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Update bridge.py with proper dup handling

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Simon 2021-04-20 17:21:22 +01:00
parent e9c0fc4298
commit 7549664be7
1 changed files with 22 additions and 12 deletions
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34
bridge.py
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@ -213,18 +213,6 @@ class routerOBP(OPENBRIDGE):
pkt_time = time() pkt_time = time()
dmrpkt = _data[20:53] dmrpkt = _data[20:53]
_bits = _data[15] _bits = _data[15]
#Handle inbound duplicates
if _seq == True and _seq == self._lastSeq:
logger.debug("%s) Duplicate sequence number %s, disgarding",self._system,_seq)
return
#Inbound out-of-order packets
elif _seq == True and (_seq != 1) and (_seq < self._lastSeq):
logger.debug("%s) Out of order packet - last sequence number %s, this sequence number %s, disgarding",self._system,self._lastSeq,_seq)
return
#Inbound missed packets
elif _seq == True and _seq > (self._lastSeq+1):
logger.debug("(%s) Missed packet - last sequence number %s, this sequence number %s",self._system,self._lastSeq,_seq)
if _call_type == 'group': if _call_type == 'group':
# Is this a new call stream? # Is this a new call stream?
@ -252,6 +240,28 @@ class routerOBP(OPENBRIDGE):
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) 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)
if CONFIG['REPORTS']['REPORT']: if CONFIG['REPORTS']['REPORT']:
self._report.send_bridgeEvent('GROUP VOICE,START,RX,{},{},{},{},{},{}'.format(self._system, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), _slot, int_id(_dst_id)).encode(encoding='utf-8', errors='ignore')) self._report.send_bridgeEvent('GROUP VOICE,START,RX,{},{},{},{},{},{}'.format(self._system, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), _slot, int_id(_dst_id)).encode(encoding='utf-8', errors='ignore'))
#Duplicate handling#
#Duplicate complete packet
if self.STATUS[_stream_id]['lastData'] and self.STATUS[_stream_id]['lastData'] == _data and _seq > 1:
logger.warning("(%s) *PacketControl* 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[_stream_id]['lastSeq']:
logger.warning("(%s) *PacketControl* 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[_stream_id]['lastSeq'] and (_seq != 1) and (_seq < self.STATUS[_stream_id]['lastSeq']):
logger.warning("%s) *PacketControl* Out of order packet - last SEQ: %s, this SEQ: %s, disgarding. Stream ID:, %s TGID: %s ",self._system,self.STATUS[_stream_id]['lastSeq'],_seq,int_id(_stream_id),int_id(_dst_id))
return
#Inbound missed packets
if _seq and self.STATUS[_stream_id]['lastSeq'] and _seq > (self.STATUS[_stream_id]['lastSeq']+1):
logger.warning("(%s) *PacketControl* Missed packet(s) - last SEQ: %s, this SEQ: %s. Stream ID:, %s TGID: %s ",self._system,self.STATUS[_stream_id]['lastSeq'],_seq,int_id(_stream_id),int_id(_dst_id))
#Save this sequence number
self.STATUS[_stream_id]['lastSeq'] = _seq
#Save this packet
self.STATUS[_stream_id]['lastData'] = _data
self.STATUS[_stream_id]['LAST'] = pkt_time self.STATUS[_stream_id]['LAST'] = pkt_time