Expose text arrays the same way as regular arrays
[babeltrace.git] / converter / babeltrace.c
CommitLineData
34ac0e6c
MD
1/*
2 * babeltrace.c
3 *
4 * Babeltrace Trace Converter
5 *
64fa3fec
MD
6 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
7 *
8 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
34ac0e6c
MD
9 *
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:
16 *
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.
34ac0e6c 27 */
4c8bfb7e 28
20d24215 29#define _GNU_SOURCE
00f7fbf0 30#include <config.h>
95d36295 31#include <babeltrace/babeltrace.h>
7fb21036 32#include <babeltrace/format.h>
95d36295 33#include <babeltrace/context.h>
7237592a 34#include <babeltrace/context-internal.h>
95d36295 35#include <babeltrace/ctf/types.h>
9843982d 36#include <babeltrace/ctf/events.h>
04ae3991
MD
37/* TODO: fix object model for format-agnostic callbacks */
38#include <babeltrace/ctf/events-internal.h>
9efd5d76 39#include <babeltrace/ctf/iterator.h>
31bdef5c 40#include <babeltrace/ctf-text/types.h>
6204d33c 41#include <babeltrace/iterator.h>
34ac0e6c
MD
42#include <popt.h>
43#include <errno.h>
44#include <stdlib.h>
bbefb8dd
MD
45#include <ctype.h>
46#include <sys/stat.h>
47#include <sys/types.h>
48#include <fcntl.h>
afb48eae 49#include <unistd.h>
70accc14 50#include <inttypes.h>
a99343cf 51#include <ftw.h>
11e1d048 52#include <string.h>
4c8bfb7e 53
a44bc4c9
MD
54#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
55
24d5af5b
MD
56#define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
57
afb48eae 58#define DEFAULT_FILE_ARRAY_SIZE 1
9fe26ec7 59
11e1d048 60static char *opt_input_format, *opt_output_format;
34ac0e6c 61
41075e78
MD
62/*
63 * We are not freeing opt_input_paths ipath elements when exiting from
64 * main() for backward compatibility with libpop 0.13, which does not
65 * allocate copies for arguments returned by poptGetArg(), and for
66 * general compatibility with the documented behavior. This is known to
67 * cause a small memory leak with libpop 0.16.
68 */
4e85cbfd 69static GPtrArray *opt_input_paths;
9fe26ec7 70static char *opt_output_path;
34ac0e6c 71
37b99bdb 72static struct bt_format *fmt_read;
afb48eae 73
11e1d048 74static
bbefb8dd
MD
75void strlower(char *str)
76{
77 while (*str) {
34224260 78 *str = tolower((int) *str);
bbefb8dd
MD
79 str++;
80 }
81}
82
34ac0e6c
MD
83enum {
84 OPT_NONE = 0,
9fe26ec7
MD
85 OPT_OUTPUT_PATH,
86 OPT_INPUT_FORMAT,
87 OPT_OUTPUT_FORMAT,
34ac0e6c 88 OPT_HELP,
7fb21036 89 OPT_LIST,
34ac0e6c
MD
90 OPT_VERBOSE,
91 OPT_DEBUG,
d63ca2cd 92 OPT_NAMES,
359d7456 93 OPT_FIELDS,
8d8ed9af 94 OPT_NO_DELTA,
11ac6674 95 OPT_CLOCK_OFFSET,
65923160 96 OPT_CLOCK_OFFSET_NS,
03798a93 97 OPT_CLOCK_CYCLES,
11ac6674
MD
98 OPT_CLOCK_SECONDS,
99 OPT_CLOCK_DATE,
100 OPT_CLOCK_GMT,
82ace6d6 101 OPT_CLOCK_FORCE_CORRELATE,
34ac0e6c
MD
102};
103
9fe26ec7
MD
104/*
105 * We are _not_ using POPT_ARG_STRING ability to store directly into
106 * variables, because we want to cast the return to non-const, which is
41075e78
MD
107 * not possible without using poptGetOptArg explicitly. This helps us
108 * controlling memory allocation correctly without making assumptions
109 * about undocumented behaviors. poptGetOptArg is documented as
110 * requiring the returned const char * to be freed by the caller.
