ovsdb/ovsdbmonitor/OVEApp.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
  16 from OVEStandard import *
  17 from OVEConfig import *
  18 from OVEFetch import *
  19
  20 from OVEConfigWindow import *
  21 from OVEFlowWindow import *
  22 from OVELogWindow import *
  23 from OVEMainWindow import *
  24
  25 class OVEApp:
  26     def __init__(self):
  27         self.app = globalApp
  28         self.app.setOrganizationName("Citrix_Systems_Inc")
  29         self.app.setOrganizationDomain("citrix.com")
  30         self.app.setApplicationName("ovsdbmonitor")
  31         self.mainWindows = []
  32         self.flowWindows = []
  33         self.configWindow = None
  34
  35     def enter(self):
  36         if len(OVEConfig.Inst().hosts) < 1:
  37             self.showConfig(True)
  38             QtGui.QMessageBox.information(
  39                     None, "OVSDB Monitor",
  40                     "This application browses openvswitch databases on remote hosts.  Please add one or more openvswitch hosts to continue")
  41         self.loadMainWindows()
  42         self.loadFlowWindows()
  43         if len(self.mainWindows) == 0 and len(self.flowWindows) == 0:
  44             self.newMainWindow()
  45         self.newLogWindow()
  46         # Reactor must be started after the event loop is running, so use a zero timeout
  47         QtCore.QTimer.singleShot(0, OVEFetch.startReactor)
  48         OVELog("Application started")
  49         retCode = self.app.exec_()
  50         index = 0
  51         for mainWindow in self.mainWindows:
  52             if mainWindow.isVisible():
  53                 mainWindow.saveSettings(index)
  54                 index += 1 # Indent intentional
  55         OVEMainWindow.terminateSettings(index)
  56         index = 0
  57         for flowWindow in self.flowWindows:
  58             if flowWindow.isVisible():
  59                 flowWindow.saveSettings(index)
  60                 index += 1 # Indent intentional
  61         OVEFlowWindow.terminateSettings(index)
  62         self.logWindow.saveSettings()
  63
  64     def quit(self):
  65         self.app.quit()
  66
  67     def showLog(self, value):
  68         if value:
  69             self.logWindow.hide()
  70             self.logWindow.show()
  71         else:
  72             self.logWindow.hide()
  73
  74     def showConfig(self, value):
  75         if value:
  76             del self.configWindow
  77             self.configWindow = OVEConfigWindow(self)
  78             self.configWindow.show()
  79         else:
  80             self.configWindow.hide()
  81
  82     def newMainWindow(self, loadIndex = None):
  83         self.mainWindows.append(OVEMainWindow(self, loadIndex))
  84         self.mainWindows[-1].show()
  85
  86     def newFlowWindow(self, loadIndex = None):
  87         self.flowWindows.append(OVEFlowWindow(self, loadIndex))
  88         self.flowWindows[-1].show()
  89
  90     def newLogWindow(self):
  91         self.logWindow = OVELogWindow(self)
  92
  93     def loadMainWindows(self):
  94         for loadIndex in range(0, 100):
  95             if OVEMainWindow.isLoadable(loadIndex):
  96                 self.newMainWindow(loadIndex)
  97             else:
  98                 break
  99
 100     def loadFlowWindows(self):
 101         for loadIndex in range(0, 100):
 102             if OVEFlowWindow.isLoadable(loadIndex):
 103                 self.newFlowWindow(loadIndex)
 104             else:
 105                 break