#include <PcapFilter.h>

Inheritance diagram for pcpp::PortFilter:

Public Member Functions
	PortFilter (uint16_t port, Direction dir)

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

void	setPort (uint16_t port)

Public Member Functions inherited from pcpp::IFilterWithDirection
void	setDirection (Direction dir)

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 TCP or UDP traffic by port, for example: "dst port 80" or "src port 12345".

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

Constructor & Destructor Documentation

A constructor that gets the port and the direction and creates the filter

Parameters

[in]	port	The port to create the filter with
[in]	dir	The port direction to filter (source or destination)

void pcpp::PortFilter::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::PortFilter::setPort ( uint16_t port )

inline

Set the port

Parameters

[in] port The port to create the filter with