Modularized... I think this works.
This commit is contained in:
Cort Buffington
parent
13e99a9392
commit
eeec223609
@ -23,7 +23,6 @@ from __future__ import print_function
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from bitarray import bitarray
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# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = ''
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@ -31,16 +30,6 @@ __license__ = 'GNU GPLv3'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__email__ = 'n0mjs@me.com'
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# Timers
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STREAM_TO = .360
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# HomeBrew Protocol Frame Types
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HBPF_VOICE = 0x0
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HBPF_VOICE_SYNC = 0x1
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HBPF_DATA_SYNC = 0x2
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HBPF_SLT_VHEAD = 0x1
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HBPF_SLT_VTERM = 0x2
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# Slot Type Data types
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DMR_SLT_VHEAD = '\x01'
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DMR_SLT_VTERM = '\x02'
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119
dmr_utils.py
Executable file
119
dmr_utils.py
Executable file
@ -0,0 +1,119 @@
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#!/usr/bin/env python
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#
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###############################################################################
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# hb_router.py -- a call routing applicaiton for hblink.py
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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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from __future__ import print_function
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import os
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from time import time
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from urllib import URLopener
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from csv import reader as csv_reader
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from binascii import b2a_hex as ahex
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# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = 'Colin Durbridge, G4EML, Steve Zingman, N4IRS; Mike Zingman'
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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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#************************************************
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# STRING UTILITY FUNCTIONS
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#************************************************
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# Create a 2 byte hex string from an integer
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def hex_str_2(_int_id):
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try:
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return format(_int_id,'x').rjust(4,'0').decode('hex')
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except TypeError:
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raise
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# Create a 3 byte hex string from an integer
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def hex_str_3(_int_id):
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try:
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return format(_int_id,'x').rjust(6,'0').decode('hex')
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except TypeError:
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raise
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# Create a 4 byte hex string from an integer
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def hex_str_4(_int_id):
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try:
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return format(_int_id,'x').rjust(8,'0').decode('hex')
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except TypeError:
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raise
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# Convert a hex string to an int (radio ID, etc.)
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def int_id(_hex_string):
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return int(ahex(_hex_string), 16)
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#************************************************
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# ID ALIAS FUNCTIONS
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#************************************************
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# Download and build dictionaries for mapping number to aliases
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# Used by applications. These lookups take time, please do not shove them
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# into this file everywhere and send a pull request!!!
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# Download a new file if it doesn't exist, or is older than the stale time
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def try_download(_path, _file, _url, _stale,):
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now = time()
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url = URLopener()
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file_exists = os.path.isfile(_path+_file) == True
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if file_exists:
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file_old = (os.path.getmtime(_path+_file) + _stale) < now
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if not file_exists or (file_exists and file_old):
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try:
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url.retrieve(_url, _path+_file)
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result = 'ID ALIAS MAPPER: \'{}\' successfully downloaded'.format(_file)
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except IOError:
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result = 'ID ALIAS MAPPER: \'{}\' could not be downloaded'.format(_file)
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else:
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result = 'ID ALIAS MAPPER: \'{}\' is current, not downloaded'.format(_file)
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url.close()
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return result
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def mk_id_dict(_path, _file):
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dict = {}
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try:
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with open(_path+_file, 'rU') as _handle:
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ids = csv_reader(_handle, dialect='excel', delimiter=',')
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for row in ids:
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dict[int(row[0])] = (row[1])
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_handle.close
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return dict
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except IOError:
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return dict
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def get_info(_id, _dict):
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if _id in _dict:
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return _dict[_id]
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return _id
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# These are the functions you should use to look up IDs in the dictionaries
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def sub_alias(_sub_id):
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return get_info(int_id(_sub_id), subscriber_ids)
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def peer_alias(_peer_id):
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return get_info(int_id(_peer_id), peer_ids)
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def tg_alias(_tgid):
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return get_info(int_id(_tgid), talkgroup_ids)
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39
hb_const.py
Executable file
39
hb_const.py
Executable file
@ -0,0 +1,39 @@
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#!/usr/bin/env python
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#
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###############################################################################
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# hb_router.py -- a call routing applicaiton for hblink.py
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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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from __future__ import print_function
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__author__ = 'Cortney T. Buffington, N0MJS'
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__copyright__ = 'Copyright (c) 2016 Cortney T. Buffington, N0MJS and the K0USY Group'
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__credits__ = ''
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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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# Timers
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STREAM_TO = .360
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# HomeBrew Protocol Frame Types
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HBPF_VOICE = 0x0
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HBPF_VOICE_SYNC = 0x1
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HBPF_DATA_SYNC = 0x2
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HBPF_SLT_VHEAD = 0x1
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HBPF_SLT_VTERM = 0x2
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273
hb_router.py
273
hb_router.py
@ -23,7 +23,6 @@ from __future__ import print_function
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# Python modules we need
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import sys
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from binascii import b2a_hex as h
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from bitarray import bitarray
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from time import time
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@ -33,74 +32,14 @@ from twisted.internet import reactor
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from twisted.internet import task
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# Things we import from the main hblink module
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from hblink import CONFIG, HBSYSTEM, logger, systems, hex_str_3, int_id, sub_alias, peer_alias, tg_alias
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from hblink import HBSYSTEM, systems, int_id, hblink_handler
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from dmr_utils import hex_str_3, int_id, sub_alias, peer_alias, tg_alias
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import dec_dmr
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import bptc
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import constants as const
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# Import Bridging rules
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# Note: A stanza *must* exist for any MASTER or CLIENT configured in the main
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# configuration file and listed as "active". It can be empty,
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# but it has to exist.
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try:
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from hb_routing_rules import RULES as RULES_FILE
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logger.info('Routing rules file found and rules imported')
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except ImportError:
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sys.exit('Routing rules file not found or invalid')
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# Convert integer GROUP ID numbers from the config into hex strings
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# we need to send in the actual data packets.
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for _system in RULES_FILE:
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for _rule in RULES_FILE[_system]['GROUP_VOICE']:
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_rule['SRC_GROUP'] = hex_str_3(_rule['SRC_GROUP'])
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_rule['DST_GROUP'] = hex_str_3(_rule['DST_GROUP'])
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_rule['SRC_TS'] = _rule['SRC_TS']
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_rule['DST_TS'] = _rule['DST_TS']
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for i, e in enumerate(_rule['ON']):
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_rule['ON'][i] = hex_str_3(_rule['ON'][i])
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for i, e in enumerate(_rule['OFF']):
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_rule['OFF'][i] = hex_str_3(_rule['OFF'][i])
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_rule['TIMEOUT']= _rule['TIMEOUT']*60
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_rule['TIMER'] = time() + _rule['TIMEOUT']
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if _system not in CONFIG['SYSTEMS']:
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sys.exit('ERROR: Routing rules found for system not configured main configuration')
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for _system in CONFIG['SYSTEMS']:
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if _system not in RULES_FILE:
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sys.exit('ERROR: Routing rules not found for all systems configured')
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RULES = RULES_FILE
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# Import subscriber ACL
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# ACL may be a single list of subscriber IDs
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# Global action is to allow or deny them. Multiple lists with different actions and ranges
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# are not yet implemented.
