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