forked from cerc-io/plugeth
993b145f25
cmd/swarm/swarm-smoke: improve smoke tests (#1337) swarm/network: remove dead code (#1339) swarm/network: remove FetchStore and SyncChunkStore in favor of NetStore (#1342)
85 lines
2.8 KiB
Go
85 lines
2.8 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package api
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/swarm/log"
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"github.com/ethereum/go-ethereum/swarm/network"
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"github.com/ethereum/go-ethereum/swarm/storage"
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)
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type Inspector struct {
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api *API
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hive *network.Hive
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netStore *storage.NetStore
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}
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func NewInspector(api *API, hive *network.Hive, netStore *storage.NetStore) *Inspector {
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return &Inspector{api, hive, netStore}
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}
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// Hive prints the kademlia table
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func (inspector *Inspector) Hive() string {
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return inspector.hive.String()
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}
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func (inspector *Inspector) ListKnown() []string {
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res := []string{}
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for _, v := range inspector.hive.Kademlia.ListKnown() {
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res = append(res, fmt.Sprintf("%v", v))
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}
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return res
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}
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func (inspector *Inspector) IsSyncing() bool {
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lastReceivedChunksMsg := metrics.GetOrRegisterGauge("network.stream.received_chunks", nil)
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// last received chunks msg time
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lrct := time.Unix(0, lastReceivedChunksMsg.Value())
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// if last received chunks msg time is after now-15sec. (i.e. within the last 15sec.) then we say that the node is still syncing
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// technically this is not correct, because this might have been a retrieve request, but for the time being it works for our purposes
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// because we know we are not making retrieve requests on the node while checking this
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return lrct.After(time.Now().Add(-15 * time.Second))
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}
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// Has checks whether each chunk address is present in the underlying datastore,
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// the bool in the returned structs indicates if the underlying datastore has
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// the chunk stored with the given address (true), or not (false)
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func (inspector *Inspector) Has(chunkAddresses []storage.Address) string {
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hostChunks := []string{}
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for _, addr := range chunkAddresses {
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has, err := inspector.netStore.Has(context.Background(), addr)
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if err != nil {
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log.Error(err.Error())
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}
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if has {
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hostChunks = append(hostChunks, "1")
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} else {
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hostChunks = append(hostChunks, "0")
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}
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}
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return strings.Join(hostChunks, "")
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}
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