diff options
Diffstat (limited to 'dhcpv6/dhcpv6message.go')
| -rw-r--r-- | dhcpv6/dhcpv6message.go | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/dhcpv6/dhcpv6message.go b/dhcpv6/dhcpv6message.go index d099386..4e5717f 100644 --- a/dhcpv6/dhcpv6message.go +++ b/dhcpv6/dhcpv6message.go @@ -116,6 +116,20 @@ func (mo MessageOptions) BootFileURL() string { return "" } +// ElapsedTime returns the Elapsed Time option as defined by RFC 3315 Section 22.9. +// +// ElapsedTime returns a duration of 0 if the option is not present. +func (mo MessageOptions) ElapsedTime() time.Duration { + opt := mo.Options.GetOne(OptionElapsedTime) + if opt == nil { + return 0 + } + if t, ok := opt.(*optElapsedTime); ok { + return t.ElapsedTime + } + return 0 +} + // Message represents a DHCPv6 Message as defined by RFC 3315 Section 6. type Message struct { MessageType MessageType @@ -164,7 +178,7 @@ func NewSolicit(hwaddr net.HardwareAddr, modifiers ...Modifier) (*Message, error OptionDNSRecursiveNameServer, OptionDomainSearchList, )) - m.AddOption(&OptElapsedTime{}) + m.AddOption(OptElapsedTime(0)) if len(hwaddr) < 4 { return nil, errors.New("short hardware addrss: less than 4 bytes") } @@ -233,7 +247,7 @@ func NewRequestFromAdvertise(adv *Message, modifiers ...Modifier) (*Message, err } req.AddOption(sid) // add Elapsed Time - req.AddOption(&OptElapsedTime{}) + req.AddOption(OptElapsedTime(0)) // add IA_NA iana := adv.Options.OneIANA() if iana == nil { |