DMRlink/dmrlink_config.py

217 lines
10 KiB
Python
Executable File

#!/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
###############################################################################
import ConfigParser
import sys
from socket import gethostbyname
# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
__license__ = 'GNU GPLv3'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = 'n0mjs@me.com'
def build_config(_config_file):
config = ConfigParser.ConfigParser()
if not config.read(_config_file):
sys.exit('Configuration file \''+_config_file+'\' is not a valid configuration file! Exiting...')
CONFIG = {}
CONFIG['GLOBAL'] = {}
CONFIG['REPORTS'] = {}
CONFIG['LOGGER'] = {}
CONFIG['ALIASES'] = {}
CONFIG['SYSTEMS'] = {}
try:
for section in config.sections():
if section == 'GLOBAL':
CONFIG['GLOBAL'].update({
'PATH': config.get(section, 'PATH')
})
elif section == 'REPORTS':
CONFIG['REPORTS'].update({
'REPORT_NETWORKS': config.get(section, 'REPORT_NETWORKS'),
'REPORT_INTERVAL': config.getint(section, 'REPORT_INTERVAL'),
'REPORT_PATH': config.get(section, 'REPORT_PATH'),
'PRINT_PEERS_INC_MODE': config.getboolean(section, 'PRINT_PEERS_INC_MODE'),
'PRINT_PEERS_INC_FLAGS': config.getboolean(section, 'PRINT_PEERS_INC_FLAGS')
})
elif section == 'LOGGER':
CONFIG['LOGGER'].update({
'LOG_FILE': config.get(section, 'LOG_FILE'),
'LOG_HANDLERS': config.get(section, 'LOG_HANDLERS'),
'LOG_LEVEL': config.get(section, 'LOG_LEVEL'),
'LOG_NAME': config.get(section, 'LOG_NAME')
})
elif section == 'ALIASES':
CONFIG['ALIASES'].update({
'TRY_DOWNLOAD': config.getboolean(section, 'TRY_DOWNLOAD'),
'PATH': config.get(section, 'PATH'),
'PEER_FILE': config.get(section, 'PEER_FILE'),
'SUBSCRIBER_FILE': config.get(section, 'SUBSCRIBER_FILE'),
'TGID_FILE': config.get(section, 'TGID_FILE'),
'PEER_URL': config.get(section, 'PEER_URL'),
'SUBSCRIBER_URL': config.get(section, 'SUBSCRIBER_URL'),
'STALE_TIME': config.getint(section, 'STALE_DAYS') * 86400,
})
elif config.getboolean(section, 'ENABLED'):
CONFIG['SYSTEMS'].update({section: {'LOCAL': {}, 'MASTER': {}, 'PEERS': {}}})
CONFIG['SYSTEMS'][section]['LOCAL'].update({
# In case we want to keep config, but not actually connect to the network
'ENABLED': config.getboolean(section, 'ENABLED'),
# These items are used to create the MODE byte
'PEER_OPER': config.getboolean(section, 'PEER_OPER'),
'IPSC_MODE': config.get(section, 'IPSC_MODE'),
'TS1_LINK': config.getboolean(section, 'TS1_LINK'),
'TS2_LINK': config.getboolean(section, 'TS2_LINK'),
'MODE': '',
# These items are used to create the multi-byte FLAGS field
'AUTH_ENABLED': config.getboolean(section, 'AUTH_ENABLED'),
'CSBK_CALL': config.getboolean(section, 'CSBK_CALL'),
'RCM': config.getboolean(section, 'RCM'),
'CON_APP': config.getboolean(section, 'CON_APP'),
'XNL_CALL': config.getboolean(section, 'XNL_CALL'),
'XNL_MASTER': config.getboolean(section, 'XNL_MASTER'),
'DATA_CALL': config.getboolean(section, 'DATA_CALL'),
'VOICE_CALL': config.getboolean(section, 'VOICE_CALL'),
'MASTER_PEER': config.getboolean(section, 'MASTER_PEER'),
'FLAGS': '',
# Things we need to know to connect and be a peer in this IPSC
'RADIO_ID': hex(int(config.get(section, 'RADIO_ID')))[2:].rjust(8,'0').decode('hex'),
