FILE *metadata_fp) |
bbefb8dd | 1643 | { |
46322b33 | 1644 | struct ctf_trace *td; |
bbefb8dd MD |
1645 | int ret; |
1646 | ||
2715de36 MD |
1647 | /* |
1648 | * If packet_seek is NULL, we provide our default version. | |
1649 | */ | |
1650 | if (!packet_seek) | |
1651 | packet_seek = ctf_packet_seek; | |
1652 | ||
46322b33 | 1653 | td = g_new0(struct ctf_trace, 1); |
bbefb8dd | 1654 | |
8c572eba | 1655 | switch (flags & O_ACCMODE) { |
bbefb8dd | 1656 | case O_RDONLY: |
b61922b5 | 1657 | if (!path) { |
3394d22e | 1658 | fprintf(stderr, "[error] Path missing for input CTF trace.\n"); |
b61922b5 MD |
1659 | goto error; |
1660 | } | |
06789ffd | 1661 | ret = ctf_open_trace_read(td, path, flags, packet_seek, metadata_fp); |
bbefb8dd MD |
1662 | if (ret) |
1663 | goto error; | |
1664 | break; | |
989c73bc | 1665 | case O_RDWR: |
3394d22e | 1666 | fprintf(stderr, "[error] Opening CTF traces for output is not supported yet.\n"); |
46322b33 | 1667 | goto error; |
bbefb8dd | 1668 | default: |
3394d22e | 1669 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
bbefb8dd MD |
1670 | goto error; |
1671 | } | |
1672 | ||
46322b33 | 1673 | return &td->parent; |
bbefb8dd MD |
1674 | error: |
1675 | g_free(td); | |
1676 | return NULL; | |
1677 | } | |
1678 | ||
f571dfb1 JD |
1679 | |
1680 | void ctf_init_mmap_pos(struct ctf_stream_pos *pos, | |
1681 | struct mmap_stream *mmap_info) | |
1682 | { | |
1683 | pos->mmap_offset = 0; | |
1684 | pos->packet_size = 0; | |
1685 | pos->content_size = 0; | |
1686 | pos->content_size_loc = NULL; | |
1687 | pos->fd = mmap_info->fd; | |
aee35fcc | 1688 | pos->base_mma = NULL; |
f571dfb1 JD |
1689 | pos->offset = 0; |
1690 | pos->dummy = false; | |
1691 | pos->cur_index = 0; | |
03798a93 JD |
1692 | pos->packet_cycles_index = NULL; |
1693 | pos->packet_real_index = NULL; | |
f571dfb1 JD |
1694 | pos->prot = PROT_READ; |
1695 | pos->flags = MAP_PRIVATE; | |
1696 | pos->parent.rw_table = read_dispatch_table; | |
1697 | pos->parent.event_cb = ctf_read_event; | |
1698 | } | |
1699 | ||
1700 | static | |
1701 | int prepare_mmap_stream_definition(struct ctf_trace *td, | |
1702 | struct ctf_file_stream *file_stream) | |
1703 | { | |
f380e105 | 1704 | struct ctf_stream_declaration *stream; |
f571dfb1 JD |
1705 | uint64_t stream_id = 0; |
1706 | int ret; | |
1707 | ||
1708 | file_stream->parent.stream_id = stream_id; | |
1709 | if (stream_id >= td->streams->len) { | |
3394d22e | 1710 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared " |
f571dfb1 JD |
1711 | "in metadata.\n", stream_id); |
1712 | ret = -EINVAL; | |
1713 | goto end; | |
1714 | } | |
1715 | stream = g_ptr_array_index(td->streams, stream_id); | |
1716 | if (!stream) { | |
3394d22e | 1717 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared " |
f571dfb1 JD |
1718 | "in metadata.\n", stream_id); |
1719 | ret = -EINVAL; | |
1720 | goto end; | |
1721 | } | |
1722 | file_stream->parent.stream_class = stream; | |
1723 | ret = create_stream_definitions(td, &file_stream->parent); | |
1724 | end: | |
1725 | return ret; | |
1726 | } | |
1727 | ||
1728 | static | |
1729 | int ctf_open_mmap_stream_read(struct ctf_trace *td, | |
1730 | struct mmap_stream *mmap_info, | |
20d0dcf9 | 1731 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
f571dfb1 JD |
1732 | int whence)) |
1733 | { | |
1734 | int ret; | |
1735 | struct ctf_file_stream *file_stream; | |
1736 | ||
1737 | file_stream = g_new0(struct ctf_file_stream, 1); | |
3a25e036 | 1738 | file_stream->pos.last_offset = LAST_OFFSET_POISON; |
f571dfb1 JD |
1739 | ctf_init_mmap_pos(&file_stream->pos, mmap_info); |
1740 | ||
