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> | |
4cb26dfb | 36 | #include <babeltrace/compat/uuid.h> |
43e34335 | 37 | #include <babeltrace/endian.h> |
0ace7505 | 38 | #include <babeltrace/ctf/ctf-index.h> |
0f980a35 | 39 | #include <inttypes.h> |
b4c19c1e | 40 | #include <stdio.h> |
0f980a35 | 41 | #include <sys/mman.h> |
bbefb8dd | 42 | #include <errno.h> |
bbefb8dd | 43 | #include <sys/types.h> |
65102a8c | 44 | #include <sys/stat.h> |
bbefb8dd | 45 | #include <fcntl.h> |
65102a8c | 46 | #include <dirent.h> |
bbefb8dd | 47 | #include <glib.h> |
65102a8c MD |
48 | #include <unistd.h> |
49 | #include <stdlib.h> | |
50 | ||
65102a8c MD |
51 | #include "metadata/ctf-scanner.h" |
52 | #include "metadata/ctf-parser.h" | |
53 | #include "metadata/ctf-ast.h" | |
c34ea0fa | 54 | #include "events-private.h" |
68ef7952 | 55 | #include <babeltrace/compat/memstream.h> |
edcad9c1 | 56 | #include <babeltrace/compat/fcntl.h> |
65102a8c | 57 | |
ec323464 MD |
58 | #define LOG2_CHAR_BIT 3 |
59 | ||
60 | /* | |
61 | * Length of first attempt at mapping a packet header, in bits. | |
62 | */ | |
63 | #define DEFAULT_HEADER_LEN (getpagesize() * CHAR_BIT) | |
64 | ||
0f980a35 | 65 | /* |
ec323464 | 66 | * Lenght of packet to write, in bits. |
0f980a35 | 67 | */ |
8c572eba | 68 | #define WRITE_PACKET_LEN (getpagesize() * 8 * CHAR_BIT) |
0f980a35 | 69 | |
a0fe7d97 MD |
70 | #ifndef min |
71 | #define min(a, b) (((a) < (b)) ? (a) : (b)) | |
72 | #endif | |
73 | ||
7d97fad9 MD |
74 | #define NSEC_PER_SEC 1000000000ULL |
75 | ||
0ace7505 JD |
76 | #define INDEX_PATH "./index/%s.idx" |
77 | ||
03798a93 | 78 | int opt_clock_cycles, |
7d97fad9 MD |
79 | opt_clock_seconds, |
80 | opt_clock_date, | |
81 | opt_clock_gmt; | |
82 | ||
83 | uint64_t opt_clock_offset; | |
65923160 | 84 | uint64_t opt_clock_offset_ns; |
7d97fad9 | 85 | |
65102a8c | 86 | extern int yydebug; |
bbefb8dd | 87 | |
2654fe9b MD |
88 | /* |
89 | * TODO: babeltrace_ctf_console_output ensures that we only print | |
90 | * discarded events when ctf-text plugin is used. Should be cleaned up | |
91 | * with the plugin system redesign. | |
92 | */ | |
93 | int babeltrace_ctf_console_output; | |
94 | ||
e9378815 | 95 | static |
1b8455b7 | 96 | struct bt_trace_descriptor *ctf_open_trace(const char *path, int flags, |
1cf393f6 | 97 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
20d0dcf9 MD |
98 | int whence), |
99 | FILE *metadata_fp); | |
e9378815 | 100 | static |
1b8455b7 | 101 | struct bt_trace_descriptor *ctf_open_mmap_trace( |
c150f912 | 102 | struct bt_mmap_stream_list *mmap_list, |
1cf393f6 | 103 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
20d0dcf9 | 104 | int whence), |
f571dfb1 | 105 | FILE *metadata_fp); |
98a04903 | 106 | static |
1b8455b7 | 107 | void ctf_set_context(struct bt_trace_descriptor *descriptor, |
98a04903 JD |
108 | struct bt_context *ctx); |
109 | static | |
1b8455b7 | 110 | void ctf_set_handle(struct bt_trace_descriptor *descriptor, |
98a04903 | 111 | struct bt_trace_handle *handle); |
f571dfb1 JD |
112 | |
113 | static | |
1b8455b7 | 114 | int ctf_close_trace(struct bt_trace_descriptor *descriptor); |
30c276af | 115 | static |
1b8455b7 | 116 | uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor, |
03798a93 | 117 | struct bt_trace_handle *handle, enum bt_clock_type type); |
30c276af | 118 | static |
1b8455b7 | 119 | uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor, |
03798a93 JD |
120 | struct bt_trace_handle *handle, enum bt_clock_type type); |
121 | static | |
1b8455b7 | 122 | int ctf_convert_index_timestamp(struct bt_trace_descriptor *tdp); |
fc93b2bd | 123 | |
1ae19169 MD |
124 | static |
125 | rw_dispatch read_dispatch_table[] = { | |
d11e9c49 MD |
126 | [ CTF_TYPE_INTEGER ] = ctf_integer_read, |
127 | [ CTF_TYPE_FLOAT ] = ctf_float_read, | |
128 | [ CTF_TYPE_ENUM ] = ctf_enum_read, | |
129 | [ CTF_TYPE_STRING ] = ctf_string_read, | |
130 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
131 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
132 | [ CTF_TYPE_ARRAY ] = ctf_array_read, |
133 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_read, | |
d11e9c49 MD |
134 | }; |
135 | ||
1ae19169 MD |
136 | static |
137 | rw_dispatch write_dispatch_table[] = { | |
d11e9c49 MD |
138 | [ CTF_TYPE_INTEGER ] = ctf_integer_write, |
139 | [ CTF_TYPE_FLOAT ] = ctf_float_write, | |
140 | [ CTF_TYPE_ENUM ] = ctf_enum_write, | |
141 | [ CTF_TYPE_STRING ] = ctf_string_write, | |
142 | [ CTF_TYPE_STRUCT ] = ctf_struct_rw, | |
143 | [ CTF_TYPE_VARIANT ] = ctf_variant_rw, | |
81dee1bb MD |
144 | [ CTF_TYPE_ARRAY ] = ctf_array_write, |
145 | [ CTF_TYPE_SEQUENCE ] = ctf_sequence_write, | |
d11e9c49 MD |
146 | }; |
147 | ||
1ae19169 | 148 | static |
37b99bdb | 149 | struct bt_format ctf_format = { |
bbefb8dd | 150 | .open_trace = ctf_open_trace, |
f571dfb1 | 151 | .open_mmap_trace = ctf_open_mmap_trace, |
bbefb8dd | 152 | .close_trace = ctf_close_trace, |
98a04903 JD |
153 | .set_context = ctf_set_context, |
154 | .set_handle = ctf_set_handle, | |
30c276af JD |
155 | .timestamp_begin = ctf_timestamp_begin, |
156 | .timestamp_end = ctf_timestamp_end, | |
03798a93 | 157 | .convert_index_timestamp = ctf_convert_index_timestamp, |
fc93b2bd MD |
158 | }; |
159 | ||
30c276af | 160 | static |
1b8455b7 | 161 | uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor, |
03798a93 | 162 | struct bt_trace_handle *handle, enum bt_clock_type type) |
30c276af JD |
163 | { |
164 | struct ctf_trace *tin; | |
165 | uint64_t begin = ULLONG_MAX; | |
166 | int i, j; | |
167 | ||
168 | tin = container_of(descriptor, struct ctf_trace, parent); | |
169 | ||
170 | if (!tin) | |
171 | goto error; | |
172 | ||
173 | /* for each stream_class */ | |
174 | for (i = 0; i < tin->streams->len; i++) { | |
175 | struct ctf_stream_declaration *stream_class; | |
176 | ||
177 | stream_class = g_ptr_array_index(tin->streams, i); | |
1b01ffc2 MD |
178 | if (!stream_class) |
179 | continue; | |
30c276af JD |
180 | /* for each file_stream */ |
181 | for (j = 0; j < stream_class->streams->len; j++) { | |
182 | struct ctf_stream_definition *stream; | |
183 | struct ctf_file_stream *cfs; | |
184 | struct ctf_stream_pos *stream_pos; | |
185 | struct packet_index *index; | |
186 | ||
187 | stream = g_ptr_array_index(stream_class->streams, j); | |
188 | cfs = container_of(stream, struct ctf_file_stream, | |
189 | parent); | |
190 | stream_pos = &cfs->pos; | |
191 | ||
992e8cc0 | 192 | if (!stream_pos->packet_index) |
03798a93 JD |
193 | goto error; |
194 | ||
992e8cc0 | 195 | if (stream_pos->packet_index->len <= 0) |
afe9cd4a JD |
196 | continue; |
197 | ||
992e8cc0 MD |
198 | index = &g_array_index(stream_pos->packet_index, |
199 | struct packet_index, | |
200 | stream_pos->packet_index->len - 1); | |
03798a93 | 201 | if (type == BT_CLOCK_REAL) { |
992e8cc0 MD |
202 | if (index->ts_real.timestamp_begin < begin) |
203 | begin = index->ts_real.timestamp_begin; | |
03798a93 | 204 | } else if (type == BT_CLOCK_CYCLES) { |
992e8cc0 MD |
205 | if (index->ts_cycles.timestamp_begin < begin) |
206 | begin = index->ts_cycles.timestamp_begin; | |
03798a93 JD |
207 | } else { |
208 | goto error; | |
209 | } | |
30c276af JD |
210 | } |
211 | } | |
212 | ||
213 | return begin; | |
214 | ||
215 | error: | |
216 | return -1ULL; | |
217 | } | |
218 | ||
219 | static | |
1b8455b7 | 220 | uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor, |
03798a93 | 221 | struct bt_trace_handle *handle, enum bt_clock_type type) |
30c276af JD |
222 | { |
223 | struct ctf_trace *tin; | |
224 | uint64_t end = 0; | |
225 | int i, j; | |
226 | ||
227 | tin = container_of(descriptor, struct ctf_trace, parent); | |
228 | ||
229 | if (!tin) | |
230 | goto error; | |
231 | ||
232 | /* for each stream_class */ | |
233 | for (i = 0; i < tin->streams->len; i++) { | |
234 | struct ctf_stream_declaration *stream_class; | |
235 | ||
236 | stream_class = g_ptr_array_index(tin->streams, i); | |
1b01ffc2 MD |
237 | if (!stream_class) |
238 | continue; | |
30c276af JD |
239 | /* for each file_stream */ |
240 | for (j = 0; j < stream_class->streams->len; j++) { | |
241 | struct ctf_stream_definition *stream; | |
242 | struct ctf_file_stream *cfs; | |
243 | struct ctf_stream_pos *stream_pos; | |
244 | struct packet_index *index; | |
245 | ||
246 | stream = g_ptr_array_index(stream_class->streams, j); | |
247 | cfs = container_of(stream, struct ctf_file_stream, | |
248 | parent); | |
249 | stream_pos = &cfs->pos; | |
250 | ||
992e8cc0 | 251 | if (!stream_pos->packet_index) |
03798a93 JD |
252 | goto error; |
253 | ||
992e8cc0 | 254 | if (stream_pos->packet_index->len <= 0) |
afe9cd4a JD |
255 | continue; |
256 | ||
992e8cc0 MD |
257 | index = &g_array_index(stream_pos->packet_index, |
258 | struct packet_index, | |
259 | stream_pos->packet_index->len - 1); | |
03798a93 | 260 | if (type == BT_CLOCK_REAL) { |
992e8cc0 MD |
261 | if (index->ts_real.timestamp_end > end) |
262 | end = index->ts_real.timestamp_end; | |
03798a93 | 263 | } else if (type == BT_CLOCK_CYCLES) { |
992e8cc0 MD |
264 | if (index->ts_cycles.timestamp_end > end) |
265 | end = index->ts_cycles.timestamp_end; | |
03798a93 JD |
266 | } else { |
267 | goto error; | |
268 | } | |
30c276af JD |
269 | } |
270 | } | |
271 | ||
272 | return end; | |
273 | ||
274 | error: | |
275 | return -1ULL; | |
276 | } | |
277 | ||
25ccc85b | 278 | /* |
03798a93 | 279 | * Update stream current timestamp |
25ccc85b | 280 | */ |
2b9a764d | 281 | static |
9e88d150 | 282 | void ctf_update_timestamp(struct ctf_stream_definition *stream, |
2b9a764d MD |
283 | struct definition_integer *integer_definition) |
284 | { | |
285 | struct declaration_integer *integer_declaration = | |
286 | integer_definition->declaration; | |
287 | uint64_t oldval, newval, updateval; | |
288 | ||
7f3f572b | 289 | if (unlikely(integer_declaration->len == 64)) { |
03798a93 | 290 | stream->cycles_timestamp = integer_definition->value._unsigned; |
03798a93 JD |
291 | stream->real_timestamp = ctf_get_real_timestamp(stream, |
292 | stream->cycles_timestamp); | |
2b9a764d MD |
293 | return; |
294 | } | |
295 | /* keep low bits */ | |
03798a93 | 296 | oldval = stream->cycles_timestamp; |
2b9a764d MD |
297 | oldval &= (1ULL << integer_declaration->len) - 1; |
298 | newval = integer_definition->value._unsigned; | |
299 | /* Test for overflow by comparing low bits */ | |
300 | if (newval < oldval) | |
301 | newval += 1ULL << integer_declaration->len; | |
302 | /* updateval contains old high bits, and new low bits (sum) */ | |
03798a93 | 303 | updateval = stream->cycles_timestamp; |
2b9a764d MD |
304 | updateval &= ~((1ULL << integer_declaration->len) - 1); |
305 | updateval += newval; | |
03798a93 JD |
306 | stream->cycles_timestamp = updateval; |
307 | ||
308 | /* convert to real timestamp */ | |
03798a93 JD |
309 | stream->real_timestamp = ctf_get_real_timestamp(stream, |
310 | stream->cycles_timestamp); | |
2b9a764d MD |
311 | } |
312 | ||
25ccc85b MD |
313 | /* |
314 | * Print timestamp, rescaling clock frequency to nanoseconds and | |
315 | * applying offsets as needed (unix time). | |
316 | */ | |
2e937fb4 | 317 | static |
03798a93 | 318 | void ctf_print_timestamp_real(FILE *fp, |
9e88d150 | 319 | struct ctf_stream_definition *stream, |
7d97fad9 MD |
320 | uint64_t timestamp) |
321 | { | |
322 | uint64_t ts_sec = 0, ts_nsec; | |
7d97fad9 | 323 | |
03798a93 | 324 | ts_nsec = timestamp; |
7d97fad9 | 325 | |
65923160 IJ |
326 | /* Add command-line offset in ns*/ |
327 | ts_nsec += opt_clock_offset_ns; | |
328 | ||
c34ea0fa | 329 | /* Add command-line offset */ |
7d97fad9 MD |
330 | ts_sec += opt_clock_offset; |
331 | ||
332 | ts_sec += ts_nsec / NSEC_PER_SEC; | |
333 | ts_nsec = ts_nsec % NSEC_PER_SEC; | |
334 | ||
335 | if (!opt_clock_seconds) { | |
336 | struct tm tm; | |
337 | time_t time_s = (time_t) ts_sec; | |
338 | ||
339 | if (!opt_clock_gmt) { | |
340 | struct tm *res; | |
341 | ||
342 | res = localtime_r(&time_s, &tm); | |
343 | if (!res) { | |
344 | fprintf(stderr, "[warning] Unable to get localtime.\n"); | |
345 | goto seconds; | |
346 | } | |
347 | } else { | |
348 | struct tm *res; | |
349 | ||
350 | res = gmtime_r(&time_s, &tm); | |
351 | if (!res) { | |
352 | fprintf(stderr, "[warning] Unable to get gmtime.\n"); | |
353 | goto seconds; | |
354 | } | |
355 | } | |
356 | if (opt_clock_date) { | |
