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unit to unit calls, with contention working - HBSystems only

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This appears to work, but no openbridge support yet.
This commit is contained in:
Cort Buffington 2019-12-01 13:27:07 -06:00
parent 0f38427f2f
commit 281860db0b
1 changed files with 58 additions and 31 deletions
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89
bridge.py
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@ -504,11 +504,8 @@ class routerHBP(HBSYSTEM):
dmrpkt = _data[20:53] dmrpkt = _data[20:53]
_bits = _data[15] _bits = _data[15]
# Make an entry in the UNIT_MAP for this subscriber # Make/update an entry in the UNIT_MAP for this subscriber
if _rf_src not in UNIT_MAP: UNIT_MAP[_rf_src] = (self.name, pkt_time)
UNIT_MAP[_rf_src] = [self.name, pkt_time]
else:
UNIT_MAP[_rf_src][1] = pkt_time
# Is this a new call stream? # Is this a new call stream?
if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']): if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']):
@ -752,13 +749,18 @@ class routerHBP(HBSYSTEM):
dmrpkt = _data[20:53] dmrpkt = _data[20:53]
_bits = _data[15] _bits = _data[15]
if _rf_src not in UNIT_MAP: # Make/update this unit in the UNIT_MAP cache
UNIT_MAP[_rf_src] = [self.name, pkt_time] UNIT_MAP[_rf_src] = (self.name, pkt_time)
else:
UNIT_MAP[_rf_src][1] = pkt_time
# Is this a new call stream? # Is this a new call stream?
if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']): if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']):
# Collision in progress, bail out!
if (self.STATUS[_slot]['RX_TYPE'] != HBPF_SLT_VTERM) and (pkt_time < (self.STATUS[_slot]['RX_TIME'] + STREAM_TO)) and (_rf_src != self.STATUS[_slot]['RX_RFS']):
logger.warning('(%s) Packet received with STREAM ID: %s <FROM> SUB: %s PEER: %s <TO> UNIT %s, SLOT %s collided with existing call', self._system, int_id(_stream_id), int_id(_rf_src), int_id(_peer_id), int_id(_dst_id), _slot)
return
# Create a destination list for the call: # Create a destination list for the call:
if _dst_id in UNIT_MAP: if _dst_id in UNIT_MAP:
if UNIT_MAP[_dst_id][0] != self._system: if UNIT_MAP[_dst_id][0] != self._system:
@ -772,17 +774,14 @@ class routerHBP(HBSYSTEM):
self._targets.remove(self._system) self._targets.remove(self._system)
_target_route = 'FLOOD' _target_route = 'FLOOD'
if (self.STATUS[_slot]['RX_TYPE'] != HBPF_SLT_VTERM) and (pkt_time < (self.STATUS[_slot]['RX_TIME'] + STREAM_TO)) and (_rf_src != self.STATUS[_slot]['RX_RFS']): # This is a new call stream, so log & report
logger.warning('(%s) Packet received with STREAM ID: %s <FROM> SUB: %s PEER: %s <TO> UNIT %s, SLOT %s collided with existing call', self._system, int_id(_stream_id), int_id(_rf_src), int_id(_peer_id), int_id(_dst_id), _slot)
return
# This is a new call stream
self.STATUS[_slot]['RX_START'] = pkt_time self.STATUS[_slot]['RX_START'] = pkt_time
logger.info('(%s) *UNIT CALL START* STREAM ID: %s SUB: %s (%s) PEER: %s (%s) UNIT: %s (%s), TS: %s, FORWARD: %s', \ logger.info('(%s) *UNIT CALL START* STREAM ID: %s SUB: %s (%s) PEER: %s (%s) UNIT: %s (%s), TS: %s, FORWARD: %s', \
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, _target_route) 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, _target_route)
if CONFIG['REPORTS']['REPORT']: if CONFIG['REPORTS']['REPORT']:
self._report.send_bridgeEvent('UNIT VOICE,START,RX,{},{},{},{},{},{},{}'.format(self._system, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), _slot, int_id(_dst_id), _target_route).encode(encoding='utf-8', errors='ignore')) self._report.send_bridgeEvent('UNIT VOICE,START,RX,{},{},{},{},{},{},{}'.format(self._system, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), _slot, int_id(_dst_id), _target_route).encode(encoding='utf-8', errors='ignore'))
''' LC CREATION NOT NECESSARY, SINCE WE'RE NOT TRANSCODING
# If we can, use the LC from the voice header as to keep all options intact # If we can, use the LC from the voice header as to keep all options intact
if _frame_type == HBPF_DATA_SYNC and _dtype_vseq == HBPF_SLT_VHEAD: if _frame_type == HBPF_DATA_SYNC and _dtype_vseq == HBPF_SLT_VHEAD:
decoded = decode.voice_head_term(dmrpkt) decoded = decode.voice_head_term(dmrpkt)
@ -792,27 +791,55 @@ class routerHBP(HBSYSTEM):
# just make a new one from the HBP header. This is good enough, and it saves lots of time # just make a new one from the HBP header. This is good enough, and it saves lots of time
else: else:
self.STATUS[_slot]['RX_LC'] = LC_OPT + _dst_id + _rf_src self.STATUS[_slot]['RX_LC'] = LC_OPT + _dst_id + _rf_src
'''
for _target in self._targets: for _target in self._targets:
_target_status = systems[_target].STATUS
_target_system = self._CONFIG['SYSTEMS'][_target]
if self._CONFIG['SYSTEMS'][_target]['MODE'] == 'OPENBRIDGE': if self._CONFIG['SYSTEMS'][_target]['MODE'] == 'OPENBRIDGE':
# THIS IS ONLY UNTIL OPENBRIDGE IS SUPPORTED # THIS IS ONLY UNTIL OPENBRIDGE IS SUPPORTED
continue continue
_target_status = systems[_target].STATUS
#_target_system = self._CONFIG['SYSTEMS'][_target]
