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This commit is contained in:
Cort Buffington 2016-12-15 12:12:56 -06:00
parent 26baa3c26c
commit d0963792e2
3 changed files with 353 additions and 292 deletions
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114
dmr_utils.py Executable file
View File

@ -0,0 +1,114 @@
#!/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
###############################################################################
from __future__ import print_function
import os
from time import time
from urllib import URLopener
from csv import reader as csv_reader
from binascii import b2a_hex as ahex
# 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'
__credits__ = 'Colin Durbridge, G4EML, Steve Zingman, N4IRS; Mike Zingman'
__license__ = 'GNU GPLv3'
__maintainer__ = 'Cort Buffington, N0MJS'
__email__ = 'n0mjs@me.com'
#************************************************
# STRING UTILITY FUNCTIONS
#************************************************
# Create a 2 byte hex string from an integer
def hex_str_2(_int_id):
try:
return format(_int_id,'x').rjust(4,'0').decode('hex')
except TypeError:
raise
# Create a 3 byte hex string from an integer
def hex_str_3(_int_id):
try:
return format(_int_id,'x').rjust(6,'0').decode('hex')
except TypeError:
raise
# Create a 4 byte hex string from an integer
def hex_str_4(_int_id):
try:
return format(_int_id,'x').rjust(8,'0').decode('hex')
except TypeError:
raise
# Convert a hex string to an int (radio ID, etc.)
def int_id(_hex_string):
return int(ahex(_hex_string), 16)
#************************************************
# ID ALIAS FUNCTIONS
#************************************************
# Download and build dictionaries for mapping number to aliases
# Used by applications. These lookups take time, please do not shove them
# into this file everywhere and send a pull request!!!
# Download a new file if it doesn't exist, or is older than the stale time
def try_download(_path, _file, _url, _stale,):
now = time()
url = URLopener()
file_exists = os.path.isfile(_path+_file) == True
if file_exists:
file_old = (os.path.getmtime(_path+_file) + _stale) < now
if not file_exists or (file_exists and file_old):
try:
url.retrieve(_url, _path+_file)
result = 'ID ALIAS MAPPER: \'{}\' successfully downloaded'.format(_file)
except IOError:
result = 'ID ALIAS MAPPER: \'{}\' could not be downloaded'.format(_file)
else:
result = 'ID ALIAS MAPPER: \'{}\' is current, not downloaded'.format(_file)
url.close()
return result
def mk_id_dict(_path, _file):
dict = {}
try:
with open(_path+_file, 'rU') as _handle:
ids = csv_reader(_handle, dialect='excel', delimiter=',')
for row in ids:
dict[int(row[0])] = (row[1])
_handle.close
return dict
except IOError:
return dict
def get_info(_id, _dict):
if _id in _dict:
return _dict[_id]
return _id
def get_alias(_id, _dict):
_int_id = int_id(_id)
if _int_id in _dict:
return _dict[_int_id]
return _int_id

316
dmrlink.py
View File

@ -49,6 +49,9 @@ from twisted.internet.protocol import DatagramProtocol
from twisted.internet import reactor from twisted.internet import reactor
from twisted.internet import task from twisted.internet import task
from dmr_utils import hex_str_2, hex_str_3, hex_str_4, int_id
from dmrlink_config import build_config
__author__ = 'Cortney T. Buffington, N0MJS' __author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2013 - 2016 Cortney T. Buffington, N0MJS and the K0USY Group' __copyright__ = 'Copyright (c) 2013 - 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
__credits__ = 'Adam Fast, KC0YLK; Dave Kierzkowski, KD8EYF; Steve Zingman, N4IRS; Mike Zingman, N4IRR' __credits__ = 'Adam Fast, KC0YLK; Dave Kierzkowski, KD8EYF; Steve Zingman, N4IRS; Mike Zingman, N4IRR'
@ -56,172 +59,9 @@ __license__ = 'GNU GPLv3'
__maintainer__ = 'Cort Buffington, N0MJS' __maintainer__ = 'Cort Buffington, N0MJS'
__email__ = 'n0mjs@me.com' __email__ = 'n0mjs@me.com'
# Change the current directory to the location of the application # Global variables for all class instances
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'
#************************************************
# PARSE THE CONFIG FILE AND BUILD STRUCTURE
#************************************************
systems = {} systems = {}
