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Full roomserver input transactional isolation (#2141)

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* Add transaction to all database tables in roomserver, rename latest events updater to room updater, use room updater for all RS input

* Better transaction management

* Tweak order

* Handle cases where the room does not exist

* Other fixes

* More tweaks

* Fill some gaps

* Fill in the gaps

* good lord it gets worse

* Don't roll back transactions when events rejected

* Pass through errors properly

* Fix bugs

* Fix incorrect error check

* Don't panic on nil txns

* Tweaks

* Hopefully fix panics for good in SQLite this time

* Fix rollback

* Minor bug fixes with latest event updater

* Some review comments

* Revert "Some review comments"

This reverts commit 0caf8cf53e62c33f7b83c52e9df1d963871f751e.

* Fix a couple of bugs

* Clearer commit and rollback results

* Remove unnecessary prepares
This commit is contained in:
Neil Alexander 2022-02-04 10:39:34 +00:00 • committed by GitHub
parent 4d9f5b2e57
commit eb352a5f6b
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35 changed files with 867 additions and 499 deletions
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17
roomserver/state/state.go
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@ -22,7 +22,6 @@ import (
"sort"
"time"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/util"
"github.com/prometheus/client_golang/prometheus"
@ -30,13 +29,25 @@ import (
"github.com/matrix-org/gomatrixserverlib"
)
type StateResolutionStorage interface {
EventTypeNIDs(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
EventStateKeyNIDs(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
StateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
StateEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID) ([]types.StateEntryList, error)
SnapshotNIDFromEventID(ctx context.Context, eventID string) (types.StateSnapshotNID, error)
StateEntriesForTuples(ctx context.Context, stateBlockNIDs []types.StateBlockNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntryList, error)
StateAtEventIDs(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
AddState(ctx context.Context, roomNID types.RoomNID, stateBlockNIDs []types.StateBlockNID, state []types.StateEntry) (types.StateSnapshotNID, error)
Events(ctx context.Context, eventNIDs []types.EventNID) ([]types.Event, error)
}
type StateResolution struct {
db storage.Database
db StateResolutionStorage
roomInfo *types.RoomInfo
events map[types.EventNID]*gomatrixserverlib.Event
}
func NewStateResolution(db storage.Database, roomInfo *types.RoomInfo) StateResolution {
func NewStateResolution(db StateResolutionStorage, roomInfo *types.RoomInfo) StateResolution {
return StateResolution{
db: db,
roomInfo: roomInfo,