mirror of
https://github.com/matrix-org/dendrite
synced 2024-09-08 04:05:42 +02:00
renamed: internal/eventcontent.go -> internal/eventutil/eventcontent.go renamed: internal/events.go -> internal/eventutil/events.go renamed: internal/types.go -> internal/eventutil/types.go renamed: internal/http/http.go -> internal/httputil/http.go renamed: internal/httpapi.go -> internal/httputil/httpapi.go renamed: internal/httpapi_test.go -> internal/httputil/httpapi_test.go renamed: internal/httpapis/paths.go -> internal/httputil/paths.go renamed: internal/routing.go -> internal/httputil/routing.go renamed: internal/basecomponent/base.go -> internal/setup/base.go renamed: internal/basecomponent/flags.go -> internal/setup/flags.go renamed: internal/partition_offset_table.go -> internal/sqlutil/partition_offset_table.go renamed: internal/postgres.go -> internal/sqlutil/postgres.go renamed: internal/postgres_wasm.go -> internal/sqlutil/postgres_wasm.go renamed: internal/sql.go -> internal/sqlutil/sql.go
154 lines
5.1 KiB
Go
154 lines
5.1 KiB
Go
// Copyright 2017-2018 New Vector Ltd
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// Copyright 2019-2020 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 sqlite3
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import (
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"context"
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"database/sql"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/roomserver/storage/shared"
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"github.com/matrix-org/dendrite/roomserver/storage/tables"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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_ "github.com/mattn/go-sqlite3"
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)
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// A Database is used to store room events and stream offsets.
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type Database struct {
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shared.Database
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events tables.Events
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eventJSON tables.EventJSON
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eventTypes tables.EventTypes
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eventStateKeys tables.EventStateKeys
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rooms tables.Rooms
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transactions tables.Transactions
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prevEvents tables.PreviousEvents
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invites tables.Invites
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membership tables.Membership
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db *sql.DB
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}
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// Open a sqlite database.
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// nolint: gocyclo
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func Open(dataSourceName string) (*Database, error) {
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var d Database
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cs, err := sqlutil.ParseFileURI(dataSourceName)
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if err != nil {
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return nil, err
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}
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if d.db, err = sqlutil.Open(sqlutil.SQLiteDriverName(), cs, nil); err != nil {
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return nil, err
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}
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//d.db.Exec("PRAGMA journal_mode=WAL;")
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//d.db.Exec("PRAGMA read_uncommitted = true;")
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// FIXME: We are leaking connections somewhere. Setting this to 2 will eventually
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// cause the roomserver to be unresponsive to new events because something will
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// acquire the global mutex and never unlock it because it is waiting for a connection
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// which it will never obtain.
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d.db.SetMaxOpenConns(20)
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d.eventStateKeys, err = NewSqliteEventStateKeysTable(d.db)
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if err != nil {
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return nil, err
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}
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d.eventTypes, err = NewSqliteEventTypesTable(d.db)
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if err != nil {
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return nil, err
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}
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d.eventJSON, err = NewSqliteEventJSONTable(d.db)
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if err != nil {
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return nil, err
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}
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d.events, err = NewSqliteEventsTable(d.db)
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if err != nil {
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return nil, err
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}
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d.rooms, err = NewSqliteRoomsTable(d.db)
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if err != nil {
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return nil, err
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}
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d.transactions, err = NewSqliteTransactionsTable(d.db)
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if err != nil {
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return nil, err
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}
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stateBlock, err := NewSqliteStateBlockTable(d.db)
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if err != nil {
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return nil, err
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}
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stateSnapshot, err := NewSqliteStateSnapshotTable(d.db)
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if err != nil {
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return nil, err
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}
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d.prevEvents, err = NewSqlitePrevEventsTable(d.db)
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if err != nil {
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return nil, err
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}
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roomAliases, err := NewSqliteRoomAliasesTable(d.db)
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if err != nil {
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return nil, err
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}
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d.invites, err = NewSqliteInvitesTable(d.db)
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if err != nil {
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return nil, err
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}
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d.membership, err = NewSqliteMembershipTable(d.db)
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if err != nil {
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return nil, err
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}
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d.Database = shared.Database{
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DB: d.db,
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EventsTable: d.events,
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EventTypesTable: d.eventTypes,
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EventStateKeysTable: d.eventStateKeys,
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EventJSONTable: d.eventJSON,
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RoomsTable: d.rooms,
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TransactionsTable: d.transactions,
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StateBlockTable: stateBlock,
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StateSnapshotTable: stateSnapshot,
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PrevEventsTable: d.prevEvents,
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RoomAliasesTable: roomAliases,
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InvitesTable: d.invites,
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MembershipTable: d.membership,
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}
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return &d, nil
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}
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func (d *Database) GetLatestEventsForUpdate(
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ctx context.Context, roomNID types.RoomNID,
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) (types.RoomRecentEventsUpdater, error) {
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// TODO: Do not use transactions. We should be holding open this transaction but we cannot have
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// multiple write transactions on sqlite. The code will perform additional
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// write transactions independent of this one which will consistently cause
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// 'database is locked' errors. As sqlite doesn't support multi-process on the
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// same DB anyway, and we only execute updates sequentially, the only worries
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// are for rolling back when things go wrong. (atomicity)
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return shared.NewRoomRecentEventsUpdater(&d.Database, ctx, roomNID, false)
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}
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func (d *Database) MembershipUpdater(
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ctx context.Context, roomID, targetUserID string,
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targetLocal bool, roomVersion gomatrixserverlib.RoomVersion,
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) (updater types.MembershipUpdater, err error) {
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// TODO: Do not use transactions. We should be holding open this transaction but we cannot have
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// multiple write transactions on sqlite. The code will perform additional
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// write transactions independent of this one which will consistently cause
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// 'database is locked' errors. As sqlite doesn't support multi-process on the
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// same DB anyway, and we only execute updates sequentially, the only worries
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// are for rolling back when things go wrong. (atomicity)
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return shared.NewMembershipUpdater(ctx, &d.Database, roomID, targetUserID, targetLocal, roomVersion, false)
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}
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