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['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 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'),
'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
CONFIG = build_config(cli_args.CFG_FILE)
#************************************************ #************************************************
# CONFIGURE THE SYSTEM LOGGER # CONFIGURE THE SYSTEM LOGGER
#************************************************ #************************************************
@ -261,12 +101,12 @@ def config_logging(_logger):
'file': { 'file': {
'class': 'logging.FileHandler', 'class': 'logging.FileHandler',
'formatter': 'simple', 'formatter': 'simple',
'filename': CONFIG['LOGGER']['LOG_FILE'], 'filename': _logger['LOG_FILE'],
}, },
'file-timed': { 'file-timed': {
'class': 'logging.FileHandler', 'class': 'logging.FileHandler',
'formatter': 'timed', 'formatter': 'timed',
'filename': CONFIG['LOGGER']['LOG_FILE'], 'filename': _logger['LOG_FILE'],
}, },
'syslog': { 'syslog': {
'class': 'logging.handlers.SysLogHandler', 'class': 'logging.handlers.SysLogHandler',
@ -274,16 +114,14 @@ def config_logging(_logger):
} }
}, },
'loggers': { 'loggers': {
CONFIG['LOGGER']['LOG_NAME']: { _logger['LOG_NAME']: {
'handlers': CONFIG['LOGGER']['LOG_HANDLERS'].split(','), 'handlers': _logger['LOG_HANDLERS'].split(','),
'level': CONFIG['LOGGER']['LOG_LEVEL'], 'level': _logger['LOG_LEVEL'],
'propagate': True, 'propagate': True,
} }
} }
}) })
return logging.getLogger(CONFIG['LOGGER']['LOG_NAME']) return logging.getLogger(_logger['LOG_NAME'])
logger = config_logging(CONFIG['LOGGER'])
#************************************************ #************************************************
@ -304,102 +142,11 @@ try:
except ImportError: except ImportError:
sys.exit('IPSC mask values file not found or invalid') sys.exit('IPSC mask values file not found or invalid')
# Import the Alias files for numeric ids. This is split to save
# time making lookups in one huge dictionary
#
curdir= os.path.dirname(__file__)
subscriber_ids = {}
peer_ids = {}
talkgroup_ids = {}
def reread_peers():
global peer_ids
try:
with open(CONFIG['GLOBAL']['PATH']+'peer_ids.csv', 'rU') as peer_ids_csv:
peers = csv.reader(peer_ids_csv, dialect='excel', delimiter=',')
peer_ids = {}
for row in peers:
peer_ids[int(row[0])] = (row[1])
except ImportError:
logger.warning('peer_ids.csv not found: Peer aliases will not be available')
def reread_talkgroups():
global talkgroup_ids
try:
with open(CONFIG['GLOBAL']['PATH']+'talkgroup_ids.csv', 'rU') as talkgroup_ids_csv:
talkgroups = csv.reader(talkgroup_ids_csv, dialect='excel', delimiter=',')
talkgroup_ids = {}
for row in talkgroups:
talkgroup_ids[int(row[1])] = (row[0])
except ImportError:
logger.warning('talkgroup_ids.csv not found: Talkgroup aliases will not be available')
def reread_subscribers():
global subscriber_ids
try:
with open(CONFIG['GLOBAL']['PATH']+'subscriber_ids.csv', 'rU') as subscriber_ids_csv:
subscribers = csv.reader(subscriber_ids_csv, dialect='excel', delimiter=',')
subscriber_ids = {}
for row in subscribers:
subscriber_ids[int(row[0])] = (row[1])
logger.info('Subscriber file has been updated. %s IDs imported', len(subscriber_ids))
except ImportError:
logger.warning('subscriber_ids.csv not found: Subscriber aliases will not be available')
reread_peers()
reread_talkgroups()
reread_subscribers()
def get_subscriber_info(_src_sub):
return get_info(int_id(_src_sub), subscriber_ids)
#************************************************ #************************************************
# UTILITY FUNCTIONS FOR INTERNAL USE # UTILITY FUNCTIONS FOR INTERNAL USE
#************************************************ #************************************************
# Create a 2 byte hex string from an integer
#
def hex_str_2(_int_id):
try:
return format(_int_id,'x').rjust(4,'0').decode('hex')
except TypeError:
logger.error('hex_str_2: invalid integer length')
# Create a 3 byte hex string from an integer
#
def hex_str_3(_int_id):
try:
return format(_int_id,'x').rjust(6,'0').decode('hex')
except TypeError:
logger.error('hex_str_3: invalid integer length')
# Create a 4 byte hex string from an integer
#
def hex_str_4(_int_id):
try:
return format(_int_id,'x').rjust(8,'0').decode('hex')
except TypeError:
logger.error('hex_str_4: invalid integer length')
