diff --git a/server.go b/server.go
index 4dc4530..4d83052 100644
--- a/server.go
+++ b/server.go
@@ -536,3 +536,51 @@ func MakeRPCError() *RpcReturnError {
 		h:    nil,
 	}
 }
+
+type indirectBody struct {
+	inner  io.ReadCloser
+	dump   []byte
+	closer func()
+}
+
+func (ib *indirectBody) Read(p []byte) (n int, err error) {
+	n, err = ib.inner.Read(p)
+	if n > 0 {
+		ib.dump = append(ib.dump, p...)
+	}
+	return
+}
+
+func (ib *indirectBody) Close() error {
+	if ib.closer != nil {
+		ib.closer()
+		ib.closer = nil
+	}
+	return ib.inner.Close()
+}
+
+func MakeHttpRequestForLogging(r *http.Request) *http.Request {
+	ib := &indirectBody{
+		inner: r.Body,
+	}
+
+	closer := func() {
+		var uv url.Values
+
+		if r.Form != nil {
+			uv = r.Form
+		} else {
+			uv = r.URL.Query()
+		}
+
+		logger.Println("request :")
+		logger.Println("    header :", r.Header)
+		logger.Println("    values :", uv)
+		logger.Println("    body   :", string(ib.dump))
+	}
+
+	ib.closer = closer
+
+	r.Body = ib
+	return r
+}