blob: 1fa8d87ba7a0be44472a9b068638b078a68257fd [file] [log] [blame]
#!/usr/bin/env python
import sys
import cPickle
import os
import Openbmc
import dbus
import dbus.service
import dbus.mainloop.glib
#from gi.repository import Gio, GLib, GObject
import gobject
class PropertyManager():
def __init__(self,bus,save_path):
self.bus = bus
self.save_path = save_path
def loadProperties(self,bus_name,obj_path,properties):
## Load properties from system config
obj = self.bus.get_object(bus_name,obj_path)
dbus_properties = dbus.Interface(obj, 'org.freedesktop.DBus.Properties')
for prop_interface in properties.keys():
for prop in properties[prop_interface]:
tmp_val = dbus_properties.Get(prop_interface,prop)
dbus_prop = Openbmc.DbusVariable(prop,tmp_val)
value = properties[prop_interface][prop]
dbus_prop.setValue(value)
dbus_properties.Set(prop_interface,prop,dbus_prop.getValue())
## if save file exists, overlay properties from file
directory = obj_path.replace('/','.')
directory = self.save_path+directory.lstrip('.')
filename = directory+"/"+prop_interface
if (os.path.isfile(filename) == False):
pass
## not an error
#print "No cache available for: "+filename
else:
try:
print "Loading from disk: "+obj_path
output = open(filename, 'rb')
dbus_props = cPickle.load(output)
output.close()
save_properties = dbus.Interface(obj, 'org.freedesktop.DBus.Properties')
for dbus_prop in dbus_props:
save_properties.Set(prop_interface,dbus_prop.getName(),dbus_prop.getValue())
except Exception as e:
## TODO: Error handling
print "Error loadFru: "+str(e)
return None
def saveProperties(self,bus_name,obj_path,interface_name,cache,properties):
obj = self.bus.get_object(bus_name,obj_path)
prop_intf = dbus.Interface(obj, 'org.freedesktop.DBus.Properties')
for prop in properties.keys():
print "Saving properties: "+prop
## convert property to correct dbus type
prop_intf.Set(interface_name,prop,properties[prop])
dbus_props = []
if (cache):
print "Caching: "+obj_path
all_properties = prop_intf.GetAll(interface_name)
for prop in all_properties.keys():
dbus_prop = Openbmc.DbusVariable(prop,all_properties[prop])
dbus_props.append(dbus_prop)
try:
directory = obj_path.replace('/','.')
directory = self.save_path+directory.lstrip('.')
filename = directory+"/"+interface_name
if not os.path.exists(directory):
os.makedirs(directory)
output = open(filename, 'wb')
cPickle.dump(dbus_props,output)
output.close()
except Exception as e:
## TODO: error handling
print str(e)
return None