commit 25788f26840fffd5f6e7e3cfa4fdf19566493d8f · edavis.dev/monarch

+7 -64

cmd/backfiller/backend.go

···

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       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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       	"log/slog"

     

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       	"sync"

     

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       	"time"

     

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       	comatproto "github.com/bluesky-social/indigo/api/atproto"

     

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       	"github.com/bluesky-social/indigo/backfill"

     

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       	"gorm.io/gorm"

     

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       )

     

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       type Backend struct {

     

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       	state   *gorm.DB

     

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       	bf      *backfill.Backfiller

     

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       	seqLk   sync.Mutex

     

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       	lastSeq int64

     

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       	state *gorm.DB

     

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       	bf    *backfill.Backfiller

     

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       +
       

     

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       	firehoseLk  sync.Mutex

     

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       	firehoseSeq int64

     

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       	reposLk     sync.Mutex

     

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       	reposSeq    string

     

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       }

     

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       func NewBackend(state *gorm.DB, bf *backfill.Backfiller) *Backend {

     
···

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       		bf:    bf,

     

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       	}

     

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       }

     

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       func (b *Backend) RepoCommitHandler(ctx context.Context, evt *comatproto.SyncSubscribeRepos_Commit) error {

     

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       	b.seqLk.Lock()

     

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       	if evt.Seq > b.lastSeq {

     

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       		b.lastSeq = evt.Seq

     

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       	}

     

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       	b.seqLk.Unlock()

     

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       	job, err := b.bf.Store.GetJob(ctx, evt.Repo)

     

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       	if job == nil {

     

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       		if errors.Is(err, backfill.ErrJobNotFound) {

     

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       			return nil

     

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       		} else {

     

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       			return fmt.Errorf("error getting job: %w", err)

     

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       		}

     

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       	} else {

     

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       		return b.bf.HandleEvent(ctx, evt)

     

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       	}

     

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       }

     

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       func (b *Backend) LoadCursor() (int, error) {

     

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       	var rec cursorRecord

     

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       	if err := b.state.Find(&rec, "id = 1").Error; err != nil {

     

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       		return 0, err

     

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       	}

     

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       	if rec.ID == 0 {

     

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       		if err := b.state.Create(&cursorRecord{ID: 1}).Error; err != nil {

     

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       			return 0, err

     

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       		}

     

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       	}

     

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       	return rec.Val, nil

     

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       }

     

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       func (b *Backend) FlushCursor() error {

     

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       	b.seqLk.Lock()

     

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       	v := b.lastSeq

     

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       	b.seqLk.Unlock()

     

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       	if err := b.state.Model(cursorRecord{}).Where("id = 1 and val < ?", v).Update("val", v).Error; err != nil {

     

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       		return err

     

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       	}

     

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       	return nil

     

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       }

     

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       func (b *Backend) syncCursorRoutine() {

     

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       	for range time.Tick(time.Second * 5) {

     

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       		if err := b.FlushCursor(); err != nil {

     

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       			slog.Error("failed to flush cursor", "err", err)

     

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       		}

     

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       	}

     

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       }

-168

cmd/backfiller/backfiller.go

···

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       package main

     

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       import (

     

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       	"context"

     

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       	"fmt"

     

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       	"log"

     

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       	"log/slog"

     

       8
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       	"net/http"

     

       9
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       	"os"

     

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       	"os/signal"

     

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       	"strconv"

     

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       	"syscall"

     

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       	"time"

     

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       	"github.com/bluesky-social/indigo/api/atproto"

     

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       	"github.com/bluesky-social/indigo/backfill"

     

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       	"github.com/bluesky-social/indigo/events"

     

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       	"github.com/bluesky-social/indigo/events/schedulers/parallel"

     

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       	"github.com/bluesky-social/indigo/xrpc"

     

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       	"github.com/gorilla/websocket"

     

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       	"github.com/ipfs/go-cid"

     

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       	"gorm.io/driver/sqlite"

     

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       	"gorm.io/gorm"

     

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       	"gorm.io/gorm/logger"

     

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       )

     

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       type cursorRecord struct {

     

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       	ID  uint `gorm:"primaryKey"`

     

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       	Val int

     

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       }

     

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       func handleCreate(ctx context.Context, repo, rev, path string, rec *[]byte, cid *cid.Cid) error {

     

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       	return nil

     

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       }

     

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       func handleUpdate(ctx context.Context, repo, rev, path string, rec *[]byte, cid *cid.Cid) error {

     

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       	return nil

     

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       }

     

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       func handleDelete(ctx context.Context, repo, rev, path string) error {

     

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       	return nil

     

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       }

     

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       func main() {

     

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       	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGINT, syscall.SIGTERM)

     

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       	defer stop()

     

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       	sl := slog.With("source", "backfiller")

     

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       	newLogger := logger.New(

     

       52
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       		log.New(os.Stdout, "\n", log.LstdFlags),

     

       53
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       		logger.Config{

     

       54
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       			SlowThreshold: 5 * time.Second,

     

       55
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       			Colorful:      false,

     

       56
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       		},

     

       57
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       	)

     

       58
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       	db, err := gorm.Open(sqlite.Open("state.db"), &gorm.Config{

     

       59
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       		Logger: newLogger,

     

       60
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       	})

     

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       	if err != nil {

     

       62
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       		sl.Error("failed to connect to database", "err", err)

     

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       	}

     

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       	db.AutoMigrate(&backfill.GormDBJob{})

     

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       	db.AutoMigrate(&cursorRecord{})

     

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       	store := backfill.NewGormstore(db)

     

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       	// create and start the backfiller

     

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       	opts := &backfill.BackfillOptions{

     

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       		ParallelBackfills:     10,

     

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       		ParallelRecordCreates: 100,

     

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       		SyncRequestsPerSecond: 4,

     

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       		RelayHost:             "https://bsky.network",

     

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       	}

     

       75
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       	bf := backfill.NewBackfiller("backfills", store, handleCreate, handleUpdate, handleDelete, opts)

     

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       	go bf.Start()

     

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       	// set up the backend service

     

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       	backend := NewBackend(db, bf)

     

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       	go backend.syncCursorRoutine()

     

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       	// connect to the relay

     

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       	subscribeUrl := "wss://bsky.network/xrpc/com.atproto.sync.subscribeRepos"

     

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       	curs, err := backend.LoadCursor()

     

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       	if err != nil {

     

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       		sl.Error("error loading firehose cursor", "err", err)

     

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       	}

     

       88
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       	if curs > 0 {

     

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       		subscribeUrl += "?cursor=" + strconv.Itoa(curs)

     

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       	}

     

       91
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       	con, _, err := websocket.DefaultDialer.Dial(subscribeUrl, http.Header{

     

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       		"User-Agent": []string{"backfiller/0.1 (@edavis.dev)"},

     

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       -
       	})

     

       95
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       	if err != nil {

     

       96
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       		sl.Error("failed to connect to relay", "err", err)

     

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       	}

     

       98
       98
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       	// pump repos

     

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       	go func(ctx context.Context, bf *backfill.Backfiller) {

     

       101
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       		if err := pumpRepos(ctx, bf); err != nil {

     

       102
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       			sl.Error("failed pumping repos", "err", err)

     

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       		}

     

       104
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       -
       	}(ctx, bf)

     

       105
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       106
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       	// read from the firehose

     

       107
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       	rsc := events.RepoStreamCallbacks{

     

       108
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       		RepoCommit: func(evt *atproto.SyncSubscribeRepos_Commit) error {

     

       109
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       -
       			return backend.RepoCommitHandler(ctx, evt)

     

       110
       110
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       		},

     

       111
       111
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       	}

     

       112
       112
       -
       	sched := parallel.NewScheduler(16, 100, "firehose", rsc.EventHandler)

     

