def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot,
_call_type, _frame_type, _dtype_vseq, _stream_id, _data):
pkt_time = time()
dmrpkt = _data[20:53]
_bits = _data[15]
if _call_type == 'group':
# Is this is a new call stream?
if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']):
self.STATUS['RX_START'] = pkt_time
logger.info('(%s) *START RECORDING* STREAM ID: %s SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %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)
self.CALL_DATA.append(_data)
self.STATUS[_slot]['RX_STREAM_ID'] = _stream_id
return
# Final actions - Is this a voice terminator?
if (_frame_type == const.HBPF_DATA_SYNC) and (
_dtype_vseq == const.HBPF_SLT_VTERM) and (
self.STATUS[_slot]['RX_TYPE'] !=
const.HBPF_SLT_VTERM) and (self.CALL_DATA):
call_duration = pkt_time - self.STATUS['RX_START']
self.CALL_DATA.append(_data)
logger.info('(%s) *END RECORDING* STREAM ID: %s',
self._system, int_id(_stream_id))
sleep(2)
logger.info('(%s) *START PLAYBACK* STREAM ID: %s SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %s, Duration: %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, call_duration)
if (int_id(_dst_id) == 9996):
fout = open(
'/home/mmdvm/' + str(int_id(_stream_id)) + '.ambe',
'w+b')
for i in self.CALL_DATA:
if (int_id(_dst_id) == 9996):
fout.write(i)
# self.send_system(i)
self.send_system(i[:5] + bytes_3(int_id(_peer_id)) + i[8:])
#print(i)
sleep(0.06)
if (int_id(_dst_id) == 9996):
fout.close()
self.CALL_DATA = []
logger.info('(%s) *END PLAYBACK* STREAM ID: %s',
self._system, int_id(_stream_id))
else:
if self.CALL_DATA:
self.CALL_DATA.append(_data)
# Mark status variables for use later
self.STATUS[_slot]['RX_RFS'] = _rf_src
self.STATUS[_slot]['RX_TYPE'] = _dtype_vseq
self.STATUS[_slot]['RX_TGID'] = _dst_id
self.STATUS[_slot]['RX_TIME'] = pkt_time
self.STATUS[_slot]['RX_STREAM_ID'] = _stream_id
def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot,
_call_type, _frame_type, _dtype_vseq, _stream_id, _data):
pkt_time = time()
dmrpkt = _data[20:53]
_bits = _data[15]
if _call_type == 'group':
# Is this is a new call stream?
if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']):
self.STATUS['RX_START'] = pkt_time
logger.info('(%s) *START RECORDING* STREAM ID: %s SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %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)
self.CALL_DATA.append(_data)
self.STATUS[_slot]['RX_STREAM_ID'] = _stream_id
return
# Final actions - Is this a voice terminator?
if (_frame_type == const.HBPF_DATA_SYNC) and (
_dtype_vseq == const.HBPF_SLT_VTERM) and (
self.STATUS[_slot]['RX_TYPE'] !=
const.HBPF_SLT_VTERM) and (self.CALL_DATA):
call_duration = pkt_time - self.STATUS['RX_START']
#Change the stream ID
self.CALL_DATA.append(_data)
logger.info('(%s) *END RECORDING* STREAM ID: %s',
self._system, int_id(_stream_id))
sleep(2)
_new_stream_id = bytes_4(randint(0x00, 0xFFFFFFFF))
logger.info('(%s) *START PLAYBACK* STREAM ID: %s SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %s, Duration: %s', \
self._system, int_id(_new_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)
for i in self.CALL_DATA:
i = i[:16] + _new_stream_id + i[20:]
self.send_system(i)
sleep(0.06)
self.CALL_DATA = []
logger.info('(%s) *END PLAYBACK* STREAM ID: %s',
self._system, int_id(_new_stream_id))
else:
if self.CALL_DATA:
#Change the stream ID
self.CALL_DATA.append(_data)
# Mark status variables for use later
self.STATUS[_slot]['RX_RFS'] = _rf_src
self.STATUS[_slot]['RX_TYPE'] = _dtype_vseq
self.STATUS[_slot]['RX_TGID'] = _dst_id
self.STATUS[_slot]['RX_TIME'] = pkt_time
self.STATUS[_slot]['RX_STREAM_ID'] = _stream_id
def alias_call(_id, _dict):
alias = get_alias(_id, _dict, 'CALLSIGN')
if type(alias) == list:
for x, item in enumerate(alias):
if item == None:
alias.pop(x)
return ', '.join(alias)
else:
return str(alias)
def alias_string(_id, _dict):
alias = get_alias(_id, _dict, 'CALLSIGN', 'CITY', 'STATE')
if type(alias) == list:
for x, item in enumerate(alias):
if item == None:
alias.pop(x)
return ', '.join(alias)
else:
return alias
def alias_tgid(_id, _dict):
alias = get_alias(_id, _dict, 'NAME')
if type(alias) == list:
return str(alias[0])
else:
return str(alias)
def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot,
_call_type, _frame_type, _dtype_vseq, _stream_id, _data):
pkt_time = time()
dmrpkt = _data[20:53]
_bits = _data[15]
if _call_type == 'group':
