From cd57beebe35485b2579adf51773d91315708b27c Mon Sep 17 00:00:00 2001
From: Simon <simon@gb7fr.org.uk>
Date: Mon, 14 Feb 2022 23:39:01 +0000
Subject: [PATCH] Discard packets with old timestamp (low level)

---
 hblink.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hblink.py b/hblink.py
index 2bcd73f..8bc7789 100755
--- a/hblink.py
+++ b/hblink.py
@@ -385,6 +385,11 @@ class OPENBRIDGE(DatagramProtocol):
                                 self._laststrid.append(_stream_id)
                             return
                         
+                    #Discard old packets
+                    if (_timestamp/1000000000) < (time() - 30):
+                        logger.warning('(%s) Packet more than 30s old!, discarding', self._system)
+                        return
+                        
                     #Increment max hops
                     _inthops = _hops +1