02fe38e1f7
* Per-user-per-device sync streams * Tweaks * Tweaks * Pass full device into CompleteSync * Set user IDs and device IDs properly in tests * Add new test, fix TestNewEventAndWasPreviouslyJoinedToRoom * nolint a function that is not used yet * Add test for waking up single device * Hopefully unstick test * Try to ensure that TestCorrectStreamWakeup doesn't block forever * Update tests
107 lines
7.3 KiB
Go
107 lines
7.3 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/clientapi/auth/authtypes"
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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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"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.
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IncrementalSync(ctx context.Context, device authtypes.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.
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CompleteSync(ctx context.Context, device authtypes.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.
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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) 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 *authtypes.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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}
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