コード例 #1
0
	def __init__(self, server_port, peer_forward_port, peer_backward_port, client_forward_port, client_backward_port, master_port) :

		#create id of server using the hash of IP address and MAC
		self.HOST = ''   # Symbolic name meaning all available interfaces
		#self.PORT = 9167 # All servers will listen on this port -- to listen to CLIENTS
		#self.PEER_PORT = 9570 # to listen to PEERS
		#self.MASTER_PORT = 11500
		self.PORT = int(server_port)
		self.PEER_HOST = ""
		self.PEER_FORWARD_PORT = int(peer_forward_port)
		self.PEER_BACKWARD_PORT = int(peer_backward_port)
		self.CLIENT_FORWARD_PORT = int(client_forward_port)
		self.CLIENT_BACKWARD_PORT = int(client_backward_port)
		self.MASTER_PORT= int(master_port)
		self.MASTER_HOST = ""
		self.PORT_Mapper = port_mapper.PortMap()
		self.ip = ""
		self.nodeid = ""
		self.A_server = ""

		# Pastry protocol datastructures :--------
		self.leaf = []       # contain Leaf nodes having L/2 closest small and L/2 closest greater nodes
		self.neighbour = []  # contain neighbours - k closest nodes according to the proximity measure
		self.routing = []    # routing table

		connection_type = 1
		print "GOING TO INITIALIZE IP ADDRESSSSSSSS"
		while True :
			try :
				if connection_type == 1 :
					self.ip = ni.ifaddresses('enp1s0')[2][0]['addr']
				else :
					self.ip = ni.ifaddresses('eth0')[2][0]['addr']
				if self.ip == "" :
					continue				
			except :
				self.ip = ni.ifaddresses('eth0')[2][0]['addr']
			finally :
				break

		self.socket_obj = {}

		# just to show to bibhas sir-----
	#	ip_ob = IP.IP()
	#	my_ip = ip_ob.get_my_ip()
	#	self.ip = my_ip
		#---------------------------------

		#self.nodeid = "abc8960"      # dummy nodeid

		self.HOST = self.ip

		#self.leaf = ["abc4550","cd4562"]
		#self.neighbour = ["35abce", "f538ab"]
		#temp = ["NULL"]*16
		#print self.routing
		#self.routing.append(temp)
		#self.routing.append(temp)
		#self.routing.append(temp)
		#self.routing.append(temp)
	#	print self.check_information("3496fe",3) 

		#print "getting list of masters :"
		#masters_list = get_masters_from_persistence("server 2:LIST_OF_MASTERS")
		#print "99 ",masters_list
		#exit()

		self.register_to_persistence()

		if self.A_server.find('0') is not -1 :                         # decide this condition of master selection later
			print "I am the first peer in the network"
		else:	
			try:
				data = Thread(target=self.peer_front_process, args=("REQUEST <ip>" +self.ip + " :0",self.A_server)).start()     # Separate thread to accept the incoming connections from tier 2 peers
				# decoding the received data after the search process done
				print "Received data :"
				print data

			except Exception, errtxt:
				print errtxt
コード例 #2
0
	def __init__(self, server_port, peer_forward_port, peer_backward_port, client_forward_port, client_backward_port, master_port) :

		#create id of server using the hash of IP address and MAC
		self.HOST = ''   # Symbolic name meaning all available interfaces
		#self.PORT = 9167 # All servers will listen on this port -- to listen to CLIENTS
		#self.PEER_PORT = 9570 # to listen to PEERS
		#self.MASTER_PORT = 11500
		self.PORT = int(server_port)
		self.PEER_HOST = ""
		self.PEER_FORWARD_PORT = int(peer_forward_port)
		self.PEER_BACKWARD_PORT = int(peer_backward_port)
		self.CLIENT_FORWARD_PORT = int(client_forward_port)
		self.CLIENT_BACKWARD_PORT = int(client_backward_port)
		self.MASTER_PORT= int(master_port)
		self.MASTER_HOST = ""
		self.PORT_Mapper = port_mapper.PortMap()
		self.ip = ""
		self.nodeid = ""
		self.A_server = ""

		# Pastry protocol datastructures :--------
		self.leaf = []       # contain Leaf nodes having L/2 closest small and L/2 closest greater nodes
		self.neighbour = []  # contain neighbours - k closest nodes according to the proximity measure
		self.routing = []    # routing table

		for i in range(0,20):
			self.routing.append(["NULL"]*20)

		connection_type = 1
		print "GOING TO INITIALIZE IP ADDRESSSSSSSS"
		while True :
			try :
				if connection_type == 1 :
					self.ip = ni.ifaddresses('enp1s0')[2][0]['addr']
				else :
					self.ip = ni.ifaddresses('eth0')[2][0]['addr']
				if self.ip == "" :
					continue				
			except :
				self.ip = ni.ifaddresses('eth0')[2][0]['addr']
			finally :
				break

		self.socket_obj = {}


		#self.nodeid = "abc8960"      # dummy nodeid

		self.HOST = self.ip

		#self.leaf = ["abc4550","cd4562"]
		#self.neighbour = ["35abce", "f538ab"]
		#temp = ["NULL"]*16
		#print self.routing
		#self.routing.append(temp)
		#self.routing.append(temp)
		#self.routing.append(temp)
		#self.routing.append(temp)
	#	print self.check_information("3496fe",3) 

