def start(self): if self.logger_name: self.logger = logging.getLogger(self.logger_name) # noqa else: self.logger = logging.getLogger(self.__class__.__name__) # noqa self.data = {"size_left": 0, "data": b""} # noqa self.tcpSocket = QTcpSocket(self) # noqa self.tcpSocket.setObjectName("qclient_socket") QMetaObject.connectSlotsByName(self) self.tcpSocket.setSocketOption(QAbstractSocket.KeepAliveOption, 1) self.tcpSocket.connectToHost(QHostAddress(self.ip), self.port, QIODevice.ReadWrite) if not self.tcpSocket.waitForConnected(3000): self.failed_to_connect.emit(self.ip, self.port) self.tcpSocket.disconnectFromHost() self.tcpSocket.close() self.logger.error("Failed to connect to {}:{}".format( self.ip, self.port)) return self.close_signal.connect(self.close, Qt.BlockingQueuedConnection) self.write_signal.connect(self._write) self.connect_signal.connect(self._connectTo) self.disconnect_signal.connect(self._disconnect) self.reconnect_signal.connect(self._reconnect)
def __init__(self, *args, **kwargs): super(Client, self).__init__(*args, **kwargs) self.loginWidget = LoginWidget() self.chatWidget = ChatWidget() self.setCentralWidget(self.loginWidget) self.socket = QTcpSocket() self.setupConnections()
def run(self): self.log.debug('Connection id={} is starting'.format(self.conn_id)) def wait_and_read(n_bytes): """ Convenience function that simplifies reading and checking for stop events, etc. Returns a byte string of length n_bytes or None if socket needs to be closed. """ data = b"" while len(data) < n_bytes: if sock.bytesAvailable() == 0: new_data = sock.waitForReadyRead(100) # wait for 100ms between read attempts if not new_data: if sock.state() != sock.ConnectedState or self.need_to_stop(): return None else: continue if self.need_to_stop(): return None new_data = sock.read(n_bytes - len(data)) if type(new_data) != bytes: new_data = new_data.data() data += new_data return data sock = QTcpSocket(None) sock.setSocketDescriptor(self.socketDescriptor) sock.waitForConnected() while True: read_len = wait_and_read(4) if not read_len: break read_len = struct.unpack(">L", read_len)[0] data = wait_and_read(read_len) if not data: break if data.startswith(self.internal_prefix): self.handle_internal_command(data) continue try: logDict = self.deserialize(data) record = LogRecord(logDict) except Exception: self.log.error('Creating log record failed', exc_info=True) continue self.new_record.emit(record) self.log.debug('Connection id={} is stopping'.format(self.conn_id)) sock.disconnectFromHost() sock.close() self.connection_finished.emit(self) self.log.debug('Connection id={} has stopped'.format(self.conn_id))
def run(self) -> None: """Run socket manager.""" self._logger = logging.getLogger(self.__class__.__name__) # noqa self.data = {"size_left": 0, "data": b""} # noqa self.socket = QTcpSocket() # noqa self.socket.setParent(None) # noqa self.socket.setSocketOption(QAbstractSocket.KeepAliveOption, 1) if self.socket.setSocketDescriptor(self.socket_descriptor): # noqa self.socket.readyRead.connect(self.on_message) # noqa self.socket.disconnected.connect(self.on_disconnected) # noqa self.socket.error.connect(self.on_error) # noqa self._logger.debug("CLIENT-{} connected to {}:{}".format(self.get_id(), self.socket.peerAddress().toString(), self.socket.peerPort())) self.connected.emit(self.get_id(), self.socket.peerAddress().toString(), self.socket.peerPort()) self.close_signal.connect(self.close, Qt.BlockingQueuedConnection) self.write.connect(self._write)
def on_connection(self, device_id: int, socket_descriptor: int): """Create new QTcpSocket object and setup connection with client. Args: device_id (int): Socket ID. socket_descriptor (int) Socket descriptor. Note: Emits connected signal. """ socket = QTcpSocket() socket.setParent(None) # noqa if socket.setSocketDescriptor(socket_descriptor): # noqa socket.readyRead.connect(lambda: self.on_message(socket)) # noqa socket.disconnected.connect(lambda: self.on_disconnected(socket)) # noqa socket.error.connect(lambda: self.on_error(socket)) # noqa socket.setObjectName(str(device_id)) self.sockets.append(socket) self.__logger.debug("New connection from CLIENT-{} " "IP: {}:{}".format(socket.objectName(), socket.peerAddress().toString(), socket.peerPort())) self.connected.emit(int(socket.objectName()), socket.peerAddress().toString(), socket.peerPort())