47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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// TCPAddr represents the address of a TCP end point.
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type TCPAddr struct {
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IP IP
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Port int
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Zone string // IPv6 scoped addressing zone
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}
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// Network returns the address's network name, "tcp".
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func (a *TCPAddr) Network() string { return "tcp" }
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func (a *TCPAddr) String() string {
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if a == nil {
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return "<nil>"
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}
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if a.Zone != "" {
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return JoinHostPort(a.IP.String()+"%"+a.Zone, itoa(a.Port))
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}
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return JoinHostPort(a.IP.String(), itoa(a.Port))
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}
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// ResolveTCPAddr parses addr as a TCP address of the form "host:port"
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// or "[ipv6-host%zone]:port" and resolves a pair of domain name and
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// port name on the network net, which must be "tcp", "tcp4" or
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// "tcp6". A literal address or host name for IPv6 must be enclosed
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// in square brackets, as in "[::1]:80", "[ipv6-host]:http" or
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// "[ipv6-host%zone]:80".
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func ResolveTCPAddr(net, addr string) (*TCPAddr, error) {
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switch net {
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case "tcp", "tcp4", "tcp6":
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case "": // a hint wildcard for Go 1.0 undocumented behavior
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net = "tcp"
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default:
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return nil, UnknownNetworkError(net)
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}
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a, err := resolveInternetAddr(net, addr, noDeadline)
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if err != nil {
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return nil, err
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}
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return a.(*TCPAddr), nil
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}
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