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TS/TGID Matching + re-Writes on TX

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borrowed matching and re-write logic from bridge.py to make this match
on specific TS/TGID combinations and re-write values on playback.
This commit is contained in:
Cort Buffington 2015-08-11 21:18:36 -05:00
parent 95a03fc28a
commit 0885a3b565
1 changed files with 54 additions and 3 deletions
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57
play_group.py
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@ -28,31 +28,82 @@ __version__ = '0.1a'
__email__ = 'n0mjs@me.com'
__status__ = 'pre-alpha'
filename = '../../test.ipsc'
# Constants for this application
#
BURST_DATA_TYPE = {
'VOICE_HEAD': '\x01',
'VOICE_TERM': '\x02',
'SLOT1_VOICE': '\x0A',
'SLOT2_VOICE': '\x8A'
}
# path+filename for the transmission to play back
filename = '../test.pickle'
# groups that we want to trigger playback of this file (ts1 and ts2)
trigger_groups_1 = ['\x00\x00\x02', '\x00\x00\x03']
trigger_groups_2 = ['\x00\x00\x02', '\x00\x00\x03']
class playIPSC(IPSC):
def __init__(self, *args, **kwargs):
IPSC.__init__(self, *args, **kwargs)
self.CALL_DATA = []
self.event_id = 1
#************************************************
# CALLBACK FUNCTIONS FOR USER PACKET TYPES
#************************************************
#
def group_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
def group_voice(self, _network, _src_sub, _dst_group, _ts, _end, _peerid, _data):
if _end:
if True:
if (_ts == 0 and _dst_group in trigger_groups_1) or (_ts == 1 and _dst_group in trigger_groups_2) :
logger.info('(Event ID: %s) Playback triggered from TS %s, TGID %s', self.event_id, (_ts +1), _dst_group)
# Determine the type of voice packet this is (see top of file for possible types)
_burst_data_type = _data[30]
if _ts == 0:
_TS = 'TS1'
elif _ts == 1:
_TS = 'TS2'
time.sleep(2)
self.CALL_DATA = pickle.load(open(filename, 'rb'))
logger.info('(Event ID: %s) Playing back file: %s', self.event_id, filename)
for i in self.CALL_DATA:
_tmp_data = i
# re-Write the peer radio ID to that of this program
_tmp_data = _tmp_data.replace(_peerid, NETWORK[_network]['LOCAL']['RADIO_ID'])
# re-Write the source subscriber ID to that of this program
_tmp_data = _tmp_data.replace(_src_sub, NETWORK[_network]['LOCAL']['RADIO_ID'])
# Re-Write IPSC timeslot value
_call_info = int_id(_data[17:18])
if _ts == 0:
_call_info &= ~(1 << 5)
elif _ts == 1:
_call_info |= 1 << 5
_call_info = chr(_call_info)
_tmp_data = _tmp_data[:17] + _call_info + _tmp_data[18:]
# Re-Write DMR timeslot value
# Determine if the slot is present, so we can translate if need be
if _burst_data_type == BURST_DATA_TYPE['SLOT1_VOICE'] or _burst_data_type == BURST_DATA_TYPE['SLOT2_VOICE']:
# Re-Write timeslot if necessary...
if _ts == 0:
_burst_data_type = BURST_DATA_TYPE['SLOT1_VOICE']
elif _ts == 1:
_burst_data_type = BURST_DATA_TYPE['SLOT2_VOICE']
_tmp_data = _tmp_data[:30] + _burst_data_type + _tmp_data[31:]
_tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
# Send the packet to all peers in the target IPSC
self.send_to_ipsc(_tmp_data)
time.sleep(0.06)
self.CALL_DATA = []
logger.info('(Event ID: %s) Playback Completed', self.event_id)
self.event_id = self.event_id + 1
if __name__ == '__main__':
logger.info('DMRlink \'record.py\' (c) 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')