From 11e0eb9c893654e57f32c521cf9c99e74f8d8d83 Mon Sep 17 00:00:00 2001
From: Philippe Antoine <pantoine@oisf.net>
Date: Mon, 4 Jul 2022 15:28:39 +0200
Subject: [PATCH] quic: do not log empty cyu array

Ticket: #5167
---
 rust/src/quic/logger.rs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/rust/src/quic/logger.rs b/rust/src/quic/logger.rs
index 19426776dd..e01869503b 100644
--- a/rust/src/quic/logger.rs
+++ b/rust/src/quic/logger.rs
@@ -30,14 +30,16 @@ fn log_template(tx: &QuicTransaction, js: &mut JsonBuilder) -> Result<(), JsonEr
             js.set_string("ua", &String::from_utf8_lossy(&ua))?;
         }
     }
-    js.open_array("cyu")?;
-    for cyu in &tx.cyu {
-        js.start_object()?;
-        js.set_string("hash", &cyu.hash)?;
-        js.set_string("string", &cyu.string)?;
+    if tx.cyu.len() > 0 {
+        js.open_array("cyu")?;
+        for cyu in &tx.cyu {
+            js.start_object()?;
+            js.set_string("hash", &cyu.hash)?;
+            js.set_string("string", &cyu.string)?;
+            js.close()?;
+        }
         js.close()?;
     }
-    js.close()?;
 
     js.close()?;
     Ok(())
-- 
2.47.2