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scriptreplay: Add --maxdelay option. 

This option caps the delay between updates, to avoid long pauses in
transcript playback.

Signed-off-by: Jesper Dahl Nyerup <nyerup@one.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Jesper Dahl Nyerup 2014-02-10 11:53:18 +01:00 committed by Karel Zak
parent 0c6dc4b99f
commit 7f1d483638
2 changed files with 20 additions and 4 deletions
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6
term-utils/scriptreplay.1
View File

@ -56,6 +56,12 @@ Speed up the replay displaying this
of times. The argument is a floating point number. It's called divisor
because it divides the timings by this factor.
.TP
.BR \-m , " \-\-maxdelay " \fInumber\fR
Set the maximal delay between transcript updates to
.I number
seconds. The argument is a floating point number. This can be used to
avoid long pauses in the transcript replay.
.TP
.BR \-V , " \-\-version"
Display version information and exit.
.TP

18
term-utils/scriptreplay.c
View File

@ -46,6 +46,7 @@ usage(FILE *out)
fputs(_(" -t, --timing <file> script timing output file\n"
" -s, --typescript <file> script terminal session output file\n"
" -d, --divisor <num> speed up or slow down execution with time divisor\n"
" -m, --maxdelay <num> wait at most this many seconds between updates\n"
" -V, --version output version information and exit\n"
" -h, --help display this help and exit\n\n"), out);
@ -130,8 +131,8 @@ main(int argc, char *argv[])
{
FILE *tfile, *sfile;
const char *sname = NULL, *tname = NULL;
double divi = 1;
int c, diviopt = FALSE, idx;
double divi = 1, maxdelay = 0;
int c, diviopt = FALSE, maxdelayopt = FALSE, idx;
unsigned long line;
size_t oldblk = 0;
char ch;
@ -140,6 +141,7 @@ main(int argc, char *argv[])
{ "timing", required_argument, 0, 't' },
{ "typescript", required_argument, 0, 's' },
{ "divisor", required_argument, 0, 'd' },
{ "maxdelay", required_argument, 0, 'm' },
{ "version", no_argument, 0, 'V' },
{ "help", no_argument, 0, 'h' },
{ NULL, 0, 0, 0 }
@ -156,7 +158,7 @@ main(int argc, char *argv[])
textdomain(PACKAGE);
atexit(close_stdout);
while ((ch = getopt_long(argc, argv, "t:s:d:Vh", longopts, NULL)) != -1)
while ((ch = getopt_long(argc, argv, "t:s:d:m:Vh", longopts, NULL)) != -1)
switch(ch) {
case 't':
tname = optarg;
@ -168,6 +170,10 @@ main(int argc, char *argv[])
diviopt = TRUE;
divi = getnum(optarg);
break;
case 'm':
maxdelayopt = TRUE;
maxdelay = getnum(optarg);
break;
case 'V':
printf(_("%s from %s\n"), program_invocation_short_name,
PACKAGE_STRING);
@ -191,7 +197,8 @@ main(int argc, char *argv[])
sname = idx < argc ? argv[idx++] : "typescript";
if (!diviopt)
divi = idx < argc ? getnum(argv[idx]) : 1;
if (maxdelay < 0)
maxdelay = 0;
tfile = fopen(tname, "r");
if (!tfile)
err(EXIT_FAILURE, _("cannot open %s"), tname);
@ -219,6 +226,9 @@ main(int argc, char *argv[])
}
delay /= divi;
if (maxdelayopt && delay > maxdelay)
delay = maxdelay;
if (delay > SCRIPT_MIN_DELAY)
delay_for(delay);