blob: f5c0a278107c94ab73e41521539890171a7fd0c5 [file] [log] [blame]
// 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
}