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try:
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from sub_acl import ACL_ACTION, ACL
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# uses more memory to build hex strings, but processes MUCH faster when checking for matches
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for i, e in enumerate(ACL):
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ACL[i] = hex_str_3(ACL[i])
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logger.info('Subscriber access control file found, subscriber ACL imported')
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except ImportError:
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logger.critical('\'sub_acl.py\' not found - all subscriber IDs are valid')
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ACL_ACTION = 'NONE'
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# Depending on which type of ACL is used (PERMIT, DENY... or there isn't one)
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# define a differnet function to be used to check the ACL
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if ACL_ACTION == 'PERMIT':
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def allow_sub(_sub):
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if _sub in ACL:
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return True
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else:
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return False
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elif ACL_ACTION == 'DENY':
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def allow_sub(_sub):
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if _sub not in ACL:
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return True
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else:
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return False
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else:
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def allow_sub(_sub):
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return True
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import hb_config
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import hb_log
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import dmr_const
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import hb_const
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# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
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__author__ = 'Cortney T. Buffington, N0MJS'
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@ -111,6 +50,75 @@ __maintainer__ = 'Cort Buffington, N0MJS'
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__email__ = 'n0mjs@me.com'
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__status__ = 'pre-alpha'
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# Module gobal varaibles
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# Import Bridging rules
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# Note: A stanza *must* exist for any MASTER or CLIENT configured in the main
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# configuration file and listed as "active". It can be empty,
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# but it has to exist.
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def make_rules():
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try:
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from hb_routing_rules import RULES as RULES_FILE
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logger.info('Routing rules file found and rules imported')
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except ImportError:
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sys.exit('Routing rules file not found or invalid')
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# Convert integer GROUP ID numbers from the config into hex strings
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# we need to send in the actual data packets.
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for _system in RULES_FILE:
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for _rule in RULES_FILE[_system]['GROUP_VOICE']:
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_rule['SRC_GROUP'] = hex_str_3(_rule['SRC_GROUP'])
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_rule['DST_GROUP'] = hex_str_3(_rule['DST_GROUP'])
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_rule['SRC_TS'] = _rule['SRC_TS']
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_rule['DST_TS'] = _rule['DST_TS']
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for i, e in enumerate(_rule['ON']):
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_rule['ON'][i] = hex_str_3(_rule['ON'][i])
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for i, e in enumerate(_rule['OFF']):
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_rule['OFF'][i] = hex_str_3(_rule['OFF'][i])
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_rule['TIMEOUT']= _rule['TIMEOUT']*60
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_rule['TIMER'] = time() + _rule['TIMEOUT']
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if _system not in CONFIG['SYSTEMS']:
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sys.exit('ERROR: Routing rules found for system not configured main configuration')
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for _system in CONFIG['SYSTEMS']:
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if _system not in RULES_FILE:
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sys.exit('ERROR: Routing rules not found for all systems configured')
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return RULES_FILE
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# Import subscriber ACL
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# ACL may be a single list of subscriber IDs
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# Global action is to allow or deny them. Multiple lists with different actions and ranges
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# are not yet implemented.
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def build_acl():
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try:
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from sub_acl import ACL_ACTION, ACL
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# uses more memory to build hex strings, but processes MUCH faster when checking for matches
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for i, e in enumerate(ACL):
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ACL[i] = hex_str_3(ACL[i])
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logger.info('Subscriber access control file found, subscriber ACL imported')
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except ImportError:
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logger.critical('\'sub_acl.py\' not found - all subscriber IDs are valid')
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ACL_ACTION = 'NONE'
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# Depending on which type of ACL is used (PERMIT, DENY... or there isn't one)
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# define a differnet function to be used to check the ACL
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if ACL_ACTION == 'PERMIT':
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def allow_sub(_sub):
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if _sub in ACL:
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return True
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else:
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return False
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elif ACL_ACTION == 'DENY':
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def allow_sub(_sub):
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if _sub not in ACL:
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return True
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else:
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return False
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else:
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def allow_sub(_sub):
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return True
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# Run this every minute for rule timer updates
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def rule_timer_loop():
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@ -140,8 +148,8 @@ def rule_timer_loop():
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class routerSYSTEM(HBSYSTEM):
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def __init__(self, _name, _config):
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HBSYSTEM.__init__(self, _name, _config)
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def __init__(self, _name, _config, _logger):
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HBSYSTEM.__init__(self, _name, _config, _logger)
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# Status information for the system, TS1 & TS2
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# 1 & 2 are "timeslot"
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@ -158,7 +166,7 @@ class routerSYSTEM(HBSYSTEM):
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'TX_TGID': '\x00\x00\x00',
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'RX_TIME': time(),
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'TX_TIME': time(),
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'RX_TYPE': const.HBPF_SLT_VTERM,
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'RX_TYPE': hb_const.HBPF_SLT_VTERM,
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'RX_LC': '\x00',
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'TX_H_LC': '\x00',
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'TX_T_LC': '\x00',
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@ -180,7 +188,7 @@ class routerSYSTEM(HBSYSTEM):
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'TX_TGID': '\x00\x00\x00',
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'RX_TIME': time(),
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'TX_TIME': time(),
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'RX_TYPE': const.HBPF_SLT_VTERM,
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'RX_TYPE': hb_const.HBPF_SLT_VTERM,
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'RX_LC': '\x00',
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'TX_H_LC': '\x00',
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'TX_T_LC': '\x00',
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@ -207,7 +215,7 @@ class routerSYSTEM(HBSYSTEM):
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# Is this a new call stream?
