[Kimchi-devel] Q

[Aline Manera]

Hi Ramon,

You can check in code how we cache the capabilities values.
We do exactly what you want to do for the PCI devices.

In ui/js/src/kimchi.host.js you can see the code below:

var setupUI = function() {
         if (kimchi.capabilities == undefined) {
             setTimeout(setupUI, 2000);
return;
          }
          ...
}

Hope it helps you.

Regards,
Aline Manera

On 15/07/2015 09:10, Ramon Medeiros wrote:
> Hi Cristian,
>
> I was trying to do this:
>
> 1) Cache all deviceCompanions in a object, that the key will be the 
> hostPCI
>
> 2) Query this information when the user enter in guest edit, instead 
> of download everytime the user enter on this page
>
>
> So, why i am asking about setTimeout?
>
> I tried to do the operations above and hit an error: The guest_edit 
> page was unable to get the deviceCompanions because they were not 
> downloaded, so, i would like to put an timeout (or other function) to 
> make the function waits for this download, and then, continue to load 
> kimchi.
>
> On 07/14/2015 11:44 PM, Crístian Viana wrote:
>> But I still don't understand how the function setTimeout can help you 
>> with that. Adding a timeout probably won't solve your problem, it 
>> won't cache anything, it will just delay the page unresponsiveness.
>>
>> On Tue, Jul 14, 2015 at 2:57 PM Ramon Medeiros 
>> <ramonn at linux.vnet.ibm.com <mailto:ramonn at linux.vnet.ibm.com>> wrote:
>>
>>     Hi Cristian, nice to see you here :)
>>
>>     The function getPCIDeviceCompanions tooks almost two second for
>>     each interation. As this function being called each time that the
>>     Edit button is accessed, i want to cache the values on
>>     kimchi.main() to save time.
>>
>>     On systems that has too much pci devices, a popup from the
>>     browser asks for quit the page by unresponsible script.
>>
>>
>>     On 07/14/2015 09:14 AM, Crístian Viana wrote:
>>>     The function "kimchi.getPCIDeviceCompanions" (and most other
>>>     Kimchi JavaScript functions, actually) receives a callback
>>>     function which receives a result parameter. That function should
>>>     be executed when the result is ready. In your case, your
>>>     parameter function doesn't match this requirement (i.e. you're
>>>     passing a function which receives a function which receives a
>>>     parameter). You need to pass parameters exactly as they're
>>>     expected by the main function.
>>>
>>>     Also, why are you using setTimeout at all?
>>>
>>>     On Fri, Jul 10, 2015 at 5:57 PM Ramon Medeiros
>>>     <ramonn at linux.vnet.ibm.com <mailto:ramonn at linux.vnet.ibm.com>>
>>>     wrote:
>>>
>>>         Hi team,
>>>
>>>         i was trying to cache 2 objects, but they came from a HTTP
>>>         request, and
>>>         took some time to download it. I was unable to use the function
>>>         setTimeout while calling this function:
>>>
>>>          kimchi.getPCIDeviceCompanions(kimchi.hostPCIs[i].name,
>>>         setTimeout(function(result) {
>>>          kimchi.deviceCompanions[kimchi.hostPCIs[i].name] = result;
>>>              },5000));
>>>         }
>>>
>>>
>>>         The function kimchi.getPCIDeviceCompanions usually takes 2s
>>>         to finish.
>>>
>>>         --
>>>
>>>         Ramon Nunes Medeiros
>>>         Kimchi Developer
>>>         Linux Technology Center Brazil
>>>         IBM Systems & Technology Group
>>>         Phone : +55 19 2132 7878
>>>         ramonn at br.ibm.com <mailto:ramonn at br.ibm.com>
>>>
>>>         _______________________________________________
>>>         Kimchi-devel mailing list
>>>         Kimchi-devel at ovirt.org <mailto:Kimchi-devel at ovirt.org>
>>>         http://lists.ovirt.org/mailman/listinfo/kimchi-devel
>>>
>>
>>     -- 
>>
>>     Ramon Nunes Medeiros
>>     Kimchi Developer
>>     Linux Technology Center Brazil
>>     IBM Systems & Technology Group
>>     Phone : +55 19 2132 7878
>>     ramonn at br.ibm.com  <mailto:ramonn at br.ibm.com>  
>>
>
> -- 
>
> Ramon Nunes Medeiros
> Kimchi Developer
> Linux Technology Center Brazil
> IBM Systems & Technology Group
> Phone : +55 19 2132 7878
> ramonn at br.ibm.com  
>
>
> _______________________________________________
> Kimchi-devel mailing list
> Kimchi-devel at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/kimchi-devel

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