src/nepi/util/parser/_xml.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from nepi.core.attributes import Attribute
   5 from nepi.util.parser.base import ExperimentData, ExperimentParser
   6 from xml.dom import minidom
   7
   8 class XmlExperimentParser(ExperimentParser):
   9     def to_xml(self, experiment_description):
  10         data = self.to_data(experiment_description)
  11         doc = minidom.Document()
  12         exp_tag = doc.createElement("experiment")
  13         testbeds_tag = doc.createElement("testbeds")
  14         exp_tag.appendChild(testbeds_tag)
  15
  16         elements_tags = dict()
  17         for guid in data.guids:
  18             if data.is_testbed_data(guid):
  19                 elements_tag = self.testbed_data_to_xml(doc, testbeds_tag, guid, data)
  20                 elements_tags[guid] = elements_tag
  21             else:
  22                 self.box_data_to_xml(doc, elements_tags, guid, data)
  23         doc.appendChild(exp_tag)
  24         xml = doc.toprettyxml(indent="    ", encoding="UTF-8")
  25         return xml
  26
  27     def testbed_data_to_xml(self, doc, parent_tag, guid, data):
  28         testbed_tag = doc.createElement("testbed")
  29         testbed_tag.setAttribute("guid", str(guid))
  30         (testbed_id, testbed_version) = data.get_testbed_data(guid)
  31         testbed_tag.setAttribute("testbed_id", str(testbed_id))
  32         testbed_tag.setAttribute("testbed_version", str(testbed_version))
  33         parent_tag.appendChild(testbed_tag)
  34         self.graphical_info_data_to_xml(doc, testbed_tag, guid, data)
  35         self.attributes_data_to_xml(doc, testbed_tag, guid, data)
  36         elements_tag = doc.createElement("elements")
  37         testbed_tag.appendChild(elements_tag)
  38         return elements_tag
  39
  40     def box_data_to_xml(self, doc, elements_tags, guid, data):
  41         (testbed_guid, factory_id) = data.get_box_data(guid)
  42         element_tag = doc.createElement("element")
  43         parent_tag = elements_tags[testbed_guid]
  44         parent_tag.appendChild(element_tag)
  45         element_tag.setAttribute("factory_id", factory_id)
  46         element_tag.setAttribute("guid", str(guid))
  47         self.graphical_info_data_to_xml(doc, element_tag, guid, data)
  48         self.factory_attributes_data_to_xml(doc, element_tag, guid, data)
  49         self.attributes_data_to_xml(doc, element_tag, guid, data)
  50         self.traces_data_to_xml(doc, element_tag, guid, data)
  51         self.addresses_data_to_xml(doc, element_tag, guid, data)
  52         self.routes_data_to_xml(doc, element_tag, guid, data)
  53         self.connections_data_to_xml(doc, element_tag, guid, data)
  54
  55     def graphical_info_data_to_xml(self, doc, parent_tag, guid, data):
  56         graphical_info_tag = doc.createElement("graphical_info")
  57         parent_tag.appendChild(graphical_info_tag)
  58         (x, y, width, height, label) = data.get_graphical_info_data(guid)
  59         graphical_info_tag.setAttribute("x", str(x))
  60         graphical_info_tag.setAttribute("y", str(y))
  61         graphical_info_tag.setAttribute("width", str(width))
  62         graphical_info_tag.setAttribute("height", str(height))
  63         graphical_info_tag.setAttribute("label", str(label))
  64
  65     def factory_attributes_data_to_xml(self, doc, parent_tag, guid, data):
  66         factory_attributes_tag = doc.createElement("factory_attributes")
  67         parent_tag.appendChild(factory_attributes_tag)
  68         for (name, value) in data.get_factory_attribute_data(guid):
  69             factory_attribute_tag = doc.createElement("factory_attribute")
  70             factory_attributes_tag.appendChild(factory_attribute_tag)
  71             factory_attribute_tag.setAttribute("name", name)
  72             factory_attribute_tag.setAttribute("value", str(value))
  73             factory_attribute_tag.setAttribute("type", self.type_to_standard(value))
  74
  75     def attributes_data_to_xml(self, doc, parent_tag, guid, data):
