[Libvir] RFC: get/set properties

I'd like to get some comments on the following... We would like to use libvirt to store some properties related to a domain. This can be done by adding a simple get/set API as follows: /* * Domain property get/set interfaces * * For GetProp, the return value must be freed by the caller. */ char * virDomainGetProp (virDomainPtr domain, const char *propName); int virDomainSetProp (virDomainPtr domain, const char *propName, const char *value); Sample command-line usage: virsh # setprop solaris-pv-0 foo bar virsh # setprop solaris-pv-0 blah 3 virsh # getprop solaris-pv-0 foo foo: bar The XML would look something like this: virsh # dumpxml solaris-pv-0 <domain type='xen' id='-1'> [ snip ] <properties> <blah value="3"/> <foo value="bar"/> </properties> </domain> Looking at the Xen code, I'll need to do a bit of work on that API before I can implement this. I don't know how well this will fit into the other hypervisors that Libvirt supports, so I'll leave those implementations up to someone else :) Any thoughts? -Ryan