### Dstat DBUS plugin
### Displays dbus sessions
###
### Authority: dag@wieers.com

class dstat_dbus(dstat):
    def __init__(self):
        self.name = 'dbus'
        self.format = ('d', 3, 100)
        self.nick = ('sys', 'ses')
        self.vars = ('system', 'session')
        self.init(self.vars, 1)

    def check(self): 
#       dstat.info(1, 'The dbus module is an EXPERIMENTAL module.')
        try:
            global dbus
            import dbus
            try:
                self.sysbus = dbus.Bus(dbus.Bus.TYPE_SYSTEM).get_service('org.freedesktop.DBus').get_object('/org/freedesktop/DBus', 'org.freedesktop.DBus')
                try:
                    self.sesbus = dbus.Bus(dbus.Bus.TYPE_SESSION).get_service('org.freedesktop.DBus').get_object('/org/freedesktop/DBus', 'org.freedesktop.DBus')
                except:
                    self.sesbus = None
            except:
                raise Exception, 'Unable to connect to dbus message bus'
            return True
        except:
            raise Exception, 'Needs python-dbus module'

    def extract(self):
        self.val['system'] = len(self.sysbus.ListServices()) - 1
        try:
            self.val['session'] = len(self.sesbus.ListServices()) - 1
        except:
            self.val['session'] = -1
#       print dir(b); print dir(s); print dir(d); print d.ListServices()
#       print dir(d)
#       print d.ListServices()

# vim:ts=4:sw=4:et