55 lines
1 KiB
Go
55 lines
1 KiB
Go
package devicepath
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
const ipv4Prefix string = "IPv4"
|
|
|
|
type Ipv4DevicePath struct {
|
|
remoteIP string
|
|
protocol string
|
|
static bool
|
|
}
|
|
|
|
func (ip *Ipv4DevicePath) Type() DeviceNodeType {
|
|
return MessagingDevicePath
|
|
}
|
|
|
|
func (ip *Ipv4DevicePath) SubType() DeviceNodeSubType {
|
|
return IPv4MessagingSubType
|
|
}
|
|
|
|
func (ip *Ipv4DevicePath) Bytes() []byte {
|
|
return nil
|
|
}
|
|
|
|
func (ip *Ipv4DevicePath) String() string {
|
|
ipType := 0
|
|
if ip.static {
|
|
ipType = 1
|
|
}
|
|
return fmt.Sprintf("%s(%s,%s,%d)", ipv4Prefix, ip.remoteIP, ip.protocol, ipType)
|
|
}
|
|
|
|
func (ip *Ipv4DevicePath) ParseString(raw string) error {
|
|
if !checkStringFormat(raw, ipv4Prefix, -1) {
|
|
return ErrMalformedString
|
|
}
|
|
args := strings.Split(raw[len(ipv4Prefix)+1:len(raw)-1], ",")
|
|
if len(args) != 3 {
|
|
return errors.New("unexpected number of arguments")
|
|
}
|
|
|
|
ip.remoteIP = args[0]
|
|
ip.protocol = args[1]
|
|
if ipType, err := strconv.Atoi(args[2]); err != nil {
|
|
return err
|
|
} else {
|
|
ip.static = ipType == 1
|
|
}
|
|
return nil
|
|
}
|