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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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14
roomserver/api/output.go
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@ -68,6 +68,17 @@ type OutputEvent struct {
NewPeek *OutputNewPeek `json:"new_peek,omitempty"`
}
// Type of the OutputNewRoomEvent.
type OutputRoomEventType int
const (
// The event is a timeline event and likely just happened.
OutputRoomTimeline OutputRoomEventType = iota
// The event is a state event and quite possibly happened in the past.
OutputRoomState
)
// An OutputNewRoomEvent is written when the roomserver receives a new event.
// It contains the full matrix room event and enough information for a
// consumer to construct the current state of the room and the state before the
@ -80,6 +91,9 @@ type OutputEvent struct {
type OutputNewRoomEvent struct {
// The Event.
Event gomatrixserverlib.HeaderedEvent `json:"event"`
// Does the event completely rewrite the room state? If so, then AddsStateEventIDs
// will contain the entire room state.
RewritesState bool `json:"rewrites_state"`
// The latest events in the room after this event.
// This can be used to set the prev events for new events in the room.
// This also can be used to get the full current state after this event.