#!/usr/pkg/bin/python
"""receive packet, for testing purposes

   just sit until packet arrives on specified port, then print it out"""
Copyright = """
    recv -- receive a packet and print it
    Copyright (C) 2004  John Comeau <jc@jcomeau.com>

    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.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    """
errormessage = "Not all needed libraries found, upgrade or check path"
try:
 True # not defined in older Python releases
except:
 True, False = 1, 0
try:
 import sys, os, types, re, pwd
 sys.path.append(os.sep.join([pwd.getpwuid(os.geteuid())[5], 'lib', 'python']))
 from com.jcomeau import gpl, jclicense
except:
 try:
  sys.stderr.write("%s\n" % errormessage)
 except:
  print errormessage
 raise

# get name this program was called as
self = sys.argv[0].split(os.sep)[-1]
command = self.split('.')[0]  # chop any suffix (extension)
# now get name we gave it when we wrote it
originalself = Copyright.split()[0]

# globals and routines that should be in every program
# (yes, you could import them, but there are problems in that approach too)

def DebugPrint(*whatever):
 return False  # defined instead by pytest module, use that for debugging

# other globals, specific to this program
from socket import *

def recv(*args):
 """listen for packet and print it...

    mainly for testing other software, but might have some practical uses
 """
 try:
  while type(args[0]) != types.StringType:
   args = args[0]
  protocol, portstring = args 
 except:
  sys.stderr.write("Usage: %s PROTOCOL PORT\n" % command)
  sys.exit(0)
 socket_type = SOCK_STREAM
 if protocol == 'udp':
  socket_type = SOCK_DGRAM
 port = int(portstring)
 receiver = socket(AF_INET, socket_type)
 receiver.bind(('0.0.0.0', port))  # note double parens, must be tuple
 print receiver.recv(1024)

if __name__ == '__main__':
 # if this program was imported by another, the above test will fail,
 # and this following code won't be used...
 recv(sys.argv[1:])
else:
 # if you want something to be done on import, do it here; otherwise pass
 pass