Imported Upstream version 60upstream/60

1 files changed, 40 insertions, 0 deletions

diff --git a/src/pkg/net/tcpsock.go b/src/pkg/net/tcpsock.go
new file mode 100644
index 000000000..f5c0a2781
--- /dev/null
+++ b/src/pkg/net/tcpsock.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.
+
+// TCP sockets
+
+package net
+
+import (
+	"os"
+)
+
+// TCPAddr represents the address of a TCP end point.
+type TCPAddr struct {
+	IP   IP
+	Port int
+}
+
+// Network returns the address's network name, "tcp".
+func (a *TCPAddr) Network() string { return "tcp" }
+
+func (a *TCPAddr) String() string {
+	if a == nil {
+		return "<nil>"
+	}
+	return JoinHostPort(a.IP.String(), itoa(a.Port))
+}
+
+// ResolveTCPAddr parses addr as a TCP address of the form
+// host:port and resolves domain names or port names to
+// numeric addresses on the network net, which must be "tcp",
+// "tcp4" or "tcp6".  A literal IPv6 host address must be
+// enclosed in square brackets, as in "[::]:80".
+func ResolveTCPAddr(net, addr string) (*TCPAddr, os.Error) {
+	ip, port, err := hostPortToIP(net, addr)
+	if err != nil {
+		return nil, err
+	}
+	return &TCPAddr{ip, port}, nil
+}