From b5ede905a4471a8239883c4ec3cc03fba8ec686e Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sat, 16 Mar 2024 11:44:08 +0100
Subject: Handle JSON decode errors when processing events.

Seems nftrace events produce non-JSON data even with nft -j.
---
 naros.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/naros.py b/naros.py
index a77cd7f..0e38563 100755
--- a/naros.py
+++ b/naros.py
@@ -653,7 +653,13 @@ class NftMonitor:
 
     def process(self, process_cb):
         for line in self._child.stdout:
-            cmd, val = nft_json_pop(json.loads(line))
+            try:
+                data = json.loads(line)
+            except json.decoder.JSONDecodeError:
+                self._logger.error('Error decoding event: %s', line)
+                continue
+
+            cmd, val = nft_json_pop(data)
 
             self._logger.debug('Nft event: %s %s', cmd, val)
 
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