func httpPost(url string, data []byte) bool {
// TODO: set timeouts
resp, err := http.Post(url, "application/protobuf", bytes.NewBuffer(data))
if err != nil {
elog.TODO()
return false
}
resp.Body.Close()
if resp.StatusCode != http.StatusNoContent {
elog.TODO()
return false
}
return true
}
// waitForEvent waits for a given Watcher to return its associated
// event. It returns a non-nil error if the given Context times out
// or the given ResponseWriter triggers a CloseNotify.
func waitForEvent(ctx context.Context, w http.ResponseWriter, wa store.Watcher) (*store.Event, error) {
// TODO(bmizerany): support streaming?
defer wa.Remove()
var nch <-chan bool
if x, ok := w.(http.CloseNotifier); ok {
nch = x.CloseNotify()
}
select {
case ev := <-wa.EventChan():
return ev, nil
case <-nch:
elog.TODO()
return nil, errClosed
case <-ctx.Done():
return nil, ctx.Err()
}
}