def process(udp_clients):
client_ring = NodeRing(udp_clients)
hash_codes = set()
# PUT all users.
for u in USERS:
data_bytes, key = serialize_PUT(u)
response = client_ring.get_hrw_node(key).send(data_bytes)
print(response)
hash_codes.add(str(response.decode()))
print(
f"Number of Users={len(USERS)}\nNumber of Users Cached={len(hash_codes)}"
)
# GET all users.
for hc in hash_codes:
print(hc)
data_bytes, key = serialize_GET(hc)
response = client_ring.get_hrw_node(key).send(data_bytes)
print(response)
def get_users(hc):
myOb = NodeRing(NODES)
data_bytes, key = serialize_GET(hc)
# print(f'In GET {data_bytes},{key}')
if bf.is_member(key):
print("Data found in bloom filter")
node = myOb.get_hrw_node(key)
response = UDPClient(node['host'], node['port']).send(data_bytes)
# print(f'{response} from server')
else:
print("Data not in bloom filter and probably not in server")
def delete_users(hc):
myOb = NodeRing(NODES)
data_bytes, key = serialize_DELETE(hc)
node = myOb.get_hrw_node(key)
if bf.is_member(key):
response = UDPClient(node['host'], node['port']).send(data_bytes)
if (response.decode() == 'Success'):
print('Deleted Succesfully')
bf.delete(key)
else:
print("Data not in bloom filter and probably not in server")
def post_users():
hash_codes = set()
myOb = NodeRing(NODES)
# PUT all users.
for u in USERS:
data_bytes, key = serialize_PUT(u)
# TODO: PART II - Instead of going to server 0, use Naive hashing to split data into multiple servers
node = myOb.get_hrw_node(key)
print(f'sending data to port {(node)}')
response = UDPClient(node['host'], node['port']).send(data_bytes)
hash_codes.add(response)
bf.add(response)
print(f'Hash codes for all users: {hash_codes} {len(hash_codes)}')
return hash_codes
