storj/pkg/dht/dht.go
Dennis Coyle 5de5428d3a
First pass at node restrictions (#146)
* WIP First pass at node restrictions

* adjustments to storage clients

* fix cover

* undo previous import change

* adding copyright

* fix the tests

* check for keys

* moar fixes to tests

* linter

* change how we handle restrictions

* add generated pb.go file

* PR comments addressed

* MockKeyValueStore

* pr comments addressed

* missing )

* past my bedtime

* moar merge issues

* cleanup
2018-08-01 10:15:38 -04:00

56 lines
1.4 KiB
Go

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