You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
267 lines
9.5 KiB
Python
267 lines
9.5 KiB
Python
#!/usr/bin/env python3
|
|
|
|
from birdvisu.annotations import AnnotatedTopology, AnnotatorID
|
|
from birdvisu.annotations.analysis import TopologyDifference, ShortestPathTree
|
|
from birdvisu.annotations.layout import MegaStyler
|
|
from birdvisu.ospfsock import BirdSocketConnection
|
|
from birdvisu.providers import BirdSocketTopologyProvider, OspfFileTopologyProvider, OspfFileParseError
|
|
from birdvisu.topo_v3 import TopologyV3, VertexID
|
|
from birdvisu.graphics_items import RouterGraphicsItem, NetworkGraphicsItem, EdgeGraphicsItem
|
|
|
|
from collections import defaultdict
|
|
from enum import Enum, auto
|
|
from ipaddress import IPv4Address
|
|
from PySide6 import QtCore, QtGui, QtWidgets
|
|
from PySide6.QtCore import Slot, QObject
|
|
from random import randint
|
|
import sys
|
|
|
|
app = QtWidgets.QApplication([])
|
|
|
|
class BirdTopologyLoader(QtWidgets.QDialog):
|
|
def __init__(self, *a, **kwa):
|
|
super().__init__(*a, **kwa)
|
|
self.setModal(True)
|
|
self.result_ = (None, None, None)
|
|
outer = QtWidgets.QVBoxLayout(self)
|
|
# Area
|
|
inner = QtWidgets.QHBoxLayout()
|
|
inner.addWidget(QtWidgets.QLabel('Area:'))
|
|
line = QtWidgets.QLineEdit(self)
|
|
line.setText('-1')
|
|
self.line = line
|
|
inner.addWidget(line)
|
|
outer.addLayout(inner)
|
|
|
|
inner = QtWidgets.QHBoxLayout()
|
|
inner.addWidget(QtWidgets.QLabel('Instance:'))
|
|
combo = QtWidgets.QComboBox()
|
|
combo.addItems(self.get_instances())
|
|
self.combo = combo
|
|
inner.addWidget(combo)
|
|
outer.addLayout(inner)
|
|
|
|
inner = QtWidgets.QHBoxLayout()
|
|
inner.addWidget(QtWidgets.QLabel('Protocol:'))
|
|
combo = QtWidgets.QComboBox()
|
|
combo.addItems(['Guess!', 'OSPFv2', 'OSPFv3'])
|
|
self.combo2 = combo
|
|
inner.addWidget(combo)
|
|
outer.addLayout(inner)
|
|
|
|
buttons = QtWidgets.QDialogButtonBox(QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel)
|
|
buttons.accepted.connect(self.saveResult)
|
|
buttons.accepted.connect(self.accept)
|
|
buttons.rejected.connect(self.reject)
|
|
outer.addWidget(buttons)
|
|
|
|
@Slot()
|
|
def saveResult(self):
|
|
try:
|
|
area = int(self.line.text())
|
|
except ValueError:
|
|
area = int(IPv4Address(self.line.text()))
|
|
if area == -1: area = None
|
|
inst = self.combo.currentText()
|
|
proto = {
|
|
'OSPFv2': 2,
|
|
'OSPFv3': 3,
|
|
'Guess!': None,
|
|
}[self.combo2.currentText()]
|
|
self.result_ = (area, inst, proto)
|
|
|
|
def get_instances(self):
|
|
# Our code is stupid, so we initialise a BirdSocketTopologyProvider just to get instances and then drop it.
|
|
prov = BirdSocketTopologyProvider()
|
|
bird = BirdSocketConnection()
|
|
return prov.find_running_ospf(bird)
|
|
|
|
|
|
class MainWindow(QtWidgets.QMainWindow):
|
|
class Tool(Enum):
|
|
MoveTopology = auto()
|
|
ShortestPath = auto()
|
|
|
|
def create_menus(self):
|
|
print('Creating menus…')
|
|
self.menubar = self.menuBar()
|
|
mode_menu = self.menubar.addMenu('&Mode')
|
|
short_path_act = QtGui.QAction("Sh. path &DAG", self)
|
|
short_path_act.triggered.connect(self.shortestPathMode)
|
|
mode_menu.addAction(short_path_act)
