feat: error response

server/response.go

@@ -57,6 +57,18 @@ func NewJsonResponse(data map[string]string) (*Response, error) {
 	}, nil
 }
 
+func NewErrorResponse(err error) *Response {
+	return &Response{
+		StatusCode: STATUS_INTERNALERR,
+		Format: DataFormat{
+			Format:   DF_TEXT,
+			Encoding: E_UTF8,
+		},
+		Headers: map[string]string{},
+		Payload: []byte(err.Error()),
+	}
+}
+
 func (res *Response) ToPacket() *Packet {
 	headers := make(map[string]string)
 

server/router.go

@@ -35,6 +35,7 @@ func (r *Router) Handle(conn net.Conn) error {
 	// TODO: Ability to keep connection alive
 	packet, err := dupl.ReadPacket()
 	if err != nil {
+		dupl.WritePacket(NewErrorResponse(err).ToPacket())
 		return err
 	}
 
@@ -49,4 +50,3 @@ func (r *Router) Handle(conn net.Conn) error {
 	}
 	return errors.New("Not Found")
 }
-