dendrite/roomserver/storage/storage.go

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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"context"
"errors"
"net/url"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage/postgres"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
)
type Database interface {
StoreEvent(ctx context.Context, event gomatrixserverlib.Event, txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID) (types.RoomNID, types.StateAtEvent, error)
StateEntriesForEventIDs(ctx context.Context, eventIDs []string) ([]types.StateEntry, error)
EventTypeNIDs(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
EventStateKeyNIDs(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
EventStateKeys(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
EventNIDs(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error)
Events(ctx context.Context, eventNIDs []types.EventNID) ([]types.Event, error)
AddState(ctx context.Context, roomNID types.RoomNID, stateBlockNIDs []types.StateBlockNID, state []types.StateEntry) (types.StateSnapshotNID, error)
SetState(ctx context.Context, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
StateAtEventIDs(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
StateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
StateEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID) ([]types.StateEntryList, error)
SnapshotNIDFromEventID(ctx context.Context, eventID string) (types.StateSnapshotNID, error)
EventIDs(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
GetLatestEventsForUpdate(ctx context.Context, roomNID types.RoomNID) (types.RoomRecentEventsUpdater, error)
GetTransactionEventID(ctx context.Context, transactionID string, sessionID int64, userID string) (string, error)
RoomNID(ctx context.Context, roomID string) (types.RoomNID, error)
LatestEventIDs(ctx context.Context, roomNID types.RoomNID) ([]gomatrixserverlib.EventReference, types.StateSnapshotNID, int64, error)
GetInvitesForUser(ctx context.Context, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (senderUserIDs []types.EventStateKeyNID, err error)
SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error
GetRoomIDForAlias(ctx context.Context, alias string) (string, error)
GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error)
GetCreatorIDForAlias(ctx context.Context, alias string) (string, error)
RemoveRoomAlias(ctx context.Context, alias string) error
StateEntriesForTuples(ctx context.Context, stateBlockNIDs []types.StateBlockNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntryList, error)
MembershipUpdater(ctx context.Context, roomID, targetUserID string) (types.MembershipUpdater, error)
GetMembership(ctx context.Context, roomNID types.RoomNID, requestSenderUserID string) (membershipEventNID types.EventNID, stillInRoom bool, err error)
GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool) ([]types.EventNID, error)
EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error)
}
// NewPublicRoomsServerDatabase opens a database connection.
func Open(dataSourceName string) (Database, error) {
uri, err := url.Parse(dataSourceName)
if err != nil {
// if the scheme doesn't match, fall back to postgres in case the config has
// postgres key=value connection strings
return postgres.Open(dataSourceName)
}
switch uri.Scheme {
case "postgres":
return postgres.Open(dataSourceName)
default:
return nil, errors.New("unknown schema")
}
}