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if (_stream_id != self.STATUS[_slot]['RX_STREAM_ID']):
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if (self.STATUS[_slot]['RX_TYPE'] != const.HBPF_SLT_VTERM) and (pkt_time < (self.STATUS[_slot]['RX_TIME'] + const.STREAM_TO)) and (_rf_src != self.STATUS[_slot]['RX_RFS']):
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if (self.STATUS[_slot]['RX_TYPE'] != hb_const.HBPF_SLT_VTERM) and (pkt_time < (self.STATUS[_slot]['RX_TIME'] + hb_const.STREAM_TO)) and (_rf_src != self.STATUS[_slot]['RX_RFS']):
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logger.warning('(%s) Packet received with STREAM ID: %s <FROM> SUB: %s REPEATER: %s <TO> TGID %s, SLOT %s collided with existing call', self._system, int_id(_stream_id), int_id(_rf_src), int_id(_radio_id), int_id(_dst_id), _slot)
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return
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@ -216,14 +224,14 @@ class routerSYSTEM(HBSYSTEM):
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logger.info('(%s) *CALL START* STREAM ID: %s SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %s', self._system, int_id(_stream_id), sub_alias(_rf_src), int_id(_rf_src), peer_alias(_radio_id), int_id(_radio_id), tg_alias(_dst_id), int_id(_dst_id), _slot)
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# If we can, use the LC from the voice header as to keep all options intact
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if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD:
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if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
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decoded = dec_dmr.voice_head_term(dmrpkt)
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self.STATUS[_slot]['RX_LC'] = decoded['LC']
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# If we don't have a voice header then don't wait to decode it from the Embedded LC
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# just make a new one from the HBP header. This is good enough, and it saves lots of time
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else:
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self.STATUS[_slot]['RX_LC'] = const.LC_OPT + _dst_id + _rf_src
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self.STATUS[_slot]['RX_LC'] = dmr_const.LC_OPT + _dst_id + _rf_src
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for rule in RULES[self._system]['GROUP_VOICE']:
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@ -242,19 +250,19 @@ class routerSYSTEM(HBSYSTEM):
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# The "continue" at the end of each means the next iteration of the for loop that tests for matching rules
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#
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if ((rule['DST_GROUP'] != _target_status[rule['DST_TS']]['RX_TGID']) and ((pkt_time - _target_status[rule['DST_TS']]['RX_TIME']) < RULES[_target]['GROUP_HANGTIME'])):
|
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if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD:
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if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
|
||||
logger.info('(%s) Call not routed to TGID%s, target active or in group hangtime: HBSystem: %s, TS: %s, TGID: %s', self._system, int_id(rule['DST_GROUP']), _target, rule['DST_TS'], int_id(_target_status[rule['DST_TS']]['RX_TGID']))
|
||||
continue
|
||||
if ((rule['DST_GROUP'] != _target_status[rule['DST_TS']]['TX_TGID']) and ((pkt_time - _target_status[rule['DST_TS']]['TX_TIME']) < RULES[_target]['GROUP_HANGTIME'])):
|
||||
if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD:
|
||||
if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
|
||||
logger.info('(%s) Call not routed to TGID%s, target in group hangtime: HBSystem: %s, TS: %s, TGID: %s', self._system, int_id(rule['DST_GROUP']), _target, rule['DST_TS'], int_id(_target_status[rule['DST_TS']]['TX_TGID']))
|
||||
continue
|
||||
if (rule['DST_GROUP'] == _target_status[rule['DST_TS']]['RX_TGID']) and ((pkt_time - _target_status[rule['DST_TS']]['RX_TIME']) < const.STREAM_TO):
|
||||
if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD:
|
||||
if (rule['DST_GROUP'] == _target_status[rule['DST_TS']]['RX_TGID']) and ((pkt_time - _target_status[rule['DST_TS']]['RX_TIME']) < hb_const.STREAM_TO):
|
||||
if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
|
||||
logger.info('(%s) Call not routed to TGID%s, matching call already active on target: HBSystem: %s, TS: %s, TGID: %s', self._system, int_id(rule['DST_GROUP']), _target, rule['DST_TS'], int_id(_target_status[rule['DST_TS']]['RX_TGID']))
|
||||
continue
|
||||
if (rule['DST_GROUP'] == _target_status[rule['DST_TS']]['TX_TGID']) and (_rf_src != _target_status[rule['DST_TS']]['TX_RFS']) and ((pkt_time - _target_status[rule['DST_TS']]['TX_TIME']) < const.STREAM_TO):
|
||||
if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD:
|
||||
if (rule['DST_GROUP'] == _target_status[rule['DST_TS']]['TX_TGID']) and (_rf_src != _target_status[rule['DST_TS']]['TX_RFS']) and ((pkt_time - _target_status[rule['DST_TS']]['TX_TIME']) < hb_const.STREAM_TO):
|
||||
if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
|
||||
logger.info('(%s) Call not routed for subscriber %s, call route in progress on target: HBSystem: %s, TS: %s, TGID: %s, SUB: %s', self._system, int_id(_rf_src), _target, rule['DST_TS'], int_id(_target_status[rule['DST_TS']]['TX_TGID']), _target_status[rule['DST_TS']]['TX_RFS'])
|
||||
continue
|
||||
|
||||
@ -289,10 +297,10 @@ class routerSYSTEM(HBSYSTEM):
|
||||
dmrbits = bitarray(endian='big')
|
||||
dmrbits.frombytes(dmrpkt)
|
||||
# Create a voice header packet (FULL LC)
|
||||
if _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VHEAD:
|
||||
if _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VHEAD:
|
||||
dmrbits = _target_status[rule['DST_TS']]['TX_H_LC'][0:98] + dmrbits[98:166] + _target_status[rule['DST_TS']]['TX_H_LC'][98:197]
|
||||
# Create a voice terminator packet (FULL LC)
|
||||
elif _frame_type == const.HBPF_DATA_SYNC and _dtype_vseq == const.HBPF_SLT_VTERM:
|
||||
elif _frame_type == hb_const.HBPF_DATA_SYNC and _dtype_vseq == hb_const.HBPF_SLT_VTERM:
|
||||
dmrbits = _target_status[rule['DST_TS']]['TX_T_LC'][0:98] + dmrbits[98:166] + _target_status[rule['DST_TS']]['TX_T_LC'][98:197]
|
||||
# Create a Burst B-E packet (Embedded LC)
|
||||
elif _dtype_vseq in [1,2,3,4]:
|
||||
@ -307,7 +315,7 @@ class routerSYSTEM(HBSYSTEM):
|
||||
|
||||
|
||||
# Final actions - Is this a voice terminator?
|
||||
if (_frame_type == const.HBPF_DATA_SYNC) and (_dtype_vseq == const.HBPF_SLT_VTERM) and (self.STATUS[_slot]['RX_TYPE'] != const.HBPF_SLT_VTERM):
|
||||
if (_frame_type == hb_const.HBPF_DATA_SYNC) and (_dtype_vseq == hb_const.HBPF_SLT_VTERM) and (self.STATUS[_slot]['RX_TYPE'] != hb_const.HBPF_SLT_VTERM):
|
||||
call_duration = pkt_time - self.STATUS['RX_START']
|
||||
logger.info('(%s) *CALL END* STREAM ID: %s SUB: %s (%s) REPEATER: %s (%s) TGID %s (%s), TS %s, Duration: %s', self._system, int_id(_stream_id), sub_alias(_rf_src), int_id(_rf_src), peer_alias(_radio_id), int_id(_radio_id), tg_alias(_dst_id), int_id(_dst_id), _slot, call_duration)
|
||||
|
||||
@ -374,12 +382,107 @@ class routerSYSTEM(HBSYSTEM):
|
||||
#************************************************
|
||||
|
||||
if __name__ == '__main__':
|
||||
logger.info('HBlink \'hb_router.py\' (c) 2016 N0MJS & the K0USY Group - SYSTEM STARTING...')
|
||||
|
||||
import argparse
|
||||
import sys
|
||||
import os
|
||||
import signal
|
||||
from dmrutils import try_download, mk_id_dict
|
||||
|
||||
|
||||
#
|
||||
# Parse the command line and make adjustments
|
||||
#
|
||||
|
||||
# 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 hblink.cfg)')
|
||||
parser.add_argument('-l', '--logging', action='store', dest='LOG_LEVEL', help='Override config file logging level.')
