57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package dht
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import (
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"context"
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"time"
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"storj.io/storj/pkg/pb"
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)
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// NodeID is the unique identifier used for Nodes in the DHT
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type NodeID interface {
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String() string
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Bytes() []byte
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}
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// DHT is the interface for the DHT in the Storj network
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type DHT interface {
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GetNodes(ctx context.Context, start string, limit int, restrictions ...pb.Restriction) ([]*pb.Node, error)
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GetRoutingTable(ctx context.Context) (RoutingTable, error)
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Bootstrap(ctx context.Context) error
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Ping(ctx context.Context, node pb.Node) (pb.Node, error)
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FindNode(ctx context.Context, ID NodeID) (pb.Node, error)
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Disconnect() error
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Seen() []*pb.Node
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}
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// RoutingTable contains information on nodes we have locally
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type RoutingTable interface {
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// local params
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Local() pb.Node
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K() int
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CacheSize() int
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GetBucket(id string) (bucket Bucket, ok bool)
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GetBuckets() ([]Bucket, error)
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FindNear(id NodeID, limit int) ([]*pb.Node, error)
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ConnectionSuccess(node *pb.Node) error
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ConnectionFailed(node *pb.Node) error
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// these are for refreshing
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SetBucketTimestamp(id string, now time.Time) error
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GetBucketTimestamp(id string, bucket Bucket) (time.Time, error)
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}
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// Bucket is a set of methods to act on kademlia k buckets
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type Bucket interface {
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Routing() []pb.Node
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Cache() []pb.Node
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Midpoint() string
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Nodes() []*pb.Node
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}
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