Fix: make warnings (partial errors) visible
[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.
19 */
4c8bfb7e 20
20d24215 21#define _GNU_SOURCE
00f7fbf0 22#include <config.h>
95d36295 23#include <babeltrace/babeltrace.h>
7fb21036 24#include <babeltrace/format.h>
95d36295
JD
25#include <babeltrace/context.h>
26#include <babeltrace/ctf/types.h>
9843982d 27#include <babeltrace/ctf/events.h>
04ae3991
MD
28/* TODO: fix object model for format-agnostic callbacks */
29#include <babeltrace/ctf/events-internal.h>
9efd5d76 30#include <babeltrace/ctf/iterator.h>
31bdef5c 31#include <babeltrace/ctf-text/types.h>
6204d33c 32#include <babeltrace/iterator.h>
34ac0e6c
MD
33#include <popt.h>
34#include <errno.h>
35#include <stdlib.h>
bbefb8dd
MD
36#include <ctype.h>
37#include <sys/stat.h>
38#include <sys/types.h>
39#include <fcntl.h>
afb48eae 40#include <unistd.h>
70accc14 41#include <inttypes.h>
a99343cf 42#include <ftw.h>
11e1d048 43#include <string.h>
4c8bfb7e 44
a44bc4c9
MD
45#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
46
24d5af5b
MD
47#define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
48
afb48eae 49#define DEFAULT_FILE_ARRAY_SIZE 1
11e1d048
MD
50static char *opt_input_format, *opt_output_format;
51/* Pointer into const argv */
52static const char *opt_input_format_arg, *opt_output_format_arg;
34ac0e6c
MD
53
54static const char *opt_input_path;
55static const char *opt_output_path;
56
afb48eae
AA
57static struct format *fmt_read;
58
11e1d048 59static
bbefb8dd
MD
60void strlower(char *str)
61{
62 while (*str) {
34224260 63 *str = tolower((int) *str);
bbefb8dd
MD
64 str++;
65 }
66}
67
34ac0e6c
MD
68enum {
69 OPT_NONE = 0,
70 OPT_HELP,
7fb21036 71 OPT_LIST,
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MD
72 OPT_VERBOSE,
73 OPT_DEBUG,
d63ca2cd 74 OPT_NAMES,
359d7456 75 OPT_FIELDS,
8d8ed9af 76 OPT_NO_DELTA,
11ac6674 77 OPT_CLOCK_OFFSET,
03798a93 78 OPT_CLOCK_CYCLES,
11ac6674
MD
79 OPT_CLOCK_SECONDS,
80 OPT_CLOCK_DATE,
81 OPT_CLOCK_GMT,
82ace6d6 82 OPT_CLOCK_FORCE_CORRELATE,
34ac0e6c
MD
83};
84
85static struct poptOption long_options[] = {
86 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
11e1d048
MD
87 { "input-format", 'i', POPT_ARG_STRING, &opt_input_format_arg, OPT_NONE, NULL, NULL },
88 { "output-format", 'o', POPT_ARG_STRING, &opt_output_format_arg, OPT_NONE, NULL, NULL },
34ac0e6c 89 { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
7fb21036 90 { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
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MD
91 { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
92 { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
cba1661c 93 { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
359d7456 94 { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
8d8ed9af 95 { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
11ac6674 96 { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
03798a93 97 { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
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MD
98 { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
99 { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
100 { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
82ace6d6 101 { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
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MD
102 { NULL, 0, 0, NULL, 0, NULL, NULL },
103};
104
7fb21036
MD
105static void list_formats(FILE *fp)
106{
107 fprintf(fp, "\n");
108 bt_fprintf_format_list(fp);
109}
110
34ac0e6c 111static void usage(FILE *fp)
4c8bfb7e 112{
4c15b06b 113 fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
4d5678b9 114 fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
34ac0e6c 115 fprintf(fp, "\n");
4d5678b9
MD
116 fprintf(fp, " INPUT Input trace path\n");
117 fprintf(fp, " OUTPUT Output trace path (default: stdout)\n");
