pcpp::GeneralFilter Class Reference

#include <PcapFilter.h>

Inheritance diagram for pcpp::GeneralFilter:

Public Member Functions
virtual void	parseToString (std::string &result)=0
bool	matchPacketWithFilter (RawPacket *rawPacket)
virtual	~GeneralFilter ()=default
	Virtual destructor, frees the bpf program.

Detailed Description

The base class for all filter classes. This class is virtual and abstract, hence cannot be instantiated.

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

Member Function Documentation

matchPacketWithFilter()

bool pcpp::GeneralFilter::matchPacketWithFilter

(

RawPacket *

rawPacket

)

Match a raw packet with a given BPF filter.

Parameters

[in]

rawPacket

A pointer to the raw packet to match the BPF filter with

Returns

True if a raw packet matches the BPF filter or false otherwise

parseToString()

virtual void pcpp::GeneralFilter::parseToString ( std::string &  result )

pure virtual

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

Implemented in pcpp::UdpLengthFilter, pcpp::TcpWindowSizeFilter, pcpp::TcpFlagsFilter, pcpp::VlanFilter, pcpp::ArpFilter, pcpp::ProtoFilter, pcpp::NotFilter, pcpp::CompositeLogicFilter< op >, pcpp::EtherTypeFilter, pcpp::MacAddressFilter, pcpp::PortRangeFilter, pcpp::PortFilter, pcpp::IPv4TotalLengthFilter, pcpp::IPv4IDFilter, pcpp::IPFilter, and pcpp::BPFStringFilter.