def __init__(self, parent=None):
super(RemoteControl, self).__init__(parent)
# set up zmq and model
self._zctx = zmq.Context()
self._model = RemoteRecorder(self._zctx)
# setup a timer to check for incoming messages
self._timer = QtCore.QTimer(self)
self._timer.timeout.connect(self._refresh_model_status)
self._timer.start(33)
# setup a timer to ping for connection
self._ping_period = 2000
self._ping = QtCore.QTimer(self)
self._ping.timeout.connect(self._ping_model)
self._ping.start(self._ping_period)
self.setWindowTitle('Remote Control')
layout = QtGui.QVBoxLayout()
self._remote_address = QtGui.QLineEdit(self._model.remote_address)
layout.addWidget(self._remote_address)
self._ctrl_port = QtGui.QLineEdit(str(self._model.ctrl_port))
layout.addWidget(self._ctrl_port)
self._status_port = QtGui.QLineEdit(str(self._model.status_port))
layout.addWidget(self._status_port)
self._connected = QtGui.QCheckBox('connected?')
layout.addWidget(self._connected)
self._connect = QtGui.QPushButton('Connect')
self._connect.clicked.connect(self._connect_model)
layout.addWidget(self._connect)
self._disconnect = QtGui.QPushButton('Disconnect')
self._disconnect.clicked.connect(self._model.disconnect)
layout.addWidget(self._disconnect)
self._record = QtGui.QPushButton('Record')
self._record.clicked.connect(self._model.run)
layout.addWidget(self._record)
self._stop = QtGui.QPushButton('Stop')
self._stop.clicked.connect(self._model.stop)
layout.addWidget(self._stop)
self._pause = QtGui.QPushButton('Pause')
self._pause.clicked.connect(self._model.pause)
layout.addWidget(self._pause)
self._unpause = QtGui.QPushButton('Unpause')
self._unpause.clicked.connect(self._model.unpause)
layout.addWidget(self._unpause)
self._shutdown = QtGui.QPushButton('Shutdown')
self._shutdown.clicked.connect(self._model.shutdown)
layout.addWidget(self._shutdown)
self._running = QtGui.QCheckBox('running?')
layout.addWidget(self._running)
self._paused = QtGui.QCheckBox('paused?')
layout.addWidget(self._paused)
self._has_crashed = QtGui.QCheckBox('has crashed?')
layout.addWidget(self._has_crashed)
self._responding = QtGui.QCheckBox('responding?')
layout.addWidget(self._responding)
self.setLayout(layout)
self.show()
class RemoteControl(QtGui.QWidget):
def __init__(self, parent=None):
super(RemoteControl, self).__init__(parent)
# set up zmq and model
self._zctx = zmq.Context()
self._model = RemoteRecorder(self._zctx)
# setup a timer to check for incoming messages
self._timer = QtCore.QTimer(self)
self._timer.timeout.connect(self._refresh_model_status)
self._timer.start(33)
# setup a timer to ping for connection
self._ping_period = 2000
self._ping = QtCore.QTimer(self)
self._ping.timeout.connect(self._ping_model)
self._ping.start(self._ping_period)
self.setWindowTitle('Remote Control')
layout = QtGui.QVBoxLayout()
self._remote_address = QtGui.QLineEdit(self._model.remote_address)
layout.addWidget(self._remote_address)
self._ctrl_port = QtGui.QLineEdit(str(self._model.ctrl_port))
layout.addWidget(self._ctrl_port)
self._status_port = QtGui.QLineEdit(str(self._model.status_port))
layout.addWidget(self._status_port)
self._connected = QtGui.QCheckBox('connected?')
layout.addWidget(self._connected)
self._connect = QtGui.QPushButton('Connect')
self._connect.clicked.connect(self._connect_model)
layout.addWidget(self._connect)
self._disconnect = QtGui.QPushButton('Disconnect')
self._disconnect.clicked.connect(self._model.disconnect)
layout.addWidget(self._disconnect)
self._record = QtGui.QPushButton('Record')
self._record.clicked.connect(self._model.run)
layout.addWidget(self._record)
self._stop = QtGui.QPushButton('Stop')
self._stop.clicked.connect(self._model.stop)
layout.addWidget(self._stop)
self._pause = QtGui.QPushButton('Pause')
self._pause.clicked.connect(self._model.pause)
layout.addWidget(self._pause)
self._unpause = QtGui.QPushButton('Unpause')
self._unpause.clicked.connect(self._model.unpause)
layout.addWidget(self._unpause)
self._shutdown = QtGui.QPushButton('Shutdown')
self._shutdown.clicked.connect(self._model.shutdown)
layout.addWidget(self._shutdown)
self._running = QtGui.QCheckBox('running?')
layout.addWidget(self._running)
self._paused = QtGui.QCheckBox('paused?')
layout.addWidget(self._paused)
self._has_crashed = QtGui.QCheckBox('has crashed?')
layout.addWidget(self._has_crashed)
self._responding = QtGui.QCheckBox('responding?')
layout.addWidget(self._responding)
self.setLayout(layout)
self.show()
def _refresh_model_status(self):
self._connected.setChecked(self._model.connected)
if self._model.refresh_status():
# update view
self._running.setChecked(self._model.running)
self._paused.setChecked(self._model.paused)
self._has_crashed.setChecked(self._model.has_crashed)
# mark as responding
self._responding.setChecked(True)
def _ping_model(self):
# request explicit status message
logging.debug('pinging..')
self._model.ping()
# check when the last status message has been recved
logging.debug('status recved before %.2f sec.', \
self._model.status_before)
thresh_factor = 1.5
status_before_msec = 1e3*self._model.status_before
is_responding = status_before_msec < thresh_factor * self._ping_period
self._responding.setChecked(is_responding)
def _connect_model(self):
self._model.remote_address = self._remote_address.text()
self._model.ctrl_port = int(self._ctrl_port.text())
self._model.status_port = int(self._status_port.text())
self._model.connect()
