ovsdb/ovsdbmonitor/OVEConfig.py

   1 # Copyright (c) 2010 Citrix Systems, Inc.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at:
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 from OVEStandard import *
  16 from OVELogger import *
  17
  18 class OVEConfig(QtCore.QObject):
  19     instance = None
  20     def __init__(self):
  21         QtCore.QObject.__init__(self)
  22         self.hosts = []
  23         self.logTraffic = True
  24         self.truncateUuids = True
  25         self.ssgList = []
  26
  27     @classmethod
  28     def Inst(cls):
  29         if cls.instance is None:
  30             cls.instance = OVEConfig()
  31             cls.instance.loadConfig()
  32         return cls.instance
  33
  34     def hostFromUuid(self, uuid):
  35         for host in self.hosts:
  36             if host['uuid'] == uuid:
  37                 return host
  38         OVELog("+++ Couldn't find host '"+str(uuid)+"' in "+str([x['uuid'] for x in self.hosts]))
  39         return None
  40
  41     def saveConfig(self):
  42         settings = QtCore.QSettings()
  43         settings.setValue('config/hosts', QVariant(json.JsonWriter().write(self.hosts)))
  44         settings.setValue('config/logTraffic', QVariant(self.logTraffic))
  45         settings.setValue('config/truncateUuids', QVariant(self.truncateUuids))
  46         settings.setValue('config/ssgList', QVariant(json.JsonWriter().write(self.ssgList)))
  47         settings.sync()
  48         self.emitUpdated()
  49
  50     def loadConfig(self):
  51         settings = QtCore.QSettings()
  52         jsonText = unicode(settings.value('config/hosts', QVariant('[]')).toString())
  53         self.hosts = json.JsonReader().read(str(jsonText))
  54         self.logTraffic = settings.value('config/logTraffic', QVariant(False)).toBool()
  55         self.truncateUuids = settings.value('config/truncateUuids', QVariant(False)).toBool()
  56         jsonText = unicode(settings.value('config/ssgList', QVariant('[]')).toString())
  57         self.ssgList = json.JsonReader().read(str(jsonText))
  58         if len(self.ssgList) == 0:
  59             self.ssgList = [
  60                 r'in_port0000',
  61                 r'in_port0001',
  62                 r'in_port0002',
  63                 r'in_port0003',
  64                 r'vlan65535',
  65                 r'type0800',
  66                 r'type0806',
  67                 r'proto0',
  68                 r'proto6',
  69                 r'proto17',
  70                 r'ff:ff:ff:ff:ff:ff',
  71                 r'!ff:ff:ff:ff:ff:ff',
  72                 r'0\.0\.0\.0',
  73                 r'!0\.0\.0\.0',
  74                 r'255\.255\.255\.255',
  75                 r'!255\.255\.255\.255',
  76                 r'never',
  77                 r'drop',
  78                 r'!never',
  79                 r'!drop',
  80                 r'(never|drop)',
  81                 r'!(never|drop)'
  82             ]
  83
  84     def emitUpdated(self):
  85         self.emit(QtCore.SIGNAL("configUpdated()"))