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Convert transactions/rooms table to share more code (#1063)

Browse source 
* Convert rooms table

* Convert transactions table

* Convert rooms table and factor out lots of functions

* I think you'll be needing this..
This commit is contained in:
Kegsay 2020-05-26 18:23:39 +01:00 committed by GitHub
parent 803af87dc4
commit 19aa44ecae
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
12 changed files with 409 additions and 600 deletions
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5
roomserver/storage/postgres/events_table.go
View file

@ -426,10 +426,9 @@ func (s *eventStatements) SelectMaxEventDepth(ctx context.Context, txn *sql.Tx,
} }
func (s *eventStatements) SelectRoomNIDForEventNID( func (s *eventStatements) SelectRoomNIDForEventNID(
ctx context.Context, txn *sql.Tx, eventNID types.EventNID, ctx context.Context, eventNID types.EventNID,
) (roomNID types.RoomNID, err error) { ) (roomNID types.RoomNID, err error) {
selectStmt := internal.TxStmt(txn, s.selectRoomNIDForEventNIDStmt) err = s.selectRoomNIDForEventNIDStmt.QueryRowContext(ctx, int64(eventNID)).Scan(&roomNID)
err = selectStmt.QueryRowContext(ctx, int64(eventNID)).Scan(&roomNID)
return return
} }

31
roomserver/storage/postgres/rooms_table.go
View file

@ -22,6 +22,7 @@ import (
"github.com/lib/pq" "github.com/lib/pq"
"github.com/matrix-org/dendrite/internal" "github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types" "github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib"
) )
@ -82,12 +83,13 @@ type roomStatements struct {
selectRoomVersionForRoomNIDStmt *sql.Stmt selectRoomVersionForRoomNIDStmt *sql.Stmt
} }
func (s *roomStatements) prepare(db *sql.DB) (err error) { func NewPostgresRoomsTable(db *sql.DB) (tables.Rooms, error) {
_, err = db.Exec(roomsSchema) s := &roomStatements{}
_, err := db.Exec(roomsSchema)
if err != nil { if err != nil {
return return nil, err
} }
return statementList{ return s, statementList{
{&s.insertRoomNIDStmt, insertRoomNIDSQL}, {&s.insertRoomNIDStmt, insertRoomNIDSQL},
{&s.selectRoomNIDStmt, selectRoomNIDSQL}, {&s.selectRoomNIDStmt, selectRoomNIDSQL},
{&s.selectLatestEventNIDsStmt, selectLatestEventNIDsSQL}, {&s.selectLatestEventNIDsStmt, selectLatestEventNIDsSQL},
@ -98,7 +100,7 @@ func (s *roomStatements) prepare(db *sql.DB) (err error) {
}.prepare(db) }.prepare(db)
} }
func (s *roomStatements) insertRoomNID( func (s *roomStatements) InsertRoomNID(
ctx context.Context, txn *sql.Tx, ctx context.Context, txn *sql.Tx,
roomID string, roomVersion gomatrixserverlib.RoomVersion, roomID string, roomVersion gomatrixserverlib.RoomVersion,
) (types.RoomNID, error) { ) (types.RoomNID, error) {
@ -108,7 +110,7 @@ func (s *roomStatements) insertRoomNID(
return types.RoomNID(roomNID), err return types.RoomNID(roomNID), err
} }
func (s *roomStatements) selectRoomNID( func (s *roomStatements) SelectRoomNID(
ctx context.Context, txn *sql.Tx, roomID string, ctx context.Context, txn *sql.Tx, roomID string,
) (types.RoomNID, error) { ) (types.RoomNID, error) {
var roomNID int64 var roomNID int64
@ -117,8 +119,8 @@ func (s *roomStatements) selectRoomNID(
return types.RoomNID(roomNID), err return types.RoomNID(roomNID), err
} }
func (s *roomStatements) selectLatestEventNIDs( func (s *roomStatements) SelectLatestEventNIDs(
ctx context.Context, roomNID types.RoomNID, ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
) ([]types.EventNID, types.StateSnapshotNID, error) { ) ([]types.EventNID, types.StateSnapshotNID, error) {
var nids pq.Int64Array var nids pq.Int64Array
var stateSnapshotNID int64 var stateSnapshotNID int64
@ -134,7 +136,7 @@ func (s *roomStatements) selectLatestEventNIDs(
return eventNIDs, types.StateSnapshotNID(stateSnapshotNID), nil return eventNIDs, types.StateSnapshotNID(stateSnapshotNID), nil
} }
func (s *roomStatements) selectLatestEventsNIDsForUpdate( func (s *roomStatements) SelectLatestEventsNIDsForUpdate(
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error) { ) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error) {
var nids pq.Int64Array var nids pq.Int64Array
@ -152,7 +154,7 @@ func (s *roomStatements) selectLatestEventsNIDsForUpdate(
return eventNIDs, types.EventNID(lastEventSentNID), types.StateSnapshotNID(stateSnapshotNID), nil return eventNIDs, types.EventNID(lastEventSentNID), types.StateSnapshotNID(stateSnapshotNID), nil
} }
func (s *roomStatements) updateLatestEventNIDs( func (s *roomStatements) UpdateLatestEventNIDs(
ctx context.Context, ctx context.Context,
txn *sql.Tx, txn *sql.Tx,
roomNID types.RoomNID, roomNID types.RoomNID,
@ -171,7 +173,7 @@ func (s *roomStatements) updateLatestEventNIDs(
return err return err
} }
func (s *roomStatements) selectRoomVersionForRoomID( func (s *roomStatements) SelectRoomVersionForRoomID(
ctx context.Context, txn *sql.Tx, roomID string, ctx context.Context, txn *sql.Tx, roomID string,
) (gomatrixserverlib.RoomVersion, error) { ) (gomatrixserverlib.RoomVersion, error) {
var roomVersion gomatrixserverlib.RoomVersion var roomVersion gomatrixserverlib.RoomVersion
@ -183,12 +185,11 @@ func (s *roomStatements) selectRoomVersionForRoomID(
return roomVersion, err return roomVersion, err
} }
func (s *roomStatements) selectRoomVersionForRoomNID( func (s *roomStatements) SelectRoomVersionForRoomNID(
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, ctx context.Context, roomNID types.RoomNID,
) (gomatrixserverlib.RoomVersion, error) { ) (gomatrixserverlib.RoomVersion, error) {
var roomVersion gomatrixserverlib.RoomVersion var roomVersion gomatrixserverlib.RoomVersion
stmt := internal.TxStmt(txn, s.selectRoomVersionForRoomNIDStmt) err := s.selectRoomVersionForRoomNIDStmt.QueryRowContext(ctx, roomNID).Scan(&roomVersion)
err := stmt.QueryRowContext(ctx, roomNID).Scan(&roomVersion)
if err == sql.ErrNoRows { if err == sql.ErrNoRows {
return roomVersion, errors.New("room not found") return roomVersion, errors.New("room not found")
} }

