net.i2p.i2ptunnel.access

Class AccessFilter

java.lang.Object

net.i2p.i2ptunnel.access.AccessFilter

All Implemented Interfaces:

IncomingConnectionFilter, StatefulConnectionFilter

class AccessFilter
extends Object
implements StatefulConnectionFilter

Incoming connection filter configurable through access list rules.

Tracks known destinations (defined in access lists) and unknown destinations (recently attempted connections). Reloads access lists from disk when modified to allow user edits. Writes recorder data to disk at intervals when new threshold breaches occur.

Field Summary

Fields inherited from interface net.i2p.client.streaming.IncomingConnectionFilter

ALLOW, DENY

Constructor Summary

Constructors

Constructor and Description
AccessFilter(I2PAppContext context, FilterDefinition definition) Create a new access filter.

Method Summary

Modifier and Type	Method and Description
boolean	allowDestination(Destination d) Determines if a connection to the given destination should be allowed.
void	start() Starts the filter's background tasks.
void	stop() Stops the filter's background tasks.

Methods inherited from class java.lang.Object

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

Constructor Detail

AccessFilter

AccessFilter(I2PAppContext context,
             FilterDefinition definition)
      throws IOException

Create a new access filter.

Parameters:

context - the context, used for scheduling and timer purposes

definition - definition of this filter

Throws:

IOException - if an I/O error occurs

Method Detail

allowDestination

public boolean allowDestination(Destination d)

Determines if a connection to the given destination should be allowed.

Checks the destination against known and unknown destination trackers. If the destination has exceeded its threshold for the current time window, the connection is denied. Unknown destinations start with the default threshold.

Specified by:

allowDestination in interface IncomingConnectionFilter

Parameters:

d - the destination to check

Returns:

true if the connection should be allowed, false if denied

start

public void start()

Starts the filter's background tasks.

Initializes the purger and syncer timers to begin tracking connection attempts and periodically saving state to disk.

Specified by:

start in interface StatefulConnectionFilter

stop

public void stop()

Stops the filter's background tasks.

Halts the purger and syncer timers. Existing connection data is retained until the next purge cycle.

Specified by:

stop in interface StatefulConnectionFilter