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. | |
c462e188 MD |
19 | * |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
fc93b2bd MD |
27 | */ |
28 | ||
29 | #include <babeltrace/format.h> | |
30 | #include <babeltrace/ctf/types.h> | |
bbefb8dd | 31 | #include <babeltrace/ctf/metadata.h> |
70bd0a12 | 32 | #include <babeltrace/babeltrace-internal.h> |
e4195791 | 33 | #include <babeltrace/ctf/events-internal.h> |
98a04903 JD |
34 | #include <babeltrace/trace-handle-internal.h> |
35 | #include <babeltrace/context-internal.h> | |
43e34335 MD |
36 | #include <babeltrace/uuid.h> |
37 | #include <babeltrace/endian.h> | |
0f980a35 | 38 | #include <inttypes.h> |
b4c19c1e | 39 | #include <stdio.h> |
0f980a35 | 40 | #include <sys/mman.h> |
bbefb8dd | 41 | #include <errno.h> |
bbefb8dd | 42 | #include <sys/types.h> |
65102a8c | 43 | #include <sys/stat.h> |
bbefb8dd | 44 | #include <fcntl.h> |
65102a8c | 45 | #include <dirent.h> |
bbefb8dd | 46 | #include <glib.h> |
65102a8c MD |
47 | #include <unistd.h> |
48 | #include <stdlib.h> | |
49 | ||
65102a8c MD |
50 | #include "metadata/ctf-scanner.h" |
51 | #include "metadata/ctf-parser.h" | |
52 | #include "metadata/ctf-ast.h" | |
c34ea0fa | 53 | #include "events-private.h" |
f8370579 | 54 | #include "memstream.h" |
65102a8c | 55 | |
0f980a35 MD |
56 | /* |
57 | * We currently simply map a page to read the packet header and packet | |
8c572eba | 58 | * context to get the packet length and content length. (in bits) |
0f980a35 | 59 | */ |
8c572eba MD |
60 | #define MAX_PACKET_HEADER_LEN (getpagesize() * CHAR_BIT) |
61 | #define WRITE_PACKET_LEN (getpagesize() * 8 * CHAR_BIT) | |
0f980a35 | 62 | |
a0fe7d97 MD |
63 | #ifndef min |
64 | #define min(a, b) (((a) < (b)) ? (a) : (b)) | |
65 | #endif | |
66 | ||
7d97fad9 MD |
67 | #define NSEC_PER_SEC 1000000000ULL |
68 | ||
03798a93 | 69 | int opt_clock_cycles, |
7d97fad9 MD |
70 | opt_clock_seconds, |
71 | opt_clock_date, | |
72 | opt_clock_gmt; | |
73 | ||
74 | uint64_t opt_clock_offset; | |
75 | ||
65102a8c | 76 | extern int yydebug; |
bbefb8dd | 77 | |
e9378815 | 78 | static |
5b80ddfb | 79 | struct trace_descriptor *ctf_open_trace(const char *path, int flags, |
20d0dcf9 MD |
80 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
81 | int whence), | |
82 | FILE *metadata_fp); | |
e9378815 | 83 | static |
f571dfb1 JD |
84 | struct trace_descriptor *ctf_open_mmap_trace( |
85 | struct mmap_stream_list *mmap_list, | |
20d0dcf9 MD |
86 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
87 | int whence), | |
f571dfb1 | 88 | FILE *metadata_fp); |
98a04903 JD |
89 | static |
90 | void ctf_set_context(struct trace_descriptor *descriptor, | |
91 | struct bt_context *ctx); | |
92 | static | |
93 | void ctf_set_handle(struct trace_descriptor *descriptor, | |
94 | struct bt_trace_handle *handle); | |
f571dfb1 JD |
95 | |
96 | static | |
f824ae04 | 97 | int ctf_close_trace(struct trace_descriptor *descriptor); |
30c276af JD |
98 | static |
99 | uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor, | |
03798a93 | 100 | struct bt_trace_handle *handle, enum bt_clock_type type); |
30c276af JD |
101 | static |
102 | uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor, | |
03798a93 JD |
103 | struct bt_trace_handle *handle, enum bt_clock_type type); |
104 | static | |
105 | int ctf_convert_index_timestamp(struct trace_descriptor *tdp); | |
fc93b2bd | 106 | |
1ae19169 MD |
107 | static |
108 | rw_dispatch read_dispatch_table[] = { | |
d11e9c49 MD |
109 | [ CTF_TYPE_INTEGER ] = ctf_integer_read, |
110 | [ CTF_TYPE_FLOAT ] = ctf_float_read, | |
111 | [ CTF_TYPE_ENUM ] = ctf_enum_read, | |
112 | [ CTF_TYPE_STRING ] = ctf_string_read, | |
113 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
114 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
115 | [ CTF_TYPE_ARRAY ] = ctf_array_read, |
116 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_read, | |
d11e9c49 MD |
117 | }; |
118 | ||
1ae19169 MD |
119 | static |
120 | rw_dispatch write_dispatch_table[] = { | |
d11e9c49 MD |
121 | [ CTF_TYPE_INTEGER ] = ctf_integer_write, |
122 | [ CTF_TYPE_FLOAT ] = ctf_float_write, | |
123 | [ CTF_TYPE_ENUM ] = ctf_enum_write, | |
124 | [ CTF_TYPE_STRING ] = ctf_string_write, | |
125 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
126 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
127 | [ CTF_TYPE_ARRAY ] = ctf_array_write, |
128 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_write, | |
d11e9c49 MD |
129 | }; |
130 | ||
1ae19169 | 131 | static |
d11e9c49 | 132 | struct format ctf_format = { |
bbefb8dd | 133 | .open_trace = ctf_open_trace, |
f571dfb1 | 134 | .open_mmap_trace = ctf_open_mmap_trace, |
bbefb8dd | 135 | .close_trace = ctf_close_trace, |
98a04903 JD |
136 | .set_context = ctf_set_context, |
137 | .set_handle = ctf_set_handle, | |
30c276af JD |
138 | .timestamp_begin = ctf_timestamp_begin, |
139 | .timestamp_end = ctf_timestamp_end, | |
03798a93 | 140 | .convert_index_timestamp = ctf_convert_index_timestamp, |
fc93b2bd MD |
141 | }; |
142 | ||
30c276af JD |
143 | static |
144 | uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor, | |
03798a93 | 145 | struct bt_trace_handle *handle, enum bt_clock_type type) |
30c276af JD |
146 | { |
147 | struct ctf_trace *tin; | |
148 | uint64_t begin = ULLONG_MAX; | |
149 | int i, j; | |
150 | ||
151 | tin = container_of(descriptor, struct ctf_trace, parent); | |
152 | ||
153 | if (!tin) | |
154 | goto error; | |
155 | ||
156 | /* for each stream_class */ | |
157 | for (i = 0; i < tin->streams->len; i++) { | |
158 | struct ctf_stream_declaration *stream_class; | |
159 | ||
160 | stream_class = g_ptr_array_index(tin->streams, i); | |
1b01ffc2 MD |
161 | if (!stream_class) |
162 | continue; | |
30c276af JD |
163 | /* for each file_stream */ |
164 | for (j = 0; j < stream_class->streams->len; j++) { | |
165 | struct ctf_stream_definition *stream; | |
166 | struct ctf_file_stream *cfs; | |
167 | struct ctf_stream_pos *stream_pos; | |
168 | struct packet_index *index; | |
169 | ||
170 | stream = g_ptr_array_index(stream_class->streams, j); | |
171 | cfs = container_of(stream, struct ctf_file_stream, | |
172 | parent); | |
173 | stream_pos = &cfs->pos; | |
174 | ||
03798a93 JD |
175 | if (!stream_pos->packet_real_index) |
176 | goto error; | |
177 | ||
afe9cd4a JD |
178 | if (stream_pos->packet_real_index->len <= 0) |
179 | continue; | |
180 | ||
03798a93 JD |
181 | if (type == BT_CLOCK_REAL) { |
182 | index = &g_array_index(stream_pos->packet_real_index, | |
183 | struct packet_index, | |
184 | stream_pos->packet_real_index->len - 1); | |
185 | } else if (type == BT_CLOCK_CYCLES) { | |
186 | index = &g_array_index(stream_pos->packet_cycles_index, | |
187 | struct packet_index, | |
188 | stream_pos->packet_real_index->len - 1); | |
189 | ||
190 | } else { | |
191 | goto error; | |
192 | } | |
30c276af JD |
193 | if (index->timestamp_begin < begin) |
194 | begin = index->timestamp_begin; | |
195 | } | |
196 | } | |
197 | ||
198 | return begin; | |
199 | ||
200 | error: | |
201 | return -1ULL; | |
202 | } | |
203 | ||
204 | static | |
205 | uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor, | |
03798a93 | 206 | struct bt_trace_handle *handle, enum bt_clock_type type) |
30c276af JD |
207 | { |
208 | struct ctf_trace *tin; | |
209 | uint64_t end = 0; | |
210 | int i, j; | |
211 | ||
212 | tin = container_of(descriptor, struct ctf_trace, parent); | |
213 | ||
214 | if (!tin) | |
215 | goto error; | |
216 | ||
217 | /* for each stream_class */ | |
218 | for (i = 0; i < tin->streams->len; i++) { | |
219 | struct ctf_stream_declaration *stream_class; | |
220 | ||
221 | stream_class = g_ptr_array_index(tin->streams, i); | |
1b01ffc2 MD |
222 | if (!stream_class) |
223 | continue; | |
30c276af JD |
224 | /* for each file_stream */ |
225 | for (j = 0; j < stream_class->streams->len; j++) { | |
226 | struct ctf_stream_definition *stream; | |
227 | struct ctf_file_stream *cfs; | |
228 | struct ctf_stream_pos *stream_pos; | |
229 | struct packet_index *index; | |
230 | ||
231 | stream = g_ptr_array_index(stream_class->streams, j); | |
232 | cfs = container_of(stream, struct ctf_file_stream, | |
233 | parent); | |
234 | stream_pos = &cfs->pos; | |
235 | ||
03798a93 JD |
236 | if (!stream_pos->packet_real_index) |
237 | goto error; | |
238 | ||
afe9cd4a JD |
239 | if (stream_pos->packet_real_index->len <= 0) |
240 | continue; | |
241 | ||
03798a93 JD |
242 | if (type == BT_CLOCK_REAL) { |
243 | index = &g_array_index(stream_pos->packet_real_index, | |
244 | struct packet_index, | |
245 | stream_pos->packet_real_index->len - 1); | |
246 | } else if (type == BT_CLOCK_CYCLES) { | |
247 | index = &g_array_index(stream_pos->packet_cycles_index, | |
248 | struct packet_index, | |
249 | stream_pos->packet_real_index->len - 1); | |
250 | ||
251 | } else { | |
252 | goto error; | |
253 | } | |
30c276af JD |
254 | if (index->timestamp_end > end) |
255 | end = index->timestamp_end; | |
256 | } | |
257 | } | |
258 | ||
259 | return end; | |
260 | ||
261 | error: | |
262 | return -1ULL; | |
263 | } | |
264 | ||
25ccc85b | 265 | /* |
03798a93 | 266 | * Update stream current timestamp |
25ccc85b | 267 | */ |
2b9a764d | 268 | static |
9e88d150 | 269 | void ctf_update_timestamp(struct ctf_stream_definition *stream, |
2b9a764d MD |
270 | struct definition_integer *integer_definition) |
271 | { | |
272 | struct declaration_integer *integer_declaration = | |
273 | integer_definition->declaration; | |
274 | uint64_t oldval, newval, updateval; | |
275 | ||
7f3f572b | 276 | if (unlikely(integer_declaration->len == 64)) { |
03798a93 JD |
277 | stream->prev_cycles_timestamp = stream->cycles_timestamp; |
