2018-06-20 07:06:27 -05:00
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// Copyright 2018 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"math/rand"
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"os"
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"strings"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/swarm/api"
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"github.com/ethereum/go-ethereum/swarm/storage"
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"github.com/ethereum/go-ethereum/swarm/testutil"
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"github.com/pborman/uuid"
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cli "gopkg.in/urfave/cli.v1"
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)
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func uploadAndSyncCmd(ctx *cli.Context, tuid string) error {
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randomBytes := testutil.RandomBytes(seed, filesize*1000)
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errc := make(chan error)
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go func() {
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errc <- uploadAndSync(ctx, randomBytes, tuid)
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}()
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select {
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case err := <-errc:
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if err != nil {
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metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", commandName), nil).Inc(1)
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}
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return err
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case <-time.After(time.Duration(timeout) * time.Second):
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metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", commandName), nil).Inc(1)
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e := fmt.Errorf("timeout after %v sec", timeout)
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// trigger debug functionality on randomBytes
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err := trackChunks(randomBytes[:])
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if err != nil {
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e = fmt.Errorf("%v; triggerChunkDebug failed: %v", e, err)
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}
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return e
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}
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// trigger debug functionality on randomBytes even on successful runs
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err := trackChunks(randomBytes[:])
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if err != nil {
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log.Error(err.Error())
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}
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return nil
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}
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func trackChunks(testData []byte) error {
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log.Warn("Test timed out, running chunk debug sequence")
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addrs, err := getAllRefs(testData)
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if err != nil {
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return err
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}
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for i, ref := range addrs {
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log.Trace(fmt.Sprintf("ref %d", i), "ref", ref)
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}
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for _, host := range hosts {
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httpHost := fmt.Sprintf("ws://%s:%d", host, 8546)
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hostChunks := []string{}
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rpcClient, err := rpc.Dial(httpHost)
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if err != nil {
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log.Error("Error dialing host", "err", err)
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continue
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}
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var hasInfo []api.HasInfo
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err = rpcClient.Call(&hasInfo, "bzz_has", addrs)
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if err != nil {
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log.Error("Error calling host", "err", err)
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continue
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}
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count := 0
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for _, info := range hasInfo {
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if info.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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count++
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}
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}
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if count == 0 {
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log.Info("host reported to have all chunks", "host", host)
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}
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log.Trace("chunks", "chunks", strings.Join(hostChunks, ""), "host", host)
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}
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return nil
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}
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func getAllRefs(testData []byte) (storage.AddressCollection, error) {
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log.Trace("Getting all references for given root hash")
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datadir, err := ioutil.TempDir("", "chunk-debug")
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if err != nil {
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return nil, fmt.Errorf("unable to create temp dir: %v", err)
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}
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defer os.RemoveAll(datadir)
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fileStore, err := storage.NewLocalFileStore(datadir, make([]byte, 32))
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if err != nil {
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return nil, err
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}
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(trackTimeout)*time.Second)
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defer cancel()
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reader := bytes.NewReader(testData)
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return fileStore.GetAllReferences(ctx, reader, false)
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}
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func uploadAndSync(c *cli.Context, randomBytes []byte, tuid string) error {
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log.Info("uploading to "+httpEndpoint(hosts[0])+" and syncing", "tuid", tuid, "seed", seed)
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t1 := time.Now()
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hash, err := upload(randomBytes, httpEndpoint(hosts[0]))
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if err != nil {
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log.Error(err.Error())
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return err
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}
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t2 := time.Since(t1)
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metrics.GetOrRegisterResettingTimer("upload-and-sync.upload-time", nil).Update(t2)
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fhash, err := digest(bytes.NewReader(randomBytes))
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if err != nil {
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log.Error(err.Error())
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return err
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}
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log.Info("uploaded successfully", "tuid", tuid, "hash", hash, "took", t2, "digest", fmt.Sprintf("%x", fhash))
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time.Sleep(time.Duration(syncDelay) * time.Second)
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wg := sync.WaitGroup{}
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if single {
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randIndex := 1 + rand.Intn(len(hosts)-1)
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ruid := uuid.New()[:8]
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wg.Add(1)
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go func(endpoint string, ruid string) {
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for {
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start := time.Now()
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err := fetch(hash, endpoint, fhash, ruid, tuid)
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if err != nil {
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continue
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}
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ended := time.Since(start)
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metrics.GetOrRegisterResettingTimer("upload-and-sync.single.fetch-time", nil).Update(ended)
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log.Info("fetch successful", "tuid", tuid, "ruid", ruid, "took", ended, "endpoint", endpoint)
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wg.Done()
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return
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}
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}(httpEndpoint(hosts[randIndex]), ruid)
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} else {
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for _, endpoint := range hosts[1:] {
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ruid := uuid.New()[:8]
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wg.Add(1)
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go func(endpoint string, ruid string) {
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for {
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start := time.Now()
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err := fetch(hash, endpoint, fhash, ruid, tuid)
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if err != nil {
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continue
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}
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ended := time.Since(start)
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metrics.GetOrRegisterResettingTimer("upload-and-sync.each.fetch-time", nil).Update(ended)
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log.Info("fetch successful", "tuid", tuid, "ruid", ruid, "took", ended, "endpoint", endpoint)
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wg.Done()
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return
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}
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}(httpEndpoint(endpoint), ruid)
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}
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}
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wg.Wait()
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log.Info("all hosts synced random file successfully")
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return nil
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}
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