|
||||
cli_args = parser.parse_args()
|
||||
|
||||
# Ensure we have a path for the config file, if one wasn't specified, then use the default (top of file)
|
||||
if not cli_args.CONFIG_FILE:
|
||||
cli_args.CONFIG_FILE = os.path.dirname(os.path.abspath(__file__))+'/hblink.cfg'
|
||||
|
||||
|
||||
#
|
||||
# Build the configuration file
|
||||
#
|
||||
|
||||
# Call the external routine to build the configuration dictionary
|
||||
CONFIG = hb_config.build_config(cli_args.CONFIG_FILE)
|
||||
|
||||
|
||||
#
|
||||
# Start the system logger
|
||||
#
|
||||
|
||||
if cli_args.LOG_LEVEL:
|
||||
CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL
|
||||
logger = hb_log.config_logging(CONFIG['LOGGER'])
|
||||
logger.debug('Logging system started, anything from here on gets logged')
|
||||
|
||||
|
||||
#
|
||||
# Set up the signal handler
|
||||
#
|
||||
|
||||
def sig_handler(_signal, _frame):
|
||||
logger.info('SHUTDOWN: HBROUTER IS TERMINATING WITH SIGNAL %s', str(_signal))
|
||||
hblink_handler(_signal, _frame, logger)
|
||||
logger.info('SHUTDOWN: ALL SYSTEM HANDLERS EXECUTED - STOPPING REACTOR')
|
||||
reactor.stop()
|
||||
|
||||
# Set signal handers so that we can gracefully exit if need be
|
||||
for sig in [signal.SIGTERM, signal.SIGINT]:
|
||||
signal.signal(sig, sig_handler)
|
||||
|
||||
|
||||
#
|
||||
# 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: peer_ids dictionary is available')
|
||||
|
||||
talkgroup_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['TGID_FILE'])
|
||||
if talkgroup_ids:
|
||||
logger.info('ID ALIAS MAPPER: peer_ids dictionary is available')
|
||||
|
||||
|
||||
#
|
||||
# START HB_ROUTER
|
||||
#
|
||||
|
||||
# Build the routing rules file
|
||||
RULES = make_rules()
|
||||
|
||||
# Build the Access Control List
|
||||
build_acl()
|
||||
|
||||
# HBlink instance creation
|
||||
logger.info('HBlink \'hb_router.py\' (c) 2016 N0MJS & the K0USY Group - SYSTEM STARTING...')
|
||||
for system in CONFIG['SYSTEMS']:
|
||||
if CONFIG['SYSTEMS'][system]['ENABLED']:
|
||||
systems[system] = routerSYSTEM(system, CONFIG)
|
||||
systems[system] = routerSYSTEM(system, CONFIG, logger)
|
||||
reactor.listenUDP(CONFIG['SYSTEMS'][system]['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['IP'])
|
||||
logger.debug('%s instance created: %s, %s', CONFIG['SYSTEMS'][system]['MODE'], system, systems[system])
|
||||
|
||||
|
||||
304
hblink.py
304
hblink.py
@ -21,27 +21,15 @@
|
||||
|
||||
from __future__ import print_function
|
||||
|
||||
# Python modules we need
|
||||
import argparse
|
||||
import sys
|
||||
import os
|
||||
import signal
|
||||
|
||||
# Specifig functions from modules we need
|
||||
from binascii import b2a_hex as h
|
||||
from binascii import a2b_hex as a
|
||||
from socket import gethostbyname
|
||||
from binascii import b2a_hex as ahex
|
||||
from binascii import a2b_hex as bhex
|
||||
from random import randint
|
||||
from hashlib import sha256
|
||||
from time import time
|
||||
from urllib import URLopener
|
||||
from csv import reader as csv_reader
|
||||
#from bitstring import BitArray
|
||||
from bitstring import BitArray
|
||||
import socket
|
||||
|
||||
# Debugging functions
|
||||
from pprint import pprint
|
||||
|
||||
# Twisted is pretty important, so I keep it separate
|
||||
from twisted.internet.protocol import DatagramProtocol
|
||||
from twisted.internet import reactor
|
||||
@ -50,6 +38,7 @@ from twisted.internet import task
|
||||
# Other files we pull from -- this is mostly for readability and segmentation
|
||||
import hb_log
|
||||
import hb_config
|
||||
from dmr_utils import int_id, hex_str_4
|
||||
|
||||
# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
|
||||
__author__ = 'Cortney T. Buffington, N0MJS'
|
||||
@ -63,132 +52,12 @@ __email__ = 'n0mjs@me.com'
|
||||
# Global variables used whether we are a module or __main__
|
||||
systems = {}
|
||||
|
||||
# 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 hblink.cfg)')
|
||||
parser.add_argument('-l', '--logging', action='store', dest='LOG_LEVEL', help='Override config file logging level.')
|
||||
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__))+'/hblink.cfg'
|
||||
|
||||
|
||||
# Call the external routine to build the configuration dictionary
|
||||
CONFIG = hb_config.build_config(cli_args.CONFIG_FILE)
|
||||
|
||||
# Call the external routing to start the system logger
|
||||
if cli_args.LOG_LEVEL:
|
||||
CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL
|
||||
logger = hb_log.config_logging(CONFIG['LOGGER'])
|
||||
logger.debug('Logging system started, anything from here on gets logged')
|
||||
|
||||
# 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)
|
||||
logger.info('ID ALIAS MAPPER: DOWNLOAD: \'%s\' successfully downloaded', _file)
|
||||
except IOError:
|
||||
logger.warning('ID ALIAS MAPPER: DOWNLOAD: \'%s\' could not be downloaded', _file)
|
||||
else:
|
||||
logger.info('ID ALIAS MAPPER: DOWNLOAD: \'%s\' is current, not downloaded', _file)
|
||||
url.close()
|
||||
|
||||
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])
|
||||
logger.info('ID ALIAS MAPPER: IMPORT: %s IDs from FILE %s', len(dict), _file)
|
||||
_handle.close
|
||||
except IOError:
|
||||
logger.warning('ID ALIAS MAPPER: IMPORT: FILE %s not found; aliases will not be available', _file)
|
||||
return dict
|
||||
|
||||
def get_info(_id, _dict):
|
||||
if _id in _dict:
|
||||
return _dict[_id]
|
||||
return _id
|
||||
|
||||
# Download files and build the dictionaries
|
||||
if CONFIG['ALIASES']['TRY_DOWNLOAD'] == True:
|
||||
try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'], CONFIG['ALIASES']['PEER_URL'], CONFIG['ALIASES']['STALE_TIME'])
|
||||
try_download(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'], CONFIG['ALIASES']['SUBSCRIBER_URL'], CONFIG['ALIASES']['STALE_TIME'])
|
||||
peer_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['PEER_FILE'])
|
||||
subscriber_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['SUBSCRIBER_FILE'])
|
||||
talkgroup_ids = mk_id_dict(CONFIG['ALIASES']['PATH'], CONFIG['ALIASES']['TGID_FILE'])
|
||||
|
||||
# These are the functions you should use to look up IDs in the dictionaries
|
||||
def sub_alias(_sub_id):
|
||||
return get_info(int_id(_sub_id), subscriber_ids)
|
||||
|
||||
def peer_alias(_peer_id):
|
||||
return get_info(int_id(_peer_id), peer_ids)
|
||||
|
||||
def tg_alias(_tgid):
|
||||
return get_info(int_id(_tgid), talkgroup_ids)
