go-ethereum/cmd/swarm/swarm-smoke/upload_and_sync.go

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// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"context"
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"fmt"
"io/ioutil"
"math/rand"
"os"
"strings"
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"sync"
"time"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/swarm/api"
"github.com/ethereum/go-ethereum/swarm/storage"
"github.com/ethereum/go-ethereum/swarm/testutil"
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"github.com/pborman/uuid"
cli "gopkg.in/urfave/cli.v1"
)
func uploadAndSyncCmd(ctx *cli.Context, tuid string) error {
randomBytes := testutil.RandomBytes(seed, filesize*1000)
errc := make(chan error)
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go func() {
errc <- uploadAndSync(ctx, randomBytes, tuid)
}()
select {
case err := <-errc:
if err != nil {
metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", commandName), nil).Inc(1)
}
return err
case <-time.After(time.Duration(timeout) * time.Second):
metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", commandName), nil).Inc(1)
e := fmt.Errorf("timeout after %v sec", timeout)
// trigger debug functionality on randomBytes
err := trackChunks(randomBytes[:])
if err != nil {
e = fmt.Errorf("%v; triggerChunkDebug failed: %v", e, err)
}
return e
}
// trigger debug functionality on randomBytes even on successful runs
err := trackChunks(randomBytes[:])
if err != nil {
log.Error(err.Error())
}
return nil
}
func trackChunks(testData []byte) error {
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log.Warn("Test timed out, running chunk debug sequence")
addrs, err := getAllRefs(testData)
if err != nil {
return err
}
for i, ref := range addrs {
log.Trace(fmt.Sprintf("ref %d", i), "ref", ref)
}
for _, host := range hosts {
httpHost := fmt.Sprintf("ws://%s:%d", host, 8546)
hostChunks := []string{}
rpcClient, err := rpc.Dial(httpHost)
if err != nil {
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log.Error("Error dialing host", "err", err)
continue
}
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var hasInfo []api.HasInfo
err = rpcClient.Call(&hasInfo, "bzz_has", addrs)
if err != nil {
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log.Error("Error calling host", "err", err)
continue
}
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count := 0
for _, info := range hasInfo {
if info.Has {
hostChunks = append(hostChunks, "1")
} else {
hostChunks = append(hostChunks, "0")
count++
}
}
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if count == 0 {
log.Info("host reported to have all chunks", "host", host)
}
log.Trace("chunks", "chunks", strings.Join(hostChunks, ""), "host", host)
}
return nil
}
func getAllRefs(testData []byte) (storage.AddressCollection, error) {
log.Trace("Getting all references for given root hash")
datadir, err := ioutil.TempDir("", "chunk-debug")
if err != nil {
return nil, fmt.Errorf("unable to create temp dir: %v", err)
}
defer os.RemoveAll(datadir)
fileStore, err := storage.NewLocalFileStore(datadir, make([]byte, 32))
if err != nil {
return nil, err
}
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(trackTimeout)*time.Second)
defer cancel()
reader := bytes.NewReader(testData)
return fileStore.GetAllReferences(ctx, reader, false)
}
func uploadAndSync(c *cli.Context, randomBytes []byte, tuid string) error {
log.Info("uploading to "+httpEndpoint(hosts[0])+" and syncing", "tuid", tuid, "seed", seed)
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t1 := time.Now()
hash, err := upload(randomBytes, httpEndpoint(hosts[0]))
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if err != nil {
log.Error(err.Error())
return err
}
t2 := time.Since(t1)
metrics.GetOrRegisterResettingTimer("upload-and-sync.upload-time", nil).Update(t2)
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fhash, err := digest(bytes.NewReader(randomBytes))
if err != nil {
log.Error(err.Error())
return err
}
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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{}
if single {
randIndex := 1 + rand.Intn(len(hosts)-1)
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ruid := uuid.New()[:8]
wg.Add(1)
go func(endpoint string, ruid string) {
for {
start := time.Now()
err := fetch(hash, endpoint, fhash, ruid, tuid)
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if err != nil {
continue
}
ended := time.Since(start)
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metrics.GetOrRegisterResettingTimer("upload-and-sync.single.fetch-time", nil).Update(ended)
log.Info("fetch successful", "tuid", tuid, "ruid", ruid, "took", ended, "endpoint", endpoint)
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wg.Done()
return
}
}(httpEndpoint(hosts[randIndex]), ruid)
} else {
for _, endpoint := range hosts[1:] {
ruid := uuid.New()[:8]
wg.Add(1)
go func(endpoint string, ruid string) {
for {
start := time.Now()
err := fetch(hash, endpoint, fhash, ruid, tuid)
if err != nil {
continue
}
ended := time.Since(start)
metrics.GetOrRegisterResettingTimer("upload-and-sync.each.fetch-time", nil).Update(ended)
log.Info("fetch successful", "tuid", tuid, "ruid", ruid, "took", ended, "endpoint", endpoint)
wg.Done()
return
}
}(httpEndpoint(endpoint), ruid)
}
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}
wg.Wait()
log.Info("all hosts synced random file successfully")
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return nil
}