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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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GPG key ID: 4AEE18F83AFDEB23
37 changed files with 1759 additions and 1527 deletions
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10
syncapi/streams/template_stream.go
View file

@ -8,16 +8,18 @@ import (
"github.com/matrix-org/dendrite/syncapi/types"
)
type StreamProvider struct {
type DefaultStreamProvider struct {
DB storage.Database
latest types.StreamPosition
latestMutex sync.RWMutex
}
func (p *StreamProvider) Setup() {
func (p *DefaultStreamProvider) Setup(
ctx context.Context, snapshot storage.DatabaseTransaction,
) {
}
func (p *StreamProvider) Advance(
func (p *DefaultStreamProvider) Advance(
latest types.StreamPosition,
) {
p.latestMutex.Lock()
@ -28,7 +30,7 @@ func (p *StreamProvider) Advance(
}
}
func (p *StreamProvider) LatestPosition(
func (p *DefaultStreamProvider) LatestPosition(
ctx context.Context,
) types.StreamPosition {
p.latestMutex.RLock()