43 lines
1006 B
Plaintext
43 lines
1006 B
Plaintext
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#! @PATH_PERL@ -w
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die "perl5 needed\n" unless ($] > 5);
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use Getopt::Std;
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$opt_f = 0; # 'Hard' failure if 'state' is unknown
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$opt_n = 1000; # How many tries before we give up? (10 min+)
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$opt_s = 6; # Seconds to sleep between tries (6s = 10/min)
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$opt_v = 0; # Be verbose?
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getopts('fn:s:v');
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$cmd = 'ntpq -c "rv 0 state"';
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$| = 1; # Autoflush output.
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print "Waiting for ntpd to synchronize..." if ($opt_v);
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for ($i = 0; $i < $opt_n; ++$i) {
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open(Q, $cmd." 2>&1 |") || die "Can't start ntpq: $!";
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while(<Q>) {
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if (/^state=4/) {
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print " OK!\n" if ($opt_v);
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exit 0;
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}
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if (/request variable was unknown/) {
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print " Can't tell!\nPerhaps you are running an old version of ntpd.\n" if ($opt_v);
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exit $opt_f;
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}
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if (/Connection refused/) {
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print " ntpd is not running!\n" if ($opt_v);
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exit 1;
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}
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}
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close(Q);
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print substr("*+:.", $i % 4, 1) if ($opt_v);
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sleep($opt_s);
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}
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print " No!\nntpd did not synchronize.\n" if ($opt_v);
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exit 1;
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