138 lines
6.1 KiB
Python
Executable File
138 lines
6.1 KiB
Python
Executable File
#!/usr/bin/env python
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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 "plays" a voice tranmission from a file
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# that was created with record.py. The file is just a pickle of an entire
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# transmission.
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#
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# This program consults a list of "trigger groups" for each timeslot that
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# will initiate playback. When playback occurs, several items are re-written:
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# Source Subscriber: this DMRlink's local subscriber ID
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# Source Peer: this DMRlink's local subscriber ID
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# Timeslot: timeslot of the tranmission that triggered
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# TGID: TGID of the message that triggered it
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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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import cPickle as pickle
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from dmrlink import IPSC, NETWORK, networks, logger, int_id, hex_str_3
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2014 - 2015 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = 'Adam Fast, KC0YLK; Dave Kierzkowski KD8EYF; and he who wishes not to be named'
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__license__ = 'Creative Commons Attribution-ShareAlike 3.0 Unported'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__version__ = '0.9b'
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__email__ = 'n0mjs@me.com'
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__status__ = 'beta'
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# Constants for this application
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#
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BURST_DATA_TYPE = {
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'VOICE_HEAD': '\x01',
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'VOICE_TERM': '\x02',
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'SLOT1_VOICE': '\x0A',
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'SLOT2_VOICE': '\x8A'
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}
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# path+filename for the transmission to play back
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filename = '../test.pickle'
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# trigger logic - True, trigger on these IDs, False trigger on any but these IDs
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trigger = True
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# groups that we want to trigger playback of this file (ts1 and ts2)
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# Note this is a python list type, even if there's just one value
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trigger_groups_1 = ['\x00\x00\x01', '\x00\x00\x0D', '\x00\x00\x64']
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trigger_groups_2 = ['\x00\x0C\x30',]
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class playIPSC(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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self.event_id = 1
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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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def group_voice(self, _network, _src_sub, _dst_group, _ts, _end, _peerid, _data):
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if _end:
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_self_peer = NETWORK[_network]['LOCAL']['RADIO_ID']
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_self_src = _self_peer[1:]
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if (_peerid == _self_peer) or (_src_sub == _self_src):
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logger.error('(%s) Just received a packet that appears to have been originated by us. PeerID: %s Subscriber: %s TS: %s, TGID: %s', _network, int_id(_peerid), int_id(_src_sub), int(_ts)+1, int_id(_dst_group))
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return
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if trigger == False:
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if (_ts == 0 and _dst_group not in trigger_groups_1) or (_ts == 1 and _dst_group not in trigger_groups_2):
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return
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else:
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if (_ts == 0 and _dst_group in trigger_groups_1) or (_ts == 1 and _dst_group in trigger_groups_2):
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return
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logger.info('(%s) Event ID: %s - Playback triggered from SourceID: %s, TS: %s, TGID: %s, PeerID: %s', _network, self.event_id, int_id(_src_sub), _ts+1, int_id(_dst_group), int_id(_peerid))
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# Determine the type of voice packet this is (see top of file for possible types)
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_burst_data_type = _data[30]
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time.sleep(2)
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self.CALL_DATA = pickle.load(open(filename, 'rb'))
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logger.info('(%s) Event ID: %s - Playing back file: %s', _network, self.event_id, filename)
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for i in self.CALL_DATA:
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_tmp_data = i
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# re-Write the peer radio ID to that of this program
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_tmp_data = _tmp_data.replace(_peerid, _self_peer)
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# re-Write the source subscriber ID to that of this program
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_tmp_data = _tmp_data.replace(_src_sub, _self_src)
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# Re-Write the destination Group ID
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_tmp_data = _tmp_data.replace(_tmp_data[9:12], _dst_group)
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# Re-Write IPSC timeslot value
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_call_info = int_id(_tmp_data[17:18])
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if _ts == 0:
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_call_info &= ~(1 << 5)
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elif _ts == 1:
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_call_info |= 1 << 5
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_call_info = chr(_call_info)
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_tmp_data = _tmp_data[:17] + _call_info + _tmp_data[18:]
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# Re-Write DMR timeslot value
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# Determine if the slot is present, so we can translate if need be
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if _burst_data_type == BURST_DATA_TYPE['SLOT1_VOICE'] or _burst_data_type == BURST_DATA_TYPE['SLOT2_VOICE']:
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# Re-Write timeslot if necessary...
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if _ts == 0:
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_burst_data_type = BURST_DATA_TYPE['SLOT1_VOICE']
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elif _ts == 1:
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_burst_data_type = BURST_DATA_TYPE['SLOT2_VOICE']
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_tmp_data = _tmp_data[:30] + _burst_data_type + _tmp_data[31:]
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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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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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logger.info('(%s) Event ID: %s - Playback Completed', _network, self.event_id)
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self.event_id = self.event_id + 1
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if __name__ == '__main__':
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logger.info('DMRlink \'record.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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networks[ipsc_network] = playIPSC(ipsc_network)
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reactor.listenUDP(NETWORK[ipsc_network]['LOCAL']['PORT'], networks[ipsc_network], interface=NETWORK[ipsc_network]['LOCAL']['IP'])
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reactor.run()
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