Python socket.SO_REUSEADDR Examples

def __init__(self, eventHandler):
        threading.Thread.__init__(self)
        self.name = 'Server'
        self.daemon = True
        self._eventHandler = eventHandler

        self._client = None
        self._server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self._server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

        try:
            self._server.bind(('', PORT))
            self._server.listen(5)
        except socket.error:
            event = Event(Events.SCAN_ERROR, msg='Could not start server')
            post_event(eventHandler, event)
            return

        self._cancel = False
        self.start() 

def _create_ipv4_sockets(loopback_enabled):
    # Open a multicast send socket, with IP_MULTICAST_LOOP enabled or disabled as requested.
    mcast_address = "224.0.1.195"
    port = 49501
    group = (mcast_address, port)
    txsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    txsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    if loopback_enabled:
        txsock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 1)
    else:
        txsock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 0)
    txsock.connect(group)
    # Open a multicast receive socket and join the group
    rxsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    req = struct.pack("=4sl", socket.inet_aton(mcast_address), socket.INADDR_ANY)
    rxsock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, req)
    rxsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    rxsock.bind(group)
    return (txsock, rxsock) 

def acceptThread(parameters):
    acceptor = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    acceptor.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    acceptor.bind(('', int(parameters['listenPort'])))
    acceptor.listen(5)
    cur_thread = threading.current_thread()
    logger.info("Listening to connections on port " + str(parameters['listenPort']) + '\n')

    while True:
        (clientSock, clientAddr) = acceptor.accept()
        print "==== Output Request ====="
        msg = "Connected to " + str(clientAddr[0]) + ":" + str(clientAddr[1])
        logger.info(msg)
        thread3 = threading.Thread(target=sendFile, args=(clientSock, parameters))
        thread3.daemon = True
        thread3.start()
    acceptor.close()
    return 

def addListener(self, addr, port, service):
        if self.isBroadcast(addr):
            self.etherAddrs[addr] = self.broadcastIpToMac(addr)
        elif self.isMulticast(addr):
            self.etherAddrs[addr] = self.multicastIpToMac(addr)
        else:
            # unicast -- we don't know yet which IP we'll want to send to
            self.etherAddrs[addr] = None

        # Set up the receiving socket and corresponding IP and interface information.
        # One receiving socket is required per multicast address.
        rx = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_UDP)
        rx.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

        for interface in self.interfaces:
            (ifname, mac, ip, netmask) = self.getInterface(interface)

            # Add this interface to the receiving socket's list.
            if self.isBroadcast(addr):
                rx.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
            elif self.isMulticast(addr):
                packedAddress = struct.pack('4s4s', socket.inet_aton(addr), socket.inet_aton(ip))
                rx.setsockopt(socket.SOL_IP, socket.IP_ADD_MEMBERSHIP, packedAddress)

            # Generate a transmitter socket. Each interface
            # requires its own transmitting socket.
            if interface not in self.noTransmitInterfaces:
                tx = socket.socket(socket.AF_PACKET, socket.SOCK_RAW)
                tx.bind((ifname, 0))

                self.transmitters.append({'relay': {'addr': addr, 'port': port}, 'interface': ifname, 'addr': ip, 'mac': mac, 'netmask': netmask, 'socket': tx, 'service': service})

        rx.bind((addr, port))
        self.receivers.append(rx) 

def serve(self):
		server_socket = None
		try:
			common.internal_print("Starting module: {0} on {1}:{2}".format(self.get_module_name(), self.config.get("Global", "serverbind"), int(self.config.get(self.get_module_configname(), "serverport"))))
		
			server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
			server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
			whereto = (self.config.get("Global", "serverbind"), int(self.config.get(self.get_module_configname(), "serverport")))
			server_socket.bind(whereto)
			self.comms_socket = server_socket
			self.serverorclient = 1
			self.authenticated = False

			self.communication_initialization()
			self.communication(False) 
			
		except KeyboardInterrupt:

			self.cleanup()
			return

		self.cleanup()