06789ffd | 1741 | file_stream->pos.packet_seek = packet_seek; |
f571dfb1 JD |
1742 | |
1743 | ret = create_trace_definitions(td, &file_stream->parent); | |
1744 | if (ret) { | |
1745 | goto error_def; | |
1746 | } | |
1747 | ||
1748 | ret = prepare_mmap_stream_definition(td, file_stream); | |
1749 | if (ret) | |
1750 | goto error_index; | |
1751 | ||
f7bbd502 | 1752 | /* |
50052405 | 1753 | * For now, only a single clock per trace is supported. |
f7bbd502 JD |
1754 | */ |
1755 | file_stream->parent.current_clock = td->single_clock; | |
1756 | ||
f571dfb1 JD |
1757 | /* Add stream file to stream class */ |
1758 | g_ptr_array_add(file_stream->parent.stream_class->streams, | |
1759 | &file_stream->parent); | |
1760 | return 0; | |
1761 | ||
1762 | error_index: | |
1763 | if (file_stream->parent.trace_packet_header) | |
1764 | definition_unref(&file_stream->parent.trace_packet_header->p); | |
1765 | error_def: | |
1766 | g_free(file_stream); | |
1767 | return ret; | |
1768 | } | |
1769 | ||
1770 | int ctf_open_mmap_trace_read(struct ctf_trace *td, | |
1771 | struct mmap_stream_list *mmap_list, | |
20d0dcf9 | 1772 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
f571dfb1 JD |
1773 | int whence), |
1774 | FILE *metadata_fp) | |
1775 | { | |
1776 | int ret; | |
1777 | struct mmap_stream *mmap_info; | |
1778 | ||
06789ffd | 1779 | ret = ctf_open_trace_metadata_read(td, ctf_packet_seek, metadata_fp); |
f571dfb1 JD |
1780 | if (ret) { |
1781 | goto error; | |
1782 | } | |
1783 | ||
1784 | /* | |
1785 | * for each stream, try to open, check magic number, and get the | |
1786 | * stream ID to add to the right location in the stream array. | |
1787 | */ | |
3122e6f0 | 1788 | bt_list_for_each_entry(mmap_info, &mmap_list->head, list) { |
06789ffd | 1789 | ret = ctf_open_mmap_stream_read(td, mmap_info, packet_seek); |
f571dfb1 | 1790 | if (ret) { |
3394d22e | 1791 | fprintf(stderr, "[error] Open file mmap stream error.\n"); |
f571dfb1 JD |
1792 | goto error; |
1793 | } | |
1794 | } | |
1795 | ||
1796 | return 0; | |
1797 | ||
1798 | error: | |
1799 | return ret; | |
1800 | } | |
1801 | ||
1802 | static | |
1803 | struct trace_descriptor *ctf_open_mmap_trace( | |
1804 | struct mmap_stream_list *mmap_list, | |
20d0dcf9 MD |
1805 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
1806 | int whence), | |
f571dfb1 JD |
1807 | FILE *metadata_fp) |
1808 | { | |
1809 | struct ctf_trace *td; | |
1810 | int ret; | |
1811 | ||
1812 | if (!metadata_fp) { | |
1813 | fprintf(stderr, "[error] No metadata file pointer associated, " | |
1814 | "required for mmap parsing\n"); | |
1815 | goto error; | |
1816 | } | |
06789ffd MD |
1817 | if (!packet_seek) { |
1818 | fprintf(stderr, "[error] packet_seek function undefined.\n"); | |
f571dfb1 JD |
1819 | goto error; |
1820 | } | |
1821 | td = g_new0(struct ctf_trace, 1); | |
06789ffd | 1822 | ret = ctf_open_mmap_trace_read(td, mmap_list, packet_seek, metadata_fp); |
f571dfb1 JD |
1823 | if (ret) |
1824 | goto error_free; | |
1825 | ||
1826 | return &td->parent; | |
1827 | ||
1828 | error_free: | |
1829 | g_free(td); | |
1830 | error: | |
1831 | return NULL; | |
1832 | } | |
1833 | ||
03798a93 JD |
1834 | static |
1835 | int ctf_convert_index_timestamp(struct trace_descriptor *tdp) | |
1836 | { | |
1837 | int i, j, k; | |
1838 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); | |
1839 | ||
1840 | /* for each stream_class */ | |
1841 | for (i = 0; i < td->streams->len; i++) { | |
1842 | struct ctf_stream_declaration *stream_class; | |
1843 | ||
1844 | stream_class = g_ptr_array_index(td->streams, i); | |
1845 | if (!stream_class) | |