34ac0e6c 118 fprintf(fp, "\n");
d2b8ea6b
MD
119 fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
120 fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
34ac0e6c 121 fprintf(fp, "\n");
4d5678b9
MD
122 fprintf(fp, " -h, --help This help message\n");
123 fprintf(fp, " -l, --list List available formats\n");
124 fprintf(fp, " -v, --verbose Verbose mode\n");
cba1661c 125 fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
4d5678b9 126 fprintf(fp, " -d, --debug Debug mode\n");
cba1661c 127 fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
8d8ed9af 128 fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
359d7456 129 fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
82662ad4 130 fprintf(fp, " (payload OR args OR arg)\n");
12c9c3bc
MD
131 fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
132 fprintf(fp, " (default: payload,context)\n");
359d7456
MD
133 fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
134 fprintf(fp, " all, trace, trace:domain, trace:procname,\n");
135 fprintf(fp, " trace:vpid, loglevel.\n");
03798a93 136 fprintf(fp, " --clock-cycles Timestamp in cycles\n");
11ac6674
MD
137 fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
138 fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
139 fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
140 fprintf(fp, " --clock-date Print clock date\n");
141 fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
82ace6d6
MD
142 fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
143 fprintf(fp, " across traces.\n");
7fb21036 144 list_formats(fp);
34ac0e6c
MD
145 fprintf(fp, "\n");
146}
147
cba1661c
MD
148static int get_names_args(poptContext *pc)
149{
150 char *str, *strlist, *strctx;
151
152 opt_payload_field_names = 0;
12c9c3bc 153 opt_context_field_names = 0;
cba1661c
MD
154 strlist = (char *) poptGetOptArg(*pc);
155 if (!strlist) {
156 return -EINVAL;
157 }
158 str = strtok_r(strlist, ",", &strctx);
159 do {
160 if (!strcmp(str, "all"))
161 opt_all_field_names = 1;
162 else if (!strcmp(str, "scope"))
163 opt_scope_field_names = 1;
164 else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
165 opt_context_field_names = 1;
166 else if (!strcmp(str, "header"))
167 opt_header_field_names = 1;
168 else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
169 opt_payload_field_names = 1;
12c9c3bc
MD
170 else if (!strcmp(str, "none")) {
171 opt_all_field_names = 0;
172 opt_scope_field_names = 0;
173 opt_context_field_names = 0;
174 opt_header_field_names = 0;
175 opt_payload_field_names = 0;
176 } else {
359d7456
MD
177 fprintf(stderr, "[error] unknown field name type %s\n", str);
178 return -EINVAL;
179 }
180 } while ((str = strtok_r(NULL, ",", &strctx)));
181 return 0;
182}
183
184static int get_fields_args(poptContext *pc)
185{
186 char *str, *strlist, *strctx;
187
359d7456
MD
188 strlist = (char *) poptGetOptArg(*pc);
189 if (!strlist) {
190 return -EINVAL;
191 }
192 str = strtok_r(strlist, ",", &strctx);
193 do {
194 if (!strcmp(str, "all"))
195 opt_all_fields = 1;
82662ad4 196 else if (!strcmp(str, "trace"))
359d7456 197 opt_trace_field = 1;
8c250d87 198 else if (!strcmp(str, "trace:domain"))
359d7456 199 opt_trace_domain_field = 1;
8c250d87 200 else if (!strcmp(str, "trace:procname"))
359d7456 201 opt_trace_procname_field = 1;
8c250d87 202 else if (!strcmp(str, "trace:vpid"))
359d7456 203 opt_trace_vpid_field = 1;
d86d62f8 204 else if (!strcmp(str, "loglevel"))
359d7456 205 opt_loglevel_field = 1;
cba1661c 206 else {
359d7456 207 fprintf(stderr, "[error] unknown field type %s\n", str);
cba1661c
MD
208 return -EINVAL;
209 }
210 } while ((str = strtok_r(NULL, ",", &strctx)));
211 return 0;
212}
213
34ac0e6c
MD
214/*
215 * Return 0 if caller should continue, < 0 if caller should return
216 * error, > 0 if caller should exit without reporting error.
