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dendrite/roomserver/internal/input.go
Neil Alexander a16db1c408
Improve federation sender performance, implement backoff and blacklisting, fix up invites a bit (#1007)
* Improve federation sender performance and behaviour, add backoff

* Tweaks

* Tweaks

* Tweaks

* Take copies of events before passing to destination queues

* Don't accidentally drop queued messages

* Don't take copies again

* Tidy up a bit

* Break out statistics (tracked component-wide), report success and failures from Perform actions

* Fix comment, use atomic add

* Improve logic a bit, don't block on wakeup, move idle check

* Don't retry sucessful invites, don't dispatch sendEvent, sendInvite etc

* Dedupe destinations, fix other bug hopefully

* Dispatch sends again

* Federation sender to ignore invites that are destined locally

* Loopback invite events

* Remodel a bit with channels

* Linter

* Only loopback invite event if we know the room

* We should tell other resident servers about the invite if we know about the room

* Correct invite signing

* Fix invite loopback

* Check HTTP response codes, push new invites to front of queue

* Review comments
2020-05-07 12:42:06 +01:00

79 lines
2.7 KiB
Go

// Copyright 2017 Vector Creations Ltd
//
// 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 input contains the code processes new room events
package internal
import (
"context"
"encoding/json"
"github.com/Shopify/sarama"
"github.com/matrix-org/dendrite/roomserver/api"
fsAPI "github.com/matrix-org/dendrite/federationsender/api"
)
// SetFederationSenderInputAPI passes in a federation sender input API reference
// so that we can avoid the chicken-and-egg problem of both the roomserver input API
// and the federation sender input API being interdependent.
func (r *RoomserverInternalAPI) SetFederationSenderAPI(fsAPI fsAPI.FederationSenderInternalAPI) {
r.fsAPI = fsAPI
}
// WriteOutputEvents implements OutputRoomEventWriter
func (r *RoomserverInternalAPI) WriteOutputEvents(roomID string, updates []api.OutputEvent) error {
messages := make([]*sarama.ProducerMessage, len(updates))
for i := range updates {
value, err := json.Marshal(updates[i])
if err != nil {
return err
}
messages[i] = &sarama.ProducerMessage{
Topic: r.OutputRoomEventTopic,
Key: sarama.StringEncoder(roomID),
Value: sarama.ByteEncoder(value),
}
}
return r.Producer.SendMessages(messages)
}
// InputRoomEvents implements api.RoomserverInternalAPI
func (r *RoomserverInternalAPI) InputRoomEvents(
ctx context.Context,
request *api.InputRoomEventsRequest,
response *api.InputRoomEventsResponse,
) (err error) {
// We lock as processRoomEvent can only be called once at a time
r.mutex.Lock()
defer r.mutex.Unlock()
for i := range request.InputInviteEvents {
var loopback *api.InputRoomEvent
if loopback, err = processInviteEvent(ctx, r.DB, r, request.InputInviteEvents[i]); err != nil {
return err
}
// The processInviteEvent function can optionally return a
// loopback room event containing the invite, for local invites.
// If it does, we should process it with the room events below.
if loopback != nil {
request.InputRoomEvents = append(request.InputRoomEvents, *loopback)
}
}
for i := range request.InputRoomEvents {
if response.EventID, err = processRoomEvent(ctx, r.DB, r, request.InputRoomEvents[i]); err != nil {
return err
}
}
return nil
}