File Coverage

blib/lib/Nginx/ParseLog.pm

Criterion	Covered	Total	%
statement	21	22	95.4
branch	1	2	50.0
condition			n/a
subroutine	4	4	100.0
pod	0	1	0.0
total	26	29	89.6

#!/usr/bin/perl

use strict;
use warnings;

package Nginx::ParseLog;

our $VERSION = '1.01';


=head1 NAME

Nginx::ParseLog - module for parsing Nginx access log files (nginx.net).

=head1 SYNOPSIS

 use Nginx::ParseLog;
 use Data::Dumper;

 my $log_string = '92.241.180.118 - - [28/Mar/2009:20:59:02 +0300] "GET / HTTP/1.1" 200 1706 "-" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.7) Gecko/20060909 Firefox/1.5.0.7"';

 my $deparsed = Nginx::ParseLog::parse($log_string);
 warn Data::Dumper($deparsed);

 {
    'request' => 'GET / HTTP/1.1',
    'user_agent' => 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.7) Gecko/20060909 Firefox/1.5.0.7',
    'status' => '200',
    'time' => '28/Mar/2009:20:59:02 +0300',
    'ip' => '92.241.180.118',
    'bytes_send' => '1706',
    'remote_user' => '-',
    'referer' => '-'
 }

=cut

# use re 'debug';

sub parse {
    my $log_string = shift;
    chomp $log_string;

    # print "$log_string\n";
    my $ip = qr/(?:\d+\.){3}\d+/;

    #                      ip         remote_user   time         request    status   bytes_send  referer    user_agent
    if ( $log_string =~ m/^($ip)\s-\s (.*?)\s         \[(.*?)\]\s  "(.*?)"\s  (\d+)\s  (\d+)\s     "(.*?)"\s  "(.*?)"$/x) {
	my $deparsed = { };
	my $c = 0;

	my @field_list = qw/
            ip
	    remote_user
            time
            request
            status
            bytes_send
            referer
            user_agent
	/;

	{
	    no strict 'refs'; # some Perl magic

	    for (@field_list) {
	        $deparsed->{ $_  } = ${ ++$c };
            }
	}

	return $deparsed;
    } else {
        return;
    }
}

1;