commit 768bae0a19e2a1cfd1a61f8c0c2f4086d464c45c · veryroundbird.house/core

+150

cmd/jstest/main.go

···

       1
       +
       package main

     

       2
       +
       

     

       3
       +
       import (

     

       4
       +
       	"context"

     

       5
       +
       	"flag"

     

       6
       +
       	"log/slog"

     

       7
       +
       	"os"

     

       8
       +
       	"os/signal"

     

       9
       +
       	"strings"

     

       10
       +
       	"syscall"

     

       11
       +
       	"time"

     

       12
       +
       

     

       13
       +
       	"github.com/bluesky-social/jetstream/pkg/client"

     

       14
       +
       	"github.com/bluesky-social/jetstream/pkg/models"

     

       15
       +
       	"github.com/sotangled/tangled/jetstream"

     

       16
       +
       )

     

       17
       +
       

     

       18
       +
       // Simple in-memory implementation of DB interface

     

       19
       +
       type MemoryDB struct {

     

       20
       +
       	lastTimeUs int64

     

       21
       +
       }

     

       22
       +
       

     

       23
       +
       func (m *MemoryDB) GetLastTimeUs() (int64, error) {

     

       24
       +
       	if m.lastTimeUs == 0 {

     

       25
       +
       		return time.Now().UnixMicro(), nil

     

       26
       +
       	}

     

       27
       +
       	return m.lastTimeUs, nil

     

       28
       +
       }

     

       29
       +
       

     

       30
       +
       func (m *MemoryDB) SaveLastTimeUs(ts int64) error {

     

       31
       +
       	m.lastTimeUs = ts

     

       32
       +
       	return nil

     

       33
       +
       }

     

       34
       +
       

     

       35
       +
       func (m *MemoryDB) UpdateLastTimeUs(ts int64) error {

     

       36
       +
       	m.lastTimeUs = ts

     

       37
       +
       	return nil

     

       38
       +
       }

     

       39
       +
       

     

       40
       +
       func main() {

     

       41
       +
       	// Setup logger

     

       42
       +
       	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{

     

       43
       +
       		Level: slog.LevelInfo,

     

       44
       +
       	}))

     

       45
       +
       

     

       46
       +
       	// Create in-memory DB

     

       47
       +
       	db := &MemoryDB{}

     

       48
       +
       

     

       49
       +
       	// Get query URL from flag

     

       50
       +
       	var queryURL string

     

       51
       +
       	flag.StringVar(&queryURL, "query-url", "", "Jetstream query URL containing DIDs")

     

       52
       +
       	flag.Parse()

     

       53
       +
       

     

       54
       +
       	if queryURL == "" {

     

       55
       +
       		logger.Error("No query URL provided, use --query-url flag")

     

       56
       +
       		os.Exit(1)

     

       57
       +
       	}

     

       58
       +
       

     

       59
       +
       	// Extract wantedDids parameters

     

       60
       +
       	didParams := strings.Split(queryURL, "&wantedDids=")

     

       61
       +
       	dids := make([]string, 0, len(didParams)-1)

     

       62
       +
       	for i, param := range didParams {

     

       63
       +
       		if i == 0 {

     

       64
       +
       			// Skip the first part (the base URL with cursor)

     

       65
       +
       			continue

     

       66
       +
       		}

     

       67
       +
       		dids = append(dids, param)

     

       68
       +
       	}

     

       69
       +
       

     

       70
       +
       	// Extract collections

     

       71
       +
       	collections := []string{"sh.tangled.publicKey", "sh.tangled.knot.member"}

     

       72
       +
       

     

       73
       +
       	// Create client configuration

     

       74
       +
       	cfg := client.DefaultClientConfig()

     

       75
       +
       	cfg.WebsocketURL = "wss://jetstream2.us-west.bsky.network/subscribe"

     

       76
       +
       	cfg.WantedCollections = collections

     

       77
       +
       

     

       78
       +
       	// Create jetstream client

     

       79
       +
       	jsClient, err := jetstream.NewJetstreamClient(

     

       80
       +
       		cfg.WebsocketURL,

     

       81
       +
       		"tangled-jetstream",

     

       82
       +
       		collections,

     

       83
       +
       		cfg,

     

       84
       +
       		logger,

     

       85
       +
       		db,

     

       86
       +
       		false,

     

       87
       +
       	)

     

       88
       +
       	if err != nil {

     

       89
       +
       		logger.Error("Failed to create jetstream client", "error", err)

     

       90
       +
       		os.Exit(1)

     

       91
       +
       	}

     

       92
       +
       

     

       93
       +
       	// Update DIDs

     

       94
       +
       	jsClient.UpdateDids(dids)

     

       95
       +
       

     

       96
       +
       	// Create a context that will be canceled on SIGINT or SIGTERM

     

       97
       +
       	ctx, cancel := context.WithCancel(context.Background())

     

       98
       +
       	defer cancel()

     

       99
       +
       

     

       100
       +
       	// Setup signal handling with a buffered channel

     

       101
       +
       	sigCh := make(chan os.Signal, 1)

     

       102
       +
       	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)

     

       103
       +
       

     

       104
       +
       	// Process function for events

     

       105
       +
       	processFunc := func(ctx context.Context, event *models.Event) error {

     

       106
       +
       		// Log the event details

     

       107
       +
       		logger.Info("Received event",

     

       108
       +
       			"collection", event.Commit.Collection,

     

       109
       +
       			"did", event.Did,

     

       110
       +
       			"rkey", event.Commit.RKey,

     

       111
       +
       			"action", event.Kind,

     

       112
       +
       			"time_us", event.TimeUS,

     

       113
       +
       		)

     

       114
       +
       

     

       115
       +
       		// Save the last time_us

     

       116
       +
       		if err := db.UpdateLastTimeUs(event.TimeUS); err != nil {

     

       117
       +
       			logger.Error("Failed to update last time_us", "error", err)

     

       118
       +
       		}

     

       119
       +
       

     

       120
       +
       		return nil

     

       121
       +
       	}

     

       122
       +
       

     

       123
       +
       	// Start jetstream

     

       124
       +
       	if err := jsClient.StartJetstream(ctx, processFunc); err != nil {

     

       125
       +
       		logger.Error("Failed to start jetstream", "error", err)

     

       126
       +
       		os.Exit(1)

     

       127
       +
       	}

     

       128
       +
       

     

       129
       +
       	// Wait for signal instead of context.Done()

     

       130
       +
       	sig := <-sigCh

     

       131
       +
       	logger.Info("Received signal, shutting down", "signal", sig)

     

       132
       +
       	cancel() // Cancel context after receiving signal

     

       133
       +
       

     

       134
       +
       	// Shutdown gracefully with a timeout

     

       135
       +
       	shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 5*time.Second)

     

       136
       +
       	defer shutdownCancel()

     

       137
       +
       

     

       138
       +
       	done := make(chan struct{})

     

       139
       +
       	go func() {

     

       140
       +
       		jsClient.Shutdown()

     

       141
       +
       		close(done)

     

       142
       +
       	}()

     

       143
       +
       

     

       144
       +
       	select {

     

       145
       +
       	case <-done:

     

       146
       +
       		logger.Info("Jetstream client shut down gracefully")

     

       147
       +
       	case <-shutdownCtx.Done():

     

       148
       +
       		logger.Warn("Shutdown timed out, forcing exit")

     

       149
       +
       	}

     

       150
       +
       }