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python scripts/meshtastic_gnuradio_TX.py

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+# Joint copyright of Josh Conway and discord user:winter_soldier#1984
+# License is GPL3 (Gnu public license version 3)
+
+
+import sys
+import os
+import time
+import argparse
+import base64
+import socket
+import zmq
+import pmt
+from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
+from cryptography.hazmat.backends import default_backend
+from meshtastic import protocols, mesh_pb2
+
+# SDR output example data: ffffffff88696733de87bd6f63080000d5a03d20627d01f45a311b00a520ea0659f7a4b412115b2db1ae092a0cf382f01c1e62494facb39222212c
+# The output will be "on devices nearby, you will see the new node CLU Server/Csvr"
+# portnum: NODEINFO_APP
+# payload: "\n\t!33676988\022\nCLU server\032\004Csvr"\006d\3503gi\210(+"
+
+
+##### START PARSE COMMANDLINE INPUT #####
+
+parser = argparse.ArgumentParser(description='Process incoming command parmeters')
+parser.add_argument('-o', '--output', action='store', dest='output', help='SDR transmit of provided hex string. Does no processing of said data.')
+parser.add_argument('-n', '--net', action='store',dest='net', help='Network TCP in ip or DNS. ZeroMQ protocol.')
+parser.add_argument('-p', '--port', action='store',dest='port', help='Network port')
+# parser.add_argument('-k', '--key', action='store',dest='key', help='AES key override in Base64')
+# parser.add_argument('-D', '--destination', action='store',dest='destination, help='Destination Address. Default is broadcast if not listed')
+# parser.add_argument('-S', '--sender', action='store',dest='sender', help='Sender nodename, without !')
+# parser.add_argument('-P', '--packetid', action='store',dest='packetID', help='Packet ID to emit')
+# parser.add_argument('-F', '--flags', action='store',dest='flags', help='Listed flags')
+# parser.add_argument('-C', '--chanhash', action='store',dest='chanHash', help='Channel hash hint')
+# parser.add_argument('-R', '--reserved', action='store',dest='reserved', help='Reeserved, till later. All zeros.')
+args = parser.parse_args()
+
+##### END PARSE COMMANDLINE INPUT #####
+
+
+
+##### START OPTIONAL NETWORK PROCESS #####
+
+def networkTransmit(ipAddr, port, rawData):
+
+
+    context = zmq.Context()
+    socket = context.socket(zmq.PUSH)
+    socket.connect("tcp://" + ipAddr + ":" + port) # connect, not bind, the PUB will bind, only 1 can bind
+    socket.send(pmt.serialize_str(pmt.to_pmt(rawData)))
+
+##### START OPTIONAL NETWORK PROCESS #####
+
+
+
+if __name__ == "__main__":
+
+    # Network branch. Doesnt exit, so we need IP Port and data
+    try:
+        if len(args.net) > 0 and len(args.port) > 0:
+            print(args.net, args.port)
+            networkTransmit(args.net, args.port, args.output)
+    except:
+        # No data, no workie
+        print("Data not present. Transmission halted.")