mirror of https://github.com/DJ2LS/FreeDATA
117 lines
3.4 KiB
Python
Executable File
117 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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@author: DJ2LS
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python3 send_file.py --file cleanup.sh --dxcallsign DN2LS-0 --mycallsign DN2LS-2 --attempts 3
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"""
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import argparse
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import socket
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import base64
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import json
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import uuid
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import time
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import crcengine
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# --------------------------------------------GET PARAMETER INPUTS
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parser = argparse.ArgumentParser(description='Simons TEST TNC')
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parser.add_argument('--port', dest="socket_port", default=3000, help="Set socket listening port.", type=int)
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parser.add_argument('--host', dest="socket_host", default='localhost', help="Set the host, the socket is listening on.", type=str)
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parser.add_argument('--file', dest="filename", default='', help="Select the file we want to send", type=str)
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parser.add_argument('--msg', dest="chatmessage", default='file from cli tool', help="Additional text message appended to file", type=str)
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parser.add_argument('--dxcallsign', dest="dxcallsign", default='AA0AA', help="Select the destination callsign", type=str)
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parser.add_argument('--mycallsign', dest="mycallsign", default='AA0AA', help="Select the own callsign", type=str)
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parser.add_argument('--attempts', dest="attempts", default='5', help="Amount of connection attempts", type=int)
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args = parser.parse_args()
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HOST, PORT = args.socket_host, args.socket_port
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filename = args.filename
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dxcallsign = args.dxcallsign
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mycallsign = args.mycallsign
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attempts = args.attempts
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chatmessage = bytes(args.chatmessage, "utf-8")
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if filename != "":
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# open file by name
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f = open(filename, "rb")
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file = f.read()
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filename = bytes(filename, "utf-8")
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else:
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file = b""
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filename = b""
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# convert binary data to base64
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#base64_data = base64.b64encode(file).decode("UTF-8")
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split_char = b'\0;\1;'
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filetype = b"unknown"
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timestamp = str(int(time.time()))
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# timestamp = timestamp.to_bytes(4, byteorder="big")
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timestamp = bytes(timestamp, "utf-8")
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msg_with_attachment = timestamp + \
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split_char + \
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chatmessage + \
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split_char + \
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filename + \
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split_char + \
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filetype + \
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split_char + \
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file
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# calculate checksum
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crc_algorithm = crcengine.new("crc32") # load crc32 library
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crc_data = crc_algorithm(file)
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crc_data = crc_data.to_bytes(4, byteorder="big")
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datatype = b"m"
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command = b"send_message"
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checksum = bytes(crc_data.hex(), "utf-8")
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uuid_4 = bytes(str(uuid.uuid4()), "utf-8")
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data = datatype + \
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split_char + \
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command + \
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split_char + \
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checksum + \
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split_char + \
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uuid_4 + \
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split_char + \
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msg_with_attachment
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data = base64.b64encode(data).decode("UTF-8")
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# message
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# our command we are going to send
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command = {"type": "arq",
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"command": "send_raw",
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"parameter":
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[{"dxcallsign": dxcallsign,
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"mycallsign": mycallsign,
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"attempts": str(attempts),
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"mode": "255",
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"n_frames": "1",
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"data": data}
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]
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}
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command = json.dumps(command)
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print(command)
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command = bytes(command + "\n", 'utf-8')
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# Create a socket (SOCK_STREAM means a TCP socket)
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
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# Connect to server and send data
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sock.connect((HOST, PORT))
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sock.sendall(command)
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timeout = time.time() + 5
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while time.time() < timeout:
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pass |