pcpp::BPFStringFilter Class Reference

#include <PcapFilter.h>

Inheritance diagram for pcpp::BPFStringFilter:

Public Member Functions
void	parseToString (std::string &result) const override
bool	verifyFilter ()
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

This class can be loaded with a BPF filter string and then can be used to verify the string is valid.

Member Function Documentation

parseToString()

void pcpp::BPFStringFilter::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 If the filter is not valid the result will be an empty string

Implements pcpp::GeneralFilter.

verifyFilter()

bool pcpp::BPFStringFilter::verifyFilter

(

)

Verify the filter is valid

Returns

True if the filter is valid or false otherwise