		#print "getting list of masters :"
		#masters_list = get_masters_from_persistence("server 2:LIST_OF_MASTERS")
		#print "99 ",masters_list
		#exit()

		self.register_to_persistence()
		#get_masters_from_persistence("server 2:LIST_OF_MASTERS")

		

		if self.A_server is "0" :                         # decide this condition of master selection later
			print "I am the first peer in the network"
		else:	
			try:
				queue = Queue.Queue()
				thread_ = threading.Thread(target=self.peer_front_process, args=("REQUEST START<id>" +self.nodeid + ":-1",self.A_server,queue))
				thread_.start()     # Separate thread to accept the incoming connections from tier 2 peers
				# decoding the received data after the search process done
				thread_.join()
				msg = queue.get()
				print "Decoding the data : ",msg
				leaf = msg[msg.rfind('&')+1:msg.rfind('#')]

				leaf = leaf.strip()
				self.leaf = leaf.split()
				print "leaf is : ",self.leaf

				nei = msg[msg.rfind('$')+1:msg.rfind('@')]
				nei = nei.split()
				print "Neighbour is : ", self.neighbour

				step = msg[msg.rfind('@')+1:]
				step = int(step)

				routing = msg[msg.rfind('#')+1:msg.rfind('$')]
				routing = routing.strip()
				routing = routing.split('Routing')

				nodes_on_path = []
				#self.routing = []
				#for i in range(0,step):
				#	self.routing.append(["NULL"]*20)

				print "Debugging : ",self.routing

				for i in range(1,len(routing)):
					x = routing[i].strip()
					row = x[:x.rfind('^')].strip()
					node = x[x.rfind('^')+1:].strip()
					nodes_on_path.append(node)
					entries = row.split()
					for j in range(0,20):	
						self.routing[step][j] = entries[j]        # debugging1
					#self.routing.append(entries)
					#print "hey ",i+1
					#print node, " ",row," ",entries
				
				print "Routing table : "
				print self.routing		

				print "Updating the leaf set :"
				for node in nodes_on_path:
					bisect.insort(self.leaf,node)
					if(len(self.leaf) > 4):
						if(self.nodeid > node):
							self.leaf = self.leaf[1:]
						else:
							self.leaf = self.leaf[:-1]
				print "leaf set after updation :"
				print self.leaf


			except Exception, errtxt:
				print errtxt
コード例 #3
0
	def __init__(self, server_port, peer_forward_port, peer_backward_port, master_port) :

		#create id of server using the hash of IP address and MAC
		self.HOST = ''   # Symbolic name meaning all available interfaces
		#self.PORT = 9167 # All servers will listen on this port -- to listen to CLIENTS
		#self.PEER_PORT = 9570 # to listen to PEERS
		#self.MASTER_PORT = 11500
		self.PORT = int(server_port)
		self.PEER_HOST = "10.0.0.4"
		self.PEER_FORWARD_PORT = int(peer_forward_port)
		self.PEER_BACKWARD_PORT = int(peer_backward_port)
		self.MASTER_PORT= int(master_port)
		self.MASTER_HOST = "10.0.0.4"
		self.PORT_Mapper = port_mapper.PortMap()
		self.ip = ""

		# Pastry protocol datastructures :--------
		self.leaf = []       # contain Leaf nodes having L/2 closest small and L/2 closest greater nodes
		self.neighbour = []  # contain neighbours - k closest nodes according to the proximity measure
		self.routing = []    # routing table

		connection_type = 1
		print "GOING TO INITIALIZE IP ADDRESSSSSSSS"
		while True :
			try :
				if connection_type == 1 :
					self.ip = ni.ifaddresses('enp1s0')[2][0]['addr']
				else :
					self.ip = ni.ifaddresses('eth0')[2][0]['addr']
				if self.ip == "" :
					continue				
			except :
				self.ip = ni.ifaddresses('eth0')[2][0]['addr']
			finally :
				break

		self.socket_obj = {}

		# just to show to bibhas sir-----
		ip_ob = IP.IP()
		my_ip = ip_ob.get_my_ip()
		self.ip = my_ip
		#---------------------------------

		self.HOST = self.ip 

		fHandle = open('master_stub.txt')        # write 0 in stub file when starting the network
		data = fHandle.read()
		fHandle.close()
		data = data.strip()

		#print "getting list of masters :"
		#masters_list = get_masters_from_persistence("server 2:LIST_OF_MASTERS")
		#print "99 ",masters_list
		#exit()

#		if data == '0' :                         # decide this condition of master selection later
#			print "Initiating master"
#			self.master_node = master_8.Master(self.MASTER_PORT)  


#		else :  
		print "Initiating Server"
		#self.register_to_persistence()

		### to get ip of A server from persistence
		A_server = 


		try:
			data = Thread(target=self.peer_front_process, args=("REQUEST <ip>" +self.ip + " :0",A_server)).start()     # Separate thread to accept the incoming connections from tier 2 peers
		except Exception, errtxt:
			print errtxt