class TcpDevice(DataDevice):
'''
classdocs
'''
def __init__(self, params={}, parent=None):
'''
Constructor
'''
super(TcpDevice, self).__init__(params, parent)
self.iodevice = QTcpSocket()
self.reconnect = int(params.get('Reconnect', 1000))
self.host = params.get('Host', None)
self.port = int(params.get('Port', 2000))
self.gpsdInit = bool(params.get('GpsdInit', False))
self.iodevice.readyRead.connect(self.readyRead)
self.iodevice.error.connect(self.socketError)
self.iodevice.connected.connect(self.socketConnected)
self.iodevice.disconnected.connect(self.socketDisconnected)
@pyqtSlot(QAbstractSocket.SocketError)
def socketError(self, error):
if self.iodevice.state() != QAbstractSocket.BoundState:
if self.reconnect > 0:
QTimer.singleShot(self.reconnect, self.onReconnectTimer)
def connectDevice(self):
self.iodevice.connectToHost(self.host, self.port)
def disconnectDevice(self):
if self.iodevice.state() is QAbstractSocket.ConnectedState:
self.iodevice.disconnectFromHost()
def readData(self):
size = self.iodevice.bytesAvailable()
data = self.iodevice.read(size)
return data
def readLine(self):
if self.iodevice.canReadLine():
return str(self.iodevice.readLine())
return ''
@pyqtSlot()
def socketConnected(self):
self.deviceConnected.emit(True)
if self.gpsdInit:
self.iodevice.writeData('?WATCH={"class":"WATCH","nmea":true}')
@pyqtSlot()
def socketDisconnected(self):
self.deviceDisconnected.emit(True)