278 | stream->cycles_timestamp = integer_definition->value._unsigned; | |
279 | stream->prev_real_timestamp = ctf_get_real_timestamp(stream, | |
280 | stream->prev_cycles_timestamp); | |
281 | stream->real_timestamp = ctf_get_real_timestamp(stream, | |
282 | stream->cycles_timestamp); | |
2b9a764d MD |
283 | return; |
284 | } | |
285 | /* keep low bits */ | |
03798a93 | 286 | oldval = stream->cycles_timestamp; |
2b9a764d MD |
287 | oldval &= (1ULL << integer_declaration->len) - 1; |
288 | newval = integer_definition->value._unsigned; | |
289 | /* Test for overflow by comparing low bits */ | |
290 | if (newval < oldval) | |
291 | newval += 1ULL << integer_declaration->len; | |
292 | /* updateval contains old high bits, and new low bits (sum) */ | |
03798a93 | 293 | updateval = stream->cycles_timestamp; |
2b9a764d MD |
294 | updateval &= ~((1ULL << integer_declaration->len) - 1); |
295 | updateval += newval; | |
03798a93 JD |
296 | stream->prev_cycles_timestamp = stream->cycles_timestamp; |
297 | stream->cycles_timestamp = updateval; | |
298 | ||
299 | /* convert to real timestamp */ | |
300 | stream->prev_real_timestamp = ctf_get_real_timestamp(stream, | |
301 | stream->prev_cycles_timestamp); | |
302 | stream->real_timestamp = ctf_get_real_timestamp(stream, | |
303 | stream->cycles_timestamp); | |
2b9a764d MD |
304 | } |
305 | ||
25ccc85b MD |
306 | /* |
307 | * Print timestamp, rescaling clock frequency to nanoseconds and | |
308 | * applying offsets as needed (unix time). | |
309 | */ | |
03798a93 | 310 | void ctf_print_timestamp_real(FILE *fp, |
9e88d150 | 311 | struct ctf_stream_definition *stream, |
7d97fad9 MD |
312 | uint64_t timestamp) |
313 | { | |
314 | uint64_t ts_sec = 0, ts_nsec; | |
7d97fad9 | 315 | |
03798a93 | 316 | ts_nsec = timestamp; |
7d97fad9 | 317 | |
c34ea0fa | 318 | /* Add command-line offset */ |
7d97fad9 MD |
319 | ts_sec += opt_clock_offset; |
320 | ||
321 | ts_sec += ts_nsec / NSEC_PER_SEC; | |
322 | ts_nsec = ts_nsec % NSEC_PER_SEC; | |
323 | ||
324 | if (!opt_clock_seconds) { | |
325 | struct tm tm; | |
326 | time_t time_s = (time_t) ts_sec; | |
327 | ||
328 | if (!opt_clock_gmt) { | |
329 | struct tm *res; | |
330 | ||
331 | res = localtime_r(&time_s, &tm); | |
332 | if (!res) { | |
333 | fprintf(stderr, "[warning] Unable to get localtime.\n"); | |
334 | goto seconds; | |
335 | } | |
336 | } else { | |
337 | struct tm *res; | |
338 | ||
339 | res = gmtime_r(&time_s, &tm); | |
340 | if (!res) { | |
341 | fprintf(stderr, "[warning] Unable to get gmtime.\n"); | |
342 | goto seconds; | |
343 | } | |
344 | } | |
345 | if (opt_clock_date) { | |
346 | char timestr[26]; | |
347 | size_t res; | |
348 | ||
349 | /* Print date and time */ | |
350 | res = strftime(timestr, sizeof(timestr), | |
351 | "%F ", &tm); | |
352 | if (!res) { | |
353 | fprintf(stderr, "[warning] Unable to print ascii time.\n"); | |
354 | goto seconds; | |
355 | } | |
356 | fprintf(fp, "%s", timestr); | |
357 | } | |
358 | /* Print time in HH:MM:SS.ns */ | |
359 | fprintf(fp, "%02d:%02d:%02d.%09" PRIu64, | |
360 | tm.tm_hour, tm.tm_min, tm.tm_sec, ts_nsec); | |
361 | goto end; | |
362 | } | |
363 | seconds: | |
364 | fprintf(fp, "%3" PRIu64 ".%09" PRIu64, | |
365 | ts_sec, ts_nsec); | |
366 | ||
367 | end: | |
368 | return; | |
369 | } | |
370 | ||
03798a93 JD |
371 | /* |
372 | * Print timestamp, in cycles | |
373 | */ | |
374 | void ctf_print_timestamp_cycles(FILE *fp, | |
375 | struct ctf_stream_definition *stream, | |
376 | uint64_t timestamp) | |
377 | { | |
378 | fprintf(fp, "%020" PRIu64, timestamp); | |
379 | } | |
380 | ||
381 | void ctf_print_timestamp(FILE *fp, | |
382 | struct ctf_stream_definition *stream, | |
383 | uint64_t timestamp) | |
384 | { | |
385 | if (opt_clock_cycles) { | |
386 | ctf_print_timestamp_cycles(fp, stream, timestamp); | |
387 | } else { | |
388 | ctf_print_timestamp_real(fp, stream, timestamp); | |
389 | } | |
390 | } | |
391 | ||
31262354 | 392 | static |
9e88d150 | 393 | int ctf_read_event(struct stream_pos *ppos, struct ctf_stream_definition *stream) |
31262354 MD |
394 | { |
395 | struct ctf_stream_pos *pos = | |
396 | container_of(ppos, struct ctf_stream_pos, parent); | |
f380e105 | 397 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
c716f83b | 398 | struct ctf_event_definition *event; |
31262354 | 399 | uint64_t id = 0; |
31262354 MD |
400 | int ret; |
401 | ||
3abe83c7 MD |
402 | /* We need to check for EOF here for empty files. */ |
403 | if (unlikely(pos->offset == EOF)) | |
404 | return EOF; | |
405 | ||
5f643ed7 MD |
406 | ctf_pos_get_event(pos); |
407 | ||
90fcbacc JD |
408 | /* save the current position as a restore point */ |
409 | pos->last_offset = pos->offset; | |
90fcbacc | 410 | |
3abe83c7 MD |
411 | /* |
412 | * This is the EOF check after we've advanced the position in | |
413 | * ctf_pos_get_event. | |
414 | */ | |
7f3f572b | 415 | if (unlikely(pos->offset == EOF)) |
31262354 | 416 | return EOF; |
5f643ed7 | 417 | assert(pos->offset < pos->content_size); |
31262354 MD |
418 | |
419 | /* Read event header */ | |
7f3f572b | 420 | if (likely(stream->stream_event_header)) { |
a35173fe | 421 | struct definition_integer *integer_definition; |
ccdb988e | 422 | struct definition *variant; |
a35173fe | 423 | |
e28d4618 | 424 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
7f3f572b | 425 | if (unlikely(ret)) |
31262354 MD |
426 | goto error; |
427 | /* lookup event id */ | |
e28d4618 | 428 | integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
429 | if (integer_definition) { |
430 | id = integer_definition->value._unsigned; | |
431 | } else { | |
432 | struct definition_enum *enum_definition; | |
433 | ||
e28d4618 | 434 | enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
435 | if (enum_definition) { |
436 | id = enum_definition->integer->value._unsigned; | |
437 | } | |
31262354 | 438 | } |
764af3f4 | 439 | |
e28d4618 | 440 | variant = lookup_variant(&stream->stream_event_header->p, "v"); |
ccdb988e MD |
441 | if (variant) { |
442 | integer_definition = lookup_integer(variant, "id", FALSE); | |
443 | if (integer_definition) { | |
444 | id = integer_definition->value._unsigned; | |
445 | } | |
446 | } | |
c87a8eb2 | 447 | stream->event_id = id; |
ccdb988e | 448 | |
764af3f4 | 449 | /* lookup timestamp */ |
5e2eb0ae | 450 | stream->has_timestamp = 0; |
e28d4618 | 451 | integer_definition = lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE); |
a35173fe | 452 | if (integer_definition) { |
2b9a764d | 453 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 454 | stream->has_timestamp = 1; |
a35173fe | 455 | } else { |
ccdb988e MD |
456 | if (variant) { |
457 | integer_definition = lookup_integer(variant, "timestamp", FALSE); | |
a35173fe | 458 | if (integer_definition) { |
2b9a764d | 459 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 460 | stream->has_timestamp = 1; |
a35173fe MD |
461 | } |
462 | } | |
764af3f4 | 463 | } |
31262354 MD |
464 | } |
465 | ||
466 | /* Read stream-declared event context */ | |
e28d4618 MD |
467 | if (stream->stream_event_context) { |
468 | ret = generic_rw(ppos, &stream->stream_event_context->p); | |
31262354 MD |
469 | if (ret) |
470 | goto error; | |
471 | } | |
472 | ||
7f3f572b | 473 | if (unlikely(id >= stream_class->events_by_id->len)) { |
3394d22e | 474 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
475 | return -EINVAL; |
476 | } | |
e28d4618 | 477 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 478 | if (unlikely(!event)) { |
3394d22e | 479 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
480 | return -EINVAL; |
481 | } | |
482 | ||
483 | /* Read event-declared event context */ | |
e28d4618 MD |
484 | if (event->event_context) { |
485 | ret = generic_rw(ppos, &event->event_context->p); | |
31262354 MD |
486 | if (ret) |
487 | goto error; | |
488 | } | |
489 | ||
490 | /* Read event payload */ | |
7f3f572b | 491 | if (likely(event->event_fields)) { |
e28d4618 | 492 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
493 | if (ret) |
494 | goto error; | |
495 | } | |
496 | ||
497 | return 0; | |
498 | ||
499 | error: | |
3394d22e | 500 | 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 |
501 | return ret; |
502 | } | |
503 | ||
504 | static | |
9e88d150 | 505 | int ctf_write_event(struct stream_pos *pos, struct ctf_stream_definition *stream) |
31262354 | 506 | { |
f380e105 | 507 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
c716f83b | 508 | struct ctf_event_definition *event; |
c87a8eb2 | 509 | uint64_t id; |
31262354 MD |
510 | int ret; |
511 | ||
c87a8eb2 MD |
512 | id = stream->event_id; |
513 | ||
31262354 | 514 | /* print event header */ |
7f3f572b | 515 | if (likely(stream->stream_event_header)) { |
e28d4618 | 516 | ret = generic_rw(pos, &stream->stream_event_header->p); |
31262354 MD |
517 | if (ret) |
518 | goto error; | |
519 | } | |
520 | ||
521 | /* print stream-declared event context */ | |
e28d4618 MD |
522 | if (stream->stream_event_context) { |
523 | ret = generic_rw(pos, &stream->stream_event_context->p); | |
31262354 MD |
524 | if (ret) |
525 | goto error; | |
526 | } | |
527 | ||
7f3f572b | 528 | if (unlikely(id >= stream_class->events_by_id->len)) { |
3394d22e | 529 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
530 | return -EINVAL; |
531 | } | |
e28d4618 | 532 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 533 | if (unlikely(!event)) { |
3394d22e | 534 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
535 | return -EINVAL; |
536 | } | |
537 | ||
538 | /* print event-declared event context */ | |
e28d4618 MD |
539 | if (event->event_context) { |
540 | ret = generic_rw(pos, &event->event_context->p); | |
31262354 MD |
541 | if (ret) |
542 | goto error; | |
543 | } | |
544 | ||
