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=None):
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 self.status = QLabel("")
36 hlayout = QHBoxLayout()
37 hlayout.addWidget(slicename)
39 hlayout.addWidget(refresh)
41 layout = QVBoxLayout()
42 layout.addLayout(hlayout)
43 layout.addWidget(self.nodeView)
44 layout.addWidget(self.status)
45 self.setLayout(layout)
46 self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
48 self.connect(refresh, SIGNAL('linkActivated(QString)'), self.refresh)
50 rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
51 if os.path.exists(rspec_file):
54 def readSliceRSpec(self):
55 rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
56 xml = open(rspec_file).read()
59 def refresh(self, link=None):
60 if not config.getSlice():
61 self.status.setText("Slice not set yet!")
64 self.process = SfiProcess()
65 outfile = self.process.getRSpecFromSM()
66 self.status.setText("Updating slice data. This may take some time...")
68 self.connect(self.process, SIGNAL('finished()'), self.refreshFinished)
70 def refreshFinished(self):
72 self.status.setText("Slice data updated.")
76 rspec_string = self.readSliceRSpec()
77 networks = rspec_get_networks(rspec_string)
80 for network in networks:
81 # nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network)
82 # for node in nodes: self.addNode(network, node, True)
83 # nodes = self.rspec_get_other_nodes_from_network(rspec_string, network)
84 # for node in nodes: self.addNode(network, node, False)
85 # hacky - i'm just gettin used to this xml navigation stuff
86 xml_nodes = rspec_get_xml_nodes_from_network(rspec_string, network)
87 from lxml import etree
88 # addNode inserts before, so let's start with the ones that are not in
89 for xml_node in xml_nodes:
90 if not xml_node.xpath('sliver'):
91 self.addNode(network, xml_node.xpath('hostname/text()')[0],False)
92 for xml_node in xml_nodes:
93 if xml_node.xpath('sliver'):
94 self.addNode(network, xml_node.xpath('hostname/text()')[0],True)
97 def addNode(self, testbed, hostname, mark):
98 self.nodeModel.insertRow(0)
99 self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
100 self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
103 self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
106 class MainScreen(SfaScreen):
107 def __init__(self, parent=None):
108 SfaScreen.__init__(self, parent)
110 slice = SliceWidget(self)
111 self.init(slice, "Main Window", "PlanetLab Federation GUI")