def terminate(self):
## AbstractGrid.terminate:
##
## 1. prevents server from being acquired [AbstractGrid.terminate]
## 2. terminates server and its proxy:
## AbstractGrid.terminate -> PyroServer.terminate ->
## -> PyroProxy.terminate,
## where PyroProxy.terminate does
##
## PyroGrid.terminate:
##
## 3. terminates handler [ PyroHandler.terminate ]
self.check_published()
AbstractGrid.terminate(self)
for instance_uri, handler in self.handlers.items():
try:
handler._release()
handler.terminate()
self.handlers.pop(instance_uri)
except Pyro.errors.PyroError,e:
print ''.join(Pyro.util.getPyroTraceback(e))
def __init__(self, hosts, src_path, display, X11_delay,
debug, verbose,
shared_temp_path, nshost, terminate_during_publish,
method='ssh'):
AbstractGrid.__init__(self, hosts, src_path, display, X11_delay,\
debug, verbose, shared_temp_path)
#copy remaining files specific for the pyrogrid
self.initialise(src_path, ['PyroGrid','PyroUtils',
'PyroHandlerLoader'])
#set the pyro loader as the loader
self.set_loader(src_path, 'PyroHandlerLoader')
#method is either ssh or qsub
if method != 'ssh' and method != 'qsub':
raise ValueError, "unknown method: %s. Try ssh or qsub" % method
self.method = method
#number of hosts
self.n_hosts = len(hosts)
#name of the host having the pyro-ns nameserver
self.nshost = nshost
self.timeout = 60.0 ## (for WatchDog, in minutes)
self.handlers = {} ## maps instance (URI) to a handler (proxy)
self.__terminate_during_publish = terminate_during_publish
self.__published = {}
self.comm_acquired = False
self.__stopped = False
