Tests for packet_seq_num handling
[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
95d36295 29#include <babeltrace/babeltrace.h>
7fb21036 30#include <babeltrace/format.h>
95d36295 31#include <babeltrace/context.h>
7237592a 32#include <babeltrace/context-internal.h>
95d36295 33#include <babeltrace/ctf/types.h>
9843982d 34#include <babeltrace/ctf/events.h>
04ae3991
MD
35/* TODO: fix object model for format-agnostic callbacks */
36#include <babeltrace/ctf/events-internal.h>
9efd5d76 37#include <babeltrace/ctf/iterator.h>
31bdef5c 38#include <babeltrace/ctf-text/types.h>
6204d33c 39#include <babeltrace/iterator.h>
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MD
40#include <popt.h>
41#include <errno.h>
42#include <stdlib.h>
bbefb8dd
MD
43#include <ctype.h>
44#include <sys/stat.h>
45#include <sys/types.h>
46#include <fcntl.h>
afb48eae 47#include <unistd.h>
70accc14 48#include <inttypes.h>
a99343cf 49#include <ftw.h>
11e1d048 50#include <string.h>
4c8bfb7e 51
a44bc4c9
MD
52#include <babeltrace/ctf-ir/metadata.h> /* for clocks */
53
24d5af5b
MD
54#define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */
55
afb48eae 56#define DEFAULT_FILE_ARRAY_SIZE 1
9fe26ec7 57
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58#define NET_URL_PREFIX "net://"
59#define NET4_URL_PREFIX "net4://"
60#define NET6_URL_PREFIX "net6://"
61
11e1d048 62static char *opt_input_format, *opt_output_format;
34ac0e6c 63
41075e78
MD
64/*
65 * We are not freeing opt_input_paths ipath elements when exiting from
66 * main() for backward compatibility with libpop 0.13, which does not
67 * allocate copies for arguments returned by poptGetArg(), and for
68 * general compatibility with the documented behavior. This is known to
69 * cause a small memory leak with libpop 0.16.
70 */
4e85cbfd 71static GPtrArray *opt_input_paths;
9fe26ec7 72static char *opt_output_path;
34ac0e6c 73
37b99bdb 74static struct bt_format *fmt_read;
afb48eae 75
11e1d048 76static
bbefb8dd
MD
77void strlower(char *str)
78{
79 while (*str) {
34224260 80 *str = tolower((int) *str);
bbefb8dd
MD
81 str++;
82 }
83}
84
34ac0e6c
MD
85enum {
86 OPT_NONE = 0,
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MD
87 OPT_OUTPUT_PATH,
88 OPT_INPUT_FORMAT,
89 OPT_OUTPUT_FORMAT,
34ac0e6c 90 OPT_HELP,
7fb21036 91 OPT_LIST,
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MD
92 OPT_VERBOSE,
93 OPT_DEBUG,
d63ca2cd 94 OPT_NAMES,
359d7456 95 OPT_FIELDS,
8d8ed9af 96 OPT_NO_DELTA,
11ac6674 97 OPT_CLOCK_OFFSET,
65923160 98 OPT_CLOCK_OFFSET_NS,
03798a93 99 OPT_CLOCK_CYCLES,
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MD
100 OPT_CLOCK_SECONDS,
101 OPT_CLOCK_DATE,
102 OPT_CLOCK_GMT,
82ace6d6 103 OPT_CLOCK_FORCE_CORRELATE,
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MD
104};
105
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MD
106/*
107 * We are _not_ using POPT_ARG_STRING ability to store directly into
108 * variables, because we want to cast the return to non-const, which is
41075e78
MD
109 * not possible without using poptGetOptArg explicitly. This helps us
110 * controlling memory allocation correctly without making assumptions
111 * about undocumented behaviors. poptGetOptArg is documented as
112 * requiring the returned const char * to be freed by the caller.
