问套接字和recv函数的问题。Python

EN

P.S. DEFAULT_ENCODING = "utf-8"
DEFAULT_CLIENTS_AMOUNT = 5
SERVER_IP = "127.0.0.1"
SERVER_PORT = 8080

class Server:
    def __init__(self, socket_family: int = socket.AF_INET, socket_type: int = socket.SOCK_STREAM, ip_address: str = SERVER_IP, port: int = SERVER_PORT):
        self.addr: Tuple[str, int] = ip_address, port
        self.serv_heart: socket.socket = socket.socket(socket_family, socket_type)
        self.client: Optional[socket.socket] = None

    def _launchSyncServer(self, clients: int = DEFAULT_CLIENTS_AMOUNT):
        print("Starting server...")
        self.serv_heart.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
        self.serv_heart.bind(self.addr)
        self.serv_heart.listen(clients)
        print(f"Server started at {str(self.addr)}")
        print(f"Visible: http://{self.addr[0]}:{self.addr[1]}")

    def _acceptConnections(self):
        client_socket, client_addr = self.serv_heart.accept()
        print(f"Client connected from {str(client_addr)}")
        self.client = client_socket

    def _handleData(self):
        while True:
            rawData: str = self.client.recv(128).decode(DEFAULT_ENCODING)
            if not rawData:
                self.client.close()
                break

            self.client.send("Info/Message was retrieved!".encode(DEFAULT_ENCODING))

        self.client.close()

    def serverLoop(self, clients: int = DEFAULT_CLIENTS_AMOUNT):
        self._launchSyncServer(clients=clients)
        while True:
          self._acceptConnections()
          self._handleData()