       113
       113
       -
       	if err := events.HandleRepoStream(ctx, con, sched, nil); err != nil {

     

       114
       114
       -
       		sl.Error("failed to start scheduler", "err", err)

     

       115
       115
       -
       	}

     

       116
       116
       -
       

     

       117
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       	<-ctx.Done()

     

       118
       118
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       	bf.Stop(context.TODO())

     

       119
       119
       -
       }

     

       120
       120
       -
       

     

       121
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       type jobMaker interface {

     

       122
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       	GetOrCreateJob(context.Context, string, string) (backfill.Job, error)

     

       123
       123
       -
       }

     

       124
       124
       -
       

     

       125
       125
       -
       func pumpRepos(ctx context.Context, bf *backfill.Backfiller) error {

     

       126
       126
       -
       	sl := slog.With("source", "pumpRepos")

     

       127
       127
       -
       

     

       128
       128
       -
       	xrpcc := &xrpc.Client{

     

       129
       129
       -
       		Host: "https://bsky.network",

     

       130
       130
       -
       	}

     

       131
       131
       -
       

     

       132
       132
       -
       	jmstore, ok := bf.Store.(jobMaker)

     

       133
       133
       -
       	if !ok {

     

       134
       134
       -
       		return fmt.Errorf("configured job store doesn't support random job creation")

     

       135
       135
       -
       	}

     

       136
       136
       -
       

     

       137
       137
       -
       	var curs string

     

       138
       138
       -
       	for {

     

       139
       139
       -
       		select {

     

       140
       140
       -
       		case <-ctx.Done():

     

       141
       141
       -
       			sl.Info("stopping repo pump")

     

       142
       142
       -
       			return nil

     

       143
       143
       -
       		default:

     

       144
       144
       -
       		}

     

       145
       145
       -
       

     

       146
       146
       -
       		sl.Info("listing repos", "cursor", curs)

     

       147
       147
       -
       		res, err := atproto.SyncListRepos(ctx, xrpcc, curs, 1000)

     

       148
       148
       -
       		if err != nil {

     

       149
       149
       -
       			return fmt.Errorf("error listing repos: %w", err)

     

       150
       150
       -
       		}

     

       151
       151
       -
       

     

       152
       152
       -
       		for _, repo := range res.Repos {

     

       153
       153
       -
       			_, err := jmstore.GetOrCreateJob(ctx, repo.Did, backfill.StateEnqueued)

     

       154
       154
       -
       			if err != nil {

     

       155
       155
       -
       				sl.Warn("failed to create backfill job", "err", err)

     

       156
       156
       -
       				continue

     

       157
       157
       -
       			}

     

       158
       158
       -
       		}

     

       159
       159
       -
       

     

       160
       160
       -
       		if res.Cursor != nil && *res.Cursor != "" {

     

       161
       161
       -
       			curs = *res.Cursor

     

       162
       162
       -
       		} else {

     

       163
       163
       -
       			break

     

       164
       164
       -
       		}

     

       165
       165
       -
       	}

     

       166
       166
       -
       

     

       167
       167
       -
       	return nil

     

       168
       168
       -
       }

+51

cmd/backfiller/cursors.go

···

       1
       1
       +
       package main

     

       2
       2
       +
       

     

       3
       3
       +
       import (

     

       4
       4
       +
       	"log/slog"

     

       5
       5
       +
       	"time"

     

       6
       6
       +
       )

     

       7
       7
       +
       

     

       8
       8
       +
       type cursorRecord struct {

     

       9
       9
       +
       	ID  uint `gorm:"primaryKey"`

     

       10
       10
       +
       	Key string

     

       11
       11
       +
       	Val any

     

       12
       12
       +
       }

     

       13
       13
       +
       

     

       14
       14
       +
       func (b *Backend) LoadCursor(key string) (any, error) {

     

       15
       15
       +
       	var rec cursorRecord

     

       16
       16
       +
       	if err := b.state.Find(&rec, "key = ?", key).Error; err != nil {

     

