Re: [libvirt-php] libvirt_list_active_domains returns garbage querying a Hyper-V host

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On 07.09.2016 15:58, Matthias Bolte wrote:
> 2016-09-07 14:20 GMT+02:00 Fernando Casas Schössow <casasfernando@xxxxxxxxxxx>:
>> Hi all,
>>
>> I'm using libvirt-php to manage a Hyper-V 2012 R2 host.
>> When trying to retrieve the active VMs using the function
>> libvirt_list_active_domains() I get an array with the correct amount of
>> items but with garbage instead of the domain names:
>>
>> Array ( [0] => P’*µ [1] => +µ [2] => `„*µ [3] => °Ø*µ [4] => Є*µ [5] =>
>> `†*µ [6] => [7] => `†*µ [8] => [9] => p +µ [10] => p"+µ [11] => P#+µ [12] =>
>> ß*µ )
>>
>> On the other hand libvirt_list_inactive_domains() and libvirt_list_domains()
>> work as expected returning the right amount of items and the domain names
>> correctly:
>>
>> libvirt_list_inactive_domains() output:
>>
>> Array ( [0] => DCHOMELAB01 [1] => VMFCSW7 [2] => REMOTEAPP01 [3] => MPSSD01
>> [4] => CS16SVR )

Hey thank you for the bug report. It's important to me to fix whatever
bugs you find, because libvirt-php hasn't been given enough attention
lately.

> 
> The problem is here
> 
> http://libvirt.org/git/?p=libvirt-php.git;a=blob;f=src/libvirt-php.c;h=2045c59644075c00a22695d7b8534ff593120f14;hb=HEAD#l9131
> 
> libvirt_list_active_domains gets the domain name using
> virDomainGetName, then frees the domain object using virDomainFree
> (this also frees the domain name) and afterwards tries to use the
> already freed domain name.
> 
> libvirt_list_active_domains needs to add the domian name to the result
> list and then free the domain. For example, libvirt_list_domains does
> it in the correct order.
> 

And thanks to Matthias for the analysis. You're right. I've just pushed
the patch for it. @Fernando you can try it out.

http://libvirt.org/git/?p=libvirt-php.git;a=commitdiff;h=a0039f72a1c480e500363645ce6b93a0925a0c1f

Michal

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