mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-08-20 02:42:27 +00:00
cmd/swarm: add sliding window tests (v1)
This commit is contained in:
Elad Nachmias
parent
f4094d09cd
commit
54f8ac6433
6 changed files with 438 additions and 276 deletions
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@ -2,13 +2,10 @@ package main
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import (
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"bytes"
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"context"
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"crypto/md5"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptrace"
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"os"
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"os/exec"
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"strings"
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@ -18,13 +15,8 @@ import (
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/crypto"
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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/swarm/api/client"
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"github.com/ethereum/go-ethereum/swarm/spancontext"
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"github.com/ethereum/go-ethereum/swarm/storage/feed"
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"github.com/ethereum/go-ethereum/swarm/testutil"
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colorable "github.com/mattn/go-colorable"
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opentracing "github.com/opentracing/opentracing-go"
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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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@ -33,27 +25,6 @@ const (
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feedRandomDataLength = 8
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)
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func cliFeedUploadAndSync(c *cli.Context) error {
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metrics.GetOrRegisterCounter("feed-and-sync", nil).Inc(1)
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log.Root().SetHandler(log.CallerFileHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true)))))
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errc := make(chan error)
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go func() {
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errc <- feedUploadAndSync(c)
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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("feed-and-sync.fail", 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("feed-and-sync.timeout", nil).Inc(1)
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return fmt.Errorf("timeout after %v sec", timeout)
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}
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}
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// TODO: retrieve with manifest + extract repeating code
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func feedUploadAndSync(c *cli.Context) error {
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defer func(now time.Time) { log.Info("total time", "time", time.Since(now), "size (kb)", filesize) }(time.Now())
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@ -307,60 +278,3 @@ func feedUploadAndSync(c *cli.Context) error {
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return nil
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}
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func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error {
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ctx, sp := spancontext.StartSpan(context.Background(), "feed-and-sync.fetch")
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defer sp.Finish()
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log.Trace("sleeping", "ruid", ruid)
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time.Sleep(3 * time.Second)
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log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
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var tn time.Time
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reqUri := endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user
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req, _ := http.NewRequest("GET", reqUri, nil)
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opentracing.GlobalTracer().Inject(
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sp.Context(),
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opentracing.HTTPHeaders,
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opentracing.HTTPHeadersCarrier(req.Header))
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trace := client.GetClientTrace("feed-and-sync - http get", "feed-and-sync", ruid, &tn)
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req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
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transport := http.DefaultTransport
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//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
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tn = time.Now()
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res, err := transport.RoundTrip(req)
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if err != nil {
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log.Error(err.Error(), "ruid", ruid)
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return err
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}
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log.Trace("http get response (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength)
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if res.StatusCode != 200 {
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return fmt.Errorf("expected status code %d, got %v (ruid %v)", 200, res.StatusCode, ruid)
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}
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defer res.Body.Close()
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rdigest, err := digest(res.Body)
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if err != nil {
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log.Warn(err.Error(), "ruid", ruid)