|
||||
|
||||
|
||||
# Shut ourselves down gracefully by disconnecting from the masters and clients.
|
||||
def handler(_signal, _frame):
|
||||
logger.info('*** HBLINK IS TERMINATING WITH SIGNAL %s ***', str(_signal))
|
||||
|
||||
def hblink_handler(_signal, _frame, _logger):
|
||||
for system in systems:
|
||||
this_system = systems[system]
|
||||
if CONFIG['SYSTEMS'][system]['MODE'] == 'MASTER':
|
||||
for client in CONFIG['SYSTEMS'][system]['CLIENTS']:
|
||||
this_system.send_client(client, 'MSTCL'+client)
|
||||
logger.info('(%s) Sending De-Registration to Client: %s (%s)', system, CONFIG['SYSTEMS'][system]['CLIENTS'][client]['CALLSIGN'], CONFIG['SYSTEMS'][system]['CLIENTS'][client]['RADIO_ID'])
|
||||
elif CONFIG['SYSTEMS'][system]['MODE'] == 'CLIENT':
|
||||
this_system.send_master('RPTCL'+CONFIG['SYSTEMS'][system]['RADIO_ID'])
|
||||
logger.info('(%s) De-Registering From the Master', system)
|
||||
_logger.info('SHUTDOWN: DE-REGISTER SYSTEM: %s', system)
|
||||
systems[system].dereg()
|
||||
|
||||
reactor.stop()
|
||||
|
||||
# Set signal handers so that we can gracefully exit if need be
|
||||
for sig in [signal.SIGTERM, signal.SIGINT]:
|
||||
signal.signal(sig, handler)
|
||||
|
||||
|
||||
#************************************************
|
||||
# UTILITY FUNCTIONS
|
||||
#************************************************
|
||||
|
||||
# Create a 3 byte hex string from an integer
|
||||
def hex_str_3(_int_id):
|
||||
try:
|
||||
#return hex(_int_id)[2:].rjust(6,'0').decode('hex')
|
||||
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 hex(_int_id)[2:].rjust(8,'0').decode('hex')
|
||||
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)
|
||||
|
||||
#************************************************
|
||||
# AMBE CLASS: Used to parse out AMBE and send to gateway
|
||||
@ -217,7 +86,7 @@ class AMBE:
|
||||
_client, _seq, _srcID, _dstID, _rptID, _bits, _slot, _callType, _frameType, _voiceSeq, _streamID )
|
||||
|
||||
#logger.debug('Frame 1:(%s)', self.ByteToHex(_data))
|
||||
_dmr_frame = BitArray('0x'+h(_data[20:]))
|
||||
_dmr_frame = BitArray('0x'+ahex(_data[20:]))
|
||||
_ambe = _dmr_frame[0:108] + _dmr_frame[156:264]
|
||||
#_sock.sendto(_ambe.tobytes(), ("127.0.0.1", 31000))
|
||||
|
||||
@ -226,15 +95,17 @@ class AMBE:
|
||||
self._sock.sendto(ambeBytes[9:18], (self._exp_ip, self._exp_port))
|
||||
self._sock.sendto(ambeBytes[18:27], (self._exp_ip, self._exp_port))
|
||||
|
||||
|
||||
#************************************************
|
||||
# HB MASTER CLASS
|
||||
#************************************************
|
||||
|
||||
class HBSYSTEM(DatagramProtocol):
|
||||
def __init__(self, _name, _config):
|
||||
def __init__(self, _name, _config, _logger):
|
||||
# Define a few shortcuts to make the rest of the class more readable
|
||||
self._CONFIG = _config
|
||||
self._system = _name
|
||||
self._logger = _logger
|
||||
self._config = self._CONFIG['SYSTEMS'][self._system]
|
||||
|
||||
# Define shortcuts and generic function names based on the type of system we are
|
||||
@ -243,12 +114,14 @@ class HBSYSTEM(DatagramProtocol):
|
||||
self.send_system = self.send_clients
|
||||
self.maintenance_loop = self.master_maintenance_loop
|
||||
self.datagramReceived = self.master_datagramReceived
|
||||
self.dereg = self.master_dereg
|
||||
|
||||
elif self._config['MODE'] == 'CLIENT':
|
||||
self._stats = self._config['STATS']
|
||||
self.send_system = self.send_master
|
||||
self.maintenance_loop = self.client_maintenance_loop
|
||||
self.datagramReceived = self.client_datagramReceived
|
||||
self.dereg = self.client_dereg
|
||||
|
||||
# Configure for AMBE audio export if enabled
|
||||
if self._config['EXPORT_AMBE']:
|
||||
@ -261,55 +134,64 @@ class HBSYSTEM(DatagramProtocol):
|
||||
|
||||
# Aliased in __init__ to maintenance_loop if system is a master
|
||||
def master_maintenance_loop(self):
|
||||
logger.debug('(%s) Master maintenance loop started', self._system)
|
||||
self._logger.debug('(%s) Master maintenance loop started', self._system)
|
||||
for client in self._clients:
|
||||
_this_client = self._clients[client]
|
||||
# Check to see if any of the clients have been quiet (no ping) longer than allowed
|
||||
if _this_client['LAST_PING']+self._CONFIG['GLOBAL']['PING_TIME']*self._CONFIG['GLOBAL']['MAX_MISSED'] < time():
|
||||
logger.info('(%s) Client %s (%s) has timed out', self._system, _this_client['CALLSIGN'], _this_client['RADIO_ID'])
|
||||
self._logger.info('(%s) Client %s (%s) has timed out', self._system, _this_client['CALLSIGN'], _this_client['RADIO_ID'])
|
||||
# Remove any timed out clients from the configuration
|
||||
del self._CONFIG['SYSTEMS'][self._system]['CLIENTS'][client]
|
||||
|
||||
# Aliased in __init__ to maintenance_loop if system is a client
|
||||
def client_maintenance_loop(self):
|
||||
logger.debug('(%s) Client maintenance loop started', self._system)
|
||||
self._logger.debug('(%s) Client maintenance loop started', self._system)
|
||||
# If we're not connected, zero out the stats and send a login request RPTL
|
||||
if self._stats['CONNECTION'] == 'NO' or self._stats['CONNECTION'] == 'RTPL_SENT':
|
||||
self._stats['PINGS_SENT'] = 0
|
||||
self._stats['PINGS_ACKD'] = 0
|
||||
self._stats['CONNECTION'] = 'RTPL_SENT'
|
||||
self.send_master('RPTL'+self._config['RADIO_ID'])
|
||||
logger.info('(%s) Sending login request to master %s:%s', self._system, self._config['MASTER_IP'], self._config['MASTER_PORT'])
|
||||
self._logger.info('(%s) Sending login request to master %s:%s', self._system, self._config['MASTER_IP'], self._config['MASTER_PORT'])
|
||||
# If we are connected, sent a ping to the master and increment the counter
|
||||
if self._stats['CONNECTION'] == 'YES':
|
||||
self.send_master('RPTPING'+self._config['RADIO_ID'])
|
||||
self._stats['PINGS_SENT'] += 1
|
||||
logger.debug('(%s) RPTPING Sent to Master. Pings Since Connected: %s', self._system, self._stats['PINGS_SENT'])
|
||||
self._logger.debug('(%s) RPTPING Sent to Master. Pings Since Connected: %s', self._system, self._stats['PINGS_SENT'])
|
||||
|
||||
def send_clients(self, _packet):
|
||||
for _client in self._clients:
|
||||
self.send_client(_client, _packet)
|
||||
#logger.debug('(%s) Packet sent to client %s', self._system, self._clients[_client]['RADIO_ID'])
|
||||
#self._logger.debug('(%s) Packet sent to client %s', self._system, self._clients[_client]['RADIO_ID'])
|
||||
|
||||
def send_client(self, _client, _packet):
|
||||
_ip = self._clients[_client]['IP']
|
||||
_port = self._clients[_client]['PORT']
|
||||
self.transport.write(_packet, (_ip, _port))