  76         attributes_tag = doc.createElement("attributes")
  77         parent_tag.appendChild(attributes_tag)
  78         for name, value in data.get_attribute_data(guid):
  79             attribute_tag = doc.createElement("attribute")
  80             attributes_tag.appendChild(attribute_tag)
  81             attribute_tag.setAttribute("name", name)
  82             attribute_tag.setAttribute("value", str(value))
  83             attribute_tag.setAttribute("type", self.type_to_standard(value))
  84
  85     def traces_data_to_xml(self, doc, parent_tag, guid, data):
  86         traces_tag = doc.createElement("traces")
  87         parent_tag.appendChild(traces_tag)
  88         for name in data.get_trace_data(guid):
  89             trace_tag = doc.createElement("trace")
  90             traces_tag.appendChild(trace_tag)
  91             trace_tag.setAttribute("name", name)
  92
  93     def addresses_data_to_xml(self, doc, parent_tag, guid, data):
  94         addresses_tag = doc.createElement("addresses")
  95         parent_tag.appendChild(addresses_tag)
  96         for (autoconfigure, address, family, netprefix, broadcast) \
  97                 in data.get_address_data(guid):
  98             address_tag = doc.createElement("address")
  99             addresses_tag.appendChild(address_tag)
 100             if autoconfigure:
 101                 address_tag.setAttribute("AutoConfigure", str(autoconf))
 102             if address:
 103                 address_tag.setAttribute("Address", str(address))
 104             if family:
 105                 address_tag.setAttribute("Family", str(family))
 106             if netprefix:
 107                 address_tag.setAttribute("NetPrefix", str(netprefix))
 108             if broadcast:
 109                 address_tag.setAttribute("Broadcast", str(broadcast))
 110
 111     def routes_data_to_xml(self, doc, parent_tag, guid, data):
 112         routes_tag = doc.createElement("routes")
 113         parent_tag.appendChild(routes_tag)
 114         for (family, destination, netprefix, nexthop, interface) \
 115                 in data.get_route_data(guid):
 116             route_tag = doc.createElement("route")
 117             routes_tag.appendChild(route_tag)
 118             route_tag.setAttribute("Family", str(family))
 119             route_tag.setAttribute("Destination", str(destination))
 120             route_tag.setAttribute("NetPrefix", str(netprefix))
 121             route_tag.setAttribute("NextHop", str(nexthop))
 122             route_tag.setAttribute("Interface", str(interface))
 123
 124     def connections_data_to_xml(self, doc, parent_tag, guid, data):
 125         connections_tag = doc.createElement("connections")
 126         parent_tag.appendChild(connections_tag)
 127         for (connector_type_name, other_guid, other_connector_type_name) \
 128                 in data.get_connection_data(guid):
 129                 connection_tag = doc.createElement("connection")
 130                 connections_tag.appendChild(connection_tag)
 131                 connection_tag.setAttribute("connector", connector_type_name)
 132                 connection_tag.setAttribute("other_guid", str(other_guid))
 133                 connection_tag.setAttribute("other_connector",
 134                         other_connector_type_name)
 135
 136     def from_xml(self, experiment_description, xml):
 137         data = ExperimentData()
 138         doc = minidom.parseString(xml)
 139         testbeds_tag = doc.getElementsByTagName("testbeds")[0]
 140         testbed_tag_list = testbeds_tag.getElementsByTagName("testbed")
 141         for testbed_tag in testbed_tag_list:
 142             if testbed_tag.nodeType == doc.ELEMENT_NODE:
 143                 testbed_guid = int(testbed_tag.getAttribute("guid"))
 144                 self.testbed_data_from_xml(testbed_tag, data)
 145                 elements_tag = testbed_tag.getElementsByTagName("elements")[0]
 146                 element_tag_list = elements_tag.getElementsByTagName("element")
 147                 for element_tag in element_tag_list:
 148                     if element_tag.nodeType == doc.ELEMENT_NODE:
 149                         self.box_data_from_xml(element_tag, testbed_guid, data)
 150         self.from_data(experiment_description, data)
 151
 152     def testbed_data_from_xml(self, tag, data):
 153         testbed_guid = int(tag.getAttribute("guid"))
 154         testbed_id = str(tag.getAttribute("testbed_id"))
 155         testbed_version = str(tag.getAttribute("testbed_version"))
 156         data.add_testbed_data(testbed_guid, testbed_id, testbed_version)
 157         self.graphical_info_data_from_xml(tag, testbed_guid, data)
 158         self.attributes_data_from_xml(tag, testbed_guid, data)
 159
 160     def box_data_from_xml(self, tag, testbed_guid, data):
 161         guid = int(tag.getAttribute("guid"))
 162         factory_id = str(tag.getAttribute("factory_id"))
 163         data.add_box_data(guid, testbed_guid, factory_id)
 164         self.graphical_info_data_from_xml(tag, guid, data)
 165         self.factory_attributes_data_from_xml(tag, guid, data)
 166         self.attributes_data_from_xml(tag, guid, data)
 167         self.traces_data_from_xml(tag, guid, data)
 168         self.addresses_data_from_xml(tag, guid, data)
 169         self.routes_data_from_xml(tag, guid, data)
 170         self.connections_data_from_xml(tag, guid, data)
 171
 172     def graphical_info_data_from_xml(self, tag, guid, data):
 173         graphical_info_tag_list = tag.getElementsByTagName(
 174                 "graphical_info")
 175         if len(graphical_info_tag_list) == 0:
 176             return
 177
 178         graphical_info_tag = graphical_info_tag_list[0]
 179         if graphical_info_tag.nodeType == tag.ELEMENT_NODE:
 180             x = int(graphical_info_tag.getAttribute("x"))
 181             y = int(graphical_info_tag.getAttribute("y"))
 182             width = int(graphical_info_tag.getAttribute("width"))
 183             height = int(graphical_info_tag.getAttribute("height"))
 184             label = str(graphical_info_tag.getAttribute("label"))
 185             data.add_graphical_info_data(guid, x, y, width, height, label)
 186
 187     def factory_attributes_data_from_xml(self, tag, guid, data):
 188         factory_attributes_tag_list = tag.getElementsByTagName(
 189                 "factory_attributes")
 190         if len(factory_attributes_tag_list) == 0:
 191             return
 192
 193         factory_attribute_tag_list = factory_attributes_tag_list[0].\
 194                 getElementsByTagName("factory_attribute")
 195         for factory_attribute_tag in factory_attribute_tag_list:
 196              if factory_attribute_tag.nodeType == tag.ELEMENT_NODE:
 197                 name = str(factory_attribute_tag.getAttribute("name"))
 198                 value = factory_attribute_tag.getAttribute("value")
 199                 std_type = factory_attribute_tag.getAttribute("type")
 200                 value = self.type_from_standard(std_type, value)
 201                 data.add_factory_attribute_data(guid, name, value)
 202
 203     def attributes_data_from_xml(self, tag, guid, data):
 204         attributes_tag_list= tag.getElementsByTagName("attributes")
 205         if len(attributes_tag_list) == 0:
 206             return
 207
 208         attribute_tag_list = attributes_tag_list[0].\
 209                 getElementsByTagName("attribute")
 210         for attribute_tag in attribute_tag_list:
 211              if attribute_tag.nodeType == tag.ELEMENT_NODE:
 212                 name = str(attribute_tag.getAttribute("name"))
 213                 value = attribute_tag.getAttribute("value")
 214                 std_type = attribute_tag.getAttribute("type")
 215                 value = self.type_from_standard(std_type, value)
 216                 data.add_attribute_data(guid, name, value)
 217
 218     def traces_data_from_xml(self, tag, guid, data):
 219         traces_tag_list = tag.getElementsByTagName("traces")
 220         if len(traces_tag_list) == 0:
 221             return
 222
 223         trace_tag_list = traces_tag_list[0].getElementsByTagName(
