3 from PyQt4.QtCore import *
4 from PyQt4.QtGui import *
6 from sfa.util.rspecHelper import RSpec
7 from sface.sfahelper import *
8 from sface.sficonfig import config
9 from sface.sfiprocess import SfiProcess
10 from sface.screens.sfascreen import SfaScreen
13 class SliceWidget(QWidget):
14 def __init__(self, parent):
15 QWidget.__init__(self, parent)
17 self.nodeView = QTreeView(self)
18 self.nodeView.setRootIsDecorated(False)
19 self.nodeView.setAlternatingRowColors(True)
20 self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
22 self.nodeModel = QStandardItemModel(0, 3, self)
23 self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
24 self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
25 self.nodeModel.setHeaderData(2, Qt.Horizontal, QString("IsIn"))
27 self.nodeView.setModel(self.nodeModel)
29 refresh = QLabel("<a href='refresh'>Refresh</a>", self)
30 refresh.setScaledContents(False)
31 slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self)
32 slicename.setScaledContents(False)
34 hlayout = QHBoxLayout()
35 hlayout.addWidget(slicename)
37 hlayout.addWidget(refresh)
39 layout = QVBoxLayout()
40 layout.addLayout(hlayout)
41 layout.addWidget(self.nodeView)
42 self.setLayout(layout)
43 self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
45 self.connect(refresh, SIGNAL('linkActivated(QString)'), self.refresh)
47 rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
48 if os.path.exists(rspec_file):
51 def readSliceRSpec(self):
52 rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
53 xml = open(rspec_file).read()
56 def refresh(self, link=None):
57 if not config.getSlice():
58 self.parent().setStatus("<font color='red'>Slice not set yet!</font>")
61 self.process = SfiProcess()
62 outfile = self.process.getRSpecFromSM()
63 self.parent().setStatus("Updating slice data. This may take some time...")
65 self.connect(self.process, SIGNAL('finished()'), self.refreshFinished)
67 def refreshFinished(self):
69 self.parent().setStatus("<font color='green'>Slice data updated.</font>")
73 rspec_string = self.readSliceRSpec()
74 networks = rspec_get_networks(rspec_string)
77 for network in networks:
78 # nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network)
79 # for node in nodes: self.addNode(network, node, True)
80 # nodes = self.rspec_get_other_nodes_from_network(rspec_string, network)
81 # for node in nodes: self.addNode(network, node, False)
82 # hacky - i'm just gettin used to this xml navigation stuff
83 xml_nodes = rspec_get_xml_nodes_from_network(rspec_string, network)
84 from lxml import etree
85 # addNode inserts before, so let's start with the ones that are not in
86 for xml_node in xml_nodes:
87 if not xml_node.xpath('sliver'):
88 self.addNode(network, xml_node.xpath('hostname/text()')[0],False)
89 for xml_node in xml_nodes:
90 if xml_node.xpath('sliver'):
91 self.addNode(network, xml_node.xpath('hostname/text()')[0],True)
94 def addNode(self, testbed, hostname, mark):
95 self.nodeModel.insertRow(0)
96 self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
97 self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
100 self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
103 class MainScreen(SfaScreen):
104 def __init__(self, parent):
105 SfaScreen.__init__(self, parent)
107 slice = SliceWidget(self)
108 self.init(slice, "Main Window", "PlanetLab Federation GUI")