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return err
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}
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if !bytes.Equal(rdigest, original) {
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err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
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log.Warn(err.Error(), "ruid", ruid)
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return err
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}
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log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
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return nil
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}
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@ -49,6 +49,7 @@ var (
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verbosity int
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timeout int
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single bool
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storeSize int
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)
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func main() {
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@ -122,6 +123,12 @@ func main() {
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Usage: "whether to fetch content from a single node or from all nodes",
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Destination: &single,
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},
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cli.IntFlag{
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Name: "store",
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Value: 5000,
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Usage: "individual node store size",
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Destination: &storeSize,
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},
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}
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app.Flags = append(app.Flags, []cli.Flag{
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@ -140,19 +147,25 @@ func main() {
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Name: "upload_and_sync",
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Aliases: []string{"c"},
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Usage: "upload and sync",
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Action: cliUploadAndSync,
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Action: wrapCliCommand("upload-and-sync", uploadAndSync),
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},
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{
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Name: "feed_sync",
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Aliases: []string{"f"},
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Usage: "feed update generate, upload and sync",
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Action: cliFeedUploadAndSync,
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Action: wrapCliCommand("feed-and-sync", feedUploadAndSync),
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},
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{
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Name: "upload_speed",
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Aliases: []string{"u"},
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Usage: "measure upload speed",
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Action: cliUploadSpeed,
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Action: wrapCliCommand("upload-speed", uploadSpeed),
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},
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{
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Name: "sliding_window",
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Aliases: []string{"s"},
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Usage: "measure network aggregate capacity",
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Action: wrapCliCommand("sliding-window", slidingWindow),
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},
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}
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181
cmd/swarm/swarm-smoke/sliding_window.go
Normal file
181
cmd/swarm/swarm-smoke/sliding_window.go
Normal file
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@ -0,0 +1,181 @@
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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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"fmt"
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"math/rand"
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"sync"
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"sync/atomic"
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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/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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type uploadResult struct {
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hash string
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digest []byte
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}
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func slidingWindow(c *cli.Context) error {
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// test dscription:
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// 1. upload repeatedly the same file size, maintain a slice in which swarm hashes are stored, first hash at idx=0
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// 2. select a random node, start downloading the hashes, starting with the LAST one first (it should always be availble), till the FIRST hash
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// 3. when
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defer func(now time.Time) {
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totalTime := time.Since(now)
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log.Info("total time", "time", totalTime)
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metrics.GetOrRegisterCounter("sliding-window.total-time", nil).Inc(int64(totalTime))
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}(time.Now())
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generateEndpoints(scheme, cluster, appName, from, to)
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storeSize = storeSize * 4096 //store size is in chunks - transform to bytes
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hashes := []uploadResult{} //swarm hashes of the uploads
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filesize := storeSize / 7 //each file to upload, bytes
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nodes := to - from
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networkCapacity := float64(storeSize) * float64(nodes)
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const iterationTimeout = 30 * time.Second
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log.Info("sliding window test started", "store size(kb)", int(storeSize/1000), "nodes", nodes, "filesize(kb)", int(filesize/1000), "network capacity(kb)", int(networkCapacity/1000), "timeout", timeout)
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uploadedBytes := 0
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for uploadedBytes = 0; uploadedBytes <= int(networkCapacity); uploadedBytes += filesize {
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seed := int(time.Now().UnixNano() / 1e6)
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log.Info("uploading to "+endpoints[0]+" and syncing", "seed", seed)
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randomBytes := testutil.RandomBytes(seed, filesize)
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t1 := time.Now()
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hash, err := upload(&randomBytes, endpoints[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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metrics.GetOrRegisterCounter("sliding-window.upload-time", nil).Inc(int64(time.Since(t1)))
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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", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
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hashes = append(hashes, uploadResult{hash: hash, digest: fhash})
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}
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log.Info("done uploading files", "len(hashes)", len(hashes), "sleep for", syncDelay)
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time.Sleep(time.Duration(syncDelay) * time.Second)
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networkDepth := 0
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var errored int32 = 0
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timedOut := false
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LOOP:
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for i := len(hashes) - 1; i >= 0; i-- {
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wg := sync.WaitGroup{}
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done := time.After(iterationTimeout)
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if single {
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rand.Seed(time.Now().UTC().UnixNano())
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randIndex := 1 + rand.Intn(len(endpoints)-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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// points to address:
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// need to measure min/max/mean for the results when not in single mode (not all nodes would necessarily give the same result, though they should)
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defer wg.Done()
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inner:
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for {
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select {
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case <-done:
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metrics.GetOrRegisterCounter("sliding-window.single.timeout", nil).Inc(1)
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atomic.AddInt32(&errored, 1)
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break inner
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default:
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}
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start := time.Now()
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err := fetch(hashes[i].hash, endpoint, hashes[i].digest, ruid)
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fetchTime := time.Since(start)
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if err != nil {
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continue
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}
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metrics.GetOrRegisterMeter("sliding-window.single.fetch-time", nil).Mark(int64(fetchTime))
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return
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}
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}(endpoints[randIndex], ruid)
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} else {
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for _, endpoint := range endpoints {
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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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defer wg.Done()
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inner:
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for {
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select {
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case <-done:
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metrics.GetOrRegisterCounter("sliding-window.multi.timeout", nil).Inc(1)
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atomic.AddInt32(&errored, 1)
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break inner
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default:
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}
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start := time.Now()
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err := fetch(hashes[i].hash, endpoint, hashes[i].digest, ruid)
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fetchTime := time.Since(start)
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if err != nil {
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continue
