babeltrace: fix poptGetOptArg memleak
[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>
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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
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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 53
4e85cbfd 54static GPtrArray *opt_input_paths;
34ac0e6c
MD
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,
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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 */
4e85cbfd 87 { "output", 'w', POPT_ARG_STRING, &opt_output_path, OPT_NONE, NULL, NULL },
11e1d048
MD
88 { "input-format", 'i', POPT_ARG_STRING, &opt_input_format_arg, OPT_NONE, NULL, NULL },
89 { "output-format", 'o', POPT_ARG_STRING, &opt_output_format_arg, OPT_NONE, NULL, NULL },
34ac0e6c 90 { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
7fb21036 91 { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
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MD
92 { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
93 { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
cba1661c 94 { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
359d7456 95 { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
8d8ed9af 96 { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
11ac6674 97 { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
03798a93 98 { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
11ac6674
MD
99 { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
100 { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
101 { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
82ace6d6 102 { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
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MD
103 { NULL, 0, 0, NULL, 0, NULL, NULL },
104};
105
7fb21036
MD
106static void list_formats(FILE *fp)
107{
108 fprintf(fp, "\n");
109 bt_fprintf_format_list(fp);
110}
111
34ac0e6c 112static void usage(FILE *fp)
4c8bfb7e 113{
4c15b06b 114 fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
4e85cbfd 115 fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n");
34ac0e6c 116 fprintf(fp, "\n");
4e85cbfd
MD
117 fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n");
118 fprintf(fp, " (space-separated)\n");
119 fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n");
34ac0e6c 120 fprintf(fp, "\n");
d2b8ea6b
MD
121 fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
122 fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
34ac0e6c 123 fprintf(fp, "\n");
4d5678b9
MD
124 fprintf(fp, " -h, --help This help message\n");
125 fprintf(fp, " -l, --list List available formats\n");
126 fprintf(fp, " -v, --verbose Verbose mode\n");
cba1661c 127 fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
4d5678b9 128 fprintf(fp, " -d, --debug Debug mode\n");
cba1661c 129 fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
8d8ed9af 130 fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
359d7456 131 fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
82662ad4 132 fprintf(fp, " (payload OR args OR arg)\n");
12c9c3bc
MD
133 fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
134 fprintf(fp, " (default: payload,context)\n");
359d7456 135 fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
32cfb8ad 136 fprintf(fp, " all, trace, trace:hostname, trace:domain,\n");
f133896d 137 fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
c3815874 138 fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n");
03798a93 139 fprintf(fp, " --clock-cycles Timestamp in cycles\n");
11ac6674
MD
140 fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
141 fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
142 fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
143 fprintf(fp, " --clock-date Print clock date\n");
