def register(meta_ip, meta_port, data_ip, data_port):
"""Creates a connection with the metadata server and
register as data node
"""
# Establish connection
# Create socket and connect to meta data server
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((meta_ip, meta_port))
try:
response = b"NAK"
# Initialize packet
sp = Packet()
while response == b"NAK":
# Create reg packet and send to meta data server
sp.BuildRegPacket(data_ip, data_port)
sock.sendall(sp.getEncodedPacket())
# Recieve response from meta data server
response = sock.recv(1024)
if response == b"DUP":
# If data node already registered
print("Duplicate Registration")
if response == b"NAK":
# If internal Server Error
print("Registratation ERROR")
if response == b"ACK":
# If data node registered successfully
print("Registered succesfully")
finally:
sock.close()