2
roomserver/storage/postgres/sql.go
View file

@ -38,14 +38,12 @@ func (s *statements) prepare(db *sql.DB) error {
var err error var err error
for _, prepare := range []func(db *sql.DB) error{ for _, prepare := range []func(db *sql.DB) error{
s.roomStatements.prepare,
s.stateSnapshotStatements.prepare, s.stateSnapshotStatements.prepare,
s.stateBlockStatements.prepare, s.stateBlockStatements.prepare,
s.previousEventStatements.prepare, s.previousEventStatements.prepare,
s.roomAliasesStatements.prepare, s.roomAliasesStatements.prepare,
s.inviteStatements.prepare, s.inviteStatements.prepare,
s.membershipStatements.prepare, s.membershipStatements.prepare,
s.transactionStatements.prepare,
} { } {
if err = prepare(db); err != nil { if err = prepare(db); err != nil {
return err return err

281
roomserver/storage/postgres/storage.go
View file

@ -18,14 +18,12 @@ package postgres
import ( import (
"context" "context"
"database/sql" "database/sql"
"encoding/json"
"github.com/matrix-org/dendrite/internal" "github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil" "github.com/matrix-org/dendrite/internal/sqlutil"
// Import the postgres database driver. // Import the postgres database driver.
_ "github.com/lib/pq" _ "github.com/lib/pq"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage/shared" "github.com/matrix-org/dendrite/roomserver/storage/shared"
"github.com/matrix-org/dendrite/roomserver/storage/tables" "github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types" "github.com/matrix-org/dendrite/roomserver/types"
@ -40,6 +38,8 @@ type Database struct {
eventTypes tables.EventTypes eventTypes tables.EventTypes
eventStateKeys tables.EventStateKeys eventStateKeys tables.EventStateKeys
eventJSON tables.EventJSON eventJSON tables.EventJSON
rooms tables.Rooms
transactions tables.Transactions
db *sql.DB db *sql.DB
} }
@ -69,164 +69,43 @@ func Open(dataSourceName string, dbProperties internal.DbProperties) (*Database,
if err != nil { if err != nil {
return nil, err return nil, err
} }
d.rooms, err = NewPostgresRoomsTable(d.db)
if err != nil {
return nil, err
}
d.transactions, err = NewPostgresTransactionsTable(d.db)
if err != nil {
return nil, err
}
d.Database = shared.Database{ d.Database = shared.Database{
DB: d.db,
EventTypesTable: d.eventTypes, EventTypesTable: d.eventTypes,
EventStateKeysTable: d.eventStateKeys, EventStateKeysTable: d.eventStateKeys,
EventJSONTable: d.eventJSON, EventJSONTable: d.eventJSON,
EventsTable: d.events, EventsTable: d.events,
RoomsTable: d.rooms,
TransactionsTable: d.transactions,
} }
return &d, nil return &d, nil
} }
// StoreEvent implements input.EventDatabase
func (d *Database) StoreEvent(
ctx context.Context, event gomatrixserverlib.Event,
txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID,
) (types.RoomNID, types.StateAtEvent, error) {
var (
roomNID types.RoomNID
eventTypeNID types.EventTypeNID
eventStateKeyNID types.EventStateKeyNID
eventNID types.EventNID
stateNID types.StateSnapshotNID
err error
)
if txnAndSessionID != nil {
if err = d.statements.insertTransaction(
ctx, txnAndSessionID.TransactionID,
txnAndSessionID.SessionID, event.Sender(), event.EventID(),
); err != nil {
return 0, types.StateAtEvent{}, err
}
}
// TODO: Here we should aim to have two different code paths for new rooms
// vs existing ones.
// Get the default room version. If the client doesn't supply a room_version
// then we will use our configured default to create the room.
// https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-createroom
// Note that the below logic depends on the m.room.create event being the
// first event that is persisted to the database when creating or joining a
// room.
var roomVersion gomatrixserverlib.RoomVersion
if roomVersion, err = extractRoomVersionFromCreateEvent(event); err != nil {
return 0, types.StateAtEvent{}, err
}
if roomNID, err = d.assignRoomNID(ctx, nil, event.RoomID(), roomVersion); err != nil {
return 0, types.StateAtEvent{}, err
}
if eventTypeNID, err = d.assignEventTypeNID(ctx, event.Type()); err != nil {
return 0, types.StateAtEvent{}, err
}
eventStateKey := event.StateKey()
// Assigned a numeric ID for the state_key if there is one present.
// Otherwise set the numeric ID for the state_key to 0.
if eventStateKey != nil {
if eventStateKeyNID, err = d.assignStateKeyNID(ctx, nil, *eventStateKey); err != nil {
return 0, types.StateAtEvent{}, err
}
}
if eventNID, stateNID, err = d.events.InsertEvent(
ctx,
nil,
roomNID,
eventTypeNID,
eventStateKeyNID,
event.EventID(),
event.EventReference().EventSHA256,
authEventNIDs,
event.Depth(),
); err != nil {
if err == sql.ErrNoRows {
// We've already inserted the event so select the numeric event ID
eventNID, stateNID, err = d.events.SelectEvent(ctx, nil, event.EventID())
}
if err != nil {
return 0, types.StateAtEvent{}, err
}
}
if err = d.eventJSON.InsertEventJSON(ctx, nil, eventNID, event.JSON()); err != nil {
return 0, types.StateAtEvent{}, err
}
return roomNID, types.StateAtEvent{
BeforeStateSnapshotNID: stateNID,
StateEntry: types.StateEntry{
StateKeyTuple: types.StateKeyTuple{
EventTypeNID: eventTypeNID,
EventStateKeyNID: eventStateKeyNID,
},
EventNID: eventNID,
},
}, nil
}
func extractRoomVersionFromCreateEvent(event gomatrixserverlib.Event) (
gomatrixserverlib.RoomVersion, error,
) {
var err error
var roomVersion gomatrixserverlib.RoomVersion
// Look for m.room.create events.
if event.Type() != gomatrixserverlib.MRoomCreate {
return gomatrixserverlib.RoomVersion(""), nil
}
roomVersion = gomatrixserverlib.RoomVersionV1
var createContent gomatrixserverlib.CreateContent
// The m.room.create event contains an optional "room_version" key in
// the event content, so we need to unmarshal that first.
if err = json.Unmarshal(event.Content(), &createContent); err != nil {
return gomatrixserverlib.RoomVersion(""), err
}
// A room version was specified in the event content?
if createContent.RoomVersion != nil {
roomVersion = gomatrixserverlib.RoomVersion(*createContent.RoomVersion)
}
return roomVersion, err
}
func (d *Database) assignRoomNID( func (d *Database) assignRoomNID(
ctx context.Context, txn *sql.Tx, ctx context.Context, txn *sql.Tx,
roomID string, roomVersion gomatrixserverlib.RoomVersion, roomID string, roomVersion gomatrixserverlib.RoomVersion,
) (types.RoomNID, error) { ) (types.RoomNID, error) {
// Check if we already have a numeric ID in the database. // Check if we already have a numeric ID in the database.
roomNID, err := d.statements.selectRoomNID(ctx, txn, roomID) roomNID, err := d.rooms.SelectRoomNID(ctx, txn, roomID)
if err == sql.ErrNoRows { if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database. // We don't have a numeric ID so insert one into the database.
