95 lines
3.7 KiB
Python
Executable File
95 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (c) 2013 Cortney T. Buffington, N0MJS and the K0USY Group. n0mjs@me.com
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#
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# This work is licensed under the Creative Commons Attribution-ShareAlike
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# 3.0 Unported License.To view a copy of this license, visit
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# http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
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# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
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# California, 94041, USA.
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# This is a sample application that "records" and replays transmissions for testing.
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from __future__ import print_function
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from twisted.internet import reactor
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from binascii import b2a_hex as h
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import sys, time
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from dmrlink import IPSC, UnauthIPSC, NETWORK, networks, logger, dmr_nat, int_id, send_to_ipsc, hex_id
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2014 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = 'Adam Fast, KC0YLK; Dave K; and he who wishes not to be named'
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__license__ = 'Creative Commons Attribution-ShareAlike 3.0 Unported'
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__version__ = '0.1b'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__email__ = 'n0mjs@me.com'
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__status__ = 'pre-alpha'
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try:
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from playback_config import *
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except ImportError:
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sys.exit('Configuration file not found or invalid')
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HEX_TGID = hex_id(TGID)
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class playbackIPSC(IPSC):
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def __init__(self, *args, **kwargs):
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IPSC.__init__(self, *args, **kwargs)
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self.CALL_DATA = []
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#************************************************
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# CALLBACK FUNCTIONS FOR USER PACKET TYPES
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#************************************************
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def group_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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if HEX_TGID == _dst_sub and TS == _ts:
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if not _end:
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if not self.CALL_DATA:
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logger.info('(%s) Receiving transmission to be played back from subscriber: %s', _network, int_id(_src_sub))
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_tmp_data = _data
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#_tmp_data = dmr_nat(_data, _src_sub, NETWORK[_network]['LOCAL']['RADIO_ID'])
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self.CALL_DATA.append(_tmp_data)
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if _end:
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self.CALL_DATA.append(_data)
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time.sleep(2)
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logger.info('(%s) Playing back transmission from subscriber: %s', _network, int_id(_src_sub))
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for i in self.CALL_DATA:
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_tmp_data = i
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_tmp_data = _tmp_data.replace(_peerid, NETWORK[_network]['LOCAL']['RADIO_ID'])
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_tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
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# Send the packet to all peers in the target IPSC
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send_to_ipsc(_network, _tmp_data)
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time.sleep(0.06)
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self.CALL_DATA = []
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class playbackUnauthIPSC(playbackIPSC):
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# There isn't a hash to build, so just return the data
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#
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def hashed_packet(self, _key, _data):
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return _data
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# Remove the hash from a packet and return the payload... except don't
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#
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def strip_hash(self, _data):
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return _data
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# Everything is validated, so just return True
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#
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def validate_auth(self, _key, _data):
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return True
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if __name__ == '__main__':
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logger.info('DMRlink \'playback.py\' (c) 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')
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for ipsc_network in NETWORK:
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if NETWORK[ipsc_network]['LOCAL']['ENABLED']:
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if NETWORK[ipsc_network]['LOCAL']['AUTH_ENABLED']:
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networks[ipsc_network] = playbackIPSC(ipsc_network)
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else:
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networks[ipsc_network] = playbackUnauthIPSC(ipsc_network)
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reactor.listenUDP(NETWORK[ipsc_network]['LOCAL']['PORT'], networks[ipsc_network])
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reactor.run() |