ffmap-backend/nodedb.py
2012-05-11 18:39:26 +02:00

123 lines
2.7 KiB
Python

import json
from node import Node
from link import Link
class NodeDB:
def __init__(self):
self._nodes = []
self._links = set()
# fetch list of links
def get_links(self):
return [self.map_link(x) for x in self._links]
# fetch list of nodes
def get_nodes(self):
return self._nodes
def maybe_node_by_mac(self, macs):
for node in self._nodes:
for mac in macs:
if mac in node.macs:
return node
raise
# import_batman(list(fileinput.input(options['batmanjson'])))
def import_batman(self, lines):
for line in lines:
x = json.loads(line)
if 'of' in x:
try:
node = self.maybe_node_by_mac((x['of'], x['secondary']))
except:
node = Node()
node.online = True
self._nodes.append(node)
node.add_mac(x['of'])
node.add_mac(x['secondary'])
for line in lines:
x = json.loads(line)
if 'router' in x:
try:
node = self.maybe_node_by_mac((x['router'], ))
except:
node = Node()
node.online = True
node.add_mac(x['router'])
self._nodes.append(node)
try:
if 'gateway' in x:
x['neighbor'] = x['gateway']
node = self.maybe_node_by_mac((x['neighbor'], ))
except:
node = Node()
node.online = True
if x['label'] == 'TT':
node.group = 3
node.add_mac(x['neighbor'])
self._nodes.append(node)
for line in lines:
x = json.loads(line)
if 'router' in x:
try:
if 'gateway' in x:
x['neighbor'] = x['gateway']
router = self.maybe_node_by_mac((x['router'], ))
neighbor = self.maybe_node_by_mac((x['neighbor'], ))
except:
continue
a = self._nodes.index(router)
b = self._nodes.index(neighbor)
self._links.add(tuple(sorted((a,b))))
def import_aliases(self, aliases):
for mac, alias in aliases.items():
try:
node = self.maybe_node_by_mac((mac, ))
except:
continue
node.name = alias['name']
if 'group' in alias:
node.group = alias['group']
# list of macs
# if options['gateway']:
# mark_gateways(options['gateway'])
def mark_gateways(self, gateways):
for gateway in gateways:
try:
node = self.maybe_node_by_mac((gateway, ))
except:
continue
node.group = 2
def map_link(self, pair):
distance = 80
strength = 0.2
if any(filter(lambda x: self._nodes[x].group == 3, pair)):
distance = 10
strength = 1
link = Link()
link.pair = pair
link.distance = distance
link.strength = strength
return link