diff --git a/cmd/swarm/upload-speed/main.go b/cmd/swarm/upload-speed/main.go
new file mode 100644
index 0000000000..68212e118e
--- /dev/null
+++ b/cmd/swarm/upload-speed/main.go
@@ -0,0 +1,151 @@
+// 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 .
+
+package main
+
+import (
+ "fmt"
+ "os"
+ "sort"
+
+ "github.com/ethereum/go-ethereum/cmd/utils"
+ gethmetrics "github.com/ethereum/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/metrics/influxdb"
+ swarmmetrics "github.com/ethereum/go-ethereum/swarm/metrics"
+ "github.com/ethereum/go-ethereum/swarm/tracing"
+
+ "github.com/ethereum/go-ethereum/log"
+
+ cli "gopkg.in/urfave/cli.v1"
+)
+
+var (
+ gitCommit string // Git SHA1 commit hash of the release (set via linker flags)
+)
+
+var (
+ endpoint string
+ cluster string
+ appName string
+ scheme string
+ filesize int
+ verbosity int
+ timeout int
+)
+
+func main() {
+
+ app := cli.NewApp()
+ app.Name = "upload-speed"
+ app.Usage = ""
+
+ app.Flags = []cli.Flag{
+ cli.StringFlag{
+ Name: "cluster-endpoint",
+ Value: "prod",
+ Usage: "cluster to point to (prod or a given namespace)",
+ Destination: &cluster,
+ },
+ cli.StringFlag{
+ Name: "app",
+ Value: "swarm",
+ Usage: "application to point to (swarm or swarm-private)",
+ Destination: &appName,
+ },
+ cli.StringFlag{
+ Name: "cluster-scheme",
+ Value: "http",
+ Usage: "http or https",
+ Destination: &scheme,
+ },
+ cli.IntFlag{
+ Name: "filesize",
+ Value: 1024,
+ Usage: "file size for generated random file in KB",
+ Destination: &filesize,
+ },
+ cli.IntFlag{
+ Name: "verbosity",
+ Value: 1,
+ Usage: "verbosity",
+ Destination: &verbosity,
+ },
+ cli.IntFlag{
+ Name: "timeout",
+ Value: 120,
+ Usage: "timeout in seconds after which kill the process",
+ Destination: &timeout,
+ },
+ }
+
+ app.Flags = append(app.Flags, []cli.Flag{
+ utils.MetricsEnabledFlag,
+ swarmmetrics.MetricsInfluxDBEndpointFlag,
+ swarmmetrics.MetricsInfluxDBDatabaseFlag,
+ swarmmetrics.MetricsInfluxDBUsernameFlag,
+ swarmmetrics.MetricsInfluxDBPasswordFlag,
+ swarmmetrics.MetricsInfluxDBHostTagFlag,
+ }...)
+
+ app.Flags = append(app.Flags, tracing.Flags...)
+
+ app.Commands = []cli.Command{
+ {
+ Name: "upload_speed",
+ //Aliases: []string{"c"},
+ Usage: "upload speed",
+ Action: cliUploadSpeed,
+ },
+ }
+
+ sort.Sort(cli.FlagsByName(app.Flags))
+ sort.Sort(cli.CommandsByName(app.Commands))
+
+ app.Before = func(ctx *cli.Context) error {
+ tracing.Setup(ctx)
+ return nil
+ }
+
+ app.After = func(ctx *cli.Context) error {
+ return emitMetrics(ctx)
+ }
+
+ err := app.Run(os.Args)
+ if err != nil {
+ log.Error(err.Error())
+
+ os.Exit(1)
+ }
+}
+
+func emitMetrics(ctx *cli.Context) error {
+ if gethmetrics.Enabled {
+ var (
+ endpoint = ctx.GlobalString(swarmmetrics.MetricsInfluxDBEndpointFlag.Name)
+ database = ctx.GlobalString(swarmmetrics.MetricsInfluxDBDatabaseFlag.Name)
+ username = ctx.GlobalString(swarmmetrics.MetricsInfluxDBUsernameFlag.Name)
+ password = ctx.GlobalString(swarmmetrics.MetricsInfluxDBPasswordFlag.Name)
+ hosttag = ctx.GlobalString(swarmmetrics.MetricsInfluxDBHostTagFlag.Name)
+ )
+ return influxdb.InfluxDBWithTagsOnce(gethmetrics.DefaultRegistry, endpoint, database, username, password, "upload-speed", map[string]string{
+ "host": hosttag,
+ "version": gitCommit,
+ "filesize": fmt.Sprintf("%v", filesize),
+ })
+ }
+
+ return nil
+}
diff --git a/cmd/swarm/upload-speed/upload_speed.go b/cmd/swarm/upload-speed/upload_speed.go
new file mode 100644
index 0000000000..121b3cb8ce
--- /dev/null
+++ b/cmd/swarm/upload-speed/upload_speed.go
@@ -0,0 +1,249 @@
+// 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 .
