Re: non-standard types in remote XDR definitions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Jan 25, 2017 at 10:59 AM, Daniel P. Berrange
<berrange@xxxxxxxxxx> wrote:
> On Wed, Jan 25, 2017 at 10:55:37AM -0500, Matt Broadstone wrote:
>> Hello,
>>
>> I have been experimenting with the remote protocol defined in the
>> `src/remote/remote_protocol.x`
>> (https://libvirt.org/git/?p=libvirt.git;a=blob_plain;f=src/remote/remote_protocol.x;hb=HEAD),
>> and noticed that there a number of types used that are not defined in
>> the XDR RFC, specifically: unsigned char, char, unsigned short, short
>> (I might have missed one or two).  I'm wondering if these are missing
>> typedefs, or whether they are custom extensions to the RFC.  Does
>> anyone have more information on this? If the latter case is the fact,
>> are these values padded to 4 bytes per the spec?
>
> The libvirt RPC protocol is an internal impl detail, not for 3rd party
> use. So our only goal is to be compatible with rpcgen binaries that are
> used during builds on supported platforms. As such what's in the RFC
> is not particularly relevant.
>

It does appear that these types are indeed supported by rpcgen (though
in the cases where char's are used, your definitions would benefit
from a conversion to `opaque`, as to not incur the padding overhead).
Thank you for the clarification.

Matt

> Regards,
> Daniel
> --
> |: http://berrange.com      -o-    http://www.flickr.com/photos/dberrange/ :|
> |: http://libvirt.org              -o-             http://virt-manager.org :|
> |: http://entangle-photo.org       -o-    http://search.cpan.org/~danberr/ :|

--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list



[Index of Archives]     [Virt Tools]     [Libvirt Users]     [Lib OS Info]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [KDE Users]     [Fedora Tools]
  Powered by Linux