# Is this is a new call stream?
new_stream = (_stream_id != self.STATUS[_slot]['RX_STREAM_ID'])
if new_stream:
self.STATUS[_slot]['RX_START'] = pkt_time
self.STATUS[_slot]['RX_LOSS'] = 0
self.STATUS[_slot]['RX_SEQ'] = _seq
logger.info('(%s) *CALL START* STREAM ID: %s SUB: %s (%s) PEER: %s (%s) TGID %s (%s), TS %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)
else:
# This could be much better, it will have errors during roll-over
if _seq > (self.STATUS[_slot]['RX_SEQ'] + 1):
#print(_seq, self.STATUS[_slot]['RX_SEQ'])
self.STATUS[_slot]['RX_LOSS'] += _seq - (
self.STATUS[_slot]['RX_SEQ'] + 1)
# Final actions - Is this a voice terminator?
if (_frame_type == const.HBPF_DATA_SYNC) and (
_dtype_vseq == const.HBPF_SLT_VTERM) and (
self.STATUS[_slot]['RX_TYPE'] != const.HBPF_SLT_VTERM):
call_duration = pkt_time - self.STATUS[_slot]['RX_START']
logger.info('(%s) *CALL END* STREAM ID: %s SUB: %s (%s) PEER: %s (%s) TGID %s (%s), TS %s, Loss: %s, Duration: %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, self.STATUS[_slot]['RX_LOSS'], call_duration)
for _target in self._CONFIG['SYSTEMS']:
if _target != self._system:
_target_status = systems[_target].STATUS
_target_system = self._CONFIG['SYSTEMS'][_target]
# BEGIN STANDARD CONTENTION HANDLING
#
# 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 == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD and self.STATUS[
_slot]['RX_STREAM_ID'] != _stream_id:
logger.info(
'(%s) Call not routed to TGID %s, target active or in group hangtime: HBSystem: %s, TS: %s, TGID: %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 == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD and self.STATUS[
_slot]['RX_STREAM_ID'] != _stream_id:
logger.info(
'(%s) Call not routed to TGID%s, target in group hangtime: HBSystem: %s, TS: %s, TGID: %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']) <
const.STREAM_TO):
if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD and self.STATUS[
_slot]['RX_STREAM_ID'] != _stream_id:
logger.info(
'(%s) Call not routed to TGID%s, matching call already active on target: HBSystem: %s, TS: %s, TGID: %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']) <
const.STREAM_TO):
if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.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, TGID: %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
# ACL Processing
if self._CONFIG['GLOBAL']['USE_ACL']:
if not acl_check(_rf_src,
self._CONFIG['GLOBAL']['SUB_ACL']):
if _stream_id != _target_status[_slot][
'TX_STREAM_ID']:
logger.info(
'(%s) CALL DROPPED ON EGRESS WITH STREAM ID %s FROM SUBSCRIBER %s BY GLOBAL ACL',
_target, int_id(_stream_id),
int_id(_rf_src))
_target_status[_slot][
'TX_STREAM_ID'] = _stream_id
continue
if _slot == 1 and not acl_check(
_dst_id, self._CONFIG['GLOBAL']['TG1_ACL']):
if _stream_id != _target_status[_slot][
'TX_STREAM_ID']:
logger.info(
'(%s) CALL DROPPED ON EGRESS WITH STREAM ID %s ON TGID %s BY GLOBAL TS1 ACL',
_target, int_id(_stream_id),
int_id(_dst_id))
_target_status[_slot][
'TX_STREAM_ID'] = _stream_id
continue
if _slot == 2 and not acl_check(
_dst_id, self._CONFIG['GLOBAL']['TG2_ACL']):
if _stream_id != _target_status[_slot][
'TX_STREAM_ID']:
logger.info(
'(%s) CALL DROPPED ON EGRESS WITH STREAM ID %s ON TGID %s BY GLOBAL TS2 ACL',
_target, int_id(_stream_id),
int_id(_dst_id))
_target_status[_slot][
'TX_STREAM_ID'] = _stream_id
continue
if _target_system['USE_ACL']:
if not acl_check(_rf_src, _target_system['SUB_ACL']):
if _stream_id != _target_status[_slot][
'TX_STREAM_ID']:
logger.info(
'(%s) CALL DROPPED ON EGRESS WITH STREAM ID %s FROM SUBSCRIBER %s BY SYSTEM ACL',
_target, int_id(_stream_id),
int_id(_rf_src))
_target_status[_slot][
'TX_STREAM_ID'] = _stream_id
continue
if _slot == 1 and not acl_check(
_dst_id, _target_system['TG1_ACL']):
if _stream_id != _target_status[_slot][
'TX_STREAM_ID']:
logger.info(
'(%s) CALL DROPPED ON EGRESS WITH STREAM ID %s ON TGID %s BY SYSTEM TS1 ACL',
_target, int_id(_stream_id),
int_id(_dst_id))
_target_status[_slot][
'TX_STREAM_ID'] = _stream_id
continue
if _slot == 2 and not acl_check(
_dst_id, _target_system['TG2_ACL']):
if _stream_id != _target_status[_slot][
'TX_STREAM_ID']:
logger.info(
'(%s) CALL DROPPED ON EGRESS WITH STREAM ID %s ON TGID %s BY SYSTEM TS2 ACL',
_target, int_id(_stream_id),
int_id(_dst_id))
