def refreshUser(self, publicKey, callback=None):
pubKeyData = publicKey.toDER_PublicKey()
entry = self.d.get(pubKeyData)
if entry is None:
entry = _Entry(publicKey)
self.d[pubKeyData] = entry
assert entry.state != ES_NOTIFYING
if entry.state == ES_DEFAULT:
assert entry.lookupOp is None
assert entry.notifyOps is None
def onLookupUser(location):
self._onLookupUser(entry, location)
entry.lookupOp = lookupUser(
publicKey, self.dhtClient, self.nodeTable,
lambda loc: self._onLookupUser(entry, loc))
entry.state = ES_LOOKINGUP
entry.notifyOps = set()
def doCancel():
entry.notifyOps.remove(op)
op = AsyncOp(callback, doCancel)
entry.notifyOps.add(op)
return op
def getLocation( publicKey ) :
reactor = SelectReactor()
udpSock = socket.socket( socket.AF_INET, socket.SOCK_DGRAM )
udpSock.bind( ('',0) )
rpcSocket = RPCSocket( udpSock, reactor )
dhtClient = DHTClient( rpcSocket )
nodeAddr = ('210.210.1.102',10001)
nodeTable = NodeTable( [nodeAddr] )
locList = []
def onLookup( location ) :
locList.append( location )
reactor.stop()
lookupUser( publicKey, dhtClient, nodeTable, onLookup )
reactor.run()
rpcSocket.close()
return locList[0]
def refreshUser( self, publicKey, callback=None ) :
pubKeyData = publicKey.toDER_PublicKey()
entry = self.d.get( pubKeyData )
if entry is None :
entry = _Entry( publicKey )
self.d[pubKeyData] = entry
assert entry.state != ES_NOTIFYING
if entry.state == ES_DEFAULT :
assert entry.lookupOp is None
assert entry.notifyOps is None
def onLookupUser( location ) :
self._onLookupUser( entry, location )
entry.lookupOp = lookupUser( publicKey, self.dhtClient,
self.nodeTable,
lambda loc : self._onLookupUser(entry,loc) )
entry.state = ES_LOOKINGUP
entry.notifyOps = set()
def doCancel() :
entry.notifyOps.remove( op )
op = AsyncOp( callback, doCancel )
entry.notifyOps.add( op )
return op