//获得公网ip地址
func ExternalIPAddr() {
upnpMan := new(upnp.Upnp)
err := upnpMan.ExternalIPAddr()
if err != nil {
fmt.Println(err.Error())
} else {
fmt.Println("外网ip地址为：", upnpMan.GatewayOutsideIP)
}
}
//添加一个端口映射
func AddPortMapping() {
mapping := new(upnp.Upnp)
if err := mapping.AddPortMapping(55789, 55789, "TCP"); err == nil {
fmt.Println("端口映射成功")
mapping.Reclaim()
} else {
fmt.Println("端口映射失败")
}
}
//搜索网关设备
func SearchGateway() {
upnpMan := new(upnp.Upnp)
err := upnpMan.SearchGateway()
if err != nil {
fmt.Println(err.Error())
} else {
fmt.Println("本机ip地址：", upnpMan.LocalHost)
fmt.Println("upnp设备地址：", upnpMan.Gateway.Host)
}
}