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1 | /* | |
2 | * Copyright (C) 2008, Karel Zak <kzak@redhat.com> | |
3 | * Copyright (C) 2008, James Youngman <jay@gnu.org> | |
4 | * | |
5 | * This file is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This file is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * | |
16 | * Based on scriptreplay.pl by Joey Hess <joey@kitenet.net> | |
17 | */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <stdarg.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <errno.h> | |
24 | #include <time.h> | |
25 | #include <limits.h> | |
26 | #include <math.h> | |
27 | #include <sys/select.h> | |
28 | #include <unistd.h> | |
29 | #include <getopt.h> | |
30 | ||
31 | ||
32 | #include "c.h" | |
33 | #include "debug.h" | |
34 | #include "xalloc.h" | |
35 | #include "closestream.h" | |
36 | #include "nls.h" | |
37 | #include "strutils.h" | |
38 | #include "optutils.h" | |
39 | ||
40 | static UL_DEBUG_DEFINE_MASK(scriptreplay); | |
41 | UL_DEBUG_DEFINE_MASKNAMES(scriptreplay) = UL_DEBUG_EMPTY_MASKNAMES; | |
42 | ||
43 | #define SCRIPTREPLAY_DEBUG_INIT (1 << 1) | |
44 | #define SCRIPTREPLAY_DEBUG_TIMING (1 << 2) | |
45 | #define SCRIPTREPLAY_DEBUG_LOG (1 << 3) | |
46 | #define SCRIPTREPLAY_DEBUG_MISC (1 << 4) | |
47 | #define SCRIPTREPLAY_DEBUG_ALL 0xFFFF | |
48 | ||
49 | #define DBG(m, x) __UL_DBG(scriptreplay, SCRIPTREPLAY_DEBUG_, m, x) | |
50 | #define ON_DBG(m, x) __UL_DBG_CALL(scriptreplay, SCRIPTREPLAY_DEBUG_, m, x) | |
51 | ||
52 | #define SCRIPT_MIN_DELAY 0.0001 /* from original sripreplay.pl */ | |
53 | ||
54 | /* | |
55 | * The script replay is driven by timing file where each entry describes one | |
56 | * step in the replay. The timing step may refer input or output (or | |
57 | * signal, extra informations, etc.) | |
58 | * | |
59 | * The step data are stored in log files, the right log file for the step is | |
60 | * selected from replay_setup. | |
61 | * | |
62 | * TODO: move struct replay_{log,step,setup} to script-playutils.c to make it | |
63 | * usable for scriptlive(1) code. | |
64 | */ | |
65 | ||
66 | enum { | |
67 | REPLAY_TIMING_SIMPLE, /* timing info in classic "<delta> <offset>" format */ | |
68 | REPLAY_TIMING_MULTI /* multiple streams in format "<type> <delta> <offset|etc> */ | |
69 | }; | |
70 | ||
71 | /* CR to '\n' mode */ | |
72 | enum { | |
73 | REPLAY_CRMODE_AUTO = 0, | |
74 | REPLAY_CRMODE_NEVER, | |
75 | REPLAY_CRMODE_ALWAYS | |
76 | }; | |
77 | ||
78 | struct replay_log { | |
79 | const char *streams; /* 'I'nput, 'O'utput or both */ | |
80 | const char *filename; | |
81 | FILE *fp; | |
82 | }; | |
83 | ||
84 | struct replay_step { | |
85 | char type; /* 'I'nput, 'O'utput, ... */ | |
86 | double delay; | |
87 | size_t size; | |
88 | ||
89 | struct replay_log *data; | |
90 | }; | |
91 | ||
92 | struct replay_setup { | |
93 | struct replay_log *logs; | |
94 | size_t nlogs; | |
95 | ||
96 | struct replay_step step; /* current step */ | |
97 | ||
98 | FILE *timing_fp; | |
99 | const char *timing_filename; | |
100 | int timing_format; | |
101 | int timing_line; | |
102 | ||
103 | char default_type; /* type for REPLAY_TIMING_SIMPLE */ | |
104 | int crmode; | |
105 | }; | |
106 | ||
107 | static void scriptreplay_init_debug(void) | |
108 | { | |
109 | __UL_INIT_DEBUG_FROM_ENV(scriptreplay, SCRIPTREPLAY_DEBUG_, 0, SCRIPTREPLAY_DEBUG); | |
110 | } | |
111 | ||
112 | static int ignore_line(FILE *f) | |
113 | { | |
