71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
// Copyright 2013, Cong Ding. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Author: Cong Ding <dinggnu@gmail.com>
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package stun
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import (
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"net"
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"strconv"
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)
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// Host defines the network address including address family, IP address and port.
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type Host struct {
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family uint16
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ip string
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port uint16
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}
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func newHostFromStr(s string) *Host {
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udpAddr, err := net.ResolveUDPAddr("udp", s)
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if err != nil {
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return nil
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}
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host := new(Host)
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if udpAddr.IP.To4() != nil {
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host.family = attributeFamilyIPv4
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} else {
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host.family = attributeFamilyIPV6
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}
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host.ip = udpAddr.IP.String()
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host.port = uint16(udpAddr.Port)
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return host
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}
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// Family returns the family type of a host (IPv4 or IPv6).
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func (h *Host) Family() uint16 {
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return h.family
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}
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// IP returns the internet protocol address of the host.
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func (h *Host) IP() string {
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return h.ip
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}
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// Port returns the port number of the host.
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func (h *Host) Port() uint16 {
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return h.port
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}
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// TransportAddr returns the transport layer address of the host.
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func (h *Host) TransportAddr() string {
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return net.JoinHostPort(h.ip, strconv.Itoa(int(h.port)))
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}
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// String returns the string representation of the host address.
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func (h *Host) String() string {
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return h.TransportAddr()
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}
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