commit e487d3f7c080088eefb76489b9a15e86e8e7da77 · julien.rbrt.fr/tangled-core

+9 -2

knotserver/db/oplog.go

···

       2
        
       

     

       3
        
       import (

     

       4
        
       	"fmt"

     

       0
        
       
     

       0
        
       
     

       5
        
       )

     

       6
        
       

     

       7
        
       type Op struct {

     
···

       13
        
       	Ref    string // the reference being updated

     

       14
        
       }

     

       15
        
       

     

       16
       -
       func (d *DB) InsertOp(op Op) error {

     

       17
        
       	_, err := d.db.Exec(

     

       18
        
       		`insert into oplog (tid, did, repo, old_sha, new_sha, ref) values (?, ?, ?, ?, ?, ?)`,

     

       19
        
       		op.Tid,

     
···

       23
        
       		op.NewSha,

     

       24
        
       		op.Ref,

     

       25
        
       	)

     

       26
       -
       	return err

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       27
        
       }

     

       28
        
       

     

       29
        
       func (d *DB) GetOps(cursor string) ([]Op, error) {

···

       2
        
       

     

       3
        
       import (

     

       4
        
       	"fmt"

     

       5
       +
       

     

       6
       +
       	"tangled.sh/tangled.sh/core/knotserver/notifier"

     

       7
        
       )

     

       8
        
       

     

       9
        
       type Op struct {

     
···

       15
        
       	Ref    string // the reference being updated

     

       16
        
       }

     

       17
        
       

     

       18
       +
       func (d *DB) InsertOp(op Op, notifier *notifier.Notifier) error {

     

       19
        
       	_, err := d.db.Exec(

     

       20
        
       		`insert into oplog (tid, did, repo, old_sha, new_sha, ref) values (?, ?, ?, ?, ?, ?)`,

     

       21
        
       		op.Tid,

     
···

       25
        
       		op.NewSha,

     

       26
        
       		op.Ref,

     

       27
        
       	)

     

       28
       +
       	if err != nil {

     

       29
       +
       		return err

     

       30
       +
       	}

     

       31
       +
       

     

       32
       +
       	notifier.NotifyAll()

     

       33
       +
       	return nil

     

       34
        
       }

     

       35
        
       

     

       36
        
       func (d *DB) GetOps(cursor string) ([]Op, error) {

+4 -1

knotserver/handler.go

···

       11
        
       	"tangled.sh/tangled.sh/core/jetstream"

     

       12
        
       	"tangled.sh/tangled.sh/core/knotserver/config"

     

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

     

       0
        
       
     

       14
        
       	"tangled.sh/tangled.sh/core/rbac"

     

       15
        
       )

     

       16
        
       

     
···

       24
        
       	jc *jetstream.JetstreamClient

     

       25
        
       	e  *rbac.Enforcer

     

       26
        
       	l  *slog.Logger

     

       0
        
       
     

       27
        
       

     

       28
        
       	// init is a channel that is closed when the knot has been initailized

     

       29
        
       	// i.e. when the first user (knot owner) has been added.

     
···

       31
        
       	knotInitialized bool

     

       32
        
       }

     

       33
        
       

     

       34
       -
       func Setup(ctx context.Context, c *config.Config, db *db.DB, e *rbac.Enforcer, jc *jetstream.JetstreamClient, l *slog.Logger) (http.Handler, error) {

     

       35
        
       	r := chi.NewRouter()

     

       36
        
       

     

       37
        
       	h := Handle{

     
···

       40
        
       		e:    e,

     

       41
        
       		l:    l,

     

       42
        
       		jc:   jc,

     

       0
        
       
     

       43
        
       		init: make(chan struct{}),

     

       44
        
       	}

     

       45

···

       11
        
       	"tangled.sh/tangled.sh/core/jetstream"

     

       12
        
       	"tangled.sh/tangled.sh/core/knotserver/config"

     

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

     

       14
       +
       	"tangled.sh/tangled.sh/core/knotserver/notifier"

     

       15
        
       	"tangled.sh/tangled.sh/core/rbac"

     

       16
        
       )

     

       17
        
       

     
···

       25
        
       	jc *jetstream.JetstreamClient

     

       26
        
       	e  *rbac.Enforcer

     

       27
        
       	l  *slog.Logger

     

       28
       +
       	n  *notifier.Notifier

     

       29
        
       

     

       30
        
       	// init is a channel that is closed when the knot has been initailized

     

       31
        
       	// i.e. when the first user (knot owner) has been added.