545 | /* Read and print event payload */ | |
7f3f572b | 546 | if (likely(event->event_fields)) { |
e28d4618 | 547 | ret = generic_rw(pos, &event->event_fields->p); |
31262354 MD |
548 | if (ret) |
549 | goto error; | |
550 | } | |
551 | ||
552 | return 0; | |
553 | ||
554 | error: | |
3394d22e | 555 | 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 |
556 | return ret; |
557 | } | |
558 | ||
f824ae04 | 559 | int ctf_init_pos(struct ctf_stream_pos *pos, int fd, int open_flags) |
8c572eba MD |
560 | { |
561 | pos->fd = fd; | |
37fcdd19 | 562 | if (fd >= 0) { |
03798a93 | 563 | pos->packet_cycles_index = g_array_new(FALSE, TRUE, |
8563e754 | 564 | sizeof(struct packet_index)); |
37fcdd19 JD |
565 | pos->packet_real_index = g_array_new(FALSE, TRUE, |
566 | sizeof(struct packet_index)); | |
567 | } else { | |
03798a93 | 568 | pos->packet_cycles_index = NULL; |
37fcdd19 JD |
569 | pos->packet_real_index = NULL; |
570 | } | |
8563e754 MD |
571 | switch (open_flags & O_ACCMODE) { |
572 | case O_RDONLY: | |
573 | pos->prot = PROT_READ; | |
574 | pos->flags = MAP_PRIVATE; | |
575 | pos->parent.rw_table = read_dispatch_table; | |
31262354 | 576 | pos->parent.event_cb = ctf_read_event; |
8563e754 | 577 | break; |
8563e754 MD |
578 | case O_RDWR: |
579 | pos->prot = PROT_WRITE; /* Write has priority */ | |
580 | pos->flags = MAP_SHARED; | |
581 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 582 | pos->parent.event_cb = ctf_write_event; |
8563e754 | 583 | if (fd >= 0) |
06789ffd | 584 | ctf_packet_seek(&pos->parent, 0, SEEK_SET); /* position for write */ |
8563e754 MD |
585 | break; |
586 | default: | |
587 | assert(0); | |
8c572eba | 588 | } |
f824ae04 | 589 | return 0; |
8c572eba MD |
590 | } |
591 | ||
f824ae04 | 592 | int ctf_fini_pos(struct ctf_stream_pos *pos) |
8c572eba | 593 | { |
8c572eba MD |
594 | if (pos->prot == PROT_WRITE && pos->content_size_loc) |
595 | *pos->content_size_loc = pos->offset; | |
aee35fcc | 596 | if (pos->base_mma) { |
08c82b90 MD |
597 | int ret; |
598 | ||
8c572eba | 599 | /* unmap old base */ |
aee35fcc | 600 | ret = munmap_align(pos->base_mma); |
8c572eba | 601 | if (ret) { |
3394d22e | 602 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
8c572eba | 603 | strerror(errno)); |
f824ae04 | 604 | return -1; |
8c572eba MD |
605 | } |
606 | } | |
37fcdd19 JD |
607 | if (pos->packet_cycles_index) |
608 | (void) g_array_free(pos->packet_cycles_index, TRUE); | |
609 | if (pos->packet_real_index) | |
610 | (void) g_array_free(pos->packet_real_index, TRUE); | |
f824ae04 | 611 | return 0; |
8c572eba MD |
612 | } |
613 | ||
20d0dcf9 MD |
614 | /* |
615 | * for SEEK_CUR: go to next packet. | |
616 | * for SEEK_POS: go to packet numer (index). | |
617 | */ | |
618 | void ctf_packet_seek(struct stream_pos *stream_pos, size_t index, int whence) | |
0f980a35 | 619 | { |
d6425aaf MD |
620 | struct ctf_stream_pos *pos = |
621 | container_of(stream_pos, struct ctf_stream_pos, parent); | |
75cc2c35 MD |
622 | struct ctf_file_stream *file_stream = |
623 | container_of(pos, struct ctf_file_stream, pos); | |
0f980a35 | 624 | int ret; |
8c572eba | 625 | off_t off; |
20d0dcf9 | 626 | struct packet_index *packet_index; |
0f980a35 | 627 | |
8c572eba MD |
628 | if (pos->prot == PROT_WRITE && pos->content_size_loc) |
629 | *pos->content_size_loc = pos->offset; | |
0f980a35 | 630 | |
aee35fcc | 631 | if (pos->base_mma) { |
0f980a35 | 632 | /* unmap old base */ |
aee35fcc | 633 | ret = munmap_align(pos->base_mma); |
0f980a35 | 634 | if (ret) { |
3394d22e | 635 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
0f980a35 MD |
636 | strerror(errno)); |
637 | assert(0); | |
638 | } | |
aee35fcc | 639 | pos->base_mma = NULL; |
0f980a35 MD |
640 | } |
641 | ||
8c572eba | 642 | /* |
46322b33 | 643 | * The caller should never ask for ctf_move_pos across packets, |
8c572eba MD |
644 | * except to get exactly at the beginning of the next packet. |
645 | */ | |
646 | if (pos->prot == PROT_WRITE) { | |
989c73bc MD |
647 | switch (whence) { |
648 | case SEEK_CUR: | |
649 | /* The writer will add padding */ | |
8c572eba | 650 | pos->mmap_offset += WRITE_PACKET_LEN / CHAR_BIT; |
989c73bc MD |
651 | break; |
652 | case SEEK_SET: | |
20d0dcf9 | 653 | assert(index == 0); /* only seek supported for now */ |
989c73bc MD |
654 | pos->cur_index = 0; |
655 | break; | |
656 | default: | |
657 | assert(0); | |
658 | } | |
8c572eba MD |
659 | pos->content_size = -1U; /* Unknown at this point */ |
660 | pos->packet_size = WRITE_PACKET_LEN; | |
989c73bc MD |
661 | off = posix_fallocate(pos->fd, pos->mmap_offset, |
662 | pos->packet_size / CHAR_BIT); | |
8c572eba | 663 | assert(off >= 0); |
847bf71a | 664 | pos->offset = 0; |
8c572eba | 665 | } else { |
5f643ed7 | 666 | read_next_packet: |
847bf71a MD |
667 | switch (whence) { |
668 | case SEEK_CUR: | |
41e82e00 | 669 | { |
4c4ba021 | 670 | uint64_t events_discarded_diff; |
41e82e00 | 671 | |
7d97fad9 MD |
672 | if (pos->offset == EOF) { |
673 | return; | |
674 | } | |
3217ac37 | 675 | /* For printing discarded event count */ |
03798a93 | 676 | packet_index = &g_array_index(pos->packet_cycles_index, |
41e82e00 | 677 | struct packet_index, pos->cur_index); |
03798a93 JD |
678 | file_stream->parent.prev_cycles_timestamp_end = |
679 | packet_index->timestamp_end; | |
680 | file_stream->parent.prev_cycles_timestamp = | |
681 | packet_index->timestamp_begin; | |
682 | ||
683 | packet_index = &g_array_index(pos->packet_real_index, | |
684 | struct packet_index, pos->cur_index); | |
685 | file_stream->parent.prev_real_timestamp_end = | |
20d0dcf9 | 686 | packet_index->timestamp_end; |
03798a93 JD |
687 | file_stream->parent.prev_real_timestamp = |
688 | packet_index->timestamp_begin; | |
689 | ||
690 | events_discarded_diff = packet_index->events_discarded; | |
41e82e00 | 691 | if (pos->cur_index > 0) { |
03798a93 | 692 | packet_index = &g_array_index(pos->packet_real_index, |
41e82e00 MD |
693 | struct packet_index, |
694 | pos->cur_index - 1); | |
20d0dcf9 | 695 | events_discarded_diff -= packet_index->events_discarded; |
4c4ba021 MD |
696 | /* |
697 | * Deal with 32-bit wrap-around if the | |
698 | * tracer provided a 32-bit field. | |
699 | */ | |
700 | if (packet_index->events_discarded_len == 32) { | |
701 | events_discarded_diff = (uint32_t) events_discarded_diff; | |
702 | } | |
41e82e00 | 703 | } |
fca04958 | 704 | file_stream->parent.events_discarded = events_discarded_diff; |
03798a93 JD |
705 | file_stream->parent.prev_real_timestamp = file_stream->parent.real_timestamp; |
706 | file_stream->parent.prev_cycles_timestamp = file_stream->parent.cycles_timestamp; | |
847bf71a | 707 | /* The reader will expect us to skip padding */ |
8c572eba | 708 | ++pos->cur_index; |
847bf71a | 709 | break; |
41e82e00 | 710 | } |
847bf71a | 711 | case SEEK_SET: |
f60efc0e JD |
712 | packet_index = &g_array_index(pos->packet_cycles_index, |
713 | struct packet_index, index); | |
714 | pos->last_events_discarded = packet_index->events_discarded; | |
20d0dcf9 | 715 | pos->cur_index = index; |
03798a93 JD |
716 | file_stream->parent.prev_real_timestamp = 0; |
717 | file_stream->parent.prev_real_timestamp_end = 0; | |
718 | file_stream->parent.prev_cycles_timestamp = 0; | |
719 | file_stream->parent.prev_cycles_timestamp_end = 0; | |
847bf71a MD |
720 | break; |
721 | default: | |
722 | assert(0); | |
723 | } | |
03798a93 | 724 | if (pos->cur_index >= pos->packet_real_index->len) { |
7d97fad9 MD |
725 | /* |
726 | * When a stream reaches the end of the | |
727 | * file, we need to show the number of | |
728 | * events discarded ourselves, because | |
729 | * there is no next event scheduled to | |
730 | * be printed in the output. | |
731 | */ | |
732 | if (file_stream->parent.events_discarded) { | |
badea1a2 JD |
733 | /* |
734 | * We need to check if we are in trace | |
735 | * read or called from packet indexing. | |
736 | * In this last case, the collection is | |
737 | * not there, so we cannot print the | |
738 | * timestamps. | |
739 | */ | |
740 | if ((&file_stream->parent)->stream_class->trace->collection) { | |
741 | fflush(stdout); | |
4c4ba021 | 742 | fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events at end of stream between [", |
badea1a2 | 743 | file_stream->parent.events_discarded); |
03798a93 JD |
744 | if (opt_clock_cycles) { |
745 | ctf_print_timestamp(stderr, | |
746 | &file_stream->parent, | |
747 | file_stream->parent.prev_cycles_timestamp); | |
748 | fprintf(stderr, "] and ["); | |
749 | ctf_print_timestamp(stderr, &file_stream->parent, | |
750 | file_stream->parent.prev_cycles_timestamp_end); | |
751 | } else { | |
752 | ctf_print_timestamp(stderr, | |
753 | &file_stream->parent, | |
754 | file_stream->parent.prev_real_timestamp); | |
755 | fprintf(stderr, "] and ["); | |
756 | ctf_print_timestamp(stderr, &file_stream->parent, | |
757 | file_stream->parent.prev_real_timestamp_end); | |
758 | } | |
a0b34fbb | 759 | fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n"); |
badea1a2 JD |
760 | fflush(stderr); |
761 | } | |
7d97fad9 MD |
762 | file_stream->parent.events_discarded = 0; |
763 | } | |
670977d3 | 764 | pos->offset = EOF; |
847bf71a MD |
765 | return; |
766 | } | |
03798a93 JD |
767 | packet_index = &g_array_index(pos->packet_cycles_index, |
768 | struct packet_index, | |
769 | pos->cur_index); | |
770 | file_stream->parent.cycles_timestamp = packet_index->timestamp_begin; | |
771 | ||
772 | packet_index = &g_array_index(pos->packet_real_index, | |
773 | struct packet_index, | |
774 | pos->cur_index); | |
775 | file_stream->parent.real_timestamp = packet_index->timestamp_begin; | |
20d0dcf9 | 776 | pos->mmap_offset = packet_index->offset; |
8c572eba MD |
777 | |
778 | /* Lookup context/packet size in index */ | |
