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
12 class NodeView(QTreeView):
13 def __init__(self, parent):
14 QTreeView.__init__(self, parent)
16 self.setRootIsDecorated(False)
17 self.setAlternatingRowColors(True)
18 self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
20 class NodeModel(QStandardItemModel):
21 def __init__(self, parent):
22 QStandardItemModel.__init__(self, 0, 3, parent)
23 self.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
24 self.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
25 self.setHeaderData(2, Qt.Horizontal, QString("IsIn"))
28 class SliceWidget(QWidget):
29 def __init__(self, parent):
30 QWidget.__init__(self, parent)
32 self.nodeView = NodeView(self)
33 self.nodeModel = NodeModel(self)
34 self.nodeView.setModel(self.nodeModel)
36 refresh = QLabel("<a href='refresh'>Refresh</a>", self)
37 refresh.setScaledContents(False)
38 slicename = QLabel ("Slice : %s"%(config.getSlice() or "None"),self)
39 slicename.setScaledContents(False)
41 hlayout = QHBoxLayout()
42 hlayout.addWidget(slicename)
44 hlayout.addWidget(refresh)
46 layout = QVBoxLayout()
47 layout.addLayout(hlayout)
48 layout.addWidget(self.nodeView)
49 self.setLayout(layout)
50 self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
52 self.connect(refresh, SIGNAL('linkActivated(QString)'), self.refresh)
54 rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
55 if os.path.exists(rspec_file):
58 def readSliceRSpec(self):
59 rspec_file = os.path.expanduser("~/.sfi/%s.rspec" % config.getSlice())
60 xml = open(rspec_file).read()
63 def refresh(self, link=None):
64 if not config.getSlice():
65 self.parent().setStatus("<font color='red'>Slice not set yet!</font>")
68 self.process = SfiProcess()
69 outfile = self.process.getRSpecFromSM()
70 self.parent().setStatus("Updating slice data. This may take some time...")
72 self.connect(self.process, SIGNAL('finished()'), self.refreshFinished)
74 def refreshFinished(self):
76 self.parent().setStatus("<font color='green'>Slice data updated.</font>")
80 rspec_string = self.readSliceRSpec()
81 networks = rspec_get_networks(rspec_string)
84 for network in networks:
85 # nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network)
86 # for node in nodes: self.addNode(network, node, True)
87 # nodes = self.rspec_get_other_nodes_from_network(rspec_string, network)
88 # for node in nodes: self.addNode(network, node, False)
89 # hacky - i'm just gettin used to this xml navigation stuff
90 xml_nodes = rspec_get_xml_nodes_from_network(rspec_string, network)
91 from lxml import etree
92 # addNode inserts before, so let's start with the ones that are not in
93 for xml_node in xml_nodes:
94 if not xml_node.xpath('sliver'):
95 self.addNode(network, xml_node.xpath('hostname/text()')[0],False)
96 for xml_node in xml_nodes:
97 if xml_node.xpath('sliver'):
98 self.addNode(network, xml_node.xpath('hostname/text()')[0],True)
101 def addNode(self, testbed, hostname, mark):
102 self.nodeModel.insertRow(0)
103 self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
104 self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
107 self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
110 class MainScreen(SfaScreen):
111 def __init__(self, parent):
112 SfaScreen.__init__(self, parent)
114 slice = SliceWidget(self)
115 self.init(slice, "Main Window", "PlanetLab Federation GUI")