github.com/XinFinOrg/xdcchain@v1.1.0/cmd/swarm/swarm-smoke/util.go (about)

     1  // Copyright 2018 The go-ethereum Authors
     2  // This file is part of go-ethereum.
     3  //
     4  // go-ethereum is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // go-ethereum is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package main
    18  
    19  import (
    20  	"bytes"
    21  	"context"
    22  	"crypto/md5"
    23  	crand "crypto/rand"
    24  	"errors"
    25  	"fmt"
    26  	"io"
    27  	"io/ioutil"
    28  	"math/rand"
    29  	"net/http"
    30  	"net/http/httptrace"
    31  	"os"
    32  	"strings"
    33  	"time"
    34  
    35  	"github.com/ethereum/go-ethereum/log"
    36  	"github.com/ethereum/go-ethereum/metrics"
    37  	"github.com/ethereum/go-ethereum/swarm/api"
    38  	"github.com/ethereum/go-ethereum/swarm/api/client"
    39  	"github.com/ethereum/go-ethereum/swarm/spancontext"
    40  	opentracing "github.com/opentracing/opentracing-go"
    41  	"github.com/pborman/uuid"
    42  	cli "gopkg.in/urfave/cli.v1"
    43  )
    44  
    45  var (
    46  	commandName = ""
    47  	seed        = int(time.Now().UTC().UnixNano())
    48  )
    49  
    50  func init() {
    51  	rand.Seed(int64(seed))
    52  }
    53  
    54  func httpEndpoint(host string) string {
    55  	return fmt.Sprintf("http://%s:%d", host, httpPort)
    56  }
    57  
    58  func wsEndpoint(host string) string {
    59  	return fmt.Sprintf("ws://%s:%d", host, wsPort)
    60  }
    61  
    62  func wrapCliCommand(name string, command func(*cli.Context, string) error) func(*cli.Context) error {
    63  	return func(ctx *cli.Context) error {
    64  		log.PrintOrigins(true)
    65  		log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(false))))
    66  
    67  		// test uuid
    68  		tuid := uuid.New()[:8]
    69  
    70  		commandName = name
    71  
    72  		hosts = strings.Split(allhosts, ",")
    73  
    74  		defer func(now time.Time) {
    75  			totalTime := time.Since(now)
    76  			log.Info("total time", "tuid", tuid, "time", totalTime, "kb", filesize)
    77  			metrics.GetOrRegisterResettingTimer(name+".total-time", nil).Update(totalTime)
    78  		}(time.Now())
    79  
    80  		log.Info("smoke test starting", "tuid", tuid, "task", name, "timeout", timeout)
    81  		metrics.GetOrRegisterCounter(name, nil).Inc(1)
    82  
    83  		return command(ctx, tuid)
    84  	}
    85  }
    86  
    87  func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error {
    88  	ctx, sp := spancontext.StartSpan(context.Background(), "feed-and-sync.fetch")
    89  	defer sp.Finish()
    90  
    91  	log.Trace("sleeping", "ruid", ruid)
    92  	time.Sleep(3 * time.Second)
    93  
    94  	log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
    95  
    96  	var tn time.Time
    97  	reqUri := endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user
    98  	req, _ := http.NewRequest("GET", reqUri, nil)
    99  
   100  	opentracing.GlobalTracer().Inject(
   101  		sp.Context(),
   102  		opentracing.HTTPHeaders,
   103  		opentracing.HTTPHeadersCarrier(req.Header))
   104  
   105  	trace := client.GetClientTrace("feed-and-sync - http get", "feed-and-sync", ruid, &tn)
   106  
   107  	req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
   108  	transport := http.DefaultTransport
   109  
   110  	//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
   111  
   112  	tn = time.Now()
   113  	res, err := transport.RoundTrip(req)
   114  	if err != nil {
   115  		log.Error(err.Error(), "ruid", ruid)
   116  		return err
   117  	}
   118  
   119  	log.Trace("http get response (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength)
   120  
   121  	if res.StatusCode != 200 {
   122  		return fmt.Errorf("expected status code %d, got %v (ruid %v)", 200, res.StatusCode, ruid)
