@author: HZhao
"""
from Topology import Topology
import networkx as nx
import Sender
import threading
import Relay
import Receiver
iplist=['172.16.1.1','172.16.2.1','172.16.3.2','172.16.4.2','172.16.5.3','172.16.6.4','172.16.7.5','172.16.8.6']
portList=[9001,9009,9012,9002,9007,9008,9010,9013]
fixHOST = '127.0.0.1'
Topology_1 = Topology()
Topology_1.config_construct('config/topology.ini')
connectionBefore, connectionAfter=Topology_1.getConnectionRelation()
RelaySet=[]
#start three relays
for idx in range(6):
relayIP=iplist[idx+1]
connectionBefore1=connectionBefore.get(relayIP)
connectionAfter1=connectionAfter.get(relayIP)
connectionAfterwithPort=[]
for afterIP in connectionAfter1:
connectionAfterwithPort.append((afterIP, portList[iplist.index(afterIP)]))
connectionBeforewithPort = []
for beforeIP in connectionBefore1:
