Imported Upstream version 60upstream/60

1 files changed, 40 insertions, 0 deletions

diff --git a/src/pkg/net/udpsock.go b/src/pkg/net/udpsock.go
new file mode 100644
index 000000000..3dfa71675
--- /dev/null
+++ b/src/pkg/net/udpsock.go
@@ -0,0 +1,40 @@
+// 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.
+
+// UDP sockets
+
+package net
+
+import (
+	"os"
+)
+
+// UDPAddr represents the address of a UDP end point.
+type UDPAddr struct {
+	IP   IP
+	Port int
+}
+
+// Network returns the address's network name, "udp".
+func (a *UDPAddr) Network() string { return "udp" }
+
+func (a *UDPAddr) String() string {
+	if a == nil {
+		return "<nil>"
+	}
+	return JoinHostPort(a.IP.String(), itoa(a.Port))
+}
+
+// ResolveUDPAddr parses addr as a UDP address of the form
+// host:port and resolves domain names or port names to
+// numeric addresses on the network net, which must be "udp",
+// "udp4" or "udp6".  A literal IPv6 host address must be
+// enclosed in square brackets, as in "[::]:80".
+func ResolveUDPAddr(net, addr string) (*UDPAddr, os.Error) {
+	ip, port, err := hostPortToIP(net, addr)
+	if err != nil {
+		return nil, err
+	}
+	return &UDPAddr{ip, port}, nil
+}