217 */
bbefb8dd 218static int parse_options(int argc, char **argv)
34ac0e6c
MD
219{
220 poptContext pc;
221 int opt, ret = 0;
222
0f980a35
MD
223 if (argc == 1) {
224 usage(stdout);
225 return 1; /* exit cleanly */
226 }
227
bbefb8dd 228 pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
34ac0e6c
MD
229 poptReadDefaultConfig(pc, 0);
230
cba1661c 231 /* set default */
e505794f 232 opt_context_field_names = 1;
cba1661c
MD
233 opt_payload_field_names = 1;
234
34ac0e6c
MD
235 while ((opt = poptGetNextOpt(pc)) != -1) {
236 switch (opt) {
237 case OPT_HELP:
7fb21036 238 usage(stdout);
34ac0e6c
MD
239 ret = 1; /* exit cleanly */
240 goto end;
7fb21036
MD
241 case OPT_LIST:
242 list_formats(stdout);
243 ret = 1;
244 goto end;
34ac0e6c
MD
245 case OPT_VERBOSE:
246 babeltrace_verbose = 1;
247 break;
cba1661c
MD
248 case OPT_NAMES:
249 if (get_names_args(&pc)) {
250 ret = -EINVAL;
251 goto end;
252 }
253 break;
359d7456
MD
254 case OPT_FIELDS:
255 if (get_fields_args(&pc)) {
256 ret = -EINVAL;
257 goto end;
258 }
259 break;
34ac0e6c
MD
260 case OPT_DEBUG:
261 babeltrace_debug = 1;
262 break;
8d8ed9af 263 case OPT_NO_DELTA:
359d7456 264 opt_delta_field = 0;
8d8ed9af 265 break;
03798a93
JD
266 case OPT_CLOCK_CYCLES:
267 opt_clock_cycles = 1;
11ac6674
MD
268 break;
269 case OPT_CLOCK_OFFSET:
270 {
34224260
MD
271 const char *str;
272 char *endptr;
11ac6674
MD
273
274 str = poptGetOptArg(pc);
275 if (!str) {
276 fprintf(stderr, "[error] Missing --clock-offset argument\n");
277 ret = -EINVAL;
278 goto end;
279 }
280 errno = 0;
281 opt_clock_offset = strtoull(str, &endptr, 0);
282 if (*endptr != '\0' || str == endptr || errno != 0) {
283 fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
284 ret = -EINVAL;
285 goto end;
286 }
287 break;
288 }
289 case OPT_CLOCK_SECONDS:
290 opt_clock_seconds = 1;
291 break;
292 case OPT_CLOCK_DATE:
293 opt_clock_date = 1;
294 break;
295 case OPT_CLOCK_GMT:
296 opt_clock_gmt = 1;
297 break;
82ace6d6
MD
298 case OPT_CLOCK_FORCE_CORRELATE:
299 opt_clock_force_correlate = 1;
300 break;
11ac6674 301
34ac0e6c
MD
302 default:
303 ret = -EINVAL;
304 goto end;
305 }
306 }
307
308 opt_input_path = poptGetArg(pc);
309 if (!opt_input_path) {
310 ret = -EINVAL;
311 goto end;
312 }
313 opt_output_path = poptGetArg(pc);
cba1661c 314
34ac0e6c
MD
315end:
316 if (pc) {
317 poptFreeContext(pc);
318 }
319 return ret;
320}
321
a99343cf 322static GPtrArray *traversed_paths = 0;
afb48eae 323
a99343cf
YB
324/*
325 * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
326 * it receives the path of the current entry (file, dir, link..etc) with
327 * a flag to indicate the type of the entry.
328 * if the entry being visited is a directory and contains a metadata file,
329 * then add the path to a global list to be processed later in
330 * add_traces_recursive.
331 */
332static int traverse_trace_dir(const char *fpath, const struct stat *sb,
333 int tflag, struct FTW *ftwbuf)
334{
335 int dirfd, metafd;
336 int closeret;
337
338 if (tflag != FTW_D)
339 return 0;
340
341 dirfd = open(fpath, 0);
342 if (dirfd < 0) {
343 fprintf(stderr, "[error] [Context] Unable to open trace "
344 "directory file descriptor.\n");
345 return 0; /* partial error */
346 }
347 metafd = openat(dirfd, "metadata", O_RDONLY);
348 if (metafd < 0) {
349 closeret = close(dirfd);
350 if (closeret < 0) {
351 perror("close");
352 return -1;
353 }
354 /* No meta data, just return */
355 return 0;
356 } else {
357 closeret = close(metafd);
358 if (closeret < 0) {
359 perror("close");
360 return -1; /* failure */
361 }
362 closeret = close(dirfd);
363 if (closeret < 0) {
364 perror("close");
365 return -1; /* failure */
366 }
367
368 /* Add path to the global list */
369 if (traversed_paths == NULL) {
370 fprintf(stderr, "[error] [Context] Invalid open path array.\n");
371 return -1;
372 }
373 g_ptr_array_add(traversed_paths, g_string_new(fpath));
374 }
375
376 return 0;
377}
20d24215
YB
378/*
379 * bt_context_add_traces_recursive: Open a trace recursively
380 *
381 * Find each trace present in the subdirectory starting from the given
613f532b
MD
382 * path, and add them to the context. The packet_seek parameter can be
383 * NULL: this specify to use the default format packet_seek.
