XUDP protocol: Add Global ID & UoT Migration

The first UoT protocol that supports UoT Migration
Thank @yuhan6665 for testing

transport/pipe/impl.go

@@ -37,6 +37,7 @@ type pipe struct {
 	readSignal  *signal.Notifier
 	writeSignal *signal.Notifier
 	done        *done.Instance
+	errChan     chan error
 	option      pipeOption
 	state       state
 }
@@ -92,6 +93,8 @@ func (p *pipe) ReadMultiBuffer() (buf.MultiBuffer, error) {
 		select {
 		case <-p.readSignal.Wait():
 		case <-p.done.Wait():
+		case err = <-p.errChan:
+			return nil, err
 		}
 	}
 }