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fix: remove channel for disconnections 

Since a subscriber might not be connected always it makes no sense to automatically unsubscribe on disconnet
This commit is contained in:
Richard Ramos 2021-10-06 15:25:41 -04:00
parent 70e301f348
commit 761ae88bbd
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GPG Key ID: 80D4B01265FDFE8F
2 changed files with 2 additions and 26 deletions
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4
waku/v2/node/connectedness.go
View File

@ -83,9 +83,7 @@ func (w *WakuNode) connectednessListener() {
return
case <-w.protocolEventSub.Out():
case <-w.identificationEventSub.Out():
case p := <-w.connectionNotif.DisconnectChan:
// Notify filter of disconnection
w.filter.DisconnectChan <- p
case <-w.connectionNotif.DisconnectChan:
}
w.sendConnStatus()
}

24
waku/v2/protocol/filter/waku_filter.go
View File

@ -46,8 +46,6 @@ type (
subscribers []Subscriber
pushHandler MessagePushHandler
MsgC chan *protocol.Envelope
DisconnectChan chan peer.ID
}
)
@ -158,24 +156,6 @@ func (wf *WakuFilter) onRequest(s network.Stream) {
}
}
func (wf *WakuFilter) peerListener() {
for peerID := range wf.DisconnectChan {
log.Info("filter Notification received ", peerID)
i := 0
// Delete subscribers matching deleted peer
for _, s := range wf.subscribers {
if s.peer != peerID {
wf.subscribers[i] = s
i++
}
}
log.Info("filter, deleted subscribers: ", len(wf.subscribers)-i)
wf.subscribers = wf.subscribers[:i]
}
}
func NewWakuFilter(ctx context.Context, host host.Host, handler MessagePushHandler) *WakuFilter {
ctx, err := tag.New(ctx, tag.Insert(metrics.KeyType, "filter"))
if err != nil {
@ -187,11 +167,9 @@ func NewWakuFilter(ctx context.Context, host host.Host, handler MessagePushHandl
wf.MsgC = make(chan *protocol.Envelope)
wf.h = host
wf.pushHandler = handler
wf.DisconnectChan = make(chan peer.ID)
wf.h.SetStreamHandlerMatch(FilterID_v20beta1, protocol.PrefixTextMatch(string(FilterID_v20beta1)), wf.onRequest)
go wf.FilterListener()
go wf.peerListener()
return wf
}
@ -220,7 +198,7 @@ func (wf *WakuFilter) FilterListener() {
log.Info("pushing a message to light node: ", pushRPC)
conn, err := wf.h.NewStream(wf.ctx, peer.ID(subscriber.peer), FilterID_v20beta1)
// TODO: keep track of errors to automatically unsubscribe a peer?
if err != nil {
// @TODO more sophisticated error handling here
log.Error("failed to open peer stream")