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Simplify send-to-device messaging (#1702)

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* Simplify send-to-device messaging

* Don't return error if there's no work to do

* Remove SQLite migrations for now

* Tweak Postgres migrations

* Tweaks

* Fixes

* Cleanup separately

* Fix SQLite migration
This commit is contained in:
Neil Alexander 2021-01-13 17:29:46 +00:00 committed by GitHub
parent bb9e6a1281
commit d8fba52e97
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 248 additions and 254 deletions
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25
syncapi/storage/interface.go
View file

@ -33,6 +33,7 @@ type Database interface {
MaxStreamPositionForReceipts(ctx context.Context) (types.StreamPosition, error)
MaxStreamPositionForInvites(ctx context.Context) (types.StreamPosition, error)
MaxStreamPositionForAccountData(ctx context.Context) (types.StreamPosition, error)
MaxStreamPositionForSendToDeviceMessages(ctx context.Context) (types.StreamPosition, error)
CurrentState(ctx context.Context, roomID string, stateFilterPart *gomatrixserverlib.StateFilter) ([]*gomatrixserverlib.HeaderedEvent, error)
GetStateDeltasForFullStateSync(ctx context.Context, device *userapi.Device, r types.Range, userID string, stateFilter *gomatrixserverlib.StateFilter) ([]types.StateDelta, []string, error)
@ -117,26 +118,14 @@ type Database interface {
// matches the streamevent.transactionID device then the transaction ID gets
// added to the unsigned section of the output event.
StreamEventsToEvents(device *userapi.Device, in []types.StreamEvent) []*gomatrixserverlib.HeaderedEvent
// SendToDeviceUpdatesForSync returns a list of send-to-device updates. It returns three lists:
// - "events": a list of send-to-device events that should be included in the sync
// - "changes": a list of send-to-device events that should be updated in the database by
// CleanSendToDeviceUpdates
// - "deletions": a list of send-to-device events which have been confirmed as sent and
// can be deleted altogether by CleanSendToDeviceUpdates
// The token supplied should be the current requested sync token, e.g. from the "since"
// parameter.
SendToDeviceUpdatesForSync(ctx context.Context, userID, deviceID string, token types.StreamingToken) (pos types.StreamPosition, events []types.SendToDeviceEvent, changes []types.SendToDeviceNID, deletions []types.SendToDeviceNID, err error)
// SendToDeviceUpdatesForSync returns a list of send-to-device updates. It returns the
// relevant events within the given ranges for the supplied user ID and device ID.
SendToDeviceUpdatesForSync(ctx context.Context, userID, deviceID string, from, to types.StreamPosition) (pos types.StreamPosition, events []types.SendToDeviceEvent, err error)
// StoreNewSendForDeviceMessage stores a new send-to-device event for a user's device.
StoreNewSendForDeviceMessage(ctx context.Context, userID, deviceID string, event gomatrixserverlib.SendToDeviceEvent) (types.StreamPosition, error)
// CleanSendToDeviceUpdates will update or remove any send-to-device updates based on the
// result to a previous call to SendDeviceUpdatesForSync. This is separate as it allows
// SendToDeviceUpdatesForSync to be called multiple times if needed (e.g. before and after
// starting to wait for an incremental sync with timeout).
// The token supplied should be the current requested sync token, e.g. from the "since"
// parameter.
CleanSendToDeviceUpdates(ctx context.Context, toUpdate, toDelete []types.SendToDeviceNID, token types.StreamingToken) (err error)
// SendToDeviceUpdatesWaiting returns true if there are send-to-device updates waiting to be sent.
SendToDeviceUpdatesWaiting(ctx context.Context, userID, deviceID string) (bool, error)
// CleanSendToDeviceUpdates removes all send-to-device messages BEFORE the specified
// from position, preventing the send-to-device table from growing indefinitely.
CleanSendToDeviceUpdates(ctx context.Context, userID, deviceID string, before types.StreamPosition) (err error)
// GetFilter looks up the filter associated with a given local user and filter ID.
// Returns a filter structure. Otherwise returns an error if no such filter exists
// or if there was an error talking to the database.

1
syncapi/storage/postgres/deltas/20201211125500_sequences.go
View file

@ -24,6 +24,7 @@ import (
func LoadFromGoose() {
goose.AddMigration(UpFixSequences, DownFixSequences)
goose.AddMigration(UpRemoveSendToDeviceSentColumn, DownRemoveSendToDeviceSentColumn)
}
func LoadFixSequences(m *sqlutil.Migrations) {

48
syncapi/storage/postgres/deltas/20210112130000_sendtodevice_sentcolumn.go Normal file
View file

@ -0,0 +1,48 @@
// Copyright 2021 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 deltas
import (
"database/sql"
"fmt"
"github.com/matrix-org/dendrite/internal/sqlutil"
)
func LoadRemoveSendToDeviceSentColumn(m *sqlutil.Migrations) {
m.AddMigration(UpRemoveSendToDeviceSentColumn, DownRemoveSendToDeviceSentColumn)
}
func UpRemoveSendToDeviceSentColumn(tx *sql.Tx) error {
_, err := tx.Exec(`
ALTER TABLE syncapi_send_to_device
DROP COLUMN IF EXISTS sent_by_token;
`)
if err != nil {
return fmt.Errorf("failed to execute upgrade: %w", err)
}
return nil
}
func DownRemoveSendToDeviceSentColumn(tx *sql.Tx) error {
_, err := tx.Exec(`
ALTER TABLE syncapi_send_to_device
ADD COLUMN IF NOT EXISTS sent_by_token TEXT;
`)
if err != nil {
return fmt.Errorf("failed to execute downgrade: %w", err)
}
return nil
}

