25 lines
644 B
Go
25 lines
644 B
Go
|
// Copyright 2014 Mikio Hara. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package tcp
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/binary"
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
var options = [soMax]option{
|
||
|
|
soBuffered: {0, sysFIONREAD},
|
||
|
|
soAvailable: {sysSOL_SOCKET, sysSO_NWRITE},
|
||
|
|
}
|
||
|
|
|
||
|
|
func (nl *pfiocNatlook) rdPort() int {
|
||
|
|
return int(binary.BigEndian.Uint16(nl.Rdxport[:2]))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (nl *pfiocNatlook) setPort(remote, local int) {
|
||
|
|
binary.BigEndian.PutUint16((*[2]byte)(unsafe.Pointer(&nl.Sxport))[:2], uint16(remote))
|
||
|
|
binary.BigEndian.PutUint16((*[2]byte)(unsafe.Pointer(&nl.Dxport))[:2], uint16(local))
|
||
|
|
}
|