forked from cerc-io/plugeth
107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
// 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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"crypto/md5"
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crand "crypto/rand"
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"fmt"
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"io"
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"math/rand"
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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/pborman/uuid"
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cli "gopkg.in/urfave/cli.v1"
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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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log.Info("total time", "time", totalTime, "kb", filesize)
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metrics.GetOrRegisterResettingTimer("upload-and-sync.total-time", nil).Update(totalTime)
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}(time.Now())
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generateEndpoints(scheme, cluster, appName, from, to)
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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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h := md5.New()
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r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h)
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t1 := time.Now()
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hash, err := upload(r, filesize*1000, 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.GetOrRegisterResettingTimer("upload-and-sync.upload-time", nil).UpdateSince(t1)
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fhash := h.Sum(nil)
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log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
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time.Sleep(time.Duration(syncDelay) * time.Second)
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wg := sync.WaitGroup{}
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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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for {
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start := time.Now()
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err := fetch(hash, endpoint, fhash, ruid)
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if err != nil {
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continue
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}
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metrics.GetOrRegisterResettingTimer("upload-and-sync.single.fetch-time", nil).UpdateSince(start)
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wg.Done()
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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[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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for {
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start := time.Now()
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err := fetch(hash, endpoint, fhash, ruid)
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if err != nil {
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continue
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}
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metrics.GetOrRegisterResettingTimer("upload-and-sync.each.fetch-time", nil).UpdateSince(start)
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wg.Done()
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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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log.Info("all endpoints synced random file successfully")
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return nil
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}
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