mirror of
https://github.com/1f349/dendrite.git
synced 2024-12-22 08:14:13 +00:00
Revert "Federation backoff fixes and tests (#2792)"
This reverts commit dcedd1b6bf.
This commit is contained in:
Neil Alexander
parent
dcedd1b6bf
commit
f3be4b3185
@ -75,7 +75,6 @@ func (oq *destinationQueue) sendEvent(event *gomatrixserverlib.HeaderedEvent, re
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logrus.Errorf("attempt to send nil PDU with destination %q", oq.destination)
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return
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}
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// Create a database entry that associates the given PDU NID with
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// this destination queue. We'll then be able to retrieve the PDU
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// later.
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@ -109,8 +108,6 @@ func (oq *destinationQueue) sendEvent(event *gomatrixserverlib.HeaderedEvent, re
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case oq.notify <- struct{}{}:
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default:
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}
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} else {
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oq.overflowed.Store(true)
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}
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}
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@ -156,8 +153,6 @@ func (oq *destinationQueue) sendEDU(event *gomatrixserverlib.EDU, receipt *share
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case oq.notify <- struct{}{}:
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default:
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}
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} else {
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oq.overflowed.Store(true)
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}
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}
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@ -340,11 +335,6 @@ func (oq *destinationQueue) backgroundSend() {
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// We failed to send the transaction. Mark it as a failure.
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oq.statistics.Failure()
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// Queue up another attempt since the transaction failed.
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select {
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case oq.notify <- struct{}{}:
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default:
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}
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} else if transaction {
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// If we successfully sent the transaction then clear out
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// the pending events and EDUs, and wipe our transaction ID.
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@ -332,7 +332,6 @@ func (oqs *OutgoingQueues) RetryServer(srv gomatrixserverlib.ServerName) {
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if oqs.disabled {
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return
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}
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oqs.statistics.ForServer(srv).RemoveBlacklist()
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if queue := oqs.getQueue(srv); queue != nil {
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queue.wakeQueueIfNeeded()
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}
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@ -1,422 +0,0 @@
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// 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 queue
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import (
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"context"
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"encoding/json"
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"fmt"
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"sync"
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"testing"
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"time"
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"go.uber.org/atomic"
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"gotest.tools/v3/poll"
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"github.com/matrix-org/dendrite/federationapi/api"
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"github.com/matrix-org/dendrite/federationapi/statistics"
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"github.com/matrix-org/dendrite/federationapi/storage"
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"github.com/matrix-org/dendrite/federationapi/storage/shared"
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rsapi "github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/setup/process"
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"github.com/matrix-org/dendrite/test"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/assert"
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)
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var dbMutex sync.Mutex
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type fakeDatabase struct {
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storage.Database
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pendingPDUServers map[gomatrixserverlib.ServerName]struct{}
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pendingEDUServers map[gomatrixserverlib.ServerName]struct{}
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blacklistedServers map[gomatrixserverlib.ServerName]struct{}
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pendingPDUs map[*shared.Receipt]*gomatrixserverlib.HeaderedEvent
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pendingEDUs map[*shared.Receipt]*gomatrixserverlib.EDU
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associatedPDUs map[gomatrixserverlib.ServerName]map[*shared.Receipt]struct{}
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associatedEDUs map[gomatrixserverlib.ServerName]map[*shared.Receipt]struct{}
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}
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func (d *fakeDatabase) StoreJSON(ctx context.Context, js string) (*shared.Receipt, error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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var event gomatrixserverlib.HeaderedEvent
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if err := json.Unmarshal([]byte(js), &event); err == nil {
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receipt := &shared.Receipt{}
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d.pendingPDUs[receipt] = &event
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return receipt, nil
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}
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var edu gomatrixserverlib.EDU
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if err := json.Unmarshal([]byte(js), &edu); err == nil {
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receipt := &shared.Receipt{}
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d.pendingEDUs[receipt] = &edu
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return receipt, nil
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}
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return nil, errors.New("Failed to determine type of json to store")
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}
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func (d *fakeDatabase) GetPendingPDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, limit int) (pdus map[*shared.Receipt]*gomatrixserverlib.HeaderedEvent, err error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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pdus = make(map[*shared.Receipt]*gomatrixserverlib.HeaderedEvent)
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if receipts, ok := d.associatedPDUs[serverName]; ok {
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for receipt := range receipts {
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if event, ok := d.pendingPDUs[receipt]; ok {
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pdus[receipt] = event
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}
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}
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}
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return pdus, nil
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}
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func (d *fakeDatabase) GetPendingEDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, limit int) (edus map[*shared.Receipt]*gomatrixserverlib.EDU, err error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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edus = make(map[*shared.Receipt]*gomatrixserverlib.EDU)
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if receipts, ok := d.associatedEDUs[serverName]; ok {
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for receipt := range receipts {
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if event, ok := d.pendingEDUs[receipt]; ok {
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edus[receipt] = event
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}
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}
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}
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return edus, nil
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}
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func (d *fakeDatabase) AssociatePDUWithDestination(ctx context.Context, transactionID gomatrixserverlib.TransactionID, serverName gomatrixserverlib.ServerName, receipt *shared.Receipt) error {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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if _, ok := d.pendingPDUs[receipt]; ok {
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if _, ok := d.associatedPDUs[serverName]; !ok {
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d.associatedPDUs[serverName] = make(map[*shared.Receipt]struct{})
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}
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d.associatedPDUs[serverName][receipt] = struct{}{}
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return nil
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} else {
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return errors.New("PDU doesn't exist")
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}
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}
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func (d *fakeDatabase) AssociateEDUWithDestination(ctx context.Context, serverName gomatrixserverlib.ServerName, receipt *shared.Receipt, eduType string, expireEDUTypes map[string]time.Duration) error {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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if _, ok := d.pendingEDUs[receipt]; ok {
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if _, ok := d.associatedEDUs[serverName]; !ok {
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d.associatedEDUs[serverName] = make(map[*shared.Receipt]struct{})
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}
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d.associatedEDUs[serverName][receipt] = struct{}{}
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return nil
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} else {
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return errors.New("EDU doesn't exist")
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}
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}
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func (d *fakeDatabase) CleanPDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, receipts []*shared.Receipt) error {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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if pdus, ok := d.associatedPDUs[serverName]; ok {
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for _, receipt := range receipts {
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delete(pdus, receipt)
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}
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}
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return nil
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}
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func (d *fakeDatabase) CleanEDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, receipts []*shared.Receipt) error {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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if edus, ok := d.associatedEDUs[serverName]; ok {
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for _, receipt := range receipts {
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delete(edus, receipt)
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}
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}
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return nil
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}
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func (d *fakeDatabase) GetPendingPDUCount(ctx context.Context, serverName gomatrixserverlib.ServerName) (int64, error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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var count int64
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if pdus, ok := d.associatedPDUs[serverName]; ok {
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count = int64(len(pdus))
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}
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return count, nil
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}
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func (d *fakeDatabase) GetPendingEDUCount(ctx context.Context, serverName gomatrixserverlib.ServerName) (int64, error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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var count int64
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if edus, ok := d.associatedEDUs[serverName]; ok {
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count = int64(len(edus))
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}
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return count, nil
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}
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func (d *fakeDatabase) GetPendingPDUServerNames(ctx context.Context) ([]gomatrixserverlib.ServerName, error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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servers := []gomatrixserverlib.ServerName{}
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for server := range d.pendingPDUServers {
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servers = append(servers, server)
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}
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return servers, nil
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}
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func (d *fakeDatabase) GetPendingEDUServerNames(ctx context.Context) ([]gomatrixserverlib.ServerName, error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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servers := []gomatrixserverlib.ServerName{}
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for server := range d.pendingEDUServers {
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servers = append(servers, server)
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}
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return servers, nil
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}
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func (d *fakeDatabase) AddServerToBlacklist(serverName gomatrixserverlib.ServerName) error {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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d.blacklistedServers[serverName] = struct{}{}
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return nil
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}
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func (d *fakeDatabase) RemoveServerFromBlacklist(serverName gomatrixserverlib.ServerName) error {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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delete(d.blacklistedServers, serverName)
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return nil
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}
