97 lines
3.2 KiB
Go
97 lines
3.2 KiB
Go
// Copyright 2018 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package simulation
|
|
|
|
import (
|
|
"context"
|
|
"encoding/hex"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/p2p/discover"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/swarm/network"
|
|
)
|
|
|
|
// BucketKeyKademlia is the key to be used for storing the kademlia
|
|
// instance for particuar node, usually inside the ServiceFunc function.
|
|
var BucketKeyKademlia BucketKey = "kademlia"
|
|
|
|
// WaitTillHealthy is blocking until the health of all kademlias is true.
|
|
// If error is not nil, a map of kademlia that was found not healthy is returned.
|
|
func (s *Simulation) WaitTillHealthy(ctx context.Context, kadMinProxSize int) (ill map[discover.NodeID]*network.Kademlia, err error) {
|
|
// Prepare PeerPot map for checking Kademlia health
|
|
var ppmap map[string]*network.PeerPot
|
|
kademlias := s.kademlias()
|
|
addrs := make([][]byte, 0, len(kademlias))
|
|
for _, k := range kademlias {
|
|
addrs = append(addrs, k.BaseAddr())
|
|
}
|
|
ppmap = network.NewPeerPotMap(kadMinProxSize, addrs)
|
|
|
|
// Wait for healthy Kademlia on every node before checking files
|
|
ticker := time.NewTicker(200 * time.Millisecond)
|
|
defer ticker.Stop()
|
|
|
|
ill = make(map[discover.NodeID]*network.Kademlia)
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return ill, ctx.Err()
|
|
case <-ticker.C:
|
|
for k := range ill {
|
|
delete(ill, k)
|
|
}
|
|
log.Debug("kademlia health check", "addr count", len(addrs))
|
|
for id, k := range kademlias {
|
|
//PeerPot for this node
|
|
addr := common.Bytes2Hex(k.BaseAddr())
|
|
pp := ppmap[addr]
|
|
//call Healthy RPC
|
|
h := k.Healthy(pp)
|
|
//print info
|
|
log.Debug(k.String())
|
|
log.Debug("kademlia", "empty bins", pp.EmptyBins, "gotNN", h.GotNN, "knowNN", h.KnowNN, "full", h.Full)
|
|
log.Debug("kademlia", "health", h.GotNN && h.KnowNN && h.Full, "addr", hex.EncodeToString(k.BaseAddr()), "node", id)
|
|
log.Debug("kademlia", "ill condition", !h.GotNN || !h.Full, "addr", hex.EncodeToString(k.BaseAddr()), "node", id)
|
|
if !h.GotNN || !h.Full {
|
|
ill[id] = k
|
|
}
|
|
}
|
|
if len(ill) == 0 {
|
|
return nil, nil
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// kademlias returns all Kademlia instances that are set
|
|
// in simulation bucket.
|
|
func (s *Simulation) kademlias() (ks map[discover.NodeID]*network.Kademlia) {
|
|
items := s.UpNodesItems(BucketKeyKademlia)
|
|
ks = make(map[discover.NodeID]*network.Kademlia, len(items))
|
|
for id, v := range items {
|
|
k, ok := v.(*network.Kademlia)
|
|
if !ok {
|
|
continue
|
|
}
|
|
ks[id] = k
|
|
}
|
|
return ks
|
|
}
|