_target_status[_slot][
'TX_STREAM_ID'] = _stream_id
continue
# Record this stuff for later
# Is this a new call stream?
if new_stream:
# 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_RFS'] = _rf_src
_target_status[_slot]['TX_PEER'] = _peer_id
_target_status[_slot]['TX_STREAM_ID'] = _stream_id
_target_status[_slot]['TX_TIME'] = pkt_time
systems[_target].send_system(_data)
#logger.debug('(%s) Packet routed to system: %s', self._system, _target)
# Mark status variables for use later
self.STATUS[_slot]['RX_RFS'] = _rf_src
self.STATUS[_slot]['RX_SEQ'] = _seq
self.STATUS[_slot]['RX_TYPE'] = _dtype_vseq
self.STATUS[_slot]['RX_TGID'] = _dst_id
self.STATUS[_slot]['RX_TIME'] = pkt_time
self.STATUS[_slot]['RX_STREAM_ID'] = _stream_id
def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot,
_call_type, _frame_type, _dtype_vseq, _stream_id, _data):
# Capture data headers
global n_packet_assembly
#logger.info(_dtype_vseq)
if int_id(_dst_id) == data_id:
#logger.info(type(_seq))
if type(_seq) is bytes:
pckt_seq = int.from_bytes(_seq, 'big')
else:
pckt_seq = _seq
if _call_type == call_type or (
_call_type == 'vcsbk'
and pckt_seq > 3): #int.from_bytes(_seq, 'big') > 3 ):
if _dtype_vseq == 6 or _dtype_vseq == 'group':
global btf
logger.info('Header from ' + str(int_id(_rf_src)))
logger.info(ahex(bptc_decode(_data)))
logger.info('Blocks to follow: ' +
str(ba2num(bptc_decode(_data)[65:72])))
btf = ba2num(bptc_decode(_data)[65:72])
# Data blocks at 1/2 rate, see https://github.com/g4klx/MMDVM/blob/master/DMRDefines.h for data types. _dtype_seq defined here also
if _dtype_vseq == 7:
btf = btf - 1
logger.info('Block #: ' + str(btf))
#logger.info(_seq)
global packet_assembly
logger.info('Data block from ' + str(int_id(_rf_src)))
logger.info(ahex(bptc_decode(_data)))
if _seq == 0:
n_packet_assembly = 0
packet_assembly = ''
if btf < btf + 1:
n_packet_assembly = n_packet_assembly + 1
packet_assembly = packet_assembly + str(
bptc_decode(_data)
) #str((decode_full_lc(b_packet)).strip('bitarray('))
# Use block 0 as trigger. $GPRMC must also be in string to indicate NMEA.
# This triggers the APRS upload
if btf == 0: #_seq == 12:
final_packet = bitarray(
re.sub("\)|\(|bitarray|'", '',
packet_assembly)).tobytes().decode(
'utf-8', 'ignore')
if '$GPRMC' in final_packet:
logger.info(final_packet + '\n')
logger.info('Latitude: ' +
re.sub(',', '', final_packet[29:40]) +
' Longitude: ' +
re.sub(',', '', final_packet[41:53]) +
' Direction: ' +
re.sub(',', '', final_packet[58:62]) +
' Speed: ' +
re.sub(',', '', final_packet[53:58]))
# Begin APRS format and upload
aprs_loc_packet = str(
get_alias(int_id(_rf_src), subscriber_ids)
) + '-' + str(user_ssid) + '>APRS,TCPIP*:/' + str(
datetime.datetime.utcnow().strftime("%H%M%Sh")
) + str(final_packet[29:36]) + str(
final_packet[39]) + '/' + str(
re.sub(',', '', final_packet[41:49])
) + str(
final_packet[52]
) + '[/' + aprs_comment + ' DMR ID: ' + str(
int_id(_rf_src))
logger.info(aprs_loc_packet)
try:
# Try parse of APRS packet. If it fails, it will not upload to APRS-IS
aprslib.parse(aprs_loc_packet)
AIS = aprslib.IS(aprs_callsign,
passwd=aprs_passcode,
host=aprs_server,
port=aprs_port)
AIS.connect()
AIS.sendall(aprs_loc_packet)
AIS.close()
except:
logger.info(
'Failed to parse packet. Packet may be deformed. Not uploaded.'
)
# Get callsign based on DMR ID
#logger.info(get_alias(int_id(_rf_src), subscriber_ids))
# End APRS-IS upload
else:
logger.info(final_packet)
packet_assembly = ''
logger.info(_seq)
#logger.info(_dtype_vseq)
logger.info(ahex(bptc_decode(_data)).decode('utf-8', 'ignore'))
#logger.info(bitarray(re.sub("\)|\(|bitarray|'", '', str(bptc_decode(_data)).tobytes().decode('utf-8', 'ignore'))))
else:
pass
