From 51948a6d9ee78929b72b0affdbfce36e65e073c2 Mon Sep 17 00:00:00 2001 From: Kali Kaneko Date: Thu, 19 Sep 2013 15:49:30 -0400 Subject: State Machine Builder and eip connection machine This implements an abstract definition of a LEAP state machine, and refactors eip connections to use it. --- src/leap/bitmask/gui/statuspanel.py | 162 +++++++++++++----------------------- 1 file changed, 59 insertions(+), 103 deletions(-) (limited to 'src/leap/bitmask/gui/statuspanel.py') diff --git a/src/leap/bitmask/gui/statuspanel.py b/src/leap/bitmask/gui/statuspanel.py index 39a8079f..679f00b1 100644 --- a/src/leap/bitmask/gui/statuspanel.py +++ b/src/leap/bitmask/gui/statuspanel.py @@ -14,7 +14,6 @@ # # You should have received a copy of the GNU General Public License # along with this program. If not, see . - """ Status Panel widget implementation """ @@ -25,9 +24,10 @@ from functools import partial from PySide import QtCore, QtGui +from leap.bitmask.services.eip.connection import EIPConnection from leap.bitmask.services.eip.vpnprocess import VPNManager from leap.bitmask.platform_init import IS_WIN, IS_LINUX -from leap.bitmask.util import first +from leap.bitmask.util.averages import RateMovingAverage from leap.common.check import leap_assert, leap_assert_type from leap.common.events import register from leap.common.events import events_pb2 as proto @@ -37,83 +37,10 @@ from ui_statuspanel import Ui_StatusPanel logger = logging.getLogger(__name__) -class RateMovingAverage(object): - """ - Moving window average for calculating - upload and download rates. - """ - SAMPLE_SIZE = 5 - - def __init__(self): - """ - Initializes an empty array of fixed size - """ - self.reset() - - def reset(self): - self._data = [None for i in xrange(self.SAMPLE_SIZE)] - - def append(self, x): - """ - Appends a new data point to the collection. - - :param x: A tuple containing timestamp and traffic points - in the form (timestamp, traffic) - :type x: tuple - """ - self._data.pop(0) - self._data.append(x) - - def get(self): - """ - Gets the collection. - """ - return self._data - - def get_average(self): - """ - Gets the moving average. - """ - data = filter(None, self.get()) - traff = [traffic for (ts, traffic) in data] - times = [ts for (ts, traffic) in data] - - try: - deltatraffic = traff[-1] - first(traff) - deltat = (times[-1] - first(times)).seconds - except IndexError: - deltatraffic = 0 - deltat = 0 - - try: - rate = float(deltatraffic) / float(deltat) / 1024 - except ZeroDivisionError: - rate = 0 - - # In some cases we get negative rates - if rate < 0: - rate = 0 - - return rate - - def get_total(self): - """ - Gets the total accumulated throughput. - """ - try: - return self._data[-1][1] / 1024 - except TypeError: - return 0 - - class StatusPanelWidget(QtGui.QWidget): """ Status widget that displays the current state of the LEAP services """ - - start_eip = QtCore.Signal() - stop_eip = QtCore.Signal() - DISPLAY_TRAFFIC_RATES = True RATE_STR = "%14.2f KB/s" TOTAL_STR = "%14.2f Kb" @@ -121,6 +48,7 @@ class StatusPanelWidget(QtGui.QWidget): MAIL_OFF_ICON = ":/images/mail-unlocked.png" MAIL_ON_ICON = ":/images/mail-locked.png" + eip_connection_connected = QtCore.Signal() _soledad_event = QtCore.Signal(object) _smtp_event = QtCore.Signal(object) _imap_event = QtCore.Signal(object) @@ -135,9 +63,7 @@ class StatusPanelWidget(QtGui.QWidget): self.ui = Ui_StatusPanel() self.ui.setupUi(self) - self.ui.btnEipStartStop.setEnabled(False) - self.ui.btnEipStartStop.clicked.connect( - self.start_eip) + self.eipconnection = EIPConnection() self.hide_status_box() @@ -330,6 +256,8 @@ class StatusPanelWidget(QtGui.QWidget): self.CONNECTED_ICON_TRAY = QtGui.QPixmap(EIP_ICONS_TRAY[1]) self.ERROR_ICON_TRAY = QtGui.QPixmap(EIP_ICONS_TRAY[2]) + # Systray and actions + def set_systray(self, systray): """ Sets the systray object to use. @@ -401,6 +329,25 @@ class StatusPanelWidget(QtGui.QWidget): """ self.ui.globalStatusBox.hide() + # EIP status --- + + @property + def eip_button(self): + return self.ui.btnEipStartStop + + @property + def eip_label(self): + return self.ui.lblEIPStatus + + def eip_pre_up(self): + """ + Triggered when the app activates eip. + Hides the status box and disables the start/stop button. + """ + self.hide_status_box() + self.set_startstop_enabled(False) + + # XXX