netp

Class PayloadFilter

java.lang.Object

SynchronousProcessor

netp.PayloadFilter

public class PayloadFilter
extends SynchronousProcessor

Discards packets from an input trace based on the content of its payload. User can specify a byte[] or hex string as filter value, and only packets containing that exact sequence of bytes pass through the filter.

Constructor Summary

Constructors

Constructor and Description
PayloadFilter() Instantiates a default filter that allows all packets through

Method Summary

Modifier and Type	Method and Description
Processor	clone()
protected boolean	compute(java.lang.Object[] inputs, java.util.Queue<java.lang.Object[]> outputs)
Processor	duplicate(boolean with_state)
boolean	setFilter(byte[] filter) Sets the filter from a byte sequence.
boolean	setFilter(java.lang.String hex) Sets the filter from a hex value in string form.

Methods inherited from class java.lang.Object

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

Constructor Detail

PayloadFilter

public PayloadFilter()

Instantiates a default filter that allows all packets through

Method Detail

setFilter

public boolean setFilter(java.lang.String hex)

Sets the filter from a hex value in string form.

Parameters:

hex - Hex value of the filter (eg. "2D45")

Returns:

true if string parsing was successful, false otherwise

setFilter

public boolean setFilter(byte[] filter)

Sets the filter from a byte sequence.

Parameters:

filter - Byte sequence

Returns:

true if the affectation was successful

compute

protected boolean compute(java.lang.Object[] inputs,
                          java.util.Queue<java.lang.Object[]> outputs)

clone

public Processor clone()

duplicate

public Processor duplicate(boolean with_state)