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Assign event ids in the main loop, to avoid out-of-order events

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This commit is contained in:
Deluan 2021-07-01 10:58:41 -04:00
parent 5bd33455a1
commit 0c2ca2a5e4
1 changed files with 9 additions and 8 deletions
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17
server/events/sse.go
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@ -95,7 +95,6 @@ func (b *broker) SendMessage(ctx context.Context, evt Event) {
func (b *broker) prepareMessage(ctx context.Context, event Event) message {
msg := message{}
msg.id = atomic.AddUint32(&eventId, 1)
msg.data = event.Data(event)
msg.event = event.Name(event)
msg.senderCtx = ctx
@ -212,8 +211,9 @@ func (b *broker) listen() {
log.Debug("Client added to event broker", "numClients", len(clients), "newClient", c.String())
// Send a serverStart event to new client
c.diode.put(b.prepareMessage(context.Background(),
&ServerStart{StartTime: consts.ServerStart, Version: consts.Version()}))
msg := b.prepareMessage(context.Background(),
&ServerStart{StartTime: consts.ServerStart, Version: consts.Version()})
c.diode.put(msg)
case c := <-b.unsubscribing:
// A client has detached and we want to
@ -221,14 +221,15 @@ func (b *broker) listen() {
delete(clients, c)
log.Debug("Removed client from event broker", "numClients", len(clients), "client", c.String())
case event := <-b.publish:
log.Trace("Got new published event", "event", event)
case msg := <-b.publish:
msg.id = atomic.AddUint32(&eventId, 1)
log.Trace("Got new published event", "event", msg)
// We got a new event from the outside!
// Send event to all connected clients
for c := range clients {
if b.shouldSend(event, c) {
log.Trace("Putting event on client's queue", "client", c.String(), "event", event)
c.diode.put(event)
if b.shouldSend(msg, c) {
log.Trace("Putting event on client's queue", "client", c.String(), "event", msg)
c.diode.put(msg)
}
}