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func (d *fakeDatabase) RemoveAllServersFromBlacklist() error {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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d.blacklistedServers = make(map[gomatrixserverlib.ServerName]struct{})
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return nil
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}
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func (d *fakeDatabase) IsServerBlacklisted(serverName gomatrixserverlib.ServerName) (bool, error) {
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dbMutex.Lock()
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defer dbMutex.Unlock()
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isBlacklisted := false
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if _, ok := d.blacklistedServers[serverName]; ok {
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isBlacklisted = true
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}
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return isBlacklisted, nil
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}
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type stubFederationRoomServerAPI struct {
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rsapi.FederationRoomserverAPI
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}
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func (r *stubFederationRoomServerAPI) QueryServerBannedFromRoom(ctx context.Context, req *rsapi.QueryServerBannedFromRoomRequest, res *rsapi.QueryServerBannedFromRoomResponse) error {
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res.Banned = false
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return nil
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}
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type stubFederationClient struct {
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api.FederationClient
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shouldTxSucceed bool
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txCount atomic.Uint32
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}
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func (f *stubFederationClient) SendTransaction(ctx context.Context, t gomatrixserverlib.Transaction) (res gomatrixserverlib.RespSend, err error) {
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var result error
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if !f.shouldTxSucceed {
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result = fmt.Errorf("transaction failed")
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}
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f.txCount.Add(1)
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return gomatrixserverlib.RespSend{}, result
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}
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func createDatabase() storage.Database {
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return &fakeDatabase{
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pendingPDUServers: make(map[gomatrixserverlib.ServerName]struct{}),
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pendingEDUServers: make(map[gomatrixserverlib.ServerName]struct{}),
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blacklistedServers: make(map[gomatrixserverlib.ServerName]struct{}),
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pendingPDUs: make(map[*shared.Receipt]*gomatrixserverlib.HeaderedEvent),
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pendingEDUs: make(map[*shared.Receipt]*gomatrixserverlib.EDU),
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associatedPDUs: make(map[gomatrixserverlib.ServerName]map[*shared.Receipt]struct{}),
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}
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}
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func mustCreateEvent(t *testing.T) *gomatrixserverlib.HeaderedEvent {
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t.Helper()
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content := `{"type":"m.room.message"}`
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ev, err := gomatrixserverlib.NewEventFromTrustedJSON([]byte(content), false, gomatrixserverlib.RoomVersionV10)
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if err != nil {
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t.Fatalf("failed to create event: %v", err)
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}
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return ev.Headered(gomatrixserverlib.RoomVersionV10)
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}
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func testSetup(failuresUntilBlacklist uint32, shouldTxSucceed bool) (storage.Database, *stubFederationClient, *OutgoingQueues) {
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db := createDatabase()
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fc := &stubFederationClient{
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shouldTxSucceed: shouldTxSucceed,
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txCount: *atomic.NewUint32(0),
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}
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rs := &stubFederationRoomServerAPI{}
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stats := &statistics.Statistics{
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DB: db,
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FailuresUntilBlacklist: failuresUntilBlacklist,
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}
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signingInfo := &SigningInfo{
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KeyID: "ed25519:auto",
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PrivateKey: test.PrivateKeyA,
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ServerName: "localhost",
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}
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queues := NewOutgoingQueues(db, process.NewProcessContext(), false, "localhost", fc, rs, stats, signingInfo)
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return db, fc, queues
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}
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func TestSendTransactionOnSuccessRemovedFromDB(t *testing.T) {
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ctx := context.Background()
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failuresUntilBlacklist := uint32(16)
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destination := gomatrixserverlib.ServerName("remotehost")
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db, fc, queues := testSetup(failuresUntilBlacklist, true)
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ev := mustCreateEvent(t)
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err := queues.SendEvent(ev, "localhost", []gomatrixserverlib.ServerName{destination})
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assert.NoError(t, err)
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check := func(log poll.LogT) poll.Result {
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if fc.txCount.Load() >= 1 {
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data, err := db.GetPendingPDUs(ctx, destination, 100)
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assert.NoError(t, err)
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if len(data) == 0 {
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return poll.Success()
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}
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return poll.Continue("waiting for event to be removed from database")
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}
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return poll.Continue("waiting for more send attempts before checking database")
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}
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poll.WaitOn(t, check, poll.WithTimeout(5*time.Second), poll.WithDelay(100*time.Millisecond))
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}
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func TestSendTransactionOnFailStoredInDB(t *testing.T) {
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ctx := context.Background()