9fe26ec7 111 */
34ac0e6c
MD
112static struct poptOption long_options[] = {
113 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
c790c052 114 { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL },
9fe26ec7
MD
115 { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
116 { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
34ac0e6c 117 { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
7fb21036 118 { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
34ac0e6c
MD
119 { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
120 { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
cba1661c 121 { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
359d7456 122 { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
8d8ed9af 123 { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
11ac6674 124 { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
65923160 125 { "clock-offset-ns", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
03798a93 126 { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
11ac6674
MD
127 { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
128 { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
129 { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
82ace6d6 130 { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
34ac0e6c
MD
131 { NULL, 0, 0, NULL, 0, NULL, NULL },
132};
133
7fb21036
MD
134static void list_formats(FILE *fp)
135{
136 fprintf(fp, "\n");
137 bt_fprintf_format_list(fp);
138}
139
34ac0e6c 140static void usage(FILE *fp)
4c8bfb7e 141{
4c15b06b 142 fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
4e85cbfd 143 fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n");
34ac0e6c 144 fprintf(fp, "\n");
4e85cbfd
MD
145 fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n");
146 fprintf(fp, " (space-separated)\n");
147 fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n");
34ac0e6c 148 fprintf(fp, "\n");
d2b8ea6b
MD
149 fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
150 fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
34ac0e6c 151 fprintf(fp, "\n");
4d5678b9
MD
152 fprintf(fp, " -h, --help This help message\n");
153 fprintf(fp, " -l, --list List available formats\n");
154 fprintf(fp, " -v, --verbose Verbose mode\n");
cba1661c 155 fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
4d5678b9 156 fprintf(fp, " -d, --debug Debug mode\n");
cba1661c 157 fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
8d8ed9af 158 fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
359d7456 159 fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
82662ad4 160 fprintf(fp, " (payload OR args OR arg)\n");
12c9c3bc
MD
161 fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
162 fprintf(fp, " (default: payload,context)\n");
359d7456 163 fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
32cfb8ad 164 fprintf(fp, " all, trace, trace:hostname, trace:domain,\n");
f133896d 165 fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
c3815874 166 fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n");
03798a93 167 fprintf(fp, " --clock-cycles Timestamp in cycles\n");
11ac6674 168 fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
65923160 169 fprintf(fp, " --clock-offset-ns ns Clock offset in nanoseconds\n");
11ac6674
MD
170 fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
171 fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
172 fprintf(fp, " --clock-date Print clock date\n");
173 fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
82ace6d6
MD