|
||||
# KEEP THE FOLLOWING COMMENTED OUT UNLESS YOU'RE DEBUGGING DEEPLY!!!!
|
||||
#logger.debug('(%s) TX Packet to %s on port %s: %s', self._clients[_client]['RADIO_ID'], self._clients[_client]['IP'], self._clients[_client]['PORT'], h(_packet))
|
||||
#self._logger.debug('(%s) TX Packet to %s on port %s: %s', self._clients[_client]['RADIO_ID'], self._clients[_client]['IP'], self._clients[_client]['PORT'], ahex(_packet))
|
||||
|
||||
def send_master(self, _packet):
|
||||
self.transport.write(_packet, (self._config['MASTER_IP'], self._config['MASTER_PORT']))
|
||||
# KEEP THE FOLLOWING COMMENTED OUT UNLESS YOU'RE DEBUGGING DEEPLY!!!!
|
||||
#logger.debug('(%s) TX Packet to %s:%s -- %s', self._system, self._config['MASTER_IP'], self._config['MASTER_PORT'], h(_packet))
|
||||
#self._logger.debug('(%s) TX Packet to %s:%s -- %s', self._system, self._config['MASTER_IP'], self._config['MASTER_PORT'], ahex(_packet))
|
||||
|
||||
def dmrd_received(self, _radio_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data):
|
||||
pass
|
||||
|
||||
def master_dereg(self):
|
||||
for _client in self._clients:
|
||||
self.send_client(_client, 'MSTCL'+_client)
|
||||
self._logger.info('(%s) De-Registration sent to Client: %s (%s)', self._system, self._clients[_client]['CALLSIGN'], self._clients[_client][client]['RADIO_ID'])
|
||||
|
||||
def client_dereg(self):
|
||||
self.send_master('RPTCL'+self._config['RADIO_ID'])
|
||||
self._logger.info('(%s) De-Registeration sent to Master: %s:%s', self._system, self._config['MASTER_IP'], self._config['MASTER_PORT'])
|
||||
|
||||
# Aliased in __init__ to datagramReceived if system is a master
|
||||
def master_datagramReceived(self, _data, (_host, _port)):
|
||||
# Keep This Line Commented Unless HEAVILY Debugging!
|
||||
#logger.debug('(%s) RX packet from %s:%s -- %s', self._system, _host, _port, h(_data))
|
||||
#self._logger.debug('(%s) RX packet from %s:%s -- %s', self._system, _host, _port, ahex(_data))
|
||||
|
||||
# Extract the command, which is various length, all but one 4 significant characters -- RPTCL
|
||||
_command = _data[:4]
|
||||
@ -329,7 +211,7 @@ class HBSYSTEM(DatagramProtocol):
|
||||
_frame_type = (_bits & 0x30) >> 4
|
||||
_dtype_vseq = (_bits & 0xF) # data, 1=voice header, 2=voice terminator; voice, 0=burst A ... 5=burst F
|
||||
_stream_id = _data[16:20]
|
||||
#logger.debug('(%s) DMRD - Seqence: %s, RF Source: %s, Destination ID: %s', self._system, int_id(_seq), int_id(_rf_src), int_id(_dst_id))
|
||||
#self._logger.debug('(%s) DMRD - Seqence: %s, RF Source: %s, Destination ID: %s', self._system, int_id(_seq), int_id(_rf_src), int_id(_dst_id))
|
||||
|
||||
# If AMBE audio exporting is configured...
|
||||
if self._config['EXPORT_AMBE']:
|
||||
@ -340,7 +222,7 @@ class HBSYSTEM(DatagramProtocol):
|
||||
for _client in self._clients:
|
||||
if _client != _radio_id:
|
||||
self.send_client(_client, _data)
|
||||
logger.debug('(%s) Packet on TS%s from %s (%s) for destination ID %s repeated to client: %s (%s) [Stream ID: %s]', self._system, _slot, self._clients[_radio_id]['CALLSIGN'], int_id(_radio_id), int_id(_dst_id), self._clients[_client]['CALLSIGN'], int_id(_client), int_id(_stream_id))
|
||||
self._logger.debug('(%s) Packet on TS%s from %s (%s) for destination ID %s repeated to client: %s (%s) [Stream ID: %s]', self._system, _slot, self._clients[_radio_id]['CALLSIGN'], int_id(_radio_id), int_id(_dst_id), self._clients[_client]['CALLSIGN'], int_id(_client), int_id(_stream_id))
|
||||
|
||||
# Userland actions -- typically this is the function you subclass for an application
|
||||
self.dmrd_received(_radio_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data)
|
||||
@ -355,7 +237,7 @@ class HBSYSTEM(DatagramProtocol):
|
||||
'IP': _host,
|
||||
'PORT': _port,
|
||||
'SALT': randint(0,0xFFFFFFFF),
|
||||
'RADIO_ID': str(int(h(_radio_id), 16)),
|
||||
'RADIO_ID': str(int(ahex(_radio_id), 16)),
|
||||
'CALLSIGN': '',
|
||||
'RX_FREQ': '',
|
||||
'TX_FREQ': '',
|
||||
@ -371,14 +253,14 @@ class HBSYSTEM(DatagramProtocol):
|
||||
'SOFTWARE_ID': '',
|
||||
'PACKAGE_ID': '',
|
||||
}})
|
||||
logger.info('(%s) Repeater Logging in with Radio ID: %s, %s:%s', self._system, int_id(_radio_id), _host, _port)
|
||||
self._logger.info('(%s) Repeater Logging in with Radio ID: %s, %s:%s', self._system, int_id(_radio_id), _host, _port)
|
||||
_salt_str = hex_str_4(self._clients[_radio_id]['SALT'])
|
||||
self.send_client(_radio_id, 'RPTACK'+_salt_str)
|
||||
self._clients[_radio_id]['CONNECTION'] = 'CHALLENGE_SENT'
|
||||
logger.info('(%s) Sent Challenge Response to %s for login: %s', self._system, int_id(_radio_id), self._clients[_radio_id]['SALT'])
|
||||
self._logger.info('(%s) Sent Challenge Response to %s for login: %s', self._system, int_id(_radio_id), self._clients[_radio_id]['SALT'])
|
||||
else:
|
||||
self.transport.write('MSTNAK'+_radio_id, (_host, _port))
|
||||
logger.warning('(%s) Invalid Login from Radio ID: %s', self._system, int_id(_radio_id))
|
||||
self._logger.warning('(%s) Invalid Login from Radio ID: %s', self._system, int_id(_radio_id))
|
||||
|
||||
elif _command == 'RPTK': # Repeater has answered our login challenge
|
||||
_radio_id = _data[4:8]
|
||||
@ -394,14 +276,14 @@ class HBSYSTEM(DatagramProtocol):
|
||||
if _sent_hash == _calc_hash:
|
||||
_this_client['CONNECTION'] = 'WAITING_CONFIG'
|
||||
self.send_client(_radio_id, 'RPTACK'+_radio_id)
|
||||
logger.info('(%s) Client %s has completed the login exchange successfully', self._system, _this_client['RADIO_ID'])
