mpcapng

Documentation

Index

• type Writer
  • func NewWriter(w io.Writer) *Writer
  • func (pw *Writer) WriteHeader(app string, in *net.Interface, expr string, snaplen int) error
  • func (pw *Writer) WritePacket(timestamp time.Time, data []byte) error

Types

type Writer

type Writer struct {
	// contains filtered or unexported fields
}

func NewWriter

func NewWriter(w io.Writer) *Writer

NewWriter creates a new PCAPNG Writer that writes to the given io.Writer.

func (*Writer) WriteHeader

func (pw *Writer) WriteHeader(app string, in *net.Interface, expr string, snaplen int) error

WriteHeader writes a Section Header Block (SHB) and an Interface Description Block (IDB) to the pcapng file.

The SHB contains metadata about the capture, and the IDB describes the interface that the packets were captured on.

func (*Writer) WritePacket

func (pw *Writer) WritePacket(timestamp time.Time, data []byte) error

WritePacket writes an Enhanced Packet Block (EPB) to the file.

https://www.ietf.org/archive/id/draft-tuexen-opsawg-pcapng-05.html#name-enhanced-packet-block