174 fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
175 fprintf(fp, " across traces.\n");
7fb21036 176 list_formats(fp);
34ac0e6c
MD
177 fprintf(fp, "\n");
178}
179
cba1661c
MD
180static int get_names_args(poptContext *pc)
181{
182 char *str, *strlist, *strctx;
9f2c779c 183 int ret = 0;
cba1661c
MD
184
185 opt_payload_field_names = 0;
12c9c3bc 186 opt_context_field_names = 0;
cba1661c
MD
187 strlist = (char *) poptGetOptArg(*pc);
188 if (!strlist) {
189 return -EINVAL;
190 }
191 str = strtok_r(strlist, ",", &strctx);
192 do {
193 if (!strcmp(str, "all"))
194 opt_all_field_names = 1;
195 else if (!strcmp(str, "scope"))
196 opt_scope_field_names = 1;
197 else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
198 opt_context_field_names = 1;
199 else if (!strcmp(str, "header"))
200 opt_header_field_names = 1;
201 else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
202 opt_payload_field_names = 1;
12c9c3bc
MD
203 else if (!strcmp(str, "none")) {
204 opt_all_field_names = 0;
205 opt_scope_field_names = 0;
206 opt_context_field_names = 0;
207 opt_header_field_names = 0;
208 opt_payload_field_names = 0;
209 } else {
359d7456 210 fprintf(stderr, "[error] unknown field name type %s\n", str);
9f2c779c
MD
211 ret = -EINVAL;
212 goto end;
359d7456
MD
213 }
214 } while ((str = strtok_r(NULL, ",", &strctx)));
9f2c779c
MD
215end:
216 free(strlist);
217 return ret;
359d7456
MD
218}
219
220static int get_fields_args(poptContext *pc)
221{
222 char *str, *strlist, *strctx;
9f2c779c 223 int ret = 0;
359d7456 224
359d7456
MD
225 strlist = (char *) poptGetOptArg(*pc);
226 if (!strlist) {
227 return -EINVAL;
228 }
229 str = strtok_r(strlist, ",", &strctx);
230 do {
c3815874 231 opt_trace_default_fields = 0;
359d7456
MD
232 if (!strcmp(str, "all"))
233 opt_all_fields = 1;
82662ad4 234 else if (!strcmp(str, "trace"))
359d7456 235 opt_trace_field = 1;
c3815874
MD
236 else if (!strcmp(str, "trace:hostname"))
237 opt_trace_hostname_field = 1;
8c250d87 238 else if (!strcmp(str, "trace:domain"))
359d7456 239 opt_trace_domain_field = 1;
8c250d87 240 else if (!strcmp(str, "trace:procname"))
359d7456 241 opt_trace_procname_field = 1;
8c250d87 242 else if (!strcmp(str, "trace:vpid"))
359d7456 243 opt_trace_vpid_field = 1;
d86d62f8 244 else if (!strcmp(str, "loglevel"))
359d7456 245 opt_loglevel_field = 1;
f6714e20
MD
246 else if (!strcmp(str, "emf"))
247 opt_emf_field = 1;
f133896d
MD
248 else if (!strcmp(str, "callsite"))
249 opt_callsite_field = 1;
cba1661c 250 else {
359d7456 251 fprintf(stderr, "[error] unknown field type %s\n", str);
9f2c779c
MD
252 ret = -EINVAL;
253 goto end;
cba1661c
MD
254 }
255 } while ((str = strtok_r(NULL, ",", &strctx)));
9f2c779c
MD
256end:
257 free(strlist);
258 return ret;
cba1661c
MD
259}
260
34ac0e6c
MD
261/*
262 * Return 0 if caller should continue, < 0 if caller should return
263 * error, > 0 if caller should exit without reporting error.
264 */
bbefb8dd 265static int parse_options(int argc, char **argv)
34ac0e6c
MD
266{
267 poptContext pc;
268 int opt, ret = 0;
41075e78 269 const char *ipath;
34ac0e6c 270
0f980a35
MD
271 if (argc == 1) {
272 usage(stdout);
273 return 1; /* exit cleanly */
274 }
275
bbefb8dd 276 pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
34ac0e6c
MD
277 poptReadDefaultConfig(pc, 0);
278
cba1661c 279 /* set default */
e505794f 280 opt_context_field_names = 1;
cba1661c
MD
281 opt_payload_field_names = 1;
282
34ac0e6c
MD
283 while ((opt = poptGetNextOpt(pc)) != -1) {
284 switch (opt) {
9fe26ec7
MD
