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Re: [libvirt] [PATCH v2 0/5] Guest filesystem information API



On 11/20/14, 18:54 , "John Ferlan" <jferlan redhat com> wrote:

>On 11/20/2014 01:19 PM, Eric Blake wrote:
>> On 11/20/2014 11:11 AM, John Ferlan wrote:
>> 
>>>> However, for some reason I see this build error after 2/5:
>>>>
>>>> make[3]: Entering directory
>>>> '/home/zippy/work/libvirt/libvirt.git/tools/wireshark/src'
>>>>    CC       libvirt_la-packet-libvirt.lo
>>>> In file included from libvirt/protocol.h:5:0,
>>>>                   from packet-libvirt.h:112,
>>>>                   from packet-libvirt.c:36:
>>>> ./libvirt/remote.h: In function
>>>>'dissect_xdr_remote_typed_param_value':
>>>> ./libvirt/remote.h:470:5: error: unknown type name
>>>>'remote_nonnull_string'
>>>>       remote_nonnull_string type = 0;
>>>>       ^
>> 
>>> Strange - I don't see this.  My ./tools/wireshark/src/libvirt/remote.h
>>> doesn't even have that line. Stranger still, my config.log (after make
>>> clean; ./autogen.sh --system; make j4) has:
>>>
>>> configure:69348: checking for wireshark
>>> configure:69381: result: no
>>>
>>>
>>> Could it be environmental? Could it be some config option? Perhaps
>>> something installed?  I have for wireshark on my f20 system:
>>>
>>> wireshark.x86_64               1.10.10-1.fc20     @updates
>> 
>> You need wireshark-devel before configure will build wireshark
>> interactions into libvirt.
>> 
>> 
>
>So, yes installing wireshark-devel results in a failure for me to.
>
>So, I stopped after 1/5 and modified the "location" of the definitions
>in remote_protocol.x for remote_domain_fsinfo {}.
>
>If move just:
>
>struct remote_domain_fsinfo {
>    remote_nonnull_string mountpoint;
>    remote_nonnull_string name;
>    remote_nonnull_string type;
>    remote_nonnull_string dev_aliases<REMOTE_DOMAIN_FSINFO_DISKS_MAX>;
>/* (const char **) */
>};
>
>to anywhere (I tested) before:
>
>struct remote_network_dhcp_lease {
>    remote_nonnull_string iface;
>    hyper expirytime;
>    int type;
>    remote_string mac;
>    remote_string iaid;
>    remote_nonnull_string ipaddr;
>    unsigned int prefix;
>    remote_string hostname;
>    remote_string clientid;
>};
>
>Then the build succeeds; however, afterwards it fails. I even tried
>changing "dev_aliases" to "devAliases" to see if that would help - it
>didn't.
>
>If I move those dhcp defs to after the get_fsinfo defs, things work fine
>again.  Perhaps there's something in tools/wireshark/util/genxdrstub.pl
>or something in that dhcp_lease def.
>
>I'm not quite sure what the issue is.
>
>John

I could reproduce this issue, and it looks like I can avoid the issue
by renaming the ¹type¹ field to Œfstype¹.
Now investigating why this happens...

Thanks,
Tomoki




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