/usr/bin/nxt_server is in python-nxt 2.2.2-4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #!/usr/bin/python
#
# nxt_server program -- Serve an interface to the NXT brick
# Copyright (C) 2011 zonedabone, Marcus Wanner
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
import nxt
import socket, sys, traceback
from nxt.utils import parse_command_line_arguments
def serve(brick, channel, details):
'handles serving the client'
print "Connection started (" + details[0] + ')'
run = True
try:
while run:
data = channel.recv(1024)
if not data:
break
code = data[0]
if code == '\x00' or code == '\x01' or code == '\x02':
brick.sock.send(data)
reply = brick.sock.recv()
channel.send(reply)
elif code == '\x80' or code == '\x81':
brick.sock.send(data)
elif code == '\x98':
channel.send(brick.sock.type)
elif code == '\x99':
run = False
except:
traceback.print_exc()
finally:
channel.close()
print "Connection Finished"
if __name__ == "__main__":
arguments, keyword_arguments = parse_command_line_arguments(sys.argv)
if '--help' in arguments:
print(
"""nxt_server -- command server for NXT brick
Usage: nxt_server.py [--host <macaddress>][--name <name>]
[--iphost <server ip>][--ipport <server port>]""")
exit(0)
print "Connecting to NXT..."
brick = nxt.find_one_brick(keyword_arguments.get('host',None),keyword_arguments.get('name',None))
print "Brick found."
print "Starting server..."
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind((keyword_arguments.get('iphost',''), int(keyword_arguments.get('ipport','2727'))))
server.listen(1)
# Have the server serve "forever":
while True:
channel, details = server.accept()
#TODO: sasl authentication here?
serve(brick, channel, details)
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