def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.loadTranslations()
self.settings = QSettings("LVK Inc", "DataCenters")
self.resourcesGraphEditor = ResourcesGraphEditor()
self.tenantEditor = TenantEditor()
self.Vis = Vis()
self.tenants = {}
self.project = Project()
# TODO: Captain, we have a problem!
# For some reason, in Python 2.7 QSettings converts dicts to QVariant
# So the ini file is undecypherable
# This works fine in Python 3.2 by the way
#if self.settings.value("vis"):
#self.Vis.canvas.settings = self.settings.value("vis")
#self.graphvis.settings = self.settings.value("graphVis")
self.settingsDialog = SettingsDialog(self.Vis.canvas.settings)
self.settingsDialog.ui.backup.setChecked(self.settings.value("backup").toBool())
self.settingsDialog.ui.autosave.setChecked(self.settings.value("autosave").toBool())
self.settingsDialog.ui.interval.setValue(self.settings.value("interval").toInt()[0])
paramxml = self.settings.value("paramxml", "params").toString()
ParamFactory.LoadDir(str(paramxml))
self.settingsDialog.ui.params.setText(paramxml)
i = 0
for s in self.languages:
self.settingsDialog.ui.languages.addItem(s)
if s == str(self.settings.value("language").toString()):
self.settingsDialog.ui.languages.setCurrentIndex(i)
i += 1
self.resourcesGraphEditor.setData(self.project.resources)
for i in range(self.MaxRecentFiles):
a = QAction(self)
a.setVisible(False)
a.setEnabled(False)
if i <= 9:
a.setShortcut(QKeySequence(self.tr("Alt+") + str(i + 1)))
QObject.connect(a, SIGNAL("triggered()"), self.OpenRecentFile);
self.ui.menuFile.insertAction(self.ui.actionExit, a)
self.recentFileActions.append(a)
self.UpdateRecentFileActions()
self.basename = self.windowTitle()
self.tenantEditor.tenant_changed.connect(self.tenantChanged)
self.backupTimer = QTimer()
self.backupTimer.setInterval(60000)
self.backupTimer.setSingleShot(False)
QObject.connect(self.backupTimer, SIGNAL("timeout()"), self.Backup)
self.autosaveTimer = QTimer()
self.autosaveTimer.setInterval(60000)
self.autosaveTimer.setSingleShot(False)
QObject.connect(self.autosaveTimer, SIGNAL("timeout()"), self.Autosave)
self.Translate(str(self.settings.value("language", "English").toString()))
self.projFilter = self.tr("Data centers projects (*.dcxml *.xml)")
self.setWindowTitle(self.tr("Untitled") + " - " + self.basename)
class MainWindow(QMainWindow):
project = None
projectFile = "default_project.xml"
tenants = {}
generators = {}
MaxRecentFiles = 10
''' Limit on the number of items in recent files list'''
recentFileActions = []
''' Recent files list'''
def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.loadTranslations()
self.settings = QSettings("LVK Inc", "DataCenters")
self.resourcesGraphEditor = ResourcesGraphEditor()
self.tenantEditor = TenantEditor()
self.Vis = Vis()
self.tenants = {}
self.project = Project()