9fe26ec7 113 */
34ac0e6c
MD
114static struct poptOption long_options[] = {
115 /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
c790c052 116 { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL },
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MD
117 { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL },
118 { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL },
34ac0e6c 119 { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
7fb21036 120 { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
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MD
121 { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
122 { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
cba1661c 123 { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL },
359d7456 124 { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL },
8d8ed9af 125 { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL },
11ac6674 126 { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL },
65923160 127 { "clock-offset-ns", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL },
03798a93 128 { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL },
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MD
129 { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL },
130 { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL },
131 { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL },
82ace6d6 132 { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL },
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MD
133 { NULL, 0, 0, NULL, 0, NULL, NULL },
134};
135
7fb21036
MD
136static void list_formats(FILE *fp)
137{
138 fprintf(fp, "\n");
139 bt_fprintf_format_list(fp);
140}
141
34ac0e6c 142static void usage(FILE *fp)
4c8bfb7e 143{
4c15b06b 144 fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION);
4e85cbfd 145 fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n");
34ac0e6c 146 fprintf(fp, "\n");
4e85cbfd
MD
147 fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n");
148 fprintf(fp, " (space-separated)\n");
149 fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n");
34ac0e6c 150 fprintf(fp, "\n");
d2b8ea6b
MD
151 fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
152 fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
34ac0e6c 153 fprintf(fp, "\n");
4d5678b9
MD
154 fprintf(fp, " -h, --help This help message\n");
155 fprintf(fp, " -l, --list List available formats\n");
156 fprintf(fp, " -v, --verbose Verbose mode\n");
cba1661c 157 fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n");
4d5678b9 158 fprintf(fp, " -d, --debug Debug mode\n");
cba1661c 159 fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n");
8d8ed9af 160 fprintf(fp, " --no-delta Do not print time delta between consecutive events\n");
359d7456 161 fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n");
82662ad4 162 fprintf(fp, " (payload OR args OR arg)\n");
12c9c3bc
MD
163 fprintf(fp, " none, all, scope, header, (context OR ctx)\n");
164 fprintf(fp, " (default: payload,context)\n");
359d7456 165 fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
32cfb8ad 166 fprintf(fp, " all, trace, trace:hostname, trace:domain,\n");
f133896d 167 fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n");
c3815874 168 fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n");
03798a93 169 fprintf(fp, " --clock-cycles Timestamp in cycles\n");
11ac6674 170 fprintf(fp, " --clock-offset seconds Clock offset in seconds\n");
65923160 171 fprintf(fp, " --clock-offset-ns ns Clock offset in nanoseconds\n");
11ac6674
MD
172 fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n");
173 fprintf(fp, " (default is: [hh:mm:ss.ns])\n");
174 fprintf(fp, " --clock-date Print clock date\n");
175 fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n");
82ace6d6
MD
176 fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n");
177 fprintf(fp, " across traces.\n");
7fb21036 178 list_formats(fp);
34ac0e6c
MD
179 fprintf(fp, "\n");
180}
181
cba1661c
MD
182static int get_names_args(poptContext *pc)
183{
184 char *str, *strlist, *strctx;
9f2c779c 185 int ret = 0;
cba1661c
MD
186
187 opt_payload_field_names = 0;