		return 

def make_socket_proxy(ip, port, send_callback=None, recv_callback=None):
    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    server.bind(('', 8080))
    server.listen(1)
    t = threading.Thread(
        target=listen,
        args=(server, ip, port, send_callback, recv_callback)
    )
    t.start()
    sock = socket.create_connection(('localhost', 8080))
    sock.settimeout(1)
    t.join()
    with _socket_lock:
        data = _sockets[t.ident]
        return (sock, data['lsock'], data['rsock'], server) 

def acceptThread():       
    acceptor = socket.socket(socket.AF_INET, socket.SOCK_STREAM)        
    acceptor.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    acceptor.bind(('', int(uploadPort)))
    acceptor.listen(5)
        
    cur_thread=threading.current_thread()
    while True:            
        (clientSock,clientAddr)=acceptor.accept()
        print "====Output Request:"
        msg = "Connected to " + str(clientAddr[0]) + ":" + str(clientAddr[1])
        print msg
        thread3=threading.Thread(target=sendFile(clientSock))
        thread3.daemon=True
        thread3.start()
        #thread3.join()            
    acceptor.close()
    return 

def __launch_key_request_process(self):
        """
        Pick an unused port and start a TCP server. MATLAB will send callback
        requests through this socket.
        :return: port
        """
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.sock.bind(('localhost', 0))
        _, self.key_handler_port = self.sock.getsockname()

        self.key_handler_queue = multiprocessing.Queue()
        self.key_handler = multiprocessing.Process(
            target=self.__key_request_handler,
            args=(self.sock,
                  [self.command_window_id,
                   self.editor_window_id,
                   self.vim_window_id],
                  self.key_handler_queue)
        )
        self.key_handler.start()
        self.key_handler_queue.get(True, 5)
        return self.key_handler_port 

def run(self):
        try:
            logger.info('Starting server on port %d' % self.port)
            self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
            self.socket.bind((self.hostname, self.port))
            self.socket.listen(self.backlog)
            while True:
                conn, addr = self.socket.accept()
                logger.debug('Accepted connection %r at address %r' % (conn, addr))
                client = Client(conn, addr)
                self.handle(client)
        except Exception as e:
            logger.exception('Exception while running the server %r' % e)
        finally:
            logger.info('Closing server socket')
            self.socket.close() 

def bind_socket(host: str, port: int, *, backlog=100) -> socket.socket:
    """Create TCP server socket.
    :param host: IPv4, IPv6 or hostname may be specified
    :param port: TCP port number
    :param backlog: Maximum number of connections to queue
    :return: socket.socket object
    """
    try:  # IP address: family must be specified for IPv6 at least
        ip = ip_address(host)
        host = str(ip)
        sock = socket.socket(
            socket.AF_INET6 if ip.version == 6 else socket.AF_INET
        )
    except ValueError:  # Hostname, may become AF_INET or AF_INET6
        sock = socket.socket()
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    sock.bind((host, port))
    sock.listen(backlog)
    return sock 

def __init__(self, device, baud=None, input=True, broadcast=False, source_system=255, source_component=0, use_native=mavutil.default_native):
        self._logger = logging.getLogger(__name__)
        a = device.split(':')
        if len(a) != 2:
            self._logger.critical("UDP ports must be specified as host:port")
            sys.exit(1)
        self.port = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        self.udp_server = input
        self.broadcast = False
        self.addresses = set()
        if input:
            self.port.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
            self.port.bind((a[0], int(a[1])))
        else:
            self.destination_addr = (a[0], int(a[1]))
            if broadcast:
                self.port.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
                self.broadcast = True
        mavutil.set_close_on_exec(self.port.fileno())
        self.port.setblocking(False)
        mavutil.mavfile.__init__(self, self.port.fileno(), device, source_system=source_system, source_component=source_component, input=input, use_native=use_native) 

def Create(asyncSocketsPool, srvAddr, srvBacklog=256, bufSlots=None) :
        try :
            srvSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        except :
            raise XAsyncTCPServerException('Create : Cannot open socket (no enought memory).')
        try :
            srvSocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
            srvSocket.bind(srvAddr)
            srvSocket.listen(srvBacklog)
        except :
            raise XAsyncTCPServerException('Create : Error to binding the TCP server on this address.')
        if not bufSlots :
            bufSlots = XBufferSlots(256, 4096, keepAlloc=True)
        xAsyncTCPServer = XAsyncTCPServer( asyncSocketsPool,
                                           srvSocket,
                                           srvAddr,
                                           bufSlots )
        asyncSocketsPool.NotifyNextReadyForReading(xAsyncTCPServer, True)
        return xAsyncTCPServer