91
syncapi/storage/postgres/send_to_device_table.go
View file

@ -19,7 +19,6 @@ import (
"database/sql"
"encoding/json"
"github.com/lib/pq"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
@ -38,11 +37,7 @@ CREATE TABLE IF NOT EXISTS syncapi_send_to_device (
-- The device ID to send the message to.
device_id TEXT NOT NULL,
-- The event content JSON.
content TEXT NOT NULL,
-- The token that was supplied to the /sync at the time that this
-- message was included in a sync response, or NULL if we haven't
-- included it in a /sync response yet.
sent_by_token TEXT
content TEXT NOT NULL
);
`
@ -52,34 +47,26 @@ const insertSendToDeviceMessageSQL = `
RETURNING id
`
const countSendToDeviceMessagesSQL = `
SELECT COUNT(*)
FROM syncapi_send_to_device
WHERE user_id = $1 AND device_id = $2
`
const selectSendToDeviceMessagesSQL = `
SELECT id, user_id, device_id, content, sent_by_token
SELECT id, user_id, device_id, content
FROM syncapi_send_to_device
WHERE user_id = $1 AND device_id = $2
WHERE user_id = $1 AND device_id = $2 AND id > $3 AND id <= $4
ORDER BY id DESC
`
const updateSentSendToDeviceMessagesSQL = `
UPDATE syncapi_send_to_device SET sent_by_token = $1
WHERE id = ANY($2)
const deleteSendToDeviceMessagesSQL = `
DELETE FROM syncapi_send_to_device
WHERE user_id = $1 AND device_id = $2 AND id < $3
`
const deleteSendToDeviceMessagesSQL = `
DELETE FROM syncapi_send_to_device WHERE id = ANY($1)
`
const selectMaxSendToDeviceIDSQL = "" +
"SELECT MAX(id) FROM syncapi_send_to_device"
type sendToDeviceStatements struct {
insertSendToDeviceMessageStmt *sql.Stmt
countSendToDeviceMessagesStmt *sql.Stmt
selectSendToDeviceMessagesStmt *sql.Stmt
updateSentSendToDeviceMessagesStmt *sql.Stmt
deleteSendToDeviceMessagesStmt *sql.Stmt
selectMaxSendToDeviceIDStmt *sql.Stmt
}
func NewPostgresSendToDeviceTable(db *sql.DB) (tables.SendToDevice, error) {
@ -91,16 +78,13 @@ func NewPostgresSendToDeviceTable(db *sql.DB) (tables.SendToDevice, error) {
if s.insertSendToDeviceMessageStmt, err = db.Prepare(insertSendToDeviceMessageSQL); err != nil {
return nil, err
}
if s.countSendToDeviceMessagesStmt, err = db.Prepare(countSendToDeviceMessagesSQL); err != nil {
return nil, err
}
if s.selectSendToDeviceMessagesStmt, err = db.Prepare(selectSendToDeviceMessagesSQL); err != nil {
return nil, err
}
if s.updateSentSendToDeviceMessagesStmt, err = db.Prepare(updateSentSendToDeviceMessagesSQL); err != nil {
if s.deleteSendToDeviceMessagesStmt, err = db.Prepare(deleteSendToDeviceMessagesSQL); err != nil {
return nil, err
}
if s.deleteSendToDeviceMessagesStmt, err = db.Prepare(deleteSendToDeviceMessagesSQL); err != nil {
if s.selectMaxSendToDeviceIDStmt, err = db.Prepare(selectMaxSendToDeviceIDSQL); err != nil {
return nil, err
}
return s, nil
@ -113,64 +97,55 @@ func (s *sendToDeviceStatements) InsertSendToDeviceMessage(
return
}
func (s *sendToDeviceStatements) CountSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, userID, deviceID string,
) (count int, err error) {
row := sqlutil.TxStmt(txn, s.countSendToDeviceMessagesStmt).QueryRowContext(ctx, userID, deviceID)
if err = row.Scan(&count); err != nil {
return
}
return count, nil
}
func (s *sendToDeviceStatements) SelectSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, userID, deviceID string,
ctx context.Context, txn *sql.Tx, userID, deviceID string, from, to types.StreamPosition,
) (lastPos types.StreamPosition, events []types.SendToDeviceEvent, err error) {
rows, err := sqlutil.TxStmt(txn, s.selectSendToDeviceMessagesStmt).QueryContext(ctx, userID, deviceID)
rows, err := sqlutil.TxStmt(txn, s.selectSendToDeviceMessagesStmt).QueryContext(ctx, userID, deviceID, from, to)
if err != nil {
return
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectSendToDeviceMessages: rows.close() failed")
for rows.Next() {
var id types.SendToDeviceNID
var id types.StreamPosition
var userID, deviceID, content string
var sentByToken *string
if err = rows.Scan(&id, &userID, &deviceID, &content, &sentByToken); err != nil {
if err = rows.Scan(&id, &userID, &deviceID, &content); err != nil {
return
}
if id > lastPos {
lastPos = id
}
event := types.SendToDeviceEvent{
ID: id,
UserID: userID,
DeviceID: deviceID,
}
if err = json.Unmarshal([]byte(content), &event.SendToDeviceEvent); err != nil {
return
}
if sentByToken != nil {
if token, err := types.NewStreamTokenFromString(*sentByToken); err == nil {
event.SentByToken = &token
}
continue
}
events = append(events, event)
if types.StreamPosition(id) > lastPos {
lastPos = types.StreamPosition(id)
}
if lastPos == 0 {
lastPos = to
}
return lastPos, events, rows.Err()
}
func (s *sendToDeviceStatements) UpdateSentSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, token string, nids []types.SendToDeviceNID,
func (s *sendToDeviceStatements) DeleteSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, userID, deviceID string, pos types.StreamPosition,
) (err error) {
_, err = sqlutil.TxStmt(txn, s.updateSentSendToDeviceMessagesStmt).ExecContext(ctx, token, pq.Array(nids))
_, err = sqlutil.TxStmt(txn, s.deleteSendToDeviceMessagesStmt).ExecContext(ctx, userID, deviceID, pos)
return
}
func (s *sendToDeviceStatements) DeleteSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, nids []types.SendToDeviceNID,
) (err error) {
_, err = sqlutil.TxStmt(txn, s.deleteSendToDeviceMessagesStmt).ExecContext(ctx, pq.Array(nids))
func (s *sendToDeviceStatements) SelectMaxSendToDeviceMessageID(
ctx context.Context, txn *sql.Tx,
) (id int64, err error) {
var nullableID sql.NullInt64
stmt := sqlutil.TxStmt(txn, s.selectMaxSendToDeviceIDStmt)
err = stmt.QueryRowContext(ctx).Scan(&nullableID)
if nullableID.Valid {
id = nullableID.Int64
}
return
}