roomNID, err = d.statements.insertRoomNID(ctx, txn, roomID, roomVersion) roomNID, err = d.rooms.InsertRoomNID(ctx, txn, roomID, roomVersion)
if err == sql.ErrNoRows { if err == sql.ErrNoRows {
// We raced with another insert so run the select again. // We raced with another insert so run the select again.
roomNID, err = d.statements.selectRoomNID(ctx, txn, roomID) roomNID, err = d.rooms.SelectRoomNID(ctx, txn, roomID)
} }
} }
return roomNID, err return roomNID, err
} }
func (d *Database) assignEventTypeNID(
ctx context.Context, eventType string,
) (eventTypeNID types.EventTypeNID, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
// Check if we already have a numeric ID in the database.
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventTypeNID, err = d.eventTypes.InsertEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
}
}
return err
})
return eventTypeNID, err
}
func (d *Database) assignStateKeyNID( func (d *Database) assignStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string, ctx context.Context, txn *sql.Tx, eventStateKey string,
) (types.EventStateKeyNID, error) { ) (types.EventStateKeyNID, error) {
@ -243,38 +122,6 @@ func (d *Database) assignStateKeyNID(
return eventStateKeyNID, err return eventStateKeyNID, err
} }
// Events implements input.EventDatabase
func (d *Database) Events(
ctx context.Context, eventNIDs []types.EventNID,
) ([]types.Event, error) {
eventJSONs, err := d.eventJSON.BulkSelectEventJSON(ctx, eventNIDs)
if err != nil {
return nil, err
}
results := make([]types.Event, len(eventJSONs))
for i, eventJSON := range eventJSONs {
var roomNID types.RoomNID
var roomVersion gomatrixserverlib.RoomVersion
result := &results[i]
result.EventNID = eventJSON.EventNID
roomNID, err = d.events.SelectRoomNIDForEventNID(ctx, nil, eventJSON.EventNID)
if err != nil {
return nil, err
}
roomVersion, err = d.statements.selectRoomVersionForRoomNID(ctx, nil, roomNID)
if err != nil {
return nil, err
}
result.Event, err = gomatrixserverlib.NewEventFromTrustedJSON(
eventJSON.EventJSON, false, roomVersion,
)
if err != nil {
return nil, err
}
}
return results, nil
}
// AddState implements input.EventDatabase // AddState implements input.EventDatabase
func (d *Database) AddState( func (d *Database) AddState(
ctx context.Context, ctx context.Context,
@ -319,7 +166,7 @@ func (d *Database) GetLatestEventsForUpdate(
return nil, err return nil, err
} }
eventNIDs, lastEventNIDSent, currentStateSnapshotNID, err := eventNIDs, lastEventNIDSent, currentStateSnapshotNID, err :=
d.statements.selectLatestEventsNIDsForUpdate(ctx, txn, roomNID) d.rooms.SelectLatestEventsNIDsForUpdate(ctx, txn, roomNID)
if err != nil { if err != nil {
txn.Rollback() // nolint: errcheck txn.Rollback() // nolint: errcheck
return nil, err return nil, err
@ -342,18 +189,6 @@ func (d *Database) GetLatestEventsForUpdate(
}, nil }, nil
} }
// GetTransactionEventID implements input.EventDatabase
func (d *Database) GetTransactionEventID(
ctx context.Context, transactionID string,
sessionID int64, userID string,
) (string, error) {
eventID, err := d.statements.selectTransactionEventID(ctx, transactionID, sessionID, userID)
if err == sql.ErrNoRows {
return "", nil
}
return eventID, err
}
type roomRecentEventsUpdater struct { type roomRecentEventsUpdater struct {
transaction transaction
d *Database d *Database
@ -415,7 +250,7 @@ func (u *roomRecentEventsUpdater) SetLatestEvents(
for i := range latest { for i := range latest {
eventNIDs[i] = latest[i].EventNID eventNIDs[i] = latest[i].EventNID
} }
return u.d.statements.updateLatestEventNIDs(u.ctx, u.txn, roomNID, eventNIDs, lastEventNIDSent, currentStateSnapshotNID) return u.d.rooms.UpdateLatestEventNIDs(u.ctx, u.txn, roomNID, eventNIDs, lastEventNIDSent, currentStateSnapshotNID)
} }
// HasEventBeenSent implements types.RoomRecentEventsUpdater // HasEventBeenSent implements types.RoomRecentEventsUpdater
@ -432,55 +267,6 @@ func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventSta
return u.d.membershipUpdaterTxn(u.ctx, u.txn, u.roomNID, targetUserNID, targetLocal) return u.d.membershipUpdaterTxn(u.ctx, u.txn, u.roomNID, targetUserNID, targetLocal)
} }
// RoomNID implements query.RoomserverQueryAPIDB
func (d *Database) RoomNID(ctx context.Context, roomID string) (types.RoomNID, error) {
roomNID, err := d.statements.selectRoomNID(ctx, nil, roomID)
if err == sql.ErrNoRows {
return 0, nil
}
return roomNID, err
}
// RoomNIDExcludingStubs implements query.RoomserverQueryAPIDB
func (d *Database) RoomNIDExcludingStubs(ctx context.Context, roomID string) (roomNID types.RoomNID, err error) {
roomNID, err = d.RoomNID(ctx, roomID)
if err != nil {
return
}
latestEvents, _, err := d.statements.selectLatestEventNIDs(ctx, roomNID)
if err != nil {
return
}
if len(latestEvents) == 0 {
roomNID = 0
return
}
return
}
// LatestEventIDs implements query.RoomserverQueryAPIDatabase
func (d *Database) LatestEventIDs(
ctx context.Context, roomNID types.RoomNID,
) (references []gomatrixserverlib.EventReference, currentStateSnapshotNID types.StateSnapshotNID, depth int64, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
var eventNIDs []types.EventNID
eventNIDs, currentStateSnapshotNID, err = d.statements.selectLatestEventNIDs(ctx, roomNID)
if err != nil {
return err
}
references, err = d.events.BulkSelectEventReference(ctx, txn, eventNIDs)
if err != nil {
return err
}
depth, err = d.events.SelectMaxEventDepth(ctx, txn, eventNIDs)
if err != nil {
return err
}
return nil
})
return
}
// GetInvitesForUser implements query.RoomserverQueryAPIDatabase // GetInvitesForUser implements query.RoomserverQueryAPIDatabase
func (d *Database) GetInvitesForUser( func (d *Database) GetInvitesForUser(
ctx context.Context, ctx context.Context,
@ -733,37 +519,6 @@ func (d *Database) GetMembershipEventNIDsForRoom(
return d.statements.selectMembershipsFromRoom(ctx, roomNID, localOnly) return d.statements.selectMembershipsFromRoom(ctx, roomNID, localOnly)
} }
// EventsFromIDs implements query.RoomserverQueryAPIEventDB
func (d *Database) EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error) {
nidMap, err := d.EventNIDs(ctx, eventIDs)
if err != nil {
return nil, err
}
var nids []types.EventNID
for _, nid := range nidMap {
nids = append(nids, nid)
}
return d.Events(ctx, nids)
}
func (d *Database) GetRoomVersionForRoom(
ctx context.Context, roomID string,
) (gomatrixserverlib.RoomVersion, error) {
return d.statements.selectRoomVersionForRoomID(
ctx, nil, roomID,
)
}
func (d *Database) GetRoomVersionForRoomNID(
ctx context.Context, roomNID types.RoomNID,
) (gomatrixserverlib.RoomVersion, error) {
return d.statements.selectRoomVersionForRoomNID(
ctx, nil, roomNID,
)
}
type transaction struct { type transaction struct {
ctx context.Context ctx context.Context
txn *sql.Tx txn *sql.Tx

