Small refactoring

1 files changed, 20 insertions, 0 deletions

diff --git a/rpc/logger.go b/rpc/logger.go
new file mode 100644
index 0000000..25fe2d6
--- /dev/null
+++ b/rpc/logger.go
@@ -0,0 +1,20 @@
+package rpc
+
+import "log"
+
+type Logger interface {
+	Logf(format string, args ...interface{})
+}
+
+type nopLogger struct{}
+
+func (n nopLogger) Logf(format string, args ...interface{}) {
+}
+
+type stdLogger struct{}
+
+func (n stdLogger) Logf(format string, args ...interface{}) {
+	log.Printf(format, args...)
+}
+
+var StdLogger = stdLogger{}