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One RouterLSA per node

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This commit is contained in:
Craig Dowell
2007-07-10 17:59:11 -07:00
parent 4e86f62a64
commit e47dd4f054
1 changed files with 17 additions and 12 deletions
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29
src/routing/static-router.cc
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@@ -203,6 +203,15 @@ StaticRouter::DiscoverLSAs (void)
Ptr<Ipv4> ipv4Local = m_node->QueryInterface<Ipv4> (Ipv4::iid);
NS_ASSERT_MSG(ipv4Local, "QI for <Ipv4> interface failed");
//
// We are, for now at least, only going to report RouterLSAs in this method.
// What this means is that there is going to be one advertisement with some
// number of link records. This means that GetNumLSAs will actually always
// return exactly one.
//
StaticRouterLSA *pLSA = new StaticRouterLSA;
pLSA->m_linkStateId = m_routerId;
pLSA->m_advertisingRtr = m_routerId;
//
// We need to ask the node for the number of net devices attached. This isn't
// necessarily equal to the number of links to adjacent nodes (other routers)
// as the number of devices may include those for stub networks (e.g.,
@@ -277,15 +286,10 @@ StaticRouter::DiscoverLSAs (void)
Ipv4Mask maskRemote = ipv4Remote->GetNetworkMask(ifIndexRemote);
NS_DEBUG("Working with remote address " << addrRemote);
//
// Now we can fill out the link state advertisement for this link. There
// are always two link records; the first is a point-to-point record
// describing the link and the second is a stub network record with the
// network number.
// Now we can fill out the link records for this link. There are always two
// link records; the first is a point-to-point record describing the link and
// the second is a stub network record with the network number.
//
StaticRouterLSA *pLSA = new StaticRouterLSA;
pLSA->m_linkStateId = m_routerId;
pLSA->m_advertisingRtr = m_routerId;
StaticRouterLinkRecord *plr = new StaticRouterLinkRecord;
plr->m_linkType = StaticRouterLinkRecord::PointToPoint;
plr->m_linkId = rtrIdRemote;
@@ -299,11 +303,12 @@ StaticRouter::DiscoverLSAs (void)
plr->m_linkData.Set(maskRemote.GetHostOrder()); // Frown
pLSA->AddLinkRecord(plr);
plr = 0;
m_LSAs.push_back (pLSA);
NS_DEBUG(*pLSA);
}
//
// The LSA goes on a list of LSAs in case we want to begin exporting other
// kinds of advertisements (than Router LSAs).
m_LSAs.push_back (pLSA);
NS_DEBUG(*pLSA);
return m_LSAs.size ();
}