    # ------------------------------------------------------------------------ 

def test_timeout_empty():
    # Create a dummy server.
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    s.bind(('127.0.0.1', 5760))
    s.listen(1)

    try:
        # Connect with timeout of 10s.
        vehicle = connect('tcp:127.0.0.1:5760', wait_ready=True, heartbeat_timeout=20)

        vehicle.close()

        # Should not pass
        assert False
    except:
        pass 

def start_server(port):
    # Start the server
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    server_socket.bind(('', port))
    server_socket.listen(128)  # Maximum connections Mac OSX can handle.

    status_messages.append(MESSAGE_INFO + "Successfully started the server on port {0}.".format(str(port)))
    status_messages.append(MESSAGE_INFO + "Waiting for clients...")

    while True:
        client_connection, client_address = ssl.wrap_socket(server_socket, cert_reqs=ssl.CERT_NONE, server_side=True, keyfile="server.key", certfile="server.crt").accept()

        status_messages.append(MESSAGE_INFO + "New client connected!")
        connections.append(client_connection) 

def build_socket(self):
        """
        Generate either an HTTPS or HTTP socket
        """
        try:
            self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            self.sock.settimeout(self.SOCKET_TIMEOUT)
            self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
            # Check if TLS
            if self.request_object.protocol == 'https':
                self.sock = ssl.wrap_socket(self.sock, ciphers=self.CIPHERS)
            self.sock.connect(
                (self.request_object.dest_addr, self.request_object.port))
        except socket.error as msg:
            raise errors.TestError(
                'Failed to connect to server',
                {
                    'host': self.request_object.dest_addr,
                    'port': self.request_object.port,
                    'proto': self.request_object.protocol,
                    'message': msg,
                    'function': 'http.HttpUA.build_socket'
                }) 

def _create_ipv6_sockets(loopback_enabled):
    # Open a multicast send socket, with IP_MULTICAST_LOOP enabled or disabled as requested.
    intf_name = find_ethernet_interface()
    intf_index = socket.if_nametoindex(intf_name)
    mcast_address = "ff02::abcd:99"
    port = 30000
    group = (mcast_address, port)
    txsock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    txsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    txsock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, intf_index)
    if loopback_enabled:
        txsock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, 1)
    else:
        txsock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, 0)
    txsock.connect(group)
    # Open a multicast receive socket and join the group
    rxsock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    req = struct.pack("=16si", socket.inet_pton(socket.AF_INET6, mcast_address), intf_index)
    if platform.system() == "Darwin":
        rxsock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, req)
    else:
        rxsock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_ADD_MEMBERSHIP, req)
    rxsock.bind(("::", port))
    return (txsock, rxsock) 

def prepare_server_socket(self):
        """Create, configure and start server-listening socket"""
        self.server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        svr_addr = (self.host, self.port)
        self.server_sock.bind(svr_addr)
        self.server_sock.setblocking(1)
        self.server_sock.listen(1)
        self.logger.debug("listening on %s:%s" % svr_addr) 

def run():
    """Run the trigger"""
    # send a test event

    BUFF = 4096
    interval = 10
    protocol = 'http'
    endpoint = '0.0.0.0'
    tcp_port = 8080

    host = protocol + "://" + endpoint + ":" + str(tcp_port)
    print('Listening on', host)

    # Open socket server to listen for messages
    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    server.bind((endpoint, tcp_port))
    server.listen(5)

    while True:
      conn, addr = server.accept()
      print(conn, addr)
      recv_data = conn.recv(BUFF)
      print(recv_data)
      conn.sendall(recv_data)
      conn.close()

