231 lines
9.2 KiB
Python
Executable File
231 lines
9.2 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 uses the Repeater Call Monitor packets to display events in the IPSC
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# NOTE: dmrlink.py MUST BE CONFIGURED TO CONNECT AS A "REPEATER CALL MONITOR" PEER!!!
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# ALSO NOTE, I'M NOT DONE MAKING THIS WORK, SO UNTIL THIS MESSAGE IS GONE, DON'T EXPECT GREAT THINGS.
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from __future__ import print_function
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from twisted.internet.protocol import DatagramProtocol
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from twisted.internet import reactor
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from twisted.internet import task
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from binascii import b2a_hex as ahex
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import datetime
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import binascii
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import dmrlink
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import sys
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from dmrlink import IPSC, systems
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from dmr_utils.utils import get_alias, int_id
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2013, 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 ipsc.ipsc_const import *
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except ImportError:
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sys.exit('IPSC message types file not found or invalid')
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status = True
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rpt = True
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nack = True
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class rcmIPSC(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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#************************************************
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# CALLBACK FUNCTIONS FOR USER PACKET TYPES
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#************************************************
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#
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def call_mon_status(self, _data):
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if not status:
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return
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_source = _data[1:5]
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_ipsc_src = _data[5:9]
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_seq_num = _data[9:13]
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_ts = _data[13]
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_status = _data[15] # suspect [14:16] but nothing in leading byte?
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_rf_src = _data[16:19]
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_rf_tgt = _data[19:22]
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_type = _data[22]
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_prio = _data[23]
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_sec = _data[24]
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_source = str(int_id(_source)) + ', ' + str(get_alias(_source, peer_ids))
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_ipsc_src = str(int_id(_ipsc_src)) + ', ' + str(get_alias(_ipsc_src, peer_ids))
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_rf_src = str(int_id(_rf_src)) + ', ' + str(get_alias(_rf_src, subscriber_ids))
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if _type == '\x4F' or '\x51':
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_rf_tgt = 'TGID: ' + str(int_id(_rf_tgt)) + ', ' + str(get_alias(_rf_tgt, talkgroup_ids))
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else:
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_rf_tgt = 'SID: ' + str(int_id(_rf_tgt)) + ', ' + str(get_alias(_rf_tgt, subscriber_ids))
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print('Call Monitor - Call Status')
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print('TIME: ', datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
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print('DATA SOURCE: ', _source)
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print('IPSC: ', self._system)
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print('IPSC Source: ', _ipsc_src)
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print('Timeslot: ', TS[_ts])
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try:
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print('Status: ', STATUS[_status])
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except KeyError:
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print('Status (unknown): ', ahex(_status))
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try:
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print('Type: ', TYPE[_type])
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except KeyError:
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print('Type (unknown): ', ahex(_type))
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print('Source Sub: ', _rf_src)
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print('Target Sub: ', _rf_tgt)
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print()
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def call_mon_rpt(self, _data):
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if not rpt:
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return
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_source = _data[1:5]
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_ts1_state = _data[5]
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_ts2_state = _data[6]
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_source = str(int_id(_source)) + ', ' + str(get_alias(_source, peer_ids))
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print('Call Monitor - Repeater State')
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print('TIME: ', datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
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print('DATA SOURCE: ', _source)
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try:
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print('TS1 State: ', REPEAT[_ts1_state])
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except KeyError:
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print('TS1 State (unknown): ', ahex(_ts1_state))
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try:
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print('TS2 State: ', REPEAT[_ts2_state])
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except KeyError:
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print('TS2 State (unknown): ', ahex(_ts2_state))
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print()
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def call_mon_nack(self, _data):
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if not nack:
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return
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_source = _data[1:5]
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_nack = _data[5]
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_source = get_alias(_source, peer_ids)
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print('Call Monitor - Transmission NACK')
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print('TIME: ', datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
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print('DATA SOURCE: ', _source)
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try:
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print('NACK Cause: ', NACK[_nack])
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except KeyError:
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print('NACK Cause (unknown): ', ahex(_nack))
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print()
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def repeater_wake_up(self, _data):
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_source = _data[1:5]
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_source_name = get_alias(_source, peer_ids)
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print('({}) Repeater Wake-Up Packet Received: {} ({})' .format(self._system, _source_name, int_id(_source)))
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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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from dmr_utils.utils import try_download, mk_id_dict
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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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parser.add_argument('-ll', '--log_level', action='store', dest='LOG_LEVEL', help='Override config file logging level.')
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parser.add_argument('-lh', '--log_handle', action='store', dest='LOG_HANDLERS', help='Override config file logging handler.')
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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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if cli_args.LOG_LEVEL:
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CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL
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if cli_args.LOG_HANDLERS:
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CONFIG['LOGGER']['LOG_HANDLERS'] = cli_args.LOG_HANDLERS
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logger = dmrlink_log.config_logging(CONFIG['LOGGER'])
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logger.info('DMRlink \'rcm.py\' (c) 2013, 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')
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# ID ALIAS CREATION
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# Download
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if CONFIG['ALIASES']['TRY_DOWNLOAD'] == True:
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# Try updating peer aliases file
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result = try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'], CONFIG['ALIASES']['PEER_URL'], CONFIG['ALIASES']['STALE_TIME'])
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logger.info(result)
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# Try updating subscriber aliases file
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result = try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'], CONFIG['ALIASES']['SUBSCRIBER_URL'], CONFIG['ALIASES']['STALE_TIME'])
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logger.info(result)
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# Make Dictionaries
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peer_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'])
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if peer_ids:
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logger.info('ID ALIAS MAPPER: peer_ids dictionary is available')
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subscriber_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'])
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if subscriber_ids:
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logger.info('ID ALIAS MAPPER: subscriber_ids dictionary is available')
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talkgroup_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['TGID_FILE'])
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if talkgroup_ids:
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logger.info('ID ALIAS MAPPER: talkgroup_ids dictionary is available')
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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] = rcmIPSC(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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