commit 60444e905e964fb5c81b3689cb74efa055b9a605 · julien.rbrt.fr/tangled-core

+2 -1

appview/state/knotstream.go

···

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       	"tangled.sh/tangled.sh/core/appview/config"

     

       13
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       	"tangled.sh/tangled.sh/core/appview/db"

     

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       	kc "tangled.sh/tangled.sh/core/knotclient"

     

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       +
       	"tangled.sh/tangled.sh/core/knotclient/cursor"

     

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       	"tangled.sh/tangled.sh/core/log"

     

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       	"tangled.sh/tangled.sh/core/rbac"

     

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···

       32
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       33
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       	logger := log.New("knotstream")

     

       34
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       	cache := cache.New(c.Redis.Addr)

     

       35
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       -
       	cursorStore := kc.NewRedisCursorStore(cache)

     

       36
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       +
       	cursorStore := cursor.NewRedisCursorStore(cache)

     

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       	cfg := kc.ConsumerConfig{

     

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       		Sources:           srcs,

+23

knotclient/cursor/memory.go

···

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       package cursor

     

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       +
       

     

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       import (

     

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       	"sync"

     

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       +
       )

     

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       +
       

     

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       type MemoryStore struct {

     

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       	store sync.Map

     

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       }

     

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       +
       

     

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       func (m *MemoryStore) Set(knot string, cursor int64) {

     

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       	m.store.Store(knot, cursor)

     

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       }

     

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       func (m *MemoryStore) Get(knot string) (cursor int64) {

     

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       	if result, ok := m.store.Load(knot); ok {

     

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       +
       		if val, ok := result.(int64); ok {

     

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       			return val

     

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       		}

     

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       	}

     

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       +
       

     

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       	return 0

     

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       +
       }

+43

knotclient/cursor/redis.go

···

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       package cursor

     

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       +
       

     

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       import (

     

       4
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       	"context"

     

       5
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       +
       	"fmt"

     

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       	"strconv"

     

       7
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       +
       

     

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       	"tangled.sh/tangled.sh/core/appview/cache"

     

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       )

     

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       const (

     

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       	cursorKey = "cursor:%s"

     

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       +
       )

     

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       +
       

     

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       type RedisStore struct {

     

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       	rdb *cache.Cache

     

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       }

     

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       +
       

     

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       func NewRedisCursorStore(cache *cache.Cache) RedisStore {

     

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       	return RedisStore{

     

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       		rdb: cache,

     

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       	}

     

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       }

     

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       +
       

     

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       func (r *RedisStore) Set(knot string, cursor int64) {

     

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       	key := fmt.Sprintf(cursorKey, knot)

     

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       	r.rdb.Set(context.Background(), key, cursor, 0)

     

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       +
       }

     

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       +
       

     

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       func (r *RedisStore) Get(knot string) (cursor int64) {

     

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       	key := fmt.Sprintf(cursorKey, knot)

     

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       +
       	val, err := r.rdb.Get(context.Background(), key).Result()

     

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       +
       	if err != nil {

     

       34
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       		return 0

     

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       +
       	}

     

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       +
       	cursor, err = strconv.ParseInt(val, 10, 64)

     

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       +
       	if err != nil {

     

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       		// TODO: log here

     

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       		return 0

     

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       +
       	}

     

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       +
       

     

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       	return cursor

     

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       +
       }

knotclient/cursor/store.go

···

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       package cursor

     

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       type Store interface {

     

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       	Set(knot string, cursor int64)

     

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       	Get(knot string) (cursor int64)

     

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       }

+3 -61

knotclient/events.go

···

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       	"log/slog"

     

       8
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       	"math/rand"

     

       9
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       	"net/url"

     

       10
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       -
       	"strconv"

     

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       	"sync"

     

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       	"time"

     

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       -
       	"tangled.sh/tangled.sh/core/appview/cache"

     

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       	"tangled.sh/tangled.sh/core/knotclient/cursor"

     

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       	"tangled.sh/tangled.sh/core/log"

     

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       	"github.com/gorilla/websocket"

     
···

       36
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       	QueueSize         int

     

       37
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       	Logger            *slog.Logger

     

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       	Dev               bool

