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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::IntraAreaPrefixLsa::Update(const OspfIntraAreaPrefixLsa6* 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::IntraAreaPrefixLsa::DiffersFrom(const OspfIntraAreaPrefixLsa6* intraAreaPrefixLsa) const {
00031 
00032    const OspfLsaHeader6& lsaHeader = intraAreaPrefixLsa->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 (referencedLsType_var != intraAreaPrefixLsa->getReferencedLsType()){
00042       return true;
00043    }else if (referencedLinkStateID_var != intraAreaPrefixLsa->getReferencedLinkStateID()){
00044       return true;
00045    }else if (referencedAdvertisingRouter_var != intraAreaPrefixLsa->getReferencedAdvertisingRouter()){
00046       return true;
00047    }else{
00048 
00049       unsigned int prefixesCount = prefixes_arraysize;
00050       for (unsigned int i = 0; i < prefixesCount; i++){
00051          if (prefixes_var[i] != intraAreaPrefixLsa->getPrefixes(i)){
00052             return true;
00053          }
00054       }
00055    }
00056 
00057    return false;
00058 }