285 case OPT_OUTPUT_PATH:
286 opt_output_path = (char *) poptGetOptArg(pc);
287 if (!opt_output_path) {
288 ret = -EINVAL;
289 goto end;
290 }
291 break;
292 case OPT_INPUT_FORMAT:
293 opt_input_format = (char *) poptGetOptArg(pc);
294 if (!opt_input_format) {
295 ret = -EINVAL;
296 goto end;
297 }
298 break;
299 case OPT_OUTPUT_FORMAT:
300 opt_output_format = (char *) poptGetOptArg(pc);
301 if (!opt_output_format) {
302 ret = -EINVAL;
303 goto end;
304 }
305 break;
34ac0e6c 306 case OPT_HELP:
7fb21036 307 usage(stdout);
34ac0e6c
MD
308 ret = 1; /* exit cleanly */
309 goto end;
7fb21036
MD
310 case OPT_LIST:
311 list_formats(stdout);
312 ret = 1;
313 goto end;
34ac0e6c
MD
314 case OPT_VERBOSE:
315 babeltrace_verbose = 1;
316 break;
cba1661c
MD
317 case OPT_NAMES:
318 if (get_names_args(&pc)) {
319 ret = -EINVAL;
320 goto end;
321 }
322 break;
359d7456
MD
323 case OPT_FIELDS:
324 if (get_fields_args(&pc)) {
325 ret = -EINVAL;
326 goto end;
327 }
328 break;
34ac0e6c
MD
329 case OPT_DEBUG:
330 babeltrace_debug = 1;
331 break;
8d8ed9af 332 case OPT_NO_DELTA:
359d7456 333 opt_delta_field = 0;
8d8ed9af 334 break;
03798a93
JD
335 case OPT_CLOCK_CYCLES:
336 opt_clock_cycles = 1;
11ac6674
MD
337 break;
338 case OPT_CLOCK_OFFSET:
339 {
9f2c779c 340 char *str;
34224260 341 char *endptr;
11ac6674 342
9f2c779c 343 str = (char *) poptGetOptArg(pc);
11ac6674
MD
344 if (!str) {
345 fprintf(stderr, "[error] Missing --clock-offset argument\n");
346 ret = -EINVAL;
347 goto end;
348 }
349 errno = 0;
350 opt_clock_offset = strtoull(str, &endptr, 0);
351 if (*endptr != '\0' || str == endptr || errno != 0) {
352 fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
353 ret = -EINVAL;
9f2c779c 354 free(str);
11ac6674
MD
355 goto end;
356 }
9f2c779c 357 free(str);
11ac6674
MD
358 break;
359 }
360 case OPT_CLOCK_SECONDS:
361 opt_clock_seconds = 1;
362 break;
65923160
IJ
363 case OPT_CLOCK_OFFSET_NS:
364 {
365 char *str;
366 char *endptr;
367
368 str = (char *) poptGetOptArg(pc);
369 if (!str) {
370 fprintf(stderr, "[error] Missing --clock-offset-ns argument\n");
371 ret = -EINVAL;
372 goto end;
373 }
374 errno = 0;
375 opt_clock_offset_ns = strtoull(str, &endptr, 0);
376 if (*endptr != '\0' || str == endptr || errno != 0) {
377 fprintf(stderr, "[error] Incorrect --clock-offset-ns argument: %s\n", str);
378 ret = -EINVAL;
379 free(str);
380 goto end;
381 }
382 free(str);
383 break;
384 }
385
11ac6674
MD
386 case OPT_CLOCK_DATE:
387 opt_clock_date = 1;
388 break;
389 case OPT_CLOCK_GMT:
390 opt_clock_gmt = 1;
391 break;
82ace6d6
MD
392 case OPT_CLOCK_FORCE_CORRELATE:
393 opt_clock_force_correlate = 1;
394 break;
11ac6674 395
34ac0e6c
MD
396 default:
397 ret = -EINVAL;
398 goto end;
399 }
400 }
401
4e85cbfd 402 do {
41075e78 403 ipath = poptGetArg(pc);
4e85cbfd
MD
404 if (ipath)
405 g_ptr_array_add(opt_input_paths, (gpointer) ipath);
406 } while (ipath);
407 if (opt_input_paths->len == 0) {
34ac0e6c
MD
408 ret = -EINVAL;
409 goto end;
410 }
cba1661c 411
34ac0e6c
MD
412end:
413 if (pc) {
414 poptFreeContext(pc);
415 }
416 return ret;
417}
418
a99343cf 419static GPtrArray *traversed_paths = 0;
afb48eae 420
a99343cf
YB
421/*
422 * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
423 * it receives the path of the current entry (file, dir, link..etc) with
424 * a flag to indicate the type of the entry.
425 * if the entry being visited is a directory and contains a metadata file,
426 * then add the path to a global list to be processed later in
427 * add_traces_recursive.