114 | int c; | |
115 | ||
116 | while((c = fgetc(f)) != EOF && c != '\n'); | |
117 | if (ferror(f)) | |
118 | return -errno; | |
119 | ||
120 | DBG(LOG, ul_debug(" ignore line")); | |
121 | return 0; | |
122 | } | |
123 | ||
124 | /* if timing file does not contains types of entries (old format) than use this | |
125 | * type as the default */ | |
126 | static int replay_set_default_type(struct replay_setup *stp, char type) | |
127 | { | |
128 | assert(stp); | |
129 | stp->default_type = type; | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
134 | static int replay_set_crmode(struct replay_setup *stp, int mode) | |
135 | { | |
136 | assert(stp); | |
137 | stp->crmode = mode; | |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
142 | static int replay_set_timing_file(struct replay_setup *stp, const char *filename) | |
143 | { | |
144 | int c, rc = 0; | |
145 | ||
146 | assert(stp); | |
147 | assert(filename); | |
148 | ||
149 | stp->timing_filename = filename; | |
150 | stp->timing_line = 0; | |
151 | ||
152 | stp->timing_fp = fopen(filename, "r"); | |
153 | if (!stp->timing_fp) | |
154 | rc = -errno; | |
155 | else { | |
156 | /* detect timing file format */ | |
157 | c = fgetc(stp->timing_fp); | |
158 | if (c != EOF) { | |
159 | if (isdigit((unsigned int) c)) | |
160 | stp->timing_format = REPLAY_TIMING_SIMPLE; | |
161 | else | |
162 | stp->timing_format = REPLAY_TIMING_MULTI; | |
163 | ungetc(c, stp->timing_fp); | |
164 | } else if (ferror(stp->timing_fp)) | |
165 | rc = -errno; | |
166 | } | |
167 | ||
168 | if (rc && stp->timing_fp) { | |
169 | fclose(stp->timing_fp); | |
170 | stp->timing_fp = NULL; | |
171 | } | |
172 | ||
173 | DBG(TIMING, ul_debug("timing file set to '%s' [rc=%d]", filename, rc)); | |
174 | return rc; | |
175 | } | |
176 | ||
177 | static int replay_associate_log(struct replay_setup *stp, | |
178 | const char *streams, const char *filename) | |
179 | { | |
180 | struct replay_log *log; | |
181 | int rc; | |
182 | ||
183 | assert(stp); | |
184 | assert(streams); | |
185 | assert(filename); | |
186 | ||
187 | stp->logs = xrealloc(stp->logs, (stp->nlogs + 1) * sizeof(*log)); | |
188 | log = &stp->logs[stp->nlogs]; | |
189 | stp->nlogs++; | |
190 | ||
191 | log->filename = filename; | |
192 | log->streams = streams; | |
193 | ||
194 | /* open the file and skip the first line */ | |
195 | log->fp = fopen(filename, "r"); | |
196 | rc = log->fp == NULL ? -errno : ignore_line(log->fp); | |
197 | ||
198 | DBG(LOG, ul_debug("accociate log file '%s' with '%s' [rc=%d]", filename, streams, rc)); | |
199 | return rc; | |
200 | } | |
201 | ||
202 | static int is_wanted_stream(char type, const char *streams) | |
203 | { | |
204 | if (streams == NULL) | |
205 | return 1; | |
206 | if (strchr(streams, type)) | |
207 | return 1; | |
208 | return 0; | |
209 | } | |
210 | ||
211 | static int read_multistream_step(struct replay_step *step, FILE *f, char type) | |
212 | { | |
213 | int rc = 0; | |
214 | char nl; | |
215 | ||
216 | switch (type) { | |
217 | case 'O': /* output */ | |
218 | case 'I': /* input */ | |
219 | rc = fscanf(f, "%lf %zu%c\n", &step->delay, &step->size, &nl); | |
220 | if (rc != 3 || nl != '\n') | |
221 | rc = -EINVAL; | |
222 | else | |
223 | rc = 0; | |
224 | break; | |
225 | ||
226 | case 'S': /* signal */ | |
227 | rc = ignore_line(f); /* not implemnted yet */ | |
228 | break; | |
229 | ||
230 | case 'H': /* header */ | |
231 | rc = ignore_line(f); /* not implemnted yet */ | |
