1 ## Copyright 2002-2004 Andrew Loewenstern, All Rights Reserved
2 # see LICENSE.txt for license information
5 from twisted.internet.defer import Deferred
6 from const import reactor, NULL_ID
10 def checkSender(self, dict):
12 senderid = dict['rsp']['id']
14 print ">>>> No peer id in response"
15 raise Exception, "No peer id in response."
17 if self.id != NULL_ID and senderid != self.id:
18 print "Got response from different node than expected."
19 self.table.invalidateNode(self)
23 def errBack(self, err):
28 df = self.conn.sendRequest('ping', {"id":id})
29 df.addErrback(self.errBack)
30 df.addCallback(self.checkSender)
32 def findNode(self, target, id):
33 df = self.conn.sendRequest('find_node', {"target" : target, "id": id})
34 df.addErrback(self.errBack)
35 df.addCallback(self.checkSender)
38 class KNodeRead(KNodeBase):
39 def findValue(self, key, id):
40 df = self.conn.sendRequest('find_value', {"key" : key, "id" : id})
41 df.addErrback(self.errBack)
42 df.addCallback(self.checkSender)
45 class KNodeWrite(KNodeRead):
46 def storeValue(self, key, value, id):
47 df = self.conn.sendRequest('store_value', {"key" : key, "value" : value, "id": id})
48 df.addErrback(self.errBack)
49 df.addCallback(self.checkSender)
51 def storeValues(self, key, value, id):
52 df = self.conn.sendRequest('store_values', {"key" : key, "values" : value, "id": id})
53 df.addErrback(self.errBack)
54 df.addCallback(self.checkSender)