428 */
429static int traverse_trace_dir(const char *fpath, const struct stat *sb,
430 int tflag, struct FTW *ftwbuf)
431{
432 int dirfd, metafd;
433 int closeret;
434
435 if (tflag != FTW_D)
436 return 0;
437
438 dirfd = open(fpath, 0);
439 if (dirfd < 0) {
440 fprintf(stderr, "[error] [Context] Unable to open trace "
441 "directory file descriptor.\n");
442 return 0; /* partial error */
443 }
444 metafd = openat(dirfd, "metadata", O_RDONLY);
445 if (metafd < 0) {
446 closeret = close(dirfd);
447 if (closeret < 0) {
448 perror("close");
449 return -1;
450 }
451 /* No meta data, just return */
452 return 0;
453 } else {
9544a40b
MD
454 int err_close = 0;
455
a99343cf
YB
456 closeret = close(metafd);
457 if (closeret < 0) {
458 perror("close");
9544a40b 459 err_close = 1;
a99343cf
YB
460 }
461 closeret = close(dirfd);
462 if (closeret < 0) {
463 perror("close");
9544a40b
MD
464 err_close = 1;
465 }
466 if (err_close) {
467 return -1;
a99343cf
YB
468 }
469
470 /* Add path to the global list */
471 if (traversed_paths == NULL) {
472 fprintf(stderr, "[error] [Context] Invalid open path array.\n");
473 return -1;
474 }
475 g_ptr_array_add(traversed_paths, g_string_new(fpath));
476 }
477
478 return 0;
479}
d0d82191 480
20d24215
YB
481/*
482 * bt_context_add_traces_recursive: Open a trace recursively
483 *
484 * Find each trace present in the subdirectory starting from the given
613f532b
MD
485 * path, and add them to the context. The packet_seek parameter can be
486 * NULL: this specify to use the default format packet_seek.
20d24215 487 *
b945d4a5 488 * Return: 0 on success, < 0 on failure, > 0 on partial failure.
20d24215 489 * Unable to open toplevel: failure.
b945d4a5
MD
490 * Unable to open some subdirectory or file: warn and continue (partial
491 * failure);
20d24215
YB
492 */
493int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
613f532b 494 const char *format_str,
1cf393f6 495 void (*packet_seek)(struct bt_stream_pos *pos,
613f532b 496 size_t offset, int whence))
20d24215 497{
fd94f11c 498 int ret = 0, trace_ids = 0;
20d24215 499
a99343cf 500 /* Should lock traversed_paths mutex here if used in multithread */
20d24215 501
a99343cf 502 traversed_paths = g_ptr_array_new();
a99343cf
YB
503 ret = nftw(path, traverse_trace_dir, 10, 0);
504
505 /* Process the array if ntfw did not return a fatal error */
506 if (ret >= 0) {
08c82b90
MD
507 int i;
508
a99343cf
YB
509 for (i = 0; i < traversed_paths->len; i++) {
510 GString *trace_path = g_ptr_array_index(traversed_paths,
511 i);
512 int trace_id = bt_context_add_trace(ctx,
513 trace_path->str,
514 format_str,
515 packet_seek,
516 NULL,
517 NULL);
20d24215 518 if (trace_id < 0) {
7f89ddce 519 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
a99343cf 520 "for reading.\n", trace_path->str, path);
ca718275 521 /* Allow to skip erroneous traces. */
b945d4a5 522 ret = 1; /* partial error */
a99343cf 523 } else {
fd94f11c 524 trace_ids++;
20d24215 525 }
a99343cf 526 g_string_free(trace_path, TRUE);
20d24215
YB
527 }
528 }
d0d82191 529
a99343cf
YB
530 g_ptr_array_free(traversed_paths, TRUE);
531 traversed_paths = NULL;
532
533 /* Should unlock traversed paths mutex here if used in multithread */
20d24215 534
27cd3890
MD
535 /*
536 * Return an error if no trace can be opened.
