mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-22 17:40:26 +00:00
refactor searches to store a pointer to router instead of core
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parent
e7024a00e7
commit
5bb85cf07b
@ -74,7 +74,7 @@ func (r *router) init(core *Core) {
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r.nodeinfo.setNodeInfo(r.core.config.Current.NodeInfo, r.core.config.Current.NodeInfoPrivacy)
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r.core.config.Mutex.RUnlock()
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r.dht.init(r)
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r.searches.init(r.core)
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r.searches.init(r)
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r.sessions.init(r.core)
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}
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@ -33,7 +33,7 @@ const search_RETRY_TIME = time.Second
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// Information about an ongoing search.
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// Includes the target NodeID, the bitmask to match it to an IP, and the list of nodes to visit / already visited.
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type searchInfo struct {
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core *Core
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searches *searches
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dest crypto.NodeID
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mask crypto.NodeID
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time time.Time
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@ -45,14 +45,14 @@ type searchInfo struct {
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// This stores a map of active searches.
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type searches struct {
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core *Core
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router *router
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reconfigure chan chan error
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searches map[crypto.NodeID]*searchInfo
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}
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// Initializes the searches struct.
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func (s *searches) init(core *Core) {
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s.core = core
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func (s *searches) init(r *router) {
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s.router = r
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s.reconfigure = make(chan chan error, 1)
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go func() {
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for {
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@ -66,7 +66,7 @@ func (s *searches) init(core *Core) {
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// Creates a new search info, adds it to the searches struct, and returns a pointer to the info.
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func (s *searches) createSearch(dest *crypto.NodeID, mask *crypto.NodeID, callback func(*sessionInfo, error)) *searchInfo {
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info := searchInfo{
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core: s.core,
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searches: s,
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dest: *dest,
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mask: *mask,
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time: time.Now(),
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@ -100,7 +100,7 @@ func (sinfo *searchInfo) addToSearch(res *dhtRes) {
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from := dhtInfo{key: res.Key, coords: res.Coords}
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sinfo.visited[*from.getNodeID()] = true
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for _, info := range res.Infos {
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if *info.getNodeID() == sinfo.core.router.dht.nodeID || sinfo.visited[*info.getNodeID()] {
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if *info.getNodeID() == sinfo.searches.router.dht.nodeID || sinfo.visited[*info.getNodeID()] {
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continue
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}
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if dht_ordered(&sinfo.dest, info.getNodeID(), from.getNodeID()) {
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@ -134,7 +134,7 @@ func (sinfo *searchInfo) doSearchStep() {
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if len(sinfo.toVisit) == 0 {
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if time.Since(sinfo.time) > search_RETRY_TIME {
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// Dead end and no response in too long, do cleanup
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delete(sinfo.core.router.searches.searches, sinfo.dest)
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delete(sinfo.searches.searches, sinfo.dest)
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sinfo.callback(nil, errors.New("search reached dead end"))
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}
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return
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@ -143,8 +143,8 @@ func (sinfo *searchInfo) doSearchStep() {
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var next *dhtInfo
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next, sinfo.toVisit = sinfo.toVisit[0], sinfo.toVisit[1:]
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rq := dhtReqKey{next.key, sinfo.dest}
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sinfo.core.router.dht.addCallback(&rq, sinfo.handleDHTRes)
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sinfo.core.router.dht.ping(next, &sinfo.dest)
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sinfo.searches.router.dht.addCallback(&rq, sinfo.handleDHTRes)
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sinfo.searches.router.dht.ping(next, &sinfo.dest)
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sinfo.time = time.Now()
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}
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@ -157,7 +157,7 @@ func (sinfo *searchInfo) continueSearch() {
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// Any that die aren't restarted, but a new one will start later
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retryLater := func() {
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// FIXME this keeps the search alive forever if not for the searches map, fix that
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newSearchInfo := sinfo.core.router.searches.searches[sinfo.dest]
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newSearchInfo := sinfo.searches.searches[sinfo.dest]
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if newSearchInfo != sinfo {
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return
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}
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@ -165,7 +165,7 @@ func (sinfo *searchInfo) continueSearch() {
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}
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go func() {
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time.Sleep(search_RETRY_TIME)
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sinfo.core.router.doAdmin(retryLater)
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sinfo.searches.router.doAdmin(retryLater)
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}()
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}
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@ -173,9 +173,9 @@ func (sinfo *searchInfo) continueSearch() {
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func (s *searches) newIterSearch(dest *crypto.NodeID, mask *crypto.NodeID, callback func(*sessionInfo, error)) *searchInfo {
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sinfo := s.createSearch(dest, mask, callback)
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sinfo.visited = make(map[crypto.NodeID]bool)
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loc := s.core.switchTable.getLocator()
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loc := s.router.core.switchTable.getLocator()
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sinfo.toVisit = append(sinfo.toVisit, &dhtInfo{
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key: s.core.boxPub,
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key: s.router.core.boxPub,
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coords: loc.getCoords(),
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}) // Start the search by asking ourself, useful if we're the destination
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return sinfo
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@ -196,26 +196,26 @@ func (sinfo *searchInfo) checkDHTRes(res *dhtRes) bool {
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return false
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}
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// They match, so create a session and send a sessionRequest
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sess, isIn := sinfo.core.router.sessions.getByTheirPerm(&res.Key)
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sess, isIn := sinfo.searches.router.sessions.getByTheirPerm(&res.Key)
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if !isIn {
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sess = sinfo.core.router.sessions.createSession(&res.Key)
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sess = sinfo.searches.router.sessions.createSession(&res.Key)
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if sess == nil {
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// nil if the DHT search finished but the session wasn't allowed
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sinfo.callback(nil, errors.New("session not allowed"))
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// Cleanup
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delete(sinfo.core.router.searches.searches, res.Dest)
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delete(sinfo.searches.searches, res.Dest)
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return true
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}
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_, isIn := sinfo.core.router.sessions.getByTheirPerm(&res.Key)
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_, isIn := sinfo.searches.router.sessions.getByTheirPerm(&res.Key)
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if !isIn {
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panic("This should never happen")
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}
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}
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// FIXME (!) replay attacks could mess with coords? Give it a handle (tstamp)?
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sess.coords = res.Coords
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sess.ping(&sinfo.core.router)
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sess.ping(sinfo.searches.router)
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sinfo.callback(sess, nil)
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// Cleanup
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delete(sinfo.core.router.searches.searches, res.Dest)
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delete(sinfo.searches.searches, res.Dest)
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return true
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}
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