def perform_put(self, *data):
dict = data[0]
key = dict.key
preference_list = self.hash_ring.get_node(key, self.failed_nodes)
if (self not in preference_list):
coordinator = preference_list[0].id
dict = Request("FORWARD-PUT", dict.key, dict.value,
generate_random_number(), dict.client)
Messaging.send_message(self, coordinator, dict)
time.sleep(3)
if REQUESTS.get(dict.request, False) != True:
#print("Timedout PUT")
dict.action = "PUT"
dict.request = generate_random_number()
self.socket.settimeout(None)
self.failed_nodes.append(coordinator)
self.perform_put(dict)
else:
self.vector_clock.update(self.id, self.get_sequence_no())
metadata = deepcopy(self.vector_clock)
if dict.value[1] > metadata:
metadata = dict.value[1]
dict.value = (dict.value[0], metadata)
dict.request = generate_random_number()
Messaging.broadcast_put(self, preference_list, dict)
def perform_get(self, dict):
key = dict.key
preference_list = self.hash_ring.get_node(key, self.failed_nodes)
if (self not in preference_list):
coordinator = preference_list[0].id
dict = Request("FORWARD-GET", dict.key, dict.value,
generate_random_number(), dict.client)
Messaging.send_message(self, coordinator, dict)
time.sleep(3)
if REQUESTS.get(dict.request, False) != True:
#print("Timedout GET")
dict.action = "GET"
dict.request = generate_random_number()
self.failed_nodes.append(coordinator)
self.perform_get(dict)
else:
dict.request = generate_random_number()
Messaging.broadcast_get(self, preference_list, dict)
