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<DIV>
<DIV>When developing server-client software, on the client i call the method
getTrafficDate, but on the server end, i got nio is None(d2=d.addCallback(lambda
object: object.callRemote("getNIOTrafficInfo", node, nio)))</DIV>
<DIV>,so, what's the key point?</DIV>
<DIV> </DIV>
<DIV>Thanks all!</DIV>
<DIV>-------------------------------------------------------------------------------------------------------------</DIV>
<DIV>client end</DIV>
<DIV>def getTrafficDate(self):</DIV>
<DIV> if self.interfacenio_dict is not
None and self.k:</DIV>
<DIV> nodelist
= self.interfacenio_dict.keys()</DIV>
<DIV>
trafficDataList=[]#DeferredList</DIV>
<DIV> for node
in nodelist:</DIV>
<DIV>
interfaces=self.interfacenio_dict[node]['interfaceinfo'].keys()</DIV>
<DIV>
if len(interfaces):</DIV>
<DIV>
for interface in interfaces:</DIV>
<DIV>
nio= self.interfacenio_dict[node]['interfaceinfo'][interface]</DIV>
<DIV>
if nio is not None:</DIV>
<DIV>
if 'nio_tap' in nio or 'NIO_NF_tap' in nio:</DIV>
<DIV>
d= globals.perspective.callRemote('getServerRoot')</DIV>
<DIV>
d2=d.addCallback(lambda object: object.callRemote("getNIOTrafficInfo", node,
nio))</DIV>
<DIV>
d2.addCallback(self.setTrafficSpeed_Tap, node, interface)</DIV>
<DIV>
trafficDataList.append(d2)</DIV>
<DIV>
else:</DIV>
<DIV>
d= globals.perspective.callRemote('getServerRoot')</DIV>
<DIV>
d2=d.addCallback(lambda object: object.callRemote("getNIOTrafficInfo", node,
nio))</DIV>
<DIV>
d2.addCallback(self.setTrafficSpeed_NotTap, node, interface)</DIV>
<DIV>
trafficDataList.append(d2)</DIV>
<DIV> </DIV>
<DIV>
trafficDataDeferredList=defer.DeferredList(trafficDataList,
consumeErrors=True)</DIV>
<DIV>
trafficDataDeferredList.addCallback(self.getTrafficDataHandle)</DIV></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>server end</DIV>
<DIV>def remote_getNIOTrafficInfo(self,node,nio):</DIV>
<DIV style="TEXT-INDENT: 2em">print nio</DIV>
<DIV style="TEXT-INDENT: 2em"> if nio.name==nioName:</DIV>
<DIV style="TEXT-INDENT: 2em"> pass</DIV>
<DIV> </DIV>
<DIV>Bug info is:</DIV>
<DIV>
<DIV>File "/home/gddw/Documents/gddw-server-branche/src/Server.py", line 154, in
remote_getNIOTrafficInfo</DIV>
<DIV> if nio.name==nioName:</DIV>
<DIV>exceptions.AttributeError: 'NoneType' object has no attribute
'name'</DIV></DIV><SPAN></DIV></SPAN></BODY></HTML>