       17
       17
       +
       		return nil, err

     

       18
       18
       +
       	}

     

       19
       19
       +
       

     

       20
       20
       +
       	if rec.ID == 0 {

     

       21
       21
       +
       		if err := b.state.Create(&cursorRecord{Key: key}).Error; err != nil {

     

       22
       22
       +
       			return nil, err

     

       23
       23
       +
       		}

     

       24
       24
       +
       	}

     

       25
       25
       +
       

     

       26
       26
       +
       	return rec.Val, nil

     

       27
       27
       +
       }

     

       28
       28
       +
       

     

       29
       29
       +
       func (b *Backend) FlushCursors() error {

     

       30
       30
       +
       	b.firehoseLk.Lock()

     

       31
       31
       +
       	if err := b.state.Model(cursorRecord{}).Where("key = 'firehose'").Update("val", b.firehoseSeq).Error; err != nil {

     

       32
       32
       +
       		return err

     

       33
       33
       +
       	}

     

       34
       34
       +
       	b.firehoseLk.Unlock()

     

       35
       35
       +
       

     

       36
       36
       +
       	b.reposLk.Lock()

     

       37
       37
       +
       	if err := b.state.Model(cursorRecord{}).Where("key = 'repos'").Update("val", b.reposSeq).Error; err != nil {

     

       38
       38
       +
       		return err

     

       39
       39
       +
       	}

     

       40
       40
       +
       	b.reposLk.Unlock()

     

       41
       41
       +
       

     

       42
       42
       +
       	return nil

     

       43
       43
       +
       }

     

       44
       44
       +
       

     

       45
       45
       +
       func (b *Backend) SyncCursors() {

     

       46
       46
       +
       	for range time.Tick(time.Second * 5) {

     

       47
       47
       +
       		if err := b.FlushCursors(); err != nil {

     

       48
       48
       +
       			slog.Error("failed to flush cursors", "err", err)

     

       49
       49
       +
       		}

     

       50
       50
       +
       	}

     

       51
       51
       +
       }

+40

cmd/backfiller/handlers.go

···

       1
       1
       +
       package main

     

       2
       2
       +
       

     

       3
       3
       +
       import (

     

       4
       4
       +
       	"context"

     

       5
       5
       +
       	"errors"

     

       6
       6
       +
       	"fmt"

     

       7
       7
       +
       

     

       8
       8
       +
       	comatproto "github.com/bluesky-social/indigo/api/atproto"

     

       9
       9
       +
       	"github.com/bluesky-social/indigo/backfill"

     

       10
       10
       +
       	"github.com/ipfs/go-cid"

     

       11
       11
       +
       )

     

       12
       12
       +
       

     

       13
       13
       +
       func (b *Backend) RepoCommitHandler(ctx context.Context, evt *comatproto.SyncSubscribeRepos_Commit) error {

     

       14
       14
       +
       	b.firehoseLk.Lock()

     

       15
       15
       +
       	b.firehoseSeq = evt.Seq

     

       16
       16
       +
       	b.firehoseLk.Unlock()

     

       17
       17
       +
       

     

       18
       18
       +
       	job, err := b.bf.Store.GetJob(ctx, evt.Repo)

     

       19
       19
       +
       	if job == nil {

     

       20
       20
       +
       		if errors.Is(err, backfill.ErrJobNotFound) {

     

       21
       21
       +
       			return nil

     

       22
       22
       +
       		} else {

     

       23
       23
       +
       			return fmt.Errorf("error getting job: %w", err)

     

       24
       24
       +
       		}

     

       25
       25
       +
       	} else {

     

       26
       26
       +
       		return b.bf.HandleEvent(ctx, evt)

     

       27
       27
       +
       	}

     

       28
       28
       +
       }

     

       29
       29
       +
       

     

       30
       30
       +
       func handleCreate(ctx context.Context, repo, rev, path string, rec *[]byte, cid *cid.Cid) error {

     

       31
       31
       +
       	return nil

     

