mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-22 11:41:19 +00:00
316 lines
11 KiB
Go
316 lines
11 KiB
Go
package main
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"os"
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"path/filepath"
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"time"
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"github.com/anacrolix/torrent/metainfo"
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"github.com/c2h5oh/datasize"
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grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
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grpc_recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
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"github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon-lib/common/datadir"
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"github.com/ledgerwatch/erigon-lib/downloader"
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downloadercfg2 "github.com/ledgerwatch/erigon-lib/downloader/downloadercfg"
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proto_downloader "github.com/ledgerwatch/erigon-lib/gointerfaces/downloader"
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"github.com/ledgerwatch/erigon/cmd/downloader/downloadernat"
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"github.com/ledgerwatch/erigon/cmd/utils"
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"github.com/ledgerwatch/erigon/common/paths"
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"github.com/ledgerwatch/erigon/p2p/nat"
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"github.com/ledgerwatch/erigon/params"
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"github.com/ledgerwatch/erigon/turbo/debug"
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"github.com/ledgerwatch/erigon/turbo/logging"
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"github.com/ledgerwatch/log/v3"
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"github.com/pelletier/go-toml/v2"
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"github.com/spf13/cobra"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/health"
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"google.golang.org/grpc/health/grpc_health_v1"
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"google.golang.org/grpc/keepalive"
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"google.golang.org/grpc/reflection"
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)
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var (
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datadirCli string
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forceRebuild bool
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forceVerify bool
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downloaderApiAddr string
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natSetting string
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torrentVerbosity int
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downloadRateStr, uploadRateStr string
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torrentDownloadSlots int
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staticPeersStr string
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torrentPort int
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torrentMaxPeers int
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torrentConnsPerFile int
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targetFile string
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disableIPV6 bool
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disableIPV4 bool
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)
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func init() {
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utils.CobraFlags(rootCmd, debug.Flags, utils.MetricFlags, logging.Flags)
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withDataDir(rootCmd)
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rootCmd.Flags().StringVar(&natSetting, "nat", utils.NATFlag.Value, utils.NATFlag.Usage)
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rootCmd.Flags().StringVar(&downloaderApiAddr, "downloader.api.addr", "127.0.0.1:9093", "external downloader api network address, for example: 127.0.0.1:9093 serves remote downloader interface")
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rootCmd.Flags().StringVar(&downloadRateStr, "torrent.download.rate", utils.TorrentDownloadRateFlag.Value, utils.TorrentDownloadRateFlag.Usage)
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rootCmd.Flags().StringVar(&uploadRateStr, "torrent.upload.rate", utils.TorrentUploadRateFlag.Value, utils.TorrentUploadRateFlag.Usage)
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rootCmd.Flags().IntVar(&torrentVerbosity, "torrent.verbosity", utils.TorrentVerbosityFlag.Value, utils.TorrentVerbosityFlag.Usage)
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rootCmd.Flags().IntVar(&torrentPort, "torrent.port", utils.TorrentPortFlag.Value, utils.TorrentPortFlag.Usage)
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rootCmd.Flags().IntVar(&torrentMaxPeers, "torrent.maxpeers", utils.TorrentMaxPeersFlag.Value, utils.TorrentMaxPeersFlag.Usage)
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rootCmd.Flags().IntVar(&torrentConnsPerFile, "torrent.conns.perfile", utils.TorrentConnsPerFileFlag.Value, utils.TorrentConnsPerFileFlag.Usage)
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rootCmd.Flags().IntVar(&torrentDownloadSlots, "torrent.download.slots", utils.TorrentDownloadSlotsFlag.Value, utils.TorrentDownloadSlotsFlag.Usage)
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rootCmd.Flags().StringVar(&staticPeersStr, utils.TorrentStaticPeersFlag.Name, utils.TorrentStaticPeersFlag.Value, utils.TorrentStaticPeersFlag.Usage)
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rootCmd.Flags().BoolVar(&disableIPV6, "downloader.disable.ipv6", utils.DisableIPV6.Value, utils.DisableIPV6.Usage)
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rootCmd.Flags().BoolVar(&disableIPV4, "downloader.disable.ipv4", utils.DisableIPV4.Value, utils.DisableIPV6.Usage)
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rootCmd.PersistentFlags().BoolVar(&forceVerify, "verify", false, "Force verify data files if have .torrent files")
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withDataDir(printTorrentHashes)
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printTorrentHashes.PersistentFlags().BoolVar(&forceRebuild, "rebuild", false, "Force re-create .torrent files")
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printTorrentHashes.Flags().StringVar(&targetFile, "targetfile", "", "write output to file")
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if err := printTorrentHashes.MarkFlagFilename("targetfile"); err != nil {
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panic(err)
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}
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rootCmd.AddCommand(printTorrentHashes)
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}
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func withDataDir(cmd *cobra.Command) {
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cmd.Flags().StringVar(&datadirCli, utils.DataDirFlag.Name, paths.DefaultDataDir(), utils.DataDirFlag.Usage)
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if err := cmd.MarkFlagDirname(utils.DataDirFlag.Name); err != nil {
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panic(err)
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}
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}
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func main() {
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ctx, cancel := common.RootContext()
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defer cancel()
