b5a8935042
* It's half-alive * Wakeups largely working * Other tweaks, typing works * Fix bugs, add receipt stream * Delete notifier, other tweaks * Dedupe a bit, add a template for the invite stream * Clean up, add templates for other streams * Don't leak channels * Bring forward some more PDU logic, clean up other places * Add some more wakeups * Use addRoomDeltaToResponse * Log tweaks, typing fixed? * Fix timed out syncs * Don't reset next batch position on timeout * Add account data stream/position * End of day * Fix complete sync for receipt, typing * Streams package * Clean up a bit * Complete sync send-to-device * Don't drop errors * More lightweight notifications * Fix typing positions * Don't advance position on remove again unless needed * Device list updates * Advance account data position * Use limit for incremental sync * Limit fixes, amongst other things * Remove some fmt.Println * Tweaks * Re-add notifier * Fix invite position * Fixes * Notify account data without advancing PDU position in notifier * Apply account data position * Get initial position for account data * Fix position update * Fix complete sync positions * Review comments @Kegsay * Room consumer parameters
154 lines
12 KiB
Go
154 lines
12 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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eduAPI "github.com/matrix-org/dendrite/eduserver/api"
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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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MaxStreamPositionForPDUs(ctx context.Context) (types.StreamPosition, error)
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MaxStreamPositionForReceipts(ctx context.Context) (types.StreamPosition, error)
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MaxStreamPositionForInvites(ctx context.Context) (types.StreamPosition, error)
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MaxStreamPositionForAccountData(ctx context.Context) (types.StreamPosition, error)
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CurrentState(ctx context.Context, roomID string, stateFilterPart *gomatrixserverlib.StateFilter) ([]*gomatrixserverlib.HeaderedEvent, error)
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GetStateDeltasForFullStateSync(ctx context.Context, device *userapi.Device, r types.Range, userID string, stateFilter *gomatrixserverlib.StateFilter) ([]types.StateDelta, []string, error)
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GetStateDeltas(ctx context.Context, device *userapi.Device, r types.Range, userID string, stateFilter *gomatrixserverlib.StateFilter) ([]types.StateDelta, []string, error)
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RoomIDsWithMembership(ctx context.Context, userID string, membership string) ([]string, error)
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RecentEvents(ctx context.Context, roomID string, r types.Range, limit int, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error)
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GetBackwardTopologyPos(ctx context.Context, events []types.StreamEvent) (types.TopologyToken, error)
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PositionInTopology(ctx context.Context, eventID string) (pos types.StreamPosition, spos types.StreamPosition, err error)
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InviteEventsInRange(ctx context.Context, targetUserID string, r types.Range) (map[string]*gomatrixserverlib.HeaderedEvent, map[string]*gomatrixserverlib.HeaderedEvent, error)
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PeeksInRange(ctx context.Context, userID, deviceID string, r types.Range) (peeks []types.Peek, err error)
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RoomReceiptsAfter(ctx context.Context, roomIDs []string, streamPos types.StreamPosition) (types.StreamPosition, []eduAPI.OutputReceiptEvent, error)
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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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// AllPeekingDevicesInRooms returns a map of room ID to a list of all peeking devices.
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AllPeekingDevicesInRooms(ctx context.Context) (map[string][]types.PeekingDevice, 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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// PurgeRoomState completely purges room state from the sync API. This is done when
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// receiving an output event that completely resets the state.
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PurgeRoomState(ctx context.Context, roomID string) 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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// 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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// AddPeek adds a new peek to our DB for a given room by a given user's device.
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// Returns an error if there was a problem communicating with the database.
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AddPeek(ctx context.Context, RoomID, UserID, DeviceID string) (types.StreamPosition, error)
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// DeletePeek removes an existing peek from the database for a given room by a user's device.
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// Returns an error if there was a problem communicating with the database.
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DeletePeek(ctx context.Context, roomID, userID, deviceID string) (sp types.StreamPosition, err error)
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// DeletePeek deletes all peeks for a given room by a given user
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// Returns an error if there was a problem communicating with the database.
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DeletePeeks(ctx context.Context, RoomID, UserID string) (types.StreamPosition, error)
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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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// 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) (pos types.StreamPosition, 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, 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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// StoreReceipt stores new receipt events
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StoreReceipt(ctx context.Context, roomId, receiptType, userId, eventId string, timestamp gomatrixserverlib.Timestamp) (pos types.StreamPosition, err error)
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// GetRoomReceipts gets all receipts for a given roomID
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GetRoomReceipts(ctx context.Context, roomIDs []string, streamPos types.StreamPosition) ([]eduAPI.OutputReceiptEvent, error)
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}
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