1
syncapi/storage/postgres/syncserver.go
View file

@ -89,6 +89,7 @@ func NewDatabase(dbProperties *config.DatabaseOptions) (*SyncServerDatasource, e
}
m := sqlutil.NewMigrations()
deltas.LoadFixSequences(m)
deltas.LoadRemoveSendToDeviceSentColumn(m)
if err = m.RunDeltas(d.db, dbProperties); err != nil {
return nil, err
}

111
syncapi/storage/shared/syncserver.go
View file

@ -29,6 +29,7 @@ import (
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/sirupsen/logrus"
log "github.com/sirupsen/logrus"
)
@ -85,6 +86,14 @@ func (d *Database) MaxStreamPositionForInvites(ctx context.Context) (types.Strea
return types.StreamPosition(id), nil
}
func (d *Database) MaxStreamPositionForSendToDeviceMessages(ctx context.Context) (types.StreamPosition, error) {
id, err := d.SendToDevice.SelectMaxSendToDeviceMessageID(ctx, nil)
if err != nil {
return 0, fmt.Errorf("d.SendToDevice.SelectMaxSendToDeviceMessageID: %w", err)
}
return types.StreamPosition(id), nil
}
func (d *Database) MaxStreamPositionForAccountData(ctx context.Context) (types.StreamPosition, error) {
id, err := d.AccountData.SelectMaxAccountDataID(ctx, nil)
if err != nil {
@ -168,30 +177,6 @@ func (d *Database) GetEventsInStreamingRange(
return events, err
}
/*
func (d *Database) AddTypingUser(
userID, roomID string, expireTime *time.Time,
) types.StreamPosition {
return types.StreamPosition(d.EDUCache.AddTypingUser(userID, roomID, expireTime))
}
func (d *Database) RemoveTypingUser(
userID, roomID string,
) types.StreamPosition {
return types.StreamPosition(d.EDUCache.RemoveUser(userID, roomID))
}
func (d *Database) SetTypingTimeoutCallback(fn cache.TimeoutCallbackFn) {
d.EDUCache.SetTimeoutCallback(fn)
}
*/
/*
func (d *Database) AddSendToDevice() types.StreamPosition {
return types.StreamPosition(d.EDUCache.AddSendToDeviceMessage())
}
*/
func (d *Database) AllJoinedUsersInRooms(ctx context.Context) (map[string][]string, error) {
return d.CurrentRoomState.SelectJoinedUsers(ctx)
}
@ -891,16 +876,6 @@ func (d *Database) currentStateStreamEventsForRoom(
return s, nil
}
func (d *Database) SendToDeviceUpdatesWaiting(
ctx context.Context, userID, deviceID string,
) (bool, error) {
count, err := d.SendToDevice.CountSendToDeviceMessages(ctx, nil, userID, deviceID)
if err != nil {
return false, err
}
return count > 0, nil
}
func (d *Database) StoreNewSendForDeviceMessage(
ctx context.Context, userID, deviceID string, event gomatrixserverlib.SendToDeviceEvent,
) (newPos types.StreamPosition, err error) {
@ -919,77 +894,37 @@ func (d *Database) StoreNewSendForDeviceMessage(
if err != nil {
return 0, err
}
return 0, nil
return newPos, nil
}
func (d *Database) SendToDeviceUpdatesForSync(
ctx context.Context,
userID, deviceID string,
token types.StreamingToken,
) (types.StreamPosition, []types.SendToDeviceEvent, []types.SendToDeviceNID, []types.SendToDeviceNID, error) {
from, to types.StreamPosition,
) (types.StreamPosition, []types.SendToDeviceEvent, error) {
// First of all, get our send-to-device updates for this user.
lastPos, events, err := d.SendToDevice.SelectSendToDeviceMessages(ctx, nil, userID, deviceID)
lastPos, events, err := d.SendToDevice.SelectSendToDeviceMessages(ctx, nil, userID, deviceID, from, to)
if err != nil {
return 0, nil, nil, nil, fmt.Errorf("d.SendToDevice.SelectSendToDeviceMessages: %w", err)
return from, nil, fmt.Errorf("d.SendToDevice.SelectSendToDeviceMessages: %w", err)
}
// If there's nothing to do then stop here.
if len(events) == 0 {
return 0, nil, nil, nil, nil
return to, nil, nil
}
// Work out whether we need to update any of the database entries.
toReturn := []types.SendToDeviceEvent{}
toUpdate := []types.SendToDeviceNID{}
toDelete := []types.SendToDeviceNID{}
for _, event := range events {
if event.SentByToken == nil {
// If the event has no sent-by token yet then we haven't attempted to send
// it. Record the current requested sync token in the database.
toUpdate = append(toUpdate, event.ID)
toReturn = append(toReturn, event)
event.SentByToken = &token
} else if token.IsAfter(*event.SentByToken) {
// The event had a sync token, therefore we've sent it before. The current
// sync token is now after the stored one so we can assume that the client
// successfully completed the previous sync (it would re-request it otherwise)
// so we can remove the entry from the database.
toDelete = append(toDelete, event.ID)
} else {
// It looks like the sync is being re-requested, maybe it timed out or
// failed. Re-send any that should have been acknowledged by now.
toReturn = append(toReturn, event)
}
}
return lastPos, toReturn, toUpdate, toDelete, nil
return lastPos, events, nil
}
func (d *Database) CleanSendToDeviceUpdates(
ctx context.Context,
toUpdate, toDelete []types.SendToDeviceNID,
token types.StreamingToken,
userID, deviceID string, before types.StreamPosition,
) (err error) {
if len(toUpdate) == 0 && len(toDelete) == 0 {
if err = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
return d.SendToDevice.DeleteSendToDeviceMessages(ctx, txn, userID, deviceID, before)
}); err != nil {
logrus.WithError(err).Errorf("Failed to clean up old send-to-device messages for user %q device %q", userID, deviceID)
return err
}
return nil
}
// If we need to write to the database then we'll ask the SendToDeviceWriter to
// do that for us. It'll guarantee that we don't lock the table for writes in
// more than one place.
err = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
// Delete any send-to-device messages marked for deletion.
if e := d.SendToDevice.DeleteSendToDeviceMessages(ctx, txn, toDelete); e != nil {
return fmt.Errorf("d.SendToDevice.DeleteSendToDeviceMessages: %w", e)
}
// Now update any outstanding send-to-device messages with the new sync token.
if e := d.SendToDevice.UpdateSentSendToDeviceMessages(ctx, txn, token.String(), toUpdate); e != nil {
return fmt.Errorf("d.SendToDevice.UpdateSentSendToDeviceMessages: %w", err)
}
return nil
})
return
}
// getMembershipFromEvent returns the value of content.membership iff the event is a state event

