def make_rules(_hb_routing_rules):
try:
rule_file = import_module(_hb_routing_rules)
logger.info('Routing rules file found and rules imported')
except ImportError:
sys.exit('Routing rules file not found or invalid')
# Convert integer GROUP ID numbers from the config into hex strings
# we need to send in the actual data packets.
for _system in rule_file.RULES:
for _rule in rule_file.RULES[_system]['GROUP_VOICE']:
_rule['SRC_GROUP'] = hex_str_3(_rule['SRC_GROUP'])
_rule['DST_GROUP'] = hex_str_3(_rule['DST_GROUP'])
_rule['SRC_TS'] = _rule['SRC_TS']
_rule['DST_TS'] = _rule['DST_TS']
for i, e in enumerate(_rule['ON']):
_rule['ON'][i] = hex_str_3(_rule['ON'][i])
for i, e in enumerate(_rule['OFF']):
_rule['OFF'][i] = hex_str_3(_rule['OFF'][i])
_rule['TIMEOUT']= _rule['TIMEOUT']*60
_rule['TIMER'] = time() + _rule['TIMEOUT']
if _system not in CONFIG['SYSTEMS']:
sys.exit('ERROR: Routing rules found for system not configured main configuration')
for _system in CONFIG['SYSTEMS']:
if _system not in rule_file.RULES:
sys.exit('ERROR: Routing rules not found for all systems configured')
return rule_file.RULES
def make_bridge_config(_confbridge_rules):
try:
bridge_file = import_module(_confbridge_rules)
logger.info('Bridge configuration file found and imported')
except ImportError:
sys.exit('Bridge configuration file not found or invalid')
# Convert integer GROUP ID numbers from the config into hex strings
# we need to send in the actual data packets.
#
for _bridge in bridge_file.BRIDGES:
for _system in bridge_file.BRIDGES[_bridge]:
if _system['SYSTEM'] not in CONFIG['SYSTEMS']:
sys.exit('ERROR: Conference bridges found for system not configured main configuration')
_system['TGID'] = hex_str_3(_system['TGID'])
for i, e in enumerate(_system['ON']):
_system['ON'][i] = hex_str_3(_system['ON'][i])
for i, e in enumerate(_system['OFF']):
_system['OFF'][i] = hex_str_3(_system['OFF'][i])
for i, e in enumerate(_system['RESET']):
_system['RESET'][i] = hex_str_3(_system['RESET'][i])
_system['TIMEOUT'] = _system['TIMEOUT']*60
_system['TIMER'] = time()
return {'BRIDGE_CONF': bridge_file.BRIDGE_CONF, 'BRIDGES': bridge_file.BRIDGES, 'TRUNKS': bridge_file.TRUNKS}
def load_configuration(self, _file_name):
config = ConfigParser.ConfigParser()
if not config.read(_file_name):
sys.exit('Configuration file \'' + _file_name +
'\' is not a valid configuration file! Exiting...')
try:
for section in config.sections():
if section == 'DEFAULTS':
self._ambeRxPort = int(
config.get(section, 'fromGatewayPort').split(None)[0]
) # Port to listen on for AMBE frames to transmit to all peers
self._gateway = config.get(section, 'gateway').split(None)[
0] # IP address of Analog_Bridge app
self._gateway_port = int(
config.get(section, 'toGatewayPort').split(None)[0]
) # Port Analog_Bridge is listening on for AMBE frames to decode
if section == 'RULES':
for rule in config.items(section):
_old_tg, _new_tg, _new_slot = rule[1].split(',')
translate.add_rule(
hex_str_3(int(_old_tg)),
(hex_str_3(int(_new_tg)), int(_new_slot)))
except ConfigParser.Error, err:
traceback.print_exc()
sys.exit('Could not parse configuration file, ' + _file_name +
', exiting...')
def build_rules(_bridge_rules):
try:
rule_file = import_module(_bridge_rules)
logger.info('Bridge rules file found and rules imported')
except ImportError:
sys.exit('Bridging rules file not found or invalid')
# Convert integer GROUP ID numbers from the config into hex strings
# we need to send in the actual data packets.
#
for _ipsc in rule_file.RULES:
for _rule in rule_file.RULES[_ipsc]['GROUP_VOICE']:
_rule['SRC_GROUP'] = hex_str_3(_rule['SRC_GROUP'])
_rule['DST_GROUP'] = hex_str_3(_rule['DST_GROUP'])
_rule['SRC_TS'] = _rule['SRC_TS']
_rule['DST_TS'] = _rule['DST_TS']
for i, e in enumerate(_rule['ON']):
_rule['ON'][i] = hex_str_3(_rule['ON'][i])
for i, e in enumerate(_rule['OFF']):
_rule['OFF'][i] = hex_str_3(_rule['OFF'][i])
_rule['TIMEOUT']= _rule['TIMEOUT']*60
_rule['TIMER'] = time() + _rule['TIMEOUT']
if _ipsc not in CONFIG['SYSTEMS']:
sys.exit('ERROR: Bridge rules found for an IPSC network not configured in main configuration')
for _ipsc in CONFIG['SYSTEMS']:
if _ipsc not in rule_file.RULES:
sys.exit('ERROR: Bridge rules not found for all IPSC network configured')
return rule_file.RULES
def make_rules(_hb_routing_rules):
try:
rule_file = import_module(_hb_routing_rules)
logger.info('Routing rules file found and rules imported')
except ImportError:
sys.exit('Routing rules file not found or invalid')
# Convert integer GROUP ID numbers from the config into hex strings
# we need to send in the actual data packets.
for _system in rule_file.RULES:
for _rule in rule_file.RULES[_system]['GROUP_VOICE']:
_rule['SRC_GROUP'] = hex_str_3(_rule['SRC_GROUP'])
_rule['DST_GROUP'] = hex_str_3(_rule['DST_GROUP'])
_rule['SRC_TS'] = _rule['SRC_TS']
_rule['DST_TS'] = _rule['DST_TS']
for i, e in enumerate(_rule['ON']):
_rule['ON'][i] = hex_str_3(_rule['ON'][i])
for i, e in enumerate(_rule['OFF']):
_rule['OFF'][i] = hex_str_3(_rule['OFF'][i])
_rule['TIMEOUT'] = _rule['TIMEOUT'] * 60
_rule['TIMER'] = time() + _rule['TIMEOUT']
if _system not in CONFIG['SYSTEMS']:
sys.exit(
'ERROR: Routing rules found for system not configured main configuration'
)
for _system in CONFIG['SYSTEMS']:
if _system not in rule_file.RULES:
sys.exit(
'ERROR: Routing rules not found for all systems configured')
return rule_file.RULES
def build_rules(_bridge_rules):
try:
rule_file = import_module(_bridge_rules)
logger.info('Bridge rules file found and rules imported')
except ImportError:
sys.exit('Bridging rules file not found or invalid')
