def __init__(self, host, port, peer_sock, local_sock, start_port, port_range):
self.node = NetNode(host, port)
self.router = Router(self.node)
self.data = Data()
self.peer_server = Simple_Server(peer_sock, self)
self.local_listener = Simple_Listener(local_sock, self)
self.start_port = start_port
self.port_range = port_range
def __init__(self, host, port, peer_sock, local_sock, start_port, port_range):
self.node = NetNode(host, port)
self.router = Router(self.node)
self.data = Data()
self.peer_server = Simple_Server(peer_sock, self)
self.local_listener = Simple_Listener(local_sock, self)
self.start_port = start_port
self.port_range = port_range
class PeerHead:
def __init__(self, host, port, peer_sock, local_sock, start_port, port_range):
self.node = NetNode(host, port)
self.router = Router(self.node)
self.data = Data()
self.peer_server = Simple_Server(peer_sock, self)
self.local_listener = Simple_Listener(local_sock, self)
self.start_port = start_port
self.port_range = port_range
def start_peer_server(self):
self.peer_server.serve()
def start_local_listener(self):
self.local_listener.serve()
def findPeer(self, host):
# the function below finds the host we contacted
r_node = self.router.find_peer(host, self.start_port, self.port_range)
# The remote host and remote port will be set as the DHT entry point for this node
self.router.setEntry(r_node)
return str(r_node)
def joinNetwork(self):
# LOOKUP OF THIS NODE:#####################################################
# If the Router gave us a peer, then we can lookup in the network
# First call lookup( ) to get the location where we belong in the network (succ(my_id))
# Lookup of hashed_ID will give us the succ
succ = self.router.lookup(self.node.hash, self.router.getEntry())
# print ("Did lookup! Host: " + succ.host + " at Port: " + str(succ.port) + " Hash: " + succ.hash)
if type(succ) is not str and self.node.hash == succ.hash:
return "Already a member of network"
# INSERT NODE#############################################################
# Insert sets pred, succ after coordination in the network
pred = self.router.insert(self.node.hash, succ)
# print ("Did insert! Host: " + pred.host + " at Port: " + str(pred.port) + " Hash: " + pred.hash)
# We can set pred and succ now, probably could add error checks (for null) and a loop to retry
self.router.setPred(pred)
# they should also be set at the same time so they are consistent in the network
self.router.setSucc(succ)
# the successor should default to succ as well
self.router.setEntry(succ)
return "Joined at: {}".format(str(succ))
def getFullNetStatus(self):
return (
"######### Node "
+ str(self.router.port)
+ " Routing Information########|\n"
+ "SELF:"
+ self.node.hash
+ "|"
+ self.node.host
+ "|"
+ str(self.node.port)
+ "|\n"
"PRED:"
+ self.router.getPred().hash
+ "|"
+ self.router.getPred().host
+ "|"
+ str(self.router.getPred().port)
+ "|\n"
"SUCC:"
+ self.router.getSucc().hash
+ "|"
+ self.router.getSucc().host
+ "|"
+ str(self.router.getSucc().port)
+ "|\n"
)
def getCSVNetStatus(self):
return (
str(self.router.port)
+ ","
+ self.node.hash
+ ","
+ self.node.host
+ ","
+ str(self.node.port)
+ "," # this node info
+ self.router.getPred().hash
+ ","
+ self.router.getPred().host
+ ","
+ str(self.router.getPred().port)
+ "," # pred node
+ self.router.getSucc().hash
+ ","
+ self.router.getSucc().host
+ ","
+ str(self.router.getSucc().port)
) # succ node
class PeerHead:
def __init__(self, host, port, peer_sock, local_sock, start_port,
port_range):
self.node = NetNode(host, port)
self.router = Router(self.node)
self.data = Data()
self.peer_server = Simple_Server(peer_sock, self)
self.local_listener = Simple_Listener(local_sock, self)
self.start_port = start_port
self.port_range = port_range
def start_peer_server(self):
self.peer_server.serve()
def start_local_listener(self):
self.local_listener.serve()
def findPeer(self, host):
#the function below finds the host we contacted
r_node = self.router.find_peer(host, self.start_port, self.port_range)
#The remote host and remote port will be set as the DHT entry point for this node
self.router.setEntry(r_node)
return str(r_node)
def joinNetwork(self):
#LOOKUP OF THIS NODE:#####################################################
#If the Router gave us a peer, then we can lookup in the network
#First call lookup( ) to get the location where we belong in the network (succ(my_id))
#Lookup of hashed_ID will give us the succ
succ = self.router.lookup(self.node.hash, self.router.getEntry())
#print ("Did lookup! Host: " + succ.host + " at Port: " + str(succ.port) + " Hash: " + succ.hash)
if type(succ) is not str and self.node.hash == succ.hash:
return "Already a member of network"
#INSERT NODE#############################################################
#Insert sets pred, succ after coordination in the network
pred = self.router.insert(self.node.hash, succ)
#print ("Did insert! Host: " + pred.host + " at Port: " + str(pred.port) + " Hash: " + pred.hash)
# We can set pred and succ now, probably could add error checks (for null) and a loop to retry
self.router.setPred(pred)
# they should also be set at the same time so they are consistent in the network
self.router.setSucc(succ)
# the successor should default to succ as well
self.router.setEntry(succ)
return "Joined at: {}".format(str(succ))
def getFullNetStatus(self):
return ("######### Node " + str(self.router.port) +
" Routing Information########|\n" + "SELF:" + self.node.hash +
"|" + self.node.host + "|" + str(self.node.port) + "|\n"
"PRED:" + self.router.getPred().hash + "|" +
self.router.getPred().host + "|" +
str(self.router.getPred().port) + "|\n"
"SUCC:" + self.router.getSucc().hash + "|" +
self.router.getSucc().host + "|" +
str(self.router.getSucc().port) + "|\n")
def getCSVNetStatus(self):
return (str(self.router.port) + "," + self.node.hash + "," +
self.node.host + "," + str(self.node.port) + #this node info
"," + self.router.getPred().hash + "," +
self.router.getPred().host + "," +
str(self.router.getPred().port) + #pred node
"," + self.router.getSucc().hash + "," +
self.router.getSucc().host + "," +
str(self.router.getSucc().port)) #succ node