# Is this a new call stream?
if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']):
# Record the DST TGID and Stream ID
_target_status[_slot]['TX_START'] = pkt_time
_target_status[_slot]['TX_TGID'] = _dst_id
_target_status[_slot]['TX_STREAM_ID'] = _stream_id
_target_status[_slot]['TX_RFS'] = _rf_src
_target_status[_slot]['TX_PEER'] = _peer_id
# Set other values for the contention handler to test next time there is a frame to forward else:
_target_status[_slot]['TX_TIME'] = pkt_time # BEGIN STANDARD CONTENTION HANDLING
_target_status[_slot]['TX_TYPE'] = _dtype_vseq #
# The rules for each of the 4 "ifs" below are listed here for readability. The Frame To Send is:
# From a different group than last RX from this HBSystem, but it has been less than Group Hangtime
# From a different group than last TX to this HBSystem, but it has been less than Group Hangtime
# From the same group as the last RX from this HBSystem, but from a different subscriber, and it has been less than stream timeout
# From the same group as the last TX to this HBSystem, but from a different subscriber, and it has been less than stream timeout
# The "continue" at the end of each means the next iteration of the for loop that tests for matching rules
#
if ((_dst_id != _target_status[_slot]['RX_TGID']) and ((pkt_time - _target_status[_slot]['RX_TIME']) < _target_system['GROUP_HANGTIME'])):
if _frame_type == HBPF_DATA_SYNC and _dtype_vseq == HBPF_SLT_VHEAD and self.STATUS[_slot]['RX_STREAM_ID'] != _stream_id:
logger.info('(%s) Call not routed to destination %s, target active or in group hangtime: HBSystem: %s, TS: %s, DEST: %s', self._system, int_id(_dst_id), _target, _slot, int_id(_target_status[_slot]['RX_TGID']))
continue
if ((_dst_id != _target_status[_slot]['TX_TGID']) and ((pkt_time - _target_status[_slot]['TX_TIME']) < _target_system['GROUP_HANGTIME'])):
if _frame_type == HBPF_DATA_SYNC and _dtype_vseq == HBPF_SLT_VHEAD and self.STATUS[_slot]['RX_STREAM_ID'] != _stream_id:
logger.info('(%s) Call not routed to destination %s, target in group hangtime: HBSystem: %s, TS: %s, DEST: %s', self._system, int_id(_dst_id), _target, _slot, int_id(_target_status[_slot]['TX_TGID']))
continue
if (_dst_id == _target_status[_slot]['RX_TGID']) and ((pkt_time - _target_status[_slot]['RX_TIME']) < STREAM_TO):
if _frame_type == HBPF_DATA_SYNC and _dtype_vseq == HBPF_SLT_VHEAD and self.STATUS[_slot]['RX_STREAM_ID'] != _stream_id:
logger.info('(%s) Call not routed to destination %s, matching call already active on target: HBSystem: %s, TS: %s, DEST: %s', self._system, int_id(_dst_id), _target, _slot, int_id(_target_status[_slot]['RX_TGID']))
continue
if (_dst_id == _target_status[_slot]['TX_TGID']) and (_rf_src != _target_status[_slot]['TX_RFS']) and ((pkt_time - _target_status[_slot]['TX_TIME']) < STREAM_TO):
if _frame_type == HBPF_DATA_SYNC and _dtype_vseq == HBPF_SLT_VHEAD and self.STATUS[_slot]['RX_STREAM_ID'] != _stream_id:
logger.info('(%s) Call not routed for subscriber %s, call route in progress on target: HBSystem: %s, TS: %s, DEST: %s, SUB: %s', self._system, int_id(_rf_src), _target, _slot, int_id(_target_status[_slot]['TX_TGID']), int_id(_target_status[_slot]['TX_RFS']))
continue
# Record target information if this is a new call stream?
if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']):
# Record the DST TGID and Stream ID
_target_status[_slot]['TX_START'] = pkt_time
_target_status[_slot]['TX_TGID'] = _dst_id
_target_status[_slot]['TX_STREAM_ID'] = _stream_id
_target_status[_slot]['TX_RFS'] = _rf_src
_target_status[_slot]['TX_PEER'] = _peer_id
# Set other values for the contention handler to test next time there is a frame to forward
_target_status[_slot]['TX_TIME'] = pkt_time
_target_status[_slot]['TX_TYPE'] = _dtype_vseq
#send the call: #send the call:
systems[_target].send_system(_data) systems[_target].send_system(_data)