17
roomserver/storage/postgres/transactions_table.go
View file

@ -18,6 +18,8 @@ package postgres
import ( import (
"context" "context"
"database/sql" "database/sql"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
) )
const transactionsSchema = ` const transactionsSchema = `
@ -51,20 +53,21 @@ type transactionStatements struct {
selectTransactionEventIDStmt *sql.Stmt selectTransactionEventIDStmt *sql.Stmt
} }
func (s *transactionStatements) prepare(db *sql.DB) (err error) { func NewPostgresTransactionsTable(db *sql.DB) (tables.Transactions, error) {
_, err = db.Exec(transactionsSchema) s := &transactionStatements{}
_, err := db.Exec(transactionsSchema)
if err != nil { if err != nil {
return return nil, err
} }
return statementList{ return s, statementList{
{&s.insertTransactionStmt, insertTransactionSQL}, {&s.insertTransactionStmt, insertTransactionSQL},
{&s.selectTransactionEventIDStmt, selectTransactionEventIDSQL}, {&s.selectTransactionEventIDStmt, selectTransactionEventIDSQL},
}.prepare(db) }.prepare(db)
} }
func (s *transactionStatements) insertTransaction( func (s *transactionStatements) InsertTransaction(
ctx context.Context, ctx context.Context, txn *sql.Tx,
transactionID string, transactionID string,
sessionID int64, sessionID int64,
userID string, userID string,
@ -76,7 +79,7 @@ func (s *transactionStatements) insertTransaction(
return return
} }
func (s *transactionStatements) selectTransactionEventID( func (s *transactionStatements) SelectTransactionEventID(
ctx context.Context, ctx context.Context,
transactionID string, transactionID string,
sessionID int64, sessionID int64,

301
roomserver/storage/shared/storage.go
View file

@ -2,16 +2,24 @@ package shared
import ( import (
"context" "context"
"database/sql"
"encoding/json"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage/tables" "github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types" "github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
) )
type Database struct { type Database struct {
DB *sql.DB
EventsTable tables.Events EventsTable tables.Events
EventJSONTable tables.EventJSON EventJSONTable tables.EventJSON
EventTypesTable tables.EventTypes EventTypesTable tables.EventTypes
EventStateKeysTable tables.EventStateKeys EventStateKeysTable tables.EventStateKeys
RoomsTable tables.Rooms
TransactionsTable tables.Transactions
} }
// EventTypeNIDs implements state.RoomStateDatabase // EventTypeNIDs implements state.RoomStateDatabase
@ -77,3 +85,296 @@ func (d *Database) EventIDs(
) (map[types.EventNID]string, error) { ) (map[types.EventNID]string, error) {
return d.EventsTable.BulkSelectEventID(ctx, eventNIDs) return d.EventsTable.BulkSelectEventID(ctx, eventNIDs)
} }
// EventsFromIDs implements query.RoomserverQueryAPIEventDB
func (d *Database) EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error) {
nidMap, err := d.EventNIDs(ctx, eventIDs)
if err != nil {
return nil, err
}
var nids []types.EventNID
for _, nid := range nidMap {
nids = append(nids, nid)
}
return d.Events(ctx, nids)
}
// RoomNID implements query.RoomserverQueryAPIDB
func (d *Database) RoomNID(ctx context.Context, roomID string) (types.RoomNID, error) {
roomNID, err := d.RoomsTable.SelectRoomNID(ctx, nil, roomID)
if err == sql.ErrNoRows {
return 0, nil
}
return roomNID, err
}
// RoomNIDExcludingStubs implements query.RoomserverQueryAPIDB
func (d *Database) RoomNIDExcludingStubs(ctx context.Context, roomID string) (roomNID types.RoomNID, err error) {
roomNID, err = d.RoomNID(ctx, roomID)
if err != nil {
return
}
latestEvents, _, err := d.RoomsTable.SelectLatestEventNIDs(ctx, nil, roomNID)
if err != nil {
return
}
if len(latestEvents) == 0 {
roomNID = 0
return
}
return
}
// LatestEventIDs implements query.RoomserverQueryAPIDatabase
func (d *Database) LatestEventIDs(
ctx context.Context, roomNID types.RoomNID,
) (references []gomatrixserverlib.EventReference, currentStateSnapshotNID types.StateSnapshotNID, depth int64, err error) {
err = internal.WithTransaction(d.DB, func(txn *sql.Tx) error {
var eventNIDs []types.EventNID
eventNIDs, currentStateSnapshotNID, err = d.RoomsTable.SelectLatestEventNIDs(ctx, txn, roomNID)
if err != nil {
return err
}
references, err = d.EventsTable.BulkSelectEventReference(ctx, txn, eventNIDs)
if err != nil {
return err
}
depth, err = d.EventsTable.SelectMaxEventDepth(ctx, txn, eventNIDs)
if err != nil {
return err
}
return nil
})
return
}
func (d *Database) GetRoomVersionForRoom(
ctx context.Context, roomID string,
) (gomatrixserverlib.RoomVersion, error) {
return d.RoomsTable.SelectRoomVersionForRoomID(
ctx, nil, roomID,
)
}
func (d *Database) GetRoomVersionForRoomNID(
ctx context.Context, roomNID types.RoomNID,
) (gomatrixserverlib.RoomVersion, error) {
return d.RoomsTable.SelectRoomVersionForRoomNID(
ctx, roomNID,
)
}
// Events implements input.EventDatabase
func (d *Database) Events(
ctx context.Context, eventNIDs []types.EventNID,
) ([]types.Event, error) {
eventJSONs, err := d.EventJSONTable.BulkSelectEventJSON(ctx, eventNIDs)
if err != nil {
return nil, err
}
results := make([]types.Event, len(eventJSONs))
for i, eventJSON := range eventJSONs {
var roomNID types.RoomNID
var roomVersion gomatrixserverlib.RoomVersion
result := &results[i]
result.EventNID = eventJSON.EventNID
roomNID, err = d.EventsTable.SelectRoomNIDForEventNID(ctx, eventJSON.EventNID)
if err != nil {
return nil, err
}
roomVersion, err = d.RoomsTable.SelectRoomVersionForRoomNID(ctx, roomNID)
if err != nil {
return nil, err
}
result.Event, err = gomatrixserverlib.NewEventFromTrustedJSON(
eventJSON.EventJSON, false, roomVersion,
)
if err != nil {
return nil, err
}
}
return results, nil
}
// GetTransactionEventID implements input.EventDatabase
func (d *Database) GetTransactionEventID(
ctx context.Context, transactionID string,
sessionID int64, userID string,
) (string, error) {
eventID, err := d.TransactionsTable.SelectTransactionEventID(ctx, transactionID, sessionID, userID)
if err == sql.ErrNoRows {
return "", nil
}
return eventID, err
}
// StoreEvent implements input.EventDatabase
func (d *Database) StoreEvent(
ctx context.Context, event gomatrixserverlib.Event,
txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID,
) (types.RoomNID, types.StateAtEvent, error) {
var (
roomNID types.RoomNID
eventTypeNID types.EventTypeNID
eventStateKeyNID types.EventStateKeyNID
eventNID types.EventNID
stateNID types.StateSnapshotNID
err error
)
err = internal.WithTransaction(d.DB, func(txn *sql.Tx) error {
if txnAndSessionID != nil {
if err = d.TransactionsTable.InsertTransaction(
ctx, txn, txnAndSessionID.TransactionID,
txnAndSessionID.SessionID, event.Sender(), event.EventID(),
); err != nil {
return err
}
}
// TODO: Here we should aim to have two different code paths for new rooms
// vs existing ones.
// Get the default room version. If the client doesn't supply a room_version
// then we will use our configured default to create the room.
// https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-createroom
// Note that the below logic depends on the m.room.create event being the
// first event that is persisted to the database when creating or joining a
// room.
var roomVersion gomatrixserverlib.RoomVersion
if roomVersion, err = extractRoomVersionFromCreateEvent(event); err != nil {
return err
}
if roomNID, err = d.assignRoomNID(ctx, txn, event.RoomID(), roomVersion); err != nil {
return err
}
if eventTypeNID, err = d.assignEventTypeNID(ctx, txn, event.Type()); err != nil {
return err
}
eventStateKey := event.StateKey()
// Assigned a numeric ID for the state_key if there is one present.
// Otherwise set the numeric ID for the state_key to 0.
if eventStateKey != nil {
if eventStateKeyNID, err = d.assignStateKeyNID(ctx, txn, *eventStateKey); err != nil {
return err
}
}
if eventNID, stateNID, err = d.EventsTable.InsertEvent(
ctx,
txn,
roomNID,
eventTypeNID,
eventStateKeyNID,
event.EventID(),
event.EventReference().EventSHA256,
authEventNIDs,
event.Depth(),
); err != nil {
if err == sql.ErrNoRows {
// We've already inserted the event so select the numeric event ID
eventNID, stateNID, err = d.EventsTable.SelectEvent(ctx, txn, event.EventID())
}
if err != nil {
return err
}
}
if err = d.EventJSONTable.InsertEventJSON(ctx, txn, eventNID, event.JSON()); err != nil {
return err
}
return nil
})
if err != nil {
return 0, types.StateAtEvent{}, err
}
return roomNID, types.StateAtEvent{
BeforeStateSnapshotNID: stateNID,
StateEntry: types.StateEntry{
StateKeyTuple: types.StateKeyTuple{
EventTypeNID: eventTypeNID,
EventStateKeyNID: eventStateKeyNID,
},
EventNID: eventNID,
},
}, nil
}
func (d *Database) assignRoomNID(
ctx context.Context, txn *sql.Tx,
roomID string, roomVersion gomatrixserverlib.RoomVersion,
) (types.RoomNID, error) {
// Check if we already have a numeric ID in the database.
roomNID, err := d.RoomsTable.SelectRoomNID(ctx, txn, roomID)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
roomNID, err = d.RoomsTable.InsertRoomNID(ctx, txn, roomID, roomVersion)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
roomNID, err = d.RoomsTable.SelectRoomNID(ctx, txn, roomID)
}
}
return roomNID, err
}
func (d *Database) assignEventTypeNID(
ctx context.Context, txn *sql.Tx, eventType string,
) (eventTypeNID types.EventTypeNID, err error) {
// Check if we already have a numeric ID in the database.
eventTypeNID, err = d.EventTypesTable.SelectEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventTypeNID, err = d.EventTypesTable.InsertEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventTypeNID, err = d.EventTypesTable.SelectEventTypeNID(ctx, txn, eventType)
}
}
return
}
func (d *Database) assignStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string,
) (types.EventStateKeyNID, error) {
// Check if we already have a numeric ID in the database.
eventStateKeyNID, err := d.EventStateKeysTable.SelectEventStateKeyNID(ctx, txn, eventStateKey)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventStateKeyNID, err = d.EventStateKeysTable.InsertEventStateKeyNID(ctx, txn, eventStateKey)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventStateKeyNID, err = d.EventStateKeysTable.SelectEventStateKeyNID(ctx, txn, eventStateKey)
}
}
return eventStateKeyNID, err
}
func extractRoomVersionFromCreateEvent(event gomatrixserverlib.Event) (
gomatrixserverlib.RoomVersion, error,
) {
var err error
var roomVersion gomatrixserverlib.RoomVersion
// Look for m.room.create events.
if event.Type() != gomatrixserverlib.MRoomCreate {
return gomatrixserverlib.RoomVersion(""), nil
}
roomVersion = gomatrixserverlib.RoomVersionV1
var createContent gomatrixserverlib.CreateContent
// The m.room.create event contains an optional "room_version" key in
// the event content, so we need to unmarshal that first.
if err = json.Unmarshal(event.Content(), &createContent); err != nil {
return gomatrixserverlib.RoomVersion(""), err
}
// A room version was specified in the event content?
if createContent.RoomVersion != nil {
roomVersion = gomatrixserverlib.RoomVersion(*createContent.RoomVersion)
}
return roomVersion, err
}

