DMRlink/rcm.py

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#!/usr/bin/env python
#
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###############################################################################
# Copyright (C) 2016 Cortney T. Buffington, N0MJS <n0mjs@me.com>
#
# 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
###############################################################################
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# This is a sample application that uses the Repeater Call Monitor packets to display events in the IPSC
# NOTE: dmrlink.py MUST BE CONFIGURED TO CONNECT AS A "REPEATER CALL MONITOR" PEER!!!
# ALSO NOTE, I'M NOT DONE MAKING THIS WORK, SO UNTIL THIS MESSAGE IS GONE, DON'T EXPECT GREAT THINGS.
from __future__ import print_function
from twisted.internet.protocol import DatagramProtocol
from twisted.internet import reactor
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
import dmrlink
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import sys
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from dmrlink import IPSC, mk_ipsc_systems, systems, reportFactory, build_aliases, config_reports
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from dmr_utils.utils import get_alias, int_id
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from ipsc.ipsc_const import *
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__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2013, 2014 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'
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status = True
rpt = True
nack = True
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class rcmIPSC(IPSC):
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def __init__(self, _name, _config, _logger, _report):
IPSC.__init__(self, _name, _config, _logger, _report)
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#************************************************
# CALLBACK FUNCTIONS FOR USER PACKET TYPES
#************************************************
#
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def call_mon_status(self, _data):
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if not status:
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]
_ts = _data[13]
_status = _data[15] # suspect [14:16] but nothing in leading byte?
_rf_src = _data[16:19]
_rf_tgt = _data[19:22]
_type = _data[22]
_prio = _data[23]
_sec = _data[24]
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_source = str(int_id(_source)) + ', ' + str(get_alias(_source, peer_ids))
_ipsc_src = str(int_id(_ipsc_src)) + ', ' + str(get_alias(_ipsc_src, peer_ids))
_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:
print('Status: ', STATUS[_status])
except KeyError:
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print('Status (unknown): ', ahex(_status))
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try:
print('Type: ', TYPE[_type])
except KeyError:
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print('Type (unknown): ', ahex(_type))
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print('Source Sub: ', _rf_src)
print('Target Sub: ', _rf_tgt)
print()
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def call_mon_rpt(self, _data):
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if not rpt:
return
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_source = _data[1:5]
_ts1_state = _data[5]
_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:
print('TS1 State: ', REPEAT[_ts1_state])
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:
return
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_source = _data[1:5]
_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)
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)
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
import sys
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import os
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import signal
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from ipsc.dmrlink_config import build_config
from ipsc.dmrlink_log import config_logging
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# 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.')
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cli_args = parser.parse_args()
if not cli_args.CFG_FILE:
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 = build_config(cli_args.CFG_FILE)
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# 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
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logger = config_logging(CONFIG['LOGGER'])
logger.info('DMRlink \'dmrlink.py\' (c) 2013 - 2015 N0MJS & the K0USY Group - SYSTEM STARTING...')
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# Set signal handers so that we can gracefully exit if need be
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def sig_handler(_signal, _frame):
logger.info('*** DMRLINK IS TERMINATING WITH SIGNAL %s ***', str(_signal))
for system in systems:
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systems[system].de_register_self()
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reactor.stop()
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for sig in [signal.SIGTERM, signal.SIGINT, signal.SIGQUIT]:
signal.signal(sig, sig_handler)
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# INITIALIZE THE REPORTING LOOP
report_server = config_reports(CONFIG, logger, reportFactory)
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# 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, rcmIPSC, report_server)
# INITIALIZATION COMPLETE -- START THE REACTOR
reactor.run()