232 | break; | |
233 | default: | |
234 | break; | |
235 | } | |
236 | ||
237 | DBG(TIMING, ul_debug(" read step delay & size [rc=%d]", rc)); | |
238 | return rc; | |
239 | } | |
240 | ||
241 | static struct replay_log *replay_get_stream_log(struct replay_setup *stp, char stream) | |
242 | { | |
243 | size_t i; | |
244 | ||
245 | for (i = 0; i < stp->nlogs; i++) { | |
246 | struct replay_log *log = &stp->logs[i]; | |
247 | ||
248 | if (is_wanted_stream(stream, log->streams)) | |
249 | return log; | |
250 | } | |
251 | return NULL; | |
252 | } | |
253 | ||
254 | static int replay_seek_log(struct replay_log *log, size_t move) | |
255 | { | |
256 | DBG(LOG, ul_debug(" %s: seek ++ %zu", log->filename, move)); | |
257 | return fseek(log->fp, move, SEEK_CUR) == (off_t) -1 ? -errno : 0; | |
258 | } | |
259 | ||
260 | /* returns next step with pointer to the right log file for specified streams (e.g. | |
261 | * "IOS" for in/out/signals) or all streams if stream is NULL. | |
262 | * | |
263 | * returns: 0 = success, <0 = error, 1 = done (EOF) | |
264 | */ | |
265 | static int replay_get_next_step(struct replay_setup *stp, char *streams, struct replay_step **xstep) | |
266 | { | |
267 | struct replay_step *step; | |
268 | int rc; | |
269 | double ignored_delay = 0; | |
270 | ||
271 | assert(stp); | |
272 | assert(stp->timing_fp); | |
273 | assert(xstep && *xstep); | |
274 | ||
275 | step = &stp->step; | |
276 | *xstep = NULL; | |
277 | ||
278 | do { | |
279 | struct replay_log *log = NULL; | |
280 | ||
281 | rc = 1; /* done */ | |
282 | if (feof(stp->timing_fp)) | |
283 | break; | |
284 | ||
285 | DBG(TIMING, ul_debug("reading next step")); | |
286 | ||
287 | memset(step, 0, sizeof(*step)); | |
288 | stp->timing_line++; | |
289 | ||
290 | switch (stp->timing_format) { | |
291 | case REPLAY_TIMING_SIMPLE: | |
292 | /* old format is the same as new format, but without <type> prefix */ | |
293 | rc = read_multistream_step(step, stp->timing_fp, stp->default_type); | |
294 | if (rc == 0) | |
295 | step->type = stp->default_type; | |
296 | break; | |
297 | case REPLAY_TIMING_MULTI: | |
298 | rc = fscanf(stp->timing_fp, "%c ", &step->type); | |
299 | if (rc != 1) | |
300 | rc = -EINVAL; | |
301 | else | |
302 | rc = read_multistream_step(step, | |
303 | stp->timing_fp, | |
304 | step->type); | |
305 | break; | |
306 | } | |
307 | ||
308 | if (rc) | |
309 | break;; /* error */ | |
310 | ||
311 | DBG(TIMING, ul_debug(" step entry is '%c'", step->type)); | |
312 | ||
313 | log = replay_get_stream_log(stp, step->type); | |
314 | if (log) { | |
315 | if (is_wanted_stream(step->type, streams)) { | |
316 | step->data = log; | |
317 | *xstep = step; | |
318 | DBG(LOG, ul_debug(" use %s as data source", log->filename)); | |
319 | goto done; | |
320 | } | |
321 | /* The step entry is unwanted, but we keep the right | |
322 | * position in the log file although the data are ignored. | |
323 | */ | |
324 | replay_seek_log(log, step->size); | |
325 | } else | |
326 | DBG(TIMING, ul_debug(" not found log for '%c' stream", step->type)); | |
327 | ||
328 | DBG(TIMING, ul_debug(" ignore step '%c' [delay=%f]", | |
329 | step->type, step->delay)); | |
330 | ignored_delay += step->delay; | |
331 | } while (rc == 0); | |
332 | ||
333 | done: | |
334 | if (ignored_delay) | |
335 | step->delay += ignored_delay; | |
336 | ||
337 | DBG(TIMING, ul_debug("reading next step done [rc=%d delay=%f (ignored=%f) size=%zu]", | |
