Add ovsdbmonitor GUI tool by Andy Southgate, contributed by Citrix.

[openvswitch] / ovsdb / ovsdbmonitor / OVEMainWindow.py

diff --git a/ovsdb/ovsdbmonitor/OVEMainWindow.py b/ovsdb/ovsdbmonitor/OVEMainWindow.py
new file mode 100644 (file)
index 0000000..8d3d830
--- /dev/null
+++ b/ovsdb/ovsdbmonitor/OVEMainWindow.py
@@ -0,0 +1,138 @@
+# Copyright (c) 2010 Citrix Systems, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from OVEStandard import *
+from OVEConfig import *
+from OVEFetch import *
+from OVELogger import *
+from OVEUtil import *
+
+from OVECommonWindow import *
+
+from Ui_MainWindow import *
+
+class OVEMainWindow(QtGui.QMainWindow, OVECommonWindow):
+    LOAD_KEY = 'MainWindow/window'
+    BASE_REF=100000
+    
+    def __init__(self, app, loadIndex = None):
+        QtGui.QMainWindow.__init__(self)
+        self.ui = Ui_MainWindow()
+        OVECommonWindow.__init__(self, app, loadIndex)
+    
+    def xon_tabWidget_currentChanged(self, value):
+        self.deleteCurrentTable()
+        OVECommonWindow.xon_tabWidget_currentChanged(self, value)
+
+    def updateTable(self):
+        if self.hostUuid == '':
+            self.setWindowTitle('OVS Database')
+            self.deleteCurrentTable()
+            self.statusBar().showMessage('No host selected.  Choose File->Preferences to add a host')
+        else:
+            config = OVEConfig.Inst().hostFromUuid(self.hostUuid)
+            self.setWindowTitle('OVS Database - '+config.get('address', ''))
+            self.invalidateCurrentTable('Fetching data...')
+            tabName = self.ui.tabWidget.currentWidget().objectName()
+            try:
+                self.setFetchSkip()
+                self.currentRef += 1
+                OVEFetch.Inst(self.hostUuid).getTable(self, tabName, self.currentRef)
+            except Exception, e:
+                OVELog("Error fetching data: "+str(e))
+                self.invalidateCurrentTable(str(e))
+
+    def timerEvent(self, event):
+        OVECommonWindow.timerEvent(self, event)
+
+    def customEvent(self, event):
+        OVECommonWindow.customEvent(self, event)
+
+    def handleFetchEvent(self, ref, values):
+        tabName = self.ui.tabWidget.currentWidget().objectName()
+        self.structToTable(getattr(self.ui, str(tabName)+'Table'), values)
+ 
+    def handleFetchFailEvent(self, ref, message):
+        self.invalidateCurrentTable(str(message))
+
+    def structToTable(self, table, values):
+        
+        table.setUpdatesEnabled(False)
+        table.setSortingEnabled(False)
+        
+        for result in values:
+            rowNum = 0
+            table.setRowCount(len(result['rows']))
+            for row in result['rows']:
+                table.setColumnCount(len(row))
+                colNum=0
+                for k in sorted(row.keys()):
+                    v = row[k]
+                    headerItem = QtGui.QTableWidgetItem(k)
+                    table.setHorizontalHeaderItem(colNum, headerItem)
+                    text = OVEUtil.paramToString(v)
+                    item = QtGui.QTableWidgetItem(text)
+                    longText = OVEUtil.paramToLongString(v)
+                    item.setToolTip(longText)
+
+                    table.setItem(rowNum, colNum, item)
+                    colNum+=1
+
+                rowNum+=1
+                
+        for i in range(0, table.columnCount()):
+            table.resizeColumnToContents(i)
+        for i in range(0, table.rowCount()):
+            table.resizeRowToContents(i)
+        
+        # table.setSortingEnabled(True)
+        table.setUpdatesEnabled(True)
+        
+        message = 'Updated at '+str(QtCore.QTime.currentTime().toString())
+        if table.rowCount() == 0:
+            message += ' - Table is empty'
+        self.statusBar().showMessage(message)
+
+    def invalidateCurrentTable(self, message):
+        tabName = self.ui.tabWidget.currentWidget().objectName()
+        self.invalidateTable(getattr(self.ui, str(tabName)+'Table'), message)
+
+    def invalidateTable(self, table, message):
+        table.setUpdatesEnabled(False)
+        table.setSortingEnabled(False)
+        
+        for rowNum in range(0, table.rowCount()):
+            for colNum in range(0, table.columnCount()):
+                item = table.takeItem(rowNum, colNum)
+                if item is not None:
+                    item.setForeground(Qt.darkGray)
+                    table.setItem(rowNum, colNum, item)
+        self.statusBar().showMessage(message)
+        # table.setSortingEnabled(True)
+        table.setUpdatesEnabled(True)
+
+    def deleteCurrentTable(self):
+        tabName = self.ui.tabWidget.currentWidget().objectName()
+        self.deleteTable(getattr(self.ui, str(tabName)+'Table'))
+
+    def deleteTable(self, table):
+        table.clear()
+        table.setRowCount(0)
+        table.setColumnCount(0)
+        
+    def saveSettings(self, index):
+        settings = OVECommonWindow.saveSettings(self, index)
+    
+    def loadSettings(self, index):
+        settings = OVECommonWindow.loadSettings(self, index)