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}
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metrics.GetOrRegisterMeter("sliding-window.each.fetch-time", nil).Mark(int64(fetchTime))
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return
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}
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}(endpoint, ruid)
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}
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}
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wg.Wait()
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networkDepth = len(hashes) - i
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if errored > 0 {
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break LOOP
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}
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select {
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case <-done:
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timedOut = true
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break LOOP
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default:
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}
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}
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log.Info("sliding window test finished", "timed out?", timedOut, "errored?", errored > 0, "networkDepth", networkDepth, "networkDepth(kb)", int(networkDepth*filesize/1000))
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log.Info("stats", "uploadedFiles", len(hashes), "uploadedKb", uploadedBytes/1000, "filesizeKb", filesize/1000, "networkCapacityKb", int(networkCapacity/1000), "networkCapacityMb", int(networkCapacity/1000000))
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metrics.GetOrRegisterMeter("sliding-window.network-depth", nil).Mark(int64(networkDepth))
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metrics.GetOrRegisterMeter("sliding-window.uploaded-bytes", nil).Mark(int64(uploadedBytes))
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return nil
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}
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@ -18,75 +18,19 @@ package main
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import (
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"bytes"
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"context"
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"crypto/md5"
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crand "crypto/rand"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"math/rand"
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"net/http"
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"net/http/httptrace"
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"os"
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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/swarm/api"
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"github.com/ethereum/go-ethereum/swarm/api/client"
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"github.com/ethereum/go-ethereum/swarm/spancontext"
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"github.com/ethereum/go-ethereum/swarm/testutil"
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opentracing "github.com/opentracing/opentracing-go"
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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 generateEndpoints(scheme string, cluster string, app string, from int, to int) {
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if cluster == "prod" {
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for port := from; port < to; port++ {
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endpoints = append(endpoints, fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, port))
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}
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} else if cluster == "private-internal" {
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for port := from; port < to; port++ {
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endpoints = append(endpoints, fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, port))
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}
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} else {
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for port := from; port < to; port++ {
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endpoints = append(endpoints, fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, port, cluster))
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}
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}
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if includeLocalhost {
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endpoints = append(endpoints, "http://localhost:8500")
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}
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}
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func cliUploadAndSync(c *cli.Context) error {
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log.PrintOrigins(true)
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
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metrics.GetOrRegisterCounter("upload-and-sync", nil).Inc(1)
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errc := make(chan error)
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go func() {
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errc <- uploadAndSync(c)
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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("upload-and-sync.fail", 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("upload-and-sync.timeout", nil).Inc(1)
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return fmt.Errorf("timeout after %v sec", timeout)
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}
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}
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func uploadAndSync(c *cli.Context) error {
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defer func(now time.Time) {
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totalTime := time.Since(now)
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@ -161,96 +105,3 @@ func uploadAndSync(c *cli.Context) error {
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return nil
