b6b6111173
* protos: move streams to pb * protos: move overlay to pb * protos: move pointerdb to pb * protos: move piecestore to pb * fix statdb import naming
44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package node
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import (
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"context"
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"storj.io/storj/pkg/dht"
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"storj.io/storj/pkg/kademlia"
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"storj.io/storj/pkg/pb"
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)
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// Server implements the grpc Node Server
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type Server struct {
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dht dht.DHT
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}
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// Query is a node to node communication query
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func (s *Server) Query(ctx context.Context, req pb.QueryRequest) (pb.QueryResponse, error) {
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rt, err := s.dht.GetRoutingTable(ctx)
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if err != nil {
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return pb.QueryResponse{}, NodeClientErr.New("could not get routing table %s", err)
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}
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_, err = s.dht.Ping(ctx, *req.Sender)
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if err != nil {
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err = rt.ConnectionFailed(req.Sender)
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if err != nil {
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return pb.QueryResponse{}, NodeClientErr.New("could not respond to connection failed %s", err)
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}
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return pb.QueryResponse{}, NodeClientErr.New("connection to node %s failed", req.Sender.Id)
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}
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err = rt.ConnectionSuccess(req.Sender)
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if err != nil {
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return pb.QueryResponse{}, NodeClientErr.New("could not respond to connection success %s", err)
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}
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id := kademlia.StringToNodeID(req.Target.Id)
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nodes, err := rt.FindNear(id, int(req.Limit))
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if err != nil {
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return pb.QueryResponse{}, NodeClientErr.New("could not find near %s", err)
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}
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return pb.QueryResponse{Sender: req.Sender, Response: nodes}, nil
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}
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