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package dhcpv4
import (
"fmt"
"net"
)
// This option implements the network time protocol servers option
// https://tools.ietf.org/html/rfc2132
// OptNTPServers represents an option encapsulating the NTP servers.
type OptNTPServers struct {
NTPServers []net.IP
}
// ParseOptNTPServers returns a new OptNTPServers from a byte stream, or error if any.
func ParseOptNTPServers(data []byte) (*OptNTPServers, error) {
ips, err := ParseIPs(data)
if err != nil {
return nil, err
}
return &OptNTPServers{NTPServers: ips}, nil
}
// Code returns the option code.
func (o *OptNTPServers) Code() OptionCode {
return OptionNTPServers
}
// ToBytes returns a serialized stream of bytes for this option.
func (o *OptNTPServers) ToBytes() []byte {
return IPsToBytes(o.NTPServers)
}
// String returns a human-readable string.
func (o *OptNTPServers) String() string {
return fmt.Sprintf("NTP Servers -> %v", IPsToString(o.NTPServers))
}
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