From a1d9f4295c59f30b30a085682b47e314c6960673 Mon Sep 17 00:00:00 2001
From: Robert van Gent <rvangent@google.com>
Date: Wed, 19 Jul 2023 12:57:51 -0700
Subject: [PATCH] server/requestlog: make responseStats implement http.Flusher
 (#3275)

---
 server/requestlog/requestlog.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/server/requestlog/requestlog.go b/server/requestlog/requestlog.go
index 310b7b5b1e..8e00eaaa85 100644
--- a/server/requestlog/requestlog.go
+++ b/server/requestlog/requestlog.go
@@ -233,3 +233,9 @@ func (r *responseStats) Hijack() (_ net.Conn, _ *bufio.ReadWriter, err error) {
 	}
 	return nil, nil, errors.New("underlying ResponseWriter does not support hijacking")
 }
+
+func (r *responseStats) Flush() {
+	if fl, ok := r.w.(http.Flusher); ok {
+		fl.Flush()
+	}
+}