From 932468a1c7d92d978cd946296e6f5d02e8cf482c Mon Sep 17 00:00:00 2001
From: Simon <simon@gb7fr.org.uk>
Date: Tue, 20 Apr 2021 23:24:21 +0100
Subject: [PATCH] Loop control for OBP in bridge.py

---
 bridge.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/bridge.py b/bridge.py
index 7b4da59..9012936 100755
--- a/bridge.py
+++ b/bridge.py
@@ -291,6 +291,33 @@ class routerOBP(OPENBRIDGE):
                     self.STATUS[_stream_id]['_finlog'] = True
                     return
                 
+                #LoopControl#
+                for system in systems:                            
+                    if system  == self._system:
+                        continue
+                    if CONFIG['SYSTEMS'][system]['MODE'] != 'OPENBRIDGE':
+                        for _sysslot in systems[system].STATUS:
+                            if 'RX_STREAM_ID' in systems[system].STATUS[_sysslot] and _stream_id == systems[system].STATUS[_sysslot]['RX_STREAM_ID']:
+                                if 'LOOPLOG' not in self.STATUS[_stream_id] or not self.STATUS[_stream_id]['LOOPLOG']: 
+                                    logger.warning("(%s) OBP *LoopControl* FIRST HBP: %s, STREAM ID: %s, TG: %s, TS: %s, IGNORE THIS SOURCE",self._system, system, int_id(_stream_id), int_id(_dst_id),_sysslot)
+                                    self.STATUS[_stream_id]['LOOPLOG'] = True
+                                self.STATUS[_stream_id]['LAST'] = pkt_time
+                                return
+                    else:
+                        #if _stream_id in systems[system].STATUS and systems[system].STATUS[_stream_id]['START'] <= self.STATUS[_stream_id]['START']:
+                        if _stream_id in systems[system].STATUS and '1ST' in systems[system].STATUS[_stream_id] and systems[system].STATUS[_stream_id]['TGID'] == _dst_id:
+                            if 'LOOPLOG' not in self.STATUS[_stream_id] or not self.STATUS[_stream_id]['LOOPLOG']:
+                                logger.warning("(%s) OBP *LoopControl* FIRST OBP %s, STREAM ID: %s, TG %s, IGNORE THIS SOURCE",self._system, system, int_id(_stream_id), int_id(_dst_id))
+                                self.STATUS[_stream_id]['LOOPLOG'] = True
+                            self.STATUS[_stream_id]['LAST'] = pkt_time
+                            
+                            if CONFIG['SYSTEMS'][self._system]['ENHANCED_OBP'] and '_bcsq' not in self.STATUS[_stream_id]:
+                                systems[self._system].send_bcsq(_dst_id,_stream_id)
+                                #logger.warning("(%s) OBP *BridgeControl* Sent BCSQ , STREAM ID: %s, TG %s",self._system, int_id(_stream_id), int_id(_dst_id))
+                                self.STATUS[_stream_id]['_bcsq'] = True
+                            return
+
+                
                 #Duplicate handling#
                 #Duplicate complete packet
                 if self.STATUS[_stream_id]['lastData'] and self.STATUS[_stream_id]['lastData'] == _data and _seq > 1: