src/nepi/util/parser/base.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 import sys
   5
   6 class ExperimentData(object):
   7     def __init__(self):
   8         self.data = dict()
   9
  10     @property
  11     def guids(self):
  12         return self.data.keys()
  13
  14     def add_testbed_data(self, guid, testbed_id, testbed_version):
  15         testbed_data = dict()
  16         testbed_data["testbed_id"] = testbed_id
  17         testbed_data["testbed_version"] = testbed_version
  18         self.data[guid] = testbed_data
  19
  20     def add_box_data(self, guid, testbed_guid, factory_id):
  21         box_data = dict()
  22         box_data["testbed_guid"] = testbed_guid
  23         box_data["factory_id"] = factory_id
  24         self.data[guid] = box_data
  25
  26     def add_graphical_info_data(self, guid, x, y, width, height, label):
  27         data = self.data[guid]
  28         if not "graphical_info" in data:
  29             data["graphical_info"] = dict()
  30         graphical_info_data = data["graphical_info"]
  31         graphical_info_data["x"] = x
  32         graphical_info_data["y"] = y
  33         graphical_info_data["width"] = width
  34         graphical_info_data["height"] = height
  35         graphical_info_data["label"] = label
  36
  37     def add_factory_attribute_data(self, guid, name, value):
  38         data = self.data[guid]
  39         if not "factory_attributes" in data:
  40             data["factory_attributes"] = dict()
  41         factory_attributes_data = data["factory_attributes"]
  42         factory_attributes_data[name] = value
  43
  44     def add_attribute_data(self, guid, name, value):
  45         data = self.data[guid]
  46         if not "attributes" in data:
  47             data["attributes"] = dict()
  48         attributes_data = data["attributes"]
  49         attributes_data[name] = value
  50
  51     def add_trace_data(self, guid, trace_name):
  52         data = self.data[guid]
  53         if not "traces" in data:
  54             data["traces"] = list()
  55         traces_data = data["traces"]
  56         traces_data.append(trace_name)
  57
  58     def add_connection_data(self, guid, connector_type_name, other_guid,
  59             other_connector_type_name):
  60         data = self.data[guid]
  61         if not "connections" in data:
  62             data["connections"] = dict()
  63         connections_data = data["connections"]
  64         if not connector_type_name in connections_data:
  65             connections_data[connector_type_name] = dict()
  66         connection_data = connections_data[connector_type_name]
  67         connection_data[other_guid] = other_connector_type_name
  68
  69     def add_address_data(self, guid, autoconf, address, netprefix,
  70             broadcast):
  71         data = self.data[guid]
  72         if not "addresses" in data:
  73             data["addresses"] = list()
  74         addresses_data = data["addresses"]
  75         address_data = dict()
  76         if autoconf:
  77             address_data["AutoConfigure"] = autoconf
  78         if address:
  79             address_data["Address"] = address
  80         address_data["NetPrefix"] = netprefix
  81         if broadcast:
  82             address_data["Broadcast"] = broadcast
  83         addresses_data.append(address_data)
  84
  85     def add_route_data(self, guid, destination, netprefix, nexthop):
  86         data = self.data[guid]
  87         if not "routes" in data:
  88             data["routes"] = list()
  89         routes_data = data["routes"]
  90         route_data = dict({
  91             "Destination": destination,
  92             "NetPrefix": netprefix,
  93             "NextHop": nexthop
  94             })
  95         routes_data.append(route_data)
  96
  97     def is_testbed_data(self, guid):
  98         return True if "testbed_id" in self.data[guid] else None
  99
 100     def get_testbed_data(self, guid):
 101         testbed_data = self.data[guid]
 102         return (testbed_data["testbed_id"], testbed_data["testbed_version"])
 103
 104     def get_box_data(self, guid):
 105         box_data = self.data[guid]
 106         return (box_data["testbed_guid"], box_data["factory_id"])
 107
 108     def get_graphical_info_data(self, guid):
 109         data = self.data[guid]
 110         if not "graphical_info" in data:
 111             return (0, 0, 0, 0, "")
 112         graphical_info_data = data["graphical_info"]
 113         return (graphical_info_data["x"],
 114                 graphical_info_data["y"],
 115                 graphical_info_data["width"],
 116                 graphical_info_data["height"],
 117                 graphical_info_data["label"])
 118
 119     def get_factory_attribute_data(self, guid):
 120         data = self.data[guid]
 121         if not "factory_attributes" in data:
 122             return []
 123         factory_attributes_data = data["factory_attributes"]
 124         return [(name, value) for name, value \
 125                 in factory_attributes_data.iteritems()]
 126
 127     def get_attribute_data(self, guid, attribute=None, default=None):
 128         data = self.data[guid]
 129         if not "attributes" in data:
 130             if attribute is None:
 131                 return []
 132             else:
 133                 return None
 134         attributes_data = data["attributes"]
 135         if attribute is None:
 136             return [(name, value) for name, value \
 137                     in attributes_data.iteritems()]
 138         else:
 139             return attributes_data.get(attribute, default)
 140
 141     def set_attribute_data(self, guid, attribute, value):
 142         data = self.data[guid]
 143         if not "attributes" in data:
 144             raise KeyError, "No attributes in reference OBJECT %r" % (guid,)
 145         attributes_data = data["attributes"]
 146         attributes_data[attribute] = value
 147
 148     def get_trace_data(self, guid):
 149         data = self.data[guid]
 150         if not "traces" in data:
 151             return []
 152         return [trace_id for trace_id in data["traces"]]
 153
 154     def get_connection_data(self, guid):
 155         data = self.data[guid]
 156         if not "connections" in data:
 157             return []
 158         connections_data = data["connections"]
 159         return [(connector_type_name, other_guid, other_connector_type_name) \
 160                     for connector_type_name, connection_data \
 161                         in connections_data.iteritems() \
 162                             for other_guid, other_connector_type_name \
 163                                 in connection_data.iteritems()]
 164
 165     def get_address_data(self, guid):
 166         data = self.data[guid]
 167         if not "addresses" in data:
 168             return []
 169         addresses_data = data["addresses"]
 170         return [(data["AutoConfigure"] if "AutoConfigure" in data else None,
 171                  data["Address"] if "Address" in data else None,
 172                  data["NetPrefix"] if "NetPrefix" in data else None,
 173                  data["Broadcast"] if "Broadcast" in data else None) \
 174                  for data in addresses_data]
 175
 176     def get_route_data(self, guid):
 177         data = self.data[guid]
 178         if not "routes" in data:
 179             return []
 180         routes_data = data["routes"]
 181         return [(data["Destination"],
 182                  data["NetPrefix"],
 183                  data["NextHop"]) \
 184                          for data in routes_data]
 185
 186 class ExperimentParser(object):
 187     def to_data(self, experiment_description):
 188         data = ExperimentData()
 189         for testbed_description in experiment_description.testbed_descriptions:
 190             guid = testbed_description.guid
 191             testbed_id = testbed_description.provider.testbed_id
 192             testbed_version = testbed_description.provider.testbed_version
 193             data.add_testbed_data(guid, testbed_id, testbed_version)
 194             self.graphical_info_to_data(data, guid,
 195                     testbed_description.graphical_info)
 196             self.attributes_to_data(data, guid, testbed_description.attributes)
 197             for box in testbed_description.boxes:
 198                 data.add_box_data(box.guid, guid, box.factory_id)
 199                 self.graphical_info_to_data(data, box.guid, box.graphical_info)
 200                 self.factory_attributes_to_data(data, box.guid,
 201                         box.factory_attributes)
 202                 self.attributes_to_data(data, box.guid, box.attributes)
 203                 self.traces_to_data(data, box.guid, box.traces)
 204                 self.connections_to_data(data, box.guid, box.connectors)
 205                 self.addresses_to_data(data, box.guid, box.addresses)
 206                 self.routes_to_data(data, box.guid, box.routes)
 207         return data
 208
 209     def graphical_info_to_data(self, data, guid, g_info):
 210         data.add_graphical_info_data(guid, g_info.x, g_info.y, g_info.width,
 211                 g_info.height, g_info.label)
 212
 213     def factory_attributes_to_data(self, data, guid, factory_attributes):
 214         for name, value in factory_attributes.iteritems():
 215             data.add_factory_attribute_data(guid, name, value)
 216
 217     def attributes_to_data(self, data, guid, attributes):
 218         for attribute in attributes:
 219             if attribute.modified or attribute.has_no_default_value:
 220                 data.add_attribute_data(guid, attribute.name, attribute.value)
 221
 222     def traces_to_data(self, data, guid, traces):
 223         for trace in traces:
 224             if trace.enabled:
 225                 data.add_trace_data(guid, trace.trace_id)
 226
 227     def connections_to_data(self, data, guid, connectors):
 228         for connector in connectors:
 229             connector_type_name = connector.connector_type.name
 230             for other_connector in connector.connections:
 231                 other_guid = other_connector.box.guid
 232                 other_connector_type_name = other_connector.connector_type.name
 233                 data.add_connection_data(guid, connector_type_name, other_guid,
 234                         other_connector_type_name)
 235
 236     def addresses_to_data(self, data, guid, addresses):
 237         for addr in addresses:
 238              autoconf = addr.get_attribute_value("AutoConfigure")
