forked from adamfast/DMRlink
/
playback.py
executable file
·107 lines (95 loc) · 5.07 KB
/
playback.py
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#!/usr/bin/env python
#
# This work is licensed under the Creative Commons Attribution-ShareAlike
# 3.0 Unported License.To view a copy of this license, visit
# http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
# California, 94041, USA.
# This is a sample application that "records" and replays transmissions for testing.
from __future__ import print_function
from twisted.internet import reactor
from binascii import b2a_hex as h
import sys, time
from dmrlink import IPSC, NETWORK, networks, logger, dmr_nat, 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__ = 'Creative Commons Attribution-ShareAlike 3.0 Unported'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = 'n0mjs@me.com'
__status__ = 'beta'
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'
if GROUP_SRC_SUB:
logger.info('Playback: USING SUBSCRIBER ID: %s FOR GROUP REPEAT', GROUP_SRC_SUB)
HEX_GRP_SUB = hex_str_3(GROUP_SRC_SUB)
class playbackIPSC(IPSC):
def __init__(self, *args, **kwargs):
IPSC.__init__(self, *args, **kwargs)
self.CALL_DATA = []
#************************************************
# CALLBACK FUNCTIONS FOR USER PACKET TYPES
#************************************************
#
if GROUP_REPEAT:
logger.info('Playback: DEFINING GROUP REPEAT FUNCTION')
def group_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
if HEX_TGID == _dst_sub and _ts in GROUP_TS:
if not _end:
if not self.CALL_DATA:
logger.info('(%s) Receiving transmission to be played back from subscriber: %s', _network, int_id(_src_sub))
_tmp_data = _data
#_tmp_data = dmr_nat(_data, _src_sub, NETWORK[_network]['LOCAL']['RADIO_ID'])
self.CALL_DATA.append(_tmp_data)
if _end:
self.CALL_DATA.append(_data)
time.sleep(2)
logger.info('(%s) Playing back transmission from subscriber: %s', _network, int_id(_src_sub))
for i in self.CALL_DATA:
_tmp_data = i
_tmp_data = _tmp_data.replace(_peerid, NETWORK[_network]['LOCAL']['RADIO_ID'])
if GROUP_SRC_SUB:
_tmp_data = _tmp_data.replace(_src_sub, HEX_GRP_SUB)
_tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
# Send the packet to all peers in the target IPSC
self.send_to_ipsc(_tmp_data)
time.sleep(0.06)
self.CALL_DATA = []
if PRIVATE_REPEAT:
logger.info('Playback: DEFINING PRIVATE REPEAT FUNCTION')
def private_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
if HEX_SUB == _dst_sub and _ts in PRIVATE_TS:
if not _end:
if not self.CALL_DATA:
logger.info('(%s) Receiving transmission to be played back from subscriber: %s, to subscriber: %s', _network, int_id(_src_sub), int_id(_dst_sub))
_tmp_data = _data
self.CALL_DATA.append(_tmp_data)
if _end:
self.CALL_DATA.append(_data)
time.sleep(1)
logger.info('(%s) Playing back transmission from subscriber: %s, to subscriber %s', _network, int_id(_src_sub), int_id(_dst_sub))
_orig_src = _src_sub
_orig_dst = _dst_sub
for i in self.CALL_DATA:
_tmp_data = i
_tmp_data = _tmp_data.replace(_peerid, NETWORK[_network]['LOCAL']['RADIO_ID'])
_tmp_data = _tmp_data.replace(_dst_sub, BOGUS_SUB)
_tmp_data = _tmp_data.replace(_src_sub, _orig_dst)
_tmp_data = _tmp_data.replace(BOGUS_SUB, _orig_src)
_tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
# Send the packet to all peers in the target IPSC
self.send_to_ipsc(_tmp_data)
time.sleep(0.06)
self.CALL_DATA = []
if __name__ == '__main__':
logger.info('DMRlink \'playback.py\' (c) 2013, 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')
for ipsc_network in NETWORK:
if NETWORK[ipsc_network]['LOCAL']['ENABLED']:
networks[ipsc_network] = playbackIPSC(ipsc_network)
reactor.listenUDP(NETWORK[ipsc_network]['LOCAL']['PORT'], networks[ipsc_network], interface=NETWORK[ipsc_network]['LOCAL']['IP'])
reactor.run()