go-ethereum/cmd/swarm/swarm-smoke/upload_speed.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 (
"crypto/md5"
crand "crypto/rand"
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"fmt"
"io"
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"time"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
cli "gopkg.in/urfave/cli.v1"
)
func uploadSpeed(c *cli.Context) error {
endpoint := generateEndpoint(scheme, cluster, appName, from)
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seed := int(time.Now().UnixNano() / 1e6)
log.Info("uploading to "+endpoint, "seed", seed)
h := md5.New()
r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h)
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t1 := time.Now()
hash, err := upload(r, filesize*1000, endpoint)
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if err != nil {
log.Error(err.Error())
return err
}
metrics.GetOrRegisterCounter("upload-speed.upload-time", nil).Inc(int64(time.Since(t1)))
fhash := h.Sum(nil)
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log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
return nil
}