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if err := rootCmd.ExecuteContext(ctx); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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var rootCmd = &cobra.Command{
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Use: "",
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Short: "snapshot downloader",
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Example: "go run ./cmd/downloader --datadir <your_datadir> --downloader.api.addr 127.0.0.1:9093",
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PersistentPostRun: func(cmd *cobra.Command, args []string) {
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debug.Exit()
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},
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Run: func(cmd *cobra.Command, args []string) {
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logger := debug.SetupCobra(cmd, "integration")
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if err := Downloader(cmd.Context(), logger); err != nil {
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if !errors.Is(err, context.Canceled) {
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logger.Error(err.Error())
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}
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return
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}
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},
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}
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func Downloader(ctx context.Context, logger log.Logger) error {
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dirs := datadir.New(datadirCli)
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torrentLogLevel, _, err := downloadercfg2.Int2LogLevel(torrentVerbosity)
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if err != nil {
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return err
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}
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var downloadRate, uploadRate datasize.ByteSize
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if err := downloadRate.UnmarshalText([]byte(downloadRateStr)); err != nil {
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return err
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}
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if err := uploadRate.UnmarshalText([]byte(uploadRateStr)); err != nil {
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return err
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}
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logger.Info("Run snapshot downloader", "addr", downloaderApiAddr, "datadir", dirs.DataDir, "ipv6-enabled", !disableIPV6, "ipv4-enabled", !disableIPV4, "download.rate", downloadRate.String(), "upload.rate", uploadRate.String())
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natif, err := nat.Parse(natSetting)
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if err != nil {
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return fmt.Errorf("invalid nat option %s: %w", natSetting, err)
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}
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staticPeers := utils.SplitAndTrim(staticPeersStr)
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version := "erigon: " + params.VersionWithCommit(params.GitCommit)
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cfg, err := downloadercfg2.New(dirs.Snap, version, torrentLogLevel, downloadRate, uploadRate, torrentPort, torrentConnsPerFile, torrentDownloadSlots, staticPeers)
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if err != nil {
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return err
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}
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cfg.ClientConfig.DisableIPv6 = disableIPV6
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cfg.ClientConfig.DisableIPv4 = disableIPV4
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downloadernat.DoNat(natif, cfg, logger)
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d, err := downloader.New(ctx, cfg)
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if err != nil {
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return err
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}
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defer d.Close()
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logger.Info("[torrent] Start", "my peerID", fmt.Sprintf("%x", d.Torrent().PeerID()))
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d.MainLoopInBackground(ctx, false)
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bittorrentServer, err := downloader.NewGrpcServer(d)
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if err != nil {
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return fmt.Errorf("new server: %w", err)
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}
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grpcServer, err := StartGrpc(bittorrentServer, downloaderApiAddr, nil /* transportCredentials */, logger)
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if err != nil {
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return err
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}
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defer grpcServer.GracefulStop()
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if forceVerify { // remove and create .torrent files (will re-read all snapshots)
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if err = d.VerifyData(ctx); err != nil {
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return err
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}
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}
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<-ctx.Done()
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return nil
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}
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var printTorrentHashes = &cobra.Command{
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Use: "torrent_hashes",
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Example: "go run ./cmd/downloader torrent_hashes --datadir <your_datadir>",
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RunE: func(cmd *cobra.Command, args []string) error {
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logger := debug.SetupCobra(cmd, "integration")
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dirs := datadir.New(datadirCli)
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ctx := cmd.Context()
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if forceRebuild { // remove and create .torrent files (will re-read all snapshots)
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//removePieceCompletionStorage(snapDir)
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files, err := downloader.AllTorrentPaths(dirs.Snap)
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if err != nil {
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return err
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}
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for _, filePath := range files {
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if err := os.Remove(filePath); err != nil {
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return err
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}
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}
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if _, err := downloader.BuildTorrentFilesIfNeed(ctx, dirs.Snap); err != nil {
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return err
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}
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}
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res := map[string]string{}
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files, err := downloader.AllTorrentPaths(dirs.Snap)
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if err != nil {