12c9c3bc 188 opt_context_field_names = 0;
cba1661c
MD
189 strlist = (char *) poptGetOptArg(*pc);
190 if (!strlist) {
191 return -EINVAL;
192 }
193 str = strtok_r(strlist, ",", &strctx);
194 do {
195 if (!strcmp(str, "all"))
196 opt_all_field_names = 1;
197 else if (!strcmp(str, "scope"))
198 opt_scope_field_names = 1;
199 else if (!strcmp(str, "context") || !strcmp(str, "ctx"))
200 opt_context_field_names = 1;
201 else if (!strcmp(str, "header"))
202 opt_header_field_names = 1;
203 else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
204 opt_payload_field_names = 1;
12c9c3bc
MD
205 else if (!strcmp(str, "none")) {
206 opt_all_field_names = 0;
207 opt_scope_field_names = 0;
208 opt_context_field_names = 0;
209 opt_header_field_names = 0;
210 opt_payload_field_names = 0;
211 } else {
359d7456 212 fprintf(stderr, "[error] unknown field name type %s\n", str);
9f2c779c
MD
213 ret = -EINVAL;
214 goto end;
359d7456
MD
215 }
216 } while ((str = strtok_r(NULL, ",", &strctx)));
9f2c779c
MD
217end:
218 free(strlist);
219 return ret;
359d7456
MD
220}
221
222static int get_fields_args(poptContext *pc)
223{
224 char *str, *strlist, *strctx;
9f2c779c 225 int ret = 0;
359d7456 226
359d7456
MD
227 strlist = (char *) poptGetOptArg(*pc);
228 if (!strlist) {
229 return -EINVAL;
230 }
231 str = strtok_r(strlist, ",", &strctx);
232 do {
c3815874 233 opt_trace_default_fields = 0;
359d7456
MD
234 if (!strcmp(str, "all"))
235 opt_all_fields = 1;
82662ad4 236 else if (!strcmp(str, "trace"))
359d7456 237 opt_trace_field = 1;
c3815874
MD
238 else if (!strcmp(str, "trace:hostname"))
239 opt_trace_hostname_field = 1;
8c250d87 240 else if (!strcmp(str, "trace:domain"))
359d7456 241 opt_trace_domain_field = 1;
8c250d87 242 else if (!strcmp(str, "trace:procname"))
359d7456 243 opt_trace_procname_field = 1;
8c250d87 244 else if (!strcmp(str, "trace:vpid"))
359d7456 245 opt_trace_vpid_field = 1;
d86d62f8 246 else if (!strcmp(str, "loglevel"))
359d7456 247 opt_loglevel_field = 1;
f6714e20
MD
248 else if (!strcmp(str, "emf"))
249 opt_emf_field = 1;
f133896d
MD
250 else if (!strcmp(str, "callsite"))
251 opt_callsite_field = 1;
cba1661c 252 else {
359d7456 253 fprintf(stderr, "[error] unknown field type %s\n", str);
9f2c779c
MD
254 ret = -EINVAL;
255 goto end;
cba1661c
MD
256 }
257 } while ((str = strtok_r(NULL, ",", &strctx)));
9f2c779c
MD
258end:
259 free(strlist);
260 return ret;
cba1661c
MD
261}
262
34ac0e6c
MD
263/*
264 * Return 0 if caller should continue, < 0 if caller should return
265 * error, > 0 if caller should exit without reporting error.
266 */
bbefb8dd 267static int parse_options(int argc, char **argv)
34ac0e6c
MD
268{
269 poptContext pc;
270 int opt, ret = 0;
41075e78 271 const char *ipath;
34ac0e6c 272
0f980a35
MD
273 if (argc == 1) {
274 usage(stdout);
275 return 1; /* exit cleanly */
276 }
277
bbefb8dd 278 pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
34ac0e6c
MD
279 poptReadDefaultConfig(pc, 0);
280
cba1661c 281 /* set default */
e505794f 282 opt_context_field_names = 1;
cba1661c
MD
283 opt_payload_field_names = 1;
284
34ac0e6c
MD
285 while ((opt = poptGetNextOpt(pc)) != -1) {
286 switch (opt) {
9fe26ec7
MD
287 case OPT_OUTPUT_PATH:
288 opt_output_path = (char *) poptGetOptArg(pc);
289 if (!opt_output_path) {
290 ret = -EINVAL;
291 goto end;
292 }
293 break;
294 case OPT_INPUT_FORMAT:
295 opt_input_format = (char *) poptGetOptArg(pc);
296 if (!opt_input_format) {
297 ret = -EINVAL;
298 goto end;
299 }
300 break;
301 case OPT_OUTPUT_FORMAT:
302 opt_output_format = (char *) poptGetOptArg(pc);
303 if (!opt_output_format) {
304 ret = -EINVAL;
305 goto end;
306 }
307 break;
34ac0e6c 308 case OPT_HELP:
7fb21036 309 usage(stdout);
34ac0e6c
MD
310 ret = 1; /* exit cleanly */
311 goto end;
7fb21036
MD
312 case OPT_LIST:
313 list_formats(stdout);
314 ret = 1;
315 goto end;
34ac0e6c
MD
316 case OPT_VERBOSE:
317 babeltrace_verbose = 1;
318 break;
cba1661c
MD
319 case OPT_NAMES:
320 if (get_names_args(&pc)) {
321 ret = -EINVAL;
322 goto end;
323 }
324 break;
359d7456
MD
325 case OPT_FIELDS:
326 if (get_fields_args(&pc)) {
327 ret = -EINVAL;
328 goto end;