# Convert integer GROUP ID numbers from the config into hex strings
# we need to send in the actual data packets.
#
for _ipsc in rule_file.RULES:
for _rule in rule_file.RULES[_ipsc]['GROUP_VOICE']:
_rule['SRC_GROUP'] = hex_str_3(_rule['SRC_GROUP'])
_rule['DST_GROUP'] = hex_str_3(_rule['DST_GROUP'])
_rule['SRC_TS'] = _rule['SRC_TS']
_rule['DST_TS'] = _rule['DST_TS']
for i, e in enumerate(_rule['ON']):
_rule['ON'][i] = hex_str_3(_rule['ON'][i])
for i, e in enumerate(_rule['OFF']):
_rule['OFF'][i] = hex_str_3(_rule['OFF'][i])
_rule['TIMEOUT'] = _rule['TIMEOUT'] * 60
_rule['TIMER'] = time() + _rule['TIMEOUT']
if _ipsc not in CONFIG['SYSTEMS']:
sys.exit(
'ERROR: Bridge rules found for an IPSC network not configured in main configuration'
)
for _ipsc in CONFIG['SYSTEMS']:
if _ipsc not in rule_file.RULES:
sys.exit(
'ERROR: Bridge rules not found for all IPSC network configured'
)
return rule_file.RULES
def __init__(self, _slot, _rf_src, _dst_id, _repeater_id, _cc):
self.rf_src = hex_str_3(_rf_src) # DMR ID of sender
self.dst_id = hex_str_3(_dst_id) # Talk group to send to
self.repeater_id = hex_str_4(_repeater_id) # Repeater ID
self.slot = _slot # Slot to use
self.cc = _cc # Color code to use
self.type = 0 # 1=voice header, 2=voice terminator; voice, 0=burst A ... 5=burst F
self.stream_id = hex_str_4(0) # Stream id is same across a single session
self.frame_count = 0 # Count of frames in a session
self.start_time = 0 # Start of session
self.time = 0 # Current time in session. Used to calculate duration
def runTest(self, obj):
obj._logger.info('mike was here')
_rx_slot = obj.rx[1]
_rx_slot.slot = 1
_rx_slot.rf_src = hex_str_3(3113043)
_rx_slot.repeater_id = hex_str_4(311317)
_rx_slot.dst_id = hex_str_3(9)
_rx_slot.cc = 1
obj.sendBlankAmbe(_rx_slot, hex_str_4(randint(0, 0xFFFFFFFF)))
thread.start_new_thread(self.play_thread, (obj, ))
def build_acl(_sub_acl):
try:
logger.info(
'ACL file found, importing entries. This will take about 1.5 seconds per 1 million IDs'
)
acl_file = import_module(_sub_acl)
sections = acl_file.ACL.split(':')
ACL_ACTION = sections[0]
entries_str = sections[1]
ACL = set()
for entry in entries_str.split(','):
if '-' in entry:
start, end = entry.split('-')
start, end = int(start), int(end)
for id in range(start, end + 1):
ACL.add(hex_str_3(id))
else:
id = int(entry)
ACL.add(hex_str_3(id))
logger.info('ACL loaded: action "{}" for {:,} radio IDs'.format(
ACL_ACTION, len(ACL)))
except ImportError:
logger.info(
'ACL file not found or invalid - all subscriber IDs are valid')
ACL_ACTION = 'NONE'
# Depending on which type of ACL is used (PERMIT, DENY... or there isn't one)
# define a differnet function to be used to check the ACL
global allow_sub
if ACL_ACTION == 'PERMIT':
def allow_sub(_sub):
if _sub in ACL:
return True
else:
return False
elif ACL_ACTION == 'DENY':
def allow_sub(_sub):
if _sub not in ACL:
return True
else:
return False
else:
def allow_sub(_sub):
return True
return ACL
def build_acl(_sub_acl):
try:
acl_file = import_module(_sub_acl)
for i, e in enumerate(acl_file.ACL):
acl_file.ACL[i] = hex_str_3(acl_file.ACL[i])
logger.info('ACL file found and ACL entries imported')
ACL_ACTION = acl_file.ACL_ACTION
ACL = acl_file.ACL
except ImportError:
logger.info('ACL file not found or invalid - all subscriber IDs are valid')
ACL_ACTION = 'NONE'
ACL = []
# Depending on which type of ACL is used (PERMIT, DENY... or there isn't one)
# define a differnet function to be used to check the ACL
global allow_sub
if ACL_ACTION == 'PERMIT':
def allow_sub(_sub):
if _sub in ACL:
return True
else:
return False
elif ACL_ACTION == 'DENY':
def allow_sub(_sub):
if _sub not in ACL:
return True
else:
return False
else:
def allow_sub(_sub):
return True
return ACL
def readConfigFile(self, configFileName, sec, networkName='DEFAULTS'):
config = ConfigParser.ConfigParser()
try:
config.read(configFileName)
if sec == None:
sec = self.defaultOption(config, 'DEFAULTS', 'section', networkName)
if config.has_section(sec) == False:
logger.error('Section ' + sec + ' was not found, using DEFAULTS')
sec = 'DEFAULTS'
self._debug = bool(self.defaultOption(config, sec,'debug', self._debug) == 'True')
self._outToFile = bool(self.defaultOption(config, sec,'outToFile', self._outToFile) == 'True')
self._outToUDP = bool(self.defaultOption(config, sec,'outToUDP', self._outToUDP) == 'True')
self._gateway = self.defaultOption(config, sec,'gateway', self._gateway)
self._gateway_port = int(self.defaultOption(config, sec,'toGatewayPort', self._gateway_port))
self._remote_control_port = int(self.defaultOption(config, sec,'remoteControlPort', self._remote_control_port))
self._ambeRxPort = int(self.defaultOption(config, sec,'fromGatewayPort', self._ambeRxPort))
self._gateway_dmr_id = int(self.defaultOption(config, sec, 'gatewayDmrId', self._gateway_dmr_id))
_tgs = self.defaultOption(config, sec,'tgFilter', str(self._tg_filter).strip('[]'))
self._tg_filter = map(int, _tgs.split(','))
self._tx_tg = hex_str_3(int(self.defaultOption(config, sec, 'txTg', int_id(self._tx_tg))))
self._tx_ts = int(self.defaultOption(config, sec, 'txTs', self._tx_ts))
except ConfigParser.NoOptionError as e:
print('Using a default value:', e)
except:
traceback.print_exc()
sys.exit('Configuration file \''+configFileName+'\' is not a valid configuration file! Exiting...')
