X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=knode.py;h=d2cea727766f3d9865febb7bdc46043a99307f5c;hb=d1507ff7d3cca77f48dffe460097f6ab3cd5d567;hp=8a38462e46430bdb20ee96c02212c73312475334;hpb=517b039ed7c53375d72da94bc6c4a45fdbaa2d48;p=quix0rs-apt-p2p.git diff --git a/knode.py b/knode.py index 8a38462..d2cea72 100644 --- a/knode.py +++ b/knode.py @@ -1,27 +1,53 @@ +## Copyright 2002-2004 Andrew Loewenstern, All Rights Reserved +# see LICENSE.txt for license information + +from const import NULL_ID from node import Node -from twisted.internet.defer import Deferred -from xmlrpcclient import XMLRPCClientFactory as factory -from const import reactor -from xmlrpclib import Binary -class KNode(Node): - def ping(self, sender): - df = Deferred() - f = factory('ping', (sender,), df.callback, df.errback) - reactor.connectTCP(self.host, self.port, f) - return df - def findNode(self, target, sender): - df = Deferred() - f = factory('find_node', (target, sender), df.callback, df.errback) - reactor.connectTCP(self.host, self.port, f) - return df - def storeValue(self, key, value, sender): - df = Deferred() - f = factory('store_value', (Binary(key), Binary(value), sender), df.callback, df.errback) - reactor.connectTCP(self.host, self.port, f) - return df - def findValue(self, key, sender): - df = Deferred() - f = factory('find_value', (Binary(key), sender), df.callback, df.errback) - reactor.connectTCP(self.host, self.port, f) - return df +class KNodeBase(Node): + def checkSender(self, dict): + try: + senderid = dict['rsp']['id'] + except KeyError: + print ">>>> No peer id in response" + raise Exception, "No peer id in response." + else: + if self.id != NULL_ID and senderid != self.id: + print "Got response from different node than expected." + self.table.invalidateNode(self) + + return dict + + def errBack(self, err): + print ">>> ", err + return err + + def ping(self, id): + df = self.conn.sendRequest('ping', {"id":id}) + df.addErrback(self.errBack) + df.addCallback(self.checkSender) + return df + def findNode(self, target, id): + df = self.conn.sendRequest('find_node', {"target" : target, "id": id}) + df.addErrback(self.errBack) + df.addCallback(self.checkSender) + return df + +class KNodeRead(KNodeBase): + def findValue(self, key, id): + df = self.conn.sendRequest('find_value', {"key" : key, "id" : id}) + df.addErrback(self.errBack) + df.addCallback(self.checkSender) + return df + +class KNodeWrite(KNodeRead): + def storeValue(self, key, value, id): + df = self.conn.sendRequest('store_value', {"key" : key, "value" : value, "id": id}) + df.addErrback(self.errBack) + df.addCallback(self.checkSender) + return df + def storeValues(self, key, value, id): + df = self.conn.sendRequest('store_values', {"key" : key, "values" : value, "id": id}) + df.addErrback(self.errBack) + df.addCallback(self.checkSender) + return df