338 | rc, step->delay, ignored_delay, step->size)); | |
339 | return rc; | |
340 | } | |
341 | ||
342 | /* return: 0 = success, <0 = error, 1 = done (EOF) */ | |
343 | static int replay_emit_step_data(struct replay_setup *stp, struct replay_step *step, int fd) | |
344 | { | |
345 | size_t ct; | |
346 | int rc = 0, cr2nl = 0; | |
347 | char buf[BUFSIZ]; | |
348 | ||
349 | assert(stp); | |
350 | assert(step); | |
351 | assert(step->size); | |
352 | assert(step->data); | |
353 | assert(step->data->fp); | |
354 | ||
355 | switch (stp->crmode) { | |
356 | case REPLAY_CRMODE_AUTO: | |
357 | if (step->type == 'I') | |
358 | cr2nl = 1; | |
359 | break; | |
360 | case REPLAY_CRMODE_NEVER: | |
361 | cr2nl = 0; | |
362 | break; | |
363 | case REPLAY_CRMODE_ALWAYS: | |
364 | cr2nl = 1; | |
365 | break; | |
366 | } | |
367 | ||
368 | for (ct = step->size; ct > 0; ) { | |
369 | size_t len, cc; | |
370 | ||
371 | cc = ct > sizeof(buf) ? sizeof(buf): ct; | |
372 | len = fread(buf, 1, cc, step->data->fp); | |
373 | ||
374 | if (!len) { | |
375 | DBG(LOG, ul_debug("log data emit: failed to read log %m")); | |
376 | break; | |
377 | } | |
378 | ||
379 | if (cr2nl) { | |
380 | size_t i; | |
381 | ||
382 | for (i = 0; i < len; i++) { | |
383 | if (buf[i] == 0x0D) | |
384 | buf[i] = '\n'; | |
385 | } | |
386 | } | |
387 | ||
388 | ct -= len; | |
389 | cc = write(fd, buf, len); | |
390 | if (cc != len) { | |
391 | rc = -errno; | |
392 | DBG(LOG, ul_debug("log data emit: failed write data %m")); | |
393 | break; | |
394 | } | |
395 | } | |
396 | ||
397 | if (ct && ferror(step->data->fp)) | |
398 | rc = -errno; | |
399 | if (ct && feof(step->data->fp)) | |
400 | rc = 1; | |
401 | ||
402 | DBG(LOG, ul_debug("log data emited [rc=%d size=%zu]", rc, step->size)); | |
403 | return rc; | |
404 | } | |
405 | ||
406 | static void __attribute__((__noreturn__)) | |
407 | usage(void) | |
408 | { | |
409 | FILE *out = stdout; | |
410 | fputs(USAGE_HEADER, out); | |
411 | fprintf(out, | |
412 | _(" %s [options]\n"), | |
413 | program_invocation_short_name); | |
414 | fprintf(out, | |
415 | _(" %s [-t] timingfile [typescript] [divisor]\n"), | |
416 | program_invocation_short_name); | |
417 | ||
418 | fputs(USAGE_SEPARATOR, out); | |
419 | fputs(_("Play back terminal typescripts, using timing information.\n"), out); | |
420 | ||
421 | fputs(USAGE_OPTIONS, out); | |
422 | fputs(_(" -t, --timing <file> script timing log file\n"), out); | |
423 | fputs(_(" -I, --log-in <file> script stdin log file\n"), out); | |
424 | fputs(_(" -O, --log-out <file> script stdout log file (default)\n"), out); | |
425 | fputs(_(" -B, --log-io <file> script stdin and stdout log file\n"), out); | |
426 | fputs(_(" -s, --typescript <file> deprecated alist to -O\n"), out); | |
427 | ||
428 | fputs(USAGE_SEPARATOR, out); | |
429 | fputs(_(" -d, --divisor <num> speed up or slow down execution with time divisor\n"), out); | |
430 | fputs(_(" -m, --maxdelay <num> wait at most this many seconds between updates\n"), out); | |
431 | fputs(_(" -x, --stream <name> stream type (out, in or signal)\n"), out); | |
432 | fputs(_(" -c, --cr-mode <type> CR char mode (auto, never, always)\n"), out); | |
433 | printf(USAGE_HELP_OPTIONS(25)); | |
434 | ||
435 | printf(USAGE_MAN_TAIL("scriptreplay(1)")); | |
436 | exit(EXIT_SUCCESS); | |
437 | } | |
438 | ||
439 | static double | |
440 | getnum(const char *s) | |
441 | { | |
