+++ /dev/null
-
-from PyQt4.QtCore import Qt, QString, SIGNAL
-from PyQt4.QtGui import QWidget, QLabel, QTreeView, QStandardItemModel, QVBoxLayout, QSizePolicy
-
-from sfa.util.rspecHelper import RSpec
-
-from sfadata import SfaData
-from sfascreen import SfaScreen
-
-
-class SliceWidget(QWidget):
- def __init__(self, parent=None):
- QWidget.__init__(self, parent)
-
- self.nodeView = QTreeView(self)
- self.nodeView.setRootIsDecorated(False)
- self.nodeView.setAlternatingRowColors(True)
- self.nodeView.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
-
- self.nodeModel = QStandardItemModel(0, 3, self)
- self.nodeModel.setHeaderData(0, Qt.Horizontal, QString("Testbed"))
- self.nodeModel.setHeaderData(1, Qt.Horizontal, QString("Hostname"))
- self.nodeModel.setHeaderData(2, Qt.Horizontal, QString("IsIn"))
-
- self.nodeView.setModel(self.nodeModel)
-
- label = QLabel("<a href='refresh'>Refresh</a>", self)
- label.setScaledContents(False)
- self.connect(label, SIGNAL('linkActivated(QString)'), self.refresh)
-
- # mmhh.
- data=SfaData()
- slicename = QLabel ("Slice : %s"%(data.getSlice() or "None"),self)
-
- layout = QVBoxLayout()
- layout.addWidget(label)
- layout.addWidget(slicename)
- layout.addWidget(self.nodeView)
- self.setLayout(layout)
- self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
-
-
-
- # TODO: use the methods from sfa-trunk
- def rspec_get_networks(self, rspec_string):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name]/@name")
- def rspec_get_xml_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name='%s']/site/node" % network)
- def rspec_get_sliver_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- return rspec.rspec.xpath("./network[@name='%s']/site/node[sliver]/hostname/text()" % network)
- def rspec_get_other_nodes_from_network(self, rspec_string, network):
- rspec = RSpec (rspec_string)
- # xxx todo - could not find the xpath syntax for 'does not have the sliver attribute'
- return rspec.rspec.xpath("./network[@name='%s']/site/node[~sliver]/hostname/text()" % network)
-
- def refresh(self, link=None):
- data = SfaData()
- if not data.getSlice():
- print 'slice not set yet'
- return
- if not data.SFACE_DEBUG:
- rspec_string = data.getRSpecFromSM()
- else:
- print 'SFACE_DEBUG : using local file'
- import os
- rspec_string = open(os.path.expanduser("~/.sfi/%s.rspec"%data.getSlice())).read()
-
- networks = self.rspec_get_networks(rspec_string)
- networks.reverse()
-
- for network in networks:
-# nodes = self.rspec_get_sliver_nodes_from_network(rspec_string, network)
-# for node in nodes: self.addNode(network, node, True)
-# nodes = self.rspec_get_other_nodes_from_network(rspec_string, network)
-# for node in nodes: self.addNode(network, node, False)
- # hacky - i'm just gettin used to this xml navigation stuff
- xml_nodes = self.rspec_get_xml_nodes_from_network(rspec_string, network)
- from lxml import etree
- # addNode inserts before, so let's start with the ones that are not in
- for xml_node in xml_nodes:
- if not xml_node.xpath('sliver'):
- self.addNode(network,xml_node.xpath('hostname/text()')[0],False)
- for xml_node in xml_nodes:
- if xml_node.xpath('sliver'):
- self.addNode(network,xml_node.xpath('hostname/text()')[0],True)
-
-
- def addNode(self, testbed, hostname, mark):
- self.nodeModel.insertRow(0)
- self.nodeModel.setData(self.nodeModel.index(0,0), QString(testbed))
- self.nodeModel.setData(self.nodeModel.index(0,1), QString(hostname))
- if mark:msg="x"
- else: msg="-"
- self.nodeModel.setData(self.nodeModel.index(0,2), QString(msg))
-
-
-
-class SfaMainScreen(SfaScreen):
- def __init__(self, parent=None):
- SfaScreen.__init__(self, parent)
-
- slice = SliceWidget(self)
- self.init(slice, "Main Window", "PlanetLab Federation GUI")
- slice.refresh()