+
+package main
+
+import (
+ "bytes"
+ "context"
+ "crypto/md5"
+ crand "crypto/rand"
+ "errors"
+ "fmt"
+ "io"
+ "io/ioutil"
+ "math/rand"
+ "net/http"
+ "net/http/httptrace"
+ "os"
+ "sync"
+ "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"
+ "github.com/ethereum/go-ethereum/swarm/testutil"
+ opentracing "github.com/opentracing/opentracing-go"
+ "github.com/pborman/uuid"
+
+ cli "gopkg.in/urfave/cli.v1"
+)
+
+func generateEndpoint(scheme string, cluster string, app string, endpoint string) {
+ if cluster == "prod" {
+ endpoint = fmt.Sprintf("%s://%v.swarm-gateways.net", scheme)
+ } else {
+ endpoint = fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, 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)
+
+ log.Info("total time", "time", totalTime, "kb", filesize)
+ metrics.GetOrRegisterCounter("upload-speed.total-time", nil).Inc(int64(totalTime))
+ }(time.Now())
+
+ generateEndpoints(scheme, cluster, appName, endpoint)
+ seed := int(time.Now().UnixNano() / 1e6)
+ log.Info("uploading to "+endpoints[0]+" and syncing", "seed", seed)
+
+ randomBytes := testutil.RandomBytes(seed, filesize*1000)
+
+ t1 := time.Now()
+ hash, err := upload(&randomBytes, endpoints[0])
+ if err != nil {
+ log.Error(err.Error())
+ return err
+ }
+ metrics.GetOrRegisterCounter("upload-speed.upload-time", nil).Inc(int64(time.Since(t1)))
+
+ fhash, err := digest(bytes.NewReader(randomBytes))
+ if err != nil {
+ log.Error(err.Error())
+ return err
+ }
+
+ log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
+
+ time.Sleep(time.Duration(syncDelay) * time.Second)
+
+ wg := sync.WaitGroup{}
+ if single {
+ rand.Seed(time.Now().UTC().UnixNano())
+ randIndex := 1 + rand.Intn(len(endpoints)-1)
+ ruid := uuid.New()[:8]
+ wg.Add(1)
+ go func(endpoint string, ruid string) {
+ for {
+ start := time.Now()
+ err := fetch(hash, endpoint, fhash, ruid)
+ fetchTime := time.Since(start)
+ if err != nil {
+ continue
+ }
+
+ metrics.GetOrRegisterMeter("upload-speed.single.fetch-time", nil).Mark(int64(fetchTime))
+ wg.Done()
+ return
+ }
+ }(endpoints[randIndex], ruid)
+ } else {
+ for _, endpoint := range endpoints {
+ ruid := uuid.New()[:8]
+ wg.Add(1)
+ go func(endpoint string, ruid string) {
+ for {
+ start := time.Now()
+ err := fetch(hash, endpoint, fhash, ruid)
+ fetchTime := time.Since(start)
+ if err != nil {
+ continue
+ }
+
+ metrics.GetOrRegisterMeter("upload-speed.each.fetch-time", nil).Mark(int64(fetchTime))
+ wg.Done()
+ return
+ }
+ }(endpoint, ruid)
+ }
+ }
+ wg.Wait()
+ log.Info("all endpoints synced random file successfully")
+
+ 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-speed.fetch")
+ defer sp.Finish()
+
+ log.Trace("sleeping", "ruid", ruid)
+ time.Sleep(3 * time.Second)
+ 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-speed - http get", "upload-speed", 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 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
+}