#include <PcapFilter.h>

Inheritance diagram for pcpp::ArpFilter:

Public Member Functions
	ArpFilter (ArpOpcode opCode)

void	parseToString (std::string &result) const override

void	setOpCode (ArpOpcode opCode)

Public Member Functions inherited from pcpp::GeneralFilter
virtual	~GeneralFilter ()=default
	Virtual destructor, frees the bpf program.

bool	matchPacketWithFilter (RawPacket *rawPacket) const

bool	matches (RawPacket const &rawPacket) const
	Match a raw packet against the filter. More...

Additional Inherited Members
Protected Member Functions inherited from pcpp::GeneralFilter
bool	cacheFilter () const
	Parse the filter and cache the compiled BPF program. More...

void	invalidateCache () const
	Invalidate the cached BPF program. This method should be called whenever the filter changes.

Detailed Description

A class for filtering ARP packets according the ARP opcode. When using this filter only ARP packets with the relevant opcode will be received

For deeper understanding of the filter concept please refer to PcapFilter.h

Constructor & Destructor Documentation

pcpp::ArpFilter::ArpFilter ( ArpOpcode opCode )

inlineexplicit

A constructor that get the ARP opcode and creates the filter

Parameters

[in] opCode The ARP opcode: ARP_REQUEST or ARP_REPLY

void pcpp::ArpFilter::parseToString ( std::string & result ) const

overridevirtual

A method that parses the class instance into BPF string format

Parameters

[out] result An empty string that the parsing will be written into. If the string isn't empty, its content will be overridden

void pcpp::ArpFilter::setOpCode ( ArpOpcode opCode )

inline

Set the ARP opcode

Parameters

[in] opCode The ARP opcode: ARP_REQUEST or ARP_REPLY