Contention Handler Updates
This commit is contained in:
Cort Buffington
parent
d62b6861ac
commit
d4832fc0d0
59
bridge.py
59
bridge.py
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@ -84,8 +84,8 @@ for _ipsc in RULES_FILE:
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for _rule in RULES_FILE[_ipsc]['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'] - 1
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_rule['DST_TS'] = _rule['DST_TS'] - 1
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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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@ -153,18 +153,18 @@ def rule_timer_loop():
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if _rule['ACTIVE'] == True:
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if _rule['TIMER'] < _now:
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_rule['ACTIVE'] = False
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logger.info('(%s) Rule timout DEACTIVATE: Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS']+1, int_id(_rule['DST_GROUP']))
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logger.info('(%s) Rule timout DEACTIVATE: Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS'], int_id(_rule['DST_GROUP']))
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else:
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timeout_in = _rule['TIMER'] - _now
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logger.info('(%s) Rule ACTIVE with ON timer running: Timeout eligible in: %ds, Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, timeout_in, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS']+1, int_id(_rule['DST_GROUP']))
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logger.info('(%s) Rule ACTIVE with ON timer running: Timeout eligible in: %ds, Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, timeout_in, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS'], int_id(_rule['DST_GROUP']))
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elif _rule['TO_TYPE'] == 'OFF':
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if _rule['ACTIVE'] == False:
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if _rule['TIMER'] < _now:
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_rule['ACTIVE'] = True
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logger.info('(%s) Rule timout ACTIVATE: Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS']+1, int_id(_rule['DST_GROUP']))
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logger.info('(%s) Rule timout ACTIVATE: Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS'], int_id(_rule['DST_GROUP']))
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else:
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timeout_in = _rule['TIMER'] - _now
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logger.info('(%s) Rule DEACTIVE with OFF timer running: Timeout eligible in: %ds, Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, timeout_in, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS']+1, int_id(_rule['DST_GROUP']))
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logger.info('(%s) Rule DEACTIVE with OFF timer running: Timeout eligible in: %ds, Rule name: %s, Target IPSC: %s, TS: %s, TGID: %s', _network, timeout_in, _rule['NAME'], _rule['DST_NET'], _rule['DST_TS'], int_id(_rule['DST_GROUP']))
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else:
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logger.debug('Rule timer loop made no rule changes')
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@ -179,8 +179,8 @@ class bridgeIPSC(IPSC):
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logger.info('Initializing standard bridging')
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self.IPSC_STATUS = {
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'TS1': {'RX_GROUP':'\x00', 'TX_GROUP':'\x00', 'RX_TIME':0, 'TX_TIME':0, 'RX_SRC_SUB':'\x00', 'TX_SRC_SUB':'\x00'},
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'TS2': {'RX_GROUP':'\x00', 'TX_GROUP':'\x00', 'RX_TIME':0, 'TX_TIME':0, 'RX_SRC_SUB':'\x00', 'TX_SRC_SUB':'\x00'}
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1: {'RX_GROUP':'\x00', 'TX_GROUP':'\x00', 'RX_TIME':0, 'TX_TIME':0, 'RX_SRC_SUB':'\x00', 'TX_SRC_SUB':'\x00'},
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2: {'RX_GROUP':'\x00', 'TX_GROUP':'\x00', 'RX_TIME':0, 'TX_TIME':0, 'RX_SRC_SUB':'\x00', 'TX_SRC_SUB':'\x00'}
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}
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self.last_seq_id = '\x00'
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@ -230,10 +230,7 @@ class bridgeIPSC(IPSC):
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logger.debug('(%s) Group Voice Packet Received From: %s, IPSC Peer %s, Destination %s', _network, int_id(_src_sub), int_id(_peerid), int_id(_dst_group))
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_burst_data_type = _data[30] # Determine the type of voice packet this is (see top of file for possible types)
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_seq_id = _data[5]
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if _ts == 0:
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_TS = 'TS1'
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elif _ts == 1:
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_TS = 'TS2'
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_ts += 1
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now = time() # Mark packet arrival time -- we'll need this for call contention handling
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@ -257,21 +254,21 @@ class bridgeIPSC(IPSC):
