//Populate v4 options.
//@param link the link
//@param configObj the config object or null if none
protected void PopulateV4Reply(DhcpLink dhcpLink, DhcpV4OptionConfigObject configObj)
{
string sname = DhcpServerPolicies.EffectivePolicy(_requestMsg, configObj,
dhcpLink.GetLink(), Property.V4_HEADER_SNAME);
if (!String.IsNullOrEmpty(sname))
{
_replyMsg.SetsName(sname);
}
string filename = DhcpServerPolicies.EffectivePolicy(_requestMsg, configObj,
dhcpLink.GetLink(), Property.V4_HEADER_FILENAME);
if (!String.IsNullOrEmpty(filename))
{
_replyMsg.SetFile(filename);
}
Dictionary <int, DhcpOption> optionMap =
_dhcpServerConfig.EffectiveV4AddrOptions(_requestMsg, dhcpLink, configObj);
if (DhcpServerPolicies.EffectivePolicyAsBoolean(configObj,
dhcpLink.GetLink(), Property.SEND_REQUESTED_OPTIONS_ONLY))
{
optionMap = RequestedOptions(optionMap, _requestMsg);
}
_replyMsg.PutAllDhcpOptions(optionMap);
// copy the relay agent info option from request to reply
// in order to echo option back to router as required
if (_requestMsg.HasOption(DhcpConstants.V4OPTION_RELAY_INFO))
{
_requestMsg.PutDhcpOption(_requestMsg.GetDhcpOption(DhcpConstants.V4OPTION_RELAY_INFO));
}
}
/**
* Adds the v4 binding to reply.
*
* @param clientLink the client link
* @param binding the binding
*/
protected void AddBindingToReply(DhcpLink clientLink, Binding binding)
{
HashSet <BindingObject> bindingObjs = binding.GetBindingObjects();
if ((bindingObjs != null) && bindingObjs.Count > 0)
{
if (bindingObjs.Count == 1)
{
BindingObject bindingObj = bindingObjs.First();
IPAddress inetAddr = bindingObj.GetIpAddress();
if (inetAddr != null)
{
_replyMsg.SetYiAddr(inetAddr);
// must be an DhcpV4OptionConfigObject for v4 binding
DhcpV4OptionConfigObject configObj =
(DhcpV4OptionConfigObject)bindingObj.GetConfigObj();
if (configObj != null)
{
long preferred = configObj.GetPreferredLifetime();
DhcpV4LeaseTimeOption dhcpV4LeaseTimeOption = new DhcpV4LeaseTimeOption();
dhcpV4LeaseTimeOption.SetUnsignedInt(preferred);
_replyMsg.PutDhcpOption(dhcpV4LeaseTimeOption);
PopulateV4Reply(clientLink, configObj);
//TODO when do actually start the timer? currently, two get
// created - one during advertise, one during reply
// policy to allow real-time expiration?
// bp.startExpireTimerTask(bindingAddr, iaAddrOption.getValidLifetime());
}
else
{
log.Error("Null binding pool in binding: " + binding.ToString());
}
}
else
{
log.Error("Null address in binding: " + binding.ToString());
}
}
else
{
log.Error("Expected only one bindingObject in v4 Binding, but found " +
bindingObjs.Count + "bindingObjects");
}
}
else
{
log.Error("No V4 bindings in binding object!");
}
}
