Re: Making QEMU easier for management tools and applications

[Paolo Bonzini]

On 31/01/20 07:50, Markus Armbruster wrote:
>>> Consider chardev-add.  Example:
>>>
>>>     {"execute": "chardev-add",
>>>      "arguments": {"id": "bar",
>>>                    "backend": {"type": "file",
>>>                                "data": {"out": "/tmp/bar.log"}}}}
>>>
>>> The arguments as dotted keys:
>>>
>>>     id=bar,backend.type=file,backend.data.out=/tmp/bar.log
>>>
>>> Observe there's quite some of nesting.  While that's somewhat cumbersome
>>> in JSON, it's a lot worse with dotted keys, because there nesting means
>>> repeated key prefixes.  I could give much worse examples, actually.
>> This is true, but even without the repeated keys (e.g. in a syntax that
>> would use brackets), it would still be unnecessarily verbose and
>> probably hard to remember:
>>
>>     id=bar,backend={type=file,data={out=/tmp/bar.log}}
> No argument.  It's unnecessarily verbose in JSON, too.
> 

I think we should be able to switch chardevs to -object/object_add these
days.  Not right now, but it may be possible.  Introducing a warning
when chardev and object ids conflict would be a start.

Paolo