|
||||
self._logger.info('(%s) Client %s has completed the login exchange successfully', self._system, _this_client['RADIO_ID'])
|
||||
else:
|
||||
logger.info('(%s) Client %s has FAILED the login exchange successfully', self._system, _this_client['RADIO_ID'])
|
||||
self._logger.info('(%s) Client %s has FAILED the login exchange successfully', self._system, _this_client['RADIO_ID'])
|
||||
self.transport.write('MSTNAK'+_radio_id, (_host, _port))
|
||||
del self._clients[_radio_id]
|
||||
else:
|
||||
self.transport.write('MSTNAK'+_radio_id, (_host, _port))
|
||||
logger.warning('(%s) Login challenge from Radio ID that has not logged in: %s', self._system, int_id(_radio_id))
|
||||
self._logger.warning('(%s) Login challenge from Radio ID that has not logged in: %s', self._system, int_id(_radio_id))
|
||||
|
||||
elif _command == 'RPTC': # Repeater is sending it's configuraiton OR disconnecting
|
||||
if _data[:5] == 'RPTCL': # Disconnect command
|
||||
@ -410,7 +292,7 @@ class HBSYSTEM(DatagramProtocol):
|
||||
and self._clients[_radio_id]['CONNECTION'] == 'YES' \
|
||||
and self._clients[_radio_id]['IP'] == _host \
|
||||
and self._clients[_radio_id]['PORT'] == _port:
|
||||
logger.info('(%s) Client is closing down: %s (%s)', self._system, self._clients[_radio_id]['CALLSIGN'], int_id(_radio_id))
|
||||
self._logger.info('(%s) Client is closing down: %s (%s)', self._system, self._clients[_radio_id]['CALLSIGN'], int_id(_radio_id))
|
||||
self.transport.write('MSTNAK'+_radio_id, (_host, _port))
|
||||
del self._clients[_radio_id]
|
||||
|
||||
@ -439,10 +321,10 @@ class HBSYSTEM(DatagramProtocol):
|
||||
_this_client['PACKAGE_ID'] = _data[262:302]
|
||||
|
||||
self.send_client(_radio_id, 'RPTACK'+_radio_id)
|
||||
logger.info('(%s) Client %s (%s) has sent repeater configuration', self._system, _this_client['CALLSIGN'], _this_client['RADIO_ID'])
|
||||
self._logger.info('(%s) Client %s (%s) has sent repeater configuration', self._system, _this_client['CALLSIGN'], _this_client['RADIO_ID'])
|
||||
else:
|
||||
self.transport.write('MSTNAK'+_radio_id, (_host, _port))
|
||||
logger.warning('(%s) Client info from Radio ID that has not logged in: %s', self._system, int_id(_radio_id))
|
||||
self._logger.warning('(%s) Client info from Radio ID that has not logged in: %s', self._system, int_id(_radio_id))
|
||||
|
||||
elif _command == 'RPTP': # RPTPing -- client is pinging us
|
||||
_radio_id = _data[7:11]
|
||||
@ -452,18 +334,18 @@ class HBSYSTEM(DatagramProtocol):
|
||||
and self._clients[_radio_id]['PORT'] == _port:
|
||||
self._clients[_radio_id]['LAST_PING'] = time()
|
||||
self.send_client(_radio_id, 'MSTPONG'+_radio_id)
|
||||
logger.debug('(%s) Received and answered RPTPING from client %s (%s)', self._system, self._clients[_radio_id]['CALLSIGN'], int_id(_radio_id))
|
||||
self._logger.debug('(%s) Received and answered RPTPING from client %s (%s)', self._system, self._clients[_radio_id]['CALLSIGN'], int_id(_radio_id))
|
||||
else:
|
||||
self.transport.write('MSTNAK'+_radio_id, (_host, _port))
|
||||
logger.warning('(%s) Client info from Radio ID that has not logged in: %s', self._system, int_id(_radio_id))
|
||||
self._logger.warning('(%s) Client info from Radio ID that has not logged in: %s', self._system, int_id(_radio_id))
|
||||
|
||||
else:
|
||||
logger.error('(%s) Unrecognized command from: %s. Packet: %s', self._system, int_id(_radio_id), h(_data))
|
||||
self._logger.error('(%s) Unrecognized command from: %s. Packet: %s', self._system, int_id(_radio_id), ahex(_data))
|
||||
|
||||
# Aliased in __init__ to datagramReceived if system is a client
|
||||
def client_datagramReceived(self, _data, (_host, _port)):
|
||||
# Keep This Line Commented Unless HEAVILY Debugging!
|
||||
# logger.debug('(%s) RX packet from %s:%s -- %s', self._system, _host, _port, h(_data))
|
||||
# self._logger.debug('(%s) RX packet from %s:%s -- %s', self._system, _host, _port, ahex(_data))
|
||||
|
||||
# Validate that we receveived this packet from the master - security check!
|
||||
if self._config['MASTER_IP'] == _host and self._config['MASTER_PORT'] == _port:
|
||||
@ -481,7 +363,7 @@ class HBSYSTEM(DatagramProtocol):
|
||||
_frame_type = (_bits & 0x30) >> 4
|
||||
_dtype_vseq = (_bits & 0xF) # data, 1=voice header, 2=voice terminator; voice, 0=burst A ... 5=burst F
|
||||
_stream_id = _data[16:20]
|
||||
#logger.debug('(%s) DMRD - Seqence: %s, RF Source: %s, Destination ID: %s', self._system, int_id(_seq), int_id(_rf_src), int_id(_dst_id))
|
||||
#self._logger.debug('(%s) DMRD - Seqence: %s, RF Source: %s, Destination ID: %s', self._system, int_id(_seq), int_id(_rf_src), int_id(_dst_id))
|
||||
|
||||
# If AMBE audio exporting is configured...
|
||||
if self._config['EXPORT_AMBE']:
|
||||
@ -493,22 +375,22 @@ class HBSYSTEM(DatagramProtocol):
|
||||
elif _command == 'MSTN': # Actually MSTNAK -- a NACK from the master
|
||||
_radio_id = _data[4:8]
|
||||
if _radio_id == self._config['RADIO_ID']: # Validate the source and intended target
|
||||
logger.warning('(%s) MSTNAK Received', self._system)
|
||||
self._logger.warning('(%s) MSTNAK Received', self._system)
|
||||
self._stats['CONNECTION'] = 'NO' # Disconnect ourselves and re-register
|
||||
|
||||
elif _command == 'RPTA': # Actually RPTACK -- an ACK from the master
|
||||
# Depending on the state, an RPTACK means different things, in each clause, we check and/or set the state
|
||||
if self._stats['CONNECTION'] == 'RTPL_SENT': # If we've sent a login request...