329 }
330 break;
34ac0e6c
MD
331 case OPT_DEBUG:
332 babeltrace_debug = 1;
333 break;
8d8ed9af 334 case OPT_NO_DELTA:
359d7456 335 opt_delta_field = 0;
8d8ed9af 336 break;
03798a93
JD
337 case OPT_CLOCK_CYCLES:
338 opt_clock_cycles = 1;
11ac6674
MD
339 break;
340 case OPT_CLOCK_OFFSET:
341 {
9f2c779c 342 char *str;
34224260 343 char *endptr;
11ac6674 344
9f2c779c 345 str = (char *) poptGetOptArg(pc);
11ac6674
MD
346 if (!str) {
347 fprintf(stderr, "[error] Missing --clock-offset argument\n");
348 ret = -EINVAL;
349 goto end;
350 }
351 errno = 0;
352 opt_clock_offset = strtoull(str, &endptr, 0);
353 if (*endptr != '\0' || str == endptr || errno != 0) {
354 fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
355 ret = -EINVAL;
9f2c779c 356 free(str);
11ac6674
MD
357 goto end;
358 }
9f2c779c 359 free(str);
11ac6674
MD
360 break;
361 }
362 case OPT_CLOCK_SECONDS:
363 opt_clock_seconds = 1;
364 break;
65923160
IJ
365 case OPT_CLOCK_OFFSET_NS:
366 {
367 char *str;
368 char *endptr;
369
370 str = (char *) poptGetOptArg(pc);
371 if (!str) {
372 fprintf(stderr, "[error] Missing --clock-offset-ns argument\n");
373 ret = -EINVAL;
374 goto end;
375 }
376 errno = 0;
377 opt_clock_offset_ns = strtoull(str, &endptr, 0);
378 if (*endptr != '\0' || str == endptr || errno != 0) {
379 fprintf(stderr, "[error] Incorrect --clock-offset-ns argument: %s\n", str);
380 ret = -EINVAL;
381 free(str);
382 goto end;
383 }
384 free(str);
385 break;
386 }
387
11ac6674
MD
388 case OPT_CLOCK_DATE:
389 opt_clock_date = 1;
390 break;
391 case OPT_CLOCK_GMT:
392 opt_clock_gmt = 1;
393 break;
82ace6d6
MD
394 case OPT_CLOCK_FORCE_CORRELATE:
395 opt_clock_force_correlate = 1;
396 break;
11ac6674 397
34ac0e6c
MD
398 default:
399 ret = -EINVAL;
400 goto end;
401 }
402 }
403
4e85cbfd 404 do {
41075e78 405 ipath = poptGetArg(pc);
4e85cbfd
MD
406 if (ipath)
407 g_ptr_array_add(opt_input_paths, (gpointer) ipath);
408 } while (ipath);
409 if (opt_input_paths->len == 0) {
34ac0e6c
MD
410 ret = -EINVAL;
411 goto end;
412 }
cba1661c 413
34ac0e6c
MD
414end:
415 if (pc) {
416 poptFreeContext(pc);
417 }
418 return ret;
419}
420
a99343cf 421static GPtrArray *traversed_paths = 0;
afb48eae 422
a99343cf
YB
423/*
424 * traverse_trace_dir() is the callback function for File Tree Walk (nftw).
425 * it receives the path of the current entry (file, dir, link..etc) with
426 * a flag to indicate the type of the entry.
427 * if the entry being visited is a directory and contains a metadata file,
428 * then add the path to a global list to be processed later in
429 * add_traces_recursive.
430 */
431static int traverse_trace_dir(const char *fpath, const struct stat *sb,
432 int tflag, struct FTW *ftwbuf)
433{
434 int dirfd, metafd;
435 int closeret;
436
437 if (tflag != FTW_D)
438 return 0;
439
440 dirfd = open(fpath, 0);
441 if (dirfd < 0) {
442 fprintf(stderr, "[error] [Context] Unable to open trace "
443 "directory file descriptor.\n");
444 return 0; /* partial error */
445 }
446 metafd = openat(dirfd, "metadata", O_RDONLY);
447 if (metafd < 0) {
448 closeret = close(dirfd);
449 if (closeret < 0) {
450 perror("close");
451 return -1;
452 }
453 /* No meta data, just return */
454 return 0;
455 } else {
9544a40b
MD
456 int err_close = 0;
457
a99343cf
YB
458 closeret = close(metafd);
459 if (closeret < 0) {
460 perror("close");
9544a40b 461 err_close = 1;
a99343cf
YB
462 }
463 closeret = close(dirfd);
464 if (closeret < 0) {
465 perror("close");
9544a40b
MD
466 err_close = 1;
467 }
468 if (err_close) {
469 return -1;
a99343cf
YB
470 }
471
472 /* Add path to the global list */
473 if (traversed_paths == NULL) {
474 fprintf(stderr, "[error] [Context] Invalid open path array.\n");
475 return -1;
476 }
477 g_ptr_array_add(traversed_paths, g_string_new(fpath));
478 }
479
480 return 0;
481}
d0d82191 482
20d24215
YB
483/*
484 * bt_context_add_traces_recursive: Open a trace recursively
485 *
486 * Find each trace present in the subdirectory starting from the given
613f532b
MD
487 * path, and add them to the context. The packet_seek parameter can be
488 * NULL: this specify to use the default format packet_seek.