357 | char timestr[26]; | |
358 | size_t res; | |
359 | ||
360 | /* Print date and time */ | |
361 | res = strftime(timestr, sizeof(timestr), | |
362 | "%F ", &tm); | |
363 | if (!res) { | |
364 | fprintf(stderr, "[warning] Unable to print ascii time.\n"); | |
365 | goto seconds; | |
366 | } | |
367 | fprintf(fp, "%s", timestr); | |
368 | } | |
369 | /* Print time in HH:MM:SS.ns */ | |
370 | fprintf(fp, "%02d:%02d:%02d.%09" PRIu64, | |
371 | tm.tm_hour, tm.tm_min, tm.tm_sec, ts_nsec); | |
372 | goto end; | |
373 | } | |
374 | seconds: | |
375 | fprintf(fp, "%3" PRIu64 ".%09" PRIu64, | |
376 | ts_sec, ts_nsec); | |
377 | ||
378 | end: | |
379 | return; | |
380 | } | |
381 | ||
03798a93 JD |
382 | /* |
383 | * Print timestamp, in cycles | |
384 | */ | |
2e937fb4 | 385 | static |
03798a93 JD |
386 | void ctf_print_timestamp_cycles(FILE *fp, |
387 | struct ctf_stream_definition *stream, | |
388 | uint64_t timestamp) | |
389 | { | |
390 | fprintf(fp, "%020" PRIu64, timestamp); | |
391 | } | |
392 | ||
393 | void ctf_print_timestamp(FILE *fp, | |
394 | struct ctf_stream_definition *stream, | |
395 | uint64_t timestamp) | |
396 | { | |
397 | if (opt_clock_cycles) { | |
398 | ctf_print_timestamp_cycles(fp, stream, timestamp); | |
399 | } else { | |
400 | ctf_print_timestamp_real(fp, stream, timestamp); | |
401 | } | |
402 | } | |
403 | ||
87148dc7 MD |
404 | static |
405 | void print_uuid(FILE *fp, unsigned char *uuid) | |
406 | { | |
407 | int i; | |
408 | ||
409 | for (i = 0; i < BABELTRACE_UUID_LEN; i++) | |
410 | fprintf(fp, "%x", (unsigned int) uuid[i]); | |
411 | } | |
412 | ||
2654fe9b MD |
413 | /* |
414 | * Discarded events can be either: | |
415 | * - discarded after end of previous buffer due to buffer full: | |
416 | * happened within range: [ prev_timestamp_end, timestamp_begin ] | |
417 | * - discarded within current buffer due to either event too large or | |
418 | * nested wrap-around: | |
419 | * happened within range: [ timestamp_begin, timestamp_end ] | |
420 | * | |
421 | * Given we have discarded counters of those two types merged into the | |
422 | * events_discarded counter, we need to use the union of those ranges: | |
423 | * [ prev_timestamp_end, timestamp_end ] | |
424 | */ | |
425 | static | |
426 | void ctf_print_discarded(FILE *fp, struct ctf_stream_definition *stream) | |
87148dc7 | 427 | { |
2654fe9b MD |
428 | if (!stream->events_discarded || !babeltrace_ctf_console_output) { |
429 | return; | |
430 | } | |
431 | fflush(stdout); | |
432 | fprintf(fp, "[warning] Tracer discarded %" PRIu64 " events between [", | |
433 | stream->events_discarded); | |
87148dc7 MD |
434 | if (opt_clock_cycles) { |
435 | ctf_print_timestamp(fp, stream, | |
2654fe9b | 436 | stream->prev.cycles.end); |
87148dc7 MD |
437 | fprintf(fp, "] and ["); |
438 | ctf_print_timestamp(fp, stream, | |
2654fe9b | 439 | stream->current.cycles.end); |
87148dc7 MD |
440 | } else { |
441 | ctf_print_timestamp(fp, stream, | |
2654fe9b | 442 | stream->prev.real.end); |
87148dc7 MD |
443 | fprintf(fp, "] and ["); |
444 | ctf_print_timestamp(fp, stream, | |
2654fe9b | 445 | stream->current.real.end); |
87148dc7 MD |
446 | } |
447 | fprintf(fp, "] in trace UUID "); | |
448 | print_uuid(fp, stream->stream_class->trace->uuid); | |
caf929fa | 449 | if (stream->stream_class->trace->parent.path[0]) |
87148dc7 | 450 | fprintf(fp, ", at path: \"%s\"", |
caf929fa | 451 | stream->stream_class->trace->parent.path); |
87148dc7 MD |
452 | |
453 | fprintf(fp, ", within stream id %" PRIu64, stream->stream_id); | |
454 | if (stream->path[0]) | |
455 | fprintf(fp, ", at relative path: \"%s\"", stream->path); | |
456 | fprintf(fp, ". "); | |
457 | fprintf(fp, "You should consider recording a new trace with larger " | |
458 | "buffers or with fewer events enabled.\n"); | |
459 | fflush(fp); | |
460 | } | |
461 | ||
31262354 | 462 | static |
1cf393f6 | 463 | int ctf_read_event(struct bt_stream_pos *ppos, struct ctf_stream_definition *stream) |
31262354 MD |
464 | { |
465 | struct ctf_stream_pos *pos = | |
466 | container_of(ppos, struct ctf_stream_pos, parent); | |
f380e105 | 467 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
c716f83b | 468 | struct ctf_event_definition *event; |
31262354 | 469 | uint64_t id = 0; |
31262354 MD |
470 | int ret; |
471 | ||
3abe83c7 MD |
472 | /* We need to check for EOF here for empty files. */ |
473 | if (unlikely(pos->offset == EOF)) | |
474 | return EOF; | |
475 | ||
5f643ed7 MD |
476 | ctf_pos_get_event(pos); |
477 | ||
90fcbacc JD |
478 | /* save the current position as a restore point */ |
479 | pos->last_offset = pos->offset; | |
90fcbacc | 480 | |
3abe83c7 MD |
481 | /* |
482 | * This is the EOF check after we've advanced the position in | |
483 | * ctf_pos_get_event. | |
484 | */ | |
7f3f572b | 485 | if (unlikely(pos->offset == EOF)) |
31262354 | 486 | return EOF; |
8793d9f8 | 487 | |
500634be JD |
488 | /* Stream is inactive for now (live reading). */ |
489 | if (unlikely(pos->content_size == 0)) | |
8793d9f8 | 490 | return EAGAIN; |
500634be JD |
491 | |
492 | /* | |
493 | * Packet seeked to by ctf_pos_get_event() only contains | |
494 | * headers, no event. Consider stream as inactive (live | |
495 | * reading). | |
496 | */ | |
497 | if (unlikely(pos->data_offset == pos->content_size)) | |
a5260047 JD |
498 | return EAGAIN; |
499 | ||
5f643ed7 | 500 | assert(pos->offset < pos->content_size); |
31262354 MD |
501 | |
502 | /* Read event header */ | |
7f3f572b | 503 | if (likely(stream->stream_event_header)) { |
a35173fe | 504 | struct definition_integer *integer_definition; |
0d69b916 | 505 | struct bt_definition *variant; |
a35173fe | 506 | |
e28d4618 | 507 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
7f3f572b | 508 | if (unlikely(ret)) |
31262354 MD |
509 | goto error; |
510 | /* lookup event id */ | |
bf78e2cf | 511 | integer_definition = bt_lookup_integer(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
512 | if (integer_definition) { |
513 | id = integer_definition->value._unsigned; | |
514 | } else { | |
515 | struct definition_enum *enum_definition; | |
516 | ||
9e3274b0 | 517 | enum_definition = bt_lookup_enum(&stream->stream_event_header->p, "id", FALSE); |
a35173fe MD |
518 | if (enum_definition) { |
519 | id = enum_definition->integer->value._unsigned; | |
520 | } | |
31262354 | 521 | } |
764af3f4 | 522 | |
ebae302b | 523 | variant = bt_lookup_variant(&stream->stream_event_header->p, "v"); |
ccdb988e | 524 | if (variant) { |
bf78e2cf | 525 | integer_definition = bt_lookup_integer(variant, "id", FALSE); |
ccdb988e MD |
526 | if (integer_definition) { |
527 | id = integer_definition->value._unsigned; | |
528 | } | |
529 | } | |
c87a8eb2 | 530 | stream->event_id = id; |
ccdb988e | 531 | |
764af3f4 | 532 | /* lookup timestamp */ |
5e2eb0ae | 533 | stream->has_timestamp = 0; |
bf78e2cf | 534 | integer_definition = bt_lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE); |
a35173fe | 535 | if (integer_definition) { |
2b9a764d | 536 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 537 | stream->has_timestamp = 1; |
a35173fe | 538 | } else { |
ccdb988e | 539 | if (variant) { |
bf78e2cf | 540 | integer_definition = bt_lookup_integer(variant, "timestamp", FALSE); |
a35173fe | 541 | if (integer_definition) { |
2b9a764d | 542 | ctf_update_timestamp(stream, integer_definition); |
5e2eb0ae | 543 | stream->has_timestamp = 1; |
a35173fe MD |
544 | } |
545 | } | |
764af3f4 | 546 | } |
31262354 MD |
547 | } |
548 | ||
549 | /* Read stream-declared event context */ | |
e28d4618 MD |
550 | if (stream->stream_event_context) { |
551 | ret = generic_rw(ppos, &stream->stream_event_context->p); | |
31262354 MD |
552 | if (ret) |
553 | goto error; | |
554 | } | |
555 | ||
7f3f572b | 556 | if (unlikely(id >= stream_class->events_by_id->len)) { |
3394d22e | 557 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
558 | return -EINVAL; |
559 | } | |
e28d4618 | 560 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 561 | if (unlikely(!event)) { |
3394d22e | 562 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
563 | return -EINVAL; |
564 | } | |
565 | ||
566 | /* Read event-declared event context */ | |
e28d4618 MD |
567 | if (event->event_context) { |
568 | ret = generic_rw(ppos, &event->event_context->p); | |
31262354 MD |
569 | if (ret) |
570 | goto error; | |
571 | } | |
572 | ||
573 | /* Read event payload */ | |
7f3f572b | 574 | if (likely(event->event_fields)) { |
e28d4618 | 575 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
576 | if (ret) |
577 | goto error; | |
578 | } | |
579 | ||
28f35f0a MD |
580 | if (pos->last_offset == pos->offset) { |
581 | fprintf(stderr, "[error] Invalid 0 byte event encountered.\n"); | |
582 | return -EINVAL; | |
583 | } | |
584 | ||
31262354 MD |
585 | return 0; |
586 | ||
587 | error: | |
64f5abe1 | 588 | fprintf(stderr, "[error] Unexpected end of packet. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); |
31262354 MD |
589 | return ret; |
590 | } | |
591 | ||
592 | static | |
1cf393f6 | 593 | int ctf_write_event(struct bt_stream_pos *pos, struct ctf_stream_definition *stream) |
31262354 | 594 | { |
f380e105 | 595 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
c716f83b | 596 | struct ctf_event_definition *event; |
c87a8eb2 | 597 | uint64_t id; |
31262354 MD |
598 | int ret; |
599 | ||
c87a8eb2 MD |
600 | id = stream->event_id; |
601 | ||
31262354 | 602 | /* print event header */ |
7f3f572b | 603 | if (likely(stream->stream_event_header)) { |
e28d4618 | 604 | ret = generic_rw(pos, &stream->stream_event_header->p); |
31262354 MD |
605 | if (ret) |
606 | goto error; | |
607 | } | |
608 | ||
609 | /* print stream-declared event context */ | |
e28d4618 MD |
610 | if (stream->stream_event_context) { |
611 | ret = generic_rw(pos, &stream->stream_event_context->p); | |
31262354 MD |
612 | if (ret) |
613 | goto error; | |
614 | } | |
615 | ||
7f3f572b | 616 | if (unlikely(id >= stream_class->events_by_id->len)) { |
3394d22e | 617 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
618 | return -EINVAL; |
619 | } | |
e28d4618 | 620 | event = g_ptr_array_index(stream->events_by_id, id); |
7f3f572b | 621 | if (unlikely(!event)) { |
3394d22e | 622 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
623 | return -EINVAL; |
624 | } | |
625 | ||
626 | /* print event-declared event context */ | |
e28d4618 MD |
627 | if (event->event_context) { |
628 | ret = generic_rw(pos, &event->event_context->p); | |
31262354 MD |
629 | if (ret) |
630 | goto error; | |
631 | } | |
632 | ||
633 | /* Read and print event payload */ | |
7f3f572b | 634 | if (likely(event->event_fields)) { |
e28d4618 | 635 | ret = generic_rw(pos, &event->event_fields->p); |
31262354 MD |
636 | if (ret) |
637 | goto error; | |
638 | } | |
639 | ||
640 | return 0; | |
641 | ||
642 | error: | |
3394d22e | 643 | 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 |
644 | return ret; |
645 | } | |
646 | ||
e69dd258 JD |
647 | /* |
648 | * One side-effect of this function is to unmap pos mmap base if one is | |
649 | * mapped. | |
650 | */ | |
651 | static | |
652 | int find_data_offset(struct ctf_stream_pos *pos, | |
653 | struct ctf_file_stream *file_stream, | |
654 | struct packet_index *packet_index) | |
655 | { | |
656 | uint64_t packet_map_len = DEFAULT_HEADER_LEN, tmp_map_len; | |
657 | struct stat filestats; | |
658 | size_t filesize; | |
659 | int ret; | |
660 | ||
661 | pos = &file_stream->pos; | |
662 | ||
663 | ret = fstat(pos->fd, &filestats); | |
664 | if (ret < 0) | |
665 | return ret; | |
666 | filesize = filestats.st_size; | |
667 | ||
668 | /* Deal with empty files */ | |
669 | if (!filesize) { | |
670 | return 0; | |
671 | } | |
672 | ||
673 | begin: | |
674 | if (filesize - pos->mmap_offset < (packet_map_len >> LOG2_CHAR_BIT)) { | |
675 | packet_map_len = (filesize - pos->mmap_offset) << LOG2_CHAR_BIT; | |
676 | } | |
677 | ||
678 | if (pos->base_mma) { | |
679 | /* unmap old base */ | |
680 | ret = munmap_align(pos->base_mma); | |
681 | if (ret) { | |
682 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", | |
683 | strerror(errno)); | |
684 | return ret; | |
685 | } | |
686 | pos->base_mma = NULL; | |
687 | } | |
688 | /* map new base. Need mapping length from header. */ | |
689 | pos->base_mma = mmap_align(packet_map_len >> LOG2_CHAR_BIT, PROT_READ, | |
690 | MAP_PRIVATE, pos->fd, pos->mmap_offset); | |
