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#
# $Id: Intf.pm,v c57765ed0538 2024/10/28 15:05:03 gomor $
#
package Net::Libdnet::Entry::Intf;
use strict; use warnings;
use base qw(Class::Gomor::Array);
our @AS = qw(
aliasNum
mtu
len
type
name
dstAddr
linkAddr
flags
addr
ip
subnet
broadcast
cidr
);
our @AA = qw(
aliasAddrs
);
__PACKAGE__->cgBuildIndices;
__PACKAGE__->cgBuildAccessorsScalar(\@AS);
__PACKAGE__->cgBuildAccessorsArray (\@AA);
use Net::Libdnet qw(:consts :obsolete);
sub new {
my $self = shift->SUPER::new(
aliasAddrs => [],
@_,
);
return $self;
}
sub newFromHash {
my $self = shift->SUPER::new;
my ($h) = @_;
$self->aliasNum ($h->{intf_alias_num}) if defined($h->{intf_alias_num});
$self->mtu ($h->{intf_mtu}) if defined($h->{intf_mtu});
$self->len ($h->{intf_len}) if defined($h->{intf_len});
$self->type ($h->{intf_type}) if defined($h->{intf_type});
$self->name ($h->{intf_name}) if defined($h->{intf_name});
$self->dstAddr ($h->{intf_dst_addr}) if defined($h->{intf_dst_addr});
$self->linkAddr ($h->{intf_link_addr}) if defined($h->{intf_link_addr});
$self->flags ($h->{intf_flags}) if defined($h->{intf_flags});
$self->aliasAddrs($h->{intf_alias_addrs}) if defined($h->{intf_alias_addrs});
if (defined($h->{intf_addr})) {
$self->addr($h->{intf_addr});
$self->subnet(addr_net($h->{intf_addr}));
$self->broadcast(addr_bcast($h->{intf_addr}));
my ($ip, $cidr) = split('/', $h->{intf_addr});
$self->ip($ip) if defined($ip);
$self->cidr($cidr) if defined($cidr);
}
return $self;
}
sub tohash {
my $self = shift;
my %hash;
$hash{intf_alias_num} = $self->aliasNum if defined($self->aliasNum);
$hash{intf_mtu} = $self->mtu if defined($self->mtu);
$hash{intf_len} = $self->len if defined($self->len);
$hash{intf_type} = $self->type if defined($self->type);
$hash{intf_name} = $self->name if defined($self->name);
$hash{intf_dst_addr} = $self->dstAddr if defined($self->dstAddr);
$hash{intf_link_addr} = $self->linkAddr if defined($self->linkAddr);
$hash{intf_flags} = $self->flags if defined($self->flags);
$hash{intf_alias_addrs} = $self->aliasAddrs if defined($self->aliasAddrs);
$hash{intf_addr} = $self->addr if defined($self->addr);
return \%hash;
}
#
# Courtesy of Net::IPv4Addr
#
sub cidr2mask {
my $self = shift;
return unless $self->cidr;
my $cidr = $self->cidr;
return unless ($cidr > 0 && $cidr < 33);
my $bits = '1'x$cidr.'0'x(32 - $cidr);
return join(".", unpack('CCCC', pack('B*', $bits)));
}
#
# Courtesy of Net::IPv4Addr
#
sub mask2cidr {
my $self = shift;
my ($mask) = @_;
return unless $mask;
my @toks = split(/\./, $mask);
return unless @toks == 4;
my $cidr = 0;
for (@toks) {
my $bits = unpack('B*', pack('C', $_));
$cidr += $bits =~ tr/1/1/;
}
return $cidr;
}
sub flags2string {
my $self = shift;
my $flags = $self->flags;
my $buf = '';
if ($flags & DNET_INTF_FLAG_UP) { $buf .= "UP," }
if ($flags & DNET_INTF_FLAG_LOOPBACK) { $buf .= "LOOPBACK," }
if ($flags & DNET_INTF_FLAG_POINTOPOINT) { $buf .= "POINTOPOINT," }
if ($flags & DNET_INTF_FLAG_NOARP) { $buf .= "NOARP," }
if ($flags & DNET_INTF_FLAG_BROADCAST) { $buf .= "BROADCAST," }
if ($flags & DNET_INTF_FLAG_MULTICAST) { $buf .= "MULTICAST," }
$buf =~ s/,$//;
return $buf;
}
sub print {
my $self = shift;
my $buf = sprintf("%s: flags=0x%02x<%s>",
$self->name, $self->flags, $self->flags2string);
if ($self->mtu != 0) {
$buf .= sprintf(" mtu %d", $self->mtu);
}
$buf .= sprintf("\n");
if ($self->addr && $self->dstAddr) {
$buf .= sprintf("\taddr %s --> %s\n", $self->addr, $self->dstAddr);
}
elsif ($self->addr) {
$buf .= sprintf("\taddr %s\n", $self->addr);
}
if ($self->ip) {
$buf .= sprintf("\tip %s\n", $self->ip);
}
if ($self->subnet && $self->cidr) {
$buf .= sprintf("\tsubnet %s - cidr %s [mask %s]\n",
$self->subnet, $self->cidr, $self->cidr2mask);
}
if ($self->broadcast) {
$buf .= sprintf("\tbroadcast %s\n", $self->broadcast);
}
if ($self->linkAddr) {
$buf .= sprintf("\tlinkAddr %s\n", $self->linkAddr);
}
for ($self->aliasAddrs) {
$buf .= sprintf("\talias %s\n", $_);
}
$buf =~ s/\n$//;
return $buf;
}
1;
__END__
=head1 NAME
Net::Libdnet::Entry::Intf - Intf Entry object
=head1 SYNOPSIS
XXX
=head1 DESCRIPTION
XXX
=head1 METHODS
=over 4
=item B<new>
=item B<newFromHash>
=item B<cidr2mask>
=item B<flags2string>
=item B<mask2cidr>
=item B<print>
=item B<tohash>
=back
=head1 AUTHOR
Patrice E<lt>GomoRE<gt> Auffret
=head1 COPYRIGHT AND LICENSE
You may distribute this module under the terms of the BSD license. See LICENSE file in the source distribution archive.
Copyright (c) 2008-2024, Patrice <GomoR> Auffret
=cut
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