     
···

       33
        
       	knotInitialized bool

     

       34
        
       }

     

       35
        
       

     

       36
       +
       func Setup(ctx context.Context, c *config.Config, db *db.DB, e *rbac.Enforcer, jc *jetstream.JetstreamClient, l *slog.Logger, n *notifier.Notifier) (http.Handler, error) {

     

       37
        
       	r := chi.NewRouter()

     

       38
        
       

     

       39
        
       	h := Handle{

     
···

       42
        
       		e:    e,

     

       43
        
       		l:    l,

     

       44
        
       		jc:   jc,

     

       45
       +
       		n:    n,

     

       46
        
       		init: make(chan struct{}),

     

       47
        
       	}

     

       48

+5 -2

knotserver/internal.go

···

       12
        
       	"github.com/go-chi/chi/v5/middleware"

     

       13
        
       	"tangled.sh/tangled.sh/core/knotserver/config"

     

       14
        
       	"tangled.sh/tangled.sh/core/knotserver/db"

     

       0
        
       
     

       15
        
       	"tangled.sh/tangled.sh/core/rbac"

     

       16
        
       )

     

       17
        
       

     
···

       20
        
       	c  *config.Config

     

       21
        
       	e  *rbac.Enforcer

     

       22
        
       	l  *slog.Logger

     

       0
        
       
     

       23
        
       }

     

       24
        
       

     

       25
        
       func (h *InternalHandle) PushAllowed(w http.ResponseWriter, r *http.Request) {

     
···

       99
        
       	}

     

       100
        
       

     

       101
        
       	for _, op := range ops {

     

       102
       -
       		err := h.db.InsertOp(op)

     

       103
        
       		if err != nil {

     

       104
        
       			l.Error("failed to insert op", "err", err, "op", op)

     

       105
        
       			continue

     
···

       109
        
       	return

     

       110
        
       }

     

       111
        
       

     

       112
       -
       func Internal(ctx context.Context, c *config.Config, db *db.DB, e *rbac.Enforcer, l *slog.Logger) http.Handler {

     

       113
        
       	r := chi.NewRouter()

     

       114
        
       

     

       115
        
       	h := InternalHandle{

     
···

       117
        
       		c,

     

       118
        
       		e,

     

       119
        
       		l,

     

       0
        
       
     

       120
        
       	}

     

       121
        
       

     

       122
        
       	r.Get("/push-allowed", h.PushAllowed)

···

       12
        
       	"github.com/go-chi/chi/v5/middleware"

     

       13
        
       	"tangled.sh/tangled.sh/core/knotserver/config"

     

       14
        
       	"tangled.sh/tangled.sh/core/knotserver/db"

     

       15
       +
       	"tangled.sh/tangled.sh/core/knotserver/notifier"

     

       16
        
       	"tangled.sh/tangled.sh/core/rbac"

     

       17
        
       )

     

       18
        
       

     
···

       21
        
       	c  *config.Config

     

       22
        
       	e  *rbac.Enforcer

     

       23
        
       	l  *slog.Logger

     

       24
       +
       	n  *notifier.Notifier

     

       25
        
       }

     

       26
        
       

     

       27
        
       func (h *InternalHandle) PushAllowed(w http.ResponseWriter, r *http.Request) {

     
···

       101
        
       	}

     

       102
        
       

     

       103
        
       	for _, op := range ops {

     

       104
       +
       		err := h.db.InsertOp(op, h.n)

     

       105
        
       		if err != nil {

     

       106
        
       			l.Error("failed to insert op", "err", err, "op", op)

     

       107
        
       			continue

     
···

       111
        
       	return

     

       112
        
       }

     

       113
        
       

     

       114
       +
       func Internal(ctx context.Context, c *config.Config, db *db.DB, e *rbac.Enforcer, l *slog.Logger, n *notifier.Notifier) http.Handler {

     

       115
        
       	r := chi.NewRouter()

     

       116
        
       

     

       117
        
       	h := InternalHandle{

     
···

       119
        
       		c,

     

       120
        
       		e,

     

       121
        
       		l,

     

       122
       +
       		n,

     

       123
        
       	}

     

       124
        
       

     

       125
        
       	r.Get("/push-allowed", h.PushAllowed)

