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|
package PerlDaemon::Logger;
use strict;
use warnings;
use threads;
use threads::shared;
use Shell qw(mv);
use POSIX qw(strftime);
$| = 1;
our $SELF;
$SIG{'USR2'} = sub {
$SELF->flushlogs();
};
sub new ($$) {
my ($class, $conf) = @_;
die "Instance already exists" if defined $SELF;
$SELF = bless { conf => $conf }, $class;
$SELF->{queue} = [];
share $SELF->{queue};
return $SELF;
}
sub logmsg ($$) {
my ($self, $msg) = @_;
my $conf = $self->{conf};
my $logline = localtime()." (PID $$): $msg\n";
{ lock $self->{queue};
push @{$self->{queue}}, $logline;
}
$self->flushlogs();
return undef;
}
sub flushlogs ($$) {
my ($self, $msg) = @_;
my $conf = $self->{conf};
my $logfile = $conf->{'daemon.logfile'};
{ lock $self->{queue};
open my $fh, ">>$logfile" or die "Can't write logfile $logfile: $!\n";
for my $logline (@{$self->{queue}}) {
print $fh $logline;
print $logline if $conf->{'daemon.daemonize'} ne 'yes';
}
close $fh;
@{$self->{queue}} = ();
}
return undef;
}
sub err ($$) {
my ($self, $msg) = @_;
$self->logmsg($msg);
die "$msg\n";
}
sub warn ($$) {
my ($self, $msg) = @_;
$self->logmsg("WARNING: $msg");
return undef;
}
sub rotatelog ($) {
my $self = shift;
my $conf = $self->{conf};
my $logfile = $conf->{'daemon.logfile'};
$self->logmsg('Rotating logfile');
my $timestr = strftime "%Y%m%d-%H%M%S", localtime();
mv($logfile, "$logfile.$timestr");
return undef;
}
1;
|