20d24215 489 *
b945d4a5 490 * Return: 0 on success, < 0 on failure, > 0 on partial failure.
20d24215 491 * Unable to open toplevel: failure.
b945d4a5
MD
492 * Unable to open some subdirectory or file: warn and continue (partial
493 * failure);
20d24215
YB
494 */
495int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
613f532b 496 const char *format_str,
1cf393f6 497 void (*packet_seek)(struct bt_stream_pos *pos,
613f532b 498 size_t offset, int whence))
20d24215 499{
fd94f11c 500 int ret = 0, trace_ids = 0;
20d24215 501
34d99418
JD
502 if ((strncmp(path, NET4_URL_PREFIX, sizeof(NET4_URL_PREFIX) - 1)) == 0 ||
503 (strncmp(path, NET6_URL_PREFIX, sizeof(NET6_URL_PREFIX) - 1)) == 0 ||
504 (strncmp(path, NET_URL_PREFIX, sizeof(NET_URL_PREFIX) - 1)) == 0) {
505 ret = bt_context_add_trace(ctx,
506 path, format_str, packet_seek, NULL, NULL);
507 if (ret < 0) {
508 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" "
509 "for reading.\n", path);
34d99418
JD
510 }
511 return ret;
512 }
a99343cf 513 /* Should lock traversed_paths mutex here if used in multithread */
20d24215 514
a99343cf 515 traversed_paths = g_ptr_array_new();
a99343cf
YB
516 ret = nftw(path, traverse_trace_dir, 10, 0);
517
518 /* Process the array if ntfw did not return a fatal error */
519 if (ret >= 0) {
08c82b90
MD
520 int i;
521
a99343cf
YB
522 for (i = 0; i < traversed_paths->len; i++) {
523 GString *trace_path = g_ptr_array_index(traversed_paths,
524 i);
525 int trace_id = bt_context_add_trace(ctx,
526 trace_path->str,
527 format_str,
528 packet_seek,
529 NULL,
530 NULL);
20d24215 531 if (trace_id < 0) {
7f89ddce 532 fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s "
a99343cf 533 "for reading.\n", trace_path->str, path);
ca718275 534 /* Allow to skip erroneous traces. */
b945d4a5 535 ret = 1; /* partial error */
a99343cf 536 } else {
fd94f11c 537 trace_ids++;
20d24215 538 }
a99343cf 539 g_string_free(trace_path, TRUE);
20d24215
YB
540 }
541 }
d0d82191 542
a99343cf
YB
543 g_ptr_array_free(traversed_paths, TRUE);
544 traversed_paths = NULL;
545
546 /* Should unlock traversed paths mutex here if used in multithread */
20d24215 547
27cd3890
MD
548 /*
549 * Return an error if no trace can be opened.