537 */
fd94f11c 538 if (trace_ids == 0) {
27cd3890 539 fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
b945d4a5 540 ret = -ENOENT; /* failure */
27cd3890 541 }
20d24215
YB
542 return ret;
543}
a44bc4c9 544
7237592a
MD
545static
546int trace_pre_handler(struct bt_trace_descriptor *td_write,
547 struct bt_context *ctx)
548{
549 struct ctf_text_stream_pos *sout;
550 struct trace_collection *tc;
551 int ret, i;
552
553 sout = container_of(td_write, struct ctf_text_stream_pos,
554 trace_descriptor);
555
556 if (!sout->parent.pre_trace_cb)
557 return 0;
558
559 tc = ctx->tc;
560 for (i = 0; i < tc->array->len; i++) {
561 struct bt_trace_descriptor *td =
562 g_ptr_array_index(tc->array, i);
563
564 ret = sout->parent.pre_trace_cb(&sout->parent, td);
565 if (ret) {
566 fprintf(stderr, "[error] Writing to trace pre handler failed.\n");
567 goto end;
568 }
569 }
570 ret = 0;
571end:
572 return ret;
573}
574
575static
576int trace_post_handler(struct bt_trace_descriptor *td_write,
577 struct bt_context *ctx)
578{
579 struct ctf_text_stream_pos *sout;
580 struct trace_collection *tc;
581 int ret, i;
582
583 sout = container_of(td_write, struct ctf_text_stream_pos,
584 trace_descriptor);
585
586 if (!sout->parent.post_trace_cb)
587 return 0;
588
589 tc = ctx->tc;
590 for (i = 0; i < tc->array->len; i++) {
591 struct bt_trace_descriptor *td =
592 g_ptr_array_index(tc->array, i);
593
594 ret = sout->parent.post_trace_cb(&sout->parent, td);
595 if (ret) {
596 fprintf(stderr, "[error] Writing to trace post handler failed.\n");
597 goto end;
598 }
599 }
600 ret = 0;
601end:
602 return ret;
603}
604
605static
1b8455b7 606int convert_trace(struct bt_trace_descriptor *td_write,
95d36295
JD
607 struct bt_context *ctx)
608{
e4195791 609 struct bt_ctf_iter *iter;
95d36295 610 struct ctf_text_stream_pos *sout;
e8c92a62 611 struct bt_iter_pos begin_pos;
c50d2a7a 612 struct bt_ctf_event *ctf_event;
95d36295
JD
613 int ret;
614
615 sout = container_of(td_write, struct ctf_text_stream_pos,
616 trace_descriptor);
617
7237592a
MD
618 if (!sout->parent.event_cb)
619 return 0;
620
95d36295 621 begin_pos.type = BT_SEEK_BEGIN;
e4195791 622 iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
95d36295
JD
623 if (!iter) {
624 ret = -1;
625 goto error_iter;
626 }
e4195791 627 while ((ctf_event = bt_ctf_iter_read_event(iter))) {
c50d2a7a 628 ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
95d36295 629 if (ret) {
3394d22e 630 fprintf(stderr, "[error] Writing event failed.\n");
95d36295
JD
631 goto end;
632 }
e4195791 633 ret = bt_iter_next(bt_ctf_get_iter(iter));
95d36295
JD
634 if (ret < 0)
635 goto end;
636 }
637 ret = 0;
638
639end:
e4195791 640 bt_ctf_iter_destroy(iter);
95d36295
JD
641error_iter:
642 return ret;
643}
644
bbefb8dd 645int main(int argc, char **argv)
34ac0e6c 646{
4e85cbfd 647 int ret, partial_error = 0, open_success = 0;
37b99bdb 648 struct bt_format *fmt_write;
1b8455b7 649 struct bt_trace_descriptor *td_write;
95d36295 650 struct bt_context *ctx;
4e85cbfd
MD
651 int i;
652
653 opt_input_paths = g_ptr_array_new();
34ac0e6c
MD
654
655 ret = parse_options(argc, argv);
656 if (ret < 0) {
3394d22e
MD
657 fprintf(stderr, "Error parsing options.\n\n");
658 usage(stderr);
4e85cbfd 659 g_ptr_array_free(opt_input_paths, TRUE);
34ac0e6c
MD
660 exit(EXIT_FAILURE);
661 } else if (ret > 0) {
4e85cbfd 662 g_ptr_array_free(opt_input_paths, TRUE);
34ac0e6c
MD
663 exit(EXIT_SUCCESS);
664 }
665 printf_verbose("Verbose mode active.\n");
666 printf_debug("Debug mode active.\n");
667
9fe26ec7 668 if (opt_input_format)
bbefb8dd 669 strlower(opt_input_format);
9fe26ec7 670 if (opt_output_format)
bbefb8dd
MD
671 strlower(opt_output_format);
672
4e85cbfd
MD
673 printf_verbose("Converting from directory(ies):\n");
674 for (i = 0; i < opt_input_paths->len; i++) {
675 const char *ipath = g_ptr_array_index(opt_input_paths, i);
676 printf_verbose(" %s\n", ipath);
