mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-15 15:52:48 +00:00
5b73592f5a
This adds store & forward relays into dendrite for p2p. A few things have changed: - new relay api serves new http endpoints for s&f federation - updated outbound federation queueing which will attempt to forward using s&f if appropriate - database entries to track s&f relays for other nodes
113 lines
3.1 KiB
Go
113 lines
3.1 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 postgres
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
|
|
"github.com/lib/pq"
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
)
|
|
|
|
const relayQueueJSONSchema = `
|
|
-- The relayapi_queue_json table contains event contents that
|
|
-- we are storing for future forwarding.
|
|
CREATE TABLE IF NOT EXISTS relayapi_queue_json (
|
|
-- The JSON NID. This allows cross-referencing to find the JSON blob.
|
|
json_nid BIGSERIAL,
|
|
-- The JSON body. Text so that we preserve UTF-8.
|
|
json_body TEXT NOT NULL
|
|
);
|
|
|
|
CREATE UNIQUE INDEX IF NOT EXISTS relayapi_queue_json_json_nid_idx
|
|
ON relayapi_queue_json (json_nid);
|
|
`
|
|
|
|
const insertQueueJSONSQL = "" +
|
|
"INSERT INTO relayapi_queue_json (json_body)" +
|
|
" VALUES ($1)" +
|
|
" RETURNING json_nid"
|
|
|
|
const deleteQueueJSONSQL = "" +
|
|
"DELETE FROM relayapi_queue_json WHERE json_nid = ANY($1)"
|
|
|
|
const selectQueueJSONSQL = "" +
|
|
"SELECT json_nid, json_body FROM relayapi_queue_json" +
|
|
" WHERE json_nid = ANY($1)"
|
|
|
|
type relayQueueJSONStatements struct {
|
|
db *sql.DB
|
|
insertJSONStmt *sql.Stmt
|
|
deleteJSONStmt *sql.Stmt
|
|
selectJSONStmt *sql.Stmt
|
|
}
|
|
|
|
func NewPostgresRelayQueueJSONTable(db *sql.DB) (s *relayQueueJSONStatements, err error) {
|
|
s = &relayQueueJSONStatements{
|
|
db: db,
|
|
}
|
|
_, err = s.db.Exec(relayQueueJSONSchema)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
return s, sqlutil.StatementList{
|
|
{&s.insertJSONStmt, insertQueueJSONSQL},
|
|
{&s.deleteJSONStmt, deleteQueueJSONSQL},
|
|
{&s.selectJSONStmt, selectQueueJSONSQL},
|
|
}.Prepare(db)
|
|
}
|
|
|
|
func (s *relayQueueJSONStatements) InsertQueueJSON(
|
|
ctx context.Context, txn *sql.Tx, json string,
|
|
) (int64, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.insertJSONStmt)
|
|
var lastid int64
|
|
if err := stmt.QueryRowContext(ctx, json).Scan(&lastid); err != nil {
|
|
return 0, err
|
|
}
|
|
return lastid, nil
|
|
}
|
|
|
|
func (s *relayQueueJSONStatements) DeleteQueueJSON(
|
|
ctx context.Context, txn *sql.Tx, nids []int64,
|
|
) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteJSONStmt)
|
|
_, err := stmt.ExecContext(ctx, pq.Int64Array(nids))
|
|
return err
|
|
}
|
|
|
|
func (s *relayQueueJSONStatements) SelectQueueJSON(
|
|
ctx context.Context, txn *sql.Tx, jsonNIDs []int64,
|
|
) (map[int64][]byte, error) {
|
|
blobs := map[int64][]byte{}
|
|
stmt := sqlutil.TxStmt(txn, s.selectJSONStmt)
|
|
rows, err := stmt.QueryContext(ctx, pq.Int64Array(jsonNIDs))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectJSON: rows.close() failed")
|
|
for rows.Next() {
|
|
var nid int64
|
|
var blob []byte
|
|
if err = rows.Scan(&nid, &blob); err != nil {
|
|
return nil, err
|
|
}
|
|
blobs[nid] = blob
|
|
}
|
|
return blobs, err
|
|
}
|