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more search fixes/updates

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This commit is contained in:
Arceliar 2020-02-06 20:21:17 -06:00
parent cd856426e5
commit 7c2cb9a02d
1 changed files with 18 additions and 16 deletions
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34
src/yggdrasil/search.go
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@ -83,7 +83,6 @@ func (sinfo *searchInfo) handleDHTRes(res *dhtRes) {
if res != nil {
sinfo.recv++
if sinfo.checkDHTRes(res) {
sinfo.searches.router.core.log.Debugln("Finished search:", sinfo.dest, sinfo.send, sinfo.recv)
return // Search finished successfully
}
// Add results to the search
@ -97,22 +96,22 @@ func (sinfo *searchInfo) handleDHTRes(res *dhtRes) {
// Adds the information from a dhtRes to an ongoing search.
// Info about a node that has already been visited is not re-added to the search.
// Duplicate information about nodes toVisit is deduplicated (the newest information is kept).
func (sinfo *searchInfo) addToSearch(res *dhtRes) {
// Add to search
for _, info := range res.Infos {
if *info.getNodeID() == sinfo.visited {
// dht_ordered could return true here, but we want to skip it in this case
continue
sinfo.toVisit = append(sinfo.toVisit, info)
}
// Sort
sort.SliceStable(sinfo.toVisit, func(i, j int) bool {
// Should return true if i is closer to the destination than j
return dht_ordered(&sinfo.dest, sinfo.toVisit[i].getNodeID(), sinfo.toVisit[j].getNodeID())
})
// Remove anything too far away
for idx, info := range sinfo.toVisit {
if *info.getNodeID() == sinfo.visited || !dht_ordered(&sinfo.dest, info.getNodeID(), &sinfo.visited) {
sinfo.toVisit = sinfo.toVisit[:idx]
break
}
if dht_ordered(&sinfo.dest, info.getNodeID(), &sinfo.visited) && *info.getNodeID() != sinfo.visited {
// Response is closer to the destination
sinfo.toVisit = append(sinfo.toVisit, info)
}
// Sort
sort.SliceStable(sinfo.toVisit, func(i, j int) bool {
// Should return true if i is closer to the destination than j
return dht_ordered(&sinfo.dest, sinfo.toVisit[i].getNodeID(), sinfo.toVisit[j].getNodeID())
})
}
}
@ -174,7 +173,7 @@ func (s *searches) newIterSearch(dest *crypto.NodeID, mask *crypto.NodeID, callb
// Otherwise return false.
func (sinfo *searchInfo) checkDHTRes(res *dhtRes) bool {
from := dhtInfo{key: res.Key, coords: res.Coords}
if dht_ordered(&sinfo.dest, from.getNodeID(), &sinfo.visited) {
if *from.getNodeID() != sinfo.visited && dht_ordered(&sinfo.dest, from.getNodeID(), &sinfo.visited) {
// Closer to the destination, so update visited
sinfo.searches.router.core.log.Debugln("Updating search:", sinfo.dest, *from.getNodeID(), sinfo.send, sinfo.recv)
sinfo.visited = *from.getNodeID()
@ -202,7 +201,10 @@ func (sinfo *searchInfo) checkDHTRes(res *dhtRes) bool {
sinfo.callback(sess, nil)
}
// Cleanup
delete(sinfo.searches.searches, res.Dest)
if _, isIn := sinfo.searches.searches[sinfo.dest]; isIn {
sinfo.searches.router.core.log.Debugln("Finished search:", sinfo.dest, sinfo.send, sinfo.recv)
delete(sinfo.searches.searches, res.Dest)
}
}
// They match, so create a session and send a sessionRequest
var err error