1
syncapi/storage/sqlite3/deltas/20201211125500_sequences.go
View file

@ -24,6 +24,7 @@ import (
func LoadFromGoose() {
goose.AddMigration(UpFixSequences, DownFixSequences)
goose.AddMigration(UpRemoveSendToDeviceSentColumn, DownRemoveSendToDeviceSentColumn)
}
func LoadFixSequences(m *sqlutil.Migrations) {

67
syncapi/storage/sqlite3/deltas/20210112130000_sendtodevice_sentcolumn.go Normal file
View file

@ -0,0 +1,67 @@
// Copyright 2021 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 deltas
import (
"database/sql"
"fmt"
"github.com/matrix-org/dendrite/internal/sqlutil"
)
func LoadRemoveSendToDeviceSentColumn(m *sqlutil.Migrations) {
m.AddMigration(UpRemoveSendToDeviceSentColumn, DownRemoveSendToDeviceSentColumn)
}
func UpRemoveSendToDeviceSentColumn(tx *sql.Tx) error {
_, err := tx.Exec(`
CREATE TEMPORARY TABLE syncapi_send_to_device_backup(id, user_id, device_id, content);
INSERT INTO syncapi_send_to_device_backup SELECT id, user_id, device_id, content FROM syncapi_send_to_device;
DROP TABLE syncapi_send_to_device;
CREATE TABLE syncapi_send_to_device(
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id TEXT NOT NULL,
device_id TEXT NOT NULL,
content TEXT NOT NULL
);
INSERT INTO syncapi_send_to_device SELECT id, user_id, device_id, content FROM syncapi_send_to_device_backup;
DROP TABLE syncapi_send_to_device_backup;
`)
if err != nil {
return fmt.Errorf("failed to execute upgrade: %w", err)
}
return nil
}
func DownRemoveSendToDeviceSentColumn(tx *sql.Tx) error {
_, err := tx.Exec(`
CREATE TEMPORARY TABLE syncapi_send_to_device_backup(id, user_id, device_id, content);
INSERT INTO syncapi_send_to_device_backup SELECT id, user_id, device_id, content FROM syncapi_send_to_device;
DROP TABLE syncapi_send_to_device;
CREATE TABLE syncapi_send_to_device(
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id TEXT NOT NULL,
device_id TEXT NOT NULL,
content TEXT NOT NULL,
sent_by_token TEXT
);
INSERT INTO syncapi_send_to_device SELECT id, user_id, device_id, content FROM syncapi_send_to_device_backup;
DROP TABLE syncapi_send_to_device_backup;
`)
if err != nil {
return fmt.Errorf("failed to execute upgrade: %w", err)
}
return nil
}