|
|
|
|
# Hack!
|
|
autoload_act = QtGui.QAction("&Load automatically", self)
|
|
autoload_act.triggered.connect(self.autoLoad)
|
|
self.menubar.addAction(autoload_act)
|
|
|
|
topo_menu = self.menubar.addMenu('&Topology')
|
|
open_ref_act = QtGui.QAction("&Load reference", self)
|
|
open_ref_act.triggered.connect(self.openRefTopology)
|
|
topo_menu.addAction(open_ref_act)
|
|
|
|
cur_topo_menu = topo_menu.addMenu("Load ¤t")
|
|
running_bird_act = QtGui.QAction('&BIRD', self)
|
|
running_bird_act.triggered.connect(self.curTopologyFromBird)
|
|
cur_topo_menu.addAction(running_bird_act)
|
|
from_file_act = QtGui.QAction('&from file', self)
|
|
from_file_act.triggered.connect(self.curTopologyFromFile)
|
|
cur_topo_menu.addAction(from_file_act)
|
|
|
|
refresh_act = QtGui.QAction("&Refresh", self)
|
|
refresh_act.triggered.connect(self.refreshTopologies)
|
|
topo_menu.addAction(refresh_act)
|
|
|
|
def __init__(self, *a, **kwa):
|
|
super().__init__(*a, **kwa)
|
|
self.ref_topo_provider = None
|
|
self.cur_topo_provider = None
|
|
self.set_initial_annotators()
|
|
self.annot_topo = None
|
|
self.highlighter = None
|
|
self.tool = self.Tool.MoveTopology
|
|
self.scene = QtWidgets.QGraphicsScene()
|
|
self.view = QtWidgets.QGraphicsView(self.scene)
|
|
self.view.setDragMode(self.view.DragMode.ScrollHandDrag)
|
|
self.setCentralWidget(self.view)
|
|
self.statusbar = self.statusBar()
|
|
self.statusbar.showMessage('Hello!')
|
|
self.create_menus()
|
|
self.autoLoad()
|
|
|
|
#Hack
|
|
@Slot()
|
|
def autoLoad(self):
|
|
print('Auto-loading…')
|
|
self.ref_topo_provider = OspfFileTopologyProvider('./empty.ospf')
|
|
self.cur_topo_provider = BirdSocketTopologyProvider(instance='gennet4', area=1, version=2)
|
|
self.refreshTopologies()
|
|
|
|
|
|
def set_initial_annotators(self):
|
|
# We have three kinds of annotators:
|
|
# - The essential analytic ones (TopologyDifference)
|
|
# - The one that describes the current tool (when that is Annotator backed, like for ShortestPathTree)
|
|
# - The styling ones, that actually help visualise stuff (MegaStyler)
|
|
self.essential_annotators = [AnnotatorID(TopologyDifference)]
|
|
self.current_annotators = [AnnotatorID(ShortestPathTree, (VertexID(
|
|
family=None,
|
|
is_router=True,
|
|
address=None,
|
|
router_id=int(IPv4Address('172.23.100.10')),
|
|
dr_id=None,
|
|
discriminator=None
|
|
), 'current')),
|
|
]
|
|
self.styling_annotators = [AnnotatorID(MegaStyler, tuple(self.essential_annotators + self.current_annotators))]
|
|
|
|
@Slot()
|
|
def shortestPathMode(self):
|
|
self.tool = self.Tool.ShortestPath
|
|
|
|
@Slot()
|
|
def openRefTopology(self):
|
|
filename = QtWidgets.QFileDialog.getOpenFileName(self, 'Open reference topology', '.', 'OSPF files(*.ospf);;All files(*)')[0]
|
|
if filename == '': return # Do nothing
|
|
self.ref_topo_provider = OspfFileTopologyProvider(filename)
|
|
try:
|
|
ref_topo = self.ref_topo_provider.get_topology()
|
|
except OspfFileParseError as e:
|
|
warning = QtWidgets.QMessageBox.critical(self, "Bad reference topology", f"The reference topology seems to be malformed: {e}.\nPlease select a valid reference topology.")
|
|
self.ref_topo_provider = None
|
|
return
|
|
self.refreshTopologies()
|
|
|
|
@Slot()
|
|
def curTopologyFromBird(self):
|
|
loader = BirdTopologyLoader(self)
|
|
loader.exec()
|
|
area, instance, version = loader.result_
|
|
self.cur_topo_provider = BirdSocketTopologyProvider(instance=instance, area=area, version=version)
|
|
try:
|
|
cur_topo = self.cur_topo_provider.get_topology()
|
|
except OspfFileParseError as e:
|
|
warning = QtWidgets.QMessageBox.critical(self, "Bad current topology", f"The current topology seems to be malformed: {e}.\nPlease select a valid topology.")
