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#!/usr/bin/perl

use Net::SNMP;

my $host                = "192.168.0.49";
my $community           = "eX0gyN37";
my $input 		= "/home/cjones/snmpscripts/hostipaddresses.txt";
my $output 		= "/home/cjones/snmpscripts/vlan1.csv";

my $IFINDEX             = "1.3.6.1.2.1.2.2.1.1";
my $IFTYPE              = "1.3.6.1.2.1.2.2.1.3";
my $IFNAME              = "1.3.6.1.2.1.31.1.1.1.1";
my $IFALIAS             = "1.3.6.1.2.1.31.1.1.1.18";
my $IFOPERSTATUS        = "1.3.6.1.2.1.2.2.1.8";
my $VMVLAN              = "1.3.6.1.4.1.9.9.68.1.2.2.1.2";
my $HOSTNAME_OID        = "1.3.6.1.4.1.9.2.1.3.0";
my $IFNUMBER            = "1.3.6.1.2.1.2.1.0";

open (ADDRESSES, $input) or die ("ERROR: Can't open input file");
open (OUTPUT, $output) or die ("ERROR: Can't open output file");

while (my $ip = <ADDRESSES>) {

	my ($snmp,$snmperror)   = Net::SNMP->session(
                -hostname       => $ip,
                -community      => $community
        	);

	my $response 		= $snmp->get_request(
		$IFNUMBER,
		$HOSTNAME_OID
		);

	my $getNumInterfaces	= $response->{"$IFNUMBER"};
	my $hostname		= $response->{"$HOSTNAME_OID"};


	print "$ip - $hostname: ";
	print OUTPUT "\n$hostname,$ip,,,\n";
	print OUTPUT "$host,Interface,Description,Status,Vlan\n";

	for (my $i=1; $i <= $getNumInterfaces; $i++) {
        	$response    = $snmp->get_request(
                	"$IFTYPE.$i",
                	"$IFNAME.$i",
                	"$IFALIAS.$i",
                	"$IFOPERSTATUS.$i",
                	"$VMVLAN.$i"
        		);

        	my $ifType = $response->{"$IFTYPE.$i"};
        	my $ifName = $response->{"$IFNAME.$i"};
        	my $ifAlias = $response->{"$IFALIAS.$i"};
        	my $ifOperStatus = $response->{"$IFOPERSTATUS.$i"};
		if ($ifOperStatus == 1) { $ifOperStatus = "connected" } else { $ifOperStatus = "notconnect" };
        	my $vmVlan = $response->{"$VMVLAN.$i"};

        	if (($ifType == 6) && ($vmVlan == 1)) {
                	print OUTPUT ",$ifName,$ifAlias,$ifOperStatus,$vmVlan\n";
        		}
		}

		print "OK\n";

	}

close(ADDRESSES);
close(OUTPUT);

exit 0;