677 }
34ac0e6c 678 printf_verbose("Converting from format: %s\n",
b61922b5 679 opt_input_format ? : "ctf <default>");
c3e4d5dc 680 printf_verbose("Converting to target: %s\n",
478b6389 681 opt_output_path ? : "<stdout>");
34ac0e6c 682 printf_verbose("Converting to format: %s\n",
b61922b5 683 opt_output_format ? : "text <default>");
bbefb8dd 684
11e1d048
MD
685 if (!opt_input_format) {
686 opt_input_format = strdup("ctf");
687 if (!opt_input_format) {
688 partial_error = 1;
689 goto end;
690 }
691 }
692 if (!opt_output_format) {
693 opt_output_format = strdup("text");
694 if (!opt_output_format) {
695 partial_error = 1;
696 goto end;
697 }
698 }
bbefb8dd 699 fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
05cab525 700 if (!fmt_read || fmt_read->name != g_quark_from_static_string("ctf")) {
3394d22e 701 fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
bbefb8dd 702 opt_input_format);
11e1d048
MD
703 partial_error = 1;
704 goto end;
bbefb8dd 705 }
bbefb8dd
MD
706 fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
707 if (!fmt_write) {
3394d22e 708 fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
bbefb8dd 709 opt_output_format);
11e1d048
MD
710 partial_error = 1;
711 goto end;
bbefb8dd
MD
712 }
713
6cba487f 714 ctx = bt_context_create();
d63c2d51
JD
715 if (!ctx) {
716 goto error_td_read;
717 }
6cba487f 718
4e85cbfd
MD
719 for (i = 0; i < opt_input_paths->len; i++) {
720 const char *ipath = g_ptr_array_index(opt_input_paths, i);
721 ret = bt_context_add_traces_recursive(ctx, ipath,
722 opt_input_format, NULL);
723 if (ret < 0) {
724 fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
725 ipath);
726 } else if (ret > 0) {
727 fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
728 ipath);
729 open_success = 1; /* some traces were OK */
730 partial_error = 1;
731 } else {
732 open_success = 1; /* all traces were OK */
733 }
734 }
735 if (!open_success) {
736 fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
bbefb8dd
MD
737 goto error_td_read;
738 }
6cba487f 739
5b80ddfb 740 td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
bbefb8dd 741 if (!td_write) {
3394d22e 742 fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
b61922b5 743 opt_output_path ? : "<none>");
bbefb8dd
MD
744 goto error_td_write;
745 }
847bf71a 746
24d5af5b
MD
747 /*
748 * Errors happened when opening traces, but we continue anyway.
749 * sleep to let user see the stderr output before stdout.
750 */
4e85cbfd 751 if (partial_error)
24d5af5b 752 sleep(PARTIAL_ERROR_SLEEP);
24d5af5b 753
7237592a
MD
754 ret = trace_pre_handler(td_write, ctx);
755 if (ret) {
756 fprintf(stderr, "Error in trace pre handle.\n\n");
757 goto error_copy_trace;
758 }
759
95d36295 760 ret = convert_trace(td_write, ctx);
46322b33 761 if (ret) {
3394d22e 762 fprintf(stderr, "Error printing trace.\n\n");
46322b33
MD
763 goto error_copy_trace;
764 }
847bf71a 765
7237592a
MD
766 ret = trace_post_handler(td_write, ctx);
767 if (ret) {
768 fprintf(stderr, "Error in trace post handle.\n\n");
769 goto error_copy_trace;
770 }
771
bbefb8dd 772 fmt_write->close_trace(td_write);
6cba487f
MD
773
774 bt_context_put(ctx);
afb48eae
AA
775 printf_verbose("finished converting. Output written to:\n%s\n",
776 opt_output_path ? : "<stdout>");
11e1d048 777 goto end;
34ac0e6c 778
bbefb8dd 779 /* Error handling */
46322b33 780error_copy_trace:
bbefb8dd
MD
781 fmt_write->close_trace(td_write);
782error_td_write:
6cba487f 783 bt_context_put(ctx);
bbefb8dd 784error_td_read:
11e1d048
MD
785 partial_error = 1;
786
787 /* teardown and exit */
788end:
789 free(opt_input_format);
790 free(opt_output_format);
9fe26ec7 791 free(opt_output_path);
4e85cbfd 792 g_ptr_array_free(opt_input_paths, TRUE);
11e1d048
MD
793 if (partial_error)
794 exit(EXIT_FAILURE);
795 else
796 exit(EXIT_SUCCESS);
4c8bfb7e 797}
This page took 0.070465 seconds and 4 git commands to generate.