       32
       32
       +
       }

     

       33
       33
       +
       

     

       34
       34
       +
       func handleUpdate(ctx context.Context, repo, rev, path string, rec *[]byte, cid *cid.Cid) error {

     

       35
       35
       +
       	return nil

     

       36
       36
       +
       }

     

       37
       37
       +
       

     

       38
       38
       +
       func handleDelete(ctx context.Context, repo, rev, path string) error {

     

       39
       39
       +
       	return nil

     

       40
       40
       +
       }

+117

cmd/backfiller/main.go

···

       1
       1
       +
       package main

     

       2
       2
       +
       

     

       3
       3
       +
       import (

     

       4
       4
       +
       	"context"

     

       5
       5
       +
       	"fmt"

     

       6
       6
       +
       	"log"

     

       7
       7
       +
       	"log/slog"

     

       8
       8
       +
       	"net/http"

     

       9
       9
       +
       	"os"

     

       10
       10
       +
       	"os/signal"

     

       11
       11
       +
       	"syscall"

     

       12
       12
       +
       	"time"

     

       13
       13
       +
       

     

       14
       14
       +
       	"github.com/bluesky-social/indigo/api/atproto"

     

       15
       15
       +
       	"github.com/bluesky-social/indigo/backfill"

     

       16
       16
       +
       	"github.com/bluesky-social/indigo/events"

     

       17
       17
       +
       	"github.com/bluesky-social/indigo/events/schedulers/parallel"

     

       18
       18
       +
       

     

       19
       19
       +
       	"github.com/gorilla/websocket"

     

       20
       20
       +
       	"gorm.io/driver/sqlite"

     

       21
       21
       +
       	"gorm.io/gorm"

     

       22
       22
       +
       	"gorm.io/gorm/logger"

     

       23
       23
       +
       )

     

       24
       24
       +
       

     

       25
       25
       +
       func NewDatabase() *gorm.DB {

     

       26
       26
       +
       	sl := slog.With("source", "database")

     

       27
       27
       +
       

     

       28
       28
       +
       	newLogger := logger.New(

     

       29
       29
       +
       		log.New(os.Stdout, "\n", log.LstdFlags),

     

       30
       30
       +
       		logger.Config{

     

       31
       31
       +
       			SlowThreshold: 1 * time.Second,

     

       32
       32
       +
       			Colorful:      false,

     

       33
       33
       +
       		},

     

       34
       34
       +
       	)

     

       35
       35
       +
       	db, err := gorm.Open(sqlite.Open("state.db"), &gorm.Config{

     

       36
       36
       +
       		Logger: newLogger,

     

       37
       37
       +
       	})

     

       38
       38
       +
       	if err != nil {

     

       39
       39
       +
       		sl.Error("failed to connect to database", "err", err)

     

       40
       40
       +
       	}

     

       41
       41
       +
       	db.AutoMigrate(&backfill.GormDBJob{})

     

       42
       42
       +
       	db.AutoMigrate(&cursorRecord{})

     

       43
       43
       +
       	return db

     

       44
       44
       +
       }

     

       45
       45
       +
       

     

       46
       46
       +
       func NewBackfiller(db *gorm.DB) *backfill.Backfiller {

     

       47
       47
       +
       	opts := &backfill.BackfillOptions{

     

       48
       48
       +
       		ParallelBackfills:     50,

     

       49
       49
       +
       		ParallelRecordCreates: 25,

     

       50
       50
       +
       		SyncRequestsPerSecond: 25,

     

       51
       51
       +
       		RelayHost:             "https://bsky.network",

     

       52
       52
       +
       	}

     

       53
       53
       +
       	return backfill.NewBackfiller(

     

       54
       54
       +
       		"backfills",

     

       55
       55
       +
       		backfill.NewGormstore(db),

     

       56
       56
       +
       		handleCreate,

     

       57
       57
       +
       		handleUpdate,

     

       58
       58
       +
       		handleDelete,

     