20d0dcf9 MD |
779 | pos->content_size = packet_index->content_size; |
780 | pos->packet_size = packet_index->packet_size; | |
781 | if (packet_index->data_offset < packet_index->content_size) { | |
75cc2c35 | 782 | pos->offset = 0; /* will read headers */ |
20d0dcf9 | 783 | } else if (packet_index->data_offset == packet_index->content_size) { |
5f643ed7 | 784 | /* empty packet */ |
20d0dcf9 | 785 | pos->offset = packet_index->data_offset; |
3abe83c7 | 786 | whence = SEEK_CUR; |
5f643ed7 | 787 | goto read_next_packet; |
7eda6fc7 | 788 | } else { |
2b9a764d MD |
789 | pos->offset = EOF; |
790 | return; | |
791 | } | |
8c572eba | 792 | } |
0f980a35 | 793 | /* map new base. Need mapping length from header. */ |
aee35fcc MD |
794 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, |
795 | pos->flags, pos->fd, pos->mmap_offset); | |
796 | if (pos->base_mma == MAP_FAILED) { | |
3394d22e | 797 | fprintf(stderr, "[error] mmap error %s.\n", |
847bf71a MD |
798 | strerror(errno)); |
799 | assert(0); | |
800 | } | |
75cc2c35 MD |
801 | |
802 | /* update trace_packet_header and stream_packet_context */ | |
2d0bea29 | 803 | if (pos->prot != PROT_WRITE && file_stream->parent.trace_packet_header) { |
75cc2c35 | 804 | /* Read packet header */ |
2d0bea29 | 805 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); |
75cc2c35 MD |
806 | assert(!ret); |
807 | } | |
2d0bea29 | 808 | if (pos->prot != PROT_WRITE && file_stream->parent.stream_packet_context) { |
75cc2c35 | 809 | /* Read packet context */ |
2d0bea29 | 810 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); |
75cc2c35 MD |
811 | assert(!ret); |
812 | } | |
0f980a35 MD |
813 | } |
814 | ||
b4c19c1e MD |
815 | static |
816 | int packet_metadata(struct ctf_trace *td, FILE *fp) | |
817 | { | |
818 | uint32_t magic; | |
819 | size_t len; | |
820 | int ret = 0; | |
821 | ||
822 | len = fread(&magic, sizeof(magic), 1, fp); | |
a0fe7d97 | 823 | if (len != 1) { |
b4c19c1e MD |
824 | goto end; |
825 | } | |
826 | if (magic == TSDL_MAGIC) { | |
827 | ret = 1; | |
828 | td->byte_order = BYTE_ORDER; | |
0d336fdf | 829 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
830 | } else if (magic == GUINT32_SWAP_LE_BE(TSDL_MAGIC)) { |
831 | ret = 1; | |
832 | td->byte_order = (BYTE_ORDER == BIG_ENDIAN) ? | |
833 | LITTLE_ENDIAN : BIG_ENDIAN; | |
0d336fdf | 834 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
835 | } |
836 | end: | |
837 | rewind(fp); | |
838 | return ret; | |
839 | } | |
840 | ||
5c262147 MD |
841 | /* |
842 | * Returns 0 on success, -1 on error. | |
843 | */ | |
844 | static | |
845 | int check_version(unsigned int major, unsigned int minor) | |
846 | { | |
847 | switch (major) { | |
848 | case 1: | |
849 | switch (minor) { | |
850 | case 8: | |
851 | return 0; | |
852 | default: | |
853 | goto warning; | |
854 | } | |
855 | default: | |
856 | goto warning; | |
857 | ||
858 | } | |
859 | ||
860 | /* eventually return an error instead of warning */ | |
861 | warning: | |
3394d22e | 862 | fprintf(stderr, "[warning] Unsupported CTF specification version %u.%u. Trying anyway.\n", |
5c262147 MD |
863 | major, minor); |
864 | return 0; | |
865 | } | |
866 | ||
b4c19c1e MD |
867 | static |
868 | int ctf_open_trace_metadata_packet_read(struct ctf_trace *td, FILE *in, | |
869 | FILE *out) | |
870 | { | |
871 | struct metadata_packet_header header; | |
a0fe7d97 | 872 | size_t readlen, writelen, toread; |
f8254867 | 873 | char buf[4096 + 1]; /* + 1 for debug-mode \0 */ |
b4c19c1e MD |
874 | int ret = 0; |
875 | ||
a91a962e | 876 | readlen = fread(&header, header_sizeof(header), 1, in); |
a0fe7d97 | 877 | if (readlen < 1) |
b4c19c1e MD |
878 | return -EINVAL; |
879 | ||
880 | if (td->byte_order != BYTE_ORDER) { | |
881 | header.magic = GUINT32_SWAP_LE_BE(header.magic); | |
882 | header.checksum = GUINT32_SWAP_LE_BE(header.checksum); | |
883 | header.content_size = GUINT32_SWAP_LE_BE(header.content_size); | |
884 | header.packet_size = GUINT32_SWAP_LE_BE(header.packet_size); | |
885 | } | |
886 | if (header.checksum) | |
3394d22e | 887 | fprintf(stderr, "[warning] checksum verification not supported yet.\n"); |
b4c19c1e | 888 | if (header.compression_scheme) { |
3394d22e | 889 | fprintf(stderr, "[error] compression (%u) not supported yet.\n", |
b4c19c1e MD |
890 | header.compression_scheme); |
891 | return -EINVAL; | |
892 | } | |
893 | if (header.encryption_scheme) { | |
3394d22e | 894 | fprintf(stderr, "[error] encryption (%u) not supported yet.\n", |
b4c19c1e MD |
895 | header.encryption_scheme); |
896 | return -EINVAL; | |
897 | } | |
898 | if (header.checksum_scheme) { | |
3394d22e | 899 | fprintf(stderr, "[error] checksum (%u) not supported yet.\n", |
b4c19c1e MD |
900 | header.checksum_scheme); |
901 | return -EINVAL; | |
902 | } | |
5c262147 MD |
903 | if (check_version(header.major, header.minor) < 0) |
904 | return -EINVAL; | |
b4c19c1e MD |
905 | if (!CTF_TRACE_FIELD_IS_SET(td, uuid)) { |
906 | memcpy(td->uuid, header.uuid, sizeof(header.uuid)); | |
907 | CTF_TRACE_SET_FIELD(td, uuid); | |
908 | } else { | |
43e34335 | 909 | if (babeltrace_uuid_compare(header.uuid, td->uuid)) |
b4c19c1e MD |
910 | return -EINVAL; |
911 | } | |
912 | ||
b1ccd079 MD |
913 | if ((header.content_size / CHAR_BIT) < header_sizeof(header)) |
914 | return -EINVAL; | |
915 | ||
255b2138 | 916 | toread = (header.content_size / CHAR_BIT) - header_sizeof(header); |
a0fe7d97 MD |
917 | |
918 | for (;;) { | |
f8254867 | 919 | readlen = fread(buf, sizeof(char), min(sizeof(buf) - 1, toread), in); |
b4c19c1e MD |
920 | if (ferror(in)) { |
921 | ret = -EINVAL; | |
922 | break; | |
923 | } | |
4152822b | 924 | if (babeltrace_debug) { |
f8254867 | 925 | buf[readlen] = '\0'; |
3394d22e | 926 | fprintf(stderr, "[debug] metadata packet read: %s\n", |
4152822b MD |
927 | buf); |
928 | } | |
929 | ||
b4c19c1e MD |
930 | writelen = fwrite(buf, sizeof(char), readlen, out); |
931 | if (writelen < readlen) { | |
932 | ret = -EIO; | |
933 | break; | |
934 | } | |
935 | if (ferror(out)) { | |
936 | ret = -EINVAL; | |
937 | break; | |
938 | } | |
a0fe7d97 MD |
939 | toread -= readlen; |
940 | if (!toread) { | |
7f4b5c4d | 941 | ret = 0; /* continue reading next packet */ |
ddbc52af | 942 | goto read_padding; |
a0fe7d97 | 943 | } |
b4c19c1e MD |
944 | } |
945 | return ret; | |
ddbc52af MD |
946 | |
947 | read_padding: | |
948 | toread = (header.packet_size - header.content_size) / CHAR_BIT; | |
949 | ret = fseek(in, toread, SEEK_CUR); | |
950 | if (ret < 0) { | |
3394d22e | 951 | fprintf(stderr, "[warning] Missing padding at end of file\n"); |
ddbc52af MD |
952 | ret = 0; |
953 | } | |
954 | return ret; | |
b4c19c1e MD |
955 | } |
956 | ||
957 | static | |
958 | int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp, | |
959 | char **buf) | |
960 | { | |
961 | FILE *in, *out; | |
962 | size_t size; | |
963 | int ret; | |
964 | ||
965 | in = *fp; | |
c4f5487e MD |
966 | /* |
967 | * Using strlen on *buf instead of size of open_memstream | |
968 | * because its size includes garbage at the end (after final | |
969 | * \0). This is the allocated size, not the actual string size. | |
970 | */ | |
f8370579 | 971 | out = babeltrace_open_memstream(buf, &size); |
a569a564 MD |
972 | if (out == NULL) { |
973 | perror("Metadata open_memstream"); | |
b4c19c1e | 974 | return -errno; |
a569a564 | 975 | } |
b4c19c1e MD |
976 | for (;;) { |
977 | ret = ctf_open_trace_metadata_packet_read(td, in, out); | |
7f4b5c4d | 978 | if (ret) { |
b4c19c1e | 979 | break; |
7f4b5c4d MD |
980 | } |
981 | if (feof(in)) { | |
982 | ret = 0; | |
b4c19c1e MD |
983 | break; |
984 | } | |
985 | } | |
f8370579 MD |
986 | /* close to flush the buffer */ |
987 | ret = babeltrace_close_memstream(buf, &size, out); | |
988 | if (ret < 0) { | |
f824ae04 MD |
989 | int closeret; |
990 | ||
f8370579 | 991 | perror("babeltrace_flush_memstream"); |
f824ae04 MD |
992 | ret = -errno; |
993 | closeret = fclose(in); | |
994 | if (closeret) { | |
995 | perror("Error in fclose"); | |
996 | } | |
997 | return ret; | |
998 | } | |
999 | ret = fclose(in); | |
1000 | if (ret) { | |
1001 | perror("Error in fclose"); | |
f8370579 | 1002 | } |
b4c19c1e | 1003 | /* open for reading */ |
f8370579 | 1004 | *fp = babeltrace_fmemopen(*buf, strlen(*buf), "rb"); |
a569a564 MD |
1005 | if (!*fp) { |
1006 | perror("Metadata fmemopen"); | |
1007 | return -errno; | |
1008 | } | |
b4c19c1e MD |
1009 | return 0; |
1010 | } | |
1011 | ||
65102a8c | 1012 | static |
b086c01a | 1013 | int ctf_open_trace_metadata_read(struct ctf_trace *td, |
20d0dcf9 | 1014 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 1015 | int whence), FILE *metadata_fp) |
65102a8c MD |
1016 | { |
1017 | struct ctf_scanner *scanner; | |
2d0bea29 | 1018 | struct ctf_file_stream *metadata_stream; |
65102a8c | 1019 | FILE *fp; |
b4c19c1e | 1020 | char *buf = NULL; |
f824ae04 | 1021 | int ret = 0, closeret; |
65102a8c | 1022 | |
2d0bea29 | 1023 | metadata_stream = g_new0(struct ctf_file_stream, 1); |
3a25e036 | 1024 | metadata_stream->pos.last_offset = LAST_OFFSET_POISON; |
b086c01a | 1025 | |
06789ffd MD |
1026 | if (packet_seek) { |
1027 | metadata_stream->pos.packet_seek = packet_seek; | |
b086c01a | 1028 | } else { |
06789ffd | 1029 | fprintf(stderr, "[error] packet_seek function undefined.\n"); |
b086c01a | 1030 | ret = -1; |
f824ae04 | 1031 | goto end_free; |
b086c01a JD |
1032 | } |
1033 | ||
ae23d232 JD |
1034 | if (metadata_fp) { |
1035 | fp = metadata_fp; | |
bcbfb8bf | 1036 | metadata_stream->pos.fd = -1; |
ae23d232 JD |
1037 | } else { |
1038 | td->metadata = &metadata_stream->parent; | |
1039 | metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY); | |
1040 | if (metadata_stream->pos.fd < 0) { | |