|
|
self.cur_topo_provider = None
|
|
return
|
|
self.refreshTopologies()
|
|
|
|
@Slot()
|
|
def curTopologyFromFile(self):
|
|
filename = QtWidgets.QFileDialog.getOpenFileName(self, 'Open current topology', '.', 'OSPF files(*.ospf);;All files(*)')[0]
|
|
if filename == '': return # Do nothing
|
|
self.cur_topo_provider = OspfFileTopologyProvider(filename)
|
|
try:
|
|
cur_topo = self.cur_topo_provider.get_topology()
|
|
except OspfFileParseError as e:
|
|
warning = QtWidgets.QMessageBox.critical(self, "Bad current topology", f"The current topology seems to be malformed: {e}.\nPlease select a valid topology.")
|
|
self.cur_topo_provider = None
|
|
return
|
|
self.refreshTopologies()
|
|
|
|
@Slot()
|
|
def refreshTopologies(self):
|
|
# Pre-checks:
|
|
msg = ''
|
|
if self.ref_topo_provider is None: msg += 'Please select reference topology. '
|
|
if self.cur_topo_provider is None: msg += 'Please select current topology. '
|
|
if msg:
|
|
self.statusbar.showMessage(msg)
|
|
# Nothing more to do.
|
|
return
|
|
# We just drop anything we had before, since we will be re-reading all the files.
|
|
try:
|
|
ref_topo = self.ref_topo_provider.get_topology()
|
|
except OspfFileParseError as e:
|
|
warning = QtWidgets.QMessageBox.critical(self, "Bad reference topology", f"The reference topology seems to be malformed: {e}.\nPlease select a valid reference topology.")
|
|
self.ref_topo_provider = None
|
|
return
|
|
try:
|
|
cur_topo = self.cur_topo_provider.get_topology()
|
|
except OspfFileParseError as e:
|
|
warning = QtWidgets.QMessageBox.critical(self, "Bad current topology", f"The current topology seems to be malformed: {e}.\nPlease select a valid topology.")
|
|
self.cur_topo_provider = None
|
|
return
|
|
self.scene.clear()
|
|
combined_topology = TopologyV3.combine_topologies(reference=ref_topo, current=cur_topo)
|
|
combined_topology.freeze()
|
|
self.annot_topo = AnnotatedTopology(combined_topology)
|
|
for ann_id in self.essential_annotators + self.current_annotators + self.styling_annotators:
|
|
self.annot_topo.run_annotator(ann_id)
|
|
# Draw it
|
|
self.draw_visu()
|
|
|
|
def draw_visu(self):
|
|
# just take the result of the MegaStyler and create vertices according to the style.
|
|
megastyler = self.styling_annotators[-1]
|
|
assert megastyler.annotator == MegaStyler
|
|
msann = self.annot_topo.annotations[megastyler]
|
|
# These two dictionaries are used from outside, so that QGraphicsItems
|
|
# can resolve graph relations (e.g. to draw the line between the
|
|
# correct Vertices)
|
|
self.graphicsitems: dict[VertexID, QGraphicsItem] = dict()
|
|
self.topologyitems: dict[QGraphicsItem, VertexID|Edge] = dict()
|
|
for vtxid, style in msann.for_vertex.items():
|
|
gritem = self.create_vertex(vtxid, style)
|
|
self.graphicsitems[vtxid] = gritem
|
|
self.topologyitems[gritem] = vtxid
|
|
self.scene.addItem(gritem)
|
|
for edge, style in msann.for_edge.items():
|
|
gritem = self.create_edge(edge, style)
|
|
self.graphicsitems[edge] = gritem
|
|
self.topologyitems[gritem] = edge
|
|
self.scene.addItem(gritem)
|
|
|
|
def create_vertex(self, vtxid, style):
|
|
if vtxid.is_router:
|
|
return RouterGraphicsItem(vtxid, style, self)
|
|
else:
|
|
return NetworkGraphicsItem(vtxid, style, self)
|
|
|
|
def create_edge(self, edge, style):
|
|
return EdgeGraphicsItem(edge, style, self)
|
|
|
|
main_window = MainWindow()
|
|
main_window.show()
|
|
app.exec()
|