Move stream to interface

debug/service/stream.go

@@ -0,0 +1,25 @@
+package service
+
+import (
+	"github.com/micro/go-micro/debug/log"
+)
+
+type logStream struct {
+	stream chan log.Record
+	stop   chan bool
+}
+
+func (l *logStream) Chan() <-chan log.Record {
+	return l.stream
+}
+
+func (l *logStream) Stop() error {
+	select {
+	case <-l.stop:
+		return nil
+	default:
+		close(l.stream)
+		close(l.stop)
+	}
+	return nil
+}