#!/usr/bin/env python # ############################################################################### # Copyright (C) 2016 Cortney T. Buffington, N0MJS # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ############################################################################### # This is a sample application that "plays" a voice tranmission from a file # that was created with record.py. The file is just a pickle of an entire # transmission. # # This program consults a list of "trigger groups" for each timeslot that # will initiate playback. When playback occurs, several items are re-written: # Source Subscriber: this DMRlink's local subscriber ID # Source Peer: this DMRlink's local subscriber ID # Timeslot: timeslot of the tranmission that triggered # TGID: TGID of the message that triggered it from __future__ import print_function from twisted.internet import reactor import sys, time import cPickle as pickle from dmrlink import IPSC, mk_ipsc_systems, systems, reportFactory, build_aliases, config_reports from dmr_utils.utils import int_id, hex_str_3 from ipsc.ipsc_const import BURST_DATA_TYPE __author__ = 'Cortney T. Buffington, N0MJS' __copyright__ = 'Copyright (c) 2014 - 2015 Cortney T. Buffington, N0MJS and the K0USY Group' __credits__ = 'Adam Fast, KC0YLK; Dave Kierzkowski KD8EYF' __license__ = 'GNU GPLv3' __maintainer__ = 'Cort Buffington, N0MJS' __email__ = 'n0mjs@me.com' # path+filename for the transmission to play back filename = '../test.pickle' # trigger logic - True, trigger on these IDs, False trigger on any but these IDs trigger = True # groups that we want to trigger playback of this file (ts1 and ts2) # Note this is a python list type, even if there's just one value trigger_groups_1 = ['\x00\x00\x01', '\x00\x00\x0D', '\x00\x00\x64'] trigger_groups_2 = ['\x00\x0C\x30',] class playIPSC(IPSC): def __init__(self, _name, _config, _logger,_report): IPSC.__init__(self, _name, _config, _logger, _report) self.CALL_DATA = [] self.event_id = 1 #************************************************ # CALLBACK FUNCTIONS FOR USER PACKET TYPES #************************************************ # def group_voice(self, _src_sub, _dst_group, _ts, _end, _peerid, _data): if _end: _self_peer = self._config['LOCAL']['RADIO_ID'] _self_src = _self_peer[1:] if (_peerid == _self_peer) or (_src_sub == _self_src): self._logger.error('(%s) Just received a packet that appears to have been originated by us. PeerID: %s Subscriber: %s TS: %s, TGID: %s', self._system, int_id(_peerid), int_id(_src_sub), int(_ts), int_id(_dst_group)) return if trigger == False: if (_ts == 1 and _dst_group not in trigger_groups_1) or (_ts == 2 and _dst_group not in trigger_groups_2): return else: if (_ts == 1 and _dst_group not in trigger_groups_1) or (_ts == 2 and _dst_group not in trigger_groups_2): return self._logger.info('(%s) Event ID: %s - Playback triggered from SourceID: %s, TS: %s, TGID: %s, PeerID: %s', self._system, self.event_id, int_id(_src_sub), _ts, int_id(_dst_group), int_id(_peerid)) # Determine the type of voice packet this is (see top of file for possible types) _burst_data_type = _data[30] time.sleep(2) self.CALL_DATA = pickle.load(open(filename, 'rb')) self._logger.info('(%s) Event ID: %s - Playing back file: %s', self._system, self.event_id, filename) for i in self.CALL_DATA: _tmp_data = i # re-Write the peer radio ID to that of this program _tmp_data = _tmp_data.replace(_peerid, _self_peer) # re-Write the source subscriber ID to that of this program _tmp_data = _tmp_data.replace(_src_sub, _self_src) # Re-Write the destination Group ID _tmp_data = _tmp_data.replace(_tmp_data[9:12], _dst_group) # Re-Write IPSC timeslot value _call_info = int_id(_tmp_data[17:18]) if _ts == 1: _call_info &= ~(1 << 5) elif _ts == 2: _call_info |= 1 << 5 _call_info = chr(_call_info) _tmp_data = _tmp_data[:17] + _call_info + _tmp_data[18:] # 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 _ts == 1: _burst_data_type = BURST_DATA_TYPE['SLOT1_VOICE'] elif _ts == 2: _burst_data_type = BURST_DATA_TYPE['SLOT2_VOICE'] _tmp_data = _tmp_data[:30] + _burst_data_type + _tmp_data[31:] # Send the packet to all peers in the target IPSC self.send_to_ipsc(_tmp_data) time.sleep(0.06) self.CALL_DATA = [] self._logger.info('(%s) Event ID: %s - Playback Completed', self._system, self.event_id) self.event_id = self.event_id + 1 if __name__ == '__main__': import argparse import sys import os import signal from ipsc.dmrlink_config import build_config from ipsc.dmrlink_log import config_logging # Change the current directory to the location of the application os.chdir(os.path.dirname(os.path.realpath(sys.argv[0]))) # CLI argument parser - handles picking up the config file from the command line, and sending a "help" message parser = argparse.ArgumentParser() parser.add_argument('-c', '--config', action='store', dest='CFG_FILE', help='/full/path/to/config.file (usually dmrlink.cfg)') parser.add_argument('-ll', '--log_level', action='store', dest='LOG_LEVEL', help='Override config file logging level.') parser.add_argument('-lh', '--log_handle', action='store', dest='LOG_HANDLERS', help='Override config file logging handler.') cli_args = parser.parse_args() if not cli_args.CFG_FILE: cli_args.CFG_FILE = os.path.dirname(os.path.abspath(__file__))+'/dmrlink.cfg' # Call the external routine to build the configuration dictionary CONFIG = build_config(cli_args.CFG_FILE) # Call the external routing to start the system logger if cli_args.LOG_LEVEL: CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL if cli_args.LOG_HANDLERS: CONFIG['LOGGER']['LOG_HANDLERS'] = cli_args.LOG_HANDLERS logger = config_logging(CONFIG['LOGGER']) logger.info('DMRlink \'dmrlink.py\' (c) 2013 - 2015 N0MJS & the K0USY Group - SYSTEM STARTING...') # Set signal handers so that we can gracefully exit if need be def sig_handler(_signal, _frame): logger.info('*** DMRLINK IS TERMINATING WITH SIGNAL %s ***', str(_signal)) for system in systems: systems[system].de_register_self() reactor.stop() for sig in [signal.SIGTERM, signal.SIGINT, signal.SIGQUIT]: signal.signal(sig, sig_handler) # INITIALIZE THE REPORTING LOOP report_server = config_reports(CONFIG, logger, reportFactory) # Build ID Aliases peer_ids, subscriber_ids, talkgroup_ids, local_ids = build_aliases(CONFIG, logger) # INITIALIZE AN IPSC OBJECT (SELF SUSTAINING) FOR EACH CONFIGRUED IPSC systems = mk_ipsc_systems(CONFIG, logger, systems, playIPSC, report_server) # INITIALIZATION COMPLETE -- START THE REACTOR reactor.run()