 224                 "trace")
 225         for trace_tag in trace_tag_list:
 226              if trace_tag.nodeType == tag.ELEMENT_NODE:
 227                 name = str(trace_tag.getAttribute("name"))
 228                 data.add_trace_data(guid, name)
 229
 230     def addresses_data_from_xml(self, tag, guid, data):
 231         addresses_tag_list = tag.getElementsByTagName("addresses")
 232         if len(addresses_tag_list) == 0:
 233             return
 234
 235         address_tag_list = addresses_tag_list[0].\
 236                 getElementsByTagName("address")
 237         for address_tag in address_tag_list:
 238             if address_tag.nodeType == tag.ELEMENT_NODE:
 239                 autoconf = bool(address_tag.getAttribute("AutoConfigure")) \
 240                        if address_tag.hasAttribute("AutoConfigure") else None
 241                 address = str(address_tag.getAttribute("Address")) \
 242                        if address_tag.hasAttribute("Address") else None
 243                 family = int(address_tag.getAttribute("Family")) \
 244                        if address_tag.hasAttribute("Family") else None
 245                 netprefix = int(address_tag.getAttribute("NetPrefix")) \
 246                        if address_tag.hasAttribute("NetPrefix") else None
 247                 broadcast = str(address_tag.getAttribute("Broadcast")) \
 248                        if address_tag.hasAttribute("Broadcast") else None
 249                 data.add_address_data(guid, autoconf, address, family,
 250                     netprefix, broadcast)
 251
 252     def routes_data_from_xml(self, tag, guid, data):
 253         routes_tag_list = tag.getElementsByTagName("routes")
 254         if len(routes_tag_list) == 0:
 255             return
 256
 257         route_tag_list = routes_tag_list[0].getElementsByTagName("route")
 258         for route_tag in route_tag_list:
 259             if route_tag.nodeType == tag.ELEMENT_NODE:
 260                 family = int(route_tag.getAttribute("Family"))
 261                 destination = str(route_tag.getAttribute("Destination"))
 262                 netprefix = int(route_tag.getAttribute("NetPrefix"))
 263                 nexthop = str(route_tag.getAttribute("NextHop"))
 264                 interface = str(route_tag.getAttribute("Interface"))
 265                 data.add_route_data(guid, family, destination, netprefix,
 266                         nexthop, interface)
 267
 268     def connections_data_from_xml(self, tag, guid, data):
 269         connections_tag_list = tag.getElementsByTagName("connections")
 270         if len(connections_tag_list) == 0:
 271             return
 272
 273         connection_tag_list = connections_tag_list[0].getElementsByTagName(
 274                 "connection")
 275         for connection_tag in connection_tag_list:
 276              if connection_tag.nodeType == tag.ELEMENT_NODE:
 277                  connector_type_name = str(connection_tag.getAttribute(
 278                      "connector"))
 279                  other_connector_type_name = str(connection_tag.getAttribute(
 280                          "other_connector"))
 281                  other_guid = int(connection_tag.getAttribute("other_guid"))
 282                  data.add_connection_data(guid, connector_type_name,
 283                          other_guid, other_connector_type_name)
 284
 285     def type_to_standard(self, value):
 286         if type(value) == str:
 287             return Attribute.STRING
 288         if type(value) == bool:
 289             return Attribute.BOOL
 290         if type(value) == int:
 291             return Attribute.INTEGER
 292         if type(value) == float:
 293             return Attribute.DOUBLE
 294
 295     def type_from_standard(self, type, value):
 296         if type == Attribute.STRING:
 297             return str(value)
 298         if type == Attribute.BOOL:
 299             return bool(value)
 300         if type == Attribute.INTEGER:
 301             return int(value)
 302         if type == Attribute.DOUBLE:
 303             return float(value)
 304