//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)); } }