def build_acl(_sub_acl):
try:
acl_file = import_module(_sub_acl)
for i, e in enumerate(acl_file.ACL):
acl_file.ACL[i] = hex_str_3(acl_file.ACL[i])
logger.info('ACL file found and ACL entries imported')
ACL_ACTION = acl_file.ACL_ACTION
ACL = acl_file.ACL_ACTION
except ImportError:
logger.info('ACL file not found or invalid - all subscriber IDs are valid')
ACL_ACTION = 'NONE'
ACL = []
# Depending on which type of ACL is used (PERMIT, DENY... or there isn't one)
# define a differnet function to be used to check the ACL
global allow_sub
if ACL_ACTION == 'PERMIT':
def allow_sub(_sub):
if _sub in ACL:
return True
else:
return False
elif ACL_ACTION == 'DENY':
def allow_sub(_sub):
if _sub not in ACL:
return True
else:
return False
else:
def allow_sub(_sub):
return True
return ACL
def build_acl(_sub_acl):
try:
logger.info('ACL file found, importing entries. This will take about 1.5 seconds per 1 million IDs')
acl_file = import_module(_sub_acl)
sections = acl_file.ACL.split(':')
ACL_ACTION = sections[0]
entries_str = sections[1]
ACL = set()
for entry in entries_str.split(','):
if '-' in entry:
start,end = entry.split('-')
start,end = int(start), int(end)
for id in range(start, end+1):
ACL.add(hex_str_3(id))
else:
id = int(entry)
ACL.add(hex_str_3(id))
logger.info('ACL loaded: action "{}" for {:,} radio IDs'.format(ACL_ACTION, len(ACL)))
except ImportError:
logger.info('ACL file not found or invalid - all subscriber IDs are valid')
ACL_ACTION = 'NONE'
# Depending on which type of ACL is used (PERMIT, DENY... or there isn't one)
# define a differnet function to be used to check the ACL
global allow_sub
if ACL_ACTION == 'PERMIT':
def allow_sub(_sub):
if _sub in ACL:
return True
else:
return False
elif ACL_ACTION == 'DENY':
def allow_sub(_sub):
if _sub not in ACL:
return True
else:
return False
else:
def allow_sub(_sub):
return True
return ACL
def readConfigFile(self, configFileName, sec, networkName='DEFAULTS'):
config = ConfigParser.ConfigParser()
try:
config.read(configFileName)
if sec == None:
sec = self.defaultOption(config, 'DEFAULTS', 'section',
networkName)
if config.has_section(sec) == False:
logger.error('Section ' + sec +
' was not found, using DEFAULTS')
sec = 'DEFAULTS'
self._debug = bool(
self.defaultOption(config, sec, 'debug', self._debug) ==
'True')
self._outToFile = bool(
self.defaultOption(config, sec, 'outToFile', self._outToFile)
== 'True')
self._outToUDP = bool(
self.defaultOption(config, sec, 'outToUDP', self._outToUDP) ==
'True')
self._gateway = self.defaultOption(config, sec, 'gateway',
self._gateway)
self._gateway_port = int(
self.defaultOption(config, sec, 'toGatewayPort',
self._gateway_port))
self._remote_control_port = int(
self.defaultOption(config, sec, 'remoteControlPort',
self._remote_control_port))
self._ambeRxPort = int(
self.defaultOption(config, sec, 'fromGatewayPort',
self._ambeRxPort))
self._gateway_dmr_id = int(
self.defaultOption(config, sec, 'gatewayDmrId',
self._gateway_dmr_id))
_tgs = self.defaultOption(config, sec, 'tgFilter',
str(self._tg_filter).strip('[]'))
self._tg_filter = map(int, _tgs.split(','))
self._tx_tg = hex_str_3(
int(
self.defaultOption(config, sec, 'txTg',
int_id(self._tx_tg))))
self._tx_ts = int(
self.defaultOption(config, sec, 'txTs', self._tx_ts))
except ConfigParser.NoOptionError as e:
print('Using a default value:', e)
except:
traceback.print_exc()
sys.exit('Configuration file \'' + configFileName +
'\' is not a valid configuration file! Exiting...')
def playbackFromUDP(self, _sock):
_delay = 0.055 # Yes, I know it should be 0.06, but there seems to be some latency, so this is a hack
_src_sub = hex_str_3(self._gateway_dmr_id) # DMR ID to sign this transmission with
_src_peer = NETWORK[self._system]['LOCAL']['RADIO_ID'] # Use this peers ID as the source repeater
logger.info('Transmit from gateway to TG {}:'.format(int_id(self._tx_tg)) )
try:
try:
_t = open('template.bin', 'rb') # Open the template file. This was recorded OTA
_tempHead = [0] * 3 # It appears that there 3 frames of HEAD (mostly the same)
for i in range(0, 3):
_tempHead[i] = self.readRecord(_t, BURST_DATA_TYPE['VOICE_HEAD'])
_tempVoice = [0] * 6
for i in range(0, 6): # Then there are 6 frames of AMBE. We will just use them in order
_tempVoice[i] = self.readRecord(_t, BURST_DATA_TYPE['SLOT2_VOICE'])
_tempTerm = self.readRecord(_t, BURST_DATA_TYPE['VOICE_TERM'])
_t.close()
except IOError:
logger.error('Can not open template.bin file')
return
logger.debug('IPSC templates loaded')
_eof = False
self._seq = randint(0,32767) # A transmission uses a random number to begin its sequence (16 bit)
for i in range(0, 3): # Output the 3 HEAD frames to our peers
self.rewriteFrame(_tempHead[i], self._system, self._tx_ts, self._tx_tg, _src_sub, _src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _tempHead[i])
sleep(_delay)
i = 0 # Initialize the VOICE template index
while(_eof == False):
_ambe = self.readAmbeFrameFromUDP(_sock) # Read the 49*3 bit sample from the stream
if _ambe:
i = (i + 1) % 6 # Round robbin with the 6 VOICE templates
_frame = _tempVoice[i][:33] + _ambe + _tempVoice[i][52:] # Insert the 3 49 bit AMBE frames
self.rewriteFrame(_frame, self._system, self._tx_ts, self._tx_tg, _src_sub, _src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _frame)
sleep(_delay) # Since this comes from a file we have to add delay between IPSC frames
else:
_eof = True # There are no more AMBE frames, so terminate the loop
self.rewriteFrame(_tempTerm, self._system, self._tx_ts, self._tx_tg, _src_sub, _src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _tempTerm)
except IOError:
logger.error('Can not transmit to peers')
logger.info('Transmit complete')
def __init__(self, _name, _config, _logger, _report):
IPSC.__init__(self, _name, _config, _logger, _report)
self.CALL_DATA = []
if GROUP_SRC_SUB:
self._logger.info('Playback: USING SUBSCRIBER ID: %s FOR GROUP REPEAT', GROUP_SRC_SUB)
self.GROUP_SRC_SUB = hex_str_3(GROUP_SRC_SUB)
if GROUP_REPEAT:
self._logger.info('Playback: GROUP REPEAT ENABLED')
if PRIVATE_REPEAT:
self._logger.info('Playback: PRIVATE REPEAT ENABLED')
def __init__(self, _name, _config, _logger, _report):
IPSC.__init__(self, _name, _config, _logger, _report)
self.CALL_DATA = []
if GROUP_SRC_SUB:
self._logger.info(
'Playback: USING SUBSCRIBER ID: %s FOR GROUP REPEAT',
GROUP_SRC_SUB)
self.GROUP_SRC_SUB = hex_str_3(GROUP_SRC_SUB)
if GROUP_REPEAT:
self._logger.info('Playback: GROUP REPEAT ENABLED')
if PRIVATE_REPEAT:
self._logger.info('Playback: PRIVATE REPEAT ENABLED')
while True:
ts = raw_input('Which timeslot (1, 2 or \'both\')? ')
if ts == '1' or ts == '2' or ts == 'both':
if ts == '1':
ts = (1, )
if ts == '2':
ts = (2, )
if ts == 'both':
ts = (1, 2)
break
print('...input must be \'1\', \'2\' or \'both\'')
id = raw_input('Which Group or Subscriber ID to record? ')
id = int(id)
id = hex_str_3(id)
filename = raw_input('Filename to use for this recording? ')
class recordIPSC(IPSC):
def __init__(self, _name, _config, _logger):
IPSC.__init__(self, _name, _config, _logger)
self.CALL_DATA = []
#************************************************
# CALLBACK FUNCTIONS FOR USER PACKET TYPES
#************************************************
#
if tx_type == 'g':
print('Initializing to record GROUP VOICE transmission')
def remote_control(self, port):
s = socket.socket() # Create a socket object
s.bind(('', port)) # Bind to the port
s.listen(5) # Now wait for client connection.
logger.info('Remote control is listening on {}:{}'.format(
socket.getfqdn(), port))
while True:
c, addr = s.accept() # Establish connection with client.
