112 lines
4.8 KiB
Python
Executable File
112 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# This work is licensed under the Creative Attribution-NonCommercial-ShareAlike
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# 3.0 Unported License.To view a copy of this license, visit
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# http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to
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# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
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# California, 94041, USA.
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from __future__ import print_function
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# Python modules we need
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import sys
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# Debugging functions
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from pprint import pprint
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# Twisted is pretty important, so I keep it separate
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from twisted.internet.protocol import DatagramProtocol
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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, HBMASTER, HBCLIENT, logger, systems, hex_str_3, int_id
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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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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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# TEMPORARY DEBUGGING LINE -- TO BE REMOVED LATER
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#pprint(RULES)
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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, N4IRR; Jonathan Naylor, G4KLX; Hans Barthen, DL5DI; Torsten Shultze, DG1HT'
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__license__ = 'Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported'
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__maintainer__ = 'Cort Buffington, N0MJS'
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__email__ = 'n0mjs@me.com'
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__status__ = 'pre-alpha'
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class routerMASTER(HBMASTER):
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def dmrd_received(self, _radio_id, _rf_src, _dst_id, _seq, _data):
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for rule in RULES[self._master]['GROUP_VOICE']:
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_target = rule['DST_NET']
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if _target in RULES:
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systems[_target].send_system(_data)
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logger.debug('(%s) Packet routed to %s system: %s', self._master, CONFIG['SYSTEMS'][_target]['MODE'], _target)
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else:
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logger.debug('(%s) Packet router found no target for packet. Destination was: %s on target network %s', self._master, _dst_id, _target)
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continue
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class routerCLIENT(HBCLIENT):
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def dmrd_received(self, _radio_id, _rf_src, _dst_id, _seq, _data):
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for rule in RULES[self._client]['GROUP_VOICE']:
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_target = rule['DST_NET']
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if _target in RULES:
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systems[_target].send_system(_data)
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logger.debug('(%s) Packet routed to %s system: %s', self._client, CONFIG['SYSTEMS'][_target]['MODE'], _target)
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else:
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logger.debug('(%s) Packet router found no target for packet. Destination was: %s on target network %s', self._client, _dst_id, _target)
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continue
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#************************************************
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# MAIN PROGRAM LOOP STARTS HERE
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#************************************************
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if __name__ == '__main__':
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logger.info('HBlink \'hb_router.py\' (c) 2016 N0MJS & the K0USY Group - SYSTEM STARTING...')
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# HBlink instance creation
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for system in CONFIG['SYSTEMS']:
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if CONFIG['SYSTEMS'][system]['ENABLED']:
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if CONFIG['SYSTEMS'][system]['MODE'] == 'MASTER':
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systems[system] = routerMASTER(system)
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elif CONFIG['SYSTEMS'][system]['MODE'] == 'CLIENT':
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systems[system] = routerCLIENT(system)
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reactor.listenUDP(CONFIG['SYSTEMS'][system]['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['IP'])
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logger.debug('%s instance created: %s, %s', CONFIG['SYSTEMS'][system]['MODE'], system, systems[system])
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reactor.run() |