105
syncapi/storage/sqlite3/send_to_device_table.go
View file

@ -18,12 +18,12 @@ import (
"context"
"database/sql"
"encoding/json"
"strings"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
"github.com/sirupsen/logrus"
)
const sendToDeviceSchema = `
@ -36,11 +36,7 @@ CREATE TABLE IF NOT EXISTS syncapi_send_to_device (
-- The device ID to send the message to.
device_id TEXT NOT NULL,
-- The event content JSON.
content TEXT NOT NULL,
-- The token that was supplied to the /sync at the time that this
-- message was included in a sync response, or NULL if we haven't
-- included it in a /sync response yet.
sent_by_token TEXT
content TEXT NOT NULL
);
`
@ -49,33 +45,27 @@ const insertSendToDeviceMessageSQL = `
VALUES ($1, $2, $3)
`
const countSendToDeviceMessagesSQL = `
SELECT COUNT(*)
FROM syncapi_send_to_device
WHERE user_id = $1 AND device_id = $2
`
const selectSendToDeviceMessagesSQL = `
SELECT id, user_id, device_id, content, sent_by_token
SELECT id, user_id, device_id, content
FROM syncapi_send_to_device
WHERE user_id = $1 AND device_id = $2
WHERE user_id = $1 AND device_id = $2 AND id > $3 AND id <= $4
ORDER BY id DESC
`
const updateSentSendToDeviceMessagesSQL = `
UPDATE syncapi_send_to_device SET sent_by_token = $1
WHERE id IN ($2)
const deleteSendToDeviceMessagesSQL = `
DELETE FROM syncapi_send_to_device
WHERE user_id = $1 AND device_id = $2 AND id < $3
`
const deleteSendToDeviceMessagesSQL = `
DELETE FROM syncapi_send_to_device WHERE id IN ($1)
`
const selectMaxSendToDeviceIDSQL = "" +
"SELECT MAX(id) FROM syncapi_send_to_device"
type sendToDeviceStatements struct {
db *sql.DB
insertSendToDeviceMessageStmt *sql.Stmt
selectSendToDeviceMessagesStmt *sql.Stmt
countSendToDeviceMessagesStmt *sql.Stmt
deleteSendToDeviceMessagesStmt *sql.Stmt
selectMaxSendToDeviceIDStmt *sql.Stmt
}
func NewSqliteSendToDeviceTable(db *sql.DB) (tables.SendToDevice, error) {
@ -86,15 +76,18 @@ func NewSqliteSendToDeviceTable(db *sql.DB) (tables.SendToDevice, error) {
if err != nil {
return nil, err
}
if s.countSendToDeviceMessagesStmt, err = db.Prepare(countSendToDeviceMessagesSQL); err != nil {
return nil, err
}
if s.insertSendToDeviceMessageStmt, err = db.Prepare(insertSendToDeviceMessageSQL); err != nil {
return nil, err
}
if s.selectSendToDeviceMessagesStmt, err = db.Prepare(selectSendToDeviceMessagesSQL); err != nil {
return nil, err
}
if s.deleteSendToDeviceMessagesStmt, err = db.Prepare(deleteSendToDeviceMessagesSQL); err != nil {
return nil, err
}
if s.selectMaxSendToDeviceIDStmt, err = db.Prepare(selectMaxSendToDeviceIDSQL); err != nil {
return nil, err
}
return s, nil
}
@ -111,75 +104,57 @@ func (s *sendToDeviceStatements) InsertSendToDeviceMessage(
return
}
func (s *sendToDeviceStatements) CountSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, userID, deviceID string,
) (count int, err error) {
row := sqlutil.TxStmt(txn, s.countSendToDeviceMessagesStmt).QueryRowContext(ctx, userID, deviceID)
if err = row.Scan(&count); err != nil {
return