144 fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
82ace6d6
MD
145 fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
146 fprintf(fp, " across traces.\n");
7fb21036 147 list_formats(fp);
34ac0e6c
MD
148 fprintf(fp, "\n");
149}
150
cba1661c
MD
151static int get_names_args(poptContext *pc)
152{
153 char *str, *strlist, *strctx;
9f2c779c 154 int ret = 0;
cba1661c
MD
155
156 opt_payload_field_names = 0;
12c9c3bc 157 opt_context_field_names = 0;
cba1661c
MD
158 strlist = (char *) poptGetOptArg(*pc);
159 if (!strlist) {
160 return -EINVAL;
161 }
162 str = strtok_r(strlist, ",", &strctx);
163 do {
164 if (!strcmp(str, "all"))
165 opt_all_field_names = 1;
166 else if (!strcmp(str, "scope"))
167 opt_scope_field_names = 1;
168 else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
169 opt_context_field_names = 1;
170 else if (!strcmp(str, "header"))
171 opt_header_field_names = 1;
172 else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
173 opt_payload_field_names = 1;
12c9c3bc
MD
174 else if (!strcmp(str, "none")) {
175 opt_all_field_names = 0;
176 opt_scope_field_names = 0;
177 opt_context_field_names = 0;
178 opt_header_field_names = 0;
179 opt_payload_field_names = 0;
180 } else {
359d7456 181 fprintf(stderr, "[error] unknown field name type %s\n", str);
9f2c779c
MD
182 free(strlist);
183 ret = -EINVAL;
184 goto end;
359d7456
MD
185 }
186 } while ((str = strtok_r(NULL, ",", &strctx)));
9f2c779c
MD
187end:
188 free(strlist);
189 return ret;
359d7456
MD
190}
191
192static int get_fields_args(poptContext *pc)
193{
194 char *str, *strlist, *strctx;
9f2c779c 195 int ret = 0;
359d7456 196
359d7456
MD
197 strlist = (char *) poptGetOptArg(*pc);
198 if (!strlist) {
199 return -EINVAL;
200 }
201 str = strtok_r(strlist, ",", &strctx);
202 do {
c3815874 203 opt_trace_default_fields = 0;
359d7456
MD
204 if (!strcmp(str, "all"))
205 opt_all_fields = 1;
82662ad4 206 else if (!strcmp(str, "trace"))
359d7456 207 opt_trace_field = 1;
c3815874
MD
208 else if (!strcmp(str, "trace:hostname"))
209 opt_trace_hostname_field = 1;
8c250d87 210 else if (!strcmp(str, "trace:domain"))
359d7456 211 opt_trace_domain_field = 1;
8c250d87 212 else if (!strcmp(str, "trace:procname"))
359d7456 213 opt_trace_procname_field = 1;
8c250d87 214 else if (!strcmp(str, "trace:vpid"))
359d7456 215 opt_trace_vpid_field = 1;
d86d62f8 216 else if (!strcmp(str, "loglevel"))
359d7456 217 opt_loglevel_field = 1;
f6714e20
MD
218 else if (!strcmp(str, "emf"))
219 opt_emf_field = 1;
f133896d
MD
220 else if (!strcmp(str, "callsite"))
221 opt_callsite_field = 1;
cba1661c 222 else {
359d7456 223 fprintf(stderr, "[error] unknown field type %s\n", str);
9f2c779c
MD
224 ret = -EINVAL;
225 goto end;
cba1661c
MD
226 }
227 } while ((str = strtok_r(NULL, ",", &strctx)));
9f2c779c
MD
228end:
229 free(strlist);
230 return ret;
cba1661c
MD
231}
232
34ac0e6c
MD
233/*
234 * Return 0 if caller should continue, < 0 if caller should return
235 * error, > 0 if caller should exit without reporting error.
236 */
bbefb8dd 237static int parse_options(int argc, char **argv)
34ac0e6c
MD
238{
239 poptContext pc;
240 int opt, ret = 0;
4e85cbfd 241 const char *ipath;
34ac0e6c 242
0f980a35
MD
243 if (argc == 1) {
244 usage(stdout);
245 return 1; /* exit cleanly */
246 }
247
bbefb8dd 248 pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
34ac0e6c
MD
249 poptReadDefaultConfig(pc, 0);
250
cba1661c 251 /* set default */
e505794f 252 opt_context_field_names = 1;
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MD
253 opt_payload_field_names = 1;
254
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MD
255 while ((opt = poptGetNextOpt(pc)) != -1) {
256 switch (opt) {
257 case OPT_HELP:
7fb21036 258 usage(stdout);
34ac0e6c
MD
259 ret = 1; /* exit cleanly */
260 goto end;
7fb21036
MD
261 case OPT_LIST:
262 list_formats(stdout);
263 ret = 1;