442 | const double d = strtod_or_err(s, _("failed to parse number")); | |
443 | ||
444 | if (isnan(d)) { | |
445 | errno = EINVAL; | |
446 | err(EXIT_FAILURE, "%s: %s", _("failed to parse number"), s); | |
447 | } | |
448 | return d; | |
449 | } | |
450 | ||
451 | static void | |
452 | delay_for(double delay) | |
453 | { | |
454 | #ifdef HAVE_NANOSLEEP | |
455 | struct timespec ts, remainder; | |
456 | ts.tv_sec = (time_t) delay; | |
457 | ts.tv_nsec = (delay - ts.tv_sec) * 1.0e9; | |
458 | ||
459 | DBG(TIMING, ul_debug("going to sleep for %fs", delay)); | |
460 | ||
461 | while (-1 == nanosleep(&ts, &remainder)) { | |
462 | if (EINTR == errno) | |
463 | ts = remainder; | |
464 | else | |
465 | break; | |
466 | } | |
467 | #else | |
468 | struct timeval tv; | |
469 | tv.tv_sec = (long) delay; | |
470 | tv.tv_usec = (delay - tv.tv_sec) * 1.0e6; | |
471 | select(0, NULL, NULL, NULL, &tv); | |
472 | #endif | |
473 | } | |
474 | ||
475 | static void appendchr(char *buf, size_t bufsz, int c) | |
476 | { | |
477 | size_t sz; | |
478 | ||
479 | if (strchr(buf, c)) | |
480 | return; /* already in */ | |
481 | ||
482 | sz = strlen(buf); | |
483 | if (sz + 1 < bufsz) | |
484 | buf[sz] = c; | |
485 | } | |
486 | ||
487 | int | |
488 | main(int argc, char *argv[]) | |
489 | { | |
490 | struct replay_setup setup = { .nlogs = 0 }; | |
491 | struct replay_step *step; | |
492 | char streams[6] = {0}; /* IOSI - in, out, signal,info */ | |
493 | const char *log_out = NULL, | |
494 | *log_in = NULL, | |
495 | *log_io = NULL, | |
496 | *log_tm = NULL; | |
497 | double divi = 1, maxdelay = 0; | |
498 | int diviopt = FALSE, maxdelayopt = FALSE, idx; | |
499 | int ch, rc, crmode = REPLAY_CRMODE_AUTO; | |
500 | ||
501 | static const struct option longopts[] = { | |
502 | { "cr-mode", required_argument, 0, 'c' }, | |
503 | { "timing", required_argument, 0, 't' }, | |
504 | { "log-in", required_argument, 0, 'I'}, | |
505 | { "log-out", required_argument, 0, 'O'}, | |
506 | { "log-io", required_argument, 0, 'B'}, | |
507 | { "typescript", required_argument, 0, 's' }, | |
508 | { "divisor", required_argument, 0, 'd' }, | |
509 | { "maxdelay", required_argument, 0, 'm' }, | |
510 | { "stream", required_argument, 0, 'x' }, | |
511 | { "version", no_argument, 0, 'V' }, | |
512 | { "help", no_argument, 0, 'h' }, | |
513 | { NULL, 0, 0, 0 } | |
514 | }; | |
515 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ | |
516 | { 'O', 's' }, | |
517 | { 0 } | |
518 | }; | |
519 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
520 | /* Because we use space as a separator, we can't afford to use any | |
521 | * locale which tolerates a space in a number. In any case, script.c | |
522 | * sets the LC_NUMERIC locale to C, anyway. | |
523 | */ | |
524 | setlocale(LC_ALL, ""); | |
525 | setlocale(LC_NUMERIC, "C"); | |
526 | ||
527 | bindtextdomain(PACKAGE, LOCALEDIR); | |
528 | textdomain(PACKAGE); | |
529 | close_stdout_atexit(); | |
530 | ||
531 | scriptreplay_init_debug(); | |
532 | ||
533 | while ((ch = getopt_long(argc, argv, "B:c:I:O:t:s:d:m:x:Vh", longopts, NULL)) != -1) { | |
534 | ||
535 | err_exclusive_options(ch, longopts, excl, excl_st); | |
536 | ||
537 | switch(ch) { | |
538 | case 'c': | |
539 | if (strcmp("auto", optarg) == 0) | |
540 | crmode = REPLAY_CRMODE_AUTO; | |
541 | else if (strcmp("never", optarg) == 0) | |
542 | crmode = REPLAY_CRMODE_NEVER; | |
543 | else if (strcmp("always", optarg) == 0) | |
544 | crmode = REPLAY_CRMODE_ALWAYS; | |