# TODO: Captain, we have a problem!
# For some reason, in Python 2.7 QSettings converts dicts to QVariant
# So the ini file is undecypherable
# This works fine in Python 3.2 by the way
#if self.settings.value("vis"):
#self.Vis.canvas.settings = self.settings.value("vis")
#self.graphvis.settings = self.settings.value("graphVis")
self.settingsDialog = SettingsDialog(self.Vis.canvas.settings)
self.settingsDialog.ui.backup.setChecked(self.settings.value("backup").toBool())
self.settingsDialog.ui.autosave.setChecked(self.settings.value("autosave").toBool())
self.settingsDialog.ui.interval.setValue(self.settings.value("interval").toInt()[0])
paramxml = self.settings.value("paramxml", "params").toString()
ParamFactory.LoadDir(str(paramxml))
self.settingsDialog.ui.params.setText(paramxml)
i = 0
for s in self.languages:
self.settingsDialog.ui.languages.addItem(s)
if s == str(self.settings.value("language").toString()):
self.settingsDialog.ui.languages.setCurrentIndex(i)
i += 1
self.resourcesGraphEditor.setData(self.project.resources)
for i in range(self.MaxRecentFiles):
a = QAction(self)
a.setVisible(False)
a.setEnabled(False)
if i <= 9:
a.setShortcut(QKeySequence(self.tr("Alt+") + str(i + 1)))
QObject.connect(a, SIGNAL("triggered()"), self.OpenRecentFile);
self.ui.menuFile.insertAction(self.ui.actionExit, a)
self.recentFileActions.append(a)
self.UpdateRecentFileActions()
self.basename = self.windowTitle()
self.tenantEditor.tenant_changed.connect(self.tenantChanged)
self.backupTimer = QTimer()
self.backupTimer.setInterval(60000)
self.backupTimer.setSingleShot(False)
QObject.connect(self.backupTimer, SIGNAL("timeout()"), self.Backup)
self.autosaveTimer = QTimer()
self.autosaveTimer.setInterval(60000)
self.autosaveTimer.setSingleShot(False)
QObject.connect(self.autosaveTimer, SIGNAL("timeout()"), self.Autosave)
self.Translate(str(self.settings.value("language", "English").toString()))
self.projFilter = self.tr("Data centers projects (*.dcxml *.xml)")
self.setWindowTitle(self.tr("Untitled") + " - " + self.basename)
#self.loadPlugins()
def NewProject(self):
self.project = Project()
self.resourcesGraphEditor.setData(self.project.resources)
self.projectFile = None
self.tenants = {}
self.ui.tenants.clear()
self.setWindowTitle(self.tr("Untitled") + " - " + self.basename)
self.backupTimer.start()
self.autosaveTimer.start()
def OpenProject(self):
name = unicode(QFileDialog.getOpenFileName(filter=self.projFilter))
if name == None or name == '':
return
self.OpenProjectFromFile(name)
def OpenProjectFromFile(self, name):
self.tenants = {}
self.project = Project()
#try:
self.project.Load(name)
#except :
# TODO: proper exceptioning
# QMessageBox.critical(self, self.tr("An error occured"), self.tr("File is not a valid project file: ") + name)
# return
self.projectFile = name
self.resourcesGraphEditor.setData(self.project.resources)
self.ui.tenants.clear()
for d in self.project.tenants:
it = QTreeWidgetItem(self.ui.tenants, QStringList([d.name, self.tr("No") if d.critical else self.tr("Yes"), self.tr("Yes") if d.assigned else self.tr("No")]))
cb = QComboBox()
cb.addItems([self.tr("No"),self.tr("Yes")])
cb.setCurrentIndex(0 if d.critical else 1)
QObject.connect(cb, SIGNAL("currentIndexChanged(int)"), it.emitDataChanged)
self.ui.tenants.setItemWidget(it,1,cb)
it.setFlags(Qt.ItemIsEditable | Qt.ItemIsEnabled | Qt.ItemIsSelectable)
self.tenants[it] = d
self.UpdateRecentFiles()
self.setWindowTitle(self.project.name + " - " + self.basename)
self.ui.projectname.setText(self.project.name)
self.showStats()
self.backupTimer.start()
self.autosaveTimer.start()
def OpenRecentFile(self):
''' Opens a project from recent files list'''
text = unicode(self.sender().data().toString())
if os.path.exists(text):
self.OpenProjectFromFile(text)
