9bdee7b106
* WIP possible discovery service impl * Adds discovery service to CaptPlanet * Updates the config and server for discovery service * updates testplanet to use discovery package * update satellite imports * Removes unnecessary cache test * linter fixes * adds discovery startup to captplanet * invoke refresh * updates to discovery refresh cycle * Make implementation more consistent with previous implementation * add wait before trying to upload * sleep a bit more * remove kademlia bootstrap * updates * remove comments
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
|
|
// See LICENSE for copying information.
|
|
|
|
package discovery
|
|
|
|
import (
|
|
"context"
|
|
|
|
"storj.io/storj/pkg/kademlia"
|
|
"storj.io/storj/pkg/overlay"
|
|
"storj.io/storj/pkg/statdb"
|
|
)
|
|
|
|
// Discovery struct loads on cache, kad, and statdb
|
|
type Discovery struct {
|
|
cache *overlay.Cache
|
|
kad *kademlia.Kademlia
|
|
statdb *statdb.StatDB
|
|
}
|
|
|
|
// NewDiscovery Returns a new Discovery instance with cache, kad, and statdb loaded on
|
|
func NewDiscovery(ol *overlay.Cache, kad *kademlia.Kademlia, stat *statdb.StatDB) *Discovery {
|
|
return &Discovery{
|
|
cache: ol,
|
|
kad: kad,
|
|
statdb: stat,
|
|
}
|
|
}
|
|
|
|
// Refresh updates the cache db with the current DHT.
|
|
// We currently do not penalize nodes that are unresponsive,
|
|
// but should in the future.
|
|
func (d *Discovery) Refresh(ctx context.Context) error {
|
|
// TODO(coyle): make refresh work by looking on the network for new ndoes
|
|
nodes := d.kad.Seen()
|
|
|
|
for _, v := range nodes {
|
|
if err := d.cache.Put(ctx, v.Id, *v); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// Bootstrap walks the initialized network and populates the cache
|
|
func (d *Discovery) Bootstrap(ctx context.Context) error {
|
|
// o := overlay.LoadFromContext(ctx)
|
|
// kad := kademlia.LoadFromContext(ctx)
|
|
// TODO(coyle): make Bootstrap work
|
|
// look in our routing table
|
|
// get every node we know about
|
|
// ask every node for every node they know about
|
|
// for each newly known node, ask those nodes for every node they know about
|
|
// continue until no new nodes are found
|
|
return nil
|
|
}
|