def importTopologyFromBrite(self, britefile):
parser = BriteParser(britefile)
parser.doParse()
self.all_hosts = parser.hosts
self.links = parser.links
self.routers = parser.routers
self.__selectMulticastGroup__()
self.multicast_source = self.selectRandomHost(self.multicast_group)
self.__selectActiveHosts__()
def importTopologyFromBrite(self, britefile, group_size=0, initial_group_size=0, initial_source=0, delta_id=1):
parser = BriteParser(britefile, delta_id)
parser.doParse()
self.all_hosts = parser.hosts
self.links = parser.links
self.routers = parser.routers
print 'Parser Done: routers', len(self.routers), ' | hosts', len(self.all_hosts), ' | links', len(self.links)
hosts_numbers = len(self.all_hosts)
if group_size != 0:
if hosts_numbers < group_size:
raise Exception('Demanded group is bigger than the topology!')
else:
if initial_source != 0:
if not self.isHost(initial_source):
raise Exception('Demanded source is invalid!')
self.multicast_source = self.getHostById(initial_source)
self.multicast_group.append(self.multicast_source)
if group_size >= 2:
self.__selectMulticastGroup__(group_size-1)
else:
self.__selectMulticastGroup__(group_size)
self.multicast_source = self.selectRandomHost(self.multicast_group)
else:
self.__selectMulticastGroup__(hosts_numbers/2 +1)
self.multicast_source = self.selectRandomHost(self.multicast_group)
print 'Multicast Group Selected:', len(self.multicast_group), 'hosts'
print 'Multicast Source: ', self.multicast_source
if initial_group_size != 0:
if group_size - 1 < initial_group_size:
raise Exception('Initial group size is bigger than the group size')
else:
self.__selectActiveHosts__( initial_group_size )
else:
self.__selectActiveHosts__( (len(self.multicast_group)-1) / 2)
print 'Active Hosts Selected:', len(self.active_hosts), 'hosts'
#self.__calcLinksWeight__()
#print 'Links Weight Calculated'
print 'mimimimimimimimi'