logger.info('Got connection from {}'.format(addr))
self._dmrgui = addr[0]
_tmp = c.recv(1024)
_tmp = _tmp.split(None)[0] #first get rid of whitespace
_cmd = _tmp.split('=')[0]
logger.info('Command:"{}"'.format(_cmd))
if _cmd:
if _cmd == 'reread_subscribers':
reread_subscribers()
elif _cmd == 'reread_config':
self.readConfigFile(self._configFile, None,
self._currentNetwork)
elif _cmd == 'txTg':
self._tx_tg = hex_str_3(int(_tmp.split('=')[1]))
print('New txTg = ' + str(int_id(self._tx_tg)))
elif _cmd == 'txTs':
self._tx_ts = int(_tmp.split('=')[1])
print('New txTs = ' + str(self._tx_ts))
elif _cmd == 'section':
self.readConfigFile(self._configFile, _tmp.split('=')[1])
elif _cmd == 'gateway_dmr_id':
self._gateway_dmr_id = int(_tmp.split('=')[1])
print('New gateway_dmr_id = ' + str(self._gateway_dmr_id))
elif _cmd == 'gateway_peer_id':
peerID = int(_tmp.split('=')[1])
self._config['LOCAL']['RADIO_ID'] = hex_str_3(peerID)
print('New peer_id = ' + str(peerID))
elif _cmd == 'restart':
reactor.callFromThread(reactor.stop)
elif _cmd == 'playbackFromFile':
self.playbackFromFile('ambe.bin')
elif _cmd == 'tgs':
_args = _tmp.split('=')[1]
self._tg_filter = map(int, _args.split(','))
logger.info('New TGs={}'.format(self._tg_filter))
elif _cmd == 'dump_template':
self.dumpTemplate('PrivateVoice.bin')
elif _cmd == 'get_alias':
self._sock.sendto(
'reply dmr_info {} {} {} {}'.format(
self._currentNetwork,
int_id(self._CONFIG[self._currentNetwork]['LOCAL']
['RADIO_ID']), self._gateway_dmr_id,
get_subscriber_info(hex_str_3(
self._gateway_dmr_id))), (self._dmrgui, 34003))
elif _cmd == 'eval':
_sz = len(_tmp) - 5
_evalExpression = _tmp[-_sz:]
_evalResult = eval(_evalExpression)
print("eval of {} is {}".format(_evalExpression,
_evalResult))
self._sock.sendto('reply eval {}'.format(_evalResult),
(self._dmrgui, 34003))
elif _cmd == 'exec':
_sz = len(_tmp) - 5
_evalExpression = _tmp[-_sz:]
exec(_evalExpression)
print("exec of {}".format(_evalExpression))
else:
logger.error('Unknown command')
c.close() # Close the connection
class ambeIPSC(IPSC):
_configFile = 'ambe_audio.cfg' # Name of the config file to over-ride these default values
_debug = False # Debug output for each VOICE frame
_outToFile = False # Write each AMBE frame to a file called ambe.bin
_outToUDP = True # Send each AMBE frame to the _sock object (turn on/off DMRGateway operation)
#_gateway = "192.168.1.184"
_gateway = "127.0.0.1" # IP address of DMRGateway app
_gateway_port = 31000 # Port DMRGateway is listening on for AMBE frames to decode
_remote_control_port = 31002 # Port that ambe_audio is listening on for remote control commands
_ambeRxPort = 31003 # Port to listen on for AMBE frames to transmit to all peers
_gateway_dmr_id = 0 # id to use when transmitting from the gateway
_tg_filter = [2, 3, 13, 3174, 3777215, 3100, 9, 9998,
3112] #set this to the tg to monitor
_no_tg = -99 # Flag (const) that defines a value for "no tg is currently active"
_busy_slots = [
0, 0, 0
] # Keep track of activity on each slot. Make sure app is polite
_sock = -1
# Socket object to send AMBE to DMRGateway
lastPacketTimeout = 0 # Time of last packet. Used to trigger an artifical TERM if one was not seen
_transmitStartTime = 0 # Used for info on transmission duration
_start_seq = 0 # Used to maintain error statistics for a transmission
_packet_count = 0 # Used to maintain error statistics for a transmission
_seq = 0 # Transmit frame sequence number (auto-increments for each frame)
_f = None # File handle for debug AMBE binary output
_tx_tg = hex_str_3(
9998
) # Hard code the destination TG. This ensures traffic will not show up on DMR-MARC
_tx_ts = 2 # Time Slot 2
_currentNetwork = ""
_dmrgui = ''
###### DEBUGDEBUGDEBUG
#_d = None
###### DEBUGDEBUGDEBUG
def __init__(self, _name, _config, _logger, _report):
IPSC.__init__(self, _name, _config, _logger, _report)
self.CALL_DATA = []
#
# Define default values for operation. These will be overridden by the .cfg file if found
#
self._currentTG = self._no_tg
self._currentNetwork = str(_name)
self.readConfigFile(self._configFile, None, self._currentNetwork)
logger.info('DMRLink ambe server')
if self._gateway_dmr_id == 0:
sys.exit("Error: gatewayDmrId must be set (greater than zero)")
#
# Open output sincs
#
if self._outToFile == True:
self._f = open('ambe.bin', 'wb')
logger.info('Opening output file: ambe.bin')
if self._outToUDP == True:
self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
logger.info('Send UDP frames to DMR gateway {}:{}'.format(
self._gateway, self._gateway_port))
###### DEBUGDEBUGDEBUG
#self._d = open('recordData.bin', 'wb')
###### DEBUGDEBUGDEBUG
try:
thread.start_new_thread(self.remote_control,
(self._remote_control_port,
)) # Listen for remote control commands
thread.start_new_thread(
self.launchUDP,
(_name,
)) # Package AMBE into IPSC frames and send to all peers
except:
traceback.print_exc()
logger.error("Error: unable to start thread")
# Utility function to convert bytes to string of hex values (for debug)
def ByteToHex(self, byteStr):
return ''.join(["%02X " % ord(x) for x in byteStr]).strip()
#
# Now read the configuration file and parse out the values we need
#
def defaultOption(self, config, sec, opt, defaultValue):
try:
_value = config.get(
sec,
opt).split(None)[0] # Get the value from the named section
except ConfigParser.NoOptionError as e:
try:
_value = config.get(
'DEFAULTS',
opt).split(None)[0] # Try the global DEFAULTS section
except ConfigParser.NoOptionError as e:
_value = defaultValue # Not found anywhere, use the default value
logger.info(opt + ' = ' + str(_value))
return _value
def readConfigFile(self, configFileName, sec, networkName='DEFAULTS'):
config = ConfigParser.ConfigParser()
try:
config.read(configFileName)
if sec == None:
sec = self.defaultOption(config, 'DEFAULTS', 'section',
networkName)
if config.has_section(sec) == False:
logger.error('Section ' + sec +
' was not found, using DEFAULTS')
sec = 'DEFAULTS'
self._debug = bool(
self.defaultOption(config, sec, 'debug', self._debug) ==
'True')
self._outToFile = bool(
self.defaultOption(config, sec, 'outToFile', self._outToFile)
== 'True')
self._outToUDP = bool(
self.defaultOption(config, sec, 'outToUDP', self._outToUDP) ==
'True')
self._gateway = self.defaultOption(config, sec, 'gateway',
self._gateway)
self._gateway_port = int(
self.defaultOption(config, sec, 'toGatewayPort',
self._gateway_port))
self._remote_control_port = int(
self.defaultOption(config, sec, 'remoteControlPort',
self._remote_control_port))
self._ambeRxPort = int(
self.defaultOption(config, sec, 'fromGatewayPort',
self._ambeRxPort))
self._gateway_dmr_id = int(
self.defaultOption(config, sec, 'gatewayDmrId',
self._gateway_dmr_id))
_tgs = self.defaultOption(config, sec, 'tgFilter',
str(self._tg_filter).strip('[]'))
self._tg_filter = map(int, _tgs.split(','))
self._tx_tg = hex_str_3(
int(
self.defaultOption(config, sec, 'txTg',
int_id(self._tx_tg))))
self._tx_ts = int(
self.defaultOption(config, sec, 'txTs', self._tx_ts))
except ConfigParser.NoOptionError as e:
print('Using a default value:', e)
except:
traceback.print_exc()
sys.exit('Configuration file \'' + configFileName +
'\' is not a valid configuration file! Exiting...')
