void
VirtualPathSelection::createPeerLink(const wns::service::dll::UnicastAddress myself,
const wns::service::dll::UnicastAddress peer,
const Metric linkMetric)
{
if(useStaticPS)
{
if (wns::simulator::getEventScheduler()->getTime() > staticPSsnapshotTimeout)
{
return;
}
}
assure(mapper.knows(myself), "myself (" << myself << ") is not a known address");
assure(mapper.knows(peer), "peer (" << peer << ") is not a known address");
assure(isMeshPoint(myself) , "myself (" << myself << ") is not a known MP");
assure(isMeshPoint(peer), "peer (" << peer << ") is not a known MP");
assure(linkMetric.isNotInf(), "createPeerLink with metric == inf");
if(isPortal(myself) && isPortal(peer))
{
MESSAGE_SINGLE(NORMAL, logger, "createPeerLink: Ignore wireless link between " << myself << " and " << peer << ", both are portals");
}
else
{
int myselfId = mapper.get(myself);
int peerId = mapper.get(peer);
assure(linkCosts[myselfId][peerId].isInf(), "createPeerLink with already known linkCosts");
Metric newLinkMetric = linkMetric;
if(preKnowledgeCosts[myselfId][peerId].isNotInf())
{
newLinkMetric = newLinkMetric * (1.0-preKnowledgeAlpha) + preKnowledgeCosts[myselfId][peerId] * preKnowledgeAlpha;
MESSAGE_SINGLE(NORMAL, logger, "createPeerLink: " << myself << "->" << peer << " has preKnowledge of " << preKnowledgeCosts[myselfId][peerId] << ", " << linkMetric << "->" << newLinkMetric);
}
linkCosts[myselfId][peerId] = newLinkMetric;
MESSAGE_SINGLE(NORMAL, logger, "createPeerLink: " << myself << " --> " << peer << " costs " << linkCosts[myselfId][peerId]);
pathMatrixIsConsistent = false;
onNewPathSelectionEntry();
}
}