691 | assert(pos->base_mma != MAP_FAILED); | |
692 | ||
693 | pos->content_size = packet_map_len; | |
694 | pos->packet_size = packet_map_len; | |
695 | pos->offset = 0; /* Position of the packet header */ | |
696 | ||
697 | /* update trace_packet_header and stream_packet_context */ | |
698 | if (pos->prot == PROT_READ && file_stream->parent.trace_packet_header) { | |
699 | /* Read packet header */ | |
700 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); | |
701 | if (ret) { | |
702 | if (ret == -EFAULT) | |
703 | goto retry; | |
704 | } | |
705 | } | |
706 | if (pos->prot == PROT_READ && file_stream->parent.stream_packet_context) { | |
707 | /* Read packet context */ | |
708 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); | |
709 | if (ret) { | |
710 | if (ret == -EFAULT) | |
711 | goto retry; | |
712 | } | |
713 | } | |
714 | packet_index->data_offset = pos->offset; | |
715 | ||
716 | /* unmap old base */ | |
717 | ret = munmap_align(pos->base_mma); | |
718 | if (ret) { | |
719 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", | |
720 | strerror(errno)); | |
721 | return ret; | |
722 | } | |
723 | pos->base_mma = NULL; | |
724 | ||
725 | return 0; | |
726 | ||
727 | /* Retry with larger mapping */ | |
728 | retry: | |
729 | if (packet_map_len == ((filesize - pos->mmap_offset) << LOG2_CHAR_BIT)) { | |
730 | /* | |
731 | * Reached EOF, but still expecting header/context data. | |
732 | */ | |
733 | fprintf(stderr, "[error] Reached end of file, but still expecting header or context fields.\n"); | |
734 | return -EFAULT; | |
735 | } | |
736 | /* Double the mapping len, and retry */ | |
737 | tmp_map_len = packet_map_len << 1; | |
738 | if (tmp_map_len >> 1 != packet_map_len) { | |
739 | /* Overflow */ | |
740 | fprintf(stderr, "[error] Packet mapping length overflow\n"); | |
741 | return -EFAULT; | |
742 | } | |
743 | packet_map_len = tmp_map_len; | |
744 | goto begin; | |
745 | } | |
746 | ||
747 | ||
ca334c72 MD |
748 | int ctf_init_pos(struct ctf_stream_pos *pos, struct bt_trace_descriptor *trace, |
749 | int fd, int open_flags) | |
8c572eba MD |
750 | { |
751 | pos->fd = fd; | |
37fcdd19 | 752 | if (fd >= 0) { |
992e8cc0 | 753 | pos->packet_index = g_array_new(FALSE, TRUE, |
37fcdd19 JD |
754 | sizeof(struct packet_index)); |
755 | } else { | |
992e8cc0 | 756 | pos->packet_index = NULL; |
37fcdd19 | 757 | } |
8563e754 MD |
758 | switch (open_flags & O_ACCMODE) { |
759 | case O_RDONLY: | |
760 | pos->prot = PROT_READ; | |
761 | pos->flags = MAP_PRIVATE; | |
762 | pos->parent.rw_table = read_dispatch_table; | |
31262354 | 763 | pos->parent.event_cb = ctf_read_event; |
ca334c72 | 764 | pos->parent.trace = trace; |
8563e754 | 765 | break; |
8563e754 | 766 | case O_RDWR: |
fcf10417 | 767 | pos->prot = PROT_READ | PROT_WRITE; |
8563e754 MD |
768 | pos->flags = MAP_SHARED; |
769 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 770 | pos->parent.event_cb = ctf_write_event; |
ca334c72 | 771 | pos->parent.trace = trace; |
8563e754 | 772 | if (fd >= 0) |
06789ffd | 773 | ctf_packet_seek(&pos->parent, 0, SEEK_SET); /* position for write */ |
8563e754 MD |
774 | break; |
775 | default: | |
776 | assert(0); | |
8c572eba | 777 | } |
f824ae04 | 778 | return 0; |
8c572eba MD |
779 | } |
780 | ||
f824ae04 | 781 | int ctf_fini_pos(struct ctf_stream_pos *pos) |
8c572eba | 782 | { |
fcf10417 | 783 | if ((pos->prot & PROT_WRITE) && pos->content_size_loc) |
8c572eba | 784 | *pos->content_size_loc = pos->offset; |
aee35fcc | 785 | if (pos->base_mma) { |
08c82b90 MD |
786 | int ret; |
787 | ||
8c572eba | 788 | /* unmap old base */ |
aee35fcc | 789 | ret = munmap_align(pos->base_mma); |
8c572eba | 790 | if (ret) { |
3394d22e | 791 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
8c572eba | 792 | strerror(errno)); |
f824ae04 | 793 | return -1; |
8c572eba MD |
794 | } |
795 | } | |
992e8cc0 MD |
796 | if (pos->packet_index) |
797 | (void) g_array_free(pos->packet_index, TRUE); | |
f824ae04 | 798 | return 0; |
8c572eba MD |
799 | } |
800 | ||
f1f52630 MD |
801 | void ctf_update_current_packet_index(struct ctf_stream_definition *stream, |
802 | struct packet_index *prev_index, | |
803 | struct packet_index *cur_index) | |
804 | { | |
805 | uint64_t events_discarded_diff; | |
806 | ||
807 | /* Update packet index time information */ | |
2654fe9b MD |
808 | |
809 | /* Current packet begin/end */ | |
810 | stream->current.real.begin = | |
811 | cur_index->ts_real.timestamp_begin; | |
812 | stream->current.cycles.begin = | |
f1f52630 | 813 | cur_index->ts_cycles.timestamp_begin; |
2654fe9b | 814 | stream->current.real.end = |
f1f52630 | 815 | cur_index->ts_real.timestamp_end; |
2654fe9b MD |
816 | stream->current.cycles.end = |
817 | cur_index->ts_cycles.timestamp_end; | |
f1f52630 MD |
818 | |
819 | /* Update packet index discarded event information */ | |
820 | events_discarded_diff = cur_index->events_discarded; | |
821 | if (prev_index) { | |
2654fe9b MD |
822 | /* Previous packet begin/end */ |
823 | stream->prev.cycles.begin = | |
824 | prev_index->ts_cycles.timestamp_begin; | |
825 | stream->prev.real.begin = | |
826 | prev_index->ts_real.timestamp_begin; | |
827 | stream->prev.cycles.end = | |
828 | prev_index->ts_cycles.timestamp_end; | |
829 | stream->prev.real.end = | |
830 | prev_index->ts_real.timestamp_end; | |
831 | ||
f1f52630 MD |
832 | events_discarded_diff -= prev_index->events_discarded; |
833 | /* | |
834 | * Deal with 32-bit wrap-around if the tracer provided a | |
835 | * 32-bit field. | |
836 | */ | |
837 | if (prev_index->events_discarded_len == 32) { | |
838 | events_discarded_diff = (uint32_t) events_discarded_diff; | |
839 | } | |
2654fe9b MD |
840 | } else { |
841 | /* | |
842 | * First packet: use current packet info as limits for | |
843 | * previous packet. | |
844 | */ | |
845 | stream->prev.cycles.begin = | |
846 | stream->prev.cycles.end = | |
847 | stream->current.cycles.begin; | |
848 | stream->prev.real.begin = | |
849 | stream->prev.real.end = | |
850 | stream->current.real.begin; | |
f1f52630 MD |
851 | } |
852 | stream->events_discarded = events_discarded_diff; | |
853 | } | |
854 | ||
20d0dcf9 MD |
855 | /* |
856 | * for SEEK_CUR: go to next packet. | |
34b8fff6 | 857 | * for SEEK_SET: go to packet numer (index). |
20d0dcf9 | 858 | */ |
1cf393f6 | 859 | void ctf_packet_seek(struct bt_stream_pos *stream_pos, size_t index, int whence) |
0f980a35 | 860 | { |
d6425aaf MD |
861 | struct ctf_stream_pos *pos = |
862 | container_of(stream_pos, struct ctf_stream_pos, parent); | |
75cc2c35 MD |
863 | struct ctf_file_stream *file_stream = |
864 | container_of(pos, struct ctf_file_stream, pos); | |
0f980a35 | 865 | int ret; |
2654fe9b | 866 | struct packet_index *packet_index, *prev_index; |
0f980a35 | 867 | |
5bfcad93 MD |
868 | switch (whence) { |
869 | case SEEK_CUR: | |
870 | case SEEK_SET: /* Fall-through */ | |
871 | break; /* OK */ | |
872 | default: | |
873 | assert(0); | |
874 | } | |
875 | ||
fcf10417 | 876 | if ((pos->prot & PROT_WRITE) && pos->content_size_loc) |
8c572eba | 877 | *pos->content_size_loc = pos->offset; |
0f980a35 | 878 | |
aee35fcc | 879 | if (pos->base_mma) { |
0f980a35 | 880 | /* unmap old base */ |
aee35fcc | 881 | ret = munmap_align(pos->base_mma); |
0f980a35 | 882 | if (ret) { |
3394d22e | 883 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", |
0f980a35 MD |
884 | strerror(errno)); |
885 | assert(0); | |
886 | } | |
aee35fcc | 887 | pos->base_mma = NULL; |
0f980a35 MD |
888 | } |
889 | ||
8c572eba | 890 | /* |
46322b33 | 891 | * The caller should never ask for ctf_move_pos across packets, |
8c572eba MD |
892 | * except to get exactly at the beginning of the next packet. |
893 | */ | |
fcf10417 | 894 | if (pos->prot & PROT_WRITE) { |
989c73bc MD |
895 | switch (whence) { |
896 | case SEEK_CUR: | |
897 | /* The writer will add padding */ | |
e0a5b455 | 898 | pos->mmap_offset += pos->packet_size / CHAR_BIT; |
989c73bc MD |
899 | break; |
900 | case SEEK_SET: | |
20d0dcf9 | 901 | assert(index == 0); /* only seek supported for now */ |
989c73bc MD |
902 | pos->cur_index = 0; |
903 | break; | |
904 | default: | |
905 | assert(0); | |
906 | } | |
8c572eba MD |
907 | pos->content_size = -1U; /* Unknown at this point */ |
908 | pos->packet_size = WRITE_PACKET_LEN; | |
118f5776 MD |
909 | do { |
910 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, | |
911 | pos->packet_size / CHAR_BIT); | |
912 | } while (ret == EINTR); | |
913 | assert(ret == 0); | |
847bf71a | 914 | pos->offset = 0; |
8c572eba | 915 | } else { |
5f643ed7 | 916 | read_next_packet: |
847bf71a MD |
917 | switch (whence) { |
918 | case SEEK_CUR: | |
41e82e00 | 919 | { |
7d97fad9 MD |
920 | if (pos->offset == EOF) { |
921 | return; | |
922 | } | |
992e8cc0 | 923 | assert(pos->cur_index < pos->packet_index->len); |
847bf71a | 924 | /* The reader will expect us to skip padding */ |
8c572eba | 925 | ++pos->cur_index; |
847bf71a | 926 | break; |
41e82e00 | 927 | } |
847bf71a | 928 | case SEEK_SET: |
992e8cc0 | 929 | if (index >= pos->packet_index->len) { |
c309df1c MD |
930 | pos->offset = EOF; |
931 | return; | |
932 | } | |
20d0dcf9 | 933 | pos->cur_index = index; |
847bf71a MD |
934 | break; |
935 | default: | |
936 | assert(0); | |
937 | } | |
2654fe9b MD |
938 | |
939 | packet_index = &g_array_index(pos->packet_index, | |
940 | struct packet_index, pos->cur_index); | |
941 | if (pos->cur_index > 0) { | |
942 | prev_index = &g_array_index(pos->packet_index, | |
943 | struct packet_index, | |
944 | pos->cur_index - 1); | |
945 | } else { | |
946 | prev_index = NULL; | |
947 | } | |
948 | ctf_update_current_packet_index(&file_stream->parent, | |
949 | prev_index, packet_index); | |
950 | ||
992e8cc0 | 951 | if (pos->cur_index >= pos->packet_index->len) { |
670977d3 | 952 | pos->offset = EOF; |
847bf71a MD |
953 | return; |
954 | } | |
2654fe9b MD |
955 | |
956 | /* | |
957 | * We need to check if we are in trace read or called | |
958 | * from packet indexing. In this last case, the | |
959 | * collection is not there, so we cannot print the | |
960 | * timestamps. | |
961 | */ | |
962 | if ((&file_stream->parent)->stream_class->trace->parent.collection) { | |
963 | ctf_print_discarded(stderr, &file_stream->parent); | |
964 | } | |
965 | ||
992e8cc0 | 966 | packet_index = &g_array_index(pos->packet_index, |
03798a93 JD |
967 | struct packet_index, |
968 | pos->cur_index); | |
992e8cc0 | 969 | file_stream->parent.cycles_timestamp = packet_index->ts_cycles.timestamp_begin; |
03798a93 | 970 | |
992e8cc0 | 971 | file_stream->parent.real_timestamp = packet_index->ts_real.timestamp_begin; |
8c572eba MD |
972 | |
973 | /* Lookup context/packet size in index */ | |
e69dd258 JD |
974 | if (packet_index->data_offset == -1) { |
975 | ret = find_data_offset(pos, file_stream, packet_index); | |
976 | if (ret < 0) { | |
977 | return; | |
978 | } | |
979 | } | |
20d0dcf9 MD |
980 | pos->content_size = packet_index->content_size; |
981 | pos->packet_size = packet_index->packet_size; | |
e69dd258 | 982 | pos->mmap_offset = packet_index->offset; |
500634be JD |
983 | pos->data_offset = packet_index->data_offset; |
984 | if (pos->data_offset < packet_index->content_size) { | |
75cc2c35 | 985 | pos->offset = 0; /* will read headers */ |
500634be | 986 | } else if (pos->data_offset == packet_index->content_size) { |
5f643ed7 | 987 | /* empty packet */ |
20d0dcf9 | 988 | pos->offset = packet_index->data_offset; |
3abe83c7 | 989 | whence = SEEK_CUR; |
5f643ed7 | 990 | goto read_next_packet; |
7eda6fc7 | 991 | } else { |
2b9a764d MD |
992 | pos->offset = EOF; |
993 | return; | |
994 | } | |
8c572eba | 995 | } |
0f980a35 | 996 | /* map new base. Need mapping length from header. */ |
aee35fcc MD |
997 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, |
998 | pos->flags, pos->fd, pos->mmap_offset); | |
999 | if (pos->base_mma == MAP_FAILED) { | |
3394d22e | 1000 | fprintf(stderr, "[error] mmap error %s.\n", |
847bf71a MD |
1001 | strerror(errno)); |
1002 | assert(0); | |
1003 | } | |
75cc2c35 MD |
1004 | |
1005 | /* update trace_packet_header and stream_packet_context */ | |
fcf10417 JG |
1006 | if (!(pos->prot & PROT_WRITE) && |
1007 | file_stream->parent.trace_packet_header) { | |
75cc2c35 | 1008 | /* Read packet header */ |
2d0bea29 | 1009 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); |