5
roomserver/storage/sqlite3/events_table.go
View file

@ -469,10 +469,9 @@ func (s *eventStatements) SelectMaxEventDepth(ctx context.Context, txn *sql.Tx,
} }
func (s *eventStatements) SelectRoomNIDForEventNID( func (s *eventStatements) SelectRoomNIDForEventNID(
ctx context.Context, txn *sql.Tx, eventNID types.EventNID, ctx context.Context, eventNID types.EventNID,
) (roomNID types.RoomNID, err error) { ) (roomNID types.RoomNID, err error) {
selectStmt := internal.TxStmt(txn, s.selectRoomNIDForEventNIDStmt) err = s.selectRoomNIDForEventNIDStmt.QueryRowContext(ctx, int64(eventNID)).Scan(&roomNID)
err = selectStmt.QueryRowContext(ctx, int64(eventNID)).Scan(&roomNID)
return return
} }

31
roomserver/storage/sqlite3/rooms_table.go
View file

@ -22,6 +22,7 @@ import (
"errors" "errors"
"github.com/matrix-org/dendrite/internal" "github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types" "github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib"
) )
@ -71,12 +72,13 @@ type roomStatements struct {
selectRoomVersionForRoomNIDStmt *sql.Stmt selectRoomVersionForRoomNIDStmt *sql.Stmt
} }
func (s *roomStatements) prepare(db *sql.DB) (err error) { func NewSqliteRoomsTable(db *sql.DB) (tables.Rooms, error) {
_, err = db.Exec(roomsSchema) s := &roomStatements{}
_, err := db.Exec(roomsSchema)
if err != nil { if err != nil {
return return nil, err
} }
return statementList{ return s, statementList{
{&s.insertRoomNIDStmt, insertRoomNIDSQL}, {&s.insertRoomNIDStmt, insertRoomNIDSQL},
{&s.selectRoomNIDStmt, selectRoomNIDSQL}, {&s.selectRoomNIDStmt, selectRoomNIDSQL},
{&s.selectLatestEventNIDsStmt, selectLatestEventNIDsSQL}, {&s.selectLatestEventNIDsStmt, selectLatestEventNIDsSQL},
@ -87,20 +89,20 @@ func (s *roomStatements) prepare(db *sql.DB) (err error) {
}.prepare(db) }.prepare(db)
} }
func (s *roomStatements) insertRoomNID( func (s *roomStatements) InsertRoomNID(
ctx context.Context, txn *sql.Tx, ctx context.Context, txn *sql.Tx,
roomID string, roomVersion gomatrixserverlib.RoomVersion, roomID string, roomVersion gomatrixserverlib.RoomVersion,
) (types.RoomNID, error) { ) (types.RoomNID, error) {
var err error var err error
insertStmt := internal.TxStmt(txn, s.insertRoomNIDStmt) insertStmt := internal.TxStmt(txn, s.insertRoomNIDStmt)
if _, err = insertStmt.ExecContext(ctx, roomID, roomVersion); err == nil { if _, err = insertStmt.ExecContext(ctx, roomID, roomVersion); err == nil {
return s.selectRoomNID(ctx, txn, roomID) return s.SelectRoomNID(ctx, txn, roomID)
} else { } else {
return types.RoomNID(0), err return types.RoomNID(0), err
} }
} }
func (s *roomStatements) selectRoomNID( func (s *roomStatements) SelectRoomNID(
ctx context.Context, txn *sql.Tx, roomID string, ctx context.Context, txn *sql.Tx, roomID string,
) (types.RoomNID, error) { ) (types.RoomNID, error) {
var roomNID int64 var roomNID int64
@ -109,7 +111,7 @@ func (s *roomStatements) selectRoomNID(
return types.RoomNID(roomNID), err return types.RoomNID(roomNID), err
} }
func (s *roomStatements) selectLatestEventNIDs( func (s *roomStatements) SelectLatestEventNIDs(
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
) ([]types.EventNID, types.StateSnapshotNID, error) { ) ([]types.EventNID, types.StateSnapshotNID, error) {
var eventNIDs []types.EventNID var eventNIDs []types.EventNID
@ -126,7 +128,7 @@ func (s *roomStatements) selectLatestEventNIDs(
return eventNIDs, types.StateSnapshotNID(stateSnapshotNID), nil return eventNIDs, types.StateSnapshotNID(stateSnapshotNID), nil
} }
func (s *roomStatements) selectLatestEventsNIDsForUpdate( func (s *roomStatements) SelectLatestEventsNIDsForUpdate(
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, ctx context.Context, txn *sql.Tx, roomNID types.RoomNID,
) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error) { ) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error) {
var eventNIDs []types.EventNID var eventNIDs []types.EventNID
@ -144,7 +146,7 @@ func (s *roomStatements) selectLatestEventsNIDsForUpdate(
return eventNIDs, types.EventNID(lastEventSentNID), types.StateSnapshotNID(stateSnapshotNID), nil return eventNIDs, types.EventNID(lastEventSentNID), types.StateSnapshotNID(stateSnapshotNID), nil
} }
func (s *roomStatements) updateLatestEventNIDs( func (s *roomStatements) UpdateLatestEventNIDs(
ctx context.Context, ctx context.Context,
txn *sql.Tx, txn *sql.Tx,
roomNID types.RoomNID, roomNID types.RoomNID,
@ -163,7 +165,7 @@ func (s *roomStatements) updateLatestEventNIDs(
return err return err
} }
func (s *roomStatements) selectRoomVersionForRoomID( func (s *roomStatements) SelectRoomVersionForRoomID(
ctx context.Context, txn *sql.Tx, roomID string, ctx context.Context, txn *sql.Tx, roomID string,
) (gomatrixserverlib.RoomVersion, error) { ) (gomatrixserverlib.RoomVersion, error) {
var roomVersion gomatrixserverlib.RoomVersion var roomVersion gomatrixserverlib.RoomVersion
@ -175,12 +177,11 @@ func (s *roomStatements) selectRoomVersionForRoomID(
return roomVersion, err return roomVersion, err
} }
func (s *roomStatements) selectRoomVersionForRoomNID( func (s *roomStatements) SelectRoomVersionForRoomNID(
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, ctx context.Context, roomNID types.RoomNID,
) (gomatrixserverlib.RoomVersion, error) { ) (gomatrixserverlib.RoomVersion, error) {
var roomVersion gomatrixserverlib.RoomVersion var roomVersion gomatrixserverlib.RoomVersion
stmt := internal.TxStmt(txn, s.selectRoomVersionForRoomNIDStmt) err := s.selectRoomVersionForRoomNIDStmt.QueryRowContext(ctx, roomNID).Scan(&roomVersion)
err := stmt.QueryRowContext(ctx, roomNID).Scan(&roomVersion)
if err == sql.ErrNoRows { if err == sql.ErrNoRows {
return roomVersion, errors.New("room not found") return roomVersion, errors.New("room not found")
} }

2
roomserver/storage/sqlite3/sql.go
View file

@ -38,14 +38,12 @@ func (s *statements) prepare(db *sql.DB) error {
var err error var err error
for _, prepare := range []func(db *sql.DB) error{ for _, prepare := range []func(db *sql.DB) error{
s.roomStatements.prepare,
s.stateSnapshotStatements.prepare, s.stateSnapshotStatements.prepare,
s.stateBlockStatements.prepare, s.stateBlockStatements.prepare,
s.previousEventStatements.prepare, s.previousEventStatements.prepare,
s.roomAliasesStatements.prepare, s.roomAliasesStatements.prepare,
s.inviteStatements.prepare, s.inviteStatements.prepare,
s.membershipStatements.prepare, s.membershipStatements.prepare,
s.transactionStatements.prepare,
} { } {
if err = prepare(db); err != nil { if err = prepare(db); err != nil {
return err return err

