def __init__(self, event_loop = ThreadedEventLoop()):
Process.__init__(self)
self.server_pipe, self.client_pipe = Pipe()
self.server_router = Router(self.server_pipe)
self.client_router = Router(self.client_pipe)
self.srv_command_pipe = self.server_router.create()
self.cli_command_pipe = self.client_router.create(self.srv_command_pipe.id)
self.children = {}
self.client_event_loop = event_loop
self.client_event_loop.register_hook(self.client_router.eventloop_hook)
class InsulatedFactory(Process):
def __init__(self, event_loop = ThreadedEventLoop()):
Process.__init__(self)
self.server_pipe, self.client_pipe = Pipe()
self.server_router = Router(self.server_pipe)
self.client_router = Router(self.client_pipe)
self.srv_command_pipe = self.server_router.create()
self.cli_command_pipe = self.client_router.create(self.srv_command_pipe.id)
self.children = {}
self.client_event_loop = event_loop
self.client_event_loop.register_hook(self.client_router.eventloop_hook)
def start_event_loop(self):
self.client_event_loop.start()
def stop_event_loop(self):
self.client_event_loop.stop()
def _process_children(self):
for i in self.children.keys():
if self.children[i]['pipe'].poll():
response = self.children[i]['pipe'].recv()
self.children[i]['parent_pipe'].send(response)
logger.debug(msg("Child ", i, " sending response."))
if self.children[i]['parent_pipe'].poll():
req = self.children[i]['parent_pipe'].recv()
self.children[i]['pipe'].send(req)
logger.debug(msg("Child ", i, " receiving request."))
def run(self):
logger.debug(msg("running."))
self.stop_event_loop()
while True:
self._process_children()
if self.srv_command_pipe.poll():
req = self.srv_command_pipe.recv()
logger.debug(msg("incoming data on command pipe ", req))
if req.message_name == 'create_object':
try:
obj_id = self._create_object(req.object_class, *req.args, **req.kwargs)
response = rpc('created_object')
response.object_id = obj_id
except Exception, e:
logger.warn(msg("Object could not be created, exception thrown: ", e))
response = rpc('created_object')
response.object_id = None
response.exception = e
self.srv_command_pipe.send(response)
elif req.message_name == 'terminate_object':
self._server_terminate_object(req.object_id)
elif req.message_name == 'terminate':
for obj in self.children:
self._server_terminate_object(obj)
response = rpc('terminated')
self.srv_command_pipe.send(response)