def rewriteFrame(self, _frame, _newSlot, _newGroup, _newSouceID,
_newPeerID):
_peerid = _frame[1:5] # int32 peer who is sending us a packet
_src_sub = _frame[6:9] # int32 Id of source
_burst_data_type = _frame[30]
########################################################################
# re-Write the peer radio ID to that of this program
_frame = _frame.replace(_peerid, _newPeerID)
# re-Write the source subscriber ID to that of this program
_frame = _frame.replace(_src_sub, _newSouceID)
# Re-Write the destination Group ID
_frame = _frame.replace(_frame[9:12], _newGroup)
# Re-Write IPSC timeslot value
_call_info = int_id(_frame[17:18])
if _newSlot == 1:
_call_info &= ~(1 << 5)
elif _newSlot == 2:
_call_info |= 1 << 5
_call_info = chr(_call_info)
_frame = _frame[:17] + _call_info + _frame[18:]
_x = struct.pack("i", self._seq)
_frame = _frame[:20] + _x[1] + _x[0] + _frame[22:]
self._seq = self._seq + 1
# Re-Write DMR timeslot value
# Determine if the slot is present, so we can translate if need be
if _burst_data_type == BURST_DATA_TYPE[
'SLOT1_VOICE'] or _burst_data_type == BURST_DATA_TYPE[
'SLOT2_VOICE']:
# Re-Write timeslot if necessary...
if _newSlot == 1:
_burst_data_type = BURST_DATA_TYPE['SLOT1_VOICE']
elif _newSlot == 2:
_burst_data_type = BURST_DATA_TYPE['SLOT2_VOICE']
_frame = _frame[:30] + _burst_data_type + _frame[31:]
if (time() - self._busy_slots[_newSlot]
) >= 0.10: # slot is not busy so it is safe to transmit
# Send the packet to all peers in the target IPSC
self.send_to_ipsc(_frame)
else:
logger.info(
'Slot {} is busy, will not transmit packet from gateway'.
format(_newSlot))
########################################################################
# Read a record from the captured IPSC file looking for a payload type that matches the filter
def readRecord(self, _file, _match_type):
_notEOF = True
# _file.seek(0)
while (_notEOF):
_data = ""
_bLen = _file.read(4)
if _bLen:
_len, = struct.unpack("i", _bLen)
if _len > 0:
_data = _file.read(_len)
_payload_type = _data[30]
if _payload_type == _match_type:
return _data
else:
_notEOF = False
else:
_notEOF = False
return _data
# Read bytes from the socket with "timeout" I hate this code.
def readSock(self, _sock, len):
counter = 0
while (counter < 3):
_ambe = _sock.recv(len)
if _ambe: break
sleep(0.1)
counter = counter + 1
return _ambe
# Concatenate 3 frames from the stream into a bit array and return the bytes
def readAmbeFrameFromUDP(self, _sock):
_ambeAll = BitArray() # Start with an empty array
for i in range(0, 3):
_ambe = self.readSock(_sock, 7) # Read AMBE from the socket
if _ambe:
_ambe1 = BitArray('0x' + h(_ambe[0:49]))
_ambeAll += _ambe1[0:50] # Append the 49 bits to the string
else:
break
return _ambeAll.tobytes() # Return the 49 * 3 as an array of bytes
# Set up the socket and run the method to gather the AMBE. Sending it to all peers
def launchUDP(self, _name):
s = socket.socket() # Create a socket object
s.bind(('', self._ambeRxPort)) # Bind to the port
while (1): # Forever!
s.listen(5) # Now wait for client connection.
_sock, addr = s.accept() # Establish connection with client.
if int_id(self._tx_tg) > 0: # Test if we are allowed to transmit
self.playbackFromUDP(_sock) # SSZ was here.
else:
self.transmitDisabled(
_sock,
self._system) #tg is zero, so just eat the network trafic
_sock.close()
# This represents a full transmission (HEAD, VOICE and TERM)
def playbackFromUDP(self, _sock):
_delay = 0.055 # Yes, I know it should be 0.06, but there seems to be some latency, so this is a hack
_src_sub = hex_str_3(
self._gateway_dmr_id) # DMR ID to sign this transmission with
_src_peer = self._config['LOCAL'][
'RADIO_ID'] # Use this peers ID as the source repeater
logger.info('Transmit from gateway to TG {}:'.format(
int_id(self._tx_tg)))
try:
try:
_t = open(
'template.bin',
'rb') # Open the template file. This was recorded OTA
_tempHead = [
0
] * 3 # It appears that there 3 frames of HEAD (mostly the same)
for i in range(0, 3):
_tempHead[i] = self.readRecord(
_t, BURST_DATA_TYPE['VOICE_HEAD'])
_tempVoice = [0] * 6
for i in range(
0, 6
): # Then there are 6 frames of AMBE. We will just use them in order
_tempVoice[i] = self.readRecord(
_t, BURST_DATA_TYPE['SLOT2_VOICE'])
_tempTerm = self.readRecord(_t, BURST_DATA_TYPE['VOICE_TERM'])
_t.close()
except IOError:
logger.error('Can not open template.bin file')
return
logger.debug('IPSC templates loaded')
_eof = False
self._seq = randint(
0, 32767
) # A transmission uses a random number to begin its sequence (16 bit)
for i in range(0, 3): # Output the 3 HEAD frames to our peers
self.rewriteFrame(_tempHead[i], self._tx_ts, self._tx_tg,
_src_sub, _src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _tempHead[i])
sleep(_delay)
i = 0 # Initialize the VOICE template index
while (_eof == False):
_ambe = self.readAmbeFrameFromUDP(
_sock) # Read the 49*3 bit sample from the stream
if _ambe:
i = (i + 1) % 6 # Round robbin with the 6 VOICE templates
_frame = _tempVoice[i][:33] + _ambe + _tempVoice[i][
52:] # Insert the 3 49 bit AMBE frames
self.rewriteFrame(_frame, self._tx_ts, self._tx_tg,
_src_sub, _src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _frame)
sleep(
_delay
) # Since this comes from a file we have to add delay between IPSC frames
else:
_eof = True # There are no more AMBE frames, so terminate the loop
self.rewriteFrame(_tempTerm, self._tx_ts, self._tx_tg, _src_sub,
_src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _tempTerm)
except IOError:
logger.error('Can not transmit to peers')
logger.info('Transmit complete')
def transmitDisabled(self, _sock):
_eof = False
logger.debug('Transmit disabled begin')
while (_eof == False):
if self.readAmbeFrameFromUDP(_sock):
pass
else:
_eof = True # There are no more AMBE frames, so terminate the loop
logger.debug('Transmit disabled end')
# Debug method used to test the AMBE code.
def playbackFromFile(self, _fileName):
_r = open(_fileName, 'rb')
_eof = False
host = socket.gethostbyname(
socket.gethostname()) # Get local machine name
_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
_sock.connect((host, self._ambeRxPort))
while (_eof == False):
for i in range(0, 3):
_ambe = _r.read(7)
if _ambe:
_sock.send(_ambe)
else:
_eof = True
sleep(0.055)
logger.info('File playback complete')
def dumpTemplate(self, _fileName):
_file = open(_fileName, 'rb')
_eof = False
while (_eof == False):
_data = ""
_bLen = _file.read(4)
if _bLen:
_len, = struct.unpack("i", _bLen)
if _len > 0:
_data = _file.read(_len)
self.dumpIPSCFrame(_data)
else:
_eof = True
logger.info('File dump complete')
#************************************************
# CALLBACK FUNCTIONS FOR USER PACKET TYPES
#************************************************
#
def group_voice(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
#self.dumpIPSCFrame(_data)
