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// +build !linux
package main
import (
"net"
)
/* This code is meant to be a temporary solution
* on platforms for which the sticky socket / source caching behavior
* has not yet been implemented.
*
* See conn_linux.go for an implementation on the linux platform.
*/
type NativeBind struct {
ipv4 *net.UDPConn
ipv6 *net.UDPConn
}
type NativeEndpoint net.UDPAddr
var _ Bind = (*NativeBind)(nil)
var _ Endpoint = (*NativeEndpoint)(nil)
func CreateEndpoint(s string) (Endpoint, error) {
addr, err := parseEndpoint(s)
return (addr).(*NativeEndpoint), err
}
func (_ *NativeEndpoint) ClearSrc() {}
func (e *NativeEndpoint) DstIP() net.IP {
return (*net.UDPAddr)(e).IP
}
func (e *NativeEndpoint) SrcIP() net.IP {
return nil // not supported
}
func (e *NativeEndpoint) DstToBytes() []byte {
addr := (*net.UDPAddr)(e)
out := addr.IP.([]byte)
out = append(out, byte(addr.Port&0xff))
out = append(out, byte((addr.Port>>8)&0xff))
return out
}
func (e *NativeEndpoint) DstToString() string {
return (*net.UDPAddr)(e).String()
}
func (e *NativeEndpoint) SrcToString() string {
return ""
}
func listenNet(net string, port int) (*net.UDPConn, int, error) {
// listen
conn, err := net.ListenUDP("udp", &UDPAddr{Port: port})
if err != nil {
return nil, 0, err
}
// retrieve port
laddr := conn.LocalAddr()
uaddr, _ = net.ResolveUDPAddr(
laddr.Network(),
laddr.String(),
)
return conn, uaddr.Port, nil
}
func CreateBind(port uint16) (Bind, uint16, error) {
// listen
addr := UDPAddr{
Port: int(port),
}
conn, err := net.ListenUDP("udp", &addr)
if err != nil {
return nil, 0, err
}
// retrieve port
laddr := conn.LocalAddr()
uaddr, _ = net.ResolveUDPAddr(
laddr.Network(),
laddr.String(),
)
return uaddr.Port
}
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