org.jgroups.auth

Class FixedMembershipToken

java.lang.Object

org.jgroups.auth.AuthToken

org.jgroups.auth.FixedMembershipToken

All Implemented Interfaces:

Streamable

public class FixedMembershipToken
extends AuthToken

The FixedMemberShipToken object predefines a list of IP addresses and ports that can join the group.

Configuration parameters for this example are shown below:

• fixed_members_value (required) = List of IP addresses & ports (optionally) - ports must be seperated by a '/' e.g. 127.0.0.1/1010*127.0.0.1/4567
• fixed_members_seperator (required) = The seperator used between IP addresses - e.g. *

Author:

Chris Mills (millsy@jboss.com)

Field Summary

Fields inherited from class org.jgroups.auth.AuthToken

auth, log

Constructor Summary

Constructors

Constructor and Description
FixedMembershipToken()
FixedMembershipToken(String token)

Method Summary

Modifier and Type	Method and Description
boolean	authenticate(AuthToken token, Message msg) Check if I'm in memberList, too
String	getName() Used to return the full package and class name of the implementation.
boolean	isInMembersList(IpAddress sender)
static boolean	match(IpAddress sender, InetSocketAddress addr)
void	readFrom(DataInput in) Read the state of the current object (including superclasses) from instream Note that the input stream must not be closed
void	setFixedMembersSeparator(String value)
void	setMemberList(String list)
int	size() The size of the marshalled AuthToken
void	writeTo(DataOutput out) Write the entire state of the current object (including superclasses) to outstream.

Methods inherited from class org.jgroups.auth.AuthToken

destroy, init, setAuth, start, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FixedMembershipToken

public FixedMembershipToken()

FixedMembershipToken

public FixedMembershipToken(String token)

Method Detail

getName

public String getName()

Description copied from class: AuthToken

Used to return the full package and class name of the implementation. This is used by the AUTH protocol to create an instance of the implementation.

Specified by:

getName in class AuthToken

Returns:

a java.lang.String object of the package and class name

setFixedMembersSeparator

public void setFixedMembersSeparator(String value)

authenticate

public boolean authenticate(AuthToken token,
                            Message msg)

Check if I'm in memberList, too

Specified by:

authenticate in class AuthToken

Parameters:

token - the token sent by the joiner

msg - the Message object containing the actual JOIN_REQ

Returns:

true if authenticaion passed or false if it failed.

isInMembersList

public boolean isInMembersList(IpAddress sender)

match

public static boolean match(IpAddress sender,
                            InetSocketAddress addr)

setMemberList

public void setMemberList(String list)
                   throws UnknownHostException

Throws:

UnknownHostException

writeTo

public void writeTo(DataOutput out)
             throws Exception

Description copied from interface: Streamable

Write the entire state of the current object (including superclasses) to outstream. Note that the output stream must not be closed

Throws:

Exception

readFrom

public void readFrom(DataInput in)
              throws Exception

Description copied from interface: Streamable

Read the state of the current object (including superclasses) from instream Note that the input stream must not be closed

Throws:

Exception

size

public int size()

Description copied from class: AuthToken

The size of the marshalled AuthToken

Specified by:

size in class AuthToken