Esempio n. 1
0
def pickport(rhost):
  '''select a open port on a remote host

Inputs:
    rhost -- hostname on which to select a open port
  '''
  from pathos.LauncherSSH import LauncherSSH
  from pathos.portpicker import __file__ as src
  # make sure src is a .py file, not .pyc or .pyo
  src = src.rstrip('co')
  launcher = LauncherSSH('pickport')
  launcher.stage(command='python', rhost=rhost, #XXX: pox.which or which_python?
          fgbg='foreground', stdin=open(src))
  logging.info('executing {python <%s} on %s', src, rhost)
  launcher.launch()
  try:
    rport = int(launcher.response())
  except:
    from Tunnel import TunnelException
    raise TunnelException, "failure to pick remote port"
  # return remote port number
  return rport
Esempio n. 2
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def randomport(host=None):
  '''select a open port on a (possibly) remote host

Inputs:
    host -- hostname on which to select a open port
  '''
  from pathos.portpicker import randomport
  if not host:
    return randomport()
  from pathos.LauncherSSH import LauncherSSH
  from pathos.portpicker import __file__ as src
  # make sure src is a .py file, not .pyc or .pyo
  src = src.rstrip('co')
  launcher = LauncherSSH() #XXX: use pox.which / which_python?
  launcher(command='python', host=host, background=False, stdin=open(src))
  logging.info('executing {python <%s} on %s', src, host)
  launcher.launch()
  try:
    rport = int(launcher.response())
  except:
    from Tunnel import TunnelException
    raise TunnelException("failure to pick remote port")
  # return remote port number
  return rport
Esempio n. 3
0
def randomport(host=None):
  '''select a open port on a (possibly) remote host

Inputs:
    host -- hostname on which to select a open port
  '''
  from pathos.portpicker import randomport
  if not host:
    return randomport()
  from pathos.secure import Pipe
  from pathos.portpicker import __file__ as src
  # make sure src is a .py file, not .pyc or .pyo
  src = src.rstrip('co')
  launcher = Pipe() #XXX: use pox.which / which_python?
  launcher(command='python', host=host, background=False, stdin=open(src))
  pathos.logger().info('executing {python <%s} on %s', src, host)
  launcher.launch()
  try:
    rport = int(launcher.response())
  except:
    from pathos.secure import TunnelException
    raise TunnelException("failure to pick remote port")
  # return remote port number
  return rport