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# From the same group as the last TX to this IPSC, but from a different subscriber, and it has been less than TS Clear Time
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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'] != _status[_TS]['RX_GROUP']) and ((now - _status[_TS]['RX_TIME']) < RULES[_network]['GROUP_HANGTIME'])):
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if ((rule['DST_GROUP'] != _status[rule['DST_TS']]['RX_GROUP']) and ((now - _status[rule['DST_TS']]['RX_TIME']) < RULES[_network]['GROUP_HANGTIME'])):
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if _burst_data_type == BURST_DATA_TYPE['VOICE_HEAD']:
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logger.info('(%s) Call not bridged, target active or in group hangtime: IPSC %s, %s, TGID%s', _network, _target, _TS, int_id(rule['DST_GROUP']))
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logger.info('(%s) Call not bridged to TGID%s, target active or in group hangtime: IPSC: %s, TS: %s, TGID: %s', _network, int_id(rule['DST_GROUP']), _target, rule['DST_TS'], int_id(_status[rule['DST_TS']]['RX_GROUP']))
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continue
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if ((rule['DST_GROUP'] != _status[_TS]['TX_GROUP']) and ((now - _status[_TS]['TX_TIME']) < RULES[_network]['GROUP_HANGTIME'])):
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if ((rule['DST_GROUP'] != _status[rule['DST_TS']]['TX_GROUP']) and ((now - _status[rule['DST_TS']]['TX_TIME']) < RULES[_network]['GROUP_HANGTIME'])):
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if _burst_data_type == BURST_DATA_TYPE['VOICE_HEAD']:
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logger.info('(%s) Call not bridged to destination on TGID %s, target in group hangtime: IPSC %s, %s, TGID%s', _network, int_id(_status[_TS]['TX_GROUP']), _target, _TS, int_id(rule['DST_GROUP']))
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logger.info('(%s) Call not bridged to TGID%s, target in group hangtime: IPSC: %s, TS: %s, TGID: %s', _network, int_id(rule['DST_GROUP']), _target, rule['DST_TS'], int_id(_status[rule['DST_TS']]['TX_GROUP']))
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continue
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if (rule['DST_GROUP'] == _status[_TS]['RX_GROUP']) and ((now - _status[_TS]['RX_TIME']) < TS_CLEAR_TIME):
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if (rule['DST_GROUP'] == _status[rule['DST_TS']]['RX_GROUP']) and ((now - _status[rule['DST_TS']]['RX_TIME']) < TS_CLEAR_TIME):
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if _burst_data_type == BURST_DATA_TYPE['VOICE_HEAD']:
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logger.info('(%s) Call not bridged, matching call already active on target: IPSC %s, %s, TGID%s', _network, _target, _TS, int_id(rule['DST_GROUP']))
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logger.info('(%s) Call not bridged to TGID%s, matching call already active on target: IPSC: %s, TS: %s, TGID: %s', _network, int_id(rule['DST_GROUP']), _target, rule['DST_TS'], int_id(_status[rule['DST_TS']]['RX_GROUP']))
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continue
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if (rule['DST_GROUP'] == _status[_TS]['TX_GROUP']) and (_src_sub != _status[_TS]['TX_SRC_SUB']) and ((now - _status[_TS]['TX_TIME']) < TS_CLEAR_TIME):
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if (rule['DST_GROUP'] == _status[rule['DST_TS']]['TX_GROUP']) and (_src_sub != _status[rule['DST_TS']]['TX_SRC_SUB']) and ((now - _status[rule['DST_TS']]['TX_TIME']) < TS_CLEAR_TIME):
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if _burst_data_type == BURST_DATA_TYPE['VOICE_HEAD']:
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logger.info('(%s) Call not bridged, call bridge in progress from %s, target: IPSC %s, %s, TGID%s', _network, int_id(_src_sub), _target, _TS, int_id(rule['DST_GROUP']))
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logger.info('(%s) Call not bridged for subscriber %s, call bridge in progress on target: IPSC: %s, TS: %s, TGID: %s SUB: %s', _network, int_id(_src_sub), _target, rule['DST_TS'], int_id(_status[rule['DST_TS']]['TX_GROUP']), int_id(_status[rule['DST_TS']]['TX_SRC_SUB']))
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continue
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#
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# END CONTENTION HANDLING
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@ -292,9 +289,9 @@ class bridgeIPSC(IPSC):
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# Re-Write IPSC timeslot value
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_call_info = int_id(_data[17:18])
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if rule['DST_TS'] == 0:
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if rule['DST_TS'] == 1:
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_call_info &= ~(1 << 5)
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elif rule['DST_TS'] == 1:
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elif rule['DST_TS'] == 2:
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_call_info |= 1 << 5
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_call_info = chr(_call_info)
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_tmp_data = _tmp_data[:17] + _call_info + _tmp_data[18:]
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@ -307,7 +304,7 @@ class bridgeIPSC(IPSC):
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_slot_valid = False
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# Re-Write timeslot if necessary...
