File Coverage

lib/Sisimai/Reason/NetworkError.pm

Criterion	Covered	Total	%
statement	18	18	100.0
branch	2	2	100.0
condition	1	2	50.0
subroutine	7	7	100.0
pod	2	4	50.0
total	30	33	90.9

package Sisimai::Reason::NetworkError;
use feature ':5.10';
use strict;
use warnings;

sub text  { 'networkerror' }
sub description { 'SMTP connection failed due to DNS look up failure or other network problems' }
sub match {
    # Try to match that the given text and regular expressions
    # @param    [String] argv1  String to be matched with regular expressions
    # @return   [Integer]       0: Did not match
    #                           1: Matched
    # @since v4.1.12
    my $class = shift;
    my $argv1 = shift // return undef;

    state $index = [
        'could not connect and send the mail to',
        'dns records for the destination computer could not be found',
        'hop count exceeded - possible mail loop',
        'host is unreachable',
        'host name lookup failure',
        'host not found, try again',
        'mail forwarding loop for ',
        'malformed name server reply',
        'malformed or unexpected name server reply',
        'maximum forwarding loop count exceeded',
        'message looping',
        'message probably in a routing loop',
        'no route to host',
        'too many hops',
        'unable to resolve route ',
        'unrouteable mail domain',
    ];
    return 1 if grep { rindex($argv1, $_) > -1 } @$index;
    return 0;
}

sub true {
    # The bounce reason is network error or not
    # @param    [Sisimai::Data] argvs   Object to be detected the reason
    # @return   [Integer]               1: is network error
    #                                   0: is not network error
    # @see http://www.ietf.org/rfc/rfc2822.txt
    return undef;
}

1;
__END__