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return err
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}
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for _, torrentFilePath := range files {
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mi, err := metainfo.LoadFromFile(torrentFilePath)
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if err != nil {
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return err
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}
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info, err := mi.UnmarshalInfo()
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if err != nil {
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return err
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}
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res[info.Name] = mi.HashInfoBytes().String()
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}
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serialized, err := toml.Marshal(res)
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if err != nil {
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return err
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}
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if targetFile == "" {
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fmt.Printf("%s\n", serialized)
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return nil
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}
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oldContent, err := os.ReadFile(targetFile)
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if err != nil {
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return err
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}
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oldLines := map[string]string{}
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if err := toml.Unmarshal(oldContent, &oldLines); err != nil {
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return fmt.Errorf("unmarshal: %w", err)
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}
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if len(oldLines) >= len(res) {
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logger.Info("amount of lines in target file is equal or greater than amount of lines in snapshot dir", "old", len(oldLines), "new", len(res))
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return nil
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}
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if err := os.WriteFile(targetFile, serialized, 0644); err != nil { // nolint
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return err
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}
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return nil
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},
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}
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// nolint
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func removePieceCompletionStorage(snapDir string) {
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_ = os.RemoveAll(filepath.Join(snapDir, "db"))
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_ = os.RemoveAll(filepath.Join(snapDir, ".torrent.db"))
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_ = os.RemoveAll(filepath.Join(snapDir, ".torrent.bolt.db"))
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_ = os.RemoveAll(filepath.Join(snapDir, ".torrent.db-shm"))
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_ = os.RemoveAll(filepath.Join(snapDir, ".torrent.db-wal"))
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}
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func StartGrpc(snServer *downloader.GrpcServer, addr string, creds *credentials.TransportCredentials, logger log.Logger) (*grpc.Server, error) {
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lis, err := net.Listen("tcp", addr)
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if err != nil {
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return nil, fmt.Errorf("could not create listener: %w, addr=%s", err, addr)
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}
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var (
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streamInterceptors []grpc.StreamServerInterceptor
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unaryInterceptors []grpc.UnaryServerInterceptor
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)
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streamInterceptors = append(streamInterceptors, grpc_recovery.StreamServerInterceptor())
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unaryInterceptors = append(unaryInterceptors, grpc_recovery.UnaryServerInterceptor())
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//if metrics.Enabled {
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// streamInterceptors = append(streamInterceptors, grpc_prometheus.StreamServerInterceptor)
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// unaryInterceptors = append(unaryInterceptors, grpc_prometheus.UnaryServerInterceptor)
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//}
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opts := []grpc.ServerOption{
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// https://github.com/grpc/grpc-go/issues/3171#issuecomment-552796779
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grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
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MinTime: 10 * time.Second,
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PermitWithoutStream: true,
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}),
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grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(streamInterceptors...)),
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grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(unaryInterceptors...)),
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}
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if creds == nil {
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// no specific opts
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} else {
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opts = append(opts, grpc.Creds(*creds))
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}
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grpcServer := grpc.NewServer(opts...)
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reflection.Register(grpcServer) // Register reflection service on gRPC server.
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if snServer != nil {
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proto_downloader.RegisterDownloaderServer(grpcServer, snServer)
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}
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//if metrics.Enabled {
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// grpc_prometheus.Register(grpcServer)
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//}
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healthServer := health.NewServer()
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grpc_health_v1.RegisterHealthServer(grpcServer, healthServer)
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go func() {
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defer healthServer.Shutdown()
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if err := grpcServer.Serve(lis); err != nil {
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logger.Error("gRPC server stop", "err", err)
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}
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}()
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logger.Info("Started gRPC server", "on", addr)
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return grpcServer, nil
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}
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