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if _slot_valid:
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if rule['DST_TS'] == 0:
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if rule['DST_TS'] == 1:
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_burst_data_type = BURST_DATA_TYPE['SLOT1_VOICE']
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elif rule['DST_TS'] == 1:
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_burst_data_type = BURST_DATA_TYPE['SLOT2_VOICE']
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@ -321,14 +318,14 @@ class bridgeIPSC(IPSC):
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# Set values for the contention handler to test next time there is a frame to forward
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_status[_TS]['TX_GROUP'] = rule['DST_GROUP']
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_status[_TS]['TX_TIME'] = now
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_status[_TS]['TX_SRC_SUB'] = _src_sub
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_status[_ts]['TX_GROUP'] = rule['DST_GROUP']
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_status[_ts]['TX_TIME'] = now
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_status[_ts]['TX_SRC_SUB'] = _src_sub
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# Mark the group and time that a packet was recieved for the contention handler to use later
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self.IPSC_STATUS[_TS]['RX_GROUP'] = _dst_group
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self.IPSC_STATUS[_TS]['RX_TIME'] = now
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self.IPSC_STATUS[_ts]['RX_GROUP'] = _dst_group
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self.IPSC_STATUS[_ts]['RX_TIME'] = now
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#
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@ -342,15 +339,15 @@ class bridgeIPSC(IPSC):
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if self.last_seq_id != _seq_id:
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self.last_seq_id = _seq_id
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self.call_start = time()
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logger.info('(%s) GROUP VOICE START: CallID: %s PEER: %s, SUB: %s, TS: %s, TGID: %s', _network, int_id(_seq_id), int_id(_peerid), int_id(_src_sub), _ts+1, int_id(_dst_group))
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logger.info('(%s) GROUP VOICE START: CallID: %s PEER: %s, SUB: %s, TS: %s, TGID: %s', _network, int_id(_seq_id), int_id(_peerid), int_id(_src_sub), _ts, int_id(_dst_group))
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# Action happens on un-key
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if _burst_data_type == BURST_DATA_TYPE['VOICE_TERM']:
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if self.last_seq_id == _seq_id:
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self.call_duration = time() - self.call_start
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logger.info('(%s) GROUP VOICE END: CallID: %s PEER: %s, SUB: %s, TS: %s, TGID: %s Duration: %.2fs', _network, int_id(_seq_id), int_id(_peerid), int_id(_src_sub), _ts+1, int_id(_dst_group), self.call_duration)
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logger.info('(%s) GROUP VOICE END: CallID: %s PEER: %s, SUB: %s, TS: %s, TGID: %s Duration: %.2fs', _network, int_id(_seq_id), int_id(_peerid), int_id(_src_sub), _ts, int_id(_dst_group), self.call_duration)
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else:
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logger.warning('(%s) GROUP VOICE END WITHOUT MATCHING START: CallID: %s PEER: %s, SUB: %s, TS: %s, TGID: %s', _network, int_id(_seq_id), int_id(_peerid), int_id(_src_sub), _ts+1, int_id(_dst_group),)
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logger.warning('(%s) GROUP VOICE END WITHOUT MATCHING START: CallID: %s PEER: %s, SUB: %s, TS: %s, TGID: %s', _network, int_id(_seq_id), int_id(_peerid), int_id(_src_sub), _ts, int_id(_dst_group),)
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# Iterate the rules dictionary
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for rule in RULES[_network]['GROUP_VOICE']:
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