298
roomserver/storage/sqlite3/storage.go
View file

@ -18,14 +18,12 @@ package sqlite3
import ( import (
"context" "context"
"database/sql" "database/sql"
"encoding/json"
"errors" "errors"
"net/url" "net/url"
"github.com/matrix-org/dendrite/internal/sqlutil" "github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/internal" "github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage/shared" "github.com/matrix-org/dendrite/roomserver/storage/shared"
"github.com/matrix-org/dendrite/roomserver/storage/tables" "github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types" "github.com/matrix-org/dendrite/roomserver/types"
@ -41,6 +39,8 @@ type Database struct {
eventJSON tables.EventJSON eventJSON tables.EventJSON
eventTypes tables.EventTypes eventTypes tables.EventTypes
eventStateKeys tables.EventStateKeys eventStateKeys tables.EventStateKeys
rooms tables.Rooms
transactions tables.Transactions
db *sql.DB db *sql.DB
} }
@ -89,163 +89,38 @@ func Open(dataSourceName string) (*Database, error) {
if err != nil { if err != nil {
return nil, err return nil, err
} }
d.rooms, err = NewSqliteRoomsTable(d.db)
if err != nil {
return nil, err
}
d.transactions, err = NewSqliteTransactionsTable(d.db)
if err != nil {
return nil, err
}
d.Database = shared.Database{ d.Database = shared.Database{
DB: d.db,
EventsTable: d.events, EventsTable: d.events,
EventTypesTable: d.eventTypes, EventTypesTable: d.eventTypes,
EventStateKeysTable: d.eventStateKeys, EventStateKeysTable: d.eventStateKeys,
EventJSONTable: d.eventJSON, EventJSONTable: d.eventJSON,
RoomsTable: d.rooms,
TransactionsTable: d.transactions,
} }
return &d, nil return &d, nil
} }
// StoreEvent implements input.EventDatabase
func (d *Database) StoreEvent(
ctx context.Context, event gomatrixserverlib.Event,
txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID,
) (types.RoomNID, types.StateAtEvent, error) {
var (
roomNID types.RoomNID
eventTypeNID types.EventTypeNID
eventStateKeyNID types.EventStateKeyNID
eventNID types.EventNID
stateNID types.StateSnapshotNID
err error
)
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
if txnAndSessionID != nil {
if err = d.statements.insertTransaction(
ctx, txn, txnAndSessionID.TransactionID,
txnAndSessionID.SessionID, event.Sender(), event.EventID(),
); err != nil {
return err
}
}
// TODO: Here we should aim to have two different code paths for new rooms
// vs existing ones.
// Get the default room version. If the client doesn't supply a room_version
// then we will use our configured default to create the room.
// https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-createroom
// Note that the below logic depends on the m.room.create event being the
// first event that is persisted to the database when creating or joining a
// room.
var roomVersion gomatrixserverlib.RoomVersion
if roomVersion, err = extractRoomVersionFromCreateEvent(event); err != nil {
return err
}
if roomNID, err = d.assignRoomNID(ctx, txn, event.RoomID(), roomVersion); err != nil {
return err
}
if eventTypeNID, err = d.assignEventTypeNID(ctx, txn, event.Type()); err != nil {
return err
}
eventStateKey := event.StateKey()
// Assigned a numeric ID for the state_key if there is one present.
// Otherwise set the numeric ID for the state_key to 0.
if eventStateKey != nil {
if eventStateKeyNID, err = d.assignStateKeyNID(ctx, txn, *eventStateKey); err != nil {
return err
}
}
if eventNID, stateNID, err = d.events.InsertEvent(
ctx,
txn,
roomNID,
eventTypeNID,
eventStateKeyNID,
event.EventID(),
event.EventReference().EventSHA256,
authEventNIDs,
event.Depth(),
); err != nil {
if err == sql.ErrNoRows {
// We've already inserted the event so select the numeric event ID
eventNID, stateNID, err = d.events.SelectEvent(ctx, txn, event.EventID())
}
if err != nil {
return err
}
}
if err = d.eventJSON.InsertEventJSON(ctx, txn, eventNID, event.JSON()); err != nil {
return err
}
return nil
})
if err != nil {
return 0, types.StateAtEvent{}, err
}
return roomNID, types.StateAtEvent{
BeforeStateSnapshotNID: stateNID,
StateEntry: types.StateEntry{
StateKeyTuple: types.StateKeyTuple{
EventTypeNID: eventTypeNID,
EventStateKeyNID: eventStateKeyNID,
},
EventNID: eventNID,
},
}, nil
}
func extractRoomVersionFromCreateEvent(event gomatrixserverlib.Event) (
gomatrixserverlib.RoomVersion, error,
) {
var err error
var roomVersion gomatrixserverlib.RoomVersion
// Look for m.room.create events.
if event.Type() != gomatrixserverlib.MRoomCreate {
return gomatrixserverlib.RoomVersion(""), nil
}
roomVersion = gomatrixserverlib.RoomVersionV1
var createContent gomatrixserverlib.CreateContent
// The m.room.create event contains an optional "room_version" key in
// the event content, so we need to unmarshal that first.
if err = json.Unmarshal(event.Content(), &createContent); err != nil {
return gomatrixserverlib.RoomVersion(""), err
}
// A room version was specified in the event content?
if createContent.RoomVersion != nil {
roomVersion = gomatrixserverlib.RoomVersion(*createContent.RoomVersion)
}
return roomVersion, err
}
func (d *Database) assignRoomNID( func (d *Database) assignRoomNID(
ctx context.Context, txn *sql.Tx, ctx context.Context, txn *sql.Tx,
roomID string, roomVersion gomatrixserverlib.RoomVersion, roomID string, roomVersion gomatrixserverlib.RoomVersion,
) (roomNID types.RoomNID, err error) { ) (roomNID types.RoomNID, err error) {
// Check if we already have a numeric ID in the database. // Check if we already have a numeric ID in the database.
roomNID, err = d.statements.selectRoomNID(ctx, txn, roomID) roomNID, err = d.rooms.SelectRoomNID(ctx, txn, roomID)
if err == sql.ErrNoRows { if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database. // We don't have a numeric ID so insert one into the database.
roomNID, err = d.statements.insertRoomNID(ctx, txn, roomID, roomVersion) roomNID, err = d.rooms.InsertRoomNID(ctx, txn, roomID, roomVersion)
if err == nil { if err == nil {
// Now get the numeric ID back out of the database // Now get the numeric ID back out of the database
