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path: root/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"
    "fmt"
    "io"
    "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 {
    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())

    endpoint := generateEndpoint(scheme, cluster, appName, from)
    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)

    t1 := time.Now()
    hash, err := upload(r, filesize*1000, endpoint)
    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)

    log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
    return nil
}