       59
       59
       +
       		opts,

     

       60
       60
       +
       	)

     

       61
       61
       +
       }

     

       62
       62
       +
       

     

       63
       63
       +
       func NewFirehose(backend *Backend) *websocket.Conn {

     

       64
       64
       +
       	sl := slog.With("source", "firehose")

     

       65
       65
       +
       

     

       66
       66
       +
       	subscribeUrl := "wss://bsky.network/xrpc/com.atproto.sync.subscribeRepos"

     

       67
       67
       +
       

     

       68
       68
       +
       	cursor, err := backend.LoadCursor("firehose")

     

       69
       69
       +
       	if err != nil {

     

       70
       70
       +
       		sl.Error("failed loading firehose cursor", "err", err)

     

       71
       71
       +
       	}

     

       72
       72
       +
       	cc, ok := cursor.(int64)

     

       73
       73
       +
       	if ok {

     

       74
       74
       +
       		subscribeUrl += fmt.Sprintf("?cursor=%d", cc)

     

       75
       75
       +
       	}

     

       76
       76
       +
       

     

       77
       77
       +
       	conn, _, err := websocket.DefaultDialer.Dial(subscribeUrl, http.Header{

     

       78
       78
       +
       		"User-Agent": []string{"backfiller/0.1 (@edavis.dev)"},

     

       79
       79
       +
       	})

     

       80
       80
       +
       	if err != nil {

     

       81
       81
       +
       		sl.Error("failed to connect to relay", "err", err)

     

       82
       82
       +
       	}

     

       83
       83
       +
       	return conn

     

       84
       84
       +
       }

     

       85
       85
       +
       

     

       86
       86
       +
       func NewScheduler(ctx context.Context, backend *Backend) *parallel.Scheduler {

     

       87
       87
       +
       	rsc := events.RepoStreamCallbacks{

     

       88
       88
       +
       		RepoCommit: func(evt *atproto.SyncSubscribeRepos_Commit) error {

     

       89
       89
       +
       			return backend.RepoCommitHandler(ctx, evt)

     

       90
       90
       +
       		},

     

       91
       91
       +
       	}

     

       92
       92
       +
       	return parallel.NewScheduler(16, 100, "firehose", rsc.EventHandler)

     

       93
       93
       +
       }

     

       94
       94
       +
       

     

       95
       95
       +
       func main() {

     

       96
       96
       +
       	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGINT, syscall.SIGTERM)

     

       97
       97
       +
       	defer stop()

     

       98
       98
       +
       

     

       99
       99
       +
       	sl := slog.With("source", "backfiller")

     

       100
       100
       +
       

     

       101
       101
       +
       	db := NewDatabase()

     

       102
       102
       +
       

     

       103
       103
       +
       	bf := NewBackfiller(db)

     

       104
       104
       +
       	go bf.Start()

     

       105
       105
       +
       

     

       106
       106
       +
       	backend := NewBackend(db, bf)

     

       107
       107
       +
       	go backend.SyncCursors()

     

       108
       108
       +
       	go backend.PumpRepos(ctx)

     

       109
       109
       +
       

     

       110
       110
       +
       	conn := NewFirehose(backend)

     

       111
       111
       +
       	sched := NewScheduler(ctx, backend)

     

       112
       112
       +
       	if err := events.HandleRepoStream(ctx, conn, sched, sl); err != nil {

     

       113
       113
       +
       		sl.Error("failed to start scheduler", "err", err)

     

       114
       114
       +
       	}

     

       115
       115
       +
       	<-ctx.Done()

     

       116
       116
       +
       	bf.Stop(context.TODO())

     

       117
       117
       +
       }

+76

cmd/backfiller/pump.go

···

       1
       1
       +
       package main

     

       2
       2
       +
       

     

       3
       3
       +
       import (

     

       4
       4
       +
       	"context"

     

       5
       5
       +
       	"fmt"

     

       6
       6
       +
       	"log/slog"

     

       7
       7
       +
       

     

