def connect(self, host, port=None, through=None):
'''establish a secure shell tunnel between local and remote host
Input:
host -- remote hostname [user@host:path is also valid]
port -- remote port number
Additional Input:
through -- 'tunnel-through' hostname [default = None]
'''
from pathos.portpicker import portnumber
if port is None:
from pathos.core import randomport
port = randomport(through) if through else randomport(host)
pick = portnumber(self.MINPORT, self.MAXPORT)
while True:
localport = pick()
if localport < 0:
raise TunnelException, 'No available local port'
#print 'Trying port %d...' % localport
try:
self._connect(localport, host, port, through=through)
#print 'SSH tunnel %d:%s:%d' % (localport, host, port)
except TunnelException, e:
if e.args[0] == 'bind':
self.disconnect()
continue
else:
self.__disconnect()
raise TunnelException, 'Connection failed'
self.connected = True
return localport
def connect(self, host, port=None, through=None):
'''establish a secure shell tunnel between local and remote host
Input:
host -- remote hostname [user@host:path is also valid]
port -- remote port number
Additional Input:
through -- 'tunnel-through' hostname [default = None]
'''
from pathos.portpicker import portnumber
if port is None:
from pathos.core import randomport
port = randomport(through) if through else randomport(host)
pick = portnumber(self.MINPORT, self.MAXPORT)
while True:
localport = pick()
if localport < 0:
raise TunnelException, 'No available local port'
#print 'Trying port %d...' % localport
try:
self._connect(localport, host, port, through=through)
#print 'SSH tunnel %d:%s:%d' % (localport, host, port)
except TunnelException, e:
if e.args[0] == 'bind':
self.disconnect()
continue
else:
self.__disconnect()
raise TunnelException, 'Connection failed'
self.connected = True
return localport