def put_async(self, attr_or_items, value=None):
""""puts a value or values into an attribute or attributes and returns
immediately
Args:
attr_or_items (Attribute or Dict): The attribute or dictionary
of {attributes: values} to set
value (object): For single attr, the value set
Returns:
a list of futures to monitor when each put completes"""
if value:
attr_or_items = {attr_or_items: value}
result_f = []
for attr, value in attr_or_items.items():
endpoint = [attr.parent.name, attr.name, "value"]
request = Post(None, self.q, endpoint, value)
f = Future(self)
new_id = self._save_future(f)
request.set_id(new_id)
self.process.q.put(request)
result_f.append(f)
return result_f
def execute(self, args):
self.log_debug("Execute %s method called on [%s] with: %s", self._method, self._block, args)
self.log_debug("Structure: %s", args.getStructureDict())
# Acquire the lock
with self._lock:
# We now need to create the Post message and execute it
endpoint = [self._block, self._method]
request = Post(None, self._server.q, endpoint, self.parse_variants(args.toDict(True)))
request.set_id(self._id)
self._server.process.q.put(request)
# Now wait for the Post reply
self.log_debug("Waiting for reply")
self.wait_for_reply()
self.log_debug("Reply received")
response_dict = OrderedDict()
if isinstance(self._response, Return):
response_dict = self._response["value"]
self.log_debug("Response value : %s", self._response["value"])
elif isinstance(self._response, Error):
response_dict = self._response.to_dict()
response_dict.pop("id")
if not response_dict:
pv_object = pvaccess.PvObject(OrderedDict({}), 'malcolm:core/Map:1.0')
else:
#pv_object = self._server.dict_to_structure(response_dict)
#self.log_debug("Pv Object structure created")
#self.log_debug("%s", self._server.strip_type_id(response_dict))
#pv_object.set(self._server.strip_type_id(response_dict))
pv_object = self._server.dict_to_pv_object(response_dict)
self.log_debug("Pv Object value set: %s", pv_object)
# Add this RPC to the purge list
#self._server.register_dead_rpc(self._id)
return pv_object
def post_async(self, method, params):
"""Asynchronously calls a function on a child block
Returns a list of one future which will proved the return value
on completion"""
endpoint = [method.parent.name, method.name]
request = Post(None, self.q, endpoint, params)
f = Future(self)
new_id = self._save_future(f)
request.set_id(new_id)
self.process.q.put(request)
return [f]
def post_async(self, method, params=None):
"""Asynchronously calls a function on a child block
Returns a list of one future which will proved the return value
on completion"""
assert isinstance(method, MethodMeta), \
"Expected MethodMeta, got %r" % (method,)
endpoint = method.path_relative_to(self.process)
request = Post(None, self.q, endpoint, params)
f = Future(self)
new_id = self._save_future(f)
request.set_id(new_id)
self.process.q.put(request)
return [f]
def test_hello_with_process(self):
sync_factory = SyncFactory("sched")
process = Process("proc", sync_factory)
b = Hello(process, dict(mri="hello"))[0]
process.start()
# wait until block is Ready
task = Task("hello_ready_task", process)
task.when_matches(b["state"], "Ready", timeout=1)
q = sync_factory.create_queue()
req = Post(response_queue=q, context="ClientConnection",
endpoint=["hello", "greet"],
parameters=dict(name="thing"))
req.set_id(44)
process.q.put(req)
resp = q.get(timeout=1)
self.assertEqual(resp.id, 44)
self.assertEqual(resp.context, "ClientConnection")
self.assertEqual(resp.typeid, "malcolm:core/Return:1.0")
self.assertEqual(resp.value["greeting"], "Hello thing")
process.stop()
def execute(self, args):
self.log_debug("Execute %s method called on [%s] with: %s", self._method, self._block, args)
self.log_debug("Structure: %s", args.getStructureDict())
# Acquire the lock
with self._lock:
try:
# We now need to create the Post message and execute it
endpoint = [self._block, self._method]
request = Post(None, self._server.q, endpoint, self.parse_variants(args.toDict(True)))
request.set_id(self._id)
self._server.process.q.put(request)
# Now wait for the Post reply
self.log_debug("Waiting for reply")
self.wait_for_reply(timeout=None)
self.log_debug("Reply received %s %s", type(self._response), self._response)
response_dict = OrderedDict()
if isinstance(self._response, Return):
response_dict = self._response["value"]
self.log_debug("Response value : %s", response_dict)
elif isinstance(self._response, Error):
response_dict = self._response.to_dict()
response_dict.pop("id")
if not response_dict:
pv_object = pvaccess.PvObject(OrderedDict(), 'malcolm:core/Map:1.0')
else:
#pv_object = self._server.dict_to_structure(response_dict)
#self.log_debug("Pv Object structure created")
#self.log_debug("%s", self._server.strip_type_id(response_dict))
#pv_object.set(self._server.strip_type_id(response_dict))
pv_object = self._server.dict_to_pv_object(response_dict)
self.log_debug("Pv Object value set: %s", pv_object)
# Add this RPC to the purge list
#self._server.register_dead_rpc(self._id)
return pv_object
except Exception:
self.log_exception("Request %s failed", self._request)