}
return count, nil
}
func (s *sendToDeviceStatements) SelectSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, userID, deviceID string,
ctx context.Context, txn *sql.Tx, userID, deviceID string, from, to types.StreamPosition,
) (lastPos types.StreamPosition, events []types.SendToDeviceEvent, err error) {
rows, err := sqlutil.TxStmt(txn, s.selectSendToDeviceMessagesStmt).QueryContext(ctx, userID, deviceID)
rows, err := sqlutil.TxStmt(txn, s.selectSendToDeviceMessagesStmt).QueryContext(ctx, userID, deviceID, from, to)
if err != nil {
return
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectSendToDeviceMessages: rows.close() failed")
for rows.Next() {
var id types.SendToDeviceNID
var id types.StreamPosition
var userID, deviceID, content string
var sentByToken *string
if err = rows.Scan(&id, &userID, &deviceID, &content, &sentByToken); err != nil {
if err = rows.Scan(&id, &userID, &deviceID, &content); err != nil {
logrus.WithError(err).Errorf("Failed to retrieve send-to-device message")
return
}
if id > lastPos {
lastPos = id
}
event := types.SendToDeviceEvent{
ID: id,
UserID: userID,
DeviceID: deviceID,
}
if err = json.Unmarshal([]byte(content), &event.SendToDeviceEvent); err != nil {
return
}
if sentByToken != nil {
if token, err := types.NewStreamTokenFromString(*sentByToken); err == nil {
event.SentByToken = &token
}
logrus.WithError(err).Errorf("Failed to unmarshal send-to-device message")
continue
}
events = append(events, event)
if types.StreamPosition(id) > lastPos {
lastPos = types.StreamPosition(id)
}
if lastPos == 0 {
lastPos = to
}
return lastPos, events, rows.Err()
}
func (s *sendToDeviceStatements) UpdateSentSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, token string, nids []types.SendToDeviceNID,
func (s *sendToDeviceStatements) DeleteSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, userID, deviceID string, pos types.StreamPosition,
) (err error) {
query := strings.Replace(updateSentSendToDeviceMessagesSQL, "($2)", sqlutil.QueryVariadic(1+len(nids)), 1)
params := make([]interface{}, 1+len(nids))
params[0] = token
for k, v := range nids {
params[k+1] = v
}
_, err = txn.ExecContext(ctx, query, params...)
_, err = sqlutil.TxStmt(txn, s.deleteSendToDeviceMessagesStmt).ExecContext(ctx, userID, deviceID, pos)
return
}
func (s *sendToDeviceStatements) DeleteSendToDeviceMessages(
ctx context.Context, txn *sql.Tx, nids []types.SendToDeviceNID,
) (err error) {
query := strings.Replace(deleteSendToDeviceMessagesSQL, "($1)", sqlutil.QueryVariadic(len(nids)), 1)
params := make([]interface{}, 1+len(nids))
for k, v := range nids {
params[k] = v
func (s *sendToDeviceStatements) SelectMaxSendToDeviceMessageID(
ctx context.Context, txn *sql.Tx,
) (id int64, err error) {
var nullableID sql.NullInt64
stmt := sqlutil.TxStmt(txn, s.selectMaxSendToDeviceIDStmt)
err = stmt.QueryRowContext(ctx).Scan(&nullableID)
if nullableID.Valid {
id = nullableID.Int64
}
_, err = txn.ExecContext(ctx, query, params...)
return
}