disable (later) -------------------------- def set_eip_status(self, status, error=False): """ Sets the status label at the VPN stage to status @@ -420,6 +367,7 @@ class StatusPanelWidget(QtGui.QWidget): self.ui.lblEIPStatus.setText(status) self._update_systray_tooltip() + # XXX disable --------------------------------- def set_startstop_enabled(self, value): """ Enable or disable btnEipStartStop and _action_eip_startstop @@ -432,14 +380,7 @@ class StatusPanelWidget(QtGui.QWidget): self.ui.btnEipStartStop.setEnabled(value) self._action_eip_startstop.setEnabled(value) - def eip_pre_up(self): - """ - Triggered when the app activates eip. - Hides the status box and disables the start/stop button. - """ - self.hide_status_box() - self.set_startstop_enabled(False) - + # XXX disable ----------------------------- def eip_started(self): """ Sets the state of the widget to how it should look after EIP @@ -448,27 +389,21 @@ class StatusPanelWidget(QtGui.QWidget): self.ui.btnEipStartStop.setText(self.tr("Turn OFF")) self.ui.btnEipStartStop.disconnect(self) self.ui.btnEipStartStop.clicked.connect( - self.stop_eip) + self.eipconnection.qtsigs.do_connect_signal) + # XXX disable ----------------------------- def eip_stopped(self): """ Sets the state of the widget to how it should look after EIP has stopped """ + # XXX should connect this to EIPConnection.disconnected_signal self._reset_traffic_rates() + # XXX disable ----------------------------- self.ui.btnEipStartStop.setText(self.tr("Turn ON")) self.ui.btnEipStartStop.disconnect(self) self.ui.btnEipStartStop.clicked.connect( - self.start_eip) - - def set_icon(self, icon): - """ - Sets the icon to display for EIP - - :param icon: icon to display - :type icon: QPixmap - """ - self.ui.lblVPNStatusIcon.setPixmap(icon) + self.eipconnection.qtsigs.do_disconnect_signal) def update_vpn_status(self, data): """ @@ -507,14 +442,21 @@ class StatusPanelWidget(QtGui.QWidget): TRIGGER: VPN.state_changed Updates the displayed VPN state based on the data provided by - the VPN thread + the VPN thread. + + Emits: + If the status is connected, we emit EIPConnection.qtsigs. + connected_signal """ status = data[VPNManager.STATUS_STEP_KEY] self.set_eip_status_icon(status) if status == "CONNECTED": + # XXX should be handled by the state machine too. self.set_eip_status(self.tr("ON")) - # Only now we can properly enable the button. - self.set_startstop_enabled(True) + logger.debug("STATUS IS CONNECTED --- emitting signal") + self.eip_connection_connected.emit() + + # XXX should lookup status map in EIPConnection elif status == "AUTH": self.set_eip_status(self.tr("Authenticating...")) elif status == "GET_CONFIG": @@ -528,7 +470,8 @@ class StatusPanelWidget(QtGui.QWidget): elif status == "ALREADYRUNNING": # Put the following calls in Qt's event queue, otherwise # the UI won't update properly - QtCore.QTimer.singleShot(0, self.stop_eip) + QtCore.QTimer.singleShot( + 0, self.eipconnection.qtsigs.do_disconnect_signal) QtCore.QTimer.singleShot(0, partial(self.set_global_status, self.tr("Unable to start VPN, " "it's already " @@ -536,6 +479,15 @@ class StatusPanelWidget(QtGui.QWidget): else: self.set_eip_status(status) + def set_eip_icon(self, icon): + """ + Sets the icon to display for EIP + + :param icon: icon to display + :type icon: QPixmap + """ + self.ui.lblVPNStatusIcon.setPixmap(icon) + def set_eip_status_icon(self, status): """ Given a status step from the VPN thread, set the icon properly @@ -556,13 +508,17 @@ class StatusPanelWidget(QtGui.QWidget): selected_pixmap = self.CONNECTED_ICON selected_pixmap_tray = self.CONNECTED_ICON_TRAY - self.set_icon(selected_pixmap) + self.set_eip_icon(selected_pixmap) self._systray.setIcon(QtGui.QIcon(selected_pixmap_tray)) self._eip_status_menu.setTitle(tray_message) def set_provider(self, provider): self.ui.lblProvider.setText(provider) + # + # mail methods + # + def _set_mail_status(self, status, ready=False): """ Sets the Mail status in the label and in the tray icon. @@ -742,7 +698,7 @@ class StatusPanelWidget(QtGui.QWidget): self.ui.lblUnread.setVisible(req.content != "0") self._set_mail_status(self.tr("ON"), ready=True) else: - leap_assert(False, + leap_assert(False, # XXX ??? "Don't know how to handle this state: %s" % (req.event)) -- cgit v1.2.3