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Duplicate detection for HBP

This commit is contained in:
Simon 2021-04-16 20:48:14 +01:00
parent 4c998ccccf
commit 090500d327
1 changed files with 33 additions and 4 deletions
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37
bridge_master.py
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@ -1403,7 +1403,9 @@ class routerHBP(HBSYSTEM):
2: b'\x00',
3: b'\x00',
4: b'\x00',
}
},
'lastSeq': False,
'lastData': False
},
2: {
'RX_START': time(),
@ -1429,7 +1431,9 @@ class routerHBP(HBSYSTEM):
2: b'\x00',
3: b'\x00',
4: b'\x00',
}
},
'lastSeq': False,
'lastData': False
}
}
@ -1765,7 +1769,28 @@ class routerHBP(HBSYSTEM):
if int_id(_dst_id) >= 5 and int_id(_dst_id) != 9 and (str(int_id(_dst_id)) not in BRIDGES):
logger.info('(%s) Bridge for TG %s does not exist. Creating as User Activated. Timeout %s',self._system, int_id(_dst_id),CONFIG['SYSTEMS'][self._system]['DEFAULT_UA_TIMER'])
make_single_bridge(_dst_id,self._system,_slot,CONFIG['SYSTEMS'][self._system]['DEFAULT_UA_TIMER'])
#Duplicate handling#
#Duplicate complete packet
if self.STATUS[_slot]['lastData'] and self.STATUS[_slot]['lastData'] == _data and _seq > 1:
logger.warning("(%s) *DupControl* last packet is a complete duplicate of the previous one, disgarding. Stream ID:, %s TGID: %s",self._system,int_id(_stream_id),int_id(_dst_id))
return
#Handle inbound duplicates
if _seq and _seq == self.STATUS[_slot]['lastSeq']:
logger.warning("(%s) *DupControl* Duplicate sequence number %s, disgarding. Stream ID:, %s TGID: %s",self._system,_seq,int_id(_stream_id),int_id(_dst_id))
return
#Inbound out-of-order packets
if _seq and self.STATUS[_slot]['lastSeq'] and (_seq != 1) and (_seq < self.STATUS[_slot]['lastSeq']):
logger.warning("%s) *DupControl* Out of order packet - last sequence number %s, this sequence number %s, disgarding. Stream ID:, %s TGID: %s ",self._system,self.STATUS[_slot]['lastSeq'],_seq,int_id(_stream_id),int_id(_dst_id))
return
#Inbound missed packets
if _seq and self.STATUS[_slot]['lastSeq'] and _seq > (self.STATUS[_slot]['lastSeq']+1):
logger.warning("(%s) *DupControl* Missed packet - last sequence number %s, this sequence number %s. Stream ID:, %s TGID: %s ",self._system,self.STATUS[_slot]['lastSeq'],_seq,int_id(_stream_id),int_id(_dst_id))
#Save this sequence number
self.STATUS[_slot]['lastSeq'] = _seq
#Save this packet
self.STATUS[_slot]['lastData'] = _data
_sysIgnore = []
for _bridge in BRIDGES:
@ -1790,6 +1815,10 @@ class routerHBP(HBSYSTEM):
self._system, int_id(_stream_id), get_alias(_rf_src, subscriber_ids), int_id(_rf_src), get_alias(_peer_id, peer_ids), int_id(_peer_id), get_alias(_dst_id, talkgroup_ids), int_id(_dst_id), _slot, call_duration)
if CONFIG['REPORTS']['REPORT']:
self._report.send_bridgeEvent('GROUP VOICE,END,RX,{},{},{},{},{},{},{:.2f}'.format(self._system, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), _slot, int_id(_dst_id), call_duration).encode(encoding='utf-8', errors='ignore'))
#Reset back to False
self.STATUS[_slot]['lastSeq'] = False
self.STATUS[_slot]['lastData'] = False
#
# Begin in-band signalling for call end. This has nothign to do with routing traffic directly.
@ -2087,7 +2116,7 @@ if __name__ == '__main__':
for system in CONFIG['SYSTEMS']:
if CONFIG['SYSTEMS'][system]['ENABLED']:
if CONFIG['SYSTEMS'][system]['MODE'] == 'XLXPEER':
logger.warning('(GLOBAL) system %s not started - XLXPEER and PEER connections currently unsupported ', system)
logger.warning('(GLOBAL) system %s not started - XLXPEER connections currently unsupported ', system)
continue
if CONFIG['SYSTEMS'][system]['MODE'] == 'OPENBRIDGE':
systems[system] = routerOBP(system, CONFIG, report_server)