Re: [Qemu-devel] [PATCH 01/11] QMP: Introduce specification file

[Stefano Stabellini]

On Sun, 28 Jun 2009, Anthony Liguori wrote:
> Instead of inventing binary syntaxes, maybe we could use dictionary 
> syntax to denote a mime encoded value?
> 
> So something like:
> 
> {"Content-Type": "image/ppm", "Content-Transfer-Encoding": "base64", 
> "Content": "AB234SDFSDf=="}
> 
> A special brace format could be used if we wanted to make sure it was 
> independently parsable:
> 
> <"Content-Type": "image/ppm", "Content-Transfer-Encoding": "base64", 
> "Content": "AB234SDFSDf==">
> 
> But I suspect dicts are good enough.
> 

I think it would be a good idea to allow binary as
Content-Transfer-Encoding, since base64 is very inefficient for
transferring large amount of data.
For example we may want to save the state of the guest, including the
whole memory, and transfer it over the network without saving it to file
first.