108 lines
3.4 KiB
Go
108 lines
3.4 KiB
Go
// Copyright 2022 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 sqlite3
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
const assumedOfflineSchema = `
|
|
CREATE TABLE IF NOT EXISTS federationsender_assumed_offline(
|
|
-- The assumed offline server name
|
|
server_name TEXT PRIMARY KEY NOT NULL
|
|
);
|
|
`
|
|
|
|
const insertAssumedOfflineSQL = "" +
|
|
"INSERT INTO federationsender_assumed_offline (server_name) VALUES ($1)" +
|
|
" ON CONFLICT DO NOTHING"
|
|
|
|
const selectAssumedOfflineSQL = "" +
|
|
"SELECT server_name FROM federationsender_assumed_offline WHERE server_name = $1"
|
|
|
|
const deleteAssumedOfflineSQL = "" +
|
|
"DELETE FROM federationsender_assumed_offline WHERE server_name = $1"
|
|
|
|
const deleteAllAssumedOfflineSQL = "" +
|
|
"DELETE FROM federationsender_assumed_offline"
|
|
|
|
type assumedOfflineStatements struct {
|
|
db *sql.DB
|
|
insertAssumedOfflineStmt *sql.Stmt
|
|
selectAssumedOfflineStmt *sql.Stmt
|
|
deleteAssumedOfflineStmt *sql.Stmt
|
|
deleteAllAssumedOfflineStmt *sql.Stmt
|
|
}
|
|
|
|
func NewSQLiteAssumedOfflineTable(db *sql.DB) (s *assumedOfflineStatements, err error) {
|
|
s = &assumedOfflineStatements{
|
|
db: db,
|
|
}
|
|
_, err = db.Exec(assumedOfflineSchema)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
return s, sqlutil.StatementList{
|
|
{&s.insertAssumedOfflineStmt, insertAssumedOfflineSQL},
|
|
{&s.selectAssumedOfflineStmt, selectAssumedOfflineSQL},
|
|
{&s.deleteAssumedOfflineStmt, deleteAssumedOfflineSQL},
|
|
{&s.deleteAllAssumedOfflineStmt, deleteAllAssumedOfflineSQL},
|
|
}.Prepare(db)
|
|
}
|
|
|
|
func (s *assumedOfflineStatements) InsertAssumedOffline(
|
|
ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.insertAssumedOfflineStmt)
|
|
_, err := stmt.ExecContext(ctx, serverName)
|
|
return err
|
|
}
|
|
|
|
func (s *assumedOfflineStatements) SelectAssumedOffline(
|
|
ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
|
|
) (bool, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectAssumedOfflineStmt)
|
|
res, err := stmt.QueryContext(ctx, serverName)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer res.Close() // nolint:errcheck
|
|
// The query will return the server name if the server is assume offline, and
|
|
// will return no rows if not. By calling Next, we find out if a row was
|
|
// returned or not - we don't care about the value itself.
|
|
return res.Next(), nil
|
|
}
|
|
|
|
func (s *assumedOfflineStatements) DeleteAssumedOffline(
|
|
ctx context.Context, txn *sql.Tx, serverName gomatrixserverlib.ServerName,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteAssumedOfflineStmt)
|
|
_, err := stmt.ExecContext(ctx, serverName)
|
|
return err
|
|
}
|
|
|
|
func (s *assumedOfflineStatements) DeleteAllAssumedOffline(
|
|
ctx context.Context, txn *sql.Tx,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteAllAssumedOfflineStmt)
|
|
_, err := stmt.ExecContext(ctx)
|
|
return err
|
|
}
|