mirror of
https://github.com/1f349/dendrite.git
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d9648b0615
* Add a bit more logging to the fedsender * bugfix: continue sending PDUs if ones are added whilst sending another PDU Without this, the queue goes back to sleep on `<-oq.notifyPDUs` which won't fire because `pendingPDUs` is already > 0. This should fix a flakey sytest. * Break if no txn is sent * WIP syncapi work * More debugging * Bump GMSL version to pull in working Event.Redact * Remove logging * Make redactions work on v3+ * Fix more tests
142 lines
10 KiB
Go
142 lines
10 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storage
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import (
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"context"
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"time"
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"github.com/matrix-org/dendrite/eduserver/cache"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/syncapi/types"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type Database interface {
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internal.PartitionStorer
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// AllJoinedUsersInRooms returns a map of room ID to a list of all joined user IDs.
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AllJoinedUsersInRooms(ctx context.Context) (map[string][]string, error)
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// Events lookups a list of event by their event ID.
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// Returns a list of events matching the requested IDs found in the database.
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// If an event is not found in the database then it will be omitted from the list.
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// Returns an error if there was a problem talking with the database.
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// Does not include any transaction IDs in the returned events.
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Events(ctx context.Context, eventIDs []string) ([]gomatrixserverlib.HeaderedEvent, error)
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// WriteEvent into the database. It is not safe to call this function from multiple goroutines, as it would create races
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// when generating the sync stream position for this event. Returns the sync stream position for the inserted event.
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// Returns an error if there was a problem inserting this event.
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WriteEvent(ctx context.Context, ev *gomatrixserverlib.HeaderedEvent, addStateEvents []gomatrixserverlib.HeaderedEvent,
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addStateEventIDs []string, removeStateEventIDs []string, transactionID *api.TransactionID, excludeFromSync bool) (types.StreamPosition, error)
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// GetStateEvent returns the Matrix state event of a given type for a given room with a given state key
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// If no event could be found, returns nil
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// If there was an issue during the retrieval, returns an error
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GetStateEvent(ctx context.Context, roomID, evType, stateKey string) (*gomatrixserverlib.HeaderedEvent, error)
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// GetStateEventsForRoom fetches the state events for a given room.
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// Returns an empty slice if no state events could be found for this room.
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// Returns an error if there was an issue with the retrieval.
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GetStateEventsForRoom(ctx context.Context, roomID string, stateFilterPart *gomatrixserverlib.StateFilter) (stateEvents []gomatrixserverlib.HeaderedEvent, err error)
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// SyncPosition returns the latest positions for syncing.
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SyncPosition(ctx context.Context) (types.StreamingToken, error)
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// IncrementalSync returns all the data needed in order to create an incremental
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// sync response for the given user. Events returned will include any client
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// transaction IDs associated with the given device. These transaction IDs come
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// from when the device sent the event via an API that included a transaction
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// ID. A response object must be provided for IncrementaSync to populate - it
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// will not create one.
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IncrementalSync(ctx context.Context, res *types.Response, device userapi.Device, fromPos, toPos types.StreamingToken, numRecentEventsPerRoom int, wantFullState bool) (*types.Response, error)
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// CompleteSync returns a complete /sync API response for the given user. A response object
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// must be provided for CompleteSync to populate - it will not create one.
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CompleteSync(ctx context.Context, res *types.Response, device userapi.Device, numRecentEventsPerRoom int) (*types.Response, error)
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// GetAccountDataInRange returns all account data for a given user inserted or
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// updated between two given positions
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// Returns a map following the format data[roomID] = []dataTypes
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// If no data is retrieved, returns an empty map
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// If there was an issue with the retrieval, returns an error
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GetAccountDataInRange(ctx context.Context, userID string, r types.Range, accountDataFilterPart *gomatrixserverlib.EventFilter) (map[string][]string, error)
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// UpsertAccountData keeps track of new or updated account data, by saving the type
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// of the new/updated data, and the user ID and room ID the data is related to (empty)
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// room ID means the data isn't specific to any room)
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// If no data with the given type, user ID and room ID exists in the database,
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// creates a new row, else update the existing one
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// Returns an error if there was an issue with the upsert
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UpsertAccountData(ctx context.Context, userID, roomID, dataType string) (types.StreamPosition, error)
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// AddInviteEvent stores a new invite event for a user.
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// If the invite was successfully stored this returns the stream ID it was stored at.
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// Returns an error if there was a problem communicating with the database.
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AddInviteEvent(ctx context.Context, inviteEvent gomatrixserverlib.HeaderedEvent) (types.StreamPosition, error)
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// RetireInviteEvent removes an old invite event from the database. Returns the new position of the retired invite.
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// Returns an error if there was a problem communicating with the database.
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RetireInviteEvent(ctx context.Context, inviteEventID string) (types.StreamPosition, error)
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// SetTypingTimeoutCallback sets a callback function that is called right after
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// a user is removed from the typing user list due to timeout.
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SetTypingTimeoutCallback(fn cache.TimeoutCallbackFn)
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// AddTypingUser adds a typing user to the typing cache.
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// Returns the newly calculated sync position for typing notifications.
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AddTypingUser(userID, roomID string, expireTime *time.Time) types.StreamPosition
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// RemoveTypingUser removes a typing user from the typing cache.
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// Returns the newly calculated sync position for typing notifications.
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RemoveTypingUser(userID, roomID string) types.StreamPosition
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// GetEventsInStreamingRange retrieves all of the events on a given ordering using the given extremities and limit.
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GetEventsInStreamingRange(ctx context.Context, from, to *types.StreamingToken, roomID string, limit int, backwardOrdering bool) (events []types.StreamEvent, err error)
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// GetEventsInTopologicalRange retrieves all of the events on a given ordering using the given extremities and limit.
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GetEventsInTopologicalRange(ctx context.Context, from, to *types.TopologyToken, roomID string, limit int, backwardOrdering bool) (events []types.StreamEvent, err error)
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// EventPositionInTopology returns the depth and stream position of the given event.
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EventPositionInTopology(ctx context.Context, eventID string) (types.TopologyToken, error)
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// BackwardExtremitiesForRoom returns a map of backwards extremity event ID to a list of its prev_events.
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BackwardExtremitiesForRoom(ctx context.Context, roomID string) (backwardExtremities map[string][]string, err error)
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// MaxTopologicalPosition returns the highest topological position for a given room.
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MaxTopologicalPosition(ctx context.Context, roomID string) (types.TopologyToken, error)
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// StreamEventsToEvents converts streamEvent to Event. If device is non-nil and
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// matches the streamevent.transactionID device then the transaction ID gets
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// added to the unsigned section of the output event.
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StreamEventsToEvents(device *userapi.Device, in []types.StreamEvent) []gomatrixserverlib.HeaderedEvent
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// SyncStreamPosition returns the latest position in the sync stream. Returns 0 if there are no events yet.
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SyncStreamPosition(ctx context.Context) (types.StreamPosition, error)
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// AddSendToDevice increases the EDU position in the cache and returns the stream position.
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AddSendToDevice() types.StreamPosition
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// SendToDeviceUpdatesForSync returns a list of send-to-device updates. It returns three lists:
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// - "events": a list of send-to-device events that should be included in the sync
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// - "changes": a list of send-to-device events that should be updated in the database by
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// CleanSendToDeviceUpdates
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// - "deletions": a list of send-to-device events which have been confirmed as sent and
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// can be deleted altogether by CleanSendToDeviceUpdates
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// The token supplied should be the current requested sync token, e.g. from the "since"
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// parameter.
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SendToDeviceUpdatesForSync(ctx context.Context, userID, deviceID string, token types.StreamingToken) (events []types.SendToDeviceEvent, changes []types.SendToDeviceNID, deletions []types.SendToDeviceNID, err error)
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// StoreNewSendForDeviceMessage stores a new send-to-device event for a user's device.
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StoreNewSendForDeviceMessage(ctx context.Context, streamPos types.StreamPosition, userID, deviceID string, event gomatrixserverlib.SendToDeviceEvent) (types.StreamPosition, error)
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// CleanSendToDeviceUpdates will update or remove any send-to-device updates based on the
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// result to a previous call to SendDeviceUpdatesForSync. This is separate as it allows
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// SendToDeviceUpdatesForSync to be called multiple times if needed (e.g. before and after
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// starting to wait for an incremental sync with timeout).
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// The token supplied should be the current requested sync token, e.g. from the "since"
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// parameter.
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CleanSendToDeviceUpdates(ctx context.Context, toUpdate, toDelete []types.SendToDeviceNID, token types.StreamingToken) (err error)
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// SendToDeviceUpdatesWaiting returns true if there are send-to-device updates waiting to be sent.
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SendToDeviceUpdatesWaiting(ctx context.Context, userID, deviceID string) (bool, error)
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// GetFilter looks up the filter associated with a given local user and filter ID.
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// Returns a filter structure. Otherwise returns an error if no such filter exists
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// or if there was an error talking to the database.
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GetFilter(ctx context.Context, localpart string, filterID string) (*gomatrixserverlib.Filter, error)
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// PutFilter puts the passed filter into the database.
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// Returns the filterID as a string. Otherwise returns an error if something
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// goes wrong.
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PutFilter(ctx context.Context, localpart string, filter *gomatrixserverlib.Filter) (string, error)
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// RedactEvent wipes an event in the database and sets the unsigned.redacted_because key to the redaction event
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RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *gomatrixserverlib.HeaderedEvent) error
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}
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