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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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13
roomserver/internal/helpers/auth.go
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@ -20,17 +20,22 @@ import (
"sort"
"github.com/matrix-org/dendrite/roomserver/state"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
)
type checkForAuthAndSoftFailStorage interface {
state.StateResolutionStorage
StateEntriesForEventIDs(ctx context.Context, eventIDs []string) ([]types.StateEntry, error)
RoomInfo(ctx context.Context, roomID string) (*types.RoomInfo, error)
}
// CheckForSoftFail returns true if the event should be soft-failed
// and false otherwise. The return error value should be checked before
// the soft-fail bool.
func CheckForSoftFail(
ctx context.Context,
db storage.Database,
db checkForAuthAndSoftFailStorage,
event *gomatrixserverlib.HeaderedEvent,
stateEventIDs []string,
) (bool, error) {
@ -92,7 +97,7 @@ func CheckForSoftFail(
// Returns the numeric IDs for the auth events.
func CheckAuthEvents(
ctx context.Context,
db storage.Database,
db checkForAuthAndSoftFailStorage,
event *gomatrixserverlib.HeaderedEvent,
authEventIDs []string,
) ([]types.EventNID, error) {
@ -193,7 +198,7 @@ func (ae *authEvents) lookupEvent(typeNID types.EventTypeNID, stateKey string) *
// loadAuthEvents loads the events needed for authentication from the supplied room state.
func loadAuthEvents(
ctx context.Context,
db storage.Database,
db state.StateResolutionStorage,
needed gomatrixserverlib.StateNeeded,
state []types.StateEntry,
) (result authEvents, err error) {