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     def __repr__(self):
  11         return "%s(%r)" % (self.__class__, self.data)
  12
  13     def __str__(self):
  14         from pprint import pformat
  15         return "%s:%s" % (self.__class__, pformat(self.data))
  16
  17     @property
  18     def guids(self):
  19         return self.data.keys()
  20
  21     def add_testbed_data(self, guid, testbed_id, testbed_version):
  22         testbed_data = dict()
  23         testbed_data["testbed_id"] = testbed_id
  24         testbed_data["testbed_version"] = testbed_version
  25         self.data[guid] = testbed_data
  26
  27     def add_box_data(self, guid, testbed_guid, factory_id):
  28         box_data = dict()
  29         box_data["testbed_guid"] = testbed_guid
  30         box_data["factory_id"] = factory_id
  31         self.data[guid] = box_data
  32
  33     def add_graphical_info_data(self, guid, x, y, width, height):
  34         data = self.data[guid]
  35         if not "graphical_info" in data:
  36             data["graphical_info"] = dict()
  37         graphical_info_data = data["graphical_info"]
  38         graphical_info_data["x"] = x
  39         graphical_info_data["y"] = y
  40         graphical_info_data["width"] = width
  41         graphical_info_data["height"] = height
  42
  43     def add_factory_attribute_data(self, guid, name, value):
  44         data = self.data[guid]
  45         if not "factory_attributes" in data:
  46             data["factory_attributes"] = dict()
  47         factory_attributes_data = data["factory_attributes"]
  48         factory_attributes_data[name] = value
  49
  50     def add_attribute_data(self, guid, name, value):
  51         data = self.data[guid]
  52         if not "attributes" in data:
  53             data["attributes"] = dict()
  54         attributes_data = data["attributes"]
  55         attributes_data[name] = value
  56
  57     def add_trace_data(self, guid, trace_name):
  58         data = self.data[guid]
  59         if not "traces" in data:
  60             data["traces"] = list()
  61         traces_data = data["traces"]
  62         traces_data.append(trace_name)
  63
  64     def add_connection_data(self, guid, connector_type_name, other_guid,
  65             other_connector_type_name):
  66         data = self.data[guid]
  67         if not "connections" in data:
  68             data["connections"] = dict()
  69         connections_data = data["connections"]
  70         if not connector_type_name in connections_data:
  71             connections_data[connector_type_name] = dict()
  72         connection_data = connections_data[connector_type_name]
  73         connection_data[other_guid] = other_connector_type_name
  74
  75     def add_address_data(self, guid, autoconf, address, netprefix,
  76             broadcast):
  77         data = self.data[guid]
  78         if not "addresses" in data:
  79             data["addresses"] = list()
  80         addresses_data = data["addresses"]
  81         address_data = dict()
  82         if autoconf:
  83             address_data["AutoConfigure"] = autoconf
  84         if address:
  85             address_data["Address"] = address
  86         address_data["NetPrefix"] = netprefix
  87         if broadcast:
  88             address_data["Broadcast"] = broadcast
  89         addresses_data.append(address_data)
  90
  91     def add_route_data(self, guid, destination, netprefix, nexthop):
  92         data = self.data[guid]
  93         if not "routes" in data:
  94             data["routes"] = list()
  95         routes_data = data["routes"]
  96         route_data = dict({
  97             "Destination": destination,
  98             "NetPrefix": netprefix,
  99             "NextHop": nexthop
 100             })
 101         routes_data.append(route_data)
 102
 103     def is_testbed_data(self, guid):
 104         return True if "testbed_id" in self.data[guid] else None
 105
 106     def get_testbed_data(self, guid):
 107         testbed_data = self.data[guid]
 108         return (testbed_data["testbed_id"], testbed_data["testbed_version"])
 109
 110     def get_box_data(self, guid):
 111         box_data = self.data[guid]
 112         return (box_data["testbed_guid"], box_data["factory_id"])
 113
 114     def get_graphical_info_data(self, guid):
 115         data = self.data[guid]
 116         if not "graphical_info" in data:
 117             return (0, 0, 0, 0, "")
 118         graphical_info_data = data["graphical_info"]
 119         return (graphical_info_data["x"],
 120                 graphical_info_data["y"],
 121                 graphical_info_data["width"],
 122                 graphical_info_data["height"])
 123
 124     def get_factory_attribute_data(self, guid):
 125         data = self.data[guid]
 126         if not "factory_attributes" in data:
 127             return []
 128         factory_attributes_data = data["factory_attributes"]
 129         return [(name, value) for name, value \
 130                 in factory_attributes_data.iteritems()]
 131
 132     def get_attribute_data(self, guid, attribute=None, default=None):
 133         data = self.data[guid]
 134         if not "attributes" in data:
 135             if attribute is None:
 136                 return []
 137             else:
 138                 return None
