| #!/usr/bin/env python |
| |
| import gobject |
| import dbus |
| import dbus.service |
| import dbus.mainloop.glib |
| |
| POWER_OFF = 0 |
| POWER_ON = 1 |
| |
| class ChassisControlObject(dbus.service.Object): |
| def __init__(self,bus,name): |
| self.power_sequence = 0 |
| dbus.service.Object.__init__(self,bus,name) |
| bus = dbus.SessionBus() |
| try: |
| # Get PowerControl object |
| power_control_service = bus.get_object('org.openbmc.PowerControl','/org/openbmc/PowerControl/0') |
| self.power_control_iface = dbus.Interface(power_control_service, 'org.openbmc.PowerControl') |
| # Get ChassisIdentify object |
| chassis_identify_service = bus.get_object('org.openbmc.ChassisIdentify','/org/openbmc/ChassisIdentify/0') |
| self.identify_led_iface = dbus.Interface(chassis_identify_service, 'org.openbmc.Led'); |
| # Get HostControl object |
| host_control_service = bus.get_object('org.openbmc.HostControl','/org/openbmc/HostControl/0') |
| self.host_control_iface = dbus.Interface(host_control_service, 'org.openbmc.HostControl'); |
| |
| bus.add_signal_receiver(self.power_button_signal_handler, |
| dbus_interface = "org.openbmc.Button", signal_name = "ButtonPressed") |
| bus.add_signal_receiver(self.power_good_signal_handler, |
| dbus_interface = "org.openbmc.PowerControl", signal_name = "PowerGood") |
| |
| |
| except dbus.exceptions.DBusException, e: |
| # TODO: not sure what to do if can't find other services |
| print "Unable to find dependent services: ",e |
| |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='', out_signature='s') |
| def getID(self): |
| return id |
| |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='', out_signature='') |
| def setIdentify(self): |
| print "Turn on identify" |
| self.identify_led_iface.setOn() |
| return None |
| |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='', out_signature='') |
| def clearIdentify(self): |
| print "Turn off identify" |
| r=self.identify_led_iface.setOff() |
| return None |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='', out_signature='') |
| def setPowerOn(self): |
| print "Turn on power and boot" |
| self.power_sequence = 0 |
| if (self.getPowerState()==0): |
| self.power_control_iface.setPowerState(POWER_ON) |
| self.power_sequence = 1 |
| return None |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='', out_signature='') |
| def setPowerOff(self): |
| print "Turn off power" |
| self.power_control_iface.setPowerState(POWER_OFF); |
| return None |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='', out_signature='i') |
| def getPowerState(self): |
| state = self.power_control_iface.getPowerState(); |
| return state |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='', out_signature='') |
| def setDebugMode(self): |
| return None |
| |
| @dbus.service.method("org.openbmc.ChassisControl", |
| in_signature='i', out_signature='') |
| def setPowerPolicy(self,policy): |
| return None |
| |
| ## Signal handler |
| def power_button_signal_handler(self): |
| # only power on if not currently powered on |
| state = self.getPowerState() |
| if state == POWER_OFF: |
| self.setPowerOn() |
| elif state == POWER_ON: |
| self.setPowerOff(); |
| |
| # TODO: handle long press and reset |
| |
| ## Signal handler |
| def power_good_signal_handler(self): |
| if (self.power_sequence==1): |
| self.host_control_iface.boot() |
| self.power_sequence = 2 |
| |
| |
| |
| if __name__ == '__main__': |
| dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) |
| |
| bus = dbus.SessionBus() |
| name = dbus.service.BusName("org.openbmc.ChassisControl", bus) |
| obj = ChassisControlObject(bus, '/org/openbmc/ChassisControl') |
| mainloop = gobject.MainLoop() |
| |
| print "Running ChassisControlService" |
| mainloop.run() |
| |