# Convert a hex string to an int (radio ID, etc.)
#
def int_id(_hex_string):
return int(h(_hex_string), 16)
# Re-Write Source Radio-ID (DMR NAT)
#
def dmr_nat(_data, _src_id, _nat_id):
_data = _data.replace(_src_id, _nat_id)
return _data
# Lookup text data for numeric IDs
#
def get_info(_id, _dict):
if _id in _dict:
return _dict[_id]
return _id
# Determine if the provided peer ID is valid for the provided network # Determine if the provided peer ID is valid for the provided network
# #
def valid_peer(_peer_list, _peerid): def valid_peer(_peer_list, _peerid):
@ -632,24 +379,27 @@ def print_master(_network):
# Timed loop used for reporting IPSC status # Timed loop used for reporting IPSC status
# #
# REPORT BASED ON THE TYPE SELECTED IN THE MAIN CONFIG FILE # REPORT BASED ON THE TYPE SELECTED IN THE MAIN CONFIG FILE
if CONFIG['REPORTS']['REPORT_NETWORKS'] == 'PICKLE': def config_reports(_config):
global reporting_loop
if _config['REPORTS']['REPORT_NETWORKS'] == 'PICKLE':
def reporting_loop(): def reporting_loop():
logger.debug('Periodic Reporting Loop Started (PICKLE)') logger.debug('Periodic Reporting Loop Started (PICKLE)')
try: try:
with open(CONFIG['REPORTS']['REPORT_PATH']+'dmrlink_stats.pickle', 'wb') as file: with open(_config['REPORTS']['REPORT_PATH']+'dmrlink_stats.pickle', 'wb') as file:
pickle_dump(CONFIG['SYSTEMS'], file, 2) pickle_dump(_config['SYSTEMS'], file, 2)
file.close() file.close()
except IOError as detail: except IOError as detail:
logger.error('I/O Error: %s', detail) logger.error('I/O Error: %s', detail)
elif CONFIG['REPORTS']['REPORT_NETWORKS'] == 'PRINT': elif _config['REPORTS']['REPORT_NETWORKS'] == 'PRINT':
def reporting_loop(): def reporting_loop():
logger.debug('Periodic Reporting Loop Started (PRINT)') logger.debug('Periodic Reporting Loop Started (PRINT)')
for system in CONFIG['SYSTEMS']: for system in _config['SYSTEMS']:
print_master(system) print_master(system)
print_peer_list(system) print_peer_list(system)
else: else:
def reporting_loop(): def reporting_loop():
logger.debug('Periodic Reporting Loop Started (NULL)') logger.debug('Periodic Reporting Loop Started (NULL)')
@ -1172,11 +922,13 @@ class IPSC(DatagramProtocol):
return return
return return
# MOTOROLA XCMP/XNL CONTROL PROTOCOL: We don't process these (yet) # MOTOROLA XCMP/XNL CONTROL PROTOCOL: We don't process these (yet)
elif _packettype == XCMP_XNL: elif _packettype == XCMP_XNL:
self.xcmp_xnl(self._network, data) self.xcmp_xnl(self._network, data)
return return
# ORIGINATED BY PEERS, NOT IPSC MAINTENANCE: Call monitoring is all we've found here so far # ORIGINATED BY PEERS, NOT IPSC MAINTENANCE: Call monitoring is all we've found here so far
elif _packettype == CALL_MON_STATUS: elif _packettype == CALL_MON_STATUS:
self.call_mon_status(self._network, data) self.call_mon_status(self._network, data)
@ -1190,6 +942,7 @@ class IPSC(DatagramProtocol):
self.call_mon_nack(self._network, data) self.call_mon_nack(self._network, data)
return return