75cc2c35 MD |
1010 | assert(!ret); |
1011 | } | |
fcf10417 JG |
1012 | if (!(pos->prot & PROT_WRITE) && |
1013 | file_stream->parent.stream_packet_context) { | |
75cc2c35 | 1014 | /* Read packet context */ |
2d0bea29 | 1015 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); |
75cc2c35 MD |
1016 | assert(!ret); |
1017 | } | |
0f980a35 MD |
1018 | } |
1019 | ||
b4c19c1e MD |
1020 | static |
1021 | int packet_metadata(struct ctf_trace *td, FILE *fp) | |
1022 | { | |
1023 | uint32_t magic; | |
1024 | size_t len; | |
1025 | int ret = 0; | |
1026 | ||
1027 | len = fread(&magic, sizeof(magic), 1, fp); | |
a0fe7d97 | 1028 | if (len != 1) { |
b4c19c1e MD |
1029 | goto end; |
1030 | } | |
1031 | if (magic == TSDL_MAGIC) { | |
1032 | ret = 1; | |
1033 | td->byte_order = BYTE_ORDER; | |
0d336fdf | 1034 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
1035 | } else if (magic == GUINT32_SWAP_LE_BE(TSDL_MAGIC)) { |
1036 | ret = 1; | |
1037 | td->byte_order = (BYTE_ORDER == BIG_ENDIAN) ? | |
1038 | LITTLE_ENDIAN : BIG_ENDIAN; | |
0d336fdf | 1039 | CTF_TRACE_SET_FIELD(td, byte_order); |
b4c19c1e MD |
1040 | } |
1041 | end: | |
1042 | rewind(fp); | |
1043 | return ret; | |
1044 | } | |
1045 | ||
5c262147 MD |
1046 | /* |
1047 | * Returns 0 on success, -1 on error. | |
1048 | */ | |
1049 | static | |
1050 | int check_version(unsigned int major, unsigned int minor) | |
1051 | { | |
1052 | switch (major) { | |
1053 | case 1: | |
1054 | switch (minor) { | |
1055 | case 8: | |
1056 | return 0; | |
1057 | default: | |
1058 | goto warning; | |
1059 | } | |
1060 | default: | |
1061 | goto warning; | |
1062 | ||
1063 | } | |
1064 | ||
1065 | /* eventually return an error instead of warning */ | |
1066 | warning: | |
3394d22e | 1067 | fprintf(stderr, "[warning] Unsupported CTF specification version %u.%u. Trying anyway.\n", |
5c262147 MD |
1068 | major, minor); |
1069 | return 0; | |
1070 | } | |
1071 | ||
b4c19c1e | 1072 | static |
0c880b0a | 1073 | int ctf_trace_metadata_packet_read(struct ctf_trace *td, FILE *in, |
b4c19c1e MD |
1074 | FILE *out) |
1075 | { | |
1076 | struct metadata_packet_header header; | |
a0fe7d97 | 1077 | size_t readlen, writelen, toread; |
f8254867 | 1078 | char buf[4096 + 1]; /* + 1 for debug-mode \0 */ |
b4c19c1e MD |
1079 | int ret = 0; |
1080 | ||
a91a962e | 1081 | readlen = fread(&header, header_sizeof(header), 1, in); |
a0fe7d97 | 1082 | if (readlen < 1) |
b4c19c1e MD |
1083 | return -EINVAL; |
1084 | ||
1085 | if (td->byte_order != BYTE_ORDER) { | |
1086 | header.magic = GUINT32_SWAP_LE_BE(header.magic); | |
1087 | header.checksum = GUINT32_SWAP_LE_BE(header.checksum); | |
1088 | header.content_size = GUINT32_SWAP_LE_BE(header.content_size); | |
1089 | header.packet_size = GUINT32_SWAP_LE_BE(header.packet_size); | |
1090 | } | |
1091 | if (header.checksum) | |
3394d22e | 1092 | fprintf(stderr, "[warning] checksum verification not supported yet.\n"); |
b4c19c1e | 1093 | if (header.compression_scheme) { |
3394d22e | 1094 | fprintf(stderr, "[error] compression (%u) not supported yet.\n", |
b4c19c1e MD |
1095 | header.compression_scheme); |
1096 | return -EINVAL; | |
1097 | } | |
1098 | if (header.encryption_scheme) { | |
3394d22e | 1099 | fprintf(stderr, "[error] encryption (%u) not supported yet.\n", |
b4c19c1e MD |
1100 | header.encryption_scheme); |
1101 | return -EINVAL; | |
1102 | } | |
1103 | if (header.checksum_scheme) { | |
3394d22e | 1104 | fprintf(stderr, "[error] checksum (%u) not supported yet.\n", |
b4c19c1e MD |
1105 | header.checksum_scheme); |
1106 | return -EINVAL; | |
1107 | } | |
5c262147 MD |
1108 | if (check_version(header.major, header.minor) < 0) |
1109 | return -EINVAL; | |
b4c19c1e MD |
1110 | if (!CTF_TRACE_FIELD_IS_SET(td, uuid)) { |
1111 | memcpy(td->uuid, header.uuid, sizeof(header.uuid)); | |
1112 | CTF_TRACE_SET_FIELD(td, uuid); | |
1113 | } else { | |
72a3bc16 | 1114 | if (bt_uuid_compare(header.uuid, td->uuid)) |
b4c19c1e MD |
1115 | return -EINVAL; |
1116 | } | |
1117 | ||
b1ccd079 MD |
1118 | if ((header.content_size / CHAR_BIT) < header_sizeof(header)) |
1119 | return -EINVAL; | |
1120 | ||
255b2138 | 1121 | toread = (header.content_size / CHAR_BIT) - header_sizeof(header); |
a0fe7d97 MD |
1122 | |
1123 | for (;;) { | |
f8254867 | 1124 | readlen = fread(buf, sizeof(char), min(sizeof(buf) - 1, toread), in); |
b4c19c1e MD |
1125 | if (ferror(in)) { |
1126 | ret = -EINVAL; | |
1127 | break; | |
1128 | } | |
4152822b | 1129 | if (babeltrace_debug) { |
f8254867 | 1130 | buf[readlen] = '\0'; |
3394d22e | 1131 | fprintf(stderr, "[debug] metadata packet read: %s\n", |
4152822b MD |
1132 | buf); |
1133 | } | |
1134 | ||
b4c19c1e MD |
1135 | writelen = fwrite(buf, sizeof(char), readlen, out); |
1136 | if (writelen < readlen) { | |
1137 | ret = -EIO; | |
1138 | break; | |
1139 | } | |
1140 | if (ferror(out)) { | |
1141 | ret = -EINVAL; | |
1142 | break; | |
1143 | } | |
a0fe7d97 MD |
1144 | toread -= readlen; |
1145 | if (!toread) { | |
7f4b5c4d | 1146 | ret = 0; /* continue reading next packet */ |
ddbc52af | 1147 | goto read_padding; |
a0fe7d97 | 1148 | } |
b4c19c1e MD |
1149 | } |
1150 | return ret; | |
ddbc52af MD |
1151 | |
1152 | read_padding: | |
1153 | toread = (header.packet_size - header.content_size) / CHAR_BIT; | |
1154 | ret = fseek(in, toread, SEEK_CUR); | |
1155 | if (ret < 0) { | |
3394d22e | 1156 | fprintf(stderr, "[warning] Missing padding at end of file\n"); |
ddbc52af MD |
1157 | ret = 0; |
1158 | } | |
1159 | return ret; | |
b4c19c1e MD |
1160 | } |
1161 | ||
1162 | static | |
0c880b0a | 1163 | int ctf_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp, |
b4c19c1e MD |
1164 | char **buf) |
1165 | { | |
1166 | FILE *in, *out; | |
abc40d24 | 1167 | size_t size, buflen; |
b4c19c1e MD |
1168 | int ret; |
1169 | ||
1170 | in = *fp; | |
c4f5487e MD |
1171 | /* |
1172 | * Using strlen on *buf instead of size of open_memstream | |
1173 | * because its size includes garbage at the end (after final | |
1174 | * \0). This is the allocated size, not the actual string size. | |
1175 | */ | |
f8370579 | 1176 | out = babeltrace_open_memstream(buf, &size); |
a569a564 MD |
1177 | if (out == NULL) { |
1178 | perror("Metadata open_memstream"); | |
b4c19c1e | 1179 | return -errno; |
a569a564 | 1180 | } |
b4c19c1e | 1181 | for (;;) { |
0c880b0a | 1182 | ret = ctf_trace_metadata_packet_read(td, in, out); |
7f4b5c4d | 1183 | if (ret) { |
b4c19c1e | 1184 | break; |
7f4b5c4d MD |
1185 | } |
1186 | if (feof(in)) { | |
1187 | ret = 0; | |
b4c19c1e MD |
1188 | break; |
1189 | } | |
1190 | } | |
f8370579 MD |
1191 | /* close to flush the buffer */ |
1192 | ret = babeltrace_close_memstream(buf, &size, out); | |
1193 | if (ret < 0) { | |
f824ae04 MD |
1194 | int closeret; |
1195 | ||
f8370579 | 1196 | perror("babeltrace_flush_memstream"); |
f824ae04 MD |
1197 | ret = -errno; |
1198 | closeret = fclose(in); | |
1199 | if (closeret) { | |
1200 | perror("Error in fclose"); | |
1201 | } | |
1202 | return ret; | |
1203 | } | |
1204 | ret = fclose(in); | |
1205 | if (ret) { | |
1206 | perror("Error in fclose"); | |
f8370579 | 1207 | } |
b4c19c1e | 1208 | /* open for reading */ |
abc40d24 MD |
1209 | buflen = strlen(*buf); |
1210 | if (!buflen) { | |
1211 | *fp = NULL; | |
493330cb | 1212 | return -ENOENT; |
abc40d24 MD |
1213 | } |
1214 | *fp = babeltrace_fmemopen(*buf, buflen, "rb"); | |
a569a564 MD |
1215 | if (!*fp) { |
1216 | perror("Metadata fmemopen"); | |
1217 | return -errno; | |
1218 | } | |
b4c19c1e MD |
1219 | return 0; |
1220 | } | |
1221 | ||
65102a8c | 1222 | static |
0c880b0a MD |
1223 | int ctf_trace_metadata_read(struct ctf_trace *td, FILE *metadata_fp, |
1224 | struct ctf_scanner *scanner, int append) | |
65102a8c | 1225 | { |
2d0bea29 | 1226 | struct ctf_file_stream *metadata_stream; |
65102a8c | 1227 | FILE *fp; |
b4c19c1e | 1228 | char *buf = NULL; |
f824ae04 | 1229 | int ret = 0, closeret; |
65102a8c | 1230 | |
2d0bea29 | 1231 | metadata_stream = g_new0(struct ctf_file_stream, 1); |
3a25e036 | 1232 | metadata_stream->pos.last_offset = LAST_OFFSET_POISON; |
b086c01a | 1233 | |
ae23d232 JD |
1234 | if (metadata_fp) { |
1235 | fp = metadata_fp; | |
bcbfb8bf | 1236 | metadata_stream->pos.fd = -1; |
ae23d232 JD |
1237 | } else { |
1238 | td->metadata = &metadata_stream->parent; | |
1239 | metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY); | |
1240 | if (metadata_stream->pos.fd < 0) { | |
3394d22e | 1241 | fprintf(stderr, "Unable to open metadata.\n"); |
f824ae04 MD |
1242 | ret = -1; |
1243 | goto end_free; | |
ae23d232 | 1244 | } |
65102a8c | 1245 | |
ae23d232 JD |
1246 | fp = fdopen(metadata_stream->pos.fd, "r"); |
1247 | if (!fp) { | |
3394d22e | 1248 | fprintf(stderr, "[error] Unable to open metadata stream.\n"); |
a569a564 | 1249 | perror("Metadata stream open"); |
ae23d232 JD |
1250 | ret = -errno; |
1251 | goto end_stream; | |
1252 | } | |
f824ae04 MD |
1253 | /* fd now belongs to fp */ |
1254 | metadata_stream->pos.fd = -1; | |
ae23d232 | 1255 | } |
65102a8c MD |
1256 | if (babeltrace_debug) |
1257 | yydebug = 1; | |
1258 | ||
b4c19c1e | 1259 | if (packet_metadata(td, fp)) { |
0c880b0a | 1260 | ret = ctf_trace_metadata_stream_read(td, &fp, &buf); |
abc40d24 | 1261 | if (ret) { |
6514b4af | 1262 | goto end; |
abc40d24 | 1263 | } |
7237592a MD |
1264 | td->metadata_string = buf; |
1265 | td->metadata_packetized = 1; | |
da75b0f7 | 1266 | } else { |
0c880b0a MD |
1267 | if (!append) { |
1268 | unsigned int major, minor; | |
1269 | ssize_t nr_items; | |
1270 | ||
1271 | td->byte_order = BYTE_ORDER; | |
1272 | ||
1273 | /* Check text-only metadata header and version */ | |
1274 | nr_items = fscanf(fp, "/* CTF %10u.%10u", &major, &minor); | |
1275 | if (nr_items < 2) | |
1276 | fprintf(stderr, "[warning] Ill-shapen or missing \"/* CTF x.y\" header for text-only metadata.\n"); | |
1277 | if (check_version(major, minor) < 0) { | |
1278 | ret = -EINVAL; | |
1279 | goto end; | |
1280 | } | |
1281 | rewind(fp); | |
5c262147 | 1282 | } |
b4c19c1e MD |
1283 | } |
1284 | ||
cb2f43ee | 1285 | ret = ctf_scanner_append_ast(scanner, fp); |
65102a8c | 1286 | if (ret) { |
3394d22e | 1287 | fprintf(stderr, "[error] Error creating AST\n"); |
65102a8c MD |
1288 | goto end; |
1289 | } | |
1290 | ||
1291 | if (babeltrace_debug) { | |
3394d22e | 1292 | ret = ctf_visitor_print_xml(stderr, 0, &scanner->ast->root); |
65102a8c | 1293 | if (ret) { |
3394d22e | 1294 | fprintf(stderr, "[error] Error visiting AST for XML output\n"); |
65102a8c MD |
1295 | goto end; |
1296 | } | |
1297 | } | |
1298 | ||
3394d22e | 1299 | ret = ctf_visitor_semantic_check(stderr, 0, &scanner->ast->root); |
65102a8c | 1300 | if (ret) { |
3394d22e | 1301 | fprintf(stderr, "[error] Error in CTF semantic validation %d\n", ret); |
65102a8c MD |
1302 | goto end; |
1303 | } | |
3394d22e | 1304 | ret = ctf_visitor_construct_metadata(stderr, 0, &scanner->ast->root, |
ac5c6ca0 | 1305 | td, td->byte_order); |
65102a8c | 1306 | if (ret) { |
3394d22e | 1307 | fprintf(stderr, "[error] Error in CTF metadata constructor %d\n", ret); |
65102a8c MD |
1308 | goto end; |
1309 | } | |
1310 | end: | |
f824ae04 MD |
1311 | if (fp) { |
1312 | closeret = fclose(fp); | |
1313 | if (closeret) { | |
1314 | perror("Error on fclose"); | |
1315 | } | |
1316 | } | |
65102a8c | 1317 | end_stream: |
f824ae04 MD |
1318 | if (metadata_stream->pos.fd >= 0) { |
1319 | closeret = close(metadata_stream->pos.fd); | |
1320 | if (closeret) { | |
1321 | perror("Error on metadata stream fd close"); | |
1322 | } | |
1323 | } | |
1324 | end_free: | |
2d0bea29 MD |
1325 | if (ret) |
1326 | g_free(metadata_stream); | |
0f980a35 MD |
1327 | return ret; |
1328 | } | |
1329 | ||
e28d4618 | 1330 | static |
c716f83b | 1331 | struct ctf_event_definition *create_event_definitions(struct ctf_trace *td, |
9e88d150 | 1332 | struct ctf_stream_definition *stream, |
4716614a | 1333 | struct ctf_event_declaration *event) |
e28d4618 | 1334 | { |
c716f83b | 1335 | struct ctf_event_definition *stream_event = g_new0(struct ctf_event_definition, 1); |
e28d4618 MD |
1336 | |
1337 | if (event->context_decl) { | |
0d69b916 | 1338 | struct bt_definition *definition = |
e28d4618 MD |
1339 | event->context_decl->p.definition_new(&event->context_decl->p, |
1340 | stream->parent_def_scope, 0, 0, "event.context"); | |
1341 | if (!definition) { | |
1342 | goto error; | |
1343 | } | |
