From 7903edce68eaf462ef181cb6c4540eb62a446028 Mon Sep 17 00:00:00 2001
From: Simon <simon@gb7fr.org.uk>
Date: Sun, 17 Jul 2022 01:15:52 +0100
Subject: [PATCH] Explicitly send NAK when we timeout a peer

---
 hblink.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hblink.py b/hblink.py
index 2fed0cc..7e15032 100755
--- a/hblink.py
+++ b/hblink.py
@@ -769,6 +769,8 @@ class HBSYSTEM(DatagramProtocol):
                 remove_list.append(peer)
         for peer in remove_list:
             logger.info('(%s) Peer %s (%s) has timed out and is being removed', self._system, self._peers[peer]['CALLSIGN'], self._peers[peer]['RADIO_ID'])
+            #First, NAK the peer
+            self.transport.write(b''.join([MSTNAK, _peer_id]),self._CONFIG['SYSTEMS'][self._system]['PEERS'][peer]['SOCKADDR'])
             # Remove any timed out peers from the configuration
             del self._CONFIG['SYSTEMS'][self._system]['PEERS'][peer]
         if 'PEERS' not in self._CONFIG['SYSTEMS'][self._system] and 'OPTIONS' in self._CONFIG['SYSTEMS'][self._system]: