/usr/share/perl5/Log/Report/Dispatcher/File.pm is in liblog-report-perl 1.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | # Copyrights 2007-2016 by [Mark Overmeer].
# For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.02.
use warnings;
use strict;
package Log::Report::Dispatcher::File;
use vars '$VERSION';
$VERSION = '1.18';
use base 'Log::Report::Dispatcher';
use Log::Report 'log-report';
use IO::File ();
use POSIX qw/strftime/;
use Encode qw/find_encoding/;
use Fcntl qw/:flock/;
sub init($)
{ my ($self, $args) = @_;
if(!$args->{charset})
{ my $lc = $ENV{LC_CTYPE} || $ENV{LC_ALL} || $ENV{LANG} || '';
my $cs = $lc =~ m/\.([\w-]+)/ ? $1 : '';
$args->{charset} = length $cs && find_encoding $cs ? $cs : undef;
}
$self->SUPER::init($args);
my $name = $self->name;
$self->{to} = $args->{to}
or error __x"dispatcher {name} needs parameter 'to'", name => $name;
$self->{replace} = $args->{replace} || 0;
my $format = $args->{format} || sub { '['.localtime()."] $_[0]" };
$self->{LRDF_format}
= ref $format eq 'CODE' ? $format
: $format eq 'LONG'
? sub { my $msg = shift;
my $domain = shift || '-';
my $stamp = strftime "%Y-%m-%dT%H:%M:%S", gmtime;
"[$stamp $$] $domain $msg"
}
: error __x"unknown format parameter `{what}'"
, what => ref $format || $format;
$self;
}
#-----------
sub filename() {shift->{LRDF_filename}}
sub format() {shift->{LRDF_format}}
sub output($)
{ # fast simple case
return $_[0]->{LRDF_output} if $_[0]->{LRDF_output};
my ($self, $msg) = @_;
my $name = $self->name;
my $to = $self->{to};
if(!ref $to)
{ # constant file name
$self->{LRDF_filename} = $to;
my $binmode = $self->{replace} ? '>' : '>>';
my $f = $self->{LRDF_output} = IO::File->new($to, $binmode)
or fault __x"cannot write log into {file} with mode {binmode}"
, binmode => $binmode, file => $to;
$f->autoflush;
return $self->{LRDF_output} = $f;
}
if(ref $to eq 'CODE')
{ # variable filename
my $fn = $self->{LRDF_filename} = $to->($self, $msg);
return $self->{LRDF_output} = $self->{LRDF_out}{$fn};
}
# probably file-handle
$self->{LRDF_output} = $to;
}
#-----------
sub close()
{ my $self = shift;
$self->SUPER::close
or return;
my $to = $self->{to};
my @close
= ref $to eq 'CODE' ? values %{$self->{LRDF_out}}
: $self->{LRDF_filename} ? $self->{LRDF_output}
: ();
$_->close for @close;
$self;
}
sub rotate($)
{ my ($self, $old) = @_;
my $to = $self->{to};
my $logs = ref $to eq 'CODE' ? $self->{LRDF_out}
: +{ $self->{to} => $self->{LRDF_output} };
while(my ($log, $fh) = each %$logs)
{ !ref $log
or error __x"cannot rotate log file which was opened as file-handle";
my $oldfn = ref $old eq 'CODE' ? $old->($log) : $old;
trace "rotating $log to $oldfn";
rename $log, $oldfn
or fault __x"unable to rotate logfile {fn} to {oldfn}"
, fn => $log, oldfn => $oldfn;
$fh->close; # close after move not possible on Windows?
my $f = $self->{LRDF_output} = $logs->{$log} = IO::File->new($log, '>>')
or fault __x"cannot write log into {file}", file => $log;
$f->autoflush;
}
$self;
}
#-----------
sub log($$$$)
{ my ($self, $opts, $reason, $msg, $domain) = @_;
my $trans = $self->translate($opts, $reason, $msg);
my $text = $self->format->($trans, $domain, $msg);
my $out = $self->output($msg);
flock $out, LOCK_EX;
$out->print($text);
flock $out, LOCK_UN;
}
1;
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