/
net.go
50 lines (46 loc) · 1.19 KB
/
net.go
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// Copyright 2019 dfuse Platform Inc.
//
// 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 dmesh
import (
"fmt"
"net"
)
func GetLocalIP() string {
ifaces, err := net.Interfaces()
if err != nil {
panic(fmt.Sprintf("couldn't resolve net.Interfaces: %s", err))
}
for _, i := range ifaces {
addrs, err := i.Addrs()
if err != nil {
continue
}
for _, addr := range addrs {
var ip net.IP
switch v := addr.(type) {
case *net.IPNet:
ip = v.IP
case *net.IPAddr:
ip = v.IP
}
if ip.IsGlobalUnicast() {
return ip.String()
}
}
}
panic("couldn't resolve local IP")
}
func getServiceAddr(port string) string {
return fmt.Sprintf("%s:%s", GetLocalIP(), port)
}