42dc00b7 | 1344 | stream_event->event_context = container_of(definition, |
e28d4618 | 1345 | struct definition_struct, p); |
42dc00b7 | 1346 | stream->parent_def_scope = stream_event->event_context->p.scope; |
e28d4618 MD |
1347 | } |
1348 | if (event->fields_decl) { | |
0d69b916 | 1349 | struct bt_definition *definition = |
e28d4618 MD |
1350 | event->fields_decl->p.definition_new(&event->fields_decl->p, |
1351 | stream->parent_def_scope, 0, 0, "event.fields"); | |
1352 | if (!definition) { | |
1353 | goto error; | |
1354 | } | |
42dc00b7 | 1355 | stream_event->event_fields = container_of(definition, |
e28d4618 | 1356 | struct definition_struct, p); |
42dc00b7 | 1357 | stream->parent_def_scope = stream_event->event_fields->p.scope; |
e28d4618 | 1358 | } |
d3ded99d | 1359 | stream_event->stream = stream; |
42dc00b7 | 1360 | return stream_event; |
e28d4618 MD |
1361 | |
1362 | error: | |
42dc00b7 | 1363 | if (stream_event->event_fields) |
13fad8b6 | 1364 | bt_definition_unref(&stream_event->event_fields->p); |
42dc00b7 | 1365 | if (stream_event->event_context) |
13fad8b6 | 1366 | bt_definition_unref(&stream_event->event_context->p); |
888ec52a MD |
1367 | fprintf(stderr, "[error] Unable to create event definition for event \"%s\".\n", |
1368 | g_quark_to_string(event->name)); | |
e28d4618 MD |
1369 | return NULL; |
1370 | } | |
1371 | ||
0c880b0a MD |
1372 | static |
1373 | int copy_event_declarations_stream_class_to_stream(struct ctf_trace *td, | |
1374 | struct ctf_stream_declaration *stream_class, | |
1375 | struct ctf_stream_definition *stream) | |
1376 | { | |
1377 | size_t def_size, class_size, i; | |
1378 | int ret = 0; | |
1379 | ||
1380 | def_size = stream->events_by_id->len; | |
1381 | class_size = stream_class->events_by_id->len; | |
1382 | ||
1383 | g_ptr_array_set_size(stream->events_by_id, class_size); | |
1384 | for (i = def_size; i < class_size; i++) { | |
1385 | struct ctf_event_declaration *event = | |
1386 | g_ptr_array_index(stream_class->events_by_id, i); | |
1387 | struct ctf_event_definition *stream_event; | |
1388 | ||
1389 | if (!event) | |
1390 | continue; | |
1391 | stream_event = create_event_definitions(td, stream, event); | |
1392 | if (!stream_event) { | |
1393 | ret = -EINVAL; | |
1394 | goto error; | |
1395 | } | |
1396 | g_ptr_array_index(stream->events_by_id, i) = stream_event; | |
1397 | } | |
1398 | error: | |
1399 | return ret; | |
1400 | } | |
1401 | ||
e28d4618 | 1402 | static |
9e88d150 | 1403 | int create_stream_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream) |
e28d4618 | 1404 | { |
f380e105 | 1405 | struct ctf_stream_declaration *stream_class; |
e28d4618 MD |
1406 | int ret; |
1407 | int i; | |
1408 | ||
1409 | if (stream->stream_definitions_created) | |
1410 | return 0; | |
1411 | ||
1412 | stream_class = stream->stream_class; | |
1413 | ||
1414 | if (stream_class->packet_context_decl) { | |
0d69b916 | 1415 | struct bt_definition *definition = |
e28d4618 MD |
1416 | stream_class->packet_context_decl->p.definition_new(&stream_class->packet_context_decl->p, |
1417 | stream->parent_def_scope, 0, 0, "stream.packet.context"); | |
1418 | if (!definition) { | |
1419 | ret = -EINVAL; | |
1420 | goto error; | |
1421 | } | |
1422 | stream->stream_packet_context = container_of(definition, | |
1423 | struct definition_struct, p); | |
1424 | stream->parent_def_scope = stream->stream_packet_context->p.scope; | |
1425 | } | |
1426 | if (stream_class->event_header_decl) { | |
0d69b916 | 1427 | struct bt_definition *definition = |
e28d4618 MD |
1428 | stream_class->event_header_decl->p.definition_new(&stream_class->event_header_decl->p, |
1429 | stream->parent_def_scope, 0, 0, "stream.event.header"); | |
1430 | if (!definition) { | |
1431 | ret = -EINVAL; | |
1432 | goto error; | |
1433 | } | |
1434 | stream->stream_event_header = | |
1435 | container_of(definition, struct definition_struct, p); | |
1436 | stream->parent_def_scope = stream->stream_event_header->p.scope; | |
1437 | } | |
1438 | if (stream_class->event_context_decl) { | |
0d69b916 | 1439 | struct bt_definition *definition = |
e28d4618 MD |
1440 | stream_class->event_context_decl->p.definition_new(&stream_class->event_context_decl->p, |
1441 | stream->parent_def_scope, 0, 0, "stream.event.context"); | |
1442 | if (!definition) { | |
1443 | ret = -EINVAL; | |
1444 | goto error; | |
1445 | } | |
1446 | stream->stream_event_context = | |
1447 | container_of(definition, struct definition_struct, p); | |
1448 | stream->parent_def_scope = stream->stream_event_context->p.scope; | |
1449 | } | |
1450 | stream->events_by_id = g_ptr_array_new(); | |
0c880b0a MD |
1451 | ret = copy_event_declarations_stream_class_to_stream(td, |
1452 | stream_class, stream); | |
1453 | if (ret) | |
1454 | goto error_event; | |
e28d4618 MD |
1455 | return 0; |
1456 | ||
1457 | error_event: | |
1458 | for (i = 0; i < stream->events_by_id->len; i++) { | |
c716f83b | 1459 | struct ctf_event_definition *stream_event = g_ptr_array_index(stream->events_by_id, i); |
42dc00b7 MD |
1460 | if (stream_event) |
1461 | g_free(stream_event); | |
e28d4618 MD |
1462 | } |
1463 | g_ptr_array_free(stream->events_by_id, TRUE); | |
1464 | error: | |
1465 | if (stream->stream_event_context) | |
13fad8b6 | 1466 | bt_definition_unref(&stream->stream_event_context->p); |
e28d4618 | 1467 | if (stream->stream_event_header) |
13fad8b6 | 1468 | bt_definition_unref(&stream->stream_event_header->p); |
e28d4618 | 1469 | if (stream->stream_packet_context) |
13fad8b6 | 1470 | bt_definition_unref(&stream->stream_packet_context->p); |
888ec52a MD |
1471 | fprintf(stderr, "[error] Unable to create stream (%" PRIu64 ") definitions: %s\n", |
1472 | stream_class->stream_id, strerror(-ret)); | |
e28d4618 MD |
1473 | return ret; |
1474 | } | |
1475 | ||
5bfcad93 MD |
1476 | static |
1477 | int stream_assign_class(struct ctf_trace *td, | |
1478 | struct ctf_file_stream *file_stream, | |
1479 | uint64_t stream_id) | |
1480 | { | |
1481 | struct ctf_stream_declaration *stream; | |
1482 | int ret; | |
1483 | ||
1484 | file_stream->parent.stream_id = stream_id; | |
1485 | if (stream_id >= td->streams->len) { | |
1486 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); | |
1487 | return -EINVAL; | |
1488 | } | |
1489 | stream = g_ptr_array_index(td->streams, stream_id); | |
1490 | if (!stream) { | |
1491 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id); | |
1492 | return -EINVAL; | |
1493 | } | |
1494 | file_stream->parent.stream_class = stream; | |
1495 | ret = create_stream_definitions(td, &file_stream->parent); | |
1496 | if (ret) | |
1497 | return ret; | |
1498 | return 0; | |
1499 | } | |
1500 | ||
0f980a35 | 1501 | static |
ec323464 MD |
1502 | int create_stream_one_packet_index(struct ctf_stream_pos *pos, |
1503 | struct ctf_trace *td, | |
1504 | struct ctf_file_stream *file_stream, | |
1505 | size_t filesize) | |
0f980a35 | 1506 | { |
ec323464 | 1507 | struct packet_index packet_index; |
ec323464 | 1508 | uint64_t stream_id = 0; |
653906a4 | 1509 | uint64_t packet_map_len = DEFAULT_HEADER_LEN, tmp_map_len; |
ec323464 | 1510 | int first_packet = 0; |
653906a4 | 1511 | int len_index; |
0f980a35 MD |
1512 | int ret; |
1513 | ||
ec323464 MD |
1514 | begin: |
1515 | if (!pos->mmap_offset) { | |
1516 | first_packet = 1; | |
1517 | } | |
8895362d | 1518 | |
ec323464 MD |
1519 | if (filesize - pos->mmap_offset < (packet_map_len >> LOG2_CHAR_BIT)) { |
1520 | packet_map_len = (filesize - pos->mmap_offset) << LOG2_CHAR_BIT; | |
1521 | } | |
0f980a35 | 1522 | |
ec323464 MD |
1523 | if (pos->base_mma) { |
1524 | /* unmap old base */ | |
1525 | ret = munmap_align(pos->base_mma); | |
1526 | if (ret) { | |
1527 | fprintf(stderr, "[error] Unable to unmap old base: %s.\n", | |
1528 | strerror(errno)); | |
1529 | return ret; | |
0f980a35 | 1530 | } |
ec323464 MD |
1531 | pos->base_mma = NULL; |
1532 | } | |
1533 | /* map new base. Need mapping length from header. */ | |
1534 | pos->base_mma = mmap_align(packet_map_len >> LOG2_CHAR_BIT, PROT_READ, | |
1535 | MAP_PRIVATE, pos->fd, pos->mmap_offset); | |
1536 | assert(pos->base_mma != MAP_FAILED); | |
1537 | /* | |
1538 | * Use current mapping size as temporary content and packet | |
1539 | * size. | |
1540 | */ | |
1541 | pos->content_size = packet_map_len; | |
1542 | pos->packet_size = packet_map_len; | |
1543 | pos->offset = 0; /* Position of the packet header */ | |
1544 | ||
1545 | packet_index.offset = pos->mmap_offset; | |
1546 | packet_index.content_size = 0; | |
1547 | packet_index.packet_size = 0; | |
992e8cc0 MD |
1548 | packet_index.ts_real.timestamp_begin = 0; |
1549 | packet_index.ts_real.timestamp_end = 0; | |
1550 | packet_index.ts_cycles.timestamp_begin = 0; | |
1551 | packet_index.ts_cycles.timestamp_end = 0; | |
ec323464 MD |
1552 | packet_index.events_discarded = 0; |
1553 | packet_index.events_discarded_len = 0; | |
1554 | ||
1555 | /* read and check header, set stream id (and check) */ | |
1556 | if (file_stream->parent.trace_packet_header) { | |
1557 | /* Read packet header */ | |
1558 | ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p); | |
1559 | if (ret) { | |
1560 | if (ret == -EFAULT) | |
1561 | goto retry; | |
888ec52a | 1562 | fprintf(stderr, "[error] Unable to read packet header: %s\n", strerror(-ret)); |
ec323464 MD |
1563 | return ret; |
1564 | } | |
1565 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic")); | |
1566 | if (len_index >= 0) { | |
1567 | struct bt_definition *field; | |
1568 | uint64_t magic; | |
1569 | ||
1570 | field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); | |
1571 | magic = bt_get_unsigned_int(field); | |
1572 | if (magic != CTF_MAGIC) { | |
1573 | fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n", | |
1574 | magic, | |
992e8cc0 | 1575 | file_stream->pos.packet_index->len, |
ec323464 MD |
1576 | (ssize_t) pos->mmap_offset); |
1577 | return -EINVAL; | |
0f980a35 | 1578 | } |
ec323464 | 1579 | } |
0f980a35 | 1580 | |
ec323464 MD |
1581 | /* check uuid */ |
1582 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid")); | |
1583 | if (len_index >= 0) { | |
1584 | struct definition_array *defarray; | |
1585 | struct bt_definition *field; | |
1586 | uint64_t i; | |
1587 | uint8_t uuidval[BABELTRACE_UUID_LEN]; | |
0f980a35 | 1588 | |
ec323464 MD |
1589 | field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
1590 | assert(field->declaration->id == CTF_TYPE_ARRAY); | |
1591 | defarray = container_of(field, struct definition_array, p); | |
1592 | assert(bt_array_len(defarray) == BABELTRACE_UUID_LEN); | |
0f980a35 | 1593 | |
ec323464 MD |
1594 | for (i = 0; i < BABELTRACE_UUID_LEN; i++) { |
1595 | struct bt_definition *elem; | |
0f980a35 | 1596 | |
ec323464 MD |
1597 | elem = bt_array_index(defarray, i); |
1598 | uuidval[i] = bt_get_unsigned_int(elem); | |
0f980a35 | 1599 | } |
72a3bc16 | 1600 | ret = bt_uuid_compare(td->uuid, uuidval); |
ec323464 MD |
1601 | if (ret) { |
1602 | fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n"); | |
1603 | return -EINVAL; | |
1604 | } | |
1605 | } | |
0f980a35 | 1606 | |
ec323464 MD |
1607 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id")); |
1608 | if (len_index >= 0) { | |
1609 | struct bt_definition *field; | |
0f980a35 | 1610 | |
ec323464 MD |
1611 | field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index); |
1612 | stream_id = bt_get_unsigned_int(field); | |
0f980a35 | 1613 | } |
ec323464 | 1614 | } |
0f980a35 | 1615 | |
ec323464 MD |
1616 | if (!first_packet && file_stream->parent.stream_id != stream_id) { |
1617 | fprintf(stderr, "[error] Stream ID is changing within a stream: expecting %" PRIu64 ", but packet has %" PRIu64 "\n", | |
1618 | stream_id, | |
1619 | file_stream->parent.stream_id); | |
1620 | return -EINVAL; | |
1621 | } | |
1622 | if (first_packet) { | |
5bfcad93 | 1623 | ret = stream_assign_class(td, file_stream, stream_id); |
ec323464 MD |
1624 | if (ret) |
1625 | return ret; | |
1626 | } | |
dc48ecad | 1627 | |
ec323464 MD |
1628 | if (file_stream->parent.stream_packet_context) { |
1629 | /* Read packet context */ | |
1630 | ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p); | |
1631 | if (ret) { | |
1632 | if (ret == -EFAULT) | |
1633 | goto retry; | |
888ec52a | 1634 | fprintf(stderr, "[error] Unable to read packet context: %s\n", strerror(-ret)); |
ec323464 MD |
1635 | return ret; |