264 goto end;
34ac0e6c
MD
265 case OPT_VERBOSE:
266 babeltrace_verbose = 1;
267 break;
cba1661c
MD
268 case OPT_NAMES:
269 if (get_names_args(&pc)) {
270 ret = -EINVAL;
271 goto end;
272 }
273 break;
359d7456
MD
274 case OPT_FIELDS:
275 if (get_fields_args(&pc)) {
276 ret = -EINVAL;
277 goto end;
278 }
279 break;
34ac0e6c
MD
280 case OPT_DEBUG:
281 babeltrace_debug = 1;
282 break;
8d8ed9af 283 case OPT_NO_DELTA:
359d7456 284 opt_delta_field = 0;
8d8ed9af 285 break;
03798a93
JD
286 case OPT_CLOCK_CYCLES:
287 opt_clock_cycles = 1;
11ac6674
MD
288 break;
289 case OPT_CLOCK_OFFSET:
290 {
9f2c779c 291 char *str;
34224260 292 char *endptr;
11ac6674 293
9f2c779c 294 str = (char *) poptGetOptArg(pc);
11ac6674
MD
295 if (!str) {
296 fprintf(stderr, "[error] Missing --clock-offset argument\n");
297 ret = -EINVAL;
298 goto end;
299 }
300 errno = 0;
301 opt_clock_offset = strtoull(str, &endptr, 0);
302 if (*endptr != '\0' || str == endptr || errno != 0) {
303 fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
304 ret = -EINVAL;
9f2c779c 305 free(str);
11ac6674
MD
306 goto end;
307 }
9f2c779c 308 free(str);
11ac6674
MD
309 break;
310 }
311 case OPT_CLOCK_SECONDS:
312 opt_clock_seconds = 1;
313 break;
314 case OPT_CLOCK_DATE:
315 opt_clock_date = 1;
316 break;
317 case OPT_CLOCK_GMT:
318 opt_clock_gmt = 1;
319 break;
82ace6d6
MD
320 case OPT_CLOCK_FORCE_CORRELATE:
321 opt_clock_force_correlate = 1;
322 break;
11ac6674 323
34ac0e6c
MD
324 default:
325 ret = -EINVAL;
326 goto end;
327 }
328 }
329
4e85cbfd
MD
330 do {
331 ipath = poptGetArg(pc);
332 if (ipath)
333 g_ptr_array_add(opt_input_paths, (gpointer) ipath);
334 } while (ipath);
335 if (opt_input_paths->len == 0) {
34ac0e6c
MD
336 ret = -EINVAL;
337 goto end;
338 }
cba1661c 339
34ac0e6c
MD
340end:
341 if (pc) {
342 poptFreeContext(pc);
343 }
344 return ret;
345}
346
a99343cf 347static GPtrArray *traversed_paths = 0;
afb48eae 348
a99343cf
YB
349/*
350 * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
351 * it receives the path of the current entry (file, dir, link..etc) with
352 * a flag to indicate the type of the entry.
353 * if the entry being visited is a directory and contains a metadata file,
354 * then add the path to a global list to be processed later in
355 * add_traces_recursive.
356 */
357static int traverse_trace_dir(const char *fpath, const struct stat *sb,
358 int tflag, struct FTW *ftwbuf)
359{
360 int dirfd, metafd;
361 int closeret;
362
363 if (tflag != FTW_D)
364 return 0;
365
366 dirfd = open(fpath, 0);
367 if (dirfd < 0) {
368 fprintf(stderr, "[error] [Context] Unable to open trace "
369 "directory file descriptor.\n");
370 return 0; /* partial error */
371 }
372 metafd = openat(dirfd, "metadata", O_RDONLY);
373 if (metafd < 0) {
374 closeret = close(dirfd);
375 if (closeret < 0) {
376 perror("close");
377 return -1;
378 }
379 /* No meta data, just return */
380 return 0;
381 } else {
382 closeret = close(metafd);
383 if (closeret < 0) {
384 perror("close");
385 return -1; /* failure */
386 }
387 closeret = close(dirfd);
388 if (closeret < 0) {
389 perror("close");
390 return -1; /* failure */
391 }
392
393 /* Add path to the global list */
394 if (traversed_paths == NULL) {
395 fprintf(stderr, "[error] [Context] Invalid open path array.\n");
396 return -1;
397 }
398 g_ptr_array_add(traversed_paths, g_string_new(fpath));
399 }
400
401 return 0;
402}
20d24215
YB
403/*
404 * bt_context_add_traces_recursive: Open a trace recursively
405 *
406 * Find each trace present in the subdirectory starting from the given
613f532b
MD
407 * path, and add them to the context. The packet_seek parameter can be
408 * NULL: this specify to use the default format packet_seek.
20d24215 409 *
b945d4a5 410 * Return: 0 on success, < 0 on failure, > 0 on partial failure.
20d24215 411 * Unable to open toplevel: failure.