3394d22e | 1041 | fprintf(stderr, "Unable to open metadata.\n"); |
f824ae04 MD |
1042 | ret = -1; |
1043 | goto end_free; | |
ae23d232 | 1044 | } |
65102a8c | 1045 | |
ae23d232 JD |
1046 | fp = fdopen(metadata_stream->pos.fd, "r"); |
1047 | if (!fp) { | |
3394d22e | 1048 | fprintf(stderr, "[error] Unable to open metadata stream.\n"); |
a569a564 | 1049 | perror("Metadata stream open"); |
ae23d232 JD |
1050 | ret = -errno; |
1051 | goto end_stream; | |
1052 | } | |
f824ae04 MD |
1053 | /* fd now belongs to fp */ |
1054 | metadata_stream->pos.fd = -1; | |
ae23d232 | 1055 | } |
65102a8c MD |
1056 | if (babeltrace_debug) |
1057 | yydebug = 1; | |
1058 | ||
b4c19c1e MD |
1059 | if (packet_metadata(td, fp)) { |
1060 | ret = ctf_open_trace_metadata_stream_read(td, &fp, &buf); | |
1061 | if (ret) | |
1062 | goto end_packet_read; | |
da75b0f7 | 1063 | } else { |
5c262147 MD |
1064 | unsigned int major, minor; |
1065 | ssize_t nr_items; | |
8c2df3f5 | 1066 | |
da75b0f7 | 1067 | td->byte_order = BYTE_ORDER; |
8c2df3f5 | 1068 | |
5c262147 MD |
1069 | /* Check text-only metadata header and version */ |
1070 | nr_items = fscanf(fp, "/* CTF %u.%u", &major, &minor); | |
1071 | if (nr_items < 2) | |
3394d22e | 1072 | fprintf(stderr, "[warning] Ill-shapen or missing \"/* CTF x.y\" header for text-only metadata.\n"); |
5c262147 MD |
1073 | if (check_version(major, minor) < 0) { |
1074 | ret = -EINVAL; | |
1075 | goto end_packet_read; | |
1076 | } | |
8c2df3f5 | 1077 | rewind(fp); |
b4c19c1e MD |
1078 | } |
1079 | ||
65102a8c MD |
1080 | scanner = ctf_scanner_alloc(fp); |
1081 | if (!scanner) { | |
3394d22e | 1082 | fprintf(stderr, "[error] Error allocating scanner\n"); |
65102a8c MD |
1083 | ret = -ENOMEM; |
1084 | goto end_scanner_alloc; | |
1085 | } | |
1086 | ret = ctf_scanner_append_ast(scanner); | |
1087 | if (ret) { | |
3394d22e | 1088 | fprintf(stderr, "[error] Error creating AST\n"); |
65102a8c MD |
1089 | goto end; |
1090 | } | |
1091 | ||
1092 | if (babeltrace_debug) { | |
3394d22e | 1093 | ret = ctf_visitor_print_xml(stderr, 0, &scanner->ast->root); |
65102a8c | 1094 | if (ret) { |
3394d22e | 1095 | fprintf(stderr, "[error] Error visiting AST for XML output\n"); |
65102a8c MD |
1096 | goto end; |
1097 | } | |
1098 | } | |
1099 | ||
3394d22e | 1100 | ret = ctf_visitor_semantic_check(stderr, 0, &scanner->ast->root); |
65102a8c | 1101 | if (ret) { |
3394d22e | 1102 | fprintf(stderr, "[error] Error in CTF semantic validation %d\n", ret); |
65102a8c MD |
1103 | goto end; |
1104 | } | |
3394d22e | 1105 | ret = ctf_visitor_construct_metadata(stderr, 0, &scanner->ast->root, |
ac5c6ca0 | 1106 | td, td->byte_order); |
65102a8c | 1107 | if (ret) { |
3394d22e | 1108 | fprintf(stderr, "[error] Error in CTF metadata constructor %d\n", ret); |
65102a8c MD |
1109 | goto end; |
1110 | } | |
1111 | end: | |
1112 | ctf_scanner_free(scanner); | |
1113 | end_scanner_alloc: | |
b4c19c1e | 1114 | end_packet_read: |
f824ae04 MD |
1115 | if (fp) { |
1116 | closeret = fclose(fp); | |
1117 | if (closeret) { | |
1118 | perror("Error on fclose"); | |
1119 | } | |
1120 | } | |
b4c19c1e | 1121 | free(buf); |
65102a8c | 1122 | end_stream: |
f824ae04 MD |
1123 | if (metadata_stream->pos.fd >= 0) { |
1124 | closeret = close(metadata_stream->pos.fd); | |
1125 | if (closeret) { | |
1126 | perror("Error on metadata stream fd close"); | |
1127 | } | |
1128 | } | |
1129 | end_free: | |
2d0bea29 MD |
1130 | if (ret) |
1131 | g_free(metadata_stream); | |
0f980a35 MD |
1132 | return ret; |
1133 | } | |
1134 | ||
e28d4618 | 1135 | static |
c716f83b | 1136 | struct ctf_event_definition *create_event_definitions(struct ctf_trace *td, |
9e88d150 | 1137 | struct ctf_stream_definition *stream, |
4716614a | 1138 | struct ctf_event_declaration *event) |
e28d4618 | 1139 | { |
c716f83b | 1140 | struct ctf_event_definition *stream_event = g_new0(struct ctf_event_definition, 1); |
e28d4618 MD |
1141 | |
1142 | if (event->context_decl) { | |
1143 | struct definition *definition = | |
1144 | event->context_decl->p.definition_new(&event->context_decl->p, | |
1145 | stream->parent_def_scope, 0, 0, "event.context"); | |
1146 | if (!definition) { | |
1147 | goto error; | |
1148 | } | |
42dc00b7 | 1149 | stream_event->event_context = container_of(definition, |
e28d4618 | 1150 | struct definition_struct, p); |
42dc00b7 | 1151 | stream->parent_def_scope = stream_event->event_context->p.scope; |
e28d4618 MD |
1152 | } |
1153 | if (event->fields_decl) { | |
1154 | struct definition *definition = | |
1155 | event->fields_decl->p.definition_new(&event->fields_decl->p, | |
1156 | stream->parent_def_scope, 0, 0, "event.fields"); | |
1157 | if (!definition) { | |
1158 | goto error; | |
1159 | } | |
42dc00b7 | 1160 | stream_event->event_fields = container_of(definition, |
e28d4618 | 1161 | struct definition_struct, p); |
42dc00b7 | 1162 | stream->parent_def_scope = stream_event->event_fields->p.scope; |
e28d4618 | 1163 | } |
d3ded99d | 1164 | stream_event->stream = stream; |
42dc00b7 | 1165 | return stream_event; |
e28d4618 MD |
1166 | |
1167 | error: | |
42dc00b7 MD |
1168 | if (stream_event->event_fields) |
1169 | definition_unref(&stream_event->event_fields->p); | |
1170 | if (stream_event->event_context) | |
1171 | definition_unref(&stream_event->event_context->p); | |
e28d4618 MD |
1172 | return NULL; |
1173 | } | |
1174 | ||
1175 | static | |
9e88d150 | 1176 | int create_stream_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream) |
e28d4618 | 1177 | { |
f380e105 | 1178 | struct ctf_stream_declaration *stream_class; |
e28d4618 MD |
1179 | int ret; |
1180 | int i; | |
1181 | ||
1182 | if (stream->stream_definitions_created) | |
1183 | return 0; | |
1184 | ||
1185 | stream_class = stream->stream_class; | |
1186 | ||
1187 | if (stream_class->packet_context_decl) { | |
1188 | struct definition *definition = | |
1189 | stream_class->packet_context_decl->p.definition_new(&stream_class->packet_context_decl->p, | |
1190 | stream->parent_def_scope, 0, 0, "stream.packet.context"); | |
1191 | if (!definition) { | |
1192 | ret = -EINVAL; | |
1193 | goto error; | |
1194 | } | |
1195 | stream->stream_packet_context = container_of(definition, | |
1196 | struct definition_struct, p); | |
1197 | stream->parent_def_scope = stream->stream_packet_context->p.scope; | |
1198 | } | |
1199 | if (stream_class->event_header_decl) { | |
1200 | struct definition *definition = | |
1201 | stream_class->event_header_decl->p.definition_new(&stream_class->event_header_decl->p, | |
1202 | stream->parent_def_scope, 0, 0, "stream.event.header"); | |
1203 | if (!definition) { | |
1204 | ret = -EINVAL; | |
1205 | goto error; | |
1206 | } | |
1207 | stream->stream_event_header = | |
1208 | container_of(definition, struct definition_struct, p); | |
1209 | stream->parent_def_scope = stream->stream_event_header->p.scope; | |
1210 | } | |
1211 | if (stream_class->event_context_decl) { | |
1212 | struct definition *definition = | |
1213 | stream_class->event_context_decl->p.definition_new(&stream_class->event_context_decl->p, | |
1214 | stream->parent_def_scope, 0, 0, "stream.event.context"); | |
1215 | if (!definition) { | |
1216 | ret = -EINVAL; | |
1217 | goto error; | |
1218 | } | |
1219 | stream->stream_event_context = | |
1220 | container_of(definition, struct definition_struct, p); | |
1221 | stream->parent_def_scope = stream->stream_event_context->p.scope; | |
1222 | } | |
1223 | stream->events_by_id = g_ptr_array_new(); | |
1224 | g_ptr_array_set_size(stream->events_by_id, stream_class->events_by_id->len); | |
1225 | for (i = 0; i < stream->events_by_id->len; i++) { | |
4716614a | 1226 | struct ctf_event_declaration *event = g_ptr_array_index(stream_class->events_by_id, i); |
c716f83b | 1227 | struct ctf_event_definition *stream_event; |
e28d4618 MD |
1228 | |
1229 | if (!event) | |
1230 | continue; | |
42dc00b7 MD |
1231 | stream_event = create_event_definitions(td, stream, event); |
1232 | if (!stream_event) | |
e28d4618 | 1233 | goto error_event; |
42dc00b7 | 1234 | g_ptr_array_index(stream->events_by_id, i) = stream_event; |
e28d4618 MD |
1235 | } |
1236 | return 0; | |
1237 | ||
1238 | error_event: | |
1239 | for (i = 0; i < stream->events_by_id->len; i++) { | |
c716f83b | 1240 | struct ctf_event_definition *stream_event = g_ptr_array_index(stream->events_by_id, i); |
42dc00b7 MD |
1241 | if (stream_event) |
1242 | g_free(stream_event); | |
e28d4618 MD |
1243 | } |
1244 | g_ptr_array_free(stream->events_by_id, TRUE); | |
1245 | error: | |
1246 | if (stream->stream_event_context) | |
1247 | definition_unref(&stream->stream_event_context->p); | |
1248 | if (stream->stream_event_header) | |
1249 | definition_unref(&stream->stream_event_header->p); | |
1250 | if (stream->stream_packet_context) | |
1251 | definition_unref(&stream->stream_packet_context->p); | |
1252 | return ret; | |
1253 | } | |
1254 | ||
0f980a35 MD |
1255 | |
1256 | static | |
46322b33 | 1257 | int create_stream_packet_index(struct ctf_trace *td, |
0f980a35 MD |
1258 | struct ctf_file_stream *file_stream) |
1259 | { | |
f380e105 | 1260 | struct ctf_stream_declaration *stream; |
0f980a35 | 1261 | int len_index; |
46322b33 | 1262 | struct ctf_stream_pos *pos; |
0f980a35 MD |
1263 | struct stat filestats; |
1264 | struct packet_index packet_index; | |
1265 | int first_packet = 1; | |
1266 | int ret; | |
1267 | ||
1268 | pos = &file_stream->pos; | |
1269 | ||
1270 | ret = fstat(pos->fd, &filestats); | |
1271 | if (ret < 0) | |
1272 | return ret; | |
1273 | ||
8895362d MD |
1274 | if (filestats.st_size < MAX_PACKET_HEADER_LEN / CHAR_BIT) |
1275 | return -EINVAL; | |
1276 | ||
0f980a35 MD |
1277 | for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) { |
