def toBeCH(self):
listNodeNoCH = []
for i in range(len(self.network)):
NodeCH = False
for j in range(len(self.clusterH)):
if self.network[i][0][0] == self.clusterH[j][0]:
NodeCH = True
if NodeCH == False and self.alive(self.network[i][0][0]) == 1:
listNodeNoCH.append(self.network[i])
if len(listNodeNoCH) == 0:
listNodeNoCH = copy.deepcopy(self.network)
self.clusterH[:] = []
print('lisnoch')
print(listNodeNoCH)
e = listNodeNoCH[0][0][1]
print("ener", e)
coorCH = listNodeNoCH[0][0][2]
for i in range(len(listNodeNoCH)):
if listNodeNoCH[i][0][1] >= e:
self.adrrCH = listNodeNoCH[i][0][0]
e = listNodeNoCH[i][0][1]
coorCH = listNodeNoCH[i][0][2]
self.clusterH.append([self.adrrCH, e])
print(self.clusterH)
msgHandler = MsgHandler()
print(coorCH)
msgCH = msgHandler.Encode_CH_Change_Msg(self.adrrCH, e, coorCH)
print("New Cluster Head :", self.adrrCH, e)
return self.adrrCH, msgCH
def receive(self,addr_source, port_source):
code=0
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind((addr_source, port_source))
s.setblocking(0)
msgHandler=MsgHandler()
#a=time.time()
#time.sleep(5)
#b=time.time()
#print b-a
lastSend=time.time()
start_time=lastSend
number_node_activated=0
while True:
try:
#time.sleep(1)
#print str(time.time()-lastSend)
if (time.time()-lastSend)>COMMUNICATION_TIMEOUT and self.HasInit==True and lastSend!=start_time:
print 'lost connection with cluster head for : ' + str(time.time()-lastSend)
self.Change_to_spare_CH()
print 'change to spare cluster head: '+ str(self.clusterHead)
msg=msgHandler.Encode_CH_Change_Msg(self.clusterHead[0],self.clusterHead[1],self.clusterHead[2])
for eachNode in self.network:
code=self.send(eachNode[0], PORT, msg)
lastSend=time.time()
print 'Reset lastSend time: ' +str (lastSend)
data, addr = s.recvfrom(1024)
#print 'received' + data
type_msg=msgHandler.Decode(data)
if type_msg==1:
temp,code=msgHandler.Decode_CH_Change_Msg(data)
if code==0:
self.clusterHead=temp
self.RefreshNetwork(temp)
print '******************************'
print 'received: ' + str(temp)
print 'CH changed:'
print self.clusterHead
else:
print "error in decoding CH change msg."
elif type_msg==2:
temp,code=msgHandler.Decode_List_Info_Msg(data)
if code==0:
self.network=temp
self.clusterHead=temp[0]
lastSend=time.time()
print 'Received network info: '
print str(self.network)
print ' '
else:
for tempNode in node.network:
if node.calculateCoor(node.clusterHead[2], tempNode[2]):
tempNet.append(tempNode)
node.network = tempNet
print 'Network after change: '
print node.network
print ' '
# tell the BS the information of the network
node.send(BS_addr, BS_port, MS_Handler.Encode_List_Info_Msg(node.network))
# send information to the new cluster head to let him be the new cluster head
for eachNode in node.network:
code=node.send(eachNode[0], PORT, MS_Handler.Encode_CH_Change_Msg(node.clusterHead[0],node.clusterHead[1],node.clusterHead[2]))
#print '++++++++++++++++'
#print code
#timerUpdateHead=
CH_start=0
#elif (len(buff)==buffSize):
# node.send(BS_addr, BS_port, buff)
# lastSend = time.time()
'''
timerUpdateHead = threading.Timer(100, node.selectNextHead)
timerSendBS = threading.Timer(