'IP': gethostbyname(config.get(section, 'IP')),
'PORT': config.getint(section, 'PORT'),
'ALIVE_TIMER': config.getint(section, 'ALIVE_TIMER'),
'MAX_MISSED': config.getint(section, 'MAX_MISSED'),
'AUTH_KEY': (config.get(section, 'AUTH_KEY').rjust(40,'0')).decode('hex'),
'GROUP_HANGTIME': config.getint(section, 'GROUP_HANGTIME'),
'NUM_PEERS': 0,
})
# Master means things we need to know about the master peer of the network
CONFIG['SYSTEMS'][section]['MASTER'].update({
'RADIO_ID': '\x00\x00\x00\x00',
'MODE': '\x00',
'MODE_DECODE': '',
'FLAGS': '\x00\x00\x00\x00',
'FLAGS_DECODE': '',
'STATUS': {
'CONNECTED': False,
'PEER_LIST': False,
'KEEP_ALIVES_SENT': 0,
'KEEP_ALIVES_MISSED': 0,
'KEEP_ALIVES_OUTSTANDING': 0,
'KEEP_ALIVES_RECEIVED': 0,
'KEEP_ALIVE_RX_TIME': 0
},
'IP': '',
'PORT': ''
})
if not CONFIG['SYSTEMS'][section]['LOCAL']['MASTER_PEER']:
CONFIG['SYSTEMS'][section]['MASTER'].update({
'IP': gethostbyname(config.get(section, 'MASTER_IP')),
'PORT': config.getint(section, 'MASTER_PORT')
})
# Temporary locations for building MODE and FLAG data
MODE_BYTE = 0
FLAG_1 = 0
FLAG_2 = 0
# Construct and store the MODE field
if CONFIG['SYSTEMS'][section]['LOCAL']['PEER_OPER']:
MODE_BYTE |= 1 << 6
if CONFIG['SYSTEMS'][section]['LOCAL']['IPSC_MODE'] == 'ANALOG':
MODE_BYTE |= 1 << 4
elif CONFIG['SYSTEMS'][section]['LOCAL']['IPSC_MODE'] == 'DIGITAL':
MODE_BYTE |= 1 << 5
if CONFIG['SYSTEMS'][section]['LOCAL']['TS1_LINK']:
MODE_BYTE |= 1 << 3
else:
MODE_BYTE |= 1 << 2
if CONFIG['SYSTEMS'][section]['LOCAL']['TS2_LINK']:
MODE_BYTE |= 1 << 1
else:
MODE_BYTE |= 1 << 0
CONFIG['SYSTEMS'][section]['LOCAL']['MODE'] = chr(MODE_BYTE)
# Construct and store the FLAGS field
if CONFIG['SYSTEMS'][section]['LOCAL']['CSBK_CALL']:
FLAG_1 |= 1 << 7
if CONFIG['SYSTEMS'][section]['LOCAL']['RCM']:
FLAG_1 |= 1 << 6
if CONFIG['SYSTEMS'][section]['LOCAL']['CON_APP']:
FLAG_1 |= 1 << 5
if CONFIG['SYSTEMS'][section]['LOCAL']['XNL_CALL']:
FLAG_2 |= 1 << 7
if CONFIG['SYSTEMS'][section]['LOCAL']['XNL_CALL'] and CONFIG['SYSTEMS'][section]['LOCAL']['XNL_MASTER']:
FLAG_2 |= 1 << 6
elif CONFIG['SYSTEMS'][section]['LOCAL']['XNL_CALL'] and not CONFIG['SYSTEMS'][section]['LOCAL']['XNL_MASTER']:
FLAG_2 |= 1 << 5
if CONFIG['SYSTEMS'][section]['LOCAL']['AUTH_ENABLED']:
FLAG_2 |= 1 << 4
if CONFIG['SYSTEMS'][section]['LOCAL']['DATA_CALL']:
FLAG_2 |= 1 << 3
if CONFIG['SYSTEMS'][section]['LOCAL']['VOICE_CALL']:
FLAG_2 |= 1 << 2
if CONFIG['SYSTEMS'][section]['LOCAL']['MASTER_PEER']:
FLAG_2 |= 1 << 0
CONFIG['SYSTEMS'][section]['LOCAL']['FLAGS'] = '\x00\x00'+chr(FLAG_1)+chr(FLAG_2)
except ConfigParser.Error, err:
sys.exit('Could not parse configuration file, exiting...')
return CONFIG
# Used to run this file direclty and print the config,
# which might be useful for debugging
if __name__ == '__main__':
import sys
import os
import argparse
from pprint import pprint
# 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='CONFIG_FILE', help='/full/path/to/config.file (usually dmrlink.cfg)')
cli_args = parser.parse_args()
# Ensure we have a path for the config file, if one wasn't specified, then use the execution directory
if not cli_args.CONFIG_FILE:
cli_args.CONFIG_FILE = os.path.dirname(os.path.abspath(__file__))+'/dmrlink.cfg'
pprint(build_config(cli_args.CONFIG_FILE))