1 files changed, 0 insertions, 268 deletions
diff --git a/src/pkg/net/udpsock_posix.go b/src/pkg/net/udpsock_posix.go
deleted file mode 100644
index 5dfba94e9..000000000
--- a/src/pkg/net/udpsock_posix.go
+++ /dev/null
@@ -1,268 +0,0 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
-
-package net
-
-import (
-	"syscall"
-	"time"
-)
-
-func sockaddrToUDP(sa syscall.Sockaddr) Addr {
-	switch sa := sa.(type) {
-	case *syscall.SockaddrInet4:
-		return &UDPAddr{IP: sa.Addr[0:], Port: sa.Port}
-	case *syscall.SockaddrInet6:
-		return &UDPAddr{IP: sa.Addr[0:], Port: sa.Port, Zone: zoneToString(int(sa.ZoneId))}
-	}
-	return nil
-}
-
-func (a *UDPAddr) family() int {
-	if a == nil || len(a.IP) <= IPv4len {
-		return syscall.AF_INET
-	}
-	if a.IP.To4() != nil {
-		return syscall.AF_INET
-	}
-	return syscall.AF_INET6
-}
-
-func (a *UDPAddr) isWildcard() bool {
-	if a == nil || a.IP == nil {
-		return true
-	}
-	return a.IP.IsUnspecified()
-}
-
-func (a *UDPAddr) sockaddr(family int) (syscall.Sockaddr, error) {
-	if a == nil {
-		return nil, nil
-	}
-	return ipToSockaddr(family, a.IP, a.Port, a.Zone)
-}
-
-// UDPConn is the implementation of the Conn and PacketConn interfaces
-// for UDP network connections.
-type UDPConn struct {
-	conn
-}
-
-func newUDPConn(fd *netFD) *UDPConn { return &UDPConn{conn{fd}} }
-
-// ReadFromUDP reads a UDP packet from c, copying the payload into b.
-// It returns the number of bytes copied into b and the return address
-// that was on the packet.
-//
-// ReadFromUDP can be made to time out and return an error with
-// Timeout() == true after a fixed time limit; see SetDeadline and
-// SetReadDeadline.
-func (c *UDPConn) ReadFromUDP(b []byte) (n int, addr *UDPAddr, err error) {
-	if !c.ok() {
-		return 0, nil, syscall.EINVAL
-	}
-	n, sa, err := c.fd.readFrom(b)
-	switch sa := sa.(type) {
-	case *syscall.SockaddrInet4:
-		addr = &UDPAddr{IP: sa.Addr[0:], Port: sa.Port}
-	case *syscall.SockaddrInet6:
-		addr = &UDPAddr{IP: sa.Addr[0:], Port: sa.Port, Zone: zoneToString(int(sa.ZoneId))}
-	}
-	return
-}
-
-// ReadFrom implements the PacketConn ReadFrom method.
-func (c *UDPConn) ReadFrom(b []byte) (int, Addr, error) {
-	if !c.ok() {
-		return 0, nil, syscall.EINVAL
-	}
-	n, addr, err := c.ReadFromUDP(b)
-	return n, addr.toAddr(), err
-}
-
-// ReadMsgUDP reads a packet from c, copying the payload into b and
-// the associated out-of-band data into oob.  It returns the number
-// of bytes copied into b, the number of bytes copied into oob, the
-// flags that were set on the packet and the source address of the
-// packet.
-func (c *UDPConn) ReadMsgUDP(b, oob []byte) (n, oobn, flags int, addr *UDPAddr, err error) {
-	if !c.ok() {
-		return 0, 0, 0, nil, syscall.EINVAL
-	}
-	var sa syscall.Sockaddr
-	n, oobn, flags, sa, err = c.fd.readMsg(b, oob)
-	switch sa := sa.(type) {
-	case *syscall.SockaddrInet4:
-		addr = &UDPAddr{IP: sa.Addr[0:], Port: sa.Port}
-	case *syscall.SockaddrInet6:
-		addr = &UDPAddr{IP: sa.Addr[0:], Port: sa.Port, Zone: zoneToString(int(sa.ZoneId))}
-	}
-	return
-}
-
-// WriteToUDP writes a UDP packet to addr via c, copying the payload
-// from b.
-//
-// WriteToUDP can be made to time out and return an error with
-// Timeout() == true after a fixed time limit; see SetDeadline and
-// SetWriteDeadline.  On packet-oriented connections, write timeouts
-// are rare.
-func (c *UDPConn) WriteToUDP(b []byte, addr *UDPAddr) (int, error) {
-	if !c.ok() {
-		return 0, syscall.EINVAL
-	}
-	if c.fd.isConnected {
-		return 0, &OpError{"write", c.fd.net, addr, ErrWriteToConnected}
-	}
-	if addr == nil {
-		return 0, &OpError{Op: "write", Net: c.fd.net, Addr: nil, Err: errMissingAddress}
-	}
-	sa, err := addr.sockaddr(c.fd.family)
-	if err != nil {
-		return 0, &OpError{"write", c.fd.net, addr, err}
-	}
-	return c.fd.writeTo(b, sa)
-}
-
-// WriteTo implements the PacketConn WriteTo method.
-func (c *UDPConn) WriteTo(b []byte, addr Addr) (int, error) {
-	if !c.ok() {
-		return 0, syscall.EINVAL
-	}
-	a, ok := addr.(*UDPAddr)
-	if !ok {
-		return 0, &OpError{"write", c.fd.net, addr, syscall.EINVAL}
-	}
-	return c.WriteToUDP(b, a)
-}
-
-// WriteMsgUDP writes a packet to addr via c, copying the payload from
-// b and the associated out-of-band data from oob.  It returns the
-// number of payload and out-of-band bytes written.