|
||||
_login_int32 = _data[6:10]
|
||||
logger.info('(%s) Repeater Login ACK Received with 32bit ID: %s', self._system, int_id(_login_int32))
|
||||
self._logger.info('(%s) Repeater Login ACK Received with 32bit ID: %s', self._system, int_id(_login_int32))
|
||||
_pass_hash = sha256(_login_int32+self._config['PASSPHRASE']).hexdigest()
|
||||
_pass_hash = a(_pass_hash)
|
||||
_pass_hash = bhex(_pass_hash)
|
||||
self.send_master('RPTK'+self._config['RADIO_ID']+_pass_hash)
|
||||
self._stats['CONNECTION'] = 'AUTHENTICATED'
|
||||
|
||||
elif self._stats['CONNECTION'] == 'AUTHENTICATED': # If we've sent the login challenge...
|
||||
if _data[6:10] == self._config['RADIO_ID']:
|
||||
logger.info('(%s) Repeater Authentication Accepted', self._system)
|
||||
self._logger.info('(%s) Repeater Authentication Accepted', self._system)
|
||||
_config_packet = self._config['RADIO_ID']+\
|
||||
self._config['CALLSIGN']+\
|
||||
self._config['RX_FREQ']+\
|
||||
@ -527,32 +409,32 @@ class HBSYSTEM(DatagramProtocol):
|
||||
|
||||
self.send_master('RPTC'+_config_packet)
|
||||
self._stats['CONNECTION'] = 'CONFIG-SENT'
|
||||
logger.info('(%s) Repeater Configuration Sent', self._system)
|
||||
self._logger.info('(%s) Repeater Configuration Sent', self._system)
|
||||
else:
|
||||
self._stats['CONNECTION'] = 'NO'
|
||||
logger.error('(%s) Master ACK Contained wrong ID - Connection Reset', self._system)
|
||||
self._logger.error('(%s) Master ACK Contained wrong ID - Connection Reset', self._system)
|
||||
|
||||
elif self._stats['CONNECTION'] == 'CONFIG-SENT': # If we've sent out configuration to the master
|
||||
if _data[6:10] == self._config['RADIO_ID']:
|
||||
logger.info('(%s) Repeater Configuration Accepted', self._system)
|
||||
self._logger.info('(%s) Repeater Configuration Accepted', self._system)
|
||||
self._stats['CONNECTION'] = 'YES'
|
||||
logger.info('(%s) Connection to Master Completed', self._system)
|
||||
self._logger.info('(%s) Connection to Master Completed', self._system)
|
||||
else:
|
||||
self._stats['CONNECTION'] = 'NO'
|
||||
logger.error('(%s) Master ACK Contained wrong ID - Connection Reset', self._system)
|
||||
self._logger.error('(%s) Master ACK Contained wrong ID - Connection Reset', self._system)
|
||||
|
||||
elif _command == 'MSTP': # Actually MSTPONG -- a reply to RPTPING (send by client)
|
||||
if _data [7:11] == self._config['RADIO_ID']:
|
||||
self._stats['PINGS_ACKD'] += 1
|
||||
logger.debug('(%s) MSTPONG Received. Pongs Since Connected: %s', self._system, self._stats['PINGS_ACKD'])
|
||||
self._logger.debug('(%s) MSTPONG Received. Pongs Since Connected: %s', self._system, self._stats['PINGS_ACKD'])
|
||||
|
||||
elif _command == 'MSTC': # Actually MSTCL -- notify us the master is closing down
|
||||
if _data[5:9] == self._config['RADIO_ID']:
|
||||
self._stats['CONNECTION'] = 'NO'
|
||||
logger.info('(%s) MSTCL Recieved', self._system)
|
||||
self._logger.info('(%s) MSTCL Recieved', self._system)
|
||||
|
||||
else:
|
||||
logger.error('(%s) Received an invalid command in packet: %s', self._system, h(_data))
|
||||
self._logger.error('(%s) Received an invalid command in packet: %s', self._system, ahex(_data))
|
||||
|
||||
|
||||
#************************************************
|
||||
@ -560,12 +442,74 @@ class HBSYSTEM(DatagramProtocol):
|
||||
#************************************************
|
||||
|
||||
if __name__ == '__main__':
|
||||
logger.info('HBlink \'HBlink.py\' (c) 2016 N0MJS & the K0USY Group - SYSTEM STARTING...')
|
||||
# Python modules we need
|
||||
import argparse
|
||||
import sys
|
||||
import os
|
||||
import signal
|
||||
|
||||
|
||||
#
|
||||
# Parse the command line and make adjustments
|
||||
#
|
||||
|
||||
# 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 hblink.cfg)')
|
||||
parser.add_argument('-l', '--logging', action='store', dest='LOG_LEVEL', help='Override config file logging level.')
|
||||
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__))+'/hblink.cfg'
|
||||
|
||||
|
||||
#
|
||||
# Build the configuration file
|
||||
#
|
||||
|
||||
# Call the external routine to build the configuration dictionary
|
||||
CONFIG = hb_config.build_config(cli_args.CONFIG_FILE)
|
||||
|
||||
|
||||
#
|
||||
# Start the system logger
|
||||
#
|
||||
|
||||
# Call the external routing to start the system logger
|
||||
if cli_args.LOG_LEVEL:
|
||||
CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL
|
||||
logger = hb_log.config_logging(CONFIG['LOGGER'])
|
||||
logger.debug('Logging system started, anything from here on gets logged')
|
||||
|
||||
|
||||
#
|
||||
# Set up the signal handler
|
||||
#
|
||||
|
||||
def sig_handler(_signal, _frame):
|
||||
logger.info('SHUTDOWN: HBLINK IS TERMINATING WITH SIGNAL %s', str(_signal))
|
||||
hblink_handler(_signal, _frame, logger)
|
||||
logger.info('SHUTDOWN: ALL SYSTEM HANDLERS EXECUTED - STOPPING REACTOR')
|
||||
reactor.stop()
|
||||
|
||||
# Set signal handers so that we can gracefully exit if need be
|
||||
for sig in [signal.SIGTERM, signal.SIGINT]:
|
||||
signal.signal(sig, sig_handler)
|
||||
|
||||
|
||||
#
|
||||
# START HB_ROUTER
|
||||
#
|
||||
|
||||
# HBlink instance creation
|
||||
logger.info('HBlink \'HBlink.py\' (c) 2016 N0MJS & the K0USY Group - SYSTEM STARTING...')
|
||||
for system in CONFIG['SYSTEMS']:
|
||||
if CONFIG['SYSTEMS'][system]['ENABLED']:
|
||||
systems[system] = HBSYSTEM(system, CONFIG)
|
||||
systems[system] = HBSYSTEM(system, CONFIG, logger)
|
||||
reactor.listenUDP(CONFIG['SYSTEMS'][system]['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['IP'])
|
||||
logger.debug('%s instance created: %s, %s', CONFIG['SYSTEMS'][system]['MODE'], system, systems[system])
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user