545 | else | |
546 | errx(EXIT_FAILURE, _("unsupported mode name: '%s'"), optarg); | |
547 | break; | |
548 | case 't': | |
549 | log_tm = optarg; | |
550 | break; | |
551 | case 'O': | |
552 | case 's': | |
553 | log_out = optarg; | |
554 | break; | |
555 | case 'I': | |
556 | log_in = optarg; | |
557 | break; | |
558 | case 'B': | |
559 | log_io = optarg; | |
560 | break; | |
561 | case 'd': | |
562 | diviopt = TRUE; | |
563 | divi = getnum(optarg); | |
564 | break; | |
565 | case 'm': | |
566 | maxdelayopt = TRUE; | |
567 | maxdelay = getnum(optarg); | |
568 | break; | |
569 | case 'x': | |
570 | if (strcmp("in", optarg) == 0) | |
571 | appendchr(streams, sizeof(streams), 'I'); | |
572 | else if (strcmp("out", optarg) == 0) | |
573 | appendchr(streams, sizeof(streams), 'O'); | |
574 | else if (strcmp("signal", optarg) == 0) | |
575 | appendchr(streams, sizeof(streams), 'S'); | |
576 | else | |
577 | errx(EXIT_FAILURE, _("unsupported stream name: '%s'"), optarg); | |
578 | break; | |
579 | case 'V': | |
580 | print_version(EXIT_SUCCESS); | |
581 | case 'h': | |
582 | usage(); | |
583 | default: | |
584 | errtryhelp(EXIT_FAILURE); | |
585 | } | |
586 | } | |
587 | argc -= optind; | |
588 | argv += optind; | |
589 | idx = 0; | |
590 | ||
591 | if ((argc < 1 && !(log_out || log_in || log_io)) || argc > 3) { | |
592 | warnx(_("wrong number of arguments")); | |
593 | errtryhelp(EXIT_FAILURE); | |
594 | } | |
595 | if (!log_tm) | |
596 | log_tm = argv[idx++]; | |
597 | if (!log_out && !log_in && !log_io) | |
598 | log_out = idx < argc ? argv[idx++] : "typescript"; | |
599 | ||
600 | if (!diviopt) | |
601 | divi = idx < argc ? getnum(argv[idx]) : 1; | |
602 | if (maxdelay < 0) | |
603 | maxdelay = 0; | |
604 | ||
605 | if (replay_set_timing_file(&setup, log_tm) != 0) | |
606 | err(EXIT_FAILURE, _("cannot open %s"), log_tm); | |
607 | ||
608 | if (log_out && replay_associate_log(&setup, "O", log_out) != 0) | |
609 | err(EXIT_FAILURE, _("cannot open %s"), log_out); | |
610 | ||
611 | if (log_in && replay_associate_log(&setup, "I", log_in) != 0) | |
612 | err(EXIT_FAILURE, _("cannot open %s"), log_in); | |
613 | ||
614 | if (log_io && replay_associate_log(&setup, "IO", log_io) != 0) | |
615 | err(EXIT_FAILURE, _("cannot open %s"), log_io); | |
616 | ||
617 | if (!*streams) { | |
618 | /* output is prefered default */ | |
619 | if (log_out || log_io) | |
620 | appendchr(streams, sizeof(streams), 'O'); | |
621 | else if (log_in) | |
622 | appendchr(streams, sizeof(streams), 'I'); | |
623 | } | |
624 | ||
625 | replay_set_default_type(&setup, | |
626 | *streams && streams[1] == '\0' ? *streams : 'O'); | |
627 | replay_set_crmode(&setup, crmode); | |
628 | ||
629 | do { | |
630 | rc = replay_get_next_step(&setup, streams, &step); | |
631 | if (rc) | |
632 | break; | |
633 | ||
634 | step->delay /= divi; | |
635 | if (maxdelayopt && step->delay > maxdelay) | |
636 | step->delay = maxdelay; | |
637 | if (step->delay > SCRIPT_MIN_DELAY) | |
638 | delay_for(step->delay); | |
639 | ||
640 | rc = replay_emit_step_data(&setup, step, STDOUT_FILENO); | |
641 | } while (rc == 0); | |
642 | ||
643 | if (step && rc < 0) | |
644 | err(EXIT_FAILURE, _("%s: log file error"), step->data->filename); | |
645 | else if (rc < 0) | |
646 | err(EXIT_FAILURE, _("%s: line %d: timing file error"), | |
647 | setup.timing_filename, | |
648 | setup.timing_line); | |
649 | printf("\n"); | |
650 | exit(EXIT_SUCCESS); | |
651 | } |