start refactoring

utils/net/udp_test.go

@@ -0,0 +1,27 @@
+package net
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestA(t *testing.T) {
+	l, err := ListenUDP("0.0.0.0", 9000)
+	if err != nil {
+		fmt.Println(err)
+	}
+	for {
+		c, _ := l.Accept()
+		go func() {
+			for {
+				buf := make([]byte, 1450)
+				n, err := c.Read(buf)
+				if err != nil {
+					fmt.Println(buf[:n])
+				}
+
+				c.Write(buf[:n])
+			}
+		}()
+	}
+}