Free: Fast X

# create a node node = Node('localhost', 8080) node.start()

def join(self, neighbor_host, neighbor_port): neighbor_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) neighbor_socket.connect((neighbor_host, neighbor_port)) neighbor_socket.sendall(b'JOIN') self.neighbors.append((neighbor_host, neighbor_port))

# create a DHT dht = DHT()

class DHT: def __init__(self): self.nodes = {}

# join the node to the DHT dht.put(hash_file(file_id), node) fast x free

# add a file to the node file_id = 'example.txt' node.files[file_id] = b'Hello, world!'

def put(self, file_id, node): self.nodes[file_id] = node # create a node node = Node('localhost', 8080) node

def start(self): self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.socket.bind((self.host, self.port)) self.socket.listen(5)