def on_error(self, conn: QTcpSocket):
"""Handle socket errors.
Args:
conn (QTcpSocket): Socket object.
Note:
Emits error signal.
"""
device_id = int(conn.objectName())
e = conn.errorString()
self.__logger.error("CLIENT-{} Error: {}".format(device_id, e))
self.error.emit(device_id, str(e))
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())