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Handle state with input event as new events (#1415)

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* SendEventWithState events as new

* Use cumulative state IDs for final event

* Error wrapping in calculateAndSetState

* Handle overwriting same event type and state key

* Hacky way to spot historical events

* Don't exclude from sync

* Don't generate output events when rewriting forward extremities

* Update output event check

* Historical output events

* Define output room event type

* Notify key changes on state

* Don't send our membership event twice

* Deduplicate state entries

* Tweaks

* Remove unnecessary nolint

* Fix current state upsert in sync API

* Send auth events as outliers, state events as rewrite

* Sync API don't consume state events

* Process events actually

* Improve outlier check

* Fix local room check

* Remove extra room check, it seems to break the whole damn world

* Fix federated join check

* Fix nil pointer exception

* Better comments on DeduplicateStateEntries

* Reflow forced federated joins

* Don't force federated join for possibly even local invites

* Comment SendEventWithState better

* Rewrite room state in sync API storage

* Add TODO

* Clean up all room data when receiving create event

* Don't generate output events for rewrites, but instead notify that state is rewritten on the final new event

* Rename to PurgeRoom

* Exclude backfilled messages from /sync

* Split out rewriting state from updating state from state res

Co-authored-by: Kegan Dougal <kegan@matrix.org>
This commit is contained in:
Neil Alexander 2020-09-15 11:17:46 +01:00 • committed by GitHub
parent 8dc9506210
commit 965f068d1a
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23 changed files with 616 additions and 30 deletions
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7
syncapi/storage/tables/interface.go
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@ -60,6 +60,8 @@ type Events interface {
SelectEarlyEvents(ctx context.Context, txn *sql.Tx, roomID string, r types.Range, limit int) ([]types.StreamEvent, error)
SelectEvents(ctx context.Context, txn *sql.Tx, eventIDs []string) ([]types.StreamEvent, error)
UpdateEventJSON(ctx context.Context, event *gomatrixserverlib.HeaderedEvent) error
// DeleteEventsForRoom removes all event information for a room. This should only be done when removing the room entirely.
DeleteEventsForRoom(ctx context.Context, txn *sql.Tx, roomID string) (err error)
}
// Topology keeps track of the depths and stream positions for all events.
@ -77,6 +79,8 @@ type Topology interface {
SelectPositionInTopology(ctx context.Context, txn *sql.Tx, eventID string) (depth, spos types.StreamPosition, err error)
// SelectMaxPositionInTopology returns the event which has the highest depth, and if there are multiple, the event with the highest stream position.
SelectMaxPositionInTopology(ctx context.Context, txn *sql.Tx, roomID string) (depth types.StreamPosition, spos types.StreamPosition, err error)
// DeleteTopologyForRoom removes all topological information for a room. This should only be done when removing the room entirely.
DeleteTopologyForRoom(ctx context.Context, txn *sql.Tx, roomID string) (err error)
}
type CurrentRoomState interface {
@ -84,6 +88,7 @@ type CurrentRoomState interface {
SelectEventsWithEventIDs(ctx context.Context, txn *sql.Tx, eventIDs []string) ([]types.StreamEvent, error)
UpsertRoomState(ctx context.Context, txn *sql.Tx, event gomatrixserverlib.HeaderedEvent, membership *string, addedAt types.StreamPosition) error
DeleteRoomStateByEventID(ctx context.Context, txn *sql.Tx, eventID string) error
DeleteRoomStateForRoom(ctx context.Context, txn *sql.Tx, roomID string) error
// SelectCurrentState returns all the current state events for the given room.
SelectCurrentState(ctx context.Context, txn *sql.Tx, roomID string, stateFilter *gomatrixserverlib.StateFilter) ([]gomatrixserverlib.HeaderedEvent, error)
// SelectRoomIDsWithMembership returns the list of room IDs which have the given user in the given membership state.
@ -118,6 +123,8 @@ type BackwardsExtremities interface {
SelectBackwardExtremitiesForRoom(ctx context.Context, roomID string) (bwExtrems map[string][]string, err error)
// DeleteBackwardExtremity removes a backwards extremity for a room, if one existed.
DeleteBackwardExtremity(ctx context.Context, txn *sql.Tx, roomID, knownEventID string) (err error)
// DeleteBackwardExtremitiesFoorRoomID removes all backward extremities for a room. This should only be done when removing the room entirely.
DeleteBackwardExtremitiesForRoom(ctx context.Context, txn *sql.Tx, roomID string) (err error)
}
// SendToDevice tracks send-to-device messages which are sent to individual