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}
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// fetch is getting the requested `hash` from the `endpoint` and compares it with the `original` file
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func fetch(hash string, endpoint string, original []byte, ruid string) error {
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ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch")
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defer sp.Finish()
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log.Trace("http get request", "ruid", ruid, "api", endpoint, "hash", hash)
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var tn time.Time
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reqUri := endpoint + "/bzz:/" + hash + "/"
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req, _ := http.NewRequest("GET", reqUri, nil)
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|
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opentracing.GlobalTracer().Inject(
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sp.Context(),
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opentracing.HTTPHeaders,
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opentracing.HTTPHeadersCarrier(req.Header))
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trace := client.GetClientTrace("upload-and-sync - http get", "upload-and-sync", ruid, &tn)
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req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
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transport := http.DefaultTransport
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//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
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tn = time.Now()
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res, err := transport.RoundTrip(req)
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if err != nil {
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log.Error(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
log.Trace("http get response", "ruid", ruid, "api", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength)
|
||||
|
||||
if res.StatusCode != 200 {
|
||||
err := fmt.Errorf("expected status code %d, got %v", 200, res.StatusCode)
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
defer res.Body.Close()
|
||||
|
||||
rdigest, err := digest(res.Body)
|
||||
if err != nil {
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
if !bytes.Equal(rdigest, original) {
|
||||
err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// upload is uploading a file `f` to `endpoint` via the `swarm up` cmd
|
||||
func upload(dataBytes *[]byte, endpoint string) (string, error) {
|
||||
swarm := client.NewClient(endpoint)
|
||||
f := &client.File{
|
||||
ReadCloser: ioutil.NopCloser(bytes.NewReader(*dataBytes)),
|
||||
ManifestEntry: api.ManifestEntry{
|
||||
ContentType: "text/plain",
|
||||
Mode: 0660,
|
||||
Size: int64(len(*dataBytes)),
|
||||
},
|
||||
}
|
||||
|
||||
// upload data to bzz:// and retrieve the content-addressed manifest hash, hex-encoded.
|
||||
return swarm.Upload(f, "", false)
|
||||
}
|
||||
|
||||
func digest(r io.Reader) ([]byte, error) {
|
||||
h := md5.New()
|
||||
_, err := io.Copy(h, r)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return h.Sum(nil), nil
|
||||
}
|
||||
|
||||
// generates random data in heap buffer
|
||||
func generateRandomData(datasize int) ([]byte, error) {
|
||||
b := make([]byte, datasize)
|
||||
c, err := crand.Read(b)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
} else if c != datasize {
|
||||
return nil, errors.New("short read")
|
||||
}
|
||||
return b, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,7 +19,6 @@ package main
|
|||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"os"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
|
|
@ -29,42 +28,6 @@ import (
|
|||
cli "gopkg.in/urfave/cli.v1"
|
||||
)
|
||||
|
||||
var endpoint string
|
||||
|
||||
//just use the first endpoint
|
||||
func generateEndpoint(scheme string, cluster string, app string, from int) {
|
||||
if cluster == "prod" {
|
||||
endpoint = fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, from)
|
||||
} else if cluster == "private-internal" {
|
||||
endpoint = fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, from)
|
||||
} else {
|
||||
endpoint = fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, from, cluster)
|
||||
}
|
||||
}
|
||||
|
||||
func cliUploadSpeed(c *cli.Context) error {
|
||||
log.PrintOrigins(true)
|
||||
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
|
||||
|
||||
metrics.GetOrRegisterCounter("upload-speed", nil).Inc(1)
|
||||
|
||||
errc := make(chan error)
|
||||
go func() {
|
||||
errc <- uploadSpeed(c)
|
||||
}()
|
||||
|
||||
select {
|
||||
case err := <-errc:
|
||||
if err != nil {
|
||||
metrics.GetOrRegisterCounter("upload-speed.fail", nil).Inc(1)
|
||||
}
|
||||
return err
|
||||
case <-time.After(time.Duration(timeout) * time.Second):
|
||||
metrics.GetOrRegisterCounter("upload-speed.timeout", nil).Inc(1)
|
||||
return fmt.Errorf("timeout after %v sec", timeout)
|
||||
}
|
||||
}
|
||||
|
||||
func uploadSpeed(c *cli.Context) error {
|
||||
defer func(now time.Time) {
|
||||
totalTime := time.Since(now)
|
||||
|
|
@ -73,7 +36,7 @@ func uploadSpeed(c *cli.Context) error {
|
|||
metrics.GetOrRegisterCounter("upload-speed.total-time", nil).Inc(int64(totalTime))
|
||||
}(time.Now())
|
||||
|
||||
generateEndpoint(scheme, cluster, appName, from)
|
||||
endpoint := generateEndpoint(scheme, cluster, appName, from)
|
||||
seed := int(time.Now().UnixNano() / 1e6)
|
||||
log.Info("uploading to "+endpoint, "seed", seed)
|
||||
|
||||
|
|
|
|||
240
cmd/swarm/swarm-smoke/util.go
Normal file
240
cmd/swarm/swarm-smoke/util.go
Normal file
|
|
@ -0,0 +1,240 @@
|
|||
// 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"
|
||||
"crypto/md5"
|
||||
crand "crypto/rand"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"net/http/httptrace"
|
||||
"os"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/metrics"
|
||||
"github.com/ethereum/go-ethereum/swarm/api"
|
||||
"github.com/ethereum/go-ethereum/swarm/api/client"
|
||||
"github.com/ethereum/go-ethereum/swarm/spancontext"
|
||||
opentracing "github.com/opentracing/opentracing-go"
|
||||
cli "gopkg.in/urfave/cli.v1"