# IPSC CONNECTION MAINTENANCE MESSAGES # IPSC CONNECTION MAINTENANCE MESSAGES
elif _packettype == DE_REG_REQ: elif _packettype == DE_REG_REQ:
de_register_peer(self._network, _peerid) de_register_peer(self._network, _peerid)
@ -1206,9 +959,8 @@ class IPSC(DatagramProtocol):
return return
return return
#
# THE FOLLOWING PACKETS ARE RECEIVED ONLY IF WE ARE OPERATING AS A PEER # THE FOLLOWING PACKETS ARE RECEIVED ONLY IF WE ARE OPERATING AS A PEER
#
# ONLY ACCEPT FROM A PREVIOUSLY VALIDATED PEER # ONLY ACCEPT FROM A PREVIOUSLY VALIDATED PEER
if _packettype in PEER_REQUIRED: if _packettype in PEER_REQUIRED:
@ -1254,7 +1006,6 @@ class IPSC(DatagramProtocol):
return return
return return
# THIS MEANS WE HAVE SUCCESSFULLY REGISTERED TO OUR MASTER - RECORD MASTER INFORMATION # THIS MEANS WE HAVE SUCCESSFULLY REGISTERED TO OUR MASTER - RECORD MASTER INFORMATION
elif _packettype == MASTER_REG_REPLY: elif _packettype == MASTER_REG_REPLY:
self.master_reg_reply(data, _peerid) self.master_reg_reply(data, _peerid)
@ -1262,7 +1013,6 @@ class IPSC(DatagramProtocol):
# THE FOLLOWING PACKETS ARE RECEIVED ONLLY IF WE ARE OPERATING AS A MASTER # THE FOLLOWING PACKETS ARE RECEIVED ONLLY IF WE ARE OPERATING AS A MASTER
# REQUESTS FROM PEERS: WE MUST REPLY IMMEDIATELY FOR IPSC MAINTENANCE # REQUESTS FROM PEERS: WE MUST REPLY IMMEDIATELY FOR IPSC MAINTENANCE
# REQUEST TO REGISTER TO THE IPSC # REQUEST TO REGISTER TO THE IPSC
@ -1280,8 +1030,6 @@ class IPSC(DatagramProtocol):
self.peer_list_req(_peerid) self.peer_list_req(_peerid)
return return
# PACKET IS OF AN UNKNOWN TYPE. LOG IT AND IDENTTIFY IT! # PACKET IS OF AN UNKNOWN TYPE. LOG IT AND IDENTTIFY IT!
else: else:
self.unknown_message(self._network, _packettype, _peerid, data) self.unknown_message(self._network, _packettype, _peerid, data)
@ -1294,6 +1042,24 @@ class IPSC(DatagramProtocol):
#************************************************ #************************************************
if __name__ == '__main__': if __name__ == '__main__':
# 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'
CONFIG = build_config(cli_args.CFG_FILE)
logger = config_logging(CONFIG['LOGGER'])
config_reports(CONFIG)
logger.info('DMRlink \'dmrlink.py\' (c) 2013 - 2015 N0MJS & the K0USY Group - SYSTEM STARTING...') logger.info('DMRlink \'dmrlink.py\' (c) 2013 - 2015 N0MJS & the K0USY Group - SYSTEM STARTING...')
# INITIALIZE AN IPSC OBJECT (SELF SUSTAINING) FOR EACH CONFIGUED IPSC # INITIALIZE AN IPSC OBJECT (SELF SUSTAINING) FOR EACH CONFIGUED IPSC

181
dmrlink_config.py Executable file
View File

@ -0,0 +1,181 @@
#!/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
__author__ = 'Cortney T. Buffington, N0MJS'
__copyright__ = 'Copyright (c) 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
__credits__ = 'Adam Fast, KC0YLK; Dave Kierzkowski, KD8EYF; Steve Zingman, N4IRS; Mike Zingman, N4IRR'
__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['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 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'),
'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
if __name__ == '__main__':
pass