mirror of
https://github.com/yggdrasil-network/yggdrasil-go.git
synced 2025-10-31 09:15:07 +03:00
remove unused recursive search packets
This commit is contained in:
Arceliar
parent
1b89892610
commit
240841eb38
4 changed files with 1 additions and 201 deletions
2
build
2
build
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@ -5,7 +5,7 @@ go get -d -v
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go get -d -v yggdrasil
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for file in *.go ; do
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echo "Building: $file"
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go build -v $file
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go build $@ $file
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#go build -ldflags="-s -w" -v $file
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#upx --brute ${file/.go/}
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done
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@ -310,10 +310,6 @@ func (r *router) handleProto(packet []byte) {
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r.handleDHTReq(bs, &p.FromKey)
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case wire_DHTLookupResponse:
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r.handleDHTRes(bs, &p.FromKey)
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case wire_SearchRequest:
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r.handleSearchReq(bs)
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case wire_SearchResponse:
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r.handleSearchRes(bs)
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default: /*panic("Should not happen in testing") ;*/
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return
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}
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@ -350,22 +346,6 @@ func (r *router) handleDHTRes(bs []byte, fromKey *boxPubKey) {
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r.core.dht.handleRes(&res)
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}
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func (r *router) handleSearchReq(bs []byte) {
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req := searchReq{}
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if !req.decode(bs) {
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return
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}
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r.core.searches.handleSearchReq(&req)
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}
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func (r *router) handleSearchRes(bs []byte) {
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res := searchRes{}
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if !res.decode(bs) {
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return
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}
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r.core.searches.handleSearchRes(&res)
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}
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func (r *router) doAdmin(f func()) {
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// Pass this a function that needs to be run by the router's main goroutine
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// It will pass the function to the router and wait for the router to finish
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@ -170,126 +170,3 @@ func (s *searches) checkDHTRes(info *searchInfo, res *dhtRes) bool {
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return true
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}
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////////////////////////////////////////////////////////////////////////////////
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type searchReq struct {
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key boxPubKey // Who I am
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coords []byte // Where I am
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dest NodeID // Who I'm trying to connect to
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}
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type searchRes struct {
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key boxPubKey // Who I am
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coords []byte // Where I am
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dest NodeID // Who I was asked about
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}
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func (s *searches) sendSearch(info *searchInfo) {
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now := time.Now()
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if now.Sub(info.time) < time.Second {
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return
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}
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loc := s.core.switchTable.getLocator()
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coords := loc.getCoords()
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req := searchReq{
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key: s.core.boxPub,
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coords: coords,
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dest: info.dest,
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}
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info.time = time.Now()
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s.handleSearchReq(&req)
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}
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func (s *searches) handleSearchReq(req *searchReq) {
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lookup := s.core.dht.lookup(&req.dest, false)
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sent := false
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//fmt.Println("DEBUG len:", len(lookup))
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for _, info := range lookup {
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//fmt.Println("DEBUG lup:", info.getNodeID())
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if dht_firstCloserThanThird(info.getNodeID(),
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&req.dest,
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&s.core.dht.nodeID) {
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s.forwardSearch(req, info)
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sent = true
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break
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}
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}
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if !sent {
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s.sendSearchRes(req)
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}
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}
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func (s *searches) forwardSearch(req *searchReq, next *dhtInfo) {
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//fmt.Println("DEBUG fwd:", req.dest, next.getNodeID())
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bs := req.encode()
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shared := s.core.sessions.getSharedKey(&s.core.boxPriv, &next.key)
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payload, nonce := boxSeal(shared, bs, nil)
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p := wire_protoTrafficPacket{
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TTL: ^uint64(0),
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Coords: next.coords,
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ToKey: next.key,
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FromKey: s.core.boxPub,
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Nonce: *nonce,
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Payload: payload,
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}
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packet := p.encode()
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s.core.router.out(packet)
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}
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func (s *searches) sendSearchRes(req *searchReq) {
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//fmt.Println("DEBUG res:", req.dest, s.core.dht.nodeID)
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loc := s.core.switchTable.getLocator()
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coords := loc.getCoords()
