167 lines
7.3 KiB
Python
Executable File
167 lines
7.3 KiB
Python
Executable File
#!/usr/bin/env python
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#
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###############################################################################
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# Copyright (C) 2016 Cortney T. Buffington, N0MJS <n0mjs@me.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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###############################################################################
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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 ahex
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import sys, time
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from dmrlink import IPSC, systems
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from dmr_utils.utils import int_id, hex_str_3
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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 Kierzkowski, KD8EYF'
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__license__ = 'GNU GPLv3'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__email__ = 'n0mjs@me.com'
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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_str_3(TGID)
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HEX_SUB = hex_str_3(SUB)
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BOGUS_SUB = '\xFF\xFF\xFF'
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class playbackIPSC(IPSC):
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def __init__(self, _name, _config, _logger):
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IPSC.__init__(self, _name, _config, _logger)
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self.CALL_DATA = []
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if GROUP_SRC_SUB:
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self._logger.info('Playback: USING SUBSCRIBER ID: %s FOR GROUP REPEAT', GROUP_SRC_SUB)
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self.GROUP_SRC_SUB = hex_str_3(GROUP_SRC_SUB)
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if GROUP_REPEAT:
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self._logger.info('Playback: GROUP REPEAT ENABLED')
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if PRIVATE_REPEAT:
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self._logger.info('Playback: PRIVATE REPEAT ENABLED')
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#************************************************
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# CALLBACK FUNCTIONS FOR USER PACKET TYPES
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#************************************************
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#
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if GROUP_REPEAT:
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def group_voice(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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if HEX_TGID == _dst_sub and _ts in GROUP_TS:
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if not _end:
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if not self.CALL_DATA:
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self._logger.info('(%s) Receiving transmission to be played back from subscriber: %s', self._system, int_id(_src_sub))
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_tmp_data = _data
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#_tmp_data = dmr_nat(_data, _src_sub, self._config['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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self._logger.info('(%s) Playing back transmission from subscriber: %s', self._system, 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, self._config['LOCAL']['RADIO_ID'])
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if GROUP_SRC_SUB:
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_tmp_data = _tmp_data.replace(_src_sub, self.GROUP_SRC_SUB)
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# Send the packet to all peers in the target IPSC
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self.send_to_ipsc(_tmp_data)
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time.sleep(0.06)
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self.CALL_DATA = []
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if PRIVATE_REPEAT:
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def private_voice(self, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
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if HEX_SUB == _dst_sub and _ts in PRIVATE_TS:
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if not _end:
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if not self.CALL_DATA:
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self._logger.info('(%s) Receiving transmission to be played back from subscriber: %s, to subscriber: %s', self._system, int_id(_src_sub), int_id(_dst_sub))
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_tmp_data = _data
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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(1)
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self._logger.info('(%s) Playing back transmission from subscriber: %s, to subscriber %s', self._system, int_id(_src_sub), int_id(_dst_sub))
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_orig_src = _src_sub
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_orig_dst = _dst_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, self._config['LOCAL']['RADIO_ID'])
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_tmp_data = _tmp_data.replace(_dst_sub, BOGUS_SUB)
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_tmp_data = _tmp_data.replace(_src_sub, _orig_dst)
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_tmp_data = _tmp_data.replace(BOGUS_SUB, _orig_src)
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# Send the packet to all peers in the target IPSC
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self.send_to_ipsc(_tmp_data)
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time.sleep(0.06)
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self.CALL_DATA = []
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if __name__ == '__main__':
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import argparse
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import os
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import sys
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import signal
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import dmrlink_log
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import dmrlink_config
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# Change the current directory to the location of the application
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os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))
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# CLI argument parser - handles picking up the config file from the command line, and sending a "help" message
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parser = argparse.ArgumentParser()
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parser.add_argument('-c', '--config', action='store', dest='CFG_FILE', help='/full/path/to/config.file (usually dmrlink.cfg)')
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cli_args = parser.parse_args()
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if not cli_args.CFG_FILE:
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cli_args.CFG_FILE = os.path.dirname(os.path.abspath(__file__))+'/dmrlink.cfg'
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# Call the external routine to build the configuration dictionary
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CONFIG = dmrlink_config.build_config(cli_args.CFG_FILE)
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# Call the external routing to start the system logger
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logger = dmrlink_log.config_logging(CONFIG['LOGGER'])
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logger.info('DMRlink \'playback.py\' (c) 2013, 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')
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# Shut ourselves down gracefully with the IPSC peers.
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def sig_handler(_signal, _frame):
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logger.info('*** DMRLINK IS TERMINATING WITH SIGNAL %s ***', str(_signal))
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for system in systems:
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this_ipsc = systems[system]
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logger.info('De-Registering from IPSC %s', system)
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de_reg_req_pkt = this_ipsc.hashed_packet(this_ipsc._local['AUTH_KEY'], this_ipsc.DE_REG_REQ_PKT)
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this_ipsc.send_to_ipsc(de_reg_req_pkt)
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reactor.stop()
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# Set signal handers so that we can gracefully exit if need be
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for sig in [signal.SIGTERM, signal.SIGINT, signal.SIGQUIT]:
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signal.signal(sig, sig_handler)
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# INITIALIZE AN IPSC OBJECT (SELF SUSTAINING) FOR EACH CONFIGUED IPSC
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for system in CONFIG['SYSTEMS']:
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if CONFIG['SYSTEMS'][system]['LOCAL']['ENABLED']:
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systems[system] = playbackIPSC(system, CONFIG, logger)
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reactor.listenUDP(CONFIG['SYSTEMS'][system]['LOCAL']['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['LOCAL']['IP'])
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reactor.run()
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