internal override void EnterEvent()
{
// Yay! We got DHCP configuration information
DateTime now = DateTime.Now;
// Set up renewal timer
DhcpDWordOption renewalOption =
hostOptions[DhcpRenewalTime.OptionCode] as DhcpDWordOption;
uint renewalSeconds = 3600;
if (renewalOption != null)
{
renewalSeconds = renewalOption.Value;
}
client.SetRenewalTimeout(now + TimeSpan.FromSeconds(renewalSeconds));
// Set up rebinding timer
DhcpDWordOption rebindOption =
hostOptions[DhcpRebindingTime.OptionCode] as DhcpDWordOption;
uint rebindSeconds = renewalSeconds + 60;
if (rebindOption != null)
{
rebindSeconds = Math.Max(rebindOption.Value,
renewalSeconds + 1);
}
client.SetRebindTimeout(now + TimeSpan.FromSeconds(rebindSeconds));
// Add host address as a dhcp option and then get client
// to install settings.
hostOptions[DhcpRequestedIPAddress.OptionCode] =
DhcpRequestedIPAddress.Create(hostAddress);
if (client.InstallDhcpOptions(hostOptions) == false)
{
client.ChangeState(new DhcpClientStateInitialize(client));
}
DebugStub.Print("DHCP client acquired lease of " + hostAddress + " for " + rebindSeconds + " seconds. ");
}
static IDhcpOption ParseDhcpOption(
byte optionCode,
byte length,
byte[] srcBuffer,
int offset)
{
byte type = optionCode;
switch (optionCode)
{
case DhcpSubnetMask.OptionCode:
return(DhcpIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpTimeOffset.OptionCode:
return(DhcpDWordOption.Parse(type, length, srcBuffer, offset));
case DhcpRouter.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpTimeServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpNameServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpDomainNameServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpLogServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpCookieServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpLprServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpImpressServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpResourceLocationServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpHostName.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpBootFileSize.OptionCode:
return(DhcpWordOption.Parse(type, length, srcBuffer, offset));
case DhcpMeritDumpFile.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpDomainName.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpSwapServer.OptionCode:
return(DhcpIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpRootPath.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpExtensionsPath.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpIPForwarding.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpForwardRemoteSourceRoute.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpPolicyFilter.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpMaximumDatagramReassembly.OptionCode:
return(DhcpWordOption.Parse(type, length, srcBuffer, offset));
case DhcpDefaultTtl.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpPathMtuAgingTimeout.OptionCode:
return(DhcpDWordOption.Parse(type, length, srcBuffer, offset));
case DhcpPathMtuPlateauTable.OptionCode:
return(DhcpMultiWordOption.Parse(type, length, srcBuffer, offset));
case DhcpInterfaceMtu.OptionCode:
return(DhcpWordOption.Parse(type, length, srcBuffer, offset));
case DhcpAllSubnetsLocal.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpBroadcastAddress.OptionCode:
return(DhcpIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpMaskDiscovery.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpMaskSupplier.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpRouterDiscovery.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpRouterSolicitationAddress.OptionCode:
return(DhcpIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpStaticRoutes.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpTrailerEncapsulate.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpArpCacheTimeout.OptionCode:
return(DhcpDWordOption.Parse(type, length, srcBuffer, offset));
case DhcpEthernetEncapsulation.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpTcpDefaultTtl.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpTcpKeepalive.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpTcpKeepaliveGarbage.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpNisDomain.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpNisServers.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpNtpServers.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpVendorSpecific.OptionCode:
return(DhcpMultiByteOption.Parse(type, length, srcBuffer, offset));
case DhcpNetBiosNameServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpNetBiosDistributionServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpNetBiosType.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpNetBiosScope.OptionCode:
return(DhcpMultiDWordOption.Parse(type, length, srcBuffer, offset));
case DhcpXWindowsFontServer.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpXWindowsDisplayManager.OptionCode:
return(DhcpMultiIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpRequestedIPAddress.OptionCode:
return(DhcpIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpIPAddressLeaseTime.OptionCode:
return(DhcpDWordOption.Parse(type, length, srcBuffer, offset));
case DhcpOverloadIndicator.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpMessageType.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
case DhcpServerID.OptionCode:
return(DhcpIPv4Option.Parse(type, length, srcBuffer, offset));
case DhcpParameterRequest.OptionCode:
return(DhcpMultiByteOption.Parse(type, length, srcBuffer, offset));
case DhcpMessage.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpMaximumMessageSize.OptionCode:
return(DhcpWordOption.Parse(type, length, srcBuffer, offset));
case DhcpRenewalTime.OptionCode:
return(DhcpDWordOption.Parse(type, length, srcBuffer, offset));
case DhcpRebindingTime.OptionCode:
return(DhcpDWordOption.Parse(type, length, srcBuffer, offset));
case DhcpClassID.OptionCode:
return(DhcpStringOption.Parse(type, length, srcBuffer, offset));
case DhcpClientID.OptionCode:
return(DhcpMultiByteOption.Parse(type, length, srcBuffer, offset));
case DhcpAutoConfigure.OptionCode:
return(DhcpByteOption.Parse(type, length, srcBuffer, offset));
default: return(null);
}
}