initial commit

server/listener/listener.go

@@ -0,0 +1,14 @@
+package listener
+
+import "net"
+
+// Listener is a server listener, just like a net.Listener.
+type Listener interface {
+	Init(md Metadata) error
+	net.Listener
+}
+
+// Accepter represents a network endpoint that can accept connection from peer.
+type Accepter interface {
+	Accept() (net.Conn, error)
+}