 139         attributes_data = data["attributes"]
 140         if attribute is None:
 141             return [(name, value) for name, value \
 142                     in attributes_data.iteritems()]
 143         else:
 144             return attributes_data.get(attribute, default)
 145
 146     def set_attribute_data(self, guid, attribute, value):
 147         data = self.data[guid]
 148         if not "attributes" in data:
 149             raise KeyError, "No attributes in reference OBJECT %r" % (guid,)
 150         attributes_data = data["attributes"]
 151         attributes_data[attribute] = value
 152
 153     def get_trace_data(self, guid):
 154         data = self.data[guid]
 155         if not "traces" in data:
 156             return []
 157         return [trace_id for trace_id in data["traces"]]
 158
 159     def get_connection_data(self, guid):
 160         data = self.data[guid]
 161         if not "connections" in data:
 162             return []
 163         connections_data = data["connections"]
 164         return [(connector_type_name, other_guid, other_connector_type_name) \
 165                     for connector_type_name, connection_data \
 166                         in connections_data.iteritems() \
 167                             for other_guid, other_connector_type_name \
 168                                 in connection_data.iteritems()]
 169
 170     def get_address_data(self, guid):
 171         data = self.data[guid]
 172         if not "addresses" in data:
 173             return []
 174         addresses_data = data["addresses"]
 175         return [(data["AutoConfigure"] if "AutoConfigure" in data else None,
 176                  data["Address"] if "Address" in data else None,
 177                  data["NetPrefix"] if "NetPrefix" in data else None,
 178                  data["Broadcast"] if "Broadcast" in data else None) \
 179                  for data in addresses_data]
 180
 181     def get_route_data(self, guid):
 182         data = self.data[guid]
 183         if not "routes" in data:
 184             return []
 185         routes_data = data["routes"]
 186         return [(data["Destination"],
 187                  data["NetPrefix"],
 188                  data["NextHop"]) \
 189                          for data in routes_data]
 190
 191 class ExperimentParser(object):
 192     def to_data(self, experiment_description):
 193         data = ExperimentData()
 194         for testbed_description in experiment_description.testbed_descriptions:
 195             guid = testbed_description.guid
 196             testbed_id = testbed_description.provider.testbed_id
 197             testbed_version = testbed_description.provider.testbed_version
 198             data.add_testbed_data(guid, testbed_id, testbed_version)
 199             self.graphical_info_to_data(data, guid,
 200                     testbed_description.graphical_info)
 201             self.attributes_to_data(data, guid, testbed_description.attributes)
 202             for box in testbed_description.boxes:
 203                 data.add_box_data(box.guid, guid, box.factory_id)
 204                 self.graphical_info_to_data(data, box.guid, box.graphical_info)
 205                 self.factory_attributes_to_data(data, box.guid,
 206                         box.factory_attributes)
 207                 self.attributes_to_data(data, box.guid, box.attributes)
 208                 self.traces_to_data(data, box.guid, box.traces)
 209                 self.connections_to_data(data, box.guid, box.connectors)
 210                 if hasattr(box, "addresses"):
 211                     self.addresses_to_data(data, box.guid, box.addresses)
 212                 if hasattr(box, "routes"):
 213                     self.routes_to_data(data, box.guid, box.routes)
 214         return data
 215
 216     def graphical_info_to_data(self, data, guid, g_info):
 217         data.add_graphical_info_data(guid, g_info.x, g_info.y, g_info.width,
 218                 g_info.height)
 219
 220     def factory_attributes_to_data(self, data, guid, factory_attributes):
 221         factory_attributes = factory_attributes or dict()
 222         for name, value in factory_attributes.iteritems():
 223             data.add_factory_attribute_data(guid, name, value)
 224
 225     def attributes_to_data(self, data, guid, attributes):
 226         for attribute in attributes:
 227             if attribute.modified or attribute.has_no_default_value:
 228                 data.add_attribute_data(guid, attribute.name, attribute.value)
 229
 230     def traces_to_data(self, data, guid, traces):
 231         for trace in traces:
 232             if trace.enabled:
 233                 data.add_trace_data(guid, trace.trace_id)
 234
 235     def connections_to_data(self, data, guid, connectors):
 236         for connector in connectors:
 237             connector_type_name = connector.connector_type.name
 238             for other_connector in connector.connections:
 239                 other_guid = other_connector.box.guid
 240                 other_connector_type_name = other_connector.connector_type.name
 241                 data.add_connection_data(guid, connector_type_name, other_guid,
 242                         other_connector_type_name)
 243
 244     def addresses_to_data(self, data, guid, addresses):
 245         for addr in addresses:
