filter

Documentation

Overview

The filter package provides support for assembling fell formed bpf filters.

Index

• type Filter
  • func (f *Filter) String() string

Types

type Filter

type Filter struct {
	SrcIP   net.IP // The source IP address
	SrcPort int    // The source port number
	DstIp   net.IP // The destination IP address
	DstPort int    // The destination port number
}

Represents the elements that go into a very common bpf filter.

Most users can give the same filter strings that they would give to tcpdump directly to the Setfilter function.

func (*Filter) String

func (f *Filter) String() string

Given a complete Filter it generates the string form for Setfilter.