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00001 #include "AnsaLSA.h"
00002 
00003 bool AnsaOSPF::SummaryLSA::Update(const OSPFSummaryLSA* lsa)
00004 {
00005     bool different = DiffersFrom(lsa);
00006     (*this) = (*lsa);
00007     ResetInstallTime();
00008     if (different) {
00009         ClearNextHops();
00010         return true;
00011     } else {
00012         return false;
00013     }
00014 }
00015 
00016 bool AnsaOSPF::SummaryLSA::DiffersFrom(const OSPFSummaryLSA* summaryLSA) const
00017 {
00018     const OSPFLSAHeader& lsaHeader = summaryLSA->getHeader();
00019     bool differentHeader = ((header_var.getLsOptions() != lsaHeader.getLsOptions()) ||
00020                             ((header_var.getLsAge() == MAX_AGE) && (lsaHeader.getLsAge() != MAX_AGE)) ||
00021                             ((header_var.getLsAge() != MAX_AGE) && (lsaHeader.getLsAge() == MAX_AGE)) ||
00022                             (header_var.getLsaLength() != lsaHeader.getLsaLength()));
00023     bool differentBody   = false;
00024 
00025     if (!differentHeader) {
00026         differentBody = ((networkMask_var != summaryLSA->getNetworkMask()) ||
00027                          (routeCost_var != summaryLSA->getRouteCost()) ||
00028                          (tosData_arraysize != summaryLSA->getTosDataArraySize()));
00029 
00030         if (!differentBody) {
00031             unsigned int tosCount = tosData_arraysize;
00032             for (unsigned int i = 0; i < tosCount; i++) {
00033                 if ((tosData_var[i].tos != summaryLSA->getTosData(i).tos) ||
00034                     (tosData_var[i].tosMetric[0] != summaryLSA->getTosData(i).tosMetric[0]) ||
00035                     (tosData_var[i].tosMetric[1] != summaryLSA->getTosData(i).tosMetric[1]) ||
00036                     (tosData_var[i].tosMetric[2] != summaryLSA->getTosData(i).tosMetric[2]))
00037                 {
00038                     differentBody = true;
00039                     break;
00040                 }
00041             }
00042         }
00043     }
00044 
00045     return (differentHeader || differentBody);
00046 }