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Fixed OBP LC Generation 

Had previously failed to take into account re-writes when generating OBP LCs for bridged traffic.

This is an attempt to fix it.
This commit is contained in:
Cort Buffington 2019-01-07 11:00:18 -06:00
parent 38a6e56d8c
commit 9c6aaf6b6c
1 changed files with 11 additions and 29 deletions
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40
hb_confbridge.py
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@ -263,21 +263,12 @@ class routerOBP(OPENBRIDGE):
'RFS': _rf_src,
'TGID': _dst_id,
}
# If we can, use the LC from the voice header as to keep all options intact
if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
decoded = decode.voice_head_term(dmrpkt)
_target_status[_stream_id]['LC'] = decoded['LC']
logger.debug('(%s) Created LC for OpenBridge destination: System: %s, TGID: %s', self._system, _target['SYSTEM'], int_id(_target['TGID']))
# Generate LCs (full and EMB) for the TX stream
dst_lc = ''.join([self.STATUS[_stream_id]['LC'][0:3], _target['TGID'], _rf_src])
_target_status[_stream_id]['H_LC'] = bptc.encode_header_lc(dst_lc)
_target_status[_stream_id]['T_LC'] = bptc.encode_terminator_lc(dst_lc)
_target_status[_stream_id]['EMB_LC'] = bptc.encode_emblc(dst_lc)
# If we don't have a voice header then don't wait to decode the Embedded LC
# just make a new one from the HBP header. This is good enough, and it saves lots of time
else:
_target_status[_stream_id]['LC'] = const.LC_OPT + _dst_id + _rf_src
logger.info('(%s) Created LC with *LATE ENTRY* for OpenBridge destination: System: %s, TGID: %s', self._system, _target['SYSTEM'], int_id(_target['TGID']))
_target_status[_stream_id]['H_LC'] = bptc.encode_header_lc(_target_status[_stream_id]['LC'])
_target_status[_stream_id]['T_LC'] = bptc.encode_terminator_lc(_target_status[_stream_id]['LC'])
_target_status[_stream_id]['EMB_LC'] = bptc.encode_emblc(_target_status[_stream_id]['LC'])
logger.info('(%s) Conference Bridge: %s, Call Bridged to OBP System: %s TS: %s, TGID: %s', self._system, _bridge, _target['SYSTEM'], _target['TS'], int_id(_target['TGID']))
# Record the time of this packet so we can later identify a stale stream
@ -519,21 +510,12 @@ class routerHBP(HBSYSTEM):
'RFS': _rf_src,
'TGID': _dst_id,
}
# If we can, use the LC from the voice header as to keep all options intact
if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
decoded = decode.voice_head_term(dmrpkt)
_target_status[_stream_id]['LC'] = decoded['LC']
logger.debug('(%s) Created LC for OpenBridge destination: System: %s, TGID: %s', self._system, _target['SYSTEM'], int_id(_target['TGID']))
# If we don't have a voice header then don't wait to decode the Embedded LC
# just make a new one from the HBP header. This is good enough, and it saves lots of time
else:
_target_status[_stream_id]['LC'] = const.LC_OPT + _dst_id + _rf_src
logger.info('(%s) Created LC with *LATE ENTRY* for OpenBridge destination: System: %s, TGID: %s', self._system, _target['SYSTEM'], int_id(_target['TGID']))
_target_status[_stream_id]['H_LC'] = bptc.encode_header_lc(_target_status[_stream_id]['LC'])
_target_status[_stream_id]['T_LC'] = bptc.encode_terminator_lc(_target_status[_stream_id]['LC'])
_target_status[_stream_id]['EMB_LC'] = bptc.encode_emblc(_target_status[_stream_id]['LC'])
# Generate LCs (full and EMB) for the TX stream
dst_lc = ''.join([self.STATUS[_slot]['RX_LC'][0:3], _target['TGID'], _rf_src])
_target_status[_stream_id]['H_LC'] = bptc.encode_header_lc(dst_lc)
_target_status[_stream_id]['T_LC'] = bptc.encode_terminator_lc(dst_lc)
_target_status[_stream_id]['EMB_LC'] = bptc.encode_emblc(dst_lc)
logger.info('(%s) Conference Bridge: %s, Call Bridged to OBP System: %s TS: %s, TGID: %s', self._system, _bridge, _target['SYSTEM'], _target['TS'], int_id(_target['TGID']))
# Record the time of this packet so we can later identify a stale stream