1
syncapi/storage/sqlite3/syncserver.go
View file

@ -102,6 +102,7 @@ func (d *SyncServerDatasource) prepare(dbProperties *config.DatabaseOptions) (er
}
m := sqlutil.NewMigrations()
deltas.LoadFixSequences(m)
deltas.LoadRemoveSendToDeviceSentColumn(m)
if err = m.RunDeltas(d.db, dbProperties); err != nil {
return err
}

7
syncapi/storage/tables/interface.go
View file

@ -147,10 +147,9 @@ type BackwardsExtremities interface {
// sync response, as the client is seemingly trying to repeat the same /sync.
type SendToDevice interface {
InsertSendToDeviceMessage(ctx context.Context, txn *sql.Tx, userID, deviceID, content string) (pos types.StreamPosition, err error)
SelectSendToDeviceMessages(ctx context.Context, txn *sql.Tx, userID, deviceID string) (lastPos types.StreamPosition, events []types.SendToDeviceEvent, err error)
UpdateSentSendToDeviceMessages(ctx context.Context, txn *sql.Tx, token string, nids []types.SendToDeviceNID) (err error)
DeleteSendToDeviceMessages(ctx context.Context, txn *sql.Tx, nids []types.SendToDeviceNID) (err error)
CountSendToDeviceMessages(ctx context.Context, txn *sql.Tx, userID, deviceID string) (count int, err error)
SelectSendToDeviceMessages(ctx context.Context, txn *sql.Tx, userID, deviceID string, from, to types.StreamPosition) (lastPos types.StreamPosition, events []types.SendToDeviceEvent, err error)
DeleteSendToDeviceMessages(ctx context.Context, txn *sql.Tx, userID, deviceID string, from types.StreamPosition) (err error)
SelectMaxSendToDeviceMessageID(ctx context.Context, txn *sql.Tx) (id int64, err error)
}
type Filter interface {

25
syncapi/streams/stream_sendtodevice.go
View file

@ -10,6 +10,16 @@ type SendToDeviceStreamProvider struct {
StreamProvider
}
func (p *SendToDeviceStreamProvider) Setup() {
p.StreamProvider.Setup()
id, err := p.DB.MaxStreamPositionForSendToDeviceMessages(context.Background())
if err != nil {
panic(err)
}
p.latest = id
}
func (p *SendToDeviceStreamProvider) CompleteSync(
ctx context.Context,
req *types.SyncRequest,
@ -23,24 +33,19 @@ func (p *SendToDeviceStreamProvider) IncrementalSync(
from, to types.StreamPosition,
) types.StreamPosition {
// See if we have any new tasks to do for the send-to-device messaging.
lastPos, events, updates, deletions, err := p.DB.SendToDeviceUpdatesForSync(req.Context, req.Device.UserID, req.Device.ID, req.Since)
lastPos, events, err := p.DB.SendToDeviceUpdatesForSync(req.Context, req.Device.UserID, req.Device.ID, from, to)
if err != nil {
req.Log.WithError(err).Error("p.DB.SendToDeviceUpdatesForSync failed")
return from
}
// Before we return the sync response, make sure that we take action on
// any send-to-device database updates or deletions that we need to do.
// Then add the updates into the sync response.
if len(updates) > 0 || len(deletions) > 0 {
// Handle the updates and deletions in the database.
err = p.DB.CleanSendToDeviceUpdates(context.Background(), updates, deletions, req.Since)
if err != nil {
if len(events) > 0 {
// Clean up old send-to-device messages from before this stream position.
if err := p.DB.CleanSendToDeviceUpdates(req.Context, req.Device.UserID, req.Device.ID, from); err != nil {
req.Log.WithError(err).Error("p.DB.CleanSendToDeviceUpdates failed")
return from
}
}
if len(events) > 0 {
// Add the updates into the sync response.
for _, event := range events {
req.Response.ToDevice.Events = append(req.Response.ToDevice.Events, event.SendToDeviceEvent)

5
syncapi/types/types.go
View file

@ -492,14 +492,11 @@ func NewLeaveResponse() *LeaveResponse {
return &res
}
type SendToDeviceNID int
type SendToDeviceEvent struct {
gomatrixserverlib.SendToDeviceEvent
ID SendToDeviceNID
ID StreamPosition
UserID string
DeviceID string
SentByToken *StreamingToken
}
type PeekingDevice struct {