1636 | } | |
95b34f38 MD |
1637 | /* read packet size from header */ |
1638 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size")); | |
ec323464 MD |
1639 | if (len_index >= 0) { |
1640 | struct bt_definition *field; | |
dc48ecad | 1641 | |
ec323464 | 1642 | field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
95b34f38 | 1643 | packet_index.packet_size = bt_get_unsigned_int(field); |
ec323464 MD |
1644 | } else { |
1645 | /* Use file size for packet size */ | |
95b34f38 | 1646 | packet_index.packet_size = filesize * CHAR_BIT; |
ec323464 | 1647 | } |
75cc2c35 | 1648 | |
95b34f38 MD |
1649 | /* read content size from header */ |
1650 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size")); | |
ec323464 MD |
1651 | if (len_index >= 0) { |
1652 | struct bt_definition *field; | |
75cc2c35 | 1653 | |
ec323464 | 1654 | field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
95b34f38 | 1655 | packet_index.content_size = bt_get_unsigned_int(field); |
ec323464 | 1656 | } else { |
95b34f38 MD |
1657 | /* Use packet size if non-zero, else file size */ |
1658 | packet_index.content_size = packet_index.packet_size ? : filesize * CHAR_BIT; | |
ec323464 | 1659 | } |
41e82e00 | 1660 | |
ec323464 MD |
1661 | /* read timestamp begin from header */ |
1662 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin")); | |
1663 | if (len_index >= 0) { | |
1664 | struct bt_definition *field; | |
41e82e00 | 1665 | |
ec323464 | 1666 | field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); |
992e8cc0 | 1667 | packet_index.ts_cycles.timestamp_begin = bt_get_unsigned_int(field); |
4c62e2d8 | 1668 | if (file_stream->parent.stream_class->trace->parent.collection) { |
992e8cc0 | 1669 | packet_index.ts_real.timestamp_begin = |
ec323464 MD |
1670 | ctf_get_real_timestamp( |
1671 | &file_stream->parent, | |
992e8cc0 | 1672 | packet_index.ts_cycles.timestamp_begin); |
41e82e00 | 1673 | } |
0f980a35 | 1674 | } |
546293fa | 1675 | |
ec323464 MD |
1676 | /* read timestamp end from header */ |
1677 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end")); | |
1678 | if (len_index >= 0) { | |
1679 | struct bt_definition *field; | |
1680 | ||
1681 | field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); | |
992e8cc0 | 1682 | packet_index.ts_cycles.timestamp_end = bt_get_unsigned_int(field); |
4c62e2d8 | 1683 | if (file_stream->parent.stream_class->trace->parent.collection) { |
992e8cc0 | 1684 | packet_index.ts_real.timestamp_end = |
ec323464 MD |
1685 | ctf_get_real_timestamp( |
1686 | &file_stream->parent, | |
992e8cc0 | 1687 | packet_index.ts_cycles.timestamp_end); |
ec323464 | 1688 | } |
546293fa MD |
1689 | } |
1690 | ||
ec323464 MD |
1691 | /* read events discarded from header */ |
1692 | len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded")); | |
1693 | if (len_index >= 0) { | |
1694 | struct bt_definition *field; | |
1695 | ||
1696 | field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index); | |
1697 | packet_index.events_discarded = bt_get_unsigned_int(field); | |
1698 | packet_index.events_discarded_len = bt_get_int_len(field); | |
546293fa | 1699 | } |
ec323464 MD |
1700 | } else { |
1701 | /* Use file size for packet size */ | |
2d686891 MD |
1702 | packet_index.packet_size = filesize * CHAR_BIT; |
1703 | /* Use packet size if non-zero, else file size */ | |
1704 | packet_index.content_size = packet_index.packet_size ? : filesize * CHAR_BIT; | |
ec323464 MD |
1705 | } |
1706 | ||
1707 | /* Validate content size and packet size values */ | |
1708 | if (packet_index.content_size > packet_index.packet_size) { | |
1709 | fprintf(stderr, "[error] Content size (%" PRIu64 " bits) is larger than packet size (%" PRIu64 " bits).\n", | |
1710 | packet_index.content_size, packet_index.packet_size); | |
1711 | return -EINVAL; | |
1712 | } | |
1713 | ||
1714 | if (packet_index.packet_size > ((uint64_t) filesize - packet_index.offset) * CHAR_BIT) { | |
1715 | fprintf(stderr, "[error] Packet size (%" PRIu64 " bits) is larger than remaining file size (%" PRIu64 " bits).\n", | |
1716 | packet_index.packet_size, ((uint64_t) filesize - packet_index.offset) * CHAR_BIT); | |
1717 | return -EINVAL; | |
1718 | } | |
546293fa | 1719 | |
a7ac9efd MD |
1720 | if (packet_index.content_size < pos->offset) { |
1721 | fprintf(stderr, "[error] Invalid CTF stream: content size is smaller than packet headers.\n"); | |
1722 | return -EINVAL; | |
1723 | } | |
1724 | ||
2d686891 MD |
1725 | if ((packet_index.packet_size >> LOG2_CHAR_BIT) == 0) { |
1726 | fprintf(stderr, "[error] Invalid CTF stream: packet size needs to be at least one byte\n"); | |
1727 | return -EINVAL; | |
1728 | } | |
1729 | ||
ec323464 MD |
1730 | /* Save position after header and context */ |
1731 | packet_index.data_offset = pos->offset; | |
0f980a35 | 1732 | |
ec323464 | 1733 | /* add index to packet array */ |
992e8cc0 | 1734 | g_array_append_val(file_stream->pos.packet_index, packet_index); |
0f980a35 | 1735 | |
ec323464 MD |
1736 | pos->mmap_offset += packet_index.packet_size >> LOG2_CHAR_BIT; |
1737 | ||
1738 | return 0; | |
1739 | ||
1740 | /* Retry with larger mapping */ | |
1741 | retry: | |
1742 | if (packet_map_len == ((filesize - pos->mmap_offset) << LOG2_CHAR_BIT)) { | |
1743 | /* | |
1744 | * Reached EOF, but still expecting header/context data. | |
1745 | */ | |
1746 | fprintf(stderr, "[error] Reached end of file, but still expecting header or context fields.\n"); | |
1747 | return -EFAULT; | |
1748 | } | |
1749 | /* Double the mapping len, and retry */ | |
1750 | tmp_map_len = packet_map_len << 1; | |
1751 | if (tmp_map_len >> 1 != packet_map_len) { | |
1752 | /* Overflow */ | |
888ec52a | 1753 | fprintf(stderr, "[error] Packet mapping length overflow\n"); |
ec323464 | 1754 | return -EFAULT; |
0f980a35 | 1755 | } |
ec323464 MD |
1756 | packet_map_len = tmp_map_len; |
1757 | goto begin; | |
1758 | } | |
1759 | ||
1760 | static | |
1761 | int create_stream_packet_index(struct ctf_trace *td, | |
1762 | struct ctf_file_stream *file_stream) | |
1763 | { | |
1764 | struct ctf_stream_pos *pos; | |
1765 | struct stat filestats; | |
1766 | int ret; | |
1767 | ||
1768 | pos = &file_stream->pos; | |
0f980a35 | 1769 | |
ec323464 MD |
1770 | ret = fstat(pos->fd, &filestats); |
1771 | if (ret < 0) | |
1772 | return ret; | |
1773 | ||
5bfcad93 MD |
1774 | /* Deal with empty files */ |
1775 | if (!filestats.st_size) { | |
1776 | if (file_stream->parent.trace_packet_header | |
1777 | || file_stream->parent.stream_packet_context) { | |
1778 | /* | |
1779 | * We expect a trace packet header and/or stream packet | |
1780 | * context. Since a trace needs to have at least one | |
1781 | * packet, empty files are therefore not accepted. | |
1782 | */ | |
1783 | fprintf(stderr, "[error] Encountered an empty file, but expecting a trace packet header.\n"); | |
1784 | return -EINVAL; | |
1785 | } else { | |
1786 | /* | |
1787 | * Without trace packet header nor stream packet | |
1788 | * context, a one-packet trace can indeed be empty. This | |
1789 | * is only valid if there is only one stream class: 0. | |
1790 | */ | |
1791 | ret = stream_assign_class(td, file_stream, 0); | |
1792 | if (ret) | |
1793 | return ret; | |
1794 | return 0; | |
1795 | } | |
1796 | } | |
1797 | ||
ec323464 MD |
1798 | for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) { |
1799 | ret = create_stream_one_packet_index(pos, td, file_stream, | |
1800 | filestats.st_size); | |
1801 | if (ret) | |
1802 | return ret; | |
1803 | } | |
0f980a35 MD |
1804 | return 0; |
1805 | } | |
1806 | ||
e28d4618 | 1807 | static |
9e88d150 | 1808 | int create_trace_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream) |
e28d4618 MD |
1809 | { |
1810 | int ret; | |
1811 | ||
1812 | if (td->packet_header_decl) { | |
0d69b916 | 1813 | struct bt_definition *definition = |
e28d4618 MD |
1814 | td->packet_header_decl->p.definition_new(&td->packet_header_decl->p, |
1815 | stream->parent_def_scope, 0, 0, "trace.packet.header"); | |
1816 | if (!definition) { | |
1817 | ret = -EINVAL; | |
1818 | goto error; | |
1819 | } | |
1820 | stream->trace_packet_header = | |
1821 | container_of(definition, struct definition_struct, p); | |
1822 | stream->parent_def_scope = stream->trace_packet_header->p.scope; | |
1823 | } | |
1824 | ||
1825 | return 0; | |
1826 | ||
1827 | error: | |
888ec52a | 1828 | fprintf(stderr, "[error] Unable to create trace definitions: %s\n", strerror(-ret)); |
e28d4618 MD |
1829 | return ret; |
1830 | } | |
1831 | ||
0ace7505 JD |
1832 | static |
1833 | int import_stream_packet_index(struct ctf_trace *td, | |
1834 | struct ctf_file_stream *file_stream) | |
1835 | { | |
0ace7505 | 1836 | struct ctf_stream_pos *pos; |
3ecd366e | 1837 | struct ctf_packet_index *ctf_index = NULL; |
0ace7505 JD |
1838 | struct ctf_packet_index_file_hdr index_hdr; |
1839 | struct packet_index index; | |
e83ce12a | 1840 | uint32_t packet_index_len; |
0ace7505 JD |
1841 | int ret = 0; |
1842 | int first_packet = 1; | |
1843 | size_t len; | |
1844 | ||
1845 | pos = &file_stream->pos; | |
1846 | ||
1847 | len = fread(&index_hdr, sizeof(index_hdr), 1, pos->index_fp); | |
1848 | if (len != 1) { | |
1849 | perror("read index file header"); | |
1850 | goto error; | |
1851 | } | |
1852 | ||
1853 | /* Check the index header */ | |
1854 | if (be32toh(index_hdr.magic) != CTF_INDEX_MAGIC) { | |
1855 | fprintf(stderr, "[error] wrong index magic\n"); | |
1856 | ret = -1; | |
1857 | goto error; | |
1858 | } | |
1859 | if (be32toh(index_hdr.index_major) != CTF_INDEX_MAJOR) { | |
f84c13d9 MJ |
1860 | fprintf(stderr, "[error] Incompatible index file %" PRIu32 |
1861 | ".%" PRIu32 ", supported %d.%d\n", | |
1862 | be32toh(index_hdr.index_major), | |
1863 | be32toh(index_hdr.index_minor), CTF_INDEX_MAJOR, | |
0ace7505 JD |
1864 | CTF_INDEX_MINOR); |
1865 | ret = -1; | |
1866 | goto error; | |
1867 | } | |
e83ce12a JD |
1868 | packet_index_len = be32toh(index_hdr.packet_index_len); |
1869 | if (packet_index_len == 0) { | |
a74d9cb2 MD |
1870 | fprintf(stderr, "[error] Packet index length cannot be 0.\n"); |
1871 | ret = -1; | |
1872 | goto error; | |
1873 | } | |
3ecd366e MD |
1874 | /* |
1875 | * Allocate the index length found in header, not internal | |
1876 | * representation. | |
1877 | */ | |
e83ce12a JD |
1878 | ctf_index = g_malloc0(packet_index_len); |
1879 | while (fread(ctf_index, packet_index_len, 1, | |
ad40ac1a | 1880 | pos->index_fp) == 1) { |
0ace7505 | 1881 | uint64_t stream_id; |
51e0087f | 1882 | struct ctf_stream_declaration *stream = NULL; |
0ace7505 JD |
1883 | |
1884 | memset(&index, 0, sizeof(index)); | |
3ecd366e MD |
1885 | index.offset = be64toh(ctf_index->offset); |
1886 | index.packet_size = be64toh(ctf_index->packet_size); | |
1887 | index.content_size = be64toh(ctf_index->content_size); | |
1888 | index.ts_cycles.timestamp_begin = be64toh(ctf_index->timestamp_begin); | |
1889 | index.ts_cycles.timestamp_end = be64toh(ctf_index->timestamp_end); | |
1890 | index.events_discarded = be64toh(ctf_index->events_discarded); | |
0ace7505 | 1891 | index.events_discarded_len = 64; |
e69dd258 | 1892 | index.data_offset = -1; |
3ecd366e | 1893 | stream_id = be64toh(ctf_index->stream_id); |
0ace7505 JD |
1894 | |
1895 | if (!first_packet) { | |
1896 | /* add index to packet array */ | |
992e8cc0 | 1897 | g_array_append_val(file_stream->pos.packet_index, index); |
0ace7505 JD |
1898 | continue; |
1899 | } | |
1900 | ||
1901 | file_stream->parent.stream_id = stream_id; | |
51e0087f JG |
1902 | if (stream_id < td->streams->len) { |
1903 | stream = g_ptr_array_index(td->streams, stream_id); | |
1904 | } | |
0ace7505 JD |
1905 | if (!stream) { |
1906 | fprintf(stderr, "[error] Stream %" PRIu64 | |
1907 | " is not declared in metadata.\n", | |
1908 | stream_id); | |
1909 | ret = -EINVAL; | |
1910 | goto error; | |
1911 | } | |
1912 | file_stream->parent.stream_class = stream; | |
1913 | ret = create_stream_definitions(td, &file_stream->parent); | |
1914 | if (ret) | |
1915 | goto error; | |
1916 | first_packet = 0; | |
1917 | /* add index to packet array */ | |
992e8cc0 | 1918 | g_array_append_val(file_stream->pos.packet_index, index); |
0ace7505 JD |
1919 | } |
1920 | ||
dae407df JD |
1921 | /* Index containing only the header. */ |
1922 | if (!file_stream->parent.stream_class) { | |
1923 | ret = -1; | |
1924 | goto error; | |
1925 | } | |
1926 | ||
