dendrite/syncapi/streams/streams.go
Neil Alexander 6348486a13
Transactional isolation for /sync (#2745)
This should transactional snapshot isolation for `/sync` etc requests.

For now we don't use repeatable read due to some odd test failures with
invites.
2022-09-30 12:48:10 +01:00

102 lines
3.8 KiB
Go

package streams
import (
"context"
"github.com/matrix-org/dendrite/internal/caching"
keyapi "github.com/matrix-org/dendrite/keyserver/api"
rsapi "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/syncapi/notifier"
"github.com/matrix-org/dendrite/syncapi/storage"
"github.com/matrix-org/dendrite/syncapi/types"
userapi "github.com/matrix-org/dendrite/userapi/api"
)
type Streams struct {
PDUStreamProvider StreamProvider
TypingStreamProvider StreamProvider
ReceiptStreamProvider StreamProvider
InviteStreamProvider StreamProvider
SendToDeviceStreamProvider StreamProvider
AccountDataStreamProvider StreamProvider
DeviceListStreamProvider StreamProvider
NotificationDataStreamProvider StreamProvider
PresenceStreamProvider StreamProvider
}
func NewSyncStreamProviders(
d storage.Database, userAPI userapi.SyncUserAPI,
rsAPI rsapi.SyncRoomserverAPI, keyAPI keyapi.SyncKeyAPI,
eduCache *caching.EDUCache, lazyLoadCache caching.LazyLoadCache, notifier *notifier.Notifier,
) *Streams {
streams := &Streams{
PDUStreamProvider: &PDUStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
lazyLoadCache: lazyLoadCache,
rsAPI: rsAPI,
notifier: notifier,
},
TypingStreamProvider: &TypingStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
EDUCache: eduCache,
},
ReceiptStreamProvider: &ReceiptStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
},
InviteStreamProvider: &InviteStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
},
SendToDeviceStreamProvider: &SendToDeviceStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
},
AccountDataStreamProvider: &AccountDataStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
userAPI: userAPI,
},
NotificationDataStreamProvider: &NotificationDataStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
},
DeviceListStreamProvider: &DeviceListStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
rsAPI: rsAPI,
keyAPI: keyAPI,
},
PresenceStreamProvider: &PresenceStreamProvider{
DefaultStreamProvider: DefaultStreamProvider{DB: d},
notifier: notifier,
},
}
ctx := context.TODO()
snapshot, err := d.NewDatabaseSnapshot(ctx)
if err != nil {
panic(err)
}
defer snapshot.Rollback() // nolint:errcheck
streams.PDUStreamProvider.Setup(ctx, snapshot)
streams.TypingStreamProvider.Setup(ctx, snapshot)
streams.ReceiptStreamProvider.Setup(ctx, snapshot)
streams.InviteStreamProvider.Setup(ctx, snapshot)
streams.SendToDeviceStreamProvider.Setup(ctx, snapshot)
streams.AccountDataStreamProvider.Setup(ctx, snapshot)
streams.NotificationDataStreamProvider.Setup(ctx, snapshot)
streams.DeviceListStreamProvider.Setup(ctx, snapshot)
streams.PresenceStreamProvider.Setup(ctx, snapshot)
return streams
}
func (s *Streams) Latest(ctx context.Context) types.StreamingToken {
return types.StreamingToken{
PDUPosition: s.PDUStreamProvider.LatestPosition(ctx),
TypingPosition: s.TypingStreamProvider.LatestPosition(ctx),
ReceiptPosition: s.ReceiptStreamProvider.LatestPosition(ctx),
InvitePosition: s.InviteStreamProvider.LatestPosition(ctx),
SendToDevicePosition: s.SendToDeviceStreamProvider.LatestPosition(ctx),
AccountDataPosition: s.AccountDataStreamProvider.LatestPosition(ctx),
NotificationDataPosition: s.NotificationDataStreamProvider.LatestPosition(ctx),
DeviceListPosition: s.DeviceListStreamProvider.LatestPosition(ctx),
PresencePosition: s.PresenceStreamProvider.LatestPosition(ctx),
}
}