使用KV数据库来管理IP名单

internal/utils/byte/utils.go

@@ -0,0 +1,28 @@
+// Copyright 2024 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package byteutils
+
+// Copy bytes
+func Copy(b []byte) []byte {
+	var l = len(b)
+	if l == 0 {
+		return []byte{}
+	}
+	var d = make([]byte, l)
+	copy(d, b)
+	return d
+}
+
+// Append bytes
+func Append(b []byte, b2 ...byte) []byte {
+	return append(Copy(b), b2...)
+}
+
+// Contact bytes
+func Contact(b []byte, b2 ...[]byte) []byte {
+	b = Copy(b)
+	for _, b3 := range b2 {
+		b = append(b, b3...)
+	}
+	return b
+}