550 */
fd94f11c 551 if (trace_ids == 0) {
27cd3890 552 fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
b945d4a5 553 ret = -ENOENT; /* failure */
27cd3890 554 }
20d24215
YB
555 return ret;
556}
a44bc4c9 557
7237592a
MD
558static
559int trace_pre_handler(struct bt_trace_descriptor *td_write,
560 struct bt_context *ctx)
561{
562 struct ctf_text_stream_pos *sout;
563 struct trace_collection *tc;
564 int ret, i;
565
566 sout = container_of(td_write, struct ctf_text_stream_pos,
567 trace_descriptor);
568
569 if (!sout->parent.pre_trace_cb)
570 return 0;
571
572 tc = ctx->tc;
573 for (i = 0; i < tc->array->len; i++) {
574 struct bt_trace_descriptor *td =
575 g_ptr_array_index(tc->array, i);
576
577 ret = sout->parent.pre_trace_cb(&sout->parent, td);
578 if (ret) {
579 fprintf(stderr, "[error] Writing to trace pre handler failed.\n");
580 goto end;
581 }
582 }
583 ret = 0;
584end:
585 return ret;
586}
587
588static
589int trace_post_handler(struct bt_trace_descriptor *td_write,
590 struct bt_context *ctx)
591{
592 struct ctf_text_stream_pos *sout;
593 struct trace_collection *tc;
594 int ret, i;
595
596 sout = container_of(td_write, struct ctf_text_stream_pos,
597 trace_descriptor);
598
599 if (!sout->parent.post_trace_cb)
600 return 0;
601
602 tc = ctx->tc;
603 for (i = 0; i < tc->array->len; i++) {
604 struct bt_trace_descriptor *td =
605 g_ptr_array_index(tc->array, i);
606
607 ret = sout->parent.post_trace_cb(&sout->parent, td);
608 if (ret) {
609 fprintf(stderr, "[error] Writing to trace post handler failed.\n");
610 goto end;
611 }
612 }
613 ret = 0;
614end:
615 return ret;
616}
617
618static
1b8455b7 619int convert_trace(struct bt_trace_descriptor *td_write,
95d36295
JD
620 struct bt_context *ctx)
621{
e4195791 622 struct bt_ctf_iter *iter;
95d36295 623 struct ctf_text_stream_pos *sout;
e8c92a62 624 struct bt_iter_pos begin_pos;
c50d2a7a 625 struct bt_ctf_event *ctf_event;
95d36295
JD
626 int ret;
627
628 sout = container_of(td_write, struct ctf_text_stream_pos,
629 trace_descriptor);
630
7237592a
MD
631 if (!sout->parent.event_cb)
632 return 0;
633
95d36295 634 begin_pos.type = BT_SEEK_BEGIN;
e4195791 635 iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
95d36295
JD
636 if (!iter) {
637 ret = -1;
638 goto error_iter;
639 }
e4195791 640 while ((ctf_event = bt_ctf_iter_read_event(iter))) {
c50d2a7a 641 ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream);
95d36295 642 if (ret) {
3394d22e 643 fprintf(stderr, "[error] Writing event failed.\n");
95d36295
JD
644 goto end;
645 }
e4195791 646 ret = bt_iter_next(bt_ctf_get_iter(iter));
95d36295
JD
647 if (ret < 0)
648 goto end;
649 }
650 ret = 0;
651
652end:
e4195791 653 bt_ctf_iter_destroy(iter);
95d36295
JD
654error_iter:
655 return ret;
656}
657
bbefb8dd 658int main(int argc, char **argv)
34ac0e6c 659{
4e85cbfd 660 int ret, partial_error = 0, open_success = 0;
37b99bdb 661 struct bt_format *fmt_write;
1b8455b7 662 struct bt_trace_descriptor *td_write;
95d36295 663 struct bt_context *ctx;
4e85cbfd
MD
664 int i;
665
666 opt_input_paths = g_ptr_array_new();
34ac0e6c
MD
667
668 ret = parse_options(argc, argv);
669 if (ret < 0) {
3394d22e
MD
670 fprintf(stderr, "Error parsing options.\n\n");
671 usage(stderr);
4e85cbfd 672 g_ptr_array_free(opt_input_paths, TRUE);
34ac0e6c
MD
673 exit(EXIT_FAILURE);
674 } else if (ret > 0) {
4e85cbfd 675 g_ptr_array_free(opt_input_paths, TRUE);
34ac0e6c
MD
676 exit(EXIT_SUCCESS);
677 }
678 printf_verbose("Verbose mode active.\n");
679 printf_debug("Debug mode active.\n");
680
9fe26ec7 681 if (opt_input_format)
bbefb8dd 682 strlower(opt_input_format);
9fe26ec7 683 if (opt_output_format)
bbefb8dd
MD
684 strlower(opt_output_format);
685
4e85cbfd
MD
686 printf_verbose("Converting from directory(ies):\n");
687 for (i = 0; i < opt_input_paths->len; i++) {
688 const char *ipath = g_ptr_array_index(opt_input_paths, i);
689 printf_verbose(" %s\n", ipath);
690 }
