blob: 77d460723bc207f7b7192795bfaec7e6693ae235 [file] [log] [blame]
/*
* Copyright 2018-present Open Networking Foundation
* 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 common
import (
"net"
"strconv"
"github.com/opencord/voltha-protos/v3/go/openolt"
)
func OnuSnToString(sn *openolt.SerialNumber) string {
s := string(sn.VendorId)
for _, i := range sn.VendorSpecific {
s = s + strconv.FormatInt(int64(i/16), 16) + strconv.FormatInt(int64(i%16), 16)
}
return s
}
// GetIPAddr returns the IPv4 address of an interface. 0.0.0.0 is returned if the IP cannot be determined.
func GetIPAddr(ifname string) (string, error) {
ip := "0.0.0.0"
intf, err := net.InterfaceByName(ifname)
if err != nil {
return ip, err
}
addrs, err := intf.Addrs()
if err != nil {
return ip, err
}
for _, addr := range addrs {
// get first IPv4 address
switch v := addr.(type) {
case *net.IPNet:
if v.IP.To4() != nil {
ip = v.IP.String()
break
}
}
}
return ip, nil
}