mirror of
https://github.com/1f349/dendrite.git
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699f5ca8c1
Looks like we missed some `rows.Close()` Even though `rows.Err()` is mostly not necessary, we should be more consistent in the DB layer. [skip ci]
138 lines
3.9 KiB
Go
138 lines
3.9 KiB
Go
// Copyright 2022 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 postgres
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import (
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"context"
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"database/sql"
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"github.com/lib/pq"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/gomatrixserverlib/spec"
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)
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const relayServersSchema = `
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CREATE TABLE IF NOT EXISTS federationsender_relay_servers (
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-- The destination server name
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server_name TEXT NOT NULL,
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-- The relay server name for a given destination
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relay_server_name TEXT NOT NULL,
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UNIQUE (server_name, relay_server_name)
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);
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CREATE INDEX IF NOT EXISTS federationsender_relay_servers_server_name_idx
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ON federationsender_relay_servers (server_name);
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`
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const insertRelayServersSQL = "" +
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"INSERT INTO federationsender_relay_servers (server_name, relay_server_name) VALUES ($1, $2)" +
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" ON CONFLICT DO NOTHING"
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const selectRelayServersSQL = "" +
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"SELECT relay_server_name FROM federationsender_relay_servers WHERE server_name = $1"
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const deleteRelayServersSQL = "" +
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"DELETE FROM federationsender_relay_servers WHERE server_name = $1 AND relay_server_name = ANY($2)"
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const deleteAllRelayServersSQL = "" +
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"DELETE FROM federationsender_relay_servers WHERE server_name = $1"
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type relayServersStatements struct {
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db *sql.DB
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insertRelayServersStmt *sql.Stmt
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selectRelayServersStmt *sql.Stmt
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deleteRelayServersStmt *sql.Stmt
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deleteAllRelayServersStmt *sql.Stmt
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}
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func NewPostgresRelayServersTable(db *sql.DB) (s *relayServersStatements, err error) {
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s = &relayServersStatements{
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db: db,
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}
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_, err = db.Exec(relayServersSchema)
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if err != nil {
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return
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}
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return s, sqlutil.StatementList{
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{&s.insertRelayServersStmt, insertRelayServersSQL},
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{&s.selectRelayServersStmt, selectRelayServersSQL},
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{&s.deleteRelayServersStmt, deleteRelayServersSQL},
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{&s.deleteAllRelayServersStmt, deleteAllRelayServersSQL},
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}.Prepare(db)
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}
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func (s *relayServersStatements) InsertRelayServers(
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ctx context.Context,
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txn *sql.Tx,
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serverName spec.ServerName,
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relayServers []spec.ServerName,
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) error {
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for _, relayServer := range relayServers {
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stmt := sqlutil.TxStmt(txn, s.insertRelayServersStmt)
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if _, err := stmt.ExecContext(ctx, serverName, relayServer); err != nil {
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return err
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}
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}
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return nil
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}
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func (s *relayServersStatements) SelectRelayServers(
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ctx context.Context,
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txn *sql.Tx,
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serverName spec.ServerName,
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) ([]spec.ServerName, error) {
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stmt := sqlutil.TxStmt(txn, s.selectRelayServersStmt)
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rows, err := stmt.QueryContext(ctx, serverName)
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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "SelectRelayServers: rows.close() failed")
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var result []spec.ServerName
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for rows.Next() {
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var relayServer string
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if err = rows.Scan(&relayServer); err != nil {
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return nil, err
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}
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result = append(result, spec.ServerName(relayServer))
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}
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return result, rows.Err()
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}
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func (s *relayServersStatements) DeleteRelayServers(
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ctx context.Context,
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txn *sql.Tx,
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serverName spec.ServerName,
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relayServers []spec.ServerName,
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) error {
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stmt := sqlutil.TxStmt(txn, s.deleteRelayServersStmt)
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_, err := stmt.ExecContext(ctx, serverName, pq.Array(relayServers))
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return err
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}
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func (s *relayServersStatements) DeleteAllRelayServers(
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ctx context.Context,
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txn *sql.Tx,
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serverName spec.ServerName,
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) error {
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stmt := sqlutil.TxStmt(txn, s.deleteAllRelayServersStmt)
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if _, err := stmt.ExecContext(ctx, serverName); err != nil {
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return err
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}
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return nil
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}
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