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00001 //
00002 // This program is free software: you can redistribute it and/or modify
00003 // it under the terms of the GNU Lesser General Public License as published by
00004 // the Free Software Foundation, either version 3 of the License, or
00005 // (at your option) any later version.
00006 //
00007 // This program is distributed in the hope that it will be useful,
00008 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00009 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00010 // GNU Lesser General Public License for more details.
00011 //
00012 // You should have received a copy of the GNU Lesser General Public License
00013 // along with this program.  If not, see http://www.gnu.org/licenses/.
00014 //
00015 
00016 #include "ansaLsa6.h"
00017 
00018 bool AnsaOspf6::AsExternalLsa::Update(const OspfAsExternalLsa6* lsa) {
00019    bool different = DiffersFrom(lsa);
00020    (*this) = (*lsa);
00021    ResetInstallTime();
00022    if (different){
00023       ClearNextHops();
00024       return true;
00025    }else{
00026       return false;
00027    }
00028 }
00029 
00030 bool AnsaOspf6::AsExternalLsa::DiffersFrom(const OspfAsExternalLsa6* asExternalLsa) const {
00031 
00032    const OspfLsaHeader6& lsaHeader = asExternalLsa->getHeader();
00033 
00034    if (((header_var.getLsAge() == MAX_AGE) && (lsaHeader.getLsAge() != MAX_AGE))
00035          || ((header_var.getLsAge() != MAX_AGE) && (lsaHeader.getLsAge() == MAX_AGE))
00036          || (header_var.getAdvertisingRouter() != lsaHeader.getAdvertisingRouter())
00037          || (header_var.getLsSequenceNumber() != lsaHeader.getLsSequenceNumber())){
00038       return true;
00039 
00040 
00041    }else if (E_ExternalMetricType_var != asExternalLsa->getE_ExternalMetricType()){
00042       return true;
00043    }else if (F_ForwardingAddress_var != asExternalLsa->getF_ForwardingAddress()){
00044       return true;
00045    }else if (T_ExternalRouteTag_var != asExternalLsa->getT_ExternalRouteTag()){
00046       return true;
00047    }else if (metric_var != asExternalLsa->getMetric()){
00048       return true;
00049    }else if (prefixLenght_var != asExternalLsa->getPrefixLenght()){
00050       return true;
00051    }else if (prefixOptions_var != asExternalLsa->getPrefixOptions()){
00052       return true;
00053    }else if (referencedLsType_var != asExternalLsa->getReferencedLsType()){
00054       return true;
00055    }else if (addressPrefix_var != asExternalLsa->getAddressPrefix()){
00056       return true;
00057    }else if (forwardingAddress_var != asExternalLsa->getForwardingAddress()){
00058       return true;
00059    }else if (externalRouteTag_var != asExternalLsa->getExternalRouteTag()){
00060       return true;
00061    }else if (referencedLinkStateID_var != asExternalLsa->getReferencedLinkStateID()){
00062       return true;
00063    }
00064 
00065    return false;
00066 }