 246              autoconf = addr.get_attribute_value("AutoConfigure")
 247              address = addr.get_attribute_value("Address")
 248              netprefix = addr.get_attribute_value("NetPrefix")
 249              broadcast = addr.get_attribute_value("Broadcast") \
 250                     if addr.has_attribute("Broadcast") and \
 251                     addr.is_attribute_modified("Broadcast") else None
 252              data.add_address_data(guid, autoconf, address, netprefix,
 253                     broadcast)
 254
 255     def routes_to_data(self, data, guid, routes):
 256         for route in routes:
 257              destination = route.get_attribute_value("Destination")
 258              netprefix = route.get_attribute_value("NetPrefix")
 259              nexthop = route.get_attribute_value("NextHop")
 260              data.add_route_data(guid, destination, netprefix, nexthop)
 261
 262     def from_data(self, experiment_description, data):
 263         box_guids = list()
 264         for guid in sorted(data.guids):
 265             if data.is_testbed_data(guid):
 266                 self.testbed_from_data(experiment_description, guid, data)
 267             else:
 268                 self.box_from_data(experiment_description, guid, data)
 269                 box_guids.append(guid)
 270         self.connections_from_data(experiment_description, box_guids, data)
 271
 272     def testbed_from_data(self, experiment_description, guid, data):
 273         from nepi.core.design import FactoriesProvider
 274         (testbed_id, testbed_version) = data.get_testbed_data(guid)
 275         provider = FactoriesProvider(testbed_id, testbed_version)
 276         experiment_description.add_testbed_description(provider, guid)
 277         testbed_description = experiment_description.testbed_description(guid)
 278         self.graphical_info_from_data(testbed_description, data)
 279         self.attributes_from_data(testbed_description, data)
 280
 281     def box_from_data(self, experiment_description, guid, data):
 282         (testbed_guid, factory_id) = data.get_box_data(guid)
 283         testbed_description = experiment_description.testbed_description(
 284                 testbed_guid)
 285         self.factory_attributes_from_data(testbed_description, factory_id,
 286                 guid, data)
 287         box = testbed_description.create(factory_id, guid)
 288
 289         self.graphical_info_from_data(box, data)
 290         self.attributes_from_data(box, data)
 291         self.traces_from_data(box, data)
 292         self.addresses_from_data(box, data)
 293         self.routes_from_data(box, data)
 294
 295     def graphical_info_from_data(self, element, data):
 296         (x, y, width, height) =  data.get_graphical_info_data(
 297                 element.guid)
 298         element.graphical_info.x = x
 299         element.graphical_info.y = y
 300         element.graphical_info.width = width
 301         element.graphical_info.height = height
 302
 303     def factory_attributes_from_data(self, testbed_description, factory_id,
 304             guid, data):
 305         factory = testbed_description.provider.factory(factory_id)
 306         for (name, value) in data.get_factory_attribute_data(guid):
 307             factory.set_attribute_value(name, value)
 308
 309     def attributes_from_data(self, element, data):
 310         for name, value in data.get_attribute_data(element.guid):
 311             element.set_attribute_value(name, value)
 312
 313     def traces_from_data(self, box, data):
 314         for name in data.get_trace_data(box.guid):
 315             box.enable_trace(name)
 316
 317     def addresses_from_data(self, box, data):
 318         for (autoconf, address, netprefix, broadcast) \
 319                 in data.get_address_data(box.guid):
 320             addr = box.add_address()
 321             if autoconf:
 322                 addr.set_attribute_value("AutoConfigure", autoconf)
 323             if address:
 324                 addr.set_attribute_value("Address", address)
 325             if netprefix != None:
 326                 addr.set_attribute_value("NetPrefix", netprefix)
 327             if broadcast:
 328                 addr.set_attribute_value("Broadcast", broadcast)
 329
 330     def routes_from_data(self, box, data):
 331          for (destination, netprefix, nexthop) \
 332                  in data.get_route_data(box.guid):
 333             addr = box.add_route()
 334             addr.set_attribute_value("Destination", destination)
 335             addr.set_attribute_value("NetPrefix", netprefix)
 336             addr.set_attribute_value("NextHop", nexthop)
 337
 338     def connections_from_data(self, experiment_description, guids, data):
 339         for guid in guids:
 340             box = experiment_description.box(guid)
 341             for (connector_type_name, other_guid, other_connector_type_name) \
 342                     in data.get_connection_data(guid):
 343                     other_box = experiment_description.box(other_guid)
 344                     connector = box.connector(connector_type_name)
 345                     other_connector = other_box.connector(
 346                             other_connector_type_name)
 347                     if not connector.is_connected(other_connector):
 348                         connector.connect(other_connector)
 349