b945d4a5
MD
412 * Unable to open some subdirectory or file: warn and continue (partial
413 * failure);
20d24215
YB
414 */
415int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
613f532b
MD
416 const char *format_str,
417 void (*packet_seek)(struct stream_pos *pos,
418 size_t offset, int whence))
20d24215 419{
a99343cf 420
20d24215 421 GArray *trace_ids;
b945d4a5 422 int ret = 0;
a99343cf 423 int i;
20d24215 424
a99343cf 425 /* Should lock traversed_paths mutex here if used in multithread */
20d24215 426
a99343cf 427 traversed_paths = g_ptr_array_new();
20d24215
YB
428 trace_ids = g_array_new(FALSE, TRUE, sizeof(int));
429
a99343cf
YB
430 ret = nftw(path, traverse_trace_dir, 10, 0);
431
432 /* Process the array if ntfw did not return a fatal error */
433 if (ret >= 0) {
434 for (i = 0; i < traversed_paths->len; i++) {
435 GString *trace_path = g_ptr_array_index(traversed_paths,
436 i);
437 int trace_id = bt_context_add_trace(ctx,
438 trace_path->str,
439 format_str,
440 packet_seek,
441 NULL,
442 NULL);
20d24215 443 if (trace_id < 0) {
7f89ddce 444 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
a99343cf 445 "for reading.\n", trace_path->str, path);
ca718275 446 /* Allow to skip erroneous traces. */
b945d4a5 447 ret = 1; /* partial error */
a99343cf
YB
448 } else {
449 g_array_append_val(trace_ids, trace_id);
20d24215 450 }
a99343cf 451 g_string_free(trace_path, TRUE);
20d24215
YB
452 }
453 }
a99343cf
YB
454 g_ptr_array_free(traversed_paths, TRUE);
455 traversed_paths = NULL;
456
457 /* Should unlock traversed paths mutex here if used in multithread */
20d24215 458
27cd3890
MD
459 /*
460 * Return an error if no trace can be opened.
461 */
b945d4a5 462 if (trace_ids->len == 0) {
27cd3890 463 fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
b945d4a5 464 ret = -ENOENT; /* failure */
27cd3890
MD
465 }
466 g_array_free(trace_ids, TRUE);
20d24215
YB
467 return ret;
468}
a44bc4c9 469
95d36295
JD
470int convert_trace(struct trace_descriptor *td_write,
471 struct bt_context *ctx)
472{
e4195791 473 struct bt_ctf_iter *iter;
95d36295 474 struct ctf_text_stream_pos *sout;
e8c92a62 475 struct bt_iter_pos begin_pos;
c50d2a7a 476 struct bt_ctf_event *ctf_event;
95d36295
JD
477 int ret;
478
479 sout = container_of(td_write, struct ctf_text_stream_pos,
480 trace_descriptor);
481
482 begin_pos.type = BT_SEEK_BEGIN;
e4195791 483 iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
95d36295
JD
484 if (!iter) {
485 ret = -1;
486 goto error_iter;
487 }
e4195791 488 while ((ctf_event = bt_ctf_iter_read_event(iter))) {
c50d2a7a 489 ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
95d36295 490 if (ret) {
3394d22e 491 fprintf(stderr, "[error] Writing event failed.\n");
95d36295
JD
492 goto end;
493 }
e4195791 494 ret = bt_iter_next(bt_ctf_get_iter(iter));
95d36295
JD
495 if (ret < 0)
496 goto end;
497 }
498 ret = 0;
499
500end:
e4195791 501 bt_ctf_iter_destroy(iter);
95d36295
JD
502error_iter:
503 return ret;
504}
505
bbefb8dd 506int main(int argc, char **argv)
34ac0e6c 507{
4e85cbfd 508 int ret, partial_error = 0, open_success = 0;
afb48eae
AA
509 struct format *fmt_write;
510 struct trace_descriptor *td_write;
95d36295 511 struct bt_context *ctx;
4e85cbfd
MD
512 int i;
513
514 opt_input_paths = g_ptr_array_new();
34ac0e6c
MD
515
516 ret = parse_options(argc, argv);
517 if (ret < 0) {
3394d22e
MD
518 fprintf(stderr, "Error parsing options.\n\n");
519 usage(stderr);
4e85cbfd 520 g_ptr_array_free(opt_input_paths, TRUE);
34ac0e6c
MD
521 exit(EXIT_FAILURE);
522 } else if (ret > 0) {
4e85cbfd 523 g_ptr_array_free(opt_input_paths, TRUE);
34ac0e6c
MD
524 exit(EXIT_SUCCESS);
525 }
526 printf_verbose("Verbose mode active.\n");
527 printf_debug("Debug mode active.\n");
528
11e1d048
MD
529 if (opt_input_format_arg) {
530 opt_input_format = strdup(opt_input_format_arg);
531 if (!opt_input_format) {
532 partial_error = 1;
533 goto end;
534 }
bbefb8dd 535 strlower(opt_input_format);