1278 | uint64_t stream_id = 0; | |
1279 | ||
aee35fcc | 1280 | if (pos->base_mma) { |
0f980a35 | 1281 | /* unmap old base */ |
aee35fcc | 1282 | ret = munmap_align(pos->base_mma); |
0f980a35 | 1283 | if (ret) { |
3394d22e | 1284 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
0f980a35 MD |
1285 | strerror(errno)); |
1286 | return ret; | |
1287 | } | |
aee35fcc | 1288 | pos->base_mma = NULL; |
0f980a35 MD |
1289 | } |
1290 | /* map new base. Need mapping length from header. */ | |
aee35fcc | 1291 | pos->base_mma = mmap_align(MAX_PACKET_HEADER_LEN / CHAR_BIT, PROT_READ, |
0f980a35 | 1292 | MAP_PRIVATE, pos->fd, pos->mmap_offset); |
aee35fcc | 1293 | assert(pos->base_mma != MAP_FAILED); |
dc48ecad MD |
1294 | pos->content_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ |
1295 | pos->packet_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */ | |
0f980a35 MD |
1296 | pos->offset = 0; /* Position of the packet header */ |
1297 | ||
8c572eba MD |
1298 | packet_index.offset = pos->mmap_offset; |
1299 | packet_index.content_size = 0; | |
1300 | packet_index.packet_size = 0; | |
75cc2c35 MD |
1301 | packet_index.timestamp_begin = 0; |
1302 | packet_index.timestamp_end = 0; | |
41e82e00 | 1303 | packet_index.events_discarded = 0; |
15d4fe3c | 1304 | packet_index.events_discarded_len = 0; |
8c572eba | 1305 | |
0f980a35 | 1306 | /* read and check header, set stream id (and check) */ |
2d0bea29 | 1307 | if (file_stream->parent.trace_packet_header) { |
0f980a35 | 1308 | /* Read packet header */ |
2d0bea29 | 1309 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); |
c5e74408 MD |
1310 | if (ret) |
1311 | return ret; | |
2d0bea29 | 1312 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic")); |
0f980a35 | 1313 | if (len_index >= 0) { |
b1a2f580 | 1314 | struct definition *field; |
f4c56ac2 | 1315 | uint64_t magic; |
0f980a35 | 1316 | |
2d0bea29 | 1317 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
f4c56ac2 MD |
1318 | magic = get_unsigned_int(field); |
1319 | if (magic != CTF_MAGIC) { | |
3394d22e | 1320 | fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n", |
f4c56ac2 | 1321 | magic, |
03798a93 | 1322 | file_stream->pos.packet_cycles_index->len, |
8c572eba | 1323 | (ssize_t) pos->mmap_offset); |
0f980a35 MD |
1324 | return -EINVAL; |
1325 | } | |
1326 | } | |
1327 | ||
1328 | /* check uuid */ | |
2d0bea29 | 1329 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid")); |
0f980a35 MD |
1330 | if (len_index >= 0) { |
1331 | struct definition_array *defarray; | |
b1a2f580 | 1332 | struct definition *field; |
0f980a35 | 1333 | uint64_t i; |
43e34335 | 1334 | uint8_t uuidval[BABELTRACE_UUID_LEN]; |
0f980a35 | 1335 | |
2d0bea29 | 1336 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
b1a2f580 MD |
1337 | assert(field->declaration->id == CTF_TYPE_ARRAY); |
1338 | defarray = container_of(field, struct definition_array, p); | |
43e34335 | 1339 | assert(array_len(defarray) == BABELTRACE_UUID_LEN); |
0f980a35 | 1340 | |
43e34335 | 1341 | for (i = 0; i < BABELTRACE_UUID_LEN; i++) { |
0f980a35 | 1342 | struct definition *elem; |
0f980a35 MD |
1343 | |
1344 | elem = array_index(defarray, i); | |
f4c56ac2 | 1345 | uuidval[i] = get_unsigned_int(elem); |
0f980a35 | 1346 | } |
43e34335 | 1347 | ret = babeltrace_uuid_compare(td->uuid, uuidval); |
0f980a35 | 1348 | if (ret) { |
3394d22e | 1349 | fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n"); |
0f980a35 MD |
1350 | return -EINVAL; |
1351 | } | |
1352 | } | |
1353 | ||
1354 | ||
2d0bea29 | 1355 | len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id")); |
0f980a35 | 1356 | if (len_index >= 0) { |
b1a2f580 | 1357 | struct definition *field; |
0f980a35 | 1358 | |
2d0bea29 | 1359 | field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
f4c56ac2 | 1360 | stream_id = get_unsigned_int(field); |
0f980a35 MD |
1361 | } |
1362 | } | |
1363 | ||
2d0bea29 | 1364 | if (!first_packet && file_stream->parent.stream_id != stream_id) { |
3394d22e | 1365 | fprintf(stderr, "[error] Stream ID is changing within a stream.\n"); |
0f980a35 MD |
1366 | return -EINVAL; |
1367 | } | |
1368 | if (first_packet) { | |
2d0bea29 | 1369 | file_stream->parent.stream_id = stream_id; |
46322b33 | 1370 | if (stream_id >= td->streams->len) { |
3394d22e | 1371 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); |
0f980a35 MD |
1372 | return -EINVAL; |
1373 | } | |
46322b33 | 1374 | stream = g_ptr_array_index(td->streams, stream_id); |
0f980a35 | 1375 | if (!stream) { |
3394d22e | 1376 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); |
0f980a35 MD |
1377 | return -EINVAL; |
1378 | } | |
2d0bea29 | 1379 | file_stream->parent.stream_class = stream; |
01c76b24 | 1380 | ret = create_stream_definitions(td, &file_stream->parent); |
862434ec MD |
1381 | if (ret) |
1382 | return ret; | |
0f980a35 MD |
1383 | } |
1384 | first_packet = 0; | |
1385 | ||
2d0bea29 | 1386 | if (file_stream->parent.stream_packet_context) { |
dc48ecad | 1387 | /* Read packet context */ |
2d0bea29 | 1388 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); |
c5e74408 MD |
1389 | if (ret) |
1390 | return ret; | |
dc48ecad | 1391 | /* read content size from header */ |
2d0bea29 | 1392 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size")); |
dc48ecad | 1393 | if (len_index >= 0) { |
b1a2f580 | 1394 | struct definition *field; |
dc48ecad | 1395 | |
2d0bea29 | 1396 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1397 | packet_index.content_size = get_unsigned_int(field); |
dc48ecad MD |
1398 | } else { |
1399 | /* Use file size for packet size */ | |
8c572eba | 1400 | packet_index.content_size = filestats.st_size * CHAR_BIT; |
dc48ecad MD |
1401 | } |
1402 | ||
1403 | /* read packet size from header */ | |
2d0bea29 | 1404 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size")); |
dc48ecad | 1405 | if (len_index >= 0) { |
b1a2f580 | 1406 | struct definition *field; |
dc48ecad | 1407 | |
2d0bea29 | 1408 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1409 | packet_index.packet_size = get_unsigned_int(field); |
dc48ecad MD |
1410 | } else { |
1411 | /* Use content size if non-zero, else file size */ | |
8c572eba | 1412 | packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT; |
dc48ecad | 1413 | } |
75cc2c35 MD |
1414 | |
1415 | /* read timestamp begin from header */ | |
2d0bea29 | 1416 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin")); |
75cc2c35 | 1417 | if (len_index >= 0) { |
75cc2c35 MD |
1418 | struct definition *field; |
1419 | ||
2d0bea29 | 1420 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1421 | packet_index.timestamp_begin = get_unsigned_int(field); |
03798a93 JD |
1422 | if (file_stream->parent.stream_class->trace->collection) { |
1423 | packet_index.timestamp_begin = | |
1424 | ctf_get_real_timestamp( | |
1425 | &file_stream->parent, | |
1426 | packet_index.timestamp_begin); | |
1427 | } | |
75cc2c35 MD |
1428 | } |
1429 | ||
1430 | /* read timestamp end from header */ | |
2d0bea29 | 1431 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end")); |
75cc2c35 | 1432 | if (len_index >= 0) { |
75cc2c35 MD |
1433 | struct definition *field; |
1434 | ||
2d0bea29 | 1435 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
f4c56ac2 | 1436 | packet_index.timestamp_end = get_unsigned_int(field); |
03798a93 JD |
1437 | if (file_stream->parent.stream_class->trace->collection) { |
1438 | packet_index.timestamp_end = | |
1439 | ctf_get_real_timestamp( | |
1440 | &file_stream->parent, | |
1441 | packet_index.timestamp_end); | |
1442 | } | |
75cc2c35 | 1443 | } |
41e82e00 MD |
1444 | |
1445 | /* read events discarded from header */ | |
1446 | len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded")); | |
1447 | if (len_index >= 0) { | |
1448 | struct definition *field; | |
1449 | ||
1450 | field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); | |
1451 | packet_index.events_discarded = get_unsigned_int(field); | |
4c4ba021 | 1452 | packet_index.events_discarded_len = get_int_len(field); |
41e82e00 | 1453 | } |
0f980a35 MD |
1454 | } else { |
1455 | /* Use file size for packet size */ | |
8c572eba | 1456 | packet_index.content_size = filestats.st_size * CHAR_BIT; |
0f980a35 | 1457 | /* Use content size if non-zero, else file size */ |
8c572eba | 1458 | packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT; |
0f980a35 | 1459 | } |
546293fa MD |
1460 | |
1461 | /* Validate content size and packet size values */ | |
1462 | if (packet_index.content_size > packet_index.packet_size) { | |
7e18eedf | 1463 | fprintf(stderr, "[error] Content size (%" PRIu64 " bits) is larger than packet size (%" PRIu64 " bits).\n", |
546293fa MD |
1464 | packet_index.content_size, packet_index.packet_size); |
1465 | return -EINVAL; | |
1466 | } | |
1467 | ||
7e18eedf JN |
1468 | if (packet_index.packet_size > ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT) { |
1469 | fprintf(stderr, "[error] Packet size (%" PRIu64 " bits) is larger than remaining file size (%" PRIu64 " bits).\n", | |
0fe3c2c9 | 1470 | packet_index.packet_size, ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT); |
546293fa MD |
1471 | return -EINVAL; |
1472 | } | |
1473 | ||
847bf71a MD |
1474 | /* Save position after header and context */ |
1475 | packet_index.data_offset = pos->offset; | |
0f980a35 | 1476 | |
0f980a35 | 1477 | /* add index to packet array */ |
03798a93 | 1478 | g_array_append_val(file_stream->pos.packet_cycles_index, packet_index); |
0f980a35 | 1479 | |
8c572eba | 1480 | pos->mmap_offset += packet_index.packet_size / CHAR_BIT; |
0f980a35 MD |
1481 | } |
1482 | ||
1483 | return 0; | |
1484 | } | |
1485 | ||
e28d4618 | 1486 | static |
9e88d150 | 1487 | int create_trace_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream) |