# THIS FUNCTION IS NOT COMPLETE!!!!
_payload_type = _data[30:31]
# _ambe_frames = _data[33:52]
_ambe_frames = BitArray('0x' + h(_data[33:52]))
_ambe_frame1 = _ambe_frames[0:49]
_ambe_frame2 = _ambe_frames[50:99]
_ambe_frame3 = _ambe_frames[100:149]
_tg_id = int_id(_dst_sub)
self._busy_slots[_ts] = time()
###### DEBUGDEBUGDEBUG
# if _tg_id == 2:
# __iLen = len(_data)
# self._d.write(struct.pack("i", __iLen))
# self._d.write(_data)
# else:
# self.rewriteFrame(_data, 1, 9)
###### DEBUGDEBUGDEBUG
if _tg_id in self._tg_filter: #All TGs
_dst_sub = get_alias(_dst_sub, talkgroup_ids)
if _payload_type == BURST_DATA_TYPE['VOICE_HEAD']:
if self._currentTG == self._no_tg:
_src_sub = get_subscriber_info(_src_sub)
logger.info(
'Voice Transmission Start on TS {} and TG {} ({}) from {}'
.format(_ts, _dst_sub, _tg_id, _src_sub))
self._sock.sendto(
'reply log2 {} {}'.format(_src_sub, _tg_id),
(self._dmrgui, 34003))
self._currentTG = _tg_id
self._transmitStartTime = time()
self._start_seq = int_id(_data[20:22])
self._packet_count = 0
else:
if self._currentTG != _tg_id:
if time() > self.lastPacketTimeout:
self._currentTG = self._no_tg #looks like we never saw an EOT from the last stream
logger.warning('EOT timeout')
else:
logger.warning(
'Transmission in progress, will not decode stream on TG {}'
.format(_tg_id))
if self._currentTG == _tg_id:
if _payload_type == BURST_DATA_TYPE['VOICE_TERM']:
_source_packets = (
int_id(_data[20:22]) - self._start_seq
) - 3 # the 3 is because the start and end are not part of the voice but counted in the RTP
if self._packet_count > _source_packets:
self._packet_count = _source_packets
if _source_packets > 0:
_lost_percentage = 100.0 - (
(self._packet_count / float(_source_packets)) *
100.0)
else:
_lost_percentage = 0.0
_duration = (time() - self._transmitStartTime)
logger.info(
'Voice Transmission End {:.2f} seconds loss rate: {:.2f}% ({}/{})'
.format(_duration, _lost_percentage,
_source_packets - self._packet_count,
_source_packets))
self._sock.sendto(
"reply log" +
strftime(" %m/%d/%y %H:%M:%S",
localtime(self._transmitStartTime)) +
' {} {} "{}"'.format(get_subscriber_info(_src_sub),
_ts, _dst_sub) +
' {:.2f}%'.format(_lost_percentage) +
' {:.2f}s'.format(_duration), (self._dmrgui, 34003))
self._currentTG = self._no_tg
if _payload_type == BURST_DATA_TYPE['SLOT1_VOICE']:
self.outputFrames(_ambe_frames, _ambe_frame1, _ambe_frame2,
_ambe_frame3)
self._packet_count += 1
if _payload_type == BURST_DATA_TYPE['SLOT2_VOICE']:
self.outputFrames(_ambe_frames, _ambe_frame1, _ambe_frame2,
_ambe_frame3)
self._packet_count += 1
self.lastPacketTimeout = time() + 10
else:
if _payload_type == BURST_DATA_TYPE['VOICE_HEAD']:
_dst_sub = get_alias(_dst_sub, talkgroup_ids)
logger.warning(
'Ignored Voice Transmission Start on TS {} and TG {}'.
format(_ts, _dst_sub))
def outputFrames(self, _ambe_frames, _ambe_frame1, _ambe_frame2,
_ambe_frame3):
if self._debug == True:
logger.debug(_ambe_frames)
logger.debug('Frame 1:', self.ByteToHex(_ambe_frame1.tobytes()))
logger.debug('Frame 2:', self.ByteToHex(_ambe_frame2.tobytes()))
logger.debug('Frame 3:', self.ByteToHex(_ambe_frame3.tobytes()))
if self._outToFile == True:
self._f.write(_ambe_frame1.tobytes())
self._f.write(_ambe_frame2.tobytes())
self._f.write(_ambe_frame3.tobytes())
if self._outToUDP == True:
self._sock.sendto(_ambe_frame1.tobytes(),
(self._gateway, self._gateway_port))
self._sock.sendto(_ambe_frame2.tobytes(),
(self._gateway, self._gateway_port))
self._sock.sendto(_ambe_frame3.tobytes(),
(self._gateway, self._gateway_port))
def private_voice(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
print('private voice')
# __iLen = len(_data)
# self._d.write(struct.pack("i", __iLen))
# self._d.write(_data)
#
# Remote control thread
# Use netcat to dynamically change ambe_audio without a restart
# echo -n "tgs=x,y,z" | nc 127.0.0.1 31002
# echo -n "reread_subscribers" | nc 127.0.0.1 31002
# echo -n "reread_config" | nc 127.0.0.1 31002
# echo -n "txTg=##" | nc 127.0.0.1 31002
# echo -n "txTs=#" | nc 127.0.0.1 31002
# echo -n "section=XX" | nc 127.0.0.1 31002
#
def remote_control(self, port):
s = socket.socket() # Create a socket object
s.bind(('', port)) # Bind to the port
s.listen(5) # Now wait for client connection.
logger.info('Remote control is listening on {}:{}'.format(
socket.getfqdn(), port))
while True:
c, addr = s.accept() # Establish connection with client.
