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/*
* Wireless Host Monitor
*
* Copyright (C) 2003, Jonathan Sevy <jsevy@mcs.drexel.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package airporthostmon;
import snmp.*;
import java.io.*;
import java.util.*;
public class SnowAirportHostInfoRetriever
extends HostInfoRetriever
{
// OIDs for retrieving info from Snow base stations
private String portMapLocalIPBaseOID = "1.3.6.1.4.1.731.100.3.1.1.2";
private static String name = "Airport (Snow)";
private static SnowAirportHostInfoRetriever retriever = new SnowAirportHostInfoRetriever();
/**
* Static initializer, to call base class routine registerRetriever to
* register this retriever in the list of retrievers when class is loaded
*/
static
{
registerRetriever(name, retriever);
}
public int getWANInterfaceIndex()
{
// WAN interface is on index 3
return 3;
}
public HostInfoTreeMap getHostInfo(SNMPv1CommunicationInterface communicationInterface)
throws IOException, SNMPGetException, SNMPBadValueException
{
// fetch portmap info - local IPs
SNMPVarBindList varBindList = communicationInterface.retrieveMIBTable(portMapLocalIPBaseOID);
// create a TreeMap to filter out duplicates
TreeMap ipAddressTreeMap = new TreeMap();
for (int i = 0; i < varBindList.size(); i++)
{
SNMPSequence variablePair = (SNMPSequence)varBindList.getSNMPObjectAt(i);
SNMPObjectIdentifier snmpOID = (SNMPObjectIdentifier)variablePair.getSNMPObjectAt(0);
SNMPIPAddress snmpIPAddress = (SNMPIPAddress)variablePair.getSNMPObjectAt(1);
String ipAddress = snmpIPAddress.toString();
if (!ipAddressTreeMap.containsKey(ipAddress))
{
HostInfo hostInfo = new HostInfo();
hostInfo.ipAddress = ipAddress;
hostInfo.timeAssociated = -1;
ipAddressTreeMap.put(ipAddress, hostInfo);
}
}
// now create host info hashtable from this tree map
HostInfoTreeMap hostInfoHashtable = new HostInfoTreeMap(ipAddressTreeMap);
//System.out.println("SNMP table:");
//System.out.println(snmpPortMapInfo.toString());
// now fetch arp info table, to get MAC addresses
String[] arpBaseOIDs = {"1.3.6.1.2.1.4.22.1.2", "1.3.6.1.2.1.4.22.1.3"};
SNMPVarBindList snmpArpInfo = communicationInterface.retrieveMIBTable(arpBaseOIDs);
ArpInfoTreeMap arpInfoTreeMap = new ArpInfoTreeMap(snmpArpInfo);
hostInfoHashtable.setMACAddresses(arpInfoTreeMap);
return hostInfoHashtable;
}
}
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