[Zope] Zope pretends to receive and send XMLRPC data, but strace sees nothing !

[Patrick Gerken]

On 1/18/07, yacine chaouche <yacinechaouche at gmail.com> wrote:
>
> Hi,
> I have an ajax application that is composed by :
> 1) An ajax client which is a web page with a button that calls a zope
> object's method, say "toutCompter".
> 2) An ajax server (zope), with a zope object that has the method
> "toutCompter" (all zope object methods are XMLRPC callable right ?).
>
> I use two browsers on two separate machines. I call the methode on the two
> browsers, and compares the zope trace and strace output of the network
> activity. The problem is that zope says he sends data but strace don't, and
> zope says he receives data and again strace don't.
>
> This is the zope/python code that prints to the console :
> <zope/python>
>     def toutCompter(self):
>         """
>     this method is called via XMLRPC.
>         """
>         IPAdresse  = self.REQUEST["REMOTE_ADDR"]
>         print "ip:",IPAdresse,"requests counting of lines",self.getForm
> ('min'),"to",self.getForm('max')
>     ... #some processing here. creation of XMLData
>         print "sending results to "+IPAdresse
>     return XMLData
> </zope/python>
>
>
> Zope says :
>
> <zope traces to the console>
> ip: 10.75.49.155 requests counting of lines 10 to 20
> ip: 10.75.49.51 requests counting of lines 10 to 20
> sending results to 10.75.49.155
> sending results to 10.75.49.51
> ip: 10.75.49.51 requests counting of lines 10 to 20
> sending results to 10.75.49.51
> </zope trace>


instead of strace try tcpdump, much more helpful:
tcpdump -i <INTERFACE> -s 0 -A HOST <HOST> AND PORT <PORT>
should show the reality

Best regards,

            Patrick
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