self.UpdateRecentFiles()
else:
QMessageBox.critical(self, self.tr("Error"), self.tr("Project not found"))
self.RemoveFromRecentFiles(text)
def SaveProject(self):
if self.projectFile == None:
self.SaveProjectAs()
else:
self.project.Save(self.projectFile)
self.UpdateRecentFiles()
def SaveProjectAs(self):
self.projectFile = unicode(QFileDialog.getSaveFileName(directory=self.project.name + ".dcxml", filter=self.projFilter))
if self.projectFile != '':
self.project.Save(self.projectFile)
self.UpdateRecentFiles()
self.setWindowTitle(self.projectFile.split('/').pop().split('.')[0] + " - " + self.basename)
def Backup(self):
if self.settings.value("backup").toBool():
self.project.Save(self.projectFile + ".bak")
def Autosave(self):
if self.settings.value("autosave").toBool():
self.project.Save(self.projectFile)
def InitProject(self):
self.project.resources._buildPaths()
#self.project.method.tenant_assigned.connect(self.tenantAssigned)
def Run(self):
self.Reset()
self.InitProject()
#self.project.method.Clear()
self.Reset()
self.project.Save(self.projectFile)
if self.ui.algorithm.currentIndex() == 0:
alg = "s"
elif self.ui.algorithm.currentIndex() == 1:
alg = "a"
elif self.ui.algorithm.currentIndex() == 2:
alg = "c"
elif self.ui.algorithm.currentIndex() == 3:
alg = "d"
elif self.ui.algorithm.currentIndex() == 4:
alg = "f"
else:
alg = "r"
if sys.platform.startswith("win"):
name = "algo.exe"
else:
name = "algo/algo"
if alg != "s":
os.system(name + " \"" + os.path.relpath(self.projectFile) + "\" \"" + os.path.relpath(self.projectFile) + "\" ")
#self.project.Run()
self.OpenProjectFromFile(self.projectFile)
else:
alg = SimulatedAnnealing(self.project)
alg.Run()
self.showStats()
def RunMultipleTests(self):
window = TestsWindow(self)
window.show()
while window.isVisible():
qApp.processEvents()
def RunSelected(self):
fname = QFileDialog.getSaveFileName(directory="results.txt")
results = []
for alg in "acdfr":
self.Reset()
self.project.Save(self.projectFile)
if sys.platform.startswith("win"):
name = "Algorithm\\algorithm.exe"
else:
name = "Algorithm/Algolib"
os.system(name + " \"" + os.path.relpath(self.projectFile) + "\" -c \"" + os.path.relpath(self.projectFile) + "\" " + alg)
self.OpenProjectFromFile(self.projectFile)
stats = self.project.GetStats()
stats["algorithm"] = alg
results.append(stats)
text = ""
for k in stats.keys():
text += k + "\t"
text += "\n"
for r in results:
for k in stats.keys():
text += str(r[k]) + "\t"
text += "\n"
f = open(fname, "w")
f.write(text)
f.close()
def showStats(self):
if self.project.resources.vertices == []:
return
stats = self.project.GetStats()
self.ui.tenantcount.setText(str(stats["tenants"]))
self.ui.ratio.setText(str(stats["ratio"])+"%")
self.ui.netavg.setText(str(stats["netavg"])+"%")
self.ui.leafavg.setText(str(stats["leafavg"])+"%")
def EditProgram(self):
self.resourcesGraphEditor.canvas.changed = False
self.resourcesGraphEditor.show()
while self.resourcesGraphEditor.isVisible():
qApp.processEvents()
if self.resourcesGraphEditor.canvas.changed:
for t in self.project.tenants:
t.RemoveAssignment()
def AddTenant(self):
d = self.project.CreateTenant()
it = QTreeWidgetItem(self.ui.tenants, QStringList(["New_tenant", self.tr("No"), self.tr("No")]))
cb = QComboBox()
cb.addItems([self.tr("No"),self.tr("Yes")])
self.ui.tenants.setItemWidget(it,1,cb)
QObject.connect(cb, SIGNAL("currentIndexChanged(int)"), it.emitDataChanged)
it.setFlags(Qt.ItemIsEditable | Qt.ItemIsEnabled | Qt.ItemIsSelectable)
self.tenants[it] = d
self.ui.tenants.editItem(it)
self.tenants[it].name = unicode(it.text(0))
self.tenants[it].critical = False if self.ui.tenants.itemWidget(it,1).currentText() == self.tr("Yes") else True
self.UpdateTenant(it)
def DeleteTenant(self):
item = self.ui.tenants.currentItem()