20d24215 384 *
b945d4a5 385 * Return: 0 on success, < 0 on failure, > 0 on partial failure.
20d24215 386 * Unable to open toplevel: failure.
b945d4a5
MD
387 * Unable to open some subdirectory or file: warn and continue (partial
388 * failure);
20d24215
YB
389 */
390int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
613f532b
MD
391 const char *format_str,
392 void (*packet_seek)(struct stream_pos *pos,
393 size_t offset, int whence))
20d24215 394{
a99343cf 395
20d24215 396 GArray *trace_ids;
b945d4a5 397 int ret = 0;
a99343cf 398 int i;
20d24215 399
a99343cf 400 /* Should lock traversed_paths mutex here if used in multithread */
20d24215 401
a99343cf 402 traversed_paths = g_ptr_array_new();
20d24215
YB
403 trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
404
a99343cf
YB
405 ret = nftw(path, traverse_trace_dir, 10, 0);
406
407 /* Process the array if ntfw did not return a fatal error */
408 if (ret >= 0) {
409 for (i = 0; i < traversed_paths->len; i++) {
410 GString *trace_path = g_ptr_array_index(traversed_paths,
411 i);
412 int trace_id = bt_context_add_trace(ctx,
413 trace_path->str,
414 format_str,
415 packet_seek,
416 NULL,
417 NULL);
20d24215 418 if (trace_id < 0) {
7f89ddce 419 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
a99343cf 420 "for reading.\n", trace_path->str, path);
ca718275 421 /* Allow to skip erroneous traces. */
b945d4a5 422 ret = 1; /* partial error */
a99343cf
YB
423 } else {
424 g_array_append_val(trace_ids, trace_id);
20d24215 425 }
a99343cf 426 g_string_free(trace_path, TRUE);
20d24215
YB
427 }
428 }
a99343cf
YB
429 g_ptr_array_free(traversed_paths, TRUE);
430 traversed_paths = NULL;
431
432 /* Should unlock traversed paths mutex here if used in multithread */
20d24215 433
27cd3890
MD
434 /*
435 * Return an error if no trace can be opened.
436 */
b945d4a5 437 if (trace_ids->len == 0) {
27cd3890 438 fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
b945d4a5 439 ret = -ENOENT; /* failure */
27cd3890
MD
440 }
441 g_array_free(trace_ids, TRUE);
20d24215
YB
442 return ret;
443}
a44bc4c9 444
95d36295
JD
445int convert_trace(struct trace_descriptor *td_write,
446 struct bt_context *ctx)
447{
e4195791 448 struct bt_ctf_iter *iter;
95d36295 449 struct ctf_text_stream_pos *sout;
e8c92a62 450 struct bt_iter_pos begin_pos;
c50d2a7a 451 struct bt_ctf_event *ctf_event;
95d36295
JD
452 int ret;
453
454 sout = container_of(td_write, struct ctf_text_stream_pos,
455 trace_descriptor);
456
457 begin_pos.type = BT_SEEK_BEGIN;
e4195791 458 iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
95d36295
JD
459 if (!iter) {
460 ret = -1;
461 goto error_iter;
462 }
e4195791 463 while ((ctf_event = bt_ctf_iter_read_event(iter))) {
c50d2a7a 464 ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
95d36295 465 if (ret) {
3394d22e 466 fprintf(stderr, "[error] Writing event failed.\n");
95d36295
JD
467 goto end;
468 }
e4195791 469 ret = bt_iter_next(bt_ctf_get_iter(iter));
95d36295
JD
470 if (ret < 0)
471 goto end;
472 }
473 ret = 0;
474
475end:
e4195791 476 bt_ctf_iter_destroy(iter);
95d36295
JD
477error_iter:
478 return ret;
479}
480
bbefb8dd 481int main(int argc, char **argv)
34ac0e6c 482{
b945d4a5 483 int ret, partial_error = 0;
afb48eae
AA
484 struct format *fmt_write;
485 struct trace_descriptor *td_write;
95d36295 486 struct bt_context *ctx;
34ac0e6c
MD
487
488 ret = parse_options(argc, argv);
489 if (ret < 0) {
3394d22e
MD
490 fprintf(stderr, "Error parsing options.\n\n");
491 usage(stderr);
34ac0e6c
MD
492 exit(EXIT_FAILURE);
493 } else if (ret > 0) {
494 exit(EXIT_SUCCESS);
495 }
496 printf_verbose("Verbose mode active.\n");
497 printf_debug("Debug mode active.\n");