   123  	}
   124  
   125  	defer res.Body.Close()
   126  
   127  	rdigest, err := digest(res.Body)
   128  	if err != nil {
   129  		log.Warn(err.Error(), "ruid", ruid)
   130  		return err
   131  	}
   132  
   133  	if !bytes.Equal(rdigest, original) {
   134  		err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
   135  		log.Warn(err.Error(), "ruid", ruid)
   136  		return err
   137  	}
   138  
   139  	log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
   140  
   141  	return nil
   142  }
   143  
   144  // fetch is getting the requested `hash` from the `endpoint` and compares it with the `original` file
   145  func fetch(hash string, endpoint string, original []byte, ruid string, tuid string) error {
   146  	ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch")
   147  	defer sp.Finish()
   148  
   149  	log.Info("http get request", "tuid", tuid, "ruid", ruid, "endpoint", endpoint, "hash", hash)
   150  
   151  	var tn time.Time
   152  	reqUri := endpoint + "/bzz:/" + hash + "/"
   153  	req, _ := http.NewRequest("GET", reqUri, nil)
   154  
   155  	opentracing.GlobalTracer().Inject(
   156  		sp.Context(),
   157  		opentracing.HTTPHeaders,
   158  		opentracing.HTTPHeadersCarrier(req.Header))
   159  
   160  	trace := client.GetClientTrace(commandName+" - http get", commandName, ruid, &tn)
   161  
   162  	req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
   163  	transport := http.DefaultTransport
   164  
   165  	//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
   166  
   167  	tn = time.Now()
   168  	res, err := transport.RoundTrip(req)
   169  	if err != nil {
   170  		log.Error(err.Error(), "ruid", ruid)
   171  		return err
   172  	}
   173  	log.Info("http get response", "tuid", tuid, "ruid", ruid, "endpoint", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength)
   174  
   175  	if res.StatusCode != 200 {
   176  		err := fmt.Errorf("expected status code %d, got %v", 200, res.StatusCode)
   177  		log.Warn(err.Error(), "ruid", ruid)
   178  		return err
   179  	}
   180  
   181  	defer res.Body.Close()
   182  
   183  	rdigest, err := digest(res.Body)
   184  	if err != nil {
   185  		log.Warn(err.Error(), "ruid", ruid)
   186  		return err
   187  	}
   188  
   189  	if !bytes.Equal(rdigest, original) {
   190  		err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
   191  		log.Warn(err.Error(), "ruid", ruid)
   192  		return err
   193  	}
   194  
   195  	log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
   196  
   197  	return nil
   198  }
   199  
   200  // upload an arbitrary byte as a plaintext file  to `endpoint` using the api client
   201  func upload(data []byte, endpoint string) (string, error) {
   202  	swarm := client.NewClient(endpoint)
   203  	f := &client.File{
   204  		ReadCloser: ioutil.NopCloser(bytes.NewReader(data)),
   205  		ManifestEntry: api.ManifestEntry{
   206  			ContentType: "text/plain",
   207  			Mode:        0660,
   208  			Size:        int64(len(data)),
   209  		},
   210  	}
   211  
   212  	// upload data to bzz:// and retrieve the content-addressed manifest hash, hex-encoded.
   213  	return swarm.Upload(f, "", false)
   214  }
   215  
   216  func digest(r io.Reader) ([]byte, error) {
   217  	h := md5.New()
   218  	_, err := io.Copy(h, r)
   219  	if err != nil {
   220  		return nil, err
   221  	}
   222  	return h.Sum(nil), nil
   223  }
   224  
   225  // generates random data in heap buffer
   226  func generateRandomData(datasize int) ([]byte, error) {
   227  	b := make([]byte, datasize)
   228  	c, err := crand.Read(b)
   229  	if err != nil {
   230  		return nil, err
   231  	} else if c != datasize {
   232  		return nil, errors.New("short read")
   233  	}
   234  	return b, nil
   235  }