roomNID, err = d.statements.selectRoomNID(ctx, txn, roomID) roomNID, err = d.rooms.SelectRoomNID(ctx, txn, roomID)
}
}
return
}
func (d *Database) assignEventTypeNID(
ctx context.Context, txn *sql.Tx, eventType string,
) (eventTypeNID types.EventTypeNID, err error) {
// Check if we already have a numeric ID in the database.
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventTypeNID, err = d.eventTypes.InsertEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
} }
} }
return return
@ -267,47 +142,6 @@ func (d *Database) assignStateKeyNID(
return return
} }
// Events implements input.EventDatabase
func (d *Database) Events(
ctx context.Context, eventNIDs []types.EventNID,
) ([]types.Event, error) {
var eventJSONs []tables.EventJSONPair
var err error
var results []types.Event
eventJSONs, err = d.eventJSON.BulkSelectEventJSON(ctx, eventNIDs)
if err != nil || len(eventJSONs) == 0 {
return nil, nil
}
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
results = make([]types.Event, len(eventJSONs))
for i, eventJSON := range eventJSONs {
var roomNID types.RoomNID
var roomVersion gomatrixserverlib.RoomVersion
result := &results[i]
result.EventNID = eventJSON.EventNID
roomNID, err = d.events.SelectRoomNIDForEventNID(ctx, txn, eventJSON.EventNID)
if err != nil {
return err
}
roomVersion, err = d.statements.selectRoomVersionForRoomNID(ctx, txn, roomNID)
if err != nil {
return err
}
result.Event, err = gomatrixserverlib.NewEventFromTrustedJSON(
eventJSON.EventJSON, false, roomVersion,
)
if err != nil {
return nil
}
}
return nil
})
if err != nil {
return []types.Event{}, err
}
return results, nil
}
// AddState implements input.EventDatabase // AddState implements input.EventDatabase
func (d *Database) AddState( func (d *Database) AddState(
ctx context.Context, ctx context.Context,
@ -364,7 +198,7 @@ func (d *Database) GetLatestEventsForUpdate(
return nil, err return nil, err
} }
eventNIDs, lastEventNIDSent, currentStateSnapshotNID, err := eventNIDs, lastEventNIDSent, currentStateSnapshotNID, err :=
d.statements.selectLatestEventsNIDsForUpdate(ctx, txn, roomNID) d.rooms.SelectLatestEventsNIDsForUpdate(ctx, txn, roomNID)
if err != nil { if err != nil {
txn.Rollback() // nolint: errcheck txn.Rollback() // nolint: errcheck
return nil, err return nil, err
@ -396,18 +230,6 @@ func (d *Database) GetLatestEventsForUpdate(
}, nil }, nil
} }
// GetTransactionEventID implements input.EventDatabase
func (d *Database) GetTransactionEventID(
ctx context.Context, transactionID string,
sessionID int64, userID string,
) (string, error) {
eventID, err := d.statements.selectTransactionEventID(ctx, nil, transactionID, sessionID, userID)
if err == sql.ErrNoRows {
return "", nil
}
return eventID, err
}
type roomRecentEventsUpdater struct { type roomRecentEventsUpdater struct {
transaction transaction
d *Database d *Database
@ -478,7 +300,7 @@ func (u *roomRecentEventsUpdater) SetLatestEvents(
for i := range latest { for i := range latest {
eventNIDs[i] = latest[i].EventNID eventNIDs[i] = latest[i].EventNID
} }
return u.d.statements.updateLatestEventNIDs(u.ctx, txn, roomNID, eventNIDs, lastEventNIDSent, currentStateSnapshotNID) return u.d.rooms.UpdateLatestEventNIDs(u.ctx, txn, roomNID, eventNIDs, lastEventNIDSent, currentStateSnapshotNID)
}) })
return err return err
} }
@ -508,59 +330,6 @@ func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventSta
return return
} }
// RoomNID implements query.RoomserverQueryAPIDB
func (d *Database) RoomNID(ctx context.Context, roomID string) (roomNID types.RoomNID, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
roomNID, err = d.statements.selectRoomNID(ctx, txn, roomID)
if err == sql.ErrNoRows {
roomNID = 0
err = nil
}
return err
})
return
}
// RoomNIDExcludingStubs implements query.RoomserverQueryAPIDB
func (d *Database) RoomNIDExcludingStubs(ctx context.Context, roomID string) (roomNID types.RoomNID, err error) {
roomNID, err = d.RoomNID(ctx, roomID)
if err != nil {
return
}
latestEvents, _, err := d.statements.selectLatestEventNIDs(ctx, nil, roomNID)
if err != nil {
return
}
if len(latestEvents) == 0 {
roomNID = 0
return
}
return
}
// LatestEventIDs implements query.RoomserverQueryAPIDatabase
func (d *Database) LatestEventIDs(
ctx context.Context, roomNID types.RoomNID,
) (references []gomatrixserverlib.EventReference, currentStateSnapshotNID types.StateSnapshotNID, depth int64, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
var eventNIDs []types.EventNID
eventNIDs, currentStateSnapshotNID, err = d.statements.selectLatestEventNIDs(ctx, txn, roomNID)
if err != nil {
return err
}
references, err = d.events.BulkSelectEventReference(ctx, txn, eventNIDs)
if err != nil {
return err
}
depth, err = d.events.SelectMaxEventDepth(ctx, txn, eventNIDs)
if err != nil {
return err
}
return nil
})
return
}
// GetInvitesForUser implements query.RoomserverQueryAPIDatabase // GetInvitesForUser implements query.RoomserverQueryAPIDatabase
func (d *Database) GetInvitesForUser( func (d *Database) GetInvitesForUser(
ctx context.Context, ctx context.Context,
@ -844,37 +613,6 @@ func (d *Database) GetMembershipEventNIDsForRoom(
return return
} }
// EventsFromIDs implements query.RoomserverQueryAPIEventDB
func (d *Database) EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error) {
nidMap, err := d.EventNIDs(ctx, eventIDs)
if err != nil {
return nil, err
}
var nids []types.EventNID
for _, nid := range nidMap {
nids = append(nids, nid)
}
return d.Events(ctx, nids)
}
func (d *Database) GetRoomVersionForRoom(
ctx context.Context, roomID string,
) (gomatrixserverlib.RoomVersion, error) {
return d.statements.selectRoomVersionForRoomID(
ctx, nil, roomID,
)
}
func (d *Database) GetRoomVersionForRoomNID(
ctx context.Context, roomNID types.RoomNID,
) (gomatrixserverlib.RoomVersion, error) {
return d.statements.selectRoomVersionForRoomNID(
ctx, nil, roomNID,
)
}
type transaction struct { type transaction struct {
ctx context.Context ctx context.Context
txn *sql.Tx txn *sql.Tx