+43

knotserver/notifier/notifier.go

···

       1
       +
       package notifier

     

       2
       +
       

     

       3
       +
       import (

     

       4
       +
       	"sync"

     

       5
       +
       )

     

       6
       +
       

     

       7
       +
       type Notifier struct {

     

       8
       +
       	subscribers map[chan struct{}]struct{}

     

       9
       +
       	mu          sync.Mutex

     

       10
       +
       }

     

       11
       +
       

     

       12
       +
       func New() Notifier {

     

       13
       +
       	return Notifier{

     

       14
       +
       		subscribers: make(map[chan struct{}]struct{}),

     

       15
       +
       	}

     

       16
       +
       }

     

       17
       +
       

     

       18
       +
       func (n *Notifier) Subscribe() chan struct{} {

     

       19
       +
       	ch := make(chan struct{}, 1)

     

       20
       +
       	n.mu.Lock()

     

       21
       +
       	n.subscribers[ch] = struct{}{}

     

       22
       +
       	n.mu.Unlock()

     

       23
       +
       	return ch

     

       24
       +
       }

     

       25
       +
       

     

       26
       +
       func (n *Notifier) Unsubscribe(ch chan struct{}) {

     

       27
       +
       	n.mu.Lock()

     

       28
       +
       	delete(n.subscribers, ch)

     

       29
       +
       	close(ch)

     

       30
       +
       	n.mu.Unlock()

     

       31
       +
       }

     

       32
       +
       

     

       33
       +
       func (n *Notifier) NotifyAll() {

     

       34
       +
       	n.mu.Lock()

     

       35
       +
       	for ch := range n.subscribers {

     

       36
       +
       		select {

     

       37
       +
       		case ch <- struct{}{}:

     

       38
       +
       		default:

     

       39
       +
       			// avoid blocking if channel is full

     

       40
       +
       		}

     

       41
       +
       	}

     

       42
       +
       	n.mu.Unlock()

     

       43
       +
       }

+6 -2

knotserver/server.go

···

       11
        
       	"tangled.sh/tangled.sh/core/jetstream"

     

       12
        
       	"tangled.sh/tangled.sh/core/knotserver/config"

     

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

     

       0
        
       
     

       14
        
       	"tangled.sh/tangled.sh/core/log"

     

       15
        
       	"tangled.sh/tangled.sh/core/rbac"

     

       16
        
       )

     
···

       79
        
       		logger.Error("failed to setup jetstream", "error", err)

     

       80
        
       	}

     

       81
        
       

     

       82
       -
       	mux, err := Setup(ctx, c, db, e, jc, logger)

     

       0
        
       
     

       0
        
       
     

       83
        
       	if err != nil {

     

       84
        
       		return fmt.Errorf("failed to setup server: %w", err)

     

       85
        
       	}

     

       86
       -
       	imux := Internal(ctx, c, db, e, iLogger)

     

       0
        
       
     

       87
        
       

     

       88
        
       	logger.Info("starting internal server", "address", c.Server.InternalListenAddr)

     

       89
        
       	go http.ListenAndServe(c.Server.InternalListenAddr, imux)

···

       11
        
       	"tangled.sh/tangled.sh/core/jetstream"

     

       12
        
       	"tangled.sh/tangled.sh/core/knotserver/config"

     

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

     

       14
       +
       	"tangled.sh/tangled.sh/core/knotserver/notifier"

     

       15
        
       	"tangled.sh/tangled.sh/core/log"

     

       16
        
       	"tangled.sh/tangled.sh/core/rbac"

     

       17
        
       )

     
···

       80
        
       		logger.Error("failed to setup jetstream", "error", err)

     

       81
        
       	}

     

       82
        
       

     

       83
       +
       	notifier := notifier.New()

     

       84
       +
       

     

       85
       +
       	mux, err := Setup(ctx, c, db, e, jc, logger, &notifier)

     

       86
        
       	if err != nil {

     

       87
        
       		return fmt.Errorf("failed to setup server: %w", err)

     

       88
        
       	}

     

       89
       +
       

     

       90
       +
       	imux := Internal(ctx, c, db, e, iLogger, &notifier)

     

       91
        
       

     

       92
        
       	logger.Info("starting internal server", "address", c.Server.InternalListenAddr)

     

       93
        
       	go http.ListenAndServe(c.Server.InternalListenAddr, imux)