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Transactional isolation for /sync (#2745)

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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.
This commit is contained in:
Neil Alexander 2022-09-30 12:48:10 +01:00 • committed by GitHub
parent 8a82f10046
commit 6348486a13
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37 changed files with 1759 additions and 1527 deletions
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17
syncapi/streams/stream_accountdata.go
View file

@ -5,22 +5,25 @@ import (
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/dendrite/syncapi/storage"
"github.com/matrix-org/dendrite/syncapi/types"
userapi "github.com/matrix-org/dendrite/userapi/api"
)
type AccountDataStreamProvider struct {
StreamProvider
DefaultStreamProvider
userAPI userapi.SyncUserAPI
}
func (p *AccountDataStreamProvider) Setup() {
p.StreamProvider.Setup()
func (p *AccountDataStreamProvider) Setup(
ctx context.Context, snapshot storage.DatabaseTransaction,
) {
p.DefaultStreamProvider.Setup(ctx, snapshot)
p.latestMutex.Lock()
defer p.latestMutex.Unlock()
id, err := p.DB.MaxStreamPositionForAccountData(context.Background())
id, err := snapshot.MaxStreamPositionForAccountData(ctx)
if err != nil {
panic(err)
}
@ -29,13 +32,15 @@ func (p *AccountDataStreamProvider) Setup() {
func (p *AccountDataStreamProvider) CompleteSync(
ctx context.Context,
snapshot storage.DatabaseTransaction,
req *types.SyncRequest,
) types.StreamPosition {
return p.IncrementalSync(ctx, req, 0, p.LatestPosition(ctx))
return p.IncrementalSync(ctx, snapshot, req, 0, p.LatestPosition(ctx))
}
func (p *AccountDataStreamProvider) IncrementalSync(
ctx context.Context,
snapshot storage.DatabaseTransaction,
req *types.SyncRequest,
from, to types.StreamPosition,
) types.StreamPosition {
@ -44,7 +49,7 @@ func (p *AccountDataStreamProvider) IncrementalSync(
To: to,
}
dataTypes, pos, err := p.DB.GetAccountDataInRange(
dataTypes, pos, err := snapshot.GetAccountDataInRange(
ctx, req.Device.UserID, r, &req.Filter.AccountData,
)
if err != nil {