mirror of
https://github.com/1f349/dendrite.git
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72285b2659
Sister PR to https://github.com/matrix-org/gomatrixserverlib/pull/364 Read this commit by commit to avoid going insane.
142 lines
3.3 KiB
Go
142 lines
3.3 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 test
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import (
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"context"
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"database/sql"
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"encoding/json"
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"sync"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/spec"
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)
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type InMemoryRelayDatabase struct {
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nid int64
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nidMutex sync.Mutex
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transactions map[int64]json.RawMessage
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associations map[spec.ServerName][]int64
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}
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func NewInMemoryRelayDatabase() *InMemoryRelayDatabase {
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return &InMemoryRelayDatabase{
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nid: 1,
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nidMutex: sync.Mutex{},
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transactions: make(map[int64]json.RawMessage),
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associations: make(map[spec.ServerName][]int64),
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}
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}
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func (d *InMemoryRelayDatabase) InsertQueueEntry(
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ctx context.Context,
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txn *sql.Tx,
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transactionID gomatrixserverlib.TransactionID,
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serverName spec.ServerName,
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nid int64,
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) error {
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if _, ok := d.associations[serverName]; !ok {
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d.associations[serverName] = []int64{}
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}
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d.associations[serverName] = append(d.associations[serverName], nid)
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return nil
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}
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func (d *InMemoryRelayDatabase) DeleteQueueEntries(
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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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jsonNIDs []int64,
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) error {
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for _, nid := range jsonNIDs {
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for index, associatedNID := range d.associations[serverName] {
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if associatedNID == nid {
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d.associations[serverName] = append(d.associations[serverName][:index], d.associations[serverName][index+1:]...)
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}
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}
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}
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return nil
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}
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func (d *InMemoryRelayDatabase) SelectQueueEntries(
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ctx context.Context,
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txn *sql.Tx, serverName spec.ServerName,
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limit int,
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) ([]int64, error) {
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results := []int64{}
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resultCount := limit
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if limit > len(d.associations[serverName]) {
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resultCount = len(d.associations[serverName])
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}
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if resultCount > 0 {
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for i := 0; i < resultCount; i++ {
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results = append(results, d.associations[serverName][i])
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}
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}
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return results, nil
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}
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func (d *InMemoryRelayDatabase) SelectQueueEntryCount(
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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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) (int64, error) {
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return int64(len(d.associations[serverName])), nil
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}
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func (d *InMemoryRelayDatabase) InsertQueueJSON(
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ctx context.Context,
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txn *sql.Tx,
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json string,
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) (int64, error) {
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d.nidMutex.Lock()
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defer d.nidMutex.Unlock()
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nid := d.nid
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d.transactions[nid] = []byte(json)
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d.nid++
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return nid, nil
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}
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func (d *InMemoryRelayDatabase) DeleteQueueJSON(
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ctx context.Context,
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txn *sql.Tx,
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nids []int64,
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) error {
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for _, nid := range nids {
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delete(d.transactions, nid)
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}
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return nil
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}
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func (d *InMemoryRelayDatabase) SelectQueueJSON(
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ctx context.Context,
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txn *sql.Tx,
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jsonNIDs []int64,
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) (map[int64][]byte, error) {
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result := make(map[int64][]byte)
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for _, nid := range jsonNIDs {
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if transaction, ok := d.transactions[nid]; ok {
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result[nid] = transaction
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}
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}
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return result, nil
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}
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