498
11e1d048
MD
499 if (opt_input_format_arg) {
500 opt_input_format = strdup(opt_input_format_arg);
501 if (!opt_input_format) {
502 partial_error = 1;
503 goto end;
504 }
bbefb8dd 505 strlower(opt_input_format);
11e1d048 506 }
e2834a7e 507 if (opt_output_format_arg) {
11e1d048
MD
508 opt_output_format = strdup(opt_output_format_arg);
509 if (!opt_output_format) {
510 partial_error = 1;
511 goto end;
512 }
bbefb8dd 513 strlower(opt_output_format);
11e1d048 514 }
bbefb8dd 515
afb48eae 516 printf_verbose("Converting from directory: %s\n", opt_input_path);
34ac0e6c 517 printf_verbose("Converting from format: %s\n",
b61922b5 518 opt_input_format ? : "ctf <default>");
afb48eae 519 printf_verbose("Converting to directory: %s\n",
478b6389 520 opt_output_path ? : "<stdout>");
34ac0e6c 521 printf_verbose("Converting to format: %s\n",
b61922b5 522 opt_output_format ? : "text <default>");
bbefb8dd 523
11e1d048
MD
524 if (!opt_input_format) {
525 opt_input_format = strdup("ctf");
526 if (!opt_input_format) {
527 partial_error = 1;
528 goto end;
529 }
530 }
531 if (!opt_output_format) {
532 opt_output_format = strdup("text");
533 if (!opt_output_format) {
534 partial_error = 1;
535 goto end;
536 }
537 }
bbefb8dd
MD
538 fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
539 if (!fmt_read) {
3394d22e 540 fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
bbefb8dd 541 opt_input_format);
11e1d048
MD
542 partial_error = 1;
543 goto end;
bbefb8dd 544 }
bbefb8dd
MD
545 fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
546 if (!fmt_write) {
3394d22e 547 fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
bbefb8dd 548 opt_output_format);
11e1d048
MD
549 partial_error = 1;
550 goto end;
bbefb8dd
MD
551 }
552
6cba487f 553 ctx = bt_context_create();
d63c2d51
JD
554 if (!ctx) {
555 goto error_td_read;
556 }
6cba487f 557
e669e45e 558 ret = bt_context_add_traces_recursive(ctx, opt_input_path,
613f532b 559 opt_input_format, NULL);
b945d4a5 560 if (ret < 0) {
3394d22e 561 fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
bbefb8dd
MD
562 opt_input_path);
563 goto error_td_read;
b945d4a5
MD
564 } else if (ret > 0) {
565 fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
566 opt_input_path);
567 partial_error = 1;
bbefb8dd 568 }
6cba487f 569
5b80ddfb 570 td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
bbefb8dd 571 if (!td_write) {
3394d22e 572 fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
b61922b5 573 opt_output_path ? : "<none>");
bbefb8dd
MD
574 goto error_td_write;
575 }
847bf71a 576
24d5af5b
MD
577 /*
578 * Errors happened when opening traces, but we continue anyway.
579 * sleep to let user see the stderr output before stdout.
580 */
581 if (partial_error) {
582 sleep(PARTIAL_ERROR_SLEEP);
583 }
584
95d36295 585 ret = convert_trace(td_write, ctx);
46322b33 586 if (ret) {
3394d22e 587 fprintf(stderr, "Error printing trace.\n\n");
46322b33
MD
588 goto error_copy_trace;
589 }
847bf71a 590
bbefb8dd 591 fmt_write->close_trace(td_write);
6cba487f
MD
592
593 bt_context_put(ctx);
afb48eae
AA
594 printf_verbose("finished converting. Output written to:\n%s\n",
595 opt_output_path ? : "<stdout>");
11e1d048 596 goto end;
34ac0e6c 597
bbefb8dd 598 /* Error handling */
46322b33 599error_copy_trace:
bbefb8dd
MD
600 fmt_write->close_trace(td_write);
601error_td_write:
6cba487f 602 bt_context_put(ctx);
bbefb8dd 603error_td_read:
11e1d048
MD
604 partial_error = 1;
605
606 /* teardown and exit */
607end:
608 free(opt_input_format);
609 free(opt_output_format);
610 if (partial_error)
611 exit(EXIT_FAILURE);
612 else
613 exit(EXIT_SUCCESS);
4c8bfb7e 614}
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