34ac0e6c 691 printf_verbose("Converting from format: %s\n",
b61922b5 692 opt_input_format ? : "ctf <default>");
c3e4d5dc 693 printf_verbose("Converting to target: %s\n",
478b6389 694 opt_output_path ? : "<stdout>");
34ac0e6c 695 printf_verbose("Converting to format: %s\n",
b61922b5 696 opt_output_format ? : "text <default>");
bbefb8dd 697
11e1d048
MD
698 if (!opt_input_format) {
699 opt_input_format = strdup("ctf");
700 if (!opt_input_format) {
701 partial_error = 1;
702 goto end;
703 }
704 }
705 if (!opt_output_format) {
706 opt_output_format = strdup("text");
707 if (!opt_output_format) {
708 partial_error = 1;
709 goto end;
710 }
711 }
bbefb8dd 712 fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format));
34d99418 713 if (!fmt_read) {
3394d22e 714 fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n",
bbefb8dd 715 opt_input_format);
11e1d048
MD
716 partial_error = 1;
717 goto end;
bbefb8dd 718 }
bbefb8dd
MD
719 fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format));
720 if (!fmt_write) {
3394d22e 721 fprintf(stderr, "[error] format \"%s\" is not supported.\n\n",
bbefb8dd 722 opt_output_format);
11e1d048
MD
723 partial_error = 1;
724 goto end;
bbefb8dd
MD
725 }
726
6cba487f 727 ctx = bt_context_create();
d63c2d51
JD
728 if (!ctx) {
729 goto error_td_read;
730 }
6cba487f 731
4e85cbfd
MD
732 for (i = 0; i < opt_input_paths->len; i++) {
733 const char *ipath = g_ptr_array_index(opt_input_paths, i);
734 ret = bt_context_add_traces_recursive(ctx, ipath,
735 opt_input_format, NULL);
736 if (ret < 0) {
737 fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n",
738 ipath);
739 } else if (ret > 0) {
740 fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n",
741 ipath);
742 open_success = 1; /* some traces were OK */
743 partial_error = 1;
744 } else {
745 open_success = 1; /* all traces were OK */
746 }
747 }
748 if (!open_success) {
749 fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n");
bbefb8dd
MD
750 goto error_td_read;
751 }
6cba487f 752
5b80ddfb 753 td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL);
bbefb8dd 754 if (!td_write) {
3394d22e 755 fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n",
b61922b5 756 opt_output_path ? : "<none>");
bbefb8dd
MD
757 goto error_td_write;
758 }
847bf71a 759
24d5af5b
MD
760 /*
761 * Errors happened when opening traces, but we continue anyway.
762 * sleep to let user see the stderr output before stdout.
763 */
4e85cbfd 764 if (partial_error)
24d5af5b 765 sleep(PARTIAL_ERROR_SLEEP);
24d5af5b 766
7237592a
MD
767 ret = trace_pre_handler(td_write, ctx);
768 if (ret) {
769 fprintf(stderr, "Error in trace pre handle.\n\n");
770 goto error_copy_trace;
771 }
772
34d99418
JD
773 /* For now, we support only CTF iterators */
774 if (fmt_read->name == g_quark_from_static_string("ctf")) {
775 ret = convert_trace(td_write, ctx);
776 if (ret) {
777 fprintf(stderr, "Error printing trace.\n\n");
778 goto error_copy_trace;
779 }
46322b33 780 }
847bf71a 781
7237592a
MD
782 ret = trace_post_handler(td_write, ctx);
783 if (ret) {
784 fprintf(stderr, "Error in trace post handle.\n\n");
785 goto error_copy_trace;
786 }
787
bbefb8dd 788 fmt_write->close_trace(td_write);
6cba487f
MD
789
790 bt_context_put(ctx);
afb48eae
AA
791 printf_verbose("finished converting. Output written to:\n%s\n",
792 opt_output_path ? : "<stdout>");
11e1d048 793 goto end;
34ac0e6c 794
bbefb8dd 795 /* Error handling */
46322b33 796error_copy_trace:
bbefb8dd
MD
797 fmt_write->close_trace(td_write);
798error_td_write:
6cba487f 799 bt_context_put(ctx);
bbefb8dd 800error_td_read:
11e1d048
MD
801 partial_error = 1;
802
803 /* teardown and exit */
804end:
805 free(opt_input_format);
806 free(opt_output_format);
9fe26ec7 807 free(opt_output_path);
4e85cbfd 808 g_ptr_array_free(opt_input_paths, TRUE);
11e1d048
MD
809 if (partial_error)
810 exit(EXIT_FAILURE);
811 else
812 exit(EXIT_SUCCESS);
4c8bfb7e 813}
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