logger.info('Got connection from {}'.format(addr))
self._dmrgui = addr[0]
_tmp = c.recv(1024)
_tmp = _tmp.split(None)[0] #first get rid of whitespace
_cmd = _tmp.split('=')[0]
logger.info('Command:"{}"'.format(_cmd))
if _cmd:
if _cmd == 'reread_subscribers':
reread_subscribers()
elif _cmd == 'reread_config':
self.readConfigFile(self._configFile, None,
self._currentNetwork)
elif _cmd == 'txTg':
self._tx_tg = hex_str_3(int(_tmp.split('=')[1]))
print('New txTg = ' + str(int_id(self._tx_tg)))
elif _cmd == 'txTs':
self._tx_ts = int(_tmp.split('=')[1])
print('New txTs = ' + str(self._tx_ts))
elif _cmd == 'section':
self.readConfigFile(self._configFile, _tmp.split('=')[1])
elif _cmd == 'gateway_dmr_id':
self._gateway_dmr_id = int(_tmp.split('=')[1])
print('New gateway_dmr_id = ' + str(self._gateway_dmr_id))
elif _cmd == 'gateway_peer_id':
peerID = int(_tmp.split('=')[1])
self._config['LOCAL']['RADIO_ID'] = hex_str_3(peerID)
print('New peer_id = ' + str(peerID))
elif _cmd == 'restart':
reactor.callFromThread(reactor.stop)
elif _cmd == 'playbackFromFile':
self.playbackFromFile('ambe.bin')
elif _cmd == 'tgs':
_args = _tmp.split('=')[1]
self._tg_filter = map(int, _args.split(','))
logger.info('New TGs={}'.format(self._tg_filter))
elif _cmd == 'dump_template':
self.dumpTemplate('PrivateVoice.bin')
elif _cmd == 'get_alias':
self._sock.sendto(
'reply dmr_info {} {} {} {}'.format(
self._currentNetwork,
int_id(self._CONFIG[self._currentNetwork]['LOCAL']
['RADIO_ID']), self._gateway_dmr_id,
get_subscriber_info(hex_str_3(
self._gateway_dmr_id))), (self._dmrgui, 34003))
elif _cmd == 'eval':
_sz = len(_tmp) - 5
_evalExpression = _tmp[-_sz:]
_evalResult = eval(_evalExpression)
print("eval of {} is {}".format(_evalExpression,
_evalResult))
self._sock.sendto('reply eval {}'.format(_evalResult),
(self._dmrgui, 34003))
elif _cmd == 'exec':
_sz = len(_tmp) - 5
_evalExpression = _tmp[-_sz:]
exec(_evalExpression)
print("exec of {}".format(_evalExpression))
else:
logger.error('Unknown command')
c.close() # Close the connection
#************************************************
# Debug: print IPSC frame on console
#************************************************
def dumpIPSCFrame(self, _frame):
_packettype = int_id(
_frame[0:1]
) # int8 GROUP_VOICE, PVT_VOICE, GROUP_DATA, PVT_DATA, CALL_MON_STATUS, CALL_MON_RPT, CALL_MON_NACK, XCMP_XNL, RPT_WAKE_UP, DE_REG_REQ
_peerid = int_id(_frame[1:5]) # int32 peer who is sending us a packet
_ipsc_seq = int_id(
_frame[5:6]) # int8 looks like a sequence number for a packet
_src_sub = int_id(_frame[6:9]) # int32 Id of source
_dst_sub = int_id(_frame[9:12]) # int32 Id of destination
_call_type = int_id(_frame[12:13]) # int8 Priority Voice/Data
_call_ctrl_info = int_id(_frame[13:17]) # int32
_call_info = int_id(
_frame[17:18]) # int8 Bits 6 and 7 defined as TS and END
# parse out the RTP values
_rtp_byte_1 = int_id(_frame[18:19]) # Call Ctrl Src
_rtp_byte_2 = int_id(_frame[19:20]) # Type
_rtp_seq = int_id(_frame[20:22]) # Call Seq No
_rtp_tmstmp = int_id(_frame[22:26]) # Timestamp
_rtp_ssid = int_id(_frame[26:30]) # Sync Src Id
_payload_type = _frame[
30] # int8 VOICE_HEAD, VOICE_TERM, SLOT1_VOICE, SLOT2_VOICE
_ts = bool(_call_info & TS_CALL_MSK)
_end = bool(_call_info & END_MSK)
if _payload_type == BURST_DATA_TYPE['VOICE_HEAD']:
print('HEAD:', h(_frame))
if _payload_type == BURST_DATA_TYPE['VOICE_TERM']:
_ipsc_rssi_threshold_and_parity = int_id(_frame[31])
_ipsc_length_to_follow = int_id(_frame[32:34])
_ipsc_rssi_status = int_id(_frame[34])
_ipsc_slot_type_sync = int_id(_frame[35])
_ipsc_data_size = int_id(_frame[36:38])
_ipsc_data = _frame[38:38 + (_ipsc_length_to_follow * 2) - 4]
_ipsc_full_lc_byte1 = int_id(_frame[38])
_ipsc_full_lc_fid = int_id(_frame[39])
_ipsc_voice_pdu_service_options = int_id(_frame[40])
_ipsc_voice_pdu_dst = int_id(_frame[41:44])
_ipsc_voice_pdu_src = int_id(_frame[44:47])
print('{} {} {} {} {} {} {} {} {} {} {}'.format(
_ipsc_rssi_threshold_and_parity, _ipsc_length_to_follow,
_ipsc_rssi_status, _ipsc_slot_type_sync, _ipsc_data_size,
h(_ipsc_data), _ipsc_full_lc_byte1, _ipsc_full_lc_fid,
_ipsc_voice_pdu_service_options, _ipsc_voice_pdu_dst,
_ipsc_voice_pdu_src))
print('TERM:', h(_frame))
if _payload_type == BURST_DATA_TYPE['SLOT1_VOICE']:
_rtp_len = _frame[31:32]
_ambe = _frame[33:52]
print('SLOT1:', h(_frame))
if _payload_type == BURST_DATA_TYPE['SLOT2_VOICE']:
_rtp_len = _frame[31:32]
_ambe = _frame[33:52]
print('SLOT2:', h(_frame))
print(
"pt={:02X} pid={} seq={:02X} src={} dst={} ct={:02X} uk={} ci={} rsq={}"
.format(_packettype, _peerid, _ipsc_seq, _src_sub, _dst_sub,
_call_type, _call_ctrl_info, _call_info, _rtp_seq))
from dmrlink import IPSC, mk_ipsc_systems, systems, reportFactory, build_aliases, config_reports
from dmr_utils.utils import int_id, hex_str_3
__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2014 Cortney T. Buffington, N0MJS and the K0USY Group'
__credits__ = 'Adam Fast, KC0YLK; Dave Kierzkowski, KD8EYF'
__license__ = 'GNU GPLv3'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = '*****@*****.**'
try:
from playback_config import *
except ImportError:
sys.exit('Configuration file not found or invalid')
HEX_TGID = hex_str_3(TGID)
HEX_SUB = hex_str_3(SUB)
BOGUS_SUB = '\xFF\xFF\xFF'
class playbackIPSC(IPSC):
def __init__(self, _name, _config, _logger, _report):
IPSC.__init__(self, _name, _config, _logger, _report)
self.CALL_DATA = []
if GROUP_SRC_SUB:
self._logger.info(
'Playback: USING SUBSCRIBER ID: %s FOR GROUP REPEAT',
GROUP_SRC_SUB)
self.GROUP_SRC_SUB = hex_str_3(GROUP_SRC_SUB)
# Parse out the TLV
t = _data[0]
if (t):
l = _data[1]
if (l):
v = _data[2:]
if (v):
t = ord(t)
if (t == TAG_BEGIN_TX) or (t == TAG_SET_INFO):
if ord(l) > 1:
_slot = int_id(v[10:11])
_rx_slot = self.rx[_slot]
_rx_slot.slot = _slot
_rx_slot.rf_src = hex_str_3(int_id(v[0:3]))
_rx_slot.repeater_id = self._parent.get_repeater_id(
hex_str_4(int_id(v[3:7])))
_rx_slot.dst_id = hex_str_3(int_id(v[7:10]))
_rx_slot.cc = int_id(v[11:12])
if t == TAG_BEGIN_TX:
_rx_slot.stream_id = hex_str_4(
randint(0, 0xFFFFFFFF)
) # Every stream has a unique ID
self._logger.info('(%s) Begin AMBE encode STREAM ID: %s SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %s', \
self._system, int_id(_rx_slot.stream_id), get_alias(_rx_slot.rf_src, subscriber_ids), int_id(_rx_slot.rf_src), get_alias(_rx_slot.repeater_id, peer_ids), int_id(_rx_slot.repeater_id), get_alias(_rx_slot.dst_id, talkgroup_ids), int_id(_rx_slot.dst_id), _slot)
self.send_voice_header(_rx_slot)
else:
self._logger.info('(%s) Set DMR Info SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %s', \
self._system, get_alias(_rx_slot.rf_src, subscriber_ids), int_id(_rx_slot.rf_src), get_alias(_rx_slot.repeater_id, peer_ids), int_id(_rx_slot.repeater_id), get_alias(_rx_slot.dst_id, talkgroup_ids), int_id(_rx_slot.dst_id), _slot)
from dmr_utils.utils import int_id, hex_str_3
__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2014 Cortney T. Buffington, N0MJS and the K0USY Group'
__credits__ = 'Adam Fast, KC0YLK; Dave Kierzkowski, KD8EYF'
__license__ = 'GNU GPLv3'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = '*****@*****.**'
try:
from playback_config import *
except ImportError:
sys.exit('Configuration file not found or invalid')
HEX_TGID = hex_str_3(TGID)
HEX_SUB = hex_str_3(SUB)
BOGUS_SUB = '\xFF\xFF\xFF'
class playbackIPSC(IPSC):
def __init__(self, _name, _config, _logger, _report):
IPSC.__init__(self, _name, _config, _logger, _report)
self.CALL_DATA = []
if GROUP_SRC_SUB:
self._logger.info('Playback: USING SUBSCRIBER ID: %s FOR GROUP REPEAT', GROUP_SRC_SUB)
self.GROUP_SRC_SUB = hex_str_3(GROUP_SRC_SUB)
if GROUP_REPEAT:
self._logger.info('Playback: GROUP REPEAT ENABLED')
def remote_control(self, port):
s = socket.socket() # Create a socket object
s.bind(('', port)) # Bind to the port
s.listen(5) # Now wait for client connection.
