packetConn.go

package peerdiscovery

import (
	"net"

	"golang.org/x/net/ipv4"
	"golang.org/x/net/ipv6"
)

type PacketConn4 struct {
	*ipv4.PacketConn
}

// ReadFrom wraps the ipv4 ReadFrom without a control message
func (pc4 PacketConn4) ReadFrom(buf []byte) (int, net.Addr, error) {
	n, _, addr, err := pc4.PacketConn.ReadFrom(buf)
	return n, addr, err
}

// WriteTo wraps the ipv4 WriteTo without a control message
func (pc4 PacketConn4) WriteTo(buf []byte, dst net.Addr) (int, error) {
	return pc4.PacketConn.WriteTo(buf, nil, dst)
}

type PacketConn6 struct {
	*ipv6.PacketConn
}

// ReadFrom wraps the ipv6 ReadFrom without a control message
func (pc6 PacketConn6) ReadFrom(buf []byte) (int, net.Addr, error) {
	n, _, addr, err := pc6.PacketConn.ReadFrom(buf)
	return n, addr, err
}

// WriteTo wraps the ipv6 WriteTo without a control message
func (pc6 PacketConn6) WriteTo(buf []byte, dst net.Addr) (int, error) {
	return pc6.PacketConn.WriteTo(buf, nil, dst)
}

// SetMulticastTTL wraps the hop limit of ipv6
func (pc6 PacketConn6) SetMulticastTTL(i int) error {
	return pc6.SetMulticastHopLimit(i)
}