      # Handler receiving data
      handler_data(recv_data.decode('utf-8'))
      time.sleep(interval) 

def start_server(path: str, host: str, port: int, terminated: threading.Event):
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server_socket.settimeout(1)
    server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
    server_socket.bind((host, port))
    server_socket.listen(1)
    stub_cls = type('StubSFTPServer', (StubSFTPServer,), {'ROOT': path})
    host_key = RSAKey.generate(1024)

    def accept(server_socket, mask):
        conn, addr = server_socket.accept()
        transport = Transport(conn)
        transport.add_server_key(host_key)
        transport.set_subsystem_handler('sftp', SFTPServer, stub_cls)
        server = StubServer(path)
        transport.start_server(server=server)
        while not terminated.is_set():
            channel = transport.accept(1)
            if channel is not None and not terminated.is_set():
                while transport.is_active() and not terminated.is_set():
                    terminated.wait(1)
                break

    sel = selectors.DefaultSelector()
    sel.register(server_socket, selectors.EVENT_READ, accept)
    last_used = time.time()
    while not terminated.is_set() and last_used + 10 > time.time():
        events = sel.select(1)
        for key, mask in events:
            key.data(key.fileobj, mask)
            last_used = time.time() 

def _search(self, host, ssdp_ttl, ssdp_mx, ssdp_amount):
        logger.debug('Binding socket to "{}" ...'.format(host or ''))
        sock = socket.socket(
            socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        sock.settimeout(ssdp_mx)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(
            socket.IPPROTO_IP,
            socket.IP_MULTICAST_TTL,
            ssdp_ttl)
        sock.bind((host, self.MSEARCH_PORT))

        for i in range(1, ssdp_amount + 1):
            t = threading.Timer(
                float(i) / 2, self._send_discover, args=[sock, ssdp_mx])
            t.start()

        while True:
            try:
                header, address = sock.recvfrom(self.BUFFER_SIZE)
                if self.cb_on_device_response:
                    guess = chardet.detect(header)
                    header = header.decode(guess['encoding'])
                    header = pulseaudio_dlna.plugins.dlna.ssdp._get_header_map(
                        header)
                    self.cb_on_device_response(header, address)
            except socket.timeout:
                break
        sock.close() 

def startServer():
    database.beginDataBaseConnection()
    database.initDatabase()
    server_address = (settings.server_location, int(settings.server_port))
    print('Starting server on %s port %s' % server_address)
    socket.setsockopt(pythonsocket.SOL_SOCKET, pythonsocket.SO_REUSEADDR, 1)
    socket.settimeout(None)
    socket.bind(server_address)
    socket.listen(5)
    socket.settimeout(None)
    thread = Thread(target=waitConnect)
    thread.start()
    servertick = Thread(target=serverTick)
    servertick.start() 

def server_bind(self):
        sock = self.socket
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, True)
        self.RequestHandlerClass.bufsize = sock.getsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF)
        SocketServer.TCPServer.server_bind(self) 

def __init__(self, address, bufsize=0x1000, receive=None, **kwds):
        super().__init__(**kwds)
        self.address = address
        self.bufsize = bufsize
        self.receive = receive or self.receive
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.socket.bind(self.address) 

def start_ping_sim_server(server_address, ping_ip):
    """Run server simulating ping command output, this is one-shot server"""
    _, server_port = server_address
    logger = logging.getLogger('threaded.ping.tcp-server({})'.format(server_port))
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    server_socket.bind(server_address)
    server_socket.listen(1)
    logger.debug("Ping Sim started at tcp://{}:{}".format(*server_address))
    done_event = threading.Event()
    server_thread = threading.Thread(target=server_loop,
                                     args=(server_port, server_socket, ping_ip,
                                           done_event))
    server_thread.start()
    return server_thread, done_event 

def _server_discovery(self):
        
        MULTI_GROUP = ("<broadcast>", 7359)
        MESSAGE = "who is EmbyServer?"
        sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        sock.settimeout(1.0) # This controls the socket.timeout exception
        sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 20)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
        sock.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_LOOP, 1)
        sock.setsockopt(socket.IPPROTO_IP, socket.SO_REUSEADDR, 1)
        
