/*
 * Copyright © 2021 peizhaoyou <peizhaoyou@4paradigm.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package server

import (
	"net"
)

func listAddresses() (addresses []string) {
	ifaces, err := net.Interfaces()
	if err != nil {
		return []string{}
	}

	addresses = make([]string, 0, len(ifaces))

	for _, iface := range ifaces {
		ifAddrs, _ := iface.Addrs()
		for _, ifAddr := range ifAddrs {
			switch v := ifAddr.(type) {
			case *net.IPNet:
				addresses = append(addresses, v.IP.String())
			case *net.IPAddr:
				addresses = append(addresses, v.IP.String())
			}
		}
	}

	return addresses
}