if (item == None):
return
self.project.RemoveTenant(self.tenants[item])
del self.tenants[item]
self.ui.tenants.takeTopLevelItem(self.ui.tenants.indexOfTopLevelItem(item))
del item
def UpdateTenant(self, item):
if item in self.tenants:
rename = True
entered = unicode(item.text(0))
name = entered
index = 1
while rename:
fixed = False
for t in self.project.tenants:
if t.name == name:
if t != self.tenants[item]:
name = entered + " (" + str(index) + ")"
index += 1
fixed = True
if not fixed:
rename = False
item.setText(0, name)
self.tenants[item].name = name
def EditTenant(self):
if (self.tenants == {}) or (self.ui.tenants.currentItem() == None):
return
d = self.tenants[self.ui.tenants.currentItem()]
#d.RemoveAssignment()
self.tenantEditor.canvas.tenants = self.project.tenants
self.tenantEditor.setData(d)
self.tenantEditor.show()
def RandomTenant(self):
d = self.randomDialog
types = []
for v in self.project.resources.vertices:
if isinstance(v,Storage) and (types.count(v.type)==0):
types.append(v.type)
if len(types) == 1: #only type 0
d.ui.cc1.setEnabled(False)
d.ui.cc2.setEnabled(False)
d.exec_()
if d.result() == QDialog.Accepted:
dict = d.GetResult()
dict["types"] = types
for i in range(dict["n"]):
tenant = self.project.CreateRandomTenant(dict)
it = QTreeWidgetItem(self.ui.tenants, QStringList([tenant.id, self.tr("No"), self.tr("No")]))
cb = QComboBox()
cb.addItems([self.tr("No"),self.tr("Yes")])
self.ui.tenants.setItemWidget(it,1,cb)
QObject.connect(cb, SIGNAL("currentIndexChanged(int)"), it.emitDataChanged)
it.setFlags(Qt.ItemIsEditable | Qt.ItemIsEnabled | Qt.ItemIsSelectable)
self.tenants[it] = tenant
def Reset(self):
self.project.Reset()
for k in self.tenants.keys():
k.setText(2, self.tr("No"))
self.showStats()
def About(self):
pass
def Exit(self):
sys.exit(0)
def EditName(self):
self.lineedit = QLineEdit(self.ui.projectname.parentWidget())
self.lineedit.setGeometry(self.ui.projectname.geometry())
self.lineedit.setText(self.ui.projectname.text())
self.lineedit.setFocus()
self.lineedit.show()
self.ui.projectname.hide()
# TODO: what's wrong?
#self.ui.editname.hide()
QObject.connect(self.lineedit, SIGNAL("editingFinished()"), self.ChangeName)
def ChangeName(self):
s = self.lineedit.text()
self.ui.projectname.setText(s)
self.ui.projectname.show()
#self.ui.editname.show()
self.lineedit.hide()
self.project.name = s
self.setWindowTitle(self.project.name + " - " + self.tr("Data Centers GUI"))
def RemoveFromRecentFiles(self, s):
''' Removes an item from recent files list'''
files = self.settings.value("recentFileList").toStringList();
files.removeAll(s);
self.settings.setValue("recentFileList", files);
self.UpdateRecentFileActions()
def UpdateRecentFiles(self):
''' Updates the recent files list to keep the chronological order'''
files = self.settings.value("recentFileList").toStringList();
files.removeAll(self.projectFile);
files.prepend(self.projectFile);
while files.count() > self.MaxRecentFiles:
files.removeAt(files.count()-1)
self.settings.setValue("recentFileList", files);
self.UpdateRecentFileActions()
def UpdateRecentFileActions(self):
''' Updates the list of QActions for recent files'''
files = self.settings.value("recentFileList").toStringList();
numRecentFiles = min(files.count(), self.MaxRecentFiles);
for i in range(self.MaxRecentFiles):
if i < numRecentFiles:
text = self.tr("&%1: %2").arg(i + 1).arg(os.path.basename(unicode(files[i]))[:-6])
self.recentFileActions[i].setText(text)
self.recentFileActions[i].setData(files[i])
self.recentFileActions[i].setVisible(True)
self.recentFileActions[i].setEnabled(True)
else:
self.recentFileActions[i].setVisible(False)
self.recentFileActions[i].setEnabled(False)
def tenantChanged(self):
it = self.ui.tenants.currentItem()