e28d4618 MD |
1488 | { |
1489 | int ret; | |
1490 | ||
1491 | if (td->packet_header_decl) { | |
1492 | struct definition *definition = | |
1493 | td->packet_header_decl->p.definition_new(&td->packet_header_decl->p, | |
1494 | stream->parent_def_scope, 0, 0, "trace.packet.header"); | |
1495 | if (!definition) { | |
1496 | ret = -EINVAL; | |
1497 | goto error; | |
1498 | } | |
1499 | stream->trace_packet_header = | |
1500 | container_of(definition, struct definition_struct, p); | |
1501 | stream->parent_def_scope = stream->trace_packet_header->p.scope; | |
1502 | } | |
1503 | ||
1504 | return 0; | |
1505 | ||
1506 | error: | |
1507 | return ret; | |
1508 | } | |
1509 | ||
0f980a35 MD |
1510 | /* |
1511 | * Note: many file streams can inherit from the same stream class | |
1512 | * description (metadata). | |
1513 | */ | |
1514 | static | |
b086c01a | 1515 | int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags, |
20d0dcf9 | 1516 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
b086c01a | 1517 | int whence)) |
0f980a35 | 1518 | { |
f824ae04 | 1519 | int ret, fd, closeret; |
0f980a35 | 1520 | struct ctf_file_stream *file_stream; |
ff075710 | 1521 | struct stat statbuf; |
0f980a35 | 1522 | |
ff075710 MD |
1523 | fd = openat(td->dirfd, path, flags); |
1524 | if (fd < 0) { | |
a569a564 | 1525 | perror("File stream openat()"); |
ff075710 | 1526 | ret = fd; |
0f980a35 | 1527 | goto error; |
a569a564 | 1528 | } |
ff075710 MD |
1529 | |
1530 | /* Don't try to mmap subdirectories. Skip them, return success. */ | |
1531 | ret = fstat(fd, &statbuf); | |
1532 | if (ret) { | |
1533 | perror("File stream fstat()"); | |
1534 | goto fstat_error; | |
1535 | } | |
1536 | if (S_ISDIR(statbuf.st_mode)) { | |
1537 | fprintf(stderr, "[warning] Skipping directory '%s' found in trace\n", path); | |
1538 | ret = 0; | |
1539 | goto fd_is_dir_ok; | |
1540 | } | |
1541 | ||
0f980a35 | 1542 | file_stream = g_new0(struct ctf_file_stream, 1); |
3a25e036 | 1543 | file_stream->pos.last_offset = LAST_OFFSET_POISON; |
b086c01a | 1544 | |
06789ffd MD |
1545 | if (packet_seek) { |
1546 | file_stream->pos.packet_seek = packet_seek; | |
b086c01a | 1547 | } else { |
06789ffd | 1548 | fprintf(stderr, "[error] packet_seek function undefined.\n"); |
b086c01a JD |
1549 | ret = -1; |
1550 | goto error_def; | |
1551 | } | |
1552 | ||
f824ae04 MD |
1553 | ret = ctf_init_pos(&file_stream->pos, fd, flags); |
1554 | if (ret) | |
1555 | goto error_def; | |
2d0bea29 | 1556 | ret = create_trace_definitions(td, &file_stream->parent); |
e28d4618 MD |
1557 | if (ret) |
1558 | goto error_def; | |
25ccc85b | 1559 | /* |
50052405 | 1560 | * For now, only a single clock per trace is supported. |
25ccc85b MD |
1561 | */ |
1562 | file_stream->parent.current_clock = td->single_clock; | |
0f980a35 MD |
1563 | ret = create_stream_packet_index(td, file_stream); |
1564 | if (ret) | |
1565 | goto error_index; | |
1566 | /* Add stream file to stream class */ | |
2d0bea29 MD |
1567 | g_ptr_array_add(file_stream->parent.stream_class->streams, |
1568 | &file_stream->parent); | |
0f980a35 MD |
1569 | return 0; |
1570 | ||
1571 | error_index: | |
2d0bea29 MD |
1572 | if (file_stream->parent.trace_packet_header) |
1573 | definition_unref(&file_stream->parent.trace_packet_header->p); | |
e28d4618 | 1574 | error_def: |
f824ae04 MD |
1575 | closeret = ctf_fini_pos(&file_stream->pos); |
1576 | if (closeret) { | |
1577 | fprintf(stderr, "Error on ctf_fini_pos\n"); | |
1578 | } | |
0f980a35 | 1579 | g_free(file_stream); |
ff075710 MD |
1580 | fd_is_dir_ok: |
1581 | fstat_error: | |
f824ae04 MD |
1582 | closeret = close(fd); |
1583 | if (closeret) { | |
1584 | perror("Error on fd close"); | |
1585 | } | |
0f980a35 | 1586 | error: |
65102a8c MD |
1587 | return ret; |
1588 | } | |
1589 | ||
bbefb8dd | 1590 | static |
5b80ddfb | 1591 | int ctf_open_trace_read(struct ctf_trace *td, |
8c250d87 | 1592 | const char *path, int flags, |
20d0dcf9 | 1593 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 1594 | int whence), FILE *metadata_fp) |
bbefb8dd | 1595 | { |
f824ae04 | 1596 | int ret, closeret; |
65102a8c MD |
1597 | struct dirent *dirent; |
1598 | struct dirent *diriter; | |
1599 | size_t dirent_len; | |
bbefb8dd | 1600 | |
46322b33 | 1601 | td->flags = flags; |
bbefb8dd MD |
1602 | |
1603 | /* Open trace directory */ | |
46322b33 MD |
1604 | td->dir = opendir(path); |
1605 | if (!td->dir) { | |
6a6b384c | 1606 | fprintf(stderr, "[error] Unable to open trace directory \"%s\".\n", path); |
bbefb8dd MD |
1607 | ret = -ENOENT; |
1608 | goto error; | |
1609 | } | |
1610 | ||
46322b33 MD |
1611 | td->dirfd = open(path, 0); |
1612 | if (td->dirfd < 0) { | |
6a6b384c | 1613 | fprintf(stderr, "[error] Unable to open trace directory file descriptor for path \"%s\".\n", path); |
a569a564 MD |
1614 | perror("Trace directory open"); |
1615 | ret = -errno; | |
65102a8c MD |
1616 | goto error_dirfd; |
1617 | } | |
5b80ddfb MD |
1618 | strncpy(td->path, path, sizeof(td->path)); |
1619 | td->path[sizeof(td->path) - 1] = '\0'; | |
0f980a35 | 1620 | |
65102a8c MD |
1621 | /* |
1622 | * Keep the metadata file separate. | |
1623 | */ | |
bbefb8dd | 1624 | |
06789ffd | 1625 | ret = ctf_open_trace_metadata_read(td, packet_seek, metadata_fp); |
65102a8c | 1626 | if (ret) { |
6a6b384c | 1627 | fprintf(stderr, "[warning] Unable to open trace metadata for path \"%s\".\n", path); |
65102a8c MD |
1628 | goto error_metadata; |
1629 | } | |
bbefb8dd MD |
1630 | |
1631 | /* | |
1632 | * Open each stream: for each file, try to open, check magic | |
1633 | * number, and get the stream ID to add to the right location in | |
1634 | * the stream array. | |
bbefb8dd MD |
1635 | */ |
1636 | ||
65102a8c | 1637 | dirent_len = offsetof(struct dirent, d_name) + |
46322b33 | 1638 | fpathconf(td->dirfd, _PC_NAME_MAX) + 1; |
bbefb8dd | 1639 | |
65102a8c | 1640 | dirent = malloc(dirent_len); |
bbefb8dd | 1641 | |
65102a8c | 1642 | for (;;) { |
46322b33 | 1643 | ret = readdir_r(td->dir, dirent, &diriter); |
65102a8c | 1644 | if (ret) { |
3394d22e | 1645 | fprintf(stderr, "[error] Readdir error.\n"); |
65102a8c | 1646 | goto readdir_error; |
65102a8c MD |
1647 | } |
1648 | if (!diriter) | |
1649 | break; | |
d8ea2d29 MD |
1650 | /* Ignore hidden files, ., .. and metadata. */ |
1651 | if (!strncmp(diriter->d_name, ".", 1) | |
65102a8c MD |
1652 | || !strcmp(diriter->d_name, "..") |
1653 | || !strcmp(diriter->d_name, "metadata")) | |
1654 | continue; | |
06789ffd MD |
1655 | ret = ctf_open_file_stream_read(td, diriter->d_name, |
1656 | flags, packet_seek); | |
dc48ecad | 1657 | if (ret) { |
3394d22e | 1658 | fprintf(stderr, "[error] Open file stream error.\n"); |
dc48ecad MD |
1659 | goto readdir_error; |
1660 | } | |
65102a8c | 1661 | } |
bbefb8dd | 1662 | |
65102a8c | 1663 | free(dirent); |
bbefb8dd | 1664 | return 0; |
65102a8c MD |
1665 | |
1666 | readdir_error: | |
1667 | free(dirent); | |
1668 | error_metadata: | |
f824ae04 MD |
1669 | closeret = close(td->dirfd); |
1670 | if (closeret) { | |
1671 | perror("Error on fd close"); | |
1672 | } | |
65102a8c | 1673 | error_dirfd: |
f824ae04 MD |
1674 | closeret = closedir(td->dir); |
1675 | if (closeret) { | |
1676 | perror("Error on closedir"); | |
1677 | } | |
bbefb8dd MD |
1678 | error: |
1679 | return ret; | |
1680 | } | |
1681 | ||
03798a93 JD |
1682 | /* |
1683 | * ctf_open_trace: Open a CTF trace and index it. | |
1684 | * Note that the user must seek the trace after the open (using the iterator) | |
1685 | * since the index creation read it entirely. | |
1686 | */ | |
e9378815 | 1687 | static |
5b80ddfb | 1688 | struct trace_descriptor *ctf_open_trace(const char *path, int flags, |
20d0dcf9 | 1689 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 1690 | int whence), FILE *metadata_fp) |
bbefb8dd | 1691 | { |
46322b33 | 1692 | struct ctf_trace *td; |
bbefb8dd MD |
1693 | int ret; |
1694 | ||
2715de36 MD |
1695 | /* |
1696 | * If packet_seek is NULL, we provide our default version. | |
1697 | */ | |
1698 | if (!packet_seek) | |
1699 | packet_seek = ctf_packet_seek; | |
1700 | ||
46322b33 | 1701 | td = g_new0(struct ctf_trace, 1); |
bbefb8dd | 1702 | |
8c572eba | 1703 | switch (flags & O_ACCMODE) { |
bbefb8dd | 1704 | case O_RDONLY: |
b61922b5 | 1705 | if (!path) { |
3394d22e | 1706 | fprintf(stderr, "[error] Path missing for input CTF trace.\n"); |
b61922b5 MD |
1707 | goto error; |
1708 | } | |
06789ffd | 1709 | ret = ctf_open_trace_read(td, path, flags, packet_seek, metadata_fp); |
bbefb8dd MD |
1710 | if (ret) |
1711 | goto error; | |
1712 | break; | |
989c73bc | 1713 | case O_RDWR: |
3394d22e | 1714 | fprintf(stderr, "[error] Opening CTF traces for output is not supported yet.\n"); |
46322b33 | 1715 | goto error; |
bbefb8dd | 1716 | default: |
3394d22e | 1717 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
bbefb8dd MD |
1718 | goto error; |
1719 | } | |
1720 | ||
46322b33 | 1721 | return &td->parent; |
bbefb8dd MD |
1722 | error: |
1723 | g_free(td); | |
1724 | return NULL; | |
1725 | } | |
1726 | ||
f571dfb1 JD |
1727 | |
1728 | void ctf_init_mmap_pos(struct ctf_stream_pos *pos, | |
1729 | struct mmap_stream *mmap_info) | |
1730 | { | |
1731 | pos->mmap_offset = 0; | |
1732 | pos->packet_size = 0; | |
1733 | pos->content_size = 0; | |
1734 | pos->content_size_loc = NULL; | |
1735 | pos->fd = mmap_info->fd; | |
aee35fcc | 1736 | pos->base_mma = NULL; |
f571dfb1 JD |
1737 | pos->offset = 0; |
1738 | pos->dummy = false; | |
1739 | pos->cur_index = 0; | |
03798a93 JD |
1740 | pos->packet_cycles_index = NULL; |
1741 | pos->packet_real_index = NULL; | |
f571dfb1 JD |
1742 | pos->prot = PROT_READ; |
1743 | pos->flags = MAP_PRIVATE; | |
1744 | pos->parent.rw_table = read_dispatch_table; | |
