126 lines
2.3 KiB
Go
126 lines
2.3 KiB
Go
package cmd
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import (
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"encoding/json"
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"io/ioutil"
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"math/rand"
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"os"
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"os/signal"
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"sync"
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"syscall"
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"time"
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"github.com/davecgh/go-spew/spew"
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"github.com/lbryio/reflector.go/dht"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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func init() {
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var cmd = &cobra.Command{
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Use: "dht",
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Short: "Run interactive dht node",
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Run: dhtCmd,
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}
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RootCmd.AddCommand(cmd)
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}
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func dhtCmd(cmd *cobra.Command, args []string) {
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type rtData struct {
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BlobHashes []string `json:"blob_hashes"`
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Buckets map[string][]struct {
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Address string `json:"address"`
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Blobs []string `json:"blobs"`
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NodeID string `json:"node_id"`
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} `json:"buckets"`
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Contacts []string `json:"contacts"`
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NodeID string `json:"node_id"`
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}
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bytes, err := ioutil.ReadAll(os.Stdin)
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checkErr(err)
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var data rtData
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err = json.Unmarshal(bytes, &data)
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checkErr(err)
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spew.Dump(data)
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d, err := dht.New(nil)
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checkErr(err)
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err = d.Start()
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checkErr(err)
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for _, nodes := range data.Buckets {
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for _, node := range nodes {
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err = d.Ping(node.Address + ":4444")
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if err != nil {
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log.Errorf("no response from %s", node.Address)
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}
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}
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}
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d.Shutdown()
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return
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rand.Seed(time.Now().UnixNano())
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//d, err := dht.New(&dht.Config{
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// Address: "127.0.0.1:21216",
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// SeedNodes: []string{"127.0.0.1:21215"},
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// PrintState: 30 * time.Second,
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//})
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//if err != nil {
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// log.Fatal(err)
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//}
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//
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//go d.Start()
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//d.WaitUntilJoined()
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nodes := 10
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_, dhts := dht.TestingCreateDHT(nodes)
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defer func() {
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for _, d := range dhts {
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go d.Shutdown()
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}
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time.Sleep(1 * time.Second)
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}()
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wg := &sync.WaitGroup{}
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numIDs := nodes / 2
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ids := make([]dht.Bitmap, numIDs)
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for i := 0; i < numIDs; i++ {
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ids[i] = dht.RandomBitmapP()
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}
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for i := 0; i < numIDs; i++ {
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go func(i int) {
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r := rand.Intn(nodes)
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wg.Add(1)
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defer wg.Done()
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dhts[r].Announce(ids[i])
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}(i)
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}
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wg.Wait()
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go func() {
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for {
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dhts[1].PrintState()
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time.Sleep(10 * time.Second)
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}
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}()
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interruptChan := make(chan os.Signal, 1)
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signal.Notify(interruptChan, os.Interrupt, syscall.SIGTERM)
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<-interruptChan
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spew.Dump(dhts[1].Announce(dht.BitmapFromHexP("21b2e2d2996b4bef3ff41176668a0577f86aba7f1ea2996edd18f9c42430802c8085311145c5f0c44a7f352e2ba8ae59")))
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<-interruptChan
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for _, d := range dhts {
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go d.Shutdown()
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}
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time.Sleep(1 * time.Second)
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}
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