11e1d048 536 }
e2834a7e 537 if (opt_output_format_arg) {
11e1d048
MD
538 opt_output_format = strdup(opt_output_format_arg);
539 if (!opt_output_format) {
540 partial_error = 1;
541 goto end;
542 }
bbefb8dd 543 strlower(opt_output_format);
11e1d048 544 }
bbefb8dd 545
4e85cbfd
MD
546 printf_verbose("Converting from directory(ies):\n");
547 for (i = 0; i < opt_input_paths->len; i++) {
548 const char *ipath = g_ptr_array_index(opt_input_paths, i);
549 printf_verbose(" %s\n", ipath);
550 }
34ac0e6c 551 printf_verbose("Converting from format: %s\n",
b61922b5 552 opt_input_format ? : "ctf <default>");
afb48eae 553 printf_verbose("Converting to directory: %s\n",
478b6389 554 opt_output_path ? : "<stdout>");
34ac0e6c 555 printf_verbose("Converting to format: %s\n",
b61922b5 556 opt_output_format ? : "text <default>");
bbefb8dd 557
11e1d048
MD
558 if (!opt_input_format) {
559 opt_input_format = strdup("ctf");
560 if (!opt_input_format) {
561 partial_error = 1;
562 goto end;
563 }
564 }
565 if (!opt_output_format) {
566 opt_output_format = strdup("text");
567 if (!opt_output_format) {
568 partial_error = 1;
569 goto end;
570 }
571 }
bbefb8dd
MD
572 fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
573 if (!fmt_read) {
3394d22e 574 fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
bbefb8dd 575 opt_input_format);
11e1d048
MD
576 partial_error = 1;
577 goto end;
bbefb8dd 578 }
bbefb8dd
MD
579 fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
580 if (!fmt_write) {
3394d22e 581 fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
bbefb8dd 582 opt_output_format);
11e1d048
MD
583 partial_error = 1;
584 goto end;
bbefb8dd
MD
585 }
586
6cba487f 587 ctx = bt_context_create();
d63c2d51
JD
588 if (!ctx) {
589 goto error_td_read;
590 }
6cba487f 591
4e85cbfd
MD
592 for (i = 0; i < opt_input_paths->len; i++) {
593 const char *ipath = g_ptr_array_index(opt_input_paths, i);
594 ret = bt_context_add_traces_recursive(ctx, ipath,
595 opt_input_format, NULL);
596 if (ret < 0) {
597 fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
598 ipath);
599 } else if (ret > 0) {
600 fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
601 ipath);
602 open_success = 1; /* some traces were OK */
603 partial_error = 1;
604 } else {
605 open_success = 1; /* all traces were OK */
606 }
607 }
608 if (!open_success) {
609 fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
bbefb8dd
MD
610 goto error_td_read;
611 }
6cba487f 612
5b80ddfb 613 td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
bbefb8dd 614 if (!td_write) {
3394d22e 615 fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
b61922b5 616 opt_output_path ? : "<none>");
bbefb8dd
MD
617 goto error_td_write;
618 }
847bf71a 619
24d5af5b
MD
620 /*
621 * Errors happened when opening traces, but we continue anyway.
622 * sleep to let user see the stderr output before stdout.
623 */
4e85cbfd 624 if (partial_error)
24d5af5b 625 sleep(PARTIAL_ERROR_SLEEP);
24d5af5b 626
95d36295 627 ret = convert_trace(td_write, ctx);
46322b33 628 if (ret) {
3394d22e 629 fprintf(stderr, "Error printing trace.\n\n");
46322b33
MD
630 goto error_copy_trace;
631 }
847bf71a 632
bbefb8dd 633 fmt_write->close_trace(td_write);
6cba487f
MD
634
635 bt_context_put(ctx);
afb48eae
AA
636 printf_verbose("finished converting. Output written to:\n%s\n",
637 opt_output_path ? : "<stdout>");
11e1d048 638 goto end;
34ac0e6c 639
bbefb8dd 640 /* Error handling */
46322b33 641error_copy_trace:
bbefb8dd
MD
642 fmt_write->close_trace(td_write);
643error_td_write:
6cba487f 644 bt_context_put(ctx);
bbefb8dd 645error_td_read:
11e1d048
MD
646 partial_error = 1;
647
648 /* teardown and exit */
649end:
650 free(opt_input_format);
651 free(opt_output_format);
4e85cbfd 652 g_ptr_array_free(opt_input_paths, TRUE);
11e1d048
MD
653 if (partial_error)
654 exit(EXIT_FAILURE);
655 else
656 exit(EXIT_SUCCESS);
4c8bfb7e 657}
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