0ace7505 JD |
1927 | ret = 0; |
1928 | ||
1929 | error: | |
3ecd366e | 1930 | g_free(ctf_index); |
0ace7505 JD |
1931 | return ret; |
1932 | } | |
1933 | ||
0f980a35 MD |
1934 | /* |
1935 | * Note: many file streams can inherit from the same stream class | |
1936 | * description (metadata). | |
1937 | */ | |
1938 | static | |
b086c01a | 1939 | int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags, |
1cf393f6 | 1940 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
b086c01a | 1941 | int whence)) |
0f980a35 | 1942 | { |
f824ae04 | 1943 | int ret, fd, closeret; |
0f980a35 | 1944 | struct ctf_file_stream *file_stream; |
ff075710 | 1945 | struct stat statbuf; |
0ace7505 | 1946 | char *index_name; |
0f980a35 | 1947 | |
ff075710 MD |
1948 | fd = openat(td->dirfd, path, flags); |
1949 | if (fd < 0) { | |
a569a564 | 1950 | perror("File stream openat()"); |
ff075710 | 1951 | ret = fd; |
0f980a35 | 1952 | goto error; |
a569a564 | 1953 | } |
ff075710 MD |
1954 | |
1955 | /* Don't try to mmap subdirectories. Skip them, return success. */ | |
1956 | ret = fstat(fd, &statbuf); | |
1957 | if (ret) { | |
1958 | perror("File stream fstat()"); | |
1959 | goto fstat_error; | |
1960 | } | |
1961 | if (S_ISDIR(statbuf.st_mode)) { | |
0ace7505 JD |
1962 | if (strncmp(path, "index", 5) != 0) { |
1963 | fprintf(stderr, "[warning] Skipping directory '%s' " | |
1964 | "found in trace\n", path); | |
1965 | } | |
ff075710 MD |
1966 | ret = 0; |
1967 | goto fd_is_dir_ok; | |
1968 | } | |
f4f0fb70 MD |
1969 | if (!statbuf.st_size) { |
1970 | /** Skip empty files. */ | |
1971 | ret = 0; | |
1972 | goto fd_is_empty_file; | |
1973 | } | |
ff075710 | 1974 | |
0f980a35 | 1975 | file_stream = g_new0(struct ctf_file_stream, 1); |
3a25e036 | 1976 | file_stream->pos.last_offset = LAST_OFFSET_POISON; |
0ace7505 JD |
1977 | file_stream->pos.fd = -1; |
1978 | file_stream->pos.index_fp = NULL; | |
b086c01a | 1979 | |
87148dc7 MD |
1980 | strncpy(file_stream->parent.path, path, PATH_MAX); |
1981 | file_stream->parent.path[PATH_MAX - 1] = '\0'; | |
1982 | ||
06789ffd MD |
1983 | if (packet_seek) { |
1984 | file_stream->pos.packet_seek = packet_seek; | |
b086c01a | 1985 | } else { |
06789ffd | 1986 | fprintf(stderr, "[error] packet_seek function undefined.\n"); |
b086c01a JD |
1987 | ret = -1; |
1988 | goto error_def; | |
1989 | } | |
1990 | ||
ca334c72 | 1991 | ret = ctf_init_pos(&file_stream->pos, &td->parent, fd, flags); |
f824ae04 MD |
1992 | if (ret) |
1993 | goto error_def; | |
2d0bea29 | 1994 | ret = create_trace_definitions(td, &file_stream->parent); |
e28d4618 MD |
1995 | if (ret) |
1996 | goto error_def; | |
25ccc85b | 1997 | /* |
50052405 | 1998 | * For now, only a single clock per trace is supported. |
25ccc85b | 1999 | */ |
7ec78969 | 2000 | file_stream->parent.current_clock = td->parent.single_clock; |
0ace7505 JD |
2001 | |
2002 | /* | |
2003 | * Allocate the index name for this stream and try to open it. | |
2004 | */ | |
2005 | index_name = malloc((strlen(path) + sizeof(INDEX_PATH)) * sizeof(char)); | |
2006 | if (!index_name) { | |
2007 | fprintf(stderr, "[error] Cannot allocate index filename\n"); | |
f4f0fb70 | 2008 | ret = -ENOMEM; |
0ace7505 | 2009 | goto error_def; |
888ec52a | 2010 | } |
0ace7505 JD |
2011 | snprintf(index_name, strlen(path) + sizeof(INDEX_PATH), |
2012 | INDEX_PATH, path); | |
2013 | ||
ff48c2b0 | 2014 | if (bt_faccessat(td->dirfd, td->parent.path, index_name, O_RDONLY, 0) < 0) { |
0ace7505 JD |
2015 | ret = create_stream_packet_index(td, file_stream); |
2016 | if (ret) { | |
2017 | fprintf(stderr, "[error] Stream index creation error.\n"); | |
2018 | goto error_index; | |
2019 | } | |
2020 | } else { | |
2021 | ret = openat(td->dirfd, index_name, flags); | |
2022 | if (ret < 0) { | |
2023 | perror("Index file openat()"); | |
2024 | ret = -1; | |
2025 | goto error_free; | |
2026 | } | |
2027 | file_stream->pos.index_fp = fdopen(ret, "r"); | |
2f0c6a52 MD |
2028 | if (!file_stream->pos.index_fp) { |
2029 | perror("fdopen() error"); | |
2030 | goto error_free; | |
2031 | } | |
0ace7505 JD |
2032 | ret = import_stream_packet_index(td, file_stream); |
2033 | if (ret) { | |
2034 | ret = -1; | |
2035 | goto error_index; | |
2036 | } | |
2037 | ret = fclose(file_stream->pos.index_fp); | |
2038 | if (ret < 0) { | |
2039 | perror("close index"); | |
2040 | goto error_free; | |
2041 | } | |
2042 | } | |
2043 | free(index_name); | |
2044 | ||
0f980a35 | 2045 | /* Add stream file to stream class */ |
2d0bea29 MD |
2046 | g_ptr_array_add(file_stream->parent.stream_class->streams, |
2047 | &file_stream->parent); | |
0f980a35 MD |
2048 | return 0; |
2049 | ||
2050 | error_index: | |
0ace7505 JD |
2051 | if (file_stream->pos.index_fp) { |
2052 | ret = fclose(file_stream->pos.index_fp); | |
2053 | if (ret < 0) { | |
2054 | perror("close index"); | |
2055 | } | |
2056 | } | |
2d0bea29 | 2057 | if (file_stream->parent.trace_packet_header) |
13fad8b6 | 2058 | bt_definition_unref(&file_stream->parent.trace_packet_header->p); |
0ace7505 JD |
2059 | error_free: |
2060 | free(index_name); | |
e28d4618 | 2061 | error_def: |
f824ae04 MD |
2062 | closeret = ctf_fini_pos(&file_stream->pos); |
2063 | if (closeret) { | |
2064 | fprintf(stderr, "Error on ctf_fini_pos\n"); | |
2065 | } | |
0f980a35 | 2066 | g_free(file_stream); |
f4f0fb70 | 2067 | fd_is_empty_file: |
ff075710 MD |
2068 | fd_is_dir_ok: |
2069 | fstat_error: | |
f824ae04 MD |
2070 | closeret = close(fd); |
2071 | if (closeret) { | |
2072 | perror("Error on fd close"); | |
2073 | } | |
0f980a35 | 2074 | error: |
65102a8c MD |
2075 | return ret; |
2076 | } | |
2077 | ||
bbefb8dd | 2078 | static |
5b80ddfb | 2079 | int ctf_open_trace_read(struct ctf_trace *td, |
8c250d87 | 2080 | const char *path, int flags, |
1cf393f6 | 2081 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
ae23d232 | 2082 | int whence), FILE *metadata_fp) |
bbefb8dd | 2083 | { |
6514b4af | 2084 | struct ctf_scanner *scanner; |
f824ae04 | 2085 | int ret, closeret; |
65102a8c MD |
2086 | struct dirent *dirent; |
2087 | struct dirent *diriter; | |
2088 | size_t dirent_len; | |
0ace7505 | 2089 | char *ext; |
bbefb8dd | 2090 | |
46322b33 | 2091 | td->flags = flags; |
bbefb8dd MD |
2092 | |
2093 | /* Open trace directory */ | |
46322b33 MD |
2094 | td->dir = opendir(path); |
2095 | if (!td->dir) { | |
6a6b384c | 2096 | fprintf(stderr, "[error] Unable to open trace directory \"%s\".\n", path); |
bbefb8dd MD |
2097 | ret = -ENOENT; |
2098 | goto error; | |
2099 | } | |
2100 | ||
46322b33 MD |
2101 | td->dirfd = open(path, 0); |
2102 | if (td->dirfd < 0) { | |
6a6b384c | 2103 | fprintf(stderr, "[error] Unable to open trace directory file descriptor for path \"%s\".\n", path); |
a569a564 MD |
2104 | perror("Trace directory open"); |
2105 | ret = -errno; | |
65102a8c MD |
2106 | goto error_dirfd; |
2107 | } | |
caf929fa MD |
2108 | strncpy(td->parent.path, path, sizeof(td->parent.path)); |
2109 | td->parent.path[sizeof(td->parent.path) - 1] = '\0'; | |
0f980a35 | 2110 | |
65102a8c MD |
2111 | /* |
2112 | * Keep the metadata file separate. | |
0c880b0a MD |
2113 | * Keep scanner object local to the open. We don't support |
2114 | * incremental metadata append for on-disk traces. | |
65102a8c | 2115 | */ |
6514b4af MD |
2116 | scanner = ctf_scanner_alloc(); |
2117 | if (!scanner) { | |
2118 | fprintf(stderr, "[error] Error allocating scanner\n"); | |
2119 | ret = -ENOMEM; | |
2120 | goto error_metadata; | |
2121 | } | |
0c880b0a | 2122 | ret = ctf_trace_metadata_read(td, metadata_fp, scanner, 0); |
6514b4af | 2123 | ctf_scanner_free(scanner); |
65102a8c | 2124 | if (ret) { |
251fc08c MD |
2125 | if (ret == -ENOENT) { |
2126 | fprintf(stderr, "[warning] Empty metadata.\n"); | |
2127 | } | |
6a6b384c | 2128 | fprintf(stderr, "[warning] Unable to open trace metadata for path \"%s\".\n", path); |
65102a8c MD |
2129 | goto error_metadata; |
2130 | } | |
bbefb8dd MD |
2131 | |
2132 | /* | |
2133 | * Open each stream: for each file, try to open, check magic | |
2134 | * number, and get the stream ID to add to the right location in | |
2135 | * the stream array. | |
bbefb8dd MD |
2136 | */ |
2137 | ||
65102a8c | 2138 | dirent_len = offsetof(struct dirent, d_name) + |
46322b33 | 2139 | fpathconf(td->dirfd, _PC_NAME_MAX) + 1; |
bbefb8dd | 2140 | |
65102a8c | 2141 | dirent = malloc(dirent_len); |
bbefb8dd | 2142 | |
65102a8c | 2143 | for (;;) { |
46322b33 | 2144 | ret = readdir_r(td->dir, dirent, &diriter); |
65102a8c | 2145 | if (ret) { |
3394d22e | 2146 | fprintf(stderr, "[error] Readdir error.\n"); |
65102a8c | 2147 | goto readdir_error; |
65102a8c MD |
2148 | } |
2149 | if (!diriter) | |
2150 | break; | |
d8ea2d29 MD |
2151 | /* Ignore hidden files, ., .. and metadata. */ |
2152 | if (!strncmp(diriter->d_name, ".", 1) | |
65102a8c MD |
2153 | || !strcmp(diriter->d_name, "..") |
2154 | || !strcmp(diriter->d_name, "metadata")) | |
2155 | continue; | |
0ace7505 JD |
2156 | |
2157 | /* Ignore index files : *.idx */ | |
2158 | ext = strrchr(diriter->d_name, '.'); | |
2159 | if (ext && (!strcmp(ext, ".idx"))) { | |
2160 | continue; | |
2161 | } | |
2162 | ||
06789ffd MD |
2163 | ret = ctf_open_file_stream_read(td, diriter->d_name, |
2164 | flags, packet_seek); | |
dc48ecad | 2165 | if (ret) { |
3394d22e | 2166 | fprintf(stderr, "[error] Open file stream error.\n"); |
dc48ecad MD |
2167 | goto readdir_error; |
2168 | } | |
65102a8c | 2169 | } |
bbefb8dd | 2170 | |
65102a8c | 2171 | free(dirent); |
bbefb8dd | 2172 | return 0; |
65102a8c MD |
2173 | |
2174 | readdir_error: | |
2175 | free(dirent); | |
2176 | error_metadata: | |
f824ae04 MD |
2177 | closeret = close(td->dirfd); |
2178 | if (closeret) { | |
2179 | perror("Error on fd close"); | |
2180 | } | |
65102a8c | 2181 | error_dirfd: |
f824ae04 MD |
2182 | closeret = closedir(td->dir); |
2183 | if (closeret) { | |
2184 | perror("Error on closedir"); | |
2185 | } | |
bbefb8dd MD |
2186 | error: |
2187 | return ret; | |
2188 | } | |
2189 | ||
03798a93 JD |
2190 | /* |
2191 | * ctf_open_trace: Open a CTF trace and index it. | |
2192 | * Note that the user must seek the trace after the open (using the iterator) | |
2193 | * since the index creation read it entirely. | |
2194 | */ | |
e9378815 | 2195 | static |
1b8455b7 | 2196 | struct bt_trace_descriptor *ctf_open_trace(const char *path, int flags, |
1cf393f6 | 2197 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
ae23d232 | 2198 | int whence), FILE *metadata_fp) |
bbefb8dd | 2199 | { |
46322b33 | 2200 | struct ctf_trace *td; |
bbefb8dd MD |
2201 | int ret; |
2202 | ||
2715de36 MD |
2203 | /* |
2204 | * If packet_seek is NULL, we provide our default version. | |
2205 | */ | |
2206 | if (!packet_seek) | |
2207 | packet_seek = ctf_packet_seek; | |
2208 | ||
46322b33 | 2209 | td = g_new0(struct ctf_trace, 1); |
bbefb8dd | 2210 | |
8c572eba | 2211 | switch (flags & O_ACCMODE) { |
bbefb8dd | 2212 | case O_RDONLY: |
b61922b5 | 2213 | if (!path) { |
3394d22e | 2214 | fprintf(stderr, "[error] Path missing for input CTF trace.\n"); |
b61922b5 MD |
2215 | goto error; |
2216 | } | |
06789ffd | 2217 | ret = ctf_open_trace_read(td, path, flags, packet_seek, metadata_fp); |
bbefb8dd MD |
2218 | if (ret) |
2219 | goto error; | |
2220 | break; | |
989c73bc | 2221 | case O_RDWR: |
3394d22e | 2222 | fprintf(stderr, "[error] Opening CTF traces for output is not supported yet.\n"); |
46322b33 | 2223 | goto error; |
bbefb8dd | 2224 | default: |
3394d22e | 2225 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
bbefb8dd MD |
2226 | goto error; |
2227 | } | |
2228 | ||
46322b33 | 2229 | return &td->parent; |
bbefb8dd MD |
2230 | error: |
2231 | g_free(td); | |
2232 | return NULL; | |
2233 | } | |
2234 | ||
2e937fb4 | 2235 | static |
f571dfb1 | 2236 | void ctf_init_mmap_pos(struct ctf_stream_pos *pos, |
c150f912 | 2237 | struct bt_mmap_stream *mmap_info) |
f571dfb1 JD |
2238 | { |
2239 | pos->mmap_offset = 0; | |
2240 | pos->packet_size = 0; | |
2241 | pos->content_size = 0; | |
2242 | pos->content_size_loc = NULL; | |
2243 | pos->fd = mmap_info->fd; | |
aee35fcc | 2244 | pos->base_mma = NULL; |
f571dfb1 JD |
2245 | pos->offset = 0; |
2246 | pos->dummy = false; | |
2247 | pos->cur_index = 0; | |
f571dfb1 JD |
2248 | pos->prot = PROT_READ; |
2249 | pos->flags = MAP_PRIVATE; | |
2250 | pos->parent.rw_table = read_dispatch_table; | |