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res := searchRes{
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key: s.core.boxPub,
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coords: coords,
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dest: req.dest,
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}
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bs := res.encode()
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shared := s.core.sessions.getSharedKey(&s.core.boxPriv, &req.key)
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payload, nonce := boxSeal(shared, bs, nil)
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p := wire_protoTrafficPacket{
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TTL: ^uint64(0),
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Coords: req.coords,
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ToKey: req.key,
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FromKey: s.core.boxPub,
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Nonce: *nonce,
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Payload: payload,
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}
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packet := p.encode()
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s.core.router.out(packet)
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}
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func (s *searches) handleSearchRes(res *searchRes) {
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info, isIn := s.searches[res.dest]
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if !isIn {
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return
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}
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them := getNodeID(&res.key)
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var destMasked NodeID
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var themMasked NodeID
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for idx := 0; idx < NodeIDLen; idx++ {
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destMasked[idx] = info.dest[idx] & info.mask[idx]
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themMasked[idx] = them[idx] & info.mask[idx]
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}
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//fmt.Println("DEBUG search res1:", themMasked, destMasked)
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//fmt.Println("DEBUG search res2:", *them, *info.dest, *info.mask)
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if themMasked != destMasked {
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return
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}
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// They match, so create a session and send a sessionRequest
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sinfo, isIn := s.core.sessions.getByTheirPerm(&res.key)
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if !isIn {
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sinfo = s.core.sessions.createSession(&res.key)
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_, isIn := s.core.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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sinfo.coords = res.coords
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sinfo.packet = info.packet
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s.core.sessions.ping(sinfo)
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// Cleanup
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delete(s.searches, res.dest)
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}
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@ -19,8 +19,6 @@ const (
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wire_SessionPong // inside protocol traffic header
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wire_DHTLookupRequest // inside protocol traffic header
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wire_DHTLookupResponse // inside protocol traffic header
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wire_SearchRequest // inside protocol traffic header
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wire_SearchResponse // inside protocol traffic header
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)
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// Encode uint64 using a variable length scheme
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@ -514,58 +512,3 @@ func (r *dhtRes) decode(bs []byte) bool {
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return true
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}
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////////////////////////////////////////////////////////////////////////////////
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func (r *searchReq) encode() []byte {
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coords := wire_encode_coords(r.coords)
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bs := wire_encode_uint64(wire_SearchRequest)
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bs = append(bs, r.key[:]...)
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bs = append(bs, coords...)
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bs = append(bs, r.dest[:]...)
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return bs
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}
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func (r *searchReq) decode(bs []byte) bool {
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var pType uint64
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switch {
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case !wire_chop_uint64(&pType, &bs):
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return false
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case pType != wire_SearchRequest:
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return false
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case !wire_chop_slice(r.key[:], &bs):
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return false
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case !wire_chop_coords(&r.coords, &bs):
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return false
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case !wire_chop_slice(r.dest[:], &bs):
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return false
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default:
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return true
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}
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}
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func (r *searchRes) encode() []byte {
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coords := wire_encode_coords(r.coords)
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bs := wire_encode_uint64(wire_SearchResponse)
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bs = append(bs, r.key[:]...)
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bs = append(bs, coords...)
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bs = append(bs, r.dest[:]...)
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return bs
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}
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func (r *searchRes) decode(bs []byte) bool {
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var pType uint64
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switch {
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case !wire_chop_uint64(&pType, &bs):
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return false
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case pType != wire_SearchResponse:
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return false
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case !wire_chop_slice(r.key[:], &bs):
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return false
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case !wire_chop_coords(&r.coords, &bs):
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return false
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case !wire_chop_slice(r.dest[:], &bs):
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return false
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default:
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return true
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}
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}
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