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
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
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