     

       39
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       -
       	CursorStore       CursorStore

     

       38
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       +
       	CursorStore       cursor.Store

     

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       }

     

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       func NewConsumerConfig() *ConsumerConfig {

     
···

       72
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       	cfg   ConsumerConfig

     

       73
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       }

     

       74
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       -
       type CursorStore interface {

     

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       -
       	Set(knot string, cursor int64)

     

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       -
       	Get(knot string) (cursor int64)

     

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       -
       }

     

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       -
       

     

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       -
       type RedisCursorStore struct {

     

       81
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       -
       	rdb *cache.Cache

     

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       }

     

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       -
       

     

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       -
       func NewRedisCursorStore(cache *cache.Cache) RedisCursorStore {

     

       85
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       -
       	return RedisCursorStore{

     

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       		rdb: cache,

     

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       -
       	}

     

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       }

     

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       -
       

     

       90
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       const (

     

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       	cursorKey = "cursor:%s"

     

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       -
       )

     

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       -
       

     

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       func (r *RedisCursorStore) Set(knot string, cursor int64) {

     

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       	key := fmt.Sprintf(cursorKey, knot)

     

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       -
       	r.rdb.Set(context.Background(), key, cursor, 0)

     

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       }

     

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       -
       

     

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       -
       func (r *RedisCursorStore) Get(knot string) (cursor int64) {

     

       100
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       -
       	key := fmt.Sprintf(cursorKey, knot)

     

       101
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       -
       	val, err := r.rdb.Get(context.Background(), key).Result()

     

       102
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       -
       	if err != nil {

     

       103
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       		return 0

     

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       -
       	}

     

       105
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       -
       

     

       106
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       -
       	cursor, err = strconv.ParseInt(val, 10, 64)

     

       107
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       -
       	if err != nil {

     

       108
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       		return 0 // optionally log parsing error

     

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       -
       	}

     

       110
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       -
       

     

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       	return cursor

     

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       -
       }

     

       113
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       -
       

     

       114
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       -
       type MemoryCursorStore struct {

     

       115
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       	store sync.Map

     

       116
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       -
       }

     

       117
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       -
       

     

       118
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       -
       func (m *MemoryCursorStore) Set(knot string, cursor int64) {

     

       119
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       	m.store.Store(knot, cursor)

     

       120
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       -
       }

     

       121
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       -
       

     

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       func (m *MemoryCursorStore) Get(knot string) (cursor int64) {

     

       123
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       -
       	if result, ok := m.store.Load(knot); ok {

     

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       		if val, ok := result.(int64); ok {

     

       125
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       -
       			return val

     

       126
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       -
       		}

     

       127
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       -
       	}

     

       128
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       -
       

     

       129
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       	return 0

     

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       -
       }

     

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       132
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       func (e *EventConsumer) buildUrl(s EventSource, cursor int64) (*url.URL, error) {

     

       133
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       	scheme := "wss"

     

       134
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       	if e.cfg.Dev {

     
···

       173
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       		cfg.QueueSize = 100

     

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       	}

     

       175
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       	if cfg.CursorStore == nil {

     

       176
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       -
       		cfg.CursorStore = &MemoryCursorStore{}

     

       118
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       +
       		cfg.CursorStore = &cursor.MemoryStore{}

     

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       	}

     

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       	return &EventConsumer{

     

       179
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       		cfg:        cfg,

+1 -1

nix/vm.nix

···

       21
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               g = config.services.tangled-knot.gitUser;

     

       22
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             in [

     

       23
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               "d /var/lib/knot 0770 ${u} ${g} - -" # Create the directory first

     

       24
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       -
               "f+ /var/lib/knot/secret 0660 ${u} ${g} - KNOT_SERVER_SECRET=16154910ef55fe48121082c0b51fc0e360a8b15eb7bda7991d88dc9f7684427a"

     

       24
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       +
               "f+ /var/lib/knot/secret 0660 ${u} ${g} - KNOT_SERVER_SECRET=2650ecafdce279b09865fb1923051156eb773ee7485061b2e766086f07dbd85a"

     

       25
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             ];

     

       26
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             services.tangled-knot = {

     

       27
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               enable = true;