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1bd31f09f5
DMRlink/rcm.py
Cort Buffington 1bd31f09f5 fixed minor reference errors
2017-02-22 10:13:51 -06:00

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#!/usr/bin/env python
#
###############################################################################
# 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
###############################################################################
# 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
from binascii import b2a_hex as ahex
import datetime
import binascii
import dmrlink
import sys
from dmrlink import IPSC, systems
from dmr_utils.utils import get_alias, int_id
__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'
try:
from ipsc.ipsc_const import *
except ImportError:
sys.exit('IPSC message types file not found or invalid')
status = True
rpt = True
nack = True
class rcmIPSC(IPSC):
def __init__(self, _name, _config, _logger):
IPSC.__init__(self, _name, _config, _logger)
#************************************************
# CALLBACK FUNCTIONS FOR USER PACKET TYPES
#************************************************
#
def call_mon_status(self, _data):
if not status:
return
_source = _data[1:5]
_ipsc_src = _data[5:9]
_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]
_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))
if _type == '\x4F' or '\x51':
_rf_tgt = 'TGID: ' + str(int_id(_rf_tgt)) + ', ' + str(get_alias(_rf_tgt, talkgroup_ids))
else:
_rf_tgt = 'SID: ' + str(int_id(_rf_tgt)) + ', ' + str(get_alias(_rf_tgt, subscriber_ids))
print('Call Monitor - Call Status')
print('TIME: ', datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
print('DATA SOURCE: ', _source)
print('IPSC: ', self._system)
print('IPSC Source: ', _ipsc_src)
print('Timeslot: ', TS[_ts])
try:
print('Status: ', STATUS[_status])
except KeyError:
print('Status (unknown): ', ahex(_status))
try:
print('Type: ', TYPE[_type])
except KeyError:
print('Type (unknown): ', ahex(_type))
print('Source Sub: ', _rf_src)
print('Target Sub: ', _rf_tgt)
print()
def call_mon_rpt(self, _data):
if not rpt:
return
_source = _data[1:5]
_ts1_state = _data[5]
_ts2_state = _data[6]
_source = str(int_id(_source)) + ', ' + str(get_alias(_source, peer_ids))
print('Call Monitor - Repeater State')
print('TIME: ', datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
print('DATA SOURCE: ', _source)
try:
print('TS1 State: ', REPEAT[_ts1_state])
except KeyError:
print('TS1 State (unknown): ', ahex(_ts1_state))
try:
print('TS2 State: ', REPEAT[_ts2_state])
except KeyError:
print('TS2 State (unknown): ', ahex(_ts2_state))
print()
def call_mon_nack(self, _data):
if not nack:
return
_source = _data[1:5]
_nack = _data[5]
_source = get_alias(_source, peer_ids)
print('Call Monitor - Transmission NACK')
print('TIME: ', datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
print('DATA SOURCE: ', _source)
try:
print('NACK Cause: ', NACK[_nack])
except KeyError:
print('NACK Cause (unknown): ', ahex(_nack))
print()
def repeater_wake_up(self, _data):
_source = _data[1:5]
_source_name = get_alias(_source, peer_ids)
print('({}) Repeater Wake-Up Packet Received: {} ({})' .format(self._system, _source_name, int_id(_source)))
if __name__ == '__main__':
import argparse
import os
import sys
import signal
from dmr_utils.utils import try_download, mk_id_dict
import dmrlink_log
import dmrlink_config
# 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)')
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 = dmrlink_config.build_config(cli_args.CFG_FILE)
# Call the external routing to start the system logger
logger = dmrlink_log.config_logging(CONFIG['LOGGER'])
logger.info('DMRlink \'rcm.py\' (c) 2013, 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')
# ID ALIAS CREATION
# Download
if CONFIG['ALIASES']['TRY_DOWNLOAD'] == True:
# Try updating peer aliases file
result = try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'], CONFIG['ALIASES']['PEER_URL'], CONFIG['ALIASES']['STALE_TIME'])
logger.info(result)
# Try updating subscriber aliases file
result = try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'], CONFIG['ALIASES']['SUBSCRIBER_URL'], CONFIG['ALIASES']['STALE_TIME'])
logger.info(result)
# Make Dictionaries
peer_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'])
if peer_ids:
logger.info('ID ALIAS MAPPER: peer_ids dictionary is available')
subscriber_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'])
if subscriber_ids:
logger.info('ID ALIAS MAPPER: subscriber_ids dictionary is available')
talkgroup_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['TGID_FILE'])
if talkgroup_ids:
logger.info('ID ALIAS MAPPER: talkgroup_ids dictionary is available')
# Shut ourselves down gracefully with the IPSC peers.
def sig_handler(_signal, _frame):
logger.info('*** DMRLINK IS TERMINATING WITH SIGNAL %s ***', str(_signal))
for system in systems:
this_ipsc = systems[system]
logger.info('De-Registering from IPSC %s', system)
de_reg_req_pkt = this_ipsc.hashed_packet(this_ipsc._local['AUTH_KEY'], this_ipsc.DE_REG_REQ_PKT)
this_ipsc.send_to_ipsc(de_reg_req_pkt)
reactor.stop()
# Set signal handers so that we can gracefully exit if need be
for sig in [signal.SIGTERM, signal.SIGINT, signal.SIGQUIT]:
signal.signal(sig, sig_handler)
# INITIALIZE AN IPSC OBJECT (SELF SUSTAINING) FOR EACH CONFIGUED IPSC
for system in CONFIG['SYSTEMS']:
if CONFIG['SYSTEMS'][system]['LOCAL']['ENABLED']:
systems[system] = rcmIPSC(system, CONFIG, logger)
reactor.listenUDP(CONFIG['SYSTEMS'][system]['LOCAL']['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['LOCAL']['IP'])
reactor.run()
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