logger.info('Remote control is listening on {}:{}'.format(socket.getfqdn(), port))
while True:
c, addr = s.accept() # Establish connection with client.
logger.info( 'Got connection from {}'.format(addr) )
self._dmrgui = addr[0]
_tmp = c.recv(1024)
_tmp = _tmp.split(None)[0] #first get rid of whitespace
_cmd = _tmp.split('=')[0]
logger.info('Command:"{}"'.format(_cmd))
if _cmd:
if _cmd == 'reread_subscribers':
reread_subscribers()
elif _cmd == 'reread_config':
self.readConfigFile(self._configFile, None, self._currentNetwork)
elif _cmd == 'txTg':
self._tx_tg = hex_str_3(int(_tmp.split('=')[1]))
print('New txTg = ' + str(int_id(self._tx_tg)))
elif _cmd == 'txTs':
self._tx_ts = int(_tmp.split('=')[1])
print('New txTs = ' + str(self._tx_ts))
elif _cmd == 'section':
self.readConfigFile(self._configFile, _tmp.split('=')[1])
elif _cmd == 'gateway_dmr_id':
self._gateway_dmr_id = int(_tmp.split('=')[1])
print('New gateway_dmr_id = ' + str(self._gateway_dmr_id))
elif _cmd == 'gateway_peer_id':
peerID = int(_tmp.split('=')[1])
self._config['LOCAL']['RADIO_ID'] = hex_str_3(peerID)
print('New peer_id = ' + str(peerID))
elif _cmd == 'restart':
reactor.callFromThread(reactor.stop)
elif _cmd == 'playbackFromFile':
self.playbackFromFile('ambe.bin')
elif _cmd == 'tgs':
_args = _tmp.split('=')[1]
self._tg_filter = map(int, _args.split(','))
logger.info( 'New TGs={}'.format(self._tg_filter) )
elif _cmd == 'dump_template':
self.dumpTemplate('PrivateVoice.bin')
elif _cmd == 'get_alias':
self._sock.sendto('reply dmr_info {} {} {} {}'.format(self._currentNetwork,
int_id(self._CONFIG[self._currentNetwork]['LOCAL']['RADIO_ID']),
self._gateway_dmr_id,
get_subscriber_info(hex_str_3(self._gateway_dmr_id))), (self._dmrgui, 34003))
elif _cmd == 'eval':
_sz = len(_tmp)-5
_evalExpression = _tmp[-_sz:]
_evalResult = eval(_evalExpression)
print("eval of {} is {}".format(_evalExpression, _evalResult))
self._sock.sendto('reply eval {}'.format(_evalResult), (self._dmrgui, 34003))
elif _cmd == 'exec':
_sz = len(_tmp)-5
_evalExpression = _tmp[-_sz:]
exec(_evalExpression)
print("exec of {}".format(_evalExpression))
else:
logger.error('Unknown command')
c.close() # Close the connection
while True:
ts = raw_input('Which timeslot (1, 2 or \'both\')? ')
if ts == '1' or ts == '2' or ts =='both':
if ts == '1':
ts = (1,)
if ts == '2':
ts = (2,)
if ts == 'both':
ts = (1,2)
break
print('...input must be \'1\', \'2\' or \'both\'')
id = raw_input('Which Group or Subscriber ID to record? ')
id = int(id)
id = hex_str_3(id)
filename = raw_input('Filename to use for this recording? ')
class recordIPSC(IPSC):
def __init__(self, _name, _config, _logger, _report):
IPSC.__init__(self, _name, _config, _logger, _report)
self.CALL_DATA = []
#************************************************
# CALLBACK FUNCTIONS FOR USER PACKET TYPES
#************************************************
#
if tx_type == 'g':
print('Initializing to record GROUP VOICE transmission')
def group_voice(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
def playbackFromUDP(self, _sock):
_delay = 0.055 # Yes, I know it should be 0.06, but there seems to be some latency, so this is a hack
_src_sub = hex_str_3(
self._gateway_dmr_id) # DMR ID to sign this transmission with
_src_peer = self._config['LOCAL'][
'RADIO_ID'] # Use this peers ID as the source repeater
logger.info('Transmit from gateway to TG {}:'.format(
int_id(self._tx_tg)))
try:
try:
_t = open(
'template.bin',
'rb') # Open the template file. This was recorded OTA
_tempHead = [
0
] * 3 # It appears that there 3 frames of HEAD (mostly the same)
for i in range(0, 3):
_tempHead[i] = self.readRecord(
_t, BURST_DATA_TYPE['VOICE_HEAD'])
_tempVoice = [0] * 6
for i in range(
0, 6
): # Then there are 6 frames of AMBE. We will just use them in order
_tempVoice[i] = self.readRecord(
_t, BURST_DATA_TYPE['SLOT2_VOICE'])
_tempTerm = self.readRecord(_t, BURST_DATA_TYPE['VOICE_TERM'])
_t.close()
except IOError:
logger.error('Can not open template.bin file')
return
logger.debug('IPSC templates loaded')
_eof = False
self._seq = randint(
0, 32767
) # A transmission uses a random number to begin its sequence (16 bit)
for i in range(0, 3): # Output the 3 HEAD frames to our peers
self.rewriteFrame(_tempHead[i], self._tx_ts, self._tx_tg,
_src_sub, _src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _tempHead[i])
sleep(_delay)
i = 0 # Initialize the VOICE template index
while (_eof == False):
_ambe = self.readAmbeFrameFromUDP(
_sock) # Read the 49*3 bit sample from the stream
if _ambe:
i = (i + 1) % 6 # Round robbin with the 6 VOICE templates
_frame = _tempVoice[i][:33] + _ambe + _tempVoice[i][
52:] # Insert the 3 49 bit AMBE frames
self.rewriteFrame(_frame, self._tx_ts, self._tx_tg,
_src_sub, _src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _frame)
sleep(
_delay
) # Since this comes from a file we have to add delay between IPSC frames
else:
_eof = True # There are no more AMBE frames, so terminate the loop
self.rewriteFrame(_tempTerm, self._tx_ts, self._tx_tg, _src_sub,
_src_peer)
#self.group_voice(self._system, _src_sub, self._tx_tg, True, '', hex_str_3(0), _tempTerm)
except IOError:
logger.error('Can not transmit to peers')
logger.info('Transmit complete')