2251 | pos->parent.event_cb = ctf_read_event; | |
731087d8 | 2252 | pos->priv = mmap_info->priv; |
f1f52630 MD |
2253 | pos->packet_index = g_array_new(FALSE, TRUE, |
2254 | sizeof(struct packet_index)); | |
f571dfb1 JD |
2255 | } |
2256 | ||
2257 | static | |
2258 | int prepare_mmap_stream_definition(struct ctf_trace *td, | |
fb6b45aa JD |
2259 | struct ctf_file_stream *file_stream, |
2260 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, | |
2261 | int whence)) | |
f571dfb1 | 2262 | { |
f380e105 | 2263 | struct ctf_stream_declaration *stream; |
fb6b45aa | 2264 | uint64_t stream_id; |
f571dfb1 JD |
2265 | int ret; |
2266 | ||
fb6b45aa JD |
2267 | /* Ask for the first packet to get the stream_id. */ |
2268 | packet_seek(&file_stream->pos.parent, 0, SEEK_SET); | |
2269 | stream_id = file_stream->parent.stream_id; | |
f571dfb1 | 2270 | if (stream_id >= td->streams->len) { |
3394d22e | 2271 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared " |
f571dfb1 JD |
2272 | "in metadata.\n", stream_id); |
2273 | ret = -EINVAL; | |
2274 | goto end; | |
2275 | } | |
2276 | stream = g_ptr_array_index(td->streams, stream_id); | |
2277 | if (!stream) { | |
3394d22e | 2278 | fprintf(stderr, "[error] Stream %" PRIu64 " is not declared " |
f571dfb1 JD |
2279 | "in metadata.\n", stream_id); |
2280 | ret = -EINVAL; | |
2281 | goto end; | |
2282 | } | |
2283 | file_stream->parent.stream_class = stream; | |
2284 | ret = create_stream_definitions(td, &file_stream->parent); | |
2285 | end: | |
2286 | return ret; | |
2287 | } | |
2288 | ||
2289 | static | |
2290 | int ctf_open_mmap_stream_read(struct ctf_trace *td, | |
c150f912 | 2291 | struct bt_mmap_stream *mmap_info, |
1cf393f6 | 2292 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
f571dfb1 JD |
2293 | int whence)) |
2294 | { | |
2295 | int ret; | |
2296 | struct ctf_file_stream *file_stream; | |
2297 | ||
2298 | file_stream = g_new0(struct ctf_file_stream, 1); | |
fb6b45aa | 2299 | file_stream->parent.stream_id = -1ULL; |
3a25e036 | 2300 | file_stream->pos.last_offset = LAST_OFFSET_POISON; |
f571dfb1 JD |
2301 | ctf_init_mmap_pos(&file_stream->pos, mmap_info); |
2302 | ||
06789ffd | 2303 | file_stream->pos.packet_seek = packet_seek; |
f571dfb1 JD |
2304 | |
2305 | ret = create_trace_definitions(td, &file_stream->parent); | |
2306 | if (ret) { | |
2307 | goto error_def; | |
2308 | } | |
2309 | ||
fb6b45aa | 2310 | ret = prepare_mmap_stream_definition(td, file_stream, packet_seek); |
f571dfb1 JD |
2311 | if (ret) |
2312 | goto error_index; | |
2313 | ||
f7bbd502 | 2314 | /* |
50052405 | 2315 | * For now, only a single clock per trace is supported. |
f7bbd502 | 2316 | */ |
7ec78969 | 2317 | file_stream->parent.current_clock = td->parent.single_clock; |
f7bbd502 | 2318 | |
f571dfb1 JD |
2319 | /* Add stream file to stream class */ |
2320 | g_ptr_array_add(file_stream->parent.stream_class->streams, | |
2321 | &file_stream->parent); | |
2322 | return 0; | |
2323 | ||
2324 | error_index: | |
2325 | if (file_stream->parent.trace_packet_header) | |
13fad8b6 | 2326 | bt_definition_unref(&file_stream->parent.trace_packet_header->p); |
f571dfb1 JD |
2327 | error_def: |
2328 | g_free(file_stream); | |
2329 | return ret; | |
2330 | } | |
2331 | ||
2e937fb4 | 2332 | static |
f571dfb1 | 2333 | int ctf_open_mmap_trace_read(struct ctf_trace *td, |
c150f912 | 2334 | struct bt_mmap_stream_list *mmap_list, |
1cf393f6 | 2335 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
f571dfb1 JD |
2336 | int whence), |
2337 | FILE *metadata_fp) | |
2338 | { | |
2339 | int ret; | |
c150f912 | 2340 | struct bt_mmap_stream *mmap_info; |
f571dfb1 | 2341 | |
0c880b0a MD |
2342 | td->scanner = ctf_scanner_alloc(); |
2343 | if (!td->scanner) { | |
6514b4af MD |
2344 | fprintf(stderr, "[error] Error allocating scanner\n"); |
2345 | ret = -ENOMEM; | |
0c880b0a | 2346 | goto error; |
6514b4af | 2347 | } |
0c880b0a | 2348 | ret = ctf_trace_metadata_read(td, metadata_fp, td->scanner, 0); |
f571dfb1 | 2349 | if (ret) { |
251fc08c MD |
2350 | if (ret == -ENOENT) { |
2351 | fprintf(stderr, "[warning] Empty metadata.\n"); | |
2352 | } | |
f571dfb1 JD |
2353 | goto error; |
2354 | } | |
2355 | ||
2356 | /* | |
2357 | * for each stream, try to open, check magic number, and get the | |
2358 | * stream ID to add to the right location in the stream array. | |
2359 | */ | |
3122e6f0 | 2360 | bt_list_for_each_entry(mmap_info, &mmap_list->head, list) { |
06789ffd | 2361 | ret = ctf_open_mmap_stream_read(td, mmap_info, packet_seek); |
f571dfb1 | 2362 | if (ret) { |
3394d22e | 2363 | fprintf(stderr, "[error] Open file mmap stream error.\n"); |
f571dfb1 JD |
2364 | goto error; |
2365 | } | |
2366 | } | |
f571dfb1 JD |
2367 | return 0; |
2368 | ||
2369 | error: | |
0c880b0a | 2370 | ctf_scanner_free(td->scanner); |
f571dfb1 JD |
2371 | return ret; |
2372 | } | |
2373 | ||
2374 | static | |
1b8455b7 | 2375 | struct bt_trace_descriptor *ctf_open_mmap_trace( |
c150f912 | 2376 | struct bt_mmap_stream_list *mmap_list, |
1cf393f6 | 2377 | void (*packet_seek)(struct bt_stream_pos *pos, size_t index, |
20d0dcf9 | 2378 | int whence), |
f571dfb1 JD |
2379 | FILE *metadata_fp) |
2380 | { | |
2381 | struct ctf_trace *td; | |
2382 | int ret; | |
2383 | ||
2384 | if (!metadata_fp) { | |
2385 | fprintf(stderr, "[error] No metadata file pointer associated, " | |
2386 | "required for mmap parsing\n"); | |
2387 | goto error; | |
2388 | } | |
06789ffd MD |
2389 | if (!packet_seek) { |
2390 | fprintf(stderr, "[error] packet_seek function undefined.\n"); | |
f571dfb1 JD |
2391 | goto error; |
2392 | } | |
2393 | td = g_new0(struct ctf_trace, 1); | |
b5a1fa45 | 2394 | td->dirfd = -1; |
06789ffd | 2395 | ret = ctf_open_mmap_trace_read(td, mmap_list, packet_seek, metadata_fp); |
f571dfb1 JD |
2396 | if (ret) |
2397 | goto error_free; | |
2398 | ||
2399 | return &td->parent; | |
2400 | ||
2401 | error_free: | |
2402 | g_free(td); | |
2403 | error: | |
2404 | return NULL; | |
2405 | } | |
2406 | ||
0c880b0a MD |
2407 | int ctf_append_trace_metadata(struct bt_trace_descriptor *tdp, |
2408 | FILE *metadata_fp) | |
2409 | { | |
2410 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); | |
2411 | int i, j; | |
2412 | int ret; | |
2413 | ||
2414 | if (!td->scanner) | |
2415 | return -EINVAL; | |
2416 | ret = ctf_trace_metadata_read(td, metadata_fp, td->scanner, 1); | |
2417 | if (ret) | |
2418 | return ret; | |
2419 | /* for each stream_class */ | |
2420 | for (i = 0; i < td->streams->len; i++) { | |
2421 | struct ctf_stream_declaration *stream_class; | |
2422 | ||
2423 | stream_class = g_ptr_array_index(td->streams, i); | |
2424 | if (!stream_class) | |
2425 | continue; | |
2426 | /* for each stream */ | |
2427 | for (j = 0; j < stream_class->streams->len; j++) { | |
2428 | struct ctf_stream_definition *stream; | |
2429 | ||
2430 | stream = g_ptr_array_index(stream_class->streams, j); | |
2431 | if (!stream) | |
2432 | continue; | |
2433 | ret = copy_event_declarations_stream_class_to_stream(td, | |
2434 | stream_class, stream); | |
2435 | if (ret) | |
2436 | return ret; | |
2437 | } | |
2438 | } | |
2439 | return 0; | |
2440 | } | |
2441 | ||
03798a93 | 2442 | static |
1b8455b7 | 2443 | int ctf_convert_index_timestamp(struct bt_trace_descriptor *tdp) |
03798a93 JD |
2444 | { |
2445 | int i, j, k; | |
2446 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); | |
2447 | ||
2448 | /* for each stream_class */ | |
2449 | for (i = 0; i < td->streams->len; i++) { | |
2450 | struct ctf_stream_declaration *stream_class; | |
2451 | ||
2452 | stream_class = g_ptr_array_index(td->streams, i); | |
2453 | if (!stream_class) | |
2454 | continue; | |
2455 | /* for each file_stream */ | |
2456 | for (j = 0; j < stream_class->streams->len; j++) { | |
2457 | struct ctf_stream_definition *stream; | |
2458 | struct ctf_stream_pos *stream_pos; | |
2459 | struct ctf_file_stream *cfs; | |
2460 | ||
2461 | stream = g_ptr_array_index(stream_class->streams, j); | |
2462 | if (!stream) | |
2463 | continue; | |
2464 | cfs = container_of(stream, struct ctf_file_stream, | |
2465 | parent); | |
2466 | stream_pos = &cfs->pos; | |
992e8cc0 | 2467 | if (!stream_pos->packet_index) |
afe9cd4a JD |
2468 | continue; |
2469 | ||
992e8cc0 | 2470 | for (k = 0; k < stream_pos->packet_index->len; k++) { |
03798a93 | 2471 | struct packet_index *index; |
03798a93 | 2472 | |
992e8cc0 | 2473 | index = &g_array_index(stream_pos->packet_index, |
03798a93 | 2474 | struct packet_index, k); |
992e8cc0 | 2475 | index->ts_real.timestamp_begin = |
03798a93 | 2476 | ctf_get_real_timestamp(stream, |
992e8cc0 MD |
2477 | index->ts_cycles.timestamp_begin); |
2478 | index->ts_real.timestamp_end = | |
03798a93 | 2479 | ctf_get_real_timestamp(stream, |
992e8cc0 | 2480 | index->ts_cycles.timestamp_end); |
03798a93 JD |
2481 | } |
2482 | } | |
2483 | } | |
2484 | return 0; | |
2485 | } | |
2486 | ||
0f980a35 | 2487 | static |
f824ae04 | 2488 | int ctf_close_file_stream(struct ctf_file_stream *file_stream) |
0f980a35 | 2489 | { |
f824ae04 MD |
2490 | int ret; |
2491 | ||
2492 | ret = ctf_fini_pos(&file_stream->pos); | |
2493 | if (ret) { | |
2494 | fprintf(stderr, "Error on ctf_fini_pos\n"); | |
2495 | return -1; | |
2496 | } | |
500634be JD |
2497 | if (file_stream->pos.fd >= 0) { |
2498 | ret = close(file_stream->pos.fd); | |
2499 | if (ret) { | |
2500 | perror("Error closing file fd"); | |
2501 | return -1; | |
2502 | } | |
f824ae04 MD |
2503 | } |
2504 | return 0; | |
0f980a35 MD |
2505 | } |
2506 | ||
e9378815 | 2507 | static |
1b8455b7 | 2508 | int ctf_close_trace(struct bt_trace_descriptor *tdp) |
bbefb8dd | 2509 | { |
46322b33 | 2510 | struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent); |
08c82b90 | 2511 | int ret; |
0f980a35 | 2512 | |
46322b33 | 2513 | if (td->streams) { |
08c82b90 MD |
2514 | int i; |
2515 | ||
46322b33 | 2516 | for (i = 0; i < td->streams->len; i++) { |
f380e105 | 2517 | struct ctf_stream_declaration *stream; |
0f980a35 | 2518 | int j; |
e9378815 | 2519 | |
46322b33 | 2520 | stream = g_ptr_array_index(td->streams, i); |
e9378815 MD |
2521 | if (!stream) |
2522 | continue; | |
2d0bea29 | 2523 | for (j = 0; j < stream->streams->len; j++) { |
0f980a35 | 2524 | struct ctf_file_stream *file_stream; |
15d4fe3c JD |
2525 | file_stream = container_of(g_ptr_array_index(stream->streams, j), |
2526 | struct ctf_file_stream, parent); | |
f824ae04 MD |
2527 | ret = ctf_close_file_stream(file_stream); |
2528 | if (ret) | |
2529 | return ret; | |
0f980a35 | 2530 | } |
e003ab50 | 2531 | } |
e003ab50 | 2532 | } |
15d4fe3c | 2533 | ctf_destroy_metadata(td); |
0c880b0a | 2534 | ctf_scanner_free(td->scanner); |
500634be JD |
2535 | if (td->dirfd >= 0) { |
2536 | ret = close(td->dirfd); | |
2537 | if (ret) { | |
2538 | perror("Error closing dirfd"); | |
2539 | return ret; | |
2540 | } | |
f824ae04 | 2541 | } |
500634be JD |
2542 | if (td->dir) { |
2543 | ret = closedir(td->dir); | |
2544 | if (ret) { | |
2545 | perror("Error closedir"); | |
2546 | return ret; | |
2547 | } | |
f824ae04 | 2548 | } |
7237592a | 2549 | free(td->metadata_string); |
bbefb8dd | 2550 | g_free(td); |
f824ae04 | 2551 | return 0; |
bbefb8dd MD |
2552 | } |
2553 | ||
98a04903 | 2554 | static |
1b8455b7 | 2555 | void ctf_set_context(struct bt_trace_descriptor *descriptor, |
98a04903 JD |
2556 | struct bt_context *ctx) |
2557 | { | |
2558 | struct ctf_trace *td = container_of(descriptor, struct ctf_trace, | |
2559 | parent); | |
2560 | ||
45807148 | 2561 | td->parent.ctx = ctx; |
98a04903 JD |
2562 | } |
2563 | ||
2564 | static | |
1b8455b7 | 2565 | void ctf_set_handle(struct bt_trace_descriptor *descriptor, |
98a04903 JD |
2566 | struct bt_trace_handle *handle) |
2567 | { | |
2568 | struct ctf_trace *td = container_of(descriptor, struct ctf_trace, | |
2569 | parent); | |
2570 | ||
4d086981 | 2571 | td->parent.handle = handle; |
98a04903 JD |
2572 | } |
2573 | ||
95febab3 | 2574 | static |
7fb21036 | 2575 | void __attribute__((constructor)) ctf_init(void) |
fc93b2bd MD |
2576 | { |
2577 | int ret; | |
2578 | ||
4c8bfb7e | 2579 | ctf_format.name = g_quark_from_static_string("ctf"); |
fc93b2bd MD |
2580 | ret = bt_register_format(&ctf_format); |
2581 | assert(!ret); | |
2582 | } | |
698f0fe4 | 2583 | |
95febab3 MD |
2584 | static |
2585 | void __attribute__((destructor)) ctf_exit(void) | |
2586 | { | |
2587 | bt_unregister_format(&ctf_format); | |
2588 | } |