       8
       8
       +
       	"github.com/bluesky-social/indigo/api/atproto"

     

       9
       9
       +
       	"github.com/bluesky-social/indigo/backfill"

     

       10
       10
       +
       	"github.com/bluesky-social/indigo/xrpc"

     

       11
       11
       +
       )

     

       12
       12
       +
       

     

       13
       13
       +
       type jobMaker interface {

     

       14
       14
       +
       	GetOrCreateJob(context.Context, string, string) (backfill.Job, error)

     

       15
       15
       +
       }

     

       16
       16
       +
       

     

       17
       17
       +
       func (b *Backend) PumpRepos(ctx context.Context) error {

     

       18
       18
       +
       	sl := slog.With("source", "pumpRepos")

     

       19
       19
       +
       

     

       20
       20
       +
       	if err := pumpRepos(ctx, b); err != nil {

     

       21
       21
       +
       		sl.Error("failed pumping repos", "err", err)

     

       22
       22
       +
       	}

     

       23
       23
       +
       

     

       24
       24
       +
       	return nil

     

       25
       25
       +
       }

     

       26
       26
       +
       

     

       27
       27
       +
       func pumpRepos(ctx context.Context, backend *Backend) error {

     

       28
       28
       +
       	sl := slog.With("source", "pumpRepos")

     

       29
       29
       +
       	bf := backend.bf

     

       30
       30
       +
       

     

       31
       31
       +
       	xrpcc := &xrpc.Client{

     

       32
       32
       +
       		Host: "https://bsky.network",

     

       33
       33
       +
       	}

     

       34
       34
       +
       

     

       35
       35
       +
       	jmstore, ok := bf.Store.(jobMaker)

     

       36
       36
       +
       	if !ok {

     

       37
       37
       +
       		return fmt.Errorf("configured job store doesn't support random job creation")

     

       38
       38
       +
       	}

     

       39
       39
       +
       

     

       40
       40
       +
       	cursor, err := backend.LoadCursor("repos")

     

       41
       41
       +
       	if err != nil {

     

       42
       42
       +
       		sl.Error("failed to load repos cursor", "err", err)

     

       43
       43
       +
       	}

     

       44
       44
       +
       	curs, _ := cursor.(string)

     

       45
       45
       +
       

     

       46
       46
       +
       	for {

     

       47
       47
       +
       		select {

     

       48
       48
       +
       		case <-ctx.Done():

     

       49
       49
       +
       			sl.Info("stopping repo pump")

     

       50
       50
       +
       			return nil

     

       51
       51
       +
       		default:

     

       52
       52
       +
       		}

     

       53
       53
       +
       

     

       54
       54
       +
       		sl.Info("listing repos", "cursor", curs)

     

       55
       55
       +
       		res, err := atproto.SyncListRepos(ctx, xrpcc, curs, 1000)

     

       56
       56
       +
       		if err != nil {

     

       57
       57
       +
       			return fmt.Errorf("error listing repos: %w", err)

     

       58
       58
       +
       		}

     

       59
       59
       +
       

     

       60
       60
       +
       		for _, repo := range res.Repos {

     

       61
       61
       +
       			_, err := jmstore.GetOrCreateJob(ctx, repo.Did, backfill.StateEnqueued)

     

       62
       62
       +
       			if err != nil {

     

       63
       63
       +
       				sl.Warn("failed to create backfill job", "err", err)

     

       64
       64
       +
       				continue

     

       65
       65
       +
       			}

     

       66
       66
       +
       		}

     

       67
       67
       +
       

     

       68
       68
       +
       		if res.Cursor != nil && *res.Cursor != "" {

     

       69
       69
       +
       			cursor = *res.Cursor

     

       70
       70
       +
       		} else {

     

       71
       71
       +
       			break

     

       72
       72
       +
       		}

     

       73
       73
       +
       	}

     

       74
       74
       +
       

     

       75
       75
       +
       	return nil

     

       76
       76
       +
       }