Re: Help with request batching issue.

On 06/13/2009 02:15 AM, Nick Joyce wrote:

Sorry I missed you on IRC ..

I'm going to assume that the result of get_all is an array with more than zero elements?

Yes. It returns an array of identifiers (uuids) used in the other calls to identify instances.  In the case below its likely an array with a single element coming back.  This call does succeed.

I'm not much of a Flex dev but I would like to confirm that PyAMF is doing the right thing here. Could you attach the http session? Request batching has been tested but all the kinks probably haven't been ironed out.

Sorry to be such a NOOB but how do you enable PyAMF to dump the HTTP session? That'd be mighty handy :-)

Is there a way to force the channel to be sychronous, or send a single response per message just so I can see if that changes behaviour?  Like I said, I can see it doing the underlying calls in my objects for each request so they arrive at the server correctly but the response callback in the Flex client never get activated.

Thanks for the quick turnaround!

Mike

Cheers,

Nick

On 12 Jun 2009, at 22:39, Mike Dickson wrote:

I'm having a problem with some flex code I'm hoping I can get some help with. It's related to batching of requests and responses.  mdickson: I set up the connection programmatically (channels, channelsets, etc) like so:

            // Create the AMF Channel and ChannelSet and add our channel to it.
            var channel:AMFChannel = new AMFChannel( "pyamf-channel", "http://"+hostname+":"+port);
            var channels:ChannelSet = new ChannelSet();
            channels.addChannel( channel );

            // Create a new remote object and add listener(s)
            remoteObj = new RemoteObject("server");
            remoteObj.channelSet = channels;
            remoteObj.addEventListener("fault", onFault);
            remoteObj.get_all.addEventListener("result", getAllResult);
            remoteObj.get_power_state.addEventListener("result", getPowerStateResult);
            remoteObj.get_server_name.addEventListener("result", getServerNameResult);
            remoteObj.get_health.addEventListener("result", getHealthResult);
            remoteObj.get_all();

If I then call 3 remote methods in succession the result handlers in my flash code never get called. But if I purposefully sequence them by calling the new method in the previous result handler they work. That is:

        private function getAllResult(re:ResultEvent) : void
        {
            var ids:Array = re.result as Array;    
            if(ids.length > 0)
            {  
                uuid = ids[0];  
                remoteObj.get_server_name(uuid);
                remoteObj.get_power_state(uuid);
                remoteObj.get_health(uuid);           
            }          
        }

Doesn't fly.  But calling just get_server_name() and then in the getServerNameResult method calling get_power_state() and so on works...

Is there some option or issue with request batching I need to address? I can see the stuff come and go on the python side. I'm using the 3.3 Flex sdk fwiw with FlexBuilder. The python code is just using the WSGI gateway.  Honestly I don't think the issue is in the server.  More likely its sending something back the client doesn't like...  Any help or pointers are greatly appreciated.

BTW, thanks for all the great work that's gone into PyAMF.  It's way cool!

Mike

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