it.setText(0, self.tenants[it].name)
self.showStats()
def ShowResults(self):
self.Vis.setData(self.project)
self.Vis.show()
def ShowGraphVis(self):
self.graphvis.setData(self.project)
self.graphvis.show()
def tenantAssigned(self, id):
item = self.ui.tenants.findItems(id, Qt.MatchExactly)[0]
item.setText(4, "Yes")
def Settings(self):
self.settingsDialog.exec_()
if self.settingsDialog.result() == QDialog.Accepted:
self.settings.setValue("vis", self.Vis.canvas.settings)
self.settings.setValue("backup", self.settingsDialog.ui.backup.isChecked())
self.settings.setValue("autosave", self.settingsDialog.ui.autosave.isChecked())
self.settings.setValue("interval", self.settingsDialog.ui.interval.value())
self.settings.setValue("paramxml", self.settingsDialog.ui.params.text())
ParamFactory.LoadDir(str(self.settingsDialog.ui.params.text()))
self.autosaveTimer.setInterval(self.settings.value("interval").toInt()[0] * 1000)
newlang = self.settingsDialog.ui.languages.currentText()
if newlang != self.settings.value("language"):
self.Translate(newlang)
self.settings.setValue("language", newlang)
def Translate(self, lang):
translator = QTranslator(qApp)
translator.load(":Translations/dc_" + lang + ".qm")
qApp.installTranslator(translator)
self.basename = self.tr("Data Centers GUI")
self.tenantEditor.basename = self.tenantEditor.tr("Tenant Editor")
self.resourcesGraphEditor.basename = self.resourcesGraphEditor.tr("Resources Graph Editor")
self.ui.retranslateUi(self)
self.settingsDialog.ui.retranslateUi(self.settingsDialog)
self.tenantEditor.ui.retranslateUi(self.tenantEditor)
self.resourcesGraphEditor.ui.retranslateUi(self.resourcesGraphEditor)
self.Vis.ui.retranslateUi(self.Vis)
self.showStats()
for k in self.tenants.keys():
cb = QComboBox()
cb.addItems([self.tr("No"),self.tr("Yes")])
cb.setCurrentIndex(0 if self.tenants[k].critical else 1)
QObject.connect(cb, SIGNAL("currentIndexChanged(int)"), k.emitDataChanged)
self.ui.tenants.setItemWidget(k,1,cb)
if self.tenants[k].assigned:
k.setText(2, self.tr("Yes"))
else:
k.setText(2, self.tr("No"))
def loadTranslations(self):
all = QDir(":Translations").entryList()
tsfile = re.compile("dc_([a-zA-z]*)\.qm")
res = []
for s in all:
m = tsfile.match(s)
if m != None:
res.append(m.group(1))
self.languages = res
def loadPlugins(self):
sys.path.append(os.curdir + os.sep + "plugins")
plugins = QActionGroup(self)
for s in os.listdir("plugins"):
# TODO: check all errors
if s.endswith(".py"):
plugin = __import__(s[:-3])
if plugin == "__init__":
continue
if "pluginMain" in dir(plugin):
pluginClass = plugin.pluginMain()
name = pluginClass.GetName()
action = QAction(name, self)
action.setCheckable(False)
QObject.connect(action, SIGNAL("triggered()"), self.GenerateRequests)
plugins.addAction(action)
self.ui.menuGenerators.addAction(action)
self.generators[action] = pluginClass()
else:
print("pluginMain not found in " + s)
def GenerateRequests(self):
generator = self.generators[self.sender()]
data = generator.GetSettings()
d = ParamsDialog(data, self, generator.GetName()=="Tightly coupled", generator.GetName()=="Tightly coupled")
d.exec_()
if d.result() == QDialog.Accepted:
generator.UpdateSettings(d.data)
#TODO: populate the table with new tenants
self.project.tenants = generator.Generate(self.project.resources)
self.ui.tenants.clear()
self.tenants = {}
for tenant in self.project.tenants:
it = QTreeWidgetItem(self.ui.tenants, QStringList([tenant.id, str(tenant.startTime), str(tenant.endTime), self.tr("No"), self.tr("No")]))
cb = QComboBox()
cb.addItems([self.tr("No"),self.tr("Yes")])
self.ui.tenants.setItemWidget(it,1,cb)
QObject.connect(cb, SIGNAL("currentIndexChanged(int)"), it.emitDataChanged)
it.setFlags(Qt.ItemIsEditable | Qt.ItemIsEnabled | Qt.ItemIsSelectable)
self.tenants[it] = tenant