|
||||
)
|
||||
|
||||
func wrapCliCommand(name string, command func(*cli.Context) error) func(*cli.Context) error {
|
||||
return func(ctx *cli.Context) error {
|
||||
log.PrintOrigins(true)
|
||||
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
|
||||
log.Info("smoke test starting", "task", name, "timeout", timeout)
|
||||
metrics.GetOrRegisterCounter(name, nil).Inc(1)
|
||||
|
||||
errc := make(chan error)
|
||||
go func() {
|
||||
errc <- command(ctx)
|
||||
}()
|
||||
|
||||
select {
|
||||
case err := <-errc:
|
||||
if err != nil {
|
||||
metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", name), nil).Inc(1)
|
||||
}
|
||||
return err
|
||||
case <-time.After(time.Duration(timeout) * time.Second):
|
||||
metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", name), nil).Inc(1)
|
||||
return fmt.Errorf("timeout after %v sec", timeout)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func generateEndpoints(scheme string, cluster string, app string, from int, to int) {
|
||||
if cluster == "prod" {
|
||||
for port := from; port < to; port++ {
|
||||
endpoints = append(endpoints, fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, port))
|
||||
}
|
||||
} else {
|
||||
for port := from; port < to; port++ {
|
||||
endpoints = append(endpoints, fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, port, cluster))
|
||||
}
|
||||
}
|
||||
|
||||
if includeLocalhost {
|
||||
endpoints = append(endpoints, "http://localhost:8500")
|
||||
}
|
||||
}
|
||||
|
||||
//just use the first endpoint
|
||||
func generateEndpoint(scheme string, cluster string, app string, from int) string {
|
||||
if cluster == "prod" {
|
||||
return fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, from)
|
||||
} else {
|
||||
return fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, from, cluster)
|
||||
}
|
||||
}
|
||||
|
||||
func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error {
|
||||
ctx, sp := spancontext.StartSpan(context.Background(), "feed-and-sync.fetch")
|
||||
defer sp.Finish()
|
||||
|
||||
log.Trace("sleeping", "ruid", ruid)
|
||||
time.Sleep(3 * time.Second)
|
||||
|
||||
log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
|
||||
|
||||
var tn time.Time
|
||||
reqUri := endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user
|
||||
req, _ := http.NewRequest("GET", reqUri, nil)
|
||||
|
||||
opentracing.GlobalTracer().Inject(
|
||||
sp.Context(),
|
||||
opentracing.HTTPHeaders,
|
||||
opentracing.HTTPHeadersCarrier(req.Header))
|
||||
|
||||
trace := client.GetClientTrace("feed-and-sync - http get", "feed-and-sync", ruid, &tn)
|
||||
|
||||
req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
|
||||
transport := http.DefaultTransport
|
||||
|
||||
//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
|
||||
|
||||
tn = time.Now()
|
||||
res, err := transport.RoundTrip(req)
|
||||
if err != nil {
|
||||
log.Error(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
log.Trace("http get response (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength)
|
||||
|
||||
if res.StatusCode != 200 {
|
||||
return fmt.Errorf("expected status code %d, got %v (ruid %v)", 200, res.StatusCode, ruid)
|
||||
}
|
||||
|
||||
defer res.Body.Close()
|
||||
|
||||
rdigest, err := digest(res.Body)
|
||||
if err != nil {
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
if !bytes.Equal(rdigest, original) {
|
||||
err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// fetch is getting the requested `hash` from the `endpoint` and compares it with the `original` file
|
||||
func fetch(hash string, endpoint string, original []byte, ruid string) error {
|
||||
ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch")
|
||||
defer sp.Finish()
|
||||
|
||||
log.Trace("http get request", "ruid", ruid, "api", endpoint, "hash", hash)
|
||||
|
||||
var tn time.Time
|
||||
reqUri := endpoint + "/bzz:/" + hash + "/"
|
||||
req, _ := http.NewRequest("GET", reqUri, nil)
|
||||
|
||||
opentracing.GlobalTracer().Inject(
|
||||
sp.Context(),
|
||||
opentracing.HTTPHeaders,
|
||||
opentracing.HTTPHeadersCarrier(req.Header))
|
||||
|
||||
trace := client.GetClientTrace("upload-and-sync - http get", "upload-and-sync", ruid, &tn)
|
||||
|
||||
req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
|
||||
transport := http.DefaultTransport
|
||||
|
||||
//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
|
||||
|
||||
tn = time.Now()
|
||||
res, err := transport.RoundTrip(req)
|
||||
if err != nil {
|
||||
log.Error(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
log.Trace("http get response", "ruid", ruid, "api", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength)
|
||||
|
||||
if res.StatusCode != 200 {
|
||||
err := fmt.Errorf("expected status code %d, got %v", 200, res.StatusCode)
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
defer res.Body.Close()
|
||||
|
||||
rdigest, err := digest(res.Body)
|
||||
if err != nil {
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
if !bytes.Equal(rdigest, original) {
|
||||
err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
|
||||
log.Warn(err.Error(), "ruid", ruid)
|
||||
return err
|
||||
}
|
||||
|
||||
log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// upload an arbitrary byte as a plaintext file to `endpoint` using the api client
|
||||
func upload(dataBytes *[]byte, endpoint string) (string, error) {
|
||||
swarm := client.NewClient(endpoint)
|
||||
f := &client.File{
|
||||
ReadCloser: ioutil.NopCloser(bytes.NewReader(*dataBytes)),
|
||||
ManifestEntry: api.ManifestEntry{
|
||||
ContentType: "text/plain",
|
||||
Mode: 0660,
|
||||
Size: int64(len(*dataBytes)),
|
||||
},
|
||||
}
|
||||
|
||||
// upload data to bzz:// and retrieve the content-addressed manifest hash, hex-encoded.
|
||||
return swarm.Upload(f, "", false)
|
||||
}
|
||||
|
||||
func digest(r io.Reader) ([]byte, error) {
|
||||
h := md5.New()
|
||||
_, err := io.Copy(h, r)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return h.Sum(nil), nil
|
||||
}
|
||||
|
||||
// generates random data in heap buffer
|
||||
func generateRandomData(datasize int) ([]byte, error) {
|
||||
b := make([]byte, datasize)
|
||||
c, err := crand.Read(b)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
} else if c != datasize {
|
||||
return nil, errors.New("short read")
|
||||
}
|
||||
return b, nil
|
||||
}
|
||||
Loading…
Reference in a new issue