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failuresUntilBlacklist := uint32(16)
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destination := gomatrixserverlib.ServerName("remotehost")
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db, fc, queues := testSetup(failuresUntilBlacklist, false)
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ev := mustCreateEvent(t)
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err := queues.SendEvent(ev, "localhost", []gomatrixserverlib.ServerName{destination})
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assert.NoError(t, err)
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check := func(log poll.LogT) poll.Result {
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// Wait for 2 backoff attempts to ensure there was adequate time to attempt sending
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if fc.txCount.Load() >= 2 {
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data, err := db.GetPendingPDUs(ctx, destination, 100)
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assert.NoError(t, err)
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if len(data) == 1 {
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return poll.Success()
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}
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return poll.Continue("waiting for event to be added to database")
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}
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return poll.Continue("waiting for more send attempts before checking database")
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}
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poll.WaitOn(t, check, poll.WithTimeout(5*time.Second), poll.WithDelay(100*time.Millisecond))
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}
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func TestSendTransactionMultipleFailuresBlacklisted(t *testing.T) {
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ctx := context.Background()
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failuresUntilBlacklist := uint32(2)
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destination := gomatrixserverlib.ServerName("remotehost")
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db, fc, queues := testSetup(failuresUntilBlacklist, false)
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ev := mustCreateEvent(t)
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err := queues.SendEvent(ev, "localhost", []gomatrixserverlib.ServerName{destination})
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assert.NoError(t, err)
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check := func(log poll.LogT) poll.Result {
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if fc.txCount.Load() >= failuresUntilBlacklist {
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data, err := db.GetPendingPDUs(ctx, destination, 100)
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assert.NoError(t, err)
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if len(data) == 1 {
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if val, _ := db.IsServerBlacklisted(destination); val {
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return poll.Success()
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}
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return poll.Continue("waiting for server to be blacklisted")
|
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}
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return poll.Continue("waiting for event to be added to database")
|
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}
|
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return poll.Continue("waiting for more send attempts before checking database")
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}
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poll.WaitOn(t, check, poll.WithTimeout(5*time.Second), poll.WithDelay(100*time.Millisecond))
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}
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|
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func TestRetryServerSendsSuccessfully(t *testing.T) {
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ctx := context.Background()
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failuresUntilBlacklist := uint32(1)
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destination := gomatrixserverlib.ServerName("remotehost")
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db, fc, queues := testSetup(failuresUntilBlacklist, false)
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|
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ev := mustCreateEvent(t)
|
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err := queues.SendEvent(ev, "localhost", []gomatrixserverlib.ServerName{destination})
|
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assert.NoError(t, err)
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|
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checkBlacklisted := func(log poll.LogT) poll.Result {
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if fc.txCount.Load() >= failuresUntilBlacklist {
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data, err := db.GetPendingPDUs(ctx, destination, 100)
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assert.NoError(t, err)
|
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if len(data) == 1 {
|
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if val, _ := db.IsServerBlacklisted(destination); val {
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return poll.Success()
|
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}
|
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return poll.Continue("waiting for server to be blacklisted")
|
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}
|
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return poll.Continue("waiting for event to be added to database")
|
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}
|
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return poll.Continue("waiting for more send attempts before checking database")
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}
|
||||
poll.WaitOn(t, checkBlacklisted, poll.WithTimeout(5*time.Second), poll.WithDelay(100*time.Millisecond))
|
||||
|
||||
fc.shouldTxSucceed = true
|
||||
db.RemoveServerFromBlacklist(destination)
|
||||
queues.RetryServer(destination)
|
||||
checkRetry := func(log poll.LogT) poll.Result {
|
||||
data, err := db.GetPendingPDUs(ctx, destination, 100)
|
||||
assert.NoError(t, err)
|
||||
if len(data) == 0 {
|
||||
return poll.Success()
|
||||
}
|
||||
return poll.Continue("waiting for event to be removed from database")
|
||||
}
|
||||
poll.WaitOn(t, checkRetry, poll.WithTimeout(5*time.Second), poll.WithDelay(100*time.Millisecond))
|
||||
}
|
||||
@ -95,8 +95,8 @@ func (s *ServerStatistics) cancel() {
|
||||
// we will unblacklist it.
|
||||
func (s *ServerStatistics) Success() {
|
||||
s.cancel()
|
||||
s.backoffCount.Store(0)
|
||||
s.successCounter.Inc()
|
||||
s.backoffCount.Store(0)
|
||||
if s.statistics.DB != nil {
|
||||
if err := s.statistics.DB.RemoveServerFromBlacklist(s.serverName); err != nil {
|
||||
logrus.WithError(err).Errorf("Failed to remove %q from blacklist", s.serverName)
|
||||
@ -174,12 +174,6 @@ func (s *ServerStatistics) Blacklisted() bool {
|
||||
return s.blacklisted.Load()
|
||||
}
|
||||
|
||||
// RemoveBlacklist removes the blacklisted status from the server.
|
||||
func (s *ServerStatistics) RemoveBlacklist() {
|
||||
s.cancel()
|
||||
s.backoffCount.Store(0)
|
||||
}
|
||||
|
||||
// SuccessCount returns the number of successful requests. This is
|
||||
// usually useful in constructing transaction IDs.
|
||||
func (s *ServerStatistics) SuccessCount() uint32 {
|
||||
|
||||
2
go.mod
2
go.mod
@ -50,7 +50,6 @@ require (
|
||||
golang.org/x/term v0.0.0-20220919170432-7a66f970e087
|
||||
gopkg.in/h2non/bimg.v1 v1.1.9
|
||||
gopkg.in/yaml.v2 v2.4.0
|
||||
gotest.tools/v3 v3.0.3
|
||||
nhooyr.io/websocket v1.8.7
|
||||
)
|
||||
|
||||
@ -129,6 +128,7 @@ require (
|
||||
gopkg.in/macaroon.v2 v2.1.0 // indirect
|
||||
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
|
||||
gopkg.in/yaml.v3 v3.0.1 // indirect
|
||||
gotest.tools/v3 v3.0.3 // indirect
|
||||
)
|
||||
|
||||
go 1.18
|
||||
|
||||
Loading…
Reference in New Issue
Block a user