-func (c *UDPConn) WriteMsgUDP(b, oob []byte, addr *UDPAddr) (n, oobn int, err error) {
-	if !c.ok() {
-		return 0, 0, syscall.EINVAL
-	}
-	if c.fd.isConnected {
-		return 0, 0, &OpError{"write", c.fd.net, addr, ErrWriteToConnected}
-	}
-	if addr == nil {
-		return 0, 0, &OpError{Op: "write", Net: c.fd.net, Addr: nil, Err: errMissingAddress}
-	}
-	sa, err := addr.sockaddr(c.fd.family)
-	if err != nil {
-		return 0, 0, &OpError{"write", c.fd.net, addr, err}
-	}
-	return c.fd.writeMsg(b, oob, sa)
-}
-
-// DialUDP connects to the remote address raddr on the network net,
-// which must be "udp", "udp4", or "udp6".  If laddr is not nil, it is
-// used as the local address for the connection.
-func DialUDP(net string, laddr, raddr *UDPAddr) (*UDPConn, error) {
-	switch net {
-	case "udp", "udp4", "udp6":
-	default:
-		return nil, &OpError{Op: "dial", Net: net, Addr: raddr, Err: UnknownNetworkError(net)}
-	}
-	if raddr == nil {
-		return nil, &OpError{Op: "dial", Net: net, Addr: nil, Err: errMissingAddress}
-	}
-	return dialUDP(net, laddr, raddr, noDeadline)
-}
-
-func dialUDP(net string, laddr, raddr *UDPAddr, deadline time.Time) (*UDPConn, error) {
-	fd, err := internetSocket(net, laddr, raddr, deadline, syscall.SOCK_DGRAM, 0, "dial", sockaddrToUDP)
-	if err != nil {
-		return nil, &OpError{Op: "dial", Net: net, Addr: raddr, Err: err}
-	}
-	return newUDPConn(fd), nil
-}
-
-// ListenUDP listens for incoming UDP packets addressed to the local
-// address laddr.  Net must be "udp", "udp4", or "udp6".  If laddr has
-// a port of 0, ListenUDP will choose an available port.
-// The LocalAddr method of the returned UDPConn can be used to
-// discover the port.  The returned connection's ReadFrom and WriteTo
-// methods can be used to receive and send UDP packets with per-packet
-// addressing.
-func ListenUDP(net string, laddr *UDPAddr) (*UDPConn, error) {
-	switch net {
-	case "udp", "udp4", "udp6":
-	default:
-		return nil, &OpError{Op: "listen", Net: net, Addr: laddr, Err: UnknownNetworkError(net)}
-	}
-	if laddr == nil {
-		laddr = &UDPAddr{}
-	}
-	fd, err := internetSocket(net, laddr, nil, noDeadline, syscall.SOCK_DGRAM, 0, "listen", sockaddrToUDP)
-	if err != nil {
-		return nil, &OpError{Op: "listen", Net: net, Addr: laddr, Err: err}
-	}
-	return newUDPConn(fd), nil
-}
-
-// ListenMulticastUDP listens for incoming multicast UDP packets
-// addressed to the group address gaddr on ifi, which specifies the
-// interface to join.  ListenMulticastUDP uses default multicast
-// interface if ifi is nil.
-func ListenMulticastUDP(net string, ifi *Interface, gaddr *UDPAddr) (*UDPConn, error) {
-	switch net {
-	case "udp", "udp4", "udp6":
-	default:
-		return nil, &OpError{Op: "listen", Net: net, Addr: gaddr, Err: UnknownNetworkError(net)}
-	}
-	if gaddr == nil || gaddr.IP == nil {
-		return nil, &OpError{Op: "listen", Net: net, Addr: nil, Err: errMissingAddress}
-	}
-	fd, err := internetSocket(net, gaddr, nil, noDeadline, syscall.SOCK_DGRAM, 0, "listen", sockaddrToUDP)
-	if err != nil {
-		return nil, &OpError{Op: "listen", Net: net, Addr: gaddr, Err: err}
-	}
-	c := newUDPConn(fd)
-	if ip4 := gaddr.IP.To4(); ip4 != nil {
-		if err := listenIPv4MulticastUDP(c, ifi, ip4); err != nil {
-			c.Close()
-			return nil, &OpError{Op: "listen", Net: net, Addr: &IPAddr{IP: ip4}, Err: err}
-		}
-	} else {
-		if err := listenIPv6MulticastUDP(c, ifi, gaddr.IP); err != nil {
-			c.Close()
-			return nil, &OpError{Op: "listen", Net: net, Addr: &IPAddr{IP: gaddr.IP}, Err: err}
-		}
-	}
-	return c, nil
-}
-
-func listenIPv4MulticastUDP(c *UDPConn, ifi *Interface, ip IP) error {
-	if ifi != nil {
-		if err := setIPv4MulticastInterface(c.fd, ifi); err != nil {
-			return err
-		}
-	}
-	if err := setIPv4MulticastLoopback(c.fd, false); err != nil {
-		return err
-	}
-	if err := joinIPv4Group(c.fd, ifi, ip); err != nil {
-		return err
-	}
-	return nil
-}
-
-func listenIPv6MulticastUDP(c *UDPConn, ifi *Interface, ip IP) error {
-	if ifi != nil {
-		if err := setIPv6MulticastInterface(c.fd, ifi); err != nil {
-			return err
-		}
-	}
-	if err := setIPv6MulticastLoopback(c.fd, false); err != nil {
-		return err
-	}
-	if err := joinIPv6Group(c.fd, ifi, ip); err != nil {
-		return err
-	}
-	return nil
-}