Class HostEntry

java.lang.Object
   |
   +----HostEntry

public class HostEntry

extends Object

Version:

$Revision: 1.19 $, $Date: 2000/10/31 20:32:03 $

Author:

Joseph Thomas

addrList

list of addresses which represent this node

altDescr

sysDescr string to be used if we're masking information

arp_ipaddrs

one to one list with arpservers containing their IP address (if known)

arp_nsapaddrs

one to one list with arpservers containing their NSAP address

arpservers

list containing known ATMARPServers

bus_servers

list containing known BUS servers (LANE)

communityName

SNMP communityName which accesses this node

dc

Pointer to parent DataCollector

descrTable

one to one list with addrList with the names that describe each interface

endStatus

flag indicating how far we got in this query cycle

intfs

list of network interfaces on this node

ipForwarding

flag indicating if this node supports ip forwarding (ie.

lecs_servers

list containing known LECS servers (LANE)

les_servers

list containing known LES servers (LANE)

net

pointer to the ATMNetwork which this node is a member of

netmask

list of netmasks with a one to one association to the addrList

nodeAddress

address by which we refer to this node

nodeType

this node's type

nsapAddrs

list of NSAP addresses that are assigned to this node

snmp

SNMP context used to send SNMP request to this node

switchesOnly

Are we only looking at switches

sysDescr

SNMP sysDescr returned by this node

time

timestamp for when this node was last accessed

unique_host

index for creating a unique IP address for nodes which don't respond to ip.* mibs

vinfo

pointer to VendorInfo instantiation

HostEntry(String)

Class constructor.

HostEntry(String, String)

Class constructor.

addARPServer(String, int)

Add an arpserver address entry

addBUS(String)

Add a bus_server entry

addLECS(String)

Add a lecs_server entry

addLES(String)

Add a les_server entry

addNSAPMap(String, String)

Add an IP to NSAP mapping

findCommunityName(DataCollector, CollectorAnalyzer, int)

Try to determine if any of the possible community name (passwords) we know will work to access this host.

getAddress()

Return the NodeAddress

getAltDescr()

Return the altDescr value Used when masking node addresses

getContext()

Return the SNMP Context

getDescription()

Return the sysDescr value

getnodeType()

Return nodeType

getPassword()

Return the community name

getSnmpContext()

Return the SNMP context for this node

getTime()

Returns the time this object was created.

query(DataCollector, CollectorAnalyzer, int)

Perform all the work necessary to query this host.

queryInterfaces(DataCollector, CollectorAnalyzer, int)

Determine the set of IP interfaces this host contains.

setnodeType(int)

Set nodeType

toString()

toString() method -- print something useful about this object.

 private NodeAddress nodeAddress

address by which we refer to this node

 private String communityName

SNMP communityName which accesses this node

 private String sysDescr

SNMP sysDescr returned by this node

 private String altDescr

sysDescr string to be used if we're masking information

 private int ipForwarding

flag indicating if this node supports ip forwarding (ie. its a gateway)

 private VendorInfo vinfo

pointer to VendorInfo instantiation

 private Vector intfs

list of network interfaces on this node

 private Vector nsapAddrs

list of NSAP addresses that are assigned to this node

 private int nodeType

this node's type

See Also:

ATMNode

 private int endStatus

flag indicating how far we got in this query cycle

 private long time

timestamp for when this node was last accessed

 private ATMNetwork net

pointer to the ATMNetwork which this node is a member of

 private SnmpContext snmp

SNMP context used to send SNMP request to this node

 private Vector addrList

list of addresses which represent this node

 private Vector netmask

list of netmasks with a one to one association to the addrList

 private Vector descrTable

one to one list with addrList with the names that describe each interface

 private static Vector arpservers

list containing known ATMARPServers

 private static Vector arp_ipaddrs

one to one list with arpservers containing their IP address (if known)

 private static Vector arp_nsapaddrs

one to one list with arpservers containing their NSAP address

 private static Vector bus_servers

list containing known BUS servers (LANE)

 private static Vector lecs_servers

list containing known LECS servers (LANE)

 private static Vector les_servers

list containing known LES servers (LANE)

 private static int unique_host

index for creating a unique IP address for nodes which don't respond to ip.* mibs

 private boolean switchesOnly

Are we only looking at switches

 private DataCollector dc

Pointer to parent DataCollector

 public HostEntry(String host,
                  String password)

Class constructor.

Parameters:

host - String name of this host

password - SNMP community string of this host

 public HostEntry(String host)

Class constructor.

Parameters:

host - String name of this host

 public void query(DataCollector dc,
                   CollectorAnalyzer ca,
                   int threadNum)

Perform all the work necessary to query this host.

Parameters:

dc - pointer to parent DataCollector object.

ca - pointer to parent CollectorAnalyzer object.

Throws: InterruptedException

Thrown by findCommunityName()

 private void findCommunityName(DataCollector dc,
                                CollectorAnalyzer ca,
                                int threadNum)

Try to determine if any of the possible community name (passwords) we know will work to access this host.

Parameters:

dc - pointer to parent DataCollector object.

ca - pointer to parent CollectorAnalyzer object.

threadNum - an index which identifies which thread called us

Throws: InterruptedException

Will eventually be thrown by SNMP

 public void queryInterfaces(DataCollector dc,
                             CollectorAnalyzer ca,
                             int threadNum)

Determine the set of IP interfaces this host contains.

Parameters:

dc - DataCollector for this run

ca - CollectorAnalyzer for this run

threadNum - an index to which thread called us

Throws: Exception

Will eventually be thrown by SNMP code

 public String getDescription()

Return the sysDescr value

Returns:

the sysDescr.0 value for this node

 public String getAltDescr()

Return the altDescr value Used when masking node addresses

Returns:

the altDescr value for this node

 public String getPassword()

Return the community name

Returns:

the community name which accesses this node

 public SnmpContext getContext()

Return the SNMP Context

Returns:

the SNMP context for this node

 public NodeAddress getAddress()

Return the NodeAddress

Returns:

the nodeAddress for this node

 public int getnodeType()

Return nodeType

Returns:

the nodeType for this node

 public void setnodeType(int type)

Set nodeType

Parameters:

type - New node type

 public void addARPServer(String addr,
                          int idx)

Add an arpserver address entry

Parameters:

addr - NSAP address of an ATMARPServer this node knows about

idx - The interface index which this NSAP is server for

 public void addNSAPMap(String ipaddr,
                        String nsap)

Add an IP to NSAP mapping

Parameters:

ipaddr - The IP address we know

nsap - The NSAP address associated with the IP

 public void addBUS(String bus)

Add a bus_server entry

Parameters:

bus - The NSAP address which is a BUS

 public void addLECS(String lecs)

Add a lecs_server entry

Parameters:

lecs - The NSAP address which is a LECS

 public void addLES(String les)

Add a les_server entry

Parameters:

les - The NSAP address which is a LES

 public long getTime()

Returns the time this object was created.

Returns:

the time (in milliseconds) when the data was created.

 public SnmpContext getSnmpContext()

Return the SNMP context for this node

Returns:

the SNMP context for this node

 public String toString()

toString() method -- print something useful about this object.

Overrides:

toString in class Object