1846 | continue; | |
1847 | /* for each file_stream */ | |
1848 | for (j = 0; j < stream_class->streams->len; j++) { | |
1849 | struct ctf_stream_definition *stream; | |
1850 | struct ctf_stream_pos *stream_pos; | |
1851 | struct ctf_file_stream *cfs; | |
1852 | ||
1853 | stream = g_ptr_array_index(stream_class->streams, j); | |
1854 | if (!stream) | |
1855 | continue; | |
1856 | cfs = container_of(stream, struct ctf_file_stream, | |
1857 | parent); | |
1858 | stream_pos = &cfs->pos; | |
afe9cd4a JD |
1859 | if (!stream_pos->packet_cycles_index) |
1860 | continue; | |
1861 | ||
03798a93 JD |
1862 | for (k = 0; k < stream_pos->packet_cycles_index->len; k++) { |
1863 | struct packet_index *index; | |
1864 | struct packet_index new_index; | |
1865 | ||
1866 | index = &g_array_index(stream_pos->packet_cycles_index, | |
1867 | struct packet_index, k); | |
1868 | memcpy(&new_index, index, | |
1869 | sizeof(struct packet_index)); | |
1870 | new_index.timestamp_begin = | |
1871 | ctf_get_real_timestamp(stream, | |
1872 | index->timestamp_begin); | |
1873 | new_index.timestamp_end = | |
1874 | ctf_get_real_timestamp(stream, | |
1875 | index->timestamp_end); | |
1876 | g_array_append_val(stream_pos->packet_real_index, | |
1877 | new_index); | |
1878 | } | |
1879 | } | |
1880 | } | |
1881 | return 0; | |
1882 | } | |
1883 | ||
0f980a35 MD |
1884 | static |
1885 | void ctf_close_file_stream(struct ctf_file_stream *file_stream) | |
1886 | { | |
46322b33 | 1887 | ctf_fini_pos(&file_stream->pos); |
0f980a35 MD |
1888 | close(file_stream->pos.fd); |
1889 | } | |
1890 | ||
e9378815 | 1891 | static |
46322b33 | 1892 | void ctf_close_trace(struct trace_descriptor *tdp) |
bbefb8dd | 1893 | { |
46322b33 | 1894 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); |
0f980a35 MD |
1895 | int i; |
1896 | ||
46322b33 MD |
1897 | if (td->streams) { |
1898 | for (i = 0; i < td->streams->len; i++) { | |
f380e105 | 1899 | struct ctf_stream_declaration *stream; |
0f980a35 | 1900 | int j; |
e9378815 | 1901 | |
46322b33 | 1902 | stream = g_ptr_array_index(td->streams, i); |
e9378815 MD |
1903 | if (!stream) |
1904 | continue; | |
2d0bea29 | 1905 | for (j = 0; j < stream->streams->len; j++) { |
0f980a35 | 1906 | struct ctf_file_stream *file_stream; |
15d4fe3c JD |
1907 | file_stream = container_of(g_ptr_array_index(stream->streams, j), |
1908 | struct ctf_file_stream, parent); | |
0f980a35 MD |
1909 | ctf_close_file_stream(file_stream); |
1910 | } | |
e003ab50 | 1911 | } |
e003ab50 | 1912 | } |
15d4fe3c | 1913 | ctf_destroy_metadata(td); |
46322b33 | 1914 | closedir(td->dir); |
bbefb8dd MD |
1915 | g_free(td); |
1916 | } | |
1917 | ||
98a04903 JD |
1918 | static |
1919 | void ctf_set_context(struct trace_descriptor *descriptor, | |
1920 | struct bt_context *ctx) | |
1921 | { | |
1922 | struct ctf_trace *td = container_of(descriptor, struct ctf_trace, | |
1923 | parent); | |
1924 | ||
1925 | td->ctx = ctx; | |
1926 | } | |
1927 | ||
1928 | static | |
1929 | void ctf_set_handle(struct trace_descriptor *descriptor, | |
1930 | struct bt_trace_handle *handle) | |
1931 | { | |
1932 | struct ctf_trace *td = container_of(descriptor, struct ctf_trace, | |
1933 | parent); | |
1934 | ||
1935 | td->handle = handle; | |
1936 | } | |
1937 | ||
7fb21036 | 1938 | void __attribute__((constructor)) ctf_init(void) |
fc93b2bd MD |
1939 | { |
1940 | int ret; | |
1941 | ||
4c8bfb7e | 1942 | ctf_format.name = g_quark_from_static_string("ctf"); |
fc93b2bd MD |
1943 | ret = bt_register_format(&ctf_format); |
1944 | assert(!ret); | |
1945 | } | |
698f0fe4 MD |
1946 | |
1947 | /* TODO: finalize */ |