1745 | pos->parent.event_cb = ctf_read_event; | |
1746 | } | |
1747 | ||
1748 | static | |
1749 | int prepare_mmap_stream_definition(struct ctf_trace *td, | |
1750 | struct ctf_file_stream *file_stream) | |
1751 | { | |
f380e105 | 1752 | struct ctf_stream_declaration *stream; |
f571dfb1 JD |
1753 | uint64_t stream_id = 0; |
1754 | int ret; | |
1755 | ||
1756 | file_stream->parent.stream_id = stream_id; | |
1757 | if (stream_id >= td->streams->len) { | |
3394d22e | 1758 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared " |
f571dfb1 JD |
1759 | "in metadata.\n", stream_id); |
1760 | ret = -EINVAL; | |
1761 | goto end; | |
1762 | } | |
1763 | stream = g_ptr_array_index(td->streams, stream_id); | |
1764 | if (!stream) { | |
3394d22e | 1765 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared " |
f571dfb1 JD |
1766 | "in metadata.\n", stream_id); |
1767 | ret = -EINVAL; | |
1768 | goto end; | |
1769 | } | |
1770 | file_stream->parent.stream_class = stream; | |
1771 | ret = create_stream_definitions(td, &file_stream->parent); | |
1772 | end: | |
1773 | return ret; | |
1774 | } | |
1775 | ||
1776 | static | |
1777 | int ctf_open_mmap_stream_read(struct ctf_trace *td, | |
1778 | struct mmap_stream *mmap_info, | |
20d0dcf9 | 1779 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
f571dfb1 JD |
1780 | int whence)) |
1781 | { | |
1782 | int ret; | |
1783 | struct ctf_file_stream *file_stream; | |
1784 | ||
1785 | file_stream = g_new0(struct ctf_file_stream, 1); | |
3a25e036 | 1786 | file_stream->pos.last_offset = LAST_OFFSET_POISON; |
f571dfb1 JD |
1787 | ctf_init_mmap_pos(&file_stream->pos, mmap_info); |
1788 | ||
06789ffd | 1789 | file_stream->pos.packet_seek = packet_seek; |
f571dfb1 JD |
1790 | |
1791 | ret = create_trace_definitions(td, &file_stream->parent); | |
1792 | if (ret) { | |
1793 | goto error_def; | |
1794 | } | |
1795 | ||
1796 | ret = prepare_mmap_stream_definition(td, file_stream); | |
1797 | if (ret) | |
1798 | goto error_index; | |
1799 | ||
f7bbd502 | 1800 | /* |
50052405 | 1801 | * For now, only a single clock per trace is supported. |
f7bbd502 JD |
1802 | */ |
1803 | file_stream->parent.current_clock = td->single_clock; | |
1804 | ||
f571dfb1 JD |
1805 | /* Add stream file to stream class */ |
1806 | g_ptr_array_add(file_stream->parent.stream_class->streams, | |
1807 | &file_stream->parent); | |
1808 | return 0; | |
1809 | ||
1810 | error_index: | |
1811 | if (file_stream->parent.trace_packet_header) | |
1812 | definition_unref(&file_stream->parent.trace_packet_header->p); | |
1813 | error_def: | |
1814 | g_free(file_stream); | |
1815 | return ret; | |
1816 | } | |
1817 | ||
1818 | int ctf_open_mmap_trace_read(struct ctf_trace *td, | |
1819 | struct mmap_stream_list *mmap_list, | |
20d0dcf9 | 1820 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
f571dfb1 JD |
1821 | int whence), |
1822 | FILE *metadata_fp) | |
1823 | { | |
1824 | int ret; | |
1825 | struct mmap_stream *mmap_info; | |
1826 | ||
06789ffd | 1827 | ret = ctf_open_trace_metadata_read(td, ctf_packet_seek, metadata_fp); |
f571dfb1 JD |
1828 | if (ret) { |
1829 | goto error; | |
1830 | } | |
1831 | ||
1832 | /* | |
1833 | * for each stream, try to open, check magic number, and get the | |
1834 | * stream ID to add to the right location in the stream array. | |
1835 | */ | |
3122e6f0 | 1836 | bt_list_for_each_entry(mmap_info, &mmap_list->head, list) { |
06789ffd | 1837 | ret = ctf_open_mmap_stream_read(td, mmap_info, packet_seek); |
f571dfb1 | 1838 | if (ret) { |
3394d22e | 1839 | fprintf(stderr, "[error] Open file mmap stream error.\n"); |
f571dfb1 JD |
1840 | goto error; |
1841 | } | |
1842 | } | |
1843 | ||
1844 | return 0; | |
1845 | ||
1846 | error: | |
1847 | return ret; | |
1848 | } | |
1849 | ||
1850 | static | |
1851 | struct trace_descriptor *ctf_open_mmap_trace( | |
1852 | struct mmap_stream_list *mmap_list, | |
20d0dcf9 MD |
1853 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
1854 | int whence), | |
f571dfb1 JD |
1855 | FILE *metadata_fp) |
1856 | { | |
1857 | struct ctf_trace *td; | |
1858 | int ret; | |
1859 | ||
1860 | if (!metadata_fp) { | |
1861 | fprintf(stderr, "[error] No metadata file pointer associated, " | |
1862 | "required for mmap parsing\n"); | |
1863 | goto error; | |
1864 | } | |
06789ffd MD |
1865 | if (!packet_seek) { |
1866 | fprintf(stderr, "[error] packet_seek function undefined.\n"); | |
f571dfb1 JD |
1867 | goto error; |
1868 | } | |
1869 | td = g_new0(struct ctf_trace, 1); | |
06789ffd | 1870 | ret = ctf_open_mmap_trace_read(td, mmap_list, packet_seek, metadata_fp); |
f571dfb1 JD |
1871 | if (ret) |
1872 | goto error_free; | |
1873 | ||
1874 | return &td->parent; | |
1875 | ||
1876 | error_free: | |
1877 | g_free(td); | |
1878 | error: | |
1879 | return NULL; | |
1880 | } | |
1881 | ||
03798a93 JD |
1882 | static |
1883 | int ctf_convert_index_timestamp(struct trace_descriptor *tdp) | |
1884 | { | |
1885 | int i, j, k; | |
1886 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); | |
1887 | ||
1888 | /* for each stream_class */ | |
1889 | for (i = 0; i < td->streams->len; i++) { | |
1890 | struct ctf_stream_declaration *stream_class; | |
1891 | ||
1892 | stream_class = g_ptr_array_index(td->streams, i); | |
1893 | if (!stream_class) | |
1894 | continue; | |
1895 | /* for each file_stream */ | |
1896 | for (j = 0; j < stream_class->streams->len; j++) { | |
1897 | struct ctf_stream_definition *stream; | |
1898 | struct ctf_stream_pos *stream_pos; | |
1899 | struct ctf_file_stream *cfs; | |
1900 | ||
1901 | stream = g_ptr_array_index(stream_class->streams, j); | |
1902 | if (!stream) | |
1903 | continue; | |
1904 | cfs = container_of(stream, struct ctf_file_stream, | |
1905 | parent); | |
1906 | stream_pos = &cfs->pos; | |
afe9cd4a JD |
1907 | if (!stream_pos->packet_cycles_index) |
1908 | continue; | |
1909 | ||
03798a93 JD |
1910 | for (k = 0; k < stream_pos->packet_cycles_index->len; k++) { |
1911 | struct packet_index *index; | |
1912 | struct packet_index new_index; | |
1913 | ||
1914 | index = &g_array_index(stream_pos->packet_cycles_index, | |
1915 | struct packet_index, k); | |
1916 | memcpy(&new_index, index, | |
1917 | sizeof(struct packet_index)); | |
1918 | new_index.timestamp_begin = | |
1919 | ctf_get_real_timestamp(stream, | |
1920 | index->timestamp_begin); | |
1921 | new_index.timestamp_end = | |
1922 | ctf_get_real_timestamp(stream, | |
1923 | index->timestamp_end); | |
1924 | g_array_append_val(stream_pos->packet_real_index, | |
1925 | new_index); | |
1926 | } | |
1927 | } | |
1928 | } | |
1929 | return 0; | |
1930 | } | |
1931 | ||
0f980a35 | 1932 | static |
f824ae04 | 1933 | int ctf_close_file_stream(struct ctf_file_stream *file_stream) |
0f980a35 | 1934 | { |
f824ae04 MD |
1935 | int ret; |
1936 | ||
1937 | ret = ctf_fini_pos(&file_stream->pos); | |
1938 | if (ret) { | |
1939 | fprintf(stderr, "Error on ctf_fini_pos\n"); | |
1940 | return -1; | |
1941 | } | |
1942 | ret = close(file_stream->pos.fd); | |
1943 | if (ret) { | |
1944 | perror("Error closing file fd"); | |
1945 | return -1; | |
1946 | } | |
1947 | return 0; | |
0f980a35 MD |
1948 | } |
1949 | ||
e9378815 | 1950 | static |
f824ae04 | 1951 | int ctf_close_trace(struct trace_descriptor *tdp) |
bbefb8dd | 1952 | { |
46322b33 | 1953 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); |
08c82b90 | 1954 | int ret; |
0f980a35 | 1955 | |
46322b33 | 1956 | if (td->streams) { |
08c82b90 MD |
1957 | int i; |
1958 | ||
46322b33 | 1959 | for (i = 0; i < td->streams->len; i++) { |
f380e105 | 1960 | struct ctf_stream_declaration *stream; |
0f980a35 | 1961 | int j; |
e9378815 | 1962 | |
46322b33 | 1963 | stream = g_ptr_array_index(td->streams, i); |
e9378815 MD |
1964 | if (!stream) |
1965 | continue; | |
2d0bea29 | 1966 | for (j = 0; j < stream->streams->len; j++) { |
0f980a35 | 1967 | struct ctf_file_stream *file_stream; |
15d4fe3c JD |
1968 | file_stream = container_of(g_ptr_array_index(stream->streams, j), |
1969 | struct ctf_file_stream, parent); | |
f824ae04 MD |
1970 | ret = ctf_close_file_stream(file_stream); |
1971 | if (ret) | |
1972 | return ret; | |
0f980a35 | 1973 | } |
e003ab50 | 1974 | } |
e003ab50 | 1975 | } |
15d4fe3c | 1976 | ctf_destroy_metadata(td); |
f824ae04 MD |
1977 | ret = close(td->dirfd); |
1978 | if (ret) { | |
1979 | perror("Error closing dirfd"); | |
1980 | return ret; | |
1981 | } | |
1982 | ret = closedir(td->dir); | |
1983 | if (ret) { | |
1984 | perror("Error closedir"); | |
1985 | return ret; | |
1986 | } | |
bbefb8dd | 1987 | g_free(td); |
f824ae04 | 1988 | return 0; |
bbefb8dd MD |
1989 | } |
1990 | ||
98a04903 JD |
1991 | static |
1992 | void ctf_set_context(struct trace_descriptor *descriptor, | |
1993 | struct bt_context *ctx) | |
1994 | { | |
1995 | struct ctf_trace *td = container_of(descriptor, struct ctf_trace, | |
1996 | parent); | |
1997 | ||
1998 | td->ctx = ctx; | |
1999 | } | |
2000 | ||
2001 | static | |
2002 | void ctf_set_handle(struct trace_descriptor *descriptor, | |
2003 | struct bt_trace_handle *handle) | |
2004 | { | |
2005 | struct ctf_trace *td = container_of(descriptor, struct ctf_trace, | |
2006 | parent); | |
2007 | ||
2008 | td->handle = handle; | |
2009 | } | |
2010 | ||
95febab3 | 2011 | static |
7fb21036 | 2012 | void __attribute__((constructor)) ctf_init(void) |
fc93b2bd MD |
2013 | { |
2014 | int ret; | |
2015 | ||
4c8bfb7e | 2016 | ctf_format.name = g_quark_from_static_string("ctf"); |
fc93b2bd MD |
2017 | ret = bt_register_format(&ctf_format); |
2018 | assert(!ret); | |
2019 | } | |
698f0fe4 | 2020 | |
95febab3 MD |
2021 | static |
2022 | void __attribute__((destructor)) ctf_exit(void) | |
2023 | { | |
2024 | bt_unregister_format(&ctf_format); | |
2025 | } |