 239              address = addr.get_attribute_value("Address")
 240              netprefix = addr.get_attribute_value("NetPrefix")
 241              broadcast = addr.get_attribute_value("Broadcast") \
 242                     if addr.has_attribute("Broadcast") and \
 243                     addr.is_attribute_modified("Broadcast") else None
 244              data.add_address_data(guid, autoconf, address, netprefix,
 245                     broadcast)
 246
 247     def routes_to_data(self, data, guid, routes):
 248         for route in routes:
 249              destination = route.get_attribute_value("Destination")
 250              netprefix = route.get_attribute_value("NetPrefix")
 251              nexthop = route.get_attribute_value("NextHop")
 252              data.add_route_data(guid, destination, netprefix, nexthop)
 253
 254     def from_data(self, experiment_description, data):
 255         box_guids = list()
 256         for guid in data.guids:
 257             if data.is_testbed_data(guid):
 258                 self.testbed_from_data(experiment_description, guid, data)
 259             else:
 260                 self.box_from_data(experiment_description, guid, data)
 261                 box_guids.append(guid)
 262         self.connections_from_data(experiment_description, box_guids, data)
 263
 264     def testbed_from_data(self, experiment_description, guid, data):
 265         from nepi.core.design import FactoriesProvider
 266         (testbed_id, testbed_version) = data.get_testbed_data(guid)
 267         provider = FactoriesProvider(testbed_id, testbed_version)
 268         experiment_description.add_testbed_description(provider)
 269         testbed_description = experiment_description.testbed_description(guid)
 270         self.attributes_from_data(testbed_description, data)
 271
 272     def box_from_data(self, experiment_description, guid, data):
 273         (testbed_guid, factory_id) = data.get_box_data(guid)
 274         testbed_description = experiment_description.testbed_description(
 275                 testbed_guid)
 276         self.factory_attributes_from_data(testbed_description, factory_id,
 277                 guid, data)
 278         box = testbed_description.create(factory_id)
 279         self.graphical_info_from_data(box, data)
 280         self.attributes_from_data(box, data)
 281         self.traces_from_data(box, data)
 282         self.addresses_from_data(box, data)
 283         self.routes_from_data(box, data)
 284
 285     def graphical_info_from_data(self, element, data):
 286         (x, y, width, height, label) =  data.get_graphical_info_data(
 287                 element.guid)
 288         element.graphical_info.x = x
 289         element.graphical_info.y = y
 290         element.graphical_info.width = width
 291         element.graphical_info.height = height
 292         element.graphical_info.label = label
 293
 294     def factory_attributes_from_data(self, testbed_description, factory_id,
 295             guid, data):
 296         factory = testbed_description.provider.factory(factory_id)
 297         for (name, value) in data.get_factory_attribute_data(guid):
 298             factory.set_attribute_value(name, value)
 299
 300     def attributes_from_data(self, element, data):
 301         for name, value in data.get_attribute_data(element.guid):
 302             element.set_attribute_value(name, value)
 303
 304     def traces_from_data(self, box, data):
 305         for name in data.get_trace_data(box.guid):
 306             box.enable_trace(name)
 307
 308     def addresses_from_data(self, box, data):
 309         for (autoconf, address, netprefix, broadcast) \
 310                 in data.get_address_data(box.guid):
 311             addr = box.add_address()
 312             if autoconf:
 313                 addr.set_attribute_value("AutoConfigure", autoconf)
 314             if address:
 315                 addr.set_attribute_value("Address", address)
 316             if netprefix != None:
 317                 addr.set_attribute_value("NetPrefix", netprefix)
 318             if broadcast:
 319                 addr.set_attribute_value("Broadcast", broadcast)
 320
 321     def routes_from_data(self, box, data):
 322          for (destination, netprefix, nexthop) \
 323                  in data.get_route_data(box.guid):
 324             addr = box.add_route()
 325             addr.set_attribute_value("Destination", destination)
 326             addr.set_attribute_value("NetPrefix", netprefix)
 327             addr.set_attribute_value("NextHop", nexthop)
 328
 329     def connections_from_data(self, experiment_description, guids, data):
 330         for guid in guids:
 331             box = experiment_description.box(guid)
 332             for (connector_type_name, other_guid, other_connector_type_name) \
 333                     in data.get_connection_data(guid):
 334                     other_box = experiment_description.box(other_guid)
 335                     connector = box.connector(connector_type_name)
 336                     other_connector = other_box.connector(
 337                             other_connector_type_name)
 338                     if not connector.is_connected(other_connector):
 339                         connector.connect(other_connector)
 340