pys60 socket example dns resolver

Saturday, 19 November 2011 03:02
// dns resolver using sockets in pys60


import appuifw

import socket

import sys

def puts(s):

  sys.stdout.write(s)  

  sys.stdout.flush()

def gets(s):

  puts(s)

  return sys.stdin.readline()

t=appuifw.app.body.get()

appuifw.app.body.set("")

print "**************"

print "dns query by shankar."

#apid=socket.select_access_point()

#print apid

ap=socket.access_point(2)

socket.set_default_access_point(ap)

puts("connecting to network...")

try:

  ap.start()

  print "OK.\nconnected, our ip:",ap.ip()

  a=1

  print ""

except:

  print "FAILED\nError: unable to connect."

  a=None

while a:

  name1=gets('domain: ')

  try:

    ip=socket.gethostbyname(name1)

    #appuifw.note(unicode(name1 + ' = ' + ip))

    print name1,"=>",ip

    a=appuifw.query(u"continue?","query")

  except SymbianError:

    print "Error: connection error."

    a=None

  except:

    print "Error: query error."

    if gets("continue[a/]?")=='a':

      a=1

    else:

      a=None

  print ""

print 'script completed.'

print "disconnecting from network."

ap.stop()

print "**************"

appuifw.app.body.set(t)