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dendrite/federationsender/queue/queue.go
Andrew Morgan 1eb77b8161
Don't print Sending EDU if there is noone to send to (#721)
The logs had a lot of:

```
Sending EDU event                             destinations="[]" edu_type=m.typing
```

Which is useless if it isn't actually sending the event anywhere (destinations is empty).
2019-07-01 16:04:49 +01:00

135 lines
3.7 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 queue
import (
"fmt"
"sync"
"github.com/matrix-org/gomatrixserverlib"
log "github.com/sirupsen/logrus"
)
// OutgoingQueues is a collection of queues for sending transactions to other
// matrix servers
type OutgoingQueues struct {
origin gomatrixserverlib.ServerName
client *gomatrixserverlib.FederationClient
// The queuesMutex protects queues
queuesMutex sync.Mutex
queues map[gomatrixserverlib.ServerName]*destinationQueue
}
// NewOutgoingQueues makes a new OutgoingQueues
func NewOutgoingQueues(origin gomatrixserverlib.ServerName, client *gomatrixserverlib.FederationClient) *OutgoingQueues {
return &OutgoingQueues{
origin: origin,
client: client,
queues: map[gomatrixserverlib.ServerName]*destinationQueue{},
}
}
// SendEvent sends an event to the destinations
func (oqs *OutgoingQueues) SendEvent(
ev *gomatrixserverlib.Event, origin gomatrixserverlib.ServerName,
destinations []gomatrixserverlib.ServerName,
) error {
if origin != oqs.origin {
// TODO: Support virtual hosting; gh issue #577.
return fmt.Errorf(
"sendevent: unexpected server to send as: got %q expected %q",
origin, oqs.origin,
)
}
// Remove our own server from the list of destinations.
destinations = filterDestinations(oqs.origin, destinations)
log.WithFields(log.Fields{
"destinations": destinations, "event": ev.EventID(),
}).Info("Sending event")
oqs.queuesMutex.Lock()
defer oqs.queuesMutex.Unlock()
for _, destination := range destinations {
oq := oqs.queues[destination]
if oq == nil {
oq = &destinationQueue{
origin: oqs.origin,
destination: destination,
client: oqs.client,
}
oqs.queues[destination] = oq
}
oq.sendEvent(ev)
}
return nil
}
// SendEDU sends an EDU event to the destinations
func (oqs *OutgoingQueues) SendEDU(
e *gomatrixserverlib.EDU, origin gomatrixserverlib.ServerName,
destinations []gomatrixserverlib.ServerName,
) error {
if origin != oqs.origin {
// TODO: Support virtual hosting; gh issue #577.
return fmt.Errorf(
"sendevent: unexpected server to send as: got %q expected %q",
origin, oqs.origin,
)
}
// Remove our own server from the list of destinations.
destinations = filterDestinations(oqs.origin, destinations)
if len(destinations) > 0 {
log.WithFields(log.Fields{
"destinations": destinations, "edu_type": e.Type,
}).Info("Sending EDU event")
}
oqs.queuesMutex.Lock()
defer oqs.queuesMutex.Unlock()
for _, destination := range destinations {
oq := oqs.queues[destination]
if oq == nil {
oq = &destinationQueue{
origin: oqs.origin,
destination: destination,
client: oqs.client,
}
oqs.queues[destination] = oq
}
oq.sendEDU(e)
}
return nil
}
// filterDestinations removes our own server from the list of destinations.
// Otherwise we could end up trying to talk to ourselves.
func filterDestinations(origin gomatrixserverlib.ServerName, destinations []gomatrixserverlib.ServerName) []gomatrixserverlib.ServerName {
var result []gomatrixserverlib.ServerName
for _, destination := range destinations {
if destination == origin {
continue
}
result = append(result, destination)
}
return result
}