func (r *Router) serve(serfClient *client.RPCClient) error {
var (
eventCh chan client.EventRecord
)
// register for member events, user events and queries
eventCh = make(chan client.EventRecord)
if _, err := serfClient.Stream("member-join,member-leave,member-failed,user,query", eventCh); err != nil {
return fmt.Errorf("failed to initialize event stream. Error: %s", err)
}
for {
select {
case e, ok := <-eventCh:
if !ok {
return fmt.Errorf("event channel was unexpectedly closed")
}
log.Infof("Event received: %+v", e)
if _, ok := e.(client.QueryEventRecord); ok {
r.handleQuery(serfClient, e.(client.QueryEventRecord))
} else {
r.handleEvent(e)
}
}
}
}
