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package Time::Available; |
package Time::Available; |
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use 5.008001; |
use 5.001; |
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use strict; |
use strict; |
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use warnings; |
use warnings; |
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our @ISA = qw(Exporter); |
our @ISA = qw(Exporter); |
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# Items to export into callers namespace by default. Note: do not export |
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# names by default without a very good reason. Use EXPORT_OK instead. |
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# Do not simply export all your public functions/methods/constants. |
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# This allows declaration use Time::Available ':all'; |
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# If you do not need this, moving things directly into @EXPORT or @EXPORT_OK |
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# will save memory. |
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our %EXPORT_TAGS = ( |
our %EXPORT_TAGS = ( |
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'days' => [ qw( |
'days' => [ qw( |
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DAY_MONDAY |
DAY_MONDAY |
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DAY_WEEKDAY |
DAY_WEEKDAY |
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DAY_WEEKEND |
DAY_WEEKEND |
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DAY_EVERYDAY |
DAY_EVERYDAY |
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) ] |
) ], |
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'fmt_interval' => [ qw(fmt_interval) ] |
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); |
); |
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'days'} } ); |
our @EXPORT_OK = ( |
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@{ $EXPORT_TAGS{'days'} }, |
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@{ $EXPORT_TAGS{'fmt_interval'} } |
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); |
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our @EXPORT = qw( |
our @EXPORT; # don't export anything by default! |
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); |
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our $VERSION = '0.01'; |
our $VERSION = '0.01'; |
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# this sub (originally from Time::Avail) will return if day is applicable |
# this sub (originally from Time::Avail) will return if day is applicable |
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# |
# |
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sub _dayOk($$) { |
sub _dayOk($) { |
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my $self = shift; |
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my $day = shift || return; |
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my( $dayMask, $day ) = @_; # get parameters |
my $dayMask = $self->{dayMask}; |
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my $dayOk = 0; |
my $dayOk = 0; |
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my $time = shift || die "need uptime timestamp to calcualte uptime"; |
my $time = shift || die "need uptime timestamp to calcualte uptime"; |
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# calculate offset -- that is number of seconds since midnight |
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my @lt = localtime($time); |
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my $offset = $lt[2]; # hour |
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$offset *= 60; # convert to minutes |
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$offset += $lt[1]; # minutes |
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$offset *= 60; # convert to seconds |
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$offset += $lt[0]; |
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# check if day falls into dayMask |
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return 0 if (! $self->_dayOk($lt[6]) ); |
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my $s=0; |
my $s=0; |
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my $start = $self->{start}; |
my $start = $self->{start}; |
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my $end = $self->{end}; |
my $end = $self->{end}; |
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print STDERR "start: $start end: $end time: $time\n" if ($debug); |
print STDERR "start: $start end: $end time: $offset\n" if ($debug); |
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if( ( $end > $start ) && ( $time < $end ) ) { |
if ( $end > $start ) { |
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if ($time < $start) { |
if ($offset < $start) { |
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$s = $end - $start; |
$s = $end - $start; |
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} else { |
} elsif ($offset < $end) { |
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$s = $end - $time; |
$s = $end - $offset; |
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} |
} |
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} elsif( $start > $end ) { # over midnight |
} elsif ( $start > $end ) { # over midnight |
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if ( $time < $end ) { |
if ( $offset < $end ) { |
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if ( $time < $start) { |
if ( $offset < $start) { |
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$s = SEC_PER_DAY - $start + $end - $time; |
$s = SEC_PER_DAY - $start + $end - $offset; |
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} else { |
} else { |
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$s = SEC_PER_DAY - $start + $end; |
$s = SEC_PER_DAY - $start + $end; |
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} |
} |
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} else { |
} else { |
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if ( $time < $start ) { |
if ( $offset < $start ) { |
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$s = SEC_PER_DAY - $start; |
$s = SEC_PER_DAY - $start; |
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} else { |
} else { |
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$s = SEC_PER_DAY - $time; |
$s = SEC_PER_DAY - $offset; |
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} |
} |
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} |
} |
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} |
} |
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return $s; |
return $s; |
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} |
} |
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# |
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# this auxillary function will pretty-format interval in [days]d hh:mm:ss |
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# |
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sub fmt_interval { |
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my $s = shift || 0; |
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my $out = ""; |
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my $d = int($s/(24*60*60)); |
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$s = $s % (24*60*60); |
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my $h = int($s/(60*60)); |
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$s = $s % (60*60); |
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my $m = int($s/60); |
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$s = $s % 60; |
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$out .= $d."d " if ($d > 0); |
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$out .= sprintf("%02d:%02d:%02d",$h,$m,$s); |
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return $out; |
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} |
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1; |
1; |
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__END__ |
__END__ |
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# calculate availablity in seconds from interval of uptime |
# calculate availablity in seconds from interval of uptime |
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print $interval->interval($utime1,$utime2); |
print $interval->interval($utime1,$utime2); |
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# pretty print interval data (this will produce output '1d 11:11:11') |
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use Time::Available qw(:fmt_interval); |
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print fmt_interval(126671); |
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=head1 DESCRIPTION |
=head1 DESCRIPTION |
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Time::Available is used to calculate availability of some resource if start |
Time::Available is used to calculate availability of some resource if start |
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=over 4 |
=over 4 |
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=item * |
=item * |
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Time::Avail::DAY_MONDAY |
Time::Available::DAY_MONDAY |
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=item * |
=item * |
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Time::Avail::DAY_TUESDAY |
Time::Available::DAY_TUESDAY |
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=item * |
=item * |
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Time::Avail::DAY_WEDNESDAY |
Time::Available::DAY_WEDNESDAY |
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=item * |
=item * |
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Time::Avail::DAY_THURSDAY |
Time::Available::DAY_THURSDAY |
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=item * |
=item * |
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Time::Avail::DAY_FRIDAY |
Time::Available::DAY_FRIDAY |
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=item * |
=item * |
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Time::Avail::DAY_SATURDAY |
Time::Available::DAY_SATURDAY |
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=item * |
=item * |
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Time::Avail::DAY_SUNDAY |
Time::Available::DAY_SUNDAY |
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=item * |
=item * |
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Time::Avail::DAY_WEEKDAY |
Time::Available::DAY_WEEKDAY |
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=item * |
=item * |
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Time::Avail::DAY_WEEKEND |
Time::Available::DAY_WEEKEND |
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=item * |
=item * |
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Time::Avail::DAY_EVERYDAY |
Time::Available::DAY_EVERYDAY |
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=back |
=back |
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=head2 EXPORT |
=head2 EXPORT |
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None by default. If you specify B<:days>, Time::Available will export all |
None by default. |
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If you specify B<:days>, Time::Available will export all |
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DAY_* constraints to your enviroment (causing possible pollution of name |
DAY_* constraints to your enviroment (causing possible pollution of name |
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space). You have been warned. |
space). You have been warned. |
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With B<:fmt_interval> it will include function B<fmt_interval> which will |
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pretty-format interval into [days]d hh:mm:ss. |
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=head1 HISTORY |
=head1 HISTORY |
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this module was born. |
this module was born. |
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More information about this module might be found on |
More information about this module might be found on |
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http://www.rot13.org/~dpavlin/perl.html#cpan |
http://www.rot13.org/~dpavlin/projects.html#cpan |
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=head1 AUTHOR |
=head1 AUTHOR |
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