        LOG.debug("MultiGroup      : %s", str(MULTI_GROUP))
        LOG.debug("Sending UDP Data: %s", MESSAGE)
        servers = []

        try:
            sock.sendto(MESSAGE, MULTI_GROUP)
        except Exception as error:
            LOG.error(error)

            return servers

        while True:
            try:
                data, addr = sock.recvfrom(1024) # buffer size
                servers.append(json.loads(data))
            
            except socket.timeout:
                LOG.info("Found Servers: %s", servers)

                return servers
            
            except Exception as e:
                LOG.error("Error trying to find servers: %s", e)

                return servers 

def find_two_open_ports():
    with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s1:
        s1.bind(('', 0))
        s1.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

        with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s2:
            s2.bind(('', 0))
            s2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

            return s1.getsockname()[1], s2.getsockname()[1] 

def main():
  server = gsocket(socket.AF_INET, socket.SOCK_STREAM)
  server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
  server.bind(("0.0.0.0", 8080))  
  server.listen(5)

  while True:
    conn, addr = server.accept()
    print "[  INFO  ] New connection: %s:%i" % addr

    th = Handler(conn, addr)
    th.daemon = False
    th.start() 

def main():
  while True:

    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
      s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
      s.bind((HOST, PORT))
      s.listen(16)
      conn, addr = s.accept()

      try:
        p = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        p.connect((DST_HOST, DST_PORT))
      except ConnectionError:
        print("Failed to connect to wordpress")
        conn.shutdown(socket.SHUT_RDWR)
        continue

      p.settimeout(1)
      conn.settimeout(1)

      end = threading.Event()

      rth = threading.Thread(target=recv_thread, args=(conn, p, end), daemon=True)
      sth = threading.Thread(target=send_thread, args=(conn, p, end, rth), daemon=True)

      rth.start()
      sth.start() 

def handle(self):
    self.request.sendall(b"220 Livestream FTP Server.\r\n")
    self.request.settimeout(60)

    self.end_connection = False
    self.data_s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    self.data_s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    self.data_s.bind(("0.0.0.0", 0))
    self.data_s.listen(1)
    self.data_port = self.data_s.getsockname()[1]

    self.cwd = []
    methods = {}
    self.files = {
      "<h1>asdgf<u>xyz": b"<h1>asdfg<u>asdgf<script>alert(document.domain)</script>",
      "asdg\\..\\xyz": b"\0\1\2\3\4\xff" * 1234,
      "dir": {
        "abc": b"abc"
      }
    }

    for method_name in dir(self):
      if method_name.startswith("handle_"):
        cmd = method_name.replace("handle_", "")
        methods[cmd] = getattr(self, method_name)

    while not self.end_connection:
      ln = str(recvuntil(self.request, b"\r\n", 4096), 'utf-8').strip()
      print(ln)
      command, args = (ln.split(" ", 1) + [""])[:2]
      if command in methods:
        methods[command](args)
        continue
      else:
        print("---> command unknown: %s" % command)



      break 

def handle(self):
    self.request.sendall(b"220 Livestream FTP Server.\r\n")
    self.request.settimeout(60)

    self.end_connection = False
    self.data_s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    self.data_s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    self.data_s.bind(("0.0.0.0", 0))
    self.data_s.listen(1)
    self.data_port = self.data_s.getsockname()[1]

    self.cwd = []
    methods = {}
    self.files = {
      "<h1>asdgf<u>xyz": b"<h1>asdfg<u>asdgf",
      "dir": {
        "abc": b"abc"
      }
    }

    for method_name in dir(self):
      if method_name.startswith("handle_"):
        cmd = method_name.replace("handle_", "")
        methods[cmd] = getattr(self, method_name)

    while not self.end_connection:
      ln = str(recvuntil(self.request, b"\r\n", 4096), 'utf-8').strip()
      print(ln)
      command, args = (ln.split(" ", 1) + [""])[:2]
      if command in methods:
        methods[command](args)
        continue

      break