Add Sample App

Playback, but uses DMRlink’s subscriber ID instead of a GID as the
target.

playback_user.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python
+#
+# This work is licensed under the Creative Commons Attribution-ShareAlike
+# 3.0 Unported License.To view a copy of this license, visit
+# http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
+# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
+# California, 94041, USA.
+
+# This is a sample application that "records" and replays transmissions for testing.
+
+from __future__ import print_function
+from twisted.internet import reactor
+from binascii import b2a_hex as h
+
+import sys, time
+from dmrlink import IPSC, NETWORK, networks, logger, dmr_nat, int_id, send_to_ipsc, hex_str_3
+
+__author__ = 'Cortney T. Buffington, N0MJS'
+__copyright__ = 'Copyright (c) 2014 Cortney T. Buffington, N0MJS and the K0USY Group'
+__credits__ = 'Adam Fast, KC0YLK; Dave K; and he who wishes not to be named'
+__license__ = 'Creative Commons Attribution-ShareAlike 3.0 Unported'
+__version__ = '0.1b'
+__maintainer__ = 'Cort Buffington, N0MJS'
+__email__ = 'n0mjs@me.com'
+__status__ = 'pre-alpha'
+
+
+try:
+    from playback_user_config import *
+except ImportError:
+    sys.exit('Configuration file not found or invalid')
+
+HEX_SUB = hex_str_3(SUB)
+
+class playbackIPSC(IPSC):
+    
+    def __init__(self, *args, **kwargs):
+        IPSC.__init__(self, *args, **kwargs)
+        self.CALL_DATA = []
+        
+    #************************************************
+    #     CALLBACK FUNCTIONS FOR USER PACKET TYPES
+    #************************************************
+    #
+    def private_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
+    #def group_voice(self, _network, _src_sub, _dst_sub, _ts, _end, _peerid, _data):
+        if HEX_SUB == _dst_sub and TS == _ts:
+            if not _end:
+                if not self.CALL_DATA:
+                    logger.info('(%s) Receiving transmission to be played back from subscriber: %s', _network, int_id(_src_sub))
+                _tmp_data = _data
+                #_tmp_data = dmr_nat(_data, _src_sub, NETWORK[_network]['LOCAL']['RADIO_ID'])
+                self.CALL_DATA.append(_tmp_data)
+            if _end:
+                self.CALL_DATA.append(_data)
+                time.sleep(2)
+                logger.info('(%s) Playing back transmission from subscriber: %s', _network, int_id(_src_sub))
+                for i in self.CALL_DATA:
+                    _tmp_data = i
+                    _tmp_data = _tmp_data.replace(_peerid, NETWORK[_network]['LOCAL']['RADIO_ID'])
+                    _tmp_data = _tmp_data.replace(_src_sub, '\x00\x04\xd2')
+                    _tmp_data = _tmp_data.replace(_dst_sub, _src_sub)
+                    _tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
+                    # Send the packet to all peers in the target IPSC
+                    print(h(_src_sub))
+                    print(h(_tmp_data))
+                    send_to_ipsc(_network, _tmp_data)
+                    time.sleep(0.06)
+                self.CALL_DATA = []
+        
+        
+if __name__ == '__main__':
+    logger.info('DMRlink \'playback.py\' (c) 2013, 2014 N0MJS & the K0USY Group - SYSTEM STARTING...')
+    for ipsc_network in NETWORK:
+        if NETWORK[ipsc_network]['LOCAL']['ENABLED']:
+            networks[ipsc_network] = playbackIPSC(ipsc_network)
+            reactor.listenUDP(NETWORK[ipsc_network]['LOCAL']['PORT'], networks[ipsc_network])
+    reactor.run()

playback_user_config.py

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+#!/usr/bin/env python
+#
+# THESE ARE THE THINGS THAT YOU NEED TO CONFIGURE TO USE playback.py
+# TGID TO LISTEN FOR AND REPEAT ON
+SUB = 1234
+# TIMESLOT TO LISTEN FOR AND REPEAT ON
+TS = 1