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#!/usr/bin/perl
use strict;
use JSON;
my $in;
my ($full) = @ARGV;
while (<STDIN>) {
$in .= $_;
}
my %assets = %{JSON::XS::decode_json($in)};
my %peermap = %{$assets{peermap}};
my %map2 = %{$assets{lldpmap}};
my %ipmap = %{$assets{ipmap}};
print "strict graph network {\n";
if ($full ne "lldp") {
while (my ($key, $value) = each %peermap) {
print_tree ($key,0,undef);
}
} else {
while (my ($key, $value) = each %map2) {
print_lldp ($key, 0, undef);
}
}
print "}\n";
sub print_lldp
{
my ($id,$indent,$parent,$max) = @_;
my $name = $id;
if (defined($assets{lldppeers}{$id}{name}) and $assets{lldppeers}{$id}{name} ne "") {
$name = $assets{lldppeers}{$id}{name};
}
print " \"$name\" -- {";
my @n;
while (my ($key, $value) = each %{$map2{$id}}) {
my $peer = $key;
if (defined($assets{lldppeers}{$key}{name}) and $assets{lldppeers}{$key}{name} ne "") {
$peer = $assets{lldppeers}{$key}{name};
}
push @n, "\"$peer\"";
}
print join(",",@n) . "};\n";
}
sub print_tree
{
my ($ip) = @_;
my $name = $ip;
if ($assets{snmpresults}{$ip}{sysName}) {
$name = $assets{snmpresults}{$ip}{sysName};
}
print " \"$name\" -- {";
my @n;
while(my ($peer, $garbage) = each %{$peermap{$ip}}) {
my $name = get_name($peer);
if ($name ne $peer or $full eq "full") {
push @n, "\"$name\"";
}
}
print join(",",@n) . "};\n";
}
sub get_name {
my ($ip) = @_;
if (defined($ipmap{$ip})) {
$ip = $ipmap{$ip};
}
my $name = $ip;
if (defined($assets{snmpresults}{$ip}{sysName})) {
$name = $assets{snmpresults}{$ip}{sysName};
if ($name eq "") {
$name = $assets{snmpresults}{$ip}{lldpLocChassisId} || $ip;
}
return $name;
}
return $name;
}
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