19
roomserver/storage/sqlite3/transactions_table.go
View file

@ -20,6 +20,7 @@ import (
"database/sql" "database/sql"
"github.com/matrix-org/dendrite/internal" "github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
) )
const transactionsSchema = ` const transactionsSchema = `
@ -46,19 +47,20 @@ type transactionStatements struct {
selectTransactionEventIDStmt *sql.Stmt selectTransactionEventIDStmt *sql.Stmt
} }
func (s *transactionStatements) prepare(db *sql.DB) (err error) { func NewSqliteTransactionsTable(db *sql.DB) (tables.Transactions, error) {
_, err = db.Exec(transactionsSchema) s := &transactionStatements{}
_, err := db.Exec(transactionsSchema)
if err != nil { if err != nil {
return return nil, err
} }
return statementList{ return s, statementList{
{&s.insertTransactionStmt, insertTransactionSQL}, {&s.insertTransactionStmt, insertTransactionSQL},
{&s.selectTransactionEventIDStmt, selectTransactionEventIDSQL}, {&s.selectTransactionEventIDStmt, selectTransactionEventIDSQL},
}.prepare(db) }.prepare(db)
} }
func (s *transactionStatements) insertTransaction( func (s *transactionStatements) InsertTransaction(
ctx context.Context, txn *sql.Tx, ctx context.Context, txn *sql.Tx,
transactionID string, transactionID string,
sessionID int64, sessionID int64,
@ -72,14 +74,13 @@ func (s *transactionStatements) insertTransaction(
return return
} }
func (s *transactionStatements) selectTransactionEventID( func (s *transactionStatements) SelectTransactionEventID(
ctx context.Context, txn *sql.Tx, ctx context.Context,
transactionID string, transactionID string,
sessionID int64, sessionID int64,
userID string, userID string,
) (eventID string, err error) { ) (eventID string, err error) {
stmt := internal.TxStmt(txn, s.selectTransactionEventIDStmt) err = s.selectTransactionEventIDStmt.QueryRowContext(
err = stmt.QueryRowContext(
ctx, transactionID, sessionID, userID, ctx, transactionID, sessionID, userID,
).Scan(&eventID) ).Scan(&eventID)
return return

17
roomserver/storage/tables/interface.go
View file

@ -53,5 +53,20 @@ type Events interface {
// If an event ID is not in the database then it is omitted from the map. // If an event ID is not in the database then it is omitted from the map.
BulkSelectEventNID(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error) BulkSelectEventNID(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error)
SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error) SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error)
SelectRoomNIDForEventNID(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) (roomNID types.RoomNID, err error) SelectRoomNIDForEventNID(ctx context.Context, eventNID types.EventNID) (roomNID types.RoomNID, err error)
}
type Rooms interface {
InsertRoomNID(ctx context.Context, txn *sql.Tx, roomID string, roomVersion gomatrixserverlib.RoomVersion) (types.RoomNID, error)
SelectRoomNID(ctx context.Context, txn *sql.Tx, roomID string) (types.RoomNID, error)
SelectLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.StateSnapshotNID, error)
SelectLatestEventsNIDsForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error)
UpdateLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventNIDs []types.EventNID, lastEventSentNID types.EventNID, stateSnapshotNID types.StateSnapshotNID) error
SelectRoomVersionForRoomID(ctx context.Context, txn *sql.Tx, roomID string) (gomatrixserverlib.RoomVersion, error)
SelectRoomVersionForRoomNID(ctx context.Context, roomNID types.RoomNID) (gomatrixserverlib.RoomVersion, error)
}
type Transactions interface {
InsertTransaction(ctx context.Context, txn *sql.Tx, transactionID string, sessionID int64, userID string, eventID string) error
SelectTransactionEventID(ctx context.Context, transactionID string, sessionID int64, userID string) (eventID string, err error)
} }