mirror of
https://github.com/pragma-/pbot.git
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86 lines
2.5 KiB
Perl
86 lines
2.5 KiB
Perl
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::Logger;
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use warnings; use strict;
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use feature 'unicode_strings';
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use utf8;
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use Scalar::Util qw/openhandle/;
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use File::Basename;
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use File::Copy;
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sub new {
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my ($proto, %conf) = @_;
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my $class = ref($proto) || $proto;
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my $self = bless {}, $class;
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Carp::croak("Missing pbot reference to " . __FILE__) unless exists $conf{pbot};
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$self->{pbot} = $conf{pbot};
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print "Initializing " . __PACKAGE__ . "\n" unless $self->{pbot}->{overrides}->{'general.daemon'};
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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# ensure logfile path was provided
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$self->{logfile} = $conf{filename} // Carp::croak "Missing logfile parameter in " . __FILE__;
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# record start time for later logfile rename in rotation
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$self->{start} = time;
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# get directories leading to logfile
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my $path = dirname $self->{logfile};
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# create log file path
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if (not -d $path) {
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print "Creating new logfile path: $path\n" unless $self->{pbot}->{overrides}->{'general.daemon'};
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mkdir $path or Carp::croak "Couldn't create logfile path: $!\n";
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}
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# open log file with utf8 encoding
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open LOGFILE, ">> :encoding(UTF-8)", $self->{logfile} or Carp::croak "Couldn't open logfile $self->{logfile}: $!\n";
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LOGFILE->autoflush(1);
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# rename logfile to start-time at exit
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$self->{pbot}->{atexit}->register(sub { $self->rotate_log; return; });
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}
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sub log {
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my ($self, $text) = @_;
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# get current time
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my $time = localtime;
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# replace potentially log-corrupting characters (colors, gibberish, etc)
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$text =~ s/(\P{PosixGraph})/my $ch = $1; if ($ch =~ m{[\s]}) { $ch } else { sprintf "\\x%02X", ord $ch }/ge;
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# log to file
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print LOGFILE "$time :: $text" if openhandle * LOGFILE;
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# and print to stdout unless daemonized
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print STDOUT "$time :: $text" unless $self->{pbot}->{overrides}->{'general.daemon'};
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}
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sub rotate_log {
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my ($self) = @_;
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# get start time
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my $time = localtime $self->{start};
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$time =~ s/\s+/_/g; # replace spaces with underscores
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$self->log("Rotating log to $self->{logfile}-$time\n");
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# rename log to start time
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move($self->{logfile}, $self->{logfile} . '-' . $time);
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# set new start time for next rotation
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$self->{start} = time;
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}
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1;
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