53 lines
850 B
Go
53 lines
850 B
Go
package util
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"net"
|
|
"os"
|
|
)
|
|
|
|
func CopyFile(srcPath, dstPath string) error {
|
|
fin, err := os.Open(srcPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer fin.Close()
|
|
|
|
fout, err := os.Create(dstPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer fout.Close()
|
|
|
|
_, err = io.Copy(fout, fin)
|
|
return err
|
|
}
|
|
|
|
func GetLocalIP() (string, error) {
|
|
interfaces, err := net.Interfaces()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
for _, iface := range interfaces {
|
|
if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
|
|
continue
|
|
}
|
|
|
|
addrs, err := iface.Addrs()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
for _, addr := range addrs {
|
|
ipnet, ok := addr.(*net.IPNet)
|
|
if ok && !ipnet.IP.IsLoopback() && ipnet.IP.To4() != nil {
|
|
return ipnet.IP.String(), nil
|
|
}
|
|
}
|
|
}
|
|
|
|
return "", fmt.Errorf("no suitable interface found")
|
|
}
|